CN220645252U - Non-upright concrete wall steel bar binding platform device - Google Patents
Non-upright concrete wall steel bar binding platform device Download PDFInfo
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- CN220645252U CN220645252U CN202321617482.6U CN202321617482U CN220645252U CN 220645252 U CN220645252 U CN 220645252U CN 202321617482 U CN202321617482 U CN 202321617482U CN 220645252 U CN220645252 U CN 220645252U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 248
- 239000010959 steel Substances 0.000 title claims abstract description 248
- 239000004567 concrete Substances 0.000 title claims abstract description 35
- 230000002787 reinforcement Effects 0.000 claims description 11
- 238000010276 construction Methods 0.000 abstract description 34
- 229910001294 Reinforcing steel Inorganic materials 0.000 abstract description 26
- 238000013461 design Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 24
- 238000009434 installation Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 230000009193 crawling Effects 0.000 description 1
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- 230000003111 delayed effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
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- 230000005484 gravity Effects 0.000 description 1
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Abstract
The utility model provides a non-upright concrete wall steel bar ligature platform device, includes the rectangular steel bracing that is used for supporting between vertical wall steel bar and non-vertical wall steel bar, and this rectangular steel bracing is crossed by two rectangular steel and is formed, is provided with bolt hole and bracing locking bolt in the crossing of two rectangular steel intersection; when the rectangular steel scissor support is unfolded, the connecting line of the upper end part and the lower end part of one side of the rectangular steel scissor support is perpendicular to the ground and parallel to the vertical wall steel bars; the connecting lines of the upper end part and the lower end part of the other side of the rectangular steel scissor brace are parallel to the non-upright wall steel bars; a transverse pin rod is arranged between the two end parts of the upper part of the rectangular steel scissor stay. The utility model carries out layered design according to the maximum height of one-time binding of the reinforcing steel bars, and can realize rapid erection and dismantling of the reinforcing steel bar binding working platform; the materials used by the device are common materials, so that the device is convenient to purchase, simple to manufacture and convenient to copy, and meets the requirements of site construction standardization and assembly.
Description
Technical Field
The utility model relates to a steel bar binding platform device, in particular to a non-upright concrete wall steel bar binding platform device.
Background
In the prior art, when the height of the reinforced concrete wall surface exceeds 2m, a reinforced bar binding platform is required to be erected, and reinforced bar binding construction is assisted. The traditional concrete wall face reinforcing steel bar binding is provided with various construction processes or auxiliary binding devices, such as installing prefabricated reinforcing steel bar meshes of a prefabricated frame, installing an outer disc buckle type or bowl buckle type scaffold for reinforcing steel bar mesh binding, and installing an inner disc buckle type or bowl buckle type working platform for reinforcing steel bar binding construction. The construction process or tool mainly aims at the construction process or tool of the wall surface reinforcing steel bar, wherein the construction process or tool is mainly aimed at the construction of the vertical inner reinforcing steel bar wall surface, the construction platform erection condition is arranged inside or outside the reinforcing steel bar wall surface, or the reinforcing steel bar binding is not strict, the whole construction of the reinforcing steel bar binding can be carried out by prefabricating the net sheet, but the existing plate buckle frame or bowl buckle frame construction platform is not applicable to the construction of a wall body which is not vertical, particularly the reinforcing steel bar wall body with a transverse main steel bar positioned on the inner side of a vertical reinforcing steel bar, or even the construction is applicable, but the installation and the disassembly are complicated, the construction period is delayed, the construction of the reinforcing steel bar binding prefabricating frame is relatively applicable to the prefabrication and the whole installation of the reinforcing steel bar net sheet, but the centering installation of the reinforcing steel bar net sheet is very difficult for the straight threaded sleeve connection or other mechanical connection modes with larger reinforcing steel bar diameter and high requirement on the installation quality.
In recent years, along with the social development, various reinforcement binding construction processes are further perfected and optimized, and the requirements on reinforcement binding precision, installation quality and construction safety management are more and more strict. For ship lock engineering, the lock chamber wall is of a non-finished upright surface structure, transverse steel bars are arranged on the inner sides of vertical steel bars, the steel bars are large in diameter, and generally, the lock chamber wall is connected by adopting a straight thread sleeve, and the exposed wire heads are not more than 2 wires. The construction requirements result in that the integral installation of the prefabricated net sheet does not meet the construction requirements of the straight thread sleeve connection, the steel bars cannot be hung by the integral platform of the outer support of the wall body, time and labor are consumed by manual transmission, the center of gravity is not centered by the support platform in the wall body, potential safety hazards exist, and moreover, the installation and the disassembly of the platform are complicated, the time is long, the workers are difficult to execute and the like.
To above difficulty, if the incompletely erect wall is thicker, can set up the dish and detain the inner support mode and carry out the reinforcement construction, but if lock class engineering, the real wall thickness of many lock room walls is not big, leads to the inner support to set up in an unbalanced way, even if set up also has great potential safety hazard. Therefore, the quick binding of the wall surface reinforcing steel bars becomes a difficult problem to be solved in non-upright wall surface construction while reducing the workload of bracket erection and the manual transmission of the reinforcing steel bars.
Disclosure of Invention
In order to solve the defects, the utility model provides the steel bar binding platform device which aims at the incomplete vertical wall surface and can accelerate the steel bar binding progress, standardize the steel bar binding construction, ensure the construction safety, save the construction period and save the construction machinery cost.
Specifically, the application adopts the following technical scheme: the utility model provides a non-upright concrete wall steel bar ligature platform device, includes the rectangular steel bracing that is used for supporting between vertical wall steel bar and non-vertical wall steel bar, and this rectangular steel bracing is crossed by two rectangular steel and is formed, is provided with bolt hole and bracing locking bolt in the crossing of two rectangular steel intersection, and bracing locking bolt inserts in the bolt hole to lock the rectangular steel bracing; when the rectangular steel scissor support is unfolded, the connecting line of the upper end part and the lower end part of one side of the rectangular steel scissor support is perpendicular to the ground and parallel to the vertical wall steel bars; the connecting lines of the upper end part and the lower end part of the other side of the rectangular steel scissor brace are parallel to the non-upright wall steel bars; the connecting line of the two ends of the upper part of the rectangular steel scissor support is in the horizontal line direction, and the connecting line of the two ends of the lower part of the rectangular steel scissor support is also in the horizontal line direction; a transverse pin rod is arranged between the two end parts of the upper part of the rectangular steel scissor support; the two ends of the transverse pin rod are provided with hooks, the inner sides of the two ends above the rectangular steel scissor support are respectively provided with pin grooves, and the hooks at the two ends of the transverse pin rod are respectively clamped in the pin grooves.
Further, the lengths of the two rectangular steels of the rectangular steel scissor braces and the intersection point of the two rectangular steels are determined according to the shape and the size of the non-upright concrete wall structure, so that the rectangular steel scissor braces can be matched with the cross-sectional shape of the non-upright concrete wall steel bars when the scissor brace locking bolts are adopted to lock and expand.
Further, the four ends of the rectangular steel scissor support are respectively provided with a steel bar clamping steel pipe, and the steel bar clamping steel pipes are used for fixing two rectangular steels of the rectangular steel scissor support to wall surface steel bars.
Further, the steel bar clamping steel tube comprises a cylindrical portion, the cylindrical portion is used for accommodating steel bars, the cylindrical portion is provided with a through side opening portion, two side edges of the side opening portion are respectively provided with an extending locking portion extending outwards in parallel, a fastening bolt is arranged between the extending locking portions, and when the fastening bolt is screwed, the cylindrical portion can be reduced in diameter to fasten the steel bars located in the cylindrical portion.
Further, the steel bar clamping steel pipes are welded to four end parts of the rectangular steel scissor stay respectively, and cylindrical parts of the steel bar clamping steel pipes at the upper end part and the lower end part of one side of the rectangular steel scissor stay are parallel to the vertical wall steel bars, so that the vertical wall steel bars can be clamped into the cylindrical parts from side opening parts of the cylindrical parts in parallel; the cylindrical parts of the steel bar clamping steel pipes at the upper end part and the lower end part of the other side of the rectangular steel scissor brace 1 are parallel to the non-vertical wall steel bars, so that the non-vertical wall steel bars can be clamped into the cylindrical parts from the side opening parts of the cylindrical parts in parallel.
Further, a plurality of identical rectangular steel scissor supports are arranged along the horizontal direction, and a working platform springboard is erected between transverse pin rods of two adjacent rectangular steel scissor supports; multiple layers of rectangular steel scissors supports can be arranged in the vertical direction.
Further, the overall shape of the multi-layer rectangular steel scissor support is matched with the overall cross section shape of the non-upright concrete wall steel bar, and the length of the transverse pin rod of the upper-layer rectangular steel scissor support is smaller than that of the transverse pin rod of the lower-layer rectangular steel scissor support.
The device design utilizes the principle that the support platform can be buckled and hung on the steel bars by utilizing the scissors support and the disc buckle frame pin rod, the platform carries out layered design according to the maximum height of one-time binding of the steel bars, the rapid erection and dismantling of the steel bar binding working platform can be realized by applying the platform support design, the construction period is saved, the temporary lifting and piling of the steel bars on the platform can be met, so that workers pick up the steel bars nearby for binding construction, the continuous transmission work of the steel bars is greatly reduced, the construction efficiency is improved, the aim of improving quality and efficiency is achieved, and the economic and social benefits are improved.
The device is made of common materials, is convenient to purchase, is simple to manufacture and convenient to copy, and has lower manufacturing and using costs compared with common construction platforms such as a disc buckle frame and the like.
The device single-layer monolithic light in weight, 1-2 workman can cooperate and install and tear open, and assembly degree is high, installs, dismantles convenient and fast.
The device perfectly solves the problem that the traditional steel bar binding construction platform is not applicable, meets the requirements of site construction standardization and assembly, improves the safety of steel bar binding construction operation, saves labor and operation time, achieves the purposes of improving quality and enhancing efficiency and quality engineering creation requirements, and has obvious economic and social benefits.
Drawings
Fig. 1 is a schematic structural view of a rectangular steel scissor stay of a non-upright concrete wall rebar tying platform device according to the present utility model;
fig. 2 is a schematic structural view of a steel bar clamping steel tube of the non-upright concrete wall steel bar binding platform device according to the utility model;
fig. 3 is a schematic view of the structure of a transverse pin of a non-upright concrete wall rebar tying platform device according to the present utility model;
fig. 4 is a schematic diagram of an assembly structure of a rectangular steel scissor stay and a transverse pin of a non-upright concrete wall steel bar binding platform device according to the present utility model;
FIG. 5 is a side view of a multi-layered rectangular steel scissor brace bracket of a non-upright concrete wall rebar tying platform device in accordance with the present utility model;
fig. 6 is an elevation view of a multi-layered rectangular steel scissor brace bracket of a non-upright concrete wall reinforcement platform assembly in accordance with the present utility model.
Detailed Description
The utility model is further described below with reference to the drawings and detailed description.
As shown in fig. 1 to 3, the non-upright concrete wall steel bar binding platform device of the present utility model comprises a rectangular steel scissor stay 1 supported between a vertical wall steel bar and a non-vertical wall steel bar, the rectangular steel scissor stay 1 is formed by intersecting two rectangular steels, bolt holes and a scissor stay locking bolt 2 are arranged at the intersection of the two rectangular steels, and the scissor stay locking bolt 2 is inserted into the bolt holes to lock the rectangular steel scissor stay 1. The rectangular steel scissors stay 1 can be extended or retracted around the scissors stay locking bolt 2. When the rectangular steel scissor support 1 is unfolded, the shape of the rectangular steel scissor support 1 is matched with the cross-sectional shape of the non-upright concrete wall steel bar, namely when the rectangular steel scissor support 1 is unfolded, the connecting line of the upper end part and the lower end part of the left side of the rectangular steel scissor support 1 is perpendicular to the ground and parallel to the upright wall steel bar; the connecting lines of the upper end part and the lower end part of the right side of the rectangular steel scissor brace 1 are parallel to the non-upright wall steel bars. The connecting line of the two ends of the upper part of the rectangular steel scissor support 1 is in the horizontal line direction, and the connecting line of the two ends of the lower part of the rectangular steel scissor support 1 is also in the horizontal line direction.
