CN208565310U - The torsion regulating device of nuclear power teletransmission mechanism - Google Patents
The torsion regulating device of nuclear power teletransmission mechanism Download PDFInfo
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- CN208565310U CN208565310U CN201821081630.6U CN201821081630U CN208565310U CN 208565310 U CN208565310 U CN 208565310U CN 201821081630 U CN201821081630 U CN 201821081630U CN 208565310 U CN208565310 U CN 208565310U
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- China
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- output shaft
- assembly cavity
- nuclear power
- regulating device
- friction plate
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Abstract
The utility model relates to the torsion regulating devices of nuclear power teletransmission mechanism, including input shaft, output shaft, the inward-facing axially recess in one end of input shaft forms assembly cavity, one end of output shaft is protruded into assembly cavity, the end of output shaft is assemblied in assembly cavity by bearing, annular space is formed between the inner wall of assembly cavity between the output shaft outer wall protruded into assembly cavity, multiple friction plates are distributed in annular space, contact generates frictional force between the side of adjacent friction plate, and the elastic component on outermost friction plate is withstood in one end in annular space, adjustment disk is threaded on the input shaft, the other end of elastic component is pressed on adjustment disk.The present apparatus can effectively solve the problem that the telemetering type valve problem not in place because of upper and lower differential seat angle closure or openness, and protection driving motor keeps teletransmission mechanical kinetic energy impaired because of overload;Input end moment can be adjusted according to valve operation torque;It prevents because of the excessive damage transmission mechanism of operational torque or valve.
Description
Technical field
The utility model relates to a kind of torsion regulating devices of nuclear power teletransmission mechanism.
Background technique
The teletransmission mechanism of nuclear grade valve is mainly used for the systems such as safety engineering valve in PWR nuclear power plant nuclear auxiliary building
Remote-controlled operation achievees the purpose that the dose of radiation for reducing operations staff and maintenance personal and realizes the on and off of valve
Function.It may create the problem that during current teletransmission
Due to needing transmitting of repeatedly transferring in teletransmission mechanism, teletransmission input shaft then needs to input bigger torque, could incite somebody to action
Valve opening or closing;It is valve opening or closing in the torque of input terminal input since intermediate torque is transmitted, but it is final
The torque being transmitted on valve shaft can not reach the state fully open or fully closed, thus input terminal needs to input more
Big torque, and input bigger torque it will cause the destructions to valve.
Summary of the invention
In view of the above problems, the object of the present invention is to provide it is a kind of it is reasonable in design, convenient for adjusting, strong applicability
Nuclear power teletransmission mechanism torsion regulating device.
The technical scheme for implementing the utility model is as follows
The torsion regulating device of nuclear power teletransmission mechanism, including input shaft, output shaft, one end of input shaft it is inward-facing along
Axial depression forms assembly cavity, and one end of output shaft is protruded into assembly cavity, and the end of output shaft is assemblied in assembly cavity by bearing
In, input shaft and output shaft are total axial line,
Annular space is formed between the inner wall of assembly cavity between the output shaft outer wall protruded into assembly cavity,
It is distributed with multiple friction plates in annular space, multiple friction plates are arranged successively on output shaft, adjacent friction plate
Contact generates frictional force between side, and withstands on the elastic component on outermost friction plate in one end in annular space, described
Adjustment disk is threaded on input shaft, the other end of elastic component is pressed on adjustment disk;
Rotation adjustment disk adjusts the contact friction force between adjacent friction plate by the elastic force of elastic component.
Further, the friction plate is annular friction piece.
Further, the friction plate is slideably positioned on output shaft by internal spline mode or/and by external splines side
Formula is slideably positioned in the inner wall of assembly cavity.
Further, the front end that the output shaft protrudes into assembly cavity, which is provided with, forms gear to most inboard friction plate
Gear ring, and the lock nut for locking gear ring.
Further, the front end that the output shaft protrudes into assembly cavity is provided with step, and the one side of gear ring withstands on platform
On the vertical plane of rank, another side is by lock nut locking.
Further, the periphery of the assembly cavity bottom is placed with friction stress gasket.
Further, the assembly cavity bottom center offers counterbore, and output shaft is protruded into counterbore and installed by bearing
In counterbore.
Further, scale is provided on the adjustment disk.
Further, plane bearing is installed on the output shaft, which is on the inside of elastic component and adjustment disk
Between face, the both ends of elastic component are respectively arranged with compression ring.
Using above-mentioned technical proposal, this torsion regulating device is installed on the input terminal of nuclear power valve teletransmission mechanism, input
The torque of axis input passes to output shaft by the friction between friction plate, can effectively solve the problem that telemetering type valve because of upper lower angle
Poor closure or openness problem not in place (when valve opening or closure not in place after, the torque of subsequent input, by friction plate it
Between friction continue to transmit, and behind closure or openness position, the friction that subsequent torque then passes through between friction plate disappears
Change), protection driving motor keeps teletransmission mechanical kinetic energy impaired because of overload;It, can be according to valve by the setting of adjustment disk and elastic component
Operational torque adjusts input end moment;It prevents because of the excessive damage transmission mechanism of operational torque or valve.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the utility model;
In attached drawing, 1 is input shaft, and 2 be output shaft, and 3 be annular space, and 4 be friction plate, and 5 be elastic component, and 6 be adjustment disk,
7 be gear ring, and 8 be lock nut, and 9 be step, and 10 be friction stress gasket, and 11 be counterbore, and 12 be needle bearing, and 13 be plane
Bearing, 14 be compression ring.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
The technical solution of the utility model embodiment is clearly and completely described in the attached drawing of type embodiment.Obviously, described
Embodiment is a part of the embodiment of the utility model, instead of all the embodiments.Based on described the utility model
Embodiment, those of ordinary skill in the art's every other embodiment obtained under the premise of being not necessarily to creative work, all belongs to
In the range of the utility model protection.
As shown in Figure 1, the torsion regulating device of nuclear power teletransmission mechanism, including input shaft 1, output shaft 2, the one of input shaft
End face forms assembly cavity inwards along axial depression, and one end of output shaft is protruded into assembly cavity, and the end of output shaft passes through bearing
It is assemblied in assembly cavity, input shaft and output shaft are total axial line.Between the output shaft outer wall protruded into assembly cavity with assembly
Annular space 3 is formed between the inner wall of chamber,
It is distributed with multiple friction plates 4 in annular space, multiple friction plates are arranged successively on output shaft, adjacent friction plate
Side between contact generate frictional force, and withstand on the elastic component 5 on outermost friction plate in one end in annular space, it is defeated
Enter to be threaded with adjustment disk 6 on axis, the other end of elastic component is pressed on adjustment disk;Rotate elastic force of the adjustment disk by elastic component
Adjust the contact friction force between adjacent friction plate.When rotating adjustment disk, the collapsing length of adjustable elastic component, it can adjust
The frictional force size of generation is contacted between whole adjacent friction plate, and by the adjustment of adjacent friction plate frictional force, to adjust input
Power transmission capacity between axis and output shaft.
In specific implementation, friction plate is annular friction piece.Friction plate is slideably positioned on output shaft by internal spline mode
Or/and the inner wall of assembly cavity is slideably positioned in by external splines mode.It is inside and outside friction plate uses shown in illustrations
(friction plate uses external splines to spline interval mode, and adjacent friction plate then uses internal spline, in input shaft assembly cavity
Wall offers keyway and is inserted into for external splines, offers keyway in the outer wall of output shaft for internal spline insertion) it is combined and carrys out cloth
It sets, the stress point transmitted in this way with equilibrant force realizes stable drive.
The gear ring 7 that gear is formed to most inboard friction plate is provided in the front end that output shaft protrudes into assembly cavity, with
And the lock nut 8 for locking gear ring.Lock nut is threaded on output shaft;Further, in order to guarantee to lock
Fixed stability and convenient for assembly, the front end that output shaft protrudes into assembly cavity is provided with step 9, and the one side of gear ring is withstood on
On the vertical plane of step, another side is by lock nut locking.
The periphery of assembly cavity bottom is placed with friction stress gasket 10, to most inboard friction plate stake pad, enhancing friction
The power of piece transmits stability.In specific implementation, counterbore 11 is offered in assembly cavity bottom center, output shaft protrudes into counterbore and leads to
Needle bearing 12 is crossed to be installed in counterbore.In order to facilitate the adjusting scale of observation adjustment disk, scale is provided on adjustment disk.
Plane bearing 13 is installed on output shaft, which is between elastic component and adjustment disk medial surface, bullet
The both ends of property part are respectively arranged with compression ring 14.Elastic component can use a spring being set on the output shaft, and can also use
It is multiple to be distributed in the axial spring of output.
Claims (9)
1. the torsion regulating device of nuclear power teletransmission mechanism, including input shaft, output shaft, which is characterized in that one end of input shaft
Inward-facing axially recess forms assembly cavity, and one end of output shaft is protruded into assembly cavity, and the end of output shaft is filled by bearing
Assigned in assembly cavity, input shaft and output shaft are total axial line,
Annular space is formed between the inner wall of assembly cavity between the output shaft outer wall protruded into assembly cavity, is divided in annular space
Multiple friction plates are furnished with, multiple friction plates are arranged successively on output shaft, and contact generates friction between the side of adjacent friction plate
Power, and the elastic component on outermost friction plate is withstood in one end in annular space, tune is threaded on the input shaft
Disk is saved, the other end of elastic component is pressed on adjustment disk;Adjustment disk is rotated to adjust between adjacent friction plate by the elastic force of elastic component
Contact friction force.
2. the torsion regulating device of nuclear power as described in claim 1 teletransmission mechanism, which is characterized in that the friction plate is ring
Shape friction plate.
3. the torsion regulating device of nuclear power as described in claim 1 teletransmission mechanism, which is characterized in that the friction plate passes through
Internal spline mode is slideably positioned on output shaft or/and is slideably positioned in by external splines mode the inner wall of assembly cavity.
4. the torsion regulating device of nuclear power as described in claim 1 teletransmission mechanism, which is characterized in that the output shaft protrudes into
The front end of assembly cavity is provided with the gear ring that gear is formed to most inboard friction plate, and the lock for locking gear ring
Determine nut.
5. the torsion regulating device of nuclear power as claimed in claim 4 teletransmission mechanism, which is characterized in that the output shaft protrudes into
The front end of assembly cavity is provided with step, and the one side of gear ring is withstood on the vertical plane of step, and another side is locked by lock nut
Only.
6. the torsion regulating device of nuclear power as described in claim 1 teletransmission mechanism, which is characterized in that the assembly cavity bottom
Periphery be placed with friction stress gasket.
7. the torsion regulating device of nuclear power as described in claim 1 teletransmission mechanism, which is characterized in that the assembly cavity bottom
Center offers counterbore, and output shaft is protruded into counterbore and is installed in counterbore by bearing.
8. the torsion regulating device of nuclear power as described in claim 1 teletransmission mechanism, which is characterized in that set on the adjustment disk
It is equipped with scale.
9. the torsion regulating device of nuclear power as described in claim 1 teletransmission mechanism, which is characterized in that pacify on the output shaft
Equipped with plane bearing, which is between elastic component and adjustment disk medial surface, the both ends of elastic component be respectively arranged with by
Pressure ring.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821081630.6U CN208565310U (en) | 2018-07-11 | 2018-07-11 | The torsion regulating device of nuclear power teletransmission mechanism |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821081630.6U CN208565310U (en) | 2018-07-11 | 2018-07-11 | The torsion regulating device of nuclear power teletransmission mechanism |
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CN208565310U true CN208565310U (en) | 2019-03-01 |
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CN201821081630.6U Expired - Fee Related CN208565310U (en) | 2018-07-11 | 2018-07-11 | The torsion regulating device of nuclear power teletransmission mechanism |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111550272A (en) * | 2020-04-28 | 2020-08-18 | 太原理工大学 | Anchor rod installation torque quantitative control and follow-up detection device |
CN114076161A (en) * | 2020-08-13 | 2022-02-22 | 深圳市博思得科技发展有限公司 | Friction moment adjusting mechanism |
CN115263936A (en) * | 2022-07-29 | 2022-11-01 | 北京力信德华科技有限公司 | Moment overload protection device with control function |
-
2018
- 2018-07-11 CN CN201821081630.6U patent/CN208565310U/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111550272A (en) * | 2020-04-28 | 2020-08-18 | 太原理工大学 | Anchor rod installation torque quantitative control and follow-up detection device |
CN111550272B (en) * | 2020-04-28 | 2022-03-22 | 太原理工大学 | Anchor rod installation torque quantitative control and follow-up detection device |
CN114076161A (en) * | 2020-08-13 | 2022-02-22 | 深圳市博思得科技发展有限公司 | Friction moment adjusting mechanism |
CN114076161B (en) * | 2020-08-13 | 2023-08-29 | 深圳市博思得科技发展有限公司 | Friction moment adjusting mechanism |
CN115263936A (en) * | 2022-07-29 | 2022-11-01 | 北京力信德华科技有限公司 | Moment overload protection device with control function |
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Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190301 Termination date: 20210711 |