Tool for disassembling and assembling lifting roller and belt pulley of rail beam sawing and drilling machine

Abstract

The utility model relates to a tool for dismounting a lifting roller and a belt pulley of a rail beam saw drilling machine, and belongs to the field of dismounting equipment. The device comprises a pressing plate (1), a screw rod (2) and a jack (4), penetrating and sleeving holes (12) are symmetrically formed in the two ends of the pressing plate (1), and a fixing hole (11) with threads is formed in the middle of the pressing plate (1); the threaded rod (2) is arranged in the penetrating sleeve hole (12) or the fixing hole (11) in a penetrating mode, the other end of the threaded rod (2) can be connected with an end face threaded hole or a shaft center threaded hole in the non-roller side of the speed reducer (5), the base end of the jack (4) is in contact connection with the inner side of the pressing plate (1), and the extending rod end of the jack (4) is in contact connection with the center of a roller shaft or the end face of the non-roller side of the speed reducer (5). The device can effectively reduce the dismounting time of the lifting roller and the belt pulley of the rail beam saw drilling machine, reduce the maintenance operation cost and the dismounting damage risk, and improve the assembly quality. The problems that an existing gas cutting mode can only be damaged and dismantled, and the risk that the speed reducer is damaged exists in the dismantling process are solved.

Description

Technical Field

[0001] The utility model relates to a tool for disassembling and assembling a lifting roller and a pulley of a rail beam sawing and drilling machine, belonging to the field of disassembly and assembly equipment. Background Art

[0002] The lifting roller / pulley of the rail beam sawing and drilling machine and its speed reducer are fixed by a locking nut and a key. Due to the long-term presence of water, metal dust and iron filings in the working place, the fixing part will be stuck. When disassembling and assembling the lifting roller / pulley, it is basically impossible to remove it by hammering and using a ejector rod. Since the front end of the speed reducer is oblong, it is impossible to grasp it with a hydraulic puller, and only the gas cutting method can be used, and only the lifting roller / pulley can be destructively removed. There is also a risk of damage to the speed reducer during the disassembly and assembly process. Content of the Utility Model

[0003] The technical problem to be solved by the utility model is that the existing gas cutting method can only destructively remove the lifting roller / pulley, and there is also a risk of damage to the speed reducer during the disassembly and assembly process.

[0004] The technical solution adopted by the utility model to solve its technical problems is: a tool for disassembling and assembling a lifting roller and a pulley of a rail beam sawing and drilling machine, including a pressing plate, a screw rod and a jack. Through holes are symmetrically arranged at both ends of the pressing plate, and a threaded fixing hole is arranged in the middle; the screw rod can be inserted into the through hole or the fixing hole, and the other end of the screw rod can be connected with the threaded hole on the end face or the threaded hole at the shaft center on the non-roller side of the speed reducer. The base end of the jack is in contact connection with the inner side of the pressing plate, and the extending rod end is in contact connection with the shaft center or the end face on the non-roller side of the speed reducer.

[0005] Among them, the fixing hole in the above device is a threaded hole structure.

[0006] Among them, the fixing hole in the above device is a through hole structure, and a connecting nut is welded on one side of the fixing hole.

[0007] Among them, several through holes on one side of the pressing plate are arranged at intervals.

[0008] Further, the through hole near the end of the pressing plate is a strip-shaped hole structure.

[0009] Among them, the screw rod in the above device is a full screw rod structure, and at least two adjusting nuts are arranged on the screw rod.

[0010] Among them, the pressing plate in the above device is a long strip structure, and both ends are arc-shaped.

[0011] Among them, the jack in the above device is a hand-operated screw jack.

[0012] Among them, a fixed angle iron is arranged on the side of the pressing plate near the fixing hole.

[0013] Among them, a fixed angle iron is arranged on the side of the pressing plate closest to the outermost sleeve hole in the above device.

[0014] The beneficial effects of the present utility model are as follows: This device can be frequently and repeatedly used in the disassembly and assembly operations of lifting rollers and pulleys, etc. of roller path reducers such as rail beam saw drilling machines, improving the efficiency of disassembling and assembling lifting rollers and pulleys. It has two functions in one, and the device is simple and practical. It can reduce the labor and time used in the disassembly and assembly operations of roller path reducer equipment, thereby reducing the maintenance operation cost, and can also reduce the damage risk of lifting rollers, pulleys and their reducers, improve the assembly quality of lifting rollers, and can be popularized to the disassembly and assembly operations of various roller path reducers. Brief Description of the Drawings

[0015] Figure 1 It is a schematic diagram of the removal structure of the present utility model.

[0016] Figure 2 It is a schematic diagram of the installation structure of the present utility model.

[0017] Figure 3 It is a schematic diagram of the structure of the pressing plate of the present utility model.

[0018] Figure 4 It is a schematic diagram of the structure with a fixed angle iron arranged on the side of the fixed hole of the pressing plate of the present utility model.

[0019] Figure 5 It is a schematic diagram of the structure with a fixed angle iron arranged on the side of the sleeve hole of the pressing plate of the present utility model.

[0020] Reference numerals: 1 is the pressing plate, 11 is the fixed hole, 12 is the sleeve hole, 2 is the screw rod, 3 is the adjusting nut, 4 is the jack, 5 is the reducer, and 6 is the fixed angle iron. Detailed Description of the Preferred Embodiment

[0021] The present utility model will be further described below with reference to the accompanying drawings.

[0022] As Figures 1 to 5As shown in the figure, the tool for disassembling and assembling the lifting roller and pulley of the rail beam sawing and drilling machine of the present utility model includes a pressing plate 1, a screw rod 2 and a jack 4. Both ends of the pressing plate 1 are symmetrically provided with through holes 12, and a threaded fixing hole 11 is provided in the middle; the screw rod 2 can be passed through the through hole 12 or the fixing hole 11, and the other end of the screw rod 2 can be connected to the end face threaded hole or the shaft center threaded hole on the non-roller side of the reducer 5. The base end of the jack 4 is in contact connection with the inner side of the pressing plate 1, and the extending rod end is in contact connection with the shaft center or the end face on the non-roller side of the reducer 5. Those skilled in the art can understand that this device has two functions in one. Specifically, it includes a pressing plate 1, a screw rod 2 and a jack 4, and the number of the screw rod 2 and the jack 4 is adjusted according to the actual disassembly and assembly. Specifically, through holes 12 are symmetrically provided at both ends of the pressing plate 1, and a threaded fixing hole 11 is provided in the middle; the screw rod 2 can be passed through the through hole 12, and the other end of the screw rod 2 can be connected to the end face threaded hole on the non-roller side of the reducer 5. The base end of the jack 4 is in contact connection with the inner side of the pressing plate 1, and the extending rod end is in contact connection with the shaft center. This structure is the assembly structure during disassembly. The screw rod 2 can be passed through the fixing hole 11, the other end of the screw rod 2 is connected to the shaft center threaded hole, the base end of the jack 4 is in contact connection with the inner side of the pressing plate 1, and the extending rod end is in contact connection with the end face on the non-roller side of the reducer 5. This structure is the assembly structure during assembly. Specifically, during disassembly, two screw rods 2 are passed through the through holes 12 and fixed on the reducer 5 by using the two diagonal end cover bolt holes on the non-roller side of the reducer 5. Then, 1 jack 4 is installed at the center of the pressing plate 1. The base of the jack 4 is tightened against the pressing plate 1. After adjusting and operating the jack 4 to make the top cover of the jack 4 abut against the shaft center, operate the jack 4 to separate the lifting roller from the reducer 5, and complete the disassembly operation of the lifting roller. Similarly, the disassembly and assembly process of the pulley is the same as that of the lifting roller.

[0023] During assembly, one screw rod 2 is passed through the central fixing hole 11 of the pressing plate 1 and then connected to the shaft center threaded hole. Two jacks are installed on both sides of the reducer 5. The base of the jack 4 is tightened against the pressing plate 1. After adjusting and operating the jack 4 to make the top cover of the jack 4 abut against the reducer, alternately operate the two jacks 4. After pulling the lifting roller into the corresponding position of the reducer 5, complete the assembly operation of the lifting roller. If there is no threaded hole in the shaft center of the lifting roller and the pulley, only a nut needs to be welded in the middle of it. And after assembly, the nut is not removed and can be repeatedly used during the assembly process.

[0024] Preferably, the fixing hole 11 in the above device is a threaded hole structure. Those skilled in the art can understand that in order to facilitate the threaded connection between the screw rod 2 and the fixing hole 11 in the middle of the pressing plate 1 during assembly, the fixing hole 11 is preferably a threaded hole structure. Actually, only the screw rod 2 needs to pass through the pressing plate 1 and then be threadedly connected to the threaded hole at the shaft center. The shaft can be directly pulled to the appropriate position by the jack 4 to complete the assembly.

[0025] Preferably, in the above device, the fixing hole 11 is a through-hole structure, and a connecting nut is welded to one side of the fixing hole 11. Those skilled in the art can understand that this device only preferably adopts another structure of the fixing hole 11. Specifically, the fixing hole 11 is preferably a through-hole structure, and a connecting nut is welded to one side of the fixing hole 11. The screw rod 2 is threadedly connected to the pressing plate 1 through the connecting nut.

[0026] Preferably, in the above device, a plurality of the sleeve holes 12 on one side of the pressing plate 1 are arranged at intervals. Those skilled in the art can understand that in order to conveniently adapt to the threaded connections of the end faces of speed reducers 5 of different sizes, this device preferably has a plurality of the sleeve holes 12 on one side of the pressing plate 1 arranged at intervals, which are used to adjust the distance between the two screw rods 2 during disassembly.

[0027] Preferably, in the above device, the sleeve hole 12 near the end of the pressing plate 1 is a strip-shaped hole structure. Those skilled in the art can understand that in order to conveniently adjust the distance between the two screw rods 2 during disassembly and meet the requirements for removing the end faces of speed reducers 5 of different sizes, this device preferably has the sleeve hole 12 near the end of the pressing plate 1 as a strip-shaped hole structure, and the fine adjustment of the screw rod 2 is realized through the strip-shaped hole.

[0028] Preferably, in the above device, the screw rod 2 is a full screw rod structure, and at least two adjusting nuts 3 are sleeved on the screw rod 2. Those skilled in the art can understand that this device preferably has the screw rod 2 as a full screw rod structure, and at least two adjusting nuts 3 are sleeved on the screw rod 2. This structural setting enables the effective length of the screw rod 2 to be adjusted through the adjusting nuts 3, so that the pressing plate 1 is located between the two adjusting nuts 3.

[0029] Preferably, in the above device, the pressing plate 1 is a long strip-shaped structure, and both ends are arc-shaped. Those skilled in the art can understand that in order to reduce the weight, the pressing plate 1 is preferably a long strip-shaped structure, and is actually made of a 20-mm thick steel plate. At the same time, to avoid the sharp ends from harming the workers, the two ends of the pressing plate 1 are preferably arc-shaped.

[0030] Preferably, in the above device, the jack 4 is a hand-operated screw jack. Those skilled in the art can understand that in order to facilitate the operation, this device preferably has the jack 4 as a hand-operated screw jack.

[0031] Preferably, in the above device, a fixed angle iron 6 is arranged on the side of the pressing plate 1 close to the fixing hole 11. Those skilled in the art can understand that in order to facilitate the fixation of the base end of the jack 4, this device preferably has a fixed angle iron 6 arranged on the side of the pressing plate 1 close to the fixing hole 11. During assembly, the base end of the jack 4 can be directly placed in the fixed angle iron 6, reducing the installation strength.

[0032] Preferably, a fixed angle iron 6 is arranged on the side of the pressing plate 1 near the outermost sleeve hole 12. Those skilled in the art can understand that, in order to facilitate the fixing of the base end of the jack 4, it is preferred that the pressing plate 1 of this device is provided with a fixed angle iron 6 on the side near the outermost sleeve hole 12, so that when disassembling, the base end of the jack 4 can be directly placed in the fixed angle iron 6, reducing the installation strength.

Claims

1. A tool for disassembling and assembling the lifting roller and pulley of a rail beam sawing and drilling machine, characterized in that: It includes a pressing plate (1), a screw rod (2) and a jack (4). At both ends of the pressing plate (1), through holes (12) are symmetrically arranged respectively, and a threaded fixing hole (11) is arranged in the middle; the screw rod (2) can be passed through the through hole (12) or the fixing hole (11), and the other end of the screw rod (2) can be connected to the end face threaded hole or the shaft center threaded hole on the non-roller side of the speed reducer (5). The base end of the jack (4) is in contact connection with the inner side of the pressing plate (1), and the extending rod end is in contact connection with the shaft center or the end face on the non-roller side of the speed reducer (5).

2. The tool for disassembling and assembling the lifting roller and pulley of the rail beam saw drilling machine according to claim 1, wherein: The fixing hole (11) is of a threaded hole structure.

3. The tool for disassembling and assembling the lifting roller and pulley of the rail beam sawing and drilling machine according to claim 1, characterized in that: The fixing hole (11) is of a through hole structure, and a connecting nut is welded on one side of the fixing hole (11).

4. The tool for disassembling and assembling the lifting roller and pulley of the rail beam sawing and drilling machine according to claim 1, wherein: A number of the unilateral through holes (12) of the pressing plate (1) are arranged at intervals.

5. The tool for disassembling and assembling the lifting roller and pulley of the rail beam sawing and drilling machine according to claim 4, characterized in that: The through hole (12) near the end of the pressing plate (1) is of a strip-shaped hole structure.

6. The tool for disassembling and assembling the lifting roller and pulley of the rail beam sawing and drilling machine according to claim 1, characterized in that: The screw rod (2) is of a full screw rod structure, and at least two adjusting nuts (3) are arranged on the screw rod (2).

7. The tool for disassembling and assembling the lifting roller and pulley of the rail beam sawing and drilling machine according to claim 1, characterized in that: The pressing plate (1) is of a long strip structure, and both ends are arc-shaped.

8. The tool for disassembling and assembling the lifting roller and pulley of the rail beam sawing and drilling machine according to claim 1, characterized in that: The jack (4) is a hand-operated screw jack.

9. The tool for disassembling and assembling the lifting roller and pulley of the rail beam sawing and drilling machine according to claim 1, wherein: A fixing angle iron (6) is arranged on the side of the pressing plate (1) near the fixing hole (11).

10. The tool for disassembling and assembling the lifting roller and pulley of the rail beam sawing and drilling machine according to claim 1, characterized in that: A fixing angle iron (6) is arranged on the side of the pressing plate (1) near the outermost through hole (12).

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