CN203127969U - Construction lift transmission device allowing intermediate gears to be meshed with rack - Google Patents
Construction lift transmission device allowing intermediate gears to be meshed with rack Download PDFInfo
- Publication number
- CN203127969U CN203127969U CN 201220604237 CN201220604237U CN203127969U CN 203127969 U CN203127969 U CN 203127969U CN 201220604237 CN201220604237 CN 201220604237 CN 201220604237 U CN201220604237 U CN 201220604237U CN 203127969 U CN203127969 U CN 203127969U
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- Prior art keywords
- gear
- adapter plate
- rack
- transmission device
- transmission
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 63
- 238000010276 construction Methods 0.000 title abstract 3
- 239000000463 material Substances 0.000 abstract description 2
- 230000000712 assembly Effects 0.000 abstract 2
- 238000000429 assembly Methods 0.000 abstract 2
- 238000009434 installation Methods 0.000 abstract 2
- 238000005299 abrasion Methods 0.000 abstract 1
- 230000033001 locomotion Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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Abstract
A construction lift transmission device allowing intermediate gears to be meshed with a rack is characterized by being composed of a transmission mechanism, a mechanism installation board, a gear and rack meshing system, backgear assemblies, a transmission frame and the like, wherein the transmission mechanism, the gear and rack meshing system and the backgear assemblies are installed on the mechanism installation board which is connected with the transmission frame in a floating mode, the transmission frame is used for hanging and dragging a lift cage and moves in the vertical direction along a guide rail bracket of a lift under the action of the gear and rack meshing system and with the aid of a guide wheel assembly, and the purpose of conveying of people and materials is achieved. A driving gear is not directly meshed with the rack in a single-tooth mode, but is indirectly meshed with the rack through the two intermediate gears, stress is dispersed, and the transmission frame drags all loads exerted on the transmission frame and drives the lift to go up and down. The construction lift transmission device changes single-tooth driving centralized stress conditions in existing transmission schemes, lowers contact stress of tooth surfaces, and achieves the purposes that abrasion of the gears and the rack is reduced and working conditions of the transmission device are improved.
Description
Technical field
The utility model relates to the building hoist driving device of a kind of carrier gear and tooth bar engagement, belongs to building handling machinery technical field.
Background technology
The driving device of building hoist can be divided into inhead type and built-in two kinds of forms according to its residing position, built-in driving device directly is installed between interior two root posts of cage, during work, directly drive cage and do the vertical direction run action along (guide rail bracket) standard knot, the inhead type driving device then is that whole transmission device is moved on to the cage top, implement to be connected by two bearing pins and cage, drag cage by two bearing pins during work and do the vertical direction run action along (guide rail bracket) standard knot, reach the purpose of the personnel of transporting and material.
Existing transmission scheme all is monodentate engagement drive schemes, owing to be the monodentate engagement, Contact Stress of Gear is bigger, wearing and tearing between the flank of tooth are very fast, if it is improper to adjust, will certainly influence the service life of equipment, when the backlash between the wheel and rack surpasses specified value, cause the slippage of non-pure rolling easily, and supervene chatter phenomena.
The utility model content
The purpose of this utility model is in order to change the present situation that the reductor output gear is direct and the tooth bar monodentate meshes in the middle of the existing building hoist transmission device, Drive pinion is not direct and the engagement of tooth bar monodentate, but indirectly by two carrier gears (being commonly called as idle pulley) and tooth bar engagement, reach the purpose that drives the elevator up-and-down movement.The utility model adopts following technical scheme to realize its purpose:
The building hoist driving device of a kind of carrier gear and tooth bar engagement comprises transmission device (3), the adapter plate of transmission device (5), the rack-and-gear engagement systems, backgear assembly (4) and gear frame, it is characterized in that: wherein said rack-and-gear engagement systems comprises carrier gear (9), binding bolt (12) and tooth bar (1), described gear frame comprises transmission support body (6), buffer rubber gasket (2) and fastening otic placode (11), described transmission device (3) comprises tie bolt and retarder, the mouth that is anchored in the transmission device (3) on the adapter plate (5) also is provided with driven wheel (10) and output shaft (15), driven wheel (10) is installed on the output shaft (15) of reductor, driven wheel (10) meshes with two carrier gears (9) that equicrural triangle is arranged, two carrier gears (9) are installed and are anchored on the adapter plate (5), and indirect and tooth bar (1) engagement respectively, described gear frame is provided with transmission support body (6), all load on the transmission support body (6) are delivered to two carrier gears (9) by adapter plate (5) and by driven wheel (10), be delivered to respectively then on the tooth bar (1) on the guide rail bracket that is anchored on standard knot, tooth bar (1) in its engagement place is respectively equipped with a cover backgear assembly (4) behind, and described backgear assembly is installed on the adapter plate by tie bolt; The adapter plate (5) that transmission device has been installed is fixed on the fastening otic placode (11) of transmission support body (6) by four binding bolts (12), binding bolt (12) is equipped with a binding bolt cover (13) with the junction of adapter plate (5), the external diameter of binding bolt cover (13) is than the little 5mm of connecting bore of adapter plate (5), and transmission support body (6) is provided with buffer rubber gasket (2).
Described transmission device comprises electrical motor, tie bolt, plum blossom plunging joint and the reductor of self band brake, the starting point of transmission device is that electrical motor is installed on the reductor by the tie bolt cantilevered, the output shaft of electrical motor and the input shaft of reductor have been installed the connector of plum blossom plunging joint respectively, be in coupling transmitting torque state, reductor relies on tie bolt to be anchored on the adapter plate.
Described transmission device adapter plate is made up of adapter plate, binding bolt, binding bolt cover, flat gasket, and whole transmission device adapter plate is installed on the transmission support body together with transmission device.
Described rack-and-gear engagement systems comprises output driven gear, flat key, retaining nut, stay, carrier gear (being commonly called as idle pulley), binding bolt, driven gear shaft, bearing, driven gear axle sleeve, shaft end ring, spring cotter, jam nut and the tooth bar of reductor, two carrier gears (9) are installed and are anchored on the adapter plate (5), driven wheel is not direct and the engagement of tooth bar monodentate, but by the indirect and tooth bar engagement of carrier gear (being commonly called as idle pulley) that two equicrural triangles are arranged, reach the purpose that drives the elevator up-and-down movement.
Tooth bar in the engagement place is provided with a cover backgear assembly behind respectively, described backgear assembly is installed on the adapter plate by tie bolt, thereby being used for restriction causes idle pulley away from tooth bar because idle pulley and tooth bar mesh the horizontal direction component that produces, can adjust the back lash of idle pulley and tooth bar on the one hand, a counter-force can be provided on the other hand, the horizontal direction component that produces when balance idle pulley and tooth bar engagement forms a closed loop stress system.
Described gear frame comprises transmission support body, buffer rubber gasket, fastening otic placode and guide wheel assembly, fastening otic placode is welded on the transmission support body, the transmission support body is provided with buffer rubber gasket, rated load, cage deadweight, the deadweight of transmission support body and other load pass to adapter plate by binding bolt during work, pass to tooth bar by the transmission device that is mounted thereon by the rack-and-gear engagement systems again.
Principle of work of the present utility model is:
When being anchored on the transmission device work on the adapter plate, electrical motor rotates, driving reductor by the plum blossom plunging joint simultaneously rotates, its output shaft rotates together with the driven wheel that connects thereon by flat key, driven wheel is not direct and the engagement of tooth bar monodentate, but by two equicrural triangles arrange carrier gears (being commonly called as idle pulley) indirectly with the tooth bar engagement, drag all and act on load on the gear frame, reach the purpose of driving elevator up-and-down movement.
Compare with existing similar transmission scheme, the beneficial effects of the utility model are:
Changed the concentrated stressed rack-and-gear engagement of monodentate driving situation in the type building hoist transmission scheme, disperseed stressedly, improved the service conditions of transmission device effectively, reduced Contact Stress of Gear, prolong the service life of rack-and-gear, thereby improve its reliability.
Can be used in the building hoist driving device of rack-and-gear type of drive.
Description of drawings
Fig. 1 is overall structure scheme drawing of the present utility model.
Fig. 2 is the birds-eye view of Fig. 1.
Fig. 3 is that the B of Fig. 2 is to enlarged drawing.
Fig. 4 is the A-A profile of Fig. 1.
Fig. 5 is the C-C section rotation enlarged drawing of Fig. 1.
Fig. 6 is the D-D profile of Fig. 1.
Fig. 7 is that the F of Fig. 1 is to partial enlarged view.
Fig. 8 is the E-E partial enlarged view of Fig. 1.
Among the figure:
1-tooth bar 2-buffer rubber gasket 3-transmission device
4-backgear assembly 5-adapter plate 6-transmission support body
7-flat gasket 8-guide wheel assembly 9-carrier gear (being commonly called as idle pulley)
The fastening otic placode 12-of 10-driven wheel 11-binding bolt
13-binding bolt cover 14-reductor 15-output shaft
16-flat key 17-retaining nut 18-stay
19-bolt 20-driven gear shaft 21-bearing
22-driven gear axle sleeve 23-shaft end ring 24-spring cotter
25-jam nut 26-electrical motor 27-plum blossom plunging joint
28-tie bolt 29-binding bolt
The specific embodiment:
As shown in the figure, comprise the building hoist driving device of a kind of carrier gear and tooth bar engagement, it is characterized in that transmission scheme comprises parts such as the adapter plate, rack-and-gear engagement systems, backgear assembly, gear frame of transmission device, transmission device.
Described transmission device comprises that electrical motor 26, plum blossom plunging joint 27, tie bolt 28, the reductor 14 of self band brake form, electrical motor 26 is installed on the reductor 14 by tie bolt 28 cantilevereds, the input shaft of its output shaft 15 and reductor 14 relies on plum blossom plunging joint 27 to carry out elasticity coupling connection, reach the purpose of transmitting moment of torsion, reductor 14 is anchored on the adapter plate 5 of transmission device by bolt 19.The adapter plate 5 of described transmission device comprises adapter plate, binding bolt 12, binding bolt cover 13 and flat gasket 7.Described rack-and-gear engagement systems comprises driven wheel 10, flat key 16, retaining nut 17, stay 18, carrier gear (being commonly called as idle pulley) 9, bolt 19, driven gear shaft 20, bearing 21, driven gear axle sleeve 22, shaft end ring 23, spring cotter 24, jam nut 25 and tooth bar 1.Backgear assembly 4 is installed on the adapter plate 5.Gear frame comprises transmission support body 6, buffer rubber gasket 2, fastening otic placode 11 and guide wheel assembly 8.
One cover is anchored on and drives reductor 14 when electrical motor 26 in the transmission device 3 on the adapter plate 5 rotates and rotate, its output shaft 15 rotates together with the driven wheel 10 that connects thereon by flat key 16, by flat key 16 moment of torsion is passed, its axle head uses retaining nut 17 and stay 18 lockings, prevent that driven wheel 10 from coming off, driven wheel 10 is directly with tooth bar 1 engagement but mesh with two carrier gears (being commonly called as idle pulley) 9 that the equicrural triangle that is anchored on the adapter plate 5 is arranged, two carrier gears 9 are by bolt 19, driven gear shaft 20, bearing 21, driven gear axle sleeve 22, shaft end ring 23 is installed and is anchored on the adapter plate 5, with spring cotter 24 and jam nut 25 lockings, to prevent that it from coming off, two carrier gears (be commonly called as and claim idle pulley) 9 are implemented engagement with tooth bar 1 respectively, for stoping the horizontal direction component that produces because of engagement to cause carrier gear (being commonly called as idle pulley) 9 away from tooth bar 1, tooth bar in its engagement place arranges a cover backgear assembly 4 behind respectively, forms a closed loop stress system.During work, all load that act on the transmission support body 6 pass to two carrier gears (being commonly called as idle pulley) 9 by adapter plate 5 and by driven wheel 10, be delivered to respectively then on the tooth bar 1 on the guide rail bracket that is anchored on standard knot, realize positive and negative effective transmission of power, finally drive cage and do the above-below direction motion.
Claims (1)
1. the building hoist driving device of a carrier gear and tooth bar engagement comprises transmission device (3), the adapter plate of transmission device (5), the rack-and-gear engagement systems, backgear assembly (4) and gear frame, it is characterized in that: wherein said rack-and-gear engagement systems comprises carrier gear (9), binding bolt (12) and tooth bar (1), described gear frame comprises transmission support body (6), buffer rubber gasket (2) and fastening otic placode (11), described transmission device (3) comprises tie bolt and retarder, the mouth that is anchored in the transmission device (3) on the adapter plate (5) also is provided with driven wheel (10) and output shaft (15), driven wheel (10) is installed on the output shaft (15) of reductor, driven wheel (10) meshes with two carrier gears (9) that equicrural triangle is arranged, two carrier gears (9) are installed and are anchored on the adapter plate (5), and indirect and tooth bar (1) engagement respectively, described gear frame is provided with transmission support body (6), all load on the transmission support body (6) are delivered to two carrier gears (9) by adapter plate (5) and by driven wheel (10), be delivered to respectively then on the tooth bar (1) on the guide rail bracket that is anchored on standard knot, tooth bar (1) in its engagement place is respectively equipped with a cover backgear assembly (4) behind, and described backgear assembly is installed on the adapter plate by tie bolt; The adapter plate (5) that transmission device has been installed is fixed on the fastening otic placode (11) of transmission support body (6) by four binding bolts (12), binding bolt (12) is equipped with a binding bolt cover (13) with the junction of adapter plate (5), the external diameter of binding bolt cover (13) is than the little 5mm of connecting bore of adapter plate (5), and transmission support body (6) is provided with buffer rubber gasket (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220604237 CN203127969U (en) | 2012-11-16 | 2012-11-16 | Construction lift transmission device allowing intermediate gears to be meshed with rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220604237 CN203127969U (en) | 2012-11-16 | 2012-11-16 | Construction lift transmission device allowing intermediate gears to be meshed with rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203127969U true CN203127969U (en) | 2013-08-14 |
Family
ID=48935967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220604237 Expired - Lifetime CN203127969U (en) | 2012-11-16 | 2012-11-16 | Construction lift transmission device allowing intermediate gears to be meshed with rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203127969U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106838177A (en) * | 2015-02-16 | 2017-06-13 | 王春爱 | A kind of bulk goods hopper |
| CN108223733A (en) * | 2018-03-13 | 2018-06-29 | 重庆睿恩光电子有限责任公司 | A kind of elevating mechanism |
| CN111746814A (en) * | 2020-06-30 | 2020-10-09 | 西安航空职业技术学院 | Unmanned aerial vehicle aerial survey is with shooting device |
-
2012
- 2012-11-16 CN CN 201220604237 patent/CN203127969U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106838177A (en) * | 2015-02-16 | 2017-06-13 | 王春爱 | A kind of bulk goods hopper |
| CN108223733A (en) * | 2018-03-13 | 2018-06-29 | 重庆睿恩光电子有限责任公司 | A kind of elevating mechanism |
| CN108223733B (en) * | 2018-03-13 | 2023-07-14 | 睿恩光电有限责任公司 | Lifting mechanism |
| CN111746814A (en) * | 2020-06-30 | 2020-10-09 | 西安航空职业技术学院 | Unmanned aerial vehicle aerial survey is with shooting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130814 |
|
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Hu Lang Document name: Notice of Expiration and Termination of Patent Right |