CN208188143U

CN208188143U - A kind of motor speed test device

Info

Publication number: CN208188143U
Application number: CN201820805593.2U
Authority: CN
Inventors: 黄光淮; 邹联石
Original assignee: Jiangxi Li Ma Mechanical And Electrical Technology Co Ltd
Current assignee: Jiangxi Li Ma Mechanical And Electrical Technology Co Ltd
Priority date: 2018-05-28
Filing date: 2018-05-28
Publication date: 2018-12-04
Anticipated expiration: 2028-05-28

Abstract

The utility model provides a kind of motor speed test device, including velocity measurement mechanisms, the plate top surface of velocity measurement mechanisms is equipped with first bearing seat and second bearing seat, shaft is provided between first bearing seat and second bearing seat, shaft is equipped with measure speed gears and turntable, and plate top surface is equipped with the gear velocity sensor detected to measure speed gears and the correlation type photoelectric sensor detected to turntable；It is fixed with docking block close to the end of the shaft of first bearing seat, docking block is equipped with clamping groove far from the end face of first bearing seat, is equipped with clamping block in clamping groove, clamping block is bolted to connection with block is docked；Side close to the velocity measurement mechanisms of docking block is equipped with electric motor fixation mechanism, electric motor fixation mechanism is equipped with distance measuring sensor close to the side of velocity measurement mechanisms, its structure novel, the motor for being applicable to a variety of various sizes of rectangle casings carries out measurement of rotating speed, and it uses dual test structure, guarantees the accurate of test data.

Description

A kind of motor speed test device

Technical field

The utility model relates to electromechanical testing fields, more particularly to a kind of motor speed test device.

Background technique

In automation field, motor is a kind of common power device, one in the development of motor, production process Important task is to product test, and wherein motor speed is a wherein important parameter, carries out measurement of rotating speed needs to motor Device for testing rotating speed is used, for the existing motor for rectangular enclosure, device for testing rotating speed generally carries out unidirectional It fixes to clamp, is easy to appear during the test and shakes situation, cause test data inaccurate；And in existing test device Motor speed is measured only with a kind of test method, is easy to appear data deviation, test inaccuracy.

Utility model content

In order to overcome the drawbacks of the prior art, the technical problem to be solved by the utility model is to propose that a kind of motor turns Fast test device, structure novel, the motor for being applicable to a variety of various sizes of rectangle casings carries out measurement of rotating speed, and it is adopted With dual test structure, guarantee the accurate of test data.

For this purpose, the following technical solution is employed for the utility model:

The utility model provides a kind of motor speed test device, the survey including workbench and on the workbench Fast mechanism, the velocity measurement mechanisms include bottom plate and the guide pad set on the bottom plate bottom surface, length of the guide pad along bottom plate Direction setting, the bench top are equipped with sliding slot compatible with the guide pad, and the bottom plate passes through with the workbench The guide pad and the sliding slot are slidably matched；The width of the bottom plate is greater than the width of the sliding slot, and the two of the bottom plate Side is equipped with about the centrosymmetric tight fixed bolt for being used to fix the bottom plate of the sliding slot, and the tight fixed bolt runs through the bottom Plate and support the bench top；The plate top surface is fixed with first bearing seat and second bearing seat, the first axle It holds seat and the second bearing seat is located at the plate top surface both ends, the first bearing seat and the second bearing seat are equal Interior bearing and two bearings of being equipped be in sustained height, and shaft is provided between two bearings, and the both ends of the shaft are divided Not Guan Chuan the first bearing seat and the second bearing seat, be fixed with measure speed gears and turntable, the survey in the shaft Fast gear and the turntable are respectively positioned between the first bearing seat and the second bearing seat, and the plate top surface is fixed with Gear velocity sensor, the gear velocity sensor is located at the underface of the measure speed gears and the gear rotational speed senses The probe of device is towards the measure speed gears；The plate top surface is additionally provided with correlation type photoelectric sensor, the correlation type photoelectric transfer Sensor includes signal emitting head and signal receives head, and the signal emitting head and the signal receive head and be located at the turntable Two sides and correspond to each other, the turntable, which is equipped with, allows the correlation type photoelectric sensor to transmit the loophole that signal passes through； The docking block of column structure is fixed with close to the end of the shaft of the first bearing seat, the docking block is far from described The end face of first bearing seat is recessed inwardly to form clamping groove, and the clamping groove inner wall is equipped with a plurality of guide groove, a plurality of guiding Around the axis of the shaft, circumferentially array distribution, the side wall of the docking block are equipped with solid correspondingly with the guide groove slot Determine hole and the fixation hole from the docking block side wall is through to the clamping groove；Clamping block is equipped in the clamping groove, it is described Clamping block is adapted with the clamping groove shape, and the clamping block is recessed inwardly to be formed for matching far from the end face of the shaft The slot of motor output shaft, the outer wall of the clamping block are equipped with gib block compatible with the guide groove, on the gib block Equipped with fastening through-hole, the fastening through-hole is through to the slot from the clamping block side wall, the fastening through-hole with it is described solid Determine that bore dia is equal and position is corresponding, the holding screw for fixing motor output shaft, institute are equipped in each fastening through-hole State vertical range of the length less than the clamping block side wall to the slot hole wall of holding screw；The clamping block with it is described right Block is connect by being fixedly connected through the bolt of the guide groove and the gib block；

Side close to the velocity measurement mechanisms of the docking block is equipped with electric motor fixation mechanism, the electric motor fixation mechanism packet Frame frame is included, the frame frame includes the first transverse slat, starting stave, the second transverse slat and the second riser of successively head and the tail vertical connection, institute The lower section that the first transverse slat is located at second transverse slat is stated, the frame frame is an integral molding structure, and first transverse slat bottom surface is solid It is fixed with first hydraulic cylinder on the outside of the bench top, first transverse slat, and the first hydraulic cylinder is embedded at The bench top is fixed with second hydraulic cylinder on the outside of second transverse slat, and the is fixed on the outside of the starting stave Three hydraulic cylinders, the second riser outside are fixed with the 4th hydraulic cylinder, the first hydraulic cylinder, the second hydraulic cylinder, institute The push rod for stating third hydraulic cylinder and the 4th hydraulic cylinder runs through the frame wall of the frame frame and is located in the frame frame, and described first The push rod end of hydraulic cylinder is fixed with the first pressing plate, and the push rod end of the second hydraulic cylinder is fixed with the second pressing plate, institute The push rod end for stating third hydraulic cylinder is fixed with first clamping plate, and the push rod end of the 4th hydraulic cylinder is fixed with the second folder Plate, first pressing plate and second pressing plate are oppositely arranged, and the first clamping plate is oppositely arranged with the second clamping plate and position In the side of first pressing plate；

The side close to the velocity measurement mechanisms of the electric motor fixation mechanism is equipped with distance measuring sensor, the distance measuring sensor It is fixed on the bench top and is in together close to frame frame one end, the distance measuring sensor and the axis of the shaft One perpendicular；The bench top is also fixed with the display for showing test data, the display, the survey Away from the sensor, gear velocity sensor, the correlation type photoelectric sensor, the first hydraulic cylinder, described second hydraulic Cylinder, the third hydraulic cylinder and the 4th hydraulic cylinder are electrically connected with controller.

In the preferable technical solution of the utility model, first pressing plate top surface is set close to one end of the velocity measurement mechanisms There is blend stop, the blend stop is an integral molding structure with first pressing plate.

In the preferable technical solution of the utility model, the sliding slot is inverted T shaped groove, the guide pad and the sliding slot shape Shape is adapted and is mutually slidably matched.

In the preferable technical solution of the utility model, the clamping block is at the seamed edge of the end face of the velocity measurement mechanisms Equipped with chamfering.

