CN217276772U

CN217276772U - Test bed for vibration test of rotor bearing

Info

Publication number: CN217276772U
Application number: CN202220134062.1U
Authority: CN
Inventors: 李雪; 赵莲晋; 周明雨; 刘明薇
Original assignee: Jiaxing University
Current assignee: Jiaxing University
Priority date: 2022-01-19
Filing date: 2022-01-19
Publication date: 2022-08-23
Anticipated expiration: 2032-01-19

Abstract

The utility model discloses a rotor bearing vibration test bench relates to rotor vibration test bench technical field, for solving current rotor bearing vibration test bench, can't accomplish to make corresponding centre gripping adjustment according to the diameter size of testee, leads to the problem that general usefulness is low. The up end of test bench main part is provided with the fixed pole of second hydraulic pressure, and the one end of the fixed pole of second hydraulic pressure runs through and extends to the inside of test bench main part, the both sides of the fixed pole of second hydraulic pressure all are provided with first hydraulic pressure dead lever, and first hydraulic pressure dead lever is provided with two, two the inside that the one end of first hydraulic pressure dead lever all runs through and extends to the test bench main part, two the other end of first hydraulic pressure dead lever is provided with first hydraulic telescoping rod, and first hydraulic telescoping rod is provided with two, two the up end of first hydraulic telescoping rod is provided with the pole of snatching, and snatchs the pole and be provided with four.

Description

Test bed for vibration test of rotor bearing

Technical Field

The utility model relates to a rotor vibration test bench technical field specifically is a rotor bearing vibration test bench.

Background

Among the traditional device, 201821238176.0 is named as an adjustable rotor vibration test bench as if application number, the device includes guide rail slip table, track slide, height adjustment mounting panel, bearing frame, sensor mounting base and inverter motor, the bearing frame is provided with two at least, and there is a height adjustment mounting panel bottom bearing frame, sensor mounting base and inverter motor through bolted connection respectively, the top of guide rail slip table is provided with the slide rail, the track slide is located the upper portion of guide rail slip table and can freely adjust along slide rail length direction through the spout that sets up in the track slide bottom, and the middle part of guide rail slip table is provided with the elongated slot along its length direction, be provided with a locking fixed plate in the elongated slot, the track slide passes through the bolt and is connected with the locking fixed plate, the height adjustment mounting panel passes through the bolt locking and fixes in the upper portion of track slide, the utility model discloses can test alone the rotor, can carry out the regulation of supporting position and height to different rotors simultaneously.

The existing rotor bearing vibration test bench cannot perform corresponding clamping adjustment according to the diameter of a measured object, so that the problem of low universality is caused.

Therefore, we propose a test bed for vibration testing of a rotor bearing so as to solve the problems set forth above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rotor bearing vibration test is with test bench to solve the current rotor bearing vibration test platform that proposes in the above-mentioned background art, can't accomplish to make corresponding centre gripping adjustment according to the diameter size of testee, lead to the problem that general usefulness is low.

In order to achieve the above object, the utility model provides a following technical scheme: a test bed for vibration tests of rotor bearings comprises a test bed main body, wherein a second hydraulic fixing rod is arranged on the upper end face of the test bed main body, one end of the second hydraulic fixing rod penetrates through and extends into the test bed main body, two first hydraulic fixing rods are arranged on two sides of the second hydraulic fixing rod, two first hydraulic fixing rods are arranged, one end of each first hydraulic fixing rod penetrates through and extends into the test bed main body, a first hydraulic telescopic rod is arranged at the other end of each first hydraulic fixing rod, two first hydraulic telescopic rods are arranged, a grabbing rod is arranged on the upper end face of each first hydraulic telescopic rod, four grabbing rods are arranged, the four grabbing rods are rotatably connected with the upper end face of each first hydraulic telescopic rod through rotating shaft bodies, and the rotating shaft bodies are provided with four rotating shaft bodies, four the inner wall of grabbing the pole all is provided with sealing rubber pad, and sealing rubber pad is provided with four, four sealing rubber pad all with the inner wall hot melt connection who snatchs the pole.

Preferably, the up end of second hydraulic pressure fixed rod is provided with the second hydraulic pressure telescopic rod, and the one end of second hydraulic pressure telescopic rod runs through and extends to the inside of second hydraulic pressure fixed rod, the both sides of second hydraulic pressure telescopic rod all are provided with vibration mechanism, and vibration mechanism is provided with two.

Preferably, two one side of first hydraulic pressure dead lever all is provided with the fixed block, and the fixed block is provided with two, two the fixed block all with test bench main part fixed connection, two the inboard of fixed block is provided with buffer gear, and buffer gear is provided with two.

