A galvanized anti-deformation clamp structure
Through the innovative design of double-plate linkage clamping and bottom support anti-fall device, the problem of shaking and falling of traditional galvanizing fixtures during the lifting and immersion plating of large workpieces has been solved, realizing the stable fixation of workpieces and reliable support of fixtures, and improving the safety and efficiency of galvanizing process.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- BAODING YUELING METAL PRODUCTS MANUFACTURING CO LTD
- Filing Date
- 2025-07-23
- Publication Date
- 2026-06-30
AI Technical Summary
Traditional galvanizing clamps are prone to causing workpieces to shake, fall, or drop during the lifting and immersion of large, heavy workpieces due to insufficient clamping force, posing safety hazards, resulting in uneven coating, and the clamp adjustment function is easily corroded and fails.
A galvanized anti-deformation clamp structure is designed, which adopts double-plate linkage bidirectional clamping, combined with a bottom support anti-fall device, and provides stable support through soft steel wire rope and metal support bars. It can adapt to workpieces of different specifications, reduce the contact area and avoid damage, and achieve flexible adjustment through hand-tightening fixing screws.
It effectively prevents workpieces from shaking and falling due to gravity during the galvanizing process, improves operational safety, enhances the versatility of fixtures, reduces workpiece damage and fixture corrosion, and ensures the efficient and stable operation of the galvanizing process.
Smart Images
Figure CN224430671U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of galvanized clamps, specifically relating to a galvanized anti-deformation clamp structure. Background Technology
[0002] In the field of metal surface treatment, galvanizing has become a key process for improving the durability of workpieces due to its excellent corrosion resistance. However, in actual galvanizing operations, workpieces to be galvanized, especially large and heavy ones, often encounter problems due to fixture design flaws. For example, traditional fixtures often use single-sided or double-sided clamping methods. When there is no limiting structure such as a locking block at the top of the workpiece, the clamping force of the metal clamping strips alone is insufficient to provide sufficient fixing strength. During hoisting and immersion galvanizing, the workpiece is very prone to falling or even dropping due to shaking and gravity, which not only leads to workpiece damage and uneven coating, but may also cause safety accidents.
[0003] Furthermore, the existing fixtures have significant deficiencies in protection and adjustment functions. Some fixtures lack a bottom support structure, making them unable to meet the fixing requirements of workpieces of different sizes; while the few fixtures that do have a bottom support are prone to corrosion and thread failure in their adjustment components (such as screws and connectors) after frequent contact with zinc plating solvent, resulting in loss of adjustment function and difficulty in providing continuous and stable protection for the workpiece. Utility Model Content
[0004] The purpose of this utility model is to provide a galvanized anti-deformation clamp structure to solve the problems mentioned in the background art. Traditional clamps often use single-sided or double-sided clamping. When there is no locking block at the top of the workpiece, the metal clamping strip alone cannot provide sufficient fixing strength. During the hoisting and immersion plating process, the workpiece is prone to shaking and falling due to gravity, which not only causes workpiece damage and uneven plating, but also poses safety hazards.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a galvanized anti-deformation clamp structure, comprising a vertical fixing plate A and a vertical fixing plate B disposed on the right side of the vertical fixing plate A. A U-shaped metal sleeve A is connected to the bottom end of the vertical fixing plate A, with the A-shaped opening of the U-shaped metal sleeve facing to the right. A U-shaped metal sleeve B is connected to the bottom end of the vertical fixing plate B, with the B-shaped opening of the U-shaped metal sleeve facing to the left. A metal clamping strip A is fixed to the bottom right end of the U-shaped metal sleeve A, and a metal clamping strip B is fixed to the bottom left end of the U-shaped metal sleeve B. Bolt holes are provided on both the front and rear sides of the center of the vertical fixing plate A and the vertical fixing plate B. A clamping adjustment bolt is connected to each of the two sets of bolt holes, and the vertical fixing plate A and the vertical fixing plate B are connected by the clamping adjustment bolt. A bottom-supporting anti-falling device is connected to the outer wall of the left end of the U-shaped metal sleeve A and the outer wall of the right end of the U-shaped metal sleeve B.
