CN1046117C - Hoister for basket of work high above the ground - Google Patents
Hoister for basket of work high above the ground Download PDFInfo
- Publication number
- CN1046117C CN1046117C CN97121860A CN97121860A CN1046117C CN 1046117 C CN1046117 C CN 1046117C CN 97121860 A CN97121860 A CN 97121860A CN 97121860 A CN97121860 A CN 97121860A CN 1046117 C CN1046117 C CN 1046117C
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- aerial work
- steel rope
- cam
- hollow shaft
- work basket
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Abstract
The present invention relates to an elevator used for vertical elevating and track climbing devices, which is provided with a driving motor, an axle coupler, a speed reducer and a wire cable driving device, wherein the driving motor is a disk type brake motor; the axle coupler is an elastic axle coupler in a plum blossom shape; the speed reducer uses single-stage harmonic wave transmission; the wire cable driving device comprises a wire cable driving wheel, a spiral brake with load function, and a cable pressing device. Generally, the elevator has the advantages of simple structure, small size, light weight, stable movement and low noise. The elevator has the characteristics of high towing force and high wire cable running speed, and the using condition is irrelevant to the installing position. The elevator is particularly suitable for aerial work machines, such as an aerial work hanging basket, etc.
Description
The present invention relates to gig, particularly a kind of aerial work basket gig with drive motor, coupler, speed reduction gearing and steel rope actuating device.
Winch, electric block are general-duty small-sized electric hoisting device, this hoisting device is mainly used in the vertical-lift of load, owing to all adopt the mode of reel lay winding wire ropes to realize promoting, make hoisting depth be restricted, the aerial work basket gig of domestic production at present is imitated on the basis of the external like product of mapping basically, its type of belt drive complexity, noise height, efficient is low, the life-span is short or defective such as lubricated difficulty all fails to be solved at all, and traditional ways of deceleration makes gig deadweight overweight, gives to install and use all to bring inconvenience.
Complex structure, the noise height that the objective of the invention is to exist at above-mentioned existing bont, efficient is low, the life-span is short or the defective of aspect such as lubricated difficulty and a kind of light aerial work basket gig is provided.
For realizing above-mentioned purpose effectively, the present invention takes following technical scheme: disc type brake motor output shaft and harmonic speed changer input shaft link by the blossom type elastic coupling, in harmonic speed changer, the input of employing wave producer, just wheel is fixing, flexbile gear output, the output shaft that links with flexbile gear is a hollow shaft, the steel rope drive wheel is installed on the mouth hollow shaft by Acme thread, the setting of output shaft hollow structure, make input shaft under the situation that adopts the blossom type elastic coupling, complete machine can obtain comparatively compact design again, thereby makes input and output straight line arrange optimization.In addition, this arrangement form of the present invention makes that also be provided with one is used for manually operated square head and becomes possibility, the setting of this square head not only can be when outage, discharge the drive motor brake equipment, realize descending operation by wind, but also help realizing the accurate lifting of load, thereby substituted be generally used for can meticulous adjusting brake system.
Though drive motor has brake action, but put in place in the weight lifting, when needing locking to hang, in order to alleviate the lock torque of motor, improve the force-bearing situation of deceleration transmission part, still be provided with spiral loading drg at the low speed end, spiral loading drg is made of two brake discs and the escapement that is embedded with slipper, one of them brake disc is fixed on the hollow shaft by two keys and abnormity nut, and another brake disc and steel rope drive wheel are made one and be installed on the hollow shaft by Acme thread.When promoting weight, the mouth hollow shaft rotates, and under the effect of Acme thread, compresses slipper with the brake disc of steel rope drive wheel one, is rotated in the forward thereby drive ratchet, and this moment, spiral loading drg was in non-braking mode.When weight hangs, hollow shaft braking, weight deadweight haulage cable drive wheel, under the effect of Acme thread, continue to compress slipper with the brake disc of steel rope drive wheel one, the ratchet that reversal trend is arranged is by the ratchet dieback, and this moment, spiral loading drg was in complete braking mode.When weight descends, the hollow shaft contrarotation, under the counter-rotating effect of Acme thread, discharge extruding with the brake disc of steel rope drive wheel one to slipper, thereby make the steel rope drive wheel can be under the traction of weight deadweight backward rotation, the realization weight descends, and this moment, spiral loading drg was in release position.In weight decline process, when steel rope drive wheel transient speed during greater than the hollow shaft transient speed, compress slipper with the brake disc of steel rope drive wheel one, the instantaneous braking of spiral loading drg, like this, the speed that weight is set by motor that repeatedly guarantees repeatedly that discharges, brakes by spiral loading drg descends.
Be the rope press device that the steel rope drive wheel is provided with, can be pressed into by a pilled-in selvedge steel rope track adjusting wheel, four that rope pressure roller in the steel rope drive wheel grooving, three bascules and rocking arm form.Four rope pressure rollers are installed on three bascules, link by rocking arm and track adjusting wheel, and rope pressure roller and rope traction power are worked pro rata.Four rope pressure rollers will press rope power balancedly to be applied on the steel rope of slack list, both guaranteed steel rope slack list initial tension, avoid pressing rope power too to concentrate again and cause the quick wearing and tearing of steel rope and grooving.
According to aerial work basket gig of the present invention, be provided with two hitch poinies, but work the time has only a point stressed, has so both guaranteed the relative stability of hoist installation position, can realize that again gig is in the randomness that is subjected on the line of force automatically when working.
In the speed reduction gearing part; the version that the present invention adopts is: just wheel adopts screw retention; can take that also the firm wheel that is screwed is used instead friction lining, platen and compression spring and fix,, can realize overload protection by adjusting spring pressure according to the version that changes slightly.
In sum, because aerial work basket has adopted harmonic drive with gig, make king-sized transmitting ratio become possibility, and harmonic drive efficient height, characteristics that Transmission is few so that according to aerial work basket of the present invention with gig can with big tractive force, higher steel rope running velocity and light total oneself focus on aloft work.In addition, the setting of hand lever can not only realize the accurate lifting and the decline of load, and can also be used for emergent descending operation under powering-off state.Like this, aerial work basket of the present invention can be widely used in the lifting, tractor equipment of civil construction, mine, Transport Machinery with gig.
That the present invention has is simple in structure, volume is little, in light weight, advantage such as noise is low, reduction ratio is big, the life-span is long, and have big tractive force with higher steel rope running velocity, can adapt to the different condition of services and the requirement of installation site.
Below in conjunction with accompanying drawing the present invention is done to set forth further:
Fig. 1 is the front view of aerial work basket of the present invention with gig
Fig. 2 is the lateral plan of aerial work basket of the present invention with gig
Fig. 3 is the A-A cutaway view of Fig. 1
Fig. 4 is the B-B cutaway view of Fig. 1
Fig. 5 is the harmonic speed reducer constructional drawing of embodiment two
Embodiment one: represented a light aerial work basket gig in Fig. 1,2, its sill structure has drive motor 1, coupler 2, speed reduction gearing 3 and steel rope actuating device 4.In this structure, drive motor 1 is the disc type brake motor, coupler 2 is blossom type elastic coupling (also can select the coupler of flexible jaw coupling or other type for use), speed reduction gearing 3 adopts the single-stage harmonic drive, the output shaft of speed reduction gearing 3 is a hollow shaft 8, steel rope drive wheel 9 is installed on the hollow shaft 8 by Acme thread, with steel rope drive wheel 9 supporting by spiral loading drg and rope press device, steel rope drive wheel 9, spiral loading drg and rope press device are referred to as steel rope actuating device 4.
Spiral loading drg is made of brake disc, two key 14, abnormity nut 15 (also available circular nut replaces) brake disc of fixing 12 and the ratchet 10 that is embedded with slipper 11 with steel rope drive wheel 9 one.When promoting weight, the hollow shaft 8 of mouth rotates, and under the effect of Acme thread, compresses slipper 11 with the brake disc of steel rope drive wheel 9 one, is rotated in the forward thereby drive ratchet 10, and this moment, spiral loading drg was in non-braking mode.When weight hangs, hollow shaft 8 brakings, weight deadweight haulage cable drive wheel 9, under the effect of Acme thread, continue to compress slipper 11 with the brake disc of steel rope drive wheel 9 one, the ratchet 10 that reversal trend is arranged is by ratchet 25 (see figure 4) diebacks, and this moment, spiral loading drg was in complete braking mode.When weight descends, hollow shaft 8 contrarotations under the counter-rotating effect of Acme thread, discharge extruding to slipper 11 with the brake disc of steel rope drive wheel 9 one, thereby make steel rope drive wheel 9 can be under the traction of weight deadweight backward rotation, realize that weight descends.This moment, spiral loading drg was in release position.In weight decline process, when steel rope drive wheel 9 transient speeds during greater than hollow shaft 8 transient speeds, promptly compress slipper 11 with the brake disc of steel rope drive wheel 9 one, the instantaneous braking of spiral loading drg descends by the speed that weight is set by motor that repeatedly guarantees repeatedly that spiral loading drg discharges, brakes like this.
Rope press device is made up of steel rope track adjusting wheel 16, rocking arm 17, steel rope pressure roller 18, bascule 19 and rope guide 20.Steel rope pressure roller 18 is worked with rope traction power pro rata by means of track adjusting wheel 16, rocking arm 17 and bascule 19.
In speed reduction gearing, adopt wave producer 5 inputs, just taken turns single-stage harmonic drive 6 fixing, flexbile gear 7 outputs.Just wheel 6 adopts screw retention, also can use friction lining, platen, compression spring instead and fix, and realize overload protection by adjusting spring pressure.
The speed reduction gearing 3 of single-stage harmonic drive shown in Figure 3 is by cam 23, antifriction-bearing box 22, flexbile gear 7 and just taken turns 6 and formed, its concrete structure is on the main shaft 21 that is driven by coupler 2 cam 23 (key is housed between the two) to be housed flexbile gear 7 is housed on cam 23, and between cam 23 and flexbile gear 7, antifriction-bearing box 22 is housed, tooth on the flexbile gear 7 and the tooth engagement of just taking turns on 6.Just wheel 6 is fixed on the casing by screw 24.
