CN104457530A - Brake pipe joint concentricity detection tool - Google Patents
Brake pipe joint concentricity detection tool Download PDFInfo
- Publication number
- CN104457530A CN104457530A CN201310418157.1A CN201310418157A CN104457530A CN 104457530 A CN104457530 A CN 104457530A CN 201310418157 A CN201310418157 A CN 201310418157A CN 104457530 A CN104457530 A CN 104457530A
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- China
- Prior art keywords
- brake pipe
- pipe joint
- bracing frame
- dial gauge
- detection tool
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention relates to an automobile manufacture field, and concretely discloses a brake pipe joint concentricity detection tool which comprises an indicating gauge, a bracing frame and a rotary detection shaft. The indicating gauge is fixed to the bracing frame; the rotary detection shaft is inserted to the bracing frame, and can rotate freely relative to the bracing frame; the bracing frame and a brake pipe joint are in connection; one end of the rotary detection shaft is in contact cooperation with a measuring head of the indicating gauge, and the other end is in contact cooperation with the brake pipe joint. According to the invention, the bracing frame and the brake pipe joint are in connection to simulate a real connection format between the brake pipe joint and a braking system; the indicating gauge and the rotary detection shaft are in cooperation to detect the concentricity of the brake pipe joint, thereby solving the problem that in the prior art, the concentricity of the brake pipe joint can not be detected in an effective and reasonable mode; in addition, the brake pipe joint concentricity detection tool has the characteristics of simple structure, convenient manufacturing, low cost and strong versatility, and is easy to perform batch production and to popularize and use.
Description
Technical field
The present invention relates to automobile manufacturing field, particularly relate to a kind of brake pipe joint concentricity detection tool.
Background technology
Brake pipe is as the critical component of brake system, and it is related to the security performance of car load.Brake pipe joint is carried out to the detection of manufacturing accuracy and concentricity, can ensure each parts of brake pipe and brake system be connected after reliability and sealing, thus ensure that the normal work of brake system, but, at present effective and reasonable detection means also be there is no to the manufacturing accuracy of brake pipe joint or concentricity.
Summary of the invention
(1) technical matters that will solve
The object of this invention is to provide a kind of brake pipe joint concentricity detection tool, to overcome the problem in prior art, the manufacture concentricity of brake pipe joint not being had to effective and reasonable detection means.
(2) technical scheme
In order to solve the problems of the technologies described above, the invention provides a kind of brake pipe joint concentricity detection tool, comprise dial gauge, bracing frame and rotation detection axis, described dial gauge is fixed on bracing frame, described rotation detection axis to be inserted on bracing frame and can to rotate freely relative to bracing frame, support frame as described above is connected with brake pipe joint, and described one end of rotation detection axis contacts with the measuring head of dial gauge and coordinates, and the other end is used for coordinating with brake pipe junction contacts.
Preferably, the contact cooperation place of described rotation detection axis and brake pipe joint is cone structure, and the size of described cone structure is corresponding with the standard size of the conical surface opening of brake pipe joint.
Preferably, described rotation detection axis is provided with the roller for controlling to rotate detection axis rotation.
Preferably, support frame as described above is provided with the interface for being fixedly connected with brake pipe joint, and described rotation detection axis and brake pipe joint contact and coordinate in the described interface of bracing frame.
Preferably, the inner side of described interface is provided with the helicitic texture corresponding with brake pipe joint.
Preferably, the sleeve of described dial gauge is inserted in one end of bracing frame and is fixedly connected with bracing frame, the sounding rod of described dial gauge can move along its axial stretching relative to bracing frame, described rotation detection axis is inserted in the other end of bracing frame, and the roller of described rotation detection axis is positioned at the middle part of bracing frame and exposes bracing frame.
Preferably, be provided with lock sleeve between the sleeve of described dial gauge and bracing frame, support frame as described above is provided with the pilot hole corresponding with lock sleeve, and dial gauge is fixedly connected on bracing frame with coordinating of lock-screw by described pilot hole by described lock sleeve.
Preferably, the outside of described roller is provided with annular knurl.
