CN220166895U - Arc section formwork device and pile foundation formwork system - Google Patents
Arc section formwork device and pile foundation formwork system Download PDFInfo
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- CN220166895U CN220166895U CN202321166333.2U CN202321166333U CN220166895U CN 220166895 U CN220166895 U CN 220166895U CN 202321166333 U CN202321166333 U CN 202321166333U CN 220166895 U CN220166895 U CN 220166895U
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- 238000009415 formwork Methods 0.000 title claims abstract description 74
- 229910000831 Steel Inorganic materials 0.000 claims description 26
- 239000010959 steel Substances 0.000 claims description 26
- 230000002787 reinforcement Effects 0.000 claims description 18
- 230000000712 assembly Effects 0.000 claims description 7
- 238000000429 assembly Methods 0.000 claims description 7
- 125000006850 spacer group Chemical group 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 8
- 230000003014 reinforcing effect Effects 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000005266 casting Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 229920002457 flexible plastic Polymers 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011120 plywood Substances 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of bridge construction, in particular to an arc section formwork device and a pile foundation formwork system. The utility model provides an arc section formwork device, includes a plurality of circular arc templates that connect gradually, and every circular arc template includes: the arc panel is provided with a plurality of first fixing pieces at the outer side of the arc surface; the bracket comprises a plurality of second fixing pieces, and each second fixing piece is connected with all the first fixing pieces to form an integral structural member. The arc section formwork device is formed by splicing a plurality of arc templates, and can be suitable for forming pile foundation arc sections with different sizes, and a pile foundation template system using the arc section formwork device; the arc section formwork device of the structure is simple in structure, high in applicability and convenient to assemble, and pile foundation formwork systems using the arc section formwork device are high in applicability.
Description
Technical Field
The utility model relates to the technical field of bridge construction, in particular to an arc section formwork device and a pile foundation formwork system.
Background
In the bridge pile foundation construction process, the design and installation difficulty of the arc-shaped part template are relatively large. When most bridges are built or transformed, the construction scale is not large, the engineering is far away, the bridge forms are changeable, the thicknesses of pile foundations and pier columns are different, so that the conditions of purchasing, processing and shaping steel templates are not met under most conditions, the custom steel templates are long in processing period, heavy in weight and high in cost, and the custom steel templates are not suitable for the transformation or the construction of the existing old bridges.
Disclosure of Invention
The utility model aims at: aiming at the problem that the same customized template is not suitable for pile foundations or pier studs of various sizes in the prior art, the arc section formwork device which is suitable for pile foundations or pier studs of various sizes and is convenient to assemble and the pile foundation formwork system comprising the arc section formwork device are provided.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides an arc section formwork device, includes a plurality of circular arc templates that connect gradually, every circular arc template includes:
the arc-shaped panel is provided with a plurality of first fixing pieces on the outer side of the arc surface;
the bracket comprises a plurality of second fixing pieces, and each second fixing piece is connected with all the first fixing pieces to form an integral structural member.
The pile foundation both ends are mostly cylinder or similar cylinder, or both ends are circular-arc, the middle part is the structure of straight section, this arc section formwork device suitable for circular arc section pile foundation is formed by the concatenation of a plurality of circular arc template, can obtain the circular arc section formwork device with pile foundation circular arc section size adaptation after in order to guarantee that all circular arc templates splice, arc panel has been adopted, but arc panel intensity is lower, consequently, set up a plurality of first mounting along arc panel lateral surface, make arc panel have certain intensity, simultaneously, the second mounting that has set up rather than being connected outside first mounting, ensure that the intensity of arc panel can bear the effort of pouring concrete to its production.
Compared with the prior art, the arc section pile foundation template is mostly a customized steel template, but because the sizes of pile foundations are different when various bridges are built or modified, the customized steel template has high cost, large dead weight, long processing period and poor universality, and the arc section formwork supporting device is formed by splicing a plurality of arc templates, and can be suitable for forming pile foundation arc sections with different sizes; meanwhile, in order to ensure the strength of the arc-shaped panel in each arc-shaped template, a first fixing piece and a second fixing piece which are connected with each other and are arranged on the outer side of the arc surface of the arc-shaped panel are arranged; the arc section formwork device with the structure is simple in structure and high in applicability.
