CN118472856A - Vertical folding sliding type pipe bracket for pipe gallery - Google Patents
Vertical folding sliding type pipe bracket for pipe gallery Download PDFInfo
- Publication number
- CN118472856A CN118472856A CN202410912290.0A CN202410912290A CN118472856A CN 118472856 A CN118472856 A CN 118472856A CN 202410912290 A CN202410912290 A CN 202410912290A CN 118472856 A CN118472856 A CN 118472856A
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- sliding
- pipe
- fixing plate
- fixing
- connecting body
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- 238000013016 damping Methods 0.000 claims abstract description 22
- 238000004891 communication Methods 0.000 abstract description 36
- 238000000034 method Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Supports For Pipes And Cables (AREA)
Abstract
The invention discloses an up-down overlapped sliding type pipe bracket for a pipe gallery, which belongs to the field of pipe gallery pipe brackets, and comprises a plurality of pipe bracket units arranged in the pipe gallery, wherein adjacent pipe bracket units are connected through fixing sheets in the transverse direction, and the adjacent pipe bracket units are connected through sliding structures in the vertical direction; the pipe support unit comprises a connecting body with a cavity inside, a first fixing plate is arranged at the top end of the connecting body, the bottom end of the connecting body is connected with a second fixing plate through a damping mechanism, and a clamping and fixing mechanism for fixing a pipeline in a pipe gallery is arranged in the cavity of the connecting body. The vertical stacking sliding type pipe bracket for the pipe gallery can combine and assemble a plurality of pipe bracket units into a whole in the transverse direction and the vertical direction, improves the stability of the pipe bracket, fixes communication pipes with different diameters and is convenient for classifying communication lines.
Description
Technical Field
The invention relates to the technical field of pipe rack and pipeline brackets, in particular to an up-down overlapped sliding type pipe bracket for a pipe rack.
Background
Pipe gallery, i.e. the corridor of a pipe. Many pipes in chemical and related industries are gathered together and deployed outside the plant or building, typically in the air, and supported by brackets to form a corridor-like appearance. With the development of economy, the urban pipe gallery is developed into an underground comprehensive pipe gallery, a tunnel space is built underground in the city, various engineering pipelines such as electric power, communication, heating power, water supply and the like are integrated, and the on-ground attachments are facilities such as an outlet, a ventilation opening and the like, so that the urban comprehensive pipe gallery is an important infrastructure and a lifeline for guaranteeing urban operation.
In pipe gallery engineering, the construction and the standardization of the communication and data transmission system have important significance, and the communication and data transmission system with reasonable standardization cannot be separated from the construction and the standardization of the communication and data transmission system whether the operation efficiency of the engineering is improved or the smooth operation of cities is guaranteed. Communication and data transmission systems are an essential part of piping work, which is responsible for the transfer of information, data and signals. With the advent of the information age, the need for high-speed transmission of information has also increased for various industries.
The circuit of communication generally sets up in the communication pipe, and the communication pipe has the effect of protection to the communication cable, but current communication pipe is generally fixed through the support, and the support passes through bolted connection with the piping lane, and this kind of support can only be applicable to the communication pipe of one kind size generally, can't fix the communication pipe of different diameter sizes. The communication cables are various, different cables can be fixed separately through a plurality of communication pipes with different diameters, the communication cables are more convenient, the up-down overlapped sliding type pipe bracket for the pipe gallery disclosed by the invention can be used for combining and fixing communication pipes with different diameters, so that the classification of communication lines is facilitated.
Disclosure of Invention
In order to solve the problems in the prior art, the invention aims to provide the up-down overlapped sliding type pipe bracket for the pipe gallery, which can be assembled and fixed for communication pipes with different diameters, so that the classification of communication lines is facilitated.
In order to achieve the above purpose, the invention provides a vertically stacked sliding type pipe bracket for a pipe gallery, which comprises a plurality of pipe bracket units arranged in the pipe gallery, wherein adjacent pipe bracket units are connected through fixing sheets in the transverse direction, and the adjacent pipe bracket units are connected through sliding structures in the vertical direction; the pipe support unit comprises a connecting body with a cavity inside, a first fixing plate is arranged at the top end of the connecting body, the bottom end of the connecting body is connected with a second fixing plate through a damping mechanism, and a clamping and fixing mechanism for fixing a pipeline in a pipe gallery is arranged in the cavity of the connecting body.
Preferably, the fixing pieces are arranged on two sides of the end heads of the connecting bodies, the fixing pieces are provided with first threaded holes, and the connecting bodies are sequentially connected through the fixing pieces in the transverse direction.
Preferably, the sliding structure comprises a sliding block, the sliding block is arranged at the bottom end of a second fixing plate, a sliding groove matched with the sliding block is formed in the top end of a first fixing plate, the sliding block is inserted in the sliding groove and is in sliding connection with the sliding groove, threaded holes II are formed in the first fixing plate and the second fixing plate, and a plurality of connecting bodies are sequentially connected in the vertical direction through the second fixing plate and the first fixing plate.
Preferably, the damping mechanism comprises a damping plate, the damping plate is arranged at the bottom end of the connecting body, and the bottom end of the damping plate is connected with the top end of the second fixing plate through the damping structure.
Preferably, the shock-absorbing structure comprises a sliding body, the sliding body is inserted in a sliding seat in a sliding manner, the sliding body is arranged at the bottom end of the shock-absorbing plate, the sliding seat is arranged at the top end of the second fixed plate, a sliding block is arranged on the side face of the sliding body, a sliding groove matched with the sliding block is formed in the sliding seat, and the sliding block is inserted in the sliding groove and is in sliding connection with the sliding groove.
Preferably, the bottom end of the sliding block is connected with the sliding seat through a hydraulic damper.
Preferably, the clamping and fixing mechanism comprises an arc surface seat, the arc surface seat is connected with one side of the cavity of the connecting body through a clamping structure, a threaded rod is arranged on the other side of the cavity of the connecting body, a clamping block is arranged at one end of the threaded rod, which is positioned in the cavity, and a rotating handle is arranged at one end of the threaded rod, which is positioned outside the cavity.
Preferably, the clamping structure comprises a sliding column and a sliding sleeve, one end of the sliding sleeve is connected with the cambered surface seat, the sliding column is inserted in the sliding sleeve and is in sliding connection with the sliding sleeve, a sliding block is arranged on the sliding column, a sliding groove matched with the sliding block is formed in the sliding sleeve, and the sliding block is arranged in the sliding groove and is in sliding connection with the sliding groove.
Preferably, the sliding column is sleeved with a spring, one end of the spring is connected with the surface of the cavity of the connector, and the other end of the spring is connected with the other end of the sliding sleeve.
Therefore, the up-down overlapped sliding type pipe bracket for the pipe gallery has the following beneficial effects:
(1) According to the invention, the pipe support units are connected into a whole in the transverse direction through the fixing sheets at the two ends of the connecting body, the mutually connected fixing sheets are locked through the bolts, the combined assembly of the pipe support units in the transverse direction is completed, and the connection stability of the pipe support units is improved;
(2) According to the invention, the first fixing plate and the second fixing plate at the bottom end of the connecting body are connected into a whole in the vertical direction, the positioning of the pipe support units in the vertical direction can be completed through the sliding structure, after the positioning, the first fixing plate and the second fixing plate are locked through bolts, the combination assembly of a plurality of pipe support units in the vertical direction is completed, and the connection stability of the pipe support units is improved;
(3) The invention can combine and assemble a plurality of pipe support units into a whole in the transverse direction and the vertical direction, improves the stability of the pipe support, and can fix communication pipes with different diameters through the clamping and fixing mechanism, thereby being convenient for classifying communication lines.
The technical scheme of the invention is further described in detail through the drawings and the embodiments.
Drawings
FIG. 1 is a schematic view of a vertical connection of a tube stand unit according to an embodiment of the present invention;
FIG. 2 is a schematic view showing a transverse direction structure of a tube stand unit according to an embodiment of the present invention;
FIG. 3 is a perspective view of a connector according to an embodiment of the present invention;
FIG. 4 is a schematic view of a shock absorbing mechanism according to an embodiment of the present invention;
fig. 5 is a schematic view of a clamping and fixing mechanism according to an embodiment of the invention.
Reference numerals
1. A connecting body; 2. a fixing piece; 3. a first threaded hole; 4. a first fixing plate; 5. a second fixing plate; 6. a slide block; 7. a chute; 8. a threaded hole II; 9. a shock absorbing plate; 10. a sliding body; 11. a sliding seat; 12. a sliding block; 13. a sliding groove; 14. a hydraulic damper; 15. a cavity; 16. a cambered surface seat; 17. a sliding column; 18. a sliding sleeve; 19. a sliding block; 20. a slip groove; 21. a spring; 22. a threaded rod; 23. a clamping block; 24. the handle is rotated.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application more apparent, the embodiments of the present application will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the detailed description and specific examples, while indicating the embodiment of the application, are intended for purposes of illustration only and are not intended to limit the scope of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application. Examples of the embodiments are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements throughout or elements having like or similar functionality.
It should be noted that the terms "comprises" and "comprising," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or server that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed or inherent to such process, method, article, or apparatus, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "upper", "lower", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in use, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1, the up-down stacking sliding type pipe bracket for the pipe gallery comprises a plurality of pipe bracket units arranged in the pipe gallery, wherein adjacent pipe bracket units are connected in the transverse direction through fixing pieces 2. The pipe support unit comprises connecting bodies 1, wherein cavities 15 are formed in the connecting bodies 1, four fixing pieces 2 are arranged on each connecting body 1, two fixing pieces 2 are symmetrically arranged on two sides of one end of each connecting body 1, and the other two fixing pieces 2 are symmetrically arranged on two sides of the other end of each connecting body 1. As shown in fig. 2, the fixing piece 2 is provided with a first threaded hole 3, and a bolt can be inserted into the first threaded hole 3. The connecting bodies 1 are sequentially connected in the transverse direction through the fixing sheets 2, the mutually connected fixing sheets 2 are locked through bolts, and the combination assembly of the pipe support units in the transverse direction is completed.
Adjacent tube holder units are connected in the vertical direction by a sliding structure. As shown in fig. 1 and 3, a first fixing plate 4 is arranged at the top end of the connector 1, the first fixing plate 4 and the connector 1 are of an integrated structure, and the bottom end of the connector 1 is connected with a second fixing plate 5 through a damping mechanism. The sliding structure comprises a sliding block 6, and the sliding block 6 is arranged at the bottom end of the second fixing plate 5. The top of the first fixed plate 4 is provided with a sliding groove 7 matched with the sliding block 6, and the sliding block 6 is inserted in the sliding groove 7 and is in sliding connection with the sliding groove 7. Screw holes II 8 are formed in the first fixing plate 4 and the second fixing plate 5, and the plurality of connecting bodies 1 are sequentially connected in the vertical direction through the second fixing plate 5 and the first fixing plate 4. After the pipe support unit at the lowest layer is fixed, the slide block 6 of the fixing plate II 5 of the other pipe support unit is inserted into the slide groove 7 of the fixing plate I4 of the pipe support unit at the lowest layer in a sliding manner, positioning is completed after the slide block is inserted into the slide groove, then the fixing plate II 5 and the fixing plate I4 are locked through bolts, fixing is completed, the slide blocks are sequentially arranged upwards, and combination assembly of a plurality of pipe support units in the vertical direction can be completed.
The second fixing plate 5 of the connector 1 at the lowest layer is connected with a bracket fixing seat in the pipe gallery through a sliding structure, and the bracket fixing seat can be directly locked with the ground of the pipe gallery through bolts; the second fixing plate 5 of the connector 1 at the lowest layer is directly locked with the ground of the pipe gallery through a sliding structure and bolts. The top end of the first fixing plate 4 of the connector 1 positioned at the uppermost layer is locked and connected with the top end of the pipe gallery through a sliding structure and a bolt. After the combination and assembly of the pipe support units are completed, the pipe support units in the whole pipe gallery form a whole, and the pipe support units are more stable.
As shown in fig. 4, the damping mechanism includes a damping plate 9, the damping plate 9 is disposed at the bottom end of the connector 1, and the bottom end of the damping plate 9 is connected with the top end of the second fixing plate 5 through the damping structure. The shock-absorbing structure comprises a sliding body 10, the sliding body 10 is inserted in a sliding seat 11 in a sliding mode, the sliding body 10 is arranged at the bottom end of a shock-absorbing plate 9, the sliding seat 11 is arranged at the top end of a second fixing plate 5, a sliding block 12 is arranged on the side face of the sliding body 10, a sliding groove 13 matched with the sliding block 12 is formed in the sliding seat 11, and the sliding block 12 is inserted in the sliding groove 13 and is in sliding connection with the sliding groove 13. The bottom end of the sliding block 12 is connected with the sliding seat 11 through a hydraulic damper 14. When vibration occurs, the damping plate 9 moves downwards to drive the sliding body 10 to slide in the sliding seat 11, the sliding block 12 slides in the sliding groove 13, the sliding body 10 downwards extrudes the hydraulic damper 14, the hydraulic damper 14 plays a role in damping, the pipe support unit has a damping effect, and the influence of vibration on the fixing stability of the communication pipe is reduced.
A clamping and fixing mechanism for fixing the pipeline in the pipe gallery is arranged in the cavity 15 of the connector 1. As shown in fig. 5, the clamping and fixing mechanism comprises a cambered surface seat 16, and the cambered surface seat 16 is connected with one side of the cavity 15 of the connector 1 through a clamping structure. The other side of the cavity 15 of the connector 1 is provided with a threaded rod 22, one end of the threaded rod 22 positioned in the cavity 15 is provided with a clamping block 23, and one end of the threaded rod 22 positioned outside the cavity 15 is provided with a rotating handle 24. The clamping structure comprises a sliding column 17 and a sliding sleeve 18, one end of the sliding sleeve 18 is connected with the cambered surface seat 16, and the sliding column 17 is inserted into the sliding sleeve 18 and is in sliding connection with the sliding sleeve 18. The sliding column 17 is provided with a sliding block 19, a sliding groove 20 matched with the sliding block 19 is arranged in the sliding sleeve 18, and the sliding block 19 is arranged in the sliding groove 20 and is in sliding connection with the sliding groove 20. The sliding column 17 is sleeved with a spring 21, one end of the spring 21 is connected with the surface of the cavity 15 of the connector 1, and the other end of the spring 21 is connected with the other end of the sliding sleeve 18.
When the novel communication pipe is used, the communication pipe is placed in the cavity 15 of the connector 1, the communication pipe is placed in the cambered surface of the cambered surface seat 16, then the handle is rotated, the threaded rod 22 is driven to move inwards, and the clamping block 23 is driven to move inwards, so that pressure is applied to the communication pipe. The communication pipe is pressed to the cambered surface seat 16, the cambered surface face extrudes the sliding sleeve 18, the sliding column 17 slides into the sliding sleeve 18, the spring 21 on the sliding column 17 is extruded, the spring 21 provides opposite elasticity, the cambered surface seat 16 is matched with the clamping block 23 to clamp the communication pipe, the structure can be suitable for communication pipes with various different diameters, different cables can be separated and fixed through the communication pipes with different diameters, and the classification of communication lines is convenient. The bending part of the pipe gallery can be directly connected with the connecting body by adopting the existing bent pipe through bolts.
Therefore, the vertical stacking sliding type pipe bracket for the pipe gallery can combine and assemble a plurality of pipe bracket units into a whole in the transverse direction and the vertical direction, so that the stability of the pipe bracket is improved, communication pipes with different diameters are fixed, and the classification of communication lines is facilitated.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention and not for limiting it, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that: the technical scheme of the invention can be modified or replaced by the same, and the modified technical scheme cannot deviate from the spirit and scope of the technical scheme of the invention.
Claims (9)
1. The utility model provides a pipe gallery is with folding sliding type pipe support from top to bottom which characterized in that: the pipe rack comprises a plurality of pipe rack units arranged in a pipe gallery, wherein adjacent pipe rack units are connected through fixing sheets in the transverse direction, and the adjacent pipe rack units are connected through sliding structures in the vertical direction; the pipe support unit comprises a connecting body with a cavity inside, a first fixing plate is arranged at the top end of the connecting body, the bottom end of the connecting body is connected with a second fixing plate through a damping mechanism, and a clamping and fixing mechanism for fixing a pipeline in a pipe gallery is arranged in the cavity of the connecting body.
2. The up-down stacking sliding tube support for a tube rack of claim 1, wherein: the stationary blade sets up in the both sides of connector end, is provided with screw hole one on the stationary blade, and a plurality of connectors are connected gradually through the stationary blade in the transverse direction.
3. The up-down stacking sliding tube support for a tube rack of claim 1, wherein: the sliding structure comprises a sliding block, the sliding block is arranged at the bottom end of a second fixing plate, a sliding groove matched with the sliding block is formed in the top end of a first fixing plate, the sliding block is inserted in the sliding groove and is in sliding connection with the sliding groove, threaded holes are formed in the first fixing plate and the second fixing plate, and a plurality of connecting bodies are sequentially connected in the vertical direction through the second fixing plate and the first fixing plate.
4. The up-down stacking sliding tube support for a tube rack of claim 1, wherein: the damping mechanism comprises a damping plate, the damping plate is arranged at the bottom end of the connecting body, and the bottom end of the damping plate is connected with the top end of the second fixing plate through a damping structure.
5. The up-down stacking sliding tube support for tube rack of claim 4, wherein: the shock-absorbing structure comprises a sliding body, the sliding body is inserted in a sliding seat in a sliding manner, the sliding body is arranged at the bottom end of a shock-absorbing plate, the sliding seat is arranged at the top end of a second fixed plate, a sliding block is arranged on the side face of the sliding body, a sliding groove matched with the sliding block is formed in the sliding seat, and the sliding block is inserted in the sliding groove and is in sliding connection with the sliding groove.
6. The up-down stacking sliding tube support for a tube rack of claim 5, wherein: the bottom of the sliding block is connected with the sliding seat through a hydraulic damper.
7. The up-down stacking sliding tube support for a tube rack of claim 1, wherein: the clamping and fixing mechanism comprises an arc surface seat, the arc surface seat is connected with one side of the cavity of the connecting body through a clamping structure, a threaded rod is arranged on the other side of the cavity of the connecting body, a clamping block is arranged at one end of the threaded rod, which is positioned in the cavity, and a rotating handle is arranged at one end of the threaded rod, which is positioned outside the cavity.
8. The up-down stacking sliding tube support for a tube rack of claim 7, wherein: the clamping structure comprises a sliding column and a sliding sleeve, wherein one end of the sliding sleeve is connected with the cambered surface seat, the sliding column is inserted in the sliding sleeve and is in sliding connection with the sliding sleeve, a sliding block is arranged on the sliding column, a sliding groove matched with the sliding block is formed in the sliding sleeve, and the sliding block is arranged in the sliding groove and is in sliding connection with the sliding groove.
9. The up-down stacking sliding tube support for a tube rack of claim 8, wherein: the sliding column is sleeved with a spring, one end of the spring is connected with the surface of the cavity of the connector, and the other end of the spring is connected with the other end of the sliding sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410912290.0A CN118472856A (en) | 2024-07-09 | 2024-07-09 | Vertical folding sliding type pipe bracket for pipe gallery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410912290.0A CN118472856A (en) | 2024-07-09 | 2024-07-09 | Vertical folding sliding type pipe bracket for pipe gallery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118472856A true CN118472856A (en) | 2024-08-09 |
Family
ID=92153707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410912290.0A Pending CN118472856A (en) | 2024-07-09 | 2024-07-09 | Vertical folding sliding type pipe bracket for pipe gallery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118472856A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997042079A1 (en) * | 1996-05-08 | 1997-11-13 | Dalwell Ab | Method and apparatus for packaging series of articles in different formations |
| US20070128939A1 (en) * | 2004-05-10 | 2007-06-07 | Andrew Corporation | Stackable Cable Hanger |
| DE102007061425A1 (en) * | 2007-12-20 | 2009-07-02 | Airbus Deutschland Gmbh | Holder for fixing e.g. electrical line, in fuselage cell structure of aircraft, has upper part connected with lower part enclosing head region of ring pants for fixing holder, where upper part and/or lower part includes functional element |
| CN105422129A (en) * | 2015-12-21 | 2016-03-23 | 南京联众建设工程技术有限公司 | Splicing structure used for combined type tunnel lining, culvert or comprehensive pipe gallery |
| CN214744110U (en) * | 2020-08-19 | 2021-11-16 | 中化学交通建设集团市政工程有限公司 | City utility tunnel's antidetonation support |
| CN215371302U (en) * | 2021-08-10 | 2021-12-31 | 四川特尔固抗震材料有限公司 | Heavy support of city utility tunnel heating power |
| CN114640066A (en) * | 2022-04-20 | 2022-06-17 | 国网湖北省电力有限公司咸宁供电公司 | Cable duct bank segment and cable duct bank module |
-
2024
- 2024-07-09 CN CN202410912290.0A patent/CN118472856A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997042079A1 (en) * | 1996-05-08 | 1997-11-13 | Dalwell Ab | Method and apparatus for packaging series of articles in different formations |
| US20070128939A1 (en) * | 2004-05-10 | 2007-06-07 | Andrew Corporation | Stackable Cable Hanger |
| DE102007061425A1 (en) * | 2007-12-20 | 2009-07-02 | Airbus Deutschland Gmbh | Holder for fixing e.g. electrical line, in fuselage cell structure of aircraft, has upper part connected with lower part enclosing head region of ring pants for fixing holder, where upper part and/or lower part includes functional element |
| CN105422129A (en) * | 2015-12-21 | 2016-03-23 | 南京联众建设工程技术有限公司 | Splicing structure used for combined type tunnel lining, culvert or comprehensive pipe gallery |
| CN214744110U (en) * | 2020-08-19 | 2021-11-16 | 中化学交通建设集团市政工程有限公司 | City utility tunnel's antidetonation support |
| CN215371302U (en) * | 2021-08-10 | 2021-12-31 | 四川特尔固抗震材料有限公司 | Heavy support of city utility tunnel heating power |
| CN114640066A (en) * | 2022-04-20 | 2022-06-17 | 国网湖北省电力有限公司咸宁供电公司 | Cable duct bank segment and cable duct bank module |
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