Anchoring device of bridge support

By introducing anchoring barrels, anchor pins, limit rings and push components into the bridge support anchoring device, the inflatable expansion and automatic reset characteristics are used to solve the problem of troubles in disassembly and assembly of anchor bolts, and the convenience of bridge support replacement is achieved .

CN222294691UInactive Publication Date: 2025-01-03LANZHOU JIAOTONG UNIV
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Patent Information

Application Number
CN202421029761.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-13
Publication Date
2025-01-03
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

When the anchoring device of existing bridge support needs to be replaced after long-term use, it is difficult to disassemble and assemble the anchor bolts, resulting in inconvenient replacement.

Method used

An anchoring device for bridge support is designed, including an anchoring cylinder, an anchoring pin, a limiting ring, a fixing assembly, a pushing assembly and a circular groove. The pushing assembly is used to squeeze the fixing assembly through inflation to realize the anchoring pin. The positioning and connection between the bridge support and the piers or bridges simplifies the disassembly and assembly process by utilizing the automatic reset characteristics of the thrust assembly during installation and disassembly.

Benefits of technology

The installation and disassembly of bridge bearings is more convenient, reducing the complexity of maintenance work and improving replacement efficiency.

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Abstract

The utility model discloses an anchoring device of a bridge support, which belongs to the technical field of bridge support anchoring and is characterized by comprising an anchoring cylinder, an anchoring bolt is inserted into an inner cavity of the anchoring cylinder, a limiting ring is fixedly connected to the top of the surface of the anchoring bolt, and fixing components are arranged on two sides of the inner cavity of the anchoring bolt. Fixing grooves used in cooperation with the fixing assemblies are formed in the two sides of the inner wall of the anchoring cylinder, an extruding and pushing assembly used in cooperation with the fixing assemblies is arranged in an inner cavity of the anchoring plug pin, a circular groove used in cooperation with the extruding and pushing assembly is formed in the top of the anchoring plug pin, and each fixing assembly comprises a limiting plate, a reset spring and a fixing strip. The problems that in the prior art, a bridge support is usually anchored with a pier and a bridge through anchor bolts, the bridge support needs to be replaced after being used for a long time, the anchor bolts are troublesome to disassemble and assemble, and therefore the bridge support is inconvenient to disassemble and assemble when being replaced are solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of bridge support anchoring, in particular to an anchoring device for a bridge support. Background Art

[0002] Bridge bearings are important structural components that connect the superstructure and substructure of the bridge. They are located between the bridge and the pad stone. They can reliably transfer the load and deformation borne by the superstructure of the bridge to the substructure of the bridge. They are important force transmission devices of the bridge. There are two types of bearings: fixed bearings and movable bearings. The commonly used bearing types in bridge engineering include: felt or flat bearings, plate rubber bearings, spherical bearings, steel bearings and special bearings.

[0003] At present, there is a Chinese patent with announcement number CN220665957U. The utility model relates to the field of bridge construction technology, specifically to an anchoring device of a bridge support and a bridge support, including a bridge base plate, the upper surface of the bridge base plate is fixedly connected to a first plate body, the upper surface of the first plate body is provided with a support seat body, the upper surface of the support seat body is provided with a second plate body, the surfaces of the first plate body and the second plate body are both provided with a plurality of groups of through holes, the interiors of the plurality of groups of through holes are both provided with internal threads, and the surfaces of the internal threads are threadedly connected with anchor bolts. When in use, the bridge surface applies force to the support seat body to rotate the rotating mechanism formed by the first anchor wheel and the second anchor wheel, and at the same time, the threaded hole inside the first anchor wheel and the anchor bolt can convert the rotational motion into a linear descending motion, thereby dispersing and buffering the pressure on the bridge deck, avoiding the problem that the bridge deck will also be borne by the anchor when applying force to the support seat, and the thread is easily deformed due to the pressure, and it is difficult to unscrew the deformed anchor during bridge maintenance, thereby increasing the maintenance workload.

[0004] When installing the bridge bearing, it is necessary to connect and fix the bridge bearing to the pier and the bridge, so an anchoring device is needed. The existing bridge bearing is usually anchored to the pier and the bridge through anchor bolts. The bridge bearing needs to be replaced after long-term use, and the anchor bolts are troublesome to disassemble and assemble, so it is not convenient to disassemble and assemble the bridge bearing when replacing it, which brings inconvenience to the user. Utility Model Content

[0005] The utility model provides an anchoring device for a bridge bearing, aiming to solve the problem that the bridge bearing is usually anchored to the pier and the bridge by anchor bolts, the bridge bearing needs to be replaced after long-term use, and the anchor bolts are troublesome to disassemble and assemble, so it is not convenient to disassemble and assemble the bridge bearing when replacing it, which brings inconvenience to the user.

[0006] The utility model is implemented as follows: an anchoring device for a bridge support comprises an anchoring cylinder, an inner cavity of the anchoring cylinder is plugged with an anchoring pin, the top of the surface of the anchoring pin is fixedly connected to a limit ring, both sides of the inner cavity of the anchoring pin are provided with fixing components, both sides of the inner wall of the anchoring cylinder are provided with fixing grooves used in conjunction with the fixing components, the inner cavity of the anchoring pin is provided with a squeezing and pushing component used in conjunction with the fixing component, and the top of the anchoring pin is provided with a circular groove used in conjunction with the squeezing and pushing component;

[0007] The fixing assembly includes a limit plate, a return spring and a fixing strip, wherein the side of the return spring close to the limit plate is fixedly connected to the limit plate, the side of the return spring close to the inner wall of the anchoring pin is fixedly connected to the inner wall of the anchoring pin, the side of the fixing strip close to the limit plate is fixedly connected to the limit plate, and the side of the fixing strip away from the limit plate passes through the anchoring pin and extends to the inner cavity of the fixing groove.

[0008] In order to achieve the effect of squeezing the limit plate by inflation, as a preferred anchoring device of a bridge bearing of the utility model, the squeezing and pushing assembly includes an airbag, an inflation tube and an inflation nozzle, the side of the airbag close to the limit plate is in close contact with the limit plate, the side of the airbag close to the inner wall of the anchor pin is in close contact with the inner wall of the anchor pin, the bottom of the inflation tube is connected with the top of the airbag, the top of the inflation tube passes through the anchor pin and extends to the inner cavity of the circular groove, the bottom of the inflation nozzle is connected with the top of the inflation tube, the side of the inflation nozzle close to the inner wall of the circular groove is fixedly connected to the inner wall of the circular groove, and an airtight core is arranged in the inflation nozzle.

[0009] In order to achieve the effect of limiting the position of the anchor pin when the anchor pin is inserted into the anchor tube, as a preferred anchoring device of a bridge bearing of the utility model, the front and rear sides of the inner wall of the anchor tube are fixedly connected to the limit strip, and the front and rear sides of the anchor pin are provided with limit grooves used in conjunction with the limit strips, and the surface of the limit strip is slidably connected to the inner wall of the limit groove.

[0010] In order to prevent the anchor pin from shaking in the anchor tube, as a preferred anchoring device of a bridge bearing of the utility model, the side of the anchor pin surface close to the inner wall of the anchor tube contacts the inner wall of the anchor tube.

[0011] In order to increase the effect of resetting the limit plate and the fixing bar, as a preferred anchoring device of a bridge support of the utility model, the number of the reset springs is several and evenly distributed on the front and rear sides of the limit plate close to the fixing bar.

[0012] In order to achieve the effect of preventing the limiting plate from shaking, as a preferred anchoring device of a bridge bearing of the utility model, the side of the limiting plate close to the inner wall of the anchoring pin is slidably connected to the inner wall of the anchoring pin.

[0013] In order to achieve the effect of allowing the fixing strip to pass through the inner cavity of the anchoring pin and into the fixing groove, as a preferred anchoring device of a bridge bearing of the utility model, both sides of the inner wall of the anchoring pin are provided with through grooves used in conjunction with the fixing strip, and the side of the fixing strip close to the inner wall of the through groove is slidably connected to the inner wall of the through groove, and the side of the fixing strip close to the inner wall of the fixing groove is in contact with the inner wall of the fixing groove.

[0014] In order to achieve the effect of allowing the inflation tube to penetrate into the inner cavity of the circular groove in the inner cavity of the anchor pin, as a preferred anchoring device of a bridge bearing of the utility model, a through hole for use with the inflation tube is opened at the top of the inner wall of the anchor pin, and the surface of the inflation tube is in contact with the inner wall of the through hole.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The anchoring device of the bridge support is provided with an anchoring tube, an anchoring pin, a limiting ring, a fixing assembly, a fixing groove, a squeezing and pushing assembly and a circular groove. When in use, the anchoring tube is inserted into a reserved hole of a pier or a bridge, and then the anchoring tube and the reserved hole can be fixed by anchoring glue or concrete. Then, the anchoring pin is passed through the mounting hole of the bridge support and inserted into the inner cavity of the anchoring tube, and the bottom of the limiting ring is in close contact with the mounting plate of the bridge support. Then, the squeezing and pushing assembly is inflated to squeeze the fixing assembly, so that the fixing assembly is inserted into the fixing groove to fix the anchoring pin. The position is positioned, so that the bridge bearing and the pier or bridge can be connected and anchored by the anchor pin using the limit ring and the anchor cylinder. The installation is relatively convenient. When the bridge bearing needs to be replaced, the squeezing and pushing components can be deflated to make the squeezing of the fixing components by the squeezing and pushing components. At this time, the fixing components will automatically reset, thereby moving out of the fixing groove to cancel the positioning of the anchor pin, and then the anchor pin can be pulled out of the mounting holes of the anchor cylinder and the bridge bearing, and the bridge bearing can be disassembled. The above shows that the anchoring device is relatively easy to disassemble and assemble, which brings convenience to users. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is an overall structural diagram of the anchoring device of the bridge support of the utility model;

[0018] Figure 2 This is a disassembled structural diagram of the anchoring pin and the anchoring tube in the utility model;

[0019] Figure 3It is a cross-sectional structural diagram of the anchoring tube and the anchoring pin in the utility model;

[0020] Figure 4 This is a cross-sectional view of the internal structure of the anchor tube in the utility model;

[0021] Figure 5 This is a structural diagram of the anchoring pin in the utility model after being cut away from the fixing component and the squeezing and pushing component;

[0022] Figure 6 It is a structural diagram of the fixing components in the utility model;

[0023] Figure 7 This is a structural diagram of the squeezing and pushing component in the utility model;

[0024] Figure 8 It is a schematic diagram of the installation and use of the overall structure of the utility model.

[0025] In the figure, 1. anchoring cylinder; 2. anchoring pin; 3. limiting ring; 4. fixing assembly; 401. limiting plate; 402. return spring; 403. fixing strip; 5. fixing groove; 6. pushing assembly; 601. airbag; 602. inflation tube; 603. inflation nozzle; 7. circular groove; 8. limiting strip; 9. limiting groove; 10. through groove; 11. through hole. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0027] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0028] See also Figure 1-8The utility model provides a technical solution: an anchoring device for a bridge support, comprising an anchoring cylinder 1, an anchoring pin 2 is inserted into the inner cavity of the anchoring cylinder 1, a limiting ring 3 is fixedly connected to the top of the surface of the anchoring pin 2, fixing components 4 are arranged on both sides of the inner cavity of the anchoring pin 2, fixing grooves 5 used in conjunction with the fixing components 4 are opened on both sides of the inner wall of the anchoring cylinder 1, a squeezing and pushing component 6 used in conjunction with the fixing component 4 is arranged in the inner cavity of the anchoring pin 2, and a circular groove 7 used in conjunction with the squeezing and pushing component 6 is opened on the top of the anchoring pin 2;

[0029] The fixing assembly 4 includes a limit plate 401, a return spring 402 and a fixing strip 403. The side of the return spring 402 close to the limit plate 401 is fixedly connected to the limit plate 401, the side of the return spring 402 close to the inner wall of the anchoring pin 2 is fixedly connected to the inner wall of the anchoring pin 2, the side of the fixing strip 403 close to the limit plate 401 is fixedly connected to the limit plate 401, and the side of the fixing strip 403 away from the limit plate 401 passes through the anchoring pin 2 and extends to the inner cavity of the fixing groove 5.

[0030] In this embodiment: by setting the anchor cylinder 1, the anchor pin 2, the limiting ring 3, the fixing component 4, the fixing groove 5, the squeezing component 6 and the circular groove 7, when in use, by inserting the anchor cylinder 1 into the reserved hole of the pier or the bridge, and then the anchor cylinder 1 and the reserved hole can be fixed by anchor glue or concrete, and then the anchor pin 2 is passed through the mounting hole of the bridge support and inserted into the inner cavity of the anchor cylinder 1, and the bottom of the limiting ring 3 is in close contact with the mounting plate of the bridge support, and then the squeezing component 6 is inflated to make the squeezing component 6 squeeze the fixing component 4, so that the fixing component 4 is inserted into the fixing groove 5 to fix the anchor pin 2 The fixing member 4 can be easily installed by fixing the fixing member 4 with the fixing member 4 pressed against the fixing member 4. The fixing member 4 can then be automatically reset to a position where it is removed from the fixing groove 5 and the fixing member 4 is removed ... the fixing member 4 is removed from the fixing groove 5 and the fixing member 4 is removed. The fixing member 4 can then be automatically reset to a position where the fixing member 4 is removed from the fixing groove 5 and the fixing member 4 is removed. The fixing member 4 can then be automatically reset to a position where the fixing member 4 is removed from the fixing groove 5 and the fixing member 4 is removed. The fixing member 4 can then be automatically reset to a position where the fixing member 4 is removed. The fixing member 4 can then be automatically reset to a position where the fixing member 4 is removed from the fixing groove 5 and the fixing member 4 is removed. The fixing member 4 can then be automatically reset to a position where the fixing member 4 is removed. The fixing member 4 can then be automatically reset to a position where the fixing member 4 is removed from the fixing groove 5 and the fixing member 4 is removed. The fixing member 4 can then be automatically reset to a position where the fixing member 4 is removed. The fixing member 4 can then be automatically reset to

[0031] As a technical optimization solution of the utility model, the squeezing and pushing component 6 includes an airbag 601, an inflation tube 602 and an inflation nozzle 603. The side of the airbag 601 close to the limit plate 401 is in close contact with the limit plate 401, and the side of the airbag 601 close to the inner wall of the anchoring pin 2 is in close contact with the inner wall of the anchoring pin 2. The bottom of the inflation tube 602 is connected with the top of the airbag 601, and the top of the inflation tube 602 passes through the anchoring pin 2 and extends to the inner cavity of the circular groove 7. The bottom of the inflation nozzle 603 is connected with the top of the inflation tube 602, and the side of the inflation nozzle 603 close to the inner wall of the circular groove 7 is fixedly connected to the inner wall of the circular groove 7, and the inflation nozzle 603 has its own airtight function.

[0032] In this embodiment: by providing the airbag 601, the limit plate 401 can be squeezed by inflation, by providing the inflation tube 602, gas can be transmitted, and by providing the inflation nozzle 603, the airbag 601 can be easily inflated and deflated.

[0033] As a technical optimization solution of the utility model, the front and rear sides of the inner wall of the anchor tube 1 are fixedly connected to the limit strip 8, and the front and rear sides of the anchor pin 2 are provided with a limit groove 9 used in conjunction with the limit strip 8, and the surface of the limit strip 8 is slidably connected to the inner wall of the limit groove 9.

[0034] In this embodiment, by providing the limiting strip 8 and the limiting groove 9 , the position of the anchor pin 2 can be limited when the anchor pin 2 is inserted into the anchor tube 1 .

[0035] As a technical optimization solution of the present invention, a side of the surface of the anchor pin 2 close to the inner wall of the anchor tube 1 contacts the inner wall of the anchor tube 1 .

[0036] In this embodiment, the surface of the anchor pin 2 is arranged to be close to the inner wall of the anchor tube 1 on one side thereof so as to be in contact with the inner wall of the anchor tube 1 , so as to prevent the anchor pin 2 from shaking in the anchor tube 1 .

[0037] As a technical optimization solution of the present invention, there are several return springs 402 , which are evenly distributed on the front and rear sides of the limiting plate 401 close to the fixing bar 403 .

[0038] In this embodiment, by providing a plurality of return springs 402 , the return effect of the limiting plate 401 and the fixing bar 403 can be increased.

[0039] As a technical optimization solution of the present invention, the side of the limiting plate 401 close to the inner wall of the anchoring pin 2 is slidably connected to the inner wall of the anchoring pin 2 .

[0040] In this embodiment, the limiting plate 401 is provided at one side close to the inner wall of the anchoring pin 2 and is slidably connected to the inner wall of the anchoring pin 2 so as to prevent the limiting plate 401 from shaking.

[0041] As a technical optimization solution of the utility model, through grooves 10 used in conjunction with the fixing strip 403 are opened on both sides of the inner wall of the anchoring pin 2, and the side of the fixing strip 403 close to the inner wall of the through groove 10 is slidably connected to the inner wall of the through groove 10, and the side of the fixing strip 403 close to the inner wall of the fixing groove 5 is in contact with the inner wall of the fixing groove 5.

[0042] In this embodiment: by providing a through groove 10, in order to allow the fixing bar 403 to pass through the inner cavity of the anchoring pin 2 and enter the fixing groove 5, the fixing bar 403 is slidably connected to the inner wall of the through groove 10 on one side close to the inner wall of the through groove 10, in order to prevent the fixing bar 403 from shaking, the fixing bar 403 is contacted with the inner wall of the fixing groove 5 on one side close to the inner wall of the fixing groove 5, in order to enable the fixing bar 403 to stably position the anchoring pin 2 so that the anchoring pin 2 does not move up and down.

[0043] As a technical optimization solution of the utility model, a through hole 11 for use with the air tube 602 is opened on the top of the inner wall of the anchoring pin 2, and the surface of the air tube 602 contacts the inner wall of the through hole 11.

[0044] In this embodiment, the through hole 11 is provided so that the inflation tube 602 can penetrate into the inner cavity of the circular groove 7 in the inner cavity of the anchoring pin 2 .

[0045] Working principle: First, insert the anchor tube 1 into the reserved hole of the pier or bridge, and then fix the anchor tube 1 to the reserved hole by anchoring glue or concrete, and then pass the anchor pin 2 through the mounting hole of the bridge support and insert it into the inner cavity of the anchor tube 1, and make the bottom of the limiting ring 3 in close contact with the mounting plate of the bridge support, and then inflate the airbag 601 through the inflation nozzle 603 and the inflation tube 602, so that the airbag 601 expands and squeezes the limiting plate 401, and the limiting plate 401 drives the fixing bar 403 to move and squeeze the reset spring 402, so that the fixing bar 403 is inserted into the fixing groove 5 to locate the position of the anchor pin 2, thereby using the limiting ring 3 and the anchor tube through the anchor pin 2. 1 achieves the effect of connecting and anchoring the bridge support and the pier or bridge, and the installation is relatively convenient. When the bridge support needs to be replaced, the airbag 601 can be deflated by pressing the inflation nozzle 603, so that the airbag 601 shrinks and cancels the squeezing of the limit plate 401. At this time, the reset spring 402 drives the limit plate 401 to reset through the force released after squeezing, and the limit plate 401 drives the fixing bar 403 to reset, so that the fixing bar 403 moves out of the inner cavity of the fixing groove 5 to cancel the positioning of the anchoring pin 2, and then the anchoring pin 2 is pulled out from the mounting hole of the anchor tube 1 and the bridge support, and the bridge support can be disassembled. The above shows that the anchoring device is relatively easy to disassemble and assemble, which brings convenience to users.

