CN-115654217-B - Assembled construction method based on electromechanical comprehensive pipelines in exhibition hall trench

CN115654217BCN 115654217 BCN115654217 BCN 115654217BCN-115654217-B

Abstract

The invention relates to an electromechanical comprehensive pipeline assembly construction method based on an exhibition hall trench, which comprises the steps of electromechanical comprehensive pipeline module division, main pipe trench bracket design, branch pipe trench bracket design, factory prefabrication, factory or trench side assembly, sectional hoisting and sectional installation, positioning adjustment bracket fixing, opposite connection between opposite sections, and hydrant box and comprehensive box installation. The method is beneficial to the rapid and reasonable construction of the electromechanical comprehensive pipeline in the exhibition hall trench, the designed trench bracket achieves the aim of prefabrication and on-site assembly construction in a factory, and the technical problem that the construction of the electromechanical comprehensive pipeline in the exhibition hall trench is relatively difficult due to the narrow space in the exhibition hall trench is solved. In addition, the fire hydrant box in the method of the invention has brand new structural design according to the principle of convenient use, and the fire hydrant box can be directly pulled up when in use, and has simple operation and convenient use. Practice proves that the method is safe and reliable, convenient to construct and good in appearance, and the expected indexes and targets are realized.

Inventors

ZHANG YANPING
LI QIANG
DUAN ZHIYONG
LI LIJUAN
Feng Xiangqing
WANG TAO

Assignees

山西五建集团有限公司

Dates

Publication Date: 20260508
Application Date: 20221206

Claims (10)

