CN216954263U - Measuring tool for measuring running-in abrasion loss of worm gear - Google Patents
Measuring tool for measuring running-in abrasion loss of worm gear Download PDFInfo
- Publication number
- CN216954263U CN216954263U CN202123307719.4U CN202123307719U CN216954263U CN 216954263 U CN216954263 U CN 216954263U CN 202123307719 U CN202123307719 U CN 202123307719U CN 216954263 U CN216954263 U CN 216954263U
- Authority
- CN
- China
- Prior art keywords
- worm
- measuring
- worm wheel
- support
- running
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005299 abrasion Methods 0.000 title abstract description 11
- 241001367851 Cingilia catenaria Species 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract description 7
- 238000012360 testing method Methods 0.000 abstract description 3
- 238000013461 design Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000523 sample Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000011165 process development Methods 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Images
Landscapes
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model relates to the technical field of machinery, in particular to a measuring tool for measuring running-in abrasion loss of a worm wheel, which comprises a worm wheel positioning mechanism, a support, a dial indicator, an operating handle, a spring, a worm measuring head and a worm clamp, wherein the dial indicator and the operating handle are installed on the support, a connecting rod of the operating handle is connected with the worm clamp, the spring is sleeved outside the connecting rod of the operating handle, two ends of the spring are respectively contacted with the bottom of the support and the top of the worm clamp, the measuring end of the dial indicator is connected with the front end of the worm clamp, the worm measuring head is arranged at the bottom of the worm clamp, the worm wheel to be measured is installed on the worm wheel positioning mechanism, and the worm wheel to be measured is meshed with the worm measuring head. Compared with the prior art, the measuring head adopts the replaceable worm measuring head, so that the testing requirements of different products can be met; when the measured part is measured, the worm wheel positioning mechanism is used for positioning, the spring applies pre-pressure, the precision of repeated measurement every time is ensured, and the analysis error is reduced.
Description
Technical Field
The utility model relates to the technical field of machinery, in particular to a measuring tool for measuring running-in abrasion loss of a worm gear.
Background
The worm gear of electron power assisted steering tubular column and steering engine is the helping hand transmission part, for reaching noise and torque standard simultaneously, need to run in advance when the assembly and carry out wearing and tearing in advance to prevent to lead to worm gear clearance grow because of the worm gear wearing and tearing volume is too big in the use, finally lead to the abnormal sound problem, the while pre-wearing and tearing can diminish turning moment, reach the requirement of feeling comfortable, quiet silence.
In the product design, the wear loss of the worm gear needs to be guaranteed to be a stable value, and in the running-in process development, the wear loss of the worm gear needs to be measured frequently for verifying the process stability. The traditional worm wheel measuring method is high in cost, and has other defects, such as: the three-coordinate measuring system cannot directly read the abrasion loss of the worm gear, and the measurement is time-consuming and labor-consuming; or the 3D scanning mode has too low precision and poor measurement repeatability, and cannot be matched with production and process development and debugging.
Therefore, it is necessary to design a measuring tool for measuring the running-in wear of the worm gear, which can reduce the cost and improve the measuring efficiency and the precision of repeated measurement.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides a measuring tool for measuring the running-in abrasion loss of a worm gear, which can reduce the cost and improve the measuring efficiency and the repeated measuring precision.
In order to achieve the purpose, the utility model provides a measuring tool for measuring running-in abrasion loss of a worm gear, which comprises a worm gear positioning mechanism, a support, a dial indicator, an operating handle, a spring, a worm measuring head and a worm clamp, wherein the dial indicator and the operating handle are installed on the support, a connecting rod of the operating handle is connected with the worm clamp, the spring is sleeved outside the connecting rod of the operating handle, two ends of the spring are respectively contacted with the bottom of the support and the top of the worm clamp, a measuring end of the dial indicator is connected with the front end of the worm clamp, the worm measuring head is arranged at the bottom of the worm clamp, the worm gear to be measured is installed on the worm gear positioning mechanism, and the worm gear to be measured is meshed with the worm measuring head.
The worm wheel positioning mechanism comprises a sliding rail, a V-shaped support and positioning pins, the bottom of the V-shaped support is connected with the sliding rail in a sliding mode, a measured worm wheel is installed on the V-shaped support, and the two sides of the sliding rail are respectively provided with one positioning pin.
And four bearings are arranged between the V-shaped bracket and the tested worm gear.
The positioning pins are respectively positioned on the side surface of the front end and the side surface of the rear end of the slide rail.
The support include backplate support, fixed bolster, the top front end of backplate support is provided with the fixed bolster, install percentage table and operating handle on the fixed bolster.
The worm wheel positioning mechanism and the bracket are arranged on the base.
The bottom of the base is provided with supporting legs.
Compared with the prior art, the utility model designs the measuring tool for measuring the running-in abrasion loss of the worm wheel, replaces a complicated and high-cost measuring tool with a simple structure, and reduces the use cost; the measuring head adopts a replaceable worm measuring head, so that the testing requirements of different products can be met; when a measured part is measured, the worm wheel positioning mechanism is used for positioning, the spring applies pre-pressure, the precision of repeated measurement each time is ensured, the analysis error is reduced, meanwhile, the verification speed of the running-in process is improved, and the development period is shortened.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a cross-sectional view of the present invention.
FIG. 3 is a front view of the worm gear positioning mechanism of the present invention.
FIG. 4 is a top view of the worm gear positioning mechanism of the present invention.
Fig. 5 is a schematic view of the worm probe of the present invention.
Detailed Description
The utility model will now be further described with reference to the accompanying drawings.
Referring to fig. 1 and 2, the utility model provides a measuring tool for measuring running-in abrasion loss of a worm wheel, which comprises a worm wheel positioning mechanism, a support, a dial indicator, an operating handle, a spring, a worm gauge head and a worm clamp, wherein the dial indicator 1 and the operating handle 2 are installed on the support, a connecting rod of the operating handle 2 is connected with the worm clamp 7, the spring 4 is sleeved outside the connecting rod of the operating handle 2, two ends of the spring 4 are respectively contacted with the bottom of the support and the top of the worm clamp 7, the measuring end of the dial indicator 1 is connected with the front end of the worm clamp 7, the worm gauge head 8 is arranged at the bottom of the worm clamp 7, a measured worm wheel 9 is installed on the worm wheel positioning mechanism, and the measured worm wheel 9 is meshed with the worm gauge head 8. The support ensures that the space positions of the worm measuring head 8 and the measured worm wheel 9 are stable, and provides stable pre-pressure through the spring 4 to ensure that the worm measuring head 8 and the measured worm wheel 9 are meshed stably.
Referring to fig. 3 and 4, the worm wheel positioning mechanism includes a slide rail 12, a V-shaped bracket 10, and a positioning pin 11, the bottom of the V-shaped bracket 10 is slidably connected to the slide rail 12, the worm wheel 9 to be measured is mounted on the V-shaped bracket 10, and two sides of the slide rail 12 are respectively provided with a positioning pin 11. The slide rail 12 is arranged to ensure the operation space and the precision, so as to facilitate the clamping of the worm wheel 9 to be measured.
The positioning pins 11 are respectively located on the front end side surface and the rear end side surface of the slide rail 12. The side face of the front end of the sliding rail 12 is an assembling position, the side face of the rear end of the sliding rail 12 is a measuring position, and the positioning pin 11 fixes the position of the worm wheel 9 to be measured, so that the meshing position of the worm measuring head 8 and the worm wheel 9 to be measured is the same every time.
Four bearings are arranged between the V-shaped support 10 and the measured worm wheel 9 and are used for bearing the measured worm wheel 9, and when the worm measuring head 8 is meshed with the measured worm wheel 9, the measured worm wheel 9 can be aligned by itself, so that the measuring accuracy and the repeatability are improved.
The support includes backplate support 5, fixed bolster 3, and the top front end of backplate support 5 is provided with fixed bolster 3, installs percentage table 1 and operating handle 2 on the fixed bolster 3.
The accuracy of the dial indicator 1 is 1 mu m, the measuring range is 50mm, and the dial indicator can be replaced appropriately according to the accuracy of parts.
In order to facilitate installation and placement, the worm wheel positioning mechanism and the support are arranged on the base 6, and supporting legs 13 are arranged at the bottom of the base 6.
Referring to fig. 5, the worm is used as a measuring head, the worm measuring head 8 and the measured worm wheel 9 can simulate the meshing state through the worm measuring head and worm wheel measuring device, the limit of the tool ensures that the axial positions of the measured worm wheel 9 in each arrangement are the same, and meanwhile, the measured worm wheel 9 can rotate freely, so that the worm measuring head 8 and the measured worm wheel 9 are fully meshed. The pre-pressure provided by the spring 4 ensures that the radial force on the measured worm wheel 9 is the same for each measurement. This ensures the repeatability of the utility model.
When the device works, the V-shaped bracket 10 is moved to the front end of the slide rail 12, and after the positioning is carried out through the positioning pin 11 positioned on the side surface of the front end of the slide rail 12, the tested worm wheel 9 is arranged on the V-shaped bracket 10. After the installation is finished, the positioning pin 11 located on the side face of the front end of the sliding rail 12 is taken down, the V-shaped support 10 is moved to the rear end of the sliding rail 12, the positioning pin 11 located on the side face of the rear end of the sliding rail 12 is used for positioning, the operating handle 2 is pressed down to a specified position, the worm measuring head 8 is meshed with the measured worm wheel 9, the spring 4 provides pre-pressure, and the worm wheel running-in abrasion loss is measured through the dial indicator 1.
The utility model designs a measuring tool for measuring the running-in abrasion loss of the worm wheel, and uses a simple structure to replace a complex and high-cost measuring tool, thereby reducing the use cost; the probe adopts a replaceable worm probe, so that the test requirements of different products can be met; when the measured part is measured, the worm wheel positioning mechanism is used for positioning, the spring applies pre-pressure, the precision of repeated measurement each time is ensured, the analysis error is reduced, meanwhile, the verification speed of the running-in process is improved, and the development period is shortened.
Claims (7)
1. The utility model provides a measure frock for measuring worm wheel running-in wearing capacity, includes worm wheel positioning mechanism, support, percentage table, operating handle, spring, worm gauge head, worm anchor clamps, its characterized in that: install percentage table (1) and operating handle (2) on the support, the connecting rod and the worm anchor clamps (7) of operating handle (2) are connected, the connecting rod overcoat of operating handle (2) is equipped with spring (4), the both ends of spring (4) contact with the bottom of support and the top of worm anchor clamps (7) respectively, the measuring end and the front end of worm anchor clamps (7) of percentage table (1) are connected, the bottom of worm anchor clamps (7) is equipped with worm gauge head (8), install on worm wheel positioning mechanism by survey worm wheel (9), by survey worm wheel (9) and worm gauge head (8) meshing.
2. The measuring tool for measuring the running-in wear of the worm gear according to claim 1, characterized in that: the worm wheel positioning mechanism comprises a sliding rail (12), a V-shaped support (10) and positioning pins (11), the bottom of the V-shaped support (10) is connected with the sliding rail (12) in a sliding mode, a measured worm wheel (9) is installed on the V-shaped support (10), and the two sides of the sliding rail (12) are respectively provided with one positioning pin (11).
3. The measuring tool for measuring the running-in wear amount of the worm gear according to claim 2, characterized in that: four bearings are arranged between the V-shaped bracket (10) and the tested worm wheel (9).
4. The measuring tool for measuring running-in wear of the worm gear according to claim 2, characterized in that: the positioning pins (11) are respectively positioned on the side surface of the front end and the side surface of the rear end of the sliding rail (12).
5. The measuring tool for measuring the running-in wear of the worm gear according to claim 1, characterized in that: the support include backplate support (5), fixed bolster (3), the top front end of backplate support (5) is provided with fixed bolster (3), install percentage table (1) and operating handle (2) on fixed bolster (3).
6. The measuring tool for measuring the running-in wear amount of the worm gear according to claim 1, characterized in that: the worm wheel positioning mechanism and the bracket are arranged on the base (6).
7. The measuring tool for measuring running-in wear of the worm gear according to claim 6, characterized in that: the bottom of the base (6) is provided with supporting legs (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123307719.4U CN216954263U (en) | 2021-12-27 | 2021-12-27 | Measuring tool for measuring running-in abrasion loss of worm gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123307719.4U CN216954263U (en) | 2021-12-27 | 2021-12-27 | Measuring tool for measuring running-in abrasion loss of worm gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216954263U true CN216954263U (en) | 2022-07-12 |
Family
ID=82312587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123307719.4U Active CN216954263U (en) | 2021-12-27 | 2021-12-27 | Measuring tool for measuring running-in abrasion loss of worm gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216954263U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115930866A (en) * | 2023-02-27 | 2023-04-07 | 合肥联宝信息技术有限公司 | measuring device |
-
2021
- 2021-12-27 CN CN202123307719.4U patent/CN216954263U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115930866A (en) * | 2023-02-27 | 2023-04-07 | 合肥联宝信息技术有限公司 | measuring device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107514965B (en) | Crankshaft main journal roundness and crankshaft coaxiality error detection device | |
| CN103712791B (en) | A kind of axial device for testing dynamic stiffness of main shaft | |
| CN101566456B (en) | Double-side gear rolling tester for bevel gear | |
| CN201251422Y (en) | Tool for measuring swelling capacity of outer diameter | |
| CN201497634U (en) | Engine connecting rod parallelism and torsion resistance universal tester | |
| CN208805157U (en) | A wheel hub detection device | |
| CN204115647U (en) | Axiality detection device | |
| CN108344351A (en) | The automatic detection device of the annular knurl major diameter of gear shaft | |
| CN101900544B (en) | Axial and tangential deformation detection device for steering wheel | |
| CN216954263U (en) | Measuring tool for measuring running-in abrasion loss of worm gear | |
| CN203405137U (en) | Gauge for measuring level difference of big head and small head of connecting rod | |
| CN205482696U (en) | A morpheme error measuring apparatu for measuring dish cover, axle class, Workpiece | |
| CN202329516U (en) | Clamp for testing error of symmetry degree of spline or gear type part | |
| CN106596004B (en) | RV reduction gear supports rigidity testing arrangement | |
| CN111156941B (en) | Vehicle brake block surface full run-out detection device | |
| CN201740522U (en) | Axial and tangential deformation detection device of steering wheel | |
| CN202974166U (en) | Coaxiality error group test fixture | |
| CN216815310U (en) | Detection tool for detecting space parallelism of bridge parts | |
| CN117781813A (en) | Bearing seat flatness and circle runout detection device and method based on double reading heads | |
| CN115435991A (en) | A Spindle Rigidity Measuring Device | |
| CN204188099U (en) | Axle class end internal orifice dimension is to bounce gauge | |
| CN202974117U (en) | Displacement inspection tool for pivot of crank of windscreen wiper | |
| CN202814365U (en) | Integrated testing fixture for intermediate shaft assembly | |
| CN223741400U (en) | Differential housing planetary bore shaft form and position tolerance measuring tool | |
| CN223525762U (en) | A dual-purpose gauge that can be used as a testing support |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |