CN110661373A - Device capable of solving axial play - Google Patents
Device capable of solving axial play Download PDFInfo
- Publication number
- CN110661373A CN110661373A CN201810697142.6A CN201810697142A CN110661373A CN 110661373 A CN110661373 A CN 110661373A CN 201810697142 A CN201810697142 A CN 201810697142A CN 110661373 A CN110661373 A CN 110661373A
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- CN
- China
- Prior art keywords
- device capable
- piston
- shaft
- axial play
- parts
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- Pending
Links
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 8
- 238000003825 pressing Methods 0.000 claims description 9
- 230000003139 buffering effect Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000007789 sealing Methods 0.000 abstract 1
- 230000010412 perfusion Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/12—Structural association with clutches, brakes, gears, pulleys or mechanical starters with auxiliary limited movement of stators, rotors or core parts, e.g. rotors axially movable for the purpose of clutching or braking
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Actuator (AREA)
Abstract
The invention discloses a device capable of solving axial movement, which comprises three sleeves, wherein the middle parts of the sleeves are provided with connecting parts, the connecting parts are connected into a whole by utilizing a ring plate, the ring plate surrounds a shaft, and the shaft is provided with a plurality of parts; two piston blocks are symmetrically arranged in the sleeve, each piston block is fixedly connected with a piston rod, a positioning plate is arranged at the end part of each piston rod, the piston blocks divide the interior of the sleeve into three cavities, wherein a working cavity is arranged between the two piston blocks, an auxiliary cavity 'is arranged outside the piston blocks, hydraulic oil is filled in the working cavity, an auxiliary spring is arranged in the auxiliary cavity', and the auxiliary spring acts on the piston blocks; the connecting part is provided with a filling hole communicated with the working cavity, and the filling hole is provided with a plug in a sealing manner. The invention has the characteristics of simple structure, convenient production, ingenious design and capability of controlling axial movement.
Description
Technical Field
The invention relates to a device capable of solving axial play.
Background
The play of the motor, also called axial play, is an axial end play, and refers to the inevitable small movement of the shaft of the motor along the axial direction during operation. The axial direction is the axial direction, and the direction perpendicular to the axial direction is the direction of the cylindrical surface of the shaft.
The axial displacement of the motor can increase the vibration and noise of the motor, damage equipment and reduce the service life.
Generally, the excessive matching interval between the rotor shaft and the rotor is the cause of motor play.
In daily production, enterprises do not have a mature technical scheme and can solve axial movement.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a device capable of solving the axial movement, which has simple structure and ingenious design and can control the axial movement.
In order to solve the technical problem, the invention is solved by the following technical scheme: a device capable of solving axial movement comprises three sleeves, wherein connecting parts are arranged in the middle of the sleeves and are connected into a whole by using a ring plate, the ring plate surrounds a shaft, and a plurality of parts are arranged on the shaft; two piston blocks are symmetrically arranged in the sleeve, each piston block is fixedly connected with a piston rod, a positioning plate is arranged at the end part of each piston rod, the piston blocks divide the interior of the sleeve into three cavities, a working cavity is arranged between the two piston blocks, an auxiliary cavity 'is arranged outside the piston blocks, hydraulic oil is filled in the working cavity, an auxiliary spring is arranged in the auxiliary cavity', and the auxiliary spring acts on the piston blocks; the connecting part is provided with a perfusion hole communicated with the working cavity, and the perfusion hole is hermetically provided with a plug; the end part of the locating plate is provided with a limiting hole, a sliding block is arranged in the locating hole, the sliding block is provided with a connecting rod, the end part of the connecting rod is provided with a limiting pressing plate in a round cake shape, the end part of the connecting rod is provided with a spring groove, a control spring is sleeved outside the connecting rod, one end of the control spring abuts against the limiting pressing plate, and the other end of the control spring is arranged in the spring groove.
Among the above-mentioned technical scheme, preferably, spacing clamp plate tip is provided with the rubber pad of cushioning effect.
In the above technical solution, preferably, the distance from the limiting pressure plate to the end surface of the end portion is L1 and L2, and the maximum value of the sum of L1 and L2 is not more than 0.5 mm.
The invention has the characteristics of simple structure, convenient production, ingenious design and capability of controlling axial movement.
Drawings
Fig. 1 is a schematic view of a working shaft of the present invention.
FIG. 2 is a schematic view of the structure of the present invention.
Fig. 3 is an enlarged schematic view of a portion a in fig. 2.
Fig. 4 is a schematic view of axial play.
Detailed Description
The invention is described in further detail below with reference to the following detailed description and accompanying drawings: as shown in fig. 1 to 4, a device capable of solving axial play comprises three sleeves 3, wherein the middle parts of the sleeves 3 are provided with connecting parts 32, the connecting parts 32 are connected into a whole by using a ring disc, the ring disc surrounds a shaft 1, and a plurality of parts 10 are arranged on the shaft 1; two piston blocks 5 are symmetrically arranged in the sleeve 3, each piston block 5 is fixedly connected with a piston rod 51, a positioning plate 4 is arranged at the end part of each piston rod 51, the piston blocks 5 divide the interior of the sleeve 3 into three cavities, wherein a working cavity 31 is arranged between the two piston blocks 5, an auxiliary cavity 31 'is arranged outside the piston blocks 5, hydraulic oil is filled in the working cavity 31, an auxiliary spring 30 is arranged in the auxiliary cavity 31', and the auxiliary spring 30 acts on the piston blocks 5; the connecting part 32 is provided with a filling hole communicated with the working cavity 31, and the filling hole is hermetically provided with a plug 33; the end portion 40 of the positioning plate 4 is provided with a limiting hole 41, a sliding block 23 is arranged in the positioning hole 41, the sliding block 23 is provided with a connecting rod 22, the end portion of the connecting rod 22 is provided with a round cake-shaped limiting pressing plate 2, the end portion 40 is provided with a spring groove 42, a control spring 43 is sleeved outside the connecting rod 22, one end of the control spring 43 abuts against the limiting pressing plate 2, and the other end of the control spring is arranged in the spring groove 42.
The end part of the limiting pressing plate 2 is provided with a rubber pad 21 with a buffering effect.
The distance from the limiting pressure plate 2 to the end face of the end part 40 is L1 and L2, and the maximum value of the sum of L1 and L2 is not more than 0.5 mm.
The ring plate of the device is fixed, the three sleeves 3 are uniformly distributed around the shaft 1, the force borne by the limiting pressing plate 2 can be uniform, and the deviation can not occur.
According to the production requirements of enterprises, the axial movement is required to be controlled to be less than 0.5. Therefore, the sum of the distances from the two limit pressure plates 2 to the end surface of the end part 40 of the device is controlled to be less than 0.5.
The device utilizes two limiting pressure plates 2 to press a part 10, thereby realizing the clamping function. When play occurs, the play is balanced by a control spring.
In addition, the device has an adjustable function and can be adapted to a wider size range.
When the adjustment is needed, the plug 33 needs to be unscrewed; if the size needs to be adjusted to be large, hydraulic oil is filled into the interior; and if the adjustment size is small, the hydraulic oil is pumped from the inside.
The device utilizes hydraulic oil to adjust the distance between the two positioning plates 4, can realize accurate adjustment, and has higher precision than a common mechanical adjustment method.
The scope of the present invention includes, but is not limited to, the above embodiments, and the present invention is defined by the appended claims, and any alterations, modifications, and improvements that may occur to those skilled in the art are all within the scope of the present invention.
The invention has the characteristics of simple structure, convenient production, ingenious design and capability of controlling axial movement.
Claims (3)
1. A device capable of solving axial play is characterized in that: the novel shaft sleeve comprises three sleeves (3), wherein a connecting part (32) is arranged in the middle of each sleeve (3), the connecting parts (32) are connected into a whole by using a ring disc, the ring disc surrounds a shaft (1), and a plurality of parts (10) are arranged on the shaft (1); the hydraulic oil-filled type hydraulic oil-filled; the connecting part (32) is provided with a filling hole communicated with the working cavity (31), and the filling hole is hermetically provided with a plug (33); the locating plate is characterized in that a limiting hole (41) is formed in the end portion (40) of the locating plate (4), a sliding block (23) is arranged in the locating hole (41), a connecting rod (22) is arranged on the sliding block (23), a limiting pressing plate (2) in a round cake shape is arranged at the end portion of the connecting rod (22), a spring groove (42) is formed in the end portion (40), a control spring (43) is sleeved outside the connecting rod (22), one end of the control spring (43) abuts against the limiting pressing plate (2), and the other end of the control spring (43) is arranged in the spring groove (42).
2. A device capable of accounting for axial play as claimed in claim 1, wherein: the end part of the limiting pressing plate (2) is provided with a rubber pad (21) with a buffering effect.
3. A device capable of accounting for axial play as claimed in claim 1, wherein: the distance from the limiting pressure plate (2) to the end face of the end part (40) is L1 and L2, and the maximum value of the sum of L1 and L2 is not more than 0.5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810697142.6A CN110661373A (en) | 2018-06-29 | 2018-06-29 | Device capable of solving axial play |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810697142.6A CN110661373A (en) | 2018-06-29 | 2018-06-29 | Device capable of solving axial play |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110661373A true CN110661373A (en) | 2020-01-07 |
Family
ID=69026713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810697142.6A Pending CN110661373A (en) | 2018-06-29 | 2018-06-29 | Device capable of solving axial play |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110661373A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10159900A (en) * | 1996-11-29 | 1998-06-16 | Showa Kiko Kk | Vibration proof device |
| CN103414284A (en) * | 2013-08-09 | 2013-11-27 | 张岳峰 | Automatic axial end-play control device of windscreen wiper motor |
| CN104832240A (en) * | 2015-05-21 | 2015-08-12 | 遵义市节庆机电有限责任公司 | Axial limiting structure for cam shaft |
| CN107097110A (en) * | 2017-06-23 | 2017-08-29 | 长沙无道工业设计有限公司 | A kind of dustless building ground sanding apparatus |
| CN208299614U (en) * | 2018-06-29 | 2018-12-28 | 宁波江北思洞工业设计有限公司 | A kind of device being able to solve axial float |
-
2018
- 2018-06-29 CN CN201810697142.6A patent/CN110661373A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10159900A (en) * | 1996-11-29 | 1998-06-16 | Showa Kiko Kk | Vibration proof device |
| CN103414284A (en) * | 2013-08-09 | 2013-11-27 | 张岳峰 | Automatic axial end-play control device of windscreen wiper motor |
| CN104832240A (en) * | 2015-05-21 | 2015-08-12 | 遵义市节庆机电有限责任公司 | Axial limiting structure for cam shaft |
| CN107097110A (en) * | 2017-06-23 | 2017-08-29 | 长沙无道工业设计有限公司 | A kind of dustless building ground sanding apparatus |
| CN208299614U (en) * | 2018-06-29 | 2018-12-28 | 宁波江北思洞工业设计有限公司 | A kind of device being able to solve axial float |
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