CN110375976A - A kind of air-pressure disc brake skid force simulation test experiment machine - Google Patents
A kind of air-pressure disc brake skid force simulation test experiment machine Download PDFInfo
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- CN110375976A CN110375976A CN201910679867.7A CN201910679867A CN110375976A CN 110375976 A CN110375976 A CN 110375976A CN 201910679867 A CN201910679867 A CN 201910679867A CN 110375976 A CN110375976 A CN 110375976A
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- 238000012360 testing method Methods 0.000 title claims abstract description 39
- 238000002474 experimental method Methods 0.000 title claims abstract description 29
- 238000004088 simulation Methods 0.000 title claims abstract description 28
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 49
- 230000005540 biological transmission Effects 0.000 claims abstract description 29
- 230000033001 locomotion Effects 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 8
- 238000005183 dynamical system Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 3
- 239000004973 liquid crystal related substance Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004807 localization Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/28—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for testing brakes
-
- 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
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
A kind of air-pressure disc brake skid force simulation test experiment machine, fixed block and registration arm pedestal are located at cam base side；It is rotatably connected to eccentric cam on cam base, the arc groove of arc is offered on eccentric cam, the center of circle of arc groove is not overlapped with the rotation center of eccentric cam；Left and right is connected with positioning push plate on experimental bench, and positioning push plate is located at side where registration arm pedestal and fixed block, positions and is fixedly connected with sliding pin in push plate, and sliding pin is sequentially connected in arc groove, and eccentric cam is connected with positioning push plate transmission；Be rotatably connected on registration arm pedestal correspondence setting, the securing registration arm of tested caliper, the free end of registration arm can be stretched to above fixed block, registration arm is driven with eccentric cam to be connected；The bracket support base for placing tested bracket is connected on fixed block, bracket support base is located at positioning push plate side, and after eccentric cam rotation, positioning push plate is promoted to tested bracket, meanwhile, registration arm, which inwardly rotates, clamps tested caliper.
Description
Technical field
The present invention relates to a kind of detection device more particularly to a kind of air-pressure disc brake skid force simulation test experiments
Machine.
Background technique
Equipment currently without being tested specifically for air-pressure disc brake skid force, but manual test is used, as long as
Under the action of self-weight, slide freely, however, there are product weights inconsistent, specification disunity and be unable to test specific
The shortcomings that data, intuitively can not judge whether product is qualified by data.
Summary of the invention
The present invention provides a kind of air-pressure disc brake skid force simulation test experiment machine for deficiency, which uses
Automatic operation reduces the labor intensity and difficulty of worker, which also uses intelligent checking system, reduces and manually makes a mistake
Probability, versatility is stronger, and the replacement of different model brake can be realized by more replacing a part.
The technical scheme to solve the above technical problems is that
A kind of air-pressure disc brake skid force simulation test experiment machine, including experimental bench (1), which is characterized in that experimental bench (1)
It is fixedly installed with fixed block (15), cam base (7) and registration arm pedestal (11), fixed block (15) and registration arm pedestal above
(11) it is located at cam base (7) side；It is rotatably connected on cam base (7) eccentric cam (5), eccentric cam opens up on (5)
There is the arc groove (24) of arc, the center of circle of arc groove (24) is not overlapped with the rotation center of eccentric cam (5)；On experimental bench (1)
Left and right is connected with positioning push plate (6), and positioning push plate (6) is located at side where registration arm pedestal (11) and fixed block (15), fixed
It is fixedly connected with sliding pin (8) in position push plate (6), sliding pin (8) is located in arc groove (24), and sliding pin (8) transmission connection is in circular arc
In slot (24), eccentric cam (5) is connected with positioning push plate (6) transmission；Registration arm pedestal is rotatably connected to correspondence on (11)
It is being arranged, tested caliper (3) securing registration arm (10), the free end of registration arm (10) can be stretched on fixed block (15)
Side, registration arm (10) are connected with eccentric cam (5) transmission；The branch for placing tested bracket (4) is connected on fixed block (15)
Frame support base (12), bracket support base (12) are located at positioning push plate (6) side and position push plate (6) after eccentric cam (5) rotation
It is promoted to tested bracket (4), meanwhile, inwardly rotation clamps tested caliper (3) to registration arm (10).
According to a kind of air-pressure disc brake skid force simulation test experiment machine, which is characterized in that the experiment
The cam base (7) of a pair of of correspondence setting is fixedly mounted in platform (1) above, turns respectively on each cam base (7)
Dynamic to be connected with cam drive axis (16), the eccentric cam (5) is fixedly connected on wherein one end of cam drive axis (16), cam
The other end of transmission shaft (16) is fixedly connected with cam bevel gear (19)；A pair of of correspondence is fixedly mounted in experimental bench (1) above
The registration arm pedestal (11) being arranged, forward and backward registration arm pedestal (11) and forward and backward cam base (7) correspond, Mei Geding
It is all rotatably connected to respectively registration arm transmission shaft (18) on position arm pedestal (11), the registration arm (10) is fixedly connected on registration arm
Wherein one end of transmission shaft (18), the other end of registration arm transmission shaft (18) are fixedly connected with registration arm bevel gear (17), positioning
Arm bevel gear (17) is connected with cam bevel gear (19).
According to a kind of air-pressure disc brake skid force simulation test experiment machine, which is characterized in that the bracket
Support base (12) includes the first support base (121) and the second support base (122) of correspondence setting, the first support base (121)
It is fixedly linked with the fixed block (15), the second support base (122) is connected with fixed block (15) fore-aft travel, the first support base
(121) relative rotation is connected with bracket support base adjusting screw rod (13) on, and the second support base (122) and bracket support base adjust spiral shell
Bar (13) is connected by screw thread.
According to a kind of air-pressure disc brake skid force simulation test experiment machine, which is characterized in that the positioning
Push plate (6) is fixedly connected with guiding axis (9), and the trend of guiding axis (9) is consistent with the positioning direction of motion of push plate (6), described fixed
It is fixedly connected with guide runner (14) in position push plate (6) or on the cam base (7), guiding axis (9) and guide runner (14)
Sliding is connected.
According to a kind of air-pressure disc brake skid force simulation test experiment machine, which is characterized in that the positioning
Base aperture (25) of the opening towards side is offered on arm pedestal (11), the registration arm (10) is fixedly connected with protruding shaft (22),
Protruding shaft (22) rotation is plugged in base aperture (25).
According to a kind of air-pressure disc brake skid force simulation test experiment machine, which is characterized in that the positioning
The rotation center of arm (10) offers driving hole (23), and the registration arm transmission shaft (18) is fixedly connected in driving hole (23).
According to a kind of air-pressure disc brake skid force simulation test experiment machine, which is characterized in that the bias
The rotation center of cam (5) offers eccentric orfice (26), and the cam drive axis (16) is fixedly connected in eccentric orfice (26).
According to a kind of air-pressure disc brake skid force simulation test experiment machine, which is characterized in that the bias
Cam (5), which extends outwardly, is fixedly connected with operating stick (20).
According to a kind of air-pressure disc brake skid force simulation test experiment machine, which is characterized in that the fixation
Block (15) offers sliding slot (21), and sliding slot (21) has trapezoidal notch, and second support base (122) is slidably connected at sliding slot
(21) in.
According to a kind of air-pressure disc brake skid force simulation test experiment machine, which is characterized in that the positioning
Push plate (6) correspondence is fixedly connected with a pair of sliding pin (8), and sliding pin (8) is straight pin, and sliding pin (8) is sequentially connected described
In arc groove (24).
According to a kind of air-pressure disc brake skid force simulation test experiment machine, which is characterized in that the fixation
For block (15) between forward and backward registration arm pedestal (11), forward and backward cam base (7) is located at forward and backward registration arm pedestal (11) one
Side；The registration arm (10) is L shape, and the free end of registration arm (10) is located at inboard.
According to a kind of air-pressure disc brake skid force simulation test experiment machine, which is characterized in that the testing machine
It further include control system (27), design has liquid crystal display (28), start button (29), stop button in control system (27)
(30) it is provided with tension sensor (32) with dynamical system (31), the output end of dynamical system (31), tension sensor (32)
One end is equipped with connection ring (33), and connection ring (33) is connected with the drag hook (2) being connected with tested caliper (3).
The present invention is tested caliper by adjusting the spacing between the first support base and the second support base, to adapt to different model
Replacement.Dynamical system using PLC program control motor positive and negative rotation, realize the reciprocal of movement, may be implemented control one by
Button just realizes test, and tension sensor records torque in real time, and by the parameter of inner setting, directly whether judgement product
It is qualified.
The present invention is a kind of suitable for detecting after the completion of air-pressure disc brake general assembly to brake system skid force
Device, major function are that the size of the skid force of caliper bracket when carrying out brake to air-pressure disc brake is surveyed
Examination.The machine uses automatic operation, reduces the labor intensity and difficulty of worker, which also uses intelligent checking system,
The probability manually made a mistake is reduced, versatility is stronger, and the replacement of different model brake can be realized by more replacing a part.
Detailed description of the invention
Fig. 1 is schematic view of the front view of the invention；
Fig. 2 is overlooking structure diagram of the invention；
Fig. 3 is left view structural representation of the invention；
Fig. 4 is right side structural representation of the invention；
Fig. 5 is schematic perspective view of the invention；
Fig. 6 is the structural schematic diagram after the eccentric cam rotation in the present invention；
Fig. 7 is that Fig. 1 removes the structural schematic diagram after experimental bench；
Fig. 8 is the A-A schematic cross-sectional view of Fig. 7；
Fig. 9 is the B-B schematic cross-sectional view of Fig. 7；
Figure 10 is the partial enlargement structural representation of Fig. 1；
Figure 11 is the structural schematic diagram of eccentric cam in the present invention；
Figure 12 is the structural schematic diagram of registration arm in the present invention；
Figure 13 is the structural schematic diagram of registration arm pedestal in the present invention；
Figure 14 is the structural schematic diagram of fixed block and sliding slot in the present invention；
Figure 15 is the structural schematic diagram of drag hook in the present invention.
In attached drawing:
1, experimental bench；2, drag hook；3, it is tested caliper；4, it is tested bracket；5, eccentric cam；6, push plate is positioned；7, cam base；8,
Sliding pin；9, guiding axis；10, registration arm；11, registration arm pedestal；12, bracket support base；121, the first support base；122, second
Support seat；13, bracket support base adjusting screw rod；14, guide runner；15, fixed block；16, cam drive axis；17, registration arm bores tooth
Wheel；18, registration arm transmission shaft；19, cam bevel gear；20, operating stick；21, sliding slot；22, protruding shaft；23, driving hole；24, circular arc
Slot；25, base aperture；26, eccentric orfice；27, control system；28, liquid crystal display；29, start button；30, stop button；31,
Dynamical system；32, tension sensor；33, connection ring.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
As shown in Fig. 1 to Figure 15, a kind of air-pressure disc brake skid force simulation test experiment machine, including experimental bench (1),
Experimental bench (1) is fixedly installed with fixed block (15), cam base (7) and registration arm pedestal (11) above, fixed block (15) and calmly
Position arm pedestal (11) is located at cam base (7) side；Eccentric cam (5), eccentric cam are rotatably connected on cam base (7)
(5) arc groove (24) of arc is offered on, the center of circle of arc groove (24) is not overlapped with the rotation center of eccentric cam (5)；It is real
It tests left and right on platform (1) and is connected with positioning push plate (6), positioning push plate (6) is located at registration arm pedestal (11) and fixed block (15)
Place side positions and is fixedly connected with sliding pin (8) on push plate (6), and sliding pin (8) is located in arc groove (24), and sliding pin (8) transmission connects
It connects in arc groove (24), eccentric cam (5) is connected with positioning push plate (6) transmission；Registration arm pedestal is rotatably connected on (11)
Correspondence setting, tested caliper (3) securing registration arm (10), the free end of registration arm (10) can be stretched to fixed block
(15) top, registration arm (10) are connected with eccentric cam (5) transmission；Fixed block is connected on (15) for placing tested bracket
(4) bracket support base (12), bracket support base (12) is located at positioning push plate (6) side, after eccentric cam (5) rotation, positioning
Push plate (6) is promoted to tested bracket (4), meanwhile, inwardly rotation clamps tested caliper (3) to registration arm (10).
The cam base (7) of a pair of of correspondence setting, each cam base is fixedly mounted in the experimental bench (1) above
It is all rotatably connected to respectively cam drive axis (16) on seat (7), the eccentric cam (5) is fixedly connected on cam drive axis (16)
Wherein one end, the other end of cam drive axis (16) is fixedly connected with cam bevel gear (19)；Experimental bench (1) is fixed above to pacify
Fill the registration arm pedestal (11) of a pair of of correspondence setting, forward and backward registration arm pedestal (11) and forward and backward cam base (7)
It corresponds, is rotatably connected to respectively registration arm transmission shaft (18) on each registration arm pedestal (11), the registration arm (10)
It is fixedly connected on wherein one end of registration arm transmission shaft (18), the other end of registration arm transmission shaft (18) is fixedly connected with registration arm
Bevel gear (17), registration arm bevel gear (17) are connected with cam bevel gear (19).
The bracket support base (12) includes the first support base (121) and the second support base (122) of correspondence setting,
First support base (121) is fixedly linked with the fixed block (15), the second support base (122) and fixed block (15) fore-aft travel phase
Even, relative rotation is connected with bracket support base adjusting screw rod (13), the second support base (122) and branch on the first support base (121)
Frame support base adjusting screw rod (13) is connected by screw thread.
The positioning push plate (6) is fixedly connected with guiding axis (9), the trend of guiding axis (9) and the movement of positioning push plate (6)
Direction is consistent, is fixedly connected with guide runner (14) on the positioning push plate (6) or on the cam base (7), guiding axis (9)
It is connected with guide runner (14) sliding.
Base aperture (25) of the opening towards side is offered on the registration arm pedestal (11), the registration arm (10) is fixed
It is connected with protruding shaft (22), protruding shaft (22) rotation is plugged in base aperture (25).
In the present embodiment, the rotation center of the registration arm (10) offers driving hole (23), the registration arm transmission
Axis (18) is fixedly connected in driving hole (23).
In the present embodiment, the rotation center of the eccentric cam (5) offers eccentric orfice (26), the cam drive axis
(16) it is fixedly connected in eccentric orfice (26).
The eccentric cam (5), which extends outwardly, is fixedly connected with operating stick (20).
The fixed block (15) offers sliding slot (21), and sliding slot (21) has trapezoidal notch, second support base
(122) it is slidably connected in sliding slot (21).
Positioning push plate (6) correspondence is fixedly connected with a pair of sliding pin (8), and sliding pin (8) is straight pin, sliding pin
(8) transmission connection is in the arc groove (24).
Between forward and backward registration arm pedestal (11), it is forward and backward fixed that forward and backward cam base (7) is located at the fixed block (15)
Position arm pedestal (11) side；The registration arm (10) is L shape, and the free end of registration arm (10) is located at inboard.
The testing machine further includes control system (27), and design has liquid crystal display (28), starting to press in control system (27)
Button (29), stop button (30) and dynamical system (31), the output end of dynamical system (31) are provided with tension sensor (32),
Tension sensor (32) one end is equipped with connection ring (33), and connection ring (33) is connected with the drag hook (2) being connected with tested caliper (3).
The present invention is a kind of detection device, for air-pressure disc brake general assembly after the completion to brake system skid force
Detection, measure guide pin after air-pressure disc brake carries out brake and discharges on caliper and bracket in a short time
The size of skid force, is exactly the resistance to sliding between caliper and bracket in fact, and caliper bracket is slidably matched by guide pin connection
Experimental bench 1 is bolted registration arm pedestal 11, cam base 7 and the fixation with sliding slot 21 on flat test platform
Block 15 is all made of bolt and is fixed on experimental bench 1；The protruding shaft 22 and the base aperture 25 on registration arm pedestal 11 in 10 left side of registration arm
Connection, registration arm 10 can be realized to move in a circle around registration arm pedestal, and the driving hole 23 and registration arm on 10 right side of registration arm pass
Moving axis 18 is linked together by tight fit or key etc., and registration arm transmission shaft 18 is connect with registration arm bevel gear 17, registration arm cone
Gear 17 and cam bevel gear 19 cooperate, and cam bevel gear 19 is fixedly connected with cam drive axis 16,16 top of cam drive axis
It is achieved a fixed connection with the eccentric orfice 26 on eccentric cam 5 by close-fitting or key etc. by cam base 7, to realize power
Transmitting；And the arc groove 24 of eccentric cam 5 and positioning push plate 6 on sliding pin 8 formed circular arc cooperation, sliding pin can in arc groove edge
Circular motion is additionally provided with the operating stick 20 for being manually operated on eccentric cam, positions and is also connected with guiding axis 9 in push plate 6,
Positioning push plate 6 is formed with the guide runner 14 of the other end being fixed on cam base again to be cooperated；And the bracket branch below bracket 4
It supports seat 12 and fixed block 15 to cooperate by trapezoidal notch, and is threadedly coupled with the bracket support formation of adjusting screw rod 13.So far, entirely
Positioning device connection finishes.
Its working principle is that: first passing through runing rest support 13 adjustable range of adjusting screw rod to selection needs product to be tested
The distance of the bracket support base 12 of (bracket 4 and caliper 3) specification, that is, adjust two support bases distance to suitable carrier openings away from
From, then mounted bracket and caliper are inverted on bracket support base 12, pass through rotation process bar 20, swing eccentric cam
5, and then the sliding pin positioned in push plate moves in sliding slot along track, to push localization handspike 6 to push ahead, to caliper tail portion
Locked, at the same time eccentric cam 5 because with cam bevel gear 19 cam drive axis 16 in a manner of key or close-fitting
It is fixedly connected, cam bevel gear 19 can be delivered torque to, and cam bevel gear 19 cooperates with registration arm bevel gear 17, then will
The rotary motion of horizontal direction is converted into the vertical direction rotary motion of registration arm bevel gear 17, and registration arm bevel gear 17 and fixed
Position arm 10 is connected in a manner of key registration arm transmission shaft 18, so that the rotary motion of vertical direction is passed to registration arm
(registration arm is rotatable), so, eccentric cam 5 turn an angle will positioning push plate 6 push bracket 4 to while, registration arm
10 also rotate a certain angle, to realize the dual function of positioning and clamping, eccentric cam, which continues movement, can be driven to extremely
Point position is automatically locked, the locking of localization handspike 6 and 10 collective effect of registration arm realization workpiece.
The features of the present invention is as follows:
1, using can self-return eccentric cam mechanism and bevel gear mechanism special compounding, realize positioning and clamping
Synchronism only needs an operation that can be completed at the same time quickly and accurate clamping (clamping includes positioning and clamping), significantly simple
Artificial operating procedure is changed.
2, using special nonstandard support base, can be different according to bracket model and adjust spacing, i.e. the first support base and the
The overall size of the distance between two support bases namely two support bases, to realize the quick and accurate of various sizes of bracket
Positioning, greatly improves the versatility of testing stand.
3, using special nonstandard registration arm (can rotate synchronously with eccentric cam), more accurate positioning is realized.
4, self-adjustable drag hook is used, drag hook is the structure of double cambered surfaces, connect with caliper more firm, is back and forth being transported
Every side can all provide power when dynamic, move more stable
The good connection of transmission device and caliper is realized, that is, only needs to have good positioning caliper, can be connected automatically.
5, the special-shaped machined surface special using existing product itself has overturned product upside-down mounting traditional by being threadedly coupled
Positioning method, realize more accurate positioning.
In addition there are also the chain pipe fitting drag hook 2 for being used for connecting test platform and positioning mechanism, drag hook one end and test when work
Platform connection, the other end are connect with tested part.
Registration arm mainly plays the role of positioning, and could fix tested caliper with positioning push plate collective effect.
Bracket support base includes two component parts, i.e., not threaded first support base and threaded second support
Seat, is provided with bracket support base adjusting screw rod wherein on a support base, bracket support base adjusting screw rod one end with first
The connection of seat relative rotation is supportted, is connected through a screw thread with the second support base, may be implemented two after runing rest support base adjusting screw rod
Gap adjustment between a support base, to adapt to the product test of different size.
It positions push plate to be sequentially connected by sliding pin and eccentric cam, guide runner is fixedly connected with cam base.
Claims (10)
1. a kind of air-pressure disc brake skid force simulation test experiment machine, including experimental bench (1), which is characterized in that experimental bench
(1) it is fixedly installed with fixed block (15), cam base (7) and registration arm pedestal (11), fixed block (15) and registration arm base above
Seat (11) is located at cam base (7) side；It is rotatably connected on cam base (7) eccentric cam (5), eccentric cam is opened on (5)
The center of circle of arc groove (24) equipped with arc, arc groove (24) is not overlapped with the rotation center of eccentric cam (5)；Experimental bench (1)
Upper left and right is connected with positioning push plate (6), and positioning push plate (6) is located at side where registration arm pedestal (11) and fixed block (15),
It is fixedly connected with sliding pin (8) in positioning push plate (6), sliding pin (8) is located in arc groove (24), and sliding pin (8) transmission connection is in circle
In arc slot (24), eccentric cam (5) is connected with positioning push plate (6) transmission；It is right that front and back is rotatably connected on registration arm pedestal (11)
It is should being arranged, tested caliper (3) securing registration arm (10), the free end of registration arm (10) can be stretched on fixed block (15)
Side, registration arm (10) are connected with eccentric cam (5) transmission；The branch for placing tested bracket (4) is connected on fixed block (15)
Frame support base (12), bracket support base (12) are located at positioning push plate (6) side and position push plate (6) after eccentric cam (5) rotation
It is promoted to tested bracket (4), meanwhile, inwardly rotation clamps tested caliper (3) to registration arm (10).
2. a kind of air-pressure disc brake skid force simulation test experiment machine according to claim 1, which is characterized in that institute
The cam base (7) that a pair of of correspondence setting is fixedly mounted in experimental bench (1) above is stated, on each cam base (7)
It is rotatably connected to respectively cam drive axis (16), the eccentric cam (5) is fixedly connected on wherein the one of cam drive axis (16)
End, the other end of cam drive axis (16) are fixedly connected with cam bevel gear (19)；Before a pair is fixedly mounted in experimental bench (1) above
The registration arm pedestal (11) being correspondingly arranged afterwards, forward and backward registration arm pedestal (11) and forward and backward cam base (7) correspond,
It is rotatably connected to respectively registration arm transmission shaft (18) on each registration arm pedestal (11), the registration arm (10) is fixedly connected on
The other end of wherein one end of registration arm transmission shaft (18), registration arm transmission shaft (18) is fixedly connected with registration arm bevel gear
(17), registration arm bevel gear (17) is connected with cam bevel gear (19).
3. a kind of air-pressure disc brake skid force simulation test experiment machine according to claim 1, which is characterized in that institute
State the first support base (121) and the second support base (122) that bracket support base (12) includes correspondence setting, the first support base
(121) it being fixedly linked with the fixed block (15), the second support base (122) is connected with fixed block (15) fore-aft travel, and first
Relative rotation is connected with bracket support base adjusting screw rod (13), the second support base (122) and bracket support base tune in support seat (121)
Section screw rod (13) is connected by screw thread.
4. a kind of air-pressure disc brake skid force simulation test experiment machine according to claim 1, which is characterized in that institute
Positioning push plate (6) to be stated to be fixedly connected with guiding axis (9), the trend of guiding axis (9) is consistent with the positioning direction of motion of push plate (6),
It is fixedly connected with guide runner (14) on the positioning push plate (6) or on the cam base (7), guiding axis (9) and guiding are slided
Block (14) sliding is connected.
5. a kind of air-pressure disc brake skid force simulation test experiment machine according to claim 1, which is characterized in that institute
It states and offers base aperture (25) of the opening towards side on registration arm pedestal (11), the registration arm (10) is fixedly connected with protruding shaft
(22), protruding shaft (22) rotation is plugged in base aperture (25).
6. a kind of air-pressure disc brake skid force simulation test experiment machine according to claim 2, which is characterized in that institute
The rotation center for stating registration arm (10) offers driving hole (23), and the registration arm transmission shaft (18) is fixedly connected on driving hole
(23) in.
7. a kind of air-pressure disc brake skid force simulation test experiment machine according to claim 2, which is characterized in that institute
The rotation center for stating eccentric cam (5) offers eccentric orfice (26), and the cam drive axis (16) is fixedly connected on eccentric orfice
(26) in.
8. a kind of air-pressure disc brake skid force simulation test experiment machine according to claim 1, which is characterized in that institute
It states eccentric cam (5) and extends outwardly and be fixedly connected with operating stick (20).
9. a kind of air-pressure disc brake skid force simulation test experiment machine according to claim 3, which is characterized in that institute
It states fixed block (15) to offer sliding slot (21), sliding slot (21) has trapezoidal notch, and second support base (122) is slidably connected
In sliding slot (21).
10. a kind of air-pressure disc brake skid force simulation test experiment machine according to claim 2, which is characterized in that
Positioning push plate (6) correspondence is fixedly connected with a pair of sliding pin (8), and sliding pin (8) is straight pin, and sliding pin (8) transmission connects
It connects in the arc groove (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910679867.7A CN110375976B (en) | 2019-07-26 | 2019-07-26 | Air pressure disc brake sliding force simulation test machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910679867.7A CN110375976B (en) | 2019-07-26 | 2019-07-26 | Air pressure disc brake sliding force simulation test machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110375976A true CN110375976A (en) | 2019-10-25 |
| CN110375976B CN110375976B (en) | 2024-07-09 |
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ID=68256198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910679867.7A Active CN110375976B (en) | 2019-07-26 | 2019-07-26 | Air pressure disc brake sliding force simulation test machine |
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| Country | Link |
|---|---|
| CN (1) | CN110375976B (en) |
Cited By (1)
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| CN110375976B (en) | 2024-07-09 |
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