CN203820347U - Self-locking type winding and lifting device - Google Patents

Self-locking type winding and lifting device Download PDF

Info

Publication number
CN203820347U
CN203820347U CN201420238734.9U CN201420238734U CN203820347U CN 203820347 U CN203820347 U CN 203820347U CN 201420238734 U CN201420238734 U CN 201420238734U CN 203820347 U CN203820347 U CN 203820347U
Authority
CN
China
Prior art keywords
drum
flexible cable
rolling
self
pulley
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.)
Withdrawn - After Issue
Application number
CN201420238734.9U
Other languages
Chinese (zh)
Inventor
刘铁儿
Original Assignee
刘铁儿
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 刘铁儿 filed Critical 刘铁儿
Priority to CN201420238734.9U priority Critical patent/CN203820347U/en
Application granted granted Critical
Publication of CN203820347U publication Critical patent/CN203820347U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a self-locking type winding and lifting device. The self-locking type winding and lifting device comprises a pulley set which is composed of a fixed pulley and a movable pulley and a traction flexible cable which is wound on the pulley set. A winding drum and a brake drum which rotate synchronously are arranged, and a large rolling-up drum and a small rolling-up drum which rotate synchronously are arranged below the winding drum and the brake drum. The free end, coming out from the fixed pulley, of the traction flexible cable is wound on the winding drum by multiple circles and then moves downwards to be rolled-up on one rolling-up drum, and a lifting wheel between the winding drum and the corresponding rolling-up drum is arranged. The free end, coming out from the movable pulley, of the traction flexible cable moves upwards to bypass the lifting wheel and then moves downwards to be rolled-up on the other rolling-up drum in the rolling-up direction opposite to the rolling-up direction of the other end, and a brake flexible cable which is wound on the brake drum by multiple circles is arranged. One end of the brake flexible cable is elastically fixed, and the other end of the brake flexible cable is provided with the lifting wheel in a lifting mode. A blocking part is arranged, the blocking part prevents the lifting wheel from moving downwards to keep the elastic fixed end of the brake flexible cable to have appropriate elastic tensile force. The self-locking type winding and lifting device is simple in structure and convenient to operate.

Description

Self-locking type hoisting device
Technical field
The utility model 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, can drive the rotation of the rolling drum flexible cable of reeling by hand or motor, thereby realizes the lifting of load by the movable pulley lifting that flexible cable is carried out hauling block group.In order to keep the adjustable height of winch, conventionally can adopt the brake equipments such as ratchet, band-type brake or power-transfer clutch to realize.Employing ratchet, although can realize self-locking, need release separately could continue lifting, there is the problem of troublesome poeration; And employing band-type brake or power-transfer clutch, not only complex structure, and can not realize self-locking, self-locking and release all need to operate separately and could continue lifting.Therefore, be necessary to research and develop one both simple in structure, again easy to operate self-locking type hoisting device.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of self-locking type hoisting device simple in structure, easy to operate.
The technical scheme that the utility model adopts for technical solution problem: a kind of self-locking type hoisting device, include the assembly pulley being formed by 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 rotation, the below of elevator drum and brake wheel is provided with the larger rolling drum of synchronous rotation and less rolling drum, traction flexible cable from fixed pulley free end out with multi-turn around rolling downwards therein on a rolling drum again elevator drum, if one rouses the hanging wheel between rolling drum at elevator, the free end out of follow-up pulley of traction flexible cable is upwards walked around after hanging wheel downwards with the ground rolling of other end rolling opposite 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 hanging wheel that plays, an if stopper, this stopper stops that hanging wheel moves down to keep the Elastic Fixed Ends of braking flexible cable to have suitable elastic pulling force.
On the basis of the above, provide direction and the brake wheel of the elastic pulling force of the Elastic Fixed Ends of described braking flexible cable to do to promote the opposite direction while rotation, what described elastic pulling force was provided 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 swings up and down in the swing arm that is hinged on bearing, and described stopper is fixed on the downside of swing arm.
The beneficial effect that adopts the utility model to bring: the utility model adopts elevator drum to carry out elevator traction flexible cable, for traction flexible cable provides tractive force, be provided with and the bulging brake wheel rotating of synchronizeing of elevator simultaneously, on brake wheel, reel and brake flexible cable, the rotation that utilizes the friction force that hugs generation of braking flexible cable to pin elevator drum, come from the deadweight of load and be used for the power of tension braking flexible cable, the load power of more remaking is larger, makes the utility model hoisting device have auto-lock function.Rotate elevator when drum, brake wheel is being followed synchronous rotation, when brake wheel rotates, can pull the Elastic Fixed Ends of braking flexible cable, thereby unclamps the hugging of brake wheel, and makes to rotate easily elevator drum and carrys out lifting load.
Brief description of the drawings
Fig. 1 is the structural representation that the utility model 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 being 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 multiple fixed pulleys 1 and multiple movable pulley 2, to reach labor-saving effect.Be provided with elevator drum 4 and the brake wheel 5 of synchronous rotation, the synchronous rotation of elevator drum 4 and brake wheel 5 can adopt gear or other positive drive mechanism to be connected, and as scheme preferably, the utility model is set as coaxially one-body molded by elevator drum 4 and brake wheel 5.The below of elevator drum 4 and brake wheel 5 is provided with the larger rolling drum 6 of synchronous rotation and less rolling drum 7, the synchronous rotation of larger rolling drum 6 and less rolling drum 7 also can adopt gear or other positive drive mechanism to be connected, as scheme preferably, the utility model will larger rolling drum 6 and less rolling drum 7 be set as equally coaxially one-body molded.Traction flexible cable 3 from fixed pulley 1 free end 3.1 out with multi-turn around rolling downwards therein on a rolling drum 6,7 again elevator drum 4.If a hanging wheel 8 between elevator drum 4 and rolling drum 6,7, the follow-up pulley 2 of traction flexible cable 3 free end 3.2 out upwards walk around after hanging wheel 8 downwards with the other end 3.1 rolling opposite directions rollings 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 hanging wheel 8 that plays.If a stopper 10, this stopper 10 stops that hanging wheel 8 moves down to keep the Elastic Fixed Ends of braking flexible cable 9 to have suitable elastic pulling force.
Load 11 is played by movable pulley 2, utilize traction flexible cable 3 to be wound on the friction force producing on elevator drum 4, both direction rotates elevator drum 4 and just can pull traction flexible cable 3 towards two different directions respectively, promotes or the movable pulley 2 that declines, thereby promote and decline load 11 by assembly pulley.The utility model creatively adopts larger rolling drum 6 and less rolling drum 7 to distinguish the two ends of rolling traction flexible cable 3, and two ends rolling opposite direction, can realize like this in larger rolling drum 6 and the synchronous rotation of less rolling drum 7 folding and unfolding is carried out respectively in the two ends of traction flexible cable 3.Because the two ends difference rolling of drawing flexible cable 3 is 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 cables 3, thereby be hoisting movable pulley 2 when larger rolling drum 6 volume rope, put Suo Shiwei decline movable pulley 2.In the utility model, consider people's use habit, larger rolling drum 6 is used for being responsible for folding and unfolding from fixed pulley 1 free end 3.1 out, and less rolling drum 7 is used for being responsible for folding and unfolding follow-up pulley 2 free end 3.2 out.Preferably, the radial design of larger rolling drum 6 is become to the radius much larger than less rolling drum 7, concrete, the radius of larger rolling drum 6 is 3 to 5 times of radius of less rolling drum 7.
One end of braking flexible cable 9 is being drawn by hanging wheel 8 by load 11, and the other end is being drawn by flexible fastening, and it is wound on brake wheel 5.In the time that external force rotates that elevator drum 4 promotes or the load 11 that declines arrives desired height, stop external force, the deadweight of load 11 can be strained braking flexible cable 9, make to brake flexible cable 9 and hug brake wheel 5, produce therefrom the friction force that can enough stop brake wheel 5 to rotate, thereby stop the elevator drum 4 linking with brake wheel 5 to rotate, to stop the decline of load 11, make the utility model hoisting device there is 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 there is suitable elastic pulling force, this elastic pulling force tension braking flexible cable 9, thus produce the friction force of enough holding brake wheel 5 tightly.And in the time that external force rotation winding drum 4 overcomes the friction force of braking flexible cable 9, can rotate winding drum 4, thereby promote or decline load 11.Concrete, hanging wheel 8 can be arranged on to one and swing up and down in the swing arm 13 that is hinged on bearing 12, described stopper 10 is fixed on the downside of swing arm 13.
In order to make at operation self-locking type hoisting device in the time promoting, the dynamics of rotating elevator drum 4 is less, direction and the brake wheel 4 that the coiling direction of braking flexible cable 9 can be set as to the elastic pulling force of the Elastic Fixed Ends that described braking flexible cable 9 is provided make to promote the opposite direction while rotation, like this, in the time doing to promote rotation with rotation elevator drum 4, can pull braking flexible cable 9 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 to elevator drum 4, thereby reduce the dynamics of rotating elevator drum 4.In the present embodiment, the flexible fastening of braking flexible cable 9 is made as: establish a fixing block seat 14, in the braking flexible cable 9 between block seat 14 and the Elastic Fixed Ends of braking flexible cable 9, be set with Compress Spring 15, certainly, also can adopt other conventional flexible fastening mode.

Claims (6)

1. a self-locking type hoisting device, include the assembly pulley being formed by 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 rotation, the below of elevator drum and brake wheel is provided with the larger rolling drum of synchronous rotation and less rolling drum, traction flexible cable from fixed pulley free end out with multi-turn around rolling downwards therein on a rolling drum again elevator drum, if one rouses the hanging wheel between rolling drum at elevator, the free end out of follow-up pulley of traction flexible cable is upwards walked around after hanging wheel downwards with the ground rolling of other end rolling opposite 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 hanging wheel that plays, an if stopper, this stopper stops that hanging wheel moves down to keep the Elastic Fixed Ends of braking flexible cable to have suitable elastic pulling force.
2. self-locking type hoisting device according to claim 1, is characterized in that: provide direction and the brake wheel of the elastic pulling force of the Elastic Fixed Ends of described braking flexible cable to make to promote the opposite direction while rotation.
3. self-locking type hoisting device according to claim 2, is characterized in that: what described elastic pulling force was provided 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 swings up and down in the swing arm that is hinged on bearing, and described stopper is fixed on the downside of swing arm.
CN201420238734.9U 2014-05-10 2014-05-10 Self-locking type winding and lifting device Withdrawn - After Issue CN203820347U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420238734.9U CN203820347U (en) 2014-05-10 2014-05-10 Self-locking type winding and lifting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420238734.9U CN203820347U (en) 2014-05-10 2014-05-10 Self-locking type winding and lifting device

Publications (1)

Publication Number Publication Date
CN203820347U true CN203820347U (en) 2014-09-10

Family

ID=51475867

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420238734.9U Withdrawn - After Issue CN203820347U (en) 2014-05-10 2014-05-10 Self-locking type winding and lifting device

Country Status (1)

Country Link
CN (1) CN203820347U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103979447A (en) * 2014-05-10 2014-08-13 刘铁儿 Self-locking type winch lifting device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103979447A (en) * 2014-05-10 2014-08-13 刘铁儿 Self-locking type winch lifting device

Similar Documents

Publication Publication Date Title
CN104098039B (en) A kind of multifunction combined friction winch system
EP2457862A3 (en) Emergency escape device for elevator
CN102003093A (en) Lifting drive system by steel wire ropes in stereo garage
CN203820347U (en) Self-locking type winding and lifting device
CN201045328Y (en) Kite wind energy converting device deploying and retracting mechanism
CN103935182B (en) Portable book drawing paper writing paper stretcher
CN103979447B (en) Self-locking type hoisting device
CN202379604U (en) Synchronous hoisting reel device for cranes
CN201663386U (en) Pull-type electric tractor for tension stringing of power transmission lines
CN105217499A (en) A kind of two-way row restricts winch
CN203998750U (en) A kind of two-way row winch of restricting
CN203998704U (en) Bidirectional walking blondim
CN204474213U (en) A kind of duplex type system synchronous hoist system
CN104455247A (en) Pull type rope drive device and application of pull type rope drive device in automatic flag raising and lowering system
CN205114915U (en) Hoist cable drum cable protection device
CN206301141U (en) A kind of last volume projection screen
CN203780195U (en) Portable painting and calligraphy paper stretching device
CN201623403U (en) Trailer-type drawing tension control system for transmission line tension stringing
CN200981799Y (en) Rope escape proof electric hoist
CN206553120U (en) A kind of hoist engine
CN106527032B (en) A kind of electronic last volume projection screen
CN201883740U (en) Steel wire rope lifting and transmission system of stereoscopic garage
CN204983798U (en) Novel transition formula promotes transmission system
CN201424351Y (en) Winch mechanism with the function of limiting super elevation and over speed
CN201842586U (en) Fraction hoisting device

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C25 Abandonment of patent right or utility model to avoid double patenting
AV01 Patent right actively abandoned

Granted publication date: 20140910

Effective date of abandoning: 20160406