CN103953664A - Bi-directional torque overload protector - Google Patents
Bi-directional torque overload protector Download PDFInfo
- Publication number
- CN103953664A CN103953664A CN201410201784.4A CN201410201784A CN103953664A CN 103953664 A CN103953664 A CN 103953664A CN 201410201784 A CN201410201784 A CN 201410201784A CN 103953664 A CN103953664 A CN 103953664A
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- China
- Prior art keywords
- roller
- baffle plate
- groove
- baffle
- outer shroud
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Links
- 230000001012 protector Effects 0.000 title abstract description 7
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 claims abstract description 21
- 230000000694 effects Effects 0.000 claims abstract description 15
- 230000003068 static effect Effects 0.000 claims abstract description 6
- 230000001681 protective effect Effects 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 230000002457 bidirectional effect Effects 0.000 abstract description 2
- 238000013459 approach Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The invention discloses a bi-directional torque overload protector which can realize bidirectional protection during shaft driving. The bi-directional torque overload protector consists of an outer ring, an inner ring, a roller, a retaining frame, a baffle, a serpentine spring, a pad, wave-shaped springs and an end cover, wherein an outer ring roller groove, an end cover groove and an outer key groove are formed in the outer ring; an baffle groove, a baffle opening, an inner ring roller groove, a wave-shaped roller groove, wave-shaped spring grooves, an inner key groove and an inner ring end cover groove are formed in the inner ring; a roller hole and a baffle hole are formed in the retaining frame; the baffle consists of a baffle head and baffle lugs; the outer ring is connected with a driven shaft; the inner ring is connected with a drive shaft; after the drive shaft is started, the inner ring starts to rotate and the outer ring is relatively static; the roller starts to roll and is close to the nearest wave-shaped spring; the outer surface of the wave-shaped spring protrudes out from the surface of the inner ring roller groove, so that the roller can be clamped between the outer ring and the wave-shaped spring, and the inner ring drives the outer ring to rotate synchronously to realize shaft drive; when the driven shaft is hampered or even blocked, the roller can run over the wave-shaped spring; at the moment, the retaining frame is blocked by the baffle, moreover, the roller is prevented from getting close to the next wave-shaped spring, so that the retaining frame cannot be clamped again and can rotate. Therefore, an overload protection effect is achieved.
Description
Technical field:
The present invention relates to a kind of mechanical double-way torque overload protector, belong to mechanical field.
Technical background:
Current existing Bidirectional overload protector has ball type, friction type, hydraulic type, pneumatic type, electromagnetic type etc.These protectors all have his own strong points, and application is also very extensive.But all have structure relative complex, assembling takes up room large, the problem that manufacture, maintenance and user cost are higher.Therefore, the invention provides a kind of structure relatively simple, it is little that volume is little, assembling takes up room, and manufacturing cost and use cost is low, non-maintaining double-direction twist moment overload protective device.
Summary of the invention:
The technical issues that need to address of the present invention are, overcome the deficiency of background technique, and a kind of mechanical double-way torque overload protector is provided, and its volume simple in structure is little lightweight easy to use.Of the present invention theing contents are as follows.
1, structure:
Double-direction twist moment overload protective device is made up of outer shroud, interior ring, roller, retainer, baffle plate, serpentine spring, cushion block, wavy spring and end cap.Wherein, on outer shroud, there are outer shroud roller slot, outer shroud end cap groove and outside keyway; On interior ring, there are baffle plate groove, baffle orifice, interior spline, interior ring roller slot, wavy spring groove and interior ring end cap groove; On retainer, there are roller hole and baffle holes; Baffle plate is made up of baffle plate head and baffle plate ear.
2, working principle:
Outer shroud is connected with driven shaft by outside keyway, and interior ring is connected with driving shaft by interior spline.In the time that driving shaft starts to start, outer shroud remains static, and roller rolls thereupon.In the time that roller arrives wavy spring position, because wavy spring outer surface protrudes from interior ring roller slot surface, the rubbing action of now asking due to part surface, roller is just stuck between outer shroud and wavy spring, thereby drive outer shroud, makes synchronous rotation of outer shroud and interior ring realize shaft drive.
In shaft drive process; if being obstructed, driven shaft is even stuck; now moment of torsion can increase suddenly; just forcing roller to roll wavy spring is out of shape until roller ground wavy spring wavy spring; make roller enter another rotatable space; even if now driven shaft has been stuck and also can have allowed driving shaft be rotated further, thereby reach the object that overload protection prevents that parts from damaging.
But roller can continue to approach and be finally stuck in again on next wavy spring to next wavy spring after grinding first wavy spring, if now driven shaft is still stuck, certainly will cause another moment of torsion suddenly to increase, also can cause in the course of time the acceleration of parts to damage.Therefore two symmetrical baffle plates are set, and restriction retainer rotates, and stops roller to approach next wavy spring.
Baffle plate is pushed baffle plate to axle center by serpentine spring by baffle plate ear in the time that driving shaft is static, and now baffle plate does not provide constraints.In the time that driving shaft slowly runs, the centrifugal force of baffle plate is not enough to resist the strength of serpentine spring, and baffle plate does not play restriction yet; Along with the raising of rotating speed, when the centrifugal force of baffle plate is enough to resist the strength of snakelike leaf spring, baffle plate ear will be oppressed serpentine spring and be made it distortion, and baffle plate head is just extend into and between outer shroud and interior ring, blocked retainer limit rotation roller and approach wavy spring and play barrier effect by baffle orifice.The effect of cushion block is axially coming off of may causing shift to axle center under the effect of snakelike leaf spring time of anti-baffle plate.The effect one of end cap is for baffle plate is in radially smooth and easy slip with prevent coming off of serpentine spring, the 2nd, play sealing and dustproof.
Brief description of the drawings:
Fig. 1 is schematic appearance, and Fig. 2 is that internal structure is dissected schematic diagram, and Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10 and Figure 11 are design of part schematic diagram.
Embodiment:
Below in conjunction with accompanying drawing, the invention will be further described.
1. structure:
Double-direction twist moment overload protective device is made up of outer shroud (1), interior ring (2), roller (3), retainer (4) baffle plate (5), serpentine spring (6), cushion block (7), wavy spring (8) and end cap (9).
On outer shroud (1), there are outer shroud roller slot (10), outer shroud end cap groove (11) and outside keyway (12).
On interior ring (2), there are baffle plate groove (13), baffle orifice (14), interior ring roller slot (15), wavy spring groove (16), interior spline (17) and interior ring end cap groove (18).
On retainer, there are roller hole (19) and baffle holes (20).
Baffle plate (5) is made up of baffle plate head (21) and baffle plate ear (22).
Form agent structure by outer shroud (1), interior ring (2), roller (3) and retainer (4); Outer shroud (1) is positioned at the outermost of agent structure, and interior ring (2) is positioned at the center of agent structure; Roller (3) is positioned between outer shroud roller slot (10) and ring roller slot (15); Retainer (4) is positioned between outer shroud (1) and ring (2), roller (3) fit by roller hole (19) with respective amount; Baffle plate (5) is arranged in baffle plate groove (13), and baffle plate head (21) is towards baffle orifice (14) direction; Serpentine spring (6) is embedded in the hole forming between baffle plate groove (13) and baffle plate ear (22); Cushion block (7) is positioned at the shaft core position of baffle plate groove (13); Wavy spring (8) is arranged in wavy spring groove (16); End cap (9) is positioned at the both sides of ring (2), is embedded between outer shroud end cap groove (11) and interior ring end cap groove (18).
2. working principle:
Outer shroud (1) connects driven shaft by outside keyway (12), and interior ring (2) connects driving shaft by interior spline (17).Spacing between the outer shroud roller slot (11) of outer shroud (1) and the interior ring roller slot (15) of interior ring (2) just in time can be held roller (3) and can make it roll betwixt.When driving shaft starts to start moment, outer shroud (1) is in relative static conditions, and roller (3) will roll between outer shroud roller slot (9) and interior ring roller slot (15).In the time that roller (3) is rolled to wavy spring (8) position, because wavy spring (8) is a watt shape, its outer surface protrudes from interior ring roller slot (15) surface, now roller (3) is just stuck between outer shroud (1) and wavy spring (8), thereby drive outer shroud (1) to rotate, also just play driving shaft and driven driven shaft to rotate, realized driven off by shaft effect.
In shaft drive process; if driven shaft is obstructed and is even stuck and driving shaft is also being rotated further; now moment of torsion can increase suddenly; just force roller (3) to roll wavy spring (8); make roller (3) enter another rotatable space; allow driving shaft be rotated further, thereby reach the object that overload protection prevents that parts from damaging.
But roller (3) can continue to approach to next wavy spring (8) after rolling first wavy spring (8), finally be stuck in again between next wavy spring (8) and outer shroud (2), if now driven shaft is still obstructed or is stuck, certainly will cause again moment of torsion suddenly to increase, also can cause in the course of time the acceleration of parts to damage.Therefore the baffle plate (5) of two position symmetries is set on interior ring (2), and restriction retainer (4) rotates, and stops that roller (3) approaches next wavy spring (8).
Baffle plate (5) is in the time that interior ring (2) is static, push axle center to by serpentine spring (6), now baffle plate (5) does not provide constraints, roller (3) can be between two wavy springs (8) Free-rolling, just do not affect driving shaft yet and start to any one direction.In the time that interior ring (2) slowly runs, the centrifugal force that baffle plate (5) produces is not enough to resist the strength of serpentine spring (6), baffle plate (5) will be pressed to shaft core position by serpentine spring (5), does not also play barrier effect; Along with the raising of rotating speed, when the centrifugal force of baffle plate (5) is enough to resist the strength of serpentine spring (6), the baffle plate head (21) of baffle plate (5) just by baffle orifice (14) extend between outer shroud (1) and interior ring (2), limit retainer (4) thus rotation stops that roller (3) approaches next wavy spring (8).The effect of cushion block (7) is coming off of may causing while moving back to axle center under the effect of serpentine spring (6) of anti-baffle plate (5).The effect one of end cap (9) is for baffle plate (5) is radially sliding smooth and easy and preventing that serpentine spring (6) from coming off, the 2nd, play sealing and dustproof.
Claims (13)
1. a double-direction twist moment overload protective device, comprise outer shroud (1), interior ring (2), roller (3), retainer (4), baffle plate (5), serpentine spring (6), cushion block (7), wavy spring (8) and end cap (9), it is characterized in that described double-direction twist moment overload protective device is by outer shroud (1), interior ring (2), roller (3) and retainer (4) form agent structure, baffle plate (5), serpentine spring (6), cushion block (7), wavy spring (8) and end cap (9) match with corresponding agent structure.
2. outer shroud according to claim 1 (1), it is characterized in that being positioned at the outermost of agent structure, formed by outer shroud roller slot (10), outer shroud end cap groove (11) and outside keyway (12), be connected with driven shaft by outside keyway (12).
3. interior ring according to claim 1 (2), it is characterized in that being positioned at the central position of agent structure, formed by baffle plate groove (13), baffle orifice (14), interior ring roller slot (15), wavy spring groove (16), interior spline (17) and interior ring end cap groove (18), be connected with driving shaft by interior spline (17).
4. roller according to claim 1 (3), it is characterized in that being positioned between outer shroud roller slot (9) and ring roller slot (15), rise and support and rolling action, outer shroud (1) and interior ring (2) can be relatively rotated.
5. retainer according to claim 1 (4), it is characterized in that being positioned between outer shroud (1) and ring (2), roller (3) fit of roller hole (19) and respective numbers, make roller (3) keep specific spacing and synchronize them playing a role, the quantity of baffle holes (20) is also corresponding with roller (3) quantity, be used for holding baffle plate head (21) and be subject to the control of baffle plate (5), stopping the roller next wavy spring (8) of not reacceesing.
6. baffle plate according to claim 1 (5), it is characterized in that being formed by baffle plate head (21) and baffle plate ear (22), be arranged in baffle plate groove (13), its baffle plate head (21), towards baffle orifice (14) direction, plays control action to retainer (4).
7. serpentine spring according to claim 1 (6), it is characterized in that the hole of the both sides that are arranged in baffle plate groove (13) and baffle plate (5) formation, its effect is to push baffle plate (5) to shaft core position in the time of static or low speed, controls baffle plate (5) and plays a role.
8. cushion block according to claim 1 (7), it is characterized in that being embedded in the position of baffle plate groove (12) by axle center, its effect is radially coming off of may occurring while being pushed to axle center by serpentine spring (6) of anti-baffle plate (5).
9. wavy spring according to claim 1 (8), is characterized in that being arranged in wavy spring groove (16), and its effect is the motion that hinders roller (3).
10. end cap according to claim 1 (9), it is characterized in that being positioned at the both sides of outer shroud (1) and ring (2), between outer shroud end cap groove (10) and interior ring end cap groove (17), its effect is to make the radially smooth and easy slip of baffle plate (5) and prevent that serpentine spring (5) from coming off, and plays sealing and dustproof effect simultaneously.
11. baffle plate grooves according to claim 3 (13) and baffle orifice (14), it is characterized in that symmetry and be distributed in interior ring (2) above, the quantity of distribution is decided according to the actual requirements.
12. wavy spring grooves according to claim 3 (16), it is characterized in that being distributed on the interior ring roller slot (15) of interior ring (2), and the quantity of distribution is corresponding with the quantity of roller (3).
13. according to the baffle plate (5) described in claim 1,6,7,8, serpentine spring (6), cushion block (7), it is characterized in that these three kinds of parts form in groups, in each group, there is each one of baffle plate (5), cushion block (7), (5) two of serpentine springs, group number is corresponding with the quantity of baffle plate groove (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410201784.4A CN103953664B (en) | 2014-05-14 | 2014-05-14 | Double-direction twist moment overload protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410201784.4A CN103953664B (en) | 2014-05-14 | 2014-05-14 | Double-direction twist moment overload protective device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103953664A true CN103953664A (en) | 2014-07-30 |
| CN103953664B CN103953664B (en) | 2018-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410201784.4A Active CN103953664B (en) | 2014-05-14 | 2014-05-14 | Double-direction twist moment overload protective device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103953664B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1041208A (en) * | 1989-10-11 | 1990-04-11 | 天津市第二机床厂 | Rolling-friction clutch |
| US4921084A (en) * | 1989-04-24 | 1990-05-01 | General Motors Corporation | Low friction roller control car |
| EP1031752A1 (en) * | 1999-02-26 | 2000-08-30 | BorgWarner Inc. | Ratchet one-way clutch assembly with restraining members |
| CN101586634A (en) * | 2009-06-19 | 2009-11-25 | 常州沃肯传动科技有限公司 | Electric vehicle overrunning clutch |
| CN102345691A (en) * | 2010-08-02 | 2012-02-08 | 王雷 | Structure of novel clutch |
| CN204082990U (en) * | 2014-05-14 | 2015-01-07 | 徐毅 | Double-direction twist moment overload protective device |
-
2014
- 2014-05-14 CN CN201410201784.4A patent/CN103953664B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4921084A (en) * | 1989-04-24 | 1990-05-01 | General Motors Corporation | Low friction roller control car |
| CN1041208A (en) * | 1989-10-11 | 1990-04-11 | 天津市第二机床厂 | Rolling-friction clutch |
| EP1031752A1 (en) * | 1999-02-26 | 2000-08-30 | BorgWarner Inc. | Ratchet one-way clutch assembly with restraining members |
| CN101586634A (en) * | 2009-06-19 | 2009-11-25 | 常州沃肯传动科技有限公司 | Electric vehicle overrunning clutch |
| CN102345691A (en) * | 2010-08-02 | 2012-02-08 | 王雷 | Structure of novel clutch |
| CN204082990U (en) * | 2014-05-14 | 2015-01-07 | 徐毅 | Double-direction twist moment overload protective device |
Non-Patent Citations (1)
| Title |
|---|
| 梁以德: "《新型安全离合器》", 《机械设计与研究》 * |
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| Publication number | Publication date |
|---|---|
| CN103953664B (en) | 2018-12-11 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20180411 Address after: 226600 Changjiang West Road, Haian County, Nantong, Jiangsu Province, No. 33 Applicant after: Xia Yu Address before: 400020 No. 34, No. 34, Xing Long Lu, Jiangbei District, Chongqing City, 23-18 Applicant before: Xu Yi |
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| TA01 | Transfer of patent application right | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 215008 Soochow University, 50 East loop road, Suzhou, Jiangsu Applicant after: Xia Yu Address before: 226600 Changjiang West Road, Haian County, Nantong, Jiangsu Province, No. 33 Applicant before: Xia Yu |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20181031 Address after: 226600 Donghai Road (East) 18, Chengdong Town, Haian economic and Technological Development Zone, Nantong, Jiangsu Applicant after: Jiangsu Haixun Railway Equipment Group Co., Ltd. Address before: 215008 Soochow University, 50 East loop road, Suzhou, Jiangsu Applicant before: Xia Yu |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190411 Address after: 226600 No. 18 Donghai Avenue, Chengdong Town, Haian City, Jiangsu Province Co-patentee after: NANTONG HAIXUN DRAKA ELEVATOR PRODUCTS CO., LTD. Patentee after: Jiangsu Haixun Railway Equipment Group Co., Ltd. Address before: 226600 Donghai Road (East) 18, Chengdong Town, Haian economic and Technological Development Zone, Nantong, Jiangsu Patentee before: Jiangsu Haixun Railway Equipment Group Co., Ltd. |
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| TR01 | Transfer of patent right |