CN201669527U - Heavy duty vehicle half shaft sleeve welding concentricity positioning device - Google Patents
Heavy duty vehicle half shaft sleeve welding concentricity positioning device Download PDFInfo
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- CN201669527U CN201669527U CN2010202276028U CN201020227602U CN201669527U CN 201669527 U CN201669527 U CN 201669527U CN 2010202276028 U CN2010202276028 U CN 2010202276028U CN 201020227602 U CN201020227602 U CN 201020227602U CN 201669527 U CN201669527 U CN 201669527U
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- positioning pipe
- axle tube
- millimeters
- heavy duty
- positioning
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Abstract
The utility model relates to an auxiliary tool for welding a heavy duty vehicle half shaft sleeve, in particular to a heavy duty vehicle half shaft sleeve welding concentricity positioning device. The device comprises a positioning half shaft head, a positioning pipe and a driving half shaft head; the left part of the positioning half shaft head is provided with a dual external spline which can be matched with an internal spline in an axle, and the right part of the positioning half shaft head is provided with a positioning shaft neck and fixedly connected with the positioning pipe, the outside diameter of which can be matched with the inside diameter of the pipe cavity of the half shaft sleeve; the right end of the positioning pipe is provided with the driving half shaft head; and the right part of the driving half shaft head is provided with a driving external spline, and the left part of the driving half shaft head is provided with a driving shaft neck and fixedly arranged in the right pipe cavity of the positioning pipe through the driving shaft neck. The device has reasonable and compact structure and convenient use, is arranged in the axle through the dual external spline of the positioning half shaft head and keeps central positioning, keeps concentric with the axle by sleeving the half shaft sleeve on the positioning pipe, and has the characteristics of high welding precision, simple and convenient operation, economy and high efficiency.
Description
Technical field
The utility model relates to the aid of heavy duty vehicle axle tube welding, is a kind of heavy duty vehicle axle tube welding concentricity positioner.
Background technology
Work and pavement behavior are bad because heavy duty vehicle overloads for a long time, tend to cause the axle tube fracture of vehicle bridge, perhaps because of the faults such as nut stripped thread of axle tube, must change axle tube during maintenance.The method of changing and welding again axle tube at present has two kinds, the one, vehicle bridge is disassembled from car, use large-scale pipe bed welding to guarantee the concentricity of axle tube and semiaxis, after finishing, welding again vehicle bridge is reinstalled on the car, the method is comparatively loaded down with trivial details, and length not only consuming time, efficient is low but also cost is higher; The 2nd, adopt " line-of-sight course " location, promptly measure three points of distribution triangular in shape to the screw thread terminal position of axle tube from the ring flange position of the brake of vehicle bridge, make mark and record length, along weld seam the axle tube that damages is cut off with cutting torch again, with new axle tube to going into the vehicle bridge part, three points of measuring mark again make it corresponding with previous distance of measuring to the distance of new axle tube screw thread terminal position, last bevel welding, there is following drawback in the method: overload of vehicle uses generally all can cause the vehicle bridge distortion, perhaps axle tube was replaced and welding location was inaccurate at that time in the past, cause " line-of-sight course " location no longer valid, and owing to the welding precision of axle tube is had relatively high expectations, error can cause tire accelerated wear test more than 1 millimeter, axle-shaft oil seal produces bigger harm to the problems such as gear oil seal failure in the vehicle bridge.
Summary of the invention
The utility model provides a kind of heavy duty vehicle axle tube welding concentricity positioner, and it has solved, and existing heavy duty vehicle changes that method location difficulty, welding precision of welding axle tube is low, complicated operation, problem that maintenance cost is high.
