CN103979447B - Self-locking type hoisting device - Google Patents
Self-locking type hoisting device Download PDFInfo
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- CN103979447B CN103979447B CN201410196590.XA CN201410196590A CN103979447B CN 103979447 B CN103979447 B CN 103979447B CN 201410196590 A CN201410196590 A CN 201410196590A CN 103979447 B CN103979447 B CN 103979447B
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Abstract
The present invention discloses a kind of self-locking type hoisting device, includes the assembly pulley that is made up of fixed pulley and movable pulley and installs around the traction flexible cable on assembly pulley.Be provided with elevator drum and the brake wheel of synchronous axial system, the below of elevator drum and brake wheel is provided with larger rolling drum and the less rolling drum of synchronous axial system, traction flexible cable from fixed pulley free end out with multi-turn rolling downwards wherein a rolling drum again after elevator drum, if one rouses the hanging wheel between rolling drum at elevator, the follow-up pulley free end out of traction flexible cable upwards to walk around after hanging wheel downwards with the rolling on the contrary of other end rolling direction on another rolling is bulging, if one with multi-turn around the braking flexible cable on brake wheel, one end flexible fastening of braking flexible cable, the other end plays hanging wheel, if a stopper, this stopper stops that the Elastic Fixed Ends that hanging wheel moves down to keep braking flexible cable has suitable elastic pulling force.Structure of the present invention is simple, easy to operate.
Description
Technical field
The present invention relates to winch technical field, especially can realize the hoisting device of self-locking type braking.
Background technology
Traditional winch is normally made up of rolling drum, flexible cable and assembly pulley, drives the rotation of rolling drum to reel flexible cable by hand or motor, carrys out the movable pulley lifting of hauling block group thus realize the lifting of load by flexible cable.In order to the adjustable height of winch can be kept, the brake equipments such as ratchet, band-type brake or power-transfer clutch usually can be adopted to realize.Employing ratchet, although can self-locking be realized, need to unlock separately and could continue lifting, there is the problem of troublesome poeration; And adopt band-type brake or power-transfer clutch, not only complex structure, and self-locking can not be realized, self-locking and unlock all to need to operate separately and could continue to be elevated.Therefore, both structure is simple to be necessary research and development one, self-locking type hoisting device easy to operate again.
Summary of the invention
It is simple that the technical problem to be solved in the present invention is to provide a kind of structure, easy to operate self-locking type hoisting device.
The technical scheme that the present invention adopts for technical solution problem: a kind of self-locking type hoisting device, include the assembly pulley that is made up of fixed pulley and movable pulley and install around the traction flexible cable on assembly pulley, it is characterized in that: the elevator drum and the brake wheel that are provided with synchronous axial system, the below of elevator drum and brake wheel is provided with larger rolling drum and the less rolling drum of synchronous axial system, traction flexible cable from fixed pulley free end out with multi-turn rolling downwards wherein a rolling drum again after elevator drum, if one rouses the hanging wheel between rolling drum at elevator, the follow-up pulley free end out of traction flexible cable upwards to walk around after hanging wheel downwards with the rolling on the contrary of other end rolling direction on another rolling is bulging, if one with multi-turn around the braking flexible cable on brake wheel, one end flexible fastening of braking flexible cable, the other end plays hanging wheel, if a stopper, this stopper stops that the Elastic Fixed Ends that hanging wheel moves down to keep braking flexible cable has suitable elastic pulling force.
On the basis of the above, the direction providing the direction of the elastic pulling force of the Elastic Fixed Ends of described braking flexible cable and brake wheel to do to promote when rotating is contrary, and what provide described elastic pulling force is Compress Spring; Described elevator drum and brake wheel are set as coaxially one-body molded, and described larger rolling drum and less rolling drum are also set as coaxially one-body molded; Described hanging wheel is arranged on one and is hinged in the swing arm of bearing with swinging up and down, and described stopper is fixed on the downside of swing arm.
Adopt the beneficial effect that the present invention brings: the present invention adopts elevator drum to carry out elevator traction flexible cable, for traction flexible cable provides tractive force, be provided with the brake wheel with elevator drum synchronous axial system simultaneously, winding braking flexible cable on brake wheel, utilize the friction force hugging generation of braking flexible cable to pin the rotation of elevator drum, and the power being used for straining braking flexible cable comes from the deadweight of load, load power of more remaking is larger, makes hoisting device of the present invention have auto-lock function.When rotating elevator drum, brake wheel followed by synchronous axial system, while brake wheel rotates, can pull the Elastic Fixed Ends of braking flexible cable, thus unclamp hugging brake wheel, makes to rotate elevator drum easily and carrys out jacking load.
Accompanying drawing explanation
Fig. 1 is the structural representation that the present invention protects self-locking type hoisting device.
Detailed description of the invention
As shown in Figure 1, a kind of self-locking type hoisting device, include the assembly pulley that is made up of fixed pulley 1 and movable pulley 2 and install around the traction flexible cable 3 on assembly pulley, assembly pulley adopts conventional being made up of, to reach labor-saving effect multiple fixed pulley 1 and multiple movable pulley 2.Be provided with elevator drum 4 and the brake wheel 5 of synchronous axial system, elevator drum 4 and the synchronous axial system of brake wheel 5 can adopt gear or other positive drive mechanism to be connected, and as preferably scheme, elevator drum 4 and brake wheel 5 are set as coaxially one-body molded by the present invention.The below of elevator drum 4 and brake wheel 5 is provided with the larger rolling drum 6 of synchronous axial system and less rolling drum 7, larger rolling drum 6 and the synchronous axial system of less rolling drum 7 also can adopt gear or other positive drive mechanism to be connected, as preferably scheme, larger rolling drum 6 and less rolling drum 7 are set as coaxially one-body molded by the present invention equally.Traction flexible cable 3 from fixed pulley 1 free end 3.1 out with multi-turn rolling downwards wherein a rolling drum 6,7 again after elevator drum 4.If a hanging wheel 8 between elevator drum 4 and rolling drum 6,7, follow-up pulley 2 free end 3.2 out of traction flexible cable 3 upwards to walk around after hanging wheel 8 downwards and the rolling on the contrary of the other end 3.1 rolling direction on another rolling drum 6,7.If one with multi-turn around the braking flexible cable 9 on brake wheel 5, one end flexible fastening of braking flexible cable 9, the other end plays hanging wheel 8.If a stopper 10, this stopper 10 stops that the Elastic Fixed Ends that hanging wheel 8 moves down to keep braking flexible cable 9 has suitable elastic pulling force.
Load 11 is played by movable pulley 2, traction flexible cable 3 is utilized to be wound on the friction force that elevator drum 4 produces, both direction is rotated elevator drum 4 and just can be pulled traction flexible cable 3 towards two different directions respectively, is promoted or the movable pulley 2 that declines by assembly pulley, thus lifting and decline load 11.The present invention creatively adopts larger rolling drum 6 and less rolling drum 7 to the two ends of difference rolling traction flexible cable 3, and rolling direction, two ends is contrary, can realize like this carrying out folding and unfolding respectively to the two ends of traction flexible cable 3 while larger rolling drum 6 and less rolling drum 7 synchronous axial system.Owing to drawing the two ends difference rolling of flexible cable 3 on larger rolling drum 6 and less rolling drum 7, the folding and unfolding speed of the less rolling drum 7 of the fast mistake of speed of larger rolling drum 6 folding and unfolding traction flexible cable 3, thus be hoisting movable pulley 2 during larger rolling drum 6 volume rope, put Suo Shiwei decline movable pulley 2.In the present invention, consider the use habit of people, larger rolling drum 6 is used for responsible folding and unfolding from fixed pulley 1 free end 3.1 out, and less rolling drum 7 is used for responsible folding and unfolding follow-up pulley 2 free end 3.2 out.Preferably, the radial design of larger rolling drum 6 is become the radius much larger than less rolling drum 7, and concrete, the radius of larger rolling drum 6 is 3 to 5 times of the radius of less rolling drum 7.
One end of braking flexible cable 9 is drawn by hanging wheel 8 by load 11, and the other end is drawn by flexible fastening, and it is wound on brake wheel 5.When external force rotation elevator drum 4 promotes or the load 11 that declines arrives desired height, stop external force, the deadweight of load 11 can strain braking flexible cable 9, braking flexible cable 9 is made to hug brake wheel 5, produce the friction force that can enough stop brake wheel 5 to rotate therefrom, thus stop the elevator drum 4 linked with brake wheel 5 to rotate, to stop the decline of load 11, make hoisting device of the present invention have auto-lock function.Owing to being provided with the stopper 10 that can stop that hanging wheel 8 excessively moves down, to keep the Elastic Fixed Ends of braking flexible cable 9 to have suitable elastic pulling force, this elastic pulling force tension braking flexible cable 9, thus produce the friction force enough holding brake wheel 5 tightly.And when external force rotation winding drum 4 overcomes the friction force of braking flexible cable 9, winding drum 4 can be rotated, thus promote or decline load 11.Concrete, hanging wheel 8 can be arranged on one and be hinged on swinging up and down in the swing arm 13 of bearing 12, described stopper 10 is fixed on the downside of swing arm 13.
In order to make to operate self-locking type hoisting device when promoting, the dynamics of rotating elevator drum 4 is less, the coiling direction of braking flexible cable 9 can be set as the direction providing the direction of the elastic pulling force of the Elastic Fixed Ends of described braking flexible cable 9 and brake wheel 4 to do to promote when rotating contrary, like this, when doing to promote rotation with rotation elevator drum 4, braking flexible cable 9 can be pulled to overcome the elastic pulling force of traction braking flexible cable 9 Elastic Fixed Ends, unclamp hugging brake wheel 5, reduce the friction force of braking flexible cable 9 pairs of elevator drums 4, thus reduce the dynamics of rotating elevator drum 4.In the present embodiment, the flexible fastening of braking flexible cable 9 is set to: establish a fixing block seat 14, the braking flexible cable 9 between block seat 14 and the Elastic Fixed Ends of braking flexible cable 9 is set with Compress Spring 15, certainly, also can adopts the flexible fastening mode of other routine.
Claims (6)
1. a self-locking type hoisting device, include the assembly pulley that is made up of fixed pulley and movable pulley and install around the traction flexible cable on assembly pulley, it is characterized in that: the elevator drum and the brake wheel that are provided with synchronous axial system, the below of elevator drum and brake wheel is provided with larger rolling drum and the less rolling drum of synchronous axial system, traction flexible cable from fixed pulley free end out with multi-turn rolling downwards wherein a rolling drum again after elevator drum, if one rouses the hanging wheel between rolling drum at elevator, the follow-up pulley free end out of traction flexible cable upwards to walk around after hanging wheel downwards with the rolling on the contrary of other end rolling direction on another rolling is bulging, if one with multi-turn around the braking flexible cable on brake wheel, one end flexible fastening of braking flexible cable, the other end plays hanging wheel, if a stopper, this stopper stops that the Elastic Fixed Ends that hanging wheel moves down to keep braking flexible cable has suitable elastic pulling force.
2. self-locking type hoisting device according to claim 1, is characterized in that: the direction providing the direction of the elastic pulling force of the Elastic Fixed Ends of described braking flexible cable and brake wheel to do to promote when rotating is contrary.
3. self-locking type hoisting device according to claim 2, is characterized in that: what provide described elastic pulling force is Compress Spring.
4. self-locking type hoisting device according to claim 1, is characterized in that: described elevator drum and brake wheel are set as coaxially one-body molded.
5. self-locking type hoisting device according to claim 1, is characterized in that: described larger rolling drum and less rolling drum are set as coaxially one-body molded.
6. self-locking type hoisting device according to claim 1, is characterized in that: described hanging wheel is arranged on one and is hinged in the swing arm of bearing with swinging up and down, and described stopper is fixed on the downside of swing arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410196590.XA CN103979447B (en) | 2014-05-10 | 2014-05-10 | Self-locking type hoisting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410196590.XA CN103979447B (en) | 2014-05-10 | 2014-05-10 | Self-locking type hoisting device |
Publications (2)
| Publication Number | Publication Date |
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| CN103979447A CN103979447A (en) | 2014-08-13 |
| CN103979447B true CN103979447B (en) | 2016-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410196590.XA Active CN103979447B (en) | 2014-05-10 | 2014-05-10 | Self-locking type hoisting device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105417417A (en) * | 2015-12-16 | 2016-03-23 | 四川电力建设三公司 | Winch lifting system of die lifting device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001029366A1 (en) * | 1999-10-19 | 2001-04-26 | Roodenburg, Joop | Hoisting mechanism, with compensator installed in a hoisting cable system |
| CN201473250U (en) * | 2009-06-15 | 2010-05-19 | 周韧 | Full-automatic lifting device safe protection device |
| CN203820347U (en) * | 2014-05-10 | 2014-09-10 | 刘铁儿 | Self-locking type winding and lifting device |
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- 2014-05-10 CN CN201410196590.XA patent/CN103979447B/en active Active
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| CN103979447A (en) | 2014-08-13 |
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