CN2539009Y - Torque-limiting overload protector - Google Patents
Torque-limiting overload protector Download PDFInfo
- Publication number
- CN2539009Y CN2539009Y CN 02273380 CN02273380U CN2539009Y CN 2539009 Y CN2539009 Y CN 2539009Y CN 02273380 CN02273380 CN 02273380 CN 02273380 U CN02273380 U CN 02273380U CN 2539009 Y CN2539009 Y CN 2539009Y
- Authority
- CN
- China
- Prior art keywords
- driving
- disc
- driven
- torque
- driving disc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
- Transmission Devices (AREA)
Abstract
The utility model relates to a limit-torque overload protector, belonging to an overload protection device in mechanical transmission, comprising a driving shaft (1) which is sleeved sequentially with an oil-free lubrication bearing (9), a driven disk (8) and a steel ball keeping bracket (7) provided with a steel ball (6), wherein a driving disk (5) is connected with the driving shaft (1) through a spline; a gland bush (2) is screwed and fastened on the driving shaft (1) by a holding screw (15); a plurality of springs are evenly distributed between the gland bush (2) and the driving disk (5); the oil-free lubrication bearing (10) is positioned between a driven shaft (11) and the driving shaft (5); the driven shaft (11) is fixed on the driven disk (8); and a dust cover (13) is fixed on the driving disk (5). When overloaded, the steel ball (6) is dropped out of a tapered pit (17) of the driving disk and a tapered pit (12) of the driven disk and the dust cover is moved rightwards along with the driving disk (5) to start a contact switch so as to control the electric control system; therefore, the motor is stopped and the torque can not be transmitted by the driven disk, which protects the electromechanical equipment from being damaged and prevents the occurrence of accidents.
Description
Technical field: the utility model belongs to overload protection arrangement in the mechanical transmission.
Background technique: in mechanical transmission, adopt coupling, clutch, fluid coupling to come transmitting torque or realization overload protection more at large; when output torque transships; can cause cltuch slipping to burn friction plate, coupling and mechanical accident such as twist off; or motor still overload operation can't cut off, cause electromechanical equipment to damage.Disclosed ZL95215562, ZL90214195 remain when traffic overload, centrifugal and friction plate skids or two half-couplings between slide relative takes place, can only guarantee that transmission device is not damaged because of overload, and can't cut off the electricity supply automatically, above-mentioned several device exists when in the mechanical transmission during traffic overload, can't cut off the electricity supply automatically, easily makes the parts of transmission device produce heating and physical damage, time of fixing a breakdown, resume operation is long, shortcomings such as influence production.
Summary of the invention: when solving in the mechanical transmission traffic overload; can in time cut off the electricity supply; motor is shut down; each parts of protection transmission device are not damaged; can fix a breakdown quickly and safely, resume production, propose following technological scheme: the utility model is made of driving shaft 1, spring capping 2, spring 3, spring seat 4, driving disc 5, driven disc 8, steel ball 6, ball retainer 7, bearing 9, bearing 10, dust-proof cover 13 and driven shaft 11.Bearing block plate 25 right sides suit successively on driving shaft 1 bearing 9, driven disc 8, ball retainer 7, and steel ball 6 is housed on ball retainer 7, and driving disc 5 and spring capping 2 are fixed on the driving shaft 1.Between spring capping 2 and the driving disc 5 spring seat 4 is housed, wherein is evenly equipped with spring 3, be connected bearing 10 between driving shaft 1 and driven shaft 11, driven shaft 11 is fixed on the driven disc 8, and dust-proof cover 13 is fixed on the driving disc 5.On the circumference that on the corresponding mutually face of driving disc 5 and driven disc 8 is radius, distinguish uniform driving disc taper nest 17 and driven disc taper nest 12 with R, uniform driving disc taper nest 18 has driving disc internal spline 20 on the interior circle of driving disc 5 on the circumference that on the driving disc 5 with r is radius.On the center line that on the driven disc 8 with r is radius annular arc groove 19 is arranged one, driven disc taper nest 12 is identical and corresponding one by one with driving disc taper nest 17 quantity.Driving disc 5 compresses with the spring force of driven disc 8 by spring 3; the tangential force driving torque that utilizes the spring positive pressure to decompose out; when traffic overload takes place when; be that load torque is when exceeding rated torque; the tangential force that the spring positive pressure decomposes out; be not enough to produce enough moments of torsion; steel ball 6 just can be deviate from from driving disc taper nest 17 and driven disc taper nest 12; driven disc 8 can't transmitting torque, makes driving disc 5 holddown springs 3, and drives dust-proof cover 13 displacement to the right; can cut off the electricity supply when touching contact switch; motor is shut down, and the parts of protection transmission device are not damaged, and the accident that prevents takes place.When resuming work as the need motor, only need the counter-rotating of crawl motor, steel ball 6 is fallen back in driving disc taper nest 17 and the driven disc taper nest 12, normal again starting electrical machinery can recover power transmission, and realizing fixes a breakdown quickly and safely resumes production.
