CN202668031U - Disassembly and assembly structure of reduction box output shaft and flange plate - Google Patents
Disassembly and assembly structure of reduction box output shaft and flange plate Download PDFInfo
- Publication number
- CN202668031U CN202668031U CN 201220330023 CN201220330023U CN202668031U CN 202668031 U CN202668031 U CN 202668031U CN 201220330023 CN201220330023 CN 201220330023 CN 201220330023 U CN201220330023 U CN 201220330023U CN 202668031 U CN202668031 U CN 202668031U
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- ring flange
- cushion block
- output shaft
- pressing plate
- boss
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Abstract
The utility model discloses a disassembly and assembly structure of a reduction box output shaft and a flange plate. The disassembly and assembly structure comprises a pressing plate, a cushion block and a hydraulic nut; first through holes are respectively formed in the centers of the pressing plate and the cushion block, a plurality of second through holes are also formed on the pressing plate, screw holes are formed on the flange plate, and the pressing plate is in threaded connection with the flange plate through first bolts which penetrate though the second holes and are screwed into the screw holes; the cushion block has a first boss and a second boss which extend from the two sides, central screw holes are formed on the output shaft, and the cushion block is in threaded connection with the output shaft through second bolts which penetrate through the first through holes and are screwed into the central screw holes; the hydraulic nut has a nut body and a piston, an oil delivery passage is formed on the nut body, the hydraulic nut is sleeved on the first boss, during the disassembly, the nut body of the hydraulic nut is propped against the cushion block, and the piston is propped against the pressing plate; and during the assembly, the nut body of the hydraulic nut is propped against the pressing plate, and the piston is propped against the cushion block. The disassembly and assembly structure is convenient to disassemble and assemble, is safe and reliable and is simple in structure, the assembly efficiency is increased, and the labor intensity is reduced.
Description
Technical field
The utility model relates to the disassembly and assembly structure between a kind of component of machine, particularly relates to the disassembly and assembly structure of a kind of speed reducer output shaft and ring flange.
Background technology
Existing speed reducer output shaft and ring flange are when mounted, for example a kind of coal mill speed reducer output shaft and ring flange are when mounted, what adopt is that the large interference of 2 degree taperings is connected, although the connected mode that the large interference of this 2 degree taperings is connected is reliable, but installation and removal are inconvenient, even in disassembly process output shaft or ring flange caused damage.
Summary of the invention
It is convenient that the technical problems to be solved in the utility model provides a kind of installation and removal, and safe and reliable when dismounting, can not cause the speed reducer output shaft of damage and the disassembly and assembly structure of ring flange to parts.
For solving the problems of the technologies described above, the utility model adopts the disassembly and assembly structure of a kind of like this speed reducer output shaft and ring flange, described ring flange has a taper hole, and this ring flange is connected with the speed reducer output shaft interference fit by described taper hole, and this disassembly and assembly structure comprises pressing plate, cushion block and hydraulic nut; Central authorities at described pressing plate and cushion block offer respectively first through hole, on described pressing plate, also offer some second through holes, described ring flange is provided with the screw corresponding with described the second through hole, and described pressing plate is threaded with described ring flange by the first bolt that passes described the second through hole and be screwed into described screw; Described cushion block has the first boss and the second boss that extend both sides, described the second boss can stretch in the taper hole of described ring flange, described speed reducer output shaft is provided with a center screw, and described cushion block is threaded with described speed reducer output shaft by the second bolt that passes described the first through hole and be screwed into described center screw; The piston that described hydraulic nut has nut body and is slidingly connected with this nut body, be provided with the hydraulic oil oil transportation channel at described nut body, this hydraulic nut is sleeved on the first boss of described cushion block, when dismounting, the nut body of described hydraulic nut and described cushion block offset, and the piston of described hydraulic nut and described pressing plate offset; When mounted, the nut body of described hydraulic nut and described pressing plate offset, and the piston of described hydraulic nut and described cushion block offset.
In the utility model, the cross section of described pressing plate, cushion block and the first boss and the second boss is circle, and the external diameter of described the second boss is held diameter less than the taper hole microcephaly of described ring flange.
