CN115031015B - Gear backlash adjusting device - Google Patents
Gear backlash adjusting device Download PDFInfo
- Publication number
- CN115031015B CN115031015B CN202210802980.1A CN202210802980A CN115031015B CN 115031015 B CN115031015 B CN 115031015B CN 202210802980 A CN202210802980 A CN 202210802980A CN 115031015 B CN115031015 B CN 115031015B
- Authority
- CN
- China
- Prior art keywords
- positioning shaft
- gear
- rod
- auxiliary positioning
- telescopic rod
- 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
- 238000006073 displacement reaction Methods 0.000 claims description 12
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 5
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/12—Arrangements for adjusting or for taking-up backlash not provided for elsewhere
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H2057/0062—Tools specially adapted for assembly of transmissions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/12—Arrangements for adjusting or for taking-up backlash not provided for elsewhere
- F16H2057/125—Adjustment of backlash during mounting or assembly of gearing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gears, Cams (AREA)
Abstract
The invention belongs to the technical field of gear transmission, and discloses a gear backlash adjusting device. The gear backlash adjusting device comprises a main positioning shaft, an auxiliary positioning shaft and a telescopic rod; the main positioning shaft is matched and spliced with a gear hole of the gear to be installed; the auxiliary positioning shaft is matched and spliced with a gear hole of the installed gear; one end of the telescopic rod is rotationally connected with the main positioning shaft, the other end of the telescopic rod is provided with the auxiliary positioning shaft, and the telescopic rod is used for adjusting the distance between the axis of the main positioning shaft and the axis of the auxiliary positioning shaft to be a preset value so as to enable the gear to be installed to be meshed with the installed gear. The gear backlash adjusting device has the advantages of being simple in structure and convenient to use, and can conveniently position and adjust backlash of gears to be installed, so that the installation efficiency and the installation accuracy of the gears are improved.
Description
Technical Field
The invention relates to the technical field of gear transmission, in particular to a gear backlash adjusting device.
Background
Gears have an important role in the automotive field as important transmission elements. The gear pair backlash refers to the gap between the non-running tooth surfaces when a pair of gears are meshed. The proper backlash can compensate extrusion caused by stress deformation and friction heating expansion of the gear teeth, is favorable for forming a lubricating oil film, reduces friction force between the gear teeth, plays a role in lubrication, reduces harm to the gear teeth, prolongs the service life of the gear, can compensate assembly errors and prevents the phenomenon of locking in the transmission process. However, with the development of automobile engines, reduction boxes and various intelligent devices, gear transmission systems are becoming more and more complex, and the adjustment of backlash takes a lot of time and labor cost during the installation, debugging or repair of gears.
Disclosure of Invention
The invention aims to provide a gear backlash adjusting device which is simple in structure and convenient to use, and can conveniently position a gear to be mounted and adjust backlash, so that the mounting efficiency and the mounting precision of the gear are improved.
To achieve the purpose, the invention adopts the following technical scheme:
The gear backlash adjusting device comprises a main positioning shaft, an auxiliary positioning shaft and a telescopic rod; the main positioning shaft is matched and spliced with a gear hole of the gear to be installed; the auxiliary positioning shaft is matched and spliced with a gear hole of the installed gear; one end of the telescopic rod is rotationally connected with the main positioning shaft, the other end of the telescopic rod is provided with the auxiliary positioning shaft, and the telescopic rod is used for adjusting the distance between the axis of the main positioning shaft and the axis of the auxiliary positioning shaft to be a preset value so as to enable the gear to be installed to be meshed with the installed gear.
Optionally, the telescopic rod comprises an outer rod and an inner rod, one end of the outer rod is rotationally connected with the main positioning shaft, and the other end of the outer rod is provided with an opening; one end of the inner rod is inserted into the outer rod through an opening, the other end of the inner rod is provided with an auxiliary positioning shaft, and the outer wall of the inner rod is in sliding connection with the inner wall of the outer rod.