Description of drawings: Fig. 1 is a structural representation of the present utility model, and Fig. 2 is the driving disc structural drawing, and Fig. 3 is the A-A sectional drawing of Fig. 2, and Fig. 4 is the driven disc structural drawing, and Fig. 5 is the B-B sectional drawing of Fig. 4.
Embodiment: the utility model is by driving shaft 1, spring capping 2, spring 3, spring seat 4, driving disc 5, steel ball 6, ball retainer 7, bearing 9, bearing 10, driven shaft 11, dust-proof cover 13, dust ring 14, Cock screw 15, screw 21, screw 22 and spring washer 23, spring washer 24 constitutes, bearing 9 is Nonlubricated bearings, bearing 10 also is a Nonlubricated bearing, bearing block plate 25 is arranged on driving shaft 1, external splines 16 and outside thread 26, on driving shaft 1, Nonlubricated bearing 9 near bearing block plate 25 suit successively, driven disc 8, ball retainer 7, steel ball 6 is housed on ball retainer 7, by driving disc internal spline 20 and external splines 16 driving disc 5 is connected on the driving shaft 1, internal thread 27 is arranged on the spring capping 2, set screw hole 28, dustproof ring recess 29, spring capping 2 is connected on the driving shaft 1 by internal thread 27 and outside thread 26, and be locked on the driving shaft 1 with Cock screw 15, between spring capping 2 and driving disc 5, spring seat 4 is housed, wherein uniform spring 3.On the corresponding mutually face of driving disc 5 and driven disc 8, be evenly equipped with the taper nest, promptly on the circumference with radius r on the driving disc 5, be evenly equipped with driving disc taper nest 18, be evenly equipped with driving disc taper nest 17 on the circumference with radius R, the degree of depth of driving disc taper nest 18 is darker than the degree of depth of driving disc taper nest 17.On the driven disc 8 with 5 corresponding of driving discs on uniform driven disc taper nest 12 on the circumference identical with driving disc 5 radius Rs, annular arc groove 19 is being arranged on the center line identical on the driven disc 8 with on corresponding of the driving disc with driving disc 5 radius r, driven disc taper nest 12 equates with driving disc taper nest 17 quantity, and it is corresponding one by one, in driving disc taper nest 17 with in the driven disc taper nest 12, steel ball 6 is arranged, in driving disc taper nest 18 with driven disc 8 on annular arc groove 19 in steel ball 6 is also arranged, left end cover on driving shaft 1 is Nonlubricated bearing 10 then, the outside at Nonlubricated bearing 10 is fixed on driven shaft 11 on the driven disc 8 with screw 21 and spring washer 23, and dustproof ring recess 29 is arranged on the cylindrical end face 33 of driven disc 8.Dust ring 14 is put into dustproof ring recess 29, and dust-proof cover 13 usefulness screws 22 and spring washer 24 are fixed on the driving disc 5.Between dust-proof cover 13 and the driven disc 8 and between dust-proof cover 13 and the spring capping 2 dust ring 14 is being arranged.Between driven disc 8 and the bearing block plate 25 Nonlubricated bearing 9 is arranged.Between driven shaft 11 and the bearing block plate 25 and between driven shaft 11 and the driving shaft 1 Nonlubricated bearing 10 is arranged, Nonlubricated bearing 10 is the flange axle sleeve.When motor shaft is connected with driving shaft 1 by keyway 30, starting electrical machinery passes to power on the driving disc 5 through the external splines on the driving shaft 1 16, through steel ball 6 transmission of power