CN215789585U - Dismounting device for hollow shaft speed reducer - Google Patents
Dismounting device for hollow shaft speed reducer Download PDFInfo
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- CN215789585U CN215789585U CN202122042217.7U CN202122042217U CN215789585U CN 215789585 U CN215789585 U CN 215789585U CN 202122042217 U CN202122042217 U CN 202122042217U CN 215789585 U CN215789585 U CN 215789585U
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- hollow shaft
- internal thread
- reducer
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Abstract
The utility model provides a hollow shaft speed reducer dismounting device, central hole (7) are seted up to drawing board (1) central point, the central hole is provided with the internal thread and passes through internal thread spiro union transition nut (3), transition nut upper surface central point puts and sets up the internal thread hole, threaded hole is provided with ejector pin (2), the ejector pin outline is provided with the screw thread and passes through this screw thread and transition nut internal thread spiro union, the upper end fixed connection of ejector pin twists the torsion end (201) of ejector pin, the lower extreme of ejector pin sets up top (4), cylinder hole (401) with ejector pin lower extreme clearance laminating are seted up to top upper surface, mated slotted hole (9) have been seted up to the central hole periphery, be provided with in the slotted hole and draw lead screw (5), drawing board lower surface symmetry is provided with strengthening rib (8), draw the flange edge symmetry and set up handle (6). The utility model has simple structure and convenient operation, can meet the disassembly requirement of the reducer with large-range size, and can solve the problems of large mass and extremely difficult disassembly of the traditional hollow shaft reducer.
Description
Technical Field
The utility model relates to a dismounting device, in particular to a dismounting device for a hollow shaft speed reducer, and belongs to the technical field of light engineering dismounting tools.
Background
A belt conveyor in cigarette machine equipment widely uses a hollow shaft speed reducer, belt power of the belt conveyor is derived from a driving motor and the hollow shaft speed reducer, the belt conveyor runs at a high speed for a long time due to production arrangement, a driving roller bearing and the hollow shaft speed reducer need to be frequently maintained, and the hollow shaft speed reducer is detached. However, the hollow shaft reducer is tightly allocated with the shaft, and is limited by factors such as high position of the reducer, small operation space, large mass of the hollow shaft reducer and the like, so that the disassembly is extremely difficult, and the existing disassembling tool cannot meet the disassembly requirement of the reducer with large-range size and is inconvenient to use.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model provides a dismounting device for a hollow shaft speed reducer, which is simple in structure and convenient to operate, can meet the dismounting requirement of the speed reducer with large-range size, and can solve the problems of large mass and extremely difficult dismounting of the conventional hollow shaft speed reducer.
In order to achieve the purpose, the utility model provides a dismounting device for a hollow shaft speed reducer, which comprises a drawing plate, wherein a central hole is formed in the central position of the drawing plate, an internal thread is arranged in the central hole and is in threaded connection with a transition nut through the internal thread, an internal thread hole is formed in the central position of the upper surface of the transition nut, a top rod is arranged in the threaded hole, threads are arranged on the outer contour of the top rod and are in threaded connection with the internal thread of the transition nut through the threads, the upper end of the top rod is fixedly connected with a torsion end of the torsion top rod, a top is arranged at the lower end of the top rod, a cylindrical hole which is in clearance fit with the lower end of the top rod is formed in the upper surface of the top rod, paired long circular holes are formed in the periphery of the central hole, a drawing screw rod is arranged in the long circular hole, reinforcing ribs are symmetrically arranged on the lower surface of the drawing plate, and handles are symmetrically arranged at the edge of the drawing plate.
As a further improvement of the utility model, the drawing plate is disc-shaped, the diameter of the drawing plate is 240mm, and the reinforcing rib is positioned on one side of the drawing plate close to the speed reducer.
As a further improvement of the utility model, the diameter of the central hole is 50mm, and the internal thread of the central hole is a trapezoidal thread.
As a further improvement of the utility model, the handle is symmetrically arranged on the edge of the upper surface of the pulling plate, and the inner contour of the handle is a smooth cambered contour.
As a further improvement of the drawing plate, multiple groups of long round holes are arranged, each long round hole comprises a first long round hole, a second long round hole and a third long round hole, the lengths and the widths of the first long round hole, the second long round hole and the third long round hole are different, and the first long round hole, the second long round hole and the third long round hole are symmetrically arranged by taking the circle center of the drawing plate as a reference.
As a further improvement of the utility model, the drawing screw rods are provided with various sizes, the size of the drawing screw rods is matched with that of the speed reducer, and the size of the drawing screw rods is matched with that of the oblong holes.
As a further improvement of the utility model, the torsion end of the ejector rod is a hexagonal torsion transmission end, two sets of ejector rods are arranged, and the two sets of ejector rods are respectively in threaded connection with the transition nut and the internal thread hole of the central hole.
As a further improvement of the utility model, the ejector rod is provided with a joint which is in clearance fit with the cylindrical hole, and the joint is movably connected with the cylindrical hole.
The long round holes are arranged in multiple groups, the lengths and the widths of the long round holes are different, the long round holes are symmetrically arranged by taking the circle center of the drawing plate as a reference, the drawing device is suitable for different speed reducer models, the size of the screw thread of the drawing screw rod is matched with the size of the speed reducer, the size of the rod is matched with the long round holes, and adaptive type selection can be performed; the drawing plate is disc-shaped, the diameter of the drawing plate is 240mm, the drawing plate is suitable for the size of a speed reducer used in the existing production line, and reinforcing ribs are distributed on one side, close to the speed reducer, of the drawing plate and used for improving the strength of the device and making up for the defects of selected materials; the hexagonal torque transmission end is arranged at one end of the ejector rod and used for applying force, the two sets of the ejector rods are arranged and are respectively suitable for small-size and large-size speed reducers, the ejector rod is respectively in threaded connection with the internal thread holes of the transition nut and the central hole, the torque transmission effect is achieved, and the hexagonal torque transmission end is convenient to use when the small speed reducer is detached and adopts the thin ejector rod.
Drawings
FIG. 1 is a first view of an assembly structure of the present invention;
FIG. 2 is a schematic diagram of an explosive structure according to the present invention;
FIG. 3 is a schematic diagram of a drawplate structure according to the present invention;
fig. 4 is a schematic view of the assembly structure of the present invention.
In the figure: 1. the drawing plate comprises a drawing plate body, 2 parts of a push rod, 201 parts of a torque end, 3 parts of a transition nut, 4 parts of a tip, 401 parts of a cylindrical hole, 5 parts of a drawing screw rod, 6 parts of a handle, 7 parts of a central hole, 8 parts of a reinforcing rib, 9 parts of a long round hole, 901 parts of a first long round hole, 902 parts of a second long round hole, 903 parts of a third long round hole.
Detailed Description
The utility model will be further explained with reference to the drawings.
As shown in fig. 1 to 4, a hollow shaft speed reducer dismounting device comprises a drawing plate 1, wherein a central hole 7 is formed in the central position of the drawing plate 1, an internal thread is arranged in the central hole 7 and is in threaded connection with a transition nut 3 through the internal thread, an internal thread hole is formed in the central position of the upper surface of the transition nut 3, a mandril 2 is arranged in the threaded hole, a thread is arranged on the outer contour of the mandril 2 and is in threaded connection with the internal thread of the transition nut 3 through the thread, the upper end of the mandril 2 is fixedly connected with a torsion end 201 for twisting the mandril 2, a tip 4 is arranged at the lower end of the mandril 2, a cylindrical hole 401 in clearance fit with the lower end of the mandril 2 is formed in the upper surface of the tip 4, paired long circular holes 9 are formed in the periphery of the central hole 7, a drawing screw rod 5 is arranged in the long circular hole 9, reinforcing ribs 8 are symmetrically arranged on the lower surface of the drawing plate 1, and handles 6 are symmetrically arranged on the edge of the drawing plate 1.
As shown in fig. 3, the drawing board 1 is the disc, and drawing board 1 diameter is 240mm, and the strengthening rib 8 is located drawing board 1 and is close to speed reducer one side, through setting up drawing board 1 to the disc, and the diameter is 240mm, can adapt to the used speed reducer size of present production line, distributes in drawing board 1 through strengthening rib 8 and is close to speed reducer one side for hoisting device intensity makes up the not enough of chooseing for use the material.
The diameter of the central hole 7 is 50mm, the internal thread of the central hole 7 is a trapezoidal thread, and the internal hole is a trapezoidal thread, so that the bearing device can bear larger load.