After adopting said structure, when dismounting, only need pressing plate is threaded with ring flange by the first bolt, the second boss on the cushion block and the axle head of speed reducer output shaft offset, then in the oil transportation channel of hydraulic nut, inject hydraulic oil, the hydraulic oil pushing piston moves upward, and the second boss that promotes cushion block during piston movement moves downward, thereby speed reducer output shaft and ring flange are separated; When mounted, only need cushion block is threaded with speed reducer output shaft by the second bolt, nut body and the pressing plate of hydraulic nut offset, piston and the cushion block of hydraulic nut offset, then in the oil transportation channel of hydraulic nut, inject hydraulic oil, the hydraulic oil pushing piston moves upward, and promotion cushion block and the second bolt move upward simultaneously during piston movement, thereby make speed reducer output shaft along with moving upward of the second bolt combines with ring flange.The utility model installation and removal are convenient, and safe and reliable when dismounting, can not cause damage to parts, and it is simple in structure, has greatly improved efficiency of assembling, has reduced simultaneously labour intensity.
As a kind of preferred embodiment of the present utility model, on the taper hole of described ring flange, also be provided with annular oil groove, be provided with the hydraulic oil oil transportation channel at described ring flange, this hydraulic oil oil transportation channel and described annular oil groove connect.After adopting said structure, when dismounting, adopt superpressure oil pump to inject hydraulic oil to the oil transportation channel on the ring flange, make between output shaft and the ring flange taper hole so on the one hand and form oil film, thereby reduce the coefficient of friction of both faying faces, on the other hand, after hydraulic oil is full of the annular oil groove of ring flange taper hole, force the ring flange taper hole to expand outwardly, both are easier to be separated thereby make.This structure makes the dismounting safety and reliability, has avoided better parts are caused damage.
Description of drawings
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is described in further detail.
Fig. 1 is a kind of disassembly status schematic diagram of the utility model speed reducer output shaft and ring flange disassembly and assembly structure.
Fig. 2 is the schematic top plan view of Fig. 1.
Fig. 3 is a kind of installment state schematic diagram of the utility model speed reducer output shaft and ring flange disassembly and assembly structure.
The specific embodiment
Referring to Fig. 1 to a kind of speed reducer output shaft shown in Figure 3 and the disassembly and assembly structure of ring flange, described ring flange 1 has a taper hole 1-1, this ring flange 1 is connected with speed reducer output shaft 2 interference fit by described taper hole 1-1, and this disassembly and assembly structure comprises pressing plate 3, cushion block 4 and hydraulic nut 5; Central authorities at described pressing plate 3 and cushion block 4 offer respectively the first through hole 3-1, a 4-1, on described pressing plate 3, also offer some second through hole 3-2, as shown in Figure 2, this second through hole 3-2 has 6 and uniform along the axis of described the first through hole 3-1, described ring flange 1 is provided with the screw 1-2 corresponding with described the second through hole 3-2, and described pressing plate 3 is threaded with described ring flange 1 by the first bolt 6 that passes described the second through hole 3-2 and be screwed into described screw 1-2; Described cushion block 4 has the first boss 4-2 and the second boss 4-3 that extend both sides, described the second boss 4-3 can stretch in the taper hole 1-1 of described ring flange 1, described speed reducer output shaft 2 is provided with a center screw 2-1, and described cushion block 4 is threaded with described speed reducer output shaft 2 by the second bolt 7 that passes described the first through hole 3-1,4-1 and be screwed into described center screw 2-1; The piston 5-2 that described hydraulic nut 5 has nut body 5-1 and is slidingly connected with this nut body 5-1, be provided with hydraulic oil oil transportation channel 5-3 at described nut body 5-1, this hydraulic nut 5 is sleeved on the first boss 4-2 of described cushion block 4, when dismounting, nut body 5-1 and the described cushion block 4 of described hydraulic nut 5 offset, and piston 5-2 and the described pressing plate 3 of described hydraulic nut 5 offset; When mounted, nut body 5-1 and the described pressing plate 3 of described hydraulic nut 5 offset, and piston 5-2 and the described cushion block 4 of described hydraulic nut 5 offset.
