CN211953951U - Detection device for detecting locking angle width of joint tooth - Google Patents
Detection device for detecting locking angle width of joint tooth Download PDFInfo
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- CN211953951U CN211953951U CN201922376308.7U CN201922376308U CN211953951U CN 211953951 U CN211953951 U CN 211953951U CN 201922376308 U CN201922376308 U CN 201922376308U CN 211953951 U CN211953951 U CN 211953951U
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Abstract
The utility model discloses a detection device for detecting the locking angle width of an engaging tooth, belonging to the technical field of gear detection, comprising a base, a positioning device and a measuring device; the positioning device comprises a positioning seat arranged on a base, a positioning column used for sleeving the joint teeth is vertically arranged on the positioning seat, a plurality of supporting platforms used for supporting the joint teeth are arranged on the positioning seat along the circumferential direction of the positioning column, the upper surface of each supporting platform is lower than the upper surface of the positioning column, grooves along the radial direction of the positioning column are arranged on the upper surface of each supporting platform, the distance between each groove on each supporting platform and the axis of the positioning column is the radius of a locking angle of the joint tooth to be detected, and the width of each groove is the thickness of the locking angle of the joint; the measuring device comprises a support arranged on the base, a dial indicator used for detecting the width of the locking angle is arranged at the upper end of the support, and a measuring head of the dial indicator is vertically arranged downwards. The utility model discloses use special frock to carry out on-line measuring to engaging tooth locking angle width, the operation of being convenient for, the portability is high, has improved detection efficiency, has reduced the detection error.
Description
Technical Field
The utility model belongs to the technical field of the gear detects, especially, relate to a be used for detecting joint tooth locking angle width detection device.
Background
The gear of the engaging gear is a key part of the automobile transmission, the gear side of the engaging gear is provided with symmetrical locking surfaces, and the smooth gear shifting of an automobile in the running process can be realized through the linkage of the engaging gear and the engaging gear sleeve. A friction conical surface is arranged between the two locking surfaces, and the included angle between the friction conical surface and the tooth surface is not more than 50When the engaging teeth are detected, the length of a connecting line (herein, simply referred to as "locking angle thickness") between two lower end points of an intersecting line of a cylindrical surface with a radius (herein, simply referred to as "locking angle radius") of R and two locking surfaces is A, the width of the connecting line (herein, simply referred to as "locking angle width") between the connecting line and a tooth surface which is parallel to the tooth surface and is far away from the locking surface side of the engaging teeth is H, the width H needs to be ensured within a set range, and if the width H is not within the range, the gear shifting of the automobile is interfered, so that the gear shifting is not in place when a driver normally operates the gear shifting.
When detecting the H value, the current common practice is to send the sample piece to a laboratory for detection by using special laboratory equipment after production, and the detection mode has the defects that the detection procedure is complex and the sample piece needs to be transported to the laboratory; the detection time is long, and products to be detected in a laboratory are various and need to be queued for detection; the experimental cost is high; the detection samples are few, large-scale detection is difficult to realize, and if the samples are not representative, the failure rate of the engaging teeth is improved, and the normal operation of automobile gear shifting is influenced.
Disclosure of Invention
The utility model discloses a solve the problem that prior art exists and propose, its purpose provides one kind and uses special frock to carry out on-line measuring to engaging tooth locking angle width, the operation of being convenient for, and the portability is high, has improved detection efficiency, has reduced being used for of detection error and has detected engaging tooth locking angle width detection device.
The technical scheme of the utility model is that: a detection device for detecting the locking angle width of an engaging tooth comprises a base, a positioning device and a measuring device; the positioning device comprises a positioning seat arranged on a base, a positioning column used for sleeving the joint teeth is vertically arranged on the positioning seat, a plurality of supporting platforms used for supporting the joint teeth are arranged on the positioning seat along the circumferential direction of the positioning column, the upper surface of each supporting platform is lower than the upper surface of the positioning column, grooves along the radial direction of the positioning column are arranged on the upper surface of each supporting platform, the distance between each groove on each supporting platform and the axis of the positioning column is the radius of a locking angle of the joint tooth to be detected, and the width of each groove is the thickness of the locking angle of the joint tooth; the measuring device comprises a support arranged on the base, a dial indicator used for detecting the width of the locking angle is arranged at the upper end of the support, and a measuring head of the dial indicator is vertically arranged downwards.
Furthermore, a positioning hole is formed in the middle of the positioning seat;
the positioning column comprises a connecting section, the lower end of the connecting section is matched with the positioning hole; and the upper part of the connecting section is provided with a positioning section which is adaptive to the inner hole diameter of the joint tooth.
Furthermore, the diameter of the positioning section of the positioning column is larger than that of the connecting section, corresponding fastener mounting holes are formed in the outer circumference of the positioning section and the base, and the positioning column is fixedly connected to the base through the fasteners penetrating through the fastener mounting holes of the positioning section and the fastener mounting holes of the base.
Furthermore, the middle part of the positioning column is provided with a lightening hole along the axis direction of the positioning column.
Further, 3 pallets are arranged.
Furthermore, 3 the saddle evenly sets up in the reference column circumferencial direction.
Further, the bracket comprises an upright post and a horizontal rod, and the upright post is vertically arranged on the base; the utility model discloses a dial indicator, including the stand, the stand is equipped with the horizontal pole, the horizontal pole one end is equipped with and is used for slidable mounting the stand mounting hole of stand, mounting hole lateral wall spiral shell dress locking bolt, the horizontal pole other end is equipped with and is used for the installation the percentage table mounting hole of percentage table, percentage table mounting hole lateral wall spiral shell dress locking bolt.
In the utility model, a supporting platform is arranged on the base and used for axially positioning the joint teeth, so that the joint teeth are horizontally arranged on the supporting platform; the tray table is provided with a groove for positioning the engaging teeth in the circumferential direction; the measuring device is provided with the dial indicator for detecting the width of the locking angle of the engaging teeth, and the dial indicator is high in measuring precision and convenient to operate. When the locking face of joint tooth was worn to adorn to the reference column by downside direction on, can the accurate position of adjusting well to recess central line and joint tooth top circle central line of rotating, at this moment, the upper surface of joint tooth is promptly to the height of saddle upper surface the utility model discloses need survey numerical value, the utility model discloses a realize the on-line measuring of joint tooth locking angle width, the operation of being convenient for has improved detection efficiency, has reduced detection error, has reduced the fault rate of joint tooth, and conveniently carries, has reduced the detection cost.
Drawings
Fig. 1 is a schematic structural diagram of a detection device for detecting a locking angle width of an engaging tooth according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of the positioning device of FIG. 1 with the engagement teeth installed;
FIG. 3 is an enlarged side view at B in FIG. 2;
FIG. 4 is a top view of the positioning device of FIG. 1;
fig. 5 is a top view of an engaging tooth provided by an embodiment of the present invention.
Wherein: 1. a base; 2. a positioning device; 21. positioning seats; 22. a positioning column; 23. a saddle; 24. a groove; 25. positioning holes; 26. a connecting section; 27. a positioning section; 28. a fastener mounting hole; 29. lightening holes; 3. a measuring device; 31. a support; 32. a dial indicator; 33. a column; 34. a horizontal bar; 35. a column mounting hole; 36. a dial indicator mounting hole; 4. an engaging tooth; 41. a locking surface.
In the figure, R is the length of the radius of the locking corner, A is the length of the thickness of the locking corner, and H is the length of the width of the locking corner.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and examples:
a detecting device for detecting the locking angular width of an engaging tooth, as shown in FIGS. 1 to 5, includes a base 1, a positioning device 2 and a measuring device 3; the positioning device 2 comprises a positioning seat 21 arranged on the base 1, wherein a positioning column 22 used for sleeving the joint teeth 4 is vertically arranged on the positioning seat 21, a plurality of support platforms 23 used for supporting the joint teeth 4 are arranged on the positioning seat 21 along the circumferential direction of the positioning column 22, the upper surface of each support platform 23 is lower than the upper surface of the corresponding positioning column 22 and used for axially positioning the joint teeth 4, so that the joint teeth 4 are horizontally arranged on the support platforms 23, grooves 24 along the radial direction of the positioning columns 22 are arranged on the upper surfaces of the support platforms 23, the distance between the grooves 24 on the support platforms 23 and the axis of the positioning columns 22 is the locking angle radius of the joint teeth 4 to be detected, the width of each groove 24 is the locking angle thickness of the joint teeth 4 and used for circumferentially positioning the joint teeth 4; the measuring device 3 comprises a support 31 arranged on the base 1, a dial indicator 32 used for detecting the width of the locking angle is arranged at the upper end of the support 31, a measuring head of the dial indicator 32 is vertically arranged downwards and used for detecting the height from the upper surface of the joint tooth 4 to the upper surface of the supporting table 23, and the dial indicator 32 is high in measuring precision and convenient to operate. Preferably, the positioning seat 21, the groove 24, the positioning column 22 and the bracket 31 are all made of 20MnCr 5.
