CN205426519U - Bearing vibration speed measurer - Google Patents

Bearing vibration speed measurer Download PDF

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Publication number
CN205426519U
CN205426519U CN201620135480.7U CN201620135480U CN205426519U CN 205426519 U CN205426519 U CN 205426519U CN 201620135480 U CN201620135480 U CN 201620135480U CN 205426519 U CN205426519 U CN 205426519U
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China
Prior art keywords
bearing
cylinder
loading
valve
load
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CN201620135480.7U
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Chinese (zh)
Inventor
曹茂来
魏剑波
张卫明
平晓明
张亚军
李兴林
张燕辽
沈云同
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HANGZHOU BEARING TEST RESEARCH CENTER Co Ltd
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HANGZHOU BEARING TEST RESEARCH CENTER Co Ltd
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Priority to CN201620135480.7U priority Critical patent/CN205426519U/en
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Abstract

The utility model discloses a bearing vibration speed measurer, including fluid pressure driving spindle, loading device, sensor adjusting device, oil feeding system, measuring amplifier, go up unloader and frame, fluid pressure driving spindle is driven by the motor, the spindle on driving spindle is settled to the test bearing, loading device comprises with radial loading device two parts axial loading device, through pneumatic spring load mechanism loading load, the sensor is located test bearing top, install on sensor adjusting device, the sensor links to each other with measuring amplifier, the vibration signal that picks up the sensor enlargies, filtering, detection and indicating value, it installs on the frame panel to go up unloader, accomplish through the cylinder and go up the unloading, the utility model discloses at high rotational speed, the test condition of big load operation down is stable, driving spindle hold the loading lotus big, generate heat for a short time, can be used to large -scale deep groove ball bearing, angular contact ball bearing, tapered roller bearing, cylindrical roller bearing and self -aligning roller bearing's vibration testing.

Description

Bearing vibration speed measurer
Technical field
This utility model relates to a kind of bear vibration velocity measuring device, particularly relates to a kind of instrument that can carry out large size bearing vibration detection under the conditions of high rotating speed heavy load.
Background technology
Bearing vibration speed measurer is a kind of instrumentation measuring bearing vibrating noise quality.The maximum outside diameter that existing this bearing vibration speed measurer can be measured is not more than 260mm, when external diameter is more than 260mm, it is impossible to measure.On the other hand, the charger of existing bearing vibration speed measurer cannot meet the test load requirement of large size bearing, and meanwhile, existing drive shaft is unstable properties under the experimental condition of big load, and measurement data is inaccurate.
Summary of the invention
In order to overcome the above-mentioned defect of existing bearing vibration speed measurer, this utility model provides a kind of stable performance, rotating speed is high, load bearing vibration speed measurer big, easy to use.
The technical solution adopted in the utility model is: a kind of bearing vibration speed measurer, including: frame, handling equipment, radial loading device, sensor, oil supply system, active motor, fluid pressure drive shaft, measuring amplifier, sensor adjusting apparatus and axial loading device;Wherein, described handling equipment, hydraulic static spindle, axial loading device, radial loading device, active motor and oil supply system are each attached in frame;Bearing to be measured is installed by mandrel in the front end of fluid pressure drive shaft, and rear end is connected with spindle motor by many contracts band;Oil supply system is to fluid pressure drive shaft fuel feeding;Sensor is positioned at the position directly above of bearing to be measured, is fixedly connected in sensor adjusting apparatus, and is connected with measuring amplifier;Sensor adjusting apparatus is positioned at above fluid pressure drive shaft, and handling equipment, axial loading device and radial loading device are positioned at the front of fluid pressure drive shaft.
Further, described oil supply system includes motor, coarse filter, oil pump, overflow valve, Pressure gauge, fine filter, check valve and pressure switch;The output shaft of described motor is connected with oil pump, the oil-in of oil pump is connected with fuel tank pipeline by coarse filter, oil-out is connected with check valve and overflow valve pipeline respectively, the other end of overflow valve is connected with fuel tank pipeline, the other end of check valve to hydraulic static spindle fuel feeding, installs Pressure gauge and pressure switch by fine filter on the pipeline that check valve is connected with fine filter.
, according to bearing vibration speed measurer described in claim, it is characterised in that described hydraulic static spindle includes multi-wedge belt pulley, main shaft, hydrodynamic journal liquid polymers and main shaft housing;Described main shaft is installed in hydrodynamic journal liquid polymers by hydrodynamic journal liquid polymers, and the afterbody of main shaft installs multi-wedge belt pulley, and many contracts belt wheel is connected with spindle motor by many contracts band.
Further, described axial loading device is single pneumatic spring charger, including the first air filter, the first air relief valve, the first oil sprayer, the first reversal valve, gliding mass bearing, bearing, load posts, load dish, first piston, the first cylinder, the first gliding mass and the first handwheel;Described first gliding mass is arranged on gliding mass bearing, first handwheel and the first gliding mass are connected, first cylinder is fixed on the first gliding mass, it is connected with spring by first piston, the other end of spring is connected with load dish, by load posts, bearing to be measured is loaded, before and after first cylinder, portion is connected with the outlet A and outlet B of the first reversal valve respectively, the import P of the first reversal valve and the gas outlet pipeline of the first oil sprayer connect, the import of the first oil sprayer is connected with the export pipeline of the first air relief valve, the import of the first air relief valve is connected with the export pipeline of the first air filter, the import of the first air filter is connected with air inlet pipe.
Further, described radial loading device includes the second air filter, the second air relief valve, the second oil sprayer, the second reversal valve and two pneumatic spring chargers, two pneumatic spring chargers include load block, the second piston, the second cylinder, the second handwheel, slide block, the second gliding mass, lock-screw and support from the angle of degree to bearing combination loading to be measured, each pneumatic spring charger respectively;Described slide block is installed on the second gliding mass and is connected with the second handwheel, second cylinder is fixed on slide block, it is connected with spring by the second piston, bearing to be measured is loaded by the other end of spring by load block, the front end of the outlet A of the second reversal valve and the second cylinder of two pneumatic spring chargers is connected, the tail end of the outlet B of the second reversal valve and the second cylinder of two pneumatic spring chargers is connected, the import P of the second reversal valve and the gas outlet pipeline of the second oil sprayer connect, the import of the second oil sprayer is connected with the export pipeline of the second air relief valve, the import of the second air relief valve is connected with the export pipeline of the second air filter, the import of the second air filter is connected with air inlet pipe.
Further, described handling equipment includes two pieces of Anti-rotary blocks, two cylinder blocks, bearing spider, two equal height cushion blocks, two bearing pushing blocks, two blanking cylinders and two anti-turn screws;Described bearing spider is arranged in frame, two pieces of equal height cushion blocks are left and right symmetrically arranged on bearing spider, the rear of bearing spider is provided with two cylinder blocks, two cylinder blocks are left and right symmetrically arranged in frame, installing a blanking cylinder on each cylinder block, blanking cylinder is installed bearing pushing block and Anti-rotary block, bearing pushing block is arranged on the front of Anti-rotary block, Anti-rotary block is fixed on cylinder block by anti-turn screw, prevents blanking cylinder from rotating.
The beneficial effects of the utility model are: solve existing bearing vibration speed measurer and can only measure the bearing that external diameter is not more than 260mm, when bearing outside diameter is more than 260mm, the problem that measuring instrument cannot be measured, simultaneously, it is the heaviest too greatly that the pneumatic handling equipment installed additional solves the bearing when testing large bearing, the problem that loading and unloading are wasted time and energy, realize semi-automatic loading and unloading, in addition, measuring instrument is at high rotating speed, stable under the test condition of load greatly, measure accurately, meet the actual vibration situation of bearing, it is big that drive shaft bears load, generate heat little, can be used for large-scale deep groove ball bearing, angular contact ball bearing, taper roll bearing, cylinder roller bearing and the vibration-testing of self-aligning roller bearing.