is arrived driven disc 8 again, owing to fixing driven shaft 11 again on the driven disc 8, so power is promptly passed by driven shaft 11.Because steel ball 6 is embedded in the driving disc taper nest 17 and driven disc taper nest 12 on the driving disc 5, and the taper nest of two dishes is corresponding one by one, be that driving disc taper nest 17 and driven disc taper nest 12 are corresponding one by one, positive pressure by spring 3 between driving disc 5 and the driven disc 8 compresses, when overload takes place in transmitting torque, be that load torque is when exceeding rated torque, the tangential force that the positive pressure of spring 3 decomposes out is not enough to produce enough moments of torsion, steel ball 6 just can be deviate from from driving disc taper nest 17, steel ball 6 withstands on the plane 31 in the middle of two driving disc taper nests 17 on the driving disc 5 deviate from, steel ball 6 is deviate from from driven disc taper nest 12 simultaneously, steel ball 6 withstands on the midplane 32 of two driven disc taper nests 12 on the driven disc 8 deviate from, because steel ball 6 deviates to cause driving disc 5 pressure springs 3 from the taper nest, driving disc 5 is moved right, the dust-proof cover 13 that is fixed on the driving disc 5 also moves right, right-hand member at dust-proof cover 13 is equipped with contact switch, by contact switch control automatical control system, can realize that motor is out of service.Each parts of protection transmission are not damaged; help timely maintenance; the accident that prevents takes place; when resuming work as need; only need the counter-rotating of crawl motor, steel ball 6 is fallen back in driving disc taper nest 17 and the driven disc taper nest 12 simultaneously, normal again starting electrical machinery can recover power transmission; reach in time and fix a breakdown safely, the purpose of resuming production.
Claims (7)
1; the torque-limiting type overload protective device; it is characterized in that it is by driving shaft (1); spring capping (2); spring (3); spring seat (4); driving disc (5); driven disc (8); steel ball (6); ball retainer (7); bearing (9); bearing (10); dust-proof cover (13) and driven shaft (11) constitute; bearing block plate (25) right side suit successively on driving shaft (1) bearing (9); driven disc (8); ball retainer (7); steel ball (6) is housed on ball retainer (7); driving disc (5) and spring capping (2) are fixed on the driving shaft (1); between spring capping (2) and the driving disc (5) spring seat (4) is housed; wherein be evenly equipped with spring (3); between driving shaft (1) and driven shaft (11), be connected bearing (10); driven shaft (11) is fixed on the driven disc (8), and dust-proof cover (13) is fixed on the driving disc (5).
2, torque-limiting type overload protective device according to claim 1, it is characterized in that on the circumference that on the corresponding mutually face of driving disc (5) and driven disc (8) is radius, distinguishing uniform driving disc taper nest (17) and driven disc taper nest (12) with R, going up with r at driving disc (5) is uniform driving disc taper nest (18) on the circumference of radius, and driving disc internal spline (20) is arranged on the interior circle of driving disc (5); Going up with r at driven disc (8) is on the center line of radius one annular arc groove (19) to be arranged, and driven disc taper nest (12) is identical and corresponding one by one with driving disc taper nest (17) quantity.
