CN115855532B - Dynamic torque load spectrum testing device for wheel loader half shaft - Google Patents
Dynamic torque load spectrum testing device for wheel loader half shaft Download PDFInfo
- Publication number
- CN115855532B CN115855532B CN202310152254.4A CN202310152254A CN115855532B CN 115855532 B CN115855532 B CN 115855532B CN 202310152254 A CN202310152254 A CN 202310152254A CN 115855532 B CN115855532 B CN 115855532B
- Authority
- CN
- China
- Prior art keywords
- plate
- fixedly connected
- motor
- groove
- elastic
- 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
Images
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention relates to the technical field of loader half shafts, in particular to a wheel loader half shaft dynamic torque load spectrum testing device which comprises a bottom plate, wherein a side view component and a transmission component are fixedly connected to the top of the bottom plate, a supporting plate is fixedly connected to the top of the bottom plate, a motor is fixedly connected to the top of the supporting plate, a supporting seat is fixedly connected to the top of the bottom plate, a driven component is fixedly connected to the top of the supporting seat, a belt is arranged at the output end of the motor, and the motor is in transmission connection with the driven component through the belt.
Description
Technical Field
The invention relates to the technical field of loader half shafts, in particular to a dynamic torque load spectrum testing device for a wheel loader half shaft.
Background
In the research and development process of automobiles, the axle shaft torque test is an important index for evaluating the reliability of automobiles and is also an important index for evaluating engines and motors. The monitoring of the torque of the half shaft of the automobile can find abnormal working conditions, and the test data of the torque of the half shaft is collected and analyzed, so that basis can be provided for fault diagnosis, the overload deformation and fatigue fracture of the shaft are prevented, the occurrence of accidents is reduced, and the safe operation is ensured.
The patent application with the publication number of CN115184798A discloses an energy-saving type wheel load loading test device for a hub electric locomotive, a mounting shaft is slidably arranged on a support of a base, a hub motor is mounted in the middle of the mounting shaft, a photoelectric encoder and a torque sensor are respectively arranged on two sides of the hub motor, an inner stator of the hub motor is fixedly connected with the mounting shaft, and an outer rotor of the hub motor is fixedly connected with an inner hollow rotating shaft of the photoelectric encoder and the torque sensor.
The above-mentioned patent application needs the motor to drive in service and operates, but the vibrations that produce when the motor rotates are great, in order to avoid the influence that the motor vibrations produced, can all be firm to test the motor generally to lead to the inconvenient dismantlement to the machine after the test, so we propose a wheel loader semi-axis dynamic torque load spectrum testing arrangement.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a device for testing the dynamic torque load spectrum of a wheel loader half shaft, which aims to solve the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a wheel loader semi-axis dynamic torque load spectrum testing arrangement, includes the bottom plate, bottom plate top fixedly connected with test module and transmission module, bottom plate top fixedly connected with backup pad, backup pad top fixedly connected with motor, bottom plate top fixedly connected with supporting seat, supporting seat top fixedly connected with driven module, the motor output is provided with the belt, the motor passes through belt and driven module transmission connection;
the motor is characterized in that a mounting hole is formed in the bottom of the motor, a partition plate is fixedly connected to the top of the supporting plate, two slotting II are formed in the top of the partition plate, and slotting III are formed in the surfaces of the slotting II;
two the inside connecting plate that all is provided with of fluting two, two connecting plate surface all fixedly connected with inserted block, the inserted block is used for inserting to establish in the inside of mounting hole, two the fluting one has all been seted up to the one end that the motor was kept away from to the connecting plate.
Preferably, the three inner walls of the slot are fixedly connected with a first elastic plate, and a clamping piece is arranged in the first slot;
the clamping piece comprises a vertical rod, the outer surface of the vertical rod is contacted with the first elastic plate, the outer surface of the vertical rod is fixedly sleeved with the first connecting ring, and the upper end of the vertical rod is fixedly sleeved with the second connecting ring.
Preferably, one ends of the first connecting rings, which are far away from each other, are contacted with the groove wall of the first groove, the bottom of the second connecting ring is contacted with the top of the connecting plate, and the top of the second connecting ring is contacted with the top of the groove wall of the third groove.