Since the shapes of the non-upright concrete wall rebars are different, when designing the rectangular steel scissors support 1, the lengths of the two rectangular steels of the rectangular steel scissors support 1 and the intersection point of the two rectangular steels should be determined according to the shape and the size of the non-upright concrete wall structure, so that the cross-sectional shape of the non-upright concrete wall rebars can be matched when the scissors support locking bolt 2 is adopted for locking and expanding.
The four ends of the rectangular steel scissor stay 1 are all provided with steel bar clamping steel pipes 3, as shown in fig. 2, the steel bar clamping steel pipes 3 comprise a cylinder part, the cylinder part is used for accommodating steel bars, the cylinder part is provided with a through side opening part, two sides of the side opening part are respectively provided with an extension locking part which extends outwards in parallel, a fastening bolt is arranged between the extension locking parts, and when the fastening bolt is screwed, the cylinder part can be reduced in diameter to fasten the steel bars positioned in the cylinder part.
In one embodiment, the steel bar clamping steel pipes 3 are welded to four ends of the rectangular steel scissor jack 1, respectively, and cylindrical portions of the steel bar clamping steel pipes 3 at upper and lower ends of the left side of the rectangular steel scissor jack 1 are made parallel to vertical wall surface steel bars, so that the vertical wall surface steel bars can be clamped into the cylindrical portions from side opening portions of the cylindrical portions in parallel; the cylindrical parts of the steel bar clamping steel pipes 3 at the upper end and the lower end on the right side of the rectangular steel scissor brace 1 are parallel to non-vertical wall surface steel bars, so that the non-vertical wall surface steel bars can be clamped into the cylindrical parts from the side surface opening parts of the cylindrical parts in parallel.
As shown in fig. 3-4, the cross pin rod further comprises a cross pin rod 4, hooks are arranged at two ends of the cross pin rod, pin grooves are respectively arranged at inner sides of two ends above the rectangular steel scissor stay 1, and when the hooks at two ends of the cross pin rod are clamped in the pin grooves, the cross pin rod is in the horizontal direction. The transverse pin rod 4 plays a role of fixing the rectangular steel scissor stay 1 on one hand and is used for supporting a work platform springboard on the other hand.
A plurality of identical rectangular steel scissor struts 1 are arranged at intervals along the horizontal direction, and a working platform springboard is erected between the transverse pin rods 4 of two adjacent rectangular steel scissor struts 1, so that the walking operation of workers is facilitated.
As shown in fig. 5, a plurality of layers of rectangular steel scissors supports 1 may be disposed in the vertical direction, and the overall shape of the plurality of layers of rectangular steel scissors supports 1 is matched with the overall cross-sectional shape of the non-upright concrete wall surface reinforcing steel bar, and in one embodiment, the length of the transverse pin 4 of the upper layer of rectangular steel scissors support 1 is smaller than the length of the transverse pin 4 of the lower layer of rectangular steel scissors support 1.
As shown in fig. 6, a plurality of rectangular steel scissor struts 1 are respectively arranged in the horizontal direction and the vertical direction to form a complete non-upright concrete wall steel bar binding platform device. The non-upright concrete wall surface reinforcing steel bar binding platform device is divided into multiple layers and multiple rows according to the height and length of the reinforced concrete wall surface, the layers are divided into one-time artificial reinforcing steel bar binding height, the height is generally 1.8m, the maximum height is not more than 2.2m, and the length and the rigidity of the gangway erected on the platform are determined by the division, and the height is generally 2-4 m.
As shown in FIG. 5, according to the height of the gate chamber wall, each row of devices is manufactured in 3 layers to form a complete set of devices, and because the wall surface is a non-upright wall surface, each layer of bracket devices in the set has a certain dimensional deviation, the device design should be strictly performed according to the arrangement shape of the reinforcing steel bars during the design so as to accurately install the devices
The specific size of each layer and each row of design structure of the device is determined from the drawing, in order to prevent the size deviation affecting the installation during the manufacturing, the sectional view and the large sample view of the device are actually drawn on the manufacturing site according to the sectional size of the wall surface, and the device is manufactured by taking the ground size as a reference.
In one embodiment, the rectangular steel scissor struts are made of rectangular steel materials with the specification of 30cm x 50cm x 1.5mm, and are compared and cut out according to a ground actual measurement chart, and the margin size of the welded steel bar clamping steel tube is reserved during cutting.
The lock bolt 2 of the scissors is a capped bolt with the diameter of 2cm and the length of not less than 8cm, two sections of rectangular steel are firstly discharged into a shape of the scissors according to a ground actual measurement chart, a hole with the diameter of 2.2cm is drilled in the center of the crossing of the scissors, the rectangular steel is perforated and locked by the lock bolt, and two section steel bars can freely rotate perpendicular to the bolt.
The steel bar clamping steel pipe 3 is manufactured by adopting a steel pipe with the inner diameter of 32mm, a steel plate with the inner diameter of 5mm and a bolt with the diameter of 10mm, and the manufactured clamping steel pipe is welded at the end part of the rectangular steel scissor stay and is parallel to the clamped steel bar.
The transverse pin rod is made of steel pipes with the diameter of 48mm, and hooks made of steel plates with the thickness of 5mm are welded at two ends of the transverse pin rod, so that the pin rod can be transversely hung in pin grooves reserved at two ends of the top surface of the scissor support, and the scissor support is fixed and supports the work platform springboard.
In one embodiment, according to the length of the gate chamber wall, if the novel platform devices are arranged in a 2m row, 5 rows of complete sets of devices are required to be arranged, so that the gangway boards are erected on the top surface of the same layer to form a complete construction platform, and reinforcement binding construction is performed.
The method for operating the non-upright concrete wall steel bar binding platform device comprises the following steps:
step 1: before the rectangular steel scissor brace 1 is installed, a first layer of wall surface reinforcing steel bar in the height range of the rectangular steel scissor brace 1 device is firstly bound, and the height does not exceed the maximum installation height of workers at one time, namely, the height does not exceed 2.2 m;
step 2, after binding of the first layer of wall steel bars is completed, a plurality of rectangular steel scissor supports are installed depending on the first layer of wall steel bars of the height to form a first layer of rectangular steel scissor support, the rectangular steel scissor supports are opened firstly, then cylindrical parts of two clamping steel pipes at the upper ends of the rectangular steel scissor supports are respectively sleeved on vertical wall steel bars and non-vertical wall steel bars at two sides, the lower ends of the rectangular steel scissor supports are in contact with a concrete ground, the bottoms of the rectangular steel scissor supports are kept flat, cylindrical parts of the two clamping steel pipes at the lower ends of the rectangular steel scissor supports are respectively sleeved on the vertical wall steel bars and the non-vertical wall steel bars at two sides, bolts of the clamping steel pipes are screwed to prevent the clamping steel pipes from falling off, and finally, transverse pin rods are clamped in pin grooves at the upper parts of the rectangular steel scissor supports; a plurality of rectangular steel scissor supports are sequentially arranged side by side to form a first layer of rectangular steel scissor support.
And 3, after the installation of the first layer of rectangular steel scissor support bracket is completed, erecting a steel springboard or a wood springboard on the first layer of rectangular steel scissor support bracket to form a working platform, and carrying out second layer of wall surface steel bar binding by depending on the working platform, wherein a steel bar binding worker can depend on a steel crawling ladder to go up to the working platform, and carrying out second layer of steel bar binding by depending on the working platform, so that a semi-finished product steel bar can also be hoisted on the working platform through a crane, and the worker can pick up and bind nearby.
And 4, after the second layer of wall surface reinforcing steel bar binding is completed, repeating the steps 2 and 3 to complete the erection of the second layer of rectangular steel scissor support bracket and the third layer of wall surface reinforcing steel bar binding.
And 5, after the steel bar binding work is completed, sequentially removing the working platform and the rectangular steel scissor support bracket from top to bottom.
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 (7)
1. A non-upright concrete wall steel bar binding platform device which is characterized in that: the rectangular steel scissor brace is formed by intersecting two rectangular steels, and bolt holes and scissor brace locking bolts are arranged at the intersecting positions of the two rectangular steels; when the rectangular steel scissor support is unfolded, the connecting line of the upper end part and the lower end part of one side of the rectangular steel scissor support is perpendicular to the ground and parallel to the vertical wall steel bars; the connecting lines of the upper end part and the lower end part of the other side of the rectangular steel scissor brace are parallel to the non-upright wall steel bars; the connecting line of the two ends of the upper part of the rectangular steel scissor support is in the horizontal line direction, and the connecting line of the two ends of the lower part of the rectangular steel scissor support is also in the horizontal line direction; a transverse pin rod is arranged between the two end parts of the upper part of the rectangular steel scissor support; the two ends of the transverse pin rod are provided with hooks, the inner sides of the two ends above the rectangular steel scissor support are respectively provided with pin grooves, and the hooks at the two ends of the transverse pin rod are respectively clamped in the pin grooves.
2. A non-upstanding concrete wall reinforcement bar binding platform device according to claim 1, wherein: the lengths of two rectangular steels of the rectangular steel scissor struts and the intersection point of the two rectangular steels are determined according to the shape and the size of the non-upright concrete wall structure, so that the rectangular steel scissor struts can be matched with the cross-sectional shape of the non-upright concrete wall steel bars when the scissor strut locking bolts are adopted to lock and expand.
3. A non-upstanding concrete wall reinforcement bar binding platform device according to claim 2, wherein: the four ends of the rectangular steel scissor support are respectively provided with a steel bar clamping steel pipe, and the steel bar clamping steel pipes are used for fixing two rectangular steels of the rectangular steel scissor support to wall surface steel bars.
4. A non-upstanding concrete wall reinforcement bar binding platform device according to claim 3, wherein: the steel bar clamping steel tube comprises a cylindrical portion, wherein the cylindrical portion is used for accommodating steel bars, the cylindrical portion is provided with a through side opening portion, two side edges of the side opening portion are respectively provided with an extending locking portion extending outwards in parallel, a fastening bolt is arranged between the extending locking portions, and when the fastening bolt is screwed down, the cylindrical portion can be contracted to fasten the steel bars located in the cylindrical portion.
5. A non-upstanding concrete wall reinforcement bar binding platform device according to claim 4, wherein: the steel bar clamping steel pipes are welded to four end parts of the rectangular steel scissor brace respectively, and cylindrical parts of the steel bar clamping steel pipes at the upper end part and the lower end part of one side of the rectangular steel scissor brace are parallel to the vertical wall steel bars, so that the vertical wall steel bars can be clamped into the cylindrical parts from side surface opening parts of the cylindrical parts in parallel; the cylindrical parts of the steel bar clamping steel pipes at the upper end part and the lower end part of the other side of the rectangular steel scissor brace (1) are parallel to the non-vertical wall steel bars, so that the non-vertical wall steel bars can be clamped into the cylindrical parts from the side surface opening parts of the cylindrical parts in parallel.
6. A non-upstanding concrete wall reinforcement bar binding platform device according to claim 5, wherein: a plurality of identical rectangular steel scissor supports are arranged along the horizontal direction, and a working platform springboard is erected between transverse pin rods of two adjacent rectangular steel scissor supports; multiple layers of rectangular steel scissors supports can be arranged in the vertical direction.
7. A non-upstanding concrete wall reinforcement bar binding platform device according to claim 6, wherein: the overall shape of the multilayer rectangular steel scissor support is matched with the overall cross section shape of the non-upright concrete wall surface steel bar, and the length of the transverse pin rod of the upper rectangular steel scissor support is smaller than that of the transverse pin rod of the lower rectangular steel scissor support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321617482.6U CN220645252U (en) | 2023-06-25 | 2023-06-25 | Non-upright concrete wall steel bar binding platform device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321617482.6U CN220645252U (en) | 2023-06-25 | 2023-06-25 | Non-upright concrete wall steel bar binding platform device |
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| CN220645252U true CN220645252U (en) | 2024-03-22 |
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| CN202321617482.6U Active CN220645252U (en) | 2023-06-25 | 2023-06-25 | Non-upright concrete wall steel bar binding platform device |
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