CN105299110A - Power-on de-braking load-limiting coupler - Google Patents
Power-on de-braking load-limiting coupler Download PDFInfo
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- CN105299110A CN105299110A CN201410286525.6A CN201410286525A CN105299110A CN 105299110 A CN105299110 A CN 105299110A CN 201410286525 A CN201410286525 A CN 201410286525A CN 105299110 A CN105299110 A CN 105299110A
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- brake
- spring
- coupler
- braking
- load
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Abstract
The invention relates to the technical field of power-on de-braking load-limiting couplers, in particular to a power-on de-braking load-limiting coupler. According to the structure, after a power source is input from a driving coupler, an electromagnet is powered on, a spring seat is attracted through the electromagnet, and a brake spring is further compressed so that a plane bearing, an inner spiral brake disc and the spring seat can be attached together and braking can be released. When a machine is overloaded, a spiral toothed face of the driving coupler is meshed with a spiral toothed face of a driven coupler, axial displacement is generated, the brake spring is further compressed till the spiral toothed face of the driving coupler is completely disengaged from the spiral toothed face of the driven coupler, and the load-limiting coupler is in a sliding state to achieve the load-limiting effect. During a halt, the brake spring pushes the spring seat, the plane bearing, the inner spiral brake disc and a brake plate support to generate friction, meanwhile the brake plate support rubs with the driven coupler and the inner spiral brake disc, and the braking purpose is achieved.
Description
Technical field
The present invention relates to energising and separate load-limiting coupler processed.
Background technique
Existing braking load-limiting coupler has the function of coupling, load limiter and break; the driven off by shaft effect of connection can be reached; machine can protect machine when overloading; also can brake because of the stopping of machine at once; during in load, little and lifting mechanism is applied; braking can not be removed, and can cause the heating of braking load-limiting coupler entirety, therefore existing braking load-limiting coupler application area is very restricted.
Summary of the invention
Object of the present invention: the energising solution load-limiting coupler designing a kind of existing shaft coupling, limit for tonnage and braking function, and have or non-loaded and lifting mechanism application in, braking can be removed, and makes up the deficiency of existing braking load-limiting coupler.
The technical solution adopted for the present invention to solve the technical problems is:
Brake spring, electromagnet and spring seat coaxial inner conductor are installed, brake spring is directly pressed on spring seat, electromagnet sleeve is on the outer ring of brake spring, electromagnet installation adjacent with spring seat, and the end face air gap 1 to 1.5 millimeter apart that electromagnet is adjacent with spring seat, brake spring is stuck on large support, can move vertically to upper end cap direction.
Power source is after the input of active coupling, and electromagnet starts energising, the suction that electromagnet produces, and makes electromagnet by spring seat being pulled together tightly, further compression brake spring.Due to the reason of the rotary inertia of positive and negative internal and external screw cover and internal spiral brake disc self, the raw moment of momentum of necessity real estate, the moment of momentum adds that the braking moment of braking state is impelled positive and negative internal and external screw to overlap initiatively coupling relative to internal spiral brake disc and produced angular displacement along positive and negative multi-thread rectangular coil, produce certain axial force, and no matter sense of rotation, internal spiral brake disc is main to generation axial displacement to power input shaft all vertically, plane bearing, internal spiral brake disc and spring seat are fit together closely, realizes the object of brake off.
Initiatively coupling and driven coupling connect owing to adopting helical tooth flank engagement, when machine transships, initiatively coupling and the engagement of driven coupling helical tooth flank, axial force is produced after engagement, when the axial pressure of axial force beyond brake spring produced, initiatively coupling moves to flank of tooth rear vertically, initiatively coupling must promote plane bearing in the axial direction, internal spiral brake disc, spring seat and electromagnet, produce axial displacement, further compression brake spring, equilibrium of forces is pushed away with brake spring in order to reach, until initiatively the helical tooth flank of coupling and the helical tooth flank of driven coupling are thrown off completely, no longer transmission, be in the state of skidding, serve the effect of limit for tonnage protection working machine.
During shutdown; initiatively coupling runs out of steam; the energy stored when brake spring is compressed discharges immediately; while the brake spring, plane bearing, internal spiral brake disc and the brake shoe carrier that promote spring seat pressurizes produce friction; brake shoe carrier and driven coupling internal spiral brake disc produce and rub, and achieve braking.
The invention has the beneficial effects as follows not only possess the function of coupling, there is again the function of break and load limiter simultaneously, serve when shutdown is braked immediately and transships and protect working machine effect, very little of in load in the application of lifting mechanism, relieve braking completely.
Below in conjunction with Figure of description, the present invention is described in detail.
Accompanying drawing explanation.
Accompanying drawing 1: the braking load-limiting coupler overall structure figure of band forward-reverse spiral cover.
Accompanying drawing 2: positive and negative internal and external screw cover shape assumption diagram.
Accompanying drawing 3: internal spiral brake disc shape assumption diagram.
Accompanying drawing 4: driven coupling shape assumption diagram.
Accompanying drawing 5: initiatively coupling shape assumption diagram.
In accompanying drawing: 1-upper end cap, 2-sliding bearing sleeve, 3-bolt A, 4-spring washer A, 5-upper spring seat, 6-brake spring, 7-Returnning spring, 8-electromagnet, 9-spring seat, 10-plane bearing, 11-internal spiral brake disc, 12-large support, 13-driven coupling plane bearing, 14-rolling bearing, 15-shaft block ring, 16-driven coupling, 17-bolt B, 18-spring washer B, 19-lower end cap, 20-braking plate, 21-brake shoe carrier, 22-positive and negative internal and external screw cover, 23-initiatively coupling.
Embodiment
Shown in Figure of description 1: driven coupling 16 is fixed on lower end cap 19 by driven coupling plane bearing 13, rolling bearing 14 and shaft block ring 15.
Shown in Figure of description 1: braking plate 20 adopts the mode of glueing joint to be glued to two end faces of brake shoe carrier 21.
Shown in Figure of description 1: internal spiral brake disc 11, plane bearing 10, lower spring cup fixed plate 9, lower spring cup 8, brake spring 7, upper spring seat 6 and upper spring seat positioning plate 5 are connected in series along shaft axis.
Shown in Figure of description 1: sliding bearing sleeve 2 interference fit is arranged on upper end cap 1.
Shown in Figure of description 1: upper end cap 1 is fixed on large support 12 by multiple bolt A3 and spring washer A4.
Shown in Figure of description 1: lower end cap 19 is fixed on large support 12 by multiple bolt B 17 and spring pad B18.
Shown in Figure of description 1: internal spiral brake disc 11 and driven coupling 16 go plate rack 21 to be clipped in the middle the braking plate 20 gluedd joint and system.
Shown in Figure of description 2: positive and negative internal and external screw has put a ring-shaped step.
Shown in Figure of description 3: internal spiral brake disc 11 has a seam.
Shown in Figure of description 4: driven coupling 16 is monodentate helicoid coupling.
Shown in Figure of description 5: initiatively coupling 23 is monodentate helicoid coupling.
The working procedure of load-limiting coupler processed is separated in energising: after power source inputs from active coupling 23, electromagnet 8 starts energising, the suction of electromagnet 8 generation, make electromagnet 8 by spring seat 9 tightly be pulled together, further compression brake spring 6.Due to the reason of the rotary inertia of positive and negative internal and external screw cover 22 and internal spiral brake disc 11 self; the raw moment of momentum of necessity real estate; the moment of momentum adds that the braking moment of braking state is impelled positive and negative internal and external screw to overlap 22 initiatively coupling 23 relative to internal spiral brake disc 11 and produced angular displacement along positive and negative multi-thread rectangular coil; produce certain axial force; and no matter sense of rotation; internal spiral brake disc 11 is main to generation axial displacement to power input shaft all vertically; plane bearing 10, internal spiral brake disc 11 and spring seat 9 are fit together closely, realizes the object of brake off; Initiatively coupling 23 input torque is stable or after continuing to strengthen, initiatively coupling 23 and the engagement of driven coupling 16 helical tooth flank, produce axial displacement compression brake spring 7 reach the balance with spring pressure to reach initiatively coupling 23, at this moment initiatively coupling 23 drives internal spiral brake disc 11, plane bearing 10 and lower spring cup fixed plate 9 and lower spring cup 8 to move further compression brake spring 7 vertically, lay down the braking force adding and be pressed on braking plate 20 simultaneously, brake off, play effect of coupling, carry out transmission; When working machine transships, initiatively on coupling 23, axial force in the axial direction also increases thereupon, initiatively coupling 23 must promote plane bearing 10, internal spiral brake disc 11, spring seat 9 and electromagnet 8 in the axial direction, produce axial displacement, further compression brake spring 6, equilibrium of forces is pushed away with brake spring 6 in order to reach, until initiatively the helical tooth flank of coupling 23 and the helical tooth flank of driven coupling 16 are thrown off completely, now coupling is in the state of skidding, no longer transmission, protect machine, achieve limit for tonnage protection; Power source removes; torque disappears; state before the pressure of the brake spring 6 be axially subject at active coupling 23 also resets into shutdown thereupon; the energy that now brake spring 6 is saved discharges immediately; promote initiatively coupling 23 to move axially to driven coupling 16; motor magnet 8, spring seat 9, plane bearing 10 and internal spiral brake disc 11 is with synchronously to move axially successively; the brake disc of internal spiral brake disc 11 and driven coupling 16 is combined with braking plate 20 respectively; produce friction; form the braking moment increased, realize braking.
It is reasonable in design that load-limiting coupler processed is separated in energising, and compact structure is reliably sensitive, can be widely used in multiclass mechanical transmission coupling.
Claims (1)
1.
a kind ofload-limiting coupler processed is separated in energising, it is characterized in that: brake spring (6), electromagnet (8) and spring seat (9) coaxial inner conductor are installed, brake spring (6) is directly pressed on spring seat (9), electromagnet (8) is enclosed within the outer ring of brake spring (6), electromagnet (8) and spring seat (9) adjacent installation, and the end face air gap 1 to 1.5 millimeter apart that electromagnet (8) is adjacent with spring seat (9), brake spring (6) is stuck on large support (12), can move vertically to upper end cap (1) direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410286525.6A CN105299110A (en) | 2014-06-25 | 2014-06-25 | Power-on de-braking load-limiting coupler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410286525.6A CN105299110A (en) | 2014-06-25 | 2014-06-25 | Power-on de-braking load-limiting coupler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105299110A true CN105299110A (en) | 2016-02-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410286525.6A Pending CN105299110A (en) | 2014-06-25 | 2014-06-25 | Power-on de-braking load-limiting coupler |
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| Country | Link |
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| CN (1) | CN105299110A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106004818A (en) * | 2016-05-30 | 2016-10-12 | 魏伯卿 | Auxiliary emergency braking device |
| CN111994815A (en) * | 2020-08-26 | 2020-11-27 | 齐嘉蕾 | Safety building hoisting accessory |
Citations (8)
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|---|---|---|---|---|
| CN201050558Y (en) * | 2006-12-05 | 2008-04-23 | 湖北省咸宁三合机电制业有限责任公司 | Braking and load-limiting coupler |
| CN101813146A (en) * | 2009-02-20 | 2010-08-25 | 湖北省咸宁三合机电制业有限责任公司 | Coupling braking load limiter |
| CN202560899U (en) * | 2012-03-15 | 2012-11-28 | 湖北省咸宁三合机电制业有限责任公司 | Double tooth surface stressing type braking and load limiting coupler |
| CN202560898U (en) * | 2012-03-15 | 2012-11-28 | 湖北省咸宁三合机电制业有限责任公司 | Boosting type braking load-limiting coupling |
| CN202579768U (en) * | 2012-03-19 | 2012-12-05 | 湖北省咸宁三合机电制业有限责任公司 | Double-tooth-surface braking load limit coupler |
| CN103307156A (en) * | 2012-03-15 | 2013-09-18 | 湖北省咸宁三合机电制业有限责任公司 | Double-toothed-surface forced braking and load-limitation coupling |
| CN103842684A (en) * | 2011-10-07 | 2014-06-04 | 株式会社大崎电业社 | Electromagnetic brake |
| CN203948535U (en) * | 2014-06-25 | 2014-11-19 | 湖北省咸宁三合机电制业有限责任公司 | Load-limiting coupler processed is separated in energising |
-
2014
- 2014-06-25 CN CN201410286525.6A patent/CN105299110A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201050558Y (en) * | 2006-12-05 | 2008-04-23 | 湖北省咸宁三合机电制业有限责任公司 | Braking and load-limiting coupler |
| CN101813146A (en) * | 2009-02-20 | 2010-08-25 | 湖北省咸宁三合机电制业有限责任公司 | Coupling braking load limiter |
| CN103842684A (en) * | 2011-10-07 | 2014-06-04 | 株式会社大崎电业社 | Electromagnetic brake |
| CN202560899U (en) * | 2012-03-15 | 2012-11-28 | 湖北省咸宁三合机电制业有限责任公司 | Double tooth surface stressing type braking and load limiting coupler |
| CN202560898U (en) * | 2012-03-15 | 2012-11-28 | 湖北省咸宁三合机电制业有限责任公司 | Boosting type braking load-limiting coupling |
| CN103307156A (en) * | 2012-03-15 | 2013-09-18 | 湖北省咸宁三合机电制业有限责任公司 | Double-toothed-surface forced braking and load-limitation coupling |
| CN202579768U (en) * | 2012-03-19 | 2012-12-05 | 湖北省咸宁三合机电制业有限责任公司 | Double-tooth-surface braking load limit coupler |
| CN203948535U (en) * | 2014-06-25 | 2014-11-19 | 湖北省咸宁三合机电制业有限责任公司 | Load-limiting coupler processed is separated in energising |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106004818A (en) * | 2016-05-30 | 2016-10-12 | 魏伯卿 | Auxiliary emergency braking device |
| CN111994815A (en) * | 2020-08-26 | 2020-11-27 | 齐嘉蕾 | Safety building hoisting accessory |
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Application publication date: 20160203 |