CN222541292U - A double-limb thin-wall pier No. 0 block bracket embedded part and bracket - Google Patents
A double-limb thin-wall pier No. 0 block bracket embedded part and bracket Download PDFInfo
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- CN222541292U CN222541292U CN202421044387.6U CN202421044387U CN222541292U CN 222541292 U CN222541292 U CN 222541292U CN 202421044387 U CN202421044387 U CN 202421044387U CN 222541292 U CN222541292 U CN 222541292U
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- 238000009434 installation Methods 0.000 claims description 15
- 238000010276 construction Methods 0.000 abstract description 24
- 238000005452 bending Methods 0.000 abstract description 6
- 238000010008 shearing Methods 0.000 description 14
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000004567 concrete Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of bridge construction, in particular to a double-limb thin-wall pier No. 0 block bracket embedded part and a bracket, comprising a bracket embedded part, wherein the bracket embedded part is at least two groups of bracket embedded parts which are respectively arranged at the upper end and the lower end of a pier body along the vertical direction of the pier body; the embedded box is positioned in the pier body, the shear member pull rod can fixedly connect the embedded boxes and the shear members at two sides of the pier body, and when the bracket embedded member is stressed, the force can be transmitted to the embedded boxes and the shear members at two sides through the pull rod, so that the bracket embedded member can bear larger bending shear stress.
Description
Technical Field
The utility model relates to the technical field of bridge construction, in particular to a double-limb thin-wall pier No. 0 block bracket embedded part and a bracket.
Background
The thin-wall pier is mainly divided into reinforced concrete thin-wall pier, double-wall pier and V-shaped pier, and is widely applied to highway bridge construction in China, and the thin-wall pier has the advantages of saving materials, reducing the dead weight of the pier, being high in bearing capacity and the like.
In bridge construction, install the bracket in the structure that thin wall mound and hanging basket combine, for traditional console mode support, the bracket utilizes the concrete pier shaft to bear upper portion load weight, has formed from steady system, does not occupy pier shaft lower part space, has practiced thrift the construction land, has reduced complicated console mode support and has set up, can effectively save material, simple process, installation rate is fast, safe and reliable degree is high, is showing advantages such as improvement work efficiency, simultaneously can reduce construction cost.
And the position of the whole thin-wall pier bracket embedded part needs to bear larger bending shear stress, so that the bracket embedded part is installed, and the construction quality and safety of the bracket embedded part bearing the No. 0 block and even the whole bridge are concerned.
Correspondingly, it is necessary to design a double-limb thin-wall pier No. 0 bracket embedded part and a bracket, wherein the bracket embedded part has larger bending shear rigidity, can ensure the construction safety of the No. 0 bracket, and can also help the bracket to better support a bridge.
Disclosure of utility model
The utility model aims to overcome the defects in the prior art, and provides the embedded part of the double-limb thin-wall pier No. 0 bracket and the bracket, wherein the embedded part of the bracket has larger bending shear rigidity, can ensure the construction safety of the No. 0 bracket, and can also help the bracket to better support a bridge.
In order to achieve the purpose, the technical scheme adopted by the utility model is that the embedded part of the double-limb thin-wall pier No. 0 bracket comprises embedded boxes positioned at two sides of a pier body, wherein each embedded box comprises a mounting groove and mounting plates positioned at two sides of the mounting groove, one side of the mounting groove, which is far away from the mounting plates, is embedded into the pier body, an opening is formed at the other side of the mounting groove, and mounting holes are formed in the mounting plates;
The embedded box comprises a shear member matched with the embedded box, wherein the shear member comprises an installation part clamped into an opening and an installation frame capable of being abutted with an installation plate, and the installation frame is provided with a connecting hole;
The embedded box and the shear member are locked on two sides of the pier body through nuts.
As a preferable scheme of the utility model, the shearing member comprises a mounting frame positioned at the top of the shearing member, a mounting space for receiving other components is formed in the middle of the mounting frame, and a round hole for facilitating connection with the other components is formed in the mounting frame.
