CN211877370U - Spline pair detection device - Google Patents
Spline pair detection device Download PDFInfo
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- CN211877370U CN211877370U CN202020388841.5U CN202020388841U CN211877370U CN 211877370 U CN211877370 U CN 211877370U CN 202020388841 U CN202020388841 U CN 202020388841U CN 211877370 U CN211877370 U CN 211877370U
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Abstract
The utility model provides a vice detection device of spline, this vice detection device of spline includes the base, and locate the first driving cylinder on the base, first live center, the second live center, a supporting seat, a slide rail, U type slide, the carriage release lever, force sensor and second driving cylinder, tip L type fixed plate is located respectively to first driving cylinder and second driving cylinder and is fixed in the base, first live center sets up with the coaxial and most advanced of second live center in opposite directions, the second live center's lower extreme is located to the slide rail, U type slide is located on the slide rail, U type slide and force sensor are connected respectively to the both ends of carriage release lever, force sensor's the other end is connected to the second driving cylinder, first live center conflicts to the spline shaft fork, the vice integral key shaft of second live center conflicts to the spline fork stub end, the vice spline hub of spline imbeds in U type slide. The utility model provides a vice detection device of spline detects the unanimity and detects numerical value more accurate with the vice sliding force of spline.
Description
Technical Field
The utility model relates to a measuring tool field, in particular to vice detection device of spline.
Background
The spline connection is widely applied to connection between two power shafts, and is widely applied to power transmission mechanisms because the spline connection has a good power transmission effect. The spline connection mode is that a spline is fixed on one shaft, a spline sleeve is fixed on the other shaft, and the spline is matched with the spline sleeve to form a spline pair, so that power transmission is realized.
At present, the quality detection of the sliding force of the spline pair after the assembly of the domestic non-constant-speed transmission shaft always adopts a spring balance or hand feeling detection mode, the mode is limited by the structure of the transmission shaft, a large measurement error exists, the fit clearance of the spline pair cannot be detected, the quality consistency of the spline pair of the transmission shaft assembly cannot be ensured, and the requirement of a customer on the whole vehicle comfort after the loading of the transmission shaft is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a vice detection device of spline has solved the big problem of the vice sliding force mode error of current measurement spline.
The utility model provides a spline pair detection device, which comprises a base, a first driving cylinder, a first live center, a second live center, a supporting seat, a slide rail, a U-shaped sliding plate, a movable rod, a tension sensor and a second driving cylinder, wherein the first driving cylinder, the first live center, the second live center, the supporting seat, the slide rail, the U-shaped sliding plate, the movable rod, the tension sensor and the second driving cylinder are arranged on the base, the first driving cylinder and the second driving cylinder are respectively fixed on the base through two L-shaped fixing plates arranged at the end parts, the first driving cylinder is connected with the first live center, the second live center is fixed on the supporting seat, the first live center and the second live center are coaxially arranged, the first live center and the second live center are oppositely arranged, the slide rail is arranged at the lower end of the second live center, the U-shaped sliding plate is arranged on the slide rail, the two ends of the movable rod, the second driving cylinder is connected with the other end of the tension sensor and drives the first driving cylinder to enable the first live center to push rightwards, and a spline pair is clamped between the first live center and the second live center, wherein the first live center is abutted to the spline shaft fork, the second live center is abutted to the small end of the spline shaft fork of the spline pair, and a spline hub of the spline pair is embedded into the U-shaped sliding plate.
The utility model provides a vice detection device of spline both ends on the base set up first actuating cylinder and second respectively and drive actuating cylinder, control drive first actuating cylinder with the second drives actuating cylinder and makes first live center contradict respectively in the vice both ends of spline with second live center, controls the second afterwards and drives actuating cylinder motion, is predetermineeing sliding distance value observation force sensor's measured value to the realization is to the accurate effectual measurement of the vice sliding force of spline.
Further, the both sides limit of base is equipped with clearance measurement subassembly, clearance measurement subassembly is including the percentage table of locating one side and the dynamometer of locating the other end, the percentage table with the thimble of dynamometer respectively with the spline hub is contradicted, the lower extreme of dynamometer is equipped with a cushion, be equipped with on the base and remove the seat, the cushion with it is connected to remove the seat.
Furthermore, a through hole is formed in the moving seat, a screw rod penetrates through the through hole, a sliding block is screwed on the screw rod, a U-shaped groove is formed in the upper end of the moving seat, and the sliding block is embedded into the U-shaped groove and fixedly connected with the cushion block.
Further, be equipped with the support on the base, the support is equipped with the screw of in-band screw thread, the percentage table with the screw spiro union.
Furthermore, the moving rod part extends out of the left end of the U-shaped sliding plate, and an adjusting nut is arranged at the left end of the U-shaped sliding plate and is in threaded connection with the moving rod.
Furthermore, a U-shaped limiting groove is formed in the upper end of the U-shaped sliding plate, the groove diameter width of the limiting groove is smaller than the maximum diameter of the spline pair, and the groove diameter width of the limiting groove is larger than the diameter of the spline hub.
Furthermore, a supporting plate is arranged on the moving rod and is arranged between the U-shaped sliding plate and the supporting seat, a U-shaped opening is formed in the supporting plate, the U-shaped opening is arranged upwards, and the diameter of the U-shaped opening is consistent with the shaft diameter of the second movable center.
Drawings
Fig. 1 is a schematic structural view of a spline pair detection device according to an embodiment of the present invention;
FIG. 2 is an enlarged view of the portion I in FIG. 1;
FIG. 3 is a schematic view of the gap measurement assembly of FIG. 1;
FIG. 4 is a schematic structural view of the movable base of FIG. 3;
fig. 5 is a schematic view of an assembly structure of the support seat and the dial indicator in fig. 3.
Description of the main elements
| Spline |
10 | |
20 |
| |
21 | First |
22 |
| Second |
23 | Supporting |
24 |
| |
25 | U-shaped |
26 |
| Adjusting |
261 | Limiting |
262 |
| |
27 | |
271 |
| |
28 | |
29 |
| |
31 | |
32 |
| Through |
321 | |
322 |
| |
323 | |
324 |
| U-shaped |
325 | |
33 |
| |
40 | |
41 |
| |
42 | |
421 |
| |
50 | |
51 |
| |
52 |
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 5, a spline pair detection device 10 according to a first embodiment of the present invention is used for detecting the product quality of a spline pair. The spline pair detection device 10 comprises a base 20, and a first driving cylinder 21, a first live center 22, a second live center 23, a supporting seat 24, a sliding rail 25, a U-shaped sliding plate 26, a moving rod 27, a tension sensor 28 and a second driving cylinder 29 which are arranged on the base 20.
Specifically, the first driving cylinder 21 and the second driving cylinder 29 are fixed to the base through two L-shaped fixing plates 31 disposed at the end portions, respectively, the first live center 22 is fixed to the telescopic shaft of the first driving cylinder 21, and the end portion of the first live center 22 far away from the first driving cylinder 21 is conical and pointed so as to abut against the spline shaft fork 41 of the spline pair 40. A tension sensor 28 is connected to the other end of the L-shaped fixed plate 31 of the base 20, the other end of the tension sensor is connected to a moving rod 27, and the moving rod 27 is inserted through a support base 24 fixed to the base 20 and a U-shaped slide plate 26 moving on a slide rail 25. The second live center 23 is fixed on the supporting seat 24, and the second live center 23 is coaxially arranged in parallel with the moving rod 27.
When the movable rod pulling force sensor is used, the spline pair 40 is placed between the first movable center 22 and the second movable center 23, the first movable center 22 and the second movable center 23 respectively support against the inner parts of the spline shaft fork 41 and the spline sleeve 42 by driving the first driving cylinder 21 and the second driving cylinder 29, and then the second driving cylinder 29 is driven to enable the movable rod to pull the pulling force sensor to reversely displace for a preset distance and observe the variation of the measurement value of the pulling force sensor. Thereby achieving the purpose of checking and measuring the sliding force value of the spline pair 40. Compare in traditional spring scale and the detection mode of feeling, its measuring result has uniformity and accuracy more, has reached the vice 40 slip force measurement's of promotion spline accurate purpose.
It will be appreciated that the amount of clearance between the splines will affect the quality of the product on spline pair 40 for the purpose of measuring the clearance. The base 20 is provided at both sides thereof with gap measuring units 50, and the gap measuring units 50 include dial indicators 51 provided at one side and load cells 52 provided at the other side. The dial indicator 51 and the thimble of the dynamometer 52 are at the same horizontal height and are respectively abutted against the outer surface of the spline hub 421, the lower end of the dynamometer 52 is provided with a cushion block 521, the base 20 is provided with the movable base 32, and the cushion block 521 is connected with the movable base 32.
Further, a through hole 321 is formed in the moving base 32, a screw rod 322 penetrates through the through hole 321, a sliding block 323 is screwed in the middle of the screw rod 322, a hand wheel 324 is arranged at the end portion of the screw rod 322 extending out of the moving base 32, a U-shaped groove 325 is formed in the upper end of the moving base 32, the sliding block 323 moves along with the rotation of the screw rod 322 in the U-shaped groove 325, and the cushion block 521 is fixedly connected with the sliding block 323.
When the spline fit clearance of the spline pair 40 is measured, the dial indicator 51 is adjusted to press the excircle of the spline hub 421 for no more than 1 circle, and the thimble of the dial indicator 51 is aligned with the 0 scale mark; shaking the hand wheel 324 to enable the dynamometer 52 to tightly push against the outer surface of the spline hub 421 to a specified value, and reading the value of the thimble of the dial indicator 51 under the action of the constant pressure, wherein the value is the clearance value of the spline pair;
in addition, the base 20 is provided with a support 33, the support 33 is provided with a screw hole with an internal thread, and the dial indicator 51 is in threaded connection with the screw hole, so that the purpose of adjusting the initial position of the thimble of the dial indicator is achieved. And the dial indicator 51 is elevated by the bracket 33 so that the thimble of the dial indicator 51 and the thimble of the dynamometer 52 are at the same horizontal position.
It will be appreciated that the distance of the U-shaped slide plate from the support seat 24 can be adjusted to account for different size specifications of the spline pair 40. The moving rod 27 partially protrudes from the left end of the U-shaped sliding plate 26, and the left end of the U-shaped sliding plate 26 is provided with an adjusting nut 261 to be screwed with the moving rod 27. The horizontal distance of the moving rod 27 between the support seat 24 and the U-shaped sliding plate 26 is changed by turning the adjusting nut 261.
In addition, the upper end of the U-shaped sliding plate 26 is further provided with a U-shaped limiting groove 262, the groove diameter width of the limiting groove 262 is smaller than the maximum diameter of the spline pair, and the groove diameter width of the limiting groove is larger than the diameter of the spline hub 421. The limiting groove 262 realizes the clamping effect on the spline pair 40, so that the purpose of stable placement of the spline pair 40 is achieved in the measuring process.
Further, a supporting plate 271 is arranged on the moving rod 27, the supporting plate 271 is arranged between the U-shaped sliding plate 26 and the supporting seat 24, a U-shaped opening is arranged on the supporting plate 271, the U-shaped opening is arranged upwards, and the diameter of the U-shaped opening is consistent with the shaft diameter of the second live center 23. By arranging the supporting plate 271 for supporting the second live center 23, the second live center 23 is prevented from deviating in the stress process to influence the detection result.
The utility model provides a vice detection device 10 of spline sets up first actuating cylinder 21 and second respectively through both ends on base 20 and drives actuating cylinder 29, and the first actuating cylinder 21 that drives of control drive and second drive actuating cylinder 29 make first live center 22 and second live center 23 contradict respectively in the both ends of the vice 40 of spline, and control second drives actuating cylinder 29 motion afterwards, is presetting the measured value of sliding distance value observation force sensor to the realization is to the accurate effectual measurement of the vice 40 sliding force of spline. And the measurement of the clearance value of the spline pair 40 is realized through the arranged clearance measuring assembly 50. Compare traditional measuring method, can realize reaching the uniformity and the precision to the detection of spline pair 40 through this vice detection device 10 of spline, also solved the problem of measuring the spline clearance of spline pair 40 simultaneously.
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 spline pair detection device is characterized by comprising a base, a first driving cylinder, a first live center, a second live center, a supporting seat, a sliding rail, a U-shaped sliding plate, a moving rod, a tension sensor and a second driving cylinder, wherein the first driving cylinder, the first live center, the second live center, the supporting seat, the sliding rail, the U-shaped sliding plate, the moving rod, the tension sensor and the second driving cylinder are arranged on the base, the first driving cylinder and the second driving cylinder are respectively fixed on the base through two L-shaped fixing plates arranged at the end parts, the first driving cylinder is connected with the first live center, the second live center is fixed on the supporting seat, the first live center and the second live center are coaxially arranged, the tips of the first live center and the second live center are oppositely arranged, the sliding rail is arranged at the lower end of the second live center, the U-shaped sliding plate is arranged on the sliding rail, and two ends of the moving, the second driving cylinder is connected with the other end of the tension sensor and drives the first driving cylinder to enable the first live center to be pushed rightwards, and the spline pair is clamped between the first live center and the second live center, wherein the first live center is abutted to the spline shaft fork, the second live center is abutted to the small end of the spline shaft fork, and the spline hub of the spline pair is embedded into the U-shaped sliding plate.
2. The spline pair detection device according to claim 1, wherein the two side edges of the base are provided with clearance measurement components, the clearance measurement components comprise a dial indicator arranged on one side and a dynamometer arranged on the other end, the dial indicator and the forcemeter thimble respectively abut against the spline hub, the lower end of the dynamometer is provided with a cushion block, the base is provided with a movable seat, and the cushion block is connected with the movable seat.
3. The spline pair detection device according to claim 2, wherein a through hole is formed in the movable base, a screw rod penetrates through the through hole, a sliding block is screwed on the screw rod, a hand wheel is arranged at one end of the screw rod, which extends out of the movable base, a U-shaped groove is formed in the upper end of the movable base, the sliding block is embedded in the U-shaped groove, and the cushion block is fixedly connected with the sliding block.
4. The spline pair detection device according to claim 2, wherein a support is arranged on the base, the support is provided with a screw hole with an internal thread, and the dial indicator is in threaded connection with the screw hole.
5. The spline pair detecting device according to claim 1, wherein the moving rod portion protrudes from a left side end of the U-shaped sliding plate, and an adjusting nut is provided at the left side end of the U-shaped sliding plate to be screwed with the moving rod.
6. The spline pair detection device according to claim 5, wherein the U-shaped sliding plate is provided with a U-shaped limiting groove at the upper end, the width of the groove diameter of the limiting groove is smaller than the maximum diameter of the spline pair, and the width of the groove diameter of the limiting groove is larger than the diameter of the spline hub.
7. The spline pair detection device according to claim 1, wherein a support plate is provided on the movable rod, the support plate is provided between the U-shaped sliding plate and the support seat, a U-shaped opening is provided on the support plate, the U-shaped opening is disposed upward, and the diameter of the U-shaped opening is consistent with the diameter of the shaft of the second live center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020388841.5U CN211877370U (en) | 2020-03-24 | 2020-03-24 | Spline pair detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020388841.5U CN211877370U (en) | 2020-03-24 | 2020-03-24 | Spline pair detection device |
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| Publication Number | Publication Date |
|---|---|
| CN211877370U true CN211877370U (en) | 2020-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020388841.5U Active CN211877370U (en) | 2020-03-24 | 2020-03-24 | Spline pair detection device |
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| CN (1) | CN211877370U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113776404A (en) * | 2021-08-27 | 2021-12-10 | 东风汽车底盘***有限公司 | Spline phase detection examines utensil |
| WO2022105452A1 (en) * | 2020-11-17 | 2022-05-27 | 库卡机器人(广东)有限公司 | Spline screw testing device |
-
2020
- 2020-03-24 CN CN202020388841.5U patent/CN211877370U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022105452A1 (en) * | 2020-11-17 | 2022-05-27 | 库卡机器人(广东)有限公司 | Spline screw testing device |
| CN113776404A (en) * | 2021-08-27 | 2021-12-10 | 东风汽车底盘***有限公司 | Spline phase detection examines utensil |
| CN113776404B (en) * | 2021-08-27 | 2023-10-20 | 东风汽车底盘***有限公司 | Spline phase detection gauge |
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