A hoist outer car welding equipment
By designing a welding equipment for external vehicles of the hoist, using welding platforms, templates, oil cylinders and PLC control systems, the problems of inefficient splicing welding and inconsistent size in the prior art are solved, and efficient and automated welding processes and size standardization are achieved.
Patent Information
- Application Number
- CN202421314567.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-11
- Publication Date
- 2025-04-04
- Estimated Expiration
- 2034-06-11
AI Technical Summary
The splicing and welding of the frame parts of the existing elevators mainly relies on manual operations, making it difficult to control the coaxiality and parallelism, resulting in inconsistent dimensions, inability to ensure interchangeability, low welding efficiency, often need to be trimmed, and installation is difficult.
A lift external transport welding equipment is designed, including welding platform, formwork, oil cylinder, guide rod and PLC control system. Through precise positioning, fixing and motion control, the equipment can be achieved to ensure welding quality and efficiency.
Through automated control, welding efficiency and quality are improved, the uniformity and interchangeability of the size of the elevator outside the elevator is ensured, the loss of manual operation is reduced, and the installation process is simplified.
Smart Images

Figure CN222711211U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field related to a hoist trolley of environmental protection equipment, and specifically relates to a hoist outer car welding device. Background Art
[0002] An elevator is a mechanical device used for vertical transportation of goods or people. It is widely used in industry, agriculture, ports, cargo stations, warehousing, material yards, transportation, and environmental protection equipment systems. The elevator is driven by an electric or hydraulic system and rises or descends along a fixed track to complete the vertical transportation task of goods or people conveniently and quickly.
[0003] At present, the splicing and welding of the hoist outer car frame parts are mainly carried out manually on a welding platform for simple splicing and free welding. It is difficult to control the coaxiality of the inner and outer car connecting shafts and the bearing seats at both ends of the pressure wheel shaft. The parallelism between the two shafts is poor, and the size uniformity and interchangeability of the hoist outer car cannot be guaranteed. The welding production efficiency is very low, resulting in the inner and outer cars often needing to be repaired during assembly and installation. The installation work is very difficult and many cannot be installed and are returned to the manufacturer for repair. Utility Model Content
[0004] The purpose of the utility model is to provide a hoist outer car welding device to solve the problem that the splicing and welding of the hoist outer car frame parts proposed in the above background technology is mainly simple splicing and free welding manually on a welding platform, it is difficult to control the coaxiality of the bearing seats at both ends of the inner and outer car connecting shafts and the pressure wheel shaft, the parallelism between the two shafts is poor, the size uniformity and interchangeability of the hoist outer car cannot be guaranteed, the welding production efficiency is very low, resulting in the inner and outer cars often needing to be trimmed during assembly and installation, the installation work is very difficult and there are many problems that cannot be installed and need to be returned to the manufacturer for trimming.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hoist outer car welding device, comprising a welding platform;
[0006] The bottom of the welding platform is provided with supporting legs, the upper part of the welding platform is provided with an external vehicle, and the welding equipment of the lifting vehicle is powered by an external power supply;
[0007] A square hole is arranged at the middle position inside the welding platform, a left template and a right template are arranged on the left and right sides above the square hole respectively, positioning bars are arranged inside the left template and the right template, and a first oil cylinder is arranged at the left side of the welding platform.
[0008] Preferably, a positioning plate is provided at the inner side of the left template, and the positioning plate is fixedly connected by fixing bolts, a support is provided at the upper position of the positioning plate, a locking bolt is provided at the inner position of the support, locking bent plates are provided on the left and right sides of the square hole respectively, and four rails are provided in an array at the bottom position of the left template, and the left template is slidably connected to the rails.
[0009] Preferably, a first frame is provided at the outer side of the first cylinder, the first frame is connected to the welding platform by fixing bolts, a sliding sleeve is symmetrically installed in the middle of the first frame, a guide rod is provided at the right side of the first frame, the guide rod is slidably connected to the sliding sleeve, a guide rod flange is provided at the front end of the guide rod, the guide rod is connected and fixed to the left template by the guide rod flange, the guide rod drives the left template to slide on the rail, the first cylinder is fixedly connected to the first frame by the cylinder flange, a first cylinder rod is provided at the right side of the first cylinder, the first cylinder rod is connected to the left template by the cylinder rod flange, the first cylinder rod drives the left template to slide synchronously, and a travel switch is provided at the front end of the first frame.
