CN208350390U - The engine speed regulating device automatically controlled based on gas pedal - Google Patents
The engine speed regulating device automatically controlled based on gas pedal Download PDFInfo
- Publication number
- CN208350390U CN208350390U CN201821108078.5U CN201821108078U CN208350390U CN 208350390 U CN208350390 U CN 208350390U CN 201821108078 U CN201821108078 U CN 201821108078U CN 208350390 U CN208350390 U CN 208350390U
- Authority
- CN
- China
- Prior art keywords
- fixed
- engine speed
- magnetic
- automobile
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000001105 regulatory effect Effects 0.000 title claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000013480 data collection Methods 0.000 claims description 8
- 238000001179 sorption measurement Methods 0.000 claims description 8
- 230000001360 synchronised effect Effects 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 230000006870 function Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- WSNMPAVSZJSIMT-UHFFFAOYSA-N COc1c(C)c2COC(=O)c2c(O)c1CC(O)C1(C)CCC(=O)O1 Chemical compound COc1c(C)c2COC(=O)c2c(O)c1CC(O)C1(C)CCC(=O)O1 WSNMPAVSZJSIMT-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 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 description 1
- 238000012545 processing Methods 0.000 description 1
Landscapes
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Abstract
The utility model provides a kind of engine speed regulating device automatically controlled based on gas pedal, the executing agency of automotive interior to be measured connecting with control system is arranged in the control system that automobile external to be measured is arranged in including one and one, by industrial control computer, detection program is set, the target value R of engine speed is set, engine speed R is readi, servo motor is controlled by servo amplifier, Serve Motor Control throttle pressing plate adjusts accelerator pedal of automobile, as engine speed current value RiWhen less than R, control servo motor is rotated counterclockwise；As engine speed current value RiGreater than when, control servo motor rotates clockwise, while by number adopting processor and constantly reads engine speed and carrying out information feedback, and circulation adjusts accelerator pedal of automobile, until engine speed value is stable in target range；It quickly and accurately can make control of engine speed within the scope of rotating speed of target, realize the intellectualized detection of automobile.
Description
Technical field
The utility model belongs to automotive check ancillary equipment field, be related to it is a kind of based on gas pedal automatically control start
The automatic detection of machine speed setting unit, the vehicle dynamic quality being mainly used on vehicle testing line and exhaust emissions.
Background technique
Vehicle dynamic quality and emission detections are the projects that predominantly detects of automobile detection field, need to control in detection process
Engine processed is run according to certain revolving speed.
Predominantly staying in artificial gas pedal of trampling for the control of engine speed at present turns engine according to certain
Speed operation, this method low efficiency, low precision, intensity of workers are big.A small amount of automobile engine throttle is equipped with certainly at present
Dynamic regulating device, but the device is integrated with vehicle, it is not possible to it is used alone.Therefore, in order to make to be not equipped with oil
The automobile of door self-checking device also has the function of engine throttle automatic adjustment, it is desirable to provide a kind of automobile engine throttle
Automatic regulating system, enable directly, be easily loaded on automobile, to realize the function of engine throttle automatic adjustment.
Summary of the invention
The purpose of this utility model is to overcome current vehicle testing lines to carry out vehicle dynamic quality and emission performance detection
When, it is artificial to control the engine speed problem big in a certain section low efficiency, difficulty, one kind is provided and replaces people to come to hair with machine
Motivation revolving speed carries out the engine speed regulating device of dynamic regulation automatically controlled based on gas pedal.
In order to solve the above technical problems, the utility model adopts the following technical scheme that realization:
The utility model provides a kind of engine speed regulating device automatically controlled based on gas pedal, and feature exists
In, the control system that automobile external to be measured is arranged in including one and one, connecting with control system for automotive interior to be measured is set
The executing agency connect, control system include a control cabinet, a display are provided in control cabinet, an Industry Control calculates
Machine, a data collection processor and a servo amplifier, display, data collection processor and servo amplifier are and work
Industry controls computer connection, and data collection processor is connect with automobile ECU；
The vapour in automobile to be measured and between accelerator pedal of automobile and pilot set is arranged in the executing agency
On car bottom plate, executing agency includes the fixation bottom plate of a horizontally disposed rectangle, and four angles of fixed bottom plate are fixedly installed
Four magnetic stands, respectively close to No. 1 magnetic stand of accelerator pedal of automobile and No. 2 magnetic stands and close to operator's seat
No. 3 magnetic stands and No. 4 magnetic stands of chair have a servo motor fixation to set between No. 3 magnetic stands and No. 4 magnetic stands
It sets on fixed bottom plate, is fixed on fixed bottom plate between No. 1 magnetic stand and No. 2 magnetic stands there are two bearing block,
Wherein No. 1 bearing block is close to No. 1 magnetic stand, No. 2 bearing blocks close to No. 2 magnetic stands, No. 1 bearing block and No. 2 bearing blocks it
Between be provided with a transmission shaft, transmission shaft is fixedly installed a driven gear, and driven gear passes through synchronous belt and fixed setting
Driving gear connection on servo motor output shaft, the rear end of the throttle pressing plate of a rectangle are fixedly connected on the outer of transmission shaft
On cylindrical surface, the front end of throttle pressing plate is provided with a platen roller axis, and there are two pressing plates to roll for the both ends setting of platen roller axis
Wheel, four magnetic stand adsorption planes on car floor, are bonded fixed bottom plate with car floor, throttle pressure by magnetic-adsorption
Two platen rollers on plate are pressed on accelerator pedal of automobile, and servo motor is connect with servo amplifier.
Further technical solution includes:
The servo motor is fixed on fixed bottom plate by a L-type fixed plate, and the four of the level board of L-type fixed plate
In four long stripes through holes that a angle is fixed on fixed bottom plate by four bolts, the vertical plate center of L-type fixed plate is had
One circular hole, the output shaft of servo motor pass through the circular hole of L-type fixed plate vertical plate, and the four of the vertical plate of L-type fixed plate
Servo motor is fixed by four bolts in a angle.
There are four vertical magnetic stand fixed plate, each magnetic stand fixed plates for four angles fixed setting of fixed bottom plate
It is upper to pass through the fixed corresponding magnetic stand of two bolts.
Compared with prior art the beneficial effects of the utility model are:
The innovation of the utility model be to provide it is a kind of install machines to replace manual labor controlled by control gas pedal
The device and method of engine speed, the throttle pressing plate in executing agency can change the revolving speed of engine in real time, and number adopts processing
Device can acquire engine speed in real time, and engine speed information is fed back to industrial control computer, and Industry Control calculates
Machine uses PID control, real-time monitoring is carried out to executing agency, to more quickly and accurately make control of engine speed in mesh
It marks within the range of speeds, realizes the intellectualized detection of automobile.
Detailed description of the invention
The utility model will be further described below with reference to the accompanying drawings:
Control system in Fig. 1 engine speed regulating device described in the utility model automatically controlled based on gas pedal
The axonometric view schematic diagram of system I；
Execution machine in Fig. 2 engine speed regulating device described in the utility model automatically controlled based on gas pedal
The axonometric view schematic diagram of structure II；
Fixation bottom in Fig. 3 engine speed regulating device described in the utility model automatically controlled based on gas pedal
The structural schematic diagram of plate；
L-type in Fig. 4 engine speed regulating device described in the utility model automatically controlled based on gas pedal is solid
The structural schematic diagram of fixed board；
Fig. 5 engine speed regulating device described in the utility model automatically controlled based on gas pedal is at work
Movement relation schematic diagram between throttle pressing plate and accelerator pedal of automobile；
Fig. 6 engine speed regulating device described in the utility model automatically controlled based on gas pedal is at work
Schematic diagram of the movement relation under coordinate system between throttle pressing plate and accelerator pedal of automobile；
Fig. 7 engine speed regulating device described in the utility model automatically controlled based on gas pedal is at work
Schematic diagram of the movement relation under coordinate system between throttle pressing plate and accelerator pedal of automobile；
The workflow of Fig. 8 engine speed adjusting method described in the utility model automatically controlled based on gas pedal
Block diagram；
In figure, 1. control cabinets, 2. displays, 3. industrial control computers, 4. numbers adopt processor, 5. servo amplifiers, and 6.
Fixed bottom plate, 7.L type fixed plate, 8. servo motors, 9. No. 1 magnetic stands, 10. No. 2 magnetic stands, 11. No. 1 bearing blocks,
12. No. 2 bearing blocks, 13. driving gears, 4. driven gears, 15. synchronous belts, 16. throttle pressing plates, 17. transmission shafts, 18. No. 3
Magnetic stand, 19. No. 4 magnetic stands, 20. platen rollers, 21. gas pedals.
Specific embodiment
The utility model is explained in detail with reference to the accompanying drawing:
Refering to fig. 1 to Fig. 2, a kind of engine speed regulating device automatically controlled based on gas pedal includes control system
I, executing agency II.The control system I is adopted processor 4 and is watched including control cabinet 1, display 2, industrial control computer 3, number
Take amplifier 5.The executing agency II includes fixed bottom plate 6, L-type fixed plate 7, the magnetic of magnetic stand 9,2 of servo motor 8,1
The bearing block 11,2 of power gauge stand 10,1 bearing block 12, driven gear 14, synchronous belt 15, throttle pressing plate 16, passes driving gear 13
Moving axis 17,3 magnetic stand 18,4 magnetic stand 19, platen roller 20.
The utility model provides a kind of engine speed regulating device automatically controlled based on gas pedal, specific structure
As follows, what automotive interior to be measured was arranged in the control system I and one that automobile external to be measured is arranged in including one is with control
The executing agency II of I connection of system is provided with one and shows as shown in Figure 1, control system I includes a control cabinet 1 in control cabinet 1
Show that the data collection processor 4 of industrial control computer 3, one of device 2, one and a servo amplifier 5, display 2, data are adopted
Set processor 4 and servo amplifier 5 are connect with industrial control computer 3, and data collection processor 4 is connect with automobile ECU；
As shown in Fig. 2, the executing agency II is arranged in automobile to be measured and is located at accelerator pedal of automobile 21 and drives
On car floor between member's seat, executing agency II includes the fixation bottom plate 6 of a horizontally disposed rectangle, fixed bottom plate 6
The fixed setting of four angles there are four magnetic stand, respectively close to No. 1 magnetic stand 9 and No. 2 magnetic of accelerator pedal of automobile 21
19, No. 3 magnetic stand 18 and No. 4 magnetic of No. 3 magnetic stand 18 and No. 4 magnetic stands of power gauge stand 10 and close pilot set
There is a servo motor 8 to be fixed on fixed bottom plate 6 between power gauge stand 19, No. 1 magnetic stand 9 and No. 2 magnetic stand 10
Between be fixed on fixed bottom plate 6 there are two bearing block, wherein No. 1 bearing block 11 is close to 9, No. 2 bearings of No. 1 magnetic stand
Seat 12 is provided with a transmission shaft 17, transmission shaft 17 between 10, No. 1 bearing block 11 and No. 2 bearing block 12 of No. 2 magnetic stands
It is fixedly installed a driven gear 14, driven gear 14 is by synchronous belt 15 and is fixed on 8 output shaft of servo motor
Driving gear 13 connect, the rear end of the throttle pressing plate 16 of a rectangle is fixedly connected on the external cylindrical surface of transmission shaft 17, oil
The front end of door pressing plate 16 is provided with a platen roller axis, and the both ends setting of platen roller axis is there are two platen roller 20, and four
Magnetic stand adsorption plane on car floor, is bonded fixed bottom plate 6 with car floor, on throttle pressing plate 16 by magnetic-adsorption
Two platen rollers 20 be pressed on accelerator pedal of automobile 21, servo motor 8 is connect with servo amplifier 5.
The servo motor 8 is fixed on fixed bottom plate 6 by a L-type fixed plate 7, as shown in figure 4, L-type is fixed
Four angles of the level board of plate 7 are fixed in four long stripes through holes on fixed bottom plate 6 by four bolts, L-type fixed plate 7
Vertical plate center have a circular hole, the output shaft of servo motor 8 passes through the circular hole of 7 vertical plate of L-type fixed plate, L-type
Four angles of the vertical plate of fixed plate 7 are fixed by servo motor 8 by four bolts.
As shown in figure 3, there are four vertical magnetic stand fixed plate, each magnetic for four angles fixed setting of fixed bottom plate 6
Pass through the fixed corresponding magnetic stand of two bolts in power gauge stand fixed plate.The mounting hole of L-type fixed plate 7 is strip hole, can be with
Move servo motor 8 relative to 16 direction of throttle pressing plate, to realize the tensioning function of synchronous belt 15.
The utility model additionally provides a kind of engine speed adjusting method automatically controlled based on gas pedal, before use
Detection journey is arranged by industrial control computer in the engine speed regulating device automatically controlled described in face based on gas pedal
Sequence, first progress program initialization, is then arranged the target value R of engine speed, adopts processor 4 by number and reads engine turn
Fast Ri, the steady-state error of Stepped Impedance Resonators is eliminated by PID control, overshoot itself can rapidly be repaired by differential and integral
Just, and proportion adjustment does not postpone, as long as error occur, so that it may generate amendment response, if engine speed current value Servo motor 8 is then controlled by servo amplifier 5, servo motor 8 controls throttle pressing plate 16 and adjusts vapour
Vehicle gas pedal 21.As engine speed current value RiWhen less than (R-100) r/min, control servo motor 8 is rotated counterclockwise；
As engine speed current value RiWhen greater than (R+100) r/min, control servo motor 8 is rotated clockwise.Place is adopted by number simultaneously
It manages device 4 and constantly reads engine speed progress information feedback, circulation adjusts accelerator pedal of automobile, until engine speed value is stablized
In target range, detailed process is as follows for this method:
Step 1: four magnetic stands be powered after adsorption plane by magnetic-adsorption on car floor, make fixed bottom plate 6 with
Car floor is bonded, and two platen rollers 20 on throttle pressing plate 16 are pressed on accelerator pedal of automobile 21；
Step 2: by the setting detection program of industrial control computer 1, then vapour is arranged in progress program initialization first
The target value R of car engine revolving speed, data adopt processor 4 and read automobile engine current rotating speed R by automobile ECUiIf starting
Machine revolving speed current valueServo motor 8,8 output shaft of servo motor are then controlled by servo amplifier 5
Rotation drive the rotation of transmission shaft 17 to drive platen roller 20 to push to control throttle pressing plate 16 or lift use by synchronous belt 15
The volume under pressure of accelerator pedal of automobile 21 is adjusted, as engine current rotating speed RiWhen less than (R-100) r/min, servo amplifier 5
Control servo motor 8, which rotates counterclockwise, drives the pushing of platen roller 20 that the pushing raising engine of accelerator pedal of automobile 21 is made to work as forward
Speed；As engine current rotating speed RiWhen greater than (R+100) r/min, servo amplifier 5 controls servo motor 8 and rotates clockwise band
Dynamic pressure plate idler wheel 20, which lifts, lifts accelerator pedal of automobile 21 to reduce engine current rotating speed；Processor 4 is adopted by number simultaneously
It constantly reads rotating speed of automobile engine R and carries out information feedback, circulation adjusts accelerator pedal of automobile 21, until engine speed is current
Value RiWhen stablizing in the range of target value (R ± 100) r/min, servo amplifier 5, which makes servo motor 8 stop operating, makes automobile
Gas pedal 21 is stablized in current location；
It is described in the utility model based on gas pedal automatically control engine speed regulating device in adjustment process,
Relationship between the rotational angle α of throttle pressing plate 16 and the rotational angle β of gas pedal 21 is as follows:
It is as shown in Figures 5 to 7: 16 rotational angle α of the throttle pressing plate and 21 rotational angle β of accelerator pedal of automobile generated therewith
Corresponding relationship: it is horizontal with gas pedal 21 base side using the plumb line in the center of circle of 16 shaft end face of throttle pressing plate circle as Y-axis
While being sitting in straight line is X-axis, X-axis and Y-axis intersection point are the center of circle 0, and 16 rotational angle of throttle pressing plate is α, and gas pedal 21 is with throttle pressure
The rotational angle of plate 16 is β；A be horizontal plane where distance of center circle gas pedal 21 pedestal of 16 shaft end face of throttle pressing plate circle away from
From b is the extended line of 21 place straight line of gas pedal and the intersection point of x-axis arrives the distance between center of circle, and ac is throttle pressing plate 16
Longitudinal length is fixed value, can be obtained by measurement；Use A1Represent 16 place straight line of throttle pressing plate, A2Represent 21 institute of gas pedal
In straight line, A1With A2Intersection point is c (x, y).R1It is the circle where circular arc inswept when representing the rotation of 16 outermost end of throttle pressing plate, when
When throttle pressing plate 16 pushes, point c (x, y) is always in circle R1On.So far straight line A can be obtained1Equation are as follows: y=k1x+a；Straight line A2's
Equation are as follows: y=k2(x-b)；R1: x2+(y-a)2=ac2；(when the position of executing agency (II) is fixed, a, b, ac are constant.
It can be obtained by measurement).Simultaneous equations A1With equation A2The coordinate of point c (x, y) can be obtained, wherein unknown number is k1, k2。
Because point c is in R1On, so point c coordinate is substituted into R1In equation, k can be obtained1With k2Between relationship, relational expression isRemember α1It is the angle before throttle pressing plate 16 rotates between horizontal plane, β1It is
Gas pedal 20 rotates the preceding angle between horizontal plane, and because k1=tan α1, k2=tan β1.To obtain (1+ (tan α1))2
(a+b(tanβ1))2=ac2(tanβ1-tanα1)2.To obtain α1With β1Between relationship, similarly can be obtained 16 turns of throttle pressing plate
After dynamic α, the angle [alpha] between throttle pressing plate 16 and horizontal plane2Angle beta between gas pedal 21 and horizontal plane2Between pass
System.Because of α=α1-α2, β=β1-β2, it is possible to obtain the rotational angle α of throttle pressing plate 16 and the angle of rotation of gas pedal 21
Spend the relationship between β.
Claims (3)
1. the engine speed regulating device automatically controlled based on gas pedal, which is characterized in that be arranged including one to be measured
The executing agency of automotive interior to be measured connecting with control system (I) is arranged in the control system (I) of automobile external and one
(II), control system (I) includes a control cabinet (1), is provided with a display (2), an Industry Control in control cabinet (1)
Computer (3), a data collection processor (4) and a servo amplifier (5), display (2), data collection processor
(4) it is connect with industrial control computer (3) with servo amplifier (5), data collection processor (4) is connect with automobile ECU；
The executing agency (II) is arranged in automobile to be measured and between accelerator pedal of automobile (21) and pilot set
Car floor on, executing agency (II) includes the fixation bottom plate (6) of a horizontally disposed rectangle, the four of fixed bottom plate (6)
There are four magnetic stands for a angle fixed setting, respectively close to No. 1 magnetic stand (9) of accelerator pedal of automobile (21) and No. 2 magnetic
No. 3 magnetic stands (18) and No. 4 magnetic stands (19) of power gauge stand (10) and close pilot set, No. 3 magnetic stands
(18) servo motor (8) is fixed on fixed bottom plate (6) between No. 4 magnetic stands (19), No. 1 magnetic stand
(9) it is fixed on fixed bottom plate (6) between No. 2 magnetic stands (10) there are two bearing block, wherein No. 1 bearing block (11)
Close to No. 1 magnetic stand (9), No. 2 bearing blocks (12) are close to No. 2 magnetic stands (10), No. 1 bearing block (11) and No. 2 bearing blocks
(12) transmission shaft (17) is provided between, transmission shaft (17) is fixedly installed a driven gear (14), driven gear
(14) it is connect by synchronous belt (15) with the driving gear (13) being fixed on servo motor (8) output shaft, a rectangle
The rear end of throttle pressing plate (16) be fixedly connected on the external cylindrical surface of transmission shaft (17), the front end of throttle pressing plate (16) is provided with
One platen roller axis, there are two platen roller (20), four magnetic stand adsorption planes pass through for the both ends setting of platen roller axis
Magnetic-adsorption is bonded fixed bottom plate (6) with car floor, two platen rollers on throttle pressing plate (16) on car floor
(20) it is pressed on accelerator pedal of automobile (21), servo motor (8) is connect with servo amplifier (5).
2. the engine speed regulating device according to claim 1 automatically controlled based on gas pedal, which is characterized in that
The servo motor (8) is fixed on fixed bottom plate (6) by a L-type fixed plate (7), the level board of L-type fixed plate (7)
Four angles be fixed in four long stripes through holes on fixed bottom plate (6) by four bolts, L-type fixed plate (7) it is vertical
Plate center has a circular hole, and the output shaft of servo motor (8) passes through the circular hole of L-type fixed plate (7) vertical plate, and L-type is solid
Four angles of the vertical plate of fixed board (7) are fixed by servo motor (8) by four bolts.
3. the engine speed regulating device according to claim 1 automatically controlled based on gas pedal, which is characterized in that
Four angles fixed setting of fixed bottom plate (6) is led in each magnetic stand fixed plate there are four vertical magnetic stand fixed plate
Cross the fixed corresponding magnetic stand of two bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821108078.5U CN208350390U (en) | 2018-07-13 | 2018-07-13 | The engine speed regulating device automatically controlled based on gas pedal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821108078.5U CN208350390U (en) | 2018-07-13 | 2018-07-13 | The engine speed regulating device automatically controlled based on gas pedal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208350390U true CN208350390U (en) | 2019-01-08 |
Family
ID=64904624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821108078.5U Expired - Fee Related CN208350390U (en) | 2018-07-13 | 2018-07-13 | The engine speed regulating device automatically controlled based on gas pedal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208350390U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108760343A (en) * | 2018-07-13 | 2018-11-06 | 吉林大学 | The engine speed regulating device and adjusting method automatically controlled based on gas pedal |
-
2018
- 2018-07-13 CN CN201821108078.5U patent/CN208350390U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108760343A (en) * | 2018-07-13 | 2018-11-06 | 吉林大学 | The engine speed regulating device and adjusting method automatically controlled based on gas pedal |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206177175U (en) | A detector for measuring solid of revolution part runout amount | |
| CN102022990B (en) | Large gear measuring instrument | |
| CN111964916A (en) | Method for testing real vehicle rotary drum rack measurement items by using power assembly rack | |
| CN109506836B (en) | Automatic balancing machine for cross-flow fan blades and dynamic balance compensation processing method thereof | |
| CN208350390U (en) | The engine speed regulating device automatically controlled based on gas pedal | |
| CN1967979A (en) | Alignment device of out shaft of rotor axis of electric engine | |
| CN108760343A (en) | The engine speed regulating device and adjusting method automatically controlled based on gas pedal | |
| CN108020433B (en) | Method for simulating test performance by using electric power steering system test platform | |
| CN206330555U (en) | A kind of automatic crankshaft eccentric flowmeter | |
| CN210709967U (en) | Fabric defect detection device with speed regulation mechanism | |
| CN110230988A (en) | Hub detection device | |
| CN107525663A (en) | A kind of dynamic load simulating test device and method of testing | |
| CN206708709U (en) | A kind of high-precision rotary supports oiling device | |
| CN204388825U (en) | Screening device surveyed by a kind of axle shaft gear pad | |
| CN206779191U (en) | A kind of automobile mechanical rotating shaft apparatus for correcting | |
| CN213499358U (en) | Automatic cutting film laminating machine | |
| CN206369534U (en) | Tractor crankshaft device | |
| CN106768934B (en) | Speed variator gear shift mechanism performance measurement pilot system | |
| CN210322287U (en) | Special machine for testing comprehensive performance parameters of RV reducer | |
| JP4298886B2 (en) | Traction test method and apparatus | |
| CN207171763U (en) | A kind of automatic waxing apparatus | |
| CN206410874U (en) | A kind of rail vehicle elastic wheel bracket loading test platform | |
| CN206311328U (en) | A kind of bearing accelerated life test device | |
| CN104197985B (en) | Numerically-controlled knife rest detecting system and working method thereof | |
| CN206930268U (en) | The device of axial workpiece outer surface and endoporus cylindricity can be detected simultaneously |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190108 |