CN202914693U - Rear axle booster end cover bearing locating and regulating device - Google Patents
Rear axle booster end cover bearing locating and regulating device Download PDFInfo
- Publication number
- CN202914693U CN202914693U CN 201320052049 CN201320052049U CN202914693U CN 202914693 U CN202914693 U CN 202914693U CN 201320052049 CN201320052049 CN 201320052049 CN 201320052049 U CN201320052049 U CN 201320052049U CN 202914693 U CN202914693 U CN 202914693U
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- Prior art keywords
- bearing
- rear axle
- end cap
- transmission shaft
- hole
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Abstract
The utility model discloses a rear axle booster end cover bearing locating and regulating device comprising a rear axle booster; two ends of a transmission shaft of the rear axle booster respectively support against a rear axle booster shell; the transmission shaft is axially and sequentially provided with a driven basin gear, a low-speed driving gear, a synchronous ring and a high-speed driving gear; the driven basin gear is meshed with an input driving bevel gear; the rear axle booster shell is symmetrically provided with shaft holes; each shaft hole is covered by using an end cover; bearing blocks extending towards the shaft holes in the shell are integrally formed on the end covers; bearings are arranged in inner cavities of the bearing blocks; the transmission shaft is supported by the bearings; the axial end faces of the end covers are provided with threaded through holes corresponding to the inner cavities of the bearing blocks; each threaded through hole is matched with a regulating screw by using a screw thread; and one end of each regulating screw supports against the outer ring of each bearing, and the other end of each regulating screw is fastened and located by using a locking nut. The bearings are radially located by using the bearing blocks arranged on the end covers, and the axial clearances of the bearings are regulated and located by using the regulating screws, so that accumulated errors among parts combined on the transmission shaft are reduced.
Description
Technical field
The utility model relates to a kind of location adjusting device, particularly a kind of rear axle assistor bearing with end cover location adjusting device.
Background technique
Present rear axle assistor on the market, as shown in Figure 5, combination has nearly tens parts on the transmission shaft 2, all there is the machining accuracy error in each part, number of spare parts is more, the error of accumulation is larger, owing to not regulating the device in part axial gap, the error that assistor is in use accumulated can not get revising, if accumulated error is excessive, so that the mounting distance of basin tooth and angle tooth and gap are strengthened, can directly cause the noise of assistor to increase, shorten the working life of basin angle tooth, even break, excesssive gap also can cause the gap of bearing 3 to be strengthened, so that the bearing eccentric rotary causes bearing life low, and easily break, excesssive gap also can cause the turning gear axial jump apart from increasing, causes probability out of supply to increase.But, if the gap between each part is too small, can cause each part to rotate dumb, serious, in addition locking, injuring part.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, a kind of rear axle assistor bearing with end cover location adjusting device is provided, by the bearing support on the end cap to the bearing radial location, adjusting screw is regulated the location to bearing axial clearance, reduces to be combined in the accumulated error between the part on the transmission shaft.
The technical solution of the utility model is: a kind of rear axle assistor bearing with end cover location adjusting device, comprise rear axle assistor, the two ends of the transmission shaft of rear axle assistor are supported in respectively the rear axle assistor housing, described transmission shaft is equipped with driven bevel gear vertically successively, driving gear at a slow speed, synchronizing ring and gear quickly, described driven bevel gear and the engagement of input drive bevel gear, be arranged with the axis hole of supporting shaft on the described rear axle assistor housing, each axis hole covers with end cap, end cap is fixedly connected with the rear axle assistor housing by a plurality of set screws, the bearing support that extends in the axis hole of the one-body molded oriented housing of described end cap, in the inner chamber of the bearing support of end cap bearing is installed, by the bearings transmission shaft, it is corresponding with the inner chamber of bearing support that the axial end of end cap is provided with at least two tapped through holes, screw-thread fit has adjusting screw in each tapped through hole, one end of adjusting screw props up the outer ring of bearing, and the other end of adjusting screw is used the fastening location of locking nut.
The inner chamber of described bearing support be longer than the bearing axial length 3/4 and be shorter than the axial length of bearing.
Described end cap is provided with at least four fixed holes, and fixed hole distributes along the Central Symmetry of end cap.
Described tapped through hole evenly distributes along the center of end cap.
Adopt technique scheme: the bearing support that extends in the axis hole of the one-body molded oriented housing of end cap, in the inner chamber of the bearing support of end cap bearing is installed, the inner chamber of the bearing support of end cap is to the bearing radial location, prevent that effectively bearing is radially mobile, prevent the bearing eccentric rotary, prolong the working life of bearing.It is corresponding with the inner chamber of bearing support that the axial end of end cap is provided with at least two tapped through holes, tapped through hole evenly distributes along the center of end cap, screw-thread fit has adjusting screw in each tapped through hole, one end of adjusting screw props up the outer ring of bearing, the other end of adjusting screw is used the fastening location of locking nut, adjusting screw can be carried out gap adjustment to bearing vertically, prevents from being combined in excesssive gap between the part on the transmission shaft or too small.
Be described further below in conjunction with the drawings and specific embodiments.
Description of drawings
Fig. 1 is the utility model composite structure schematic diagram;
Fig. 2 is that the A-A of Fig. 1 is to sectional view;
Fig. 3 is end cover structure schematic diagram of the present utility model;
Fig. 4 is that the B of Fig. 3 is to structural representation;
Fig. 5 is existing rear axle assistor composite structure schematic diagram.
In the accompanying drawing, 1 is rear axle assistor, and 1a is the rear axle assistor housing, 1b is axis hole, and 2 is transmission shaft, and 3 is bearing, 4 is end cap, and 4a is tapped through hole, and 4b is bearing support, 4c is fixed hole, and 5 is adjusting screw, and 6 is locking nut, 7 is set screw, and 8 is driven bevel gear, and 9 are driving gear at a slow speed, 10 is synchronizing ring, and 11 are gear quickly, and 12 are the input drive bevel gear.
Embodiment
Referring to Fig. 1 to Fig. 4, a kind of rear axle assistor bearing with end cover location adjusting device, comprise rear axle assistor 1, the two ends of the transmission shaft 2 of rear axle assistor are supported in respectively rear axle assistor housing 1a, transmission shaft 2 is equipped with driven bevel gear 8, at a slow speed driving gear 9, synchronizing ring 10 and gear 11 quickly vertically successively, driven bevel gear 8 and 12 engagements of input drive bevel gear, the present embodiment, driven bevel gear 8 and transmission shaft 2 spline joints, at a slow speed driving gear 9 and quickly gear 11 distinguish empty sets on transmission shaft 2.Be arranged with the axis hole 1b of supporting shaft 2 on the described rear axle assistor housing 1a, each axis hole 1b covers with end cap 4, end cap 4 is provided with at least four fixed hole 4c, the present embodiment, the quantity of fixed hole is four, fixed hole 4c distributes along the Central Symmetry of end cap, rear axle assistor housing 1a is provided with the tapped hole of corresponding fixed hole, set screw 7 passes corresponding fixed hole and the upper tapped hole screw-thread fit that arranges of rear axle assistor housing 1a, end cap 4 is fixedly connected with rear axle assistor housing 1a, the present embodiment, set screw 7 adopts the hexagonal flange screw, between set screw and the rear axle assistor housing packing ring is installed.The bearing support 4b that extends in the axis hole 1b of described end cap 4 one-body molded oriented housings, bearing 3 is installed in the inner chamber of the bearing support of end cap 4, for guaranteeing that effectively inner chamber is to the location of bearing 3, the interior cavity length of bearing support 4b be longer than bearing 3 axial lengths 3/4 and be shorter than the axial length of bearing 3, the present embodiment, the interior cavity length of bearing support 4b is 3/4 of bearing 3 axial lengths, bearing 3 adopts tapered roller bearing, by bearing 3 supporting shafts 2, the intracavity bottom of bearing support is provided with the transmission shaft resigning hole, plays step down transmission shaft and the purpose that alleviates end cap weight.It is corresponding with the inner chamber of bearing support 4b that the axial end of end cap 4 is provided with at least two tapped through hole 4a, tapped through hole 4a evenly distributes along the center of end cap 4, the present embodiment, the quantity of tapped through hole 4a is two, screw-thread fit has adjusting screw 5 among each tapped through hole 4a, and an end of adjusting screw 5 props up the outer ring of bearing 3, and the other end of adjusting screw 5 is used locking nut 6 fastening location, the present embodiment, locking nut 6 adopts hexagon nut.
During combination the utility model, with driven bevel gear, driving gear at a slow speed, synchronizing ring, gear is installed on the transmission shaft according to the order of sequence quickly, upper bearing (metal) is overlapped respectively at the two ends of transmission shaft, in the axis hole of bearing sleeve on the rear axle assistor housing with end cap, be pressed into end cap, so that the bearing at transmission shaft two ends is inserted in the inner chamber of bearing support, transmission shaft by bearings in the rear axle assistor housing, set screw passes the tapped hole screw-thread fit that arranges on fixed hole on the end cap and the rear axle assistor housing, end cap is fixed and clamped on the rear axle assistor housing, look for that screw-thread fit adjusting screw at the end cap tapped through hole, locking nut is installed on the adjusting screw, adjusting screw can be mobile vertically by tapped through hole, regulate the position of transmission shaft bearings at both ends, after the axial position of adjusting screw is determined, tighten locking nut adjusting screw is carried out locking and positioning.
Pass through the utility model, bearing is installed in the inner chamber of bearing support, the inner chamber of bearing support is to the bearing radial location, can guarantee effectively that bearing can eccentric rotary, prolonged the working life of bearing, by regulating the axial position of adjusting screw, make the gap between the part that is combined on the transmission shaft can be too not little or too large, can effectively guarantee the normal operation of each part.
Claims (4)
1. rear axle assistor bearing with end cover location adjusting device, comprise rear axle assistor (1), the two ends of the transmission shaft of rear axle assistor (2) are supported in respectively rear axle assistor housing (1a), described transmission shaft (2) is equipped with driven bevel gear (8) vertically successively, driving gear (9) at a slow speed, synchronizing ring (10) and gear (11) quickly, described driven bevel gear (8) and input drive bevel gear (12) engagement, it is characterized in that: the axis hole (1b) that is arranged with supporting shaft (2) on the described rear axle assistor housing (1a), each axis hole (1b) covers with end cap (4), end cap (4) is fixedly connected with rear axle assistor housing (1a) by a plurality of set screws (7), the bearing support (4b) that extends in the axis hole (1b) of the one-body molded oriented housing of described end cap (4), bearing (3) is installed in the inner chamber of the bearing support of end cap (4), by bearing (3) supporting shaft (2), it is corresponding with the inner chamber of bearing support (4b) that the axial end of end cap (4) is provided with at least two tapped through holes (4a), screw-thread fit has adjusting screw (5) in each tapped through hole (4a), one end of adjusting screw (5) props up the outer ring of bearing (3), and the other end of adjusting screw (5) is used the fastening location of locking nut (6).
2. rear axle assistor bearing with end cover location adjusting device according to claim 1 is characterized in that: the inner chamber of described bearing support (4b) be longer than bearing (3) axial length 3/4 and be shorter than the axial length of bearing (3).
3. rear axle assistor bearing with end cover location adjusting device according to claim 1, it is characterized in that: described end cap (4) is provided with at least four fixed holes (4c), and fixed hole (4c) distributes along the Central Symmetry of end cap.
4. rear axle assistor bearing with end cover location adjusting device according to claim 1, it is characterized in that: described tapped through hole (4a) evenly distributes along the center of end cap (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320052049 CN202914693U (en) | 2013-01-30 | 2013-01-30 | Rear axle booster end cover bearing locating and regulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320052049 CN202914693U (en) | 2013-01-30 | 2013-01-30 | Rear axle booster end cover bearing locating and regulating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202914693U true CN202914693U (en) | 2013-05-01 |
Family
ID=48163012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320052049 Expired - Fee Related CN202914693U (en) | 2013-01-30 | 2013-01-30 | Rear axle booster end cover bearing locating and regulating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202914693U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104759493A (en) * | 2015-04-23 | 2015-07-08 | 无锡洲翔成套焊接设备有限公司 | Straightening machine small straightening wheel mechanism |
| CN107830061A (en) * | 2017-11-07 | 2018-03-23 | 深圳市元隆德科技有限公司 | A kind of bearing assembly parts for being easy to handling |
-
2013
- 2013-01-30 CN CN 201320052049 patent/CN202914693U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104759493A (en) * | 2015-04-23 | 2015-07-08 | 无锡洲翔成套焊接设备有限公司 | Straightening machine small straightening wheel mechanism |
| CN107830061A (en) * | 2017-11-07 | 2018-03-23 | 深圳市元隆德科技有限公司 | A kind of bearing assembly parts for being easy to handling |
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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 |
Granted publication date: 20130501 Termination date: 20190130 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |