CN110455533A - A kind of vertical closing simply connected Hooks coupling universal coupling efficiency test device - Google Patents
A kind of vertical closing simply connected Hooks coupling universal coupling efficiency test device Download PDFInfo
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- CN110455533A CN110455533A CN201910889073.3A CN201910889073A CN110455533A CN 110455533 A CN110455533 A CN 110455533A CN 201910889073 A CN201910889073 A CN 201910889073A CN 110455533 A CN110455533 A CN 110455533A
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- 238000012360 testing method Methods 0.000 title claims abstract description 82
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- 229910000831 Steel Inorganic materials 0.000 claims description 16
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- 238000012545 processing Methods 0.000 claims description 5
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/022—Power-transmitting couplings or clutches
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/025—Test-benches with rotational drive means and loading means; Load or drive simulation
- G01M13/026—Test-benches of the mechanical closed-loop type, i.e. having a gear system constituting a closed-loop in combination with the object under test
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Abstract
The present invention relates to a kind of vertical closing simply connected Hooks coupling universal coupling efficiency test devices, comprising: power device, test device, torque loading device, vertical angle adjustment device and cabinet；Power device includes: motor I, multi-diameter shaft I, shifting slide gear, shift fork, connecting rod I, crank, multi-diameter shaft II and motor II；Test device includes: multi-diameter shaft III, roller gear I, roller gear II, torque sensor I, Hooks coupling universal coupling I and torque sensor II；Torque loading device includes: multi-diameter shaft IV, roller gear III, roller gear IV and suitable inverse friction speed clutch I, vertical angle adjustment device includes: that rocker, multi-diameter shaft V, roller gear V, Hooks coupling universal coupling II, multi-diameter shaft VI, roller gear VI, suitable inverse friction speed clutch II, connecting rod II, crankshaft, bevel gear, bevel gear shaft and motor III, cabinet include: upper box and lower box；Remarkable advantage with low in energy consumption, easy to operate, high degree of automation, the electrodeless angular adjustment of Hooks coupling universal coupling.
Description
Technical field
The present invention relates to Hooks coupling universal coupling efficiency test fields, and it is universal to concretely relate to a kind of vertical closing simply connected
Axis device efficiency test device.
Background technique
Currently, usually being carried out in such a way that artificial and increasing is loaded, manually in Hooks coupling universal coupling efficiency test field
Hooks coupling universal coupling efficiency test is carried out, error is larger, and it is time-consuming more, it is tested in such a way that increasing is loaded, there is consumption
The disadvantages of energy is high, inconvenient for operation, angular adjustment series is few；In addition angle adjustment device uses plane rocking, such as Figure 12 knot
Structure schematic diagram, when angular deflection occurs, the distance of a and b are different, so that the parallel spacing in entire circuit is changed, lead to gear
It can not engage, can not normally be driven, or carry out plane regulating using flexible, there is error in this way, cause transmission accuracy low.In order to
Overcome these difficulties, the present invention provides a kind of vertical closing simply connected Hooks coupling universal coupling efficiency test devices, have low in energy consumption, behaviour
The advantages that making simple, high degree of automation, Hooks coupling universal coupling electrodeless angular adjustment.
Summary of the invention
Problem to be solved by this invention, which is how to realize, reduces power consumption, simple operations, high degree of automation, universal
The functions such as the electrodeless angular adjustment of axis device.
In order to achieve the above objectives, the technical solution adopted in the present invention is as follows:
A kind of vertical closing simply connected Hooks coupling universal coupling efficiency test device, comprising: power device, test device, torque add
It carries and sets, vertical angle adjustment device, cabinet；The power device is connected by bearing block with the cabinet, therein described
The shifting slide gear of power device passes through sliding and the circle in the roller gear I and the torque loading device in the test device
Stud wheel III is meshed；The test device is connected by bearing block with the cabinet, and the test device passes through roller gear
II is connected with the roller gear IV in the torque loading device, and the Hooks coupling universal coupling I in the test device passes through rigidity connection
Axis device is connected with the multi-diameter shaft V in the vertical angle adjustment device；The torque loading device passes through bearing block and the case
Body is connected, and passes through positive coupling and the vertical angle along inverse friction speed clutch I output shaft in the torque loading device
The input shaft of Hooks coupling universal coupling II in regulating device is connected；Rocker in the vertical angle adjustment device passes through small multi-diameter shaft
It is connected with the cabinet, the crankshaft in the vertical angle adjustment device is connected by bearing block with the cabinet, described vertical
Motor III in angle adjustment device is fixed by bolts on the cabinet；The test device, the torque loading device and
It is connected with each other between the vertical angle adjustment device, constitutes a loop；The torque loading device passes through entire circuit
The method of pretorque replaces the load of tested simply connected tripod type universal coupling to apply；The cabinet is fixed on foundation bolt
On ground.
Further, the power device includes: motor I, multi-diameter shaft I, shifting slide gear, shift fork, connecting rod I, crank, ladder
Axis II, motor II；The motor I is connected by positive coupling with the multi-diameter shaft I, and the motor I is bolted on
On the cabinet；The shifting slide gear is mounted in the keyway on the multi-diameter shaft I by feather key, is realized and is made axial slide along keyway
It is dynamic；The multi-diameter shaft I is fixed on the wall box by bearing block；One end of the shift fork is mounted on the shifting slide gear
Slot at, the hole of the other end covers on the crossbeam being connected with the cabinet, and the shift fork bar portion processes one section of cylindrical surface, described
Connecting rod I both ends semicircle is connected with bar in the middle part of connecting rod, and bushing is housed in connecting hole, and a connecting hole passes through on the shift fork
Cylindrical surface be connected with the shift fork, and circumferential unfettered, there is a through-hole at the crank both ends, and a through-hole passes through small
Multi-diameter shaft is connected with another connecting hole of the connecting rod I, and the connecting rod I is fixed on the small multi-diameter shaft, no relative motion, institute
Crank empty set is stated on the small multi-diameter shaft, another through-hole of the crank by the multi-diameter shaft II and positive coupling with it is described
Motor II is connected, and the multi-diameter shaft II is fixed on the cabinet by bearing block, and the motor II is bolted on institute
It states on the bottom of cabinet, the shift fork, the connecting rod I and the crank form slider-crank mechanism, and the shifting slide gear is in institute
Under the drive for stating shift fork, it is axially moveable in the splined portion of the multi-diameter shaft I；When wanting pretorque, the motor II turns
It is dynamic, drive the crank and the connecting rod I to rotate, thus drive the shift fork and the shifting slide gear mobile, the sliding tooth
Wheel is meshed with the roller gear III in the torque loading device, and the motor I starts, and drives the multi-diameter shaft I and described
Shifting slide gear rotation when reaching torque demand, closes the motor I to realize the pretorque in shafting；When being tested
When test, the motor II rotation drives the crank and the connecting rod I to rotate, to drive the shift fork and the sliding
Gear is mobile, and the shifting slide gear is meshed with the roller gear I in the test device, opens the motor I, described in drive
Multi-diameter shaft I and shifting slide gear rotation at the end of test, are closed so that the multi-diameter shaft I in the test device be driven to rotate
The motor I.
Further, the test device includes: multi-diameter shaft III, roller gear I, roller gear II, torque sensor I,
Hooks coupling universal coupling I, torque sensor II；The multi-diameter shaft III is connected by bearing block with the side wall of the cabinet；The cylinder
Gear I axial direction one end is positioned with the multi-diameter shaft III shaft shoulder, and circumferential to be positioned with key, the roller gear I other end passes through axle sleeve
It is positioned with bearing block, described roller gear II axial direction one end is positioned with the multi-diameter shaft III collar, other end double nut pressure
Tightly, circumferential to be connect with key with the multi-diameter shaft III；The input shaft that the torque sensor I measures the Hooks coupling universal coupling I is turned round
Square, the one end the torque sensor I are connected by positive coupling with the multi-diameter shaft III, and the other end utilizes positive coupling
It is connected with the input shaft of the Hooks coupling universal coupling I；The Hooks coupling universal coupling I is tested Hooks coupling universal coupling, is suitble to any one
Kind Hooks coupling universal coupling, here by taking tripod type universal coupling as an example, input shaft and output shaft are solid shafting, output shaft rigidity
Shaft coupling is connected with the torque sensor II；The torque sensor II measures the output shaft torque of the Hooks coupling universal coupling I,
The torque sensor II other end is connected by positive coupling with the multi-diameter shaft V in the vertical angle adjustment device；When
When test starts, the shifting slide gear in the power device is meshed and rotates with the roller gear I, the roller gear I
It drives the multi-diameter shaft III to rotate, so that the axis in the torque sensor I be driven to rotate, it is defeated to carry out the Hooks coupling universal coupling I
Enter the measurement of axis torque, the Hooks coupling universal coupling I is rotated with the multi-diameter shaft III, then drives the torque sensor II
Axis rotation, measure the torque of the Hooks coupling universal coupling I output shaft, the Hooks coupling universal coupling I output shaft end and input shaft end are equal
Equipped with infrared velocity sensor, the revolving speed of input shaft and output shaft is measured respectively, respectively multiplies the torque of input shaft and output shaft
With its revolving speed, the power of input shaft and output shaft is respectively obtained by programming, using output shaft power divided by the power of input shaft,
To obtain the efficiency of the Hooks coupling universal coupling I；Meanwhile the multi-diameter shaft III drives the roller gear II rotation, thus
The roller gear IV in the torque loading device is driven to rotate.
Further, the torque loading device includes: multi-diameter shaft IV, roller gear III, roller gear IV, along inverse different
Speed clutch I；The multi-diameter shaft IV is connected by bearing block with the side wall of the cabinet；Described roller gear III axial direction one end
It is positioned with the multi-diameter shaft IV shaft shoulder, circumferential to be positioned with key, the roller gear III other end is fixed with bearing block by axle sleeve
Position, described roller gear IV axial direction one end position with the multi-diameter shaft IV collar, and the other end is compressed with double nut, it is circumferential use key and
The multi-diameter shaft IV connection, the roller gear IV are meshed with the roller gear II in the test device；It is described suitable inverse different
Speed clutch I produces relative rotation for two between centers, and input shaft is hollow shaft, covers on the multi-diameter shaft IV, axially uses the shaft shoulder
Positioning, circumferential to be positioned with key, output shaft is solid shafting, with universal in positive coupling and the vertical angle adjustment device
The input shaft of axis device II is connected；Shifting slide gear and the torque loading device when wanting pretorque, in the power device
In roller gear III be meshed, the motor I is opened, and the shifting slide gear drives the roller gear III rotation, thus
The multi-diameter shaft III is driven to rotate, the input shaft of the suitable inverse friction speed clutch I described at this time dallies in output shaft, and output shaft is quiet
Only, output shaft is connected by the vertical angle adjustment device with the output shaft of the Hooks coupling universal coupling I in the test device, and
Static, the input shaft of the suitable inverse friction speed clutch I passes through roller gear II in the roller gear III and the test device
It connect with multi-diameter shaft III, is then connected by positive coupling with the input shaft of the Hooks coupling universal coupling I, and rotate, to make
Certain torque is generated between the Hooks coupling universal coupling I input shaft and output shaft, is realized using the torque of generation described universal
The load of axis device I applies, and the torque sensor I in the test device shows the numerical value of pretorque, when reaching predetermined value
When, close the motor I；When tested, the roller gear II drives the roller gear IV rotation, to drive the rank
Terraced axis IV rotation, then drives the ratchet wheel, the outer ring rotating in the suitable inverse friction speed clutch I, described in final drive
Multi-diameter shaft VI rotation in vertical angle adjustment device.
Further, the vertical angle adjustment device includes: rocker, multi-diameter shaft V, roller gear V, Hooks coupling universal coupling
II, multi-diameter shaft VI, roller gear VI, along inverse friction speed clutch II, connecting rod II, crankshaft, bevel gear, bevel gear shaft, motor III；
The rocker is a L-type right angle steel plate, wherein a planar horizontal, another plane is perpendicular to the tank floor, level right angle face
A set square is respectively welded at both ends, and the thickness of set square is equal with right angle steel plate thickness, and one is respectively processed on two set squares and is led to
Hole, the two through hole line of centres and the multi-diameter shaft V and the multi-diameter shaft VI are parallel, close to the torque loading device along inverse
The axis and Hooks coupling universal coupling I and the universal joint shaft in the test device of the set square through-hole of the side friction speed clutch I
On the same line, this end set square through-hole covers on a small multi-diameter shaft at the center of device II, passes through the axis of rolling on small multi-diameter shaft
It holds and is connected with the tank floor, be circumferentially keyed on small multi-diameter shaft, the rocker realizes that the axis around small multi-diameter shaft turns
It is dynamic；The multi-diameter shaft V is connected by the bearing block right-angle surface with the cabinet base vertical with the rocker；The roller gear
V axial direction one end is positioned with the multi-diameter shaft V collar, circumferential to be positioned with key, and the roller gear V other end is fixed by double nut
Position；The Hooks coupling universal coupling II and Hooks coupling universal coupling I of the test device is identical shaft coupling, selects triadius type ten thousand
To shaft coupling, the Hooks coupling universal coupling II realize with the synchronous angle change of the Hooks coupling universal coupling I, with the Hooks coupling universal coupling
I output shaft has equal transient speed, prevents the roller gear V and the mutual interference and collision of roller gear VI, and described ten thousand
It is connected to the output shaft of shaft coupling II by positive coupling with the multi-diameter shaft VI；The multi-diameter shaft VI passes through bearing block and institute
It states rocker to be vertically connected with the right-angle surface of the cabinet base, and in the underface of the multi-diameter shaft V, the multi-diameter shaft V and institute
The axis for stating multi-diameter shaft VI is parallel, and the plane where two axial lines is parallel to the vertical right-angle surface of the rocker；The Cylinder Gear
Wheel VI axial direction one end is positioned with the multi-diameter shaft VI collar, circumferential to be positioned with key, and the roller gear VI other end passes through double spiral shells
Mother's positioning；The suitable inverse friction speed clutch II and the suitable inverse friction speed clutch I structure are essentially equal, input shaft and output shaft tune
It changes, the multi-diameter shaft VI is static and rotation for controlling by the suitable inverse friction speed clutch II, and input shaft is solid shafting, with rigid
Axis device is connected with the multi-diameter shaft VI, and output sleeve is axial to be positioned with the shaft shoulder on a small multi-diameter shaft, circumferential to be positioned with key, should
It is connect with key with bearing block on small another shaft part of multi-diameter shaft, which is bolted on the rocker horizontal plane, described
It is motionless always along the output shaft of inverse friction speed clutch II；The both ends the connecting rod II process a through-hole, and wherein one end through-hole passes through
One small multi-diameter shaft is connected with the through-hole on another set square on the distant plate horizontal plane；The crankshaft by bearing block with it is described
Cabinet is connected, and the crank spindle axis is vertical with the plane where the cabinet base, crank section and institute in the crankshaft
The other end through-hole for stating connecting rod II is connected, and connecting rod crank end axis along the crankshaft rotates；The bevel gear is mounted on
On the crankshaft, axial one end is positioned with the crank spindle shaft shoulder, and the other end is compressed with shaft end ring, circumferential to be positioned with key,
The crankshaft, the connecting rod II and the rocker form crank and rocker mechanism；Bevel gear part and institute on the bevel gear shaft
It states bevel gear to be meshed, the bevel gear shaft is connect by bearing block with the bottom of box；The motor III by bolt with
The cabinet is connected, and the motor III is connected by positive coupling with the bevel gear shaft；When adjusting the universal joint shaft
When device I angle, the motor I of the power device and the motor II stop, and the motor III is opened, and drive the bevel gear
Axis, the shaft gear and the crank rotation then drive the rocker with institute so that the connecting rod II be driven to make plane motion
The center for stating the Hooks coupling universal coupling I and Hooks coupling universal coupling II is rotation center, according to certain angle swinging, the multi-diameter shaft
V and the multi-diameter shaft VI arrange vertically, solve horizontal arrangement swing when, cause entire circuit spacing to change, make gear without
The problem of method engages, realizes the purpose of the electrodeless angular adjustment of Hooks coupling universal coupling I；When wanting pretorque, the motor III
It closes, the motor I is opened, and drives the Hooks coupling universal coupling I input shaft to rotate, input shaft in the suitable inverse friction speed clutch II
It is static with output shaft synchronous, make the multi-diameter shaft VI, the roller gear VI, the roller gear V and the multi-diameter shaft V and institute
The output shaft for stating Hooks coupling universal coupling I is static, makes to produce relative rotation between the Hooks coupling universal coupling I input shaft and output shaft,
Pretorque is equivalent on entire circuit and is applied with load, eliminates original brake and drives the electricity of brake operation
Energy-efficient purpose is realized in the work of machine；When tested, the suitable inverse friction speed clutch II output shaft is static, and input shaft is with described
Multi-diameter shaft VI rotation, the Hooks coupling universal coupling I, the Hooks coupling universal coupling II, the multi-diameter shaft VI, the roller gear VI, institute
The multi-diameter shaft V and roller gear V is stated to rotate synchronously.
Further, the cabinet includes: upper box and lower box, and casting is processed, and the upper box is bolted
On the lower box, the power device, the test device, the torque loading device and the vertical angular adjustment dress
It sets in the cabinet, operation panel is installed on the lower box, the motor I, the motor II are installed on operation panel
With the switch of the motor III, easy to operate effect is realized, the Hooks coupling universal coupling I and the Hooks coupling universal coupling II are installed
When, bolt is removed, the upper box is opened；When work, the upper box is connected by bolt with the lower box.
Further, the suitable inverse friction speed clutch I includes: ratchet wheel, outer ring, steel ball, spring spindle and retaining ring；The pawl
Wheel is an annulus material, a facet is internally milled from the outer ring, then vertical plane is milled and is put down, and bores a blind hole, with circle
Ring axis is often rotated by 90 °, and processing is primary, is processed four times altogether, and the ratchet wheel and a hollow cylinder weld, axis alignment, open circles
Keyway is processed inside column；The spring spindle is installed in the blind hole of the ratchet wheel, and spring and blind via bottom weld, spring top
Weld cylinder ejector rod；The steel ball size is equal to be processed between plane intersection line and the outer ring on ratchet wheel processing vertical plane
Distance, the steel ball is clipped between the ratchet wheel, the spring spindle and the outer ring, with the mandril in the spring spindle
Welding；The outer ring internal diameter is slightly larger than the ratchet wheel outer diameter, and the outer ring and a solid step axis weld, and axis alignment is described
Outer ring empty set is on the outside of the ratchet wheel, axis alignment；The retaining ring is an annulus, and annulus outer diameter is equal with the outer ring outer diameter,
The distance between internal diameter and outer diameter are slightly larger than the diameter of the steel ball, are connected between the retaining ring and the outer ring, prevent
The suitable inverse friction speed clutch I is thrown away when only the steel ball rotates；The suitable inverse friction speed clutch I passes through the ratchet wheel and described
Outer ring speed is different, to adjust and the steering of the suitable inverse friction speed clutch I axis being connected and revolving speed.
The beneficial effects of the present invention are: the vertical closing simply connected Hooks coupling universal coupling efficiency test device of one kind of the invention, In
It in experiment, is connected with each other between the test device, the torque loading device and the vertical angle adjustment device, constitutes one
Loop replaces load using the method for pretorque, realizes the purpose of small power consumption；When Hooks coupling universal coupling I will change angle
When, motor III is opened, and drives bevel gear shaft, bevel gear and crank rotation, so that connecting rod II be driven to be translatable, finally drives rocker
The purpose of Hooks coupling universal coupling I and Hooks coupling universal coupling II electrodeless adjustment angle, the multi-diameter shaft V and the multi-diameter shaft are realized in rotation
VI arranges vertically, when being able to solve horizontal arrangement swing, the problem of causing entire circuit not parallel, engage gear can not；When
When Hooks coupling universal coupling I wants pretorque, shifting slide gear is engaged with roller gear III, and the motor I is opened, and drives multi-diameter shaft III
It with multi-diameter shaft II, dallies along inverse friction speed clutch I input shaft, the Hooks coupling universal coupling I input shaft is driven to rotate, it is described along inverse different
Speed clutch II input shaft and output shaft are static, make the multi-diameter shaft VI, the roller gear VI, the roller gear V and
The output shaft of the multi-diameter shaft V and the Hooks coupling universal coupling I are static, make the Hooks coupling universal coupling I input shaft and output shaft it
Between produce relative rotation, realize the purpose of automatic pretorque；When tested, shifting slide gear is engaged with roller gear I, motor I
It opens, drives multi-diameter shaft I, multi-diameter shaft II and multi-diameter shaft III rotation, drive output shaft rotation along inverse friction speed clutch I input shaft,
To drive multi-diameter shaft VI and multi-diameter shaft V to rotate synchronously, dally along inverse friction speed clutch II input shaft, torque sensor I and torsion
Square sensor II measures torque, and torque is divided by, and realizes the purpose of measurement Hooks coupling universal coupling efficiency.
Detailed description of the invention
A kind of Fig. 1: vertical closing simply connected Hooks coupling universal coupling efficiency test device perspective view of the present invention；
A kind of Fig. 2: vertical closing simply connected Hooks coupling universal coupling efficiency test device main view of the present invention；
A kind of Fig. 3: vertical closing simply connected Hooks coupling universal coupling efficiency test device top view of the present invention；
A kind of Fig. 4: vertical closing simply connected Hooks coupling universal coupling efficiency test device power device main view of the present invention；
A kind of Fig. 5: vertical closing simply connected Hooks coupling universal coupling efficiency test device power device main view of the present invention；
A kind of Fig. 6: vertical closing simply connected Hooks coupling universal coupling efficiency test device test device main view of the present invention；
A kind of Fig. 7: vertical closing simply connected Hooks coupling universal coupling efficiency test device torque loading device main view of the present invention；
A kind of Fig. 8: vertical vertical angle adjustment device main view of closing simply connected Hooks coupling universal coupling efficiency test device of the present invention
Figure；
Fig. 9: a kind of vertical vertical angle adjustment device of closing simply connected Hooks coupling universal coupling efficiency test device of the present invention is overlooked
Figure；
Figure 10: a kind of vertical closing simply connected Hooks coupling universal coupling efficiency test device of the present invention is along inverse friction speed clutch I section
Figure；
Figure 11: a kind of vertical closing simply connected Hooks coupling universal coupling efficiency test device of the present invention is along the inverse part friction speed clutch I
View；
Figure 12: structure diagram when loop angle adjusts；
In figure: 1- power device, 2- test device, 3- torque loading device, the vertical angle adjustment device of 4-, 5- cabinet,
11- motor I, 12- multi-diameter shaft I, 13- shifting slide gear, 14- shift fork, 15- connecting rod I, 16- crank, 17- multi-diameter shaft II, 18- motor
II, 21- multi-diameter shaft III, 22- roller gear I, 23- roller gear II, 24- torque sensor I, 25- Hooks coupling universal coupling I, 26-
Torque sensor II, 31- multi-diameter shaft IV, 32- roller gear III, 33- roller gear IV, 34- is along inverse friction speed clutch I, 401-
Rocker, 402- multi-diameter shaft V, 403- roller gear V, 404- Hooks coupling universal coupling II, 405- multi-diameter shaft VI, 406- roller gear VI,
407- along inverse friction speed clutch II, 408- connecting rod II, 409- crankshaft, 410- bevel gear, 411- bevel gear shaft, 412- motor III,
51- upper box, 52- lower box, 341- ratchet wheel, the outer ring 342-, 343- steel ball, 344- spring spindle, 345- retaining ring.
Specific embodiment
Specific implementation of the invention is further described with reference to the accompanying drawing.
As shown in Fig. 1,2,3,4,5,6,7,8,9,10,11 and 12, a kind of vertical closing simply connected Hooks coupling universal coupling efficiency survey
Trial assembly is set, comprising: power device 1, test device 2, torque loading device 3, vertical angle adjustment device 4 and cabinet 5；It is described dynamic
Power device 1, comprising: motor I11, multi-diameter shaft I12, shifting slide gear 13, shift fork 14, connecting rod I15, crank 16, multi-diameter shaft II17 and
Motor II18；The test device 2, comprising: multi-diameter shaft III21, roller gear I22, roller gear II23, torque sensor
I24, Hooks coupling universal coupling I25 and torque sensor II26；The torque loading device 3 includes: multi-diameter shaft IV31, roller gear
III32, roller gear IV33 and suitable inverse friction speed clutch I34；The vertical angle adjustment device 4 includes: rocker 401, ladder
Axis V402, roller gear V403, Hooks coupling universal coupling II404, multi-diameter shaft VI405, roller gear VI406, suitable inverse friction speed clutch
II407, connecting rod II408, crankshaft 409, bevel gear 410, bevel gear shaft 411 and motor III412；The cabinet 5, comprising: top box
Body 51 and lower box 52；The suitable inverse friction speed clutch I34, comprising: ratchet wheel 341, outer ring 342, steel ball 343, spring spindle 344
With retaining ring 345；The power device 1 is connected by bearing block with the cabinet 5, the shifting slide gear therein by sliding and
The roller gear I in the test device 2 or the roller gear III in the torque loading device 3 are meshed；Institute
It states test device 2 to be connected by bearing block with the cabinet 5, the test device 2 is added by the gear II with the torque
Carry and set the gear IV in 3 and be connected, the Hooks coupling universal coupling I in the test device 2 with by positive coupling with
The multi-diameter shaft V in the vertical angle adjustment device 4 is connected；The torque loading device 3 passes through bearing block and the case
Body 5 is connected, and the suitable inverse friction speed clutch I output shaft in the torque loading device 3 is stood by positive coupling with described
The axis of the Hooks coupling universal coupling II in formula angle adjustment device 4 is connected；The swing in the vertical angle adjustment device 4
Pedestal is connected by multi-diameter shaft with the cabinet 5, and the crankshaft in the vertical angle adjustment device 4 passes through bearing block and institute
It states cabinet 5 to be connected, the motor III in the vertical angle adjustment device 4 is fixed by bolts on the cabinet 5；It is described
It is connected with each other between test device 2, the torque loading device 3 and the vertical angle adjustment device 4, constitutes one and close back
Road replaces load using the method for pretorque, realizes the effect of small power consumption；The cabinet 5 is fixed on ground with foundation bolt
On, the upper box 51 is bolted on the lower box 52.
As shown in Fig. 1,2,3,4,5,6,7,8,9,10,11 and 12, a kind of vertical closing simply connected Hooks coupling universal coupling efficiency survey
The working method that trial assembly is set is: in an experiment, the test device, the torque loading device and the vertical angular adjustment dress
It is connected with each other between setting, constitutes a loop, replaced load using the method for pretorque, realize the effect of small power consumption；When
When adjusting the Hooks coupling universal coupling I25 angle, the motor I11 and the motor II18 stop, and the motor III412 is opened
It opens, the bevel gear shaft 411, the shaft gear 410 and the crankshaft 409 is driven to rotate, so that the connecting rod II408 be driven to make
Plane motion then drives the rocker 401 to wave according to certain angle, realizes the Hooks coupling universal coupling I25 angle change,
Realize the function of the electrodeless angular adjustment of Hooks coupling universal coupling I25；It is described in the power device 1 when wanting pretorque
Shifting slide gear 13 is meshed with the roller gear III32 in the torque loading device 3, and the motor I11 is opened, described
Shifting slide gear 13 drives the roller gear III32 to rotate, so that the multi-diameter shaft III21 is driven to rotate, it is described at this time along inverse
The input shaft of friction speed clutch I34 dallies in output shaft, and output shaft is static, and output shaft passes through the vertical angle adjustment device
4 are connected with the output shaft of the Hooks coupling universal coupling I25 in the test device 2, and static, the suitable inverse friction speed clutch
The input shaft phase that the input shaft of I34 passes through the roller gear III32 and the test device and the Hooks coupling universal coupling I25
Even, and rotate, the input shaft and output shaft synchronous of the suitable inverse friction speed clutch II407 is static, make the multi-diameter shaft VI405,
The output shaft of the roller gear VI406, the roller gear V403 and the multi-diameter shaft V402 and the Hooks coupling universal coupling I25
It is static, to make to generate certain torque between the Hooks coupling universal coupling I25 input shaft and output shaft, the test device 2
In the torque sensor I24 show pretorque numerical value close the motor I11 when reaching predetermined value；Work as survey
When runin is begun, the shifting slide gear 13 in the power device 1 is meshed and rotates with the roller gear I22, the circle
Stud wheel I22 drives the multi-diameter shaft III21 rotation, to drive the axis in the torque sensor I24 to rotate, described in progress
The measurement of Hooks coupling universal coupling I25 input shaft torque, the Hooks coupling universal coupling I25 are rotated with the multi-diameter shaft III21, then band
The axis rotation for moving the torque sensor II26, measures the torque of the Hooks coupling universal coupling I25 output shaft, described in measuring
Hooks coupling universal coupling I25 output shaft torque and input shaft torque are divided by, and can obtain the efficiency of the Hooks coupling universal coupling I25, meanwhile,
The multi-diameter shaft III21 drives the roller gear II23 rotation, to drive the cylinder in the torque loading device 3
Gear IV rotation then drives the ratchet wheel 341 in the suitable inverse friction speed clutch I34, the outer ring 342 to rotate, described
It being rotated along inverse friction speed clutch II407 input shaft with the multi-diameter shaft VI405, output shaft is static, the Hooks coupling universal coupling I25,
The Hooks coupling universal coupling II404, the multi-diameter shaft VI405, the roller gear VI406, the multi-diameter shaft V402 and the circle
Stud wheel V403 is rotated synchronously.
Scope of protection of the present invention is not limited thereto, anyone skilled in the art the invention discloses
Technical scope in, any changes or substitutions that can be easily thought of, should be covered by the protection scope of the present invention.Therefore, this hair
Bright protection scope should be subject to the protection scope that claim is defined.
Claims (7)
1. a kind of vertical closing simply connected Hooks coupling universal coupling efficiency test device characterized by comprising power device (1), test
Device (2), torque loading device (3), vertical angle adjustment device (4), cabinet (5)；The power device (1) passes through bearing block
It is connected with the cabinet (5), the shifting slide gear (13) of the power device (1) therein passes through sliding and the test device
(2) the roller gear III (32) in roller gear I (22) and the torque loading device (3) in is meshed；The test dress
It sets (2) to be connected by bearing block with the cabinet (5), the test device (2) passes through roller gear II (23) and the torque
Roller gear IV (33) in loading device (3) is connected, and the Hooks coupling universal coupling I (25) in the test device (2) passes through rigidity
Shaft coupling is connected with the multi-diameter shaft V (402) in the vertical angle adjustment device (4)；The torque loading device (3) passes through axis
It holds seat to be connected with the cabinet (5), passing through along inverse friction speed clutch I (34) output shaft in the torque loading device (3) is rigid
Property shaft coupling is connected with the input shaft of the Hooks coupling universal coupling II (404) in the vertical angle adjustment device (4)；The vertical angle
Rocker (401) in degree regulating device (4) is connected by small multi-diameter shaft with the cabinet (5), the vertical angle adjustment device
(4) crankshaft (409) in is connected by bearing block with the cabinet (5), the motor in the vertical angle adjustment device (4)
III (412) is fixed by bolts on the cabinet (5)；The test device (2), the torque loading device (3) and described vertical
Formula angle adjustment device is connected with each other between (4), constitutes a loop；The cabinet (5) is fixed on ground with foundation bolt
On.
2. a kind of vertical closing simply connected Hooks coupling universal coupling efficiency test device as described in claim 1, it is characterised in that: described
Power device (1) includes: (11) motor I, multi-diameter shaft I (12), shifting slide gear (13), shift fork (14), connecting rod I (15), crank
(16), (17) multi-diameter shaft II, motor II (18)；The motor I (11) passes through positive coupling and multi-diameter shaft I (12) phase
Even, the motor I (11) is bolted on the cabinet (5)；The shifting slide gear (13) is mounted on institute by feather key
It states in the keyway on multi-diameter shaft I (12), realization is in axial sliding along keyway；The multi-diameter shaft I (12) is fixed on by bearing block
On cabinet (5) side wall；One end of the shift fork (14) is mounted at the slot of the shifting slide gear (13), the hole set of the other end
On the crossbeam being connected with the cabinet (5), shift fork (14) bar portion processes one section of cylindrical surface, the connecting rod I (15) two
End semicircle is connected with bar in the middle part of connecting rod, and bushing is housed in connecting hole, and a connecting hole passes through on the shift fork (14)
Cylindrical surface is connected with the shift fork (14), and circumferential unfettered, and there are a through-hole, a through-hole in crank (16) both ends
It is connected by small multi-diameter shaft with another connecting hole of the connecting rod I (15), the connecting rod I (15) is fixed on the small multi-diameter shaft
On, no relative motion, for crank (16) empty set on the small multi-diameter shaft, described another through-hole of crank (16) passes through the rank
Terraced axis II (17) and positive coupling are connected with the motor II (18), and the multi-diameter shaft II (17) is fixed on institute by bearing block
It states on cabinet (5), the motor II (18) is bolted on the bottom of the cabinet (5), the shift fork (14), described
Connecting rod I (15) and the crank (16) form slider-crank mechanism, drive of the shifting slide gear (13) in the shift fork (14)
Under, it is axially moveable in the splined portion of the multi-diameter shaft I (12)；When wanting pretorque, motor II (18) rotation, band
The crank (16) and the connecting rod I (15) rotation are moved, thus drive the shift fork (14) and the shifting slide gear (13) mobile,
The shifting slide gear (13) is meshed with the roller gear III (32) in the torque loading device (3), the motor I (11)
Starting drives the multi-diameter shaft I (12) and the shifting slide gear (13) to rotate, to realize the pretorque in shafting, reaches
When torque demand, the motor I (11) is closed；When carrying out testing experiment, motor II (18) rotation drives the crank
(16) it is rotated with the connecting rod I (15), thus drive the shift fork (14) and the shifting slide gear (13) mobile, the sliding tooth
Wheel (13) is meshed with the roller gear I in the test device (3), opens the motor I (11), drives the multi-diameter shaft I
(12) it is rotated with the shifting slide gear (13), so that the multi-diameter shaft I in the test device (2) is driven to rotate, at the end of test,
Close the motor I (11).
3. a kind of vertical closing simply connected Hooks coupling universal coupling efficiency test device as described in claim 1, it is characterised in that: described
Test device (2) includes: (21) multi-diameter shaft III, roller gear I (22), roller gear II (23), torque sensor I (24), and ten thousand
To shaft coupling I (25), torque sensor II (26)；The multi-diameter shaft III (21) passes through the side wall of bearing block and the cabinet (5)
It is connected；The axial one end of the roller gear I (22) is positioned with multi-diameter shaft III (21) shaft shoulder, circumferential to be positioned with key, the circle
Stud wheel I (22) other end is positioned by axle sleeve with bearing block, the axial one end multi-diameter shaft of the roller gear II (23)
The positioning of III (21) collar, the other end are compressed with double nut, circumferential to be connect with key with the multi-diameter shaft III (21)；The torque passes
Sensor I (24) measures the input shaft torque of the Hooks coupling universal coupling I (25), and described torque sensor I (24) one end passes through rigidity
Shaft coupling is connected with the multi-diameter shaft III (21), and the other end utilizes the input of positive coupling and the Hooks coupling universal coupling I (25)
Axis is connected；The Hooks coupling universal coupling I (25) is tested Hooks coupling universal coupling, is suitble to any one Hooks coupling universal coupling, here with
For tripod type universal coupling, input shaft and output shaft are solid shafting, and output shaft positive coupling and the torque pass
Sensor II (26) is connected；The torque sensor II (26) measures the output shaft torque of the Hooks coupling universal coupling I (25), the torsion
Square sensor II (26) other end passes through positive coupling and multi-diameter shaft V (402) phase in the vertical angle adjustment device (4)
Even；When a test is begun, the shifting slide gear (13) in the power device (1) is meshed and turns with the roller gear I (22)
Dynamic, the roller gear I (22) drives multi-diameter shaft III (21) rotation, to drive in the torque sensor I (24)
Axis rotation, carries out the measurement of Hooks coupling universal coupling I (25) input shaft torque, the Hooks coupling universal coupling I (25) is with the rank
Terraced axis III (21) rotation, then drives the axis of the torque sensor II (26) to rotate, measures the Hooks coupling universal coupling I (25)
The torque of output shaft, Hooks coupling universal coupling I (25) output shaft end and input shaft end are equipped with infrared velocity sensor, survey respectively
The revolving speed of input shaft and output shaft is measured, respectively respectively obtains the torque of input shaft and output shaft by programming multiplied by its revolving speed
The power of input shaft and output shaft, using output shaft power divided by the power of input shaft, to obtain the Hooks coupling universal coupling I
(25) efficiency；Meanwhile the multi-diameter shaft III (21) drives roller gear II (23) rotation, to drive the torque
Roller gear IV (33) rotation in loading device (3).
4. a kind of vertical closing simply connected Hooks coupling universal coupling efficiency test device as described in claim 1, it is characterised in that: described
Torque loading device (3) includes: (31) multi-diameter shaft IV, roller gear III (32), roller gear IV (33), along inverse friction speed clutch
Device I (34)；The multi-diameter shaft IV (31) is connected by bearing block with the side wall of the cabinet (5)；The roller gear III (32)
Axial one end is positioned with multi-diameter shaft IV (31) shaft shoulder, and circumferential to be positioned with key, roller gear III (32) other end passes through
Axle sleeve is positioned with bearing block, and the axial one end of the roller gear IV (33) is positioned with multi-diameter shaft IV (31) collar, the other end
It is compressed with double nut, circumferential to be connect with key with the multi-diameter shaft IV (31), the roller gear IV (33) and the test device
(2) the roller gear II (23) in is meshed；The suitable inverse friction speed clutch I (34) produces relative rotation for two between centers, defeated
Entering axis is hollow shaft, is covered on the multi-diameter shaft IV (31), axial to be positioned with the shaft shoulder, circumferential to be positioned with key, and output shaft is solid
Axis is connected with positive coupling with the input shaft of the Hooks coupling universal coupling II (404) in the vertical angle adjustment device (4)；When
The roller gear in shifting slide gear (13) and the torque loading device (3) when wanting pretorque, in the power device (1)
III (32) is meshed, and the motor I (11) is opened, and the shifting slide gear (13) drives roller gear III (32) rotation,
To drive the multi-diameter shaft III (21) to rotate, the input shaft of the suitable inverse friction speed clutch I (34) described at this time is hollow in output shaft
Turn, output shaft is static, and output shaft passes through the universal joint shaft in the vertical angle adjustment device (4) and the test device (2)
The output shaft of device I (25) is connected, and static, and the input shaft of the suitable inverse friction speed clutch I (34) passes through the roller gear III
(32) and in the test device (2) roller gear II (23) is connect with multi-diameter shaft III (21), then by positive coupling with
The input shaft of the Hooks coupling universal coupling I (25) is connected, and rotates, to make Hooks coupling universal coupling I (25) input shaft and output
Certain torque is generated between axis, realizes that the load of the Hooks coupling universal coupling I (25) applies using the torque of generation, the test
Torque sensor I (24) in device (2) shows that the numerical value of pretorque closes the motor I when reaching predetermined value
(11)；When tested, the roller gear II (23) drives roller gear IV (33) rotation, to drive the multi-diameter shaft
IV (31) rotation, then drives the ratchet wheel, the outer ring rotating in the suitable inverse friction speed clutch I (34), final to drive
Multi-diameter shaft VI in the vertical angle adjustment device (4) rotates (405).
5. a kind of vertical closing simply connected Hooks coupling universal coupling efficiency test device as described in claim 1, it is characterised in that: described
Vertical angle adjustment device (4) includes: rocker (401), multi-diameter shaft V (402), roller gear V (403), Hooks coupling universal coupling II
(404), (405) multi-diameter shaft VI, roller gear VI (406), along inverse friction speed clutch II (407), connecting rod II (408), crankshaft
(409), bevel gear (410), bevel gear shaft (411), motor III (412)；The rocker (401) is a L-type right angle steel plate,
In a planar horizontal, for another plane perpendicular to the cabinet (5) bottom surface, a set square is respectively welded at level right angle face both ends, three
The thickness of gusset is equal with right angle steel plate thickness, respectively processes a through-hole on two set squares, the two through hole line of centres with it is described
Multi-diameter shaft V (402) and the multi-diameter shaft VI (405) are parallel, close to the torque loading device (3) along inverse friction speed clutch
The axis and Hooks coupling universal coupling I (25) and the universal joint shaft in the test device (2) of the set square through-hole of I (34) side
On the same line, this end set square through-hole covers on a small multi-diameter shaft at the center of device II (404), passes through the rolling on small multi-diameter shaft
Dynamic bearing is connected with the cabinet (5) bottom surface, is circumferentially keyed on small multi-diameter shaft, and the rocker (401) is realized around small rank
The axis of terraced axis rotates；The multi-diameter shaft V (402) is vertical with the rocker (401) with the cabinet (5) pedestal by bearing block
Right-angle surface be connected；The axial one end of the roller gear V (403) is positioned with multi-diameter shaft V (402) collar, circumferential fixed with key
Position, roller gear V (403) other end are positioned by double nut；The Hooks coupling universal coupling II (404) and the test device
(2) Hooks coupling universal coupling I (25) is identical shaft coupling, selects tripod type universal coupling, the Hooks coupling universal coupling II
(404) realize with the synchronous angle change of the Hooks coupling universal coupling I (25), have phase with Hooks coupling universal coupling I (25) output shaft
Deng transient speed, prevent the roller gear V (403) and the roller gear VI (406) mutual interference and collision, it is described universal
The output shaft of shaft coupling II (404) is connected by positive coupling with the multi-diameter shaft VI (405)；The multi-diameter shaft VI (405)
It is connected by the bearing block right-angle surface with the cabinet (5) pedestal vertical with the rocker (401), and in the multi-diameter shaft V
(402) underface, the multi-diameter shaft V (402) is parallel with the axis of the multi-diameter shaft VI (405), and flat where two axial lines
Face is parallel to the vertical right-angle surface of the rocker (401)；Roller gear VI (406) axial direction one end multi-diameter shaft VI
(405) collar positions, circumferential to be positioned with key, and roller gear VI (406) other end is positioned by double nut；It is described suitable inverse different
Speed clutch II (407) and suitable inverse friction speed clutch I (34) structure are essentially equal, and input shaft and output shaft are exchanged, described
Along inverse friction speed clutch II (407), the multi-diameter shaft VI (405) is static and rotation for controlling, and input shaft is solid shafting, with rigid
Property shaft coupling be connected with the multi-diameter shaft VI (405), output sleeve is axial to be positioned with the shaft shoulder on a small multi-diameter shaft, circumferential to use
Key positions, and is connect with key with bearing block on small another shaft part of multi-diameter shaft, which is bolted to the rocker (401)
On horizontal plane, the output shaft of the suitable inverse friction speed clutch II (407) is motionless always；Connecting rod II (408) both ends process
One through-hole, wherein one end through-hole passes through the through-hole on another set square on a small multi-diameter shaft and distant plate (401) horizontal plane
It is connected；The crankshaft (409) is connected by bearing block with the cabinet (5), crankshaft (409) main-shaft axis and the cabinet
(5) plane where pedestal is vertical, the other end through-hole phase of the crank section in the crankshaft (409) and the connecting rod II (408)
Even, connecting rod crank end axis along the crankshaft (409) rotates；The bevel gear (410) is mounted on the crankshaft (409)
On, axial one end is positioned with the crankshaft (409) the main shaft shaft shoulder, and the other end is compressed with shaft end ring, and it is circumferential to be positioned with key, it is described
Crankshaft (409), the connecting rod II (408) and the rocker (401) form crank and rocker mechanism；On the bevel gear shaft (411)
Bevel gear part be meshed with the bevel gear (410), the bevel gear shaft (411) passes through bearing block and the cabinet (5)
Bottom connection；The motor III (412) is connected by bolt with the cabinet (5), and the motor III (412) passes through rigidity connection
Axis device is connected with the bevel gear shaft (411)；When to adjust Hooks coupling universal coupling I (25) angle, the power device (1)
Motor I (11) and the motor II (18) stop, the motor III (412) is opened, and the bevel gear shaft (411), institute are driven
Shaft gear (410) and the crankshaft (409) rotation are stated, so that the connecting rod II (408) be driven to make plane motion, then drives institute
Rocker (401) is stated using the center of the Hooks coupling universal coupling I (25) and the Hooks coupling universal coupling II (404) as rotation center, according to
Certain angle swinging, the multi-diameter shaft V (402) and the multi-diameter shaft VI (405) arrange vertically, solve horizontal arrangement and swing
When, the problem of causing entire circuit spacing to change, engage gear can not, realize that the Hooks coupling universal coupling I (25) is electrodeless
The purpose of angular adjustment；When wanting pretorque, the motor III (412) is closed, and the motor I (11) is opened, described in drive
Hooks coupling universal coupling I (25) input shaft rotates, and input shaft and output shaft synchronous are static in the suitable inverse friction speed clutch II (407),
Make the multi-diameter shaft VI (405), the roller gear VI (406), the roller gear V (403) and the multi-diameter shaft V (402)
It is static with the output shaft of the Hooks coupling universal coupling I (25), produce the Hooks coupling universal coupling I (25) between input shaft and output shaft
Raw to relatively rotate, pretorque is equivalent on entire circuit and is applied with load, eliminates original brake and driving system
The work of the motor of dynamic device work, realizes energy-efficient purpose；When tested, suitable inverse friction speed clutch II (407) output shaft
Static, input shaft is rotated with the multi-diameter shaft VI (405), the Hooks coupling universal coupling I (25), the Hooks coupling universal coupling II (404),
The multi-diameter shaft VI (405), the roller gear VI (406), the multi-diameter shaft V (402) and the roller gear V (403) are same
Step rotation.
6. a kind of vertical closing simply connected Hooks coupling universal coupling efficiency test device as described in claim 1, it is characterised in that: described
Cabinet (5) includes: upper box (51) and lower box (52), and casting processing, the upper box (51) is bolted on described
On lower box (52), the power device (1), the test device (2), the torque loading device (3) and the vertical angle
Regulating device (4) are spent in the cabinet (5), and operation panel is installed on the lower box (52), institute is installed on operation panel
The switch for stating motor I (11), the motor II (18) and the motor III (412) realizes easy to operate effect, installs institute
When stating Hooks coupling universal coupling I (25) and the Hooks coupling universal coupling II (404), bolt is removed, opens the upper box (51)；Work
When, the upper box (51) is connected by bolt with the lower box (52).
7. a kind of vertical closing simply connected Hooks coupling universal coupling efficiency test device as claimed in claim 4, it is characterised in that: described
It include: ratchet wheel (341), outer ring (342), steel ball (343), spring spindle (344) and retaining ring along inverse friction speed clutch I (34)
(345)；The ratchet wheel (341) is an annulus material, internally mills a facet from the outer ring (342), then will vertically put down
Facing cut is flat, and bores a blind hole, is often rotated by 90 ° with annulus axis, and processing is primary, processes four times altogether, the ratchet wheel (341) and one
Hollow cylinder welding, axis alignment, hollow cylinder inside process keyway；The spring spindle (344) is installed to the ratchet wheel
(341) in blind hole, spring and blind via bottom are welded, and spring top welds cylinder ejector rod；Steel ball (343) diameter be equal in
The distance between plane intersection line and the outer ring (342), the steel ball (343) are processed on ratchet wheel (341) the processing vertical plane
It is clipped between the ratchet wheel (341), the spring spindle (344) and the outer ring (342), in the spring spindle (344)
Mandril welding；Outer ring (342) internal diameter is slightly larger than the ratchet wheel outer diameter, and the outer ring (342) and a solid step axis weld
It connects, axis alignment, outer ring (342) empty set is on the outside of the ratchet wheel (341), axis alignment；The retaining ring (345) is a circle
Ring, annulus outer diameter is equal with the outer ring (342) outer diameter, and the distance between internal diameter and outer diameter are slightly larger than the steel ball (343)
Diameter is connected between the retaining ring (345) and the outer ring (342), prevents the steel ball (343) from throwing away institute when rotating
It states along inverse friction speed clutch I (34)；The suitable inverse friction speed clutch I (34) passes through the ratchet wheel (341) and the outer ring (342)
Speed is different, to adjust steering and the revolving speed of the axis being connected with the suitable inverse friction speed clutch I (34).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910889073.3A CN110455533A (en) | 2019-09-19 | 2019-09-19 | A kind of vertical closing simply connected Hooks coupling universal coupling efficiency test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910889073.3A CN110455533A (en) | 2019-09-19 | 2019-09-19 | A kind of vertical closing simply connected Hooks coupling universal coupling efficiency test device |
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| CN110455533A true CN110455533A (en) | 2019-11-15 |
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| CN201910889073.3A Pending CN110455533A (en) | 2019-09-19 | 2019-09-19 | A kind of vertical closing simply connected Hooks coupling universal coupling efficiency test device |
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