As a preferable scheme of the utility model, one side of the mounting frame facing the embedded box is abutted against the surface of the pier body.
A double-limb thin-wall pier No. 0 block bracket comprises a bracket embedded part,
At least two groups of bracket embedded parts are distributed along the vertical direction of the pier body, one group of bracket embedded parts are positioned at the upper end of the pier body, and the other group of bracket embedded parts are positioned at the lower end of the pier body;
The bracket comprises a bracket cross rod, wherein one end of the bracket cross rod is fixedly connected with the bracket embedded part at the upper end;
The bracket embedded part comprises a bracket inclined rod, wherein one end of the bracket inclined rod is fixedly connected with the lower end of the bracket embedded part, and the other end of the bracket inclined rod is fixedly connected with the other end of the bracket embedded part, which is far away from the upper end, of the bracket cross rod.
As a preferable scheme of the utility model, the bracket comprises a bracket tie rod, wherein the lower end of the bracket tie rod is fixedly connected with the middle part of the bracket diagonal rod, the upper end of the bracket tie rod is fixedly connected with the middle part of the bracket cross rod, and the bracket tie rod is arranged perpendicular to the bracket cross rod.
As a preferable scheme of the utility model, the bracket diagonal rods are obliquely arranged at two sides of the pier body, and the angle between the bracket diagonal rods and the pier body is 20-45 degrees.
As a preferred embodiment of the present utility model, the bracket cross bar includes a first connecting member disposed toward the bracket diagonal direction and a second connecting member disposed toward the bracket tie bar direction, and the first connecting member and the second connecting member are disposed perpendicular to the bracket cross bar.
As a preferable scheme of the utility model, the first connecting piece comprises a first bearing space capable of bearing the end part of the bracket diagonal rod and a first supporting piece capable of clamping the end part of the bracket diagonal rod, a first through hole which is convenient for connecting the first connecting piece with the end part of the bracket diagonal rod is formed in the first supporting piece, the second connecting piece comprises a second bearing space capable of bearing the end part of the bracket tie rod and a second supporting piece capable of clamping the end part of the bracket tie rod, and a second through hole which is convenient for connecting the second connecting piece with the end part of the bracket tie rod is formed in the second supporting piece.
As a preferred embodiment of the utility model, the bracket diagonal comprises a third connecting element arranged in the direction of the bracket tie bar, which third connecting element runs perpendicular to the bracket diagonal. As a preferred embodiment of the present utility model, the following
As a preferred mode of the utility model, the third connecting piece comprises a third bearing space capable of bearing the end part of the bracket diagonal rod and a third supporting piece capable of clamping the end part of the bracket diagonal rod, and a third through hole which is convenient for connecting the third connecting piece with the end part of the bracket diagonal rod is formed on the third supporting piece.
The beneficial effects of the utility model are as follows:
1. The bracket embedded part adopts a combination mode of the embedded boxes and the shearing force parts, and the embedded boxes are positioned in the pier body, and the shearing force part pull rod can fixedly connect the embedded boxes and the shearing force parts at two sides of the pier body, so that when the bracket embedded part is stressed, the force can be transmitted to the embedded boxes and the shearing force parts at two sides through the pull rod, and the bracket embedded part can bear larger bending shear rigidity.
2. The bracket ensures the construction progress through the bracket embedded part, is simple in construction operation, can be directly disassembled, has short dead time, solves the problem that the bracket is difficult to disassemble in the later stage, does not need to cut the bracket welded well like a traditional structure, and greatly simplifies the construction process.
