CN209857834U - Universal joint symmetry degree gauge - Google Patents
Universal joint symmetry degree gauge Download PDFInfo
- Publication number
- CN209857834U CN209857834U CN201920785814.9U CN201920785814U CN209857834U CN 209857834 U CN209857834 U CN 209857834U CN 201920785814 U CN201920785814 U CN 201920785814U CN 209857834 U CN209857834 U CN 209857834U
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- sleeve
- universal joint
- measuring rod
- accommodating cavity
- gauge
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Abstract
The utility model provides a universal joint symmetry degree gauge, which comprises a base, a rotating device, a support column, a bracket and a detecting device; the rotating device is respectively connected with the base and the support column, a U-shaped limiting groove is formed in the top end of the support column, the support is fixed to the side end of the base and arranged in parallel to the support column, and an assembling hole is formed in the support; the detection device comprises a measuring rod, a sleeve, a spring and a micrometer, wherein two pull rods which are perpendicular to the measuring rod are arranged on the measuring rod, the measuring rod is partially sleeved in the sleeve, a sliding groove is formed in the side face of the sleeve, the pull rods stretch out of the sleeve through the sliding groove, one end of the spring is abutted to the inner wall of the sleeve, the other end of the spring is abutted to the pull rods, the micrometer comprises a thimble and a reading meter, and the thimble is embedded into the other end of the sleeve and is abutted to the end of the measuring rod. The utility model provides an utensil is examined to universal joint symmetry can place the universal joint in the symmetry that the spacing groove detected its bearing bowl, has reached the card of universal joint bearing bowl symmetry offset and has closed the purpose.
Description
Technical Field
The utility model relates to a mechanical detection technical field, in particular to utensil is examined to universal joint symmetry.
Background
In recent years, with the rapid development of the mechanical manufacturing industry and the progress of the mechanical technology in China, the competition in the field of mechanical processing is more and more intense, the requirement on the product quality is higher, the transmission shaft is used as an important part on an automobile chassis, and each host factory puts forward higher and higher requirements on various technical indexes of the transmission shaft assembly, so that the quality control of the transmission shaft assembly in the production and manufacturing process is more and more strict.
At present, in a transmission shaft assembly provided with a clamp spring type universal joint, the symmetry degree of a universal joint bearing bowl relative to the center of the transmission shaft is ensured by the symmetry degree of a clamp spring groove of a part during finish machining and the thickness tolerance of a clamp spring, and after the universal joint bearing bowl is installed, the symmetry degree of the universal joint is generally not checked.
However, the assembly error in the universal joint assembly process can not be brought into quality control due to the fact that the symmetry of the universal joint is not detected, and the dynamic balance quality of the transmission shaft assembly can be seriously influenced due to the fact that the symmetry of the universal joint bearing bowl is out of tolerance.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an utensil is examined to universal joint symmetry realizes the detection to universal joint bearing bowl symmetry.
The utility model provides a universal joint symmetry degree gauge, which comprises a base, a rotating device, a support column, a bracket and a detecting device; the rotating device is respectively connected with the base and the supporting column, a U-shaped limiting groove is formed in the top end of the supporting column, positioning holes are formed in two sides of the U-shaped limiting groove, the support is fixed to the side end of the base and arranged in parallel to the supporting column, an assembling hole is formed in the support, and the assembling hole is flush with the positioning holes; the detection device comprises a measuring rod, a sleeve, a spring and a micrometer, wherein two pull rods which are perpendicular to the measuring rod are arranged on the measuring rod, the measuring rod is partially sleeved in the sleeve, a sliding groove is formed in the side face of the sleeve, so that the pull rods stretch out of the sliding groove in the sleeve, one end of the spring is abutted to the inner wall of the sleeve, the other end of the spring is abutted to the pull rod, the micrometer comprises a thimble and a reading meter, and the thimble is embedded into the other end of the sleeve and is abutted to the end of the measuring rod.
Further, rotating device includes deep groove ball bearing, position sleeve and spline ring gage, deep groove ball bearing assemble in the middle part of base, the position sleeve is established the outside of support column, the support column receives the spline ring gage is spacing just the outer wall of spline ring gage with the position sleeve gomphosis.
Furthermore, a first screw hole and a second screw hole are respectively formed in the support and the sleeve, the first screw hole is communicated with the positioning hole from the top end of the support, the second screw hole is formed in one side close to the micrometer, and a positioning assembly is arranged in the two first screw holes and the two second screw holes in a penetrating mode, so that the detection device is fixed to the support, and the micrometer is fixed to the sleeve.
Furthermore, the positioning component is an inner hexagonal socket head cap screw.
Further, be equipped with the different holding chamber of three chamber footpath in the sleeve: the first accommodating cavity, the second accommodating cavity and the third accommodating cavity are formed, and the cavity diameter of the second accommodating cavity is larger than the cavity diameters of the first accommodating cavity and the third accommodating cavity.
Furthermore, be equipped with the stopper on the gauge rod, the stopper is located pull rod department, the diameter of stopper is less than the chamber footpath in second holding chamber just is greater than the chamber footpath in first holding chamber with the third holding chamber.
Furthermore, the pull rod is an inner hexagonal socket head cap screw.
The utility model provides a universal joint symmetry examines utensil, the support column and the support that set up are used for bearing the universal joint and the detection device that are detected respectively, and wherein support column and base pass through rotating device and rotate and connect, and during the detection, the gauge rod tightly laminates on universal joint bearing bowl terminal surface under the effect of spring, has guaranteed the parallel relation of universal joint both sides bearing bowl when measuring the symmetry, and the thimble of measuring the micrometer tightly laminates on the gauge rod terminal surface; when measuring the other end under the effect of pull rod, guaranteed that the support column can not interfere with the gauge rod at rotatory in-process to realized the measurement process, fixed of positioning reference and measuring reference, effectively guaranteed measurement accuracy.
Drawings
Fig. 1 is a schematic sectional structure view of a universal joint symmetry degree gauge provided in a first embodiment of the present invention;
fig. 2 is a top view of a universal joint symmetry degree checking fixture according to a first embodiment of the present invention;
fig. 3 is a schematic structural diagram of the detection device in fig. 2.
Description of the main elements
| Universal joint symmetry degree gauge | 10 | Base seat | 11 |
| Rotating device | 12 | Deep groove ball bearing | 121 |
| Spacing sleeve | 1211 | Locating sleeve | 122 |
| Spline ring gauge | 123 | Support column | 13 |
| Limiting groove | 131 | Locating hole | 132 |
| Support frame | 14 | Assembly hole | 141 |
| Detection device | 15 | Measuring bar | 151 |
| Pull rod | 1511 | Limiting block | 1512 |
| Sleeve barrel | 152 | Sliding chute | 1521 |
| A first accommodating cavity | 1522 | Second containing cavity | 1523 |
| The third containing cavity | 1524 | Spring | 153 |
| Micrometer | 154 | Thimble | 1541 |
| Reading table | 1542 | Positioning assembly | 16 |
The following detailed description of the invention will be further described in conjunction with the above-identified drawings.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Several embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to fig. 3, a universal joint symmetry degree testing fixture 10 according to an embodiment of the present invention is used for detecting the symmetry degree of a universal joint bearing bowl. The universal joint symmetry degree detection tool 10 specifically comprises a base 11, a rotating device 12, a supporting column 13, a support 14 and a detection device 15, wherein the rotating device 12 is respectively connected with the base 11 and the supporting column 13.
Specifically, the turning device 12 includes a deep groove ball bearing 121, a locating sleeve 122, and a spline ring gauge 123. The deep groove ball bearing 121 is embedded in the base 11, the locating sleeve 122 is partially embedded in the deep groove ball bearing 121, and the spline ring gauge 123 is fixed at the lower end of the locating sleeve 122. The support column 13 extends into the positioning sleeve 122 and the bottom of the support column is matched and embedded with the spline ring gauge 123. The upper end of the supporting column 13 is provided with a U-shaped limiting groove 131, and the U-shaped limiting groove 131 is used for placing the detected universal joint; the two sides of the U-shaped limiting groove 131 are provided with positioning holes 132, and the setting points of the positioning holes 132 are flush with the universal joint bearing bowl. The bracket 14 is fixed to the side end of the base 11 and arranged in parallel with the supporting column 13. The upper end of the bracket 14 is provided with a mounting hole 141, and the mounting hole 141 is flush with the positioning hole 132.
The detecting device 15 includes a measuring rod 151, a sleeve 152, a spring 153 and a micrometer 154, wherein one end of the measuring rod 151 passes through the assembling hole 141 and abuts against the positioning hole 132, and the other end of the measuring rod 151 is embedded in the sleeve 152. Two pull rods 1511 perpendicular to the measuring rod 151 are arranged at the side end of the measuring rod 151, a sliding groove 1521 is arranged at the side end of the sleeve 152, and the pull rods 1511 extend out of the sleeve 152 through the sliding groove 1521. The spring 153 is sleeved on the measuring rod 151, and two ends of the spring 153 respectively abut against the inner wall of the sleeve 152 and the pull rod 1511. The micrometer 154 includes a thimble 1541 and a value meter 1542, and the thimble 1541 extends from one end of the sleeve 152 and abuts against an end of the measuring rod 151.
During detection, the detected universal joint is placed in the limiting groove 131, the universal joint bearing bowl corresponds to the positioning hole 132, the measuring rod 151 penetrates through the positioning hole 132 and abuts against the universal joint bearing bowl, and the numerical value of the reading value meter 1542 is recorded; the pull rod 1511 is pulled rightwards, the supporting column 13 is rotated 180 degrees through the rotating device 12, the universal joint bearing bowl on the other side is abutted to the measuring rod 151, the numerical value of the reading table 1542 is recorded, and whether the detected universal joint bearing bowl is within the standard range can be judged by comparing the numerical value difference of the two reading tables 1542.
Further, in the present embodiment, the deep groove ball bearings 121 are provided in two layers stacked, and a spacer 1211 is provided between the deep groove ball bearings 121 to increase the frictional force between the adjacent deep groove ball bearings 121. It is understood that the deep groove ball bearing 121 may be provided as a single or several stacked layers. So that the base 11 and the supporting column 13 can achieve a good rotating connection effect.
It can be understood that, in order to adjust and control the accuracy of the detecting device 15, a first screw hole and a second screw hole are respectively formed on the bracket 14 and the measuring cylinder 152, the first screw hole is conducted to the positioning hole 141 from the top end of the bracket 14, the second screw hole is formed on one side close to the micrometer 154, the first screw hole and the second screw hole are both provided with a positioning assembly 16 in a penetrating manner, and the positioning assembly 16 is a socket head cap screw. In this embodiment, the positioning assembly employs an inner hexagonal socket head cap screw for fixing the detection device 15 and the micrometer 154, so as to adjust the corresponding position to achieve a better measurement effect; in other embodiments of the present invention, other positioning assemblies for positioning, such as fixing bolts, may also be used.
In addition, the pull rod 1511 is also provided with an inner hexagonal socket head cap screw and is in threaded connection with the measuring rod 151, so that the detection device 15 can be produced and assembled conveniently.
Further, the sleeve 152 is provided with three accommodating cavities with different cavity diameters: the first accommodation cavity 1522, the second accommodation cavity 1523 and the third accommodation cavity 1524, and the cavity diameter of the second accommodation cavity 1523 is larger than the cavity diameters of the first accommodation cavity 1522 and the third accommodation cavity 1524. Specifically, the diameter of the first accommodating cavity 1522 is slightly larger than the diameter of the measuring rod 151, so as to facilitate the telescopic limit of the measuring rod 151; the diameter of the second accommodating cavity 1523 is slightly larger than that of the spring 153; the diameter of the third accommodating cavity 1524 is larger than the diameter of the measuring rod 151 and smaller than the diameter of the spring 153. Simultaneously, through the limiting displacement of spout 1521 for the spring can effectual inner wall and the pull rod 1511 of contradicting sleeve 152.
Further, still be equipped with a stopper 1512 on gauge rod 151, the position of connecting pull rod 1511 is located to this stopper, and the diameter of this stopper 1512 is slightly less than the chamber footpath of second holding chamber 1523 and is greater than the chamber footpath of first holding chamber 1522 and third holding chamber 1524, stopper 1512 through setting up makes gauge rod 151 lie in pull rod 1511 spiro union position thicker relatively, strengthened the structural strength with pull rod spiro union position, and contradict with spring 153 through stopper 1512, strengthened the conflict area, avoided the spring to deviate.
The utility model provides a universal joint symmetry examines utensil 10, the support column 13 and the support 14 that set up are used for bearing the universal joint and the detection device 15 that are detected respectively, wherein support column 13 and base 11 rotate through rotating device 12 and connect, during the detection, the gauge rod tightly laminates on universal joint bearing bowl terminal surface under the effect of spring, has guaranteed the parallel relation of universal joint both sides bearing bowl when measuring the symmetry, thimble 1541 of micrometer 154 tightly laminates on gauge rod 151 terminal surface; when measuring the other end under the effect of pull rod 1511, guaranteed that support column 13 can not interfere with measuring rod 151 at rotatory in-process to realized among the measurement process, the fixed of positioning reference and measuring reference, effectively guaranteed measurement accuracy.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (7)
1. A universal joint symmetry degree gauge is characterized by comprising a base, a rotating device, a support column, a support and a detection device; the rotating device is respectively connected with the base and the supporting column, a U-shaped limiting groove is formed in the top end of the supporting column, positioning holes are formed in two sides of the U-shaped limiting groove, the support is fixed to the side end of the base and arranged in parallel to the supporting column, an assembling hole is formed in the support, and the assembling hole is flush with the positioning holes; the detection device comprises a measuring rod, a sleeve, a spring and a micrometer, wherein two pull rods which are perpendicular to the measuring rod are arranged on the measuring rod, the measuring rod is partially sleeved in the sleeve, a sliding groove is formed in the side face of the sleeve, so that the pull rods stretch out of the sliding groove in the sleeve, one end of the spring is abutted to the inner wall of the sleeve, the other end of the spring is abutted to the pull rod, the micrometer comprises a thimble and a reading meter, and the thimble is embedded into the other end of the sleeve and is abutted to the end of the measuring rod.
2. The universal joint symmetry degree detection tool according to claim 1, wherein the rotation device comprises a deep groove ball bearing, a positioning sleeve and a spline ring gauge, the deep groove ball bearing is assembled in the middle of the base, the positioning sleeve is sleeved on the outer side of the supporting column, the supporting column is limited by the spline ring gauge, and the outer wall of the spline ring gauge is embedded in the positioning sleeve.
3. The universal joint symmetry degree detection tool according to claim 1, wherein the bracket and the sleeve are respectively provided with a first screw hole and a second screw hole, the first screw hole is communicated with the positioning hole from the top end of the bracket, the second screw hole is arranged at one side close to the micrometer, and a positioning assembly is arranged in each of the two first screw holes and the two second screw holes in a penetrating manner, so that the detection device is fixed on the bracket and the micrometer is fixed on the sleeve.
4. The gimbal symmetry gauge of claim 3, wherein the positioning assembly is a socket cap screw.
5. The universal joint symmetry degree detection tool according to claim 1, wherein three accommodating cavities with different cavity diameters are arranged in the sleeve: the first accommodating cavity, the second accommodating cavity and the third accommodating cavity are formed, and the cavity diameter of the second accommodating cavity is larger than the cavity diameters of the first accommodating cavity and the third accommodating cavity.
6. The universal joint symmetry degree detection tool according to claim 5, wherein a limiting block is arranged on the gauge rod and is arranged at the pull rod, and the diameter of the limiting block is smaller than the cavity diameter of the second accommodating cavity and larger than the cavity diameters of the first accommodating cavity and the third accommodating cavity.
7. The universal joint symmetry degree gauge according to claim 1, wherein the pull rod is an inner hexagonal socket head cap screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920785814.9U CN209857834U (en) | 2019-05-28 | 2019-05-28 | Universal joint symmetry degree gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920785814.9U CN209857834U (en) | 2019-05-28 | 2019-05-28 | Universal joint symmetry degree gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209857834U true CN209857834U (en) | 2019-12-27 |
Family
ID=68941778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920785814.9U Active CN209857834U (en) | 2019-05-28 | 2019-05-28 | Universal joint symmetry degree gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209857834U (en) |
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2019
- 2019-05-28 CN CN201920785814.9U patent/CN209857834U/en active Active
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