CN113819047B - Axial force loading device of lubricating oil pump - Google Patents
Axial force loading device of lubricating oil pump Download PDFInfo
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- CN113819047B CN113819047B CN202111073562.5A CN202111073562A CN113819047B CN 113819047 B CN113819047 B CN 113819047B CN 202111073562 A CN202111073562 A CN 202111073562A CN 113819047 B CN113819047 B CN 113819047B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B51/00—Testing machines, pumps, or pumping installations
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Abstract
The utility model belongs to the technical field of the lubricating oil pump detects and specifically relates to a lubricating oil pump axial force loading device is related to, including installing the integral key shaft between motor output shaft and lubricating oil pump installation axle, the integral key shaft orientation the mounting groove has been seted up to the one end of lubricating oil pump, sliding connection has loading spring and sliding block in the mounting groove, loading spring is located the sliding block with between the sliding pump installation axle, the integral key shaft outside is provided with the drive the sliding block is in gliding drive assembly in the mounting groove, seted up the confession on the integral key shaft lateral wall drive the gliding spout of assembly. This application has the effect of being convenient for adjust the loading force of exerting on the lubricating oil pump.
Description
Technical Field
The application relates to the field of lubricating oil pump detection, in particular to a lubricating oil pump axial force loading device.
Background
The lubricating oil pump is an important component of a lubricating oil system and is mainly used for conveying and recovering lubricating oil of a bearing and transmission gear part of an engine. The engine lubricating oil system is an indispensable part of an engine, the quality and the performance of the lubricating oil pump directly influence the performance of the engine lubricating oil system, and when the lubricating oil pump is tested, the axial force loading is generally required on a mounting shaft of the lubricating oil pump.
At present, the mode of loading the axial force of the installation shaft of the lubricating oil pump is that the output shaft of the motor drives the installation shaft of the lubricating oil pump to rotate through the spline shaft, a loading spring is placed between the spline shaft and the lubricating oil pump, the axial force of the lubricating oil pump is loaded through the loading spring, and the loaded axial force can be determined by measuring the elastic force of the loading spring in advance. By changing the loading springs with different elastic forces, the loading force can be changed, and the performance of the lubricating oil pump can be measured under different loading forces.
However, in this way, when the loading force applied to the lubricating oil pump needs to be changed, the loading spring needs to be replaced cyclically, and the operation is very troublesome.
Disclosure of Invention
In order to facilitate the adjustment of the loading force applied to the lubricating oil pump, the application provides an axial force loading device of the lubricating oil pump.
The application provides a lubricating oil pump axial force loading device adopts following technical scheme:
the utility model provides a lubricating oil pump axial force loading device, is including installing the integral key shaft between motor output shaft and lubricating oil pump installation axle, the integral key shaft orientation the mounting groove has been seted up to the one end of lubricating oil pump, sliding connection has loading spring and sliding block in the mounting groove, loading spring is located the sliding block with between the installation axle of sliding pump, the integral key shaft outside is provided with the drive the sliding block is in gliding drive assembly in the mounting groove, seted up the confession on the integral key shaft lateral wall drive the gliding spout of assembly.
Through adopting above-mentioned technical scheme, during the use, directly install sliding block and loading spring in the mounting groove, and make loading spring be located between the installation axle of sliding block and sliding pump, can provide axial force for the installation axle of sliding pump through loading spring. When the axial force of installing epaxial is exerted in needs regulation, the direct operation sliding block slides to loading spring place direction in the mounting groove, can increase the axial force that loading spring exerted on the lubricating oil pump, does not need the circulation to change loading spring, and the staff directly can drive the sliding block through driving the subassembly and slide in the integral key shaft outside, realizes adjusting the epaxial axial loading force of installation of applying at the lubricating oil pump, adjusts convenient laborsaving more.
Optionally, the driving assembly comprises a sliding ring which is connected to the spline shaft in a sliding mode, and the sliding ring is fixedly connected with the sliding block to drive the sliding block to slide.
Through adopting above-mentioned technical scheme, the staff can drive the sliding block and slide in the mounting groove through externally operating the slip ring and sliding along integral key shaft length direction to the realization is to exerting the regulation of loading force on the lubricating oil pump.
