Rust removal, paint removal and polishing equipment for bridge maintenance
By using No. 1 electromagnet in the bridge maintenance grinding equipment to achieve magnetic suction connection and design a convenient gripping structure, the problem of the equipment being unable to be temporarily placed is solved, reducing manpower consumption and improving work efficiency.
Patent Information
- Application Number
- CN202421497227.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-27
- Publication Date
- 2025-04-04
- Estimated Expiration
- 2034-06-27
AI Technical Summary
The existing bridge maintenance grinding equipment cannot be temporarily placed during use, resulting in workers continuing to hold the equipment, consuming manpower and affecting the progress of other work.
A rust removal and paint grinding equipment for bridge maintenance was designed, and a magnetic connection was achieved using No. 1 electromagnet, allowing the equipment to be temporarily fixed on the bridge assembly, and the position of the grip rod is adjusted through the connection relationship between the fixing sleeve and the rotating sleeve, which is convenient for workers to hold.
The temporary fixation of the equipment is achieved through magnetic suction connection, reducing manpower consumption and facilitating other work. Through convenient grip design, the efficiency of polishing work is improved.
Smart Images

Figure CN222711791U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of bridge maintenance, and specifically relates to rust removal, paint removal and polishing equipment for bridge maintenance. Background Art
[0002] Grinding machines are widely used for grinding and polishing the surface of workpieces. According to the grinding requirements of different products, there are many types of grinders on the market. They are generally used for metal grinding, cutting, paint removal, putty grinding and other tasks. During the maintenance of bridges, grinding equipment is required to grind the surface of bridge components.
[0003] A Chinese patent discloses a handheld grinding device for removing rust from the bottom of a municipal bridge, with the publication number CN212044097U. The technical solution disclosed in the patent document is as follows: the machine head is welded to the top of the machine body, and the machine body is provided with a machine base, heat dissipation holes, a handle, a connecting end, and a chip storage bag. The machine base is welded to the bottom of the handle, and the heat dissipation holes are provided on the handle. The handle is welded to the bottom of the connecting end, and the connecting end is welded to the top of the handle. The chip storage bag is embedded in the machine head; the machine head is provided with a main machine, a grinding disc, a switch, a vacuum cleaner, and a spindle, and the main machine is welded to the top of the connecting end.
[0004] In order to solve the problem that rust residue and dust generated by grinding will pollute the environment, the existing technology adopts the method of designing components such as chip conveyor pipes and chip storage bags to deal with it. However, it is still inconvenient to use. During the grinding of bridge components, the grinding equipment cannot be temporarily placed at the work site, and workers are required to hold the grinding equipment continuously, resulting in a large consumption of manpower and affecting the progress of other work. Utility Model Content
[0005] The utility model aims to provide rust and paint removal and grinding equipment for bridge maintenance, so as to solve the problem that the grinding equipment cannot be temporarily placed in the prior art.
[0006] The utility model provides the following technical solutions: rust removal, paint removal and grinding equipment for bridge maintenance, including a protective tube, a convenient grinding mechanism is arranged on the protective tube, the convenient grinding mechanism includes a fixed sleeve and a square tube, the fixed sleeve is fixedly sleeved on the outer wall of the protective tube, a rotating sleeve is rotatably connected to the outer wall of the fixed sleeve, a gripping rod 1 is welded to the outer wall of the rotating sleeve, fixed plates are fixedly installed on both sides of the fixed sleeve, the fixed plates are fixedly connected to the back side of the protective tube, a No. 1 electromagnet is fixedly installed on the back side of the fixed plate, the square tube is fixedly connected to the right side of the protective tube, and a gripping rod 2 is welded to the right side of the square tube.
[0007] As a preferred embodiment of the above technical solution, the convenient grinding mechanism also includes a fixed track rod, which is fixedly installed on the right side of the inner wall of the protective tube, and a sliding disk is slidably connected to the outer wall of the fixed track rod, and a grinding motor is fixedly installed on the left side of the sliding disk.
[0008] As a preferred embodiment of the above technical solution, a rotation limit seat is fixedly connected to the output shaft of the grinding motor, a No. 2 electromagnet is fixedly installed on the right side of the inner wall of the rotation limit seat, an iron plug-in block is movably plugged into the inner wall of the rotation limit seat, a grinding disc is fixedly installed on the left side of the iron plug-in block, and the right side of the iron plug-in block is connected to the left side of the No. 2 electromagnet by magnetic attraction.
[0009] As a preferred embodiment of the above technical solution, an electric telescopic rod is fixedly installed on the right side of the square tube, the movable end of the electric telescopic rod extends into the inner cavity of the square tube and is fixedly connected to an extension rod, and the left end of the extension rod is fixedly connected to the right side of the sliding plate.
[0010] As a preferred embodiment of the above technical solution, the bottom of the square cylinder is detachably connected to a vertical cylinder, an inner support ring is fixedly installed on the inner wall of the vertical cylinder, a magnetic block is fixedly installed on the top of the inner wall of the inner support ring, an air filter cartridge is movably inserted into the top of the inner support ring, and the bottom of the air filter cartridge is connected to the top of the magnetic block by magnetic attraction.
[0011] As a preferred embodiment of the above technical solution, the bottom of the vertical cylinder is fixedly connected to a suction fan body, the bottom of the suction fan body is fixedly connected to a diverter hood, and the bottom of the diverter hood is fixedly connected to a diverter hose.
[0012] As a preferred embodiment of the above technical solution, a connecting rod is welded on the outer wall of the vertical cylinder, and a water storage cylinder is fixedly installed on one end of the connecting rod away from the outer wall of the vertical cylinder, and the inner cavity of the water storage cylinder is filled with clean water.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] The utility model adopts the design of No. 1 electromagnet, which can generate magnetic force by controlling the power supply thereof, so that the structure can be magnetically connected to the external bridge component, thereby realizing the function of temporarily fixing the structure, reducing manpower consumption and facilitating other work. Workers can hold the structure from grip rods one and two, which is convenient for grinding work, and through the connection relationship design of the fixed sleeve and the rotating sleeve, workers can rotate and adjust the position of grip rod one on the outer wall of the protective tube, which is convenient for workers to hold and use. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a three-dimensional diagram of the utility model;
[0016] Figure 2 This is a schematic diagram of the back structure of the protective tube of the utility model;
[0017] Figure 3 This is a schematic diagram of the cutaway structure of the protection tube of the utility model;
[0018] Figure 4 This is a schematic diagram of the exploded structure of the connection between the grinding disc and the grinding motor of the utility model;
[0019] Figure 5 It is a schematic diagram of the cutaway structure of the vertical tube of the utility model.
[0020] In the figure: 1. protective tube; 2. convenient grinding mechanism; 21. fixed sleeve; 211. fixed plate; 212. No. 1 electromagnet; 22. rotating sleeve; 23. grip rod 1; 24. square tube; 241. electric telescopic rod; 242. extension rod; 243. fixed track rod; 244. sliding plate; 245. grinding motor; 246. rotating limit seat; 247. No. 2 electromagnet; 248. iron plug-in block; 249. grinding disc; 25. grip rod 2; 26. vertical tube; 261. inner support ring; 262. magnetic suction block; 263. air filter cartridge; 264. suction fan body; 265. connecting rod; 266. water storage cylinder; 267. diversion hood; 268. diversion hose. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.
[0022] like Figure 1-Figure 2 As shown, the utility model provides a technical solution: a rust and paint removal and grinding device for bridge maintenance, comprising a protective tube 1, a convenient grinding mechanism 2 is arranged on the protective tube 1, and the convenient grinding mechanism 2 comprises a fixed sleeve 21 and a square tube 24, the fixed sleeve 21 is fixedly sleeved on the outer wall of the protective tube 1, a rotating sleeve 22 is rotatably connected to the outer wall of the fixed sleeve 21, a gripping rod 23 is welded on the outer wall of the rotating sleeve 22, and a fixed plate 211 is fixedly installed on both sides of the fixed sleeve 21, the fixed plate 211 is fixedly connected to the back side of the protective tube 1, and the back side of the fixed plate 211 is fixedly connected to the back side of the protective tube 1. An electromagnet No. 1 212 is fixedly installed on the surface, and a square tube 24 is fixedly connected to the right side of the protective tube 1. A grip rod 25 is welded on the right side of the square tube 24. The electromagnet No. 1 212 is energized to generate magnetic force, which can be used to magnetically connect the structure to an external iron bridge component, thereby realizing the function of temporarily fixing the structure, reducing manpower consumption, and facilitating other work. The structure can be gripped from grip rod 1 23 and grip rod 2 25, and the worker can rotate and adjust the position of grip rod 1 23 on the outer wall of the protective tube 1 for easy gripping and use.
