CN220769076U - A connect fixing device for temporary guardrail of subway tunnel construction - Google Patents
A connect fixing device for temporary guardrail of subway tunnel construction Download PDFInfo
- Publication number
- CN220769076U CN220769076U CN202322071202.2U CN202322071202U CN220769076U CN 220769076 U CN220769076 U CN 220769076U CN 202322071202 U CN202322071202 U CN 202322071202U CN 220769076 U CN220769076 U CN 220769076U
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- guardrail
- chamber
- fixing device
- tunnel construction
- subway tunnel
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- 238000010276 construction Methods 0.000 title claims abstract description 31
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000002457 bidirectional effect Effects 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 230000004888 barrier function Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The utility model discloses a connection fixing device for a temporary guardrail for subway tunnel construction, which relates to the technical field of guardrail installation, and particularly aims to solve the problems that welding operation space is small, the installation and the disassembly are inconvenient, welding parts are required to be maintained after the disassembly, and the binding mode does not meet the stability and the attractiveness; the guardrail connecting portion is hollow structure, and its inner chamber is provided with the baffle, and the baffle divide into cavity one and cavity two with the inner chamber of guardrail connecting portion, can dismantle in the cavity one and be connected with the guardrail, and stand connecting portion activity sets up in cavity two, and the technological means that these a plurality of technical characteristics constitute reaches easy dismounting and fixed effectual pleasing to the eye effect, has solved the problem that exists among the background art.
Description
Technical Field
The utility model belongs to the technical field of guardrail installation, and particularly relates to a connection fixing device for a temporary guardrail for subway tunnel construction.
Background
Along with the construction of urban roads, subway construction is increasingly frequent, a sound barrier and a guardrail are required to be installed in the subway tunnel construction process, the sound barrier and the guardrail are installed on the upper side and the lower side of an evacuation platform, the sound barrier is usually installed on the lower side of the evacuation platform, the sound barrier is used for preventing noise in the construction process from affecting the life and work of surrounding residents, the guardrail is used for enclosing a temporary construction site to facilitate construction of the construction site, and meanwhile, the protection effect is also achieved, the sound barrier is installed through upright posts, and then the guardrail is welded on the upright posts by utilizing the upright posts provided with the sound barrier, or is bound on the upright posts, so that the subway construction standard is achieved;
the connection mode of the guardrail and the upright post is difficult to dismantle and has the following defects: the welding connection is small in operation space and complicated to install, and after the temporary guard rail is removed, the welding part is required to be coated with antirust and anticorrosive paint, so that the construction period and the quality cannot be ensured; the utility model has the advantages of can not satisfy whole linearity after the ligature, ligature is connected, and is unsightly, and the train vibrations can cause it to rock during the operation, very easily cause the accident.
Therefore, there is a need to design a connection fixing device for temporary guardrails in subway tunnel construction, so as to solve the problems of difficult disassembly and unstable connection of the guardrails.
Disclosure of Invention
Aiming at the problems that the welding operation space is small, the welding operation is inconvenient to install and dismantle, welding parts are required to be maintained after the welding operation is dismantled, and the binding mode does not meet the stability and the attractiveness, the utility model provides a connecting and fixing device for a temporary guardrail for subway tunnel construction, which comprises a guardrail connecting part and a stand column connecting part which are mutually connected, wherein the guardrail connecting part is used for fixedly connecting the device with the guardrail, the stand column connecting part is used for fixedly connecting the device with the stand column of a sound barrier, and the guardrail is fixedly connected between the stand columns through the guardrail connecting part and the stand column connecting part and is used for enclosing and protecting safety in the subway construction process.
The core technical idea of the utility model is as follows: be provided with guardrail connecting portion and stand connecting portion of interconnect for these two connecting portions are with guardrail fixed connection between the stand, are used for enclosing fender and safety protection to subway work progress, and further, still the mounting is used for strengthening its being connected with the guardrail on guardrail connecting portion, sets up stand connecting portion to telescopic structure, is convenient for install and demolish, improves the efficiency of installing demolishs, and then satisfies the construction requirement.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the temporary guardrail connecting and fixing device for subway tunnel construction comprises a guardrail connecting part and a stand column connecting part which are movably connected with each other, wherein the other end of the stand column connecting part is matched with a stand column;
the guardrail connecting portion is hollow structure, and its inner chamber is provided with the baffle, and the baffle is cut apart the inner chamber of guardrail connecting portion into cavity one and cavity two, can dismantle in the cavity one and be connected with the guardrail, stand connecting portion and cavity two swing joint.