[0006] Preferably, the bottom-supporting anti-fall device includes a soft steel wire rope A, a soft steel wire rope B, a fixing block A, a fixing block B, an adjusting rope hole, a hand-tightening fixing screw, and a screw hole. The fixing block A is welded to the outer wall of the left end of the U-shaped metal sleeve A, and the fixing block B is welded to the outer wall of the right end of the U-shaped metal sleeve B. An adjusting rope hole is provided on the inner right side of the center of the fixing block A and on the inner left side of the center of the fixing block B. Both adjusting rope holes are vertically arranged. A screw hole is provided on the inner left center of the fixing block A and the inner right center of the fixing block B, and the screw hole completely penetrates the adjusting rope hole. A hand-tightening fixing screw is threaded into both screw holes. Soft steel wire rope A is inserted into the adjusting rope hole inside the fixing block A, and soft steel wire rope B is inserted into the adjusting rope hole inside the fixing block B.
[0007] Preferably, after the hand-tightening fixing screw is loosened, both soft steel wire rope A and soft steel wire rope B can move up and down in the adjusting rope hole. After the hand-tightening fixing screw is tightened, the screw rod of the hand-tightening fixing screw can firmly clamp and fix soft steel wire rope A and soft steel wire rope B on the inner wall of the adjusting rope hole, so as to prevent soft steel wire rope A and soft steel wire rope B from moving in the adjusting rope hole.
[0008] Preferably, the bottom support and anti-fall device further includes a metal bottom support plate and metal support bars. The bottom ends of the soft steel wire rope A and the soft steel wire rope B are connected and fixed with the metal bottom support plate. The metal bottom support plate is located below the galvanized anti-deformation clamp. Multiple metal support bars are fixed at equal intervals on the outer wall of the top of the metal bottom support plate.
[0009] Preferably, the metal support strip is a thin metal strip, and the top of the metal support strip is set with a semi-circular arc surface. After the galvanized anti-deformation clamp holds the galvanized workpiece, the metal support plate can be lifted by the metal support strip at the bottom of the galvanized workpiece by adjusting the soft steel wire rope A and soft steel wire rope B. The metal support strip can reduce the contact area with the galvanized workpiece.
[0010] Preferably, during the tightening of the clamping adjustment bolt, the vertical fixing plate A and the vertical fixing plate B can gradually approach each other, and then the metal clamp A and the metal clamp B can be driven to gradually approach each other through the U-shaped metal ferrule A and the U-shaped metal ferrule B.
[0011] Preferably, the metal clamp A and metal clamp B can hold the workpiece to be galvanized. When the top of the workpiece to be galvanized is provided with a locking block, the locking block at the top of the workpiece to be galvanized can be blocked inside the U-shape of the U-shaped metal sleeve A and U-shaped metal sleeve B.
[0012] Preferably, a connecting strip A is provided on the outer wall of the upper right end of the center of the vertical fixing plate A, and a connecting strip B is provided on the outer wall of the top left end of the vertical fixing plate B, with the connecting strip B located at the top of the connecting strip A.
[0013] Preferably, the bottom ends of the vertical fixing plate A and the vertical fixing plate B are flush, and the vertical height of the vertical fixing plate A is greater than the vertical height of the vertical fixing plate B. The top of the vertical fixing plate A is welded with a mounting plate, and the mounting plate is fixed to the bottom end of the galvanized electric beam by screws.
[0014] Compared with the prior art, this utility model provides a galvanized anti-deformation clamp structure, which has the following beneficial effects:
[0015] This invention adds a connecting bottom-support anti-fall device to the left end of the U-shaped metal sleeve A and the right end of the U-shaped metal sleeve B of the galvanized anti-deformation fixture. When the workpiece is held solely by metal clamps A and B, especially for large and heavy workpieces, the bottom-support anti-fall device allows for flexible adjustment of the lengths of the soft steel wire ropes A and B, ensuring the metal bottom plate precisely fits the bottom of the workpiece. Combined with a thin, semi-circular metal support strip at the top, it provides stable lifting force while reducing the contact area with the workpiece, preventing indentations or damage to the workpiece surface due to excessive contact. During galvanizing and hoisting, this device effectively distributes the workpiece weight, preventing it from falling due to insufficient clamping force, significantly improving operational safety. Furthermore, the hand-tightening fixing screws allow for free adjustment of the soft steel wire ropes, adapting to the height requirements of different workpiece specifications, greatly enhancing the fixture's versatility and reducing the cost of frequent tooling changes due to workpiece size differences. This provides reliable support for the efficient and stable operation of the galvanizing process. Attached Figure Description
[0016] Figure 1 This is a front-view three-dimensional structural diagram of a galvanized anti-deformation clamp structure according to the present invention.
[0017] Figure 2 This is a front view schematic diagram of a galvanized anti-deformation clamp structure according to the present invention.
[0018] Figure 3 This is a front-view three-dimensional structural diagram of the bottom support and anti-fall device of this utility model.
[0019] Figure 4 This is a three-dimensional disassembly diagram of the bottom support and anti-fall device of this utility model.
[0020] In the diagram: 1. Metal clamp A; 2. Metal clamp B; 3. Bottom support anti-fall device; 4. U-shaped metal sleeve A; 5. U-shaped metal sleeve B; 6. Vertical fixing plate A; 7. Vertical fixing plate B; 8. Connecting clip A; 9. Connecting clip B; 10. Mounting and fixing top plate; 11. Clamping and adjusting bolt; 12. Metal bottom support plate; 13. Metal support bar; 14. Soft steel wire rope A; 15. Soft steel wire rope B; 16. Fixing block A; 17. Fixing block B; 18. Adjusting rope hole; 19. Hand-tightening fixing screw; 20. Screw hole. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0022] This utility model provides, for example Figure 1-4The illustrated galvanized anti-deformation clamp structure includes a vertical fixing plate A6 and a vertical fixing plate B7 located on the right side of the vertical fixing plate A6. A U-shaped metal sleeve A4 is connected to the bottom end of the vertical fixing plate A6, with the U-shaped opening of the sleeve facing right. A U-shaped metal sleeve B5 is connected to the bottom end of the vertical fixing plate B7, with the U-shaped opening of the sleeve facing left. A metal clamping strip A1 is fixed to the bottom right end of the U-shaped metal sleeve A4, and a metal clamping strip B2 is fixed to the bottom left end of the U-shaped metal sleeve B5. The interior of both the front and rear sides of the center of the vertical fixing plates A6 and B7 are... The system includes bolt holes, with clamping and adjusting bolts 11 connected to both sets of bolt holes. Vertical fixing plates A6 and B7 are connected via these clamping and adjusting bolts 11. Tightening the clamping and adjusting bolts 11 allows vertical fixing plates A6 and B7 to gradually approach each other. This, in turn, causes metal clamping strips A1 and B2 to gradually approach each other via U-shaped metal sleeves A4 and B5. Metal clamping strips A1 and B2 can then hold the workpiece to be galvanized. If a locking block is provided at the top of the workpiece, it can prevent the workpiece from being galvanized. Inside the U-shaped metal ferrules A4 and B5, a connecting strip A8 is located on the upper right outer wall of the center of the vertical fixing plate A6, and a connecting strip B9 is located on the top left outer wall of the vertical fixing plate B7. The connecting strip B9 is located at the top of the connecting strip A8. The galvanized anti-deformation fixture is designed with mechanical balance and precise clamping as its core. Through the innovative structure of double-plate linkage and bidirectional clamping, it achieves stable fixation of the workpiece to be galvanized. The vertical fixing plates A6 and B7 are connected by clamping adjustment bolts 11. When the bolts are tightened, the two plates move towards each other, driving the U-shaped metal ferrules. A4 and the U-shaped metal ferrule B5 approach simultaneously, allowing metal clamping bars A1 and B2 to apply uniform clamping force from both sides, firmly fixing the workpiece and effectively preventing deformation caused by shaking or collision during the galvanizing process. At the same time, the special design of the U-shaped metal ferrule can limit the clamping block at the top of the workpiece, enhancing the fixing effect. The connection between the mounting plate 10 and the galvanizing electric beam ensures the stability of the fixture during hoisting and galvanizing operations. The entire structure, through the combination of mechanical transmission and limiting design, meets the clamping requirements of different workpieces while ensuring the efficient and precise implementation of the galvanizing process.
[0023] like Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, the bottom ends of vertical fixing plate A6 and vertical fixing plate B7 are flush, and the vertical height of vertical fixing plate A6 is greater than that of vertical fixing plate B7. A mounting fixing top plate 10 is welded to the top of vertical fixing plate A6. The mounting fixing top plate 10 is fixed to the bottom of the galvanized electric beam with screws. When installing this galvanized anti-deformation clamp, first fix the mounting fixing top plate 10 to the bottom of the galvanized electric beam with screws to ensure a stable connection and prevent the clamp from shaking during hoisting. If there is a locking block at the top of the workpiece to be galvanized, the matching method between the locking block and U-shaped metal sleeves A4 and B5 needs to be planned in advance. If there is no locking block, the weight and size of the workpiece need to be estimated to preliminarily determine whether the bottom support anti-fall device 3 needs to be used for auxiliary fixing. Then, place the workpiece to be galvanized between metal clamps A1 and B2, and slowly tighten the clamping adjustment bolt 11. The relative movement of vertical fixing plates A6 and B7 will cause U-shaped metal sleeves A4 and B5 to move closer together. Apply clamping force evenly to metal clamping bars A1 and B2 until the workpiece is securely fixed. If there is a locking block at the top of the workpiece, ensure that the locking block is confined within the U-shape of the U-shaped metal clamp. When the workpiece is large and heavy, and there is a risk of it falling if held solely by the metal clamping bars, loosen the hand-tightening fixing screw 19. Adjust the lowering length of the soft steel wire ropes A14 and B15 according to the height of the workpiece, so that the metal support plate 12 is attached to the bottom of the workpiece through the metal support strip 13. After adjustment... Tighten the hand-tightening fixing screw 19 to firmly fix the soft steel wire rope to the inner wall of the adjusting rope hole 18, ensuring that the metal base plate 12 stably supports the workpiece. Then, use the galvanizing electric beam to smoothly lift the clamp holding the workpiece to the top of the galvanizing tank. Slowly lower the clamp to completely immerse the workpiece to be galvanized in the galvanizing solvent. Carefully observe the state of the workpiece in the solvent to ensure that there is no shaking or displacement. After the specified galvanizing time is completed, raise the clamp and remove the workpiece from the galvanizing tank for subsequent cleaning, passivation and other processes.
[0024] like Figure 1 , Figure 3 and Figure 4As shown, a bottom-supporting anti-fall device 3 is connected to the outer wall of the left end of the U-shaped metal sleeve A4 and the outer wall of the right end of the U-shaped metal sleeve B5. The bottom-supporting anti-fall device 3 includes a soft steel wire rope A14, a soft steel wire rope B15, a fixing block A16, a fixing block B17, an adjusting rope hole 18, a hand-tightening fixing screw 19, and a screw hole 20. The fixing block A16 is welded to the outer wall of the left end of the U-shaped metal sleeve A4, and the fixing block B17 is welded to the outer wall of the right end of the U-shaped metal sleeve B5. Adjusting rope holes 18 are provided on the inner right side of the center of the fixing block A16 and on the inner left side of the center of the fixing block B17. The two adjusting rope holes 18 Both are vertically positioned. Screw holes 20 are located inside the center of the left end of fixing block A16 and inside the center of the right end of fixing block B17, with each screw hole 20 completely penetrating the adjusting rope hole 18. Hand-tightening fixing screws 19 are threaded into both screw holes 20. A soft steel wire rope A14 is inserted into the adjusting rope hole 18 inside fixing block A16, and a soft steel wire rope B15 is inserted into the adjusting rope hole 18 inside fixing block B17. When the hand-tightening fixing screws 19 are loosened, both soft steel wire ropes A14 and B15 can move up and down within the adjusting rope hole 18. Tightening the hand-tightening fixing screws 19... Then, the screw of the hand-tightening fixing screw 19 can firmly clamp and fix the soft steel wire rope A14 and soft steel wire rope B15 to the inner wall of the adjusting rope hole 18, so as to prevent the soft steel wire rope A14 and soft steel wire rope B15 from moving in the adjusting rope hole 18. The bottom support anti-fall device 3 also includes a metal bottom plate 12 and metal support bars 13. The bottom of the soft steel wire rope A14 and soft steel wire rope B15 are connected and fixed to the metal bottom plate 12. The metal bottom plate 12 is located below the galvanized anti-deformation clamp. Multiple metal support bars 13 are fixed at equal intervals on the outer wall of the top of the metal bottom plate 12. The bottom support anti-fall device 3 is based on dynamic adjustment. The joint and non-contact protection principle provides reliable bottom support for the workpiece to be galvanized. When there is a risk of the workpiece falling when it is held only by metal clamps A1 and B2, the soft steel wire ropes A14 and B15 can be freely extended and retracted in the adjusting rope hole 18 by loosening the hand-tightening fixing screw 19. The operator can flexibly adjust the position of the metal support plate 12 according to the height of the workpiece, so that it is supported by the metal support bar 13 at the bottom of the workpiece. The semi-circular arc design at the top of the metal support bar 13 can provide sufficient support force while reducing the contact area with the workpiece and avoiding damage to the workpiece surface.
[0025] like Figure 1 , Figure 3 and Figure 4As shown, the metal support bar 13 is a thin metal strip with a semi-circular arc at the top. After the galvanized anti-deformation clamp holds the galvanized workpiece, the metal support plate 12 can be lifted by the metal support bar 13 at the bottom of the galvanized workpiece by adjusting the soft steel wire ropes A14 and B15. The metal support bar 13 reduces the contact area with the galvanized workpiece, and the bottom support anti-drop device 3 cleverly utilizes the structural characteristics of the clamp. When the galvanized anti-deformation clamp immerses the workpiece in the galvanizing solvent, the clamp itself will not be immersed in it simultaneously, ensuring that the hand-tightening fixing screw 19 on the fixing block is always outside the solvent. The design effectively avoids corrosion of the screw threads by the galvanizing solvent, preventing adjustment function failure due to thread damage. It ensures that the soft steel wire rope can still be firmly fixed by the hand-tightening fixing screw 19 after multiple adjustments, thus continuously providing reliable support and protection for the workpiece. This not only ensures the stability of the workpiece during the galvanizing process but also extends the service life of key components of the fixture. Furthermore, the design of the soft steel wire rope does not obstruct the fixture itself. During the pulling and fixing of the soft steel wire rope, because the soft steel wire rope can be bent at any angle, it will not obstruct the fixture itself, nor will it hinder the normal movement of the fixture by the galvanizing electric beam.
[0026] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A galvanized anti-deformation clamp structure, comprising a vertical fixing plate A (6) and a vertical fixing plate B (7) disposed on the right side of the vertical fixing plate A (6), wherein a U-shaped metal sleeve A (4) is connected to the bottom end of the vertical fixing plate A (6), the U-shaped opening of the U-shaped metal sleeve A (4) faces to the right, a U-shaped metal sleeve B (5) is connected to the bottom end of the vertical fixing plate B (7), the U-shaped opening of the U-shaped metal sleeve B (5) faces to the left, a metal clamping strip A (1) is fixed to the bottom right end of the U-shaped metal sleeve A (4), and a metal clamping strip B (2) is fixed to the bottom left end of the U-shaped metal sleeve B (5), characterized in that: The vertical fixing plate A (6) and the vertical fixing plate B (7) are provided with bolt holes on both the front and rear sides of the center. Each of the two sets of bolt holes is connected with a clamping adjustment bolt (11). The vertical fixing plate A (6) and the vertical fixing plate B (7) are connected by the clamping adjustment bolt (11). The outer wall of the left end of the U-shaped metal sleeve A (4) and the outer wall of the right end of the U-shaped metal sleeve B (5) are connected with a bottom support and anti-fall device (3). The bottom support and anti-fall device (3) includes a soft steel wire rope A (14), a soft steel wire rope B (15), a fixing block A (16), a fixing block B (17), an adjusting rope hole (18), a hand-tightening fixing screw (19), and a screw hole (20). The fixing block A (16) is welded to the outer wall of the left end of the U-shaped metal sleeve A (4), and the fixing block B (17) is welded to the outer wall of the right end of the U-shaped metal sleeve B (5). Adjusting rope holes (18) are provided on the inner right side of the center of the fixing block A (16) and on the inner left side of the center of the fixing block B (17). Each of the aforementioned adjustment rope holes (18) is vertically arranged. Screw holes (20) are provided inside the center of the left end of the fixed block A (16) and inside the center of the right end of the fixed block B (17). The screw holes (20) completely penetrate the adjustment rope holes (18). A hand-tightening fixing screw (19) is threaded into each of the two screw holes (20). A soft steel wire rope A (14) is inserted into the adjustment rope hole (18) inside the fixed block A (16), and a soft steel wire rope B (15) is inserted into the adjustment rope hole (18) inside the fixed block B (17).
2. The galvanized anti-deformation clamp structure according to claim 1, characterized in that: After the hand-tightening fixing screw (19) is loosened, both soft steel wire rope A (14) and soft steel wire rope B (15) can move up and down in the adjusting rope hole (18). After the hand-tightening fixing screw (19) is tightened, the screw rod of the hand-tightening fixing screw (19) can firmly clamp and fix soft steel wire rope A (14) and soft steel wire rope B (15) on the inner wall of the adjusting rope hole (18) to prevent soft steel wire rope A (14) and soft steel wire rope B (15) from moving in the adjusting rope hole (18).
3. The galvanized anti-deformation clamp structure according to claim 2, characterized in that: The bottom support anti-fall device (3) also includes a metal bottom plate (12) and metal support bars (13). The bottom ends of the soft steel wire rope A (14) and the soft steel wire rope B (15) are fixedly connected to the metal bottom plate (12). The metal bottom plate (12) is located below the galvanized anti-deformation clamp. Multiple metal support bars (13) are fixed at equal intervals on the outer wall of the top of the metal bottom plate (12).
4. The galvanized anti-deformation clamp structure according to claim 3, characterized in that: The metal support strip (13) is a thin metal strip. The top of the metal support strip (13) is set with a semi-circular arc surface. After the galvanized anti-deformation clamp holds the galvanized workpiece, the soft steel wire rope A (14) and soft steel wire rope B (15) can be adjusted so that the metal support plate (12) can be lifted by the metal support strip (13) at the bottom of the galvanized workpiece. The metal support strip (13) can reduce the contact area with the galvanized workpiece.
5. The galvanized anti-deformation clamp structure according to claim 1, characterized in that: During the tightening process of the clamping adjustment bolt (11), the vertical fixing plate A (6) and the vertical fixing plate B (7) can gradually approach each other, and then the metal clamp A (1) and the metal clamp B (2) can be driven to gradually approach each other through the U-shaped metal ferrule A (4) and the U-shaped metal ferrule B (5).
6. The galvanized anti-deformation clamp structure according to claim 5, characterized in that: The metal clamp A (1) and metal clamp B (2) can hold the workpiece to be galvanized. When the top of the workpiece to be galvanized is provided with a locking block, the locking block at the top of the workpiece to be galvanized can be blocked inside the U-shape of the U-shaped metal sleeve A (4) and the U-shaped metal sleeve B (5).
7. The galvanized anti-deformation clamp structure according to claim 6, characterized in that: A connecting strip A (8) is provided on the outer wall of the upper right end of the center of the vertical fixing plate A (6), and a connecting strip B (9) is provided on the outer wall of the top left end of the vertical fixing plate B (7). The connecting strip B (9) is located at the top of the connecting strip A (8).
8. The galvanized anti-deformation clamp structure according to claim 7, characterized in that: The bottom ends of the vertical fixing plate A (6) and the vertical fixing plate B (7) are flush, and the vertical height of the vertical fixing plate A (6) is greater than the vertical height of the vertical fixing plate B (7). The top end of the vertical fixing plate A (6) is welded with a mounting fixing plate (10), and the mounting fixing plate (10) is fixed to the bottom end of the galvanized electric beam by screws.