[0010] Preferably, a second frame is provided at the bottom position of the square hole, a second cylinder is provided at the inside position of the second frame, a second cylinder rod is provided at the upper position of the second cylinder, the second frame and the second cylinder are fixedly connected through a cylinder flange, a supporting pad is provided at the middle position inside the square hole, the supporting pad is slidably connected to the square hole, and travel switches are respectively provided on the upper and lower sides of the supporting pad.
[0011] Preferably, a PLC travel cabinet is arranged at the middle position on the front side of the welding platform, a hydraulic pump station is arranged at the right side of the PLC travel cabinet, and an electromagnetic reversing valve is arranged at the upper position of the hydraulic pump station.
[0012] Preferably, the right template and the left template are milled into hexahedrons by a CNC machining center to control the parallelism and verticality of the periphery.
[0013] Preferably, an outer car pressure wheel shaft is provided at the bottom of the outer car, and the outer car side plate is cut by CNC laser line cutting of the periphery and the outer car pressure wheel shaft holes, the inner and outer car connecting shaft holes, and the fixed pulley holes.
[0014] Compared with the prior art, the utility model provides a hoist outer car welding device, which has the following beneficial effects:
[0015] 1. Through the arrangement of the right template, the left template, the positioning plate, the support, the square hole, the rail, the first oil cylinder, the first frame, the sliding sleeve, the guide rod, the guide rod flange, the guide rod flange, the first oil cylinder rod, the travel switch, the second frame, the second oil cylinder, the second oil cylinder rod and the support pad, the combined configuration can realize the precise positioning, fixation and motion control of the equipment. Through the cooperation of the oil cylinder, the guide rod, the travel switch and other devices, the stable movement and precise position control of the equipment can be realized, which can meet the requirements of complex workpiece processing or assembly. The various components are fixedly connected by bolts, flanges and the like, with a compact structure and coordinated cooperation, which can ensure the stability and reliability of the equipment during operation, ensure work efficiency and safety, and realize automatic control of the equipment through sensor devices such as the travel switch, thereby improving production efficiency and reducing the loss of equipment caused by manual operation.
[0016] 2. Through the setting of PLC travel cabinet, hydraulic pump station and electromagnetic reversing valve, the operating system is automatically controlled by PLC program control cabinet throughout the whole process, and the tooling positioning equipment is accurate, reliable and flexible to operate. When splicing and welding the welds of the external car, strictly control its external dimensions and thermal deformation to achieve uniformity and interchangeability, standardize and serialize the dimensions of the hoisting machine external car, improve the appearance and welding quality, improve the accuracy of the assembly and installation dimensions of the hoisting machine external car, improve the welding work efficiency, and ensure smooth assembly and installation. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a structural schematic diagram of the utility model.
[0018] Figure 2 It is a structural schematic diagram of the first oil cylinder in the utility model.
[0019] Figure 3 It is a structural schematic diagram of the front side of the welding platform in the utility model.
[0020] Figure 4 It is a structural schematic diagram of the side surface of the welding platform in the utility model.
[0021] Figure 5 It is a structural schematic diagram of the Chinese and foreign vehicles of the utility model.
[0022] Figure 6 It is a structural schematic diagram of the hydraulic pump station in the utility model.
[0023] Figure 7 It is a structural schematic diagram of the PLC travel cabinet in the utility model.
[0024] Figure 8 It is a structural schematic diagram of the welding equipment operation process flow chart in the utility model.
[0025] In the figure: 1. welding platform; 2. right template; 3. left template; 4. positioning plate; 5. fixing bolt; 6. locking bent plate; 7. guide rod flange; 8. guide rod; 9. sliding sleeve; 10. first frame; 11. cylinder rod flange; 12. first cylinder rod; 13. first cylinder; 14. rail; 15. second frame; 16. second cylinder rod; 17. second cylinder; 18. support pad; 19. locking bolt; 20. support; 21. cylinder flange; 22. travel switch; 23. positioning lever; 24. external car; 25. hydraulic pump station; 26. electromagnetic reversing valve; 27. plc travel cabinet; 28. square hole; 29. external car pressure wheel shaft. DETAILED DESCRIPTION
[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0027] The utility model provides Figure 1-8 The hoist outer car welding equipment shown includes a welding platform 1;
[0028] A support leg is provided at the bottom of the welding platform 1, and an external vehicle 24 is provided above the welding platform 1. The welding equipment of the external vehicle is powered by an external power supply;
[0029] A square hole 28 is provided in the middle of the welding platform 1, a left template 3 and a right template 2 are provided on the left and right sides above the square hole 28, positioning bars are provided inside the left template 3 and the right template 2, and a first oil cylinder 13 is provided on the left side of the welding platform 1.