1. The assembled construction method of the electromechanical comprehensive pipeline in the exhibition hall trench is characterized by comprising the following steps of: 1) Electromechanical integrated pipeline module division The exhibition hall is internally provided with a main pipe ditch and a branch pipe ditch, pipe ditch cover plates are arranged on the main pipe ditch and the branch pipe ditch, each pipe ditch cover plate comprises a fixed cover plate and a movable overhaul cover plate, a section of the movable overhaul cover plate section is defined as an opposite opening section, the opposite opening section is smaller than 3m, a hoisting module is arranged between the opposite opening sections, and each hoisting module comprises a bracket arranged on two sides of the opposite opening section; 2) Design of main pipe ditch bracket The side edge of the bottom surface of the main pipe ditch is provided with a drainage ditch, and the main pipe ditch supports are arranged at intervals along the length direction of the main pipe ditch on the bottom surface of the ditch except the drainage ditch; The main pipe ditch support is a detachable assembly of bolt connection assembly, and comprises two main vertical rods, wherein a plurality of side wall anchoring steel plates are fixed on one main vertical rod at intervals, and anchoring bolts are penetrated on the side wall anchoring steel plates; the bottom ends of the two main upright rods are respectively fixed with a trench bottom anchoring steel plate, and the trench bottom anchoring steel plates are penetrated with anchoring bolts; five layers of main cross arms are arranged between the two main upright rods from bottom to top, the two main upright rods are detachably connected with each layer of main cross arms through connecting bolts, and bolt holes on the main upright rods and the main cross arms are long bolt holes arranged along the respective length directions of the main upright rods and the main cross arms; When the main pipe ditch bracket is installed, one main upright rod is tightly attached to a wall body on one side and is fixed with the wall body through a side wall anchoring steel plate and an anchoring bolt on the main upright rod, the other main upright rod is arranged along the side of the drainage ditch and is provided with a gap with the other side wall, the bottom ends of the two main upright rods are fixed with the bottom surface of the ditch through a ditch bottom anchoring steel plate and an anchoring bolt on the main upright rod, the distance between the bottommost main cross arm and the bottom surface of the ditch is not less than 100mm, the distance between the lower line of each main cross arm and a forming surface after heat preservation of a pipeline is not less than 50mm, DN150 fire pipes are supported and arranged on the bottommost main cross arm from bottom to top, DN80 compressed air pipes are supported and arranged on one side of the drainage ditch, DN80 water supply pipes are supported and arranged on one side of the second main cross arm, and weak current bridges are supported and arranged on the fourth main cross arm; 3) Design of branch pipe ditch support The branch pipe ditch is narrower than the main pipe ditch, no drainage ditch is arranged, a drainage pipe is arranged, and branch pipe ditch brackets are arranged on the bottom surface of the ditch at intervals along the length direction of the branch pipe ditch; The branch pipe ditch support is a detachable assembly of bolt connection assembly, and comprises two upright posts, a plurality of side wall anchoring steel plates are fixed on the two upright posts at intervals, and anchoring bolts are arranged on the side wall anchoring steel plates in a penetrating manner; five layers of cross arms are arranged between the two support upright rods from bottom to top, the two support upright rods and each layer of cross arms are detachably connected through connecting bolts, bolt holes on the support upright rods and the support cross arms are long bolt holes arranged along the respective length directions, round holes for fixing a pipeline clamp ring are formed in each layer of the support cross arms, and the end parts of the pipeline clamp ring are connected and fixed with the round holes on the support cross arms through bolts; When the support of the branch pipe trench is installed, two upright posts are respectively and tightly attached to two side walls and are fixed with the walls through side wall anchoring steel plates and anchoring bolts on the upright posts, the bottom ends of the two upright posts are respectively fixed with the bottom surface of the trench through trench bottom anchoring steel plates and anchoring bolts on the upright posts, the distance between the bottommost layer of the two upright posts and the bottom surface of the trench is not less than 100mm, the distance between the lower line of each layer of the cross arms and the forming surface of the pipeline after heat preservation is not less than 50mm, DN65 fire pipes are arranged on one side support of the bottommost layer of the cross arms from bottom to top, DN25 compressed air pipes are arranged on one side support of the cross arms, DN25 compressed air pipes are arranged on one side wall corresponding to the DN65 fire pipes, the distance between the DN25 compressed air pipes and the corresponding side wall is not less than 250mm, DN32 water pipes are arranged on one side support of the second layer of the cross arms, de110 drain pipes are arranged on the other side support, the DN32 water pipes are arranged on the corresponding side wall corresponding to the cross arms, the DN 110 drain pipes are arranged on one side corresponding to the side wall corresponding to the DN32 water pipes, the DN 110 are not less than 250mm, DN65 fire pipes are arranged on the side wall corresponding to the cross arms, and the cross arms are arranged on the fourth layer of the cross arms through clamping rings, and the main cross arm support and the main cross arm is fixed with the cross arm pipeline; 4) Factory prefabrication Prefabricating each component part of the designed main pipe ditch bracket and the branch pipe ditch bracket in a factory, and prefabricating each pipeline in the factory at the same time; 5) Factory or trench side assembly Assembling the prefabricated main pipe ditch bracket and the branch pipe ditch bracket in a factory, stacking and transporting to a construction site, or transporting each component part of the prefabricated main pipe ditch bracket and the branch pipe ditch bracket to the construction site in a form of a part and assembling at the ditch side; 6) Sectional hoisting and sectional installation According to the sectioning condition, one or more than two cranes are selected to lift and hang in place, and after the cranes are in place, the cranes are fixedly installed; 7) Positioning adjustment bracket fixing When the crane falls down quickly to a proper position, the two ends of the hoisting module are combined with the crane to be in position, the crane plays a lifting role, the chain plays a left and right position control role, and the bracket is fixed after positioning and aligning; 8) Butt connection between butt sections The butt joint is carried out between the two brackets, and starts from the lowest layer of pipeline, and is butted from bottom to top in a layered manner; when in layered butt joint, the metal pipeline is welded and the pipeline is welded without releasing the pipeline clamping rings of the brackets at two sides, so that the butt joint is directly carried out; 9) Fire hydrant box and integrated box installation The fire hydrant box adopts a buried fire hydrant box and is connected with a fire fighting pipe in the pipe ditch; The comprehensive box adopts a water and electricity comprehensive box and is connected with a compressed air pipe and a water pipe in the pipe ditch.