As a preferable mode of the utility model, the first fixing pieces are arranged at intervals along the circumferential direction of the arc-shaped panel; the second fixing piece is axially and fixedly arranged outside the first fixing piece along the arc-shaped panel, and is perpendicularly and crosswise arranged with the first fixing piece.
The first fixing piece is circumferentially arranged along the outer side of the arc-shaped panel, and the first fixing piece and the second fixing piece are fixed by using iron nails; after all the first fixing pieces are arranged, the second fixing pieces with the same curvature as the arc-shaped panel are fixed on the first fixing pieces in a mode that iron wires are kept perpendicular to the first fixing pieces.
As a preferable mode of the present utility model, the bracket further comprises a reinforcing rod and a frame, wherein one end of the reinforcing rod is welded to the second fixing piece, and the other end of the reinforcing rod is connected with the frame.
The second fixing piece and the first fixing piece can only keep the strength of the arc-shaped panel, and in order to facilitate fixing of the arc-shaped template, a frame welded with the second fixing piece is arranged. At the same time, a reinforcing rod is also provided to strengthen the connection between the frame and the second fixing member.
As a preferable scheme of the utility model, the frame comprises a plurality of supporting components, and the supporting components are U-shaped structural members; all the supporting components are axially arranged along the arc-shaped panel, the supporting components correspond to the second fixing pieces one by one, and the supporting components are fixedly connected with the second fixing pieces; the frame also includes support bars that perpendicularly intersect all of the support assemblies.
In order to improve the strength of the frame, a plurality of groups of supporting components are arranged, and two ends of the supporting components are just fixed together in a coincident mode with the corresponding second fixing pieces. All of the support assemblies are then secured to the same support bar. Wherein the support bars may be provided in groups.
As a preferable scheme of the utility model, each supporting component is provided with a plate, and two adjacent arc templates are connected with each other through the plates.
All the plates on the two adjacent arc templates are uniform and correspond to each other, through holes are formed in the plates, and when the two plates corresponding to each other are attached to each other, the circle centers of the through holes are located on the same axis.
As a preferable scheme of the utility model, the connecting piece is used for connecting two adjacent circular arc templates, and the connecting piece is fixedly connected with the two plates which are connected with each other.
The connecting piece is arranged through the through holes in the two mutually-attached plates in a penetrating mode, and the two adjacent plates are fixed together.
As a preferable scheme of the utility model, the arc-shaped panel is a soft structural member, and the first fixing piece is a wooden structural member; the second fixing piece is a steel arc structural piece.
In order to quickly manufacture the arc-shaped panel with the size according to engineering conditions, the arc-shaped panel is a flexible plastic soft panel or a plywood; the first fixing piece is a strip-shaped structural piece, the first fixing piece is the same with the arc-shaped panel in height, the second fixing piece is a steel arc structural piece with the arc length equal to that of the arc-shaped panel, and the first fixing piece and the second fixing piece are in synergistic effect to ensure the strength of the arc-shaped template.
The pile foundation template system comprises the arc section formwork device and further comprises a straight section formwork device, wherein the arc section formwork device is fixedly arranged at one end or two ends of the straight section formwork device.
The arc section formwork device can be used for pile foundations with arc sections at two ends and straight sections in the middle, and the arc section formwork device is arranged on the straight section formwork device.
The pile foundation template system is simple in structure, convenient to assemble and applicable to pile foundation construction or transformation of various sizes and various forms.
As the preferable scheme of the utility model, the arc section formwork device comprises a plurality of arc templates, reinforcing rods and first cushion blocks which are sequentially connected; the reinforcement rod piece is arranged on the outer side of the circular arc template and fixedly connected with the circular arc template, and the first cushion blocks are arranged at intervals along the inner side of the circular arc template.
The reinforcement rod piece is used for supporting and reinforcing the arc section formwork device and is used for sharing the acting force born by the arc section formwork device when concrete is poured; the first cushion block is called a reinforcement protection layer cushion block, is arranged between a reinforcement and a template in a brick-concrete structure and a frame structure, and is used for fixing the position of the reinforcement; when concrete is poured, the steel bar is required to have a certain thickness of a protective layer, and the first cushion block is used for supporting the steel bar, so that a certain distance is kept between the first cushion block and the arc-shaped panel, the steel bar is prevented from being rusted, and the binding force between the steel bar and the concrete can be increased.
As a preferable scheme of the utility model, the straight section formwork device comprises a plurality of straight section formwork sections which are connected in sequence, wherein each straight section formwork section comprises two flat plates, a third fixing piece, a fourth fixing piece, a connecting rod piece and a second cushion block; the two flat plates are oppositely arranged in parallel, and a plurality of connecting rods for connecting the two flat plates are arranged between the two flat plates; and a plurality of second cushion blocks are arranged on one side of each flat plate, which is close to the other flat plate, a plurality of third fixing pieces are fixedly arranged on one side of each flat plate, which is far away from the other flat plate, at intervals, all the fourth fixing pieces are tied up on the third fixing pieces, and each fourth fixing piece is perpendicularly intersected with all the third fixing pieces.
The two ends of the connecting rod piece are fixed with the two flat plates through nuts, so that the distance between the two flat plates is kept stable, and meanwhile, the second cushion block is used for supporting the steel bars bound before casting the concrete, so that the steel bars are kept at a certain distance from the flat plates, the steel bars are prevented from rusting, and the binding force between the steel bars and the concrete can be increased.
The third fixing piece and the first fixing piece are the same in material, the fourth fixing piece and the second fixing piece are the same in material, and the fourth fixing piece is a straight reinforcing steel bar. The third fixing piece and the fourth fixing piece are used for guaranteeing the strength of the flat plate.
In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:
1. the arc section formwork device is formed by splicing a plurality of arc templates, and can be suitable for forming pile foundation arc sections with different sizes; meanwhile, in order to ensure the strength of the arc-shaped panel in each arc-shaped template, a first fixing piece and a second fixing piece which are connected with each other and are arranged on the outer side of the arc surface of the arc-shaped panel are arranged; the arc section formwork device with the structure is simple in structure and high in applicability.
2. The pile foundation template system is simple in structure, convenient to assemble and applicable to pile foundation construction or transformation of various sizes and various forms.
Drawings
FIG. 1 is a schematic view of the arc template structure of the present utility model;
FIG. 2 is a schematic view of a circular arc form without a frame and reinforcement bars according to the present utility model;
FIG. 3 is a front view of the circular arc template of FIG. 2 according to the present utility model;
FIG. 4 is a schematic view of a bracket with a plate member according to the present utility model;
FIG. 5 is a schematic view of the cross-sectional structure of the circular arc template of the present utility model;
FIG. 6 is a schematic view of an arc segment formwork apparatus according to the present utility model;
FIG. 7 is an enlarged schematic view of the structure A in FIG. 6 according to the present utility model;
FIG. 8 is a schematic view of a straight section formwork device of the present utility model;
FIG. 9 is a schematic diagram of a system for forming pile templates according to the present utility model.
The marks in the figure: 10-arc section formwork device, 1-arc template, 11-arc panel, 12-first fixing piece, 13-bracket, 131-second fixing piece, 132-reinforcement bar piece, 133-frame, 1331-support component, 1332-support bar piece, 14-plate piece, 15-connecting piece, 16-reinforcement bar piece, 17-first cushion block, 20-straight section formwork device, 2-straight template section, 21-flat plate, 22-third fixing piece, 23-fourth fixing piece, 24-connecting bar piece, 25-second cushion block and 30-pile foundation formwork system.
Detailed Description
The present utility model will be described in detail with reference to the accompanying drawings.
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Example 1
In the prior art, a customized template is adopted for the circular arc section pile foundation template. However, when various bridges are built or reformed, pile foundations are different in size, and the custom steel template is high in cost, large in dead weight, long in processing period and poor in universality. Therefore, the arc section formwork supporting device 10 formed by splicing a plurality of arc templates 1 is arranged, and is applicable to the formation of pile foundation arc sections with different sizes.
The arc section formwork device 10 includes a plurality of arc templates 1 connected in sequence, as shown in fig. 1, each arc template 1 includes: the arc-shaped panel 11, a plurality of first fixing pieces 12 are arranged on the outer side of the arc surface of the arc-shaped panel 11; the bracket 13, the bracket 13 includes a plurality of second fixing members 131, and each second fixing member 131 is connected with all the first fixing members 12 to form an integral structural member.
As shown in fig. 2 and 3, the arc section formwork device 10 adopts a flexible plastic soft panel or plywood as an arc panel 11, and a plurality of first fixing pieces 12 are arranged along the outer side surface of the arc panel 11, so that the arc panel 11 has certain strength, and meanwhile, a second fixing piece 131 which is perpendicularly fixed and crossed with the first fixing piece 12 is arranged outside the first fixing piece, so that the strength of the arc panel 11 can bear the acting force generated by casting concrete. More specifically, in order to better fix the arc-shaped panel 11 by the first fixing members 12 and the second fixing members 131, the first fixing members 12 are arranged at intervals along the circumference of the arc-shaped panel 11 and fixed by using nails, and after all the first fixing members 12 are arranged, the second fixing members 131 having the same curvature as the arc-shaped panel 11 are arranged along the axial direction of the arc-shaped panel 11 and vertically fixed to the first fixing members 12 by using iron wires. Wherein the first fixing piece 12 is a strip-shaped wooden structural member, and the first fixing piece 12 and the arc-shaped panel 11 have the same height; the second fixing piece 131 is a steel arc structural piece with the arc length equal to that of the arc panel 11, and the two are cooperated to ensure the strength of the arc template 1.
As shown in fig. 4, the bracket 13 further includes a reinforcement bar 132 and a frame 133, and the second fixing member 131 and the first fixing member 12 can only maintain the strength of the arc panel 11, and in order to facilitate fixing of the arc template 1, the frame 133 welded with the second fixing member 131 is provided. At the same time, a reinforcing bar 132 is provided to reinforce the connection between the frame 133 and the second fixing member 131. One end of the reinforcement bar 132 is welded to the second fixing member 131, and the other end is connected to the frame 133.
As shown in fig. 5, in order to improve the strength of the frame 133, a plurality of U-shaped supporting members 1331 are disposed, and all the supporting members 1331 are disposed along the axial direction of the arc-shaped panel 11, wherein the axial direction refers to the direction from top to bottom along the arc-shaped panel 11, and the supporting members 1331 are in one-to-one correspondence with the second fixing members 131 and fixedly connected with the second fixing members 131, that is, at least one position of the supporting members 1331 is fixedly connected with the second fixing members 131. All support assemblies 1331 are then secured to the same support bar 1332 and the two are perpendicular to each other. Wherein the support bars 1332 may be provided in multiple sets.
As shown in fig. 6 and 7, when two adjacent circular arc templates 1 are connected, the connection is performed by a plate member 14. Each supporting component 1331 is provided with a plate 14, all the plates 14 on two adjacent arc templates 1 are uniformly and correspondingly arranged, one ends of the adjacent arc templates 1 are connected with each other through the plates 14, the other ends of the adjacent arc templates 1 are connected with the other adjacent arc templates 1, each plate 14 is provided with a through hole, when the two corresponding plates 14 are attached, the circle centers of the through holes are located on the same axis, and then connecting pieces 15 penetrate through the through holes of the two plates 14 attached to each other, so that the two adjacent plates 14 are fixed together. Thereby fixedly connecting the adjacent two circular arc templates 1.
The beneficial effects of this embodiment are: the arc section formwork device 10 is formed by splicing a plurality of arc templates 1, and can be suitable for forming pile foundation arc sections with different sizes; meanwhile, in order to ensure the strength of the arc panel 11 in each arc template 1, a first fixing member 12 and a second fixing member 131 which are connected to each other and are provided outside the arc surface of the arc panel 11 are provided; the arc section formwork device 10 with the structure has the advantages of simple structure and strong applicability.
Example 2
A pile foundation template system 30 for pile foundations with arc sections at two ends and straight sections in the middle comprises an arc section formwork device 10 of embodiment 1 and a straight section formwork device 20.
The arc section formwork device 10 comprises a plurality of arc templates 1, reinforcing rods 16 and first cushion blocks 17 which are sequentially connected; the reinforcement rod piece 16 is arranged on the outer side of the circular arc template 1 and fixedly connected with the circular arc template 1, and the first cushion blocks 17 are arranged at intervals along the inner side of the circular arc template 1.
As shown in fig. 6 and 7, the reinforcement bar 16 is configured to support the reinforcement arc section formwork device 10, and is configured to share the force applied to the arc section formwork device 10 when pouring concrete; the first cushion block 17, called a reinforcement protection layer cushion block, is arranged between the reinforcement and the template in the brick-concrete structure and the frame 133 structure, and fixes the position of the reinforcement; when concrete is poured, the steel bar is required to have a certain thickness of a protective layer, and the first cushion block 17 is used for supporting the steel bar, so that a certain distance is kept between the first cushion block and the arc-shaped panel 11, the steel bar is prevented from being rusted, and the binding force between the steel bar and the concrete can be increased.
As shown in fig. 8, the straight section formwork device 20 includes a plurality of straight sections 2 connected in sequence, each straight section 2 includes two flat plates 21, a third fixing member 22, a fourth fixing member 23, a connecting rod 24 and a second cushion block 25; the two flat plates 21 are oppositely arranged in parallel, and a plurality of connecting rods 24 for connecting the two flat plates 21 are arranged between the two flat plates; a plurality of second cushion blocks 25 are arranged on one side, close to the other flat plate 21, of each flat plate 21, a plurality of third fixing pieces 22 are fixedly arranged on one side, far away from the other flat plate 21, of each flat plate 21 at intervals, all fourth fixing pieces 23 are tied up on the third fixing pieces 22, and each fourth fixing piece 23 is perpendicularly intersected with all third fixing pieces 22.
The two flat plates 21 are fixed at the two ends of the connecting rod piece 24 through nuts, so that the distance between the two flat plates is kept stable, and meanwhile, the second cushion block 25 is arranged for supporting the steel bars bound before casting the concrete, so that the steel bars are kept at a certain distance from the flat plates 21, the steel bars are prevented from rusting, and the binding force between the steel bars and the concrete can be increased.
The third fixing member 22 is the same as the first fixing member 12, and the fourth fixing member 23 is the same as the second fixing member 131, but the fourth fixing member 23 is a straight reinforcing bar. The third fixing member 22 and the fourth fixing member 23 both function to secure the strength of the flat plate 21.
As shown in fig. 9, the arc section formwork device 10 is fixedly arranged at two ends or one end of the straight section formwork device 20 to form a pile foundation formwork system 30.
The beneficial effects of this embodiment are: the pile foundation template system 30 of the utility model has a simple structure, is convenient to assemble, and can be suitable for pile foundation construction or reconstruction of various sizes and various forms.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. An arc section formwork device (10), characterized by comprising a plurality of arc templates (1) connected in sequence, each arc template (1) comprising:
the device comprises an arc-shaped panel (11), wherein a plurality of first fixing pieces (12) are arranged on the outer side of the arc surface of the arc-shaped panel (11);
the bracket (13), the bracket (13) includes a plurality of second fixing pieces (131), each second fixing piece (131) is connected with all the first fixing pieces (12), and forms an integral structural member.
2. The arc segment formwork apparatus (10) of claim 1 wherein the first fixtures (12) are circumferentially spaced along the arcuate panel (11); the second fixing piece (131) is fixedly arranged outside the first fixing piece (12) along the axial direction of the arc-shaped panel (11), and is perpendicularly crossed with the first fixing piece (12).
3. The arc segment formwork apparatus (10) of claim 1, wherein the bracket (13) further comprises a reinforcement bar (132) and a frame (133), wherein one end of the reinforcement bar (132) is welded to the second fixing member (131), and the other end is connected to the frame (133).
4. A segment formwork apparatus (10) as claimed in claim 3, wherein the frame (133) comprises a plurality of support assemblies (1331), the support assemblies (1331) being U-shaped structures;
all the supporting components (1331) are axially arranged along the arc-shaped panel (11), the supporting components (1331) are in one-to-one correspondence with the second fixing pieces (131), and the supporting components (1331) are fixedly connected with the second fixing pieces (131);
the frame (133) further includes support bars (1332), the support bars (1332) perpendicularly intersecting all of the support assemblies (1331).
5. The arc formwork apparatus (10) as claimed in claim 4, wherein each of the support assemblies (1331) is provided with a plate member (14), and two adjacent arc formworks (1) are connected to each other by the plate member (14).
6. The arc segment formwork apparatus (10) as claimed in claim 5, further comprising a connecting member (15) for connecting two adjacent arc templates (1), the connecting member (15) fixedly connecting two of the plates (14) to each other.
7. An arc segment formwork apparatus (10) as claimed in any one of claims 1-6, wherein the arcuate panel (11) is a flexible structural member and the first securing member (12) is a wooden structural member; the second fixing piece (131) is a steel arc structural piece.
8. Pile foundation formwork system (30), characterized in that it comprises an arc section formwork device (10) according to any one of claims 1-7, and further comprises a straight section formwork device (20), wherein the arc section formwork device (10) is fixedly arranged at one end or two ends of the straight section formwork device (20).
9. A pile foundation formwork system (30) as claimed in claim 8, wherein said arc formwork apparatus (10) comprises a plurality of arc formworks (1), reinforcement bars (16) and first pads (17) connected in sequence;
the reinforcement rod piece (16) is arranged on the outer side of the circular arc template (1) and fixedly connected with the circular arc template (1), and the first cushion blocks (17) are arranged at intervals along the inner side of the circular arc template (1).
10. A pile foundation formwork system (30) as claimed in claim 8, wherein said straight section formwork apparatus (20) comprises a plurality of straight mould sections (2) connected in series, each of said straight mould sections (2) comprising two flat plates (21), a third fixing member (22), a fourth fixing member (23), a connecting rod (24) and a second spacer block (25);
the two flat plates (21) are oppositely arranged in parallel, and a plurality of connecting rods (24) for connecting the two flat plates (21) are arranged between the two flat plates;
one side of each flat plate (21) close to the other flat plate (21) is provided with a plurality of second cushion blocks (25), one side of each flat plate (21) far away from the other flat plate (21) is fixedly provided with a plurality of third fixing pieces (22) at intervals, all fourth fixing pieces (23) are bound on the third fixing pieces (22), and each fourth fixing piece (23) is perpendicularly intersected with all third fixing pieces (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321166333.2U CN220166895U (en) | 2023-05-15 | 2023-05-15 | Arc section formwork device and pile foundation formwork system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321166333.2U CN220166895U (en) | 2023-05-15 | 2023-05-15 | Arc section formwork device and pile foundation formwork system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220166895U true CN220166895U (en) | 2023-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321166333.2U Active CN220166895U (en) | 2023-05-15 | 2023-05-15 | Arc section formwork device and pile foundation formwork system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220166895U (en) |
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2023
- 2023-05-15 CN CN202321166333.2U patent/CN220166895U/en active Active
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