CN114199592B - Automobile horsepower machine capable of preventing driving - Google Patents
Automobile horsepower machine capable of preventing driving Download PDFInfo
- Publication number
- CN114199592B CN114199592B CN202111656863.0A CN202111656863A CN114199592B CN 114199592 B CN114199592 B CN 114199592B CN 202111656863 A CN202111656863 A CN 202111656863A CN 114199592 B CN114199592 B CN 114199592B
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- roller
- rollers
- vehicle
- metal disc
- jacking
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/0072—Wheeled or endless-tracked vehicles the wheels of the vehicle co-operating with rotatable rolls
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/0072—Wheeled or endless-tracked vehicles the wheels of the vehicle co-operating with rotatable rolls
- G01M17/0074—Details, e.g. roller construction, vehicle restraining devices
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
The invention relates to an automobile horsepower machine for preventing a vehicle from being washed, which effectively solves the problem that the vehicle can be washed forward suddenly when a roller of the horsepower machine is blocked suddenly; the technical scheme includes that the test unit comprises a horizontal bottom plate, a plurality of hydraulic cylinders are arranged below the bottom plate, two groups of horizontal rollers are arranged on the bottom plate, any one of the rollers is clamped to enable all the hydraulic cylinders to be decompressed, the rollers descend, the two groups of jacking units are arranged on one side of the test unit and correspond to the two groups of rollers in front and back, the jacking units support a vehicle after the rollers descend, and if the vehicle is in front of the vehicle, the jacking units lift the vehicle to enable driving wheels to be suspended; when the roller is jammed, the invention can quickly lead the driving wheel to be suspended and lose the grip force so as to cut off the driving force to brake the vehicle, thereby avoiding financial loss and casualty accidents caused by sudden forward impact of the vehicle due to the jamming of the roller and greatly improving the safety of the horsepower machine.
Description
Technical Field
The invention relates to the field of automobile related equipment, in particular to an automobile horsepower machine for preventing a car from being washed.
Background
The device for measuring the power of the driving wheel of the automobile mainly comprises a roller and an eddy current machine connected in series with the roller, wherein the driving wheel of the automobile rides on the roller during measurement, the roller synchronously rotates along with the driving wheel, and the driving power of the automobile is measured by measuring the damping power applied to the roller by the eddy current machine; when the driving wheel and the horsepower machine roller rotate at a high speed, if the roller is suddenly blocked, the automobile can suddenly rush forward in the moment, so that the damage and casualties of the automobile and equipment are caused, the protection equipment for such accidents is lacking at present, the automobile is generally limited by bolting a pull rope at the tail of the automobile, but the front-thrust rope of the automobile can be instantly tightened when the accidents happen, danger is very easy to occur and the automobile can be damaged, in addition, the pulling direction of the pull rope is difficult to be completely consistent with the direction of the steering wheel, and the pull rope can bias the tail of the automobile, so that the tail of the automobile is even out of control.
Disclosure of Invention
The invention provides an automobile horsepower machine capable of preventing a vehicle from being washed, which is used for solving the problem that the vehicle can be washed forward suddenly when a roller of the horsepower machine is blocked suddenly.
The automobile horsepower machine for preventing the car from being washed comprises a test unit and two groups of jacking units, wherein the test unit comprises a horizontal bottom plate, a plurality of first hydraulic cylinders and a plurality of first springs are arranged below the bottom plate, a pressure relief pipe is arranged at the bottom of each first hydraulic cylinder, and an electric control pressure relief valve is arranged on the pressure relief pipe; two groups of horizontal rollers are arranged on the bottom plate, each group of rollers comprises a main roller and a secondary roller, the main roller and the secondary rollers are arranged side by side at the same height, the two main rollers are coaxially arranged and connected through a coupling, the two secondary rollers are coaxially arranged, and one end of the main roller is provided with an electric vortex machine; a chain wheel is coaxially fixed on each roller, a chain is connected between the chain wheels on the main roller and the auxiliary roller in the same group, the chain wheels on the auxiliary roller are matched with the core shaft of the auxiliary roller through friction pairs, when the chain wheels on the auxiliary roller are overloaded, the chain wheels can rotate relative to the auxiliary roller, a first metal disc is fixed on the end face of the chain wheels of the auxiliary roller, a second metal disc is fixed on the core shaft of the auxiliary roller, a conductor capable of being twisted off is connected between the first metal disc and the second metal disc, the first metal disc, the second metal disc and the conductor form a switch unit, the switch units on the two auxiliary rollers are connected in series, and a plurality of electric control pressure relief valves are connected in series with the two switch units after being connected in parallel;
two sets of jacking units set up in the one side of test unit and correspond around two sets of rollers, and every jacking unit of group includes a backing block and a kicking block, and the kicking block is folded and is pressed on the backing block and fix a position through a plurality of locating pins, is equipped with the second pneumatic cylinder on the backing block, and the spout that has one end to be high one end to be low is opened to the kicking block upper end, is equipped with one in the spout and follows the gliding supporting shoe of spout, and a plurality of elasticity fixture blocks are installed to the bottom of spout, and the upper end of fixture block is the wedge, and elasticity fixture block makes the supporting shoe only can slide to the higher one end of spout.