[0046] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An anchoring device for a bridge support, comprising an anchoring tube (1), characterized in that: The inner cavity of the anchoring cylinder (1) is plugged with an anchoring pin (2), the top of the surface of the anchoring pin (2) is fixedly connected to a limit ring (3), both sides of the inner cavity of the anchoring pin (2) are provided with fixing components (4), both sides of the inner wall of the anchoring cylinder (1) are provided with fixing grooves (5) used in conjunction with the fixing components (4), the inner cavity of the anchoring pin (2) is provided with a squeezing and pushing component (6) used in conjunction with the fixing component (4), and the top of the anchoring pin (2) is provided with a circular groove (7) used in conjunction with the squeezing and pushing component (6); The fixing assembly (4) comprises a limit plate (401), a return spring (402) and a fixing strip (403); the side of the return spring (402) close to the limit plate (401) is fixedly connected to the limit plate (401); the side of the return spring (402) close to the inner wall of the anchoring pin (2) is fixedly connected to the inner wall of the anchoring pin (2); the side of the fixing strip (403) close to the limit plate (401) is fixedly connected to the limit plate (401); the side of the fixing strip (403) away from the limit plate (401) passes through the anchoring pin (2) and extends to the inner cavity of the fixing slot (5).

2. The anchoring device for a bridge support according to claim 1, characterized in that: The squeezing and pushing assembly (6) comprises an airbag (601), an inflation tube (602) and an inflation nozzle (603); the side of the airbag (601) close to the limiting plate (401) is in close contact with the limiting plate (401); the side of the airbag (601) close to the inner wall of the anchoring pin (2) is in close contact with the inner wall of the anchoring pin (2); the bottom of the inflation tube (602) is connected to the top of the airbag (601); the top of the inflation tube (602) passes through the anchoring pin (2) and extends to the inner cavity of the circular groove (7); the bottom of the inflation nozzle (603) is connected to the top of the inflation tube (602); the side of the inflation nozzle (603) close to the inner wall of the circular groove (7) is fixedly connected to the inner wall of the circular groove (7); and an airtight core is arranged in the inflation nozzle (603).

3. The anchoring device for a bridge support according to claim 1, characterized in that: The front and rear sides of the inner wall of the anchor tube (1) are fixedly connected to a limit strip (8), and the front and rear sides of the anchor pin (2) are provided with a limit slot (9) for use with the limit strip (8), and the surface of the limit strip (8) is slidably connected to the inner wall of the limit slot (9).

4. The anchoring device for a bridge support according to claim 1, characterized in that: The side of the surface of the anchoring pin (2) close to the inner wall of the anchoring tube (1) contacts the inner wall of the anchoring tube (1).

5. The anchoring device for a bridge support according to claim 1, characterized in that: The number of the return springs (402) is several and they are evenly distributed on the front side and the rear side of the limiting plate (401) close to the fixing bar (403).

6. The anchoring device for a bridge support according to claim 1, characterized in that: The side of the limiting plate (401) close to the inner wall of the anchoring pin (2) is slidably connected to the inner wall of the anchoring pin (2).

7. The anchoring device for a bridge support according to claim 1, characterized in that: Both sides of the inner wall of the anchoring pin (2) are provided with through grooves (10) for use with the fixing strip (403); the side of the fixing strip (403) close to the inner wall of the through groove (10) is slidably connected to the inner wall of the through groove (10); and the side of the fixing strip (403) close to the inner wall of the fixing groove (5) is in contact with the inner wall of the fixing groove (5).

8. The anchoring device for a bridge support according to claim 2, characterized in that: A through hole (11) for use with an air filling tube (602) is provided at the top of the inner wall of the anchoring pin (2), and the surface of the air filling tube (602) is in contact with the inner wall of the through hole (11).

Citation Information

Patent Citations

  • Anchoring device of bridge support and bridge support

    CN220665957U