Embodiment two: the concrete structure that Figure 5 shows that the speed reduction gearing of embodiment two, thin-wall bearing 29 is housed on cam 23, in thin-wall bearing 29 outsides elasticity external toothing 28 is housed, the tooth of elasticity external toothing 28 is meshed with input rigid internal gear 26 and the tooth of exporting on the rigid internal gear 27, the hollow shaft 8 of output rigid internal gear 27 and mouth connects by connecting flange, imports rigid internal gear 26 and connects with casing.
On the casing of aerial work basket according to the art invention two hitch point A and B are arranged with the gig setting, during the gig normal operation, have only a hitch point A stressed, and another hitch point B only is used to keep the relative stability of hoist installation position, thereby the applicable cases of gig and installation site are had nothing to do.
Claims (6)
1. aerial work basket gig, comprise drive motor (1), coupler (2), speed reduction gearing (3) and steel rope actuating device (4), it is characterized in that: drive motor (1) is a disc type brake motor, it links by coupler (2) and main shaft (21), on main shaft (21), be fixed with the speed reduction gearing (3) of single-stage harmonic drive, the output shaft of speed reduction gearing (3) is hollow shaft (8), coupler (2) and main shaft (21) pass from hollow shaft (8) center, hollow shaft has Acme thread on (8), and steel rope drive wheel (9) is installed by Acme thread, spiral load drg also is housed on hollow shaft (8), rope press device is housed on casing.
2. aerial work basket gig according to claim 1, it is characterized in that: said spiral load drg, form by the brake disc of steel rope drive wheel (9) one, the ratchet (10) that is embedded with slipper (11) and brake disc (12), wherein brake disc (12) is contained on the hollow shaft (8), and fixing with two keys (14) and abnormity nut (15).
3. aerial work basket gig according to claim 1, it is characterized in that: said rope press device is made up of steel rope track adjusting wheel (16), rocking arm (17), steel rope pressure roller (18), bascule (19) and guides (20), wherein an end of rocking arm (17) is fixed on the casing by pivot pin, other end pin joint track adjusting wheel (16).
4. aerial work basket gig according to claim 1, it is characterized in that: the speed reduction gearing of single-stage harmonic drive (3) is made up of cam (23), antifriction-bearing box (22), flexbile gear (7) and firm wheel (6), wherein just takes turns (6) and is fixed on the casing by screw (24); Go up dress cam (23) at main shaft (21), cam (23) is gone up dress flexbile gear (7), between cam (23) and flexbile gear (7) antifriction-bearing box (22) is housed.
5. aerial work basket gig according to claim 1, it is characterized in that: the speed reduction gearing of single-stage harmonic drive (3) is made up of cam (23), external toothing (28), input rigid internal gear (26), output rigid internal gear (27), wherein elasticity external toothing (28) is contained on the cam (23), between elasticity external toothing (28) and cam (23), thin-wall bearing (29) is housed, output rigid internal gear (27) then connects by connecting flange with the hollow shaft (8) of mouth, and input rigid internal gear (26) connects with casing.
6. aerial work basket gig according to claim 1 is characterized in that: two hitch poinies (A) and (B) are arranged on casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97121860A CN1046117C (en) | 1997-12-09 | 1997-12-09 | Hoister for basket of work high above the ground |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97121860A CN1046117C (en) | 1997-12-09 | 1997-12-09 | Hoister for basket of work high above the ground |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1188737A CN1188737A (en) | 1998-07-29 |
| CN1046117C true CN1046117C (en) | 1999-11-03 |
Family
ID=5176504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97121860A Expired - Fee Related CN1046117C (en) | 1997-12-09 | 1997-12-09 | Hoister for basket of work high above the ground |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1046117C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101870437B (en) * | 2010-05-19 | 2013-03-13 | 广州四航岩土技术工程有限公司 | Electric climbing device and application device thereof |
| CN102070102A (en) * | 2010-11-19 | 2011-05-25 | 赵维莹 | Simple lifter |
| CN103288014B (en) * | 2012-02-23 | 2015-10-28 | 王彦清 | A kind of electric hanging basket hoister |
| CN110498353A (en) * | 2018-09-14 | 2019-11-26 | 哈尔滨工业大学 | A kind of Steel rope drive reel of the big retarding than being not necessarily to cycloid mechanism |
| CN110615339B (en) * | 2019-09-17 | 2022-05-27 | 浙江尼邦电梯有限公司 | Shaft coupling for traction elevator |
| CN113683000B (en) * | 2021-08-31 | 2022-10-18 | 山东塞克尔矿山设备有限公司 | Piston type pneumatic hoist |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2197517Y (en) * | 1994-08-25 | 1995-05-17 | 西安大方实业总公司 | Harmonic gear speed variator |
-
1997
- 1997-12-09 CN CN97121860A patent/CN1046117C/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2197517Y (en) * | 1994-08-25 | 1995-05-17 | 西安大方实业总公司 | Harmonic gear speed variator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1188737A (en) | 1998-07-29 |
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