CN202092865U

CN202092865U - Measuring instrument for measuring vibration accelerated speed of bearing

Info

Publication number: CN202092865U
Application number: CN2011202134479U
Authority: CN
Inventors: 刘景津
Original assignee: HANGZHOU JUYI ELECTRIC Co Ltd
Current assignee: HANGZHOU JUYI ELECTRIC Co Ltd
Priority date: 2011-06-22
Filing date: 2011-06-22
Publication date: 2011-12-28
Anticipated expiration: 2021-06-22

Abstract

The utility model relates to a measuring instrument and discloses a high-accuracy high-precision measuring instrument for measuring vibration accelerated speed of a bearing. The measuring instrument comprises a measuring instrument mechanical part and an S0910-III A electrical cabinet connected with the measuring instrument mechanical part. The measuring instrument mechanical part comprises a main shaft driving device where an axial load loading device, a silencing switch, a silencing adjusting device, a main shaft lubricating system, an YD-1 accelerated speed meter and a sensor adjusting device are arranged. The measuring instrument has the functions of real-time maximum peak value decibel measurement, root-mean-square value decibel measurement, sound-effect switching, crest factor digital display, threshold counting digital display, threshold counting maximum value setting and automatic alarming, time lag period setting of a silent switch, crest factor maximum value setting and automatic alarming and maximum impulse counting threshold voltage value setting and self calibration, thereby most sufficiently satisfying various demands in a process of measurement and more accurately measuring vibration accelerated speed of a bearing.

Description

The acceleration bearing vibration measuring instrument

Technical field

The utility model relates to a kind of surveying instrument, relates in particular to the high-accuracy bearing vibration measuring instrument device of a kind of high precision.

Background technology

The acceleration bearing vibration measuring instrument is a high-accuracy surveying instrument of measuring the bearing vibration acceleration, be applicable to deep groove ball bearing, angular contact ball bearing, taper roll bearing, the vibration survey of cylinder roller bearing, this instrument requires in strict accordance with present bear vibration measuring technique and user's actual use practicality develops, instrument designs according to GB JB/T7047-2007 standard, the integrated level height, good stability, this instrument is applicable to the detection of Bearing Factory's measuring room and production scene, the analysis of the measurement of bear vibration and bearing manufacturing process and research, and be widely used in the quality identification of bearing user to the buying bearing.Rolling bearing is the vitals in the plant equipment, and the quality of bearing quality is to the serviceable life of equipment, and the different sound of the vibration that produces in the equipment operation process is closely bound up.

In the market, existing acceleration bearing vibration measuring instrument function singleness, can only detect the bearing vibration root-mean-square value, the single angle from energy is reacted the performance of bearing, can not satisfy multi-faceted demand in the actual use of user, especially the user presses for the multiple function of adding and is improved the demand of the different sound differentiation of bearing.

Summary of the invention

There is the shortcoming of function singleness in the utility model technically at existing acceleration bearing vibration measuring instrument, and the acceleration bearing vibration measuring instrument that possesses multiple function after a kind of improvement is provided.It can effectively detect the vibration values size of deep groove ball bearing, angular contact ball bearing, taper roll bearing, cylinder roller bearing by piezoelectric acceleration transducer, bearing quality is carried out effectively evaluating, and this quasi-instrument is widely used in bearing, motor, pump, lathe, transformer, petrochemical industry, aviation and other relevant industries.

In order to solve the problems of the technologies described above, the utility model is solved by following technical proposals.

The acceleration bearing vibration measuring instrument, comprise measuring instrument mechanical part and the S0910-IIIA electronic box that is connected with the measuring instrument mechanical part, described measuring instrument mechanical part comprises spindle driver, spindle driver is provided with axial load loader, silence switch, noise reduction adjusting gear, principal axis lubrication system, YD-1 accelerometer and sensor adjusting gear, and this sensor adjusting gear comprises that axle, vertical slipper, vertical direction are adjusted handwheel, vertically set lever, cross sliding clock, horizontal direction are adjusted handwheel and horizontal set lever; Described spindle driver top is connected with the S0910-IIIA electronic box, and the S0910-IIIA electronic box is provided with that prime amplifier, calibration module, monitoring circuit audio processing module, 50-10K band are logical, indicating module, threshold counting module, threshold countdown warning module, sound delay computing module and digital display module are transshipped in gear conversion, oscillograph display module, effective value computing module, effective value definite value module, peak value computing module, peak value definite value module, crest factor computing module, crest factor.

During concrete work, the rotating band dynamic bearing inner ring of spindle driver clockwise rotates, pneumatic axial loader solid bearing, level when preventing the bearing rotation is beated, sensor is pressed in the centre position of bearing outer ring, radial vibration accekeration when picking up the bearing rotation, the vibration signal that bear vibration measurement electronic box is picked up sensor carries out certain calculation and processing, then the performance situation that cooperates various ways such as pointer gauge outfit, digital display gauge outfit, oscillograph, loudspeaker to come the real-time characterization bearing by multiple computing module.By the effective value computing module, show bearing vibration effective value decibel value; By the peak value computing module, show bearing vibration peak value decibel value; By the crest factor computing module, show bearing vibration peak value and vibration effective value ratio; By threshold counting computing module, the pulse number significantly that produces when showing bear vibration; By crest factor comparison operation module, crest factor is reported to the police when setting the crest factor maximal value automatically; By threshold counting comparison operation module, the threshold count value is reported to the police when setting maximum threshold count value automatically; By sound power processing and amplifying module, promote loudspeaker, the different sound that produces when reappearing bear vibration; By the instant check-out module of waveform,, show the bearing vibration waveform in real time by oscillograph; By the different sound audio of bearing modular converter, can regulate the audio of the different sound of bear vibration according to user's actual demand.

