Efficient guardrail plate hot galvanizing lifting device
By setting up the adjustment device and auxiliary device in the fence board hot -dip galvanized increase device, the problem of shaking and fit in the movement of the fence board in the movement is solved, the efficiency and effect of hot galvanized application are improved replace.
Patent Information
- Application Number
- CN202420576761.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-25
- Publication Date
- 2025-01-24
- Estimated Expiration
- 2034-03-25
AI Technical Summary
The guardrail plate will shake and fit during the movement of the power unit, affecting the efficiency and effect of hot-dip galvanizing.
An efficient hot-dip galvanizing lifting device for guardrail panels is designed. The distance between the spreaders is restrained by setting an adjustment device to avoid shaking and sticking of the guardrail panels, and the rapid replacement of the spreaders is achieved through auxiliary devices.
Effectively avoid the shaking and fit of the fence board during the movement, improve the efficiency and effect of hot -dip galvanized application, and reduce the work interruption caused by the wear of the picker.
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Figure CN222389375U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of hot-dip galvanizing of guardrail plates, in particular to a high-efficiency hot-dip galvanizing lifting device for guardrail plates. Background Art
[0002] Hot-dip galvanizing of guardrail panels is a special material for guardrail panels. It can increase the service life of guardrail panels by applying hot-dip galvanizing on the surface of the guardrail panels.
[0003] The utility model with announcement number CN219078833U discloses a high-efficiency hot-dip galvanizing lifting device for guardrail panels, and the key points of its technical solution are as follows: it includes a first crossbeam and a second crossbeam, a plurality of first slings are installed at both ends of the second crossbeam, a first hook is installed at the lower end of the first sling, a sleeve is slidably installed on the second crossbeam and between two adjacent first slings, a lifting drive mechanism for driving the lifting of each sleeve is installed above the second crossbeam, the lower end of the second sling passes through the sleeve and is installed with a second hook, the lower end of the second sling is installed with a second hook, and the second hook is located below the first hook. This device can lift guardrail panels of upper and lower layers, increase the number of single galvanizing of guardrails, improve space utilization, and improve the production efficiency of hot-dip galvanized guardrail panels; by controlling the lifting and lowering of the sleeve, the activities of the first sling and the second sling can be controlled, which is convenient for the first hook and the second hook to lift the guardrail panels before galvanizing, avoid the guardrail panels from contacting each other during galvanizing, and improve the galvanizing effect.
[0004] With regard to the above-mentioned relevant contents, it is believed that the following technical defects exist: the use of a lifting device can efficiently complete the work of applying hot-dip galvanizing on the surface of the guardrail plate, but in the process of the power device moving the guardrail plate, it is found that the guardrail plate will shake in the air during movement, and the guardrail plate will stick together. When the guardrail plate that sticks together due to the shaking comes into contact with the hot-dip galvanizing in the working pool, it will affect the efficiency and application effect of the hot-dip galvanizing on the surface of the guardrail plate. Utility Model Content
[0005] The purpose of the utility model is to solve the problem in the prior art that when a power device moves the guardrail plate, it is found that the guardrail plate shakes in the air during movement and the guardrail plate sticks together. When the guardrail plate sticks together due to the shaking comes into contact with the hot-dip galvanizing in the working pool, it affects the efficiency and coating effect of the hot-dip galvanizing on the surface of the guardrail plate.
[0006] In order to solve the above technical problems, the utility model provides a high-efficiency hot-dip galvanized lifting device for guardrail plates, comprising: a lifting device body, a power device is fixedly connected to the lower surface of the lifting device body, a plurality of hangers are installed at both ends of the side of the power device away from the lifting device body, and adjustment devices are provided on the sides of the plurality of hangers, and the adjustment device comprises a fixing ring, the fixing ring is slidably connected to the hanger, both ends of the fixing ring are fixedly connected to a fixing plate, the inner walls of the two fixing plates are provided with fixing blocks, the inner walls of the two fixing plates are threaded with two identical screws, the two screws are threaded with the fixing blocks, the fixing block is rotatably connected with a connecting rod on the side away from the fixing ring, the ends of the plurality of connecting rods close to each other are threadedly connected with the same threaded tube, the inner wall of the fixing ring is fixedly connected with a fixing tube, the ends of the two threaded tubes close to each other are provided with the same limit rod, and the two ends of the limit rod are respectively slidably connected with the two fixing tubes.
[0007] The effects achieved by the above components are: the hook on the sling is connected to the hole on the guardrail plate, and then the guardrail plate can be moved by the sling through the power device, and the guardrail plate can be moved to a working pool filled with hot-dip galvanizing. The guardrail plate is placed in the working pool to complete the hot-dip galvanizing of the guardrail plate. However, in the process of moving the guardrail plate by the power device, it is found that the guardrail plate will shake in the air during movement, and the guardrail plate will fit together. The guardrail plate that fits due to shaking will affect the efficiency and coating effect of hot-dip galvanizing on the surface of the guardrail plate when it comes into contact with the working pool. The fixed plate is attached to the sling, and then the fixed block is connected to the fixed ring through a screw, so that the connecting rod can be installed on the sling through the screw, and then the two connecting rods are connected together using a threaded pipe, so that the distance between the two slings can be maintained through the threaded pipe, and then the limit rod is connected to two of the fixed pipes, so that the entire slings cannot get close to each other, so that the slings can be constrained by the adjustment device.
[0008] Preferably, both ends of the arc surface of the limiting rod are fixedly connected with connecting rods, and one end of the two connecting rods away from the limiting rod is fixedly connected with the same force block.
[0009] The effect achieved by the above components is: when the limit rod needs to be pulled out of the fixed tube, the force block installed on the connecting rod can be used to pull the limit rod out of the fixed tube, and the force block can increase the speed of pulling the limit rod out of the fixed tube.
[0010] Preferably, a plurality of protrusions are fixedly connected to the arc surface of the threaded tube, and the plurality of protrusions are evenly distributed on the arc surface of the threaded tube.
[0011] The effect achieved by the above components is that when the threaded pipe needs to be rotated, the protrusion installed on the threaded pipe can increase the friction between the hand and the threaded pipe, so that the speed of rotating the threaded pipe is faster.
[0012] Preferably, one end of the screw rod is fixedly connected to a guide block, and the cross-section of the guide block is arc-shaped.
[0013] The effect achieved by the above components is that when the screw is connected to the threaded hole on the fixing plate, the guide block installed on the screw can increase the speed of connecting the screw and the fixing plate, thereby increasing the speed of connecting the screw and the fixing plate.
[0014] Preferably, an auxiliary device is provided on the side of the power device close to the sling, and the auxiliary device includes an adjustment plate, the adjustment plate is fixedly connected to the power device, a plurality of adjustment blocks are slidably connected to the inner wall of the adjustment plate, a connecting block is fixedly connected to the side of the adjustment block away from the adjustment plate, a screw rod is threadedly connected to the inner wall of the connecting block, the arc surface of the screw rod is movably connected to the connecting plate, and the connecting plate is fixedly connected to the adjustment plate.
[0015] The effect achieved by the above-mentioned components is: after the power unit clamps the guardrail plate through the sling for a long time, the lifting rope part of the sling will be worn, resulting in the breaking of the lifting rope, causing the entire lifting device body to be unable to continue to complete the work of adding hot-dip galvanizing to the surface of the guardrail plate, delaying the progress of the work, and connecting the adjusting block to the lifting rope on the sling. First, slide the adjusting block into the adjusting plate, and then use the screw rod to pass through the connecting plate first, align the end of the screw rod close to the connecting block with the inner wall of the connecting block, and rotate the screw rod in the connecting plate. The screw rod can move toward the inside of the connecting block through the thread when it rotates, so that it can be connected to the connecting block through the screw rod, and the replaced new sling is quickly installed on the power unit through the adjusting plate, which can effectively avoid the situation that affects the progress of the work.
[0016] Preferably, an adjusting rod is slidably penetrated through the inner wall of the screw rod, and both ends of the adjusting rod are fixedly connected to limit blocks.
[0017] The effect achieved by the above components is: when the screw rod needs to be rotated in the connecting block, the adjusting rod installed on the inner wall of the screw rod can be used to rotate the screw rod. The adjusting rod can increase the speed of rotation of the screw rod, and the limit blocks installed at both ends of the adjusting rod can limit the movement of the adjusting rod.
[0018] Preferably, a pull ring is fixedly connected to one side of the screw rod.
[0019] The effect achieved by the above components is that when the screw rod needs to be pulled out from the connecting plate, the pull ring can be used to pull the screw rod out from the connecting plate, and the pull ring can increase the speed of pulling the screw rod out from the connecting plate.
[0020] Preferably, the connecting plate is a titanium alloy plate.
[0021] The effects achieved by the above components are: the connecting plate made of titanium alloy has a relatively hard plate surface, the screw rod passes through the connecting plate for a long time, and the plate surface is also less likely to deform, and has a longer service life.
[0022] Compared with the related art, the high-efficiency hot-dip galvanizing lifting device for guardrail provided by the utility model has the following beneficial effects:
[0023] The utility model provides a high-efficiency hot-dip galvanizing lifting device for guardrail plates. By arranging an adjusting device, when a power device drives the guardrail plates to move through a sling, the slings can be constrained by the adjusting device, which can effectively prevent the guardrail plates from sticking to each other when the guardrail plates shake, thereby affecting the efficiency of hot-dip galvanizing of the guardrail plates.
[0024] By setting up auxiliary devices, when the lifting rope of a sling that has been used for a long time breaks, the broken sling can be quickly replaced through the auxiliary device, thereby increasing the speed of replacing the sling and avoiding affecting the work efficiency of the sling due to the slow speed of replacing the sling. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] Figure 1 A schematic diagram of the structure of a high-efficiency hot-dip galvanizing lifting device for guardrail plates provided by the utility model;
[0026] Figure 2 for Figure 1 The structural schematic diagram of the regulating device shown;
[0027] Figure 3 for Figure 2 The enlarged view of point A is shown;
[0028] Figure 4 for Figure 2 The enlarged view of point B is shown;
[0029] Figure 5 for Figure 1 A schematic diagram of a partial disassembled structure of the regulating device shown;
[0030] Figure 6 for Figure 1 A schematic diagram of the structure of the auxiliary device shown;
[0031] Figure 7 for Figure 6 An enlarged view of point C is shown.
[0032] Numbers in the figure: 1. Lifting device body; 2. Adjusting device; 201. Fixing ring; 202. Fixing plate; 203. Screw; 204. Fixing block; 205. Connecting rod; 206. Threaded pipe; 207. Fixing pipe; 208. Limiting rod; 209. Connecting rod; 210. Force block; 211. Bump; 212. Guide block; 3. Auxiliary device; 31. Adjusting plate; 32. Adjusting block; 33. Connecting block; 34. Connecting plate; 35. Screw; 36. Adjusting rod; 37. Limiting block; 38. Pull ring; 4. Power device; 5. Hoisting device. DETAILED DESCRIPTION
[0033] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.
[0034] The specific implementation of the present utility model is described in detail below in conjunction with specific embodiments.
[0035] See also Figures 1 to 7 The utility model provides an efficient hot-dip galvanizing lifting device for guardrail plates, comprising: a lifting device body 1, a power device 4 is fixedly connected to the lower surface of the lifting device body 1, a plurality of slings 5 are installed at both ends of the side of the power device 4 away from the lifting device body 1, and an adjustment device 2 is provided on the side of the plurality of slings 5, and an auxiliary device 3 is provided on the side of the power device 4 close to the sling 5.
[0036] In the embodiments of the present invention, please refer to Figures 2 to 5The adjusting device 2 includes a fixing ring 201, which is slidably connected to the sling 5. Both ends of the fixing ring 201 are fixedly connected to fixing plates 202. The inner walls of the two fixing plates 202 are provided with fixing blocks 204. The inner walls of the two fixing plates 202 are threaded with two identical screws 203. The two screws 203 are threadedly penetrated with the fixing blocks 204. The fixing blocks 204 are rotatably connected with a connecting rod 205 on the side away from the fixing ring 201. The ends of the connecting rods 205 close to each other are threadedly connected with the same threaded tube 206. The inner wall of the fixing ring 201 is fixedly connected with a fixing tube 207. The ends of the two threaded tubes 206 close to each other are provided with the same limiting rod 208. The two ends of the limiting rod 208 are respectively connected to the two fixing tubes. 207 sliding connection, use the hook on the sling 5 to connect with the hole on the guardrail plate, and then use the power device 4 to move the guardrail plate through the sling 5, and the guardrail plate can be moved to the working pool full of hot-dip galvanizing. Put the guardrail plate into the working pool to complete the hot-dip galvanizing of the guardrail plate. However, in the process of moving the guardrail plate by the power device 4, it is found that the guardrail plate will shake in the air during movement, and the guardrail plate will fit together. The guardrail plate that fits due to shaking will affect the efficiency and coating effect of hot-dip galvanizing on the surface of the guardrail plate when it comes into contact with the working pool. The fixing plate 202 is attached to the sling 5, and then the fixing block 204 is connected to the fixing ring 201 through the screw 203, so that it can be passed. The connecting rod 205 is installed on the hanger 5 through the screw rod 203, and then the two connecting rods 205 are connected together through the threaded tube 206, so that the distance between the two hangers 5 can be maintained through the threaded tube 206, and then the limiting rod 208 is used to connect with two of the fixed tubes 207, so that the entire hangers 5 cannot get close to each other, so that the hangers 5 can be constrained by the adjusting device 2, and the arc surface of the limiting rod 208 is fixedly connected with the connecting rod 209 at both ends, and the ends of the two connecting rods 209 away from the limiting rod 208 are fixedly connected with the same force block 210. When the limiting rod 208 needs to be pulled out of the fixed tube 207, the force block 210 installed on the connecting rod 209 can be used to pull the limiting rod 208 out The force block 210 can increase the speed of pulling the limit rod 208 out of the fixed tube 207. The arc surface of the threaded tube 206 is fixedly connected with a plurality of protrusions 211, and the plurality of protrusions 211 are evenly distributed on the arc surface of the threaded tube 206. When the threaded tube 206 needs to be rotated, the protrusions 211 installed on the threaded tube 206 can increase the friction between the hand and the threaded tube 206, so that the speed of rotating the threaded tube 206 is faster. One end of the screw rod 203 is fixedly connected with a guide block 212, and the cross-section of the guide block 212 is arc-shaped. When the screw rod 203 is connected to the threaded hole on the fixed plate 202, the guide block 212 installed on the screw rod 203 can increase the speed of connecting the screw rod 203 with the fixed plate 202.Increase the speed at which the screw rod 203 is connected to the fixing plate 202.
[0037] In the embodiments of the present invention, please refer to Figure 6 and Figure 7 The auxiliary device 3 includes an adjustment plate 31, which is fixedly connected to the power device 4. The inner wall of the adjustment plate 31 is slidably connected to a plurality of adjustment blocks 32. The side of the adjustment block 32 away from the adjustment plate 31 is fixedly connected to a connecting block 33. The inner wall of the connecting block 33 is threadedly connected to a screw rod 35. The arc surface of the screw rod 35 is movably connected to a connecting plate 34. The connecting plate 34 is fixedly connected to the adjustment plate 31. After the power device 4 clamps the guardrail plate through the sling 5 for a long time, the rope part of the sling 5 will be worn, resulting in the breaking of the rope. The whole lifting device body 1 is cracked, and it is impossible to continue to complete the work of adding hot-dip galvanizing to the surface of the guardrail plate, delaying the progress of the work. The adjusting block 32 is connected to the lifting rope on the sling 5. The adjusting block 32 is first slid into the adjusting plate 31, and then the screw rod 35 is used to pass through the connecting plate 34, and the end of the screw rod 35 close to the connecting block 33 after passing through is aligned with the inner wall of the connecting block 33, and the screw rod 35 is rotated in the connecting plate 34. The screw rod 35 can move toward the inside of the connecting block 33 through the thread when it rotates, so that the screw rod 35 can be moved through the screw rod The screw rod 35 is connected with the connecting block 33, and the replaced new hanger 5 is quickly installed on the power device 4 through the adjusting plate 31, which can effectively avoid the situation that affects the progress of the work. The inner wall of the screw rod 35 is slidably penetrated by an adjusting rod 36, and both ends of the adjusting rod 36 are fixedly connected to the limiting blocks 37. When the screw rod 35 needs to be rotated in the connecting block 33, the adjusting rod 36 installed on the inner wall of the screw rod 35 can be used to rotate the screw rod 35. The adjusting rod 36 can increase the speed of rotating the screw rod 35. The limiting blocks 37 installed at both ends of the adjusting rod 36 The positioning block 37 can limit the movement of the adjusting rod 36. A pull ring 38 is fixedly connected to one side of the screw rod 35. When the screw rod 35 needs to be pulled out of the connecting plate 34, the pull ring 38 can be used to pull the screw rod 35 out of the connecting plate 34. The pull ring 38 can increase the speed of pulling the screw rod 35 out of the connecting plate 34. The connecting plate 34 is a titanium alloy plate. The surface of the connecting plate 34 made of titanium alloy is relatively hard. The screw rod 35 passes through the connecting plate 34 for a long time, and its plate surface is also difficult to deform, and the service life is long.
[0038] The working principle of a high-efficiency hot-dip galvanizing lifting device for guardrail plates provided by the utility model is as follows: the hook on the sling 5 is connected to the hole on the guardrail plate, and then the guardrail plate can be moved by the sling 5 through the power device 4, and the guardrail plate can be moved to a working pool filled with hot-dip galvanizing. The guardrail plate is placed in the working pool to complete the hot-dip galvanizing of the guardrail plate. However, in the process of moving the guardrail plate by the power device 4, it is found that the guardrail plate will shake in the air during movement, and the guardrail plate will fit together. The guardrail plate that fits together due to the shaking will affect the efficiency and coating effect of hot-dip galvanizing on the surface of the guardrail plate when it comes into contact with the working pool. At this time, the fixed plate 202 is attached to the sling 5, and then the fixed block 204 is connected to the fixed ring 201 through the screw 203, so that the connecting rod 205 can be installed on the sling 5 through the screw 203, and then the two connecting rods 205 are connected together using the threaded pipe 206, and then the hot-dip galvanizing can be completed. The threaded tube 206 is used to keep the distance between the two hangers 5, and then the limit rod 208 is used to connect with two of the fixed tubes 207, so that the entire hangers 5 cannot get close to each other, so that the hangers 5 can be constrained by the adjustment device 2. When the limit rod 208 needs to be pulled out of the fixed tube 207, the force block 210 installed on the connecting rod 209 can be used to pull the limit rod 208 out of the fixed tube 207. The force block 210 can improve the limit rod 208. The speed at which the rod 208 is pulled out from the fixed tube 207 is such that when the threaded tube 206 needs to be rotated, the protrusion 211 installed on the threaded tube 206 can increase the friction between the hand and the threaded tube 206, thereby making the speed of rotating the threaded tube 206 faster. When the screw 203 is connected to the threaded hole on the fixed plate 202 using the screw 203, the guide block 212 installed on the screw 203 can increase the speed at which the screw 203 is connected to the fixed plate 202, thereby increasing the speed at which the screw 203 is connected to the fixed plate 202.
[0039] After the power device 4 clamps the guardrail plate through the sling 5 for a long time, the lifting rope part of the sling 5 will be worn, resulting in the breaking of the lifting rope, causing the entire lifting device body 1 to be unable to continue to complete the work of adding hot-dip galvanizing to the surface of the guardrail plate, delaying the progress of the work, and connecting the adjusting block 32 to the lifting rope on the sling 5. First, slide the adjusting block 32 into the adjusting plate 31, and then use the screw rod 35 to pass through the connecting plate 34 first, and align the end of the screw rod 35 close to the connecting block 33 with the inner wall of the connecting block 33. Rotate the screw rod 35 in the connecting plate 34. The screw rod 35 can be rotated to move toward the inside of the connecting block 33 through the thread, so that it can be connected to the connecting block 33 through the screw rod 35, and the replaced new sling 5 can be quickly installed through the adjusting plate 31 Installed on the power device 4, it can effectively avoid situations that affect the progress of the work. When the screw rod 35 needs to be rotated in the connecting block 33, the adjusting rod 36 installed on the inner wall of the screw rod 35 can be used to rotate the screw rod 35. The adjusting rod 36 can increase the speed of rotation of the screw rod 35. The limit blocks 37 installed at both ends of the adjusting rod 36 can limit the movement of the adjusting rod 36. When the screw rod 35 needs to be pulled out of the connecting plate 34, the pull ring 38 can be used to pull the screw rod 35 out of the connecting plate 34. The pull ring 38 can increase the speed of pulling the screw rod 35 out of the connecting plate 34. The connecting plate 34 made of titanium alloy has a relatively hard plate surface. The screw rod 35 has been passing through the connecting plate 34 for a long time, and its plate surface is also difficult to deform, and the service life is long.
[0040] The circuits and controls involved in the present invention are all prior art and will not be described in detail here.
[0041] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.
Claims
1. An efficient guardrail plate hot-dip galvanizing lifting device, characterized in that: include: A lifting device body (1), the lower surface of the lifting device body (1) is fixedly connected to a power device (4), the two ends of the side of the power device (4) away from the lifting device body (1) are equipped with a plurality of slings (5), the sides of the plurality of slings (5) are provided with adjustment devices (2), the adjustment devices (2) include a fixing ring (201), the fixing ring (201) is slidably connected to the sling (5), the two ends of the fixing ring (201) are fixedly connected to fixing plates (202), the inner walls of the two fixing plates (202) are provided with fixing blocks (204), the inner walls of the two fixing plates (202) are provided with fixing blocks (204), and the inner walls of the two fixing plates (202) are provided with fixing blocks (204). Two identical screw rods (203) are threadedly penetrated, and the two screw rods (203) are threadedly penetrated by the fixing block (204); a connecting rod (205) is rotatably connected to a side of the fixing block (204) away from the fixing ring (201); ends of a plurality of connecting rods (205) close to each other are threadedly connected to the same threaded tube (206); a fixing tube (207) is fixedly connected to the inner wall of the fixing ring (201); ends of the two threaded tubes (206) close to each other are provided with the same limiting rod (208); and the two ends of the limiting rod (208) are respectively slidably connected to the two fixing tubes (207).
2. According to claim 1, a high-efficiency hot-dip galvanizing lifting device for guardrail plates is characterized in that: Both ends of the arc surface of the limiting rod (208) are fixedly connected to connecting rods (209), and one end of the two connecting rods (209) away from the limiting rod (208) is fixedly connected to the same force adding block (210).
3. The high-efficiency hot-dip galvanizing lifting device for guardrail plates according to claim 1 is characterized in that: A plurality of protrusions (211) are fixedly connected to the circular arc surface of the threaded tube (206), and the plurality of protrusions (211) are evenly distributed on the circular arc surface of the threaded tube (206).
4. The high-efficiency hot-dip galvanizing lifting device for guardrail plates according to claim 1 is characterized in that: One end of the screw rod (203) is fixedly connected to a guide block (212), and the cross section of the guide block (212) is arc-shaped.
5. The high-efficiency hot-dip galvanizing lifting device for guardrail plates according to claim 1 is characterized in that: An auxiliary device (3) is provided on a side of the power device (4) close to the sling (5), and the auxiliary device (3) comprises an adjustment plate (31), the adjustment plate (31) is fixedly connected to the power device (4), a plurality of adjustment blocks (32) are slidably connected to the inner wall of the adjustment plate (31), a connecting block (33) is fixedly connected to the side of the adjustment block (32) away from the adjustment plate (31), a screw rod (35) is threadedly connected to the inner wall of the connecting block (33), the arc surface of the screw rod (35) is movably connected to the connecting plate (34), and the connecting plate (34) is fixedly connected to the adjustment plate (31).
6. The high-efficiency hot-dip galvanizing lifting device for guardrail plates according to claim 5 is characterized in that: An adjusting rod (36) is slidably penetrated through the inner wall of the screw rod (35), and both ends of the adjusting rod (36) are fixedly connected to limit blocks (37).
7. The high-efficiency hot-dip galvanizing lifting device for guardrail plates according to claim 5 is characterized in that: A pull ring (38) is fixedly connected to one side of the screw rod (35).
8. The high-efficiency hot-dip galvanizing lifting device for guardrail plates according to claim 5 is characterized in that: The connecting plate (34) is a titanium alloy plate.
Citation Information
Patent Citations
Efficient guardrail plate hot galvanizing lifting device
CN219078833U