Attachment milling head oil seal performance detection tool

Abstract

The utility model discloses an accessory milling head oil seal performance detection tool, which comprises a rack, a motor seat, a motor, a transmission mechanism, a test mechanism and a mounting seat, the motor is connected to the upper surface of the rack through the motor seat, the test mechanism is connected to the upper surface of the rack through the mounting seat, and the transmission mechanism is connected to the upper surface of the rack through the mounting seat. An output shaft of the motor is connected with the testing mechanism through a transmission mechanism, the testing mechanism comprises a shell, a rotating shaft, bearings, a pressing sleeve, an end cover, an oil seal, a flange plate and a steel sleeve, the bearings are arranged between the two ends of the rotating shaft and the shell, one end of the rotating shaft is a left bearing, the other end of the rotating shaft is a right bearing, and the end face of the left bearing is provided with a locking nut for locking. The problems of high test cost and single model of the tested oil seal are solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to accessory milling head field, especially relate to a kind of accessory milling head oil seal performance detection tool. BACKGROUND

[0002] In the production of heavy milling machine, milling head needs to be sealed for a long time Test, to detect whether its sealing requirement reaches specified requirement. The oil seal of milling head can prevent water, machining chips and other sundries from outside, and must achieve IP67 sealing effect. But because the shaft of milling head and the lip of oil seal will inevitably rub and generate heat. The size of its heat is related to speed, running time, oil seal lip size and other factors. Therefore, in the initial stage of developing milling head sample, the feasibility of oil seal needs to be fully tested and verified.

[0003] In the prior art, the test and verification of oil seal basically adopt the method of directly installing oil seal on the rotor shaft of driving motor, running according to different speed conditions of motor, and recording real-time temperature of oil seal to observe whether oil seal abnormity occurs.

[0004] The defects of the above existing technology are as follows: on the one hand, adjustable motor increases test cost; on the other hand, repeated disassembly of oil seal lip is easy to cause friction damage to rotor shaft, and the type of tested oil seal is single. SUMMARY

[0005] In order to overcome the defects of the above existing technology, the utility model provides a kind of accessory milling head oil seal performance detection tool, solves the problems of high test cost and single test oil seal type.

[0006] To achieve the above purpose, the utility model adopts the following technical scheme: a kind of accessory milling head oil seal performance detection tool, including rack, motor base, motor, transmission mechanism, test mechanism and mounting seat, the motor is connected to the upper surface of rack by motor base, the test mechanism is connected to the upper surface of rack by mounting seat, the output shaft of motor is connected between test mechanism by transmission mechanism, the test mechanism includes shell, rotating shaft, bearing, compression sleeve, end cover, oil seal, flange plate, steel sleeve, the both ends of rotating shaft are equipped with bearing between shell, one end is left bearing, the other end is right bearing, locking nut is equipped at left bearing end face to lock, and compression sleeve is equipped between left bearing and shell, flange plate is fixedly connected with end cover outside left bearing, oil seal is equipped between flange plate and end cover, the one end of rotating shaft close to right bearing is equipped with inner steel sleeve and outer steel sleeve, inner steel sleeve is used to push against the inner ring of right bearing, outer steel sleeve is used to push against the outer ring of right bearing, and right end cover is equipped at the outside of inner steel sleeve and outer steel sleeve, right end cover is connected to shell, the part of rotating shaft protruding right end cover is connected with transmission mechanism.

[0007] In the above technical scheme, the transmission component comprises a driving pulley, a driven pulley and a transmission belt, the driving pulley is connected with the output shaft of the motor, the driven pulley is connected with the rotating shaft, and the driving pulley and the driven pulley are connected through the transmission belt.

[0008] In the above technical scheme, the driving pulley and the driven pulley each have four V-shaped grooves, the transmission belt is a V-belt, the reference diameters of the four grooves of the driving pulley are the same, the reference diameters of the four grooves of the driven pulley are different, the transmission ratios are about 0.8, 1, 1.5 and 3 respectively, and four gear speeds from fast to slow can be output in sequence.

[0009] In the above technical scheme, the driving pulley and the output shaft of the motor are connected through a fixing mechanism, and the driven pulley and the rotating shaft are connected through the fixing mechanism.

[0010] In the above technical scheme, a T-shaped groove for adjusting the position of the motor is arranged on the motor base.

[0011] In the above technical scheme, the number of the left bearing and the right bearing is 2, and the bearings on the same side are arranged side by side.

[0012] In the above technical scheme, a protective cover is arranged outside the transmission device.

[0013] In the above technical scheme, a protective net is arranged on the top surface of the shell.

[0014] The beneficial effects of the present application are as follows: four V-shaped grooves are arranged on the driving pulley and the driven pulley of the transmission mechanism, so that the speed of the test mechanism is adjusted, and the test cost is reduced; meanwhile, different sizes and types of left end covers and flange plates are replaced on the test mechanism, the size and type of the test oil seal between the left end cover and the flange plate are adjusted, and the application range is increased. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The figure is a structural schematic view of the present application.

[0016] Figure 2 The figure is a top view of the present application.

[0017] Figure 3 The figure is a sectional view of the connection between the motor and the driving pulley of the present application.

[0018] Figure 4 The figure is a sectional view of the connection between the test mechanism and the driven pulley of the present application.

[0019] Figure 5 The figure is a partial sectional view of the clamping of the oil seal of the present application.

[0020] Figure 6 The figure is a partial sectional view of the clamping of another oil seal of the present application.

[0021] Wherein: 1, rack, 2, motor base, 3, motor, 3-1, output shaft, 4, fixing mechanism, 4-1, driving pulley key block, 4-2, driving pulley pressing plate, 4-3, driven pulley key block, 4-4, driven pulley pressing plate, 5, transmission mechanism, 5-1, driving pulley, 5-2, V belt, 5-3, driven pulley, 5-4, protective cover, 6, testing mechanism, 6-1, shell, 6-2, rotating shaft, 6-3, left bearing, 6-4, locking nut, 6-5, compression sleeve, 6-6, left end cover, 6-7, oil seal, 6-8, flange, 6-9, right bearing, 6-10, inner steel sleeve, 6-11, outer steel sleeve, 6-12, right end cover, 6-13, protective net, 7, mounting seat. DETAILED DESCRIPTION

[0022] The utility model will be further explained in connection with the drawings and specific embodiments.

[0023] As Figures 1 to 6 The utility model provides an accessory milling head oil seal 6-7 performance detection frock, including rack 1, motor base 2, motor 3, transmission mechanism 5, testing mechanism 6 and mounting seat 7, motor 3 is connected to the upper surface of rack 1 through motor base 2, testing mechanism 6 is connected to the upper surface of rack 1 through mounting seat 7, and the output shaft 3-1 of motor 3 is connected between testing mechanism 6 through transmission mechanism 5, testing mechanism 6 includes shell 6-1, rotating shaft 6-2, bearing, compression sleeve 6-5, end cover, oil seal 6-7, flange 6-8, steel sleeve, the both ends of rotating shaft 6-2 are equipped with bearing between shell 6-1, and one end is left bearing 6-3, and the other end is right bearing 6-9, and locking nut 6-4 is equipped at left bearing 6-3 end face and is locked, and compression sleeve 6-5 is equipped between left bearing 6-3 and shell 6-1, and flange 6-8 is fixedly connected to the end face of rotating shaft 6-2 close to left bearing 6-3, and left end cover 6-6 is equipped with to the connection of flange 6-8 outside shell 6-1, and oil seal 6-7 is equipped between flange 6-8 and end cover, and the one end of preceding rotating shaft 6-2 close to right bearing 6-9 is equipped with inner steel sleeve 6-10 and outer steel sleeve 6-11, and inner steel sleeve 6-10 is used to push against the inner ring of right bearing 6-9, and outer steel sleeve 6-11 is used to push against the outer ring of right bearing 6-9, and right end cover 6-12 is equipped at the outside of inner steel sleeve 6-10 and outer steel sleeve 6-11, and right end cover 6-12 is connected to shell 6-1, and the part of rotating shaft 6-2 protruding right end cover 6-12 is connected with transmission mechanism 5.

[0024] In the above technical solution, the transmission mechanism 5 comprises a driving pulley 5-1, a driven pulley 5-3 and a transmission belt 5-2, the driving pulley 5-1 is connected with the output shaft 3-1 of the motor 3, the driven pulley 5-3 is connected with the rotating shaft 6-2, and the driving pulley 5-1 and the driven pulley 5-3 are connected through the transmission belt 5-2.

[0025] In the above technical solution, the driving pulley 5-1 and the driven pulley 5-3 each have four V-shaped grooves, the transmission belt 5-2 is a V-belt, the four grooves of the driving pulley 5-1 have the same reference diameter, the four grooves of the driven pulley 5-3 each have different reference diameters, the transmission ratios are about 0.8, 1, 1.5 and 3 respectively, and the four gears can output the rotating speeds from fast to slow in sequence.

[0026] In the above technical solution, the driving pulley 5-1 and the output shaft 3-1 of the motor 3 are connected through a driving pulley key block 4-1 and a driving pulley pressing plate 4-2, the output shaft 3-1 of the motor is provided with a key groove matched with the driving pulley key block 4-1, the driven pulley 5-3 and the rotating shaft 6-2 are connected through a driven pulley key block 4-3 and a driven pulley pressing plate 4-4, and the rotating shaft 6-2 is provided with a key groove matched with the driven pulley key block 4-3.

[0027] In the above technical solution, the motor base 2 is provided with a T-shaped groove for adjusting the position of the motor 3. When the transmission ratio needs to be changed, the position of the motor 3 on the T-shaped groove on the upper surface of the motor base 2 is adjusted, the V-belt 5-2 is tensioned, and the speed of the motor 3 is adjusted.

[0028] The rotating speed of the motor output shaft is 2890 rpm, and the four gears have rotating speeds of about 3800 r / min, 3000 r / min, 2000 r / min and 1000 r / min respectively.

[0029] In the above technical solution, the number of the left bearings 6-3 is two, and the left bearings 6-3 are arranged side by side; the number of the right bearings 6-9 is two, and the right bearings 6-9 are arranged side by side.

[0030] In the above technical solution, the transmission device 5 is provided with a protective cover 5-4.

[0031] In the above technical solution, the top surface of the shell 6-1 is provided with a protective net 6-13.

[0032] In order to test various types of oil seals, the end cover 16-6 and the flange plate 6-8 of different sizes and types are replaced, and the oil seal 6-7 required in real time is tested.

[0033] The working principle of the above example is as follows:

[0034] The position of the V-belt 5-2 in the V-shaped groove of the driving pulley 5-1 and the driven pulley 5-3 is adjusted, the V-belt 5-2 is tensioned by adjusting the position of the motor 3 on the motor base 2, the rotation speed is adjusted, the motor output shaft 3-1 drives the driving pulley 5-1 to rotate, the driving pulley 5-1 drives the driven pulley 5-3 to rotate through the V-belt 5-2, the driven pulley 5-3 drives the rotating shaft 6-2 to rotate, the rotating shaft 6-2 drives the flange plate 6-8 to rotate, the flange plate 6-8 rotates relative to the oil seal 6-7, the real-time temperature of the oil seal 6-7 is recorded, whether the oil seal 6-7 is abnormal is observed, and the test on the oil seal is realized.

[0035] The above merely describes a preferred embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can easily think of changes or replacements within the technical scope disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. An accessory milling head oil seal performance detection tool, characterized in that: The utility model relates to a test device for the testing of the rotating speed of a motor, comprising a frame, a motor base, a motor, a transmission mechanism, a testing mechanism and a mounting base, the motor being connected to the upper surface of the frame through the motor base, the testing mechanism being connected to the upper surface of the frame through the mounting base, the output shaft of the motor being connected to the testing mechanism through the transmission mechanism, the testing mechanism comprising a housing, a rotating shaft, bearings, a compression sleeve, an end cover, an oil seal, a flange and a steel sleeve, bearings being arranged between the ends of the rotating shaft and the housing, one end being a left bearing and the other end being a right bearing, a locking nut being arranged at the end face of the left bearing for locking, a compression sleeve being arranged between the left bearing and the housing, a flange being fixedly connected to the end face of the rotating shaft close to the left bearing, a left end cover being arranged outside the flange and connected to the housing, an oil seal being arranged between the flange and the end cover, an inner steel sleeve and an outer steel sleeve being arranged at the end of the rotating shaft close to the right bearing, the inner steel sleeve being used for abutting against the inner ring of the right bearing and the outer steel sleeve being used for abutting against the outer ring of the right bearing, a right end cover being arranged outside the inner steel sleeve and the outer steel sleeve and connected to the housing, the part of the rotating shaft protruding from the right end cover being connected to the transmission mechanism.

2. The accessory milling head oil seal performance detection tool of claim 1, characterized in that: The transmission component comprises a driving pulley, a driven pulley and a transmission belt, the driving pulley being connected to the output shaft of the motor, the driven pulley being connected to the rotating shaft, the driving pulley and the driven pulley being connected through the transmission belt.

3. The accessory milling head oil seal performance detection tool of claim 2, characterized in that: The driving pulley and the driven pulley each have four V-shaped grooves, the transmission belt being a V-shaped belt, the reference diameters of the four grooves of the driving pulley being the same, the reference diameters of the four grooves of the driven pulley each being different, the transmission ratios being about 0.8, 1, 1.5 and 3 respectively, and the rotating speeds being outputted in four gears from fast to slow in turn.

4. The accessory milling head oil seal performance detection tool of claim 2, characterized in that: The driving pulley and the driven pulley are each connected to the output shaft of the motor and the rotating shaft through a fixing mechanism, the fixing mechanism comprising a key block and a pressing plate.

5. The accessory milling head oil seal performance detection tool of claim 1, wherein: The motor base is provided with a T-shaped groove for adjusting the position of the motor.

6. The accessory milling head oil seal performance detection tool of claim 1, wherein: The number of the left bearings and the right bearings is each 2, and the bearings on the same side are arranged side by side.

7. The accessory milling head oil seal performance detection tool of claim 1, wherein: The transmission device is provided with a protective cover.

8. The accessory milling head oil seal performance detection tool of claim 1, wherein: The top surface of the housing is provided with a protective net.

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