Optionally, the telescopic rod further comprises a positioning nut, one end of the outer rod, far away from the main positioning shaft, is provided with a threaded mounting hole matched with the positioning nut, and the positioning nut can fix the inner rod on the outer rod.
Optionally, an observation through hole is formed in the outer rod, and the observation through hole and the main positioning shaft are coaxially arranged.
Alternatively, the outer rod and the inner rod are square in cross section.
Alternatively, the outer rod and the inner rod are each made of stainless steel square tubing.
Optionally, a displacement sensor is arranged in the telescopic rod, and the displacement sensor can measure and output the distance between the axis of the main positioning shaft and the axis of the auxiliary positioning shaft.
Optionally, a display device is installed outside the telescopic rod, and the display device is electrically connected with the displacement sensor and can display the output distance of the displacement sensor.
Optionally, one end of the auxiliary positioning shaft far away from the telescopic rod is provided with a positioning boss, and the positioning boss is used for positioning the auxiliary positioning shaft when the auxiliary positioning shaft is processed.
Optionally, auxiliary positioning axle and telescopic link all are provided with a plurality of, and a plurality of auxiliary positioning axles one-to-one are installed in the one end of telescopic link.
The beneficial effects are that:
this gear backlash adjusting device is through inserting main location axle and auxiliary positioning axle into to wait to install the gear and installed the gear respectively to adjust the distance between main location axle axis and the auxiliary positioning axle axis through the length of adjustment telescopic link, make this distance reach the default, when realizing waiting to install gear and installed gear meshing, wait to install the gear and install the backlash of gear and also can satisfy the user demand, the tensile regulation of telescopic link, can be convenient for the user install and debug wait to install the gear and install the backlash of gear, improve installation effectiveness, reduce the cost of labor.
Drawings
Fig. 1 is a schematic view of a gear backlash adjustment device according to an embodiment of the present invention.
In the figure:
10. A main positioning shaft; 20. an auxiliary positioning shaft; 21. positioning the boss; 30. a telescopic rod; 31. an outer rod; 311. observing the through hole; 32. an inner rod; 33. positioning a nut; 34. a display device.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present invention are shown in the drawings.
In the description of the present invention, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.
Referring to fig. 1, in the present embodiment, the gear backlash adjustment device includes a main positioning shaft 10, an auxiliary positioning shaft 20, and a telescopic rod 30; the main positioning shaft 10 is matched and spliced with a gear hole of a gear to be installed; the auxiliary positioning shaft 20 is matched and spliced with a gear hole of the installed gear; one end of the telescopic rod 30 is rotatably connected with the main positioning shaft 10, the other end of the telescopic rod is provided with the auxiliary positioning shaft 20, and the telescopic rod 30 is used for adjusting the distance between the axis of the main positioning shaft 10 and the axis of the auxiliary positioning shaft 20 to be a preset value so as to enable the gear to be installed to be meshed with the installed gear.
This gear backlash adjusting device is through inserting main location axle 10 and auxiliary positioning axle 20 respectively into to wait to install the gear and installed the gear to adjust the distance between main location axle 10 axis and the auxiliary positioning axle 20 axis through the length of adjustment telescopic link 30, make this distance reach the default, when realizing waiting to install gear and installed gear meshing, wait to install the gear and installed the gear the backlash also can satisfy the user demand, the tensile regulation of telescopic link 30, can be convenient for the user install and debug wait to install the gear and install the gear the backlash. Specifically, the selection of the preset value of the backlash can be determined by those skilled in the art according to the gear size, the rotational speed, the gear ratio, etc., and is not particularly limited herein.
In this embodiment, a plurality of auxiliary positioning shafts 20 and telescopic rods 30 are provided, and a plurality of auxiliary positioning shafts 20 are mounted at one end of the telescopic rods 30 in a one-to-one correspondence. The auxiliary positioning shafts 20 are matched and inserted with the gears to be installed, so that when the gears to be installed are installed, the backlash between the gears to be installed and the gears to be installed can be adjusted to a required value at the same time, and the working efficiency is improved. In this embodiment, the auxiliary positioning shafts 20 and the telescopic rods 30 are provided with 2 auxiliary positioning shafts 20, and the 2 auxiliary positioning shafts 20 are mounted at one end of the telescopic rods 30 in a one-to-one correspondence manner.
Further, the telescopic rod 30 includes an outer rod 31 and an inner rod 32, one end of the outer rod 31 is rotatably connected with the main positioning shaft 10, and the other end is provided with an opening; one end of the inner rod 32 is inserted into the outer rod 31 through an opening, the other end of the inner rod 32 is provided with the auxiliary positioning shaft 20, and the outer wall of the inner rod 32 is in sliding connection with the inner wall of the outer rod 31. The telescopic rod 30 is simple in structure, the inner rod 32 is extended and retracted from the inner rod 31 through the sliding connection between the inner rod 32 and the outer rod 31, the telescopic function is realized, the action is stable, and the accuracy of the distance change between the auxiliary positioning shaft 20 and the axis of the main positioning shaft 10 is improved.
Optionally, the telescopic rod 30 further includes a positioning nut 33, and a threaded mounting hole matched with the positioning nut 33 is formed at one end of the outer rod 31 away from the main positioning shaft 10, and the positioning nut 33 can fix the inner rod 32 on the outer rod 31. The positioning nut 33 can fix the inner rod 32 on the outer rod 31 when the length of the telescopic rod 30 reaches a preset value, and realize the fixed connection of the inner rod 32 and the outer rod, so that the length of the telescopic rod 30 is always kept at the adjusted length, and the installation accuracy is higher when the gear to be installed is installed.
In this embodiment, the outer rod 31 is provided with an observation through hole 311, and the observation through hole 311 is disposed coaxially with the main positioning shaft 10. Specifically, the observation through hole 311 extends in the axial direction of the main positioning shaft 10 and passes through the main positioning shaft 10, so that the user can visually detect the mounting state of the gear to be mounted through the observation through hole 311.
As a preferred embodiment, the outer 31 and inner 32 rods are square in cross-section. Further, the outer rod 31 and the inner rod 32 are each made of stainless steel square tubes. The outer rod 31 and the inner rod 32 made of stainless steel square tubes are square in cross section, after the outer rod 31 and the inner rod 32 are mounted, the inner rod 32 can slide in the outer rod 31 smoothly, meanwhile, the outer rod 31 and the inner rod 32 can be mutually limited, the inner rod 32 is prevented from rotating in the outer rod 31, and the accuracy of mounting and positioning gears to be mounted is improved.
Optionally, a displacement sensor is provided in the telescopic rod 30, which is capable of measuring and outputting the distance between the axis of the main positioning shaft 10 and the axis of the auxiliary positioning shaft 20. Further, a display device 34 is installed outside the telescopic link 30, and the display device 34 is electrically connected with the displacement sensor and is capable of displaying the distance output by the displacement sensor. The displacement sensor can conveniently measure the length of the telescopic rod 30, namely the distance between the axis of the main positioning shaft 10 and the axis of the auxiliary positioning shaft 20, and can directly read the distance through the display device 34, so that a user can conveniently judge whether the distance reaches a preset value or not and carry out subsequent adjustment steps. Meanwhile, after the gear to be installed is installed, a user can also plug the main positioning shaft 10 and the auxiliary positioning shaft 20 into the two gears respectively, directly read the distance between the axes of the two gears, judge whether the gears are installed qualified and whether the gear backlash meets the use requirement, and adjust the distance between the two gears.