Preferably, the measuring accuracy of described dial gauge is 0.01mm.
Preferably, the material of support frame as described above and turning axle is No. 45 steel.
(3) beneficial effect
Brake pipe joint concentricity detection tool of the present invention comprises dial gauge, bracing frame and rotation detection axis, the actual type of attachment of simulating brake tubing sub and brake system is connected to come by bracing frame and brake pipe joint, and coordinate to come the concentricity of brake pipe joint by dial gauge and rotation detection axis, solve the problem in prior art, the manufacture concentricity of brake pipe joint not being had to effective and reasonable detection means, and this testing tool structure is simple, easily manufactured, with low cost, highly versatile, is easy to batch production and promotes the use of.
Accompanying drawing explanation
Fig. 1 is the sectional structure chart of the brake pipe joint concentricity detection tool of the embodiment of the present invention;
Fig. 2 is the structural drawing of the bracing frame of the brake pipe joint concentricity detection tool of the embodiment of the present invention;
Fig. 3 is the structural drawing of the rotation detection axis of the brake pipe joint concentricity detection tool of the embodiment of the present invention.
In figure, 1: dial gauge; 2: sounding rod; 3: measuring head; 4: bracing frame; 5: interface; 6: lock sleeve; 7: roller; 8: rotate detection axis; 9: pilot hole.
Embodiment
Below in conjunction with drawings and Examples, embodiments of the present invention are described in further detail.Following examples for illustration of the present invention, but can not be used for limiting the scope of the invention.
As Figure 1-3, the brake pipe joint concentricity detection tool of the present embodiment comprises dial gauge 1, bracing frame 4 and rotates detection axis 8, and wherein, the material of bracing frame 4 and rotation detection axis 8 is nonabradable No. 45 steel.
Dial gauge 1 is for the reading of measurement data, its lower end is respectively equipped with sleeve, sounding rod 2 and measuring head 3, the dial plate of described sleeve and dial gauge 1 is fixed together, sounding rod 2 be located at sleeve inside and can along its axis direction telescopic moving, measuring head is located at the lower end of sounding rod 2, sounding rod 2 is driven to move the displacement data that dial gauge 1 can be made to read needs measurement along the axis direction of sounding rod 2 by measuring head 3, the precision of dial gauge 1 is 0.01mm, and it can meet the service precision of existing automobile brake pipe joint.
The lower end of rotation detection axis 8 is provided with the cone structure for coordinating with brake pipe joint, the physical dimension of described cone structure is corresponding with the normal structure size of the conical surface opening of brake pipe joint, this cone structure can realize general for the brake pipe joint of equivalent specifications, the top rotating detection axis 8 is provided with roller 7, roller 7 is fixed together by interference fit with rotation detection axis 8, roller 7 is for controlling the rotation along its axis direction rotating detection axis 8, the outside of roller 7 is also provided with annular knurl, for increasing the contact friction force of roller 7, be convenient to the rotation controlling to rotate detection axis 8.
Two parts up and down of bracing frame 4 are the column being provided with the through hole that above-below direction extends, be two parallel strips in the middle part of it, the sleeve of dial gauge 1 is inserted in the through hole on bracing frame 4 top, a lock sleeve 6 is provided with between the sleeve of dial gauge 1 and bracing frame 4, lock sleeve 6 is for being provided with the round sleeve-like structure of an opening, bracing frame 4 is provided with pilot hole 9 at the correspondence position with lock sleeve 6, the sleeve of dial gauge 1 is fixed on bracing frame 4 by pilot hole with coordinating of lock-screw by lock sleeve 6, thus dial gauge 1 is fixed on the top of bracing frame 4, the lower end of bracing frame 4 is provided with the interface 5 for being fixedly connected with brake pipe joint, the inner side of interface 5 is provided with the helicitic texture corresponding with the screw thread outside brake pipe joint, this helicitic texture of interface 5 develops manufacture according to the standard thread specification of brake pipe joint, brake pipe can be tightened onto on the interface 5 of bracing frame 4 easily, it goes for current passenger car automobile most of brake pipe used substantially, rotating detection axis 8 is inserted in the through hole of bracing frame 4 bottom, its can relatively and bracing frame 4 rotate freely around its axis direction in described through hole, the rotation upper end of detection axis 8 contacts with the measuring head 3 of dial gauge 1 and coordinates, between the strip that in the middle part of bracing frame 4 two of the roller 7 on its top are parallel, roller 7 exposes bracing frame 4, the cone structure rotating the lower end of detection axis 8 is used for coordinating with the conical surface openings contact of brake pipe joint, coordinate with the conical surface openings contact of brake pipe joint when brake pipe joint injects the rotation cone structure of detection axis 8 lower end after in the interface 5 of bracing frame 4, the outside of bracing frame 4 is also provided with annular knurl, so that the gripping of bracing frame 4.
The brake pipe joint concentricity detection tool of the present embodiment is by the interface 5 simulating brake tubing sub of bracing frame 4 and the actual type of attachment of brake system, and by judging the goodness of fit rotating the cone structure of detection axis 8 and the conical surface opening of brake pipe joint, detect the concentricity of brake pipe joint.Its specific works principle is: brake pipe joint 8 insert bracing frame 4 interface and after being fastened and fixed, rotate the cone structure of detection axis 8 to coordinate with the conical surface openings contact of brake pipe joint, rotation detection axis 8 is rotated around its axis direction, conical surface opening machining precision as brake pipe joint is inadequate, namely concentricity does not meet the demands, remain consistent owing to rotating the cone structure of detection axis 8 with the peak of the conical surface opening of brake pipe joint, play in the axial direction can be there is in rotation detection axis 8, this play passes to the measuring head 3 of dial gauge 1, then make sounding rod 2 along its axis direction telescopic moving, dial gauge 1 demonstrates the data of measurement, achieve the detection to measured brake pipe joint manufacturing accuracy and concentricity.
Concrete structure of the present invention also suitably can adjust according to actual conditions, and it mainly by measuring the goodness of fit rotating the conical surface mechanism of detection axis and the conical surface opening of brake pipe joint, detects the concentricity of brake pipe joint.The invention solves the problem in prior art, the manufacture concentricity of brake pipe joint not being had to effective and reasonable detection means, and this testing tool structure is simple, easily manufactured, with low cost, highly versatile, is easy to batch production and promotes the use of.
Embodiments of the invention provide in order to example with for the purpose of describing, and are not exhaustively or limit the invention to disclosed form.Many modifications and variations are apparent for the ordinary skill in the art.Selecting and describing embodiment is in order to principle of the present invention and practical application are better described, and enables those of ordinary skill in the art understand the present invention thus design the various embodiments with various amendment being suitable for special-purpose.
Claims (10)
1. a brake pipe joint concentricity detection tool, it is characterized in that, comprise dial gauge, bracing frame and rotation detection axis, described dial gauge is fixed on bracing frame, described rotation detection axis to be inserted on bracing frame and can to rotate freely relative to bracing frame, support frame as described above is connected with brake pipe joint, and described one end of rotation detection axis contacts with the measuring head of dial gauge and coordinates, and the other end is used for coordinating with brake pipe junction contacts.
2. brake pipe joint concentricity detection tool according to claim 1, it is characterized in that, the contact cooperation place of described rotation detection axis and brake pipe joint is cone structure, and the size of described cone structure is corresponding with the standard size of the conical surface opening of brake pipe joint.
3. brake pipe joint concentricity detection tool according to claim 2, is characterized in that, described rotation detection axis is provided with the roller for controlling to rotate detection axis rotation.
4. brake pipe joint concentricity detection tool according to claim 3, it is characterized in that, support frame as described above is provided with the interface for being fixedly connected with brake pipe joint, and described rotation detection axis and brake pipe joint contact and coordinate in the described interface of bracing frame.
5. brake pipe joint concentricity detection tool according to claim 4, is characterized in that, the inner side of described interface is provided with the helicitic texture corresponding with brake pipe joint.
