CN216549392U

CN216549392U - Simple reinforcing mesh mounting trolley

Info

Publication number: CN216549392U
Application number: CN202123073306.4U
Authority: CN
Inventors: 王帅帅; 许前顺; 孙向东; 张浩伟; 刘勋; 刘新华; 白文哲
Original assignee: CCCC Second Highway Engineering Co Ltd
Current assignee: CCCC Second Highway Engineering Co Ltd
Priority date: 2021-12-09
Filing date: 2021-12-09
Publication date: 2022-05-17
Anticipated expiration: 2031-12-09

Abstract

The utility model belongs to the technical field of tunnel construction, and particularly relates to a simple reinforcing mesh mounting trolley. The utility model provides a simple and easy reinforcing bar net piece installation platform truck, includes rack assembly, running gear, reinforcing bar net piece draw gear, reinforcing bar net piece jacking device install respectively the top platform on, reinforcing bar net piece draw gear include hoist engine, a plurality of pulley, wire rope and lifting hook, reinforcing bar net piece jacking device include jacking subassembly, supporting component, arch frame, the jacking subassembly includes jacking cylinder. The winch is adopted to pull the steel bar net piece, the oil cylinder is adopted to integrally lift the steel bar net piece, the operation is simple and easy to operate, the labor intensity of operating personnel and the construction difficulty are greatly reduced, and the operating efficiency is improved.

Description

Simple reinforcing mesh mounting trolley

Technical Field

The utility model belongs to the technical field of tunnel construction, and particularly relates to a simple reinforcing mesh mounting trolley.

Background

The reinforcing mesh adopted by the tunnel preliminary bracing is mostly manufactured by a full-automatic and intelligent production line at present, the size of a grid, the specification and the quality of reinforcing steel bars are strictly controlled, and the engineering quality is greatly ensured. The net structure of the reinforcing mesh ensures that the reinforcing mesh has good bonding and anchoring properties with concrete, and greatly improves the anti-cracking and anti-seismic properties of the concrete. Meanwhile, links such as on-site cutting, placing, binding and the like are omitted due to the adoption of the steel bar net piece in the construction, the construction progress is accelerated, the primary support of the tunnel can be closed to form a ring in time, and the construction safety is ensured.

In the primary support operation of the tunnel, although the reinforcing mesh is widely applied, no special equipment for installing the reinforcing mesh exists at present. During construction, an artificial lifting installation mode is adopted, other people are needed for assisting operation, the problems of low operation efficiency, high labor intensity of operators, slow construction progress and the like exist, meanwhile, a tunnel cannot be closed in time to form a ring, and the safety of the operators and equipment in the tunnel is seriously affected. In order to facilitate manual installation of the reinforcing mesh, the manufactured reinforcing mesh is small in size, needs to be continuously lapped and lengthened during installation, and is large in material loss.

Disclosure of Invention

The utility model aims to provide a simple reinforcing steel bar mesh mounting trolley, which is simple in structure, easy to maintain and strong in environmental suitability, adopts a winch to pull a reinforcing steel bar mesh, adopts an oil cylinder to integrally lift the reinforcing steel bar mesh, is simple to operate and easy to operate, greatly reduces the labor intensity and the construction difficulty of operating personnel, and improves the operation efficiency, so that the problems that the existing method for mounting the reinforcing steel bar mesh is high in labor intensity, low in working efficiency, small in size of the reinforcing steel bar mesh, and large in material waste caused by repeated lap joint and fixation during mounting are solved.

The technical scheme of the utility model is as follows: a simple reinforcing mesh installation trolley comprises a rack assembly, a travelling mechanism, a reinforcing mesh traction device and a reinforcing mesh jacking device, wherein the rack assembly comprises a rack main body, a lateral platform and a top platform which are arranged on the rack main body, the rack main body comprises a plurality of groups of upright columns, a longitudinal beam I and a cross beam I, the travelling mechanism is arranged at the lower part of the rack main body, the reinforcing mesh traction device and the reinforcing mesh jacking device are respectively arranged on the top platform, the reinforcing mesh traction device comprises a winch, a plurality of pulleys, a steel wire rope and a lifting hook, the winch is fixedly connected to the center above the top platform, the number of the pulleys is 6, the pulleys are symmetrically arranged along two sides of the winch, one end of the steel wire rope is fixed and wound on the winch, one end of the steel wire rope extends out of one side of the winch and then bypasses 3 pulleys to be connected with the lifting hook, the reinforcing bar net piece jacking device include jacking subassembly, supporting component, arch frame, the jacking subassembly includes jacking cylinder, longeron two, longeron three, crossbeam two, the jacking cylinder is equipped with two sets ofly, follows three bilateral symmetry of longeron arranges, jacking cylinder lower extreme with three upside fixed connection of longeron, the upper end with two downside fixed connection of longeron, the supporting component is equipped with two sets ofly, and the symmetrical arrangement is in longeron two tops, the supporting component is including the end plate, support post, the backup pad that connect gradually, the end plate with the bolt connection is crossed to the longeron two, the arch frame is fixed to be set up in the backup pad.

The walking mechanism is connected with the bottom of the rack main body through bolts, adopts a crawler-type or tire-type walking mode, is driven by a motor or a hydraulic motor, and has self-walking and steering functions.

The upright post is connected with the first longitudinal beam and the first cross beam through bolts, and a first inclined strut and a third inclined strut are respectively arranged in a frame-shaped structure formed by connecting the upright post with the first longitudinal beam and the first cross beam.

The pulleys are respectively arranged on two sides above the top platform, two ends of the top platform and the upper part of the outer side of the lateral platform.

The third longitudinal beam is positioned at the upper part of the first cross beam, the second longitudinal beam is positioned on the front cross beam and the rear cross beam of the top platform, and the two ends of the second longitudinal beam are fixedly connected with the sliding plate.

And a plurality of groups of bolt holes are drilled in the upper sides of the second longitudinal beams at certain intervals, and the third longitudinal beam is placed on the front and rear cross beams of the top platform.

The utility model has the technical effects that: 1. the steel bar mesh traction device is adopted to pull the steel bar mesh, so that the process of manual lifting and mounting is replaced, the steel bar mesh mounting process is simplified, the labor intensity of operators is greatly reduced, the construction efficiency is improved, and the construction progress is accelerated; 2. when the reinforcing mesh traction device is adopted to pull the reinforcing mesh, the size of the reinforcing mesh can be properly increased according to the transportation capacity of the tunnel and the footage of each cycle, so that the lap joints among the reinforcing meshes are reduced, and the material is saved; 3. the utility model can also be used for assisting excavation, charging and other construction links, reduces the quantity of tunnel construction equipment and saves a large amount of cost.

The following will be further described with reference to the accompanying drawings.

Drawings

Fig. 1 is a front view of a structure schematic diagram of a simple reinforcing mesh installation trolley according to an embodiment of the utility model.

Fig. 2 is a schematic structural view of a simple reinforcing mesh installation trolley according to an embodiment of the utility model.

Fig. 3 is a schematic structural view of a jacking device of the simple reinforcing mesh installation trolley according to the embodiment of the utility model.

Reference numerals: 1-upright column; 2-a lateral platform; 3-bracing one; 4, a first cross beam; 5-a top platform; 6-winch, 7-pulley; 8-a steel wire rope; 9-arch frame; 10-a traveling mechanism; 11-a hook; 12-a second inclined strut; 13-longitudinal beam one; 14-a jacking oil cylinder; 15-a slide plate; 16-an end plate; 17-supporting the upright post; 18-a support plate; 19-longitudinal beam two; 20-beam II; 21-longitudinal beam three.

Detailed Description

Example 1

In order to solve the problems that the existing method for installing the reinforcing mesh is mostly manually lifted and installed, the labor intensity is high, the working efficiency is low, the size of the reinforcing mesh is small, multiple lap joint fixing is needed during installation, and the material is greatly wasted, the utility model provides the simple reinforcing mesh installation trolley shown in the figure 1.

As shown in fig. 1, 2 and 3, the simple reinforcing mesh installation trolley comprises a rack assembly, a traveling mechanism 10, a reinforcing mesh traction device and a reinforcing mesh jacking device, wherein the rack assembly comprises a rack main body, a lateral platform 2 and a top platform 5 which are arranged on the rack main body, the rack main body comprises a plurality of groups of upright columns 1, longitudinal beams 13 and cross beams 4, the traveling mechanism 10 is arranged at the lower part of the rack main body, the reinforcing mesh traction device and the reinforcing mesh jacking device are respectively arranged on the top platform 5, the reinforcing mesh traction device comprises a winch 6, a plurality of pulleys 7, a steel wire rope 8 and a lifting hook 11, the winch 6 is fixedly connected to the center above the top platform 5, the pulleys 7 are 6 in total and symmetrically arranged along the two sides of the winch 6, one end of the steel wire rope 8 is fixed and wound on the winch 6, and the other end of the steel wire rope extends out of one side of the winch 6 and then rounds 3 pulleys 7 to be connected with the lifting hook 11, the steel bar mesh jacking device comprises a jacking assembly, a supporting assembly and an arch frame 9, wherein the jacking assembly comprises a jacking oil cylinder 14, a second longitudinal beam 19, a third longitudinal beam 21 and a second cross beam 20, two groups of jacking oil cylinders 14 are arranged and symmetrically arranged along two sides of the third longitudinal beam 21, the lower end of each jacking oil cylinder 14 is fixedly connected with the upper side of the third longitudinal beam 21, the upper end of each jacking oil cylinder is fixedly connected with the lower side of the second longitudinal beam 19, two groups of supporting components are arranged, the supporting components are symmetrically arranged above the second longitudinal beam 19, each supporting component comprises an end plate 16, a supporting upright column 17 and a supporting plate 18 which are connected in sequence, the end plate 16 is connected with the second longitudinal beam 19 through a bolt, and the arch-shaped frame 9 is fixedly arranged on the support plate 18.

In the practical use process, the reinforcing mesh sheet mounting trolley is moved to a section to be supported through the traveling mechanism 10, the arch frame 9 is placed on the supporting plate 18 in the jacking device, the position of the arch frame 9 is adjusted and fixed, in the working process, the reinforcing mesh sheet is hung on the lifting hook 11, the lifting hook 11 is pulled by the winch 6 to move upwards, after the reinforcing mesh sheet is pulled to the position of the arch frame 9, the reinforcing mesh sheet continuously moves upwards to the top of the trolley along the arch frame 9 and is temporarily fixed with the arch frame 9, then the steel wire rope 8 bypasses the other side of the trolley, the pulley 7 and the winch 6 are reversed, and the reinforcing mesh sheet on the side is pulled to the top of the trolley and is lapped and fixed with the other side. The steel bar net piece is placed on the arch frame after being pulled in place, and the steel bar net piece is moved to the designed position by the steel bar net piece jacking device, so that the installation flow of the steel bar net piece is simplified, the labor intensity of operators is greatly reduced, the construction efficiency is improved, and the construction progress is accelerated.

Example 2

On the basis of embodiment 1, in this embodiment, preferably, the traveling mechanism 10 is connected to the bottom of the gantry main body by bolts, and the traveling mechanism 10 is driven by an electric motor or a hydraulic motor in a crawler-type or tire-type traveling manner, and has self-traveling and steering functions.

In the actual use process, the travelling mechanism 12 is connected with the bottom of the rack main body through bolts, so that a crawler-type or tire-type travelling mode can be conveniently selected and installed according to the actual situation on site.

Example 3

On the basis of embodiment 1, in this embodiment, preferably, the upright 1 and the longitudinal beam one 13 and the cross beam one 4 are connected by bolts, and a frame-shaped structure formed by connecting the upright 1 and the longitudinal beam one 13 and the cross beam one 4 is provided with a first inclined strut 3 and a third inclined strut 12, respectively.

In practical use, the frame-shaped structure formed by connecting the upright post 1 with the longitudinal beam I13 and the cross beam I4 is respectively provided with the inclined strut I3 and the inclined strut III 12, so that the overall strength of the main structure of the rack can be enhanced, and meanwhile, enough passing space is reserved in the main structure of the rack, so that the passing requirement of construction vehicles can be met.

Example 4

On the basis of embodiment 1, in this embodiment, preferably, the pulleys 7 are respectively disposed above the top platform 5, the top platform 5 and the lateral platforms 2.

In actual use, the pulleys 7 are respectively arranged on two sides above the top platform 5, two ends of the top platform 5 and the upper part of the outer side of the lateral platform 2, so that the fact that one winch 6 can pull the reinforcing mesh from two sides through 3 pulleys on one side is guaranteed, and the number of equipment is simplified.

Example 5

On the basis of embodiment 1, in this embodiment, preferably, the third longitudinal beam 21 is located on the upper portion of the first cross beam 4, the second longitudinal beam 19 is located on the front and rear cross beams of the roof deck 5, and the sliding plates 15 are fixedly connected to two ends of the second longitudinal beam 19.

In practical use, the sliding plates 15 are fixedly connected to two ends of the second longitudinal beam 19, so that friction between the second longitudinal beam 19 and the top platform 5 during movement is reduced.

Example 6

On the basis of the embodiment 1, in the embodiment, preferably, a plurality of groups of bolt holes are drilled at certain intervals on the upper side of the second longitudinal beam 19, and the third longitudinal beam 21 is placed on the front and rear cross beams of the roof deck 1.

In practical use, a plurality of groups of bolt holes are drilled in the upper side of the second longitudinal beam 19 at certain intervals, and the distance between each two support assemblies can be adjusted by moving the positions of the support assemblies.