The axis of the chain wheel on the auxiliary roller is fixedly provided with a first inner conical friction sleeve, the mandrel of the auxiliary roller is fixedly provided with a second outer conical friction sleeve, the first friction sleeve is matched with the second friction sleeve, the mandrel of the auxiliary roller is provided with a compression nut in a rotating mode, and the compression nut pushes the chain wheel to the large end of the second friction sleeve, so that the inner wall of the first friction sleeve is compressed with the outer wall of the second friction sleeve.
The outer sides of the first metal disc and the second metal disc are respectively provided with an electric brush which is contacted with the outer wall of the first metal disc and the second metal disc; an insulating sleeve is arranged between the second metal disc and the mandrel of the auxiliary roller.
The conductor is provided with an annular fracture groove.
The bottom blocks of each group of jacking units are respectively penetrated with a left-right threaded rod, and the positions of the jacking units can be adjusted by rotating the threaded rods.
The lower part of the supporting block is provided with a front group of rollers and a rear group of rollers, each side wall of the sliding groove is provided with a limiting groove parallel to the sliding groove, and the outer end of the wheel shaft of each roller extends into the limiting groove.
The bottom of spout open and have a plurality of blind holes along length equipartition, elastic fixture block installs in the blind hole, and elastic fixture block lower extreme installs the second spring.
One end of the supporting block, which is higher in bottom surface, is provided with a chamfer angle.
The threaded rod is provided with a driven gear which is meshed with a driving gear, the driving gear is connected with a driving motor, and the driving motor drives the threaded rod to rotate through a gear set.
The test unit is arranged in a pit, and the upper side of the roller leaks out of the pit.
When the roller is jammed, the invention can quickly lead the driving wheel to be suspended and lose the grip force so as to cut off the driving force to brake the vehicle, thereby avoiding financial loss and casualty accidents caused by sudden forward impact of the vehicle due to the jamming of the roller and greatly improving the safety of the horsepower machine.
Drawings
Fig. 1 is a front cross-sectional view of the present invention.
Fig. 2 is a left side view of the present invention.
Fig. 3 is a top view of the present invention.
Fig. 4 is a front view of the inside of the jacking unit.
Fig. 5 is a left side cross-sectional view of the jacking unit.
Fig. 6 is a top view within the jacking unit.
Fig. 7 is an enlarged view of the position a in fig. 3.
Fig. 8 is a circuit diagram of an electronically controlled pressure relief valve.
Fig. 9 is a schematic diagram of the rear-drive vehicle at the time of normal measurement.
Fig. 10 is a schematic diagram of a rear drive measurement roller stuck.
Fig. 11 is a schematic diagram of the front-drive vehicle at the time of normal measurement.
FIG. 12 is a schematic illustration of a front drive measurement roller stuck.
37-wheels, 38-stringers in the above figures.
Detailed Description
The invention comprises a test unit and two groups of jacking units, wherein the test unit comprises a horizontal bottom plate 1, a plurality of first hydraulic cylinders 2 and a plurality of first springs 3 are arranged below the bottom plate 1, the bottom plate 1 is stably supported by the first hydraulic cylinders 2, the plurality of first springs 3 are in a pull rope state after the bottom plate 1 is jacked, a pressure release pipe 4 is arranged at the bottom of each first hydraulic cylinder 2, an electric control pressure release valve 5 is arranged on the pressure release pipe 4, the first hydraulic cylinders 2 are depressurized by energizing the electric control pressure release valves 5, and the bottom plate 1 moves downwards under the action of the first springs 3; two groups of horizontal rollers are arranged on the bottom plate 1, each group of rollers comprises a main roller 6 and a secondary roller 7, the main roller 6 and the secondary roller 7 are arranged side by side at equal height, the two main rollers 6 are coaxially arranged and are connected through a coupler 8, the two secondary rollers 7 are coaxially arranged, one end of the main roller 6 is provided with an eddy current machine 9, when horsepower test is carried out, two driving wheels of an automobile are respectively supported between the main roller 6 and the secondary roller 7 of the two groups of rollers, the wheels drive the main roller 6 and the secondary roller 7 to rotate, and horsepower of the driving wheels of the automobile is measured through the eddy current machine 9; a chain wheel 10 is coaxially fixed on each roller, a chain 11 is connected between the chain wheel 10 on the main roller 6 and the auxiliary roller 7 of the same group, the chain wheel 10 on the auxiliary roller 7 is matched with the core shaft of the auxiliary roller 7 through a friction pair, when the chain wheel 10 on the auxiliary roller 7 is overloaded, the chain wheel 10 can rotate relative to the auxiliary roller 7, a first metal disc 12 is fixed on the end face of the chain wheel 10 of the auxiliary roller 7, a second metal disc 13 is fixed on the core shaft of the auxiliary roller 7, a twisting-off conductor 14 is connected between the first metal disc 12 and the second metal disc 13, a switch unit is formed by the first metal disc 12, the second metal disc 13 and the conductor 14, after the switch units on the two auxiliary rollers 7 are connected in series, a plurality of electric control pressure relief valves 5 are connected in parallel and then connected in series with the two switch units, and after any one conductor 14 is twisted off, a plurality of electric control pressure relief valves 5 can be opened; when a power test is carried out, the driving wheel of the automobile drives four rollers to rotate, because the rotation speeds of the main roller 6 and the auxiliary roller 7 in the same group are the same, two chain wheels 10 on the group of rollers rotate at the same speed along with the two rollers, when one roller is suddenly clamped, the rotation speeds of the two rollers are not the same, and the two chain wheels 10 are connected with a chain 11 to rotate at the same speed, so that the chain wheels 10 on the auxiliary roller 7 and the central spindle of the auxiliary roller 7 rotate relatively, the first metal disc 12 and the second metal disc 13 rotate relatively, a conductor 14 between the two metal discs is twisted off, and a plurality of electric control pressure relief valves 5 are powered off and opened;
the two groups of jacking units are arranged on one side of the testing unit and correspond to the two groups of rollers in front and back, each group of jacking units comprises a bottom block 15 and a jacking block 16, the jacking blocks 16 are overlapped on the bottom block 15 and positioned through a plurality of positioning pins 17, a second hydraulic cylinder 18 is arranged on the bottom block 15, the jacking blocks 16 can be pushed upwards through the second hydraulic cylinder 18, a sliding groove 19 with one high end and one low end is formed in the upper end of the jacking blocks 16, a supporting block 20 capable of sliding along the sliding groove 19 is arranged in the sliding groove 19, a plurality of elastic clamping blocks 21 are arranged at the bottom of the sliding groove 19, the upper ends of the clamping blocks are wedge-shaped, and the supporting blocks 20 can only slide towards one higher end of the sliding groove 19 through the elastic clamping blocks 21; after the automobile is started to a testing position, the jacking block 16 is jacked up by the second hydraulic cylinder 18 until the two supporting blocks 20 support longitudinal beams on two sides of the automobile chassis, if a situation that a certain roller is suddenly clamped occurs, the longitudinal beam of the automobile can be compacted on the two supporting blocks 20 while the bottom plate 1 descends, and if the automobile is rushed forward in the moment that the roller is clamped, the supporting blocks 20 can be driven to slide towards one higher end of the sliding groove 19, the supporting blocks 20 can lift the automobile chassis, and driving wheels are suspended to lose driving force.
