CN1807220A - Eccentric type control device - Google Patents
Eccentric type control device Download PDFInfo
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- CN1807220A CN1807220A CN 200610005579 CN200610005579A CN1807220A CN 1807220 A CN1807220 A CN 1807220A CN 200610005579 CN200610005579 CN 200610005579 CN 200610005579 A CN200610005579 A CN 200610005579A CN 1807220 A CN1807220 A CN 1807220A
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- bearing
- spring
- eccentric
- control device
- eccentric shaft
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Abstract
The invention relates the eccentric type control device. The eccentric type control device has the advantages of simple structure, sensitive action, high safety and reliability and low cost. The device comprises armored rope, bed plate, eccentric shaft, bearing seat, pulley, bearing, swinging arm, support stand, spring, spring seat, displacement signal detector and adjusting bolt. The armored rope is looped around pulley, the bearing seat is installed on bed plate, the two ends of eccentric shaft is connected with bearing seat, the pulley is installed on eccentric shaft by bearing, one end of swinging arm is connected with eccentric shaft, the displacement signal detector and spring seat is installed on the other end of swinging arm, the other end of spring seat is installed on support stand, the bottom of support stand is fixed on bed plate, the displacement signal detector is connected with one end of adjusting bolt, and the other end of adjusting bolt is installed on upper support stand.
Description
Technical field
The present invention relates to a kind of control setup that is used for elevator, lifting and tractor equipment, especially relate to a kind of steel rope overload protection that adopts eccentric center principle to be used for equipment such as elevator, lifting and traction, weigh and show, the eccentric type control device of mechanism such as warning and signal control.
Background technology
Existing a lot of mechanical equipment all utilizes steel rope to drive; especially Chang Yong traditional elevator; elevator; crane machine; the gantry crane machine; equipment such as harbour and mine lifting or trailer-type machine nearly all adopt steel rope to drive; these liftings; tractor equipment all is provided with overload protection device usually; weighting apparatus; signal control device; alarm display device etc.; steel rope overload protection device for example; weighting apparatus at the bottom of the mechanical type sedan-chair; sedan-chair top and machine room machinery weighting apparatus; rubber block formula sedan-chair top weighting apparatus; load sensors weighting apparatus etc., the shortcoming of said apparatus is complex structure; action sensitivity is low; cost an arm and a leg etc.Granted publication number is that the utility model patent of CN2698763Y discloses a kind of tower crane elevating safety device, it comprises being provided with is convenient to the security tool steel rope that the operator moves to required vertical ladder of operator's compartment and operator, and tower crane top is provided with that the driving motor of rotating and the steel rope that has a capstan winch that links are therewith rolled parts arbitrarily in order to roll or to decontrol steel rope; Be trapezoidal, its two ends are provided with the fixedly steel rope of ball with institute's set a distance, and an end of steel rope is fixed for being involved in capstan winch, and the other end is that the institute's limiting-members that is connected in operator's health is provided with set collar; Be located at steel rope and roll the parts below, guide safety device and sensor that this steel rope lifting or control are decontroled suddenly.It brings the operator the psychological sense of security, and when falling accident takes place, can stop the steel wire rope and continue to decontrol, to guarantee operator's life security immediately by sensor running safety device.Granted publication number carries out the air control unit of automatic picking off and hanging for the utility model patent of CN2388406Y provides a kind of to the well testing truck winch clutch, and it is to set up the air control unit that a cover is made up of hand change over valve, shuttle valve, single-acting single piston rod cylinder, air operated reversing valve and electromagnetic pneumatic reversal valve in the steel rope load overload disposal system of existing steel rope well testing truck.When the application of this device can be avoided manual control winch drum brake system after steel rope overload since the accident that the existence of human element causes the control hysteresis steel rope to be broken take place.Notification number is made of cam, turning cylinder, clamping plate, back plate, bolt, pressing plate, position-limited lever, spring plate, push rod, positive stop hook and spring for the utility model patent of CN2082718U provides the direct drive steel rope lifting of a kind of employing hoisting crane unit clamp.These anchor clamps are applicable on the employed various types of steel ropes of various weight-lifting equipments that fag end does not need the knot cover, can save material, and can arbitrarily investigate the length of joint rope, thereby reduce labor intensity and increase work efficiency.
Summary of the invention
The objective of the invention is to, shortcoming such as cost an arm and a leg low, a kind of simple in structure, action sensitivity is high, safe reliability good, price is lower eccentric type control device is provided at existing complex structure, the action sensitivity that is used for existence such as overload protection device that equipment such as elevator, lifting and traction usually adopt, weighting apparatus, signal control device, alarm display device.
The present invention is provided with steel rope, base, eccentric shaft, eccentric shaft bearing seat, pulley, bearing, swing arm, bearing, spring, spring perch, displacement signal detector and regulates bolt.Steel wire loop is on pulley, the eccentric shaft bearing seat is installed on the base, eccentric shaft two termination eccentric shaft bearing seats, pulley by bearing installation on eccentric shaft, one termination eccentric shaft of swing arm, displacement signal detector and spring perch are located at the other end of swing arm, the other end of spring perch is located at the top of bearing, the spring housing that is used to control wire rope transfers moment is located at spring perch, the bottom of bearing is fixedly arranged on the base, the displacement signal detector is connected to an end of regulating bolt, and the other end of regulating bolt is installed in bearing top, regulates bolt with the contact distance of change displacement signal detector with bearing by adjusting.
Described base can be made as tabular pedestal, and bearing can be made as bearings such as angle bar shape, tabular, shaft-like or column.
Bearing can adopt general ball bearing, needle-type bearing or sleeve type bearing etc.
Spring perch can adopt bolt, and spring housing is located on the bolt.Spring perch also can adopt the spring fixed seat pad, the spring fixed seat pad by up and down or about fixedly seat cushion form, both ends of the spring be separately fixed at up and down or about fixedly on the seat cushion.
The displacement signal detector is chosen as travel switch commonly used, dynamo-electric sensing cutout relay or displacement pickup etc.
The present invention is adopt eccentric center principle a kind of steel rope overload protection of not having damage type and being used for equipment such as elevator, lifting and traction, weigh and show, the eccentric type control device of mechanisms such as warning and signal control.On structure design, with steel wire loop on pulley, under the pull of steel wire effect, because the effect of the eccentric throw (distance in pulley center and eccentric axle center) of eccentric shaft has produced heavy square, this heavy square makes swing arm press to spring, make eccentric shaft drive swing arm and the swing of displacement signal detector, regulate bolt and press to the contact or the probe of displacement signal detector, pull of steel wire makes the displacement signal detector be driven by swing arm and relatively moves, and produces corresponding signal and show on telltale.Report to the police during when load, when load reaches setting value, cut off the electricity supply the effect of playing overload protection and required control signal being provided near setting value.Obviously, though structure of the present invention is very simple, its action sensitivity height, safe reliability is good, and cost is low.The present invention is applicable to equipment such as various elevators, lifting and traction, the overload safety guard-safeguard of for example various elevators, elevator, hoisting crane, crane machine, gantry crane machine, traction machine etc., weigh and show, warning and signal control etc.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention 1.
Fig. 2 is the structural representation of the embodiment of the invention 2.
The specific embodiment
Following examples will the present invention is further illustrated in conjunction with the accompanying drawings.
Referring to Fig. 1; embodiment 1 provides a kind of centering type steel rope overload protection device, and this device is provided with steel rope 1, tabular pedestal 2, eccentric shaft bearing seat 3, eccentric shaft 4, pulley 5, bearing 13, swing arm 6, angle bar shape bearing 7, spring perch 8, spring 9, travel switch 10, regulates bolt 11 and outer cover 12.Steel rope 1 is enclosed within on the pulley 5, eccentric shaft bearing seat 3 is installed on the base 2,4 liang of termination eccentric shaft bearings of eccentric shaft seat 3, pulley 5 is installed on the eccentric shaft 4 by needle-type bearing 13, one termination eccentric shaft 4 of swing arm 6, the displacement signal detector adopts travel switch 10, travel switch 10 and spring perch 8 are located at the other end of swing arm 6, the other end of spring perch 8 passes the top of bearing 7, spring 9 is set in the middle part of spring perch 8, be used to control steel rope 1 carry-over moment, the bottom of bearing 7 is fixedly arranged on the base 2, and travel switch 10 is connected to an end of regulating bolt 11, and the other end of regulating bolt 11 is installed in the top of bearing 7, regulate bolt 11 with the contact distance of change travel switch 10 with bearing 7 by adjusting, outer cover 12 covers on the base 2.Travel switch can adopt the commercially available prod, also can make as required.
The bearing of embodiment 1 adopts the needle-type bearing, and spring perch adopts bolt.
In Fig. 1, steel rope 1 is enclosed within on the pulley 5, under the tension of steel rope 1, because the effect of the eccentric distance e (distance in pulley center and eccentric axle center) of eccentric shaft 4 has produced heavy square, this heavy square makes swing arm press to spring, make eccentric shaft drive swing arm and travel switch swing, regulate bolt and press to travel switch, pull of steel wire makes travel switch be driven by swing arm and relatively moves, and produces corresponding signal and show on telltale.Report to the police during when load, when load reaches setting value, cut off the electricity supply, play the effect of overload protection near setting value.
Referring to Fig. 2, similar to Example 1, its difference is that embodiment 1 is vertical structure, and embodiment 2 adopts horizontal type structure.The parts or the accessory of the mark representative in Fig. 2 are identical with Fig. 1.
Referring to Fig. 1, similar to Example 1, its difference is that travel switch 10 adopts dynamo-electric sensing cutout relay, dynamo-electric sensing cutout relay and bolt 8 are located at the other end of swing arm 6, dynamo-electric sensing cutout relay is connected to an end of regulating bolt 11, the other end of regulating bolt 11 is installed in the top of bearing 7, regulates bolt 11 to change the distance that contacts of dynamo-electric sensing cutout relay and bearing 7 by adjusting.The detection signal of dynamo-electric sensing cutout relay output can be external to other control systems or equipment as a kind of control signal.Dynamo-electric sensing cutout relay can adopt the commercially available prod, also can make as required.
Referring to Fig. 1, similar to Example 1, its difference is that travel switch 10 adopts displacement pickup, displacement pickup and bolt 8 are located at the other end of swing arm 6, displacement pickup is connected to an end of regulating bolt 11, the other end of regulating bolt 11 is installed in the top of bearing 7, regulates bolt 11 with the contact distance of change displacement pickup with bearing 7 by adjusting.The control circuit of the external displacement signal detector of electric signal of displacement pickup output also produces corresponding signal and shows at telltale.Displacement pickup can adopt the commercially available prod, also can make as required.
Similar to Example 1, its difference is that embodiment 5 is as a kind of centering type steel-cable controller, the bearing of this device adopts ball bearing, spring perch adopts fixedly cushion of spring, spring fixedly cushion by up and down or about fixedly cushion form, both ends of the spring be separately fixed at up and down or about fixedly on the cushion.Bearing adopts shaft-like bearing.
In this device, with steel wire loop on pulley, under the pull of steel wire effect, because the effect of the eccentric throw (distance in pulley center and eccentric axle center) of eccentric shaft has produced heavy square, this heavy square makes swing arm press to spring, make eccentric shaft drive swing arm and travel switch swing, regulate bolt and press to travel switch, pull of steel wire makes travel switch be driven by swing arm and relatively moves, and produces corresponding signal and show on telltale.Report to the police during when load, when load reaches setting value, cut off the electricity supply, play the effect of overload protection near setting value.
Similar to Example 5, its difference is that bearing adopts the sleeve type bearing, and bearing adopts tabular bearing.
Claims (8)
1, eccentric type control device, it is characterized in that being provided with steel rope, base, eccentric shaft, the eccentric shaft bearing seat, pulley, bearing, swing arm, bearing, spring, spring perch, displacement signal detector and adjusting bolt, steel wire loop is on pulley, the eccentric shaft bearing seat is installed on the base, eccentric shaft two termination eccentric shaft bearing seats, pulley by bearing installation on eccentric shaft, one termination eccentric shaft of swing arm, displacement signal detector and spring perch are located at the other end of swing arm, the other end of spring perch is located at the top of bearing, the spring housing that is used to control wire rope transfers moment is located at spring perch, the bottom of bearing is fixedly arranged on the base, the displacement signal detector is connected to an end of regulating bolt, and the other end of regulating bolt is installed in bearing top, regulates bolt with the contact distance of change displacement signal detector with bearing by adjusting.
2, eccentric type control device as claimed in claim 1 is characterized in that described base is made as tabular pedestal.
3, eccentric type control device as claimed in claim 1 is characterized in that described bearing is made as angle bar shape bearing, tabular bearing, shaft-like bearing or column bearing.
4, eccentric type control device as claimed in claim 1 is characterized in that described bearing is ball bearing, needle-type bearing or sleeve type bearing.
5, eccentric type control device as claimed in claim 1 is characterized in that described spring perch is a bolt, and spring housing is located on the bolt.
6, eccentric type control device as claimed in claim 1 is characterized in that described spring perch is a fixedly cushion of spring, and spring fixedly cushion is provided with up and down fixedly cushion, and both ends of the spring is separately fixed at up and down fixedly on the cushion.
7, eccentric type control device as claimed in claim 1 is characterized in that described spring perch is a fixedly cushion of spring, and spring fixing cushion about fixedly cushion is provided with is about both ends of the spring is separately fixed at fixedly on the cushion.
8, eccentric type control device as claimed in claim 1 is characterized in that described displacement signal detector is travel switch, dynamo-electric sensing cutout relay or displacement pickup.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610005579 CN1807220A (en) | 2006-01-11 | 2006-01-11 | Eccentric type control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610005579 CN1807220A (en) | 2006-01-11 | 2006-01-11 | Eccentric type control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1807220A true CN1807220A (en) | 2006-07-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610005579 Pending CN1807220A (en) | 2006-01-11 | 2006-01-11 | Eccentric type control device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102936959A (en) * | 2012-11-28 | 2013-02-20 | 无锡威华电焊机制造有限公司 | Device for adjusting section distance of steel bar truss |
| CN103274302A (en) * | 2013-04-27 | 2013-09-04 | 江苏工力重机有限公司 | Mounting structure of overload limiter of ship unloader |
| CN105167709A (en) * | 2015-10-08 | 2015-12-23 | 平湖普英特高层设备有限公司 | Suspended type weighing device |
| CN109506821A (en) * | 2018-12-29 | 2019-03-22 | 中航电测仪器股份有限公司 | A kind of movable pulley dynamometer and application method |
| CN110534362A (en) * | 2019-09-26 | 2019-12-03 | 乐清市星博电器有限公司 | A kind of adjustable rocker-arm travel switch |
-
2006
- 2006-01-11 CN CN 200610005579 patent/CN1807220A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102936959A (en) * | 2012-11-28 | 2013-02-20 | 无锡威华电焊机制造有限公司 | Device for adjusting section distance of steel bar truss |
| CN103274302A (en) * | 2013-04-27 | 2013-09-04 | 江苏工力重机有限公司 | Mounting structure of overload limiter of ship unloader |
| CN103274302B (en) * | 2013-04-27 | 2015-04-29 | 江苏工力重机有限公司 | Mounting structure of overload limiter of ship unloader |
| CN105167709A (en) * | 2015-10-08 | 2015-12-23 | 平湖普英特高层设备有限公司 | Suspended type weighing device |
| CN109506821A (en) * | 2018-12-29 | 2019-03-22 | 中航电测仪器股份有限公司 | A kind of movable pulley dynamometer and application method |
| CN110534362A (en) * | 2019-09-26 | 2019-12-03 | 乐清市星博电器有限公司 | A kind of adjustable rocker-arm travel switch |
| CN110534362B (en) * | 2019-09-26 | 2021-05-04 | 浙江星博电器有限公司 | Adjustable rocker arm type travel switch |
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