CN222456737U - Scaffold for tunnel maintenance - Google Patents
Scaffold for tunnel maintenance Download PDFInfo
- Publication number
- CN222456737U CN222456737U CN202421131143.1U CN202421131143U CN222456737U CN 222456737 U CN222456737 U CN 222456737U CN 202421131143 U CN202421131143 U CN 202421131143U CN 222456737 U CN222456737 U CN 222456737U
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- Prior art keywords
- lifting
- scaffold
- rod
- sliding block
- tunnel
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- 238000012423 maintenance Methods 0.000 title claims abstract description 21
- 230000000712 assembly Effects 0.000 claims abstract 2
- 238000000429 assembly Methods 0.000 claims abstract 2
- 230000003028 elevating effect Effects 0.000 claims description 17
- 230000001681 protective effect Effects 0.000 claims description 4
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 230000001360 synchronised effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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- Lining And Supports For Tunnels (AREA)
Abstract
The utility model provides a scaffold for tunnel maintenance, which comprises a supporting unit, a first lifting platform and second lifting platforms, wherein the supporting unit comprises two supporting frame groups, the first lifting platform is arranged between the two supporting frame groups, the two second lifting platforms are respectively connected with the two supporting frame groups in a sliding manner and are fixedly connected through connecting rods, and lifting assemblies are connected between one supporting frame group and the corresponding second lifting platform. The utility model solves the problems of inconvenient placement and low working efficiency of the scaffold in the prior art, and the scaffold is adapted to the shape of a tunnel by arranging the first lifting table and the second lifting table, so that the scaffold is convenient for workers to operate and maintain. The work efficiency of the scaffold is improved, the utilization rate of workers is improved, and the labor time of the workers is saved.
Description
Technical Field
The utility model relates to the technical field of tunnel maintenance, in particular to a scaffold for tunnel maintenance.
Background
In order to eliminate tunnel damage and ensure the running safety of the train, the workers can maintain and repair the tunnel, namely, the tunnel maintenance. And tunnel maintenance often requires the use of scaffolding. The existing scaffold for maintaining the bridge tunnel mostly does not have a height adjusting function, the application range is small, and the hand and foot frames with height adjustment are mostly adjusted through the air cylinders, so that the scaffold is low in stability, easy to slide and has potential safety hazards.
In order to solve the problems, china patent (bulletin number: CN 214780596U) discloses an adjustable scaffold for tunnel maintenance, which comprises a base, the top four corners of the base are fixedly provided with connecting seats, the top of each connecting seat is provided with an opening, a rotating shaft is fixedly arranged in each opening, each rotating shaft is movably provided with a hydraulic lifting rod, a fixing rod positioned in the opening is connected with the upper thread of each rotating shaft, a limiting hole is formed in the bottom end of each hydraulic lifting rod, connecting blocks are fixedly arranged at the four corners of the bottom end of each table top, connecting grooves are formed in the bottom ends of the connecting blocks, and the top ends of the hydraulic lifting rods are embedded in the connecting grooves.
Above-mentioned scaffold frame is adjusted the height of mesa through the hydraulic stem, but the mesa generally all is the plane setting, but tunnel design is mostly all arch, thereby if scaffold frame is bulky, and thereby the scaffold frame of being inconvenient for is placed that mesa area is big, if scaffold frame is small, when putting into the tunnel with scaffold frame, need frequently remove the scaffold frame and carry out the protection in different positions, work efficiency is low.
Disclosure of utility model
Aiming at the defects existing in the prior art, the utility model provides a scaffold for tunnel maintenance, which solves the problems that the scaffold is inconvenient to place and has low working efficiency in the prior art.
In order to solve the above problems, the present utility model provides the following solutions:
a scaffold for tunnel maintenance, comprising:
the support unit comprises two support frame groups;
The first lifting platform is arranged between the two support frame groups;
The two second lifting tables are respectively connected with the two support frame groups in a sliding manner and fixedly connected through the connecting rods, and lifting components are connected between one support frame group and the corresponding second lifting table.
The technical principle of the utility model is as follows:
The two support frame groups support the first lifting platform and the second lifting platform and are installed in the tunnel.
The first elevating platform is convenient for the workman to maintain the higher position in tunnel, and the second elevating platform is used for maintaining the lower position in tunnel both sides simultaneously.
The two second lifting tables are driven by the lifting assembly to lift and descend simultaneously. Specifically, the lifting assembly is used for adjusting the height of one second lifting platform and simultaneously adjusting the height of the other second lifting platform under the drive of the connecting rod.
The height of the second lifting platform is adjusted, so that the second lifting platform can be suitable for workers with different heights, and the second lifting platform has a certain width, and the distance between the second lifting platform and the inner wall of a tunnel can be adjusted by changing the height of the second lifting platform, so that the workers can conveniently develop work.
Compared with the prior art, the utility model has the following beneficial effects:
1. Through setting up first elevating platform and second elevating platform for the scaffold adapts to tunnel itself shape, the worker of being convenient for operates the maintenance.
2. The device does not need to be moved, can simultaneously maintain a plurality of positions in the tunnel, provides the working efficiency of the scaffold, improves the utilization rate of workers and saves the labor time of the workers.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
FIG. 2 is a schematic structural diagram of a connection relationship between two second lifting platforms according to the present utility model;
fig. 3 is a schematic structural view of the lifting assembly of the present utility model.
In the above figures:
The lifting device comprises a supporting frame group 1, a first lifting table 2, a second lifting table 3, a base 4, a supporting rod 5, a screw rod 6, a guide rod 7, a sliding block 8, a motor 9, a moving wheel 10, an escalator 11, a protective railing 12, a bearing rod 13, a moving block 14, a vertical rod 15 and a connecting rod 16.
Detailed Description
The technical scheme of the utility model is further described below with reference to the accompanying drawings and examples.
As shown in fig. 1, an embodiment of the present utility model provides a scaffold for tunnel maintenance, including:
the support unit comprises two support frame groups 1;
The first lifting platform 2 is arranged between the two support frame groups 1;
The second lifting tables 3 are arranged, two second lifting tables 3 are respectively connected with the two support frame groups 1 in a sliding manner and fixedly connected through a connecting rod 16, and lifting components are connected between one support frame group 1 and the corresponding second lifting table 3.
In the prior art, as the table top is arranged in a plane, but most of tunnel designs are arched, if the scaffold is large in size, the area of the table top is large, so that the scaffold is inconvenient to place, and if the scaffold is small in size, when the scaffold is placed in the tunnel, the scaffold needs to be frequently moved to carry out protection at different positions, and the working efficiency is low. Failure of the mesa to accommodate the shape of the tunnel can cause a series of problems.
In order to solve the above-mentioned problem, the present embodiment provides the first elevating platform 2 and the two second elevating platforms 3, so as to better adapt to the shape of the tunnel through the difference of the positions and heights of the two.
Specifically, the detailed working process of this embodiment is as follows:
the two support frame groups 1 support the first lifting table 2 and the second lifting table 3 and are installed in the tunnel.
The first lifting platform 2 is connected between the four support rods 5 to ensure the stability of the first lifting platform 2, so that a worker can conveniently maintain the higher position of the tunnel, and the second lifting platform 3 is used for maintaining the lower positions on two sides of the tunnel.
The two second lifting tables 3 are driven by the lifting assembly to lift and descend simultaneously. Specifically, the lifting assembly is used for adjusting the height of one second lifting platform 3, and simultaneously adjusting the height of the other second lifting platform 3 under the driving of the connecting rod 16.
The height of the second lifting platform 3 is adjusted, so that the second lifting platform can be suitable for workers with different heights, on one hand, the second lifting platform 3 has a certain width, and on the other hand, the distance between the second lifting platform 3 and the inner wall of a tunnel can be adjusted by changing the height of the second lifting platform 3, so that the workers can conveniently work.
Further, the bottoms of both the bases 4 are provided with a moving wheel 10 having a locking function. Since the tunnel has a certain depth, the whole scaffold is conveniently pushed to move to be placed at a proper position for locking by arranging the moving wheel 10, and it is understood that the specific implementation of the locking function is various, the following implementation is provided as a schematic description, and in particular, the moving wheel 10 is provided with a locking piece so that the moving wheel 10 has the locking function.
Further, in order to facilitate the worker to enter the first lifting platform 2 and the second lifting platform 3, one side of one supporting rod 5 on the two supporting frame sets 1 is connected with an escalator 11. Through the setting of staircase 11, the workman of being convenient for scrambles.
In addition, the first lifting platform 2 and the two second lifting platforms 3 are respectively provided with a protective railing 12. In this embodiment, since a worker is required to climb onto the first elevating platform 2 and the two second elevating platforms 3, the first elevating platform 2 and the two second elevating platforms 3 are provided with the guard rail 12 on the three sides, and the remaining side is used for entering.
Further, the first elevating platform 2 is stepped and forms a hierarchy level with a height sequentially decreasing from the middle to both sides. The first elevating platform 2 is arranged to be stepped to better adapt to the shape of the tunnel so as to facilitate the better maintenance work of workers.
The absence of a support structure on the side of the two second lifting tables 3 remote from the support bar 5 may result in a failure of the second lifting tables 3 to safely bear load. Further, the bottom of the two second lifting tables 3 is provided with a bearing rod 13, the screw rod 6 is further in threaded connection with a moving block 14 positioned below the sliding block 8, the moving block 14 is slidably sleeved on the guide rod 7, and the moving block 14 is connected with the sliding block 8 through a vertical rod 15 and is connected with one end of the bearing rod 13.
As shown in fig. 1 and 3, the bearing rod 13 applies force to the moving block 14, the moving block 14 carries out certain bearing on the second lifting platform 3, so that the safety support of the second lifting platform 3 is ensured, and on the other hand, the bearing rod 13, the upright rod 15 and the connecting line of the second lifting platform 3 and the sliding block 8 form a triangle to form a stable structure, so that the safety of the second lifting platform 3 is further improved.
As shown in fig. 2 and 3, the present utility model also provides another embodiment, which is mainly different from the above embodiment in that, each of the two supporting frame sets 1 includes a base 4, two supporting rods 5 are disposed on top of the base 4, and the lifting assembly includes:
the screw rod 6 is rotatably arranged in one of the support rods 5;
A guide rod 7, the guide rod 7 being fixedly arranged in the other support rod 5;
The sliding block 8 is arranged between the two support rods 5 in a sliding way, one side of the sliding block 8 is connected with the screw rod 6 in a threaded way, the other side of the sliding block 8 is arranged on the guide rod 7 in a sliding way in a penetrating way, and one side of the sliding block 8 is fixedly connected with one second lifting table 3.
As shown in fig. 1 and 2, the lifting assembly is disposed in the left supporting frame set 1, and in this embodiment, four supporting rods 5 are disposed together to form a supporting unit, and two second lifting platforms 3 slide between the two corresponding supporting rods 5. Specifically, a connecting block is slidably arranged between the two support rods 5 of one support frame group 1, and the connecting block is connected with the connecting rod 16 and one of the second lifting tables 3 to realize sliding. And the transmission of the subsequent lifting assembly is facilitated.
Specifically, the working process of the lifting assembly is as follows:
The screw rod 6 rotates in one supporting rod 5 of the left supporting frame group 1, the sliding block 8 is connected with the screw rod 6 in a threaded mode, and under the rotation limit of the guide rod 7, the sliding block 8 slides upwards between the two supporting rods 5 to drive the second lifting platform 3 connected with the sliding block to move upwards, and the other second lifting platform 3 moves upwards together with the second lifting platform to realize synchronous lifting under the drive of the connecting rod 16 and the connecting block.
On the contrary, the screw rod 6 reversely rotates, the sliding block 8 is connected with the screw rod 6 in a threaded manner and under the rotation limit of the guide rod 7, the sliding block 8 downwards slides between the two support rods 5 so as to drive the second lifting platform 3 connected with the sliding block to upwards move, and the other second lifting platform 3 upwards moves together with the connection rod 16 and the connection block so as to realize synchronous descending.
Further, one end of the screw rod 6 is connected with a motor 9 positioned outside the supporting frame. The motor 9 provides power for the rotation of the screw rod 6 so as to ensure the normal operation of the lifting assembly.
The specific working process of the utility model is as follows:
The scaffold is locked after being moved into place by the moving wheel 10.
The two support frame groups 1 support the first lifting table 2 and the second lifting table 3 and are installed in the tunnel.
The first elevating platform 2 is connected between the four support rods 5 to ensure the stability of the first elevating platform 2, and the first elevating platform 2 is arranged in a stepped shape to better adapt to the shape of the tunnel.
The two second lifting tables 3 are driven by the lifting assembly to lift and descend simultaneously. Specifically, the motor 9 is started, the screw rod 6 rotates in one of the support rods 5 of the left support frame group 1, the sliding block 8 is connected with the screw rod 6 in a threaded manner, and under the rotation limit of the guide rod 7, the sliding block 8 slides upwards between the two support rods 5 so as to drive the second lifting platform 3 connected with the sliding block to move upwards, and under the drive of the connecting rod 16 and the connecting block, the other second lifting platform 3 moves upwards together with the connecting rod so as to realize synchronous lifting.
The starting motor 9 is reversed, the screw rod 6 reversely rotates, the sliding block 8 is connected with the screw rod 6 in a threaded manner and under the rotation limit of the guide rod 7, the sliding block 8 slides downwards between the two support rods 5 so as to drive the second lifting platform 3 connected with the sliding block to move upwards, and the other second lifting platform 3 moves upwards together with the second lifting platform under the drive of the connecting rod 16 and the connecting block so as to realize synchronous descending.
The bearing rods 13 are used for supporting one sides of the two second lifting tables 3 far away from the supporting rods 5, the bearing rods 13 apply force on the moving blocks 14, and the moving blocks 14 carry out certain bearing on the second lifting tables 3, so that the safe support of the second lifting tables 3 is ensured.
After the heights of the two second lifting tables 3 are adjusted, workers enter the first lifting table 2 and the two second lifting tables 3 through the escalator 11 to maintain, and the protective railing 12 protects the workers to a certain extent.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.
Claims (8)
1. Scaffold for tunnel maintenance, characterized by comprising:
the support unit comprises two support frame groups (1);
The first lifting platform (2) is arranged between the two support frame groups (1);
The two second lifting tables (3) are arranged, the two second lifting tables (3) are located below the first lifting tables (2), the two second lifting tables (3) are respectively connected with the two support frame groups (1) in a sliding mode and are fixedly connected through the connecting rods (16), and lifting assemblies are connected between one support frame group (1) and the corresponding second lifting table (3).
2. Scaffolding for tunnel maintenance according to claim 1, characterized in that both of said supporting frame sets (1) comprise a base (4), the top of the base (4) being provided with two supporting bars (5), said lifting assembly comprising:
the screw rod (6) is rotatably arranged in one supporting rod (5);
A guide rod (7), wherein the guide rod (7) is fixedly arranged in the other support rod (5);
The sliding block (8), sliding block (8) sliding arrangement is between two bracing pieces (5), and sliding block (8) one side links to each other with lead screw (6) screw thread, and the opposite side slides and wears to establish on guide bar (7), and sliding block (8) one side links to each other with one of them second elevating platform (3) is fixed.
3. Scaffold for tunnel maintenance according to claim 2, characterized in that one end of the screw (6) is connected with a motor (9) located outside the support frame.
4. Scaffolding for maintenance of tunnels according to claim 2, characterized in that the bottoms of both of said bases (4) are provided with a mobile wheel (10) with locking function.
5. Scaffolding for tunnel maintenance according to claim 2, characterized in that one side of one of the support bars (5) of both support frame sets (1) is connected with an escalator (11).
6. The scaffold for tunnel maintenance according to claim 1, wherein the first elevating platform (2) is stepped and forms a hierarchy level with a height sequentially decreasing from the middle to both sides.
7. A scaffold for tunnel maintenance according to any of claims 1-3, characterized in that the first lifting platform (2) and the two second lifting platforms (3) are provided with protective rails (12).
8. The scaffold for tunnel maintenance according to claim 2, wherein the bottoms of the two second lifting tables (3) are respectively provided with a bearing rod (13), the screw rod (6) is further in threaded connection with a moving block (14) positioned below the sliding block (8), the moving block (14) is slidably sleeved on the guide rod (7), and the moving block (14) is connected with the sliding block (8) through a vertical rod (15) and is connected with one end of the bearing rod (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421131143.1U CN222456737U (en) | 2024-05-23 | 2024-05-23 | Scaffold for tunnel maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421131143.1U CN222456737U (en) | 2024-05-23 | 2024-05-23 | Scaffold for tunnel maintenance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222456737U true CN222456737U (en) | 2025-02-11 |
Family
ID=94452146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421131143.1U Active CN222456737U (en) | 2024-05-23 | 2024-05-23 | Scaffold for tunnel maintenance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222456737U (en) |
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2024
- 2024-05-23 CN CN202421131143.1U patent/CN222456737U/en active Active
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