Preferably, a placing groove is formed in the middle shaft in the supporting plate, a first communicating groove is formed in the bottom of the placing groove, the first communicating groove is in a circular truncated cone shape, and a limiting mechanism is arranged in the placing groove.
Preferably, the limiting mechanism comprises a convex plate, the upper end of the convex plate protrudes out of the supporting plate, a connecting block is arranged right below the convex plate, the length of the connecting block is larger than the diameter of the top of the first communicating groove, and the middle of the connecting block is provided with the second communicating groove.
Preferably, the bottom of the convex plate is fixedly connected with two elastic plates III, two inner walls of the elastic plates III are fixedly connected with fixing plates, and one ends of the fixing plates, which are respectively far away from the two elastic plates III, are arranged in a bending mode.
Preferably, the elastic plates II are fixedly connected to the surfaces of the elastic plates III, clamping beads are arranged between the elastic plates III and the fixing plates on the same side, the clamping beads are arranged in an elliptical shape, and the lengths of the clamping beads are consistent with the thickness of the placing grooves.
Preferably, the convex plate bottom is connected with the connecting rod through the pivot rotation, the connecting rod runs through the intercommunication groove two and extends to the inside of intercommunication groove one, connecting rod bottom fixedly connected with damping ball.
Compared with the prior art, the invention provides a wheel loader half shaft dynamic torque load spectrum testing device, which has the following beneficial effects:
1. according to the invention, after the motor is placed at the top of the supporting plate, the motor gradually moves along the partition plate under the limitation of the partition plate, wherein when the motor is placed, the motor extrudes the convex plate to be immersed into the placing groove, and after the motor continuously moves to a specific position along the partition plate, the convex plate moves upwards and is clamped into the adaptive clamping groove arranged at the middle end of the bottom of the motor under the assistance of the elastic plate III, so that the position of the motor can be limited under the cooperation of the motor and the partition plate.
2. According to the invention, the fixing plate is arranged on the inner wall of the convex plate, the clamping beads are arranged at the joint of the fixing plate and the convex plate, the clamping beads can be prevented from being separated from the convex plate through the special bending arrangement of the tail end of the fixing plate, and the elastic plate III is bent to drive the clamping beads to continuously approach the fixing plate when the convex plate is extruded, so that the clamping beads can continuously approach the bending position of the elastic plate III, and the situation that the elastic plate III cannot be deformed normally due to excessive extrusion can be avoided.
3. According to the invention, the connecting rod and the damping ball are arranged at the bottom of the convex plate, so that the connecting rod and the damping ball can be driven to shake through the convex plate when the motor vibrates, the vibration condition of the motor can be greatly reduced, and the distance deviation between the motor and the driven component is avoided, so that the normal test result is influenced.
4. According to the invention, after the motor moves to a specific position, the connecting plate and the inserting block are vertically inserted through the second slot, the connecting plate can drive the inserting block to be clamped into the mounting hole, the vertical rod slides into the third slot, the connecting plate is prevented from moving upwards to be separated from the partition plate by matching the first connecting ring and the second connecting ring at the bottom, and the two first connecting rings are arranged in the first slot, so that the influence on the limiting effect of the motor caused by shaking when the connecting plate is impacted can be avoided.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic illustration of the connection of the motor and driven assembly of the present invention;
FIG. 3 is a schematic view of the structure of the support plate and motor of the present invention;
FIG. 4 is a schematic view of the structure of the separator of the present invention;
FIG. 5 is an exploded view of the separator of the present invention;
FIG. 6 is a cross-sectional view of a support plate of the present invention;
FIG. 7 is a schematic view of a spacing mechanism according to the present invention;
FIG. 8 is an enlarged schematic view of FIG. 7A in accordance with the present invention;
fig. 9 is an enlarged schematic view of the invention B of fig. 5.