[0030] A positioning plate 4 is provided at the inner side of the left template 3, and the positioning plate 4 is fixedly connected by fixing bolts 5. A support 20 is provided above the positioning plate 4, and a locking bolt 19 is provided at the inner side of the support 20. Locking bent plates 6 are provided on the left and right sides of the square hole 28, respectively. Four rails 14 are arranged in an array at the bottom of the left template 3, and the left template 3 is slidably connected to the rails 14.
[0031] A first frame 10 is provided at the outer side of the first oil cylinder 13, and the first frame 10 is connected to the welding platform 1 by fixing bolts 5. A sliding sleeve 9 is symmetrically installed in the middle of the first frame 10, and a guide rod 8 is provided at the right side of the first frame 10. The guide rod 8 is slidably connected to the sliding sleeve 9, and a guide rod flange 7 is provided at the front end of the guide rod 8. The guide rod 8 is connected and fixed to the left template 3 through the guide rod flange 7, and the guide rod 8 drives the left template 3 to slide on the rail 14. The first oil cylinder 13 is fixedly connected to the first frame 10 through the cylinder flange 21, and a first cylinder rod 12 is provided at the right side of the first oil cylinder 13. The first cylinder rod 12 and the left template 3 are connected through the cylinder rod flange 11, and the first cylinder rod 12 drives the left template 3 to slide synchronously, and a travel switch 22 is provided at the front end of the first frame 10.
[0032] A second frame 15 is provided at the bottom of the square hole 28, a second cylinder 17 is provided inside the second frame 15, a second cylinder rod 16 is provided above the second cylinder 17, the second frame 15 and the second cylinder 17 are fixedly connected via a cylinder flange 21, a support pad 18 is provided at the middle position inside the square hole 28, the support pad 18 is slidably connected to the square hole 28, and travel switches 22 are provided on the upper and lower sides of the support pad 18, respectively.
[0033] A PLC travel cabinet 27 is arranged at the middle position of the front side of the welding platform 1 , a hydraulic pump station 25 is arranged at the right side of the PLC travel cabinet 27 , and an electromagnetic reversing valve 26 is arranged above the hydraulic pump station 25 .
[0034] The right template 2 and the left template 3 are milled into hexahedrons by a CNC machining center to control the parallelism and verticality of the periphery.
[0035] An outer car pressure wheel shaft 29 is arranged at the bottom of the outer car 24, and the outer car 24 side plate is cut by CNC laser line cutting of the periphery and the outer car pressure wheel shaft holes, the inner and outer car connecting shaft holes, and the fixed pulley holes.
[0036] In this embodiment, a specific implementation step of a hoist outer car welding device is that the two cylinder rods of the welding equipment are in a retracted state before work. When working, the outer car 24 side panels must be CNC laser line cut around the outer car pressure wheel shaft holes, inner and outer car connecting shaft holes, and fixed pulley holes before welding. After processing and grinding, they are in a state ready for welding. Start the PLC control cabinet 27 to start the hydraulic pump station 25, the electromagnetic reversing valve 26, and the first oil cylinder 13 to start working. The first oil cylinder rod 13 pushes the left template 3 to move forward easily along the lower track 14 and the two guide rods 8. When it moves to the positioning plate 4 and stops encountering resistance, it triggers the travel switch 27 to sense the electromagnetic reversing valve 26 to stop the oil inlet. The electromagnetic reversing valve 26 and the second oil cylinder 17 start the second oil cylinder rod 16 to push the support pad 18 along the four sides of the square hole 28 and move upward until it encounters the travel switch 27. At this time, the working operation assembles the two side plates and various components of the outer car 24 according to the structure of the drawing and fits them tightly to the inner side of the right template 2 and the left template 3, and tightens the inner side of the side through the locking bolts 19 and the locking bent plate 6 bolts. The position of each component is accurate, and it is firmly and reliably inserted into the positioning rod 23 and the outer car pressure wheel shaft 29 to be welded. After the welding is completed and cooled, start the hydraulic pump station 25, the electromagnetic reversing valve 26, and the first oil The cylinder 13 starts the second cylinder rod 12 to shrink and pull the left template 3 to move easily backward along the lower track 14 and the two guide rods 8. When it moves to the triggering stroke switch 27 and the electromagnetic reversing valve 26 stops oil inlet, the electromagnetic reversing valve 26 and the second cylinder 17 start working, and the second cylinder rod 16 shrinks and pulls the support pad 18 to move downward along the four sides of the square hole 28 until it meets the stroke switch 27. The outer car 24 is disassembled and the welded parts are corrected, polished, painted, marked and put into storage. The operating system is automatically controlled by the plc programmable control cabinet 25 throughout the process. The tooling positioning equipment is accurate, reliable and flexible to operate. When splicing and welding the welds of the outer car, its external dimensions are strictly controlled, thermal deformation is controlled, and uniformity and interchangeability are achieved, so that the size of the hoisting machine outer car is standardized and serialized, the appearance and welding quality are improved, the assembly and installation size accuracy with the hoisting machine inner car is improved, the welding work efficiency is improved, and the assembly and installation are smooth and in place.
[0037] like Figure 1-7As shown, a positioning plate 4 is provided at the inner side of the left template 3, and the positioning plate 4 is fixedly connected by fixing bolts 5, a support 20 is provided at the upper position of the positioning plate 4, a locking bolt 19 is provided at the inner side of the support 20, and locking bent plates 6 are provided on the left and right sides of the square hole 28 respectively, four rails 14 are arranged in an array at the bottom of the left template 3, and the left template 3 is slidably connected to the rails 14, a first frame 10 is provided at the outer side of the first oil cylinder 13, and the first frame 10 is connected to the welding platform 1 by fixing bolts 5, a sliding sleeve 9 is symmetrically installed in the middle of the first frame 10, a guide rod 8 is provided at the right side of the first frame 10, and the guide rod 8 is slidably connected to the sliding sleeve 9, a guide rod flange 7 is provided at the front end of the guide rod 8, and the guide rod 8 is connected and fixed to the left template 3 by the guide rod flange 7, and the guide rod 8 The left template 3 is driven to slide on the rail 14. The first cylinder 13 is fixedly connected to the first frame 10 through the cylinder flange 21. The first cylinder rod 12 is arranged on the right side of the first cylinder 13. The first cylinder rod 12 and the left template 3 are connected through the cylinder rod flange 11. The first cylinder rod 12 drives the left template 3 to slide synchronously. A travel switch 22 is arranged at the front end of the first frame 10. The second frame 15 is arranged at the bottom of the square hole 28. The second cylinder 17 is arranged inside the second frame 15. The second cylinder rod 16 is arranged above the second cylinder 17. The second frame 15 and the second cylinder 17 are fixedly connected through the cylinder flange 21. A support pad 18 is arranged at the middle position inside the square hole 28. The support pad 18 is slidably connected to the square hole 28. The travel switches 22 are respectively arranged on the upper and lower sides of the support pad 18.
[0038] Preferably, the device is internally provided with a plurality of components such as a positioning plate 4, a support 20, a locking bolt 19, a locking bent plate 6, a cylinder, a guide rod, etc., and their combined configuration enables precise positioning, fixation and motion control of the device. Through the cooperation of devices such as the cylinder, the guide rod, and the travel switch 27, stable movement and precise position control of the device can be achieved, which can meet the requirements of complex workpiece processing or assembly. The various components are fixedly connected by bolts, flanges, etc., with a compact structure and coordinated cooperation, which can ensure that the equipment is stable and reliable during operation, and ensure work efficiency and safety. Automatic control of the equipment can be achieved through sensor devices such as the travel switch 22, thereby improving production efficiency and reducing the loss of the equipment caused by manual operation.
[0039] like Figure 1 and Figure 5-7 As shown, a PLC travel cabinet 27 is arranged at the middle position on the front side of the welding platform 1, a hydraulic pump station 25 is arranged at the right side of the PLC travel cabinet 27, and an electromagnetic reversing valve 26 is arranged above the hydraulic pump station 25. The right template 2 and the left template 3 are milled into a hexahedron by a CNC machining center to control the parallelism and verticality of the periphery.
[0040] Preferably, the operating system is automatically controlled by the PLC control cabinet 27 throughout the whole process, and the tooling positioning equipment is accurate, reliable and flexible to operate. When splicing and welding the welds of the external car, strictly control its external dimensions and thermal deformation to achieve uniformity and interchangeability, standardize and serialize the dimensions of the external car, improve the appearance and welding quality, improve the accuracy of the assembly and installation dimensions of the external car, improve the welding work efficiency, and ensure smooth assembly and installation.
[0041] like Figure 1-8 As shown, an outer car pressure wheel shaft 29 is arranged at the bottom of the outer car 24, and the side plate of the outer car 24 is cut by CNC laser line cutting around the periphery and each outer car pressure wheel shaft hole, the inner and outer car connecting shaft hole, and each fixed pulley hole.
[0042] Optionally, CNC laser wire cutting technology can achieve high-precision cutting to ensure the accuracy of the size of the side panels and holes, thereby ensuring the precise assembly and stable operation of the external vehicle pressure wheel shaft, connecting shaft and other components. The use of CNC laser wire cutting technology to process the external vehicle side panels and various holes has the advantages of high precision, high efficiency, good quality and simple process, which can improve the manufacturing quality and production efficiency of the equipment.
[0043] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A hoist outer car welding device, comprising a welding platform (1); The welding platform (1) is provided with supporting legs at the bottom, and an external vehicle (24) is provided above the welding platform (1), and the welding equipment of the external vehicle is powered by an external power supply; Features: A square hole (28) is provided at the middle position inside the welding platform (1), a left template (3) and a right template (2) are provided on the left and right sides above the square hole (28), positioning bars are provided inside the left template (3) and the right template (2), and a first oil cylinder (13) is provided at the left side of the welding platform (1).
2. The hoist outer car welding equipment according to claim 1 is characterized in that: A positioning plate (4) is arranged at the inner side of the left template (3), and the positioning plate (4) is fixedly connected by fixing bolts (5). A support (20) is arranged above the positioning plate (4), and a locking bolt (19) is arranged at the inner side of the support (20). Locking bent plates (6) are arranged on the left and right sides of the square hole (28), respectively. Four rails (14) are arranged in an array at the bottom of the left template (3), and the left template (3) is slidably connected to the rails (14).
3. The hoist outer car welding equipment according to claim 2 is characterized in that: A first frame (10) is arranged at an outer position of the first oil cylinder (13), the first frame (10) is connected to the welding platform (1) via fixing bolts (5), a sliding sleeve (9) is symmetrically installed in the middle of the first frame (10), a guide rod (8) is arranged at a right position of the first frame (10), the guide rod (8) is slidably connected to the sliding sleeve (9), a guide rod flange (7) is arranged at a front end position of the guide rod (8), and the guide rod (8) is connected to the left template (3) via the guide rod flange (7) The guide rod (8) drives the left template (3) to slide on the track (14); the first oil cylinder (13) is fixedly connected to the first frame (10) via a cylinder flange (21); a first oil cylinder rod (12) is arranged at the right side of the first oil cylinder (13); the first oil cylinder rod (12) and the left template (3) are connected via a cylinder rod flange (11); the first oil cylinder rod (12) drives the left template (3) to slide synchronously; and a travel switch (22) is arranged at the front end of the first frame (10).
4. The hoist outer car welding equipment according to claim 3 is characterized in that: A second frame (15) is arranged at the bottom of the square hole (28), a second oil cylinder (17) is arranged inside the second frame (15), a second oil cylinder rod (16) is arranged above the second oil cylinder (17), the second frame (15) and the second oil cylinder (17) are fixedly connected via an oil cylinder flange (21), a support pad (18) is arranged at the middle of the square hole (28), the support pad (18) is slidably connected to the square hole (28), and travel switches (22) are respectively arranged on the upper and lower sides of the support pad (18).
5. The hoist outer car welding equipment according to claim 1 is characterized in that: A PLC travel cabinet (27) is arranged at the middle position on the front side of the welding platform (1), a hydraulic pump station (25) is arranged at the right side of the PLC travel cabinet (27), and an electromagnetic reversing valve (26) is arranged at the upper position of the hydraulic pump station (25).
6. The hoist outer car welding equipment according to claim 5, characterized in that: The right template (2) and the left template (3) are milled into hexahedrons by a numerical control machining center to control the parallelism and verticality of the periphery.
7. The hoist outer car welding equipment according to claim 1 is characterized in that: An outer car pressure wheel shaft (29) is arranged at the bottom of the outer car (24), and the outer car (24) side plate is cut by numerical control laser line cutting of the periphery and the outer car pressure wheel shaft holes, the inner and outer car connecting shaft holes, and the fixed pulley holes.