CN219509640U - Movable construction platform for arc surface of shield tunnel - Google Patents
Movable construction platform for arc surface of shield tunnel Download PDFInfo
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- CN219509640U CN219509640U CN202320097443.1U CN202320097443U CN219509640U CN 219509640 U CN219509640 U CN 219509640U CN 202320097443 U CN202320097443 U CN 202320097443U CN 219509640 U CN219509640 U CN 219509640U
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- supporting legs
- roller
- shield tunnel
- arc surface
- braking
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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Abstract
The utility model provides a movable construction platform for an arc surface of a shield tunnel, which comprises a bottom supporting structure and a top operating platform, wherein the bottom supporting structure comprises a supporting panel horizontally arranged above the supporting panel and a plurality of supporting legs below the supporting panel, each supporting leg comprises two vertical supporting legs and two inclined supporting legs, brake wheels are respectively and vertically arranged on the side surfaces of the upper sections of the two inclined supporting legs, brake wheels vertical to the ground are respectively arranged at the bottoms of the two vertical supporting legs, and lateral travelling wheels are arranged on the outer sides of the vertical supporting legs. The movable construction platform can solve the problem of difficult construction caused by the fact that the construction working surface of the shield tunnel is an arc-shaped section, and is convenient in material acquisition, simple to manufacture and safe and efficient in use.
Description
Technical Field
The utility model belongs to the technical field of tunnel construction, and particularly relates to a movable construction platform for an arc surface of a shield tunnel.
Background
At present, the construction of the underground railway in China is entering a rapid development period, and the shield method technology is definitely widely applied to the construction of the underground railway in China. As shown in fig. 9, the shield method construction tunnel is of a circular section, the lower structure of the shield tunnel adopts a structure form of prefabricated box culvert and cast-in-situ reinforced concrete backfill, the part above the box culvert adopts 30cm composite type two liners, an intermediate wall is arranged between the two lines, a flue plate is arranged at the top, and an emergency evacuation platform is arranged in the middle of the intermediate wall. After the construction of the box culvert in the middle of the bottom of the tunnel is completed, the arc-shaped area formed between the side wall of the box culvert and the arc-shaped surface of the inner wall of the tunnel brings great inconvenience to construction workers, so that the utility model aims to design a movable construction platform for the arc-shaped surface of the shield tunnel to meet the construction requirements, and the problem of difficult construction caused by the arc-shaped section of the construction operation surface of the shield tunnel can be solved.
Disclosure of Invention
Aiming at the problems existing in the prior art, the utility model adopts the following technical scheme for solving the problems existing in the prior art:
a portable construction platform for shield tunnel arc surface, its characterized in that: including bottom sprag structure 1 and top operation platform 2, bottom sprag structure 1 is including being located the support panel 13 that the top level set up to and be located a plurality of supporting legs of support panel 13 below, the supporting leg includes two vertical supporting legs and two diagonal bracing legs, two vertical supporting legs perpendicular to support panel parallel arrangement, two diagonal bracing leg parallel arrangement, diagonal bracing leg one end and support panel bottom edge connection, the other end is fixed with vertical supporting leg bottom connection, every diagonal bracing leg and vertical supporting leg and support panel bottom constitute triangle-shaped braced system jointly, two diagonal bracing leg upper segment sides are equipped with brake wheel 3 perpendicularly respectively, two vertical supporting leg bottoms are equipped with brake wheel 3 of perpendicular to ground respectively, the vertical supporting leg outside is equipped with lateral travelling wheel 6.
The middle section is equipped with the stiffener between two diagonal bracing legs, and diagonal bracing leg bottom links up the department with the vertical bracing leg, is equipped with the connecting rod between two joint points to reinforcing bottom sprag structure 1 overall stability.
And a reinforcing diagonal brace 15 is arranged between the diagonal support leg and the reinforcing rod, between the connecting rod and the vertical support leg and between the vertical support leg and the bottom surface of the support panel, and a triangular stable support structure is formed at each structural connection position through the reinforcing diagonal brace.