The utility model is owing to adopt above technical scheme, have significant technique effect: it not only has real-time peak-peak decibel measurement function and root-mean-square value decibel measurement function, and has an audio translation function, the digital Presentation Function of crest factor, threshold is counted digital Presentation Function, threshold counting maximal value is set and automatic warning function, squelch switch delay time set-up function, the crest factor maximal value is set and automatic warning function, maximum pulse count threshold voltage value set-up function and self-calibration function, fullest satisfied the multiple demand in the measuring process, can more accurate measurement bearing vibration acceleration.

Description of drawings

Fig. 1 is the theory diagram of the utility model embodiment.

Fig. 2 is the structural representation of sensor adjusting gear among Fig. 1.

Fig. 3 is the left view of Fig. 2.

Embodiment

Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail.

Embodiment, the acceleration bearing vibration measuring instrument, as shown in Figure 1 to Figure 3, comprise measuring instrument mechanical part 101 and the S0910-IIIA electronic box 102 that is connected with measuring instrument mechanical part 101, described measuring instrument mechanical part 101 comprises spindle driver 13, spindle driver 13 is provided with axial load loader 10, silence switch 19, noise reduction adjusting gear 16, principal axis lubrication system 17, YD-1 accelerometer 11 and sensor adjusting gear 32, this sensor adjusting gear 32 comprises axle 1, vertical slipper 3, vertical direction is adjusted handwheel 8, vertical set lever 2, cross sliding clock 4, horizontal direction is adjusted handwheel 7 and horizontal set lever 6; Described spindle driver 13 tops are connected with S0910-IIIA electronic box 102, and S0910-IIIA electronic box 102 is provided with that prime amplifier 12, calibration module 31, monitoring circuit audio processing module 14,50-10K band are logical 15, gear conversion 18, oscillograph display module 20, effective value computing module 21, effective value definite value module 22, peak value computing module 23, peak value definite value module 24, crest factor computing module 25, crest factor overload indicating module 26, threshold counting module 27, threshold countdown warning module 28, sound delay computing module 29 and digital display module 30.

Sensor in the present embodiment adopts YD-1 accelerometer 11, behind this sensor picker shaft bearing outer-ring radial vibration signal, be converted to voltage signal through electronic box, by RMS gauge outfit, PEAK gauge outfit, digital display gauge outfit, oscillograph, loudspeaker bearing vibration performance situation characterized out then.

Sensor adjusting gear 32 can make YD-1 accelerometer 11 do the mobile adjustment of level and vertical direction as requested.

Spindle driver 13 is the drive unit of measured bearing, and its radial and axial hydraulic pressure dynamic and hydrostatic bearing that all adopts supports, and has characteristics such as running accuracy height, life-span length.

Axial load loader 10 adopts pneumatic axial loader, has advantage simple to operate, that labour intensity is low, and admission pressure is 0.4MPA, turn stop nut scalable cylinder piston stroke.Loader can be equipped with two cover load dishes, the little bearing that is used for external diameter 20-80mm, and the big bearing that is used for external diameter 80-170mm is matched by big or small load posts, also can adopt the manual loading device.

Electronic box adopts S0910-IIIA electronic box 102, is made up of electronic box housing, oscillograph, external voice box.

In a word, the above only is preferred embodiment of the present utility model, and all equalizations of being done according to the utility model claim change and modify, and all should belong to the covering scope of the utility model patent.

Claims

1. acceleration bearing vibration measuring instrument, comprise measuring instrument mechanical part (101) and the S0910-IIIA electronic box (102) that is connected with measuring instrument mechanical part (101), it is characterized in that: described measuring instrument mechanical part (101) comprises spindle driver (13), spindle driver (13) is provided with axial load loader (10), silence switch (19), noise reduction adjusting gear (16), principal axis lubrication system (17), YD-1 accelerometer (11) and sensor adjusting gear (32), this sensor adjusting gear (32) comprises axle (1), vertical slipper (3), vertical direction is adjusted handwheel (8), vertical set lever (2), cross sliding clock (4), horizontal direction is adjusted handwheel (7) and horizontal set lever (6); Described spindle driver (13) top is connected with S0910-IIIA electronic box (102), and S0910-IIIA electronic box (102) is provided with prime amplifier (12), calibration module (31), monitoring circuit audio processing module (14), 50-10K band logical (15), gear conversion (18), oscillograph display module (20), effective value computing module (21), effective value definite value module (22), peak value computing module (23), peak value definite value module (24), crest factor computing module (25), crest factor overload indicating module (26), threshold counting module (27), threshold countdown warning module (28), sound delay computing module (29) and digital display module (30).