CN203717839U - Adjusting mechanism for meshing between gear and rack - Google Patents
Adjusting mechanism for meshing between gear and rack Download PDFInfo
- Publication number
- CN203717839U CN203717839U CN201420058971.7U CN201420058971U CN203717839U CN 203717839 U CN203717839 U CN 203717839U CN 201420058971 U CN201420058971 U CN 201420058971U CN 203717839 U CN203717839 U CN 203717839U
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- China
- Prior art keywords
- mounting seat
- gear
- rotary mounting
- screw rod
- rack
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 18
- 238000003466 welding Methods 0.000 claims abstract description 12
- 230000006835 compression Effects 0.000 claims abstract description 7
- 238000007906 compression Methods 0.000 claims abstract description 7
- 230000000694 effects Effects 0.000 claims abstract description 7
- 230000001105 regulatory effect Effects 0.000 claims description 17
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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- Transmission Devices (AREA)
Abstract
An adjusting mechanism for meshing between a gear and a rack comprises a rotary mounting seat, a pin shaft, a guide sleeve, a bearing, a speed reducer mounting seat, the gear, a welding sleeve with threads, an adjusting screw rod, a compression spring and the rack, wherein the right end of the rotary mounting seat is connected with the guide sleeve; the adjusting screw rod penetrates through a waist hole formed in the left end of the rotary mounting seat; one end, provided with threads, of the adjusting screw rod is screwed into the welding sleeve with the threads; the end, without threads, of the adjusting screw rod is provided with a step; the compression spring is mounted between the step and a vertical plate of the rotary mounting seat; the adjusting screw rod compresses the compression spring; the gear is located above the rotary mounting seat; under the elastic action of the compression spring, the rotary mounting seat rotates around the pin shaft, so that the gear is stably meshed with the rack on the side face of a ground steel rail. According to the adjusting mechanism, the compression spring tightly presses the rotary mounting seat, the gear and the rack are meshed with each other accurately; manual adjustment is not needed, and the effect is good and stable; the structure is simple, and the mounting is convenient.
Description
Technical field
The utility model relates to a kind of equipment of rack and pinion engagement, especially relates to a kind of regulating mechanism of rack and pinion engagement.
Background technique
Traditional rack and pinion engagement equipment, calculates by theory, and gear is non-adjustable after installing.This equipment simple in structure, is convenient to install, but with extending service time, gear and tooth bar there will be wearing and tearing and affect transmitting accuracy.
CN 101672359 A disclose a kind of regulating mechanism that can carry out to rack meshing clearance micro-control, adjust worm screw, worm screw retaining pin etc. and form by main body cover, gear shaft, tooth bar, rack support seat, adjustment plug screw, gap, in main body cover, be fixed with gear shaft and tooth bar, a side of tooth bar is equipped with rack support seat, gap preloading spring and adjusts plug screw.On main body cover, have worm screw mounting hole, its in-built gapped adjustment worm screw, adjusting the manufacture of plug screw afterbody has spline tooth.The regulating mechanism complex structure of this invention, manufacturing difficulty is large, and after gear wear, needs artificial operation in time, otherwise can affect transmitting accuracy.
CN 201992029 U disclose a kind of gear rack anti-backlash adjusting mechanism, be arranged on the slide of being located at machine tool beam one side, it comprises, eccentric bushing, on it, offer a location endoporus, location endoporus is set for the eccentric, and has offset with eccentric bushing cylindrical, offer several kidney-shaped regulating tanks along eccentric bushing even circumferential, and eccentric bushing is fixed on described slide through kidney-shaped regulating tank by some adjusting screw; Epicyclic gearbox, it is flange hollow shaft output form, input end connects actuating motor; Epicyclic gearbox positioning spigot is positioned at the location endoporus of described eccentric bushing, and is connected with eccentric bushing by screw; Gear, connects with the output flange end face of epicyclic gearbox, and engages with the tooth bar that is located at crossbeam one side.After gear wear, this regulating mechanism needs manual operation adjustment, and adjusting meeting not in place affect transmitting accuracy.
Model utility content
The technical problems to be solved in the utility model is: provide one can automatically adjust gear position make gear all the time with tooth bar correct engagement, simple in structure, the regulating mechanism of rack and pinion engagement easy for installation.
The utility model solves the technological scheme that its technical problem adopts: a kind of regulating mechanism of rack and pinion engagement, comprise rotary mounting seat, bearing pin, guide pin bushing, bearing, speed reducer mounting base, gear, threaded welding cover, adjust screw rod, Compress Spring and tooth bar, the right-hand member of described rotary mounting seat is connected with guide pin bushing; Described adjustment screw rod is through the waist shaped hole of being located at rotary mounting seat left end; The threaded one end of described adjustment screw rod is screwed in threaded welding cover; The non-threaded one end of described adjustment screw rod is provided with a step; Described Compress Spring is arranged between step and the riser of rotary mounting seat; Described adjustment screw compression Compress Spring; Described rotary mounting seat is provided with speed reducer mounting base; The outer ring of described bearing is arranged in speed reducer mounting base, and its inner ring is arranged on the axle of gear; Described gear is positioned at rotary mounting seat top; Under the effect of Compress Spring elastic force, described rotary mounting seat rotates around bearing pin, and gear is firmly engaged with the tooth bar of rail side, ground.
Further, on described speed reducer mounting base, motor and speed reducer is installed.
Further, described threaded welding cover is welded in the inside of walking dolly.
The regulating mechanism of a kind of rack and pinion engagement of the utility model, compresses rotary mounting seat by Compress Spring, automatically adjusts gear position, makes wheel and rack correct engagement, has solved the relative position inconvenience non-adjustable or that often adjustment brings of gear; Can preset suitable pressing force of the spring, ensure correctness and the stability of engagement; Without artificial adjustment, respond well and stable; This regulating mechanism simple in structure, easy for installation.