Optionally, a positioning boss 21 is provided at an end of the auxiliary positioning shaft 20 remote from the telescopic rod 30, and the positioning boss 21 is used for positioning the auxiliary positioning shaft 20 when the auxiliary positioning shaft 20 is processed. The positioning boss 21 can position the auxiliary positioning shaft 20 when the auxiliary positioning shaft 20 is processed, so that the processing precision of the auxiliary positioning shaft 20 is improved, and after the gear backlash adjusting device is manufactured, the axis of the main positioning shaft 10 and the axis of the auxiliary positioning shaft 20 can be always kept parallel, so that the distance between the main positioning shaft and the auxiliary positioning shaft is more accurate, and the mounting precision of a gear to be mounted is higher.
It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the invention. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (3)
1. A gear backlash adjustment device, characterized by comprising:
The main positioning shaft (10) is matched and spliced with a gear hole of the gear to be installed;
the auxiliary positioning shaft (20) is matched and spliced with the gear hole of the installed gear;
The telescopic rod (30), one end of the telescopic rod (30) is rotatably connected with the main positioning shaft (10), the other end of the telescopic rod is provided with the auxiliary positioning shaft (20), and the telescopic rod (30) is used for adjusting the distance between the axis of the main positioning shaft (10) and the axis of the auxiliary positioning shaft (20) to be a preset value so as to enable the gear to be mounted to be meshed with the mounted gear;
The telescopic rod (30) comprises an outer rod (31) and an inner rod (32), one end of the outer rod (31) is rotationally connected with the main positioning shaft (10), and the other end of the outer rod is provided with an opening; one end of the inner rod (32) is inserted into the outer rod (31) through the opening, the other end of the inner rod is provided with the auxiliary positioning shaft (20), and the outer wall of the inner rod (32) is in sliding connection with the inner wall of the outer rod (31);
The telescopic rod (30) further comprises a positioning nut (33), a threaded mounting hole matched with the positioning nut (33) is formed in one end, far away from the main positioning shaft (10), of the outer rod (31), and the positioning nut (33) can fix the inner rod (32) on the outer rod (31);
An observation through hole (311) is formed in the outer rod (31), and the observation through hole (311) and the main positioning shaft (10) are coaxially arranged;
a displacement sensor is arranged in the telescopic rod (30), and the displacement sensor can measure and output the distance between the axis of the main positioning shaft (10) and the axis of the auxiliary positioning shaft (20);
A display device (34) is arranged outside the telescopic rod (30), and the display device (34) is electrically connected with the displacement sensor and can display the output distance of the displacement sensor;
One end of the auxiliary positioning shaft (20) far away from the telescopic rod (30) is provided with a positioning boss (21), and the positioning boss (21) is used for positioning the auxiliary positioning shaft (20) when the auxiliary positioning shaft (20) is processed;
the auxiliary positioning shafts (20) and the telescopic rods (30) are arranged in a plurality, and the auxiliary positioning shafts (20) are correspondingly arranged at one end of the telescopic rods (30) one by one.
2. Gear backlash adjustment device according to claim 1, characterized in that the outer rod (31) and the inner rod (32) are square in cross section.
3. Gear backlash adjustment device according to claim 2, characterized in that the outer rod (31) and the inner rod (32) are both made of stainless steel square tubes.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210802980.1A CN115031015B (en) | 2022-07-07 | 2022-07-07 | Gear backlash adjusting device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210802980.1A CN115031015B (en) | 2022-07-07 | 2022-07-07 | Gear backlash adjusting device |
Publications (2)
Publication Number | Publication Date |
---|---|
CN115031015A CN115031015A (en) | 2022-09-09 |
CN115031015B true CN115031015B (en) | 2024-05-28 |
Family
ID=83128831
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202210802980.1A Active CN115031015B (en) | 2022-07-07 | 2022-07-07 | Gear backlash adjusting device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN115031015B (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104457661A (en) * | 2014-04-01 | 2015-03-25 | 太原重工股份有限公司 | Detecting device capable of adjusting transmission gap and transmission gap adjusting mechanism |
CN207316000U (en) * | 2017-09-11 | 2018-05-04 | 河北创力机电科技有限公司 | A kind of rack and pinion engagement device |
CN209164488U (en) * | 2018-09-29 | 2019-07-26 | 郑州工业应用技术学院 | The device in cone tooth cylindrical gearing pair gap is eliminated using pressure spring |
CN213017644U (en) * | 2020-06-08 | 2021-04-20 | 迪斯凯瑞传动科技(无锡)有限公司 | Gap eliminating device for gear and rack transmission |
CN216045324U (en) * | 2021-08-30 | 2022-03-15 | 无锡元意达科技有限公司 | Linear driving device with automatic clearance compensation |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015104712B3 (en) * | 2015-03-27 | 2016-04-07 | Blickle Sondermaschinen Gmbh & Co. Kg | Device for carrying out a phase-locked linear displacement of two shafts arranged in parallel |
-
2022
- 2022-07-07 CN CN202210802980.1A patent/CN115031015B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104457661A (en) * | 2014-04-01 | 2015-03-25 | 太原重工股份有限公司 | Detecting device capable of adjusting transmission gap and transmission gap adjusting mechanism |
CN207316000U (en) * | 2017-09-11 | 2018-05-04 | 河北创力机电科技有限公司 | A kind of rack and pinion engagement device |
CN209164488U (en) * | 2018-09-29 | 2019-07-26 | 郑州工业应用技术学院 | The device in cone tooth cylindrical gearing pair gap is eliminated using pressure spring |
CN213017644U (en) * | 2020-06-08 | 2021-04-20 | 迪斯凯瑞传动科技(无锡)有限公司 | Gap eliminating device for gear and rack transmission |
CN216045324U (en) * | 2021-08-30 | 2022-03-15 | 无锡元意达科技有限公司 | Linear driving device with automatic clearance compensation |
Also Published As
Publication number | Publication date |
---|---|
CN115031015A (en) | 2022-09-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN2926178Y (en) | Automobile lifter with mechanical transmission | |
KR101294345B1 (en) | Apparatus for measuring backlash of planatary reduction gear | |
CN102032967A (en) | Torque calibration test bed for loader transmission shaft | |
CN108592760A (en) | A kind of bearing end-play measuring instrument being conveniently operated | |
CN115031015B (en) | Gear backlash adjusting device | |
CN200972382Y (en) | Simple vertical displacement amplifier | |
CN112146874A (en) | Self-adjusting bevel gear test box with adjustable offset | |
WO2023065736A1 (en) | Differential assembly steering angle measurement device and measurement method | |
CN110044543A (en) | Torque sensor calibrating device | |
CN207093671U (en) | A kind of automatic anti-backlash worm wheel worm decelerating machine | |
CN209511070U (en) | Uncoiling gear-box | |
CN109059739B (en) | Multi-gear size error detection device for crankshaft | |
CN210510167U (en) | Heliostat pitching transmission device | |
CN210128049U (en) | Anti-backlash nut structure with component health state online monitoring device | |
CN209755140U (en) | Rotary clamp | |
CN219064473U (en) | Gear backlash measuring device of speed reducer | |
CN220187869U (en) | Pipe wall type temperature transmitter | |
CN202215731U (en) | Layout structure of encoders on automatic transmission | |
CN219831484U (en) | Optical machine structure and display panel detection device | |
CN218674043U (en) | Electronic pressure gauge | |
CN221824125U (en) | Angle feedback device for fan movable blade and fan | |
CN216484401U (en) | Rotary bending fatigue testing machine with environment box | |
RU54170U1 (en) | DEVICE FOR MEASURING A SHAFT TORQUE ANGLE | |
CN212431966U (en) | Simple checking fixture for position degree of helical teeth of intermediate shaft | |
CN221376533U (en) | Gear side clearance detection device of gear pair |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |