CN117007310A - Shafting radial loading device - Google Patents
Shafting radial loading device Download PDFInfo
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- CN117007310A CN117007310A CN202210474237.8A CN202210474237A CN117007310A CN 117007310 A CN117007310 A CN 117007310A CN 202210474237 A CN202210474237 A CN 202210474237A CN 117007310 A CN117007310 A CN 117007310A
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- 230000007246 mechanism Effects 0.000 claims abstract description 51
- 238000012360 testing method Methods 0.000 claims abstract description 27
- 230000003068 static effect Effects 0.000 claims abstract description 24
- 230000001133 acceleration Effects 0.000 claims description 9
- 238000003825 pressing Methods 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 230000008602 contraction Effects 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 8
- 230000000712 assembly Effects 0.000 description 7
- 238000000429 assembly Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/025—Test-benches with rotational drive means and loading means; Load or drive simulation
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention relates to a shafting radial loading device; the technical problems that the prior art only tests the shaft system and directly or indirectly contacts with the bearing through the expansion and contraction of a hydraulic cylinder or a screw rod and the like, and the collected test signals are interfered are solved; the device comprises a radial loading mechanism, a shafting rotating mechanism, a static pressure air bearing, a data acquisition module and an industrial personal computer, wherein the radial loading mechanism comprises a support and a loading assembly arranged on the support, the loading assembly is used for providing radial loading load for a tested shafting, the loading assembly is connected with the side face of a bearing bush of the static pressure air bearing, air inlets on two sides of the bearing bush are connected with external air inlet equipment, the shafting rotating mechanism is arranged at the lower end of the static pressure air bearing, the data acquisition module is arranged on one side of the tested shafting and used for acquiring temperature and vibration characteristics of the tested shafting during testing, and the industrial personal computer is arranged on one side of the radial loading mechanism and is electrically connected with the loading assembly, the shafting rotating mechanism and the data acquisition module.
Description
Technical Field
The invention relates to a shafting performance testing device, in particular to a shafting radial loading device.
Background
With the rapid development of high quality of high-end manufacturing industry, the requirements on the shafting performance of a precise bearing are more and more severe; for devices with rotating mechanisms, such as precision machine tools, satellites, large medical instruments, etc., the performance is greatly affected by the shafting used. In order to make the equipment run to meet the requirement of service performance, the failure rate is reduced, and a large number of tests are required to be carried out on the shafting before mass production.
The conventional test method is to test only the bearing, neglecting the influence of the shaft and the bearing seat on the shaft system, so that the obtained test result is different from the actual product state to a certain extent, and the conventional radial load is applied by directly or indirectly contacting the bearing through the expansion and contraction of a hydraulic cylinder or a screw rod and the like, so that redundant constraint is applied to the bearing, and the collected test signal is interfered.
Disclosure of Invention
The invention aims to solve the technical problems that the existing shafting testing method only has a certain difference between the result of bearing testing and the actual state, and the existing shafting testing method directly or indirectly contacts with a bearing through the expansion and contraction of a hydraulic cylinder or a screw rod and the like, so that the collected testing signals are interfered, and provides a shafting radial loading device.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the radial loading device of the shafting is characterized in that:
the device comprises a radial loading mechanism, a shafting rotating mechanism, a static pressure air bearing, a data acquisition module and an industrial personal computer;
the radial loading mechanism comprises a support and a loading assembly arranged on the support;
the loading assembly is used for providing radial loading load for the shafting to be tested;
the loading assembly is connected with the side surface, close to the radial loading mechanism, of the bearing bush of the static pressure air bearing;
the air inlets on two sides of the bearing bush are connected with external air inlet equipment;
the shafting rotating mechanism is used for installing a shafting to be tested and driving the shafting to be tested to rotate;
the data acquisition module is used for acquiring the temperature and vibration characteristics of the tested shafting during testing;
the industrial personal computer is arranged on one side of the radial loading mechanism, is electrically connected with the loading assembly, the shafting rotating mechanism and the data acquisition module, and is used for controlling the loading assembly, the shafting rotating mechanism and the data acquisition module to operate and displaying the data acquired by the data acquisition module; through setting up static pressure air bearing between radial loading mechanism and the shafting that is surveyed, both can realize radial load's transmission, can make radial loading mechanism not contact with the shafting that is surveyed again, prevent to the test signal that gathers cause the interference.
Further, the loading assembly comprises a pulling and pressing sensor, a first motor, a radial screw rod, a limiting piece and a screw rod jacking block;
one end of the tension and compression sensor is arranged on the support, and the other end of the tension and compression sensor is connected with the first motor;
one end of the radial screw rod is coaxially connected with the output shaft of the first motor, and the other end of the radial screw rod is connected with the screw rod jacking block;
the lead screw ejector block is connected with the side surface of the bearing bush, which is close to the radial loading mechanism, and the loading assembly adopts a power transmission mode of a first motor and a radial lead screw for the purpose of: firstly, stability is good, secondly, the torque of a measured shaft system can be indirectly obtained by measuring the current flowing through the first motor, and the simplification of torque measurement is realized;
the limiting piece is arranged on the support and connected with the bearing bush and used for fixing the bearing bush and limiting the position of the bearing bush;
and the pulling and pressing sensor and the first motor are electrically connected with the industrial control computer.
Further, the limiting piece comprises two radial guide rods positioned at two sides of the radial lead screw respectively and radial sliding blocks positioned on each radial guide rod;
the radial guide rod is parallel to the radial lead screw;
the two radial guide rods are arranged on the support;
the radial sliding blocks slide on the radial guide rods, and the two radial sliding blocks are respectively connected with two sides of the static pressure air bearing bush.
Further, the shafting rotating mechanism comprises a base, a driving piece and a driving adapter flange;
the base is arranged below the static pressure air bearing;
the driving piece is arranged in the base, the power output end of the driving piece is connected with the lower end of the driving adapter flange, and the upper end of the driving adapter flange is used for being connected with a shaft of a shaft system to be tested;
the upper end of the base is used for installing a bearing seat of a shaft system to be tested;
the tested shaft system is arranged on the base.
Further, the driving piece comprises a second motor, a driving gear and a driven gear;
the second motor is arranged in the base, and the axis of the driving shaft of the second motor is vertically arranged;
the driving gear is coaxially connected with the driving shaft;
the driven gear is meshed with the driving gear and is coaxially arranged with the base;
the driving adapter flange is coaxially connected with the driven gear;
the second motor is electrically connected with the industrial control computer.
Further, the data acquisition module comprises a temperature sensor for acquiring the temperature of the shafting to be measured and an acceleration sensor for acquiring the vibration characteristic of the shafting to be measured;
the temperature sensor and the acceleration sensor are arranged on the detected shaft system and are electrically connected with the industrial personal computer;
the industrial personal computer is used for collecting and displaying data measured by the temperature sensor and the acceleration sensor.
Further, in order to change the load loading position of the tested shafting, carrying out multiple groups of tests on different positions of the tested shafting, and further arranging a vertical moving mechanism;
the vertical moving mechanism comprises a third motor, an axial lead screw, an axial coupler, an axial guide rail and an axial sliding table;
the axial guide rail is vertically arranged on the support;
the axial sliding table is sleeved and connected on the axial guide rail;
the third motor is arranged on the support, one end of the axial lead screw is connected with an output shaft of the third motor through an axial coupler, and the other end of the axial lead screw penetrates through the axial sliding table and is used for driving the axial sliding table to slide along the axial guide rail;
the pulling and pressing sensor is connected with the axial sliding table;
the two radial guide rods are arranged on the axial sliding table;
the third motor is electrically connected with the industrial control computer, and the lead screw is preferably a ball screw, so that the device has the advantages of high transmission efficiency, high transmission precision, stable motion, small friction force, long service life and the like.
Furthermore, the driving gear and the driven gear are straight gears, and the driving gear and the driven gear are set to be straight gears, so that additional axial force can be further prevented from being generated on the shafting, and the accuracy of the shafting measurement result is ensured.
Further, in order to prevent the axial sliding block from sliding out of the axial guide rail or the axial lead screw, a limiting plate is arranged at the upper end of the axial guide rail and/or the upper end of the axial lead screw, so that the running stability of the axial sliding block can be improved.
Further, in order to ensure the running stability of the axial sliding block, the number of the axial guide rails is two, and the axial guide rails are respectively arranged at two sides of the axial sliding block;
in order to reduce the weight of the whole device, the material cost is saved, and a plurality of notches are formed in the axial sliding table on the premise of ensuring the stable operation of the axial sliding table.
The beneficial effects of the invention are as follows:
1. according to the shafting radial loading device, the shafting rotating mechanism is used for driving the rotation of the shafting to be tested, so that the running state of the shafting to be tested can be simulated when radial loading is carried out, and the measured shafting data are more accurate;
the radial loading mechanism can be used for loading the radial load of the shafting to be tested;
through the static pressure air bearing that sets up, both can realize radial load's transmission, can avoid loading assembly and the direct contact of being surveyed the shafting again, prevent that loading assembly from applys unnecessary restraint to being surveyed the shafting to cause the interference to the test signal of gathering, guarantee the reliability and the accuracy of measured data.
2. According to the shafting radial loading device provided by the invention, through the static pressure air bearing, the heat dissipation on the shafting to be measured is closer to that in actual operation, and the reliability and accuracy of the measured data are further ensured.
3. According to the shafting radial loading device, the load loading positions of the shafting to be tested can be changed through the vertical moving mechanism, multiple groups of tests are performed, automatic control is achieved, simplicity and convenience are achieved, and the testing efficiency is high.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic diagram of a radial loading mechanism and vertical movement mechanism embodiment of the present invention;
FIG. 3 is a schematic view of an embodiment of a shafting rotation mechanism according to the present invention;
FIG. 4 is a schematic diagram of an embodiment of a hydrostatic air bearing of the present invention;
FIG. 5 is a schematic diagram of the structure of the shaft system to be tested;
in the figure, 1, a radial loading mechanism; 11. a support; 17. a pull-press sensor; 18. a first motor; 19. radial lead screw; 110. loading a coupling; 111. a screw rod ejector block; 112. radial guide rods; 113. a radial slide block; 12. a third motor; 13. an axial lead screw; 14. an axial coupling; 15. an axial guide rail; 16. an axial sliding table; 2. a shafting rotating mechanism; 21. a base; 22. a second motor; 23. a drive gear; 24. a driven gear; 25. driving the adapter flange; 3. static pressure air bearing; 31. a rotating shaft; 32. bearing bush; 4. a shafting; 41. a bearing seat; 42. a shaft; 43. a pair of bearing assemblies; 5. and the industrial personal computer.
Detailed Description
To make the objects, advantages and features of the present invention more apparent, a shafting radial loading device according to the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The device with a rotating mechanism is characterized in that the structure of a shaft system 4 is shown in fig. 5, and the device specifically comprises a bearing seat 41, a shaft 42 and a pair of bearing assemblies 43;
the concrete connection mode is as follows:
the upper and lower parts outside the shaft 42 are provided with positioning surfaces, the end surfaces of the paired bearing assemblies 43 are used as positioning surfaces, two positioning surfaces are arranged inside the lower end of the bearing seat 41, and one positioning surface is arranged inside the upper end.
The paired bearing assemblies 43 are arranged inside the bearing seat 41, the upper end surfaces and the lower end surfaces of the paired bearing assemblies 43 are attached to the upper positioning surfaces and the lower positioning surfaces of the bearing seat 41, one end of the shaft 42 sequentially penetrates through the bearing seat 41 and the paired bearing assemblies 43, the positioning surface at the lower part of the shaft 42 is attached to the other positioning surface at the lower end of the bearing seat 41, and the positioning surface at the upper part of the shaft 42 is attached to the upper end surfaces of the paired bearing assemblies 43, so that the assembly of the shaft system 4 to be tested is completed.
The invention relates to a shafting radial loading device which is used for testing shafting 4 in the running state, so that the performance of the shafting 4 is judged according to the obtained related data.
As shown in fig. 1, the device specifically comprises a radial loading mechanism 1, a shafting rotating mechanism 2, a static pressure air bearing 3, a vertical moving mechanism, a data acquisition module and an industrial personal computer 5;
the functions of the mechanisms are as follows:
the shafting rotating mechanism 2 is used for driving the rotation of the shafting 4 to be tested, so that the running state of the shafting 4 to be tested can be simulated when radial loading is carried out, and the measured data of the shafting 4 are more accurate; the radial loading mechanism 1 can realize loading of radial load of the shafting 4 to be tested; the static pressure air bearing 3 has the effects that radial load transmission can be realized, direct contact between the loading assembly and the tested shaft system 4 can be avoided, redundant constraint on the tested shaft system 4 by the loading assembly is prevented, interference is caused on the acquired test signal, and the reliability and accuracy of the measured data are ensured; the vertical moving mechanism is used for changing the load loading position of the tested shaft system 4 according to test requirements and realizing automatic control.
As shown in fig. 4, the working principle of the static pressure air bearing 3 is that a workpiece is supported by an air film generated by throttling high-pressure air, so that a rotating shaft 31 of the static pressure air bearing 3 and a bearing bush 32 are not contacted in use, and load transmission can be realized.
The specific composition of each component is as follows:
as shown in fig. 2, the radial loading mechanism 1 comprises a support 11 and a loading assembly, wherein the loading assembly comprises a tension and compression sensor 17, a first motor 18, a radial screw 19, a loading coupler 110, a screw top block 111, two radial guide rods 112 and two radial sliding blocks 113; the support 11 comprises a base arranged horizontally, a U-shaped frame arranged vertically and provided with an upward opening, and a support plate arranged on the U-shaped frame; the screw rod top block 111 comprises a sleeve and a fixed plate, and a thread line matched with the radial screw rod 19 is arranged inside one end of the sleeve connected with the screw rod top block 111.
The sleeve is preferably of a telescopic structure, so that the installation accuracy of the horizontal positions of the base 21 and the screw top block 111 can be reduced, and the length and the position of the screw top block 111 are fixed after the screw top block 111 and the bearing bush 32 are installed.
As shown in fig. 3, the shafting rotation mechanism 2 comprises a base 21, a second motor 22, a driving gear 23, a driven gear 24 and a drive adapter flange 25;
the vertical moving mechanism comprises a third motor 12, an axial lead screw 13, an axial coupler 14, an axial guide rail 15, an axial sliding table 16 and a limiting plate;
the data acquisition module comprises a temperature sensor and an acceleration sensor.
The connection mode of each component is as follows:
the U-shaped frame is arranged on the base, the third motor 12 is arranged on the supporting plate, the axis of the output shaft of the third motor 12 is vertically arranged, the output shaft of the third motor 12 is coaxially connected with the axial screw rod 13 through the axial coupler 14, the axial sliding table 16 is sleeved and in threaded connection with the axial screw rod 13, the two axial guide rails 15 are vertically arranged, the lower ends of the two axial guide rails pass through the axial sliding table 16 and then are arranged on the supporting plate, the upper ends of the two axial guide rails are connected through the limiting plate, the pull pressure sensor 17 is horizontally arranged, one end of the pull pressure sensor is connected with the axial sliding table 16, the other end of the pull pressure sensor is connected with the first motor 18, the output end of the first motor 18 is connected with one end of the radial screw rod 19 through the loading coupler 110, the other end screw rod jacking block 111 of the radial screw rod 19 is connected with the two radial guide rods 112, the two radial guide rods 112 are arranged on two sides of the first motor 18, one end of the axial sliding table 16 is connected with the two radial sliding blocks 113, the two radial sliding blocks 113 are one by one arranged on the radial guide rods 112, the two radial sliding blocks 113 can slide on the radial sliding rods 112, and the two radial sliding blocks 113 are respectively arranged on two sides of the bearing bushes 32 of the static pressure air bearing 3.
The base 21 is installed on the base, and is provided with the cavity in its inside, and the through-hole that supplies axle 42 in the shafting 4 and driven gear 24 to pass is seted up to the upper end, and the base 21 sets up in radial guide arm 112 lower part, and the second motor 22 is installed in the base 21 inside, and the vertical setting of axis of second motor 22 output shaft, and the output shaft and the driving gear 23 coaxial of second motor 22 link firmly, and driven gear 24 and driving gear 23 meshing drive transfer flange 25 is connected with driven gear 24.
The temperature sensor and the acceleration sensor are both arranged on a bearing seat 41 (not shown in the figure) of the shafting 4 to be measured, and are both electrically connected with the industrial personal computer 5;
the driving adapter flange 25 with different lengths can be selected according to different test shafting 4, so that the driving gear 23 and the driven gear 24 can be well meshed; the drive gear 23 and the driven gear 24 are allowed to be axially offset, and power transmission can be realized as long as the offset is not 100%.
The driving gear 23 and the driven gear 24 are straight gears, and do not generate additional axial force on the shafting 4 to be tested.
The acceleration sensor is arranged to feed back the vibration characteristic of the shaft system 4 to be tested, so that whether the running state of the shaft system 4 is normal or not can be judged.
Device assembly before shafting 4 test:
the lower end of a shaft 42 of the shafting to be tested 4 is coaxially connected with the driving adapter flange 25, the upper end of the shaft 42 is coaxially connected with the rotating shaft 31 of the static pressure air bearing 3, and the driven gear 24 is meshed with the driving gear 23 after passing through the through hole; then the lower end of the bearing seat 43 of the shafting 4 to be tested is connected with the upper end of the base 21, the installation of the shafting 4 to be tested is completed, the bearing bush 32 is sleeved on the rotating shaft 31, the radial sliding block 113 is fixed on the bearing bush 32, finally high-pressure air is introduced into the static pressure air bearing 3 through the air inlet hole on the bearing bush 32, and the position of the screw rod top block 111 is adjusted to enable the screw rod top block to be just installed on the bearing bush 32.
The loading device works as follows:
before the test, each part is installed in place according to the implementation requirement, and the change of the radial unbalanced load moment of the tested shafting 4, the radial load or the radial load direction and the rotating speed of the tested shafting 4 are input into the industrial personal computer 5.
During the test, high-pressure gas is firstly introduced into the static pressure air bearing 3, the first motor 18 and the third motor 12 start to adjust when receiving a load instruction sent by the industrial personal computer 5, at the moment, the third motor 12 can drive all parts on the axial sliding table 16 to move along the axial direction of the tested shaft system 4, and meanwhile, the radial guide rod 112 drives the bearing bush 32 to move to a designated position along the axial direction; the first motor 18 rotates to drive the screw rod top block 111 to advance or retreat, applies pressure or tensile force to the bearing bush 32, and finally transmits force to the tested shaft system 4, and the radial guide rod 112 only plays an auxiliary and guiding role in the process, so that the bearing bush 32 is not influenced. The load process draws the reaction force that the pressure sensor 17 can gather first motor 18 and receives, transmits information to industrial computer 5, and industrial computer 5 gives first motor 18 and sends feedback signal, forms the closed loop, makes the load reach the requirement.
In the test, the tested shaft system 4 is always not contacted with an external loading assembly, and the information acquired on the tested shaft system 4 reflects the actual working state of the shaft system 4 more truly.
Claims (10)
1. The utility model provides a radial loading device of shafting which characterized in that:
the device comprises a radial loading mechanism (1), a shafting rotating mechanism (2), a static pressure air bearing (3), a data acquisition module and an industrial personal computer (5);
the radial loading mechanism (1) comprises a support (11) and a loading assembly arranged on the support (11);
the loading assembly is used for providing radial loading load for the shafting to be tested (4);
the loading assembly is connected with the side surface, close to the radial loading mechanism (1), of the bearing bush (32) of the static pressure air bearing (3);
the air inlets at two sides of the bearing bush (32) are connected with external air inlet equipment;
the shafting rotating mechanism (2) is arranged at the lower end of the static pressure air bearing (3) and is used for installing a shafting to be tested (4) and driving the shafting to be tested (4) to rotate;
the data acquisition module is used for acquiring the temperature and vibration characteristics of the tested shafting (4) during testing;
the industrial personal computer (5) is electrically connected with the loading assembly, the shafting rotating mechanism (2) and the data acquisition module and is used for controlling the loading assembly, the shafting rotating mechanism (2) and the data acquisition module to operate and displaying the data acquired by the data acquisition module.
2. A shafting radial loading device as set forth in claim 1, wherein:
the loading assembly comprises a pulling and pressing sensor (17), a first motor (18), a radial screw (19), a limiting piece and a screw top block (111);
one end of the tension and compression sensor (17) is arranged on the support (11), and the other end of the tension and compression sensor is connected with the first motor (18);
one end of the radial screw rod (19) is coaxially connected with the output shaft of the first motor (18), and the other end of the radial screw rod is connected with the screw rod jacking block (111);
the screw rod top block (111) is connected with the side surface of the bearing bush (32) close to the radial loading mechanism (1);
the limiting piece is arranged on the support (11) and is connected with the bearing bush (32);
the pulling and pressing sensor (17) and the first motor (18) are electrically connected with the industrial personal computer (5).
3. A shafting radial loading device as set forth in claim 2, wherein:
the limiting piece comprises two radial guide rods (112) which are respectively positioned at two sides of the radial lead screw (19), and radial sliding blocks (113) which are positioned on each radial guide rod (112);
the radial guide rod (112) is parallel to the radial screw rod (19);
both radial guide rods (112) are mounted on the support (11);
the radial sliding blocks (113) slide on the radial guide rods (112), and the two radial sliding blocks (113) are respectively connected with two sides of the bearing bush (32) of the static pressure air bearing (3).
4. A shafting radial loading device as set forth in claim 3, wherein:
the shafting rotating mechanism (2) comprises a base (21), a driving piece and a driving adapter flange (25);
the base (21) is arranged below the static pressure air bearing (3);
the driving piece is arranged in the base (21), the power output end of the driving piece is connected with the lower end of the driving adapter flange (25), and the upper end of the driving adapter flange (25) is used for being connected with a shaft (42) of the shaft system (4) to be tested;
the upper end of the base (21) is used for installing a bearing seat (41) of the tested shafting (4).
5. A shafting radial loading device as set forth in claim 4, wherein:
the driving piece comprises a second motor (22), a driving gear (23) and a driven gear (24);
the second motor (22) is arranged in the base (21), and the axis of a driving shaft of the second motor (22) is vertically arranged;
the driving gear (23) is coaxially connected with the driving shaft;
the driven gear (24) is meshed with the driving gear (23) and is coaxially arranged with the base (21);
the drive adapter flange (25) is coaxially connected with the driven gear (24);
the second motor (22) is electrically connected with the industrial personal computer (5).
6. A shafting radial loading device as set forth in claim 5, wherein:
the data acquisition module comprises a temperature sensor for acquiring the temperature of the shaft system (4) to be measured and an acceleration sensor for acquiring the vibration characteristic of the shaft system (4) to be measured;
the temperature sensor and the acceleration sensor are arranged on the detected shaft system (4) and are electrically connected with the industrial personal computer (5);
the industrial personal computer (5) is used for collecting and displaying data measured by the temperature sensor and the acceleration sensor.
7. A shafting radial loading device according to any one of claims 1-6, wherein:
the device also comprises a vertical moving mechanism;
the vertical moving mechanism comprises a third motor (12), an axial lead screw (13), an axial coupler (14), an axial guide rail (15) and an axial sliding table (16);
the axial guide rail (15) is vertically arranged on the support (11);
the axial sliding table (16) is sleeved and connected to the axial guide rail (15);
the third motor (12) is arranged on the support (11), one end of the axial lead screw (13) is connected with an output shaft of the third motor (12) through an axial coupler (14), and the other end of the axial lead screw penetrates through the axial sliding table (16) and is used for driving the axial sliding table (16) to slide along the axial guide rail (15);
the pulling and pressing sensor (17) is connected with the axial sliding table (16); the two radial guide rods (112) are arranged on the axial sliding table (16);
the third motor (12) is electrically connected with the industrial personal computer (5).
8. A shafting radial loading device as set forth in claim 7, wherein:
the driving gear (23) and the driven gear (24) are straight gears.
9. A shafting radial loading device in accordance with claim 8, wherein:
and a limiting plate is arranged at the upper end of the axial guide rail (15) and/or the axial lead screw (13).
10. A shafting radial loading device in accordance with claim 9, wherein:
the number of the axial guide rails (15) is two;
the axial sliding table (16) is provided with a plurality of notches.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202210474237.8A CN117007310A (en) | 2022-04-29 | 2022-04-29 | Shafting radial loading device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202210474237.8A CN117007310A (en) | 2022-04-29 | 2022-04-29 | Shafting radial loading device |
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CN117007310A true CN117007310A (en) | 2023-11-07 |
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CN202210474237.8A Pending CN117007310A (en) | 2022-04-29 | 2022-04-29 | Shafting radial loading device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117490952A (en) * | 2024-01-02 | 2024-02-02 | 迈为技术(珠海)有限公司 | Air bearing rigidity testing device |
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2022
- 2022-04-29 CN CN202210474237.8A patent/CN117007310A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117490952A (en) * | 2024-01-02 | 2024-02-02 | 迈为技术(珠海)有限公司 | Air bearing rigidity testing device |
CN117490952B (en) * | 2024-01-02 | 2024-04-12 | 迈为技术(珠海)有限公司 | Air bearing rigidity testing device |
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