CN-121781627-B - Large arch structure construction lining trolley

CN121781627BCN 121781627 BCN121781627 BCN 121781627BCN-121781627-B

Abstract

The invention relates to the technical field of concrete pouring lining trolleys, and discloses a large arch structure construction lining trolley, wherein arch concrete pouring components which are connected with sliding rails on the left side and the right side of the upper end of a arch base in a sliding way are fixed at the lower ends of the left side and the right side of an arch steel frame respectively, and the hydraulic clamping rail moving components comprise a sliding base, a sliding moving seat which is connected with the front end and the rear end of the bottom of the sliding base by adopting a moving hydraulic cylinder, and clamping rail components which are arranged on the sliding moving seat. According to the invention, the hydraulic clamping rail moving assembly drives the arched concrete pouring assembly to move along the sliding rail, so that the moving distance can be accurately controlled, the clamping rail assembly synchronously clamps and locks three sliding contact surfaces, the trolley is prevented from moving, the accurate butt joint of the pouring positions is realized, the defect that the traditional manual operation and simple auxiliary measures cannot realize accurate walking positioning is overcome, the clamping rail assembly is in linkage clamping design, the clamping is firm and convenient to operate, and the risk of unexpected movement and sliding of the trolley is effectively avoided.

Inventors

JI WEI
WANG ZHANGSHUN
WANG YIBO

Assignees

湖南大学

Dates

Publication Date: 20260508
Application Date: 20260306

Claims (7)

1. The large arch structure construction lining trolley comprises an arch platform base and is characterized in that arch concrete pouring components are slidingly connected on sliding rails on the left side and the right side of the upper end of the arch platform base, and each arch concrete pouring component comprises an arch steel frame, an arch pouring steel template fixed at the bottom in the middle of the arch steel frame and a concrete pouring hopper fixed at the front and back of the top of the arch steel frame; the lower ends of the left side and the right side of the arched steel frame are respectively fixed with a front hydraulic clamping rail moving assembly and a rear hydraulic clamping rail moving assembly, wherein the hydraulic clamping rail moving assemblies comprise a sliding base, a sliding moving seat connected with the front end and the rear end of the bottom of the sliding base by adopting a moving hydraulic cylinder, and a clamping rail assembly arranged on the sliding moving seat; The pulley in the sliding base is located on the sliding rail, the front end and the rear end of the upper part of the sliding base are provided with limiting reinforcing pieces fixed with the lower end of the arched steel frame, the sliding moving base is in sliding connection with the sliding rail, and the limiting connecting pieces arranged symmetrically on the left and right of the upper end of the sliding moving base are in sliding connection with the limiting reinforcing pieces; The clamping rail assembly is used for synchronously clamping rail fixing from three sliding contact surfaces of the sliding contact moving seat and the sliding rail, and when the clamping rail assembly releases the clamping rail fixing of the sliding contact moving seat and the sliding rail, the corresponding moving hydraulic cylinder drives the sliding contact moving seat to move forwards along the sliding rail, so that concrete casting of the reinforcement cage on the arch platform base by the arch concrete casting assembly is realized; The middle part of the lower end of the sliding connection moving seat is provided with a sliding groove in the front-back direction, and the sliding rail is in sliding connection with the sliding groove; the left side and the right side of the sliding connection moving seat are respectively provided with a front side accommodating groove and a rear side accommodating groove, and the inner side of the bottom of each side accommodating groove is communicated with a chute; the middle part of the sliding connection moving seat is provided with a middle accommodating groove, the middle part of the upper end of the sliding connection moving seat is provided with a square pipe, and the square pipe is communicated with the middle accommodating groove; The clamping rail assembly comprises a side clamping piece movably connected in the side accommodating groove by adopting a pin shaft, a clamping hydraulic cylinder connected at the top between the side clamping pieces at the left side and the right side, a middle clamping piece slidingly connected in the square pipe, and a lifting square pipe fitting sleeved on the outer side of the square pipe; the middle clamping piece is meshed with the inner wall of the lifting square pipe fitting through a gear on the square pipe; the sliding connection rod fixed at the inner side of the side clamping piece is in sliding connection with the side edge of the top of the lifting square pipe; The clamping hydraulic cylinder is used for driving the side clamping pieces on the left side and the right side to clamp the two sides of the sliding track after being closed, and meanwhile, the side clamping pieces drive the lifting Fang Guanjian to move downwards along the square pipe through the sliding connecting rod, so that the lifting square pipe drives the middle clamping piece to move downwards along the square pipe through the gear, and the bottom of the middle clamping piece is clamped at the top of the sliding track after moving downwards along the middle accommodating groove.
2. The large arch structure construction lining trolley of claim 1, wherein the arch steel frame comprises a bottom beam fixed at the upper end of the hydraulic clamping rail moving assembly, side steel frames fixed at the upper end of the bottom beam, a top triangular steel frame fixed between the tops of the left and right groups of side steel frames at equal intervals in the front-back direction, and a curved support arranged between the left and right groups of bottom beams at equal intervals in the front-back direction; The top of the curved support is fixed at the bottom of the corresponding top triangular steel frame; The inner side of the top of the side steel frame is provided with inclined supports which are arranged at equal intervals in the front-back direction, and the arched pouring steel template is fixed at the bottom of the inclined supports.
3. The large arch structure construction lining trolley is characterized in that the bottom of the concrete infusion bucket is connected with an arch pouring steel template through a concrete conveying pipe, the arch pouring steel template covers the top of a steel reinforcement cage, an inner arc-shaped supporting plate is further arranged on the inner wall of the bottom of the steel reinforcement cage, the lower ends of the left side and the right side of the inner arc-shaped supporting plate are fixed on an arch base, and reinforced concrete is formed after the steel reinforcement cage is poured with concrete.
4. The large arch construction lining trolley of claim 2, wherein the sliding base is fixed at the bottom of the bottom beam; The front end and the rear end of the bottom of the sliding base are movably connected with the movable hydraulic cylinder by a pin rod, and a first piston rod at the output end of the movable hydraulic cylinder is movably connected with the corresponding sliding base by the pin rod; The limiting reinforcement comprises a left limiting plate and a right limiting plate and a protruding block fixed at the tail ends of the left limiting plate and the right limiting plate, the front end and the rear end of the upper part of the sliding base are fixedly connected with the other ends of the left limiting plate and the right limiting plate, and the top of the protruding block is fixed at the bottom of the bottom beam; The limiting connecting piece comprises a vertical frame and a rectangular frame, wherein the vertical frame is symmetrically fixed at the upper end of the sliding moving seat in a sliding way, the top of the rectangular frame is fixed, and the rectangular frame is sleeved on the corresponding limiting plate.
5. The large arch structure construction lining trolley of claim 1, wherein the side clamping piece comprises a side clamping head, a side rubber clamping block fixed at the inner side bottom of the side clamping head and a connecting plate fixed at the inner side of the top of the side clamping head, and a fixing rod is connected between the front connecting plate and the rear connecting plate; And the clamping hydraulic cylinder and a second piston rod at the output end of the clamping hydraulic cylinder are respectively and movably connected with the corresponding fixed rod.
6. The large arch structure construction lining trolley of claim 1, wherein the middle clamping piece comprises a middle lifting seat, a lifting plate and a top rubber clamping block, wherein the middle lifting seat is connected with the inside of the square pipe in a sliding mode, the lifting plate is fixed after the bottom of the middle lifting seat stretches into the middle accommodating groove, and the top rubber clamping block is fixed at the lower end of the lifting plate; A first tooth slot is arranged in a first vertical inner groove at the side edge of the middle lifting seat; The lifting square tube piece comprises an outer lifting square tube sleeved on the outer side of the square tube, and a second tooth slot is arranged in a second vertical inner groove on the inner wall of the outer lifting square tube; the gear adopts gear shaft swing joint to reserve logical inslot in square tube side, the inside and outside meshing of gear is in corresponding first tooth's socket and second tooth's socket respectively.
7. The large arch structure construction lining trolley of claim 6, wherein the front end and the rear end of the top of the outer lifting square pipe are respectively provided with a bottom plate, and the sliding connection rod is in sliding connection with a horizontal groove in the bottom plate; the front end and the rear end of the top of the square tube are respectively provided with a top plate, and a reset spring is connected between each top plate and the corresponding bottom plate.