An inner conical first friction sleeve 22 is fixed at the axis of the chain wheel 10 on the auxiliary roller 7, an outer conical second friction sleeve 23 is fixed on the mandrel of the auxiliary roller 7, the first friction sleeve 22 is matched with the second friction sleeve 23, a compression nut 24 is screwed on the mandrel of the auxiliary roller 7, the compression nut 24 pushes the chain wheel 10 to the large end of the second friction sleeve 23, and the inner wall of the first friction sleeve 22 is compressed with the outer wall of the second friction sleeve 23; when the main roller 6 and the auxiliary roller 7 have no rotation speed difference, the two friction sleeves do not rotate relatively, and when the main roller 6 and the auxiliary roller 7 have speed difference, the two friction sleeves slide relatively.
Each of the first metal disc 12 and the second metal disc 13 is provided with an electric brush 25 which contacts with the outer wall of the first metal disc and the second metal disc, so that a rotating circuit is completed; an insulating sleeve 26 is arranged between the second metal disc 13 and the mandrel of the auxiliary roller 7, so that the two metal discs are prevented from being connected through the mandrel of the auxiliary roller 7.
The conductor 14 is provided with an annular breaking groove 27, and the conductor 14 can be easily broken from the breaking groove 27 when the first metal disc 12 and the second metal disc 13 rotate relatively.
The bottom blocks 15 of each group of jacking units are respectively penetrated with a threaded rod 28 in the left-right direction, and the positions of the jacking units can be adjusted by rotating the threaded rods 28 so as to move the jacking units to the position right below the automobile longitudinal beams.
The lower part of the supporting block 20 is provided with a front group of rollers 29 and a rear group of rollers 29, and the rollers 29 support the supporting block 20 so as to reduce the resistance when the supporting block 20 slides along the sliding chute 19; each side wall of the sliding groove 19 is provided with a limiting groove 30 parallel to the sliding groove 19, and the outer end of the wheel axle of each roller 29 extends into the limiting groove 30, so that the supporting block 20 is limited, and the supporting block 20 cannot tilt forwards or backwards.
The bottom of the chute 19 is provided with a plurality of blind holes 31 uniformly distributed along the length, the elastic clamping block 21 is arranged in the blind holes 31, and the lower end of the elastic clamping block 21 is provided with a second spring 32.
The upper end of the bottom surface of the supporting block 20 is provided with a chamfer 33, so that the front elastic clamping block 21 can be smoothly pressed down when the upper end of the sliding groove 19 of the supporting block 20 slides.
The threaded rod 28 is provided with a driven gear 34, the driven gear 34 is meshed with a driving gear 35, the driving gear 35 is connected with a driving motor, and the driving motor drives the threaded rod 28 to rotate through a gear set.
The test unit is placed in a pit 36, the upper side of the roller leaks out of the pit 36, and after the driving wheel of the automobile is driven onto the roller, the front wheel and the rear wheel are approximately at the same height.
Before the horsepower test is performed by using the invention, the direction of the jacking unit jacking block 16 is firstly adjusted according to whether the vehicle to be tested is a front drive vehicle or a rear drive vehicle, when the direction of the jacking block 16 is adjusted, the jacking block 16 is only required to be lifted and turned to be directed to the rear, and then the positioning pin 17 is aligned with the pin hole and placed on the bottom block 15, if the vehicle is a rear drive vehicle, the lower end of the jacking block 16 faces the test unit, and if the vehicle is a front drive vehicle, the higher end of the jacking block 16 faces the test unit, namely, whether the vehicle is a front drive vehicle or a rear drive vehicle, the jacking unit is positioned between the front wheel and the rear wheel, and the higher end of the jacking block 16 faces the vehicle head.
After the jacking block 16 is adjusted, the vehicle to be tested is driven to a detection position, two driving wheels are respectively ridden on the two groups of rollers, then the threaded rod 28 is driven to adjust the position of the jacking units, the supporting blocks 20 of the two groups of jacking units are positioned right below longitudinal beams on two sides of the automobile, then the second hydraulic cylinder 18 is started to jack the jacking block 16 and the supporting blocks 20 to support the longitudinal beams of the automobile, and finally an elastic pull rope is pulled at the tail to assist in stabilizing the vehicle, so that the horsepower of the automobile can be started to be tested.
In the testing process, the rotating speed of the rollers synchronously changes along with the rotating speed of the driving wheel, and in the normal testing process, the main roller 6 and the auxiliary roller 7 of the same group are driven by the same wheel, so that the rotating speeds of the two rollers are the same, and as the chain wheels 10 on the two rollers are connected by the chain 11, the rotating speeds of the two chain wheels 10 are the same when the sizes of the chain wheels 10 are the same, the two chain wheels 10 and the two rollers can synchronously rotate at the same speed, and the first metal disc 12 and the second metal disc 13 on the mandrel of the auxiliary roller 7 can not rotate relatively; when one of the rollers is suddenly clamped, the rotating speeds of the two rollers are not the same, the rotating speeds of the two chain wheels 10 driven by the chain 11 are the same, so that the chain wheels 10 on the auxiliary roller 7 are always kept to rotate at the same rotating speed as the main roller 6, then the chain wheels 10 and the auxiliary roller 7 are rotated relatively, the corresponding first metal disc 12 and the second metal disc 13 are rotated relatively, the conductor 14 between the two metal discs is twisted off, a plurality of electric control relief valves 5 are opened in a power-off mode, the first hydraulic cylinders 2 are relieved, the bottom plate 1 is rapidly lowered under the action of gravity and the first springs 3, and the driving wheels are suspended.
Because the roller descends and has certain hysteresis, the driving wheel has extremely short contact time with the roller at the moment of clamping the roller, so that the vehicle can still rush forward in a short distance, at the moment, the longitudinal beam of the vehicle is pressed on the supporting block 20, the supporting block 20 is driven by the forward punching of the vehicle to slide towards the higher end of the sliding groove 19, the chassis of the vehicle is lifted to suspend the driving wheel and lose driving force, and the elastic clamping block 21 behind the supporting block 20 is ejected after the supporting block 20 slides forwards to enable the supporting block 20 to be unable to retreat; after the vehicle is put in neutral or put out, the second hydraulic cylinder 18 is depressurized, and the supporting block 20 descends to enable the driving wheel to land and the vehicle to be driven away.
When the roller is jammed, the conductor 14 is twisted off through the speed difference between the two rollers, so that the plurality of first hydraulic cylinders 2 are decompressed, the roller immediately descends and is separated from the driving wheel, the gripping force of the driving wheel is reduced sharply, the forward-thrust force of the driving wheel is reduced, meanwhile, the lifting unit lifts the chassis of the vehicle in the short-distance forward-thrust process of the vehicle, the driving wheel is completely suspended and loses the gripping force, the driving force is cut off to brake the vehicle, financial loss and casualties caused by sudden forward-thrust of the vehicle due to the jamming of the roller are avoided, and the safety of the horsepower machine is greatly improved.
Claims (7)
1. The automobile horsepower machine for preventing the car from being washed is characterized by comprising a test unit and two groups of jacking units, wherein the test unit is arranged in a pit (36), the test unit comprises a horizontal bottom plate (1), a plurality of first hydraulic cylinders (2) and a plurality of first springs (3) are arranged below the bottom plate (1), a pressure release pipe (4) is arranged at the bottom of each first hydraulic cylinder (2), and an electric control pressure release valve (5) is arranged on each pressure release pipe (4); two groups of horizontal rollers are arranged on the bottom plate (1), the upper sides of the rollers leak out of the pit (36), each group of rollers comprises a main roller (6) and a secondary roller (7), the main roller (6) and the secondary rollers (7) are arranged side by side at equal heights, the two main rollers (6) are coaxially arranged and are connected through a coupler (8), the two secondary rollers (7) are coaxially arranged, and one end of the main roller (6) is provided with an electric vortex machine (9); a sprocket (10) is coaxially fixed on each roller, a chain (11) is connected between a main roller (6) and a sprocket (10) on a secondary roller (7) in the same group, the sprocket (10) on the secondary roller (7) is matched with a mandrel of the secondary roller (7) through a friction pair, when the sprocket (10) on the secondary roller (7) is overloaded, the sprocket (10) can rotate relative to the secondary roller (7), a first metal disc (12) is fixed on the end surface of the sprocket (10) of the secondary roller (7), a second metal disc (13) is fixed on the mandrel of the secondary roller (7), a conductor (14) capable of being twisted off is connected between the first metal disc (12) and the second metal disc (13), an annular breaking groove (27) is formed in the conductor (14), an electric brush (25) which is in contact with the outer wall of the electric brush is arranged on the outer side of each first metal disc (12) and the second metal disc (13), an insulating sleeve (26) is arranged between the second metal disc (13) and the mandrel of the secondary roller (7), and the second metal disc (13) is connected with the first metal disc (13) in series connection with a plurality of switch units (5) in parallel;
two sets of jacking units are arranged on one side of the testing unit and correspond to the two sets of rollers in front and back, each set of jacking unit comprises a bottom block (15) and a jacking block (16), the jacking blocks (16) are overlapped on the bottom block (15) and positioned through a plurality of positioning pins (17), the second hydraulic cylinders (18) are arranged on the bottom block (15), a sliding groove (19) with one high end and one low end is formed in the upper end of the jacking blocks (16), a supporting block (20) capable of sliding along the sliding groove (19) is arranged in the sliding groove (19), a plurality of elastic clamping blocks (21) are arranged at the bottom of the sliding groove (19), the upper ends of the clamping blocks are wedge-shaped, and the supporting block (20) can only slide towards the higher end of the sliding groove (19).
2. The automobile horsepower machine for preventing the car from being washed according to claim 1, wherein an inner conical first friction sleeve (22) is fixed at the axis of a chain wheel (10) on the auxiliary roller (7), an outer conical second friction sleeve (23) is fixed on the mandrel of the auxiliary roller (7), the first friction sleeve (22) is matched with the second friction sleeve (23), a compression nut (24) is screwed on the mandrel of the auxiliary roller (7), and the compression nut (24) pushes the chain wheel (10) towards the large end of the second friction sleeve (23) so that the inner wall of the first friction sleeve (22) is compressed with the outer wall of the second friction sleeve (23).
3. The horsepower engine of claim 1, wherein each of the jacking units has a threaded rod (28) extending in a lateral direction and the jacking units are positioned by rotating the threaded rod (28).
4. The horsepower engine for preventing the car from being washed according to claim 1, wherein a front group of rollers (29) and a rear group of rollers (29) are arranged at the lower part of the supporting block (20), a limiting groove (30) parallel to the sliding groove (19) is formed in each side wall of the sliding groove (19), and the outer end of each wheel axle of each roller (29) extends into the limiting groove (30).
5. The automobile horsepower machine for preventing the car from being washed according to claim 1, wherein a plurality of blind holes (31) are formed in the bottom of the sliding groove (19) and uniformly distributed along the length, the elastic clamping blocks (21) are arranged in the blind holes (31), and the second springs (32) are arranged at the lower ends of the elastic clamping blocks (21).
6. The horsepower engine of a car for preventing a surge as in claim 1, wherein said support block (20) has a chamfer (33) at a higher end of its bottom surface.
7. A car horsepower machine for preventing a car from being washed according to claim 3, characterized in that the threaded rod (28) is provided with a driven gear (34), the driven gear (34) is meshed with a driving gear (35), the driving gear (35) is connected with a driving motor, and the driving motor drives the threaded rod (28) to rotate through a gear set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111656863.0A CN114199592B (en) | 2021-12-31 | 2021-12-31 | Automobile horsepower machine capable of preventing driving |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111656863.0A CN114199592B (en) | 2021-12-31 | 2021-12-31 | Automobile horsepower machine capable of preventing driving |
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| Publication Number | Publication Date |
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| CN114199592A CN114199592A (en) | 2022-03-18 |
| CN114199592B true CN114199592B (en) | 2023-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111656863.0A Active CN114199592B (en) | 2021-12-31 | 2021-12-31 | Automobile horsepower machine capable of preventing driving |
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| CN (1) | CN114199592B (en) |
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| CN202216851U (en) * | 2011-08-26 | 2012-05-09 | 北京新联铁科技发展有限公司 | Wheel set running-in test stand for rail communication locomotive and vehicle |
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| CN109029938A (en) * | 2017-06-08 | 2018-12-18 | 福特全球技术公司 | System and method for Active engine mount diagnosis |
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| CN114199592A (en) | 2022-03-18 |
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