Preferably, two buffer gear's inside all is provided with interior cavity, the inside of interior cavity is provided with damping rod mechanism, and damping rod mechanism is provided with six, six one side of damping rod mechanism is provided with buffer spring, buffer spring and damping rod mechanism all with buffer gear inner wall fixed connection.

Preferably, the up end of test bench main part front side is provided with operating panel, operating panel is through first hex bolts and test bench main part threaded connection, and just first hex bolts is provided with four, operating panel's inside is provided with the display screen, one side of display screen is provided with the operation piece, and one side of operation piece is provided with a plurality of.

Preferably, the one end of test bench main part is provided with overhauls the baffle, it passes through second hex bolts and test bench main part threaded connection to overhaul the baffle, and second hex bolts is provided with four, the inside of overhauing the baffle is provided with the heat dissipation hole groove, and the heat dissipation hole groove is provided with nine.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a pole snatchs that sets up, rotatory axis body, first hydraulic telescoping rod and second hydraulic telescoping rod, the pole that snatchs that sets up and rotatory axis body can carry out corresponding adjustment according to rotor bearing's diameter, thereby at the in-process of device test, it has stronger frictional force with the measured object spare to remain throughout, and the setting of first hydraulic telescoping rod and second hydraulic telescoping rod, can carry out high regulation, avoid current rotor bearing vibration testboard, can't accomplish to make corresponding centre gripping adjustment according to the diameter size of measured object, lead to the problem that the universality is low.

2. Through the damping rod mechanism and the buffer spring which are arranged in the buffer mechanism, after the test operation of the device is finished, the vibration can be weakened to the maximum extent through the damping rod mechanism and the buffer spring, so that the working efficiency during the operation can be improved in a variable direction.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a partial structure of the grabbing bar of the present invention;

FIG. 3 is a schematic view of the internal structure of the buffering mechanism of the present invention;

in the figure: 1. a test stand main body; 2. an operation panel; 3. a first hexagon bolt; 4. a fixed block; 5. a buffer mechanism; 6. a first hydraulic fixing rod; 7. a first hydraulic telescopic rod; 8. grabbing a rod; 9. a rotating shaft body; 10. a second hydraulic fixing rod; 11. a second hydraulic telescopic rod; 12. a vibration mechanism; 13. a display screen; 14. an operation block; 15. a maintenance baffle; 16. a second hexagon bolt; 17. a heat dissipation hole slot; 18. sealing the rubber pad; 19. an inner cavity; 20. a dampening bar mechanism; 21. a buffer spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, the present invention provides an embodiment: a test bed for vibration test of a rotor bearing comprises a test bed main body 1, wherein a second hydraulic fixing rod 10 is arranged on the upper end face of the test bed main body 1, one end of the second hydraulic fixing rod 10 penetrates through and extends into the test bed main body 1, two sides of the second hydraulic fixing rod 10 are respectively provided with a first hydraulic fixing rod 6, two first hydraulic fixing rods 6 are arranged, one ends of the two first hydraulic fixing rods 6 penetrate through and extend into the test bed main body 1, the other ends of the two first hydraulic fixing rods 6 are provided with two first hydraulic telescopic rods 7, the two first hydraulic telescopic rods 7 are provided with two grabbing rods 8, the grabbing rods 8 are four, the four grabbing rods 8 are respectively rotatably connected with the upper end face of the first hydraulic telescopic rod 7 through a rotary shaft body 9, and the rotary shaft body 9 is provided with four, and the inner wall of four grabbing rod 8 all is provided with sealing rubber pad 18, and sealing rubber pad 18 is provided with four, and four sealing rubber pads 18 all are connected with the inner wall hot melt of grabbing rod 8.

Further, the up end of second hydraulic pressure fixed rod 10 is provided with second hydraulic pressure telescopic rod 11, and the one end of second hydraulic pressure telescopic rod 11 runs through and extends to the inside of second hydraulic pressure fixed rod 10, and the both sides of second hydraulic pressure telescopic rod 11 all are provided with vibrations mechanism 12, and vibrations mechanism 12 is provided with two, and second hydraulic pressure telescopic rod 11 can carry out the adjustment of height.

Further, one side of two first hydraulic pressure dead levers 6 all is provided with fixed block 4, and fixed block 4 is provided with two, two fixed blocks 4 all with 1 fixed connection of test bench main part, the inboard of two fixed blocks 4 is provided with buffer gear 5, and buffer gear 5 is provided with two, and buffer gear 5 has firm fixed point by the setting of fixed block 4.

Further, the inside of two buffer gear 5 all is provided with interior cavity 19, and the inside of interior cavity 19 is provided with damping rod mechanism 20, and damping rod mechanism 20 is provided with six, and one side of six damping rod mechanisms 20 is provided with buffer spring 21, and buffer spring 21 and damping rod mechanism 20 all with buffer gear 5 inner wall fixed connection, and buffer spring 21 and damping rod mechanism 20's setting can be after the test, and the maximize that carries out the vibration weakens statically.