2. The method for constructing the electromechanical comprehensive pipeline assembly based on the exhibition hall gutter is characterized in that in a main gutter support and a branch gutter support, the widths of long bolt holes on a main upright post, a main cross arm, a branch upright post and a branch cross arm are two times of the diameters of connecting bolts plus 2mm, and the lengths of the long bolt holes are two times of the diameters of the connecting bolts plus 2 mm.
3. The assembled construction method based on electromechanical comprehensive pipelines in the exhibition hall trench is characterized in that the main upright rod and the support upright rod are made of 5# channel steel, the main cross arm and the support cross arm are made of 50X 4mm angle steel, the trench bottom anchoring steel plate is made of 10mm steel plate, and the side wall anchoring steel plate is made of 8mm steel plate.
4. The construction method based on electromechanical comprehensive pipeline assembly in the exhibition hall trench is characterized in that the hydrant box comprises an outer frame body and an inner box body, the top of the inner box body is of an open design, the inner box body is arranged in the outer frame body and supported on a bottom frame of the outer frame body, a flange rotary joint is arranged between one side frame edge in the outer frame body and a corresponding side box wall of the inner box body, one end interface of the flange rotary joint is connected with a water outlet pipe through an elbow, the other end interface of the flange rotary joint is connected with a fire fighting pipe in the trench through an elbow, one side swivel connected with the water outlet pipe is connected and fixed with a box wall of the inner box body, the other side swivel connected with the fire fighting pipe is connected and fixed with a bottom frame of the outer frame body, and an outlet end of the water outlet pipe extends into the inner box body after penetrating through the box wall of the inner box body.
5. The assembled construction method of the electromechanical comprehensive pipeline in the exhibition hall according to claim 4, wherein the gas springs are respectively arranged between the tank walls of the inner tank body positioned at the two sides of the flange rotary joint and the two side frame edges corresponding to the outer tank body, one ends of the two gas springs are hinged with the two side tank walls of the inner tank body, the hinge points are positioned at the middle positions of the bottoms of the two side tank walls, the other ends of the two gas springs are hinged with the two side frame edges of the outer tank body, and the hinge points are positioned at the positions outside the interfaces at the two ends of the flange rotary joint.
6. The assembled construction method of the electromechanical comprehensive pipeline in the exhibition hall gutter is characterized by further comprising a supporting frame and a load-bearing cover plate, wherein the vertical section of the supporting frame is Z-shaped, the supporting frame is fixed on the top of the outer frame, the load-bearing cover plate is installed in the supporting frame in a supporting mode, and a plate lifting gutter hole is formed in the load-bearing cover plate.
7. The assembled construction method of the electromechanical comprehensive pipeline in the exhibition hall according to claim 6, wherein four side frame walls of the outer frame body are sealed and fixed by adopting thin steel plates.
8. The assembled construction method of the electromechanical comprehensive pipeline in the exhibition hall according to claim 5, wherein the flange rotary joint is fixedly connected with the tank wall of the inner tank body through a connecting angle bracket, the connecting angle bracket comprises two connecting plates which are vertically fixed, one connecting plate is fixedly connected with the flange on the flange rotary joint, and the other connecting plate is fixedly connected with the tank wall of the inner tank body.
9. The assembled construction method of the electromechanical comprehensive pipeline in the exhibition hall according to claim 5, wherein the swivel at the other side of the flange rotary joint is fixedly connected with the bottom frame of the outer frame body through a connecting clamping plate, the connecting clamping plate comprises a fixing plate and a fixing belt, the fixing plate is fixedly connected with the bottom frame of the outer frame body, the fixing belt is wound on the swivel of the flange rotary joint, and two ends of the fixing belt are respectively fixedly connected with the fixing plate.
10. The assembled construction method of the electromechanical comprehensive pipeline in the exhibition hall according to claim 7, wherein the construction method of the installation of the hydrant box comprises the following steps: 1) Design of adjustable positioning device The adjustable positioning device comprises an angle steel leveling horizontal rod, two ends of the angle steel leveling horizontal rod are respectively fixed with adjusting nuts, and each adjusting nut is internally and respectively connected with a T-shaped round steel leveling screw rod which penetrates through the angle steel leveling horizontal rod and is arranged up and down; 2) Leveling of fire hydrant box Two sets of adjustable positioning devices which are arranged in parallel are arranged at the top of the hydrant box, the relative height between the angle steel leveling horizontal rod and the water stabilization floor is adjusted to a specified height by rotating a T-shaped round steel leveling screw rod, and the angle steel leveling horizontal rod in each set of adjustable positioning devices is clamped and fixed with a supporting frame on the hydrant box through a pair of locking pliers; 3) Fixing of fire hydrant box The fire hydrant box is fixedly connected with the water stabilizing layer through a round steel fixing piece after being leveled, the round steel fixing piece is formed by welding and fixing two round steel sections, the two round steel sections are arranged in an L shape, vertical round steel sections are anchored in the water stabilizing layer, and horizontal round steel sections are welded and fixed on the fire hydrant box; 4) The fire hydrant box is fixed through ground concrete pouring, and installation is completed.

Description

Assembled construction method based on electromechanical comprehensive pipelines in exhibition hall trench Technical Field The invention belongs to the technical field of building construction, in particular relates to construction of a trench in an exhibition hall, and particularly relates to an electromechanical comprehensive pipeline assembly type construction method based on the trench in the exhibition hall. Background The exhibition hall type building appears in succession in the whole country, and the exhibition hall trench is used as the information high-speed channel of the exhibition hall, plays an important role in pointing to equipment room and exhibition place, and digital technologies such as ground projection, electronic sand table, interactive show window, interactive touch screen, interactive touch table, interactive page turning, interactive signature photographing, phantom imaging, wall projection, virtual roaming, ring curtain, ball curtain, fog curtain and the like are all not separated from the conduction of the exhibition hall trench. The channels of the pipelines such as electric pipelines, information pipelines, water pipelines, compressed air pipelines and the like used for laying exhibitions in the exhibition ditches comprise main ditches, branch ditches and the like. Because of the need of carrying exhibits in exhibition, the transportation bearing capacity of the ground is improved, the exhibition hall trench is generally narrow in space, the construction of electromechanical comprehensive pipelines in the exhibition hall trench is very difficult, the construction difficulty is high, the construction period is long, and the construction progress of the whole project is seriously influenced. Disclosure of Invention The invention aims to solve the problems in the prior art and provides an electromechanical integrated pipeline assembly type construction method based on a trench in an exhibition hall. The method designs the matched assembled pipe ditch bracket and the fire hydrant box according to the characteristics of the pipe ditch so as to achieve the purposes of factory prefabrication and rapid construction of on-site assembly, and meanwhile, the pipe ditch bracket is reasonably installed according to the characteristics of the pipe ditch during installation, so that the construction of the electromechanical comprehensive pipeline in the exhibition hall is rapidly and reasonably completed, and the fire hydrant box is a fire hydrant box with brand new structural design, which is designed according to the convenient use principle, and is simple and convenient to operate. The invention is realized by the following technical scheme: An electromechanical comprehensive pipeline assembly type construction method based on a trench in an exhibition hall comprises the following steps: 1) Electromechanical integrated pipeline module division Be equipped with main ditch and branch pipe ditch in the exhibition hall, all be provided with the ditch apron on main ditch and the branch pipe ditch, the ditch apron is including fixed apron and activity access cover board to the interior section of activity access cover board is as the section of registering, and the section of registering is less than 3m, is a hoist and mount module between the section of registering, and hoist and mount module is including setting up each support in the section of registering both sides. 2) Design of main pipe ditch bracket The side of the bottom surface of the main pipe ditch is provided with a drainage ditch, and the main pipe ditch supports are installed at intervals along the length direction of the main pipe ditch on the bottom surface of the ditch except the drainage ditch. The main pipe ditch support is a detachable assembly of bolt connection assembly, the main pipe ditch support comprises two main vertical rods, a plurality of side wall anchoring steel plates are fixed on one main vertical rod at intervals, anchoring bolts penetrate through the side wall anchoring steel plates, trench bottom anchoring steel plates are fixed at the bottom ends of the two main vertical rods, anchoring bolts penetrate through the trench bottom anchoring steel plates, five layers of main cross arms are arranged between the two main vertical rods from bottom to top, the two main vertical rods are detachably connected with each layer of main cross arm through connecting bolts, bolt holes on the main vertical rods and the main cross arms are long bolt holes arranged along the length direction of the main vertical rods, round holes for fixing a pipeline clamp ring are formed in each layer of main cross arm, and the end parts of the pipeline clamp ring are fixedly connected with the round holes on the main cross arms through bolts. When the main pipe ditch bracket is installed, one main upright rod is tightly attached to a wall body on one side and is fixed with the wall body through a side wall anchoring steel plate and an ancho