CN201696514U - Ball cage shaft joint with automatic overload protection and alarm function - Google Patents
Ball cage shaft joint with automatic overload protection and alarm function Download PDFInfo
- Publication number
- CN201696514U CN201696514U CN2010202299462U CN201020229946U CN201696514U CN 201696514 U CN201696514 U CN 201696514U CN 2010202299462 U CN2010202299462 U CN 2010202299462U CN 201020229946 U CN201020229946 U CN 201020229946U CN 201696514 U CN201696514 U CN 201696514U
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- outer ring
- end outer
- overload protection
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Abstract
The utility model provides a ball cage shaft joint with automatic overload protection and alarm function, which is used on occasions of non-ferrous metal and petroleum industries with large impact force, frequent overload and continuous working. Driven and driving shafts are respectively connected with driven and driving shaft flanges, driven and driving end outer rings of an intermediate shaft are respectively connected with the intermediate shaft by a retaining rack and a steel ball, the driven end outer ring of the intermediate shaft is connected with the driven shaft flange, sealing systems are respectively arranged at the end faces of the driven and driving end outer rings of the intermediate shaft, and a torque limiter is arranged between the driving end outer ring of the intermediate shaft and the driving shaft flange. When in overload, the steel ball is separated from a groove, so as to lead to slippage between driving and driven end components; the steel ball and a positioning shaft carry out S-shaped axial movement along the respective axial directions; in addition, the ball cage shaft joint can automatically cut off a power source and send alarms by an automatic overload protection device. The ball cage shaft joint has the characteristics of high safety coefficient, high reliability and long service life. After overload is removed, automatic restoration can be realized; the overload torque value is continuously adjustable; the shaft joint and other external equipment can be protected to the maximum degree, the time for reparation and replacement of the shaft joint is shortened, and the number of stopping times is reduced as well.
Description
Technical field
The utility model relates to machinery manufacturing technology field, automatic overload protection arrangement of band that particularly uses on metallurgy, non-ferrous metal, the petroleum machinery and the ball cage coupling that can report to the police.
Background technique
Existing ball cage coupling mainly is made up of master and slave moving axis, jack shaft, outer ring, inner ring, retainer, steel ball, sealing system etc., wherein there are many to be oval or circular straight flute road on transmission shaft and the outer ring along the circumference cross section that evenly distributes, torque is transmitted (or contrary direction) through transmission shaft raceway groove, steel ball, two outer ring raceway, realizes drive end and driven end transmission of power; The effect of retainer is that the steel ball group is on the equidistant point of transmission shaft, outer ring raceway constantly; The long-acting lubricating grease that sealing system inner filling ageing-resistant performance is good, contain extreme pressure agent.By the rolling of steel ball between the straight flute road, realize axially and the compensation of angle, and in the spatial design extreme angles, can be completely achieved constant speed.But when the equipment of outreaching such as motor, speed reducer or machine work do-part impact when excessive, the coupling of this structure can not stop transmission automatically, can't protect the equipment that links with coupling, has a strong impact on the working life of coupling operational reliability and associated equipment.
Summary of the invention
For overcoming the deficiencies in the prior art; it is a kind of with automatic overload protection and the ball cage coupling that can report to the police that goal of the invention of the present utility model is to provide; by between jack shaft and driving shaft, setting up automatic overload protection arrangement; to improve the working life of coupling, protect coupling and miscellaneous equipment to greatest extent.
For achieving the above object, the technical solution of the utility model is: driven shaft, driving shaft is respectively through link and driven shaft flange, the driving shaft flange connects, jack shaft driven end outer ring, jack shaft drive end outer ring is respectively through retainer, steel ball in the retainer links to each other with jack shaft, jack shaft driven end outer ring is connected with the driven shaft flange through link, the end face of jack shaft driven end outer ring and jack shaft drive end outer ring is equipped with sealing system respectively, it is characterized in that: between jack shaft drive end outer ring and the driving shaft flange torque limiter is housed, the drive end parts of torque limiter are connected with the driving shaft flange through link, spring seat is equipped with in the end of drive end parts, establish positioning shaft in the drive end parts, there is cone shape hole at the center of driven end parts and positioning shaft, between steel ball is housed, steel ball is evenly distributed in the retainer, in the spring seat, folded spring is equipped with at the step place of positioning shaft, and the end face of folded spring is provided with adjusting screw; The two end axles of jack shaft is equipped with tip-lever support, push rod to porose in the hole, collar is equipped with in the end of push rod, and push rod is spun on the bolt, is with spring on the bolt;
Be equipped with behind the described torque limiter and outreach the induction installation that apparatus control system links to each other, induction installation is a limit switch or near switch, sensor; Warning device is installed behind the induction installation.
During overload; the pressure that uniform steel ball overcomes folded spring breaks away from groove; make to produce between drive end parts and the driven end parts and skid; in the process of skidding uniform steel ball and positioning shaft along separately axially serpentine move axially; protect coupling itself and other to outreach equipment to greatest extent; as motor, speed reducer and machine work do-part, avoided the device damage that causes because of overload, reduced the economic loss that electric prospection lost efficacy and causes.
The utility model compared with prior art has the following advantages:
1, big in impact force, overload is frequent, the occasion of continuous operation, need not shut down, can cut off power source and warning automatically by automatic overload protection arrangement, safety coefficient and reliability height, it is important supplement to equipment electrical equipment overload protection, efficiently solve ball cage coupling because of impacting excessive influence, reduce comprehensive user cost its life-span;
2, after overload is eliminated, can automatically reset; The overload torque value is adjustable continuously, can protect coupling and other to outreach equipment to greatest extent;
3, can reduce the shutdown number of times, shorten the maintain and replace time of coupling.
Description of drawings
Fig. 1 is a structural drawing of the present utility model;
Fig. 2 is the enlarged view of the torque limiter 15 of Fig. 1;
Fig. 3 is the I enlarged view of Fig. 1;
Fig. 4 is the II enlarged view of Fig. 1.
Embodiment
As Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, driving shaft 19 is connected with driving shaft flange 18 through connecting key, torque limiter 15 links to each other with driving shaft flange 18 through bolt and key, jack shaft drive end outer ring 12 is connected with torque limiter 15 by screw, the drive end of jack shaft 11, many the straight flute roads that equidistantly distribute along circumference are arranged on the jack shaft drive end outer ring 12, between steel ball 13 is housed, steel ball 13 is installed in the window of retainer 14, the end face of jack shaft drive end outer ring 12 is equipped with sealing system, and sealing system comprises gland 26, sealing gasket 27, seal closure 28, back-up ring 29, clip 30; Many the straight flute roads that equidistantly distribute along circumference are arranged on the driven end of jack shaft 11, the jack shaft driven end outer ring 3, between steel ball 4 is housed, steel ball 4 is installed in the window of retainer 5, the end face of jack shaft driven end outer ring 3 is equipped with sealing system, and sealing system comprises gland 6, sealing gasket 7, seal closure 8, back-up ring 9, clip 10; Jack shaft driven end outer ring 3 is connected with driven shaft flange 2 through bolt and key, is connected with connecting key between driven shaft 1 and the driven shaft flange 2; The drive end parts 39 of torque limiter 15 are connected with driving shaft flange 18 through screw, spring seat 43 is equipped with in the end of drive end parts 39, establish positioning shaft 40 in the drive end parts 39, driven end parts 36 are connected with jack shaft drive end outer ring 12 through screw, driven end parts 36 have cone shape hole with the center of positioning shaft 40, between steel ball 37 is housed, steel ball 37 is evenly distributed in the retainer 38, folded spring 41 is equipped with at spring seat 43 step places interior, positioning shaft 40, and the end face of folded spring 41 is provided with adjusting screw 42; Be equipped with behind the torque limiter 15 and outreach induction installation 16 and the warning device 17 that apparatus control system 20 links to each other, induction installation 16 is a limit switch or near switch, sensor; The two end axles of jack shaft 11 is equipped with tip-lever support 24, push rod 22 to porose in the axis hole of drive end, collar 21 is equipped with in the end of push rod 22, and push rod 22 is spun on the bolt 25, is with spring 23 on the bolt 25; Tip-lever support 32, push rod 34 are housed in the axis hole of driven end, and collar 35 is equipped with in the end of push rod 34, and push rod 34 is spun on the bolt 31, is with spring 33 on the bolt 31.
When having axial displacement or angle to change during driven shaft 1 work, drive driven end outer ring 3 and be synchronized with the movement with driven shaft 1, steel ball 4 rolls in the raceway groove of driven end outer ring 3, and compensating axial displacement or angle change; When axial displacement was compression, push rod 34, push rod 22 guaranteed that jack shaft left sides, jack shaft right side do not contact with the interior step surface of jack shaft driven end outer ring 3, jack shaft drive end outer ring 12, and play the effect of buffering axial impact.
The utility model is realized the transmission of power of reliable torque value by driving shaft 19, torque limiter 15, jack shaft 11, driven shaft 1.
During torque limiter 15 overloads; the pressure that steel ball 37 overcomes folded spring 41 breaks away from cone shape hole; make to produce between drive end parts 39 and the driven end parts 36 and skid; torque limiter 15 driven end parts 36 stop transmission automatically with the rear section on the coupling; protect coupling itself and other to outreach equipment to greatest extent; as motor, speed reducer and machine work do-part, avoided the device damage that causes because of overload, reduced the economic loss that electric prospection lost efficacy and causes.Uniform steel ball 37 moves axially along positioning shaft 40 serpentines separately in the process of skidding, moving axially of positioning shaft 40, make be installed in torque limiter 15 back, with outreach that the induction installation 16 that apparatus control system 20 links to each other (limit switch or near switch, sensor) sends signal, warning device 17 is reported to the police; After overload is eliminated, uniform steel ball 37 rotates an angle and automatically resets in next cone shape hole under the pressure of folded spring 41 in the rotary course, continue transmitting torque, resume work, drive end parts 39 and driven end parts 36 are recovering normal rotation after angle of rotation mutually like this.Regulate the pressure that Cock screw 42 is regulated folded spring 41 by adjusting, the overload torque value is adjustable continuously in predetermined range.
Claims (6)
1. one kind with automatic overload protection and the ball cage coupling that can report to the police; driven shaft (1); driving shaft (19) is respectively through link and driven shaft flange (2); driving shaft flange (18) connects; jack shaft driven end outer ring (3); jack shaft drive end outer ring (12) is respectively through retainer (5); steel ball (4) in the retainer (14); steel ball (13) links to each other with jack shaft (11); jack shaft driven end outer ring (3) is connected with driven shaft flange (2) through link; the end face of jack shaft driven end outer ring (3) and jack shaft drive end outer ring (12) is equipped with sealing system respectively, it is characterized in that: between jack shaft drive end outer ring (12) and the driving shaft flange (18) torque limiter (15) is housed.
2. automatic overload protection of band according to claim 1 and the ball cage coupling that can report to the police; it is characterized in that: the drive end parts (39) of described torque limiter (15) are connected with driving shaft flange (18) through link; spring seat (43) is equipped with in the end of drive end parts (39); establish positioning shaft (40) in the drive end parts (39); driven end parts (36) have cone shape hole with the center of positioning shaft (40); between steel ball (37) is housed; steel ball (37) is evenly distributed in the retainer (38); in the spring seat (43); folded spring (41) is equipped with at the step place of positioning shaft (40), and the end face of folded spring (41) is provided with adjusting screw (42).
3. automatic overload protection of band according to claim 1 and the ball cage coupling that can report to the police; it is characterized in that: be equipped with behind the torque limiter (15) and outreach the induction installation (16) that apparatus control system (20) links to each other, induction installation (16) is a limit switch or near switch, sensor.
4. automatic overload protection of band according to claim 2 and the ball cage coupling that can report to the police is characterized in that: warning device (17) is installed in induction installation (16) back.
5. automatic overload protection of band according to claim 1 and the ball cage coupling that can report to the police; it is characterized in that: jack shaft (11) is axially porose; tip-lever support (24), push rod (22) are housed in the axis hole of drive end; collar (21) is equipped with in the end of push rod (22); push rod (22) is spun on the bolt (25), is with spring (23) on the bolt (25).
6. automatic overload protection of band according to claim 1 and the ball cage coupling that can report to the police; it is characterized in that: jack shaft (11) is axially porose; tip-lever support (32), push rod (34) are housed in the axis hole of driven end; collar (35) is equipped with in the end of push rod (34); push rod (34) is spun on the bolt (31), is with spring (33) on the bolt (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202299462U CN201696514U (en) | 2010-06-09 | 2010-06-09 | Ball cage shaft joint with automatic overload protection and alarm function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202299462U CN201696514U (en) | 2010-06-09 | 2010-06-09 | Ball cage shaft joint with automatic overload protection and alarm function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201696514U true CN201696514U (en) | 2011-01-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202299462U Expired - Fee Related CN201696514U (en) | 2010-06-09 | 2010-06-09 | Ball cage shaft joint with automatic overload protection and alarm function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201696514U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN102401016A (en) * | 2011-11-27 | 2012-04-04 | 襄阳博亚精工装备股份有限公司 | Combined coupling |
| CN102606635A (en) * | 2012-03-20 | 2012-07-25 | 中国重型机械研究院有限公司 | Axial buffering type intermediate shaft connecting coupler applicable to working conditions with high speed and heavy load |
| CN104196912A (en) * | 2013-12-27 | 2014-12-10 | 镇江恒宇传动机械有限责任公司 | Steel ball type force limiting safety coupling |
| CN106984995A (en) * | 2017-05-24 | 2017-07-28 | 东南大学 | Numerically-controlled slide machining overload protection device |
| CN107061531A (en) * | 2017-04-01 | 2017-08-18 | 郑州纺机工程技术有限公司 | A kind of metering pump transmission device suitable for chemical fiber machinery |
| CN110101551A (en) * | 2019-04-26 | 2019-08-09 | 广东博智林机器人有限公司 | A kind of skidding component |
| WO2020063785A1 (en) * | 2018-09-28 | 2020-04-02 | 陈娟 | Intelligent safety coupling and working method therefor |
| CN114962492A (en) * | 2022-06-02 | 2022-08-30 | 四川易尚天交实业有限公司 | Friction type soft starter with adjustable torque |
-
2010
- 2010-06-09 CN CN2010202299462U patent/CN201696514U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN102401016A (en) * | 2011-11-27 | 2012-04-04 | 襄阳博亚精工装备股份有限公司 | Combined coupling |
| CN102606635A (en) * | 2012-03-20 | 2012-07-25 | 中国重型机械研究院有限公司 | Axial buffering type intermediate shaft connecting coupler applicable to working conditions with high speed and heavy load |
| CN104196912A (en) * | 2013-12-27 | 2014-12-10 | 镇江恒宇传动机械有限责任公司 | Steel ball type force limiting safety coupling |
| CN104196912B (en) * | 2013-12-27 | 2016-09-28 | 镇江恒宇传动机械有限责任公司 | A kind of steel-ball type limiter safety coupling |
| CN107061531A (en) * | 2017-04-01 | 2017-08-18 | 郑州纺机工程技术有限公司 | A kind of metering pump transmission device suitable for chemical fiber machinery |
| CN106984995A (en) * | 2017-05-24 | 2017-07-28 | 东南大学 | Numerically-controlled slide machining overload protection device |
| CN106984995B (en) * | 2017-05-24 | 2019-04-30 | 东南大学 | Numerically-controlled slide machining overload protective device |
| WO2020063785A1 (en) * | 2018-09-28 | 2020-04-02 | 陈娟 | Intelligent safety coupling and working method therefor |
| CN110101551A (en) * | 2019-04-26 | 2019-08-09 | 广东博智林机器人有限公司 | A kind of skidding component |
| CN114962492A (en) * | 2022-06-02 | 2022-08-30 | 四川易尚天交实业有限公司 | Friction type soft starter with adjustable torque |
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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 |
Owner name: XIANGYANG BOYA PRECISION INDUSTRIAL EQUIPMENTS CO. Free format text: FORMER NAME: XIANGFAN BOYA MACHINERY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 8, 441003, Torch Hotel,, 15 Spring Garden Road, Xiangfan, Hubei Patentee after: Xiangyang Boya Precision Industrial Equipments Co.,Ltd. Address before: 8, 441003, Torch Hotel,, 15 Spring Garden Road, Xiangfan, Hubei Patentee before: Xiangfan Boya Machinery Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110105 Termination date: 20150609 |
|
| EXPY | Termination of patent right or utility model |