[0023] As an implementation method in this embodiment, Figure 3 and Figure 4 The convenient grinding mechanism 2 shown also includes a fixed track rod 243, which is fixedly installed on the right side of the inner wall of the protective tube 1, and a sliding disk 244 is slidably connected to the outer wall of the fixed track rod 243, and a grinding motor 245 is fixedly installed on the left side of the sliding disk 244, and a rotation limit seat 246 is fixedly connected to the output shaft of the grinding motor 245, and a second electromagnet 247 is fixedly installed on the right side of the inner wall of the rotation limit seat 246, and an iron plug-in block 248 is movably plugged into the inner wall of the rotation limit seat 246, and a grinding disk 249 is fixedly installed on the left side of the iron plug-in block 248, and the right side of the iron plug-in block 248 is connected to the left side of the second electromagnet 247 by magnetic attraction. An electric telescopic rod 241 is fixedly installed on the right side of the square tube 24, and the moving end of the electric telescopic rod 241 extends to the square tube 2 4 is fixedly connected with an extension rod 242, the left end of the extension rod 242 is fixedly connected to the right side of the sliding disk 244, the electric telescopic rod 241 is controlled to be extended, and the sliding disk 244 slides to the left on the outer wall of the fixed track rod 243 through the transmission of the extension rod 242, so that the grinding disk 249 is moved out of the protective tube 1, and then the grinding motor 245 is controlled to work, which can drive the grinding disk 249 to rotate, and the bridge component can be polished by the grinding disk 249. During the idle process of the equipment, the No. 2 electromagnet 247 is controlled to be powered off to release the magnetic attraction of the iron plug-in block 248, and then the worn grinding disk 249 can be replaced, and then the No. 2 electromagnet 247 is controlled to be powered on to generate magnetic force, and the iron plug-in block 248 is magnetically fixed to complete the installation of the grinding disk 249.
[0024] As an implementation method in this embodiment, Figure 5As shown, the bottom of the square cylinder 24 is detachably connected to the vertical cylinder 26, an inner support ring 261 is fixedly installed on the inner wall of the vertical cylinder 26, a magnetic block 262 is fixedly installed on the top of the inner wall of the inner support ring 261, an air filter cartridge 263 is movably inserted on the top of the inner support ring 261, the bottom of the air filter cartridge 263 is connected to the top of the magnetic block 262 by magnetic attraction, the bottom of the vertical cylinder 26 is fixedly connected to the suction fan body 264, the bottom of the suction fan body 264 is fixedly connected to the diverter cover 267, the bottom of the diverter cover 267 is fixedly connected to the diverter hose 268, a connecting rod 265 is welded on the outer wall of the vertical cylinder 26, and a water storage cylinder 266 is fixedly installed on one end of the connecting rod 265 away from the outer wall of the vertical cylinder 26, and the inner cavity of the water storage cylinder 266 is filled with clean water. During the grinding process, the control When the suction fan body 264 is working, it can absorb gas from the left side of the protection tube 1 and absorb the smoke generated during the grinding process. Then, through the design of the air filter cartridge 263, the smoke can be filtered. The gas filtered by the air filter cartridge 263 will be introduced into the inner cavity of the water storage cylinder 266 by the diversion hose 268, and then the clean water inside the water storage cylinder 266 can realize the function of secondary dust reduction and purification of the smoke, thereby improving the environmental protection of this structure. The vertical cylinder 26 is installed on the bottom of the square cylinder 24 by bolts. The upper half of the air filter cartridge 263 is an iron ring. The inner support ring 261 and the magnetic block 262 can respectively limit and magnetically attract the iron ring included in the air filter cartridge 263. After the vertical cylinder 26 is removed from the bottom of the square cylinder 24, the air filter cartridge 263 can be disassembled and cleaned.
[0025] Working principle: When in use, the structure can be held from the grip rod 1 23 and the grip rod 25, and the electric telescopic rod 241 can be controlled to extend, so that the sliding plate 244 slides to the left on the outer wall of the fixed track rod 243, prompting the grinding plate 249 to move out from the inner position of the protective tube 1, and then the grinding motor 245 is controlled to drive the grinding plate 249 to rotate, and the bridge component can be polished by the grinding plate 249. If the structure needs to be temporarily placed, the No. 1 electromagnet 212 is controlled to be energized to generate magnetic force, and this magnetic force can be used to magnetically connect the structure to the external iron bridge component.
[0026] The above embodiments are only used to illustrate the technical solution of the present invention, but not to limit it.
Claims
1. A rust-removing, paint-removing and polishing device for bridge maintenance, comprising a protective tube (1), characterized in that: The protective tube (1) is provided with a convenient grinding mechanism (2), and the convenient grinding mechanism (2) comprises a fixed sleeve (21) and a square tube (24), the fixed sleeve (21) is fixedly sleeved on the outer wall of the protective tube (1), a rotating sleeve (22) is rotatably connected to the outer wall of the fixed sleeve (21), a gripping rod (23) is welded to the outer wall of the rotating sleeve (22), fixed plates (211) are fixedly installed on both sides of the fixed sleeve (21), the fixed plate (211) is fixedly connected to the back of the protective tube (1), a first electromagnet (212) is fixedly installed on the back of the fixed plate (211), the square tube (24) is fixedly connected to the right side of the protective tube (1), and a gripping rod (25) is welded to the right side of the square tube (24).
2. The rust removal, paint removal and polishing equipment for bridge maintenance according to claim 1 is characterized by: The convenient grinding mechanism (2) further comprises a fixed track rod (243), wherein the fixed track rod (243) is fixedly mounted on the right side of the inner wall of the protective tube (1), a sliding plate (244) is slidably connected to the outer wall of the fixed track rod (243), and a grinding motor (245) is fixedly mounted on the left side of the sliding plate (244).
3. The rust removal, paint removal and polishing equipment for bridge maintenance according to claim 2 is characterized by: A rotation limit seat (246) is fixedly connected to the output shaft of the grinding motor (245), a second electromagnet (247) is fixedly installed on the right side of the inner wall of the rotation limit seat (246), an iron plug-in block (248) is movably plugged into the inner wall of the rotation limit seat (246), a grinding disc (249) is fixedly installed on the left side of the iron plug-in block (248), and the right side of the iron plug-in block (248) is connected to the left side of the second electromagnet (247) by magnetic attraction.
4. The rust removal, paint removal and polishing equipment for bridge maintenance according to claim 3 is characterized by: An electric telescopic rod (241) is fixedly installed on the right side of the square tube (24); the movable end of the electric telescopic rod (241) extends into the inner cavity of the square tube (24) and is fixedly connected to an extension rod (242); the left end of the extension rod (242) is fixedly connected to the right side of the sliding plate (244).
5. The rust removal, paint removal and polishing equipment for bridge maintenance according to claim 1 is characterized by: The bottom of the square tube (24) is detachably connected to a vertical tube (26); an inner support ring (261) is fixedly installed on the inner wall of the vertical tube (26); a magnetic block (262) is fixedly installed on the top of the inner wall of the inner support ring (261); an air filter cartridge (263) is movably plugged into the top of the inner support ring (261); and the bottom of the air filter cartridge (263) is connected to the top of the magnetic block (262) by magnetic attraction.
6. The rust removal, paint removal and polishing equipment for bridge maintenance according to claim 5 is characterized by: The bottom of the vertical cylinder (26) is fixedly connected to a suction fan body (264), the bottom of the suction fan body (264) is fixedly connected to a flow diversion hood (267), and the bottom of the flow diversion hood (267) is fixedly connected to a flow diversion hose (268).
7. The rust removal, paint removal and polishing equipment for bridge maintenance according to claim 6 is characterized by: A connecting rod (265) is welded on the outer wall of the vertical cylinder (26), and a water storage cylinder (266) is fixedly mounted on one end of the connecting rod (265) away from the outer wall of the vertical cylinder (26), and the inner cavity of the water storage cylinder (266) is filled with clean water.
Citation Information
Patent Citations
Municipal bridge bottom rust removal handheld grinding equipment
CN212044097U