6. brake pipe joint concentricity detection tool according to claim 5, it is characterized in that, the sleeve of described dial gauge is inserted in one end of bracing frame and is fixedly connected with bracing frame, the sounding rod of described dial gauge can move along its axial stretching relative to bracing frame, described rotation detection axis is inserted in the other end of bracing frame, and the roller of described rotation detection axis is positioned at the middle part of bracing frame and exposes bracing frame.
7. brake pipe joint concentricity detection tool according to claim 6, it is characterized in that, lock sleeve is provided with between the sleeve of described dial gauge and bracing frame, support frame as described above is provided with the pilot hole corresponding with lock sleeve, and dial gauge is fixedly connected on bracing frame with coordinating of lock-screw by described pilot hole by described lock sleeve.
8. brake pipe joint concentricity detection tool according to claim 3, it is characterized in that, the outside of described roller is provided with annular knurl.
9. brake pipe joint concentricity detection tool according to claim 1, is characterized in that, the measuring accuracy of described dial gauge is 0.01mm.
10. according to the brake pipe joint concentricity detection tool in claim 1-9 described in any one, it is characterized in that, the material of support frame as described above and turning axle is No. 45 steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310418157.1A CN104457530A (en) | 2013-09-13 | 2013-09-13 | Brake pipe joint concentricity detection tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310418157.1A CN104457530A (en) | 2013-09-13 | 2013-09-13 | Brake pipe joint concentricity detection tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104457530A true CN104457530A (en) | 2015-03-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310418157.1A Pending CN104457530A (en) | 2013-09-13 | 2013-09-13 | Brake pipe joint concentricity detection tool |
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| Country | Link |
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| CN (1) | CN104457530A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06508680A (en) * | 1989-11-17 | 1994-09-29 | イリノイ ツール ワークス インコーポレイテッド | Apparatus and method for center determination and related measurements |
| EP0771405B1 (en) * | 1994-07-15 | 1999-01-27 | Hartmut Hacmann | Sensor head for internal measuring instruments |
| CN201731856U (en) * | 2010-03-05 | 2011-02-02 | 厦门永裕机械工业有限公司 | Concentricity measuring tool for brake pump of automobile |
| CN102087088A (en) * | 2010-11-05 | 2011-06-08 | 浙江菲达环保科技股份有限公司 | Detection positioning device for blow pipe of bag filter |
| CN102721344A (en) * | 2012-06-30 | 2012-10-10 | 长城汽车股份有限公司 | Cone runout detection device and cone runout detection method |
| CN102735148A (en) * | 2012-06-15 | 2012-10-17 | 河南万向系统制动器有限公司 | Inspection device for measuring coaxiality of pipe joint core of wheel cylinder |
| CN202994023U (en) * | 2012-11-30 | 2013-06-12 | 长城汽车股份有限公司 | Oil pipe joint conical surface run-out tolerance measurement fixture |
-
2013
- 2013-09-13 CN CN201310418157.1A patent/CN104457530A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06508680A (en) * | 1989-11-17 | 1994-09-29 | イリノイ ツール ワークス インコーポレイテッド | Apparatus and method for center determination and related measurements |
| EP0771405B1 (en) * | 1994-07-15 | 1999-01-27 | Hartmut Hacmann | Sensor head for internal measuring instruments |
| CN201731856U (en) * | 2010-03-05 | 2011-02-02 | 厦门永裕机械工业有限公司 | Concentricity measuring tool for brake pump of automobile |
| CN102087088A (en) * | 2010-11-05 | 2011-06-08 | 浙江菲达环保科技股份有限公司 | Detection positioning device for blow pipe of bag filter |
| CN102735148A (en) * | 2012-06-15 | 2012-10-17 | 河南万向系统制动器有限公司 | Inspection device for measuring coaxiality of pipe joint core of wheel cylinder |
| CN102721344A (en) * | 2012-06-30 | 2012-10-10 | 长城汽车股份有限公司 | Cone runout detection device and cone runout detection method |
| CN202994023U (en) * | 2012-11-30 | 2013-06-12 | 长城汽车股份有限公司 | Oil pipe joint conical surface run-out tolerance measurement fixture |
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Application publication date: 20150325 |