A positioning device for the thickness of concrete protective layer at short sides

By designing a positioning device for the thickness of the concrete protective layer at the low side wall, including a fixing device and a adjustment clamping mechanism, the problem of difficulty in adjusting the clamp position of the traditional reinforced bar positioning fixture is solved, and the applicability of the clamp and the standardization of the thickness of the concrete protective layer are improved.

CN113027153BActive Publication Date: 2025-05-06CHINA RAILWAY SHANGHAI ENGINEERING GROUP NO 5 ENGINEERING CO LTD +1
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Patent Information

Application Number
CN202110456328.4
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2021-04-26
Publication Date
2025-05-06
Estimated Expiration
2041-04-26

AI Technical Summary

Technical Problem

It is difficult for traditional reinforced bar positioning fixtures to adjust the distance between the fixture and the initial support surface according to the thickness requirements of the concrete protective layer at the low side wall, reducing the suitability of the fixture.

Method used

A positioning device including a fixing device and an adjusting clamping mechanism is designed. The fixing device consists of a positioning plate and a movable hanging ring, and the adjustment and clamping mechanism consists of a main strut rod, a sliding block, a U-shaped fork rod, a snap ring, a hook and a double-sided clamp. Through the use of these components, the position of the clamp can be adjusted according to the thickness requirements of the concrete protective layer.

Benefits of technology

The positioning device can adjust the distance between the fixture and the initial support surface according to the thickness requirements of the concrete protective layer at the low side wall, improve the suitability of the fixture and ensure the standardization of the thickness of the concrete protective layer.

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Abstract

The present invention provides a positioning device for the thickness of the concrete protective layer at the short side, which belongs to the field of engineering construction technology. The positioning device for the thickness of the concrete protective layer at the short side includes a fixing device and an adjustment clamping mechanism. The fixing device includes a positioning plate and a movable hanging ring, at least two movable hanging rings are provided, and the movable hanging rings are symmetrically fixedly connected to one side of the positioning plate, and the adjustment clamping mechanism includes a main support rod, a sliding block, a connecting ring, a U-shaped fork rod, a clamping ring, a hook and a double-sided clamp, one end of the main support rod is fixedly connected to the positioning plate near the center position, and a plurality of positioning holes are spaced apart at one end of the main support rod away from the positioning plate, and the inside of the sliding block is slidably connected to the outside of the main support rod. The present application facilitates the adjustment of the distance between the clamp and the initial support surface according to the requirements of the thickness of the concrete protective layer at the short side wall, thereby improving the applicability of the clamp.
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Description

Technical Field

[0001] The present application relates to the technical field of engineering construction, and in particular to a positioning device for the thickness of a concrete protective layer at a short side. Background Art

[0002] Previous steel bar clamps could only control the spacing between steel bars but could not guarantee the thickness of the protective layer. Whether the thickness of the concrete protective layer at the short side wall is standardized directly affects the thickness of the subsequent secondary lining concrete protective layer. In addition, traditional steel bar positioning clamps are not convenient for adjusting the distance between the clamp and the primary support surface according to the requirements of the concrete protective layer thickness at the short side wall, which reduces the applicability of the clamp.

[0003] How to invent a positioning device for the thickness of the concrete protective layer at the short side to improve these problems has become an urgent problem to be solved by technical personnel in this field. Summary of the invention

[0004] In order to make up for the above shortcomings, the present application provides a positioning device for the thickness of the concrete protective layer at the short side, aiming to improve the problem that the traditional steel bar positioning clamp is also inconvenient to adjust the distance between the clamp and the initial support surface according to the thickness requirements of the concrete protective layer at the short side wall, thereby reducing the applicability of the clamp.

[0005] An embodiment of the present application provides a positioning device for the thickness of a concrete protective layer at a short side, comprising a fixing device and an adjusting clamping mechanism.

[0006] The fixing device comprises a positioning plate and an active hanging ring, at least two active hanging rings are provided, and the active hanging rings are symmetrically fixedly connected to one side of the positioning plate.

