CN215804571U - Operation platform convenient to chisel hair, plant muscle in shield tunnel - Google Patents
Operation platform convenient to chisel hair, plant muscle in shield tunnel Download PDFInfo
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- CN215804571U CN215804571U CN202122086266.0U CN202122086266U CN215804571U CN 215804571 U CN215804571 U CN 215804571U CN 202122086266 U CN202122086266 U CN 202122086266U CN 215804571 U CN215804571 U CN 215804571U
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Abstract
The technical problem to be solved by the utility model is to provide an operation platform which is convenient for chiseling and embedding ribs in a shield tunnel, so that repeated scaffold installation and disassembly is avoided, a large amount of labor is saved, the construction efficiency is accelerated, and the construction safety of workers is ensured. The steel bar planting device comprises a chiseling platform, a steel bar planting platform and a connecting frame which are sequentially connected; the chiseling platforms are transversely distributed at the tops of the operating platforms and are used for chiseling the box culvert by workers; the bar planting platform is supported on the inner circular surface of the segment of the shield tunnel, and is used for carrying out bar planting operation on the inner wall of the segment by workers; the connecting frame is supported on the side vertical surface of the box culvert.
Description
Technical Field
The utility model belongs to the field of shield tunnel construction, and particularly relates to an operating platform convenient for chiseling and implanting ribs in a shield tunnel.
Background
Shield tunnel is in the work progress, along with going on of work progress, needs to carry the section of jurisdiction and the consumptive material that the shield tunnelling needs, consequently need set up the temporary road in the section of jurisdiction tunnel and carry out the transportation of construction goods and materials, and the high mode of security among the prior art is laid the box culvert at section of jurisdiction tunnel intermediate position, then pours the lane at the box culvert top. As shown in fig. 1, according to design requirements, a roughening operation is performed on concrete at a construction joint between a roadway plate and a box culvert, wherein the roughening position is located at the top end of the side surface of the box culvert and above a bracket, and ribs are planted on the inner arc surface of the pipe.
The method adopted in the past is to set up a scaffold, perform the roughening operation on the connecting surface of the middle box culvert and the roadway plate, and then stand on the segment to perform the operations of drilling holes on the inner cambered surface of the segment, planting ribs and the like.
The technical problem who exists among the above-mentioned work progress is that, the bar planting position is more, and the workman will be under construction on the section of jurisdiction inner face, always has the potential safety hazard. Along with the extension of synchronous construction working face, after the operation of accomplishing a position, the scaffold platform of artifical setting up need be demolishd, takes time and takes a lot of work.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide an operation platform which is convenient for chiseling and embedding ribs in a shield tunnel, so that repeated scaffold installation and disassembly is avoided, a large amount of labor is saved, the construction efficiency is accelerated, and the construction safety of workers is ensured.
The utility model is realized by the following technical scheme:
an operation platform convenient for chiseling and embedding bars in a shield tunnel comprises a chiseling platform, a bar embedding platform and a connecting frame which are sequentially connected;
the chiseling platforms are transversely distributed at the tops of the operating platforms and are used for chiseling the box culvert by workers;
the bar planting platform is supported on the inner circular surface of the segment of the shield tunnel, and is used for carrying out bar planting operation on the inner wall of the segment by workers;
the connecting frame is supported on the side vertical surface of the box culvert.
Furthermore, the overall contour of the steel bar planting platform is matched with the inner circle surface of the segment of the shield tunnel, the connecting frames are vertically distributed, and the steel bar planting platform, the chiseling platform and the steel bar planting platform are spliced to form a right-angle fan-shaped platform frame.
Further, the bar planting platform includes the arc member of two front and back symmetric distributions, the interior arc edge of arc member all is provided with the footboard support frame of echelonment along length direction, and the cooperation is placed a plurality of platform footboards on two footboard support frames and is formed the ladder way that supplies the workman to climb and carry out the bar planting operation.
Furthermore, the chiseling platform comprises two support cross rods which are symmetrically distributed in the front and at the back, and a plurality of platform pedals are placed on the two support cross rods in a matched mode to form a working platform for chiseling operation of workers; the connecting frame is provided with a crawling ladder along the vertical direction, and the crawling ladder is communicated with the bar planting platform and the scabbling platform.
Furthermore, a safety guardrail is arranged on the chiseling platform, a travelling wheel I is arranged on the outer side of the safety guardrail, a roller of the travelling wheel I is in contact with the top surface of a bracket of the box culvert, a travelling wheel II is arranged on the outer side surface of the supporting frame, a roller of the travelling wheel II is in contact with the side vertical surface of the box culvert, a travelling wheel III is arranged on the outer side surface of the bar planting platform, and a roller of the travelling wheel III is in contact with the inner circular surface of the duct piece; under the combined action of the travelling wheel I, the travelling wheel II and the travelling wheel III, the operating platform can move along the front and back directions of the shield tunnel.
Further, the platform pedals are scaffold pedals.
Compared with the prior art, the utility model has the following beneficial effects:
1. the operation platform comprises a chiseling platform, a steel bar planting platform and a connecting frame, the chiseling platform is transversely distributed at the top of the operation platform, the connecting frame is supported on the side vertical surface of the box culvert, and the steel bar planting platform is supported on the inner circular surface of the segment of the shield tunnel;
the chiseling platform is used for chiseling the box culvert by workers, and the bar planting platform is used for planting bars on the inner wall of the duct piece by the workers, so that the workers can conveniently and respectively carry out construction, and the safety is greatly improved;
after the integral operation platform is built, the integral operation platform can be synchronously used with shield tunneling in the construction process, repeated mounting and dismounting of scaffolds are avoided, a large amount of labor is saved, and the construction efficiency is accelerated;
2. the overall contour of the bar planting platform is matched with the inner circle surface of the segment of the shield tunnel, a plurality of platform pedals are placed on the two pedal supporting frames in a matched mode to form a ladder way for workers to climb to perform bar planting operation, and by means of the design, the bar planting platform is fully close to the inner circle surface of the segment, and a large amount of bar planting operation is conveniently performed by the workers;
3. under the combined action of the travelling wheel I, the travelling wheel II and the travelling wheel III, the operation platform can move along the front and back directions of the shield tunnel, the shield tunneling progress is guaranteed to be carried out synchronously, and when the operation platform needs to be moved to plant ribs and chisel burrs in the next working section, only a plurality of workers need to jointly push the operation platform, and the movement can be realized.
Drawings
FIG. 1 is a schematic diagram of a box culvert and segments in a shield tunnel in the prior art;
FIG. 2 is a schematic structural diagram of an operating platform according to the present invention;
FIG. 3 is a schematic diagram of the operation platform of the present invention;
in the figure: 1. connecting frame, 2, support horizontal pole, 3, safety barrier, 4, arc member, 5, pedal support frame, 6, cat ladder, 7, walking wheel I, 8, walking wheel II, 9, walking wheel III, 10, box culvert, 11, section of jurisdiction, 12, bracket.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present invention, it is to be understood that the terms "left", "right", "front", "back", "upper", "lower", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
As shown in fig. 2-3, this embodiment discloses an operation platform convenient to chisel hair in shield tunnel, bar planting, mainly include the platform of chisel hair, bar planting platform and linking frame 1, the platform transverse distribution of chisel hair is at this operation platform's top, linking frame 1 is vertical to distributing and supporting on the side facade of box culvert 10, the whole profile of bar planting platform is identical and supports on the section of jurisdiction 11 interior disc of shield tunnel with the section of jurisdiction 11 of shield tunnel, the platform of chisel hair, bar planting platform and linking frame 1 weld as an organic wholely in proper order, finally form the platform frame of right angle fan-shaped.
The chiseling platform comprises two supporting cross rods 2 which are symmetrically distributed front and back, 1-2 platform pedals are placed on the two supporting cross rods 2 in a matched mode, and the chiseling platform can enable a worker to stand at the top of the side face of the box culvert 10 to conduct chiseling operation. In order to guarantee the safety of workers, a safety guardrail 3 is further arranged on the chiseling platform to prevent the workers from falling to the lower side of the chiseling platform due to accidents.
The bar planting platform comprises two arc-shaped rod pieces 4 which are symmetrically distributed front and back, and step-shaped pedal support frames 5 are welded on the inner arc edge of each arc-shaped rod piece 4 along the length direction. The two pedal supporting frames 5 distributed at the front and the back are matched with 3-5 platform pedals with different numbers. So design, the bar planting platform forms the ladder way that supplies the workman to scramble and carry out the bar planting operation, and the workman can scramble 11 optional positions in section of jurisdiction with the help of the ladder way, and the operation of being under construction of standing that can be stable avoids the workman to stand in the past and takes place the danger that falls on precipitous pipe wall.
The left end of the chiseling platform is connected to the upper end of the connecting frame 1, the left end of the bar planting platform is connected to the lower end of the left end of the chiseling platform, a vertical crawling ladder 6 which is distributed is installed on the connecting frame 1, and the crawling ladder 6 is communicated with the bar planting platform and the chiseling platform. Through this cat ladder 6, the workman can climb to the chisel hair platform from the bar planting platform, from the chisel hair platform climbing to the bar planting platform, realizes nimble operation.
In order to ensure that the mobile operation platform stably moves along the axis of the tunnel, a group of walking wheels I7 are installed on the outer side of the left end of the safety guardrail 3, and rollers of the walking wheels I7 are vertically distributed and contact with the top surface of a bracket 12 of the box culvert 10. And a group of travelling wheels II 8 are respectively arranged at the upper end and the lower end of the outer side surface of the supporting frame, and the rollers of the travelling wheels II 8 contact the right vertical surface of the box culvert 10. And a group of travelling wheels III 9 are respectively arranged at the top and bottom ends of the outer side surface of the bar planting platform, and the rollers of the travelling wheels III 9 contact the inner circular surface of the duct piece 11. Each group of travelling wheels comprises front and back symmetrically distributed idler wheels, and under the combined action of the travelling wheels I7, the travelling wheels II 8 and the travelling wheels III 9, the operating platform can move along the front and back directions of the shield tunnel.
When the operation platform is designed, the size is determined according to the size of the space between the box culvert 10 and the duct piece 11, after the size is determined, all components of the platform frame are cut and processed by galvanized steel pipes, then welding is carried out, and finally the travelling wheels are installed at proper positions. After the operation platform is integrally formed, machinery such as a truck crane is adopted to place the operation platform in place. The platform footboard chooses the scaffold footboard of construction commonly used for use can, and both sides all are provided with the detachable couple around the scaffold footboard, and it is nimble convenient to use, can rationally dismantle the replacement on the platform frame. The specific parameters of the operation platform assembly are as follows:
when the operation platform convenient for chiseling and embedding the steel bars in the shield tunnel is used and put into operation, two operation platforms are generally needed, and the simultaneous construction operation of the left side and the right side of the box culvert 10 is ensured. Through the cat ladder, the workman can climb the chisel hair platform from the steel bar planting platform and chisel hair to box culvert 10, also can climb the steel bar planting platform from the chisel hair platform and plant the steel bar to section of jurisdiction 11, realizes nimble operation. After one workshop section operation is finished, the operation platform is pushed by 2-3 workers to move along the tunneling direction.
Claims (6)
1. An operation platform convenient for chiseling and embedding bars in a shield tunnel is characterized by comprising a chiseling platform, a bar embedding platform and a connecting frame which are sequentially connected;
the chiseling platforms are transversely distributed at the tops of the operating platforms and are used for chiseling the box culvert by workers;
the bar planting platform is supported on the inner circular surface of the segment of the shield tunnel, and is used for carrying out bar planting operation on the inner wall of the segment by workers;
the connecting frame is supported on the side vertical surface of the box culvert.
2. The operation platform according to claim 1, wherein the overall contour of the bar-planting platform is matched with the inner circle surface of the segment of the shield tunnel, the connecting frames are vertically distributed, and the bar-planting platform, the chiseling platform and the bar-planting platform are spliced to form a platform frame in a right-angle sector shape.
3. The operation platform according to claim 2, wherein the tendon-planting platform comprises two arc-shaped rod members symmetrically distributed in the front and back direction, step-shaped pedal support frames are arranged on the inner arc edges of the arc-shaped rod members along the length direction, and a plurality of platform pedals are cooperatively placed on the two pedal support frames to form a ladder way for workers to climb to perform tendon-planting operation.
4. The operation platform according to claim 3, wherein the chiseling platform comprises two support cross rods which are symmetrically distributed in the front-back direction, and a plurality of platform pedals are cooperatively placed on the two support cross rods to form a work platform for workers to perform chiseling operation; the connecting frame is provided with a crawling ladder along the vertical direction, and the crawling ladder is communicated with the bar planting platform and the scabbling platform.
5. The operation platform according to claim 4, wherein a safety guardrail is arranged on the chiseling platform, a travelling wheel I is arranged on the outer side of the safety guardrail, a roller of the travelling wheel I is in contact with the top surface of a bracket of the box culvert, a travelling wheel II is arranged on the outer side surface of the connecting frame, a roller of the travelling wheel II is in contact with the side vertical surface of the box culvert, a travelling wheel III is arranged on the outer side surface of the bar planting platform, and a roller of the travelling wheel III is in contact with the inner circular surface of the pipe piece; under the combined action of the travelling wheel I, the travelling wheel II and the travelling wheel III, the operating platform can move along the front and back directions of the shield tunnel.
6. An operation platform according to any one of claims 3-5, characterized in that the platform treads are scaffold treads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122086266.0U CN215804571U (en) | 2021-09-01 | 2021-09-01 | Operation platform convenient to chisel hair, plant muscle in shield tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122086266.0U CN215804571U (en) | 2021-09-01 | 2021-09-01 | Operation platform convenient to chisel hair, plant muscle in shield tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215804571U true CN215804571U (en) | 2022-02-11 |
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ID=80154153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122086266.0U Active CN215804571U (en) | 2021-09-01 | 2021-09-01 | Operation platform convenient to chisel hair, plant muscle in shield tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215804571U (en) |
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2021
- 2021-09-01 CN CN202122086266.0U patent/CN215804571U/en active Active
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