Preferably, the end part of the upright post connecting part is provided with a T-shaped chute, a T-shaped connecting seat is slidably arranged in the T-shaped chute, a telescopic structure is hinged on the T-shaped connecting seat, and the telescopic structure is rotationally connected with the second chamber.
Preferably, the telescopic structure comprises a telescopic piece and a driving piece which are connected with each other, the other end of the telescopic piece is hinged with the T-shaped connecting seat, and the driving piece is rotatably inserted into the second chamber.
Preferably, the telescopic piece comprises telescopic rods which are arranged in a crossing way, the driving piece comprises a screw rod and a threaded sleeve which are matched with each other, the threaded sleeve is arranged on the screw rod, and the telescopic rods are hinged with the threaded sleeve.
Preferably, the screw rod is provided with a bidirectional thread.
Preferably, the front end of the guardrail connecting portion is provided with a plurality of fixing pieces in a penetrating mode, and the fixing pieces are matched with the guardrail.
Preferably, the fixing member is a bolt.
Preferably, a side wall of the chamber is provided with internal threads, and the guardrail is in threaded connection with the chamber through the internal threads.
The beneficial effects of the utility model are as follows: the utility model discloses a connection fixing device for a temporary guardrail for subway tunnel construction, which is improved compared with the prior art in that:
(1) The utility model designs the guardrail connecting part and the upright post connecting part which are movably connected with each other, and the two parts are respectively connected with the guardrail and the upright post, so that the guardrail is detachably connected to the upright post, the purpose of convenient disassembly is realized, and the guardrail can be recycled, and the economic cost is reduced.
(2) The first chamber is internally provided with the internal thread, and the guardrail can be in threaded connection with the first chamber through the internal thread, so that detachable connection is realized; the first chamber is internally provided with a fixing piece penetrating through the guardrail connecting part, the fixing piece realizes the detachable connection of guardrail connection and guardrail, and the detachable connection mode of the first chamber and the second chamber can be selected according to actual cleaning in the actual construction process.
(3) According to the utility model, the upright post connecting part is movably arranged in the second chamber through the telescopic structure, and the arrangement is convenient for the installation and the disassembly of the temporary guardrail, so that workers can more conveniently and quickly install and disassemble the temporary guardrail, and the corresponding construction requirements are met.
Drawings
FIG. 1 is a view showing a complete installation of the guardrail of the present utility model;
FIG. 2 is a front view of the attachment of the anchor assembly to the guardrail of the present utility model;
FIG. 3 is a top view of the attachment of the fixture to the post of the present utility model;
FIG. 4 is a schematic view of a fixing device according to the present utility model;
FIG. 5 is a schematic cross-sectional view of a telescoping structure of the present utility model;
FIG. 6 is a cross-sectional view of a "T" shaped connector of the present utility model;
wherein: 1. a guardrail connecting part; 101. a first chamber; 102. a second chamber; 103. a fixing member; 104. a partition plate; 2. a column connecting part; a "T" shaped chute; a "T" shaped connection mount; 3. a telescoping member; 301. a telescopic rod; 4. a driving member; 401. a screw rod; 402. a screw sleeve; 5. a guardrail.
Detailed Description
In order to enable those skilled in the art to better understand the technical solution of the present utility model, the technical solution of the present utility model is further described below with reference to the accompanying drawings and examples.
Example 1:
referring to fig. 1 to 6, a connection fixing device for temporary guardrails for subway tunnel construction comprises a guardrail connecting part 1 and a stand column connecting part 2 movably connected with each other, specifically, the guardrail connecting part 1 is of a hollow cylinder structure, one end of the guardrail connecting part is opened, the open end is connected with a guardrail, the other end is provided with a through slot, the stand column connecting part 2 is movably connected with the other end of the guardrail connecting part 1 through a through hole, the through hole is matched with the stand column connecting part 2,
the upright post connecting part 2 is movably connected with the guardrail connecting part 1, and the other end of the upright post connecting part 2 is matched with the upright post, namely, the other end of the upright post connecting part 2 can be just inserted into a groove of the upright post; the guardrail connecting part 1 is detachably connected with the guardrail 5, and the upright post connecting part 2 is inserted in the upright post groove to realize the detachable installation of the guardrail 5;
the inner cavity of the guardrail connecting part 1 is provided with a baffle 104, the baffle 104 divides the inner cavity of the guardrail connecting part 1 into a first chamber 101 and a second chamber 102, the first chamber 101 is detachably connected with a guardrail 5, and specifically, the front end of the guardrail connecting part 1 is provided with a plurality of fixing pieces 103 in a penetrating way, and the fixing pieces 103 are bolts; the fixing piece 103 is matched with the guardrail 5, namely, the fixing piece 103 is twisted to enable the fixing piece to stretch and retract in the first chamber 101, so that the connecting part of the guardrail 5 is extruded, the connecting part of the guardrail 5 is connected and fastened with the guardrail connecting part 1, and detachment connection is realized;
the upright post connecting part 2 is movably arranged in the second chamber 102, specifically, the end part of the upright post connecting part 2 is provided with a T-shaped chute 201, two T-shaped connecting seats 202 are arranged in the T-shaped chute 201 in a sliding manner, a telescopic structure is hinged on the T-shaped connecting seats 202 and is rotationally connected with the second chamber 102, and the upright post connecting part 2 can be movably arranged in the second chamber 102 through the telescopic structure, namely, the upright post connecting part 2 can stretch back and forth in the second chamber 102;
the telescopic structure comprises a telescopic piece 3 and a driving piece 4 which are connected with each other, the other end of the telescopic piece is hinged with a T-shaped connecting seat 202, the driving piece 4 is rotatably inserted in a second chamber 102, the driving piece 4 drives the telescopic piece 3 to move, and the telescopic piece 3 drives the upright post connecting part 2 to stretch;
the telescopic piece 3 comprises a telescopic rod 301 which is arranged in a crossed way, the driving piece 4 comprises a screw rod 401 and two threaded sleeves 402 which are matched with each other, the threaded sleeves 402 are arranged on the screw rod 401, the telescopic rod 301 is hinged with the threaded sleeves 402, and bidirectional threads are arranged on the screw rod 401; by rotating the screw rod 401, the screw rod 401 drives the two screw sleeves 402 to move oppositely or relatively, and the two screw sleeves 402 drive the telescopic rods 301 which are arranged in a crossed manner to stretch out and draw back, so that the expansion and contraction of the upright post connecting part 2 are realized;
the use process of the preferred embodiment is as follows: firstly, connecting parts at four corners of a guardrail 5 are inserted into a first chamber 101, the connecting parts of the guardrail 5 are fixed by using a fixing piece 103, one end of the guardrail connecting part 1 is connected with the guardrail 5 more fixedly, then, a screw rod 401 is sequentially rotated to adjust the extension of a stand column connecting part 2, the stand column connecting part 2 is inserted into a stand column groove, the stand column groove is used for limiting the stand column connecting part 2 in the front-back direction, so that the guardrail 5 is limited, and after the guardrail 5 is fixedly installed, the installation process is sequentially installed with the rest guardrails;
when dismantling, first, rotate this device on four angles of guardrail 5 in proper order, specifically, rotate the withdrawal of lead screw 401 adjustment stand connecting portion 2 from the stand inslot, when stand connecting portion breaks away from the stand inslot completely, take off guardrail 5, rotatory mounting 103 again separates this device and guardrail 5, accomodates it respectively at last, waits for follow-up cyclic utilization.
For the convenience of understanding, fig. 1 is a state diagram of the installed guardrail 5, and the metal sound absorbing plate 6 and the guardrail 5 are installed at the upper and lower end positions of the front side of the evacuation platform 7 through upright posts, respectively.
Example 2:
embodiment 2 is different from embodiment 1 in that, on the basis of embodiment 1, considering that the fixing operation of the guardrail 5 by using the fixing member 103 is cumbersome and unfavorable for construction, another simpler structure can be used to realize the detachable connection between the guardrail 5 and the guardrail connecting portion, and the specific structure is as follows:
an internal thread is arranged in the first chamber 101, an external thread matched with the internal thread is arranged at the connecting end of the guardrail 5, and one end of the guardrail 5 and one end of the guardrail connecting part 1 are connected together through the internal thread and the external thread, so that the disassembly connection is realized; when the guardrail connecting part 1 is used, the guardrail connecting part 1 is directly screwed on the connecting part of the guardrail 5, and the guardrail connecting part 1 is directly rotated in the opposite direction to take off the guardrail 5 during disassembly.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (8)
1. A connect fixing device for temporary guardrail of subway tunnel construction, its characterized in that: comprises a guardrail connecting part (1) and a stand column connecting part (2) which are movably connected with each other, and the other end of the stand column connecting part (2) is matched with the stand column;
the guardrail connecting portion (1) is of a hollow structure, a partition plate (104) is arranged in the inner cavity of the guardrail connecting portion (1), the partition plate (104) divides the inner cavity of the guardrail connecting portion (1) into a first chamber (101) and a second chamber (102), the guardrail (5) is detachably connected in the first chamber (101), and the upright post connecting portion (2) is movably connected with the second chamber (102).
2. The connection fixing device for temporary guardrails for subway tunnel construction according to claim 1, wherein: the end part of the upright post connecting part (2) is provided with a T-shaped chute (201), a T-shaped connecting seat (202) is arranged in the T-shaped chute (201) in a sliding way, a telescopic structure is hinged on the T-shaped connecting seat (202), and the telescopic structure is rotationally connected with the second chamber (102).
3. The connection fixing device for temporary guardrails for subway tunnel construction according to claim 2, wherein: the telescopic structure comprises a telescopic piece (3) and a driving piece (4) which are connected with each other, the other end of the telescopic piece (3) is hinged with a T-shaped connecting seat (202), and the driving piece (4) is rotatably inserted into a second chamber (102).
4. A connection fixing device for temporary guardrails for subway tunnel construction according to claim 3, characterized in that: the telescopic part (3) comprises telescopic rods (301) which are arranged in a crossing mode, the driving part (4) comprises a screw rod (401) and a screw sleeve (402) which are matched with each other, the screw sleeve (402) is arranged on the screw rod (401), and the telescopic rods (301) are hinged with the screw sleeve (402).
5. The connection fixing device for temporary guardrails for subway tunnel construction according to claim 4, wherein: the screw rod (401) is provided with a bidirectional thread.
6. The connection fixing device for temporary guardrails for subway tunnel construction according to claim 1, wherein: the front end of the guardrail connecting part (1) is provided with a plurality of fixing pieces (103) in a penetrating way, and the fixing pieces (103) are matched with the guardrail (5).
7. The connection fixing device for temporary guardrails for subway tunnel construction according to claim 6, wherein: the fixing piece (103) is a bolt.
8. The connection fixing device for temporary guardrails for subway tunnel construction according to claim 1, wherein: the side wall of the first chamber (101) is provided with an internal thread, and the guardrail (5) is in threaded connection with the first chamber (101) through the internal thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322071202.2U CN220769076U (en) | 2023-08-03 | 2023-08-03 | A connect fixing device for temporary guardrail of subway tunnel construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322071202.2U CN220769076U (en) | 2023-08-03 | 2023-08-03 | A connect fixing device for temporary guardrail of subway tunnel construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220769076U true CN220769076U (en) | 2024-04-12 |
Family
ID=90621691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322071202.2U Active CN220769076U (en) | 2023-08-03 | 2023-08-03 | A connect fixing device for temporary guardrail of subway tunnel construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220769076U (en) |
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2023
- 2023-08-03 CN CN202322071202.2U patent/CN220769076U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |