CN202766049U - Lifting device - Google Patents
Lifting device Download PDFInfo
- Publication number
- CN202766049U CN202766049U CN 201220455709 CN201220455709U CN202766049U CN 202766049 U CN202766049 U CN 202766049U CN 201220455709 CN201220455709 CN 201220455709 CN 201220455709 U CN201220455709 U CN 201220455709U CN 202766049 U CN202766049 U CN 202766049U
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- Prior art keywords
- crane
- gear
- sided rack
- lifting
- transmission
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- Expired - Lifetime
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Abstract
The utility model discloses a lifting device which comprises a lifting frame and a lifting mechanism driving the lifting frame to move. The lifting mechanism comprises a double sided rack, a transmission box and a speed reducer driven by an electromotor. The double sided rack is perpendicular to a side face of the lifting rack, and the transmission box is also arranged at the side face of the lifting frame corresponding to the position of the double sided rack. A pair of climbing gears arranged on two parallel output shafts of the transmission box is meshed with the double sided gear, and an output shaft of the speed reducer is connected with an input shaft of the transmission box. The pattern of and the double side climbing of the double sided rack and the gears is adopted by the lifting mechanism of the lifting device, reverse thrust generated when the gears climb is effectively counteracted and the meshing accuracy of the gears and the rack is ensured, and the stable running performance and the safety performance of the lifting device when lifting heavy goods are comprehensively improved.
Description
Technical field
The utility model relates to a kind of jacking system, is specifically related to a kind of jacking system for the lifting heavy wares.
Background technology
The jacking system that is used for the lifting heavy wares in the middle of existing, such as elevator hoist apparatus, publication number is the patent of invention of CN1522220A, it comprises 2 groups of winchs, the rotating control setup of control winch, be wound on the rope on the position of subtend between 2 groups of winchs and be connected to cage and bob-weight on the rope ends, it can be by optionally making respectively 2 groups of winch revolutions or stopping to make cage and bob-weight to carry out lifting, but this mode that is driven cage and bob-weight lifting by winch by rope, application force to rope is very large, and only rely on cable traction cage and bob-weight, the long-term use, can cause the wearing and tearing of rope and rupture, cause the generation safety misadventure.Also having publication number is the patent of invention of CN102295211A, it comprises cage, motor, the cage both sides are perpendicular to the screw rod on ground, be connected with motor and impel screw rod synchronous, synchronized and homodromal transmission device, the opening nut that can be stuck in screw rod and be engaged with, it utilizes cooperating of screw rod and opening nut, drives cage and moves up and down along the screw rod perpendicular to ground, has solved the problem that ruptures because of the wearing and tearing of rope and has occured, but the hoisting depth of screw rod is limited, when arriving certain height, the torsion that screw rod is subject to is large, and at this moment screw rod is easy to fracture, cage drives operation by the motor-driven screw rod in addition, produce very large heat energy, accelerated the wearing and tearing to screw rod, the long-term use can produce skidding, cause potential safety hazard, and its propulsive effort energy consumption is large.
The utility model content
Technical problem to be solved in the utility model provides stable, the safe jacking system of a kind of lifting.
For solving the problems of the technologies described above, the jacking system of the utility model design, comprise crane and drive the lifting mechanism that crane moves, described lifting mechanism comprises the two-sided rack, transmission gearbox and electric motor driven retarder, and described the two-sided rack is vertically to the crane side and arranges; Corresponding with the two-sided rack position, described transmission gearbox also arranges in the crane side, a pair of climbing gear on transmission gearbox two parallel output shafts and the two-sided rack engagement, the input shaft of described reducer output shaft connection for transmission case.Described the two-sided rack also can be the opposing formation of the flank of tooth of two single-side racks.Lifting mechanism of the present utility model adopts the two-sided rack, the two-way mode of climbing of gear, effectively offset the deboost that produces when gear climbs and the engagement accuracy rate of guaranteeing wheel and rack, when lifting or decline weight, guarantee the stability and the safety that move.
The input shaft of the described transmission gearbox of such scheme two driving gears that can coaxially be connected, one of driving gear with one of climbing gear engagement, another driving gear and gear broad in the middle engagement, described gear broad in the middle and reversing gear engagement, described reversing gear is connected with another climbing gear is coaxial.
Described two driving gears of such scheme, a pair of climbing gear and reversing gear can be the gear of same size.
The described crane of such scheme can also comprise counterweight, and described each counterweight is connected with crane by the pulley rope of being located at the crane top.
In order further to improve Operation safety, described lifting mechanism can comprise two the two-sided racks, two transmission gearboxs and electric motor driven retarder, and described the two-sided rack is vertically to the crane both sides and arranges; Corresponding with the two-sided rack position, described transmission gearbox also arranges in the crane both sides, a pair of climbing gear on transmission gearbox two parallel output shafts and the two-sided rack engagement, described retarder is located between two transmission gearboxs, and retarder two ends output shaft is by the input shaft of transmission shaft difference connection for transmission case.
The described crane of such scheme can also comprise the both sides counterweight, and described each counterweight is connected with crane by the pulley rope of being located at top, crane both sides.
The described crane of such scheme can be cage, and described cage and lifting mechanism all are positioned at elevator hoistways, and described the two-sided rack is vertically to the elevator hoistways left and right sides and arranges.
Compare with existing design, the utlity model has following advantage:
1, lifting mechanism adopts the two-sided rack, the two-way mode of climbing of gear, effectively offset the deboost that produces when gear climbs and the engagement accuracy rate of guaranteeing wheel and rack, solve in the prior art because of the generation of the disconnected falling accident of restricting and fugitiveness that individual gears is climbed and the limited problem of hoisting depth of screw rod, stable performance and safety performance when improving the lifting weight comprehensively;
2, load-carrying mechanism adopts the counterweight mode, and load was positive carry when the counterweight ratio was selected rising, and load can reduce energy consumption 75% for negative matching well of loading during decline, has adopted the counterweight mode to operate safer, moves more stable.
Description of drawings
The structural representation of Fig. 1 the utility model jacking system;
Fig. 2 is the structural representation of lifting mechanism;
Fig. 3 is the structural representation of climbing gear and the two-sided rack engagement;
Fig. 4 is the cutaway view of transmission gearbox;
Number in the figure is: 1, crane; 1-1, counterweight; 2, the two-sided rack; 3, transmission gearbox; 3-1, climbing gear; 3-2, driving gear; 3-3, big gear wheel; 3-4, reversing gear; 3-5, input shaft; 4, retarder.
The specific embodiment
A kind of jacking system of the utility model, shown in Fig. 1,2,3,4, comprise crane 1 and drive the lifting mechanism that crane 1 moves, described lifting mechanism comprises the two-sided rack 2, transmission gearbox 3 and electric motor driven retarder 4, and described the two-sided rack 2 is vertically to crane 1 side and arranges; Corresponding with the two-sided rack 2 positions, described transmission gearbox 3 also arranges in crane 1 side, a pair of climbing gear 3-1 on 3 liang of parallel output shafts of transmission gearbox and the two-sided rack 2 engagements, the input shaft 3-5 of described retarder 4 output shaft connection for transmission casees 3.
The two-sided rack 2 of the present utility model and transmission gearbox 3, can be arranged on a side, both sides of crane 1 etc., in order further to improve Operation safety, in this preferred implementation, described lifting mechanism comprises two the two-sided racks 2, two transmission gearboxs 3 and electric motor driven retarder 4, and described the two-sided rack 2 is vertically to crane 1 both sides and arranges; Corresponding with the two-sided rack 2 positions, described transmission gearbox 3 also arranges in crane 1 both sides, a pair of climbing gear 3-1 on 3 liang of parallel output shafts of transmission gearbox and the two-sided rack 2 engagements, described retarder 4 is located between two transmission gearboxs 3, and retarder 4 two ends output shafts are by the input shaft 3-5 of transmission shaft difference connection for transmission case 3.
Shown in Fig. 2,3,4, the coaxial two driving gear 3-2 that are connected of the input shaft 3-5 of described transmission gearbox 3, one of driving gear 3-2 with one of climbing gear 3-1 engagement, another driving gear 3-2 and gear 3-3 broad in the middle engagement, described gear 3-3 broad in the middle and reversing gear 3-4 engagement, described reversing gear 3-4 and coaxial being connected of another climbing gear 3-1.Described two driving gear 3-2, a pair of climbing gear 3-1 and reversing gear 3-4 are the gear of same size.
As shown in Figure 1, described crane 1 also comprises both sides counterweight 1-1, and described each counterweight 1-1 is connected with crane 1 by the pulley rope of being located at top, crane 1 both sides.Also be provided with counterweight 1-1 track in the both sides of correspondence, counterweight 1-1 moves up and down along counterweight 1-1 track.
Jacking system of the present utility model is used as the lifting of heavy device, and such as the lifting of the vehicle lifting in the multi-storied garage, elevator etc., in this preferred implementation, jacking system is used for the lifting of elevator.Described crane 1 is cage, and described cage and lifting mechanism all are positioned at elevator hoistways, and described the two-sided rack 2 is vertically to the elevator hoistways left and right sides and arranges.The automation mode is adopted in elevator operation, when main control system sends action command, and 4 operations of direct motor drive retarder, driving gear 3-2 rotates, and drives climbing gear 3-1 and climb, and then orders about cage and rise or descend, and realizes the operation function of elevator.
Claims (7)
1. jacking system, comprise crane (1) and drive the lifting mechanism that crane (1) moves, it is characterized in that: described lifting mechanism comprises the two-sided rack (2), transmission gearbox (3) and electric motor driven retarder (4), and described the two-sided rack (2) is vertically to crane (1) side and arranges; Corresponding with the two-sided rack (2) position, described transmission gearbox (3) also arranges in crane (1) side, a pair of climbing gear (3-1) on transmission gearbox (3) two parallel output shafts and the two-sided rack (2) engagement, the input shaft (3-5) of described retarder (4) output shaft connection for transmission case (3).
2. jacking system according to claim 1, it is characterized in that: coaxial two driving gears (3-2) that are connected of the input shaft (3-5) of described transmission gearbox (3), one of driving gear (3-2) with one of climbing gear (3-1) engagement, another driving gear (3-2) and gear broad in the middle (3-3) engagement, described gear broad in the middle (3-3) and reversing gear (3-4) engagement, described reversing gear (3-4) and coaxial being connected of another climbing gear (3-1).
3. jacking system according to claim 2, it is characterized in that: described two driving gears (3-2), a pair of climbing gear (3-1) and reversing gear (3-4) are the gear of same size.
4. the described jacking system of any one according to claim 1～3 is characterized in that: described crane (1) also comprises counterweight (1-1), and described each counterweight (1-1) is connected with crane (1) by the pulley rope of being located at crane (1) top.
5. the described jacking system of any one according to claim 1～3, it is characterized in that: described lifting mechanism comprises two the two-sided racks (2), two transmission gearboxs (3) and electric motor driven retarder (4), and described the two-sided rack (2) is vertically to crane (1) both sides and arranges; Corresponding with the two-sided rack (2) position, described transmission gearbox (3) also arranges in crane (1) both sides, a pair of climbing gear (3-1) on transmission gearbox (3) two parallel output shafts and the two-sided rack (2) engagement, described retarder (4) is located between two transmission gearboxs (3), and retarder (4) two ends output shaft is by the input shaft (3-5) of transmission shaft difference connection for transmission case (3).
6. jacking system according to claim 5, it is characterized in that: described crane (1) also comprises both sides counterweight (1-1), described each counterweight (1-1) is connected with crane (1) by the pulley rope of being located at top, crane (1) both sides.
7. jacking system according to claim 6 is characterized in that: described crane (1) is cage, and described cage and lifting mechanism all are positioned at elevator hoistways, and described the two-sided rack (2) is vertically to the elevator hoistways left and right sides and arranges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220455709 CN202766049U (en) | 2012-09-07 | 2012-09-07 | Lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220455709 CN202766049U (en) | 2012-09-07 | 2012-09-07 | Lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202766049U true CN202766049U (en) | 2013-03-06 |
Family
ID=47772638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220455709 Expired - Lifetime CN202766049U (en) | 2012-09-07 | 2012-09-07 | Lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202766049U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102826482A (en) * | 2012-09-07 | 2012-12-19 | 陈祖昆 | Lifting device |
| CN104276484A (en) * | 2014-10-29 | 2015-01-14 | 陈祖昆 | Lifting transmission device |
| CN105621211A (en) * | 2016-03-24 | 2016-06-01 | 苗健 | Lifting type elevator |
| CN106044496A (en) * | 2016-07-28 | 2016-10-26 | 廖忠民 | Symmetrical drive gear and rack type elevator |
| CN106044474A (en) * | 2016-07-28 | 2016-10-26 | 廖忠民 | Pinion-and-rack type elevator with main transmitting of synchronous belts and symmetric driving |
| CN106241572A (en) * | 2016-07-28 | 2016-12-21 | 廖忠民 | Balanced drive Gear-and-rack elevator |
| CN106694557A (en) * | 2016-08-17 | 2017-05-24 | 天津电气科学研究院有限公司 | Control system for core rod stop trolleys of seamless steel tube continuous rolling mills and control method thereof |
| CN109179154A (en) * | 2018-08-24 | 2019-01-11 | 上海通彩机器人有限公司 | A kind of lifting device of high reliability |
| CN109516332A (en) * | 2018-12-12 | 2019-03-26 | 宁津汇丰***有限公司 | A kind of anti-fall string bag of carriage |
-
2012
- 2012-09-07 CN CN 201220455709 patent/CN202766049U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102826482A (en) * | 2012-09-07 | 2012-12-19 | 陈祖昆 | Lifting device |
| CN102826482B (en) * | 2012-09-07 | 2015-05-13 | 陈祖昆 | Lifting device |
| CN104276484A (en) * | 2014-10-29 | 2015-01-14 | 陈祖昆 | Lifting transmission device |
| CN105621211A (en) * | 2016-03-24 | 2016-06-01 | 苗健 | Lifting type elevator |
| CN106044496A (en) * | 2016-07-28 | 2016-10-26 | 廖忠民 | Symmetrical drive gear and rack type elevator |
| CN106044474A (en) * | 2016-07-28 | 2016-10-26 | 廖忠民 | Pinion-and-rack type elevator with main transmitting of synchronous belts and symmetric driving |
| CN106241572A (en) * | 2016-07-28 | 2016-12-21 | 廖忠民 | Balanced drive Gear-and-rack elevator |
| CN106694557A (en) * | 2016-08-17 | 2017-05-24 | 天津电气科学研究院有限公司 | Control system for core rod stop trolleys of seamless steel tube continuous rolling mills and control method thereof |
| CN109179154A (en) * | 2018-08-24 | 2019-01-11 | 上海通彩机器人有限公司 | A kind of lifting device of high reliability |
| CN109516332A (en) * | 2018-12-12 | 2019-03-26 | 宁津汇丰***有限公司 | A kind of anti-fall string bag of carriage |
| CN109516332B (en) * | 2018-12-12 | 2020-06-12 | 浙江鲸叹科技有限公司 | Cage anti-falling net bag |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130306 Effective date of abandoning: 20150513 |
|
| RGAV | Abandon patent right to avoid regrant |