Optionally, the spline shaft is rotatably connected with a shell for supporting the spline shaft, the driving assembly further comprises an extension piece arranged on the sliding ring, and the shell is provided with an avoidance groove for the extension piece to pass through.
Through adopting above-mentioned technical scheme, the casing can play the effect of fixed stay to the spline axle, and the extension can increase the length of slip ring for the staff can drive the sliding block and slide in the mounting groove at casing outside operation extension.
Optionally, the extension piece includes a mounting ring arranged on the sliding ring and a shifting lever fixedly connected to a side wall of the mounting ring, and one end of the shifting lever, which is far away from the mounting ring, extends out to avoid the groove to be exposed to the outside.
Through adopting above-mentioned technical scheme, the staff can drive the sliding block and slide in the mounting groove through outside operating the driving lever and sliding in dodging the inslot, and it is more convenient to operate.
Optionally, the mounting ring is rotatably connected to the sliding ring.
Through adopting above-mentioned technical scheme for when motor output shaft passes through the integral key shaft and drives the installation axle rotation of lubricating oil pump, the integral key shaft will drive the slip ring and rotate for the collar, can not drive the driving lever and rotate, makes at motor output shaft drive lubricating oil pump pivoted in-process, and the staff also can operate the driving lever and slide in dodging the groove, realizes the regulation to lubricating oil pump loading power in the course of the work.
Optionally, one end of the elongated member, which is located outside the housing, is fixedly connected with a pressure detection module, and the pressure detection module is located on one side of the elongated member, which is far away from the loading spring. .
Through adopting above-mentioned technical scheme, when the staff drives the sliding block through application of force extension piece and slides to loading spring place direction in the mounting groove, pressure detection module can detect the power of applying on extension piece to detect out the loading spring and apply at the epaxial axial force of lubricating oil pump installation, accomplish the real-time detection to the loading power, detect more accurately.
Optionally, the driving assemblies are arranged in two groups, and the two groups of driving assemblies surround the spline shaft at intervals.
Through adopting above-mentioned technical scheme, can drive the sliding block and slide in the mounting groove through two sets of drive subassemblies for the power of applying on the sliding block is symmetrical even more, and the sliding block slides more smoothly in the mounting groove.
Optionally, the housing is slidably connected with a shift lever push disc which drives two groups of driving assemblies to move along the length direction of the spline shaft, the shift lever push disc is located on one side of the driving assemblies, which is far away from the loading spring, and a fixing member for fixing the shift lever push disc on the housing is arranged between the shift lever push disc and the housing.
Through adopting above-mentioned technical scheme, the staff passes through the operation driving lever and pushes away the dish and slide to loading spring place direction, can push away the dish through the driving lever and drive two sets of drive subassemblies simultaneously and move to loading spring place direction, and two sets of drive subassemblies also drive the sliding block simultaneously and move to loading spring place direction in the mounting groove to increase the loading force of applying on the lubricating oil pump. After the loading force is adjusted, the position of the shifting lever pushing disc on the shell can be fixed through the fixing piece, and the shifting lever pushing disc is prevented from moving towards the direction far away from the loading spring under the action of the elastic force of the loading spring.
Optionally, a fixing ring is fixedly connected to the outer wall of the shell, the fixing ring is located on one side, away from the loading spring, of the shifting lever pushing disc, the fixing piece comprises an adjusting bolt in threaded connection with the shifting lever pushing disc, and one end of the adjusting bolt abuts against the fixing ring.
Through adopting above-mentioned technical scheme, when the epaxial loading force of installation at the lubricating oil pump is exerted in needs regulation, directly revolve wrong adjusting bolt, with adjusting bolt threaded connection's driving lever push tray will slide along adjusting bolt length direction to realize the regulation to lubricating oil pump installation axle loading force through the driving medium, the back of finishing adjusting, under the effect of loading spring elasticity, adjusting bolt keeps away from the one end butt of loading spring on solid fixed ring, adjusting bolt is by the centre gripping between driving medium and solid fixed ring, thereby fix the position of driving lever push tray on the casing.
Optionally, the housing is provided with a guide for guiding the sliding direction of the shift lever push disc.
By adopting the technical scheme, the guide piece can provide a guide effect for the sliding of the shifting lever pushing disc, so that the shifting lever pushing disc can smoothly slide.
In summary, the present application includes at least one of the following beneficial technical effects:
according to the sliding oil pump mounting shaft, the driving component is arranged, so that a worker can drive the sliding block to slide in the mounting groove through the driving component outside to extrude the loading spring or release the elastic force of the loading spring, the axial loading force applied to the mounting shaft of the sliding oil pump can be quickly adjusted, and the adjustment is very quick and convenient;
the pressure detection module can realize real-time detection of the loading force applied to the mounting shaft of the lubricating oil pump, and the detection data is more accurate;
the sliding block is connected with the rotation of collar for when the motor output shaft passes through the integral key shaft and drives the oil pump installation axle pivoted in-process, the integral key shaft can not drive driving lever and pressure measurement module and rotate, and at integral key shaft pivoted in-process, the staff also can adjust the loading force of applying at the oil pump installation epaxial through the driving lever, and the operation is more nimble.
Drawings
Fig. 1 is a schematic structural view of the entire present application.
Fig. 2 is a schematic front sectional view of the present application.
Fig. 3 is a schematic structural diagram of another perspective of the present application.
Description of reference numerals: 1. a spline shaft; 11. mounting grooves; 12. a chute; 2. loading a spring; 3. a slider; 4. a driving component; 41. a slip ring; 42. a lengthening member; 421. a mounting ring; 422. a deflector rod; 43. a flat bond; 5. a housing; 51. an avoidance groove; 6. a pressure detection module; 7. a deflector rod pushing disc; 8. a fixing member; 81. a fixing ring; 82. adjusting the bolt; 9. a guide member; 91. a fixed block; 92. and a guide post.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses lubricating oil pump axial force loading device. Referring to fig. 1, the lubricating oil pump axial force loading device includes a spline shaft 1, and the spline shaft 1 is installed between the motor output shaft and the lubricating oil pump installation shaft, and is used for transmitting the power of the motor output shaft to the installation shaft of the lubricating oil pump.
Referring to fig. 1 and 2, a mounting groove 11 is formed in one end of the spline shaft 1 facing the lubricating oil pump mounting shaft, a loading spring 2 and a sliding block 3 are connected in the mounting groove 11 in a sliding mode, wherein the sliding block 3 is located at one end close to the bottom of the mounting groove 11, and the loading spring 2 is located between the sliding block 3 and the lubricating oil pump mounting shaft. The outside of the spline shaft 1 is provided with a driving component 4 which drives the sliding block 3 to slide in the mounting groove 11, and meanwhile, the outer wall of the spline shaft 1 is provided with a sliding groove 12 communicated to the mounting groove 11 and used for driving the component 4 to slide. In a normal state, the loading spring 2 applies a force to the mounting shaft of the lubricating oil pump in a direction away from the spline shaft 1 under the action of the elasticity of the loading spring, so that the axial force of the lubricating oil pump is loaded. When the epaxial loading force of installation at the lubricating oil pump is applyed in needs regulation, the staff can directly drive subassembly 4 and slide in spout 12 in the external operation, can drive sliding block 3 and slide in mounting groove 11, sliding block 3 will promote loading spring 2 and slide to the oil pump installation axle place direction, thereby change loading spring 2 and apply the epaxial power of installation at the lubricating oil pump, the realization is adjusted the loading force of applying on the lubricating oil pump, and need not to circulate and change loading spring 2, it is very convenient to adjust.
The driving assembly 4 includes a sliding ring 41 slidably connected to the spline shaft 1, the sliding ring 41 and the sliding block 3 are fixedly connected by a flat key 43, and the flat key 43 is located in the sliding groove 12. When the operator operates the sliding ring 41 to move along the length direction of the spline shaft 1, the flat key 43 is driven to slide in the sliding groove 12, so that the sliding block 3 is driven to slide in the mounting groove 11 through the flat key 43, and the loading force applied to the mounting shaft of the lubricating oil pump is adjusted.
Referring to fig. 1 and 2, in order to support the spline shaft 1, a housing 5 for supporting the spline shaft 1 is rotatably connected to the spline shaft 1 through a bearing, an elongated member 42 is provided on the sliding block 3, the elongated member 42 can increase the length of the sliding block 3, and an escape groove 51 for the elongated member 42 to pass through is provided in the housing 5. The length direction of the avoiding groove 51 is consistent with the length direction of the sliding groove 12, the working personnel can directly operate the lengthening piece 42 to slide in the avoiding groove 51 outside the shell 5, the sliding block 3 can be driven to slide in the mounting groove 11 through the sliding ring 41, and the adjustment is very convenient.
The extension member 42 includes a mounting ring 421 rotatably connected to the sliding ring 41 through a bearing, and a shift lever 422 fixedly connected to a side wall of the mounting ring 421, wherein an end of the shift lever 422 away from the mounting ring 421 extends out to expose the avoiding groove 51 to the outside. The operator directly operates the shift lever 422 outside the housing 5 to slide in the avoiding groove 51, and then the slide ring 41 drives the slide block 3 to slide in the mounting groove 11.
And the rotation of collar 421 and slip ring 41 is connected the setting for when the motor output shaft passes through spline shaft 1 and drives the installation axle rotation of lubricating oil pump, spline shaft 1 can not drive extension piece 42 and rotate, and at spline shaft 1 pivoted in-process, the staff also can directly drive sliding block 3 and slide in mounting groove 11 through extension piece 42 in the casing 5 outside, in order to realize exerting the regulation of loading force on the lubricating oil pump.
Meanwhile, in order to facilitate the staff to accurately measure and count the axial loading force applied to the mounting shaft of the lubricating oil pump, a pressure detection module 6 is fixedly connected to the portion, located outside the shell 5, of the shifting lever 422. Specifically, pressure sensor can be selected for pressure detection module 6, pressure sensor rigid coupling is in the one side that driving lever 422 kept away from loading spring 2, when application of force driving lever 422 moved to loading spring 2 direction, the staff can direct application of force pressure detection module 6, can drive driving lever 422 and be close to loading spring 2 direction through application of force pressure detection module 6, and because the power that is exerted on the epaxial power of lubricating oil pump installation and the power of exerting on sliding block 3 are equal at loading spring 2 both ends, so through detecting the power that loading spring 2 exerts on sliding block 3, the thrust that loading spring 2 exerts on driving lever 422 promptly, can detect out the epaxial loading force of exerting at the lubricating oil pump installation, the staff of being convenient for measures the epaxial loading force of exerting at the lubricating oil pump installation, so that statistics lubricating oil pump performance under different loading forces during the experiment.
Wherein, for the power of exerting on sliding block 3 symmetry more evenly, sliding block 3 slides more smoothly in mounting groove 11, drives subassembly 4 and can be provided with two sets ofly, and two sets ofly drive subassembly 4 and encircle 1 equidistant setting of integral key shaft circumference for it is located the both sides that sliding block 3 is relative to drive subassembly 4. Through two sets of drive subassemblies 4 of application of force simultaneously, two sets of drive subassemblies 4 can drive sliding block 3 simultaneously and slide in mounting groove 11 for sliding block 3 slides more smoothly.
Referring to fig. 3, in order to make it more convenient for the operator to slide the two sets of driving assemblies 4 together, a shifting lever pushing plate 7 is slidably connected to the housing 5, and the shifting lever pushing plate 7 is located on one side of the shifting lever 422 away from the loading spring 2. When the loading force applied to the installation shaft of the lubricating oil pump needs to be adjusted, a worker directly operates the driving lever pushing disc 7 to move towards the direction of the loading spring 2, the driving lever pushing disc 7 is abutted to the pressure detection modules 6 on the two groups of driving assemblies 4 and finally drives the sliding block 3 to move towards the direction of the loading spring 2 through the driving assemblies 4, and the two groups of driving assemblies 4 are driven to move simultaneously. Meanwhile, in order to avoid that the loading spring 2 pushes the shift lever pushing disc 7 to move in a direction away from the loading spring 2 under the action of the elastic force of the loading spring 2 after the shift lever pushing disc 7 is operated to drive the sliding block 3 to slide to a set loading force, so that the loading force exerted on the mounting shaft of the lubricating oil pump is changed, a fixing piece 8 for fixing the position of the shift lever pushing disc 7 on the shell 5 is arranged between the shell 5 and the shift lever pushing disc 7.
Specifically, a fixing ring 81 is fixedly connected to the outer wall of the housing 5, the fixing ring 81 is located on one side of the shifting lever pushing disc 7 away from the driving assembly 4, the fixing member 8 comprises an adjusting bolt 82 in threaded connection with the shifting lever pushing disc 7, and one end of the adjusting bolt 82 away from the loading spring 2 is abutted to the fixing ring 81. The shifting lever pushing plate 7 can be driven to slide on the shell 5 by screwing the adjusting bolt 82, and when the sliding block 3 slides in the mounting groove 11 to adjust the force exerted by the loading spring 2 on the lubricating oil pump mounting shaft to a desired value, the driving component 4 is clamped between the loading spring 2 and the adjusting bolt 82, so that the loading force exerted on the lubricating oil pump mounting shaft is fixed. When the force applied to the mounting shaft of the lubricating oil pump needs to be adjusted again, a worker can drive the shifting lever pushing disc 7 to slide along the length direction of the shell 5 by directly screwing the adjusting bolt 82, so that the loading force of the lubricating oil pump can be adjusted, and the adjustment is more convenient.
Referring to fig. 3, in order to make the shift lever pushing plate 7 slide more smoothly on the housing 5, a plurality of sets of guiding members 9 are disposed on the housing 5 to guide the sliding direction of the shift lever pushing plate 7, and the guiding members 9 may be disposed at equal intervals around the housing 5.
The guide 9 comprises two fixing blocks 91 fixed to the side walls of the housing 5 and a guide post 92 fixed between the two fixing blocks 91. The two fixing blocks 91 are respectively positioned at two sides of the driving lever pushing tray 7, and the guide post 92 is consistent with the axial direction of the spline shaft 1 and is in sliding fit with the driving lever pushing tray 7. When the adjusting bolt 82 is screwed to drive the shift lever pushing disc 7 to slide along the length direction of the shell 5, the shift lever pushing disc 7 slides along the length direction of the guide post 92, and the guide post 92 can guide the shift lever pushing disc 7, so that the shift lever pushing disc 7 slides more smoothly.
The application principle of the lubricating oil pump axial force loading device in the embodiment of the application is as follows: when the axial force loading needs to be carried out on the mounting shaft of the lubricating oil pump so as to measure the running performance of the lubricating oil pump under different loading forces. Can directly install loading spring 2 in mounting groove 11, loading spring 2 will give the installation axle of lubricating oil pump a power of keeping away from integral key shaft 1, realizes the loading to the lubricating oil pump axial force. Through the starter motor, the motor output shaft drives the lubricating oil pump to rotate through the spline shaft 1, when the loading force applied to the lubricating oil pump needs to be adjusted, a worker can directly screw the adjusting bolt 82, so that the shifting lever pushing disc 7 in threaded connection with the adjusting bolt 82 is driven to slide along the length direction of the shell 5, the shifting lever pushing disc 7 also drives the sliding block 3 to slide in the mounting groove 11 through the shifting lever 422, the mounting ring 421, the sliding ring 41 and the flat key 43, so as to extrude the loading spring 2 or release the elastic force of the loading spring 2, so that the force applied to the mounting shaft of the lubricating oil pump by the loading spring 2 is adjusted, and the adjustment of the loading force of the lubricating oil pump is realized. And in the adjusting process, the loading spring 2 does not need to be replaced, the motor does not need to be stopped, and the operation is more convenient. During adjustment, the pressure detection module 6 can detect the magnitude of the loading force in real time, and the test is more accurate.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a lubricating oil pump axial force loading device, is including installing spline shaft (1) between motor output shaft and lubricating oil pump installation axle, its characterized in that: a mounting groove (11) is formed in one end, facing the lubricating oil pump, of the spline shaft (1), a loading spring (2) and a sliding block (3) are connected in the mounting groove (11) in a sliding mode, the loading spring (2) is located between the sliding block (3) and the lubricating oil pump mounting shaft, a driving assembly (4) for driving the sliding block (3) to slide in the mounting groove (11) is arranged outside the spline shaft (1), and a sliding groove (12) for enabling the driving assembly (4) to slide is formed in the side wall of the spline shaft (1); the driving component (4) comprises a sliding ring (41) which is connected to the spline shaft (1) in a sliding mode, and the sliding ring (41) is fixedly connected with the sliding block (3) to drive the sliding block (3) to slide; rotate on integral key shaft (1) and be connected with casing (5) that support spline shaft (1), drive subassembly (4) still including setting up extension piece (42) on slip ring (41), seted up the confession on casing (5) the groove of dodging (51) that extension piece (42) passed.
2. The axial force loading device of a lubricating oil pump as set forth in claim 1, wherein: the lengthening piece (42) comprises a mounting ring (421) arranged on the sliding ring (41) and a shifting rod (422) fixedly connected to the side wall of the mounting ring (421), and one end of the shifting rod (422) far away from the mounting ring (421) extends out of the avoiding groove (51) and is exposed to the outside.
3. The axial force loading device of a lubricating oil pump as set forth in claim 2, wherein: the mounting ring (421) is rotatably connected with the sliding ring (41).
4. The axial force loading device of a lubricating oil pump as set forth in claim 1, wherein: the extension piece (42) is located one end of the outer portion of the shell (5) is fixedly connected with a pressure detection module (6), and the pressure detection module (6) is located on one side, away from the loading spring (2), of the extension piece (42).
5. The axial force loading device of a lubricating oil pump according to any one of claims 1 to 4, characterized in that: the driving assemblies (4) are arranged in two groups, and the driving assemblies (4) are arranged around the spline shaft (1) at intervals.
6. The axial force loading device of a lubricating oil pump according to claim 5, characterized in that: the shifting rod pushing disc (7) is connected to the shell (5) in a sliding mode and drives the two sets of driving assemblies (4) to move along the length direction of the spline shaft (1), the shifting rod pushing disc (7) is located on one side, away from the loading spring (2), of the driving assemblies (4), and a fixing piece (8) for fixing the shifting rod pushing disc (7) on the shell (5) is arranged between the shifting rod pushing disc (7) and the shell (5).
7. The axial force loading device of a lubricating oil pump as set forth in claim 6, wherein: the fixed ring (81) is fixedly connected to the outer wall of the shell (5), the fixed ring (81) is located on one side, away from the loading spring (2), of the shifting lever pushing disc (7), the fixing piece (8) comprises an adjusting bolt (82) in threaded connection with the shifting lever pushing disc (7), and one end of the adjusting bolt (82) is abutted to the fixed ring (81).
8. The axial force loading device of a lubricating oil pump as set forth in claim 7, wherein: and a guide piece (9) for guiding the sliding direction of the shifting lever pushing disc (7) is arranged on the shell (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111073562.5A CN113819047B (en) | 2021-09-14 | 2021-09-14 | Axial force loading device of lubricating oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111073562.5A CN113819047B (en) | 2021-09-14 | 2021-09-14 | Axial force loading device of lubricating oil pump |
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| Publication Number | Publication Date |
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| CN113819047A CN113819047A (en) | 2021-12-21 |
| CN113819047B true CN113819047B (en) | 2022-05-06 |
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| CN202111073562.5A Active CN113819047B (en) | 2021-09-14 | 2021-09-14 | Axial force loading device of lubricating oil pump |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001271761A (en) * | 2001-02-13 | 2001-10-05 | Kichinosuke Yamamoto | Pump effective power deciding method and pump effective power testing method |
| DE10121615A1 (en) * | 2001-05-03 | 2002-11-07 | Viktor Otte | Elastic yield and spring constant determination for an assembly of components connected together by one or more connection elements by application of loads to the components joined together |
| CN104880308B (en) * | 2015-05-27 | 2017-11-28 | 西安交通大学 | A kind of main shaft axial force isostatic pressed loading device |
| CN106644349B (en) * | 2017-03-07 | 2020-06-30 | 山东科技大学 | Multifunctional impact experiment platform capable of continuously applying axial force and experiment method |
| CN207516030U (en) * | 2017-10-13 | 2018-06-19 | 人本集团有限公司 | The detection device of hub bearing of truck |
| CN213779482U (en) * | 2021-01-06 | 2021-07-23 | 库卡机器人(广东)有限公司 | Ball spline lead screw testing device |
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