CN114408223B - Quick buffer that returns to normal of power adjustment mechanism - Google Patents
Quick buffer that returns to normal of power adjustment mechanism Download PDFInfo
- Publication number
- CN114408223B CN114408223B CN202111574125.1A CN202111574125A CN114408223B CN 114408223 B CN114408223 B CN 114408223B CN 202111574125 A CN202111574125 A CN 202111574125A CN 114408223 B CN114408223 B CN 114408223B
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- spring
- adjusting nut
- zero
- rack
- buffer
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- 230000007246 mechanism Effects 0.000 title claims abstract description 34
- 230000003139 buffering effect Effects 0.000 claims abstract 3
- 230000009471 action Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
- B64G1/40—Arrangements or adaptations of propulsion systems
- B64G1/408—Nuclear spacecraft propulsion
Abstract
The invention discloses a rapid homing buffer device of a power adjusting mechanism, which comprises a spring cylinder cover plate, a zero-position locknut, a zero-position adjusting nut-air resistor, a boosting spring, a piston, a buffer spring, a limiting ring, a spring adjusting nut, a homing spring, a rack and a spring cylinder, wherein the spring cylinder cover plate is arranged on the upper surface of the spring cylinder cover plate; the rack is meshed with the gear of the load release mechanism, the reset spring is sleeved on the rack, a spring limiting groove on the spring adjusting nut is opposite to the reset spring, the spring adjusting nut is fixedly connected to the rack, and the spring barrel is welded on the main shell; the buffer spring and the boosting spring are arranged in the mounting groove of the zero position adjusting nut-air resistor, the buffer spring and the boosting spring are simultaneously compressed through the piston, and the central hole of the limiting ring penetrates through the rack and is fixedly connected to the zero position adjusting nut-air resistor; the zero position adjusting nut is in threaded connection with the air resistance in the spring cylinder, the zero position locknut is in threaded connection with the spring cylinder, and the spring cylinder cover plate is welded on the end face of the spring cylinder; the device has high self-adaptive performance and can realize quick buffering.
Description
Technical Field
The invention belongs to the technical field of space power, and particularly relates to a rapid homing buffer device of a power adjusting mechanism.
Background
The space reactor can provide a stable power supply for high-power deep space detection tasks such as manned deep space flight, and in deep space detection, compared with the solar power supply limited by factors such as the unfolding sailboard and the sun position, the nuclear power supply provided by the space reactor has technical advantages. Since the space reactor finally needs to output stable voltage and current, it is very important to control the reactivity of the reactor, in order not to cause space nuclear pollution after the reactor is failed, the reactor needs to be stopped in emergency, and has a large impact load when the reactor is stopped, so a buffer device which can buffer impact of large load rapidly and has high self-adaptive performance to load change needs to be designed.
Disclosure of Invention
In view of the above, the present invention provides a rapid homing buffer device for a power adjustment mechanism, so that the power adjustment mechanism can buffer a large load impact within a specified time when being quickly homing, and has high self-adaptive performance for load change.
The technical scheme for realizing the invention is as follows:
a rapid homing buffer device of a power adjusting mechanism comprises a spring cylinder cover plate, a zero-position locknut, a zero-position adjusting nut-air resistor, a boosting spring, a piston, a buffer spring, a limiting ring, a spring adjusting nut, a homing spring, a rack and a spring cylinder;
the zero position adjusting nut-air resistor is provided with a coaxial boosting spring mounting groove and a buffer spring mounting groove; a spring limiting groove is formed in one side end face of the spring adjusting nut;
the rack is meshed with a gear on the load release mechanism, the reset spring is sleeved on the rack, a spring limiting groove on the spring adjusting nut is opposite to the reset spring, the spring adjusting nut is fixedly connected to the rack, and the spring barrel is welded on the main shell; the buffer spring and the boosting spring are arranged in the corresponding mounting groove of the zero position adjusting nut-air resistor, the buffer spring and the boosting spring are simultaneously compressed through the piston, and the central round hole of the limiting ring penetrates through the rack and is fixedly connected to the zero position adjusting nut-air resistor; the zero adjusting nut and the air resistor are connected in the spring cylinder through external threads, the zero locknut is connected in the spring cylinder through external threads and used for being matched with the zero adjusting nut and the air resistor to be loose-proof, and the spring cylinder cover plate is welded on the end face of the spring cylinder.
Further, the outer circumferential surface of the spring adjusting nut is provided with a plurality of annular grooves, so that the buffer air resistance of the mechanism can be effectively improved.
Further, the spring adjusting nut is connected to the rack through internal threads.
Further, the zero adjusting nut and the air resistor are processed at the rear endThe round hole can effectively improve the buffer self-adaptation performance of the mechanism.
Furthermore, the spring cylinder cover plate and the spring cylinder adopt a spigot design, and the air tightness of the mechanism can be improved after welding is completed.
The beneficial effects are that:
(1) The device can realize the buffer of the mechanism to the impact of heavy load;
(2) The device can realize the function of large impact and loose prevention of the mechanism bearing;
(3) The device designs the functions of adjusting the spring force of the mechanism and the homing time of the mechanism;
(4) The spring cylinder cover plate and the spring cylinder adopt the spigot design, and the air tightness of the device can be improved after the welding is finished;
(5) The spring adjusting nut is provided with a plurality of ring grooves, so that the buffer air resistance of the mechanism can be effectively improved;
(6) The invention designs a zero adjusting nut-air resistorThe round hole can effectively improve the buffer self-adaptation performance of the mechanism.
Drawings
FIG. 1 is a schematic diagram of a fast homing buffer device of a power adjusting mechanism of the present invention.
FIG. 2 is a part view of a stop collar of a quick return buffer device of the power adjustment mechanism of the present invention; (a) is a sectional view, and (b) is a front view.
FIG. 3 is a diagram of zero position adjusting nut-air resistor part of the rapid homing buffer device of the power adjusting mechanism of the present invention; (a) is a front view, (b) is a sectional view, and (c) is an A-direction view.
FIG. 4 is a diagram of a piston assembly of a rapid homing buffer device of the power adjustment mechanism of the present invention.
The device comprises a 1-spring cylinder cover plate, a 2-zero locknut, a 3-zero adjusting nut, an air resistor, a 4-boosting spring, a 5-piston, a 6-buffer spring, a 7-limiting ring, an 8-spring adjusting nut, a 9-homing spring, a 10-rack and an 11-spring cylinder.
Detailed Description
The invention will now be described in detail by way of example with reference to the accompanying drawings.
The invention provides a rapid homing buffer device of a power adjusting mechanism, which is shown in fig. 1 and comprises a spring cylinder cover plate 1, a zero-position locknut 2, a zero-position adjusting nut-air resistor 3, a boosting spring 4, a piston 5, a buffer spring 6, a limiting ring 7, a spring adjusting nut 8, a homing spring 9, a rack 10 and a spring cylinder 11.
As shown in fig. 1-4, the buffer spring and the boosting spring are arranged on the zero position adjusting nut-air resistor, the buffer spring and the boosting spring are tightly pressed by the piston, the limiting ring is arranged on the zero position adjusting nut-air resistor through a screw after penetrating through the rack, and the piston is ensured to slide smoothly in the zero position adjusting nut-air resistor; the rack is arranged on a main shell of the mechanism and meshed with a gear in the mechanism, the homing spring is sleeved on the rack, and the homing spring is tightly pressed by a spring adjusting nut (one side of the spring adjusting nut, which is provided with a spring limiting groove, is opposite to the homing spring and is arranged on the rack through an internal thread); the spring cylinder is arranged on the main shell of the mechanism, the zero position adjusting nut-air lock assembly is arranged in the spring cylinder through threaded connection, the zero position locknut is arranged in the spring cylinder through threaded connection, and the zero position adjusting nut-air lock and the zero position locknut are screwed by a special tool to form a double-nut locking effect; and finally, the spring cylinder cover plate is arranged on the spring cylinder through the spigot and welded and sealed.
The working principle of the device of the invention is as follows:
the initial position of the mechanism is shown in fig. 1, when the mechanism receives a driving control instruction, a gear in the mechanism drives a rack 10 to do linear motion, at the moment, a return spring 9 is compressed to store energy under the action of a spring adjusting nut 8, and a piston 5 slowly slides to the inner end surface of a limiting ring 7 under the action of a buffer spring 6 and a boosting spring 4; when the mechanism is quickly reset, the rack 10 and the spring adjusting nut 8 are quickly reset under the action of the reset spring 9, and when the end face of the rack 10 begins to compress the piston 5, the boosting spring 4 and the buffer spring 6 are compressed to begin to store energy, and the zero position is simultaneously realizedThe gas in the cavity formed by the adjusting nut-air lock 3 and the piston 5 is extremely compressed and passes through the zero adjusting nut-air lock 3The round hole is discharged into a cavity formed by the spring cylinder cover plate 1 and the zero-position locknut 2, and at the moment, along with the attenuation of impact force, gas in the cavity formed by the spring cylinder cover plate 1 and the zero-position locknut 2 is discharged into a cavity formed by the zero-position adjusting nut-air resistor 3 and the piston 5; the mechanism is not ensured to buffer the impact of a large load (1000N) within a specified time (0.4S) until the spring adjusting nut 8 contacts with the end face of the limiting ring 7, and has high self-adapting performance on load change.
In summary, the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The quick return buffering device of the power adjusting mechanism is characterized by comprising a spring cylinder cover plate, a zero-position locknut, a zero-position adjusting nut-air resistor, a boosting spring, a piston, a buffering spring, a limiting ring, a spring adjusting nut, a return spring, a rack and a spring cylinder;
the zero position adjusting nut-air resistor is provided with a coaxial boosting spring mounting groove and a buffer spring mounting groove; a spring limiting groove is formed in one side end face of the spring adjusting nut;
the rack is meshed with a gear on the load release mechanism, the reset spring is sleeved on the rack, a spring limiting groove on the spring adjusting nut is opposite to the reset spring, the spring adjusting nut is fixedly connected to the rack, and the spring barrel is welded on the main shell; the buffer spring and the boosting spring are arranged in the corresponding mounting groove of the zero position adjusting nut-air resistor, the buffer spring and the boosting spring are simultaneously compressed through the piston, and the central round hole of the limiting ring penetrates through the rack and is fixedly connected to the zero position adjusting nut-air resistor; the zero adjusting nut and the air resistor are connected in the spring cylinder through external threads, the zero locknut is connected in the spring cylinder through external threads and used for being matched with the zero adjusting nut and the air resistor to be loose-proof, and the spring cylinder cover plate is welded on the end face of the spring cylinder.
2. The rapid homing buffer of claim 1, wherein the outer circumference of the spring adjustment nut defines a plurality of annular grooves.
3. The power adjustment mechanism quick return cushioning device of claim 1, wherein the spring adjustment nut is threadably coupled to the rack via internal threads.
4. The rapid homing buffer device of claim 1, wherein said zero adjustment nut-air lock back end toolingAnd a round hole.
5. The rapid homing buffer of claim 1, wherein the spring cartridge cover and the spring cartridge are designed with a spigot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111574125.1A CN114408223B (en) | 2021-12-21 | 2021-12-21 | Quick buffer that returns to normal of power adjustment mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111574125.1A CN114408223B (en) | 2021-12-21 | 2021-12-21 | Quick buffer that returns to normal of power adjustment mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114408223A CN114408223A (en) | 2022-04-29 |
| CN114408223B true CN114408223B (en) | 2023-08-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111574125.1A Active CN114408223B (en) | 2021-12-21 | 2021-12-21 | Quick buffer that returns to normal of power adjustment mechanism |
Country Status (1)
| Country | Link |
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| CN (1) | CN114408223B (en) |
Citations (16)
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|---|---|---|---|---|
| GB370721A (en) * | 1931-05-29 | 1932-04-14 | Colin Martin Williamson | Improvements in and relating to electric switches with dashpot retardation |
| GB422686A (en) * | 1933-08-03 | 1935-01-16 | Fritz Faudi | Cushioning and shock-absorbing device for vehicles |
| GB922220A (en) * | 1959-02-18 | 1963-03-27 | Garringtons Ltd | Improvements relating to railway buffers and draw gear and like shock absorbers |
| US6429662B1 (en) * | 2000-06-14 | 2002-08-06 | Ifd Corporation | Internal fault indicator for power electrical devices |
| TWM397451U (en) * | 2010-07-09 | 2011-02-01 | Tsc Moto Race Co Ltd | Adjusting device for motocycle shock absorber |
| DE202009006931U1 (en) * | 2009-05-13 | 2011-04-28 | Krischke-Lengersdorf, Christian | Pressure fluid linear damper with spring mechanism |
| CN204664286U (en) * | 2015-06-09 | 2015-09-23 | 马鞍山市秋枫工程塑料异型材料制造有限责任公司 | A kind of industrial row vehicle shock-absorbing device |
| CN106015428A (en) * | 2016-07-18 | 2016-10-12 | 天津优瑞纳斯液压机械有限公司 | Hydraulic buffering device used for hydraulic buffering car stop |
| CN106494651A (en) * | 2016-11-21 | 2017-03-15 | 上海航天控制技术研究所 | A kind of non-firer's separator of low impact |
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| CN206972817U (en) * | 2017-01-04 | 2018-02-06 | 西北工业大学 | A kind of spring air damper |
| CN108626299A (en) * | 2018-07-10 | 2018-10-09 | 湖北海联技术咨询有限公司 | A kind of automobile damping device |
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| CN110206843A (en) * | 2019-06-06 | 2019-09-06 | 苗军 | A kind of twin-tub cylinder double chamber hydragas spring |
| CN110406610A (en) * | 2019-07-22 | 2019-11-05 | 南京理工大学 | A kind of robot buffering foot of preload adjustable |
| CN211039511U (en) * | 2019-09-27 | 2020-07-17 | 浙江中力机械有限公司 | Mechanical spring device for replacing gas spring |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9046146B2 (en) * | 2012-02-14 | 2015-06-02 | Dadco, Inc. | Gas spring and gas spring components |
-
2021
- 2021-12-21 CN CN202111574125.1A patent/CN114408223B/en active Active
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB370721A (en) * | 1931-05-29 | 1932-04-14 | Colin Martin Williamson | Improvements in and relating to electric switches with dashpot retardation |
| GB422686A (en) * | 1933-08-03 | 1935-01-16 | Fritz Faudi | Cushioning and shock-absorbing device for vehicles |
| GB922220A (en) * | 1959-02-18 | 1963-03-27 | Garringtons Ltd | Improvements relating to railway buffers and draw gear and like shock absorbers |
| US6429662B1 (en) * | 2000-06-14 | 2002-08-06 | Ifd Corporation | Internal fault indicator for power electrical devices |
| DE202009006931U1 (en) * | 2009-05-13 | 2011-04-28 | Krischke-Lengersdorf, Christian | Pressure fluid linear damper with spring mechanism |
| TWM397451U (en) * | 2010-07-09 | 2011-02-01 | Tsc Moto Race Co Ltd | Adjusting device for motocycle shock absorber |
| CN204664286U (en) * | 2015-06-09 | 2015-09-23 | 马鞍山市秋枫工程塑料异型材料制造有限责任公司 | A kind of industrial row vehicle shock-absorbing device |
| CN106015428A (en) * | 2016-07-18 | 2016-10-12 | 天津优瑞纳斯液压机械有限公司 | Hydraulic buffering device used for hydraulic buffering car stop |
| CN106494651A (en) * | 2016-11-21 | 2017-03-15 | 上海航天控制技术研究所 | A kind of non-firer's separator of low impact |
| CN206972817U (en) * | 2017-01-04 | 2018-02-06 | 西北工业大学 | A kind of spring air damper |
| CN206738481U (en) * | 2017-04-10 | 2017-12-12 | 襄阳博亚精工装备股份有限公司 | Buffer |
| CN108626299A (en) * | 2018-07-10 | 2018-10-09 | 湖北海联技术咨询有限公司 | A kind of automobile damping device |
| CN109631667A (en) * | 2018-11-06 | 2019-04-16 | 兰州空间技术物理研究所 | A kind of delivery device discharged using spring |
| CN110206843A (en) * | 2019-06-06 | 2019-09-06 | 苗军 | A kind of twin-tub cylinder double chamber hydragas spring |
| CN110406610A (en) * | 2019-07-22 | 2019-11-05 | 南京理工大学 | A kind of robot buffering foot of preload adjustable |
| CN211039511U (en) * | 2019-09-27 | 2020-07-17 | 浙江中力机械有限公司 | Mechanical spring device for replacing gas spring |
Non-Patent Citations (1)
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| Publication number | Publication date |
|---|---|
| CN114408223A (en) | 2022-04-29 |
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