CN201334345Y - Lifting mechanism of hand-operated aerial operation hanging basket - Google Patents
Lifting mechanism of hand-operated aerial operation hanging basket Download PDFInfo
- Publication number
- CN201334345Y CN201334345Y CNU2008202384684U CN200820238468U CN201334345Y CN 201334345 Y CN201334345 Y CN 201334345Y CN U2008202384684 U CNU2008202384684 U CN U2008202384684U CN 200820238468 U CN200820238468 U CN 200820238468U CN 201334345 Y CN201334345 Y CN 201334345Y
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- ratchet
- lifting mechanism
- hand
- hanging basket
- transmission shaft
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Abstract
The utility model discloses a lifting mechanism of a hand-operated aerial operation hanging basket, which comprises a shell, an input shaft, a transmission device, a braking device, an output shaft and a rope sheave arranged on the shell, and a power steel wire rope; the input shaft transmits the power to the output shaft by the transmission device; the output shaft is fixedly connected with the rope sheave; the power steel wire rope is towed and passes through the rope sheave; the rope sheave rotates and drives the shell to go up and down with the power steel wire rope; the braking device is used to brake the transmission device; the lifting mechanism of the hand-operated aerial operation hanging basket is characterized in that the input shaft is provided with a hand-operated handle; and the braking device is a friction plate type ratchet wheel one-way brake. The lifting mechanism of the hand-operated aerial operation hanging basket is arranged on the aerial operation hanging basket body, and capable of driving the basket body to go up and down with the power steel wire rope. The hand-operated way is in compliance with the habit of the operator, and provides convenience for the operation; the ratchet wheel friction plate type one-way brake prevents the rolling phenomenon that the hanging basket slides down automatically. The lifting mechanism of the hand-operated aerial operation hanging basket has the advantages of simple structure, easy manufacturing and reliable braking.
Description
Technical field
The utility model relates to a kind of transmission device of lifting facility, is specifically related to a kind of transmission device that adopts the hanging basket that hand mode drives.
Background technology
Aerial work basket is to be suspended on the building eminence by steel rope, can be along the facility of steel rope up-and-down movement.At present, known aerial work basket has Lever Blocks hanging basket, driven hanging basket and foot pedal type hanging basket.This several prods structure is different, but generally comprise following components: the basket body, lifting wire rope and safe steel rope, lifting mechanism, safety device, fixed support, fixed support is installed in the building eminence and chooses outside the room, the fixed support front end connects lifting wire rope and safe steel rope respectively, power steel rope and safe steel rope pass lifting mechanism and the safety device that is installed on the basket body respectively and extend downward ground, the steel rope end is provided with the bob top, make steel rope under its action of gravity, remain plumbness, be provided with drg in the lifting mechanism, when the basket body hovers over when aerial, drg works, and prevents to hang Lan Zaiqi deadweight or constructional loading effect and issues " slide car " phenomenon of being conigenous moving downslide.Safety device is inoperative in the normal lifting of hanging basket with when hovering, when the power steel rope because accidental cause when fracture takes place, prevents the tenesmus accident thereby pin safe steel rope rapidly in the time of demarcating with hanging basket suspension on the safety steel rope.
In the existing product, the Lever Blocks barrel structure is simple, and is with low cost, but owing to there is bigger extruding between lifting mechanism and the power steel rope, causes the power steel rope damaged easily; In addition, its braking technology and safety device close only, cause safety misadventure to take place frequently and are eliminated out market gradually.
What adopt between the lifting mechanism of driven hanging basket and the power steel rope is the traction hoisting way, does not have slide relative between power steel rope and the lifting mechanism, and it is less therefore to wear and tear; Its brake portion adopts the electromagnetic braking on motor shaft, good reliability; Safety device adopts matured product broken rope protector of the prior art, and its safety factor is also than higher.But the shortcoming of driven hanging basket is: complex structure, mechanism are huge, must rely on electric power, and integrated cost is higher, also influences it and promotes the use of.
The foot pedal type hanging basket is the cost performance high product of emerging in large numbers in recent years, it also is to adopt the traction hoisting way, its lifting mechanism is provided with pedal that uses on the similar bicycle and the arm-chair of riding seat for the operator, pedal pedal, just can realize the dipping and heaving of hanging basket, saved the energy, compliance with environmental protection requirements.The safety device of this product and brake equipment deft design, also reliable, but install, debugging is cumbersome, breaks down easily after using a period of time, need debug again and safeguard.Owing to adopt pedal, the existence of arm-chair has occupied big relatively space in the basket body, influences the operator and stacks material in addition.In addition, the operator rides on the arm-chair, often exceeds general basket body above the waist, for safety, must increase the basket body degree of depth, and its center of gravity is remained in the basket body, has so increased the weight and the manufacturing cost of basket body.When promoting the use of, also run into such a case, owing to most rural migrant workers on the construction market of southerner especially China south did not ride bicycle, they practise strong hand and operate, and are therefore uncomfortable to the pedal mode, even occur asking the special messenger to pedal the situation of hanging basket.Comparatively speaking, the alerting ability of human hand will be considerably beyond pin, and the user reflects that generally to adopt the operating mode of driven by shaking more convenient.Therefore a kind of simple in structure, safe and reliable, hanging basket of adopting the operating mode lifting of driven by shaking of market demand.
Obtain such product, in conjunction with the enlightenment of above-mentioned prior art, the power steel rope can adopt the electronic blue traction hoisting way that hangs; Safety device can be selected existing matured product broken rope protector for use; And lifting mechanism must redesign, and it must satisfy: 1) shaking operation, satisfy user's requirement; 2) simple in structure, the braking reliable, easy to manufacture, easy to use.
The utility model content
In conjunction with the description of top background technology, the technical problems to be solved in the utility model provides a kind of hanging basket lifting mechanism that adopts hand operating mode, and it has characteristics simple in structure, that braking is reliable, easy to use.
For solving the problems of the technologies described above, the transmission device of a kind of shaking aerial work basket of the utility model, comprise housing and the input shaft that is installed on the housing, driving device, brake equipment, output shaft, rope sheave, also comprise the power steel rope, input shaft arrives output shaft by driving device with transmission of power, captive joint rope sheave on the output shaft, the power steel rope is walked around from rope sheave with draw mode, the rope sheave rotation, driving housing rises or descends along the power steel rope, the effect of brake equipment is that driving device is braked, and it is characterized in that: input shaft is provided with hand cranking handle; Described brake equipment is a friction disk type ratchet one-way drg.
The utility model is installed on the basket body of aerial work basket, can drive the basket body and rise or descend along the power steel rope.Driving device is controlled at hand power in the tolerance band of common adult's muscle power effectively by deceleration, reinforcement.This hand mode meets the construction custom on the vast building ground of southern area, has enlarged to hang the blue territorial scope that uses.Ratchet friction disk type one-way drg on the utility model prevents to hang Lan Zaiqi deadweight or constructional loading effect and issues " slide car " phenomenon of being conigenous moving downslide.The lifting mechanism of the utility model foot pedal type hanging basket of the prior art relatively, simple in structure, its brake performance reliability further improves, and does not take too much basket body space simultaneously, handled easily, basket height degree can reduce, and reduces deadweight and manufacturing cost.
Further, described ratchet friction disk type one-way drg adopts following structure: comprise friction lining and single direction ratchet, ratchet and be arranged on drg seat on the transmission shaft, friction lining and single direction ratchet sky are enclosed within on the transmission shaft, be installed in ratchet on the housing single direction ratchet of under action of reset spring, constantly fitting, single direction ratchet can be rotated in the forward and oppositely be braked; Transmission shaft is provided with coupling band, coupling band comprise can be to axial trace move and driving link and driven member in relative rotation, wherein the driven member of connecting shaft cover is captiveed joint with transmission shaft, the driving link of connecting shaft cover is connected with adopting the non-self-locking thread of big helical pitch with transmission shaft, trace moves vertically, pressing friction sheet, single direction ratchet and drg seat, thus make above-mentioned parts and transmission shaft form one, can be rotated in the forward and oppositely be braked.
Its working process is as follows:
1) uphill process: forward rotation hand cranking handle, the input shaft imput power, drive transmission shaft and the rotation of the drg seat on it, because transmission shaft is axially fixed, under the effect of screw thread transmission, driving link axially trace moves, and pressing friction sheet, friction lining compress the single direction ratchet both ends of the surface, compress drg seat end face again, thereby make friction lining, single direction ratchet, the driving link of coupling band rotates thereupon, and then drives the driven member rotation of coupling band, and power is delivered to output shaft by driving device, by with the rope sheave of output shaft fixed connection, drive whole blue body and rise along the power steel rope, ratchet is only beated on hook tooth and is not blocked ratchet at this moment, so can promote.Hand action and discontinuous carrying out, but as long as a stall just enters braking mode immediately, ratchet promptly blocks ratchet, and the basket body is not fallen.
2) decline process: when the counter-rotation hand cranking handle, the driving link of coupling band trace vertically moves, the disengaging friction sheet, and axially differential pressure is low between friction lining thereby make, and when skidding up between friction lining, ratchet is motionless, but blue body descends slowly.Not necessarily continuous because of moving, an as long as stall, the basket body continues to descend slightly under himself action of gravity, thereby drives the rope sheave backwards rotation, and then the driven member of coupling band is rotated, the driving link that the driven member of coupling band orders about coupling band again rotates, and the rotation of the trace of the driving link of coupling band forces its micro-vertically moving, as previously mentioned, and the pressing friction sheet, with applyings such as ratchet, drg seats and enter braking mode, make the blue body can free fall.
3) braking procedure: when hovering, the weight of basket body acts on the output shaft, make the transmission shaft that friction disk type ratchet one-way drg is installed that the trend of anticlockwise direction rotation be arranged by driving system, thereby forcing the driving link of coupling band vertically friction lining, ratchet and drg seat to be compacted into one, ratchet blocks ratchet and by friction lining and drg seat this transmission shaft can not be rotated and is in braking mode.
Select for use the non-self-locking thread of big helical pitch to be connected between the driving link of coupling band and the transmission shaft, be because this screw thread has following characteristics: these two parts that constitute screw pair are in drive connection, A end and secondary part each other, and can not produce locking phenomenon, so could satisfy above-mentioned rising, descend and the process of hovering in brake request.
Further, the described transmission shaft that is provided with ratchet is an input shaft, like this because input shaft is a high speed shaft, and its rotating speed height and moment of torsion is low, it is little to brake required moment, has improved the reliability of braking.
Further, described axial micro-amount of movement is 1-2mm.
Further again, the overall gear ratio of described driving device is 12.Under the situation of total load 2000N, the power that the operator acts on the handle only needs 150N just passable like this, meets the needs of people's operation.
Description of drawings
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is further described.
Accompanying drawing is the assembly relation scheme drawing of specific embodiment of the utility model.
The specific embodiment
As shown in Figure 1, tween drive shaft 7 is bearing on the housing 2 by antifriction-bearing box.Tween drive shaft 7 is connected with the driven member 6 of coupler by spline.Input shaft 1 rear end is bearing in by antifriction-bearing box 104 on the driven member 6 of coupler, and input shaft 1 front end is by on antifriction-bearing box 102 support housings 2.
Be shaped on profile 101 on the input shaft 1.Hand cranking handle (not drawing among the figure) can be connected with input shaft 1 by this profile, rotates hand cranking handle, just can drive input shaft 1 rotation.Hand cranking handle also can be connected with input shaft such as spline etc. by other form.
On input shaft 1, be provided with the shaft shoulder 103, as the drg seat.Be shaped on outside thread-big non-self-locking thread 105 of helical pitch on the input shaft 1, be shaped on corresponding negative thread on the driving link 5 of coupling band, the two is by being threaded.Outside thread is about 1mm-2mm than negative thread.Single direction ratchet 4 skies are enclosed within on the pawl seat 404.Between the driving link 5 and the shaft shoulder 103 of coupling band, friction lining 3, pawl seat 404, friction lining 3 sky successively are enclosed within on the input shaft 1.Ratchet 401 is installed on the housing 2, keeps fitting constantly with single direction ratchet 4 by retracing spring 402 (compression spring).Regulate the degree of depth that bolt 403 screws in housing 2 by changing, can adjust the predetermincd tension of a spring 402.
On driving link 5 rear ends of coupling band, be provided with the driver blade 501 that many groups are protruded.The front end face of the driven member 6 of coupling band is provided with corresponding groove, in driver blade 501 insertion grooves, and the driving link 5 that can make coupling band and the rotation of driven member one (see among the figure shown in the dotted portion).Axially leave the gap between driver blade 501 and groove, being convenient to the two can move axially.Usually this gap value is advisable with 1-2mm.The driving link 5 of coupling band and driven member 6 and the connection mode that other can also be arranged can be realized above-mentioned purpose equally such as the pattern by trundle/hole.
The overall gear ratio of present embodiment is 12.Also can select the transmitting ratio of other numerical value for use.
Claims (5)
1, a kind of lifting mechanism of shaking aerial work basket, comprise housing and the input shaft, driving device, brake equipment, output shaft, the rope sheave that are installed on the housing, also comprise the power steel rope, input shaft arrives output shaft by driving device with transmission of power, captive joint rope sheave on the output shaft, the power steel rope is walked around from rope sheave with draw mode, the rope sheave rotation, driving housing rises or descends along the power steel rope, the effect of brake equipment is that driving device is braked, and it is characterized in that: input shaft is provided with hand cranking handle; Described brake equipment is a friction disk type ratchet one-way drg.
2, lifting structure as claimed in claim 1, it is characterized in that: described ratchet friction disk type one-way drg adopts following structure: comprise friction lining and single direction ratchet, ratchet and be arranged on drg seat on the transmission shaft, friction lining and single direction ratchet sky are enclosed within on the transmission shaft, be installed in ratchet on the housing single direction ratchet of under action of reset spring, constantly fitting, single direction ratchet can be rotated in the forward and oppositely be braked; Transmission shaft is provided with coupling band, coupling band comprise can be to axial trace move and driving link and driven member in relative rotation, wherein the driven member of coupling band is captiveed joint with transmission shaft, the driving link of coupling band is connected with adopting the non-self-locking thread of big helical pitch with transmission shaft, trace moves vertically, pressing friction sheet, single direction ratchet and drg seat, thus make above-mentioned parts and transmission shaft form one, can be rotated in the forward and oppositely be braked.
3, lifting mechanism as claimed in claim 1 is characterized in that: the described transmission shaft that is provided with ratchet is an input shaft.
4, lifting mechanism as claimed in claim 2 is characterized in that: the numerical value of described axial micro-amount of movement is 1-2mm.
5, lifting mechanism as claimed in claim 1 is characterized in that: the overall gear ratio of described driving device is 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202384684U CN201334345Y (en) | 2008-12-26 | 2008-12-26 | Lifting mechanism of hand-operated aerial operation hanging basket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202384684U CN201334345Y (en) | 2008-12-26 | 2008-12-26 | Lifting mechanism of hand-operated aerial operation hanging basket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201334345Y true CN201334345Y (en) | 2009-10-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202384684U Expired - Fee Related CN201334345Y (en) | 2008-12-26 | 2008-12-26 | Lifting mechanism of hand-operated aerial operation hanging basket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201334345Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102730610A (en) * | 2012-06-29 | 2012-10-17 | 深圳职业技术学院 | Manual lifting device |
| CN108527274A (en) * | 2017-03-03 | 2018-09-14 | 国网山东省电力公司潍坊供电公司 | Hand auto-manual system high-voltage grounding wire loading and unloading device auxiliary operation holder |
| CN109775629A (en) * | 2019-03-15 | 2019-05-21 | 苏碧铃 | A kind of climbing string device |
| CN112623998A (en) * | 2021-01-12 | 2021-04-09 | 郑州盆饶商贸有限公司 | Hand-operated hoisting equipment for decoration |
| CN115214744A (en) * | 2022-07-25 | 2022-10-21 | 泰安科创矿山设备有限公司 | Energy absorber and sports car protector |
-
2008
- 2008-12-26 CN CNU2008202384684U patent/CN201334345Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102730610A (en) * | 2012-06-29 | 2012-10-17 | 深圳职业技术学院 | Manual lifting device |
| CN108527274A (en) * | 2017-03-03 | 2018-09-14 | 国网山东省电力公司潍坊供电公司 | Hand auto-manual system high-voltage grounding wire loading and unloading device auxiliary operation holder |
| CN109775629A (en) * | 2019-03-15 | 2019-05-21 | 苏碧铃 | A kind of climbing string device |
| CN109775629B (en) * | 2019-03-15 | 2023-09-05 | 苏碧铃 | Rope climbing device |
| CN112623998A (en) * | 2021-01-12 | 2021-04-09 | 郑州盆饶商贸有限公司 | Hand-operated hoisting equipment for decoration |
| CN115214744A (en) * | 2022-07-25 | 2022-10-21 | 泰安科创矿山设备有限公司 | Energy absorber and sports car protector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091028 Termination date: 20121226 |