Shaft wheel dismounting and mounting equipment convenient to operate

Abstract

The utility model is applicable to the field of shaft wheel dismounting and mounting, and provides shaft wheel dismounting and mounting equipment convenient to operate, which comprises a base, four guide components, an upper cross beam, a movable beam, an ejection cylinder and two telescopic oil cylinders, and the base comprises a lower cross beam and a through hole; the height of the workbench of the device can be adjusted according to actual conditions, the device can disassemble shaft wheels with different lengths, the device can work automatically, the disassembly and assembly efficiency is improved, potential safety hazards in the man-machine interaction process are avoided, full-hydraulic centralized control is achieved, the whole control is completed by 1-2 persons, and the device is convenient to use and high in practicability. The device is simple in structure, convenient to operate and uniform in stress during press fitting, calibration errors of the bearing and a bearing hole are effectively reduced, it is guaranteed that enough axial clearance exists between a shaft and the bearing, and the dismounting and mounting cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of shaft wheel dismounting, especially relates to a shaft wheel dismounting equipment convenient to operate. BACKGROUND

[0002] In the coal preparation field, the speed reducer, the exciter and the scraper are the core driving and production equipment, which are subjected to high-intensity operation for a long time. Due to the production cycle and severe wear, the key shaft wheel structure inside these devices often needs to be replaced, such as the gear shaft inside the speed reducer, the shaft wheel combination in the exciter, and the shaft and wheel parts of the chain wheel in the head and tail wheel group of the scraper, so as to maintain the smooth development of production activities.

[0003] The speed reducer is a mechanical transmission device that can reduce the rotating speed and increase the torque. Its internal structure includes multiple gear shafts, which are typical shaft wheel parts. The gear and the shaft are tightly combined by means of key connection or integral molding. The rotation of the shaft drives the rotation of the gear. Through the meshing of gears of different specifications, the rotating speed and torque are flexibly changed, and then the power is accurately transmitted from the input shaft to the output shaft, meeting the diversified working requirements of various devices.

[0004] The exciter is a device that generates vibration. It is generally composed of a motor, an eccentric block and a shaft. When the exciter operates, the shaft drives the eccentric block to rotate at high speed, generating periodic excitation force. In the design structure of some exciters, the eccentric block can be regarded as a special "wheel" that works with the shaft and belongs to a special form of shaft wheel. In addition, some exciters have gear transmission structures to control the rotating speed or transmit power. The combination of these gears and shafts also belongs to the category of shaft wheels.

[0005] The chain wheel in the head and tail wheel group of the scraper is also a common type of shaft wheel. In actual operation, once the dismounting and installation of the shaft wheel structure are involved, the shaft needs to be separated from the wheel part. However, when facing the dismounting of the shaft installed inside the eccentric block, gear and chain wheel, due to the high precision requirement of maintenance work, the site often cannot provide the corresponding maintenance conditions, and can only choose to outsource maintenance. This not only leads to a significant increase in maintenance cost, but also when dismounting the chain wheel, the current method is to rely on two sets of oxygen-acetylene cutting torches to burn for a long time until the temperature rises to 100-180℃ before dismounting operation can be carried out. This method not only consumes time and effort, but also oxygen-acetylene is a flammable and explosive gas, and there is a great safety hazard in the entire operation process. A slight mistake may cause serious accidents;

[0006] Therefore, a shaft wheel dismounting equipment convenient to operate is needed to solve the above problems. UTILITY MODEL CONTENTS

[0007] The embodiment of the utility model discloses a shaft wheel dismounting equipment convenient to operate to solve the problems in the foregoing background art.

[0008] To achieve the above object, the utility model provides the following technical scheme:

[0009] A shaft wheel dismounting equipment convenient to operate, including base, four guide assemblies, upper crossbeam, movable beam, knockout cylinder and two telescopic oil cylinders, the base includes lower crossbeam and through -hole,

[0010] The guide assembly includes stand and a plurality of positioning holes, and the bottom end of the four stands is connected with the upper surface of the lower crossbeam, and the top end of the four stands is connected with the lower surface of the upper crossbeam.

[0011] The movable beam includes workbench, through slot and a plurality of jack plugs, the through slot is set up in the workbench, the workbench is slidably connected outside the four stands, the two jack plugs in front and the two jack plugs in back are all inserted with plug rods, the four plug rods are all inserted in the positioning holes in the four stands, the two telescopic oil cylinders are clamped in the upper crossbeam, and the bottom end of the two telescopic oil cylinders is connected with the upper surface of the workbench.

[0012] Four hydraulic cylinders are connected to the workbench, two clamping plates are overlapped on the workbench, and the clamping plates are connected with the two hydraulic cylinders.

[0013] As a preferred implementation, the through hole is arranged at the middle part of the lower crossbeam, the upper surface of the lower crossbeam is connected with a protection frame, and the through hole is located between the four stands.

[0014] As a preferred implementation, the through slot is located directly above the through hole, and the through slot is located directly below the knockout cylinder.

[0015] As a preferred implementation, the through slot is located between the two telescopic oil cylinders, and the knockout cylinder is arranged between the two telescopic oil cylinders.

[0016] As a preferred implementation, the workbench is arranged between the upper crossbeam and the lower crossbeam, the upper surface of the workbench is overlapped with a shaft wheel, the shaft wheel is overlapped with the two clamping plates, and the shaft wheel is arranged in the through slot and the protection frame.

[0017] As a preferred implementation, the workbench is arranged below the knockout cylinder, and the shaft wheel is arranged directly below the knockout cylinder.

[0018] Compared with the prior art, the utility model has the beneficial effects that:

[0019] The utility model discloses, be provided with ejection cylinder, telescopic oil cylinder, stand and workbench, when the movable beam of movement adjusts to the suitable height, then the axle wheel is placed on the workbench, controls two telescopic oil cylinders to contract, controls two clamping plates to be close to each other and fixes the axle wheel, starts the hydraulic station of external control and controls ejection cylinder work, and then completes the axle wheel dismounting work, because the height of the workbench of this device can be adjusted according to actual conditions, this device can carry out dismounting operation to the axle wheel of different length, and the equipment can automatic work, improves the dismounting efficiency, avoids the potential safety hazard in human-computer interaction process, full hydraulic centralized control, whole control is completed by 1-2 people, and the operation is convenient, and the stress is even when pressing, effectively reduces bearing and bearing hole calibration error, guarantees that there is enough axial play between the axle and bearing, reduces the dismounting expense.

[0020] The utility model discloses, be provided with stand and workbench, because workbench sliding connection is in four stands outside, four stands can be positioned to workbench, make workbench not sway in the movement process, make workbench can along the axial direction of stand steady motion under the action of two telescopic oil cylinders.

[0021] In order to more clearly set forth the structural features and efficacy of the utility model, below combining with the specific embodiment to the utility model is explained in detail with the accompanying drawings. DRAWINGS

[0022] Figure 1 It is the structure schematic diagram of the front view of the utility model;

[0023] Figure 2 It is the structure schematic diagram of the side view of the utility model;

[0024] Figure 3 It is the cross section structure schematic diagram of the plan view of the utility model;

[0025] Figure 4 It is the structure schematic diagram of the utility model Figure 3 A place of the utility model;

[0026] Figure 5 It is the structure schematic diagram of the partial view of the utility model.

[0027] In the drawing: 1, base;11, lower crossbeam;12, through -hole;13, protection frame;2, guide assembly;21, stand;22, positioning hole;3, upper crossbeam;4, movable beam;41, workbench;42, through slot;43, jack;44, hydraulic cylinder;45, clamping plate;5, ejection cylinder;6, telescopic oil cylinder;7, plug rod;8, axle wheel. PREFERRED EMBODIMENT

[0028] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0029] The specific implementation of this utility model will be described in detail below with reference to specific embodiments.

[0030] Example 1

[0031] like Figures 1-5 As shown, this utility model embodiment provides an easy-to-operate axle wheel 8 disassembly and assembly device, including a base 1, four guide components 2, an upper crossbeam 3, a movable beam 4, an ejector cylinder 5, and two telescopic cylinders 6. The base 1 includes a lower crossbeam 11 and a through hole 12.

[0032] The guide assembly 2 includes columns 21 and several positioning holes 22. The bottom ends of the four columns 21 are connected to the upper surface of the lower crossbeam 11, and the top ends of the four columns 21 are connected to the lower surface of the upper crossbeam 3.

[0033] The movable beam 4 includes a worktable 41, a through groove 42, and several insertion holes 43. The through groove 42 is opened inside the worktable 41. The worktable 41 is slidably connected to the outside of four columns 21. Insert rods 7 are inserted into the two insertion holes 43 at the front and the two insertion holes 43 at the rear. The four insertion rods 7 are inserted into the positioning holes 22 inside the four columns 21. By setting up columns 21 and worktable 41, and because the worktable 41 is slidably connected to the outside of four columns 21, the four columns 21 can limit the worktable 41, so that the worktable 41 will not shake during the movement. The worktable 41 can move smoothly along the axial direction of the columns 21 under the action of two telescopic hydraulic cylinders 6.

[0034] Two telescopic cylinders 6 are snapped into the upper crossbeam 3. The bottom ends of the two telescopic cylinders 6 are connected to the upper surface of the workbench 41. By setting the insertion hole 43, the insertion rod 7 and the positioning hole 22, the insertion rod 7 inserted into the positioning hole 22 is inserted into the corresponding insertion hole 43 in the workbench 41. The insertion rod 7 and the positioning hole 22 cooperate with each other to fix the workbench 41 in this position.

[0035] Four hydraulic cylinders 44 are connected to the workbench 41, and two clamping plates 45 are attached to the workbench 41, which are connected to the two hydraulic cylinders 44.

[0036] like Figure 5 As shown, specifically, the through groove 42 is located directly above the through hole 12, the through groove 42 is located directly below the ejector cylinder 5, the through groove 42 is located between the two telescopic cylinders 6, and the ejector cylinder 5 is located between the two telescopic cylinders 6.

[0037] likeFigure 2 , Figure 5 As shown, specifically, the workbench 41 is located between the upper crossbeam 3 and the lower crossbeam 11. The upper surface of the workbench 41 is connected to the axle wheel 8, which is connected to two clamping plates 45. The axle wheel 8 is located in the through groove 42 and the protective frame 13.

[0038] In this embodiment, the two moving clamps 45 limit and fix the shaft wheel 8 directly below the ejector cylinder 5;

[0039] like Figure 1 and Figure 2 As shown, specifically, the worktable 41 is located below the ejector cylinder 5, and the shaft wheel 8 is located directly below the ejector cylinder 5.

[0040] In this embodiment, the elongated ejector cylinder 5 can contact the shaft structure in the axle wheel 8, and then eject the shaft structure from the wheel structure.

[0041] Example 2

[0042] Please see Figures 1-2 The difference between this embodiment and embodiment 1 is that the through hole 12 is opened in the middle part of the lower crossbeam 11, the upper surface of the lower crossbeam 11 is connected to the protective frame 13, and the through hole 12 is located between the four columns 21.

[0043] In this embodiment, since the shaft structure in the axle wheel 8 is located inside the protective frame 13, when the extended ejector cylinder 5 ejects the shaft structure from the wheel structure in the axle wheel 8, the shaft structure can move inside the protective frame 13 and then fall into the protective frame 13, so that the protective frame 13 can block the shaft structure, making it less likely for the disassembled shaft structure to tip over.

[0044] The working principle and usage process of this utility model are as follows: When it is necessary to disassemble or assemble the shaft wheel 8 in equipment such as reducers, vibrators, or scraper conveyors, connect the two telescopic cylinders 6, the four hydraulic cylinders 44, and the ejector cylinder 5 to an external hydraulic station. Then, start the external hydraulic station. The working hydraulic station controls the extension or retraction of the two telescopic cylinders 6. The extension or retraction of the two telescopic cylinders 6 causes the movable beam 4 to slide outside the four columns 21, so that the movable beam 4 is adjusted to a suitable height, and the shaft wheel 8 is moved between the two front columns 21. The shaft passes through the gap and moves to the top of the worktable 41. Then, the shaft structure below the shaft wheel 8 passes through the through groove 42 and moves into the protective frame 13. Then, the shaft wheel 8 is placed on the worktable 41. The four hydraulic cylinders 44 are controlled to extend. The two clamping plates 45 close to each other limit and fix the shaft wheel 8 directly below the ejector cylinder 5. Then, the two telescopic cylinders 6 are controlled to retract. The two retracted telescopic cylinders 6 drive the shaft wheel 8 to move upward through the worktable and move to a suitable height. The external hydraulic station is started to control the ejector cylinder 5 to work, thereby completing the disassembly and assembly of the shaft wheel 8.

[0045] The above merely describes the preferred embodiments of the present application, and is not intended to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An easy-to-operate axle and wheel disassembly and assembly device, comprising a base (1), four guide components (2), an upper crossbeam (3), a movable beam (4), an ejector cylinder (5), and two telescopic cylinders (6), characterized in that: The base (1) includes a lower crossbeam (11) and a through hole (12); The guide assembly (2) includes columns (21) and several positioning holes (22). The bottom ends of four columns (21) are connected to the upper surface of the lower crossbeam (11), and the top ends of four columns (21) are connected to the lower surface of the upper crossbeam (3). The movable beam (4) includes a workbench (41), a through slot (42) and several insertion holes (43). The through slot (42) is opened in the workbench (41). The workbench (41) is slidably connected to the outside of four columns (21). Insert rods (7) are inserted into the two insertion holes (43) at the front and the two insertion holes (43) at the rear. The four insertion rods (7) are inserted into the positioning holes (22) in the four columns (21). Two telescopic cylinders (6) are snapped into the upper crossbeam (3). The bottom ends of the two telescopic cylinders (6) are connected to the upper surface of the workbench (41). Four hydraulic cylinders (44) are connected to the workbench (41), and two clamps (45) are attached to the workbench (41). The clamps (45) are connected to the two hydraulic cylinders (44).

2. The easy-to-operate axle and wheel disassembly and assembly device according to claim 1, characterized in that: The through hole (12) is located in the middle of the lower crossbeam (11), and a protective frame (13) is connected to the upper surface of the lower crossbeam (11). The through hole (12) is located between the four columns (21).

3. The easy-to-operate axle and wheel disassembly and assembly device according to claim 1, characterized in that: The through groove (42) is located directly above the through hole (12) and directly below the ejector cylinder (5).

4. The easy-to-operate axle and wheel disassembly and assembly device according to claim 1, characterized in that: The through groove (42) is located between the two telescopic cylinders (6), and the ejector cylinder (5) is located between the two telescopic cylinders (6).

5. The easy-to-operate axle and wheel disassembly and assembly device according to claim 1, characterized in that: The workbench (41) is located between the upper crossbeam (3) and the lower crossbeam (11). The upper surface of the workbench (41) is connected to a shaft wheel (8). The shaft wheel (8) is connected to two clamping plates (45). The shaft wheel (8) is located in the through groove (42) and the protective frame (13).

6. The easy-to-operate axle and wheel disassembly and assembly device according to claim 5, characterized in that: The worktable (41) is located below the ejector cylinder (5), and the axle wheel (8) is located directly below the ejector cylinder (5).

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