CN219776681U - Online gear clearance detection device - Google Patents
Online gear clearance detection device Download PDFInfo
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- CN219776681U CN219776681U CN202321159391.2U CN202321159391U CN219776681U CN 219776681 U CN219776681 U CN 219776681U CN 202321159391 U CN202321159391 U CN 202321159391U CN 219776681 U CN219776681 U CN 219776681U
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- 238000001514 detection method Methods 0.000 title claims abstract description 68
- 238000006073 displacement reaction Methods 0.000 claims abstract description 50
- 230000006835 compression Effects 0.000 claims abstract description 24
- 238000007906 compression Methods 0.000 claims abstract description 24
- 125000006850 spacer group Chemical group 0.000 claims description 18
- 230000000007 visual effect Effects 0.000 claims description 12
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 239000003638 chemical reducing agent Substances 0.000 description 14
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 241001422033 Thestylus Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Abstract
The utility model relates to the field of gap detection, and discloses an online gear gap detection device. Including contact displacement sensor, anti-rotation cover and measuring staff, contact displacement sensor's the fixed cover of detection end is established anti-rotation cover's one end, the measuring staff sliding sleeve is located anti-rotation cover's the other end, the top of measuring staff is provided with compression spring, contact displacement sensor's detection end with the top surface contact of measuring staff, anti-rotation cover's both ends all are provided with the locating part, two the locating part restriction respectively compression spring with the measuring staff roll-off anti-rotation cover, the bottom of measuring staff is provided with the contact. The online gear clearance detection device can effectively improve the detection quality and the detection efficiency and lighten the labor intensity of operators.
Description
Technical Field
The utility model relates to the field of gap detection, in particular to an online gear gap detection device.
Background
In the assembly process of the main speed reducer of the sedan or the micro-car, the assembly gap of the gear of the main speed reducer needs to be within a certain range, the gap is too small, the speed reducer is easy to heat and even be blocked, the abrasion is increased, and the service life is reduced; the gap is too large, the teeth are easy to break and damage due to no impact resistance, and the service life is reduced. Therefore, the gap between adjacent teeth of the final drive gear needs to be detected before assembly.
Currently, the mode of detecting the gap between adjacent gear teeth is that an operator leans a dial indicator against the gear teeth, rotates the gear, visualizes the dial indicator, and judges whether the gap between the gear teeth is within a reasonable range according to the readings of the dial indicator. The product is assembled in batches, the operator is required to be concentrated fully in visual detection, fatigue is easy to occur, human factors interfere with the detection result, the reading of the detection result is inaccurate, detection errors are caused, the detection is easy to occur, the detection result and the assembly quality are affected, the labor intensity of a detection mode of a manual visual dial indicator is high, and the corresponding efficiency is low.
Disclosure of Invention
The utility model provides an online gear clearance detection device, which aims to solve the problems that the assembly quality is affected by detection errors and the detection efficiency is low due to human factor errors easily occurring in the detection mode of an operator visual dial indicator.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model discloses an online gear clearance detection device which comprises a contact type displacement sensor, an anti-rotation sleeve and a measuring rod, wherein the detection end of the contact type displacement sensor is fixedly sleeved at one end of the anti-rotation sleeve, the measuring rod is slidably sleeved at the other end of the anti-rotation sleeve, a compression spring is arranged at the top end of the measuring rod, the detection end of the contact type displacement sensor is in contact with the top surface of the measuring rod, limiting pieces are arranged at the two ends of the anti-rotation sleeve, the compression spring and the measuring rod are respectively limited to slide out of the anti-rotation sleeve by the limiting pieces, and a contact is arranged at the bottom end of the measuring rod.
Further, the anti-rotation sleeve is close to one end of the measuring rod, a linear bearing is arranged in the measuring rod, the measuring rod comprises a rod head and a rod body, the rod body is sleeved on the linear bearing, the outer diameter of the rod head is larger than the inner diameter of the linear bearing, a bearing baffle is arranged at the end part of the anti-rotation sleeve, which is close to the measuring rod, a measuring rod mounting hole is formed in the bearing baffle, the rod body is arranged in the measuring rod mounting hole in a penetrating mode, and the inner diameter of the measuring rod mounting hole is smaller than the outer diameter of the linear bearing.
Further, the anti-rotation sleeve is provided with a sensor fixing plate near the end part of the contact type displacement sensor, the sensor fixing plate is provided with a sensor mounting hole, and the contact type displacement sensor is clamped in the sensor mounting hole.
Further, the sensor mounting hole is provided with a sensor mounting piece, and the contact type displacement sensor is arranged in the sensor mounting piece in a clamping mode.
Further, a sensor spacer is arranged between the contact type displacement sensor and the compression spring, and the sensor spacer is fixedly connected with the sensor mounting piece.
Further, a boss is arranged at the end part of the sensor mounting piece, which is close to the sensor spacer bush, and the sensor spacer bush is clamped on the boss.
Further, a sensor protection sleeve is arranged outside the contact type displacement sensor, and the sensor protection sleeve is fixedly connected with the sensor fixing plate.
Furthermore, the online gear clearance detection device provided by the utility model further comprises a base, wherein the base comprises a bracket, a clamping device is arranged on the outer side wall of the anti-rotation sleeve, and the bracket is fixedly connected with the clamping device.
Further, the base is a magnetic gauge stand.
Furthermore, the online gear clearance detection device provided by the utility model further comprises a controller, a man-machine display panel and an audible and visual alarm, wherein the controller is respectively and electrically connected with the man-machine display panel and the audible and visual alarm.
The beneficial effects of the utility model are as follows: the online gear clearance detection device comprises a touch displacement sensor, an anti-rotation sleeve, a compression spring and a measuring rod, wherein a contact of the measuring rod is contracted by the gear tooth compression spring of the gear, and the contact of the measuring rod is expanded by the gear tooth compression spring of the gear to drive a detection end of the touch displacement sensor to contract or expand; meanwhile, the detection efficiency is improved, and the labor intensity of operators is reduced.
Drawings
FIG. 1 is an assembly view of an in-line gear lash detection device described in an embodiment;
FIG. 2 is a cross-sectional view in the A-A direction of the in-line gear lash detection device described in the embodiment;
FIG. 3 is a schematic view of the sensor mount of the embodiment;
FIG. 4 is a schematic view of the structure of the stylus according to the embodiment;
fig. 5 is a schematic view of the structure of the clamping device in the embodiment.
Reference numerals: the touch displacement sensor 1, the sensor protective sleeve 2, the sensor mounting part 3, the boss 301, the stop surface 302, the sensor fixing plate 4, the sensor spacer 5, the clamping device 6, the mounting part 601, the clamping part 602, the compression spring 7, the anti-rotation sleeve 8, the linear bearing 9, the measuring rod 10, the rod head 1001, the rod body 1002, the bearing baffle 11, the contact 12, the base 13 and the bracket 1301.
Detailed Description
The utility model will be further described with reference to the drawings and examples.
As shown in fig. 1, 2, 3, 4 and 5, the online gear gap detection device of the utility model comprises a contact type displacement sensor 1, an anti-rotation sleeve 8 and a measuring rod 10, wherein the detection end of the contact type displacement sensor 1 is fixedly sleeved at one end of the anti-rotation sleeve 8, the measuring rod 10 is slidably sleeved at the other end of the anti-rotation sleeve 8, the top end of the measuring rod 10 is provided with a compression spring 7, the detection end of the contact type displacement sensor 1 is in contact with the top surface of the measuring rod 10, both ends of the anti-rotation sleeve 8 are provided with limiting pieces, the two limiting pieces respectively limit the compression spring 7 and the measuring rod 10 to slide out of the anti-rotation sleeve 8, and the bottom end of the measuring rod 10 is provided with a contact 12. Wherein the limiting parts can be the same or different.
The online gear gap detection device based on the structure comprises a touch type displacement sensor 1, an anti-rotation sleeve 8, a compression spring 7 and a measuring rod 10, wherein the contact 12 of the measuring rod is contracted by the compression spring 7 when passing through the gear teeth of the gear, the contact 12 of the measuring rod is expanded by the compression spring when passing through the tooth grooves of the gear, the detection end of the touch type displacement sensor 1 is driven to contract or expand, the final length of the contraction or expansion of the detection end of the touch type displacement sensor is equal to the size of the gap between adjacent gear teeth, so that the distance between the adjacent gear teeth is measured, when the online gear gap detection device is used for detecting the gap between adjacent gear teeth of the main speed reducer gear, the main speed reducer gear is in a rotating state, the contact 12 is opposite to the rotating direction of the main speed reducer gear, the gear teeth are abutted against the contact 12 when passing through the gear teeth, the contact 12 is required to move towards the inside of the anti-rotation sleeve 8 by the gear teeth, the compression spring 7 is contracted, the top surface of the contact 10 presses the detection end of the touch type displacement sensor 1, the contact top surface of the contact type displacement sensor 1 is in a pressed state, and the contact state between the contact end of the contact type displacement sensor 1 is changed into a pressed state, and the contact state of the contact type displacement sensor 1 is contracted by the top surface of the detection end of the contact type displacement sensor 1; when the contact 12 passes through the tooth slot, the contact 12 is in a free state, the compression spring 7 stretches, the measuring rod 10 moves towards the outside of the anti-rotation sleeve 8, the extrusion state of the top surface of the measuring rod 10 and the contact type displacement sensor 1 is changed into a contact state, and the detection end of the contact type displacement sensor 1 stretches. The online gear clearance detection device can accurately detect the clearance between adjacent gear teeth of the gears, avoid errors caused by a visual dial indicator mode of an operator, and improve the detection quality, so that the gear assembly quality of the main speed reducer is improved; meanwhile, the detection efficiency is improved, and the labor intensity of operators is reduced.
Specifically, the anti-rotation sleeve 8 is close to one end of the measuring rod 10 and is internally provided with a linear bearing 9, the measuring rod 10 comprises a rod head 1001 and a rod body 1002, the rod body 1002 is sleeved on the linear bearing 9, the outer diameter of the rod head 1001 is larger than the inner diameter of the linear bearing 9, the end part of the anti-rotation sleeve 8, which is close to the measuring rod 10, is provided with a bearing baffle 11, the linear bearing 9 is arranged between the rod head 1001 and the bearing baffle 11, the bearing baffle 11 is provided with a measuring rod mounting hole, the rod body 1002 is arranged in the measuring rod mounting hole in a penetrating mode, and the inner diameter of the measuring rod mounting hole is smaller than the outer diameter of the linear bearing 9.
The linear bearing 9 is compact in structure and easy to mount, is directly sleeved at the lower end of the anti-rotation sleeve 8, has low friction coefficient of the linear bearing 9, is stable in operation, and is convenient for the rod body 1002 of the measuring rod 10 to freely slide back and forth in the linear bearing 9. The outer diameter of the club head 1001 is larger than the inner diameter of the linear bearing 9, and the club head 1001 does not enter the linear bearing 9 to play a certain limiting role when the measuring rod 10 slides in the linear bearing 9. The bearing baffle 11 is arranged at the lower end of the anti-rotation sleeve 8, and the bearing baffle 11 plays a certain limiting role, so that the linear bearing 9 cannot slide out of the anti-rotation sleeve 8. Wherein the bearing baffle 11 and the anti-rotation sleeve 8 can be connected by bolts or threads. The linear bearing 9 may be an LM12UU linear bearing. The end near the contact 12 is the lower end.
Preferably, the end of the anti-rotation sleeve 8, which is close to the contact type displacement sensor 1, is provided with a sensor fixing plate 4, the sensor fixing plate 4 is provided with a sensor mounting hole, and the contact type displacement sensor 1 is clamped in the sensor mounting hole.
The sensor fixing plate 4 plays a certain limiting role, so that the compression spring 7 cannot slide out of the anti-rotation sleeve 8. And simultaneously, the contact type displacement sensor 1 is fixed. The anti-rotation sleeve 8 and the sensor fixing plate 4 can be connected by bolts or threads.
Preferably, a sensor mounting member 3 is clamped in the sensor mounting hole, and the contact displacement sensor 1 is clamped in the sensor mounting member 3.
The sensor mounting part 3 further stabilizes the contact type displacement sensor 1 axially and circumferentially, and plays a certain role in protecting the contact type displacement sensor 1.
Preferably, a sensor spacer 5 is arranged between the contact displacement sensor 1 and the compression spring 7, and the sensor spacer 5 is fixedly connected with the sensor mounting member 3.
The detection end of the contact displacement sensor 1 is sleeved in the compression spring 7, and the compression spring 7 is sleeved in the anti-rotation sleeve 8. The sensor spacer 5 is arranged between the contact type displacement sensor 1 and the compression spring 7, so that the contact type displacement sensor 1 is prevented from being scratched, collided and extruded, and the contact type displacement sensor 1 is protected.
Preferably, a boss 301 is convexly arranged at the end of the sensor mounting member 3, which is close to the sensor spacer 5, and the sensor spacer 5 is clamped on the boss 301.
The end parts of the boss 301 and the sensor mounting piece 3 form a stop surface 302, and after the sensor spacer bush 5 is clamped on the boss 301, the end surface of the sensor spacer bush 5, which is close to the boss 301, abuts against the stop surface 302, so that the assembly is convenient. Further, the outer wall of the sensor mounting part 3 is convexly provided with a convex part, the inner wall of the sensor spacer 5 is concavely provided with a concave part matched with the convex part, and the convex part is clamped in the groove, so that the sensor spacer 5 and the sensor mounting part 3 are more firmly connected.
Preferably, a sensor protection sleeve 2 is arranged outside the contact type displacement sensor 1, and the sensor protection sleeve 2 is fixedly connected with a sensor fixing plate 4.
The sensor protection sleeve 2 effectively protects the contact type displacement sensor 1 and prevents the contact type displacement sensor 1 from being damaged by the external environment.
Preferably, the online gear clearance detection device further comprises a base 13, the base 13 comprises a bracket 1301, a clamping device 6 is arranged on the outer side wall of the anti-rotation sleeve 8, and the bracket 1301 is fixedly connected with the clamping device 6.
The base 13 facilitates the installation of the on-line gear clearance detection device in different use positions. The clamping device 6 comprises a mounting piece 601 and a clamping piece 602, wherein the mounting piece 601 is provided with a mounting hole of the clamping device, an anti-rotation sleeve 8 is sleeved in the mounting hole of the clamping device, the mounting piece 601 and the clamping piece 602 are connected and mounted and then provided with a mounting hole of a bracket, the bracket 1301 is arranged in the mounting hole of the bracket in a penetrating manner, the clamping piece 602 is connected with the mounting piece 601 through bolts, the bracket 1301 is arranged in the mounting hole of the bracket, and the base 13 can be mounted through fastening bolts.
Preferably, the base 13 is a magnetometer base. The magnetometer base can be rotationally fixed in multiple angles, so that the installation and use range of the online gear gap detection device is enlarged. The magnetic meter seat can adopt 7010S-10 magnetic meter seat.
Preferably, the online gear clearance detection device further comprises a controller, a man-machine display panel and an audible and visual alarm, wherein the controller is respectively and electrically connected with the man-machine display panel and the audible and visual alarm.
The touch displacement sensor 1 is a GT2-P12 high-precision touch digital sensor, the high-precision touch digital sensor collects detection data and transmits the detection data to the controller, the controller records, analyzes and processes the collected data, analyzes data abnormality and gives an audible and visual alarm instruction, the audible and visual alarm gives an alarm, and an operator carries out next processing on an abnormal main speed reducer gear; the analysis data are normally released, so that an operator can conveniently classify the main speed reducer gears, the result is transmitted to a man-machine display panel for the operator to check, and the data are conveniently traced after online storage, so that online detection of gaps between adjacent gear teeth of the main speed reducer gears is realized, and the gear gap detection is more intelligent and automatic. Wherein the man-machine display panel is a display, and the controller can adopt PLC. The arrangement of the controller can sum the gap values between adjacent wheel teeth of the whole main speed reducer gear and then average the gap values, so that errors can be effectively reduced, and the detection quality can be improved. The online gear clearance detection device detects the backlash of the main speed reducer gear online, the contact 12 is opposite to the tangential direction of rotation of the main speed reducer gear, and the contact 12 has an angle (the angle is such as 10 DEG, 20 DEG, 30 DEG, 40 DEG, 45 DEG, 60 DEG and the like) with the gear teeth when the contact 12 passes through the gear teeth and contacts the gear teeth, and can also detect the backlash of the main speed reducer gear online, and the angle between the contact 12 and the gear teeth is 90 DEG when the contact 12 passes through the gear teeth and contacts the gear teeth.
Claims (10)
1. Online gear clearance detection device, characterized by, including contact displacement sensor (1), anti-rotation cover (8) and measuring staff (10), the fixed cover of detection end of contact displacement sensor (1) is established anti-rotation cover (8) one end, measuring staff (10) slip cap is located the other end of anti-rotation cover (8), the top of measuring staff (10) is provided with compression spring (7), contact displacement sensor's detection end with the top surface contact of measuring staff (10), the both ends of anti-rotation cover (8) all are provided with the locating part, two the locating part is restricted respectively compression spring (7) with measuring staff (10) roll-off anti-rotation cover (8), the bottom of measuring staff (10) is provided with contact (12).
2. The online gear clearance detection device according to claim 1, wherein a linear bearing (9) is arranged in one end, close to the measuring rod (10), of the anti-rotation sleeve (8), the measuring rod (10) comprises a rod head (1001) and a rod body (1002), the rod body (1002) is sleeved on the linear bearing (9), the outer diameter of the rod head (1001) is larger than the inner diameter of the linear bearing (9), a bearing baffle (11) is arranged at the end, close to the measuring rod (10), of the anti-rotation sleeve (8), a measuring rod mounting hole is formed in the bearing baffle (11), the rod body (1002) is arranged in the measuring rod mounting hole in a penetrating mode, and the inner diameter of the measuring rod mounting hole is smaller than the outer diameter of the linear bearing (9).
3. The online gear clearance detection device according to claim 1, wherein a sensor fixing plate (4) is arranged at the end part of the anti-rotation sleeve (8) close to the contact type displacement sensor (1), a sensor mounting hole is formed in the sensor fixing plate (4), and the contact type displacement sensor (1) is clamped in the sensor mounting hole.
4. An on-line gear gap detection device according to claim 3, wherein a sensor mounting member (3) is clamped in the sensor mounting hole, and the contact displacement sensor (1) is clamped in the sensor mounting member (3).
5. The online gear clearance detection device according to claim 4, wherein a sensor spacer (5) is arranged between the contact displacement sensor (1) and the compression spring (7), and the sensor spacer (5) is fixedly connected with the sensor mounting piece (3).
6. The online gear clearance detection device according to claim 5, wherein a boss (301) is provided on an end portion of the sensor mounting member (3) close to the sensor spacer (5), and the sensor spacer (5) is clamped on the boss (301).
7. The online gear clearance detection device according to claim 6, wherein a sensor protection sleeve (2) is arranged outside the contact displacement sensor (1), and the sensor protection sleeve (2) is fixedly connected with a sensor fixing plate (4).
8. The online gear clearance detection device according to claim 7, further comprising a base (13), wherein the base (13) comprises a bracket (1301), a clamping device (6) is arranged on the outer side wall of the anti-rotation sleeve (8), and the bracket (1301) is fixedly connected with the clamping device (6).
9. The online gear clearance detection device according to claim 8, characterized in that the base (13) is a magnetometer.
10. The on-line gear gap detection device according to claim 9, further comprising a controller, a man-machine display panel, and an audible and visual alarm, wherein the controller is electrically connected with the man-machine display panel and the audible and visual alarm, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321159391.2U CN219776681U (en) | 2023-05-15 | 2023-05-15 | Online gear clearance detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321159391.2U CN219776681U (en) | 2023-05-15 | 2023-05-15 | Online gear clearance detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219776681U true CN219776681U (en) | 2023-09-29 |
Family
ID=88111321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321159391.2U Active CN219776681U (en) | 2023-05-15 | 2023-05-15 | Online gear clearance detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219776681U (en) |
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2023
- 2023-05-15 CN CN202321159391.2U patent/CN219776681U/en active Active
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