3, torque-limiting type overload protective device according to claim 1; it is characterized in that in driving disc taper nest (17) with in the driven disc taper nest (12), steel ball (6) being arranged, in driving disc taper nest (18) with driven disc (8) on annular arc groove (19) in steel ball (6) is also arranged.
4, torque-limiting type overload protective device according to claim 1 is characterized in that bearing block plate (25), external splines (16) and outside thread (26) are arranged on driving shaft (1).
5, torque-limiting type overload protective device according to claim 1 is characterized in that internal thread (27), set screw hole (28) and dustproof ring recess (29) are arranged on the spring capping (2).
6, torque-limiting type overload protective device according to claim 1 is characterized in that Nonlubricated bearing (10) is the flange axle sleeve.
7, torque-limiting type overload protective device according to claim 1 is characterized in that between dust-proof cover (13) and the driven disc (8) and between dust-proof cover (13) and the spring capping (2) dust ring (14) being arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02273380 CN2539009Y (en) | 2002-05-22 | 2002-05-22 | Torque-limiting overload protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02273380 CN2539009Y (en) | 2002-05-22 | 2002-05-22 | Torque-limiting overload protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2539009Y true CN2539009Y (en) | 2003-03-05 |
Family
ID=33737866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02273380 Expired - Fee Related CN2539009Y (en) | 2002-05-22 | 2002-05-22 | Torque-limiting overload protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2539009Y (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100365305C (en) * | 2005-09-20 | 2008-01-30 | 天津减速机股份有限公司 | Overload alarming protector and method thereof |
| CN101200075B (en) * | 2006-12-17 | 2011-12-21 | 软控股份有限公司 | Protection device of ultrasonic cutter and method thereof |
| CN102319910A (en) * | 2011-08-05 | 2012-01-18 | 沈阳机床（集团）设计研究院有限公司 | Synchronous overload protection structure for servo tool post |
| CN102969841A (en) * | 2012-11-02 | 2013-03-13 | 无锡明珠增压器制造有限公司 | Torsion detection device |
| CN103317523A (en) * | 2013-07-08 | 2013-09-25 | 林佳杰 | Robot joint |
| CN104455059A (en) * | 2014-10-29 | 2015-03-25 | 中国科学院苏州生物医学工程技术研究所 | Point contact steel ball type super-precise coupling device |
| CN107565761A (en) * | 2017-10-30 | 2018-01-09 | 深圳市西格传动科技有限公司 | A kind of reducing motor with Overloading protection apparatus |
| CN108423469A (en) * | 2017-06-23 | 2018-08-21 | 泉州精镁机械有限公司 | A kind of fine needle of band overload regulating mechanism is away from circular disc knitting machine |
| CN109058385A (en) * | 2018-10-28 | 2018-12-21 | 朱晨骏 | Angle grinder is converted into the attachment device of garden instrument |
| CN110107616A (en) * | 2019-04-26 | 2019-08-09 | 江苏泰克曼传动设备有限公司 | A kind of limiter of moment for overload protection |
| CN110301670A (en) * | 2019-07-30 | 2019-10-08 | 福建中烟工业有限责任公司 | Conveying device and cigarette conveying equipment |
| CN115355261A (en) * | 2022-07-12 | 2022-11-18 | 复旦大学附属华山医院 | Safety coupling and hand rehabilitation therapeutic instrument |
-
2002
- 2002-05-22 CN CN 02273380 patent/CN2539009Y/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100365305C (en) * | 2005-09-20 | 2008-01-30 | 天津减速机股份有限公司 | Overload alarming protector and method thereof |
| CN101200075B (en) * | 2006-12-17 | 2011-12-21 | 软控股份有限公司 | Protection device of ultrasonic cutter and method thereof |
| CN102319910A (en) * | 2011-08-05 | 2012-01-18 | 沈阳机床（集团）设计研究院有限公司 | Synchronous overload protection structure for servo tool post |
| CN102969841A (en) * | 2012-11-02 | 2013-03-13 | 无锡明珠增压器制造有限公司 | Torsion detection device |
| CN103317523B (en) * | 2013-07-08 | 2015-12-23 | 林佳杰 | A kind of joint of robot |
| CN103317523A (en) * | 2013-07-08 | 2013-09-25 | 林佳杰 | Robot joint |
| CN104455059A (en) * | 2014-10-29 | 2015-03-25 | 中国科学院苏州生物医学工程技术研究所 | Point contact steel ball type super-precise coupling device |
| CN108423469A (en) * | 2017-06-23 | 2018-08-21 | 泉州精镁机械有限公司 | A kind of fine needle of band overload regulating mechanism is away from circular disc knitting machine |
| CN107565761A (en) * | 2017-10-30 | 2018-01-09 | 深圳市西格传动科技有限公司 | A kind of reducing motor with Overloading protection apparatus |
| CN109058385A (en) * | 2018-10-28 | 2018-12-21 | 朱晨骏 | Angle grinder is converted into the attachment device of garden instrument |
| CN109058385B (en) * | 2018-10-28 | 2024-04-05 | 永康市励鹰工贸有限公司 | Connecting device for converting angle grinder into garden tool |
| CN110107616A (en) * | 2019-04-26 | 2019-08-09 | 江苏泰克曼传动设备有限公司 | A kind of limiter of moment for overload protection |
| CN110301670A (en) * | 2019-07-30 | 2019-10-08 | 福建中烟工业有限责任公司 | Conveying device and cigarette conveying equipment |
| CN115355261A (en) * | 2022-07-12 | 2022-11-18 | 复旦大学附属华山医院 | Safety coupling and hand rehabilitation therapeutic instrument |
| CN115355261B (en) * | 2022-07-12 | 2024-03-29 | 复旦大学附属华山医院 | Safety coupling and hand rehabilitation therapeutic apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2539009Y (en) | Torque-limiting overload protector | |
| CN102072265A (en) | Compact disc spring torque limiter | |
| CN1834491A (en) | Coupler with double-row chains | |
| KR970011093B1 (en) | Electric hoist and traction apparatus | |
| CN101813146B (en) | Coupling braking load limiter | |
| CN104779753A (en) | Coal mining machine motor torque axis overload protecting device based on magneto-rheological technology | |
| CN200989393Y (en) | Torque adjustable shaft coupling | |
| CN1182333C (en) | Centrifugal moment-limiting ball shaft coupling | |
| CN213393225U (en) | Torque overload protector | |
| CN202768778U (en) | Synchronous belt pulley with torque limit | |
| CN212536477U (en) | Anti-reverse coupling | |
| CN210196362U (en) | Speed reducer with anti-load function | |
| CN216842775U (en) | Failure protection steel ball type torque limiter | |
| CN2487914Y (en) | Centrifugal distance-limiting steel ball coupling | |
| CN2195000Y (en) | Electromagnetic clutch for motor or diesel engine | |
| CN2901546Y (en) | Convenient tap switch safety protective coupling | |
| CN203836137U (en) | Gear | |
| CN105564906A (en) | Low-speed heavy-load anti-blocking overload protection chain wheel transmission device | |
| CN113154000A (en) | Gear with overload protection function | |
| CN102767607A (en) | Synchronous pulley with torque limit | |
| CN202500916U (en) | Safety coupling of vehicular dry type screw air-compressor | |
| CN201196154Y (en) | Diesel engine-driving combination type high speed blowing machine | |
| CN215720366U (en) | Solid coupling module coupling | |
| CN215521728U (en) | Torque limiter with dustproof structure | |
| CN212867706U (en) | Transfer device for driving multiple loads by single-cylinder engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |