CN204592194U - A kind of linear actuators and quick release device thereof - Google Patents
A kind of linear actuators and quick release device thereof Download PDFInfo
- Publication number
- CN204592194U CN204592194U CN201520223712.XU CN201520223712U CN204592194U CN 204592194 U CN204592194 U CN 204592194U CN 201520223712 U CN201520223712 U CN 201520223712U CN 204592194 U CN204592194 U CN 204592194U
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- China
- Prior art keywords
- gear
- helical spring
- quick release
- release device
- linear actuators
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Abstract
The utility model relates to a kind of linear actuators and quick release device thereof, Left-wing Federation's relay part of this device can be connected with the relative rotation with right coupling member, right coupling member is provided with the driving part of coaxial also synchronous axial system with it, Left-wing Federation's relay part is provided with and coordinates and the common driven member forming speed booster driving mechanism with driving part transmission, on driven member, cover has the helical spring providing damping function, the relative Left-wing Federation in helical spring one end relay part is fixed, helical spring on-fixed end is connected with spring release mechanism, the damping function to driven member is removed by counterrotating helical spring.Quick release device installed by the telescopic pipe of this linear actuators, and is connected with load by quick release device.The quick release device strong adaptability of this linear actuators, can provide different binding forces by the quantity increasing and decreasing damping gear, and by the planetary gear mechanism that damping gear and power gear are formed, plays and reduce the stressed effect of damping gear.
Description
Technical field
The utility model relates to a kind of linear actuators and quick release device thereof.
Background technique
Linear brake comprises power plant, lead screw gear and telescopic pipe, power plant drive linear the stretching out or regain of telescopic pipe by lead screw gear, telescopic pipe band dynamic load action, quick release device reclaim fast when power plant break down the telescopic pipe that stretched out and on load.
Chinese patent literature CN1854562A discloses a kind of linear brake and quick release device thereof, this quick release device comprises rotary part, non-rotating portion and the spring that gets loose, fast releaser is coaxially arranged between telescopic pipe and load connector, and combined by the spring binding force of the spring that gets loose or separating rotary transfer part and non-rotating portion, can transferring power load also can be made to be passive delivery supply under regain.In addition, what this quick release device also can get loose spring by adjustment pulls open angle, and the spring binding force size of the spring that controls to get loose, to adjust the speed and distance of regaining load.
The Problems existing of this kind of fast releaser is: the binding force of the spring that gets loose only is transmitted by single Spring Steel Wire, easily deform and even fracture, and along with the increase of linear brake thrust, need supporting larger diameter or the longer spring that gets loose, to provide enough spring binding forces, the structural strength of the release mechanism of the spring that gets loose accordingly also will strengthen, and causes the volume of whole fast releaser also more to come also large, cost increase, increases assembling and operation easier.
Model utility content
Technical problem to be solved in the utility model is: the quick release device providing a kind of linear actuators, improves the reliability of quick release device.
The utility model solves the technological scheme that its technical problem adopts: a kind of quick release device of linear actuators, comprise Left-wing Federation's relay part and right coupling member, Left-wing Federation's relay part can be rotatably connected relatively with right coupling member, right coupling member is provided with the driving part of coaxial also synchronous axial system with it, Left-wing Federation's relay part is provided with and coordinates and the common driven member forming speed booster driving mechanism with driving part transmission, on driven member, cover has the helical spring providing damping function, the relative Left-wing Federation in helical spring one end relay part is fixed, the helical spring the other end is on-fixed end, helical spring on-fixed end is connected with spring release mechanism, the damping function to driven member is removed by counterrotating helical spring.
Further restriction, driving part and driven member are respectively the spur gear of internal messing or outer gearing; Or driving part and driven member are respectively the bevel gear of internal messing or outer gearing; Or driving part and driven member are respectively worm gear and the worm screw of engagement.
Further restriction, driving part is power gear, driven member is damping gear, power gear and damping gear are the spur gear of outer gearing, Left-wing Federation's relay part and right coupling member are that rotating shaft is rotatably connected with central shaft, power gear is fixedly connected with right coupling member, and damping gear is arranged on installation frame, and installation frame is fixedly connected with Left-wing Federation relay part.
For making helical spring and damping gear better fit, improving larger binding force, limiting further, damping gear comprises the polished rod portion coordinated with helical spring and the wheel teeth portion engaged with power gear, and helical spring is enclosed within the polished rod portion of damping gear.
Further restriction, installation frame comprises column and fixed base, and one end of column is connected with Left-wing Federation relay part, and the other end of column is connected with fixed base.
In order to reduce the rotational resistance between central shaft and right coupling member, limit further, central shaft is fixedly connected with Left-wing Federation relay part, arranges bearing between central shaft and right coupling member.
Further restriction, bearing comprises thrust-bearing and rolling bearing.
In order to adapt to the linear brake of different thrust, limit further, the quantity of damping gear is one or more, and supporting on damping gear have corresponding helical spring.
For convenience of the helical spring 12 that gets loose reliably, a kind of spring release mechanism rational in infrastructure is provided, this spring release mechanism comprises geared sleeve and overcoat, geared sleeve is enclosed within helical spring, and helical spring on-fixed end is connected with geared sleeve, and the outer wall of geared sleeve has the gear teeth, overcoat is installed in rotation between left and right coupling member, the inwall of overcoat has the gear teeth engaged with geared sleeve, rotated by rotary sleeve driving gear wheel case, remove tightening damping gear to remove helical spring.
Further restriction, the endoporus of geared sleeve has the back-up ring of restriction helical spring position, and the geared sleeve on back-up ring top has breach of stepping down.
Further restriction, the Left-wing Federation's relay part contacted with the two ends of geared sleeve and fixed base have the arc groove led to the rotary motion of geared sleeve.
Excessive in order to prevent helical spring from opening outward, cause helical spring to damage, limit further, the gear structure of described geared sleeve is incomplete mechanism gear mechanism, only in the local rotating range of geared sleeve, has the gear teeth.
A kind of linear actuators, comprise power source, screw drive mechanism, telescopic pipe, power source drives telescopic pipe stretch out or regain by screw drive mechanism, telescopic pipe is installed the quick release device of linear actuators of the present utility model, and is connected with load by quick release device.
The beneficial effects of the utility model are: the quick release device strong adaptability of this linear actuators, different binding forces can be provided by the quantity increasing and decreasing damping gear, strong adaptability, and coordinated by the transmission of damping gear and power gear, reduce the stressed of damping gear, correspondingly only need the linear brake that can adapt to high thrust compared with the helical spring of small dimension steel wire diameter and screw diameter.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated;
Fig. 1 is that master of the present utility model looks status architecture schematic diagram;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is backsight status architecture schematic diagram of the present utility model;
Fig. 4 is B-B sectional view of the present utility model;
Fig. 5 is damping gear of the present utility model assembling schematic diagram;
Fig. 6 is explosive view of the present utility model;
Fig. 7 is the structural representation with the linear actuators of quick release device of the present utility model;
Fig. 8 is the schematic diagram that driving part of the present utility model and driven member are respectively the spur gear of internal messing;
Fig. 9 is the schematic diagram that driving part of the present utility model and driven member are respectively worm gear and worm screw;
In figure, 1. Left-wing Federation's relay part, 11. damping gears, 111. polished rod portions, 112. take turns teeth portion, 12. helical springs, 13. installation frames, 131. column 132. fixed bases, 14. central shafts, 2. right coupling member, 21. power gear, 31. thrust-bearings, 32. rolling bearings, 41. geared sleeves, 411. back-up rings, 412. step down breach, 42. overcoats, 5. arc groove, 6. telescopic pipe, 7. power source.8. torsion spring, 9. screw, 10. leading screw, 15. driven members, 16. driving parts.
Embodiment
As Fig. 1, 2, 3, 4, 5, shown in 6 and 7, a kind of quick release device of linear actuators, comprise Left-wing Federation's relay part 1 and right coupling member 2, Left-wing Federation's relay part 1 can be rotatably connected relatively with right coupling member 2, right coupling member 2 is provided with the driving part 16 of coaxial also synchronous axial system with it, Left-wing Federation's relay part 1 is provided with and coordinates and the common driven member 15 forming speed booster driving mechanism with driving part 16 transmission, on driven member 15, cover has the helical spring 12 providing damping function, the relative Left-wing Federation in one end relay part 1 of helical spring 12 is fixed, the other end of helical spring 12 is on-fixed end, the on-fixed end of helical spring 12 is connected with spring release mechanism, the damping function to driven member 15 is removed by counterrotating helical spring 12.
Driving part 16 is power gear 21, driven member 15 is damping gear 11, power gear 21 and damping gear 11 are the spur gear of outer gearing, Left-wing Federation's relay part 1 is rotatably connected for rotating shaft with central shaft 14 with right coupling member 2, power gear 21 is fixedly connected with right coupling member 2, damping gear 11 is arranged on installation frame, and installation frame is fixedly connected with Left-wing Federation relay part 1.
One end of central shaft 14 is fixedly connected with Left-wing Federation relay part 1, and the top of the other end of central shaft 14 has tapped hole, and right coupling member 2 is undertaken spacing by the limited step of central shaft 14 and the screw that is screwed into tapped hole.Between the power gear 21 of right coupling member 2 and the limited step of central shaft 14, thrust-bearing 31 is set, between the end of central shaft 14 and right coupling member 2, rolling bearing 32 is set.
Installation frame comprises column 13 and fixed base 15, and one end of column 13 is connected with Left-wing Federation relay part 1, and the other end of column 13 is connected with fixed base 15.The top of column 13 has tapped hole, and the screw by being screwed into this tapped hole between column 13 with fixed base 15 is connected.
Damping gear 11 comprises the polished rod portion 111 coordinated with helical spring 12 and the wheel teeth portion 112 engaged with power gear 21, and helical spring 12 is enclosed within the polished rod portion 111 of damping gear 11.
The quantity of damping gear 11 is one or more, and supporting on damping gear 11 have corresponding helical spring 12.
Spring release mechanism is used for counterrotating helical spring 12 and removes tightening damping gear 11, namely every can the mechanism of counterrotating helical spring 12, all belong to spring release mechanism described in the utility model, the utility model provides a kind of unidirectional spring release mechanism, this unidirectional spring release mechanism comprises geared sleeve 41 and overcoat 42, geared sleeve 41 is enclosed within helical spring 12, the on-fixed end of helical spring 12 is connected with geared sleeve 41, the outer wall of geared sleeve 41 have the gear teeth, overcoat 42 is installed in rotation on a left side, between right coupling member 2, the inwall of overcoat 42 have the gear teeth engaged with geared sleeve 41, rotated by rotary sleeve 42 driving gear wheel case 41, tightening damping gear 11 is removed to remove helical spring 12.
One end of helical spring 12 realizes fixing by the jack inserted on Left-wing Federation's relay part 1, jack is deviate from for preventing helical spring 12, the endoporus of geared sleeve 41 has the back-up ring 411 of restriction helical spring 12 position, the geared sleeve 41 on back-up ring 411 top has breach 412 of stepping down.
The Left-wing Federation's relay part 1 contacted with the two ends of geared sleeve 41 and fixed base 15 has the arc groove 5 led to the rotary motion of geared sleeve 41.
The gear structure of geared sleeve 41 is incomplete mechanism gear mechanism, only in the local rotating range of geared sleeve, has the gear teeth, prevents outer of helical spring 12 excessive, causes helical spring 12 to damage.
A kind of linear actuators, comprise power source 7, screw drive mechanism, telescopic pipe 6, power source 7 drives telescopic pipe 6 stretch out or regain by screw drive mechanism, telescopic pipe 6 is installed the quick release device of linear actuators of the present utility model, and is connected with load by quick release device.
The working procedure with the linear actuators of this this quick release device is as follows:
First, the power source 7 of linear actuators drives the leading screw 10 in screw drive mechanism to rotate, the screw 9 be fixed on telescopic pipe 6 is driven again by leading screw 10, when there is no the overcoat 42 of external force torsional spring release mechanism, helical spring 12 in linear actuators tightly tighten damping gear 11, the Left-wing Federation's relay part 1 installing damping gear 11, the right coupling member 2 installing power gear 21, load and telescopic pipe 6 coupling is caused to become a non-rotatable entirety, the rotary motion of leading screw 10, be converted to the Linear-moving of screw 9, telescopic pipe 6 stretches out.
When telescopic pipe 6 stretches out, make the power source 7 of Linear actuator rotate backward, leading screw 10 counterrotating thereupon by controller, telescopic pipe 6 and screw 9 fixed thereon are retracted by gravity or under pressure.
When power-off or power source 7 were lost efficacy, for regaining the telescopic pipe 6 and load that have stretched out fast, only need the overcoat 42 of torsional spring release mechanism, the rotation of overcoat 42 driving gear wheel case 41, geared sleeve 41 drives the on-fixed end of helical spring 12 to rotate towards the opposite direction of the Hand of spiral of helical spring 12, make outer of helical spring 12, diameter becomes large, it is little that helical spring 12 pairs of damping gears 11 tighten limit, when the binding force of helical spring 12 is less than the rotating force of power gear 21 pairs of damping gears 11, damping gear 11 will be in rotatable state, telescopic pipe 6 relative load is in rotatable state, the pressure of load rotates driving the telescopic pipe 6 that is fixed as one and screw 9 on leading screw 10, realize reclaiming telescopic pipe 6.After release overcoat 42, overcoat 42 resets under the effect of torsion spring 8, and helical spring 12 also resets thereupon.
In one embodiment, power gear 21 number of teeth is 20, damping gear 11 number of teeth is 10, when linear actuators normally stretches out, as adopted a damping gear 11, due to speed ratio relation, as long as helical spring 12 is for tightening of providing of damping gear 11, moment is greater than the moment that power gear 21 is born 1/2, Left-wing Federation's relay part 1 and right coupling member 2 can be made to be coupled as not relatively turnable entirety, in actual use, if adopt three damping gears 11, helical spring 12 needs the binding force provided only to need to be greater than 1/6 of the moment that about power gear 21 is born, Left-wing Federation's relay part 1 and right coupling member 2 can be made to be coupled as not relatively turnable entirety.
By the description of above-mentioned model utility content, those of ordinary skill in the art can recognize, in the utility model, driving part 16 and driven member 15 can also be respectively the spur gear of internal messing, as shown in Figure 8; Or driving part 16 and driven member 15 are respectively the bevel gear of internal messing or outer gearing; Or driving part 16 and driven member 15 are respectively worm gear and the worm screw of engagement, as shown in Figure 9.Column 13 can also be fixed on fixed base 15, and central shaft 14 can also be fixed on right coupling member 2.
Claims (13)
1. the quick release device of a linear actuators, it is characterized in that: comprise Left-wing Federation's relay part (1) and right coupling member (2), Left-wing Federation's relay part (1) can be connected with the relative rotation with right coupling member (2), right coupling member (2) is provided with the driving part (16) of coaxial also synchronous axial system with it, Left-wing Federation's relay part (1) is provided with and coordinates and the common driven member (15) forming speed booster driving mechanism with driving part (16) transmission, the helical spring (12) that damping function is provided is had at the upper cover of driven member (15), the relative Left-wing Federation in one end relay part (1) of helical spring (12) is fixed, the other end of helical spring (12) is on-fixed end, the on-fixed end of helical spring (12) is connected with spring release mechanism, the damping function to driven member (15) is removed by counterrotating helical spring (12).
2. the quick release device of linear actuators according to claim 1, is characterized in that: described driving part (16) and driven member (15) are respectively the spur gear of internal messing or outer gearing;
Or driving part (16) and driven member (15) are respectively the bevel gear of internal messing or outer gearing;
Or driving part (16) and driven member (15) are respectively worm gear and the worm screw of engagement.
3. the quick release device of linear actuators according to claim 1, it is characterized in that: described driving part (16) is power gear (21), driven member (15) is damping gear (11), the spur gear that power gear (21) and damping gear (11) are outer gearing, Left-wing Federation's relay part (1) and right coupling member (2) with central shaft (14) for rotating shaft can be connected with the relative rotation, power gear (21) is fixedly connected with right coupling member (2), damping gear (11) is arranged on installation frame, installation frame is fixedly connected with Left-wing Federation's relay part (1).
4. the quick release device of linear actuators according to claim 3, it is characterized in that: described damping gear (11) comprises the polished rod portion (111) coordinated with helical spring (12) and the wheel teeth portion (112) engaged with power gear (21), and helical spring (12) is enclosed within the polished rod portion (111) of damping gear (11).
5. the quick release device of linear actuators according to claim 3, it is characterized in that: described installation frame comprises column (13) and fixed base (15), one end of column (13) is connected with Left-wing Federation's relay part (1), and the other end of column (13) is connected with fixed base (15).
6. the quick release device of linear actuators according to claim 3, it is characterized in that: described central shaft (14) is fixedly connected with Left-wing Federation's relay part (1), arranges bearing between central shaft (14) and right coupling member (2).
7. the quick release device of linear actuators according to claim 6, is characterized in that: described bearing comprises thrust-bearing (31) and rolling bearing (32).
8. the quick release device of the linear actuators according to claim 3 or 4 or 5 or 6 or 7, it is characterized in that: the quantity of described damping gear (11) is one or more, and damping gear (11) is above supporting corresponding helical spring (12).
9. the quick release device of the linear actuators according to claim 3 or 4 or 5 or 6 or 7, it is characterized in that: described spring release mechanism comprises geared sleeve (41) and overcoat (42), geared sleeve (41) is enclosed within helical spring (12), the on-fixed end of helical spring (12) is connected with geared sleeve (41), the outer wall of geared sleeve (41) have the gear teeth, overcoat (42) is installed in rotation on a left side, between right coupling member (2), the inwall of overcoat (42) have the gear teeth engaged with geared sleeve (41), rotated by rotary sleeve (42) driving gear wheel case (41), to remove the damping function of helical spring (12) releasing to damping gear (11).
10. the quick release device of linear actuators according to claim 9, it is characterized in that: the endoporus of described geared sleeve (41) has the back-up ring (411) of restriction helical spring (12) position, and the geared sleeve (41) on back-up ring (411) top has breach of stepping down (412).
The quick release device of 11. linear actuatorss according to claim 9, is characterized in that: the Left-wing Federation's relay part (1) contacted with the two ends of geared sleeve (41) and fixed base (15) have the arc groove (5) led to the rotary motion of geared sleeve (41).
The quick release device of 12. linear actuatorss according to claim 9, is characterized in that: the gear structure of described geared sleeve (41) is incomplete mechanism gear mechanism, only in the local rotating range of geared sleeve, has the gear teeth.
13. 1 kinds of linear actuatorss, comprise power source, screw drive mechanism, telescopic pipe, power source drives telescopic pipe stretch out or regain by screw drive mechanism, it is characterized in that: the quick release device installing claim 1 or 2 or 3 or 4 or 5 or the linear actuators described in 6 or 7 on described telescopic pipe, and be connected with load by quick release device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520223712.XU CN204592194U (en) | 2015-04-14 | 2015-04-14 | A kind of linear actuators and quick release device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520223712.XU CN204592194U (en) | 2015-04-14 | 2015-04-14 | A kind of linear actuators and quick release device thereof |
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| Publication Number | Publication Date |
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| CN204592194U true CN204592194U (en) | 2015-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520223712.XU Withdrawn - After Issue CN204592194U (en) | 2015-04-14 | 2015-04-14 | A kind of linear actuators and quick release device thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104832615A (en) * | 2015-04-14 | 2015-08-12 | 常州市凯迪电器有限公司 | Linear actuator and rapid releasing device thereof |
| RU2616460C1 (en) * | 2015-10-20 | 2017-04-17 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Кубанский государственный технологический университет" (ФГБОУ ВО "КубГТУ") | Vehicle recuperator equipped with flywheel and elastic elements |
| RU179517U1 (en) * | 2017-11-30 | 2018-05-17 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Кубанский государственный технологический университет" (ФГБОУ ВО "КубГТУ") | Vehicle recuperator equipped with flywheel and elastic elements |
| RU206705U1 (en) * | 2021-05-04 | 2021-09-23 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Кубанский государственный технологический университет" (ФГБОУ ВО "КубГТУ") | Vehicle recuperator equipped with flywheel and elastic elements |
-
2015
- 2015-04-14 CN CN201520223712.XU patent/CN204592194U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104832615A (en) * | 2015-04-14 | 2015-08-12 | 常州市凯迪电器有限公司 | Linear actuator and rapid releasing device thereof |
| RU2616460C1 (en) * | 2015-10-20 | 2017-04-17 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Кубанский государственный технологический университет" (ФГБОУ ВО "КубГТУ") | Vehicle recuperator equipped with flywheel and elastic elements |
| RU179517U1 (en) * | 2017-11-30 | 2018-05-17 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Кубанский государственный технологический университет" (ФГБОУ ВО "КубГТУ") | Vehicle recuperator equipped with flywheel and elastic elements |
| RU206705U1 (en) * | 2021-05-04 | 2021-09-23 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Кубанский государственный технологический университет" (ФГБОУ ВО "КубГТУ") | Vehicle recuperator equipped with flywheel and elastic elements |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Wujin Henglin Zhenjiang Village Road 213101 Jiangsu city of Changzhou province No. 4 Patentee after: CHANGZHOU KAIDI ELECTRICAL CO., LTD. Address before: Wujin Henglin Zhenjiang Village Road 213101 Jiangsu city of Changzhou province No. 4 Patentee before: Changzhou Kaidi Electric Appliance Co., Ltd. |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150826 Effective date of abandoning: 20170419 |