The four braking wheels 3 are arranged in total, two braking wheels arranged on the outer sides of the inclined supporting legs are in contact with the side edges of the arc-shaped inner wall surfaces of the tunnel, and two braking wheels arranged at the bottoms of the vertical supporting legs are in contact with the bottoms of the arc-shaped surfaces of the tunnel in the construction space.
Four lateral travelling wheels 6 are arranged in total, are symmetrically arranged outside two vertical supporting legs and are perpendicular to the vertical supporting legs, and the bottoms of the four lateral travelling wheels 6 are in contact with the outer side face of the box culvert 16.
The top operation platform 2 comprises an operation platform panel 14 which is horizontally arranged, four supporting rods are vertically arranged at the bottom of the operation platform panel 14, and connecting rods are sequentially arranged between the four supporting legs, so that the supporting stability is enhanced.
Two guard rails 12 are vertically arranged above the operation platform panel 14, the two guard rails 12 are symmetrically arranged, and the trend of the guard rails is parallel to the axial direction of the tunnel.
The height of the protective rail 12 is set to be 1.2m, and the protective rail is formed by a plurality of square steel pipes and welded and fixed with an operation platform panel.
The vertical supporting legs, the inclined supporting legs, the supporting rods, the connecting rods and the reinforcing diagonal braces are all made of square steel pipes, and all the square steel pipes are welded and fixed.
The support panel 13 and the operation platform panel 14 are formed by processing a 2cm thick steel plate.
The brake wheel 3 is fixed on the bottom supporting structure 1 through the roller seat A5, the roller seat A5 comprises a fixing sheet fixed with supporting legs, two wheel frames perpendicular to the fixing sheet are arranged, the two wheel frames are arranged on two sides of the roller in parallel, holes coaxial with the center of the roller are formed in the tail ends of the wheel frames, positioning pins sequentially penetrate through the two wheel frames and the holes in the roller to position, the positioning pins are screws with diameters slightly smaller than that of the center hole of the roller, one end of each positioning pin is fixed through a nut, and the other end of each positioning pin is anchored through a pier head to ensure that the roller can freely rotate.
Be equipped with braking structure 4 on the gyro wheel seat A5, braking structure 4 includes the brake support 11 of perpendicular connection in the stationary blade below, and the brake support lower extreme is connected with brake lever 9 through the pivot, it is equipped with briquetting 10 to formulate pole 9 and be close to gyro wheel one side, and briquetting is close to gyro wheel one side and is equipped with gasket 8, the gasket is the rubber material, and the control to the gyro wheel is realized in a flexible way through pushing down and lifting of brake lever, when lifting on the brake lever, can make braking structure reach the release state, and when the brake lever pushed down, the drive briquetting is pressed on the gyro wheel, and briquetting bottom gasket has further increased the frictional force between briquetting and the gyro wheel, through pressure and frictional force combined action, can realize the braking state of this structure, makes its braking operation more convenient, safety.
The lateral travelling wheel 6 is fixed on the bottom supporting structure 1 through the roller seat B7, the roller seat B7 comprises a fixing sheet fixed with supporting legs, two wheel frames perpendicular to the fixing sheet are arranged on two sides of the roller, holes coaxial with the center of the roller are formed in the tail ends of the wheel frames, a locating pin sequentially penetrates through the two wheel frames and the holes in the roller to locate, the locating pin is a screw with the diameter slightly smaller than that of the center hole of the roller, one end of the locating pin is fixed through a nut, and the other end of the locating pin is anchored through a pier head to ensure that the roller can freely rotate.