Further, the up end of 1 front side of test bench main part is provided with operating panel 2, operating panel 2 through first hex bolts 3 and 1 threaded connection of test bench main part, and first hex bolts 3 are provided with four, operating panel 2's inside is provided with display screen 13, one side of display screen 13 is provided with operation piece 14, and one side of operation piece 14 is provided with a plurality of, and the setting of display screen 13 can be with data visualization, the operation of being convenient for.

Further, one end of the test bed main body 1 is provided with an overhaul baffle 15, the overhaul baffle 15 is in threaded connection with the test bed main body 1 through a second hexagon bolt 16, the second hexagon bolt 16 is provided with four, the inside of the overhaul baffle 15 is provided with a heat dissipation hole groove 17, the heat dissipation hole groove 17 is provided with nine, and the heat dissipation hole groove 17 is arranged, so that the internal operation heat can be discharged.

The working principle is as follows: when the device is used, one end of a rotor bearing to be tested is arranged inside the vibration mechanism 12, the arranged grabbing rod 8 and the rotary shaft body 9 can be adjusted correspondingly according to the diameter of the rotor bearing, so that in the testing process of the device, a strong friction force is always kept between the grabbing rod and a tested object, the buffer mechanism 5 arranged on the fixed block 4 can weaken vibration after the testing is finished through the damping rod mechanism 20 and the buffer spring 21 inside the buffer mechanism 5.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a test bench for rotor bearing vibration test, includes test bench main part (1), its characterized in that: the upper end face of the test bench main body (1) is provided with a second hydraulic fixing rod (10), one end of the second hydraulic fixing rod (10) penetrates through and extends into the test bench main body (1), two first hydraulic fixing rods (6) are arranged on two sides of the second hydraulic fixing rod (10), one end of each of the two first hydraulic fixing rods (6) penetrates through and extends into the test bench main body (1), the other end of each of the two first hydraulic fixing rods (6) is provided with a first hydraulic telescopic rod (7), two first hydraulic telescopic rods (7) are arranged, the upper end faces of the two first hydraulic telescopic rods (7) are provided with grabbing rods (8), the grabbing rods (8) are four, the four grabbing rods (8) are rotatably connected with the upper end face of the first hydraulic telescopic rod (7) through rotary shafts (9), and the number of the rotating shaft bodies (9) is four, the inner walls of the four grabbing rods (8) are provided with sealing rubber pads (18), the number of the sealing rubber pads (18) is four, and the four sealing rubber pads (18) are connected with the inner walls of the grabbing rods (8) in a hot melting mode.

2. The test bed for the vibration test of the rotor bearing according to claim 1, wherein: the up end of second hydraulic pressure fixed rod (10) is provided with second hydraulic pressure telescopic rod (11), and the one end of second hydraulic pressure telescopic rod (11) runs through and extends to the inside of second hydraulic pressure fixed rod (10), the both sides of second hydraulic pressure telescopic rod (11) all are provided with vibration mechanism (12), and vibration mechanism (12) are provided with two.

3. The test bed for the vibration test of the rotor bearing according to claim 1, wherein: two one side of first hydraulic pressure dead lever (6) all is provided with fixed block (4), and fixed block (4) are provided with two, two fixed block (4) all with test bench main part (1) fixed connection, two the inboard of fixed block (4) is provided with buffer gear (5), and buffer gear (5) are provided with two.

4. The test bed for the vibration test of the rotor bearing according to claim 3, wherein: two the inside of buffer gear (5) all is provided with interior cavity (19), the inside of interior cavity (19) is provided with damping rod mechanism (20), and damping rod mechanism (20) is provided with six, six one side of damping rod mechanism (20) is provided with buffer spring (21), buffer spring (21) and damping rod mechanism (20) all with buffer gear (5) inner wall fixed connection.

5. The test bed for the vibration test of the rotor bearing according to claim 1, wherein: the testing test bed comprises a testing test bed main body (1), and is characterized in that an operating panel (2) is arranged on the upper end face of the front side of the testing test bed main body (1), the operating panel (2) is connected with the testing test bed main body (1) through a first hexagon bolt (3) in a threaded mode, the first hexagon bolt (3) is provided with four, a display screen (13) is arranged inside the operating panel (2), an operating block (14) is arranged on one side of the display screen (13), and a plurality of is arranged on one side of the operating block (14).

6. The test bed for the vibration test of the rotor bearing according to claim 1, wherein: one end of the test bed main body (1) is provided with an overhaul baffle (15), the overhaul baffle (15) is in threaded connection with the test bed main body (1) through a second hexagon bolt (16), the second hexagon bolt (16) is provided with four, the inside of the overhaul baffle (15) is provided with a radiating hole groove (17), and the radiating hole groove (17) is provided with nine.