In the utility model, on the taper hole 1-1 of described ring flange 1, also be provided with annular oil groove 1-1-1, be provided with hydraulic oil oil transportation channel 1-3 at described ring flange 1, this hydraulic oil oil transportation channel 1-3 and described annular oil groove 1-1-1 connect.When dismounting, adopt superpressure oil pump to inject hydraulic oil to the oil transportation channel 1-3 on the ring flange 1, make between output shaft 2 and the ring flange taper hole 1-1 so on the one hand and form oil film, thereby reduce the coefficient of friction of both faying faces, on the other hand, after hydraulic oil is full of the annular oil groove 1-1-1 of ring flange taper hole 1-1, force ring flange taper hole 1-1 to expand outwardly, thereby make ring flange 1 and output shaft 2 easier separating.
The cross section of pressing plate 3 in the utility model, cushion block 4 and the first boss 4-2 and the second boss 4-3 preferably is circle, and the external diameter of described the second boss 4-3 is held diameter less than the taper hole 1-1 microcephaly of described ring flange 1.
Referring to Fig. 1, ring flange 1 and output shaft 2 are when dismounting, only need pressing plate 3 is threaded with ring flange 1 by the first bolt 6, the second boss 4-3 on the cushion block 4 and the axle head of speed reducer output shaft 2 offset, then in the oil transportation channel 5-3 of hydraulic nut 5, inject hydraulic oil, hydraulic oil pushing piston 5-2 moves upward, and the second boss 4-3 that promotes cushion block 4 during piston 5-2 motion moves downward, thereby speed reducer output shaft 2 and ring flange 1 are separated.
Referring to Fig. 3, ring flange 1 and output shaft 2 are when mounted, only need cushion block 4 is threaded with speed reducer output shaft 2 by the second bolt 7, nut body 5-1 and the pressing plate 3 of hydraulic nut 5 offset, piston 5-2 and the cushion block 4 of hydraulic nut 5 offset, then in the oil transportation channel 5-3 of hydraulic nut 5, inject hydraulic oil, hydraulic oil pushing piston 5-2 moves upward, promotion cushion block 4 and the second bolt 7 move upward simultaneously during piston 5-2 motion, thereby make speed reducer output shaft 2 along with moving upward of the second bolt 7 combines with ring flange 1.
The utility model is simple in structure, has improved the efficiency of assembling of ring flange and output shaft, has reduced labour intensity, has obtained good effect.
Claims (3)
1. the disassembly and assembly structure of a speed reducer output shaft and ring flange, described ring flange (1) has a taper hole (1-1), this ring flange (1) is connected with speed reducer output shaft (2) interference fit by described taper hole (1-1), it is characterized in that: this disassembly and assembly structure comprises pressing plate (3), cushion block (4) and hydraulic nut (5); Central authorities at described pressing plate (3) and cushion block (4) offer respectively first through hole (3-1,4-1), on described pressing plate (3), also offer some second through holes (3-2), described ring flange (1) is provided with the screw (1-2) corresponding with described the second through hole (3-2), and described pressing plate (3) is threaded with described ring flange (1) by the first bolt (6) that passes described the second through hole (3-2) and be screwed into described screw (1-2); Described cushion block (4) has the first boss (4-2) and the second boss (4-3) that extend both sides, described the second boss (4-3) can stretch in the taper hole (1-1) of described ring flange (1), described speed reducer output shaft (2) is provided with a center screw (2-1), and described cushion block (4) is threaded with described speed reducer output shaft (2) by the second bolt (7) that passes described the first through hole (3-1,4-1) and be screwed into described center screw (2-1); The piston (5-2) that described hydraulic nut (5) has nut body (5-1) and is slidingly connected with this nut body (5-1), be provided with hydraulic oil oil transportation channel (5-3) at described nut body (5-1), this hydraulic nut (5) is sleeved on first boss (4-2) of described cushion block (4), when dismounting, the nut body (5-1) of described hydraulic nut (5) offsets with described cushion block (4), and the piston (5-2) of described hydraulic nut (5) offsets with described pressing plate (3); When mounted, the nut body (5-1) of described hydraulic nut (5) offsets with described pressing plate (3), and the piston (5-2) of described hydraulic nut (5) offsets with described cushion block (4).