A use method of a simple reinforcing mesh installation trolley comprises the following specific steps:

the method comprises the following steps: according to the tunnel footage and the transportation capacity, the longitudinal length of the reinforcing mesh is designed according to 1-2 pieces of longitudinal arrangement during processing;

step two: the arch-shaped frame 9 is moved to a supporting plate 18 in the jacking device and fixed;

step three: moving the reinforcing mesh mounting trolley to a section to be supported, and conveying the construction material to the rear of the trolley;

step four: the reinforcing mesh sheets are respectively pulled in a left-right mode, the first reinforcing mesh sheet is hung on a hook 11 of the traction device, the winch 6 is started, the winch 6 stops rotating after the hook 12 moves upwards for a certain distance, the second reinforcing mesh sheet is lapped, and the winch 6 is started to drive the hook 11 to move upwards continuously. By the reciprocating movement, the reinforcing mesh slides to the top along the arch-shaped frame 9 and is temporarily fixed with the arch-shaped frame 9, and then the reinforcing mesh on the other side is pulled to the top of the arch-shaped frame 9 for lapping;

step five: jacking the reinforcing mesh to a designed position integrally by using a jacking device;

step six: and fixedly connecting the reinforcing mesh with the anchor rod. And finishing the installation of the reinforcing mesh.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.

Claims

1. The utility model provides a simple and easy reinforcing bar net piece installation platform truck which characterized in that: the steel bar net piece lifting device comprises a rack assembly, a travelling mechanism (10), a steel bar net piece traction device and a steel bar net piece lifting device, wherein the rack assembly comprises a rack main body, a lateral platform (2) and a top platform (5) which are arranged on the rack main body, the rack main body comprises a plurality of groups of upright posts (1), a longitudinal beam I (13) and a cross beam I (4), the travelling mechanism (10) is arranged on the lower portion of the rack main body, the steel bar net piece traction device and the steel bar net piece lifting device are respectively arranged on the top platform (5), the steel bar net piece traction device comprises a winch (6), a plurality of pulleys (7), a steel wire rope (8) and a lifting hook (11), the winch (6) is fixedly connected to the center above the top platform (5), the number of the pulleys (7) is 6, and the pulleys are symmetrically arranged along two sides of the winch (6), one end of the steel wire rope (8) is fixed and wound on the winch (6), one end of the steel wire rope extends out of one side of the winch (6) and then bypasses 3 pulleys (7) to be connected with the lifting hook (11), the steel wire net piece jacking device comprises two groups of jacking oil cylinders (14), two groups of longitudinal beams (19), three longitudinal beams (21) and two cross beams (20), the two groups of jacking oil cylinders are symmetrically arranged along two sides of the three longitudinal beams (21), the lower ends of the jacking oil cylinders (14) are fixedly connected with the upper side of the three longitudinal beams (21), the upper ends of the jacking oil cylinders are fixedly connected with the lower side of the two longitudinal beams (19), the two groups of supporting assemblies are symmetrically arranged above the two longitudinal beams (19), each supporting assembly comprises an end plate (16), a supporting upright post (17) and a supporting plate (18) which are sequentially connected, the end plate (16) is connected with the second longitudinal beam (19) through a bolt, and the arch frame (9) is fixedly arranged on the support plate (18).

2. The simple reinforcing mesh mounting trolley as claimed in claim 1, wherein: running gear (10) with rack main part bottom adopts bolted connection, running gear (10) adopt crawler-type or tire formula walking mode, adopt motor or hydraulic motor drive, have from walking and turn to the function.

3. The simple reinforcing mesh mounting trolley as claimed in claim 1, wherein: the upright post (1) is connected with the first longitudinal beam (13) and the first cross beam (4) through bolts, and a first inclined strut (3) and a third inclined strut (12) are respectively arranged in a frame-shaped structure formed by connecting the upright post (1) with the first longitudinal beam (13) and the first cross beam (4).

4. The simple reinforcing mesh mounting trolley as claimed in claim 1, wherein: the pulleys (7) are respectively arranged on two sides above the top platform (5), two ends of the top platform (5) and the upper part of the outer side of the lateral platform (2).

5. The simple reinforcing mesh mounting trolley as claimed in claim 1, wherein: the third longitudinal beam (21) is positioned at the upper part of the first cross beam (4), the second longitudinal beam (19) is positioned on the front cross beam and the rear cross beam of the top platform (5), and two ends of the second longitudinal beam (19) are fixedly connected with sliding plates (15).

6. The simple reinforcing mesh mounting trolley as claimed in claim 1, wherein: and a plurality of groups of bolt holes are drilled in the upper side of the second longitudinal beam (19) at certain intervals, and the third longitudinal beam (21) is placed on the front and rear cross beams of the top platform (5).