The handle 6 symmetry is seted up at the upper surface edge of drawplate 1, and the profile sets up to smooth cambered surface profile in the handle 6, through setting up handle 6 symmetry in drawplate 1 both sides, utilizes handle 6 to support during the use, guarantees the stability and the equilibrium of device.
The long round holes 9 are provided with multiple groups, each long round hole 9 comprises a first long round hole 901, a second long round hole 902 and a third long round hole 903, the lengths and the widths of the first long round hole 901, the second long round hole 902 and the third long round hole 903 are different, the first long round hole 901, the second long round hole 902 and the third long round hole 903 are symmetrically arranged by taking the circle center of the drawing plate 1 as a reference, the long round holes 9 are arranged and are multiple groups, the lengths and the widths are different, the circle center of the drawing plate 1 is used as a reference, and the device is suitable for different speed reducer models.
As shown in fig. 1 and 2, the drawing screw rod 5 has various sizes, the drawing screw rod 5 is matched with the reducer in size, the drawing screw rod 5 is matched with the oblong hole 9 in size, and the drawing screw rod 5 is matched with the reducer in size, so that the rod is matched with the oblong hole in size, and the matching and the model selection can be performed.
As shown in fig. 1 and 4, the torque end 201 of the ejector rod 2 is a hexagonal torque transmission end, the ejector rod 2 is provided with two sets, the two sets of ejector rods 2 are respectively screwed with the internal thread holes of the transition nut 3 and the central hole 7, the hexagonal torque transmission end is arranged at one end of the ejector rod 2 and used for applying force, the two sets of ejector rods 2 are respectively suitable for small-size and large-size speed reducers, the ejector rod 2 is respectively screwed with the internal thread holes of the transition nut 3 and the central hole 7 to play a role in transmitting torque, and the torque transmission device is used when the small speed reducer is disassembled and adopts the thin ejector rod 2.
The top rod 2 is provided with a joint in clearance fit with the cylindrical hole 401, the joint is movably connected with the cylindrical hole 401, the cylindrical hole 401 is formed in the center 4, the top rod 2 is provided with a joint in clearance fit with the cylindrical hole 401, relative motion can be generated, the speed reducer is convenient to disassemble and assemble and is stable, and the speed reducer is convenient to replace after being worn.
The working principle is as follows: when the small speed reducer is disassembled, a handle 6 of the disassembling device is held by a hand, a transition nut 3 is screwed into a central hole 7 of a drawing plate 1, a mandril 2 with the end surface diameter of 20mm corresponding to an inner hole of the transition nut 3 is selected, an inner hole of the transition nut 3 is screwed, an adaptive drawing screw rod 5 is selected, the drawing screw rod 5 penetrates through a proper long round hole 9 according to the size of the speed reducer, the drawing screw rod 5 is screwed into a drawing hole of the speed reducer, a tip 4 is placed at the shaft end of the mandril 2, the drawing screw rod 5 is screwed into the drawing hole of the speed reducer by rotating the drawing screw rod 5, the shaft end of the mandril 2 generates pressure on the speed reducer, and meanwhile, the drawing screw rod 5 generates relative tension on the speed reducer to draw the speed reducer;
when dismantling large-scale speed reducer, handheld dismounting device handle 6, select in the ejector pin 2 that the end diameter 50mm who corresponds with the internal thread of drawing board 1 twists the centre bore 7 of drawing board 1, select drawing lead screw 5 of adaptation, and pass suitable slotted hole 9 according to the speed reducer size, it twists the speed reducer and draws downthehole to draw lead screw 5, make top 4 arrange the axle head of ejector pin 2 in, and draw lead screw 5 through the rotation, draw downthehole through drawing lead screw 5 twist the speed reducer, make 2 axle heads of ejector pin produce pressure to the speed reducer, it produces relative pulling force to the speed reducer to draw lead screw 5 simultaneously, pull out the speed reducer, this kind of hollow shaft speed reducer dismounting device, possess and satisfy size speed reducer dismantlement requirement on a large scale, high durability and convenient use's advantage, and has higher practical value.
Claims (8)
1. A hollow shaft speed reducer dismounting device comprises a drawing plate (1) and is characterized in that a center hole (7) is formed in the center of the drawing plate (1), an internal thread is formed in the center hole (7) and is in threaded connection with a transition nut (3) through the internal thread, an internal thread hole is formed in the center of the upper surface of the transition nut (3), a push rod (2) is arranged in a threaded hole, threads are arranged on the outer contour of the push rod (2) and are in threaded connection with the internal thread of the transition nut (3) through the threads, the upper end of the push rod (2) is fixedly connected with a torsion end (201) for twisting the push rod (2), a tip (4) is arranged at the lower end of the push rod (2), a cylindrical hole (401) in clearance fit with the lower end of the push rod (2) is formed in the upper surface of the tip (4), paired long round holes (9) are formed in the periphery of the center hole (7), and a drawing screw rod (5) is arranged in the long hole (9), the lower surface of the drawing plate (1) is symmetrically provided with reinforcing ribs (8), and the edge of the drawing plate (1) is symmetrically provided with handles (6).
2. The hollow shaft reducer dismounting device according to claim 1, wherein the drawing plate (1) is disc-shaped, the diameter of the drawing plate (1) is 240mm, and the reinforcing ribs (8) are positioned on one side of the drawing plate (1) close to the reducer.
3. Hollow shaft reducer disassembly device according to claim 2, wherein the diameter of the central hole (7) is 50mm, and the internal thread of the central hole (7) is a trapezoidal thread.
4. The hollow shaft reducer dismounting device according to claim 1 or 2, wherein the handles (6) are symmetrically arranged on the edge of the upper surface of the drawing plate (1), and the inner contour of the handles (6) is arranged to be a smooth cambered contour.
5. The hollow shaft speed reducer dismounting device according to claim 4, wherein multiple groups of long round holes (9) are arranged, each long round hole (9) comprises a first long round hole (901), a second long round hole (902) and a third long round hole (903), the lengths and the widths of the first long round hole (901), the second long round hole (902) and the third long round hole (903) are different, and the first long round hole (901), the second long round hole (902) and the third long round hole (903) are symmetrically arranged by taking the circle center of the drawing plate (1) as a reference.
6. A dismounting device of a hollow shaft reducer according to claim 5, characterized in that said drawing screw (5) is provided in a plurality of sizes, the drawing screw (5) being sized to match the reducer size, the drawing screw (5) being sized to match the oblong hole (9).
7. The hollow shaft reducer dismounting device according to claim 1 or 2, wherein the torsion end (201) of the ejector rod (2) is a hexagonal torsion transmission end, two sets of ejector rods (2) are arranged, and the two sets of ejector rods (2) are respectively in threaded connection with the internal thread holes of the transition nut (3) and the central hole (7).
8. The hollow shaft reducer dismounting device according to claim 1 or 2, wherein the ejector rod (2) is provided with a joint in clearance fit with the cylindrical hole (401), and the joint is movably connected with the cylindrical hole (401).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122042217.7U CN215789585U (en) | 2021-08-27 | 2021-08-27 | Dismounting device for hollow shaft speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122042217.7U CN215789585U (en) | 2021-08-27 | 2021-08-27 | Dismounting device for hollow shaft speed reducer |
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| Publication Number | Publication Date |
|---|---|
| CN215789585U true CN215789585U (en) | 2022-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122042217.7U Active CN215789585U (en) | 2021-08-27 | 2021-08-27 | Dismounting device for hollow shaft speed reducer |
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| Country | Link |
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| CN (1) | CN215789585U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114654418A (en) * | 2022-03-29 | 2022-06-24 | 红塔烟草(集团)有限责任公司 | Multifunctional drawing tool |
| CN114822328A (en) * | 2022-04-08 | 2022-07-29 | 浙江师范大学 | Propaganda device based on intelligent voice technology for social administration and propaganda method thereof |
-
2021
- 2021-08-27 CN CN202122042217.7U patent/CN215789585U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114654418A (en) * | 2022-03-29 | 2022-06-24 | 红塔烟草(集团)有限责任公司 | Multifunctional drawing tool |
| CN114654418B (en) * | 2022-03-29 | 2024-05-24 | 红塔烟草(集团)有限责任公司 | Multifunctional drawing tool |
| CN114822328A (en) * | 2022-04-08 | 2022-07-29 | 浙江师范大学 | Propaganda device based on intelligent voice technology for social administration and propaganda method thereof |
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