CN109443613B - A kind of torsion-testing apparatus and test method of automatic door lock mechanism - Google Patents
A kind of torsion-testing apparatus and test method of automatic door lock mechanism Download PDFInfo
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- CN109443613B CN109443613B CN201811157667.7A CN201811157667A CN109443613B CN 109443613 B CN109443613 B CN 109443613B CN 201811157667 A CN201811157667 A CN 201811157667A CN 109443613 B CN109443613 B CN 109443613B
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency, in general
Abstract
The invention discloses the torsion-testing apparatus and test method of a kind of automatic door lock mechanism, and brake coupling group mechanism is added when testing torque mechanism design；The measurement of latch mechanism load end rotational angle, is mounted on cannulated sleeve, torque input shaft is passed through from sleeve hollow hole, is connect with the load end of latch mechanism, and cannulated sleeve is connected to latch mechanism load end using hollow encoder.The device and test method realize angle change of the reliable measurement load end under test torque effect when meeting angle-measurement accuracy requirement；Torque sensor monitoring and test torque is used simultaneously, avoids test torque generator and the requirement of torque transfer arrangement high precision design, so that entirely test device processing, matching requirements are relatively low, the realization of device to test function becomes feasible.
Description
Technical field
Present invention relates to a kind of 360 degree of any angle torsion-testing apparatus of automatic door mechanism locking device and its tests
Method is to belong to mechanism torsion-testing technical field.
Background technique
Automatic translation door mechanism in high-speed rail, the Automatic Plug Doors mechanism of subway, smart home is all screw rod by motor
The translation for being converted to door leaf, realize door close and open.All there is a kind of latch mechanism in these automatically-controlled doors.The latch mechanism is
The key mechanism of automatically-controlled door.The power source of one side door machine structure (is exactly to connect power by the power end of positive and negative rotation latch mechanism
Source), door leaf can be opened or closed；Still further aspect, the load end (connection door leaf end) of latch mechanism, when door leaf is closed,
External force is prevented to take off door leaf by force, to guarantee safety, especially public transport, such as high-speed rail, subway, such safety measure
It is particularly important.The latch mechanism prevents external force from taking off door leaf by force, is not the resistance by power source and motor, but relies on
Mechanical structure inside latch mechanism.Namely power source positive and negative rotation can normal switching-off open door leaf, and when pushing door leaf aside by force,
It is exactly directly to apply enabling direction torque in latch mechanism load end, at this moment latch mechanism interior mechanical mechanism just prevents load end from opening the door
Movement.Therefore, which is to be capable of providing to apply constant test torque in load end, can measure load
Hold corner in the case where testing torque, and test device want can 360 degree of proof load end any point can test.
Existing torsion-testing apparatus is to provide torque, test object by rotary power (typical such as various motors)
It is not required on torque loading direction, and there is no mechanical structure inside test object, the torsion-testing at any point can
Reflect test object overall performance.Therefore, such test device structural requirement has a single function, and Design of Mechanical Structure is simple.From
For dynamic door lock mechanism due to its interior mechanical mechanism, test device functional requirement is complicated.1) it in order to meet different latch mechanisms, tests
Torque demand is variable, at 30NM~100NM (ox rice).2) load end test point is distributed along circle, needs angle-adjusting mechanism,
It can be tested with proof load end any point.Load end angle adjustment torque is smaller (generally in 5NM or less), but to be adjusted
Angle precision is high.3) latch mechanism load end is under the effect of enabling torque, since the deformation of internal structure part, part cooperation are empty
The reasons such as gap, scale error, rotate, and have the rotation for comparing low-angle, high to the required precision of device measurement angle.4) add
The test torque for being downloaded to latch mechanism load end is not only big, and has required precision.Come from the design of common torsion-testing apparatus
It sees, high torque motor generally can not be provided directly, it is necessary to match deceleration mechanism.After test torque load, if latch mechanism
Normally, latch mechanism load end is not rotate, and is at this time exactly to be stuck, but the torque of load again stablize by Seeking Truth if it is motor
, meet size requirements；In addition the test also needs load end angle to adjust torque, if torque power source mechanism will be tested
With angle-adjusting mechanism, design is integrated, that is, is realized by a motor, along with to angle, torque precision requirement.It is aobvious
So, very high to motor and deceleration institution requests, the organization volume designed is excessively huge, and manufacturing cost is excessively high, and motor is with deceleration
Mechanism scheme is infeasible.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the present invention provides a kind of torsion of automatic door lock mechanism
Torque test device and test method can produce and meet required precision and adjustable whole test torque, and realize that angle is accurate
Measurement.
Technical solution: to achieve the above object, the technical solution adopted by the present invention are as follows:
A kind of torsion-testing apparatus of automatic door lock mechanism, including block 1, wheel disc 2, pedestal 1, bearing block 1, axis
Hold seat 25, polished rod 1, brake 7, mounting rack 28, shaft coupling 1, magnetic powder magnetic powders brake clutch group 10, shaft coupling two
11, bearing block 3 12, pedestal 2 13, polished rod 2 14, bearing block 4 15, synchronous pulley 1, block 2 17, stepper motor 18,
Mounting rack 1, shaft coupling 6 20, bearing block 5 21, block 3 22, polished rod 3 23, synchronous pulley 2 24, block 4 25, bearing
Seat 6 26, shaft coupling 3 27, torque sensor 28, pedestal 3 29, shaft coupling 4 30, bearing block 7 31, encoder 32, polished rod four
33, sleeve 34, bearing block 8 35, device for fixing screen on headrest (36,37), shaft coupling 5 38, latch mechanism mounting seat 39, block 5 40,
Block 6 41, synchronous belt 43, fixed platform 44, in which:
The polished rod 1, shaft coupling 1, magnetic powders brake clutch group 10, shaft coupling 2 11, polished rod 2 14 are sequentially connected,
The magnetic powders brake clutch group 10 is mounted in fixed platform 44, and the polished rod 1 is pacified by bearing block 1, bearing block 25
On pedestal 1, the polished rod 2 14 is mounted on pedestal 2 13 by bearing block 3 12, bearing block 4 15,
The wheel disc 2, brake 7 are mounted on polished rod 1, and the wheel disc 2 is connect with polished rod 1 by flat key, gear
Block 1 is mounted on the end of polished rod 1, moves axially for limiting wheel disc 2 along polished rod 1, and the diameter of the block 1 is big
In the end diameter of polished rod 1；The brake 7 is connect with polished rod 1 using flat key, is between brake 7 and polished rod 1
It is full of cooperation, and the brake 7, between wheel disc 2 and shaft coupling 1, brake 7 is fixedly mounted on mounting rack 28, peace
28 are shelved to be mounted in fixed platform 44；
The synchronous pulley 1 is mounted on polished rod 2 14, and synchronous pulley 1 and polished rod 2 14 are connected by flat key
It connects, block 2 17 is mounted on the end of polished rod 2 14, moves axially for limits synchronization belt wheel 1 along polished rod 2 14, block two
17 diameter is greater than 2 14 end diameter of polished rod；
The stepper motor 18, shaft coupling 6 20, polished rod 3 23, shaft coupling 3 27, torque sensor 28, shaft coupling four
30, polished rod 4 33 is sequentially connected, and torque sensor 28 is mounted on pedestal 3 29, and pedestal 3 29 is mounted in fixed platform 44,
The polished rod 3 23 is mounted in fixed platform 44 by bearing block 6 26, bearing block 5 21, and the polished rod 4 33 passes through bearing
Seat 7 31 is mounted in fixed platform 44, and the synchronous pulley 2 24 is mounted on polished rod 3 23, and the synchronous pulley 2 24
It is connect with polished rod 3 23 by flat key, the synchronous pulley 2 24 is sequentially connected with synchronous pulley 1 by synchronous belt 43；
The synchronous pulley 2 24 is between bearing block 6 26, bearing block 5 21, and the synchronous pulley 2 24 and axis
It holds and is provided with block 4 25 on the polished rod 3 23 between seat 6 26, the polished rod between the synchronous pulley 2 24 and bearing block 5 21
Block 3 22 is provided on 3 23, the block 4 25, block 3 22 are sleeve-like structure, are fixedly mounted on polished rod 3 23；Institute
It states stepper motor 18 to be mounted on motor mounting rack 1, mounting rack 1 is mounted in fixed platform 44；
The polished rod 4 33 passes through sleeve 34, and the sleeve 34 and polished rod 4 33 form revolute pair, the outer wall of sleeve 34
It is connect with bearing block 8 35, sleeve 34 and bearing block 8 35 are interference fitted；The sleeve 34 deviates from the side of torque sensor 28
It is connect with shaft coupling 5 38, the shaft coupling 5 38 with latch mechanism load end for connecting；Encoder 32 is mounted on sleeve 34,
And encoder 32 is connect with sleeve 34 using flat key, the fixed device of the shell of encoder 32 is mounted on device for fixing screen on headrest (36,37)
On, device for fixing screen on headrest (36,37) is mounted in fixed platform 44, and bearing block 8 35 is mounted on device for fixing screen on headrest (36,37)；
Latch mechanism installation unit includes block 5 40, block 6 41, latch mechanism mounting seat 39, the block 5 40, gear
Block 6 41 is located at the opposite both sides of latch mechanism mounting seat 39, and block 5 40, block 6 41, latch mechanism mounting seat 39 are installed
In fixed platform 44, the latch mechanism mounting seat 39 for latch mechanism install so that latch mechanism load end respectively with polished rod
4 33 and shaft coupling 5 38 connect.
Preferred: the magnetic powders brake clutch group 10 is mounted in fixed platform 44 using bolt, the magnetic powders brake
The dog point of clutch group 10 is connect with shaft coupling 1 by flat key, the clutch end and shaft coupling of magnetic powders brake clutch group 10
Device 2 11 is connected by flat key.
Preferred: the shaft coupling 1 is connect with polished rod 1 by flat key, and shaft coupling 2 11 and polished rod 2 14 are by putting down
Key connection.
Preferred: the pedestal 1 is mounted in fixed platform 44 using bolt, the bearing block 1, bearing block 25
It is mounted on pedestal 1 by bolt, polished rod 1 passes through bearing block 1, bearing block 25, between polished rod 1 and bearing block 1
It is interference fit, is interference fit between polished rod 1 and bearing block 25；Pedestal 2 13 is mounted on fixed platform 44 using bolt
On, bearing block 3 12, bearing block 4 15 are mounted on pedestal 2 13, and polished rod 2 14 passes through bearing block 3 12, bearing block 4 15, and
It is interference fit between polished rod 2 14 and bearing block 3 12, is interference fit between polished rod 2 14 and bearing block 4 15.
Preferred: one end axis of torque sensor 28 is connect with shaft coupling 3 27 by flat key, torque sensor 28 it is another
Outer one end axis is connect with shaft coupling 4 30 by flat key, and the shaft coupling 3 27 is connect with polished rod 3 23 using flat key, described
Axis device 4 30 is connect with polished rod 4 33 by flat key；The motor shaft and shaft coupling 6 20 of the stepper motor 18 are connected using flat key
It connects, shaft coupling 6 20 is connect with polished rod 3 23 using flat key.
Preferred: the bearing block 6 26, bearing block 5 21 are mounted in fixed platform 44 using bolt, the polished rod three
23 pass through bearing block 6 26, bearing block 5 21, and polished rod 3 23 and bearing block 6 26 are interference fit, the polished rod 3 23 and axis
Seat 5 21 is held as interference fit；The polished rod 4 33 is mounted on bearing block 7 31, and bearing block 7 31 is mounted on solid using bolt
On fixed platform 44.
Preferred: the left end diameter of the polished rod 1 is small, and right end diameter is big；The right end diameter of polished rod 2 14 is small, left end
Greatly；The small intermediate sizes of both ends diameter of polished rod 3 23 are big；The left end diameter of polished rod 4 33 is small, and right end diameter is big；A left side for sleeve 34
There are two steps at end, is hollow structure, outer wall dimension and 8 35 bearing inner race of bearing block are interference fitted, and install hollow encoder
32, hollow aperture needs to guarantee that polished rod 4 33 is worked normally without interfering；The step of left end second is for left end first to be isolated
A step, prevents it from having interference with bearing；Other first step is for guaranteeing that sleeve 34 passes through shaft coupling 5 38 and latch mechanism
Load end connection.
A kind of test method of the torsion-testing apparatus of above-mentioned automatic door lock mechanism, comprising the following steps:
1. fixed latch mechanism and suspension weight: rope one end being fixed on wheel disc 2, other end is wrapped in 2 extension of wheel disc
And hang weight；Latch mechanism is fixed in latch mechanism mounting seat 39, is adjusted using kidney slot in latch mechanism mounting seat 39
Latch mechanism load end is connect with polished rod 4 33 and shaft coupling 5 38, after 39 position suitable of latch mechanism mounting seat, fixed kidney slot
Bolt；
2. adjusting torque value: the dog point of magnetic powders brake clutch group 10 unclamps, clutch end closure, stepper motor 18
Release, rotating wheel disk 2 hang weight, and torque sensor 28 reads in torque data, and adjustment weight makes the torsion of torque sensor 28
Square numerical value and standard torque difference are within the allowable range；
3. starting to test, the dog point braking of magnetic powders brake clutch group 10, clutch end separation；
4. adjusting test angle: stepper motor 18 is enabled, inputs step-by-step impulse, adjustment latch mechanism load end to test point；
It adjusts torque and passes through shaft coupling 6 20, polished rod 3 23, shaft coupling 3 27, the axis of torque sensor 28, shaft coupling 4 30, polished rod four
33 are transmitted to latch mechanism load end；
5. load end input test torque and angle measurement: the release of 18 motor of stepper motor, brake 7 are braked, magnetic powder system
The clutch end-apparatus closure of dynamic clutch group 10, the release of brake end, brake 7 discharge, and test torque is loaded into latch mechanism load
End, by encoder 32 measure load end rotate angle, test torque by wheel disc 2 and suspension weight generate, by polished rod 1,
Shaft coupling 1, the axis of magnetic powder magnetic powders brake clutch group 10, shaft coupling 2 11, polished rod 2 14, synchronous pulley 1, synchronous belt
43, synchronous pulley 2 24, polished rod 3 23, shaft coupling 3 27, the axis of torque sensor 28, shaft coupling 4 30, polished rod 4 33 input
To latch mechanism load end；Angle measurement, load end angle change pass to encoder 32 by shaft coupling 5 38, sleeve 34；
6. repeating step 4,5 until the test point that latch mechanism load end requires all is completed to test；
7. brake 7 is braked, clutch unclamps, motor release, takes down suspension weight, brake release.
Preferred: when torsion-testing, brake 7 loads torque, and 10 dog point of magnetic powders brake clutch group unclamps, in certainly
By state, clutch end closure, stepper motor 18 is in free state, is transmitted to polished rod 4 33 by the torque that wheel disc generates, adds
It is downloaded to latch mechanism load end, is judged at this time by torque sensor 28, after torque is steady, the torque of brake 7 is just cancelled, obtains
It meets the requirements and shock-free test torque.
Preferred: when angle adjusts, magnetic powders brake clutch group 10 is braked, and prevents weight freely falling body on wheel disc, magnetic powder
The separation of 10 clutch end of brake coupling group, the axis that clutch end is connect with shaft coupling 11 are in free state, such structure
When stepper motor 18 can be made to adjust the angle, without overcoming suspension weight torque；Stepper motor 18 is enabled, in impulse action
Under, adjustment latch mechanism load end to next test angle.
The present invention compared with prior art, has the advantages that
1. this programme is will to test torque mechanism to be designed as two parts with load end angle-adjusting mechanism, torque machine is tested
Brake coupling group mechanism is added when structure designs, test torque may be implemented and load and be isolated as needed.
2. the present invention program is directly connect with latch mechanism load end using load end, encoder measuring mechanism is directly measured,
It avoids torque input shaft and latch mechanism load end cooperates bring measurement error.Encoder uses hollow encoder, installation dress
Set sleeve also and be hollow, torque input shaft is passed through from sleeve hole, connects the load end of latch mechanism, and sleeve is directly loaded with latch mechanism
End connection, the program directly measure the angle change of latch mechanism load end, and also just there is no torque input shafts and load stomidium to connect
Bring angle measurement error is connect, in addition torque input avoids encoder bearing and carry high torque also without passing through encoder axis
The complicated structure of installing encoders with design reliably measures angle change of the load end under test torque effect, simultaneously
Also meet measurement accuracy requirement.
3. the present invention program, which is used, monitors torque with torque sensor, that is, test torque is added again by torque sensor
It is downloaded to latch mechanism load end, leading portion test torque transmission process loss is not considered thus, as long as recently entering torque sensing
Device torque is met the requirements, relatively low to device processing, matching requirements in this way, and the realization of device to test function becomes can
Row.
Detailed description of the invention
Fig. 1 is torsion-testing apparatus overall package top view.
Fig. 2 is entire test device mounting seat, and wherein round hole is mounting hole, and square hole is cable hole.All holes
It is all through-hole.
Fig. 3 is torque generation device assembling top view.
Fig. 4 is members structure X-Y scheme in torque generation device.
Fig. 5 is latch mechanism load end angular adjustment apparatus top view.
Fig. 6 is members structure X-Y scheme in angular adjustment apparatus.
Fig. 7 is load end angle change measurement modular construction X-Y scheme and assembling top view.
Wherein, 1. block one, 2. wheel discs, 3. pedestals one, 4. bearing blocks one, 5. bearing blocks two, 6. polished rods one, 7. brakings
Device, 8. mounting racks two, 9. shaft couplings one, 10. magnetic powders brake clutch groups, 11. shaft couplings two, 12. bearing blocks three, 13. pedestals
Two, 14. polished rods two, 15. bearing blocks four, 16. synchronous pulleys one, 17. blocks two, 18. stepper motors, 19. mounting racks one, 20.
Shaft coupling six, 21. bearing blocks five, 22. blocks three, 23. polished rods three, 24. synchronous pulleys two, 25. blocks four, 26. bearing blocks six,
27. shaft coupling three, 28. torque sensors, 29. pedestals three, 30. shaft couplings four, 31. bearing blocks seven, 32. encoders, 33. polished rods
Four, 34. sleeves, 35. bearing blocks eight, 36,37. device for fixing screen on headrest, 38. shaft couplings five, 39. latch mechanism mounting seats, 40. blocks
Five, 41. blocks six, 43. synchronous belts, 44. fixed platforms.
Specific embodiment
In the following with reference to the drawings and specific embodiments, the present invention is furture elucidated, it should be understood that these examples are merely to illustrate this
It invents rather than limits the scope of the invention, after the present invention has been read, those skilled in the art are to of the invention various
The modification of equivalent form falls within the application range as defined in the appended claims.
A kind of torsion-testing apparatus of automatic door lock mechanism, as shown in figs. 1-7, including the adjustment of torque input unit, angle
Unit, damping unit, torque brake separative unit, angle measuring unit, latch mechanism installation unit.Torque input unit includes
Torque recurring structure, transfer structure, corresponding support, transmitting auxiliary.Damping unit is designed, latch mechanism gap is allowed for, becomes
The reasons such as shape cause the weight of suspension to cause moment freely falling body, that is, test torque moment impact in small distance, will lead to
The braking failure of brake coupling group, therefore device devises damping mechanism, to eliminate impact, guarantees that brake coupling group stablizes work
Make.Torque braking separative unit is when latch mechanism replaces test point, and mechanism is detached from test torque, to guarantee small torque
Adjustment.Angle adjusting is adjustment latch mechanism to new test point configuration, includes stepper motor, transfer structure, corresponding branch
Support, transmitting auxiliary device.Angle measuring unit, angle change of the measurement latch mechanism load end under test torque effect, adjustment
The new test point of latch mechanism, includes bindiny mechanism, support, mounting rack auxiliary.Latch mechanism installation unit realizes that latch mechanism is solid
Fixed, adjustment, convenient for test.
Torque input unit mainly includes block 1, wheel disc 2, polished rod 1, bearing block 1, bearing block 25, pedestal one
3, shaft coupling 1, magnetic powder magnetic powders brake clutch group 10, shaft coupling 2 11, bearing block 3 12, bearing block 4 15, pedestal 2 13,
Polished rod 2 14, synchronous pulley 1, block 2 17, synchronous belt 43, synchronous pulley 2 24, polished rod 3 23, block 3 22, block four
25, bearing block 5 21, bearing block 6 26, shaft coupling 3 27, torque sensor 28, pedestal 3 29, shaft coupling 4 30, bearing block seven
31, polished rod 4 33.Wherein wheel disc 2 is connect with polished rod 1 by flat key, and block 1 is mounted on the end of polished rod 1 by bolt
Portion, the diameter of block 1 are greater than the end diameter of polished rod 1, and polished rod 1 passes through bearing block 1, bearing block 25, between them
It is interference fit, bearing block 1, bearing block 25 are mounted on pedestal 1 by bolt, and pedestal 1 is mounted on solid using bolt
On fixed platform 44, polished rod 1 is connect with shaft coupling 1 by flat key, the dog point and shaft coupling of magnetic powders brake clutch group 10
One 9 are connected by flat key, and magnetic powders brake clutch group 10 is connect with shaft coupling 2 11 by flat key, magnetic powders brake clutch group 10
It is mounted in fixed platform 44 using bolt, shaft coupling 2 11 is connect with polished rod 2 14 by flat key, and polished rod 2 14 passes through bearing
Seat 3 12, bearing block 4 15, are interference fit between them, and polished rod 2 14 is connect with synchronous pulley 1 by flat key, block
2 17 are mounted on the end of polished rod 2 14 using bolt, and the diameter of block 2 17 is greater than polished rod end diameter, bearing block 3 12,
Bearing block 4 15 is mounted on pedestal 2 13, and pedestal 2 13 is mounted in fixed platform 44 using bolt.Synchronous pulley 2 24 with
Synchronous pulley 1 is connected by synchronous belt 43.Polished rod 3 23 is connect with synchronous pulley 2 24 by flat key, block 4 25, block
3 22 be sleeve-like structure, is mounted on polished rod 3 23 using bolt, and polished rod 3 23 passes through bearing block 6 26, bearing block 5 21, is
Interference fit, bearing block 6 26, bearing block 5 21 are mounted in fixed platform 44 using bolt.Polished rod 3 23 and shaft coupling 3 27
It is connected using flat key, shaft coupling 3 27 is connect with 28 one end axis of torque sensor by flat key, 28 other end of torque sensor
Axis is connect with shaft coupling 4 30 by flat key, and torque sensor 28 is mounted on pedestal 3 29 by bolt, and pedestal 3 29 utilizes
Bolt is mounted in fixed platform 44, and polished rod 4 33 is mounted on bearing block 7 31, and is connect with shaft coupling 4 30 by flat key,
Using in bolt installation fixed platform 44, polished rod 4 33 is connect with the load end of latch mechanism using flat key bearing block 7 31, is inputted
Test torque.
Angle adjusting is mainly by stepper motor 18, motor mounting rack 1, shaft coupling 6 20, bearing block 5 21, light
Bar 3 23, bearing block 6 26, shaft coupling 3 27, torque sensor 28, pedestal 3 29, shaft coupling 4 30, polished rod 4 33, bearing block
3 31 are constituted.Wherein, stepper motor 18 is mounted on motor mounting rack 1 using bolt, and mounting rack 1 is installed using bolt
In fixed platform 44, motor shaft is connect with shaft coupling 6 20 using flat key, and shaft coupling 6 20 is connect using flat with polished rod 3 23
Key connection, polished rod 3 23 are mounted on bearing block 5 21, on bearing block 6 26, are interference fit, bearing block 5 21, axis between them
It holds seat 6 26 to be mounted in fixed platform 44 using bolt, polished rod 3 23 is connect with shaft coupling 3 27 using flat key, shaft coupling three
27 are connect with torque sensor 28 using flat key, and torque sensor 28 is mounted on pedestal 29, the axis and connection of torque sensor 28
Axis device 4 30 is connected using flat key, and pedestal 3 29 is mounted in fixed platform 44 using bolt, shaft coupling 4 30 and polished rod 4 33
It is connected using flat key, it is interference fit between them that polished rod 4 33 is connect with bearing block 7 31, and bearing block 7 31 is installed using bolt
In fixed platform 44, polished rod 4 33 is connect with the load end of latch mechanism using flat key, and entire component connection realizes that load end is surveyed
Try angle adjustment.
Damping unit is mainly by brake 7, mounting rack 28, polished rod 1, bearing block 1, bearing block 25, one 3 groups of pedestal
At polished rod 1 is connect with bearing block 1, bearing block 25, is interference fitted between them, and bearing block 1, bearing block 25 utilize
Bolt is mounted on pedestal 1, and pedestal 1 is mounted in fixed platform 44, and polished rod 1 is connect with brake 7 using flat key, mistake
It is full of cooperation, brake 7 is mounted on mounting rack 28, and mounting rack 28 is mounted in fixed platform 44 using bolt.
Torque brakes separative unit mainly by polished rod 1, shaft coupling 1, magnetic powders brake clutch group 10, shaft coupling 2 11
Composition.Polished rod 1 is connect with one 9 flat key of shaft coupling, and shaft coupling 1 is connect with magnetic powders brake clutch group 10 using flat key, magnetic
Powder brake coupling group 10 is connect with shaft coupling 1 using flat key, and magnetic powders brake clutch group 10 is mounted on fixation using bolt
On platform 44.
Angle measuring unit is mainly by sleeve 34, encoder device for fixing screen on headrest 36,37, bearing block 7 35,32 groups of encoder
At.Sleeve 34 is connect with bearing block 7 35, is interference fit between them, and encoder 32 is mounted on sleeve 34, between them
It being connected using flat key, the fixed device of the shell of encoder 32 is mounted on device for fixing screen on headrest 36,37 using bolt, fixed frame 36,
37 are mounted in fixed platform 44 using bolt, and bearing block 7 35 is mounted in fixed platform 44 using bolt.
Latch mechanism installation unit is mainly made of block 5 40, block 6 41, latch mechanism mounting seat 39, block 5 40,
6 41 benefit of block is fixed by bolts in fixed platform 44, and latch mechanism mounting seat 39 is mounted in fixed platform 44, latch mechanism
It is mounted in latch mechanism mounting seat 39 using bolt.
The left end diameter of the polished rod 1 is small, and right end diameter is big, is that anti-locking apparatus assembling rear axle moves to the left such as Fig. 4
Slide, this size design, after assembly, bearing block 1, bearing block 24 bearing inner race can prevent the play to the left of polished rod 1,
And right side has shaft coupling 1 to prevent play to the right.The right end diameter of polished rod 2 14 is small, and left end is big, in the bearing of bearing block 3 12
Circle can prevent the play to the right of polished rod 2 14, and the shaft coupling 2 11 in left side can prevent its play to the left.
The small intermediate sizes of both ends diameter of polished rod 3 23 are big, as shown in fig. 6, assembly rear bearing block 6 26, bearing block 5 21
Bearing inner race prevents the left and right play at work of polished rod 3 23.
The left end diameter of polished rod 4 33 is small, and right end diameter is big, and left end size is primarily to the load end with latch mechanism connects
Connect, intermediate sizes, be in order to guarantee that in assembling, sleeve 34 can be passed through, and during the work time with the inner wall of sleeve 34 not
Interference.There are the structure of protrusion in 4 33 middle section of polished rod and right end portion junction, such as Fig. 6 partial enlarged view, the design be for
Prevent the left and right play at work of polished rod 4 33.
There are two steps in the left end of sleeve 34, is hollow structure, and outer wall dimension is matched with 8 35 bearing inner race interference of bearing block
It closes, and hollow encoder 32 is installed, hollow aperture needs to guarantee that polished rod 4 33 is worked normally without interfering；The step of left end second
It is to prevent it from having interference with bearing for the step of left end first to be isolated；Other first step is for guaranteeing that sleeve 34 passes through
Shaft coupling 5 38 is connect with latch mechanism load end.
Pedestal 39 is mounted on pedestal 44, and mounting hole is designed as kidney slot, is connect for adjusting latch mechanism with polished rod 33.
A kind of torsion-testing method of automatic door lock mechanism, comprising the following steps:
1. fixed latch mechanism and suspension weight: rope one end being fixed on wheel disc 2, other end is wrapped in 2 extension of wheel disc
And hang weight；Latch mechanism is fixed in latch mechanism mounting seat 39, is adjusted using kidney slot in latch mechanism mounting seat 39
Latch mechanism load end is connect with polished rod 4 33 and shaft coupling 5 38, after 39 position suitable of latch mechanism mounting seat, fixed kidney slot
Bolt；
2. adjusting torque value: the dog point of magnetic powders brake clutch group 10 unclamps, clutch end closure, stepper motor 18
Release, rotating wheel disk 2 hang weight, and torque sensor 28 reads in torque data, and adjustment weight makes the torsion of torque sensor 28
Square numerical value and standard torque difference are within the allowable range；
3. starting to test, the dog point braking of magnetic powders brake clutch group 10, clutch end separation；
4. adjusting test angle: stepper motor 18 is enabled, inputs step-by-step impulse, adjustment latch mechanism load end to test point；
It adjusts torque and passes through shaft coupling 6 20, polished rod 3 23, shaft coupling 3 27, the axis of torque sensor 28, shaft coupling 4 30, polished rod four
33 are transmitted to latch mechanism load end；
5. load end input test torque and angle measurement: the release of 18 motor of stepper motor, brake 7 are braked, magnetic powder system
The clutch end-apparatus closure of dynamic clutch group 10, the release of brake end, brake 7 discharge, and test torque is loaded into latch mechanism load
End, by encoder 32 measure load end rotate angle, test torque by wheel disc 2 and suspension weight generate, by polished rod 1,
Shaft coupling 1, the axis of magnetic powder magnetic powders brake clutch group 10, shaft coupling 2 11, polished rod 2 14, synchronous pulley 1, synchronous belt
43, synchronous pulley 2 24, polished rod 3 23, shaft coupling 3 27, the axis of torque sensor 28, shaft coupling 4 30, polished rod 4 33 input
To latch mechanism load end；Angle measurement, load end angle change pass to encoder 32 by shaft coupling 5 38, sleeve 34；
6. repeating step 4,5 until the test point that latch mechanism load end requires all is completed to test；
7. brake 7 is braked, clutch unclamps, motor release, takes down suspension weight, brake release.
When torsion-testing, brake 7 loads torque, and 10 dog point of magnetic powders brake clutch group unclamps, and is in free state,
Clutch end closure, stepper motor 18 are in free state, are transmitted to polished rod 4 33 by the torque that wheel disc generates, are loaded into lock machine
Structure load end is judged by torque sensor 28 at this time, after torque is steady, is just cancelled the damping of brake 7, is met the requirements
And shock-free test torque.
When angle adjusts, magnetic powders brake clutch group 10 is braked, and prevents weight freely falling body on wheel disc, magnetic powders brake clutch
The separation of 10 clutch end of device group, the axis that clutch end is connect with shaft coupling 11 are in free state, and such structure can make
When stepper motor 18 adjusts the angle, without overcoming suspension weight torque；Stepper motor 18 is enabled, under impulse action, adjustment lock
Mechanism load end is to next test angle.
The measurement of latch mechanism load end angle change.Sleeve 34 is connect with empty shaft encoder 32 using flat key, outside encoder 32
Shell benefit is fixed by bolts on device for fixing screen on headrest (36,37).The left end of sleeve 34 and latch mechanism load end utilize shaft coupling 5 38
Connection.Load end is under the torque effect that polished rod 4 33 inputs, and angle changing is by shaft coupling 5 38, sleeve 34 by encoder 32
It reads, polished rod 4 33 passes through sleeve 34, and both input test torque and angle adjusted torque, and did not interfered angle measurement.
The present invention will test torque mechanism and load end angle-adjusting mechanism is designed as two parts.Test torque is abandoned adopting
With the scheme of motor, and use gravity methods.Test device utilizes wheel disc, and steel cable one end is fixed on wheel disc, and other end twines
It is wound on the outer extension of wheel disc and hangs weight, such wheel disc is under suspension weight effect, in the torque that wheel disc on-axis output is stable.It can
To change the torque of wheel disc output according to increase and decrease suspension weight is required, meets test torque and changed according to different requirements.It is negative
The adjustment of end angle is carried, since torque is small, it is contemplated that cost performance, device use stepper motor, directly will using bearing block and polished rod
Angle adjustment is loaded into latch mechanism load end.It should be noted that when, due to test torque and adjustment torque be all to be loaded into lock machine
Structure load end, this two torques can interfere when working.The present invention program can be to avoid such problems.Since this programme is
Test torque mechanism and load end angle-adjusting mechanism are designed as two parts, when test torque mechanism design be added braking from
Clutch group mechanism may be implemented test torque and load and be isolated as needed.It is, test torque is by brake coupling group control
System, when stepper motor adjusts load end test angle, test torque is isolated；When load needs torsion-testing, then pass through
Brake coupling group load test torque, step motor shaft is in free state at this time.In structure, dish axle and braking clutch are taken turns
The brake end of device group connects, and clutch end is connect by synchronous pulley with latch mechanism load end torque input shaft mechanism.
Angle of the latch mechanism load end in the case where testing torque is measured, is measured using encoder, general encoder measurement angle
All be directly installed on axis or other auxiliary devices be used to directly measurement axis rotation angle, also just obtain measurement pair
As the angle change in the case where torque acts on.In terms of device design scheme, if be directly installed on torque input shaft, due to axis
Torque highest be can't stand close to 100NM, the bearing of general shaft encoder, secondly in order to which torque input shaft and latch mechanism load end are pacified
It is easy for installation to fill hole, to have gap certainly, this must influence whether angle-measurement accuracy.If utilizing auxiliary device,
Belt pulley and belt are such as utilized, the axis of encoder is connect with torque input shaft, the bearing of encoder is avoided to carry high torque, but this
Sample cannot equally overcome the gap bring angle measurement error between torque input shaft and latch mechanism load end mounting hole, and
The design needs the cooperation between belt pulley and belt closely, and to increase new design requirement.The present invention program is using straight
Measurement load end is connect, encoder measuring mechanism is directly directly connected to latch mechanism load end, avoids and be mounted on torque input shaft
With latch mechanism load end gap error, encoder using hollow, mounting device sleeve be also it is hollow, torque input shaft is from sleeve hole
It passes through, connects the load end of latch mechanism, the program directly measures the angle change of latch mechanism load end, and also just there is no torque is defeated
Enter axis and load the error that stomidium joint gap generates, in addition torque input is also without passing through encoder axis.Reliably measure
Angle change of the load end under test torque effect, while also meeting measurement accuracy requirement.
Although test torque naturally droops generation by weight by wheel disc, finally it is loaded among latch mechanism load end
It has passed through the structures such as brake coupling group, synchronous pulley, bearing, which certainly will influence torque.If being this
Sample load test torque needs largely to calculate and emulate, just can guarantee that being loaded into latch mechanism load end meets required precision, right
Centre part required precision just improves.And some of them mechanism is directly bought, performance parameter is uncontrollable.The present invention program
Torque is monitored using with torque sensor, that is, test torque reloads latch mechanism load end by torque sensor, this
Sample does not just consider leading portion test torque transmission process loss, as long as recently entering that torque sensor torque meets the requirements can
With relatively low to device processing, matching requirements in this way, the realization of device to test function becomes feasible.
The above is only a preferred embodiment of the present invention, it should be pointed out that: for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (9)
1. a kind of test method of the torsion-testing apparatus of automatic door lock mechanism, it is characterised in that: the torque of automatic door lock mechanism
Test device includes block one (1), wheel disc (2), pedestal one (3), bearing block one (4), bearing block two (5), polished rod one (6), system
Dynamic device (7), mounting rack two (8), shaft coupling one (9), magnetic powders brake clutch group (10), shaft coupling two (11), bearing block three
(12), pedestal two (13), polished rod two (14), bearing block four (15), synchronous pulley one (16), block two (17), stepper motor
(18), mounting rack one (19), shaft coupling six (20), bearing block five (21), block three (22), polished rod three (23), synchronous pulley two
(24), block four (25), bearing block six (26), shaft coupling three (27), torque sensor (28), pedestal three (29), shaft coupling four
(30), bearing block seven (31), encoder (32), polished rod four (33), sleeve (34), bearing block eight (35), device for fixing screen on headrest (36,
37), shaft coupling five (38), latch mechanism mounting seat (39), block five (40), block six (41), synchronous belt (43), fixed platform
(45), in which:
The polished rod one (6), shaft coupling one (9), magnetic powders brake clutch group (10), shaft coupling two (11), polished rod two (14) according to
Secondary connection, the magnetic powders brake clutch group (10) are mounted on fixed platform (45), and the polished rod one (6) passes through bearing block one
(4), bearing block two (5) is mounted on pedestal one (3), and the polished rod two (14) passes through bearing block three (12), bearing block four (15)
It is mounted on pedestal two (13),
The wheel disc (2), brake (7) are mounted on polished rod one (6), and the wheel disc (2) and polished rod one (6) are connected by flat key
It connects, block one (1) is mounted on the end of polished rod one (6), moves axially for limiting wheel disc (2) along polished rod one (6), and the gear
The diameter of block one (1) is greater than the end diameter of polished rod one (6)；The brake (7) is connect with polished rod one (6) using flat key, is made
It is interference fit between dynamic device (7) and polished rod one (6), and the brake (7) is located between wheel disc (2) and shaft coupling one (9),
Brake (7) is fixedly mounted on mounting rack two (8), and mounting rack two (8) is mounted on fixed platform (45)；
The synchronous pulley one (16) is mounted on polished rod two (14), and synchronous pulley one (16) and polished rod two (14) pass through flat key
Connection, block two (17) are mounted on the end of polished rod two (14), axial along polished rod two (14) for limits synchronization belt wheel one (16)
Mobile, the diameter of block two (17) is greater than polished rod two (14) end diameter；
The stepper motor (18), shaft coupling six (20), polished rod three (23), shaft coupling three (27), torque sensor (28), shaft coupling
Device four (30), polished rod four (33) are sequentially connected, and torque sensor (28) is mounted on pedestal three (29), and pedestal three (29) is mounted on
In fixed platform (45), the polished rod three (23) is mounted on fixed platform (45) by bearing block six (26), bearing block five (21)
On, the polished rod four (33) is mounted on fixed platform (45) by bearing block seven (31), synchronous pulley two (24) installation
On polished rod three (23), and the synchronous pulley two (24) is connect with polished rod three (23) by flat key, the synchronous pulley two
(24) it is sequentially connected with synchronous pulley one (16) by synchronous belt (43)；
The synchronous pulley two (24) is between bearing block six (26), bearing block five (21), and the synchronous pulley two (24)
Block four (25), the synchronous pulley two (24) and bearing block five are provided on polished rod three (23) between bearing block six (26)
(21) block three (22) is provided on the polished rod three (23) between, the block four (25), block three (22) they are sleeve-like structure, Gu
Dingan County is on polished rod three (23)；The stepper motor (18) is mounted on motor mounting rack one (19), mounting rack one (19) peace
On fixed platform (45)；
The polished rod four (33) passes through sleeve (34), and the sleeve (34) and polished rod four (33) form revolute pair, sleeve (34)
Outer wall connect with bearing block eight (35), sleeve (34) and bearing block eight (35) are interference fitted；The sleeve (34) deviates from torque
The side of sensor (28) is connect with shaft coupling five (38), and the shaft coupling five (38) with latch mechanism load end for connecting；It compiles
Code device (32) is mounted on sleeve (34), and encoder (32) is connect with sleeve (34) using flat key, the shell of encoder (32)
Fixed device is mounted on device for fixing screen on headrest (36,37), and device for fixing screen on headrest (36,37) is mounted on fixed platform (45), bearing
Eight (35) of seat are mounted on device for fixing screen on headrest (36,37)；
Latch mechanism installation unit includes block five (40), block six (41), latch mechanism mounting seat (39), the block five
(40), block six (41) is located at the opposite both sides of latch mechanism mounting seat (39), and block five (40), block six (41), lock machine
Structure mounting seat (39) is mounted on fixed platform (45), and the latch mechanism mounting seat (39) is installed for latch mechanism, so that
Latch mechanism load end is connect with polished rod four (33) and shaft coupling five (38) respectively；
Test method the following steps are included:
The fixed latch mechanism of step 1. and suspension weight: rope one end is fixed on wheel disc (2), other end is wrapped in wheel disc (2)
Extension simultaneously hangs weight；Latch mechanism is fixed on latch mechanism mounting seat (39), waist on latch mechanism mounting seat (39) is utilized
Shape hole adjustment latch mechanism load end is connect with polished rod four (33) and shaft coupling five (38), latch mechanism mounting seat (39) position suitable
Afterwards, fixed kidney slot bolt；
Step 2. adjusts torque value: the dog point of magnetic powders brake clutch group (10) unclamps, clutch end closure, stepper motor
(18) it discharges, rotating wheel disk (2) hangs weight, and torque sensor (28) reads in torque data, and adjustment weight makes torque sensing
The torque value and standard torque difference of device (28) are within the allowable range；
Step 3. starts to test, the dog point braking of magnetic powders brake clutch group (10), clutch end separation；
Step 4. adjusts test angle: stepper motor (18) is enabled, inputs step-by-step impulse, adjustment latch mechanism load end to test
Point；Adjust axis, shaft coupling that torque passes through shaft coupling six (20), polished rod three (23), shaft coupling three (27), torque sensor (28)
Four (30), polished rod four (33) are transmitted to latch mechanism load end；
Step 5. load end input test torque and angle measurement: the release of stepper motor (18) motor, brake (7) braking, magnetic
The clutch end-apparatus of powder brake coupling group (10) is closed, the release of brake end, brake (7) release, and test torque is loaded into lock
Mechanism load end rotates angle by encoder (32) metering load end, and test torque is generated by the weight of wheel disc (2) and suspension,
By polished rod one (6), shaft coupling one (9), the axis of magnetic powders brake clutch group (10), shaft coupling two (11), polished rod two (14), same
Walk belt wheel one (16), synchronous belt (43), synchronous pulley two (24), polished rod three (23), shaft coupling three (27), torque sensor (28)
Axis, shaft coupling four (30), polished rod four (33) be input to latch mechanism load end；Angle measurement, load end angle change pass through connection
Axis device five (38), sleeve (34) pass to encoder (32)；
Step 6. repeats step 4,5 until the test point that latch mechanism load end requires all is completed to test；
Step 7. brake (7) braking, clutch unclamp, motor release, take down suspension weight, brake release.
2. the test method of the torsion-testing apparatus of automatic door lock mechanism according to claim 1, it is characterised in that: the magnetic
Powder brake coupling group (10) is mounted on fixed platform (45) using bolt, the braking of the magnetic powders brake clutch group (10)
End is connect with shaft coupling one (9) by flat key, and clutch end and the shaft coupling two (11) of magnetic powders brake clutch group (10) pass through
Flat key connection.
3. the test method of the torsion-testing apparatus of automatic door lock mechanism according to claim 1, it is characterised in that: described
Axis device one (9) is connect with polished rod one (6) by flat key, and shaft coupling two (11) is connect with polished rod two (14) by flat key.
4. the test method of the torsion-testing apparatus of automatic door lock mechanism according to claim 1, it is characterised in that: the bottom
One (3) of seat are mounted on fixed platform (45) using bolt, and the bearing block one (4), bearing block two (5) are mounted on by bolt
On pedestal one (3), polished rod one (6) passes through bearing block one (4), bearing block two (5), is between polished rod one (6) and bearing block one (4)
Interference fit is interference fit between polished rod one (6) and bearing block two (5)；Pedestal two (13) is mounted on fixed flat using bolt
On platform (45), bearing block three (12), bearing block four (15) are mounted on pedestal two (13), and polished rod two (14) passes through bearing block three
(12), bearing block four (15), and be interference fit, polished rod two (14) and bearing block between polished rod two (14) and bearing block three (12)
It is interference fit between four (15).
5. the test method of the torsion-testing apparatus of automatic door lock mechanism according to claim 1, it is characterised in that: torque passes
One end axis of sensor (28) is connect with shaft coupling three (27) by flat key, the other end axis and shaft coupling of torque sensor (28)
Four (30) are connected by flat key, and the shaft coupling three (27) is connect with polished rod three (23) using flat key, the shaft coupling four (30)
It is connect with polished rod four (33) by flat key；The motor shaft of the stepper motor (18) is connect with shaft coupling six (20) using flat key,
Shaft coupling six (20) is connect with polished rod three (23) using flat key.
6. the test method of the torsion-testing apparatus of automatic door lock mechanism according to claim 1, it is characterised in that: the axis
Hold seat six (26), bearing block five (21) is mounted on fixed platform (45) using bolt, the polished rod three (23) pass through bearing block
Six (26), bearing block five (21), and polished rod three (23) and bearing block six (26) they are interference fit, the polished rod three (23) and bearing
Five (21) of seat are interference fit；The polished rod four (33) is mounted on bearing block seven (31), and bearing block seven (31) is pacified using bolt
On fixed platform (45).
7. the test method of the torsion-testing apparatus of automatic door lock mechanism according to claim 1, it is characterised in that: the light
The left end diameter of bar one (6) is small, and right end diameter is big；The right end diameter of polished rod two (14) is small, and left end is big；The both ends of polished rod three (23)
The small intermediate sizes of diameter are big；The left end diameter of polished rod four (33) is small, and right end diameter is big；There are two steps in the left end of sleeve (34),
For hollow structure, outer wall dimension and bearing block eight (35) bearing inner race are interference fitted, and install hollow encoder (32), hollow hole
Diameter needs to guarantee that polished rod four (33) is worked normally without interfering；The step of left end second be for the step of left end first to be isolated,
Prevent it from having interference with bearing；Other first step is for guaranteeing that sleeve (34) are loaded by shaft coupling five (38) and latch mechanism
End connection.
8. the test method of the torsion-testing apparatus of automatic door lock mechanism according to claim 1, it is characterised in that: torque measuring
When examination, brake (7) loads torque, and magnetic powders brake clutch group (10) dog point unclamps, and is in free state, and clutch end closes
It closes, stepper motor (18) is in free state, is transmitted to polished rod four (33) by the torque that wheel disc generates, and is loaded into latch mechanism load
End, at this time by torque sensor (28) judge, after torque is steady, just cancel brake (7) torque, met the requirements and
Shock-free test torque.
9. the test method of the torsion-testing apparatus of automatic door lock mechanism according to claim 8, it is characterised in that: angle tune
When whole, magnetic powders brake clutch group (10) braking prevents weight freely falling body on wheel disc, magnetic powders brake clutch group (10) clutch
The separation of device end, the axis that clutch end is connect with shaft coupling two (11) are in free state, and such structure can make stepping electric
When machine (18) adjusts the angle, without overcoming suspension weight torque；Stepper motor (18) is enabled, under impulse action, adjusts lock machine
Structure load end is to next test angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811157667.7A CN109443613B (en) | 2018-09-30 | 2018-09-30 | A kind of torsion-testing apparatus and test method of automatic door lock mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811157667.7A CN109443613B (en) | 2018-09-30 | 2018-09-30 | A kind of torsion-testing apparatus and test method of automatic door lock mechanism |
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| CN109443613B true CN109443613B (en) | 2019-08-16 |
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| US6988420B2 (en) * | 2003-11-17 | 2006-01-24 | Lufkin Industries, Inc. | Method and apparatus for applying dynamic loads to a locked gear train for testing power transmission components |
| JP4682638B2 (en) * | 2005-02-14 | 2011-05-11 | 株式会社明電舎 | Calibration equipment for power test equipment |
| US9267856B2 (en) * | 2013-11-15 | 2016-02-23 | Futek Advanced Sensor Technology, Inc. | Load and torque sensing systems utilizing magnetic key for mechanical engagement |
| CN104142197B (en) * | 2014-08-08 | 2016-11-09 | 陕西金飞马测控技术有限公司 | Intelligence Torque Measuring System |
| CN105222944B (en) * | 2015-09-18 | 2018-01-02 | 河南航天精工制造有限公司 | The test method and high-temperature test device of locking torque test |
| CN207248401U (en) * | 2017-08-25 | 2018-04-17 | 重庆雨翔示辉变速箱有限公司 | A kind of P grades of locking and the torque test platform of unlock |
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