CN203082167U - Elevator gear rack transmission mechanism and adjustable elastic backrest wheel device - Google Patents
Elevator gear rack transmission mechanism and adjustable elastic backrest wheel device Download PDFInfo
- Publication number
- CN203082167U CN203082167U CN 201220729159 CN201220729159U CN203082167U CN 203082167 U CN203082167 U CN 203082167U CN 201220729159 CN201220729159 CN 201220729159 CN 201220729159 U CN201220729159 U CN 201220729159U CN 203082167 U CN203082167 U CN 203082167U
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- clutch
- base plate
- top board
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Abstract
The utility model provides an elevator gear rack transmission mechanism which comprises a transmission plate fixed on a rack, a plurality of gears installed on the transmission plate in a rotating mode, racks matched with the gears, and an adjustable elastic backrest wheel device. The adjustable elastic backrest wheel device comprises a backrest wheel, a backrest wheel bottom plate, pressing plates, a rubber plate, a small plate and a top plate. The backrest wheel is fixed on the backrest wheel bottom plate in a rotating mode. The upper end and the lower end of the backrest wheel bottom plate are respectively pressed by the pressing plates. The other half of each pressing plate is locked and fixed on the transmission plate through a screw. The backrest wheel bottom plate can move horizontally under the pressing plates. The backrest wheel bottom plate is arranged between the racks and the U-shaped top plate. The small plate is arranged on the bottom of an opening of the top plate. The rubber plate is arranged outside the small plate. The outer end face of the rubber plate protrudes out of the outer end face of the top plate and abuts against the backrest wheel bottom plate. The utility model further provides the adjustable elastic backrest wheel device. Stable gaps of the gears and the racks can be guaranteed, the racks can be restored automatically, surface finish and hardness of the racks are improved, contact areas of the gears and the racks are increased, and safe reliability is good.
Description
Technical field
The utility model relates to a kind of driving mechanism, specifically is a kind of elevator rack rack gear and use therein clutch structure.
Background technique
Existing driving mechanism comprises the driver plate that is fixed on the frame, is rotatably installed in the plurality of gears on the driver plate, the tooth bar that matches with gear, and is rotatably installed in the clutch that is positioned at the tooth bar back side on the driver plate.SC(D) motion of type lift is rolled on tooth bar by the drive unit actuation gear, makes rotation motion become the straight line motion up and down of lift.The kind of drive is because gear and tooth bar foozle now, there is the gap between gear and the tooth bar, straightness error vibrates in movement process intermediate gap instability generation after the track integral installation, therefore to gear, the life-span and the complete machine stability of tooth bar all have a significant impact, and speed-raising also has been subjected to certain restriction.
The existing clutch that uses be fixedly do not have flexible.Driving mechanism rotates by gear and moves in orbit up and down along tooth bar, and tooth bar is between gear and rigidity clutch.The gap is adjusted too smallly between gear rack and rigidity clutch, and impurity and dust are arranged in running, and tooth bar, gear error, installation straightness error, tooth bar are connected the reason that misplaces or the like with tooth bar all can cause device damage.The gap is adjusted excessively between gear rack and rigidity clutch, and vibrations in service will increase, and will significantly reduce life of equipment.
The model utility content
One of the technical problems to be solved in the utility model provides and a kind ofly can greatly improve stable equipment operation, prolongs the elevator rack rack gear of service life of equipment.
Two of the technical problems to be solved in the utility model provides the can regulate elasticity clutch device that uses in a kind of elevator rack rack gear, certain elastic force can be regulated and have to can regulate elasticity clutch within the specific limits, be used to compensate gear and tooth bar motion intermediate gap, thereby greatly improve stable equipment operation, prolong service life of equipment.
The utility model is what one of to solve the problems of the technologies described above by the following technical solutions: a kind of elevator rack rack gear, comprise the driver plate that is fixed on the frame, be rotatably installed in the plurality of gears on the driver plate, the tooth bar that matches with gear, and can regulate elasticity clutch device, described can regulate elasticity clutch device comprises clutch, the clutch base plate, pressing plate, rubber plate, platelet, top board, what described clutch rotated is fixed on the clutch base plate, the two ends up and down of described clutch base plate are being pressed by pressing plate respectively, half is pressing the clutch base plate pressing plate, second half locks on driver plate by screw, the clutch base plate can be below pressing plate move left and right, the clutch base plate is between the top board of a tooth bar and a U type, the top board opening is over against the clutch base plate, the open bottom of top board is placed described platelet, rubber plate is placed in the platelet outside, the exterior edge face of top board is protruded in the exterior edge face of rubber plate, and is tight against the clutch base plate.
As the scheme of optimization, described elevator rack rack gear comprises that also first regulates bolt, the second adjusting bolt, screws in the clutch base plate after the first adjusting bolt passes top board, platelet, rubber plate, is against on the platelet after the second adjusting bolt passes top board.
As the scheme of further optimization, the described first adjusting bolt is one, and described second regulates bolt 2, and second regulates the both sides up and down that bolt lays respectively at the first adjusting bolt.
An embodiment as clutch, comprise foreign steamer, ball bearing, axle, lubricating cup, first back-up ring, second back-up ring, dust cover, and outside framework oil seal, described foreign steamer is fixed on the outer of ball bearing and blocks, the axle be fixed on ball bearing in block, the axle top is provided with lubricating cup, the oil of lubricating cup leads to ball bearing by oil circuit, pass through first retaining ring sealing between the upper-end surface of described ball bearing and the axle, pass through second retaining ring sealing between the upper and lower end face of ball bearing and the foreign steamer, between the foreign steamer of the second back-up ring outside and the axle described outside framework oil seal is installed, dust cover covers above axle, is positioned at the inner ring of foreign steamer.
A preferred embodiment as clutch, described clutch comprises foreign steamer, needle roller, axle, lubricating cup, oil sealing, interstage sleeve, between described foreign steamer and the axle is needle roller, the axle top is provided with lubricating cup, oil in the lubricating cup leads to needle roller by oil circuit, the containing space upper and lower of needle roller is provided with oil sealing, is with interstage sleeve outside the lower end of axle, interstage sleeve and axle interference fit.
The utility model be solve the problems of the technologies described above by the following technical solutions two: a kind of can regulate elasticity clutch device, comprise clutch, the clutch base plate, pressing plate, rubber plate, platelet, top board, what described clutch rotated is fixed on the clutch base plate, the two ends up and down of described clutch base plate are being pressed by pressing plate respectively, half is pressing the clutch base plate pressing plate, second half locks on driver plate by screw, the clutch base plate can be below pressing plate move left and right, the clutch base plate is between the top board of a tooth bar and a U type, the top board opening is over against the clutch base plate, the open bottom of top board is placed described platelet, rubber plate is placed in the platelet outside, the exterior edge face of top board is protruded in the exterior edge face of rubber plate, and is tight against the clutch base plate.
As an optimal way of can regulate elasticity clutch device, also be provided with cover plate in described top board outside, cover top board, rubber plate and platelet.
Advantage of the present utility model is: can regulate elasticity clutch device guarantees gear and the stable gap of tooth bar, tooth bar is repaired automatically, improve rack surface degree of finish and hardness, increase the gear rack area of contact, safety reliability is better, greatly improve stable equipment operation, significantly improved the working life of equipment.
Description of drawings
Fig. 1 is the whole connection diagram of the utility model elevator rack rack gear.
Fig. 2 is the structural drawing of the can regulate elasticity clutch device in the utility model, wherein shows gear and tooth bar in the lump.
Fig. 3 is the structural drawing of a kind of clutch of using in the can regulate elasticity clutch device.
Fig. 4 is the structural drawing of the another kind of clutch that uses in the can regulate elasticity clutch device.
Embodiment
See also shown in Figure 1ly, the utility model driving mechanism comprises the driver plate 1 that is fixed on the frame, is rotatably installed in the plurality of gears 2 on the driver plate 1, the tooth bar 3 that matches with gear 2, and can regulate elasticity clutch device 4.
Consult shown in Figure 2ly simultaneously, described can regulate elasticity clutch device 4 comprises that 47,1 first of clutch 41, clutch base plate 42, pressing plate 43, rubber plate 44, platelet 45, top board 46, cover plate regulate 48,2 second on bolt and regulate bolt 49.
What described clutch 41 rotated is fixed on the clutch base plate 42.Described clutch 41 can adopt the clutch of existing various structures.
The two ends up and down of described clutch base plate 42 are being pressed by a pressing plate 43 respectively, and half is pressing clutch base plate 42 pressing plate 43, second half by the screw locking on driver plate 1.Therefore, clutch base plate 42 can be below pressing plate 43 move left and right.
Clutch base plate 42 is between the top board 46 of a tooth bar 3 and a U type, top board 46 openings are over against clutch base plate 42, and the open bottom of top board 46 is placed described platelet 45, and rubber plate 44 is placed in platelet 45 outsides, the exterior edge face of top board 46 is protruded in the exterior edge face of rubber plate 44, and is tight against clutch base plate 42.
First regulates bolt 48 passes top board 46, platelet 45, rubber plate 44 back screw-in clutch base plates 42.Regulate bolts 49 for 2 second and lay respectively at first both sides up and down of regulating bolt 48, and second regulates and be against on the platelet 45 after bolt 49 passes top board 46.
During use, regulate the spacing that bolt 48 is regulated between top board 46 and the clutch base plate 42 by screwing or unscrew first, regulate the power that is adjacent to that bolt 49 is regulated rubber plate 44 and clutch base plate 42 by screwing or unscrew second, guarantee that rubber plate 44 is tight against clutch base plate 42.When gear 2 and tooth bar 3 runnings, clutch 41 is because the gap that exists sometimes between gear 2 and the tooth bar 3 can drive clutch base plate 42 left and right sides micromotions, the return motion of clutch base plate 42 is to rely on the elasticity of the rubber plate 44 that is tight against with it to guarantee, because the back side of tooth bar 3 has this elastic force, tooth bar 3 is repaired automatically, improve tooth bar 3 surface finishmentes and hardness, increase the area of contact of gear 2 and tooth bar 3, thereby guarantee that gear 2 contacts fully with tooth bar 3, guarantee gear and the stable gap of tooth bar, safety reliability is better, has greatly improved stable equipment operation, has significantly improved the working life of equipment.
Seeing also shown in Figure 3ly, is an embodiment of clutch 41, just existing clutch structure commonly used.Comprise foreign steamer 412, ball bearing 413, axle 414, lubricating cup (figure does not show), interstage sleeve 415, first back-up ring 416, second back-up ring 417, dust cover 418, and outside framework oil seal 419.
Described foreign steamer 412 is fixed on the outer retaining 4132 of ball bearing 413, axle 414 is fixed on the interior retaining 4134 of ball bearing 413, axle 414 tops are provided with lubricating cup, the oil of lubricating cup leads to ball bearing 413 by oil circuit, seal by first back-up ring 416 between the upper-end surface of described ball bearing 413 and the axle 414, seal by second back-up ring 417 between the upper-end surface of ball bearing 413 and the foreign steamer 412, between the foreign steamer 412 of ball bearing 413 lower ends and the axle 414 described outside framework oil seal 419 is installed, dust cover 418 covers above axle 414, is positioned at the inner ring of foreign steamer 412.
Seeing also shown in Figure 4ly, is a preferred embodiment of clutch 41, and described clutch 41 comprises foreign steamer 4120, needle roller 4130, axle 4140, lubricating cup 4150, oil sealing 4160, interstage sleeve 4170.Between described foreign steamer 4120 and the axle 4140 is needle roller 4130, and axle 4140 tops are provided with lubricating cup 4150, and the oil in the lubricating cup 4150 leads to needle roller 4130 by oil circuit, and the containing space upper and lower of needle roller 4130 is provided with oil sealing 4160.Be with interstage sleeve 4170 outside the lower end of axle 4140, interstage sleeve 4170 and axle 4140 interference fit are used for clutch is fixed on equipment.This clutch structure is designed to integrative-structure with the outer retaining of foreign steamer and needle bearing, and axle is designed to integrative-structure with the interior retaining of needle bearing, and is simple more compact, practical, solved the axial float problem of bearing; Owing to adopted needle bearing, with respect to traditional ball bearing, to put contact and become the line contact, increased area of contact greatly, radially bearing capacity and axial bearing capacity can increase 4-5 doubly for they, prolonged the working life of clutch, be used for lift and other various devices, used more safe and reliable.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (9)
1. elevator rack rack gear, comprise the driver plate that is fixed on the frame, be rotatably installed in the plurality of gears on the driver plate, the tooth bar that matches with gear, it is characterized in that: also comprise can regulate elasticity clutch device, described can regulate elasticity clutch device comprises clutch, the clutch base plate, pressing plate, rubber plate, platelet, top board, cover plate, what described clutch rotated is fixed on the clutch base plate, the two ends up and down of described clutch base plate are being pressed by pressing plate respectively, half is pressing the clutch base plate pressing plate, second half locks on driver plate by screw, the clutch base plate can be below pressing plate move left and right, the clutch base plate is between the top board of a tooth bar and a U type, the top board opening is over against the clutch base plate, the open bottom of top board is placed described platelet, rubber plate is placed in the platelet outside, the exterior edge face of top board is protruded in the exterior edge face of rubber plate, and is tight against the clutch base plate.
2. elevator rack rack gear as claimed in claim 1, it is characterized in that: described elevator rack rack gear comprises that also first regulates bolt, the second adjusting bolt, screw in the clutch base plate after the first adjusting bolt passes top board, platelet, rubber plate, be against on the platelet after the second adjusting bolt passes top board.
3. elevator rack rack gear as claimed in claim 2 is characterized in that: the described first adjusting bolt is one, and described second regulates bolt 2, and second regulates the both sides up and down that bolt lays respectively at the first adjusting bolt.
4. as each described elevator rack rack gear of claim 1 to 3, it is characterized in that: described clutch comprises foreign steamer, ball bearing, axle, lubricating cup, first back-up ring, second back-up ring, dust cover, and outside framework oil seal, described foreign steamer is fixed on the outer of ball bearing and blocks, the axle be fixed on ball bearing in block, the axle top is provided with lubricating cup, the oil of lubricating cup leads to ball bearing by oil circuit, pass through first retaining ring sealing between the upper-end surface of described ball bearing and the axle, pass through second retaining ring sealing between the upper and lower end face of ball bearing and the foreign steamer, between the foreign steamer of the second back-up ring outside and the axle described outside framework oil seal is installed, dust cover covers above axle, is positioned at the inner ring of foreign steamer.
5. as each described elevator rack rack gear of claim 1 to 3, it is characterized in that: described clutch comprises foreign steamer, needle roller, axle, lubricating cup, oil sealing, interstage sleeve, between described foreign steamer and the axle is needle roller, the axle top is provided with lubricating cup, oil in the lubricating cup leads to needle roller by oil circuit, the containing space upper and lower of needle roller is provided with oil sealing, is with interstage sleeve outside the lower end of axle, interstage sleeve and axle interference fit.
6. can regulate elasticity clutch device, it is characterized in that: comprise clutch, the clutch base plate, pressing plate, rubber plate, platelet, top board, what described clutch rotated is fixed on the clutch base plate, the two ends up and down of described clutch base plate are being pressed by pressing plate respectively, half is pressing the clutch base plate pressing plate, second half locks on driver plate by screw, the clutch base plate can be below pressing plate move left and right, the clutch base plate is between the top board of a tooth bar and a U type, the top board opening is over against the clutch base plate, the open bottom of top board is placed described platelet, rubber plate is placed in the platelet outside, the exterior edge face of top board is protruded in the exterior edge face of rubber plate, and is tight against the clutch base plate.
7. can regulate elasticity clutch device as claimed in claim 6, it is characterized in that: described clutch comprises foreign steamer, ball bearing, axle, lubricating cup, first back-up ring, second back-up ring, dust cover, and outside framework oil seal, described foreign steamer is fixed on the outer of ball bearing and blocks, the axle be fixed on ball bearing in block, the axle top is provided with lubricating cup, the oil of lubricating cup leads to ball bearing by oil circuit, pass through first retaining ring sealing between the upper-end surface of described ball bearing and the axle, pass through second retaining ring sealing between the upper and lower end face of ball bearing and the foreign steamer, between the foreign steamer of the second back-up ring outside and the axle described outside framework oil seal is installed, dust cover covers above axle, is positioned at the inner ring of foreign steamer.
8. can regulate elasticity clutch device as claimed in claim 6, it is characterized in that: described clutch comprises foreign steamer, needle roller, axle, lubricating cup, oil sealing, interstage sleeve, between described foreign steamer and the axle is needle roller, the axle top is provided with lubricating cup, oil in the lubricating cup leads to needle roller by oil circuit, the containing space upper and lower of needle roller is provided with oil sealing, is with interstage sleeve outside the lower end of axle, interstage sleeve and axle interference fit.
9. as the arbitrary described can regulate elasticity clutch device of claim 6 to 8, it is characterized in that: described top board outside also is provided with cover plate, covers top board, rubber plate and platelet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220729159 CN203082167U (en) | 2012-12-26 | 2012-12-26 | Elevator gear rack transmission mechanism and adjustable elastic backrest wheel device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220729159 CN203082167U (en) | 2012-12-26 | 2012-12-26 | Elevator gear rack transmission mechanism and adjustable elastic backrest wheel device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203082167U true CN203082167U (en) | 2013-07-24 |
Family
ID=48828008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220729159 Expired - Lifetime CN203082167U (en) | 2012-12-26 | 2012-12-26 | Elevator gear rack transmission mechanism and adjustable elastic backrest wheel device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203082167U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103016682A (en) * | 2012-12-26 | 2013-04-03 | 王俊峰 | Gear and rack transmission mechanism of lifting machine and adjustable elastic coupling device |
| CN103939577A (en) * | 2014-04-11 | 2014-07-23 | 太原重工股份有限公司 | Backlash adjusting device and method of gear-rack transmission pair |
| CN105465306A (en) * | 2015-12-14 | 2016-04-06 | 武汉船用机械有限责任公司 | Gear and rack lifting mechanism |
| CN106429718A (en) * | 2016-08-24 | 2017-02-22 | 无锡科通工程机械制造有限公司 | Back gear mechanism used for lift |
-
2012
- 2012-12-26 CN CN 201220729159 patent/CN203082167U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103016682A (en) * | 2012-12-26 | 2013-04-03 | 王俊峰 | Gear and rack transmission mechanism of lifting machine and adjustable elastic coupling device |
| CN103016682B (en) * | 2012-12-26 | 2015-07-29 | 安徽丰海起重设备制造有限公司 | Elevator rack rack gear and adjustable elastic clutch device |
| CN103939577A (en) * | 2014-04-11 | 2014-07-23 | 太原重工股份有限公司 | Backlash adjusting device and method of gear-rack transmission pair |
| CN103939577B (en) * | 2014-04-11 | 2016-04-13 | 太原重工股份有限公司 | The lateral clearance adjusting device of rack pinion pair and method |
| CN105465306A (en) * | 2015-12-14 | 2016-04-06 | 武汉船用机械有限责任公司 | Gear and rack lifting mechanism |
| CN105465306B (en) * | 2015-12-14 | 2018-03-20 | 武汉船用机械有限责任公司 | A kind of rack-and-pinion elevating mechanism |
| CN106429718A (en) * | 2016-08-24 | 2017-02-22 | 无锡科通工程机械制造有限公司 | Back gear mechanism used for lift |
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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: 20130724 Effective date of abandoning: 20150729 |
|
| RGAV | Abandon patent right to avoid regrant |