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CN-122014002-A - Large-span hybrid grid installation positioning device and method

CN122014002ACN 122014002 ACN122014002 ACN 122014002ACN-122014002-A

Abstract

The application relates to the technical field of installation and positioning of a mixed net rack, in particular to a large-span mixed net rack installation and positioning device and method, wherein the device comprises a bottom frame, an alignment and positioning mechanism is arranged on the bottom frame and comprises two alignment frames symmetrically arranged along the width direction of the bottom frame, and guide frames are symmetrically arranged along the length direction of the alignment frames; the alignment frame and the guide frame are matched by virtue of multi-degree-of-freedom adjustment, accurate guide and positioning are provided for the inserted rod and the connecting rod, the inserted rod and the connecting rod can be guided to be smoothly clamped into the coaxial alignment groove to finish butt joint, meanwhile, the posture and the position of the large-span rod frame can be actively corrected, the problems of butt joint dislocation and poor lamination caused by deformation and stress deviation are effectively avoided, the butt joint failure is radically avoided, and the accuracy and the stability of the butt joint of the rod frame are ensured.

Inventors

  • ZHANG SUXIAN
  • ZHUANG HONGWEI
  • WANG XIAOHONG
  • ZHANG MINGYIN

Assignees

  • 山东宝冶建设有限公司

Dates

Publication Date
20260512
Application Date
20260330

Claims (10)

  1. 1. The large-span mixed net rack mounting and positioning device is characterized by comprising a bottom frame (1), wherein an alignment and positioning mechanism (2) is mounted on the bottom frame (1), the alignment and positioning mechanism (2) comprises two alignment frames (3) symmetrically arranged along the width direction of the bottom frame (1), guide frames (4) are symmetrically mounted on the alignment frames (3) along the length direction of the alignment frames, circular alignment grooves (31) are formed in the tops of the alignment frames (3), the alignment grooves (31) of the adaptation inserting rods (101) and the alignment grooves (31) of the connecting rods (102) are coaxial on the same alignment frame (3), and the diameters of the alignment grooves (31) of the adaptation inserting rods (101) are smaller than those of the alignment grooves (31) of the adaptation connecting rods (102); The guide frame (4) is of a semicircular platform-shaped hollow structure, the diameter of the guide frame is gradually reduced towards the direction of the alignment frame (3) and is used for guiding and correcting the posture of the rod frame (100) for the inserted rod (101) and the connecting rod (102), the side edge of the bottom frame (1) is provided with a bidirectional electric push rod (11), the telescopic end of the bidirectional electric push rod (11) is provided with a movable frame (12) with a clamping groove, and the clamping groove is used for clamping the rod frame (100) and driving the rod frame to move in opposite directions.
  2. 2. The large-span hybrid grid installation positioning device according to claim 1, wherein the alignment positioning mechanism (2) further comprises a driving assembly (21), the driving assembly (21) comprises a bidirectional driving cylinder (22) installed on the bottom frame (1), moving blocks (23) which are in one-to-one correspondence with the alignment frames (3) are symmetrically arranged on the bottom frame (1) in a sliding mode along the width direction, the moving blocks (23) are connected with telescopic ends of the bidirectional driving cylinder (22), an elastic telescopic rod (24) is installed on the moving blocks (23), and the alignment frames (3) are installed on the elastic telescopic rod (24).
  3. 3. The large-span mixed grid installing and positioning device according to claim 2, wherein the 匚 type frame (13) with a downward opening is arranged on the bottom frame (1), the bidirectional driving air cylinder (22) is arranged between two vertical sections of the 匚 type frame (13) in a penetrating mode, the lifting air cylinder (14) is arranged at the top of the horizontal section of the 匚 type frame (13), the lifting plate (15) is arranged at the telescopic end of the lifting air cylinder (14), the telescopic plates (16) are arranged at the two ends of the lifting plate (15), and one end, far away from the lifting plate (15), of the telescopic plates (16) is connected with the telescopic end of the elastic telescopic rod (24).
  4. 4. A large-span hybrid grid installation positioning device as set forth in claim 3, wherein the expansion plate (16) is used for performing a yielding action when the alignment frame (3) moves horizontally, so as to avoid the horizontal collision between the alignment frame (3) and the lifting plate (15).
  5. 5. The large-span hybrid grid installation positioning device of claim 1, wherein the alignment frame (3) is of a semi-cylindrical structure, and the alignment groove (31) extends along the length direction of the bottom frame (1) and is used for enabling the inserting rod (101) and the connecting rod (102) to slide in the alignment groove (31) and complete butt joint.
  6. 6. The large-span hybrid grid installing and positioning device according to claim 1, wherein an electric push rod (17) is installed on the bottom frame (1), a lower pressing plate (18) is installed at the telescopic end of the electric push rod (17), and the lower pressing plate (18) is used for applying downward acting force to the bar frame (100) and limiting the displacement of the bar frame (100) in the vertical direction.
  7. 7. The large-span hybrid grid installation positioning device of claim 1, wherein limiting rods (19) are symmetrically arranged on the upper end face of the bottom rack (1) along the width direction, and the limiting rods (19) are used for rigidly limiting and supporting the butted rack (100) to offset deformation acting force of the rack (100).
  8. 8. The large-span hybrid grid installation positioning device of claim 2, wherein the bidirectional driving cylinder (22) is installed on the bottom frame (1) through a cylinder seat and is used for driving the moving block (23) to horizontally move so as to realize the horizontal distance adjustment of the alignment frame (3).
  9. 9. The large-span hybrid grid installing and positioning device according to claim 1, wherein the guide frame (4) is fixedly connected with the alignment frame (3), and the inner diameter of the hollow structure of the guide frame (4) is matched with the outer diameters of the inserted rod (101) and the connecting rod (102) at corresponding positions, so that the inserted rod (101) and the connecting rod (102) can be guided to slide into the alignment groove (31) accurately.
  10. 10. A method for installing and positioning the large-span hybrid grid installation and positioning device according to any one of claims 1 to 9, which is characterized in that: 1. Two rod frames (100) to be butted are clamped in clamping grooves of the movable frame (12), a bidirectional driving cylinder (22) is started to drive the alignment frame (3) to adjust the horizontal distance, and the distribution distance between the inserted rod (101) and the connecting rod (102) is adapted; 2. Starting a lifting cylinder (14) to drive the alignment frame (3) to vertically lift, so as to finish the multi-degree-of-freedom accurate positioning of the alignment frame (3); 3. Starting a bidirectional electric push rod (11) to drive a rod frame (100) to move in opposite directions, guiding a plug rod (101) and a connecting rod (102) to slide into an alignment groove (31) by a guide frame (4), and driving a lower pressing plate (18) to limit the rod frame (100) by an electric push rod (17); 4. The rod frame (100) continuously moves to finish butt welding of the inserted rod (101) and the connecting rod (102), and the formed rod frame (100) is transferred to the position between the limiting rods (19) for rigid limiting and deformation prevention.

Description

Large-span hybrid grid installation positioning device and method Technical Field The application relates to the technical field of installation and positioning of a hybrid grid, in particular to a device and a method for installing and positioning a large-span hybrid grid. Background The hybrid grid is a unique form of building structure that combines the advantages of steel grid and concrete structures to provide greater strength and stability to the building, which is commonly used in large public buildings, stadiums and large span buildings. The utility model provides a mounting and positioning technique of hybrid grid, mainly refers to how accurate and high-efficient confirm the exact position and the direction of part in the installation, for example patent application with bulletin number CN218117284U discloses a steel construction grid installation auxiliary positioning device, belongs to steel construction engineering technical field, including rack base and positioning mechanism, is equipped with the locating plate on the rack base, and arc wall and constant head tank are opened at the locating plate top. Through rack base, locating plate, arc wall, constant head tank, rack bolt ball, reference column, holding ring, fixing bolt, first ring, second ring and haulage rope cooperation, can reduce installer intensity of labour to member assistance-localization real-time and support, realize that the member is installed steadily fast, promote rack installation accuracy and efficiency, the practicality is strong, convenient to popularize and use. The rod can be installed to obtain the rod frame by using the prior art, and the assembled rod frame is further assembled to obtain the net frame, wherein in the process of assembling to obtain the net frame, the mode of prefabricating and assembling and then transporting to a construction site or assembling on the construction site can be adopted. The large-span rack is usually assembled by aligning the large-span rack by adopting the prefabrication assembly process and integrally welded and formed, but in the actual construction and assembly process, the large-span rack still has the following problems that the large-span rack is large in span and relatively limited in rigidity, and is extremely easy to generate structural deformation such as bending, sagging and the like due to dead weight or external force in the processes of hoisting, transferring and aligning and assembling. The prior conventional assembly mode does not take corresponding control and correction measures for the deformation, so that the rod frame is difficult to ensure accurate alignment when assembled and butted, the problems of assembly deviation, uneven butting gap and the like are very easy to occur, the integral forming precision and the structural quality of the large-span net frame are seriously influenced, meanwhile, the rod frame alignment difficulty and the alignment repeated adjustment are caused by the deformation, the rod frame assembly alignment efficiency is greatly reduced, and the integral construction progress is influenced. Disclosure of Invention In order to solve the technical problems, the application provides a device and a method for installing and positioning a large-span hybrid grid, which adopt the following technical scheme: A first part: the utility model provides a large-span hybrid grid installs positioner, includes the bottom frame, installs alignment positioning mechanism in the bottom frame, alignment positioning mechanism contains two alignment frames that set up along bottom frame width direction symmetry, and alignment frame installs the guide frame along self length direction symmetry, and circular alignment groove has been seted up at alignment frame top, and the alignment groove coaxial line of adaptation inserted bar and extension bar on the same alignment frame, and the alignment groove diameter of adaptation inserted bar is less than the alignment groove diameter of adaptation extension bar. The guide frame is a semicircular platform-shaped hollow structure, and the diameter of the guide frame is gradually reduced towards the direction of the alignment frame, the guide frame is used for guiding the inserted bars and the connecting bars and correcting the posture of the bar frame, the side edge of the bottom frame is provided with a bidirectional electric push rod, the telescopic end of the bidirectional electric push rod is provided with a movable frame with a clamping groove, and the clamping groove is used for clamping the bar frame and driving the bar frame to move in opposite directions. Preferably, the alignment positioning mechanism further comprises a driving assembly, the driving assembly comprises a bidirectional driving air cylinder arranged on the bottom frame, moving blocks corresponding to the alignment frames one by one are symmetrically arranged on the bottom frame in a sliding mode along the width direction, the moving blocks are co