Description

Large arch structure construction lining trolley Technical Field The invention relates to the technical field of concrete pouring lining trolleys, in particular to a large arch structure construction lining trolley. Background In open cut tunnel, shed tunnel and all kinds of ground arch concrete construction, lining construction trolley is the key construction equipment that realizes concrete lining shaping, guarantees structure size and construction quality. Aiming at the problems of insufficient in-place precision and running safety existing in the walking and positioning processes of the lining construction trolley, a plurality of conventional solutions are formed in the prior engineering practice, but the problems still exist in practical application with different degrees. One type of approach is based on manual operation, supplemented with simple mechanical or passive auxiliary measures, such as setting up walking limits, reinforcing braking devices or temporary fixing means after parking, to reduce the risk of unintended movement of the trolley. The mode can alleviate the phenomenon of sliding the trolley to a certain extent, but the accurate positioning problem in the trolley walking process still cannot be solved due to poor braking effect, and therefore, the large-scale arch structure construction lining trolley is provided. Disclosure of Invention The invention aims to provide a large arch structure construction lining trolley which aims to solve the problems in the background technology. In order to achieve the above purpose, the present invention provides the following technical solutions: the large arch structure construction lining trolley comprises an arch abutment base, wherein the sliding rails on the left side and the right side of the upper end of the arch abutment base are connected with each other in a sliding way, and the arch concrete pouring assembly comprises an arch steel frame, an arch pouring steel template fixed at the middle bottom of the arch steel frame and a concrete pouring hopper fixed at the front and back of the top of the arch steel frame; the lower ends of the left side and the right side of the arched steel frame are respectively fixed with a front hydraulic clamping rail moving assembly and a rear hydraulic clamping rail moving assembly, wherein the hydraulic clamping rail moving assemblies comprise a sliding base, a sliding moving seat connected with the front end and the rear end of the bottom of the sliding base by adopting a moving hydraulic cylinder, and a clamping rail assembly arranged on the sliding moving seat; The pulley in the sliding base is located on the sliding rail, the front end and the rear end of the upper part of the sliding base are provided with limiting reinforcing pieces fixed with the lower end of the arched steel frame, the sliding moving base is in sliding connection with the sliding rail, and the limiting connecting pieces arranged symmetrically on the left and right of the upper end of the sliding moving base are in sliding connection with the limiting reinforcing pieces; The clamping rail assembly is used for synchronously clamping rail fixing from three sliding contact surfaces of the sliding contact moving seat and the sliding rail, and when the clamping rail assembly releases the clamping rail fixing of the sliding contact moving seat and the sliding rail, the corresponding moving hydraulic cylinder drives the sliding contact moving seat to move forward along the sliding rail, so that concrete casting of the reinforcement cage on the arch platform base by the arch concrete casting assembly is realized. Preferably, the arch steel frame comprises a bottom beam fixed at the upper end of the hydraulic clamping rail moving assembly, side steel frames fixed at the upper end of the bottom beam, a top triangular steel frame fixed between the tops of the left and right groups of side steel frames at equal intervals in the front-back direction, and curved supports arranged between the left and right groups of bottom beams at equal intervals in the front-back direction; The top of the curved support is fixed at the bottom of the corresponding top triangular steel frame; The inner side of the top of the side steel frame is provided with inclined supports which are arranged at equal intervals in the front-back direction, and the arched pouring steel template is fixed at the bottom of the inclined supports. Preferably, the bottom of the concrete infusion bucket is connected with the arch pouring steel template by adopting a concrete conveying pipe, the arch pouring steel template covers the top of the steel reinforcement cage, the inner wall of the bottom of the steel reinforcement cage is also provided with an inner arc-shaped supporting plate, the lower ends of the left side and the right side of the inner arc-shaped supporting plate are fixed on the arch abutment base, and the steel reinforcement cage forms reinforced concrete after pouring con