The technical solution of the utility model realizes by following measure: a kind of heavy duty vehicle axle tube welding concentricity positioner comprises location semiaxis head, positioning pipe and jack shaft head; The left part of location semiaxis head has the duplex external splines that can match with the inner internal spline of vehicle bridge, the right part of location semiaxis head has locating journal and is fixedly connected with the positioning pipe that external diameter can match with the lumen diameter of axle tube, locating journal is fixedly mounted in the left part tube chamber of positioning pipe, the right-hand member of positioning pipe has the jack shaft head, the right part of jack shaft head has the driving external splines, and the left part of jack shaft head has the axle journal of driving and is fixedly mounted in the right part tube chamber of positioning pipe by driving axle journal.
Be further optimization and/or improvements below to above-mentioned utility model technical scheme:
The right-hand member of above-mentioned positioning pipe can have lining, and the outer middle side part of lining has the limited step that can match with the counterbore of axle tube right-hand member, and lining is sleeved on the positioning pipe and can moves.
On the right side of above-mentioned lining half slot can be arranged.
Above-mentioned positioning pipe can be the external diameter seamless steel pipe littler 0.1 millimeter to 1 millimeter than the lumen diameter of axle tube.
The length of above-mentioned positioning pipe can be more than or equal to 830 millimeters.
It is 57 millimeters to 59.9 millimeters that the external diameter of above-mentioned positioning pipe can be, and the wall thickness of positioning pipe is 3 millimeters to 4 millimeters.
The internal diameter of above-mentioned lining can be 57 millimeters to 59.9 millimeters.
The utility model reasonable and compact in structure, easy to use, it is inner and keep centralized positioning that its external splines by the semiaxis head is installed in vehicle bridge, keeps it concentric with vehicle bridge on the positioning pipe by axle tube is sleeved on, and has the characteristics of welding precision height, easy and simple to handle, economical and efficient.
Description of drawings
Accompanying drawing 1 partly cuts open structural representation for the master of the utility model most preferred embodiment looks.
Accompanying drawing 2 partly cuts open structural representation for the utility model most preferred embodiment when the work.
Coding in the accompanying drawing is respectively: 1 is location semiaxis head, and 2 is positioning pipe, and 3 is the jack shaft head, 4 is vehicle bridge, and 5 is the duplex external splines, and 6 is locating journal, 7 is axle tube, and 8 for driving external splines, and 9 for driving axle journal, 10 is lining, and 11 is counterbore, and 12 is limited step, 13 is half slot, 14 is tube connector, and 15 is the vehicle bridge counterbore, and 16 is keyway.
The specific embodiment
The utility model is not subjected to the restriction of following embodiment, can determine concrete embodiment according to the technical solution of the utility model and actual conditions.
Below in conjunction with most preferred embodiment and accompanying drawing the utility model is further described:
As shown in Figure 1, this heavy duty vehicle axle tube welding concentricity positioner comprises location semiaxis head 1, positioning pipe 2 and jack shaft head 3; The left part of location semiaxis head 1 has the duplex external splines 5 that can match with vehicle bridge 4 inner internal splines, the right part of location semiaxis head 1 has locating journal 6 and is fixedly connected with the positioning pipe 2 that external diameter can match with the lumen diameter of axle tube 7, locating journal 6 is fixedly mounted in the left part tube chamber of positioning pipe 2, the right-hand member of positioning pipe 2 has jack shaft head 3, the right part of jack shaft head 3 has the external splines 8 of driving, and the left part of jack shaft head 3 has the axle journal 9 of driving and is fixedly mounted in the right part tube chamber of positioning pipe 2 by driving axle journal 9.The utility model is by realizing the location on the internal spline that duplex external splines 5 is installed in vehicle bridge 4 inside, afterwards axle tube 7 is sleeved on the centralized positioning that realizes axle tube 7 on the positioning pipe 2 and guarantees the concentricity of welding back itself and vehicle bridge 4; When welding axle tube 7, rotate the utility model, to guarantee the axle tube 7 that is fixed deflection does not take place, thereby can realize its accurate location, improve welding precision, reduce maintenance cost.
Can according to actual needs above-mentioned heavy duty vehicle axle tube welding concentricity positioner be made further optimization and/or improvements:
Shown in accompanying drawing 1,2, the right-hand member of positioning pipe 2 has lining 10, and the outer middle side part of lining 10 has the limited step 12 that can match with the counterbore 11 of axle tube 7 right-hand members, and lining 10 is sleeved on the positioning pipe 2 and can moves.By lining 10, can make the utility model can adapt to the lumen shape of axle tube 7 better, thereby make the location of axle tube 7 can be more accurate.
As shown in Figure 2, on the right side of lining 10 half slot 13 is arranged.Can in the process of welding axle tube 7, stir lining 10 by half slot 13 and make its slow rotation, whether concentric with convenient check axle tube 7 with positioning pipe 2.
As shown in Figure 2, positioning pipe 2 is the external diameter seamless steel pipe littler 0.1 millimeter to 1 millimeter than the lumen diameter of axle tube 7.Positioning pipe 2 is preferably the seamless steel pipe that meets the GB specification, and when the lumen diameter of axle tube 7 was 60 millimeters, the external diameter of positioning pipe 2 was 59 millimeters to 59.9 millimeters.
As shown in Figure 1, the length of positioning pipe 2 is more than or equal to 830 millimeters.To guarantee that positioning pipe 2 has enough length to make axle tube 7 location, locating semiaxis head 1 simultaneously also has the enough length that is connected with the internal spline of vehicle bridge 4 inside, thereby keeps the utility model centralized positioning accurate.
As shown in Figure 1, the external diameter of positioning pipe 2 is for being 57 millimeters to 59.9 millimeters, and the wall thickness of positioning pipe is 3 millimeters to 4 millimeters.To guarantee that positioning pipe 2 has enough wall thickness and intensity.
As shown in Figure 1, the internal diameter of lining 10 is 57 millimeters to 59.9 millimeters.To guarantee that lining 10 can be sleeved on the positioning pipe 2 and the energy move left and right.
In addition, guarantee that preferably location semiaxis head 1 and jack shaft head 3 have sufficiently long partial fixing to be installed in positioning pipe 2 inside, thus more firm with being connected of positioning pipe 2.
Above technical characterictic has constituted most preferred embodiment of the present utility model, and it has stronger adaptability and best implementation result, can increase and decrease non-essential technical characterictic according to actual needs, satisfies the demand of different situations.
The course of work of the utility model most preferred embodiment is:
As shown in Figure 2, at first, the axle tube 7 that damages severed along the circular weld place of original and vehicle bridge 4 take off, then, by duplex external splines 5 the utility model is packed in the internal spline of vehicle bridge 4 inside, new axle tube 7 is sleeved on the outside of positioning pipe 2, tube connector 14 covers of new axle tube 7 left ends is installed in the vehicle bridge counterbore 15 of vehicle bridge 4 right-hand members, the spill port that makes new axle tube 7 right-hand members towards directly over; Afterwards the right-hand member cover of lining 10 from jack shaft head 3 installed on the right-hand member of positioning pipe 2, the gap of positioning pipe 2 cylindricals and lining 10 is kept on circumference evenly, make the left side of the limited step 12 of lining 10 hold out against the bottom surface of counterbore 11; Then, the cleaning of the circular weld place of vehicle bridge 4 is smooth and ground groove with sander; The left end of vehicle bridge 4 right-hand members and new axle tube 7 is welded together, positioning pipe 2 cylindricals, lining 10 and the gap of new axle tube 7 inner chambers are kept evenly; At last, weld seam is filled up and make positioning pipe 2 concentric, even new axle tube 7 keeps concentric with vehicle bridge 4 with new axle tube 7 maintenances.
Claims (10)
1. a heavy duty vehicle axle tube welding concentricity positioner is characterized in that comprising location semiaxis head, positioning pipe and jack shaft head; The left part of location semiaxis head has the duplex external splines that can match with the inner internal spline of vehicle bridge, the right part of location semiaxis head has locating journal and is fixedly connected with the positioning pipe that external diameter can match with the lumen diameter of axle tube, locating journal is fixedly mounted in the left part tube chamber of positioning pipe, the right-hand member of positioning pipe has the jack shaft head, the right part of jack shaft head has the driving external splines, and the left part of jack shaft head has the axle journal of driving and is fixedly mounted in the right part tube chamber of positioning pipe by driving axle journal.
2. heavy duty vehicle axle tube welding concentricity positioner according to claim 1, the right-hand member that it is characterized in that positioning pipe has lining, the outer middle side part of lining has the limited step that can match with the counterbore of axle tube right-hand member, and lining is sleeved on the positioning pipe and can moves.
3. heavy duty vehicle axle tube according to claim 2 welding concentricity positioner is characterized in that on the right side of lining half slot being arranged.
4. heavy duty vehicle axle tube welding concentricity positioner according to claim 1 and 2 is characterized in that positioning pipe is the external diameter seamless steel pipe littler 0.1 millimeter to 1 millimeter than the lumen diameter of axle tube.
5. heavy duty vehicle axle tube welding concentricity positioner according to claim 3 is characterized in that positioning pipe is the external diameter seamless steel pipe littler 0.1 millimeter to 1 millimeter than the lumen diameter of axle tube.
6. heavy duty vehicle axle tube welding concentricity positioner according to claim 4, the length that it is characterized in that positioning pipe is more than or equal to 830 millimeters.
7. heavy duty vehicle axle tube welding concentricity positioner according to claim 5, the length that it is characterized in that positioning pipe is more than or equal to 830 millimeters.
8. heavy duty vehicle axle tube welding concentricity positioner according to claim 6, the external diameter that it is characterized in that positioning pipe is 57 millimeters to 59.9 millimeters, the wall thickness of positioning pipe is 3 millimeters to 4 millimeters.
9. heavy duty vehicle axle tube welding concentricity positioner according to claim 7, the external diameter that it is characterized in that positioning pipe is 57 millimeters to 59.9 millimeters, the wall thickness of positioning pipe is 3 millimeters to 4 millimeters.
10. heavy duty vehicle axle tube welding concentricity positioner according to claim 9, the internal diameter that it is characterized in that lining is 57 millimeters to 59.9 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202276028U CN201669527U (en) | 2010-06-17 | 2010-06-17 | Heavy duty vehicle half shaft sleeve welding concentricity positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202276028U CN201669527U (en) | 2010-06-17 | 2010-06-17 | Heavy duty vehicle half shaft sleeve welding concentricity positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201669527U true CN201669527U (en) | 2010-12-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202276028U Expired - Fee Related CN201669527U (en) | 2010-06-17 | 2010-06-17 | Heavy duty vehicle half shaft sleeve welding concentricity positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201669527U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105387829A (en) * | 2015-11-18 | 2016-03-09 | 北京新立机械有限责任公司 | Method for adjusting concentricity of left and right half shafts of turntable |
| CN106425146A (en) * | 2016-08-30 | 2017-02-22 | 盐城市丰特铸造机械有限公司 | Spiral shaft lengthening welding method |
-
2010
- 2010-06-17 CN CN2010202276028U patent/CN201669527U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105387829A (en) * | 2015-11-18 | 2016-03-09 | 北京新立机械有限责任公司 | Method for adjusting concentricity of left and right half shafts of turntable |
| CN105387829B (en) * | 2015-11-18 | 2017-11-24 | 北京新立机械有限责任公司 | A kind of method of turntable or so semiaxis concentricity adjusting |
| CN106425146A (en) * | 2016-08-30 | 2017-02-22 | 盐城市丰特铸造机械有限公司 | Spiral shaft lengthening welding method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101215 Termination date: 20130617 |