In the figure: 1. a bottom plate; 2. a support plate; 21. a partition plate; 211. slotting II; 212. grooving III; 22. a connecting plate; 23. inserting blocks; 24. slotting I; 25. an elastic plate I; 26. a clamping piece; 261. a vertical rod; 262. a first connecting ring; 263. a second connecting ring; 27. a placement groove; 28. a first communicating groove; 29. a limiting mechanism; 291. a convex plate; 292. an elastic plate III; 293. a connecting block; 294. a second communicating groove; 295. a connecting rod; 296. damping balls; 297. a fixing plate; 298. clamping beads; 299. an elastic plate II; 3. a motor; 31. a mounting hole; 4. a support base; 5. a driven assembly; 6. a belt; 7. a transmission assembly; 8. and testing the assembly.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Examples of the embodiments are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements throughout or elements having like or similar functionality. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed 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 by those of ordinary skill in the art according to the specific circumstances.
Referring to fig. 1-9, the present invention provides a technical solution: the utility model provides a wheel loader semi-axis dynamic torque load spectrum testing arrangement, includes bottom plate 1, bottom plate 1 top fixedly connected with test module 8 and transmission module 7, bottom plate 1 top fixedly connected with backup pad 2, backup pad 2 top fixedly connected with motor 3, bottom plate 1 top fixedly connected with supporting seat 4, supporting seat 4 top fixedly connected with driven module 5, motor 3 output is provided with belt 6, motor 3 passes through belt 6 and driven module 5 transmission connection;
the bottom of the motor 3 is provided with a mounting hole 31, the top of the supporting plate 2 is fixedly connected with a partition plate 21, the top of the partition plate 21 is provided with two slotting second 211, the surfaces of the two slotting second 211 are provided with slotting third 212, the middle shaft in the supporting plate 2 is provided with a placing groove 27, the bottom of the placing groove 27 is provided with a first communicating groove 28, the first communicating groove 28 is in a truncated cone shape, and the placing groove 27 is internally provided with a limiting mechanism 29;
the inside of the two slotting II 211 is provided with connecting plates 22, the surfaces of the two connecting plates 22 are fixedly connected with inserting blocks 23, the inserting blocks 23 are used for being inserted into the mounting holes 31, one ends of the two connecting plates 22, which are far away from the motor 3, are provided with slotting I24, the inner wall of the slotting III 212 is fixedly connected with an elastic plate I25, and clamping pieces 26 are arranged in the slotting I24;
the clamping piece 26 comprises a vertical rod 261, the vertical rod 261 is located on the inner wall of the groove III 212, the length of the vertical rod 261 is consistent with the depth of the groove III 212, the outer surface of the vertical rod 261 is in contact with the first elastic plate 25, two connecting rings 262 are fixedly sleeved on the outer surface of the vertical rod 261, two connecting rings 263 are fixedly sleeved on the upper end of the vertical rod 261, one ends, far away from each other, of the two connecting rings 262 are all in contact with the groove wall of the groove I24, the bottom of the connecting rings 263 is in contact with the top of the connecting plate 22, the top of the connecting rings 263 is in contact with the top of the groove wall of the groove III 212, when the inside of the groove III 212 slides into the vertical rod 261, the vertical rod 261 presses the first elastic plate 25, an arc clamping groove matched with the shape of the vertical rod 261 is formed in the surface of the first elastic plate 25, the vertical rod 261 presses the first elastic plate 25 and moves along the first elastic plate 25 until the vertical rod 261 is immersed into the innermost part of the groove III 212, and after the vertical rod 261 contacts and is bonded with the arc clamping groove of the first elastic plate 25, so that the vertical rod 261 can be clamped inside the groove III 212, the movement of the vertical rod 261 in the horizontal direction is limited by the elastic plate 25, and the inside of the groove is prevented from easily separating from the groove III 212.
The limiting mechanism 29 comprises a protruding plate 291, the upper end of the protruding plate 291 protrudes out of the supporting plate 2, when the motor 3 is placed, the motor 3 extrudes the protruding plate 291 to be immersed into the placing groove 27, and after the motor 3 moves to a specific position, the protruding plate 291 moves upwards to be clamped into an adaptive clamping groove formed in the middle end of the bottom of the motor 3, so that the position of the motor 3 can be limited under the cooperation of the baffle 21; the connecting block 293 is arranged right below the protruding plate 291, the length of the connecting block 293 is larger than the diameter of the top of the first connecting groove 28, the second connecting groove 294 is formed in the middle of the connecting block 293, two elastic plates III 292 are fixedly connected to the bottom of the protruding plate 291, the inner walls of the two elastic plates III 292 are fixedly connected with the fixing plates 297, one ends of the two fixing plates 297, which are far away from the two elastic plates III 292 respectively, are respectively arranged in a bending mode, the surfaces of the two elastic plates III 292 are fixedly connected with the elastic plates II 299, clamping beads 298 are arranged between the elastic plates III 292 and the fixing plates 297 on the same side, the clamping beads 298 are arranged in an elliptical mode, the length of the clamping beads 298 is consistent with the thickness of the placing groove 27, when the protruding plate 291 is extruded, the elastic plates III 292 are bent, the clamping beads 298 can be driven to approach the fixing plates 297 when the elastic plates III 292 are bent, the upper ends of the elastic plates III 292 are not affected, the clamping beads 298 can be extruded to the elastic plates III 292 under the limitation of the elastic plates III 292, the two elastic plates III 292 are close to the position of the elastic plates III 292, the bending sites of the elastic plates III are changed into the bending sites, the bending sites can be reset conveniently, and the elastic beads can be reset and the bending sites of the elastic beads can be reset conveniently, and the bending sites of the two elastic plates III can be reset when the bending sites are reset, and the bending device can be reset;
the boss 291 bottom is connected with the connecting rod 295 through the pivot rotation, and connecting rod 295 runs through intercommunication groove two 294 and extends to inside the first 28 of intercommunication groove, and connecting rod 295 bottom fixedly connected with damping ball 296 through setting up connecting rod 295 and damping ball 296 in boss 291 bottom, can drive connecting rod 295 and damping ball 296 and rock through boss 291 when motor 3 shakes to can reduce the condition that motor 3 shakes by a wide margin, avoid the distance deviation between motor 3 and the driven component 5 and then influence normal test result.
When the motor 3 is placed on the top of the supporting plate 2, the motor 3 gradually moves along the partition plate 21 in the horizontal direction under the limit of the partition plate 21, wherein when the motor 3 is placed, the motor 3 extrudes the convex plate 291 to be immersed into the placing groove 27, and after the motor 3 continuously moves to a specific position along the partition plate 21, the convex plate 291 moves upwards and is clamped into an adaptive clamping groove formed in the middle end of the bottom of the motor 3 under the assistance of the elastic plate III 292, so that the position of the motor 3 can be limited under the cooperation of the motor 3 and the partition plate 21;
by arranging the fixing plate 297 on the inner wall of the protruding plate 291 and arranging the clamping beads 298 at the joint of the fixing plate 297 and the elastic plate III 292, the clamping beads 298 can be prevented from being separated from the protruding plate 291 by the special bending arrangement at the tail end of the fixing plate 297, and the elastic plate III 292 is bent to drive the clamping beads 298 to be continuously close to the fixing plate 297 when the protruding plate 291 is extruded, so that the clamping beads 298 can be continuously close to the bending position of the elastic plate III 292, and the situation that the elastic plate III 292 cannot be normally deformed due to excessive extrusion can be avoided;
by arranging the connecting rod 295 and the damping ball 296 at the bottom of the convex plate 291, the connecting rod 295 and the damping ball 296 can be driven to shake through the convex plate 291 when the motor 3 vibrates, so that the vibration condition of the motor 3 can be greatly reduced, and the influence on the normal test result due to the deviation of the distance between the motor 3 and the driven component 5 is avoided;