3. The bracket embedded part consists of the embedded box, the shearing force part and the shearing force part pull rod, is embedded in the pier body through the embedded box, and is sequentially provided with the shearing force part and the shearing force part pull rod, so that the bracket embedded part can be stably fixed on two sides of the pier body, the bracket embedded part is simple to install and convenient to detach, the dead time is short, the construction progress is accelerated, the construction quality is ensured, the input quantity of manual and material equipment is reduced, and the construction efficiency is greatly improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a side view of the pre-buried box of the present utility model;
FIG. 3 is a top view of the pre-buried box of the present utility model;
FIG. 4 is a front view of a shear member of the present utility model;
FIG. 5 is a side view of a shear member of the present utility model;
FIG. 6 is a top view of a shear member of the present utility model;
FIG. 7 is a front view of a carrier rail of the present utility model;
FIG. 8 is a bottom view of the bracket rail of the present utility model;
FIG. 9 is a schematic view of the connection of the bracket diagonal of the present utility model;
FIG. 10 is a side view of the bracket diagonal of the present utility model;
In the drawing, reference numerals are given to a bracket embedded part 1, a bracket cross bar 2, a bracket diagonal rod 3, a bracket tie rod 4, a pier body 5, an embedded box 11, a shear part 12, a shear part pull rod 13, a first connecting part 21, a second connecting part 22, a third connecting part 31, a mounting groove 111, a mounting plate 112, a mounting part 121, a mounting frame 122, a mounting frame 123, a first bearing space 211, a first support 212, a first through hole 213, a second bearing space 221, a second support 222, a second through hole 223, a third bearing space 311, a third support 312, a third through hole 313, an opening 1111, a mounting hole 1121, a connecting hole 1221, a round hole 1231 and a mounting space 1232.
Detailed Description
The technical solutions of the embodiments of the present utility model will be explained and illustrated below with reference to the drawings of the embodiments of the present utility model, but the following embodiments are only preferred embodiments of the present utility model, and not all embodiments. Based on the examples in the implementation manner, other examples obtained by a person skilled in the art without making creative efforts fall within the protection scope of the present utility model.
In the following description, directional or positional relationships such as the terms "inner", "outer", "upper", "lower", "left", "right", etc., are presented for convenience in describing the embodiments and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model.
As shown in fig. 1-6, a double-limb thin-wall pier 0 block bracket embedded part comprises embedded boxes 11 positioned at two sides of a pier body, wherein each embedded box 11 comprises a mounting groove 111 and mounting plates 112 positioned at two sides of the mounting groove 111, one side, far away from the mounting plates 112, of the mounting groove 111 is embedded into the pier body 5, an opening 1111 is formed at the other side of the mounting groove 111, and mounting holes 1121 are formed in the mounting plates 112;
The shear member 12 is matched with the embedded box 11, the shear member 12 comprises a mounting part 121 clamped into an opening 1111 and a mounting frame 122 capable of being abutted against the mounting plate 112, and a connecting hole 1221 is formed in the mounting frame 122;
The embedded box comprises a shear member pull rod 13, wherein two ends of the shear member pull rod 13 respectively enter a mounting hole 1121 and a connecting hole 1221 on one side of a pier body, and an embedded box 11 and a shear member 12 are locked on two sides of the pier body through nuts.
The bracket embedded part is composed of the embedded box 11, the shear part 12 and the shear part pull rod 13, is embedded in the pier body through the embedded box 11, and the shear part 12 and the shear part pull rod 13 are sequentially installed on the embedded box 11, so that the bracket embedded part can be stably fixed on two sides of the pier body, the installation is simple, the disassembly is convenient, the dead time is short, the construction progress is accelerated, the construction quality is ensured, the investment quantity of manpower and material equipment is reduced, and the construction efficiency is greatly improved.
The bracket embedded part adopts a combination mode of the embedded box 11 and the shearing force part 12, the embedded box 11 is positioned in the pier body 5, and the shearing force part pull rod 13 can fixedly connect the embedded boxes 11 and the shearing force parts 12 at two sides of the pier body 5, so that when the bracket embedded part is stressed, the force can be transmitted to the embedded boxes 11 and the shearing force parts 12 at two sides through the pull rod 13, and the bracket embedded part can bear larger bending shear rigidity.
In order to facilitate connection of the embedded part of the bracket and other structures of the bracket, a bracket capable of bearing the No. 0 block is formed, the shear part 12 comprises a mounting frame 123 positioned at the top of the shear part 12, a mounting space 1232 for bearing other parts is formed in the middle of the mounting frame 123, and a round hole 1231 for facilitating connection with the other parts is formed in the mounting frame 123.
The lower end of one side of the mounting frame 122 facing the embedded box 11 can be abutted against the surface of the pier body 5, so that the bracket embedded part can be stably fixed on the pier body 5.
The bracket comprises bracket embedded parts 1, wherein the bracket embedded parts 1 are at least arranged in two groups along the vertical direction of a pier body, one group of bracket embedded parts 1 are positioned at the upper end of the pier body, the other group of bracket embedded parts 1 are positioned at the lower end of the pier body, the bracket embedded parts comprise bracket cross bars 2, one ends of the bracket cross bars 2 are fixedly connected with the bracket embedded parts 1 at the upper ends, the bracket embedded parts comprise bracket inclined bars 3, one ends of the bracket inclined bars 3 are fixedly connected with the bracket embedded parts 1 at the lower ends, the other ends of the bracket inclined bars 3 are fixedly connected with the bracket cross bars 2 at the other ends of the bracket embedded parts 1 far away from the upper ends, the bracket connecting bars 4 are fixedly connected with the middle parts of the bracket inclined bars 3, the upper ends of the bracket connecting bars 4 are fixedly connected with the middle parts of the bracket cross bars 2, and the bracket connecting bars 4 are arranged perpendicular to the bracket cross bars 2.
The upper bracket embedded part 1 and the lower bracket embedded part 1 bear the installation among the bracket cross rod 2, the bracket diagonal rod 3 and the bracket tie rod 4 to form a complete bracket, the brackets are positioned on two sides of the pier body 5, the bracket also serves as a construction support frame for the pier top of the No. 0 block while supporting the pier body 5, and a plurality of pier bodies 5 can be connected through the prolonged bracket cross rod 2.
The bracket ensures the construction progress through the bracket embedded part 1, is simple in construction operation, can be directly disassembled, has short dead time, solves the problem that the bracket is difficult to disassemble in the later stage, does not need to cut the bracket welded well like a traditional structure, and greatly simplifies the construction process.
The bracket diagonal rods 3 are obliquely arranged on two sides of the pier body 5, and the angle between the bracket diagonal rods 3 and the pier body 5 is 20-45 degrees, so that the position of the bracket diagonal rods 3 is limited, the bracket size is maintained to be a certain size, and the bracket diagonal rods are convenient to detach and install.
The bracket cross bar 2 comprises a first connecting piece 21 arranged towards the bracket diagonal bar 3 and a second connecting piece 22 arranged towards the bracket tie bar 4, wherein the first connecting piece 21 and the second connecting piece 22 are arranged perpendicular to the bracket cross bar 2.
The first connector 21 comprises a first bearing space 211 capable of bearing the end part of the bracket diagonal rod 3 and a first support 212 capable of clamping the end part of the bracket diagonal rod 3, a first through hole 213 which is convenient for connecting the first connector 21 with the end part of the bracket diagonal rod 3 is formed on the first support 212, the second connector 22 comprises a second bearing space 221 capable of bearing the end part of the bracket tie rod 4 and a second support 222 capable of clamping the end part of the bracket tie rod 4, and a second through hole 223 which is convenient for connecting the second connector 22 with the end part of the bracket tie rod 4 is formed on the second support 222.
The bracket diagonal 3 comprises a third connecting piece 31 arranged in the direction of the bracket tie bar 4, said third connecting piece 31 being arranged perpendicular to the bracket diagonal 3.
The third connecting member 31 includes a third bearing space 311 capable of bearing the end of the bracket diagonal member 3 and a third supporting member 312 capable of clamping the end of the bracket diagonal member 3, and a third through hole 313 is formed in the third supporting member 312 to facilitate connection of the third connecting member 31 to the end of the bracket diagonal member 3.
One side of a bracket diagonal rod 3 is positioned in a first bearing space 211 and clamped by a first supporting piece 212, a pin shaft penetrates through a first through hole 213 and the bracket diagonal rod 3 to fixedly connect the bracket diagonal rod 3 with a bracket cross rod 2, one side of a bracket diagonal rod 4 is positioned in a second bearing space 221 and clamped by a second supporting piece 222, the pin shaft penetrates through a second through hole 223 and the bracket diagonal rod 4 to fixedly connect the bracket diagonal rod 4 with the bracket cross rod 2, the other side of the bracket diagonal rod 4 is positioned in a third bearing space 311 and clamped by a third supporting piece 312, and the pin shaft penetrates through a third through hole 313 and the bracket diagonal rod 4 to fixedly connect the bracket diagonal rod 4 with the bracket diagonal rod 3.
The mounting step of the embedded part of the double-limb thin-wall pier No. 0 block bracket comprises the following steps:
S1, installing a pre-buried box and a counter pull rod on the side wall of the pier body during construction of the thin-wall pier, adopting a twisted steel bar for the counter pull rod,
S2, positioning by adopting a pre-buried box, tightly attaching the pre-buried box to the template after die assembly,
S3, mounting, positioning and embedding the pull rod through an embedded box, wherein the embedded position is accurate when embedding is required, the embedded box is required to be always kept horizontal in the construction process, and the pull rod is firmly connected and welded stably;
S4, pouring pier body concrete.
The mounting step of the double-limb thin-wall pier No. 0 block bracket comprises the following steps:
S1, after pier body concrete pouring is completed, installing a shear member 12 into an embedded box 11, pre-tightening the embedded boxes 11 and the shear member 12 at two sides through a shear member pull rod 13, and adjusting a leveling block in the box through elevation;
S2, the bracket cross rod 2, the bracket diagonal rod 3 and the bracket tie rod 4 of the bracket are connected with the ground before being integrally hoisted and installed, and then are connected with the bracket embedded part 1.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model, and thus the utility model is not to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Although the reference numerals of the bracket embedment 1, the bracket cross bar 2, the bracket diagonal bar 3, the bracket tie bar 4, the pier body 5, the embedment box 11, the shear member 12, the shear member tie bar 13, the first link 21, the second link 22, the third link 31, the mounting groove 111, the mounting plate 112, the mounting portion 121, the mounting frame 122, the mounting bracket 123, the first bearing space 211, the first support 212, the first through hole 213, the second bearing space 221, the second support 222, the second through hole 223, the third bearing space 311, the third support 312, the third through hole 313, the opening 1111, the mounting hole 1121, the connection hole 1221, the round hole 1231, the mounting space 1232 are used herein more, these terms are used only for convenience in describing and explaining the essence of the present utility model, and they are interpreted as any additional limitations are contrary to the spirit of the present utility model.
Claims (10)
1. A double-limb thin-wall pier No. 0 block bracket embedded part is characterized in that,
The embedded box (11) is arranged on two sides of the pier body, the embedded box (11) comprises an installation groove (111) and installation plates (112) arranged on two sides of the installation groove (111), one side, far away from the installation plates (112), of the installation groove (111) is embedded into the pier body (5), an opening (1111) is formed on the other side of the installation groove (111), and an installation hole (1121) is formed in the installation plates (112);
the embedded type shear device comprises a shear member (12) which is matched with an embedded box (11), wherein the shear member (12) comprises a mounting part (121) which is clamped into an opening (1111) and a mounting frame (122) which can be abutted with a mounting plate (112), and a connecting hole (1221) is formed in the mounting frame (122);
The novel pier comprises a shear member pull rod (13), wherein two ends of the shear member pull rod (13) respectively enter a mounting hole (1121) and a connecting hole (1221) on one side of a pier body, and an embedded box (11) and a shear member (12) are locked on two sides of the pier body through nuts.
2. The embedded part of the double-limb thin-wall pier 0 block bracket according to claim 1, wherein the shear member (12) comprises a mounting frame (123) positioned at the top of the shear member (12), a mounting space (1232) is formed in the middle of the mounting frame (123), and a round hole (1231) is formed in the mounting frame (123).
3. The embedded part of the double-limb thin-wall pier 0 bracket according to claim 1, wherein one side of the mounting frame (122) facing the embedded box (11) is abutted against the surface of the pier body (5).
4. A double-limb thin-wall pier No. 0 block bracket, which is characterized by comprising a bracket embedded part (1) according to any one of claims 1-3,
At least two groups of bracket embedded parts (1) are distributed along the vertical direction of the pier body, one group of bracket embedded parts (1) is positioned at the upper end of the pier body, and the other group of bracket embedded parts (1) is positioned at the lower end of the pier body;
The bracket comprises a bracket cross rod (2), wherein one end of the bracket cross rod (2) is fixedly connected with the bracket embedded part (1) at the upper end;
the bracket embedded part comprises a bracket inclined rod (3), wherein one end of the bracket inclined rod (3) is fixedly connected with the lower end of the bracket embedded part (1), and the other end of the bracket inclined rod (3) is fixedly connected with the other end of the bracket cross rod (2) far away from the upper end of the bracket embedded part (1).
5. The bracket for the double-limb thin-wall pier 0 block according to claim 4, comprising a bracket tie rod (4), wherein the lower end of the bracket tie rod (4) is fixedly connected to the middle part of a bracket diagonal rod (3), the upper end of the bracket tie rod (4) is fixedly connected to the middle part of a bracket cross rod (2), and the bracket tie rod (4) is vertically arranged with the bracket cross rod (2).
6. The bracket for the double-limb thin-wall pier 0 block according to claim 5, wherein the bracket diagonal rods (3) are obliquely arranged on two sides of the pier body (5), and an angle between the bracket diagonal rods (3) and the pier body (5) is 20-45 degrees.
7. A double-limb thin-walled pier 0 block bracket according to claim 4 characterized in that the bracket cross bar (2) comprises a first connecting piece (21) arranged towards the bracket diagonal (3) and a second connecting piece (22) arranged towards the bracket tie bar (4), wherein the first connecting piece (21) and the second connecting piece (22) are arranged perpendicular to the bracket cross bar (2).
8. The double-limb thin-wall pier 0 block bracket according to claim 7, wherein the first connecting piece (21) comprises a first bearing space (211) capable of bearing the end part of the bracket diagonal rod (3) and a first supporting piece (212) capable of clamping the end part of the bracket diagonal rod (3), the first supporting piece (212) is provided with a first through hole (213) which is convenient for connecting the first connecting piece (21) with the end part of the bracket diagonal rod (3), the second connecting piece (22) comprises a second bearing space (221) capable of bearing the end part of the bracket tie rod (4) and a second supporting piece (222) capable of clamping the end part of the bracket tie rod (4), and the second supporting piece (222) is provided with a second through hole (223) which is convenient for connecting the second connecting piece (22) with the end part of the bracket tie rod (4).
9. A double-limb thin-walled pier 0 block pallet according to claim 4 characterized in that the pallet diagonal (3) comprises a third connecting member (31) arranged in the direction of the pallet tie bar (4), the third connecting member (31) being arranged perpendicular to the pallet diagonal (3).
10. The double-limb thin-wall pier 0 block bracket according to claim 9, wherein the third connecting piece (31) comprises a third bearing space (311) capable of bearing the end part of the bracket diagonal (3) and a third supporting piece (312) capable of clamping the end part of the bracket diagonal (3), and a third through hole (313) which is convenient for connecting the third connecting piece (31) with the end part of the bracket diagonal (3) is formed on the third supporting piece (312).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421044387.6U CN222541292U (en) | 2024-05-14 | 2024-05-14 | A double-limb thin-wall pier No. 0 block bracket embedded part and bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421044387.6U CN222541292U (en) | 2024-05-14 | 2024-05-14 | A double-limb thin-wall pier No. 0 block bracket embedded part and bracket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222541292U true CN222541292U (en) | 2025-02-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421044387.6U Active CN222541292U (en) | 2024-05-14 | 2024-05-14 | A double-limb thin-wall pier No. 0 block bracket embedded part and bracket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222541292U (en) |
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2024
- 2024-05-14 CN CN202421044387.6U patent/CN222541292U/en active Active
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