CN110847629A - Subway tunnel construction support - Google Patents

Abstract

The invention discloses a subway tunnel construction support which comprises an operation table, wherein the bottom of the operation table is connected with the top of a base through a supporting device with adjustable height, and the operation table is detachably connected with a crawling ladder. The invention has the beneficial effects that: structural design is reasonable, and the height that can adjust the operation panel is used in the cooperation that first backup pad and second supported to be convenient for constructor is under construction to the co-altitude of subway tunnel inner wall, accelerate the construction progress.

Description

A subway tunnel construction support

technical field

The invention relates to the technical field of subway tunnel construction, in particular to a subway tunnel construction support.

Background technique

Tunnel construction is one of the basic tasks of road construction. Many road constructions such as railways, highways and subways need to involve tunnel construction during the construction process, especially for road construction in hilly areas. During tunnel construction, brackets are usually used for ease of operation. The existing subway tunnel construction support has a serious problem. After the support is installed, the height of the support is a fixed value, and the height of the support cannot be adjusted. progress.

For the problems in the related technologies, no effective solutions have been proposed so far.

SUMMARY OF THE INVENTION

In view of the above-mentioned technical problems in the related art, the present invention proposes a subway tunnel construction support, which has a reasonable structural design, and the cooperative use of the first support plate and the second support can adjust the height of the operating table, which is convenient for the construction personnel to adjust the difference of the inner wall of the subway tunnel. The construction is carried out at a high level to speed up the construction progress.

For realizing the above-mentioned technical purpose, the technical scheme of the present invention is realized like this:

A subway tunnel construction support includes an operating table, the bottom of the operating table is connected to the top of the base through a height-adjustable support device, and the operating table is detachably connected with a climbing ladder.

Further, the support device includes a first support plate, the top of the first support plate is fixedly connected to the bottom of the operating table, the first support plate is slidably connected with a second support plate in the up-down direction, the The bottom of the second support plate is fixedly connected to the top of the base.

Further, each of the front and rear sides of the first support plate is provided with a first through hole, and the front and rear sides of the second support plate are each evenly arranged with a plurality of fixing grooves along the upper and lower directions. Both the fixing grooves correspond to the pins.

Further, each of the left and right sides of the second support plate is detachably connected to the upper end of a positioning rod, the positioning rod is inclined and its lower end is supported on the ground.

Further, the second support plate is provided with a pin hole matched with the upper end of the positioning rod.

Further, a hook is movably connected to the top of the ladder through a rotating shaft.

Further, the left side of the operating table is provided with a second through hole corresponding to the hook.

Further, a rubber block is fixedly connected to the bottom of the climbing ladder.

Further, the bottom of the climbing ladder is provided with a groove, and the upper part of the rubber block is embedded in the groove.

The beneficial effects of the present invention are as follows: the structural design is reasonable, and the cooperating use of the first support plate and the second support can adjust the height of the operating table, thereby facilitating the construction personnel to construct different heights of the inner wall of the subway tunnel and speeding up the construction progress.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the accompanying drawings required in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some of the present invention. In the embodiments, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without any creative effort.

1 is a front view of a subway tunnel construction support according to an embodiment of the present invention;

2 is a side view of a subway tunnel construction support according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of the bottom of a climbing ladder according to an embodiment of the present invention.

In the picture:

100, climbing ladder; 110, rubber block; 120, groove; 200, hook; 300, console; 400, support device; 410, first support plate; 420, second support plate; 421, positioning rod; 422, pin hole; 423, fixing slot; 430, latch; 500, base.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those of ordinary skill in the art fall within the protection scope of the present invention.

As shown in FIGS. 1-3 , a subway tunnel construction support according to an embodiment of the present invention includes an operating table 300 , and the bottom of the operating table 300 is connected to the top of the base 500 through a height-adjustable support device 400 . The operating table 300 is detachably connected with the ladder 100 .

In a specific embodiment of the present invention, the support device 400 includes a first support plate 410, the top of the first support plate 410 is fixedly connected to the bottom of the operating table 300, and the first support plate 410 is up and down A second support plate 420 is slidably connected in the direction, and the bottom of the second support plate 420 is fixedly connected to the top of the base 500 .

In a specific embodiment of the present invention, the front and rear sides of the first support plate 410 are respectively provided with a first through hole, and the front and rear sides of the second support plate 420 are uniformly arranged with a plurality of holes in the up-down direction. The fixing slot 423 , the first through hole and the fixing slot 423 are all corresponding to the plug 430 .

In a specific embodiment of the present invention, each of the left and right sides of the second support plate 420 is detachably connected to the upper end of a positioning rod 421, the positioning rod 421 is inclined and its lower end is supported on the ground.

In a specific embodiment of the present invention, the second support plate 420 is provided with a pin hole 422 which is matched with the upper end of the positioning rod 421 .

In a specific embodiment of the present invention, a hook 200 is movably connected to the top of the ladder 100 through a rotating shaft.

In a specific embodiment of the present invention, a second through hole corresponding to the hook 200 is opened on the left side of the operating table 300 .

In a specific embodiment of the present invention, a rubber block 110 is fixedly connected to the bottom of the climbing ladder 100 .

In a specific embodiment of the present invention, a groove 120 is formed at the bottom of the climbing ladder 100 , and the upper part of the rubber block 110 is embedded in the groove 120 .

In order to facilitate the understanding of the above-mentioned technical solutions of the present invention, the above-mentioned technical solutions of the present invention will be described in detail below through specific usage modes.

The subway tunnel construction support (hereinafter referred to as the support) according to the present invention includes a climbing ladder 100 , a hook 200 , an operating table 300 , a support device 400 and a base 500 .

As shown in FIG. 1 , a hook 200 is installed on the top of the ladder 100 through a rotating shaft. The ladder 100 is used for workers to climb, and the material used for the ladder 100 is steel.

The right end of the hook 200 is provided with a hook-shaped head. The hook-shaped head of the hook 200 is inserted into the through hole at the left end of the operating table 300. The hook 200 is used to install the ladder 100 on the left side of the operating table 300.

As shown in Figure 1-2, the left end of the operating table 300 has a through hole, the hook-shaped head of the hook 200 hooks the through hole of the operating table 300, the operating table 300 is used as a support for workers and materials, and the material used for the operating table 300 is steel.

As shown in Figures 1-2, the top of the support device 400 is fixed at the middle position of the bottom of the console 300 by welding. The support device 400 includes a first support plate 410, a second support plate 420 and two latches 430, the second The support plate 420 is in sliding contact with the inner cavity wall of the first support plate 410 , the front and rear side walls of the second support plate 420 are vertically opened with a plurality of fixing grooves 423 , the front and rear side walls of the second support plate 420 are in sliding contact A first through hole with the same diameter as the fixing slot 423 is opened, and the pin 430 is inserted into the fixing slot 423 after passing through the first through hole. The purpose of adjusting the height of the support device 400 is to adjust the height of the operating table 300, so that workers can construct different heights of the inner wall of the subway tunnel. The material is steel.

As shown in FIG. 1-2 , the top of the base 500 is fixed to the bottom of the second support plate 420 by welding, the bottom of the base 500 is placed horizontally on the ground, and the base 500 is used to improve the stability of the support device 400 during installation , the material used for the base 500 is steel.

As shown in FIG. 3 , in order to improve the safety of the climbing ladder 100 in use, the upper part of the rubber block 110 is embedded in the concave groove 120 at the bottom of the climbing ladder 100. The use of the rubber block 110 increases the friction with the ground, so that the worker can When going up and down the ladder 100, the ladder 100 can be prevented from sliding with the ground, and the rubber block 110 is made of rubber.

As shown in FIG. 1 , in order to improve the stability of the support device 400 during use, a positioning rod 421 is inserted into each of the left and right sides of the second support plate 420 . A pin hole 422 is opened each, and the pin hole 422 is inclined downward. When in use, the upper ends of the two positioning rods 421 are respectively inserted into the corresponding pin holes 422, and the lower ends of the positioning rods 421 are in contact with the ground. The material is steel.

As shown in FIG. 1 , in order to raise or lower the operating table 300 by an equal amount, a plurality of equidistant and vertically distributed fixing grooves 423 are opened on the front and rear side walls of the second support plate 420 . The lengths of the first support plate 410 and the second support plate 420 can be adjusted by entering the fixing grooves 423 at different positions.

In specific use, according to the construction height in the subway tunnel, an external force is applied to the first support plate 410, so that the first support plate 410 moves upward along the second support plate 420. When the top of the operating table 300 reaches the construction height, the two The pins 430 respectively pass through the first through holes on the front and rear side walls of the first support plate 410, and then are inserted into the fixing grooves 423 on the front and rear side walls of the second support plate 420 corresponding to the first through holes to locate The rods 421 are distributed on the left and right sides of the support device 400 to fix the position of the support device 400 in the vertical direction. The worker takes the construction material and climbs to the top of the operating table 300 through the climbing ladder 100 , and the worker stands on the operating table 300 The top of the tunnel can be constructed on the inner wall of the tunnel.

To sum up, with the aid of the above technical solutions of the present invention, the structure design is reasonable, and the combined use of the first support plate and the second support can adjust the height of the operating table, thereby facilitating the construction personnel to carry out construction at different heights of the inner wall of the subway tunnel and speeding up the construction. schedule.

The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention. within.

Claims (9)

1. The subway tunnel construction support comprises an operation table (300) and is characterized in that the bottom of the operation table (300) is connected with the top of a base (500) through a supporting device (400) with adjustable height, and the operation table (300) is detachably connected with a ladder (100).

2. The subway tunnel construction bracket according to claim 1, wherein said supporting device (400) comprises a first supporting plate (410), the top of said first supporting plate (410) is fixedly connected with the bottom of said operating platform (300), said first supporting plate (410) is slidably connected with a second supporting plate (420) in the up-and-down direction, and the bottom of said second supporting plate (420) is fixedly connected with the top of said base (500).

3. The subway tunnel construction support according to claim 2, wherein a first through hole is opened at each of front and rear sides of the first support plate (410), a plurality of fixing grooves (423) are uniformly arranged at each of front and rear sides of the second support plate (420) in an up-down direction, and the first through hole and the fixing grooves (423) correspond to the bolt (430).

4. The subway tunnel construction bracket according to claim 1, wherein the left and right sides of said second supporting plate (420) are detachably connected to the upper end of a positioning rod (421), said positioning rod (421) is obliquely installed and the lower end thereof is supported on the ground.

5. The subway tunnel construction bracket as claimed in claim 4, wherein said second supporting plate (420) is formed with a pin hole (422) engaged with an upper end of said positioning rod (421).

6. The subway tunnel construction bracket as claimed in claim 1, wherein a hook (200) is movably connected to the top of said ladder (100) through a rotation shaft.

7. The subway tunnel construction bracket according to claim 6, wherein a second through hole corresponding to said hook (200) is opened at a left side of said operation table (300).

8. The subway tunnel construction bracket as claimed in claim 1, wherein a rubber block (110) is fixedly connected to the bottom of said ladder (100).

9. The subway tunnel construction bracket as claimed in claim 8, wherein a groove (120) is formed at the bottom of said ladder (100), and the upper portion of said rubber block (110) is embedded in said groove (120).

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