through after motor 3 moves to specific position, through fluting second 211 vertical insertion connecting plate 22 and inserted block 23, connecting plate 22 can drive inserted block 23 card and go into inside mounting hole 31, through at the inside montant 261 that slides in fluting third 212, through the cooperation of go-between first 262 and go-between second 263 of bottom avoid connecting plate 22 to shift up and break away from baffle 21, two go-between 262 setting are inside fluting first 24, can avoid rocking when connecting plate 22 receives the impact and lead to causing the influence to motor 3's restriction effect.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a wheel loader semi-axis dynamic torque load spectrum testing arrangement, includes bottom plate (1), bottom plate (1) top fixedly connected with test module (8) and transmission module (7), its characterized in that: the motor is characterized in that the top of the bottom plate (1) is fixedly connected with the supporting plate (2), the top of the supporting plate (2) is fixedly connected with the motor (3), the top of the bottom plate (1) is fixedly connected with the supporting seat (4), the top of the supporting seat (4) is fixedly connected with the driven component (5), the output end of the motor (3) is provided with the belt (6), and the motor (3) is in transmission connection with the driven component (5) through the belt (6); the motor is characterized in that a mounting hole (31) is formed in the bottom of the motor (3), a partition plate (21) is fixedly connected to the top of the supporting plate (2), two slotting second (211) are formed in the top of the partition plate (21), and slotting third (212) are formed in the surfaces of the slotting second (211); the two grooving two (211) are internally provided with connecting plates (22), the surfaces of the two connecting plates (22) are fixedly connected with inserting blocks (23), the inserting blocks (23) are used for being inserted into the mounting holes (31), the two connecting plates (22) are far away from one end of the motor (3) and are provided with grooving one (24), the middle shaft in the supporting plate (2) is provided with a holding groove (27), the bottom of the holding groove (27) is provided with a first communicating groove (28), the first communicating groove (28) is in a truncated cone shape, the holding groove (27) is internally provided with a limiting mechanism (29), the limiting mechanism (29) comprises a convex plate (291), the upper ends of the convex plate (291) are protruded from the supporting plate (2), the convex plate (291) is provided with a connecting block (293) under the diameter of the top of the first communicating groove (28), the middle part of the connecting block (293) is provided with a second communicating groove (294), the bottom of the convex plate (291) is fixedly connected with two elastic plates (292), the two elastic plates (292) are fixedly connected with one ends of the two elastic plates (292) and the two elastic plates (292) are fixedly connected with one end (297), be located between elastic plate three (292) and fixed plate (297) of homonymy and be provided with card pearl (298), card pearl (298) are oval form setting, and card pearl (298) length is unanimous with the thickness of standing groove (27), protruding board (291) bottom is connected with connecting rod (295) through the pivot rotation, connecting rod (295) run through intercommunication groove two (294) and extend to inside intercommunication groove one (28), connecting rod (295) bottom fixedly connected with damping ball (296).
2. The wheel loader half shaft dynamic torque load spectrum testing device of claim 1, wherein: the inner wall of the third slot (212) is fixedly connected with a first elastic plate (25), and a clamping piece (26) is arranged in the first slot (24); the clamping piece (26) comprises a vertical rod (261), the outer surface of the vertical rod (261) is in contact with the first elastic plate (25), two first connecting rings (262) are fixedly sleeved on the outer surface of the vertical rod (261), and second connecting rings (263) are fixedly sleeved on the upper end of the vertical rod (261).
3. The wheel loader half shaft dynamic torque load spectrum testing device of claim 2, wherein: one end of the first connecting ring (262) far away from each other is contacted with the groove wall of the first groove (24), the bottom of the second connecting ring (263) is contacted with the top of the connecting plate (22), and the top of the second connecting ring (263) is contacted with the top of the groove wall of the third groove (212).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310152254.4A CN115855532B (en) | 2023-02-23 | 2023-02-23 | Dynamic torque load spectrum testing device for wheel loader half shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310152254.4A CN115855532B (en) | 2023-02-23 | 2023-02-23 | Dynamic torque load spectrum testing device for wheel loader half shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115855532A CN115855532A (en) | 2023-03-28 |
| CN115855532B true CN115855532B (en) | 2023-05-05 |
Family
ID=85658682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310152254.4A Active CN115855532B (en) | 2023-02-23 | 2023-02-23 | Dynamic torque load spectrum testing device for wheel loader half shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115855532B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113776712A (en) * | 2021-09-02 | 2021-12-10 | 柳州铁道职业技术学院 | Method and device for testing dynamic torque load spectrum of half shaft of wheel loader |
| WO2022000904A1 (en) * | 2020-07-03 | 2022-01-06 | 苏州众创阳光新能源科技有限公司 | Fixing device for vacuum pump maintenance |
| CN114674678A (en) * | 2022-03-03 | 2022-06-28 | 江苏太平洋精锻科技股份有限公司 | Static torsion strength testing device for zero-clearance differential mechanism assembly |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3761241B2 (en) * | 1996-03-13 | 2006-03-29 | 株式会社東芝 | Seismic isolation device |
| JPH09264378A (en) * | 1996-03-26 | 1997-10-07 | Matsushita Electric Works Ltd | Vibration damping device |
| JPH11287294A (en) * | 1998-03-31 | 1999-10-19 | Fuji Photo Optical Co Ltd | Motor supporting structure |
| CA2777088A1 (en) * | 2009-07-15 | 2011-01-15 | Haisam Yakoub | Frictional non rocking seismic base isolator for structure seismic protection (fnsi) |
| CN210005649U (en) * | 2019-04-16 | 2020-01-31 | 珠海博尔科技有限公司 | Intelligent motor detection auxiliary device |
| CN111779637A (en) * | 2020-07-27 | 2020-10-16 | 浙江工业大学 | Single-pendulum type vibration damping device used inside large wind turbine tower |
| CN111969777A (en) * | 2020-08-19 | 2020-11-20 | 王浩然 | Composite motor |
| CN112361166B (en) * | 2020-11-09 | 2022-03-08 | 张福民 | Base fixing device for mining equipment |
| CN216198794U (en) * | 2021-09-26 | 2022-04-05 | 上海润宸泵业有限责任公司 | High-efficient low noise vacuum pump |
| CN115542153B (en) * | 2022-09-30 | 2023-10-13 | 常州萨密得机电设备有限公司 | Servo motor reliability test loading device and method |
-
2023
- 2023-02-23 CN CN202310152254.4A patent/CN115855532B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022000904A1 (en) * | 2020-07-03 | 2022-01-06 | 苏州众创阳光新能源科技有限公司 | Fixing device for vacuum pump maintenance |
| CN113776712A (en) * | 2021-09-02 | 2021-12-10 | 柳州铁道职业技术学院 | Method and device for testing dynamic torque load spectrum of half shaft of wheel loader |
| CN114674678A (en) * | 2022-03-03 | 2022-06-28 | 江苏太平洋精锻科技股份有限公司 | Static torsion strength testing device for zero-clearance differential mechanism assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115855532A (en) | 2023-03-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4489822B2 (en) | Flywheel assembly | |
| CN113351736A (en) | Battery steel shell panel beating punching press frock | |
| CN115855532B (en) | Dynamic torque load spectrum testing device for wheel loader half shaft | |
| CN112648283A (en) | Dynamic pressure radial gas bearing | |
| CN202415928U (en) | Connection structure for motor shaft and upper shaft of sewing machine | |
| KR20000025096A (en) | Apparatus for absorbing dynamically vibration of rotation body | |
| CN107257176B (en) | Rotor, motor and compressor having the same | |
| CN212055743U (en) | Positioning device for realizing axial movement of gear | |
| CN114134313B (en) | Small-size vibration destressing equipment | |
| CN213511662U (en) | Radial gas foil bearing | |
| CN220740401U (en) | Automatic slotting device for automobile clutch facing production | |
| CN218934563U (en) | Low-noise balance shaft housing assembly | |
| CN218885430U (en) | Reduction box aging test frame | |
| CN1479444A (en) | Rod progressive wave type ultrasonic electric machine | |
| CN113625168A (en) | Retired battery performance detection and evaluation device | |
| CN216065109U (en) | Battery steel shell panel beating punching press frock | |
| CN221857465U (en) | Engine balance shaft gear assembly | |
| CN219697396U (en) | EPB motor abnormal shape support frame | |
| CN215521697U (en) | Constant velocity universal joint transmission shaft | |
| CN219893096U (en) | Motor connection assembly and vehicle | |
| CN214221962U (en) | New energy automobile derailleur fixed connection structure | |
| CN212717832U (en) | Miniature cycloidal pin gear speed reducer | |
| CN215487215U (en) | Porous installation axle sleeve with shock attenuation | |
| CN210469018U (en) | Electric machine | |
| CN216541710U (en) | Single action cylinder bearing installation buffer gear |
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 | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Dynamic torque load spectrum testing device for half axle of wheel loader Effective date of registration: 20230615 Granted publication date: 20230505 Pledgee: Shandong Laizhou Rural Commercial Bank Co.,Ltd. Pledgor: SHANDONG MINGYU HEAVY INDUSTRY MACHINERY Co.,Ltd. Registration number: Y2023980043980 |