CN207741684U - A kind of axle box concentricity detecting tool - Google Patents
A kind of axle box concentricity detecting tool Download PDFInfo
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- CN207741684U CN207741684U CN201820007950.0U CN201820007950U CN207741684U CN 207741684 U CN207741684 U CN 207741684U CN 201820007950 U CN201820007950 U CN 201820007950U CN 207741684 U CN207741684 U CN 207741684U
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Abstract
The utility model is related to a kind of axle box concentricity detecting tools, including two groups of positioning regions and detection device, it is connected by interconnecting piece between two groups of positioning regions, every group of positioning region has with bearing internal surface of hole against the first positioning surface of positioning and with thrust surface against the second positioning surface of positioning, two first positioning surfaces are two cambered surfaces on the same circumference, the detection device is mounted on the centre of two groups of positioning regions or the outside of one group of positioning region installed therein, the detection device is resisted against surface to be measured and is slided along surface to be measured when two groups of positioning regions are along bearing internal surface of hole and thrust surface sliding.The utility model is simple in structure, it is easy to operate, it can complete to detect the concentricity of the bearing hole of integral shaft babinet or split type axle box, maze trough and thrust surface in process or in assembling process by manual operation, not only detection efficiency is high, and different surfaces to be measured can be detected simultaneously with a tooling, it is versatile, and manufacturing cost is reduced, improve product quality.
Description
Technical field
The utility model is related to a kind of axiality detection device, more particularly to a kind of axle box bearing hole and maze trough it is same
Axis degree detecting tool, belongs to rail vehicle manufacturing technology field.
Background technology
According to the requirement that rail vehicle designs, axle box maze trough processing technology is determined：Boring bearing hole is to size, with axis
Bearing bore positions turning maze trough, needs to detect itself and bearing hole concentricity after the groove processing of labyrinth, and design standard provides, in maze trough,
Exit orifice must not exceed 0.1mm with bearing hole concentricity, and when this geometric tolerance is above standard range, workpiece will scrap processing.
In addition, to adapt to railway parent company about single-wheel to not lifting the requirement of vehicle replacement, in standard EMU and high and cold dynamic
Split type axle box structure is used in vehicle group to substitute original integrated shaft babinet.According to the processing technology of split type axle box
It is required that axle box needs to detach upper and lower babinet after finishing, bolt and plain cushion, spring washer torque spanner weight are used after 4 hours
New assembling requires to measure each section hole size after assembling, in the margin of tolerance.Split type axle box passes through conventional machining process
Afterwards, need to through devaning, mould assembling, transport, all multi-process such as paint, axle box assembling go to it is inconsistent toward there is bearing pore size,
There is the problems such as Light deformation in the bearing hole dimension overproof of different parts, axle box, lead to low qualified after assembling, manufacturing cost
It improves, the production cycle lengthens.
In traditional technique, it is first centering locating shaft before clamping workpiece, coordinates precision to protect by locating shaft and bearing hole
Concentricity is demonstrate,proved, after processing is completed, the concentricity of the bearing hole and maze trough of axle box is detected using three coordinate detecting devices, it is this
Method has the disadvantage that：It can not be detected in processing and assembling process, when three coordinate measurements find that workpiece is overproof, workpiece can not
It repairs, causes quality problems, then have three coordinate measurements of high cost, it is inconvenient for operation.It would therefore be highly desirable to a kind of simple in structure, operation
Convenient tooling is detected with the concentricity for solving axle box bearing hole and maze trough.
Utility model content
Mainly dissatisfied the technical issues of determining, is to provide a kind of simple in structure, easy to operate, detection efficiency height to the utility model,
And versatile axle box concentricity detecting tool.
To achieve the above object, the technical solution of the utility model is：
A kind of axle box concentricity detecting tool, including two groups of positioning regions and detection device pass through between two groups of positioning regions
Interconnecting piece connects, and every group of positioning region has with bearing internal surface of hole against the first positioning surface of positioning and with thrust surface against positioning
The second positioning surface, two first positioning surfaces are two cambered surfaces on the same circumference, and the detection device is mounted on two
The centre of group positioning region or the outside of one group of positioning region installed therein, two groups of positioning regions are along bearing internal surface of hole and thrust
The detection device is resisted against surface to be measured and is slided along surface to be measured when the sliding of face.
