CN209892223U

CN209892223U - Large-diameter shield tunnel segment caulking and hand hole plugging trolley

Info

Publication number: CN209892223U
Application number: CN201920109316.2U
Authority: CN
Inventors: 赵海涛; 陈爽; 刘磊; 赵斌; 高始军; 孔玉清; 杜贵新; 刁目松; 高延辉; 杨圣建
Original assignee: China Railway 14th Bureau Group Shield Engineering Co Ltd
Current assignee: China Railway 14th Bureau Group Shield Engineering Co Ltd
Priority date: 2019-01-23
Filing date: 2019-01-23
Publication date: 2020-01-03
Anticipated expiration: 2029-01-23

Abstract

The utility model provides a major diameter shield tunnel section of jurisdiction caulking and hand hole shutoff platform truck, the universal wheel is all installed to four stand bottoms of body frame, and fixed construction platform is laid at the body frame top, and the body frame left and right sides is provided with the same left and right flank construction platform of structure respectively, and this left side construction platform structure is: triangular supports are welded on the two upright posts on the left surface of the main frame, and a rectangular steel frame is welded on the two triangular supports, and then a fixed plate is laid to serve as a left side construction platform; all install the cat ladder between foundation platform and the left and right side platform, all install main cat ladder between left and right side construction platform and the construction platform. This platform truck can remove along with the engineering progress, can be to the all-round construction of 170 degrees within ranges in tunnel top, and can allow haulage vehicle to normally pass from middle box culvert in the construction, has simple structure practicality, and construction safety, characteristics such as efficiency of construction height.

Description

Large-diameter shield tunnel segment caulking and hand hole plugging trolley

Technical Field

The utility model relates to a major diameter shield constructs tunnel construction equipment specifically is a major diameter shield constructs tunnel section of jurisdiction caulking and hand hole shutoff platform truck.

Background

At present, with the vigorous development of the traffic infrastructure in China, the number of shield tunnel projects is continuously increased, particularly, a large number of shield tunnel projects are planned in cities of various provinces, and a considerable part of the shield tunnel projects are large-diameter shield tunnels. In the construction process of caulking and hand hole plugging of the segments of the large-diameter shield tunnel, the construction platform has great influence on the progress and safety of the engineering. Particularly, synchronous construction of segment caulking and hand hole plugging is required in the tunneling process of the shield tunneling machine. Segment caulking and hand hole treatment range: circular seams, longitudinal seams and hand holes within 170 degrees of the top of the tunnel. The scaffold is set up to current construction mode in the tunnel, then constructor stands to the scaffold construction, the problem that exists in this work progress:

1. the erected scaffold blocks the traffic in the tunnel, and the normal transportation of materials in the tunnel cannot be guaranteed;

2. the conventional scaffold erecting mode is used for construction, along with continuous construction, the processes of constructing the scaffold, dismantling, replacing a working place and erecting again need to be repeated, and the process is repeated, so that a large amount of manpower and material resources are required to be input, the construction efficiency is low, and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's shortcoming, provide a major diameter shield tunnel section of jurisdiction caulking and hand hole shutoff platform truck, aim at adopting the construction platform that removes, can advance in step along with the construction, be equipped with the middle part and lead to the chamber, do not influence normal transportation in the tunnel, the construction platform is steady broad, and the construction is safe comfortable more.

The purpose of the utility model is realized like this: the utility model provides a major diameter shield tunnel section of jurisdiction caulking and hand hole shutoff platform truck, the body frame structure is: a plurality of longitudinal and transverse section steels are welded to form a rectangular frame, four section steel stand columns are welded below the rectangular frame, the four section steel stand columns are positioned at four corners of the rectangular frame, universal wheels are mounted at the bottoms of the four section steel stand columns, and a construction platform is laid and fixed on the top surface of the rectangular frame; the body frame left and right sides is provided with the left and right side construction platform that the structure is the same respectively, and this left side construction platform structure is: triangular supports are welded on the two upright posts on the left side of the main frame to serve as auxiliary frames, rectangular steel frames are welded on the two auxiliary frames, and fixed plates are laid on the rectangular steel frames to form a left side construction platform; all install the cat ladder between foundation platform and the left and right side construction platform, all install main cat ladder between left and right side construction platform and the construction platform.

Two cat ladders are vertical cat ladders, and two cat ladders are located near two former left and right front shaped steel stands respectively, and two main cat ladders are located the side middle part position about construction platform respectively.

The universal wheel clamping plate is hinged to the profile steel upright post and clamped and pressed on the universal wheel through a torsion spring.

Guard railings are welded around the construction platform.

The guard rail is formed by welding more than two rows of steel pipes.

And movable benches are placed on the left and right side construction platforms.

The rectangular frame below the construction platform is formed by welding 7 pieces of transverse section steel and 5 pieces of longitudinal section steel; the rectangular steel frame of the left side face construction plane is formed by welding 7 pieces of transverse section steel and 3 pieces of longitudinal section steel.

The section steel of the rectangular frame is channel steel, and the stand columns of the main frame are channel steel.

The utility model relates to a major diameter shield tunnel section of jurisdiction caulking and hand hole shutoff platform truck, including rectangle body frame and both sides triangle auxiliary frame, the body frame middle part is for leading to the chamber, and body frame both sides bottom sets up the universal wheel, installs the universal wheel cardboard on the universal wheel, and body frame upper portion has set up top construction platform, and side construction platform has been arranged on auxiliary frame upper portion.

The top construction platform of the main frame and the auxiliary frame construction platforms at the two sides are wide and stable fixed platforms which are composed of fixed section steel and a flat bedplate; the fixed shaped steel is fixed and is formed the rectangle frame violently indulgedly on body frame construction platform and the subframe construction platform, and fixed shaped steel is connected with body frame and subframe, places the platform board at fixed shaped steel upside.

The movable benches are arranged on the auxiliary frame construction platforms on the two sides, so that construction at different heights is facilitated, and the construction safety and comfort are improved.

Guard railings are arranged on the periphery of the construction platform on the top of the main frame and at least comprise two rows of fixed steel pipes.

Compared with the prior art, the utility model has the following characteristics and advantages:

the utility model has the advantages that: the defects in the prior art are overcome, and the movable trolley can move along with the progress of the project, so that the project investment is reduced, and the construction efficiency is improved; the construction can be carried out on the top of the tunnel in all directions within the range of 170 degrees, and the construction requirements are met; the main frame with a rectangular design can leave enough space to ensure the normal transportation of tunnel materials; the construction platform of the main and auxiliary frames is stable and wide, the construction is safer, the potential safety hazard of high-altitude operation is eliminated, and the smooth operation of the engineering is ensured; the structure is simple, the material taking is more flexible, the resources are saved, and the like.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

fig. 2 is a perspective schematic view of the present invention.

Detailed Description

The utility model is further explained by reference to the attached drawings:

fig. 1 and 2 show that a large-diameter shield tunnel segment caulking and hand hole plugging trolley, a middle box culvert 13 for tunnel transport vehicle to pass through is arranged in a shield tunnel 14, and left and right box culverts 11 are formed at two sides of the middle box culvert; the main frame 4 has the structure that: form rectangular frame by respectively three shaped steel 5 welding of moving about freely and quickly, the welding has four shaped steel stands below the rectangular frame, and four shaped steel stands are located four angles of four font frames all around, and universal wheel 1 is all installed to four shaped steel stand bottoms, still has universal wheel cardboard 12, and universal wheel cardboard 12 articulates on the shaped steel stand to press on universal wheel 1 through the torsional spring card. A construction platform 8 (a plate, a wood plate or a steel plate) is paved and fixed on the top surface of the rectangular frame; the 4 left and right sides of body frame are provided with the same left and right sides construction platform 10 of structure respectively, and this left side construction platform structure is: triangular supports are welded on the two upright posts on the left side of the main frame 4 to serve as auxiliary frames 3, and after rectangular steel frames are welded on the two auxiliary frames 3, fixed plates are laid to serve as a left side construction platform 10; the crawling ladder 2 is arranged between the foundation platform (which is the top surface of the middle box culvert) and the left and right side construction platforms 10, and the main crawling ladder is arranged between the left and right side construction platforms 10 and the construction platform 8. The four section steel upright columns are divided into a front left section steel upright column, a front right section steel upright column, a rear left section steel upright column and a rear right section steel upright column. The triangular supports are right-angled triangular supports. Two cat ladders 2 are vertical cat ladders, and two cat ladders 2 are located near two former left and right shaped steel stands respectively, and two main cat ladders are located construction platform 8's the side middle part position of controlling respectively.

The utility model discloses major diameter shield tunnel section of jurisdiction caulking and hand hole shutoff platform truck, its major structure include body frame 4, and body frame 4 comprises shaped steel, and body frame 4 is the rectangle, and 4 middle parts of body frame are for leading to the chamber, and transport vechicle in tunnel 14 can be contained 13 through the middle box that is located under leading to the chamber and realize the transportation, and this structure makes the transportation in tunnel 14 can not receive the influence, has improved the efficiency of construction greatly. In order to move the main frame 4 to adapt to the change of the construction position, universal wheels 1 are arranged at the bottoms of two sides of the main frame 4, universal wheel clamping plates 12 are arranged on the universal wheels 1 (the clamping plates are hinged on the section steel upright posts and are clamped on the universal wheels through torsion springs, the torsion springs are pulled open to be separated from the contact with the universal wheels, and the universal wheels can move), when the construction position is changed, the universal wheel clamping plates 12 are loosened, the main frame 4 is pushed to a new construction position, then the universal wheel clamping plates 12 are locked, the construction can be continued, the main frame 4 does not need to be disassembled and assembled in the whole process, the construction time and labor intensity are greatly reduced, and time and labor are saved. The universal wheels 1 on the two sides of the main frame 4 are positioned on the side box culverts 11 on the two sides in the tunnel 14, and the traffic condition of the middle box culvert 13 cannot be influenced. 4 upper portions of body frame have set up top construction platform 8, and subframe 3 is triangle-shaped, and 4 both sides of body frame are arranged in to left and right subframe 3 symmetry, and side construction platform 10 has been arranged on 3 upper portions of subframe, installation cat ladder 2 between subframe 3 and the body frame. Wherein top construction platform 8 is used for using 14 top section of jurisdiction fillets and hand hole construction in tunnel, and side construction platform 10 is used for using 14 both sides section of jurisdiction fillets in tunnel and hand hole shutoff construction, can satisfy the requirement of 14 both sides section of jurisdiction fillets in tunnel and hand hole shutoff construction scope completely, the scope of the 170 degrees in 14 tops in tunnel.

The utility model discloses further characterized in that: the top construction platform 8 and the side auxiliary frame 3 construction platforms 10 of the main frame 4 are wide and stable fixed platforms, and are composed of fixed section steel 5 and a platform plate 6; the horizontal and vertical each of fixed shaped steel 5 is 3 at least on body frame construction platform 8 and subframe construction platform 10, and fixed shaped steel 5 is connected with body frame 4 and subframe 3, places platform board 6 at 5 upside of fixed shaped steel.

In the above embodiments, in order to facilitate the construction of the duct piece caulking and the hand hole with different heights at the two sides of the tunnel 14, the movable bench 9 is preferably arranged on the construction platform 10 of the sub-frames 3 at the two sides so as to facilitate the construction with different heights, and a constructor can select different positions to use the bench according to the construction position, so that the construction safety and comfort are improved.

In order to prevent the workers on the top construction platform 8 from causing personal injury by accident during construction, protective guards 7 are arranged on the periphery of the top construction platform 8 of the main frame 4, and the protective guards 7 are formed by welding at least two rows of fixed steel pipes.

The rectangular frame below the construction platform 8 is formed by welding 7 pieces of transverse section steel and 5 pieces of longitudinal section steel; the rectangular steel frame of the left side face construction plane is formed by welding 7 pieces of transverse section steel and 3 pieces of longitudinal section steel. Namely, the section steel frame of the construction platform forms 6 × 4 grids, and the section steel frame of the side construction platform forms 6 × 2 grids.

The section steel of the rectangular frame is channel steel, and the upright post of the main frame 4 is channel steel.

Except for a construction platform and left and right side construction platforms (built by steel plates or wood plates), the trolley is made of steel and profile steel by welding.

As described above, although the embodiments of the present invention have been described in detail, it will be apparent to those skilled in the art that many modifications can be made to the embodiments without substantially departing from the spirit and scope of the present invention. Therefore, all such modifications are included in the scope of the present invention.

Claims

1. The utility model provides a major diameter shield tunnel section of jurisdiction caulking and hand hole shutoff platform truck which characterized in that, body frame (4) structure is: a plurality of longitudinal and transverse section steels (5) are welded to form a rectangular frame, four section steel stand columns are welded below the rectangular frame, the four section steel stand columns are positioned at four corners of the rectangular frame, universal wheels (1) are mounted at the bottoms of the four section steel stand columns, and a construction platform (8) is laid and fixed on the top surface of the rectangular frame; the body frame (4) left and right sides is provided with the left and right side construction platform (10) that the structure is the same respectively, and this left side construction platform structure is: triangular supports are welded on two upright posts on the left side of the main frame (4) to serve as auxiliary frames (3), rectangular steel frames are welded on the two auxiliary frames (3), and fixed plates are laid on the rectangular steel frames to form a left side construction platform (10); all install cat ladder (2) between foundation platform and left and right side construction platform (10), all install main cat ladder between left and right side construction platform (10) and construction platform (8).

2. The large-diameter shield tunnel segment caulking and hand hole plugging trolley as claimed in claim 1, wherein the two ladder stands (2) are vertical ladder stands, the two ladder stands (2) are respectively located near the front left and front right section steel upright posts, and the two main ladder stands are respectively located at the middle positions of the left side and the right side of the construction platform (8).

3. The large-diameter shield tunnel segment caulking and hand hole plugging trolley according to claim 2, further comprising a universal wheel clamping plate (12), wherein the universal wheel clamping plate (12) is hinged on the section steel upright column and clamped and pressed on the universal wheel (1) through a torsion spring.

4. The large-diameter shield tunnel segment caulking and hand hole plugging trolley according to claim 3, wherein protective guards (7) are welded around the construction platform (8).

5. The large-diameter shield tunnel segment caulking and hand hole plugging trolley according to claim 4, wherein the protective guard (7) is formed by welding more than two rows of steel tubes.

6. The large-diameter shield tunnel segment caulking and hand hole plugging trolley according to claim 5, wherein movable benches (9) are placed on the left and right side construction platforms (10).

7. The large-diameter shield tunnel segment caulking and hand hole plugging trolley according to claim 6, wherein a rectangular frame below the construction platform (8) is formed by welding 7 transverse section steels and 5 longitudinal section steels; the rectangular steel frame of the left side face construction plane is formed by welding 7 pieces of transverse section steel and 3 pieces of longitudinal section steel.

8. The large-diameter shield tunnel segment caulking and hand hole plugging trolley according to any one of claims 1 to 7, wherein the section steel of the rectangular frame is channel steel, and the upright columns of the main frame (4) are channel steel.