CN202441869U - Adjusting mechanism for adjusting clearance between gear and rack - Google Patents
Adjusting mechanism for adjusting clearance between gear and rack Download PDFInfo
- Publication number
- CN202441869U CN202441869U CN2012200829340U CN201220082934U CN202441869U CN 202441869 U CN202441869 U CN 202441869U CN 2012200829340 U CN2012200829340 U CN 2012200829340U CN 201220082934 U CN201220082934 U CN 201220082934U CN 202441869 U CN202441869 U CN 202441869U
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- Prior art keywords
- rack
- shaft
- wheel
- gear
- gap
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Abstract
The utility model relates to the field of assisted adjusting products for machines, and specifically relates to an adjusting mechanism for adjusting the clearance between a gear and a rack. The adjusting mechanism comprises an installing plate, a gear shaft, a rack, an eccentric shaft and a support shaft, wherein the gear shaft is movably arranged on the front surface of the installing plate, the rack is meshed with the gear surface of the gear shaft, the eccentric shaft and the support shaft movably pass through the installing plate, the tail end of the eccentric shaft is sleeved with a drive bearing, the outer surface of the drive bearing is connected with the bottom surface of the rack, and the back surface of the installing plate is provided with a locking component connected with the eccentric shaft; and a tail end face of the support shaft is connected with the side wall of the rack, and the other tail end of the support shaft passes through the installing plate and is provided with an installing hearing connected with the back surface of the installing plate. According to the utility model, through carrying out adjustment on the clearance between a gear and a rack, the drive accuracy between the gear and the rack and the processing accuracy of a whole device are increased, and the production cost is greatly reduced.
Description
Technical field
The utility model relates to mechanical assistance and regulates product scope, is specifically related to a kind of controlling mechanism that is used to adjust the gap between the wheel and rack
Background technique
In mechanical transmission fields, usually need use the cooperation between the wheel and rack, and under using for a long time, wearing and tearing appear in gear and tooth bar easily in engagement driving; Produce the gap of engagement thus; Cause the error of transmission, it will influence the transmission accuracy between the wheel and rack greatly, and then influence the machining accuracy of whole equipment; Be easy to generate substandard products, increased cost of production
Summary of the invention
for overcoming above-mentioned defective, the purpose of the utility model promptly is a kind of controlling mechanism that is used to adjust the gap between the wheel and rack.
The purpose of the utility model realizes through following technological scheme:
A kind of controlling mechanism that is used to adjust the gap between the wheel and rack of the utility model comprises:
Mounting plate is movably arranged on the gear shaft on the mounting plate front, and the tooth bar that is meshed with the flank of tooth of gear shaft; Also comprise: activity is equipped with eccentric shaft and back shaft on the said mounting plate,
Said eccentric the tip of the axis is arranged with drive bearing, and the outer surface of said drive bearing and the bottom surface of tooth bar join, and the said mounting plate back side is provided with the locking element that is connected with eccentric shaft;
The one terminal sidewall with tooth bar of
said back shaft joins, and another end passes mounting plate, and is provided with the installation bearing that joins with the mounting plate back side.
are further, and said eccentric shaft and back shaft lay respectively at the both sides of gear shaft.
are further, and the quantity of said eccentric shaft is two.
are further, and said drive bearing is a double-row angular contact bal bearing.
are further, and said installation bearing is two double-row angular contact bal bearings side by side, is provided with the bearing spacer between said two double-row angular contact bal bearings side by side.
are further, and the said bearings mounted outside is provided with bearing gland.
are further, and said controlling mechanism also comprises: speed reducer and motor, an end of said gear shaft joins through the clutch end of speed reducer and motor.
are further, and said locking element is a locking nut.
the utility model is through to the gap between wheel and rack adjustment, thereby increased transmission accuracy and the machining accuracy of whole equipment between the wheel and rack, reduced cost of production greatly.
Description of drawings
In order to be easy to explanation, the utility model is done to describe in detail by following preferred embodiment and accompanying drawing
.
Fig. 1 is the Facad structure schematic representation of the utility model;
Fig. 2 is the side structure schematic representation of the utility model;
Fig. 3 is the eccentric shaft portion structural representation in the utility model;
Fig. 4 is the back shaft part-structure schematic representation in the utility model.
Embodiment
For the purpose, technological scheme and the advantage that make the utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
See also Fig. 1 and Fig. 4, the utility model is used to adjust the controlling mechanism in the gap between the wheel and rack, comprising:
Mounting plate 6 is movably arranged on the gear shaft 1 on mounting plate 6 fronts, and the tooth bar 9 that is meshed with the flank of tooth of gear shaft 1; Also comprise: activity is equipped with eccentric shaft 2 and back shaft 5 on the said mounting plate 6,
The end of said eccentric shaft 2 is arranged with drive bearing 7, and the bottom surface of the outer surface of said drive bearing 7 and tooth bar 9 joins, and said mounting plate 6 back sides are provided with the locking element 3 that is connected with eccentric shaft 2;
terminal surface of said back shaft 5 and the sidewall of tooth bar 9 join, and another end passes mounting plate 6, and are provided with the installation bearing 10 that joins with mounting plate 6 back sides.When the utility model is installed, earlier eccentric shaft 2 is rotated to drive bearing 7 and tangent position, tooth bar 9 bottom surfaces, then, locking lock 3 tight parts are reserved the initial position of eccentric shaft 2 with this.
When
error occurs when the engagement of the wheel and rack in the utility model, tooth bar will press the drive bearing on the eccentric shaft, and eccentric shaft will be adjusted the axle center automatically, to adapt to the engagement between the wheel and rack.
are further, and said eccentric shaft 2 and back shaft 5 lay respectively at the both sides of gear shaft 1.
are further, and the quantity of said eccentric shaft 2 is two, and it can provide tooth bar 9 in the adjustment of the position of above-below direction.
are further, and said drive bearing 7 is a double-row angular contact bal bearing.
are further; Said installation bearing 10 is two double-row angular contact bal bearings side by side; Be provided with bearing spacer 11 between said two double-row angular contact bal bearings side by side; Two double-row angular contact bal bearings side by side in the utility model can bear the joint load that bigger radial force and bi-directional axial are loaded.
are further, and the outside of said installation bearing 10 is provided with bearing gland 12.
are further, and said controlling mechanism also comprises: speed reducer 4 and motor 8, an end of said gear shaft 1 joins through the clutch end of speed reducer 4 with motor 8.
are further, and said locking element 3 is a locking nut.
The above is merely the preferred embodiment of the utility model, not in order to restriction the utility model, any modification of being done within all spirit at the utility model and the principle, is equal to and replaces and improvement etc., all should be included within the protection domain of the utility model
Claims (8)
1. controlling mechanism that is used to adjust the gap between the wheel and rack comprises: mounting plate, be movably arranged on the gear shaft on the mounting plate front, and the tooth bar that is meshed with the flank of tooth of gear shaft; It is characterized in that, also comprise: activity is equipped with eccentric shaft and back shaft on the said mounting plate,
Said eccentric the tip of the axis is arranged with drive bearing, and the outer surface of said drive bearing and the bottom surface of tooth bar join, and the said mounting plate back side is provided with the locking element that is connected with eccentric shaft;
One terminal surface of said back shaft and the sidewall of tooth bar join, and another end passes mounting plate, and are provided with the installation bearing that joins with the mounting plate back side.
2. the controlling mechanism that is used to adjust the gap between the wheel and rack according to claim 1 is characterized in that said eccentric shaft and back shaft lay respectively at the both sides of gear shaft.
3. the controlling mechanism that is used to adjust the gap between the wheel and rack according to claim 2 is characterized in that, the quantity of said eccentric shaft is two.
4. the controlling mechanism that is used to adjust the gap between the wheel and rack according to claim 3 is characterized in that, said drive bearing is a double-row angular contact bal bearing.
5. the controlling mechanism that is used to adjust the gap between the wheel and rack according to claim 4; It is characterized in that; Said installation bearing is two double-row angular contact bal bearings side by side, is provided with the bearing spacer between said two double-row angular contact bal bearings side by side.
6. the controlling mechanism that is used to adjust the gap between the wheel and rack according to claim 5 is characterized in that, the said bearings mounted outside is provided with bearing gland.
7. the controlling mechanism that is used to adjust the gap between the wheel and rack according to claim 6 is characterized in that, also comprises: speed reducer and motor, an end of said gear shaft joins through the clutch end of speed reducer and motor.
8. the controlling mechanism that is used to adjust the gap between the wheel and rack according to claim 7 is characterized in that, said locking element is a locking nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200829340U CN202441869U (en) | 2012-03-07 | 2012-03-07 | Adjusting mechanism for adjusting clearance between gear and rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200829340U CN202441869U (en) | 2012-03-07 | 2012-03-07 | Adjusting mechanism for adjusting clearance between gear and rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202441869U true CN202441869U (en) | 2012-09-19 |
Family
ID=46823321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200829340U Expired - Fee Related CN202441869U (en) | 2012-03-07 | 2012-03-07 | Adjusting mechanism for adjusting clearance between gear and rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202441869U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104457661A (en) * | 2014-04-01 | 2015-03-25 | 太原重工股份有限公司 | Detecting device capable of adjusting transmission gap and transmission gap adjusting mechanism |
| CN108087513A (en) * | 2017-12-11 | 2018-05-29 | 大连四达高技术发展有限公司 | Arc track drives guidance system |
| CN109296718A (en) * | 2018-12-04 | 2019-02-01 | 四川宏华石油设备有限公司 | A kind of guiding device |
-
2012
- 2012-03-07 CN CN2012200829340U patent/CN202441869U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104457661A (en) * | 2014-04-01 | 2015-03-25 | 太原重工股份有限公司 | Detecting device capable of adjusting transmission gap and transmission gap adjusting mechanism |
| CN104457661B (en) * | 2014-04-01 | 2017-02-15 | 太原重工股份有限公司 | Detecting device capable of adjusting transmission gap and transmission gap adjusting mechanism |
| CN108087513A (en) * | 2017-12-11 | 2018-05-29 | 大连四达高技术发展有限公司 | Arc track drives guidance system |
| CN109296718A (en) * | 2018-12-04 | 2019-02-01 | 四川宏华石油设备有限公司 | A kind of guiding device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120919 Termination date: 20160307 |