Further, the detection device is mounted on the interconnecting piece among two positioning regions, is opened up in the centre of interconnecting piece
There is at least one first mounting hole, the detection device is installed in the first mounting hole, or fixes one in the first mounting hole
One mounting bracket, the detection device are mounted on the first mounting bracket.
Further, it is provided with a mounting base on the outside of one group of positioning region wherein, at least one is opened up in the mounting base
A second mounting hole installs the detection device in the second mounting hole, or one second mounting bracket is fixed in the second mounting hole,
The detection device is mounted on the second mounting bracket.
Further, the mounting base is stretched out from the front end of the positioning region of place side to side.
Further, the detection device after mounting, axis it is parallel with horizontal plane or with horizontal plane or and water
There is plane an angle, the detection device installed in different mounting holes to be slided respectively along different surfaces to be measured.
Further, the positioning region is rectangular parallelepiped structure, and the side of front end is first positioning surface, front end
Bottom surface is second positioning surface.
Further, there is an angle between the axis of two groups of positioning regions.
Further, the angle between two groups of positioning region axis is 120 °.
Further, the interconnecting piece is arc.
Further, the surface to be measured is maze trough inner surface, bearing internal surface of hole or thrust surface surface.
In conclusion a kind of axle box concentricity detecting tool provided by the utility model, simple in structure, it is easy to operate,
The axis to integral shaft babinet or split type axle box can be completed in process or in assembling process by manual operation
The concentricity of bearing bore, maze trough and thrust surface detects, and not only detection efficiency is high, and can be waited for simultaneously different with a tooling
Surface is surveyed to be detected, it is versatile.The tooling enriches the detection means of axle box, and reduces manufacturing cost, is processing
With can be carried out in time in assembling process self-test, mutually inspection, improve product quality.
Description of the drawings
Fig. 1 is one tool structure figure of the utility model embodiment；
Fig. 2 is the lateral view of Fig. 1；
Fig. 3 is structure chart of one tooling of the utility model embodiment in test；
Fig. 4 is the A-A sectional views of Fig. 3；
Fig. 5 is four tool structure figure of the utility model embodiment；
Fig. 6 is the lateral view of Fig. 4；
Fig. 7 is structure chart of four tooling of the utility model embodiment in test.
As shown in Figures 1 to 7, positioning region 1, amesdial 2, interconnecting piece 3, bearing hole 4, thrust surface 5, the first positioning surface 6, the
It is flat to tilt installation for two positioning surfaces 7, the first mounting bracket 8, maze trough 9, mounting base 10, the second mounting hole 11, vertical mounting plane 12
Face 13, single-piece axle box 14.
Specific implementation mode
The utility model is described in further detail with specific implementation mode below in conjunction with the accompanying drawings：
Embodiment one：
As shown in Figures 1 to 4, a kind of axle box concentricity detecting tool provided by the utility model, including two groups of positioning
Portion 1 and detection device are connected by interconnecting piece 3 between two groups of positioning regions 1, and detection device uses amesdial 2, measurement range 0
~10mm, detection device can also use dial gauge etc..
Every group of positioning region 1 have with 4 inner surface of bearing hole against the first positioning surface 6 of positioning and in bearing hole 4 only
For pushing surface 5 against the second positioning surface 7 of positioning, two the first positioning surfaces 6 are two cambered surfaces on the same circumference, the diameter of circumference
Match with the diameter of bearing hole 3, two the second positioning surfaces 7 are in same level.In the present embodiment, positioning region 1 is preferably adopted
With the structure of cuboid, the side (i.e. the side of vertical direction) of front end is cambered surface as the first positioning surface 6, front end
Bottom surface (bottom surface i.e. in horizontal direction), which is plane, has a folder as the second positioning surface 7, between the axis of two groups of positioning regions 1
Angle, the angle are preferably 120 °, to ensure to be accurately positioned always in sliding process.
Two groups of positioning regions 1 are set up separately in the both sides of interconnecting piece 3, and when using the tooling, hand is held in centre and connects operating personnel
The position of socket part 3.Interconnecting piece 3 is preferably using the structure of arc for being recessed inwardly or outwardly protruding, in the present embodiment, interconnecting piece 3
It is preferred that using the arcuate structure being recessed to 4 inner surface direction of bearing hole, personnel's hand easy to operation holds rotation.Interconnecting piece 3 and two
A positioning region 1 is whole to be an integral structure, and is made up of finishing, to ensure positioning and accuracy of detection.
In the present embodiment, amesdial 2 is mounted on the interconnecting piece 3 among two groups of positioning regions 1, is opened in the centre of interconnecting piece 3
It (is not indicated in figure) equipped with the first mounting hole, fixes first mounting bracket 8 in the first mounting hole, the one of the first mounting bracket 8
End is inserted into the first mounting hole and is fixed again by puller bolt.
First mounting hole is vertical hole, i.e., the axis of the first mounting hole is vertical line, and the first mounting bracket 8 is the bar of linear type
Shape structure is arranged again in the top position of the first mounting bracket 8 there are one mounting hole, and mounting hole is lateral aperture, and amesdial 2 is horizontal to be inserted
Enter in mounting hole and is fixed on the first mounting bracket 8 by puller bolt 9.Certainly, the first mounting hole may be lateral aperture, the
One mounting bracket 8 is L-shaped structure, and one end is inserted into the first mounting hole, and the other end installs amesdial 2.
As shown in Figure 3 and Figure 4, when such structure installation, can be used for detecting the concentricity between bearing hole 4 and maze trough 9.
Two the first positioning surfaces 6 are closely attached on the inner surface of bearing hole 4, while two the second positioning surfaces 7 are closely attached on thrust surface 5.Thousand
The probe of point table 2 is resisted against on the inner surface of maze trough 9, and adjust the pressure between amesdial 2 and maze trough 9 reach 0.4~
Between 0.5mm, ensure that the detecting tool all can be used in axle box semifinishing and finishing passes without adjusting pressure
Value fixes amesdial 2 using puller bolt 9.When detection, 360 ° of operator's manual rotation tooling makes two the first positioning surfaces 6
It is slided simultaneously along 4 inner surface of bearing hole and thrust surface 5 with two the second positioning surfaces 7, the probe of amesdial 2 is along maze trough 9
Surface is slided, and is shown by the pointer of amesdial 2, you can whether the concentricity for directly measuring bearing hole 4 and maze trough 9 meets and set
Meter requires.
The detecting tool provided in the present embodiment, you can to detect integral shaft babinet, split type axle box can also be detected
The bearing hole of body and the concentricity of maze trough, it is not only simple in structure, versatile and easy to operate, be by manual operation
The same of axle box maze trough 9 and bearing hole 4 can be accurately detected in the case where not dismantling workpiece during turning maze trough
Axis degree solves the problems, such as that maze trough position of related features can not be detected accurately in turning process existing for such axle box.The tooling
Enrich the detection means of axle box, it is not necessary to three coordinate measuring machine detection axle box concentricity is occupied, manufacturing cost is reduced,
Self-test, mutually inspection can be carried out in process in time, improves product quality.
Embodiment two：
The difference is that, in the present embodiment, amesdial 2 is directly fixedly mounted on the first of interconnecting piece 3 with embodiment one
In mounting hole, the first mounting hole is lateral aperture, and amesdial 2 is horizontally inserted into the first mounting hole and is fixed on company by puller bolt
In socket part 3.
When such structure installation, the bearing hole 4 that can be used for detecting two seperated single-piece axle boxes is coaxial after mould assembling
Degree, when detecting, allows amesdial 2 to be resisted against on the inner surface of bearing hole 4 and slips over two axle box mould assembling in rotational slide
The seam crossing of position, is shown by the pointer of amesdial 2, you can directly measure the bearing holes 4 of two semicircles after mould assembling whether
There is the case where mould shift, and accurately detect mould shift offset, that is, whether the concentricity for detecting two bearing holes 4 meets design requirement.
Embodiment three：
The difference is that, opened up on interconnecting piece 3 there are two the first mounting hole with embodiment one and embodiment two, wherein
One the first mounting hole is vertical hole or lateral aperture as described in embodiment one or embodiment two, for install amesdial 2 or
First mounting bracket 8.Another first mounting hole can be vertically disposed hole, or the hole being obliquely installed, in first peace
It fills and amesdial 2 is installed in hole, read from the external observation of bearing hole 4 for the ease of operator, preferably first mounting hole is to incline
The hole being tiltedly arranged.An extension (not shown) is extended inwardly again in the side of interconnecting piece 3, and setting should on the extension
The probe of inclined first mounting hole, the amesdial 2 in first mounting hole can be resisted against on the surface of thrust surface 5
And slided along the surface of thrust surface 5, whether the thrust surface 5 of two axle boxes of detection has the case where mould shift in mould assembling seam crossing, and
Accurate detection mould shift offset.
It is of course also possible to amesdial 2 is installed simultaneously in two the first mounting holes, and during rotation, at the same it is right
Different surfaces to be measured are detected, and can such as detect the mould assembling precision of bearing hole 4 and thrust surface 5 simultaneously, or in detection bearing
The mould assembling precision that thrust surface 5 is detected while the concentricity of hole 4 and maze trough 9 improves the versatility of tooling, and whole knot
Structure is simple, and operation is convenient to.
Example IV：
As shown in Figure 5 and Figure 6, place unlike the embodiments above is, in the present embodiment, detection device is mounted on it
In one group of positioning region 1 outside, such as by detection device be mounted on right positioner portion 1 outside.It is used in particular for detecting split type axis
Babinet, the split type axle box are formed by two 14 mould assembling of single-piece axle box.
The outside in right positioner portion 1 is provided with a mounting base 10, mounting base 10 is from the front end in right positioner portion 1 to one
Side is stretched out, and the second mounting hole 11 is opened up in mounting base 10.Interconnecting piece 3, positioning region 1 and mounting base 10 are an integral structure, and
It is made by finishing, to ensure positioning and accuracy of detection.
In the present embodiment, opened up in mounting base 10 there are two the second mounting hole 11, accordingly there are two portions for tool for mounting base 10
Point, a part has vertical mounting plane 12, and another part, which has, tilts mounting plane 13.
Second mounting hole 11 is opened up on vertical mounting plane 12, which is lateral aperture, amesdial 2
It is inserted into second mounting hole 11, is fixed by puller bolt (not shown) from horizontal direction, when rotation, the amesdial 2
It is resisted against on the inner surface of bearing hole 4.
Another the second mounting hole 11 is offered tilting mounting plane 13, which is vertical hole or inclination
Hole, in the present embodiment, it is preferred to use angling hole, axis with horizontal plane there is an angle for being less than 90 °, the amesdial 2 to tilt
In second mounting hole 11, in order to which operator reads from the external observation of bearing hole 4.When rotation, which supports
On the surface for leaning against thrust surface 5.
As shown in fig. 7, when detecting, two the first positioning surfaces 6 are closely attached to the bearing hole 4 of one of single-piece axle box 14
Inner surface on, while two the second positioning surfaces 7 are closely attached on the thrust surface 5 in the bearing hole 4.The amesdial 2 being horizontally mounted
Probe be resisted against on the inner surface of bearing hole 4, the probe for tilting the amesdial 2 of installation is resisted against on the surface of thrust surface 5.Inspection
When survey, 360 ° of operator's manual rotation tooling makes two the first positioning surfaces 6 and two the second positioning surfaces 7 simultaneously along same
The inner surface and thrust surface 5 of the bearing hole 4 of semicircle slide, and amesdial 2 slips over two single-piece axle boxes 14 in rotational slide and closes
The seam crossing of case position, is shown by the pointer of amesdial 2, you can directly measure the bearing hole 4 of two semicircles is after mould assembling
It is no to have the case where mould shift, and accurately detect mould shift offset, that is, detecting concentricity of the bearing hole 4 of two semicircles after mould assembling is
It is no to meet design requirement.
Certainly, in mounting base 10 can also only be arranged second mounting hole 11, second mounting hole 11 or for level
Hole or it is angling hole or is vertical hole, only plants mounting structure, be served only for the inner surface or thrust surface 5 of detection bearing hole 4
Surface mould assembling precision.