Brief description of the drawings
Fig. 1 is the schematic diagram of the regulating mechanism of a kind of rack and pinion engagement of the utility model;
Fig. 2 is the A-A sectional view of Fig. 1.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
See figures.1.and.2, the regulating mechanism of a kind of rack and pinion engagement of the present embodiment, comprise rotary mounting seat 7, bearing pin 2, guide pin bushing 3, bearing 5, speed reducer mounting base 6, gear 8, threaded welding cover 9, adjust screw rod 10, Compress Spring 11 and tooth bar 12, the right-hand member of described rotary mounting seat 7 is connected with guide pin bushing 3; Described adjustment screw rod 10 is through the waist shaped hole of being located at rotary mounting seat 7 left ends; The threaded one end of described adjustment screw rod 10 is screwed in threaded welding cover 9; The non-threaded one end of described adjustment screw rod 10 is provided with a step; Described Compress Spring 11 is arranged between step and the riser of rotary mounting seat 7; Described adjustment screw rod 10 compresses Compress Spring 11; Described rotary mounting seat 7 is provided with speed reducer mounting base 6; The outer ring of described bearing 5 is arranged in speed reducer mounting base 7, and its inner ring is arranged on the axle of gear 8; Described gear 8 is positioned at rotary mounting seat 7 tops; Under the effect of Compress Spring 11 elastic force, described rotary mounting seat 7 rotates around bearing pin 2, and gear 8 is firmly engaged with the tooth bar 12 of rail side, ground.
On described speed reducer mounting base 6, motor and speed reducer 4 is installed.
Described threaded welding cover 9 is welded in the inside of walking dolly 1.
Described rotary mounting seat 7 and upper mounting portion thereof can entirety rotate around bearing pin 2.
A kind of installation and use of regulating mechanism of rack and pinion engagement: rotate and adjust screw rod 10 by spanner, adjustment screw rod 10 is screwed in threaded welding cover 9, compress Compress Spring 11 simultaneously; Under the effect of Compress Spring 11 elastic force, rotary mounting seat 7 rotates around bearing pin 2, and the gear 8 on it is firmly engaged with the tooth bar 12 of rail side, ground; In the time of rack and pinion engagement, the radial force that described bearing 5 produces gear for bearing tooth bar, avoids this radial force direct effect to speed reducer, and speed reducer is caused to adverse effect.
Claims (3)
1. the regulating mechanism of a rack and pinion engagement, comprise rotary mounting seat, bearing pin, guide pin bushing, bearing, speed reducer mounting base, gear, threaded welding cover, adjust screw rod, Compress Spring and tooth bar, it is characterized in that, the right-hand member of described rotary mounting seat is connected with guide pin bushing; Described adjustment screw rod is through the waist shaped hole of being located at rotary mounting seat left end; The threaded one end of described adjustment screw rod is screwed in threaded welding cover; The non-threaded one end of described adjustment screw rod is provided with a step; Described Compress Spring is arranged between step and the riser of rotary mounting seat; Described adjustment screw compression Compress Spring; Described rotary mounting seat is provided with speed reducer mounting base; The outer ring of described bearing is arranged in speed reducer mounting base, and its inner ring is arranged on the axle of gear; Described gear is positioned at rotary mounting seat top; Under the effect of Compress Spring elastic force, described rotary mounting seat rotates around bearing pin, and gear is firmly engaged with the tooth bar of rail side, ground.
2. the regulating mechanism of rack and pinion engagement as claimed in claim 1, is characterized in that, on described speed reducer mounting base, motor and speed reducer is installed.
3. the regulating mechanism of rack and pinion engagement as claimed in claim 1 or 2, is characterized in that, described threaded welding cover is welded in the inside of walking dolly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420058971.7U CN203717839U (en) | 2014-02-08 | 2014-02-08 | Adjusting mechanism for meshing between gear and rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420058971.7U CN203717839U (en) | 2014-02-08 | 2014-02-08 | Adjusting mechanism for meshing between gear and rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203717839U true CN203717839U (en) | 2014-07-16 |
Family
ID=51156992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420058971.7U Expired - Lifetime CN203717839U (en) | 2014-02-08 | 2014-02-08 | Adjusting mechanism for meshing between gear and rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203717839U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110778698A (en) * | 2019-09-04 | 2020-02-11 | 上海无线电设备研究所 | Device for eliminating transmission clearance of gear pair |
| CN112478652A (en) * | 2020-12-16 | 2021-03-12 | 湖南三一快而居住宅工业有限公司 | Sideslip car and sideslip system |
-
2014
- 2014-02-08 CN CN201420058971.7U patent/CN203717839U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110778698A (en) * | 2019-09-04 | 2020-02-11 | 上海无线电设备研究所 | Device for eliminating transmission clearance of gear pair |
| CN110778698B (en) * | 2019-09-04 | 2021-04-02 | 上海无线电设备研究所 | Device for eliminating transmission clearance of gear pair |
| CN112478652A (en) * | 2020-12-16 | 2021-03-12 | 湖南三一快而居住宅工业有限公司 | Sideslip car and sideslip system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 412000 forty-six District, Li Yu Industrial Park, Tianyuan District, Zhuzhou, Hunan. Patentee after: ZHUZHOU TIANYI AUTOWELDING SYSTEM Co.,Ltd. Address before: 412000 forty-six District, Li Yu Industrial Park, Tianyuan District, Zhuzhou, Hunan. Patentee before: ZHUZHOU KAIYUAN AUTOWELDING SYSTEM Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140716 |
|
| CX01 | Expiry of patent term |