The utility model has the following advantages:
1. the construction platform adopts the running wheels with symmetrical and balanced bottoms, and the platform is braked and released effectively by lifting and pressing down the brake structure, so that the construction platform is convenient, quick and efficient;
2. the top operation platform panel and the support panel for personnel to walk are high in rigidity and strength, and a stable support system is formed by adopting the vertical and horizontal two-way 'well' square steel and the triangular support, so that concentrated load can be resisted, and the safety of construction operators can be effectively ensured;
3. the materials adopted by the construction platform are all materials commonly used in engineering, so that the construction platform is economical and environment-friendly;
4. the construction platform realizes the walking of the construction platform on the side surface of the box culvert through the lateral walking structure, and is simple and convenient.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a movable platform according to the present utility model;
FIG. 2 is a schematic diagram of a movable platform traveling brake wheel structure according to the present utility model;
FIG. 3 is a schematic diagram of a movable platform running brake wheel braking structure according to the present utility model;
FIG. 4 is a schematic diagram of the structure of a roller seat A of a traveling brake wheel of a movable platform;
FIG. 5 is a schematic view of the structure of a lateral walking support wheel of the movable platform of the present utility model;
FIG. 6 is a schematic diagram of a roller seat B of a lateral walking supporting wheel of a movable platform according to the present utility model;
FIG. 7 is a schematic view of a top operation platform of the movable platform according to the present utility model;
FIG. 8 is a schematic view of the bottom support platform of the movable platform of the present utility model;
FIG. 9 is a schematic view of a shield tunnel structure in the background art;
wherein: 1-bottom supporting structure, 2-top operation platform, 3-brake wheel, 4-braking structure, 5-roller seat A, 6-side direction walking wheel, 7-roller seat B, 8-gasket, 9-brake lever, 10-briquetting, 11-braking support, 12-protection railing, 13-support panel, 14-operation platform panel, 15-enhancement bracing, 16-box culvert.
Detailed Description
The technical scheme of the utility model is further specifically described below through the embodiment and with reference to the accompanying drawings, as shown in fig. 1-9, the movable construction platform for the arc surface of the shield tunnel comprises a bottom supporting structure 1 and a top operation platform 2, wherein the bottom supporting structure 1 comprises a supporting panel 13 horizontally arranged above and a plurality of supporting legs below the supporting panel 13, each supporting leg comprises two vertical supporting legs and two inclined supporting legs, the two vertical supporting legs are vertically and parallelly arranged with respect to the supporting panel, the two inclined supporting legs are parallelly arranged, one end of each inclined supporting leg is connected with the edge of the bottom of the supporting panel, the other end of each inclined supporting leg is fixedly connected with the bottom of each vertical supporting leg, each inclined supporting leg and the bottom of the corresponding vertical supporting leg form a triangular supporting system together, the side surfaces of the upper sections of the two inclined supporting legs are respectively and vertically provided with a braking wheel 3, the bottoms of the two vertical supporting legs are respectively provided with a braking wheel 3 vertical to the ground, and the outer sides of the vertical supporting legs are provided with lateral travelling wheels 6.
The top operation platform 2 includes the operation platform panel 14 that the level set up, and operation platform panel 14 bottom is equipped with four spinal branch vaulting poles perpendicularly, has set gradually the connecting rod between four supporting legs, strengthens supporting stability. Two guard rails 12 are vertically arranged above the operation platform panel 14, the two guard rails 12 are symmetrically arranged, and the trend of the guard rails is parallel to the axial direction of the tunnel. The height of the guard rail 12 is set to be 1.2m, and the guard rail is formed by a plurality of square steel pipes and welded and fixed with an operation platform panel.
The middle section is equipped with the stiffener between two diagonal bracing legs, and diagonal bracing leg bottom links up the department with the vertical bracing leg, is equipped with the connecting rod between two joint points to reinforcing bottom sprag structure 1 overall stability. And a reinforcing diagonal brace 15 is arranged between the diagonal support leg and the reinforcing rod, between the connecting rod and the vertical support leg and between the vertical support leg and the bottom surface of the support panel, and a triangular stable support structure is formed at each structural connection position through the reinforcing diagonal brace.
The four braking wheels 3 are arranged in total, two braking wheels arranged on the outer sides of the inclined supporting legs are in contact with the side edges of the arc-shaped inner wall surfaces of the tunnel, and two braking wheels arranged at the bottoms of the vertical supporting legs are in contact with the bottoms of the arc-shaped surfaces of the tunnel in the construction space. The brake wheel 3 is fixed on the bottom supporting structure 1 through the roller seat A5, the roller seat A5 comprises a fixing piece fixed with a supporting leg, two wheel frames perpendicular to the fixing piece are arranged, the two wheel frames are arranged on two sides of the roller in parallel, holes coaxial with the center of the roller are formed in the tail ends of the wheel frames, a locating pin sequentially penetrates through the two wheel frames and the holes in the roller to locate, the locating pin is a screw with the diameter slightly smaller than that of the center hole of the roller, one end of the locating pin is fixed through a nut, and the other end of the locating pin is anchored through a pier head to ensure that the roller can freely rotate.
Be equipped with braking structure 4 on the gyro wheel seat A5, braking structure 4 is including the brake support 11 of perpendicular connection in the stationary blade below, and the brake support lower extreme is connected with brake lever 9 through the pivot, it is equipped with briquetting 10 to formulate pole 9 and be close to gyro wheel one side, and briquetting is close to gyro wheel one side and is equipped with gasket 8, the gasket is the rubber material, realizes the control to the gyro wheel in a flexible way through pushing down and lifting of brake lever, when lifting, can make braking structure reach the release state, and when the brake lever pushes down, can realize the braking state of this structure, makes its braking operation more convenient, safe.
Four lateral travelling wheels 6 are arranged in total, are symmetrically arranged outside two vertical supporting legs and are perpendicular to the vertical supporting legs, and the bottoms of the four lateral travelling wheels 6 are in contact with the outer side surface of the box culvert 16. The lateral travelling wheel 6 is fixed on the bottom supporting structure 1 through the roller seat B7, the roller seat B7 comprises a fixing sheet fixed with supporting legs, two wheel frames are perpendicular to the fixing sheet, the two wheel frames are arranged on two sides of the roller in parallel, holes coaxial with the center of the roller are formed in the tail ends of the wheel frames, a locating pin sequentially penetrates through the two wheel frames and the holes in the roller to locate, the locating pin is a screw with the diameter slightly smaller than that of the center hole of the roller, one end of the locating pin is fixed through a nut, and the other end of the locating pin is anchored through a pier head to ensure that the roller can freely rotate.
The vertical supporting legs, the inclined supporting legs, the supporting rods, the connecting rods and the reinforcing diagonal braces are all made of square steel pipes, and all the square steel pipes are welded and fixed. The support panel 13 and the operation platform panel 14 are formed by processing a 2cm thick steel plate.
The concrete use process of the structure comprises the steps that after a box culvert 16 in a shield tunnel is installed in place, the movable platform is pushed into the tunnel, the lateral travelling wheels 6 are attached to the side surfaces of the box culvert 16, the bottom braking wheels are perpendicular to the bottom of an arc-shaped section of the tunnel, the obliquely arranged braking wheels are attached to the arc surface of the inner wall of the tunnel, after a constructor pushes the movable platform into a position to be constructed in the tunnel, a braking rod on the braking wheels is pressed down, the movable platform is fixed, then the support panel 13 and a connecting rod climb up an operation platform panel 14, construction in the tunnel is completed on the operation platform panel, and the protection railing on two sides of the operation platform panel can guarantee safety of the constructor.
The protective scope of the utility model is not limited to the embodiments described above, but it will be apparent to those skilled in the art that various modifications and variations can be made in the present utility model without departing from the scope and spirit of the utility model. It is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (10)
1. A portable construction platform for shield tunnel arc surface, its characterized in that: including bottom sprag structure (1) and top operation platform (2), bottom sprag structure (1) is including being located support panel (13) that the top level set up to and be located a plurality of supporting legs of support panel (13) below, the supporting leg includes two vertical supporting legs and two diagonal bracing legs, two vertical supporting legs perpendicular to support panel parallel arrangement, two diagonal bracing leg parallel arrangement, diagonal bracing leg one end and support panel bottom edge connection, the other end is connected fixedly with vertical supporting leg bottom, two diagonal bracing leg upper segment sides are equipped with brake wheel (3) perpendicularly respectively, two vertical supporting leg bottoms are equipped with brake wheel (3) of perpendicular to ground respectively, the vertical supporting leg outside is equipped with side direction walking wheel (6).
2. A movable construction platform for a circular arc surface of a shield tunnel according to claim 1, wherein: the middle section between two diagonal support legs is provided with a reinforcing rod, the joint of the bottom of each diagonal support leg and each vertical support leg is provided with a connecting rod, and the connecting rod is arranged between the two joint points.
3. A movable construction platform for a circular arc surface of a shield tunnel according to claim 2, wherein: reinforcing diagonal braces (15) are arranged between the diagonal support legs and the reinforcing rods, between the connecting rods and the vertical support legs and between the vertical support legs and the bottom surface of the support panel.
4. A movable construction platform for a circular arc surface of a shield tunnel according to claim 1, wherein: the four braking wheels (3) are arranged in total, two braking wheels arranged on the outer sides of the inclined supporting legs are in side contact with the arc-shaped inner wall surface side of the tunnel, and two braking wheels arranged at the bottoms of the vertical supporting legs are in contact with the bottoms of the arc-shaped surfaces of the tunnel in the construction space.
5. A movable construction platform for a circular arc surface of a shield tunnel according to claim 1, wherein: four lateral travelling wheels (6) are arranged in total, are symmetrically arranged on the outer sides of the two vertical supporting legs and are perpendicular to the vertical supporting legs.
6. A movable construction platform for a circular arc surface of a shield tunnel according to claim 1, wherein: the top operation platform (2) comprises an operation platform panel (14) which is horizontally arranged, four supporting rods are vertically arranged at the bottom of the operation platform panel (14), and connecting rods are sequentially arranged between the four supporting legs.
7. The movable construction platform for the arc surface of the shield tunnel according to claim 6, wherein: two guard rails (12) are vertically arranged above the operation platform panel (14), the two guard rails (12) are symmetrically arranged, and the trend of the guard rails is parallel to the axial direction of the tunnel;
the vertical supporting legs, the inclined supporting legs, the supporting rods, the connecting rods and the reinforcing diagonal braces are all made of square steel pipes, and all the square steel pipes are welded and fixed;
the support panel (13) and the operation platform panel (14) are formed by machining a 2cm thick steel plate.
8. A movable construction platform for a circular arc surface of a shield tunnel according to claim 1, wherein: the brake wheel (3) is fixed on the bottom supporting structure (1) through the roller seat A (5), the roller seat A (5) comprises a fixing piece fixed with supporting legs, two wheel frames perpendicular to the fixing piece are arranged, the two wheel frames are arranged on two sides of the roller in parallel, holes coaxial with the center of the roller are formed in the tail ends of the wheel frames, positioning pins sequentially penetrate through the two wheel frames and the holes in the roller to position, the diameter of each positioning pin is slightly smaller than that of a screw rod in the center hole of the roller, one end of each positioning pin is fixed through a nut, and the other end of each positioning pin is anchored through a pier head.
9. The movable construction platform for the arc surface of the shield tunnel according to claim 8, wherein: the roller seat A (5) is provided with a braking structure (4), the braking structure (4) comprises a braking support (11) vertically connected below the fixing piece, the lower end of the braking support is connected with a braking rod (9) through a rotating shaft, one side, close to the roller, of the braking rod (9) is provided with a pressing block (10), one side, close to the roller, of the pressing block is provided with a gasket (8), and the gasket is made of rubber.
10. A movable construction platform for a circular arc surface of a shield tunnel according to claim 1, wherein: the lateral travelling wheel (6) is fixed on the bottom supporting structure (1) through the roller seat B (7), the roller seat B (7) comprises a fixing sheet fixed with supporting legs, two wheel frames perpendicular to the fixing sheet are arranged, the two wheel frames are arranged on two sides of the roller in parallel, holes coaxial with the center of the roller are formed in the tail ends of the wheel frames, positioning pins sequentially penetrate through the two wheel frames and the holes in the roller to position, the diameter of each positioning pin is slightly smaller than that of a screw rod in the center hole of the roller, one end of each positioning pin is fixed through a nut, and the other end of each positioning pin is anchored through a pier head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320097443.1U CN219509640U (en) | 2023-02-01 | 2023-02-01 | Movable construction platform for arc surface of shield tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320097443.1U CN219509640U (en) | 2023-02-01 | 2023-02-01 | Movable construction platform for arc surface of shield tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219509640U true CN219509640U (en) | 2023-08-11 |
Family
ID=87525921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320097443.1U Active CN219509640U (en) | 2023-02-01 | 2023-02-01 | Movable construction platform for arc surface of shield tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219509640U (en) |
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2023
- 2023-02-01 CN CN202320097443.1U patent/CN219509640U/en active Active
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