When the locking face 41 of joint tooth 4 was worn to adorn to reference column 22 by the downside direction on, can the accurate position of adjusting well to recess 24 central line and 4 addendum circle central lines of joint tooth, at this moment, the upper surface of joint tooth 4 highly promptly to saddle 23 upper surface the utility model discloses need survey numerical value, the utility model discloses a 4 locking angle width's of joint tooth on-line measuring, the operation of being convenient for has improved detection efficiency, has reduced detection error, has reduced the fault rate of joint tooth 4, and has conveniently carried, has reduced the detection cost.
In the embodiment of the present invention, as shown in fig. 2 and 4, a positioning hole 25 is disposed in the middle of the positioning seat 21; the positioning column 22 comprises a connecting section 26, the lower end of which is matched with the positioning hole 25; the upper part of the connecting section 26 is provided with a positioning section 27 which is adapted to the inner bore diameter of the engaging tooth 4. The positioning column 22 and the positioning seat 21 are designed in a split manner, and only the damaged part needs to be replaced after one of the positioning column and the positioning seat is damaged, so that the maintenance cost is reduced, and the production and the processing of the positioning device 2 are facilitated.
In the embodiment of the present invention, the diameter of the positioning section 27 of the positioning column 22 is greater than the diameter of the connecting section 26, so that the manufacturing cost of the positioning device 2 is reduced. The outer circumference of the positioning section 27 and the base 1 are provided with corresponding fastener mounting holes 28, and the positioning column 22 is fixedly connected to the base 1 through the fastener penetrating through the fastener mounting holes 28 of the positioning section 27 and the fastener mounting holes 28 of the base 1, so that the installation and the later maintenance are facilitated.
In the embodiment of the present invention, as shown in fig. 2 and 4, the middle of the positioning column 22 is provided with a lightening hole 29 along its own axis direction, which can improve the portability of the present invention and reduce the manufacturing cost.
The embodiment of the utility model provides an in, as shown in fig. 4, saddle 23 is equipped with 3, the steady of the joint tooth 4 of being convenient for place, and the even atress of each saddle 23 is favorable to prolonging the utility model discloses a life. 3 the saddle 23 is in evenly set up in the reference column 22 circumferencial direction, suits with the number of teeth of joining tooth 4, is favorable to the even atress of each saddle 23, improves measured data's accuracy.
In the embodiment of the present invention, as shown in fig. 1, the support 31 includes a vertical column 33 and a horizontal rod 34, the vertical column 33 is vertically disposed on the base 1; the utility model discloses a dial indicator, including horizontal pole 34, stand 33, mounting hole, dial indicator mounting hole 36, horizontal pole 34 one end is equipped with and is used for slidable mounting the stand mounting hole 35 of stand 33, the mounting hole lateral wall spiral shell dress locking bolt (not marking in the drawing), the horizontal pole 34 other end is equipped with and is used for installing the dial indicator mounting hole 36 of dial indicator 32, 36 lateral walls spiral shell dress locking bolt (not marking in the drawing).
In a specific embodiment, the lock angle radius R of the engaging tooth 4 is 45.8mm, the range of the lock angle thickness A is 1.49mm ~ 1.51mm, when detecting, the lock angle width range of the engaging tooth 4 should be between 3.4mm ~ 3.5mm, use the utility model discloses after detecting, portable carries out on-line measuring to the big lock angle width of engaging tooth 4 in batches, has improved detection efficiency, has reduced detection error, has reduced the detection cost, has further reduced the fault rate of engaging tooth 4.
The use method of the utility model is described below with reference to the accompanying drawings,
firstly, moving the base 1 to the lower part of the dial indicator 32, using a measuring head of the dial indicator 32 to contact the upper surface of the saddle 23, calibrating the dial indicator 32, and zeroing the pointer of the dial indicator 32; then, sleeving the joint tooth 4 on the positioning column 22, enabling the locking surface 41 of the joint tooth 4 to be lower, and rotating the joint tooth 4 to enable the center line of the groove 24 on the positioning seat 21 to be aligned with the addendum circle center line of the joint tooth 4; then, the measuring head of the dial indicator 32 is contacted with the upper surface of the engaging tooth 4, and an actual numerical value is read, wherein the numerical value is the locking angle width of the detecting position of the engaging tooth 4; finally, the positioning seat 21 is moved to make the measuring head of the dial indicator 32 respectively contact the upper surfaces of the joint teeth 4 on the three pallets 23, and the numerical values of the three points are detected together to detect the dispersion of the dimension.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. A detection device for detecting the locking angle width of an engaging tooth is characterized by comprising a base, a positioning device and a measuring device; the positioning device comprises a positioning seat arranged on a base, a positioning column used for sleeving the joint teeth is vertically arranged on the positioning seat, a plurality of supporting platforms used for supporting the joint teeth are arranged on the positioning seat along the circumferential direction of the positioning column, the upper surface of each supporting platform is lower than the upper surface of the positioning column, grooves along the radial direction of the positioning column are arranged on the upper surface of each supporting platform, the distance between each groove on each supporting platform and the axis of the positioning column is the radius of a locking angle of the joint tooth to be detected, and the width of each groove is the thickness of the locking angle of the joint tooth; the measuring device comprises a support arranged on the base, a dial indicator used for detecting the width of the locking angle is arranged at the upper end of the support, and a measuring head of the dial indicator is vertically arranged downwards.
2. The detecting device for detecting the locking angular width of an engaging tooth according to claim 1, wherein a positioning hole is provided at a middle position of the positioning seat;
the positioning column comprises a connecting section, the lower end of the connecting section is matched with the positioning hole; and the upper part of the connecting section is provided with a positioning section which is adaptive to the inner hole diameter of the joint tooth.
3. The detecting device for detecting the locking angular width of an engaging tooth according to claim 2, wherein the positioning column has a positioning section with a diameter larger than that of the connecting section, corresponding fastener mounting holes are provided on the outer circumference of the positioning section and the base, and the positioning column is fixedly connected to the base by fasteners passing through the fastener mounting holes of the positioning section and the fastener mounting holes of the base.
4. The detecting device for detecting the locking angular width of an engaging tooth according to claim 3, wherein a central portion of the positioning post is provided with a lightening hole in a direction of its own axis.
5. The apparatus for detecting an engaging tooth locking angular width according to claim 1, wherein there are 3 of the pallets.
6. The detecting device for detecting the locking angular width of an engaging tooth according to claim 1, wherein 3 of the stages are uniformly arranged in the circumferential direction of the positioning column.
7. The detecting device for detecting the locking angular width of an engaging tooth according to claim 1, wherein said bracket includes a vertical post and a horizontal rod, said vertical post being vertically provided on said base; the utility model discloses a dial indicator, including the stand, the stand is equipped with the horizontal pole, the horizontal pole one end is equipped with and is used for slidable mounting the stand mounting hole of stand, mounting hole lateral wall spiral shell dress locking bolt, the horizontal pole other end is equipped with and is used for the installation the percentage table mounting hole of percentage table, percentage table mounting hole lateral wall spiral shell dress locking bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922376308.7U CN211953951U (en) | 2019-12-26 | 2019-12-26 | Detection device for detecting locking angle width of joint tooth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922376308.7U CN211953951U (en) | 2019-12-26 | 2019-12-26 | Detection device for detecting locking angle width of joint tooth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211953951U true CN211953951U (en) | 2020-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922376308.7U Active CN211953951U (en) | 2019-12-26 | 2019-12-26 | Detection device for detecting locking angle width of joint tooth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211953951U (en) |
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2019
- 2019-12-26 CN CN201922376308.7U patent/CN211953951U/en active Active
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