CN2937079Y - Electric hoist device - Google Patents
Electric hoist device Download PDFInfo
- Publication number
- CN2937079Y CN2937079Y CNU2007200029024U CN200720002902U CN2937079Y CN 2937079 Y CN2937079 Y CN 2937079Y CN U2007200029024 U CNU2007200029024 U CN U2007200029024U CN 200720002902 U CN200720002902 U CN 200720002902U CN 2937079 Y CN2937079 Y CN 2937079Y
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- connecting rod
- bearing plate
- motor
- electric machine
- motorized lift
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Abstract
The utility model relates to an electric lifting device provided for solving the problems that the short-distance lift for heavier goods, overstep the stumbling block, the disabled in wheel chairs get on or get off the vehicle. The utility model comprises a bearing plate (16), an electric machine platform (4) and a first electric machine (1) which is fixedly positioned at the electric machine platform, and a second electric machine (14), which also comprises a gear (2), which is fixedly connected with the output shaft of the first electric machine; a fixed gear rack (3), which is fixedly positioned beneath the electric machine platform and meshed with the gear; a fixed dump rail (6), the electric machine platform is connected with the fixed dump rail; a chain-drive device, a first chain wheel(13) of which is connected with the output shaft of the second electric machine rotationally; a main transmission connecting rod (12) and a driven transmission connecting rod (19), the length of the main transmission connecting rod is equal with that of the driven transmission connecting rod, both ends of the main transmission connecting rod and the driven transmission connecting rod is respectively hinged joint with the bearing plate and connected with the fixed dump rail rotationally to form a four-bar linkage.
Description
Technical field
The utility model relates to a kind of Motorized lift device.
Background technology
For going beyond than the short range lifting of heavy articles, obstacle, such as take the handicapped disabled person's of wheelchair up/down steps, getting on or off the bus etc. of riding in a bus all is the problem of usually running in the life, the disabled person who particularly takes wheelchair is bus up and down, generally all needs other people help just can finish; At present also do not have public accessible facilities to help the disabled person on the bus, and be convenient to the use of the lowchassis bus that the disabled person gets on or off the bus,, can not get using widely because domestic road conditions difference and car is less economical; Some equipment up and down that movable slope arranged are also because need many people to help when using and be inconvenient to use.At present, also there is not a kind of specialized equipment to be used for addressing the above problem.
The utility model content
For solving the going beyond of short range lifting than heavy articles, obstacle, problem that wheelchair-bound disabled person gets on or off the bus, the utility model provides a kind of Motorized lift device, its technical essential is a principle of having utilized planar pivot four-bar mechanism, has characteristics simple in structure, reliable operation.
The technical solution of the utility model is achieved in that it comprises bearing plate 16, motor platform 4 and is installed in a motor 1 and No. two motors 14 on the motor platform 4, and it also comprises gear 2, captives joint with the output shaft of a motor 1; Stationary rack 3, be fixedly installed on motor platform 4 the below and with gear 2 engagement; Fixed rack 6, motor platform 4 and fixed rack 6 sliding block joints; Chain drive, the output shaft of one sprocket wheel 13 and No. two motors 14 is rotationally connected; Main gear connecting rod 12 and from kinematic link 19, main gear connecting rod 12 and equal in length from kinematic link 19, main gear connecting rod 12 and from the two ends of kinematic link 19 hinged and fixed rack 6 is rotationally connected with bearing plate 16 respectively, form four-bar linkage, and main gear connecting rod 12 coaxial fixing with No. two sprocket wheels 9 of chain drive with coupling end fixed rack 6.
In such scheme, described chain drive, fixed rack 6, main gear connecting rod 12 and be two and be fixedly installed on the both sides of motor platform 4 respectively from kinematic link 19.Guarantee the robust motion of entire mechanism further.
Further, it also comprises two slide bars 8 and several pulleys 7, described two slide bars 8 are fixedly installed on motor platform 4 both sides respectively, and described pulley 7 is successively set in the guide groove 6-1 that offers fixed rack 6 sides in both sides and its wheel shaft is captiveed joint with the slide bar 8 of both sides respectively.
Further, it also comprises retarder 20 and drg 18, described retarder 20 is arranged between the sprocket wheel 13 of No. two motors 14 and a side chain transmission device, and described drg 18 is installed on the motor platform 4 and is connected with a sprocket wheel 13 of the chain drive of opposite side.
The below of described bearing plate 16 is provided with bumper 15; Described bumper 15 can be spring damper.
Near the obstacle that the utility model can be installed in the place that need to promote article, need go beyond or in the corresponding step.Particularly can be installed in the step of bus door mouth, can skid off by slide rail so in use, can slide in the step by slide rail when not using, not influence getting on or off the bus of other passengers.
Because main gear connecting rod 12 and equal in length from kinematic link 19 it is hereby ensured that bearing plate 16 is in horizontality all the time, when bearing plate 16 went to ground, the bumper 15 that bearing plate 16 belows are provided with can further play the effect of stable working failure-free.The utlity model has compact conformation, little characteristics take up room; Can solve the going beyond of short range lifting than heavy articles, obstacle, problem that wheelchair-bound disabled person gets on or off the bus effectively.
Description of drawings
Fig. 1 is an integral structure scheme drawing of the present utility model;
Fig. 2 is the E-E cutaway view of Fig. 1;
Fig. 3 is that the F of Fig. 1 is to view;
Fig. 4 is the A-A part sectional view of Fig. 1;
Fig. 5 is the B-B part sectional view of Fig. 1;
Fig. 6 is the C-C part sectional view of Fig. 1;
Fig. 7 is the D-D part sectional view of Fig. 1;
Fig. 8 is the scheme drawing of bearing plate 16 described in the utility model when being in the lower position state;
Fig. 9 is the scheme drawing of bearing plate 16 described in the utility model when being in the high position state.
The specific embodiment
Specify preferred embodiment of the present utility model below in conjunction with accompanying drawing.
As Fig. 1, Fig. 2 and shown in Figure 3, it comprises the utility model bearing plate 16, motor platform 4 and is installed in a motor 1 and No. two motors 14 on the motor platform 4, and it also comprises gear 2, captives joint with the output shaft of a motor 1; Stationary rack 3, be fixedly installed on motor platform 4 the below and with gear 2 engagement; Fixed rack 6, motor platform 4 and fixed rack 6 sliding block joints; Chain drive, the output shaft of one sprocket wheel 13 and No. two motors 14 is rotationally connected; Main gear connecting rod 12 and from kinematic link 19, main gear connecting rod 12 and equal in length from kinematic link 19, main gear connecting rod 12 and from the two ends of kinematic link 19 hinged and fixed rack 6 is rotationally connected with bearing plate 16 respectively, form four-bar linkage, and main gear connecting rod 12 coaxial fixing with No. two sprocket wheels 9 of chain drive with coupling end fixed rack 6.
In the such scheme, described stationary rack 3 can be Fixed Nut, and described gear 2 of captiveing joint with motor 1 also can be the screw mandrel with the Fixed Nut interoperation, uses needs as long as satisfy, and all belongs to and is equal to replacement, all in the protection domain of this patent.
Preferably, described chain drive, fixed rack 6, main gear connecting rod 12 and be two and be fixedly installed on the both sides of motor platform 4 respectively from kinematic link 19; It also comprises two slide bars 8 and several pulleys 7, described two slide bars 8 are fixedly installed on motor platform 4 both sides respectively, and described pulley 7 is successively set in the guide groove 6-1 that offers fixed rack 6 sides in both sides and its wheel shaft is captiveed joint with the slide bar 8 of both sides respectively.As shown in Figure 4, pulley 7 is fixing with slide bar 8 by rivet 22.Particularly, as shown in Figure 5, set firmly the attached seat 23 of connection on slide bar 8, connection bearing pin 24 is installed on the attached seat 23 of connection and its two ends are fixed with main gear connecting rod 12 and No. two sprocket wheels 9 respectively.As shown in Figure 6, set firmly the attached seat 25 of connection on slide bar 8, connection bearing pin 26 is installed on the attached seat 25 of connection and an end is captiveed joint with the end from kinematic link 19.As shown in Figure 7, place, the both sides of the edge of bearing plate 16 is installed with hinged attached seat 27, and the described other end and hinged attached seat 27 from kinematic link 19 is hinged.
More preferably, it also comprises retarder 20 and drg 18, and described retarder 20 is arranged between the sprocket wheel 13 of No. two motors 14 and a side chain transmission device, is used for controlling reducing the speed that load carrier slides, rotates, to strengthen the safety of contained article.Described drg 18 is an electromagnetic power brake FZ200 type, is installed on the motor platform 4 and is connected with a sprocket wheel 13 of the chain drive of opposite side.
Particularly, the below of described bearing plate 16 is provided with bumper 15; Described bumper 15 is a spring damper.Impact when spring damper 15 and drg 18 can be used for slowing down bearing plate 16 and land increases the disabled person's who takes wheelchair safety.
More specifically, it also comprises the calutron 17 that is positioned at close engine installation one side on the bearing plate 16; Described calutron 17 is an electromagnet.Electromagnet can hold ground in the bus car of irony when bearing plate 16 is increased in the car near the ground, reduce bearing plate 16 and on the rocking of wheelchair, be beneficial to wheelchair and can steadily arrive ground in the car.
The utility model can be installed in the step of bus door, it is interior when its work of needs that stationary rack 3 is fixed on step, motor 1 starts driven gear 2 and rotates, gear 2 and stationary rack 3 engagements, and then promote top of the present utility model and skid off along fixed rack 6; Simultaneously, No. two motors 14 start and drive main gear connecting rod 12 by chain drive and rotate, and from kinematic link 19 formed four-bar linkages, the rotating of No. two motors 14, realize the ascending, descending of bearing plate 16, and then realize the problem that wheelchair-bound disabled person gets on or off the bus.
As shown in drawings, figure shown in two point is drawn is three steps of bus, represent bus back door place respectively three layers, ground floor is the chassis, the 3rd layer is manned platform, entire mechanism described in the utility model is installed on the chassis, is built in first and three layer inside, does not influence the normal person when not using and gets on or off the bus.
Principle of work: when the disabled person who takes advantage of wheelchair will go up bus, slide bar 8 is released by motor 1 driven wheel 2, No. two motors 14 drive 12 rotations of main gear connecting rod simultaneously, and putting down wheelchair platform when promptly releasing entire mechanism is that bearing plate 16 meets wheelchair-bound disabled person (as shown in Figure 8) to ground.After arriving bearing plate 16 on the hand wheelchair of disabled person, motor 1 counter motion, the drive entire mechanism is regained, No. two motors 14 drive main gear connecting rod 12 and lift bearing plate 16 manned platform motion in the bus car body simultaneously, after main gear connecting rod 12 turns over vertical position, No. two motor 14 quits work, and drg 18 reduces bearing plate 16 and touches manned flat-bed impact in the bus car body in conjunction with spring damper 15 work.Manned platform in bearing plate 16 touches the car body of bus, electromagnet 17 holds bearing plate 16, and the hand wheelchair of disabled person enters in the bus car, as shown in Figure 9.After in the disabled person enters car body, entire mechanism is regained the original position in the car body.
When taking advantage of the disabled person of wheelchair to get off in the bus, slide bar 8 is released by motor 1 driven wheel 2, and No. two motors 14 drive main gear connecting rods 12 and rotate simultaneously.When releasing entire mechanism, bearing plate 16 outwards moves to main gear connecting rod 12 vertical the time, 2 counter motions of motor 1 driven wheel, pushing mechanism rollback.No. two motor 14 reverse drive main gear connecting rods 12 rotate, and drive bearing plate 16 manned platform motion in the bus car, and behind the manned platform, electromagnet 17 holds bearing plate 16, as shown in Figure 9 in the car body that touches bus; After arriving bearing plate 16 on the hand wheelchair of disabled person, electromagnet 17 is sorption bearing plate 16 no longer, No. one motor 1 starts, the drive entire mechanism is released, No. two motors 14 drive 12 rotations of main gear connecting rod simultaneously, drive bearing plate 16 and move earthward, after main gear connecting rod 12 turned over vertical position, No. two motor 14 quit work.Drg 18 work up to touching ground, as shown in Figure 8, in conjunction with the effect of spring damper 15, reduce bearing plate 16 and touch ground-surface impact.The disabled person from the bearing plate 16 under the hand wheelchair behind ground, entire mechanism is regained the original position in the car body.
Advantage of the present utility model:
1, safe: it serves public transport to wheelchair by the flip-flop movement of hinge parallelogram lindage Car, in this process, bearing plate remains level. When bearing plate moves to platform, adopt The technology such as spring, electromagnetism fixes bearing plate, guarantees whole process disabled person's safety;
2, workable: this programme adopts motor-driven, operates simple and easy; And the whole knot of this mechanism Structure is preserved in car body, and is collapsible in the public transport car body when obsolete, can not have influence on the ordinary people Get on or off the bus;
3, cost is low: all can adopt low-power machine in this programme, the material of four-bar mechanism all adopts No. 45 common steel, with low cost;
4, adaptability is strong: this programme can adopt transformation take existing bus as with reference to designing The method of existing bus structure need not the special relevant bus of making, and enough space mounting are arranged This mechanism gets final product. In addition, this is installed in the place, the needs that need to promote article according to actual needs Near the barrier of going beyond or in the corresponding step.
Claims (8)
1, a kind of Motorized lift device, it comprises bearing plate (16), motor platform (4) and is installed in a motor (1) and No. two motors (14) on the motor platform (4) that it is characterized in that: it also comprises
Gear (2) is captiveed joint with the output shaft of a motor (1);
Stationary rack (3) is fixedly installed on the below of motor platform (4) and meshes with gear (2);
Fixed rack (6), motor platform (4) and fixed rack (6) sliding block joint;
Chain drive, one sprocket wheel (13) is rotationally connected with the output shaft of No. two motors (14);
Main gear connecting rod (12) and from kinematic link (19), main gear connecting rod (12) with from the equal in length of kinematic link (19), main gear connecting rod (12) and from the two ends of kinematic link (19) hinged and fixed rack (6) is rotationally connected with bearing plate (16) respectively, form four-bar linkage, and main gear connecting rod (12) coaxial fixing with coupling end fixed rack (6) and No. two sprocket wheels (9) of chain drive.
2, a kind of Motorized lift device according to claim 1 is characterized in that: described chain drive, fixed rack (6), main gear connecting rod (12) and be two and be fixedly installed on the both sides of motor platform (4) respectively from kinematic link (19).
3, a kind of Motorized lift device according to claim 2, it is characterized in that: it also comprises two slide bars (8) and several pulleys (7), described two slide bars (8) are fixedly installed on motor platform (4) both sides respectively, and described pulley (7) is successively set in the guide groove of offering both sides fixed rack (6) side (6-1) and its wheel shaft is captiveed joint with the slide bar (8) of both sides respectively.
4, according to claim 2 or 3 described a kind of Motorized lift devices, it is characterized in that: it also comprises retarder (20) and drg (18), described retarder (20) is arranged between the sprocket wheel (13) of No. two motors (14) and a side chain transmission device, and described drg (18) is installed in that motor platform (4) goes up and is connected with a sprocket wheel (13) of the chain drive of opposite side.
5, a kind of Motorized lift device according to claim 1 is characterized in that: the below of described bearing plate (16) is provided with bumper (15).
6, a kind of Motorized lift device according to claim 5 is characterized in that: described bumper (15) is a spring damper.
7, a kind of Motorized lift device according to claim 1 is characterized in that: it also comprises the calutron (17) that is positioned at upward close engine installation one side of bearing plate (16).
8, Motorized lift device according to claim 7 is characterized in that, described calutron (17) is an electromagnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200029024U CN2937079Y (en) | 2007-01-29 | 2007-01-29 | Electric hoist device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200029024U CN2937079Y (en) | 2007-01-29 | 2007-01-29 | Electric hoist device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2937079Y true CN2937079Y (en) | 2007-08-22 |
Family
ID=38361102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200029024U Expired - Fee Related CN2937079Y (en) | 2007-01-29 | 2007-01-29 | Electric hoist device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2937079Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103723420A (en) * | 2014-01-16 | 2014-04-16 | 浙江中烟工业有限责任公司 | Device for carrying filter stick solid material discs |
| CN108316165A (en) * | 2018-03-29 | 2018-07-24 | 曾美枝 | Bus device on a kind of wheelchair |
| CN109650020A (en) * | 2018-12-07 | 2019-04-19 | 横店集团英洛华电气有限公司 | Wheel-chair winding platform |
| CN112238908A (en) * | 2019-07-19 | 2021-01-19 | 上海星沿工业智能科技有限公司 | Small-sized material moving self-navigation vehicle |
-
2007
- 2007-01-29 CN CNU2007200029024U patent/CN2937079Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103723420A (en) * | 2014-01-16 | 2014-04-16 | 浙江中烟工业有限责任公司 | Device for carrying filter stick solid material discs |
| CN103723420B (en) * | 2014-01-16 | 2016-07-06 | 浙江中烟工业有限责任公司 | A kind of Handling device of filter stick reality charging tray |
| CN108316165A (en) * | 2018-03-29 | 2018-07-24 | 曾美枝 | Bus device on a kind of wheelchair |
| CN109650020A (en) * | 2018-12-07 | 2019-04-19 | 横店集团英洛华电气有限公司 | Wheel-chair winding platform |
| CN112238908A (en) * | 2019-07-19 | 2021-01-19 | 上海星沿工业智能科技有限公司 | Small-sized material moving self-navigation vehicle |
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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: 20070822 Termination date: 20100129 |