2. the disassembly and assembly structure of speed reducer output shaft according to claim 1 and ring flange, it is characterized in that: on the taper hole (1-1) of described ring flange (1), also be provided with annular oil groove (1-1-1), be provided with hydraulic oil oil transportation channel (1-3) at described ring flange (1), this hydraulic oil oil transportation channel (1-3) connects with described annular oil groove (1-1-1).
3. the disassembly and assembly structure of speed reducer output shaft according to claim 1 and 2 and ring flange, it is characterized in that: the cross section of described pressing plate (3), cushion block (4) and the first boss (4-2) and the second boss (4-3) is circle, and the external diameter of described the second boss (4-3) is held diameter less than taper hole (1-1) microcephaly of described ring flange (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220330023 CN202668031U (en) | 2012-07-10 | 2012-07-10 | Disassembly and assembly structure of reduction box output shaft and flange plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220330023 CN202668031U (en) | 2012-07-10 | 2012-07-10 | Disassembly and assembly structure of reduction box output shaft and flange plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202668031U true CN202668031U (en) | 2013-01-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220330023 Expired - Fee Related CN202668031U (en) | 2012-07-10 | 2012-07-10 | Disassembly and assembly structure of reduction box output shaft and flange plate |
Country Status (1)
| Country | Link |
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| CN (1) | CN202668031U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105689812A (en) * | 2016-04-07 | 2016-06-22 | 中车戚墅堰机车车辆工艺研究所有限公司 | High-precision gear centering and clamping device based on inner hole centering and machining method of high-precision gear centering and clamping device |
| CN105855847A (en) * | 2016-06-12 | 2016-08-17 | 马鞍山安麦创新技术有限公司 | Special tool for mounting and demounting section steel straightening roller and operation method of special tool |
| CN106141635A (en) * | 2016-07-29 | 2016-11-23 | 中国北方发动机研究所(天津) | A kind of jacking mechanism for the assembling of dish shaft flange and assembly method thereof |
| CN107297710A (en) * | 2017-08-24 | 2017-10-27 | 沈阳航空航天大学 | Closed Extrusion film damper assembly tool and assembly method with certralizing ability |
| CN110744486A (en) * | 2019-09-26 | 2020-02-04 | 沪东重机有限公司 | Disassembling tool and disassembling method for crankshaft damper of diesel engine |
-
2012
- 2012-07-10 CN CN 201220330023 patent/CN202668031U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105689812A (en) * | 2016-04-07 | 2016-06-22 | 中车戚墅堰机车车辆工艺研究所有限公司 | High-precision gear centering and clamping device based on inner hole centering and machining method of high-precision gear centering and clamping device |
| CN105855847A (en) * | 2016-06-12 | 2016-08-17 | 马鞍山安麦创新技术有限公司 | Special tool for mounting and demounting section steel straightening roller and operation method of special tool |
| CN106141635A (en) * | 2016-07-29 | 2016-11-23 | 中国北方发动机研究所(天津) | A kind of jacking mechanism for the assembling of dish shaft flange and assembly method thereof |
| CN107297710A (en) * | 2017-08-24 | 2017-10-27 | 沈阳航空航天大学 | Closed Extrusion film damper assembly tool and assembly method with certralizing ability |
| CN107297710B (en) * | 2017-08-24 | 2023-09-05 | 沈阳航空航天大学 | Closed extrusion oil film damper assembly tool with centering function and assembly method |
| CN110744486A (en) * | 2019-09-26 | 2020-02-04 | 沪东重机有限公司 | Disassembling tool and disassembling method for crankshaft damper of diesel engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 Termination date: 20130710 |