Accompanying drawing explanation
Fig. 1 is the front view of bearing vibration speed measurer;
Fig. 2 is the left view of bearing vibration speed measurer;
Fig. 3 is fluid pressure drive shaft schematic diagram;
Fig. 4 is axial loading device schematic diagram;
Fig. 5 is radial loading device schematic diagram;
Fig. 6 is handling equipment schematic diagram, and (a) is front view, and (b) is side view;
Fig. 7 is measuring amplifier amplifier electrical schematic diagram;
nullIn figure,Frame 1、Handling equipment 2、Radial loading device 3、Sensor 4、Oil supply system 5、Active motor 6、Fluid pressure drive shaft 7、Measuring amplifier 8、Sensor adjusting apparatus 9、Axial loading device 10、Motor 11、Coarse filter 12、Oil pump 13、Overflow valve 14、Pressure gauge 15、Fine filter 16、Check valve 17、Pressure switch 18、Multi-wedge belt pulley 19、Main shaft 20、Hydrodynamic journal liquid polymers 21、Main shaft housing 22、First air filter 23、First air relief valve 24、First oil sprayer 25、First reversal valve 26、Gliding mass bearing 27、Bearing 28、Load posts 29、Load dish 30、First piston 31、First cylinder 32、First gliding mass 33、First handwheel 34、Second air filter 35、Second air relief valve 36、Second oil sprayer 37、Second reversal valve 38、Load block 39、Second piston 40、Second cylinder 41、Second handwheel 42、Slide block 43、Second gliding mass 44、Lock-screw 45、Support 46、Anti-rotary block 47、Cylinder block 48、Bearing spider 49、Equal height cushion block 50、Bearing pushing block 51、Blanking cylinder 52、Anti-turn screw 53.
Detailed description of the invention
Seeing accompanying drawing 1 and accompanying drawing 2, the bearing vibration speed measurer of the present embodiment includes frame 1, handling equipment 2, radial loading device 3, sensor 4, oil supply system 5, active motor 6, fluid pressure drive shaft 7, measuring amplifier 8, sensor adjusting apparatus 9 and axial loading device 10;Handling equipment 2, hydraulic static spindle 7, axial loading device 10, radial loading device 3, active motor 6 and oil supply system 5 are each attached in frame 1;Bearing 28 to be measured is installed by mandrel in the front end of fluid pressure drive shaft 7, and rear end is connected with spindle motor 6 by many contracts band;Oil supply system 5 is to fluid pressure drive shaft 7 fuel feeding;Sensor 4 is positioned at the position directly above of bearing 28 to be measured, is fixedly connected in sensor adjusting apparatus 9, and is connected with measuring amplifier 8;Sensor adjusting apparatus 9 is positioned at above fluid pressure drive shaft 7, and handling equipment 2, axial loading device 10 and radial loading device 3 are positioned at the front of fluid pressure drive shaft 7.
Seeing accompanying drawing 3, the oil supply system 5 of the present embodiment includes motor 11, coarse filter 12, oil pump 13, overflow valve 14, Pressure gauge 15, fine filter 16, check valve 17 and pressure switch 18;The output shaft of motor 11 is connected with oil pump 13, the oil-in of oil pump 13 is connected with fuel tank pipeline by coarse filter 12, oil-out is connected with check valve 17 and overflow valve 14 pipeline respectively, the other end of overflow valve 14 is connected with fuel tank pipeline, the other end of check valve 17 to fluid pressure drive shaft 7 fuel feeding, installs Pressure gauge 15 and pressure switch 18 by fine filter 16 on the pipeline that check valve 17 is connected with fine filter 16.
Seeing accompanying drawing 3, the fluid pressure drive shaft 7 of the present embodiment includes multi-wedge belt pulley 19, main shaft 20, hydrodynamic journal liquid polymers 21 and main shaft housing 22;Described main shaft 20 is installed in hydrodynamic journal liquid polymers 21 by hydrodynamic journal liquid polymers 21, and the afterbody of main shaft 20 installs multi-wedge belt pulley 19, and many contracts belt wheel 19 is connected with spindle motor 6 by many contracts band.The hydrodynamic journal liquid polymers 21 that the most all use of main shaft 20 support, and it has, and running accuracy is high, and caloric value is little, smooth running, and shock resistance is good and the feature such as length in service life.It by spindle motor 6 by many contracts belt wheel 19 transmission.Before main shaft 20 starts, first start fuel feeding oil pump 13, make main shaft 20 be suspended by pressure oil at hydrodynamic journal liquid polymers 21 intracavity, then restart main shaft 20.The axial gap of described fluid pressure drive shaft 7 is 0.04~0.05mm, and radial clearance is 0.035~0.04mm.Use this main axle structure, on the one hand owing to starting and the most not damaging during work main shaft precision, therefore use proper if, main shaft can be made to be greatly prolonged accuracy life;On the other hand starting due to main shaft and during work, main shaft all is suspended by pressure oil, therefore the moment needed for operating is the least, make base bearing loaded big, caloric value is little.
See accompanying drawing 4, the axial loading device 10 of the present embodiment is single pneumatic spring charger, including first air filter the 23, first air relief valve the 24, first oil sprayer the 25, first reversal valve 26, gliding mass bearing 27, bearing 28, load posts 29, load dish 30, first piston the 31, first cylinder the 32, first gliding mass 33 and the first handwheel 34;First gliding mass 33 is arranged on gliding mass bearing 27, first handwheel 34 is connected with the first gliding mass 33, first cylinder 32 is fixed on the first gliding mass 33, it is connected with spring by first piston 31, the other end of spring is connected with load dish 30, by load posts 29, bearing 28 to be measured is loaded, before and after first cylinder 32, portion is connected with the outlet A and outlet B of the first reversal valve 26 respectively, the import P of the first reversal valve 26 and the gas outlet pipeline of the first oil sprayer 25 connect, the import of the first oil sprayer 25 is connected with the export pipeline of the first air relief valve 24, the import of the first air relief valve 24 is connected with the export pipeline of the first air filter 23, the import of the first air filter 23 is connected with air inlet pipe.Promoting first piston 31 to move by the first cylinder 32, first piston 31 promotes the load posts 29 on load dish 30 to contact bearing 28 to be tried, then by the first handwheel 34 compression spring, treats examination bearing 28 and load axial load.Tighten locking nut and fix the first gliding mass 33, so, when testing same model bearing, it is not necessary to regulate axial loading device 10 position again, only need to realize loading and uninstall process by adjustable change valve, simple and convenient.
See accompanying drawing 5, the radial loading device 3 of the present embodiment includes the second air filter the 35, second air relief valve the 36, second oil sprayer the 37, second reversal valve 38 and two pneumatic spring chargers, two pneumatic spring chargers respectively from the angle of 45 degree to bearing 28 combination loading to be measured, each pneumatic spring charger includes load block the 39, second piston the 40, second cylinder the 41, second handwheel 42, slide block the 43, second gliding mass 44, lock-screw 45 and support 46;Described slide block 43 is installed on the second gliding mass 44 and is connected with the second handwheel 42, second cylinder 41 is fixed on slide block 43, it is connected with spring by the second piston 40, bearing 28 to be measured is loaded by the other end of spring by load block 39, the front end of the outlet A of the second reversal valve 38 and the second cylinder 41 of two pneumatic spring chargers is connected, the tail end of the outlet B of the second reversal valve 38 and the second cylinder 41 of two pneumatic spring chargers is connected, the import P of the second reversal valve 38 and the gas outlet pipeline of the second oil sprayer 37 connect, the import of the second oil sprayer 37 is connected with the export pipeline of the second air relief valve 36, the import of the second air relief valve 36 is connected with the export pipeline of the second air filter 35, the import of the second air filter 35 is connected with air inlet pipe.Promoting the second piston 40 to move by the second cylinder 41, the second piston 40 promotes the load block 39 engaged test bearing on load dish, then by handwheel 42 compression spring, test bearing is loaded radial load.Tighten locking nut 45 and fix slide block 43, so, when testing same model bearing, it is not necessary to regulation adds and radially carries seated position again, only need to realize loading and uninstall process by adjustable change valve, simple and convenient.
Seeing accompanying drawing 6, the handling equipment 2 of this enforcement body includes 47, two cylinder blocks 48 of two pieces of Anti-rotary blocks, 49, two equal height cushion blocks of bearing spider, 51, two blanking cylinders 52 of 50, two bearing pushing blocks and two anti-turn screws 53;Described bearing spider 49 is arranged in frame 1, two pieces of equal height cushion blocks 50 are left and right symmetrically arranged on bearing spider 49, the rear of bearing spider 49 is provided with two cylinder blocks 48, two cylinder blocks 48 are left and right symmetrically arranged in frame 1, installing a blanking cylinder 52 on each cylinder block 48, blanking cylinder 52 is installed bearing pushing block 51 and Anti-rotary block 47, bearing pushing block 51 is arranged on the front of Anti-rotary block 47, Anti-rotary block 47 is fixed on cylinder block 48 by anti-turn screw 53, prevents blanking cylinder 52 from rotating.
See accompanying drawing 7, the circuit such as the measuring amplifier of this enforcement body amplifies for the signal of telecommunication picked up by sensor, filtered, detection, indicating value, it is then fed into each gauge outfit.Three pieces of gauge outfits of measuring amplifier show the test bearing outer ring radial vibration speed root-mean-square value at basic, normal, high three frequency bands respectively.Being provided with preset definite value circuit in measuring amplifier, be available for quickly measuring use, be additionally provided with monitoring circuit, the noise quality of test bearing is monitored by operator altogether.Additionally, measuring amplifier rear board is provided with four BNC sockets, export high, medium and low and passband vibration signal respectively, in order to be connected with other analytical tool, bear vibration is further analysed.
This utility model solves existing bearing vibration speed measurer can only measure the bearing that external diameter is not more than 260mm, when bearing outside diameter is more than 260mm, the problem that measuring instrument cannot be measured, simultaneously, it is the heaviest too greatly that the pneumatic handling equipment installed additional solves the bearing when testing large bearing, the problem that loading and unloading are wasted time and energy, realize semi-automatic loading and unloading, in addition, measuring instrument is at high rotating speed, stable under the test condition of load greatly, measure accurately, meet the actual vibration situation of bearing, it is big that drive shaft bears load, generate heat little, can be used for large-scale deep groove ball bearing, angular contact ball bearing, taper roll bearing, cylinder roller bearing and the vibration-testing of self-aligning roller bearing.

Claims (6)

1. a bearing vibration speed measurer, it is characterized in that, including: frame (1), handling equipment (2), radial loading device (3), sensor (4), oil supply system (5), active motor (6), fluid pressure drive shaft (7), measuring amplifier (8), sensor adjusting apparatus (9) and axial loading device (10);Wherein, described handling equipment (2), hydraulic static spindle (7), axial loading device (10), radial loading device (3), active motor (6) and oil supply system (5) are each attached in frame (1);Bearing to be measured (28) is installed by mandrel in the front end of fluid pressure drive shaft (7), and rear end is connected with spindle motor (6) by many contracts band;Oil supply system (5) is to fluid pressure drive shaft (7) fuel feeding;Sensor (4) is positioned at the position directly above of bearing to be measured (28), is fixedly connected in sensor adjusting apparatus (9), and is connected with measuring amplifier (8);Sensor adjusting apparatus (9) is positioned at fluid pressure drive shaft (7) top, and handling equipment (2), axial loading device (10) and radial loading device (3) are positioned at the front of fluid pressure drive shaft (7).
Bearing vibration speed measurer the most according to claim 1, it is characterized in that, described oil supply system (5) includes motor (11), coarse filter (12), oil pump (13), overflow valve (14), Pressure gauge (15), fine filter (16), check valve (17) and pressure switch (18);The output shaft of described motor (11) is connected with oil pump (13), the oil-in of oil pump (13) is connected with fuel tank pipeline by coarse filter (12), oil-out is connected with check valve (17) and overflow valve (14) pipeline respectively, the other end of overflow valve (14) is connected with fuel tank pipeline, the other end of check valve (17) to fluid pressure drive shaft (7) fuel feeding, installs Pressure gauge (15) and pressure switch (18) by fine filter (16) on the pipeline that check valve (17) is connected with fine filter (16).
Bearing vibration speed measurer the most according to claim 1, it is characterized in that, described fluid pressure drive shaft (7) includes multi-wedge belt pulley (19), main shaft (20), hydrodynamic journal liquid polymers (21) and main shaft housing (22);Described main shaft (20) is installed in hydrodynamic journal liquid polymers (21) by hydrodynamic journal liquid polymers (21), the afterbody of main shaft (20) installs multi-wedge belt pulley (19), and many contracts belt wheel (19) is connected with spindle motor (6) by many contracts band.
Bearing vibration speed measurer the most according to claim 1, it is characterized in that, described axial loading device (10) is single pneumatic spring charger, including the first air filter (23), the first air relief valve (24), the first oil sprayer (25), the first reversal valve (26), gliding mass bearing (27), bearing (28), load posts (29), load dish (30), first piston (31), the first cylinder (32), the first gliding mass (33) and the first handwheel (34);nullDescribed first gliding mass (33) is arranged on gliding mass bearing (27),First handwheel (34) is connected with the first gliding mass (33),First cylinder (32) is fixed on the first gliding mass (33),It is connected with spring by first piston (31),The other end of spring is connected with load dish (30),By load posts (29), bearing to be measured (28) is loaded,Before and after first cylinder (32), portion is connected with the outlet A and outlet B of the first reversal valve (26) respectively,The import P of the first reversal valve (26) and the gas outlet pipeline of the first oil sprayer (25) connect,The import of the first oil sprayer (25) is connected with the export pipeline of the first air relief valve (24),The import of the first air relief valve (24) is connected with the export pipeline of the first air filter (23),The import of the first air filter (23) is connected with air inlet pipe.
Bearing vibration speed measurer the most according to claim 1, it is characterized in that, described radial loading device (3) includes the second air filter (35), second air relief valve (36), second oil sprayer (37), second reversal valve (38) and two pneumatic spring chargers, two pneumatic spring chargers respectively from the angle of 45 degree to bearing to be measured (28) combination loading, each pneumatic spring charger includes load block (39), second piston (40), second cylinder (41), second handwheel (42), slide block (43), second gliding mass (44), lock-screw (45) and support (46);nullDescribed slide block (43) is installed the second gliding mass (44) and above and is connected with the second handwheel (42),Second cylinder (41) is fixed on slide block (43),It is connected with spring by the second piston (40),Bearing to be measured (28) is loaded by the other end of spring by load block (39),The front end of the outlet A of the second reversal valve (38) and second cylinder (41) of two pneumatic spring chargers is connected,The tail end of the outlet B of the second reversal valve (38) and second cylinder (41) of two pneumatic spring chargers is connected,The import P of the second reversal valve (38) and the gas outlet pipeline of the second oil sprayer (37) connect,The import of the second oil sprayer (37) is connected with the export pipeline of the second air relief valve (36),The import of the second air relief valve (36) is connected with the export pipeline of the second air filter (35),The import of the second air filter (35) is connected with air inlet pipe.
Bearing vibration speed measurer the most according to claim 1, it is characterized in that, described handling equipment (2) includes two pieces of Anti-rotary blocks (47), two cylinder blocks (48), bearing spider (49), two equal height cushion blocks (50), two bearing pushing blocks (51), two blanking cylinders (52) and two anti-turn screws (53);Described bearing spider (49) is arranged in frame (1), two pieces of equal height cushion blocks (50) are left and right symmetrically arranged on bearing spider (49), the rear of bearing spider (49) is provided with two cylinder blocks (48), two cylinder blocks (48) are left and right symmetrically arranged in frame (1), each cylinder block (48) is upper installs a blanking cylinder (52), blanking cylinder (52) is upper installs bearing pushing block (51) and Anti-rotary block (47), bearing pushing block (51) is arranged on the front of Anti-rotary block (47), Anti-rotary block (47) is fixed on cylinder block (48) by anti-turn screw (53), prevent blanking cylinder (52) from rotating.
CN201620135480.7U 2016-02-23 2016-02-23 Bearing vibration speed measurer Active CN205426519U (en)

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Application Number Priority Date Filing Date Title
CN201620135480.7U CN205426519U (en) 2016-02-23 2016-02-23 Bearing vibration speed measurer

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108562439A (en) * 2018-01-09 2018-09-21 宁波致泰自动化装备有限公司 A kind of bearing sound vibration detection device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108562439A (en) * 2018-01-09 2018-09-21 宁波致泰自动化装备有限公司 A kind of bearing sound vibration detection device

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