[0007] The adjusting clamping mechanism comprises a main support rod, a sliding block, a connecting ring, a U-shaped fork rod, a clamping ring, a hook and a double-sided clamp, one end of the main support rod is fixedly connected to the positioning plate near the center position, and a plurality of positioning holes are spaced apart at one end of the main support rod away from the positioning plate, the interior of the sliding block is slidably connected to the outside of the main support rod, the sliding block passes through the positioning hole through the positioning rod and is fixedly connected to the main support rod, the connecting ring is respectively fixedly connected to the upper and lower sides of the sliding block, one end of the U-shaped fork rod is clamped with the connecting ring, the other end of the U-shaped fork rod is fixedly connected to one end of the clamping ring, the other end of the clamping ring is fixedly connected to one end of the hook, and the other end of the hook is clamped with the movable hanging ring, the interior of the double-sided clamp is slidably connected to the interior of the main support rod, and one side of the double-sided clamp is fixedly connected to one side of the sliding block.

[0008] In the above implementation process, when in use, according to the specification requirements of the thickness of the concrete protective layer at the short side wall, first fix the positioning plate and the main support rod to the two ends of one side of the initial support surface, then push the sliding block and the double-sided clamp to the required position, and fix the sliding block with the positioning rod, and then clamp one end of the U-shaped fork rod to the connecting ring, and temporarily fix the other end of the U-shaped fork rod to one end of the clamping ring, and clamp one end of the hook on the movable hanging ring, and the other end of the hook with one end of the clamping ring, and then adjust the distance of one end of the U-shaped fork rod entering the inside of the clamping ring, tighten the U-shaped fork rod to achieve the tightening oblique pulling effect, and ensure the supporting force of the main support rod, and then clamp the outer layer of the short side wall steel bars in the double-sided clamp. The present application facilitates the adjustment of the distance between the clamp and the initial support surface according to the requirements of the thickness of the concrete protective layer at the short side wall, thereby improving the applicability of the clamp.

[0009] In a specific implementation, the positioning plate is provided with a through hole, and a connecting bolt is arranged in the through hole.

[0010] In the above implementation process, the positioning plate and the initial support surface are conveniently fixed by connecting bolts and through holes.

[0011] In a specific embodiment, the movable hanging ring includes a connecting ring seat and a movable ring ring, the connecting ring seat is symmetrically fixedly connected to one side of the positioning plate, the movable ring ring is rotatably connected to the connecting ring seat, and one end of the hook of the movable ring ring is clamped.

[0012] In the above implementation process, the movable ring is rotatably connected to the connecting ring seat, which facilitates the angle adjustment of the hook during installation and facilitates installation.

[0013] In a specific embodiment, one end of the main support rod is fixedly connected to a rib plate, and the rib plate is fixedly connected to one side of the positioning plate.

[0014] In the above implementation process, a rib plate is provided to increase the connection stability between the main support rod and the positioning plate.

[0015] In a specific embodiment, handles are provided on both sides of the sliding block, and protective covers are provided on the handles.

[0016] In the above implementation process, the protective cover and the handle are provided to facilitate the movement of the sliding block and improve the installation speed of the device.

[0017] In a specific embodiment, the connecting ring includes a branch ring body, a first ring body, a second ring body and a third ring body. The bottom end of the branch ring body is fixedly connected to one side of the sliding block, the first ring body is rotatably connected to the branch ring body, the second ring body is rotatably connected to the first ring body, the third ring body is rotatably connected to the second ring body, and one end of the U-shaped fork rod is clamped with the third ring body.

[0018] In the above implementation process, the various ring bodies rotate in coordination with each other, which facilitates the angle adjustment of the U-shaped fork rod during installation and facilitates installation.

[0019] In a specific implementation, a connecting block is provided at one end of the U-shaped fork rod, the connecting block is located in the third ring body, and the connecting block is fixed to the one end of the U-shaped fork rod by a locking bolt.

[0020] In the above implementation process, the connecting block is placed in the third ring body to facilitate the clamping and fixing of the U-shaped fork rod and the third ring body.

[0021] In a specific implementation manner, threaded holes are provided at both ends of the clamping ring, and the two ends of the clamping ring are fixedly connected to one end of the U-shaped fork rod and one end of the hook respectively through the locking bolts.

[0022] In the above implementation process, the length of the clamping ring is sufficient for the insertion of one end of the U-shaped fork rod and for the U-shaped fork rod to tighten the sliding block.

[0023] In a specific implementation, the double-sided clamp includes a fixed clip and a movable clip, one side of the fixed clip is fixedly connected to the sliding block, and the movable clip is fixedly connected to the fixed clip via the locking bolt.

[0024] In the above implementation process, during installation, the sliding block is first fixed, and then the fixing clip is fixed to the sliding block, and then the outer steel bars of the short side wall are clamped in the fixing clip by the movable clip.

[0025] In a specific embodiment, a first annular groove is spaced apart on one side of the fixed clip, and a second annular groove is spaced apart on one side of the movable clip, and the second annular groove is arranged corresponding to the first annular groove.

[0026] In the above implementation process, the second annular groove and the first annular groove facilitate the control of the spacing between the steel bars. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the technical solutions of the implementation methods of the present application, the drawings required for use in the implementation methods will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0028] Figure 1 It is a schematic diagram of a three-dimensional structure of a positioning device for the thickness of a concrete protective layer at a short side provided by an embodiment of the present application;

[0029] Figure 2A schematic diagram of a connection structure of a positioning device for the thickness of a concrete protective layer at a short side provided in an embodiment of the present application;

[0030] Figure 3 A schematic diagram of a cross-sectional structure of a positioning device for the thickness of a concrete protective layer at a short side provided in an embodiment of the present application;

[0031] Figure 4 A schematic diagram of a double-sided fixture structure of a positioning device for the thickness of a concrete protective layer at a short side provided in an embodiment of the present application.

[0032] In the figure: 100-fixing device; 110-positioning plate; 111-through hole; 112-connecting bolt; 120-movable hanging ring; 121-connecting ring seat; 122-movable ring; 200-adjusting clamping mechanism; 210-main support rod; 211-positioning hole; 212-rib plate; 220-sliding block; 221-handle; 222-protective cover; 223-positioning rod; 230-connecting ring; 231-supporting ring body; 232-first ring body; 233-second ring body; 234-third ring body; 240-U-shaped fork rod; 241-connecting block; 242-locking bolt; 250-clamping ring; 251-threaded hole; 260-hook; 270-double-sided clamp; 271-fixed clip; 2711-first ring groove; 272-movable clip; 2721-second ring groove. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present application will be described below in conjunction with the drawings in the embodiments of the present application.

[0034] In order to make the purpose, technical solutions and advantages of the implementation methods of this application clearer, the technical solutions in the implementation methods of this application will be clearly and completely described below in conjunction with the drawings in the implementation methods of this application. Obviously, the described implementation methods are part of the implementation methods of this application, not all of the implementation methods. Based on the implementation methods in this application, all other implementation methods obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0035] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for protection, but merely represents the selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0036] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0037] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0038] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0039] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0040] In the present application, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0041] See also Figure 1-4 The present application provides a technical solution: a positioning device for the thickness of a concrete protective layer at a short side includes a fixing device 100 and an adjusting clamping mechanism 200 .

[0042] See also Figure 1 and Figure 2The fixing device 100 includes a positioning plate 110 and an active hanging ring 120. At least two active hanging rings 120 are provided, and the active hanging rings 120 are symmetrically fixedly connected to one side of the positioning plate 110. The positioning plate 110 is provided with a through hole 111. A connecting bolt 112 is provided in the through hole 111. The positioning plate 110 is conveniently fixed to the initial support surface through the connecting bolt 112 and the through hole 111. The active hanging ring 120 includes a connecting ring seat 121 and a movable ring 122. The connecting ring seat 121 is symmetrically fixedly connected to one side of the positioning plate 110. The movable ring 122 is rotatably connected to the connecting ring seat 121, and one end of the hook 260 of the movable ring 122 is clamped. The rotatable connection between the movable ring 122 and the connecting ring seat 121 facilitates the angle adjustment of the hook 260 during installation, which is convenient for installation.

[0043] See also Figure 1 , Figure 2 , Figure 3 and Figure 4The adjusting clamping mechanism 200 includes a main support rod 210, a sliding block 220, a connecting ring 230, a U-shaped fork rod 240, a clamping ring 250, a hook 260 and a double-sided clamp 270. One end of the main support rod 210 is fixedly connected to the positioning plate 110 near the center position, and the end of the main support rod 210 away from the positioning plate 110 is spaced apart with a plurality of positioning holes 211. One end of the main support rod 210 is fixedly connected to a rib plate 212, and the rib plate 212 is fixedly connected to one side of the positioning plate 110. The rib plate 212 is provided to increase the connection stability between the main support rod 210 and the positioning plate 110. The interior of the sliding block 220 is slidably connected to the outer side of the main support rod 210. The sliding block 220 passes through the positioning hole 211 through the positioning rod 223 and is fixedly connected to the main support rod 210. The sliding The block 220 is provided with handles 221 on both sides, and a protective cover 222 is provided on the handle 221. The protective cover 222 and the handle 221 are provided to facilitate the movement of the sliding block 220 and improve the installation speed of the device. The connecting ring 230 is respectively fixedly connected to the upper and lower sides of the sliding block 220, and one end of the U-shaped fork rod 240 is clamped with the connecting ring 230. The connecting ring 230 includes a supporting ring body 231, a first ring body 232, a second ring body 233 and a third ring body 234. The bottom end of the supporting ring body 231 is fixedly connected to one side of the sliding block 220, the first ring body 232 is rotatably connected to the supporting ring body 231, the second ring body 233 is rotatably connected to the first ring body 232, and the third ring body 234 is rotatably connected to the second ring body 233. One end of the U-shaped fork rod 240 is clamped with the third ring body 2 34 clamping, each ring body cooperates and rotates, which is convenient for the angle adjustment of the U-shaped fork rod 240 during installation, and is easy to install. The other end of the U-shaped fork rod 240 is fixedly connected to one end of the clamping ring 250. One end of the U-shaped fork rod 240 is provided with a connecting block 241, and the connecting block 241 is located in the third ring body 234. The connecting block 241 is fixed to one end of the U-shaped fork rod 240 by a locking bolt 242. The connecting block 241 is placed in the third ring body 234 to facilitate the clamping and fixing of the U-shaped fork rod 240 and the third ring body 234. The other end of the clamping ring 250 is fixedly connected to one end of the hook 260. Threaded holes 251 are provided at both ends of the clamping ring 250. The two ends of the clamping ring 250 are respectively fixedly connected to one end of the U-shaped fork rod 240 and one end of the hook 260 by locking bolts 242. The length of the clamping ring 250 satisfies the insertion of one end of the U-shaped fork rod 240 and the tightening of the sliding block 220 by the U-shaped fork rod 240. The other end of the hook 260 is clamped with the movable hanging ring 120. The inside of the double-sided clamp 270 is slidably connected with the inside of the main support rod 210, and one side of the double-sided clamp 270 is fixedly connected with one side of the sliding block 220. The double-sided clamp 270 includes a fixed clip 271 and a movable clip 272. One side of the fixed clip 271 is fixedly connected with the sliding block 220, and the movable clip 272 is fixedly connected with the fixed clip 271 through a locking bolt 242. During installation, the sliding block 220 is fixed first, and then the fixed clip 271 is fixed to the sliding block 220. Then, the outer steel bars of the short side wall are clamped between the fixed clip 271 with the movable clip 272.A first annular groove 2711 is provided at one side of the fixed clip 271, and a second annular groove 2721 is provided at one side of the movable clip 272. The second annular groove 2721 is provided corresponding to the first annular groove 2711, and the second annular groove 2721 and the first annular groove 2711 facilitate controlling the spacing between the steel bars.

[0044] The working principle of the positioning device for the thickness of the concrete protective layer at the short side is as follows: when in use, according to the specification requirements of the thickness of the concrete protective layer at the short side wall, the positioning plate 110 and the main support rod 210 are first fixedly connected to the two ends of one side of the initial support surface, and then the sliding block 220 and the double-sided clamp 270 are pushed to the required position, and the sliding block 220 is fixed with the positioning rod 223, and then one end of the U-shaped fork rod 240 is clamped with the connecting ring 230, and the other end of the U-shaped fork rod 240 is temporarily fixed with one end of the clamping ring 250, and one end of the hook 260 is clamped on the movable hanging ring 120, and the other end of the hook 260 is clamped with one end of the clamping ring 250, and then the distance of one end of the U-shaped fork rod 240 entering the inside of the clamping ring 250 is adjusted, and the U-shaped fork rod 240 is tightened to achieve a tightening oblique tension effect, to ensure the supporting force of the main support rod 210, and then the outer layer of the steel bars of the short side wall are clamped in the double-sided clamp 270. The present application facilitates adjustment of the distance between the clamp and the initial support surface according to the thickness requirement of the concrete protective layer at the short side wall, thereby improving the applicability of the clamp.

[0045] It should be noted that the specific model specifications of the U-shaped fork rod 240 and the retaining ring 250 need to be selected and determined according to the actual specifications of the device, and the specific selection calculation method adopts the existing technology in this field, so it will not be described in detail.

[0046] The power supply and principle of the U-shaped fork rod 240 and the clamp ring 250 are clear to those skilled in the art and will not be described in detail herein.

[0047] The above description is only an embodiment of the present application and is not intended to limit the scope of protection of the present application. For those skilled in the art, the present application may have various changes and variations. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application should be included in the scope of protection of the present application. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0048] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A positioning device for the thickness of the concrete cover at the short side, characterized in that: include A fixing device (100), the fixing device (100) comprising a positioning plate (110) and a movable hanging ring (120), at least two movable hanging rings (120) are provided, and the movable hanging rings (120) are symmetrically fixedly connected to one side of the positioning plate (110); The adjusting clamping mechanism (200) comprises a main support rod (210), a sliding block (220), a connecting ring (230), a U-shaped fork rod (240), a snap ring (250), a hook (260) and a double-sided clamp (270), one end of the main support rod (210) is fixedly connected to the positioning plate (110) near the center, and a plurality of positioning holes (211) are spaced apart at one end of the main support rod (210) away from the positioning plate (110), the interior of the sliding block (220) is slidably connected to the outer side of the main support rod (210), and the sliding block (220) passes through the positioning hole (211) through the positioning rod (223). 1) is fixedly connected to the main support rod (210), the connecting ring (230) is respectively fixedly connected to the upper and lower sides of the sliding block (220), one end of the U-shaped fork rod (240) is clamped with the connecting ring (230), the other end of the U-shaped fork rod (240) is fixedly connected to one end of the clamping ring (250), the other end of the clamping ring (250) is fixedly connected to one end of the hook (260), the other end of the hook (260) is clamped with the movable hanging ring (120), the inside of the double-sided clamp (270) is slidably connected to the inside of the main support rod (210), and one side of the double-sided clamp (270) is fixedly connected to one side of the sliding block (220); The positioning plate (110) is provided with a through hole (111), and a connecting bolt (112) is arranged in the through hole (111). The movable hanging ring (120) comprises a connecting ring seat (121) and a movable ring (122). The connecting ring seat (121) is symmetrically fixedly connected to one side of the positioning plate (110), and the movable ring (122) is rotatably connected to the connecting ring seat (121), and one end of the movable ring (122) is clamped to the hook (260).

2. A positioning device for the thickness of the concrete protective layer at the short side according to claim 1, characterized in that: One end of the main support rod (210) is fixedly connected to a rib plate (212), and the rib plate (212) is fixedly connected to one side of the positioning plate (110).

3. A positioning device for the thickness of the concrete protective layer at the short side according to claim 1, characterized in that: Handles (221) are provided on both sides of the sliding block (220), and protective covers (222) are provided on the handles (221).

4. A positioning device for the thickness of the concrete protective layer at the short side according to claim 1, characterized in that: The connecting ring (230) comprises a supporting ring body (231), a first ring body (232), a second ring body (233) and a third ring body (234); the bottom end of the supporting ring body (231) is fixedly connected to one side of the sliding block (220); the first ring body (232) is rotatably connected to the supporting ring body (231); the second ring body (233) is rotatably connected to the first ring body (232); the third ring body (234) is rotatably connected to the second ring body (233); and one end of the U-shaped fork rod (240) is clamped to the third ring body (234).

5. A positioning device for the thickness of the concrete protective layer at the short side according to claim 4, characterized in that: A connecting block (241) is provided at one end of the U-shaped fork rod (240). The connecting block (241) is located in the third ring body (234). The connecting block (241) is fixed to one end of the U-shaped fork rod (240) via a locking bolt (242).

6. A positioning device for the thickness of the concrete protective layer at the short side according to claim 5, characterized in that: Threaded holes (251) are formed at both ends of the clamping ring (250), and the two ends of the clamping ring (250) are respectively fixedly connected to one end of the U-shaped fork rod (240) and one end of the hook (260) through the locking bolts (242).

7. A positioning device for the thickness of the concrete protective layer at the short side according to claim 6, characterized in that: The double-sided clamp (270) comprises a fixed clip (271) and a movable clip (272), one side of the fixed clip (271) is fixedly connected to the sliding block (220), and the movable clip (272) is fixedly connected to the fixed clip (271) via the locking bolt (242).

8. A positioning device for the thickness of the concrete protective layer at the short side according to claim 7, characterized in that: A first annular groove (2711) is provided at intervals on one side of the fixed clamp (271), and a second annular groove (2721) is provided on one side of the movable clamp (272), wherein the second annular groove (2721) is arranged corresponding to the first annular groove (2711).

Citation Information

Patent Citations

  • Positioning device for thickness of concrete protection layer at short edge

    CN214885656U