The utility model has the following beneficial effects:

A kind of motor speed test device provided by the utility model, the design of structure novel, electric motor fixation mechanism make Its motor for being applicable to a variety of various sizes of rectangle casings is fixed, and first hydraulic cylinder, second hydraulic cylinder, third Cooperation between hydraulic cylinder, the 4th hydraulic cylinder, the first pressing plate, the second pressing plate, first clamping plate and second clamping plate carries out motor Multi-faceted fixation reduces shaking of motor during testing the speed, and it is hydraulic to can be changed under the cooperation of distance measuring sensor first Telescopic relation between cylinder and third hydraulic cylinder, to realize that motor is automatically positioned suitable height；And the cooperation of its turntable is to penetrating Type photoelectric sensor, measure speed gears mate gear speed probe realize dual test structure, guarantee the accurate of test data.

Detailed description of the invention

Fig. 1 is the front view for the motor speed test device that specific embodiment of the present invention provides；

Fig. 2 is the side view for the electric motor fixation mechanism that specific embodiment of the present invention provides；

Fig. 3 is the structural schematic diagram of docking block and clamping block that specific embodiment of the present invention provides.

In figure:

100, workbench；110, sliding slot；200, velocity measurement mechanisms；210, bottom plate；211, tight fixed bolt；212, gear rotational speed passes Sensor；213, correlation type photoelectric sensor；220, guide pad；230, first bearing seat；240, second bearing seat；250, shaft； 260, measure speed gears；270, turntable；271, loophole；300, block is docked；310, clamping groove；320, guide groove；330, fixation hole； 400, clamping block；410, slot；420, gib block；430, fastening through-hole；440, holding screw；500, electric motor fixation mechanism； 510, frame frame；521, the first transverse slat；522, the second transverse slat；531, starting stave；532, the second riser；541, first hydraulic cylinder； 542, second hydraulic cylinder；543, third hydraulic cylinder；544, the 4th hydraulic cylinder；551, the first pressing plate；552, the second pressing plate；553, One clamping plate；554, second clamping plate；555, blend stop；600, distance measuring sensor；700, display；800, controller.

Specific embodiment

Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.

As shown in Figure 1, disclosing a kind of motor speed test device in specific embodiment of the utility model, including work Platform 100 and the velocity measurement mechanisms 200 on the workbench 100, the velocity measurement mechanisms 200 include bottom plate 210 and are set to described The guide pad 220 of 210 bottom surface of bottom plate, the guide pad 220 are arranged along the length direction of bottom plate 210,100 top surface of workbench Equipped with sliding slot 110 compatible with the guide pad 220, the bottom plate 210 passes through the guide pad with the workbench 100 220 and the sliding slot 110 be slidably matched；The width of the bottom plate 210 is greater than the width of the sliding slot 110, and the bottom plate 210 Two sides be equipped with it is centrosymmetric for fixing the tight fixed bolt 211 of the bottom plate 210, the tightening about the sliding slot 110 Bolt 211 is through the bottom plate 210 and supports 100 top surface of workbench；210 top surface of bottom plate is fixed with first axle Seat 230 and second bearing seat 240 are held, the first bearing seat 230 and the second bearing seat 240 are located at the bottom plate Bearing is equipped in 210 top surfaces both ends, the first bearing seat 230 and the second bearing seat 240 are equal and two bearings are in Sustained height is provided with shaft 250 between two bearings, and the both ends of the shaft 250 extend through the first bearing seat 230 and the second bearing seat 240, measure speed gears 260 and turntable 270, the measure speed gears are fixed in the shaft 250 260 and the turntable 270 be respectively positioned between the first bearing seat 230 and the second bearing seat 240, the bottom plate 210 pushes up Face is fixed with gear velocity sensor 212, the gear velocity sensor 212 be located at the measure speed gears 260 underface, And the probe of the gear velocity sensor 212 is towards the measure speed gears 260；210 top surface of bottom plate is additionally provided with correlation type Photoelectric sensor 213, the correlation type photoelectric sensor 213 includes signal emitting head and signal receives head, the signal transmitting Head and the signal receive head and are located at the two sides of the turntable 270 and correspond to each other, and the turntable 270, which is equipped with, to be allowed The correlation type photoelectric sensor 213 transmits the loophole 271 that signal passes through；Close to described turn of the first bearing seat 230 The end of axis 250 is fixed with the docking block 300 of column structure, as shown in figure 3, the docking block 300 is far from the first axle The end face for holding seat 230 is recessed inwardly to form clamping groove 310, and 310 inner wall of clamping groove is equipped with a plurality of guide groove 320, a plurality of institute Axis circumferentially array distribution of the guide groove 320 around the shaft 250 is stated, the side wall of the docking block 300 is equipped with leads with described To the one-to-one fixation hole 330 of slot 320 and the fixation hole 330 from 300 side wall of docking block is through to the clamping groove 310；It is equipped with clamping block 400 in the clamping groove 310, the clamping block 400 is adapted with 310 shape of clamping groove, described Clamping block 400 is recessed inwardly the slot 410 to be formed for matching motor output shaft far from the end face of the shaft 250, the card The outer wall for connecing block 400 is equipped with gib block 420 compatible with the guide groove 320, and the gib block 420 is equipped with fastening through-hole 430, the fastening through-hole 430 is through to the slot 410 from 400 side wall of clamping block, the fastening through-hole 430 with it is described 330 diameter of fixation hole is equal and position is corresponding, is equipped in each fastening through-hole 430 for fixing the tight of motor output shaft Determine screw 440, the length of the holding screw 440 be less than 400 side wall of clamping block to 410 hole wall of slot it is vertical away from From；The clamping block 400 is with the block 300 that docks by fixing through the bolt of the guide groove 320 and the gib block 420 Connection；

Side close to the velocity measurement mechanisms 200 of the docking block 300 is equipped with electric motor fixation mechanism 500, such as Fig. 2 institute Show, the electric motor fixation mechanism 500 includes frame frame 510, and the frame frame 510 includes the first transverse slat of successively head and the tail vertical connection 521, starting stave 531, the second transverse slat 522 and the second riser 532, first transverse slat 521 are located at second transverse slat 522 Lower section, the frame frame 510 are an integral molding structure, and 100 top surface of workbench is fixed in 521 bottom surface of the first transverse slat, First hydraulic cylinder 541 is fixed on the outside of first transverse slat 521, and the first hydraulic cylinder 541 is embedded at the workbench 100 top surfaces are fixed with second hydraulic cylinder 542 on the outside of second transverse slat 522, are fixed on the outside of the starting stave 531 Third hydraulic cylinder 543, is fixed with the 4th hydraulic cylinder 544 on the outside of second riser 532, the first hydraulic cylinder 541, described The push rod of second hydraulic cylinder 542, the third hydraulic cylinder 543 and the 4th hydraulic cylinder 544 runs through the frame of the frame frame 510 Wall is located in the frame frame 510, and the push rod end of the first hydraulic cylinder 541 is fixed with the first pressing plate 551, second liquid The push rod end of cylinder pressure 542 is fixed with the second pressing plate 552, and the push rod end of the third hydraulic cylinder 543 is fixed with first Clamping plate 553, the push rod end of the 4th hydraulic cylinder 544 are fixed with second clamping plate 554, first pressing plate 551 and described Second pressing plate 552 is oppositely arranged, and the first clamping plate 553 is oppositely arranged with the second clamping plate 554 and is located at first pressure The side of plate 551；

The side close to the velocity measurement mechanisms 200 of the electric motor fixation mechanism 500 is equipped with distance measuring sensor 600, described Distance measuring sensor 600 is fixed on 100 top surface of workbench and close to described 510 one end of frame frame, the distance measuring sensor 600 Same perpendicular is in the axis of the shaft 250；100 top surface of workbench is also fixed with for showing test number According to display 700, the display 700, the distance measuring sensor 600, the gear velocity sensor 212, described pair penetrate Type photoelectric sensor 213, the first hydraulic cylinder 541, the second hydraulic cylinder 542, the third hydraulic cylinder 543 and described Four hydraulic cylinders 544 are electrically connected with controller 800.

A kind of above-mentioned motor speed test device, the design of structure novel, the electric motor fixation mechanism 500 make it can Suitable for being fixed to measured motor for a variety of various sizes of rectangle casings, and the first hydraulic cylinder 541, described second Hydraulic cylinder 542, the third hydraulic cylinder 543, the 4th hydraulic cylinder 544, first pressing plate 551, second pressing plate 552, the cooperation between the first clamping plate 553 and the second clamping plate 554 treats measured motor and has carried out multi-faceted fixation, subtracts It waits a little while,please shaking of measured motor during testing the speed, and it is hydraulic under the cooperation of the distance measuring sensor 600 to can be changed described first Telescopic relation between cylinder 541 and the third hydraulic cylinder 543 is automatically positioned suitable height to measured motor to realize；And its Described in turntable 270 cooperate the correlation type photoelectric sensor 213, the measure speed gears 260 that the gear rotational speed is cooperated to sense Device 212 realizes dual test structure, guarantees the accurate of test data.

It should be noted that the gear velocity sensor 212 is in same perpendicular with the correlation type photoelectric sensor 213 One of teeth of straight plane, the loophole 271 and the measure speed gears 260 are in same perpendicular and are respectively positioned on The same side of the shaft 250；The restriction ensure that once to be positioned when adjusting contraposition, it is only necessary to adjust the turntable 270 and institute The position for stating correlation type photoelectric sensor 213 can determine to the greatest extent the measure speed gears 260 and the gear velocity sensor 212 simultaneously Between position, simplify the process of preparation of testing the speed, improve test bulk velocity.

More specifically, when treating measured motor and being tested the speed, it will be put in the frame frame 510 and set to measured motor first In 551 top surface of the first pressing plate, then the clamping block 400 is fixed on by the holding screw 440 to measured motor On output shaft, starting device, the distance measuring sensor 600 detects its distance for arriving the clamping block 400, the controller 800 The flexible situation that control adjusts the first hydraulic cylinder 541 is moved to so that being moved to suitable position to measured motor to measured motor After suitable location, the second hydraulic cylinder 542, the third hydraulic cylinder 543 and the 4th hydraulic cylinder 544 start and treat Measured motor realizes multi-faceted fixation；Then the velocity measurement mechanisms 200 are pushed manually, so that the docking block 300 and the card It connects block 400 to complete to be engaged by clamping and be bolted, the tight fixed bolt 211 is and then tightened, by the velocity measurement mechanisms 200 position locking；It next is exactly to adjust the position of the turntable 270 and the correlation type photoelectric sensor 213 and described The position of measure speed gears 260 and the gear velocity sensor 212, finally for it is to be measured connect electricity and start, to measured motor rotation one After fixing time, the correlation type photoelectric sensor 213 is with 212 detection data of gear velocity sensor in the display It is shown on 700, completes the test of motor speed to be measured.

It should be noted that the external structure of the clamping block 400 is certain, but the slot 410 can set plurality of specifications, It is sized the size that the different slot 410 of diameter can make the clamping block 400 meet a variety of motor output shafts to be measured, from And improve the applicability of the utility model.

Further, 551 top surface of the first pressing plate is equipped with blend stop 555 close to one end of the velocity measurement mechanisms 200, described Blend stop 555 is an integral molding structure with first pressing plate 551；When measured motor when being fixedly mounted, it will be put first to measured motor In in the frame frame 510 and being placed in 551 top surface of the first pressing plate, and then push makes it support the blend stop to measured motor 555, realize Primary Location.

Further, the sliding slot 110 be inverted T shaped groove, the guide pad 220 be adapted with 110 shape of sliding slot and Mutually it is slidably matched；The sliding slot 110 carries out movement for the velocity measurement mechanisms 200 and provides guiding role, can be prevented using inverted T shaped groove Only the velocity measurement mechanisms 200 guide pad 220 described in moving process is detached from the sliding slot 110, and can reduce the guiding Gap between block 220 and the sliding slot 110 is further reduced the shaking of the velocity measurement mechanisms 200 at work.

Further, the clamping block 400 is equipped with chamfering at the seamed edge of the end face of the velocity measurement mechanisms 200；It is described Clamping block 400 is to measured motor and the intermediate connector for docking block 300 and realizing connection, and replacement one is equal to measured motor every time It needing to complete once to dock, the design of the chamfering can be smoothly inserted into the clamping groove 310 convenient for the clamping block 400, and It completes to fix by bolt, easy for installation, the shortening time, to improve production efficiency.

The utility model is described with reference to the preferred embodiments, and those skilled in the art know, is not departing from this reality In the case where with novel spirit and scope, various changes or equivalence replacement can be carried out to these features and embodiment.This reality It is not limited to the particular embodiment disclosed with novel, other embodiments fallen into claims hereof all belong to In the range of the utility model protection.

Claims

1. a kind of motor speed test device, it is characterised in that:

Including workbench (100) and the velocity measurement mechanisms (200) being set on the workbench (100), velocity measurement mechanisms (200) packet The guide pad (220) for including bottom plate (210) and being set to the bottom plate (210) bottom surface, the guide pad (220) is along bottom plate (210) Length direction setting, workbench (100) top surface are equipped with the guide pad (220) compatible sliding slot (110), the bottom Plate (210) is slidably matched with the workbench (100) by the guide pad (220) and the sliding slot (110)；The bottom plate (210) width is greater than the width of the sliding slot (110), and the two sides of the bottom plate (210) are equipped with about the sliding slot (110) The centrosymmetric tight fixed bolt (211) for being used to fix the bottom plate (210), the tight fixed bolt (211) run through the bottom plate (210) and the workbench (100) top surface is supported；Bottom plate (210) top surface is fixed with first bearing seat (230) and Two bearing bracket (240), the first bearing seat (230) and the second bearing seat (240) are located at the bottom plate (210) top Bearing is equipped in face both ends, the first bearing seat (230) and the second bearing seat (240) are equal and two bearings are in Sustained height is provided with shaft (250) between two bearings, and the both ends of the shaft (250) extend through the first axle Seat (230) and the second bearing seat (240) are held, is fixed with measure speed gears (260) and turntable on the shaft (250) (270), the measure speed gears (260) and the turntable (270) are respectively positioned on the first bearing seat (230) and the second bearing Between seat (240), bottom plate (210) top surface is fixed with gear velocity sensor (212), the gear velocity sensor (212) positioned at the underface of the measure speed gears (260) and the probe of the gear velocity sensor (212) is towards the survey Fast gear (260)；Bottom plate (210) top surface is additionally provided with correlation type photoelectric sensor (213), the correlation type photoelectric sensor It (213) include that signal emitting head and signal receive head, the signal emitting head and the signal receive head and be located at described turn It the two sides of disk (270) and corresponds to each other, the turntable (270), which is equipped with, allows the correlation type photoelectric sensor (213) to transmit The loophole (271) that signal passes through；End close to the shaft (250) of the first bearing seat (230) is fixed with column The docking block (300) of shape structure, docking block (300) are recessed inwardly to be formed far from the end face of the first bearing seat (230) Clamping groove (310), clamping groove (310) inner wall are equipped with a plurality of guide groove (320), and a plurality of guide groove (320) is around described Circumferentially array distribution, the side wall of docking block (300) are equipped with the guide groove (320) one by one the axis of shaft (250) Corresponding fixation hole (330) and the fixation hole (330) are through to the clamping groove from docking block (300) side wall (310)；Clamping block (400), the clamping block (400) and the clamping groove (310) shape phase are equipped in the clamping groove (310) Adaptation, the clamping block (400) are recessed inwardly the slot to be formed for matching motor output shaft far from the end face of the shaft (250) Hole (410), the outer wall of the clamping block (400) is equipped with the guide groove (320) compatible gib block (420), described to lead Fastening through-hole (430) are equipped with to item (420), the fastening through-hole (430) is through to described from the clamping block (400) side wall Slot (410), the fastening through-hole (430) is equal with the fixation hole (330) diameter and position is corresponding, each fastening The holding screw (440) for fixing motor output shaft is equipped in through-hole (430), the length of the holding screw (440) is less than Vertical range of clamping block (400) side wall to the slot (410) hole wall；The clamping block (400) docks block with described (300) by being fixedly connected through the bolt of the guide groove (320) and the gib block (420)；

Side close to the velocity measurement mechanisms (200) of docking block (300) is equipped with electric motor fixation mechanism (500), the electricity Machine fixed mechanism (500) includes frame frame (510), and the frame frame (510) includes the first transverse slat of successively head and the tail vertical connection (521), starting stave (531), the second transverse slat (522) and the second riser (532), first transverse slat (521) are located at described the The lower section of two transverse slats (522), the frame frame (510) are an integral molding structure, and institute is fixed in first transverse slat (521) bottom surface It states workbench (100) top surface, is fixed with first hydraulic cylinder (541) on the outside of first transverse slat (521), and is described first hydraulic Cylinder (541) is embedded at the workbench (100) top surface, is fixed with second hydraulic cylinder on the outside of second transverse slat (522) (542), it is fixed with third hydraulic cylinder (543) on the outside of the starting stave (531), it is fixed on the outside of second riser (532) Equipped with the 4th hydraulic cylinder (544), the first hydraulic cylinder (541), the second hydraulic cylinder (542), the third hydraulic cylinder (543) and the push rod of the 4th hydraulic cylinder (544) runs through the frame wall of the frame frame (510) and is located in the frame frame (510), The push rod end of the first hydraulic cylinder (541) is fixed with the first pressing plate (551), the push rod of the second hydraulic cylinder (542) End is fixed with the second pressing plate (552), and the push rod end of the third hydraulic cylinder (543) is fixed with first clamping plate (553), The push rod end of 4th hydraulic cylinder (544) is fixed with second clamping plate (554), first pressing plate (551) and described Two pressing plates (552) are oppositely arranged, and the first clamping plate (553) and the second clamping plate (554) are oppositely arranged and are located at described the The side of one pressing plate (551)；

The side close to the velocity measurement mechanisms (200) of the electric motor fixation mechanism (500) is equipped with distance measuring sensor (600), institute It states distance measuring sensor (600) and is fixed on the workbench (100) top surface and close to described frame frame (510) one end, the ranging biography Sensor (600) and the axis of the shaft (250) are in same perpendicular；Workbench (100) top surface is also fixed with For showing that the display (700) of test data, the display (700), the distance measuring sensor (600), the gear turn Fast sensor (212), the correlation type photoelectric sensor (213), the first hydraulic cylinder (541), the second hydraulic cylinder (542), the third hydraulic cylinder (543) and the 4th hydraulic cylinder (544) electrically connect with controller (800).

2. a kind of motor speed test device according to claim 1, it is characterised in that:

First pressing plate (551) top surface is equipped with blend stop (555) close to one end of the velocity measurement mechanisms (200), the blend stop (555) it is an integral molding structure with first pressing plate (551).

3. a kind of motor speed test device according to claim 1, it is characterised in that:

The sliding slot (110) is inverted T shaped groove, and the guide pad (220) is adapted with the sliding slot (110) shape and mutually slides Dynamic cooperation.

4. a kind of motor speed test device according to claim 1, it is characterised in that:

The clamping block (400) is equipped with chamfering at the seamed edge of the end face of the velocity measurement mechanisms (200).