Embodiment five：
The difference is that, one second installation can also be fixed again in wherein second mounting hole 11 with example IV
Frame (not shown), by installation amesdial 2 on the second mounting bracket, the one horizontal fixation of setting at the top of the second mounting bracket
Hole, is horizontally mounted an amesdial 2 in mounting hole, and the probe of the amesdial 2 is resisted against on the inner surface of maze trough 9.It is such
Mounting structure can also detect maze trough 9 in the case where detecting the surface mould assembling precision of 4 inner surface of bearing hole or thrust surface 5
With the concentricity between bearing hole 4.
As described above, the plan content in conjunction with given by attached drawing, can derive similar technical solution.In every case it is not de-
Content from technical solutions of the utility model is made by the above technical examples according to the technical essence of the present invention any simple
Modification, equivalent variations and modification, are still within the scope of the technical solutions of the present invention.
Claims (10)
1. a kind of axle box concentricity detecting tool, it is characterised in that：Including two groups of positioning regions and detection device, two groups of positioning regions
Between connected by interconnecting piece, every group of positioning region has with bearing internal surface of hole against the first positioning surface and and thrust surface of positioning
Against the second positioning surface of positioning, two first positioning surfaces are two cambered surfaces on the same circumference, the detection device
Mounted on the centre of two groups of positioning regions or the outside of one group of positioning region installed therein, two groups of positioning regions table along bearing hole
The detection device is resisted against surface to be measured and is slided along surface to be measured when face and thrust surface sliding.
2. a kind of axle box concentricity detecting tool according to claim 1, it is characterised in that：The detection device installation
On the interconnecting piece among two positioning regions, at least one first mounting hole is offered in the centre of interconnecting piece, in the first installation
The detection device is installed in hole, or fixes one first mounting bracket in the first mounting hole, the detection device is mounted on first
On mounting bracket.
3. a kind of axle box concentricity detecting tool according to claim 1, it is characterised in that：One group of positioning region wherein
Outside be provided with a mounting base, at least one second mounting hole is opened up in the mounting base, is installed in the second mounting hole
The detection device, or one second mounting bracket is fixed in the second mounting hole, the detection device is mounted on the second mounting bracket.
4. a kind of axle box concentricity detecting tool according to claim 3, it is characterised in that：The mounting base is by place
The front end of the positioning region of side is stretched out to side.
5. a kind of axle box concentricity detecting tool according to claim 2 or 3, it is characterised in that：The detection device
After mounting, axis is parallel with horizontal plane or has an angle with horizontal plane or with horizontal plane, in different mounting holes
The detection device of interior installation is slided along different surfaces to be measured respectively.
6. a kind of axle box concentricity detecting tool according to claim 1, it is characterised in that：The positioning region is rectangular
The side of body structure, front end is first positioning surface, and the bottom surface of front end is second positioning surface.
7. a kind of axle box concentricity detecting tool according to claim 6, it is characterised in that：The axis of two groups of positioning regions
Between have an angle.
8. a kind of axle box concentricity detecting tool according to claim 7, it is characterised in that：Two groups of positioning region axis it
Between angle be 120 °.
9. a kind of axle box concentricity detecting tool according to claim 1, it is characterised in that：The interconnecting piece is arc
Shape.
10. a kind of axle box concentricity detecting tool according to claim 1, it is characterised in that：The surface to be measured is
Maze trough inner surface, bearing internal surface of hole or thrust surface surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820007950.0U CN207741684U (en) | 2018-01-03 | 2018-01-03 | A kind of axle box concentricity detecting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820007950.0U CN207741684U (en) | 2018-01-03 | 2018-01-03 | A kind of axle box concentricity detecting tool |
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| Publication Number | Publication Date |
|---|---|
| CN207741684U true CN207741684U (en) | 2018-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820007950.0U Active CN207741684U (en) | 2018-01-03 | 2018-01-03 | A kind of axle box concentricity detecting tool |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108020148A (en) * | 2018-01-03 | 2018-05-11 | 中车青岛四方机车车辆股份有限公司 | A kind of axle box concentricity detecting tool |
-
2018
- 2018-01-03 CN CN201820007950.0U patent/CN207741684U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108020148A (en) * | 2018-01-03 | 2018-05-11 | 中车青岛四方机车车辆股份有限公司 | A kind of axle box concentricity detecting tool |
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