CN206450429U - Chassis power measuring system - Google Patents
Chassis power measuring system Download PDFInfo
- Publication number
- CN206450429U CN206450429U CN201720139481.3U CN201720139481U CN206450429U CN 206450429 U CN206450429 U CN 206450429U CN 201720139481 U CN201720139481 U CN 201720139481U CN 206450429 U CN206450429 U CN 206450429U
- Authority
- CN
- China
- Prior art keywords
- vehicle
- chassis dynamometer
- trailer rope
- tested
- dynamometer system
- 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
- 238000012360 testing method Methods 0.000 claims abstract description 43
- 230000007246 mechanism Effects 0.000 claims abstract description 7
- 238000010276 construction Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 230000006698 induction Effects 0.000 abstract description 2
- 238000002474 experimental method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002337 anti-port Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000036461 convulsion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model provides a chassis dynamometer system, this chassis dynamometer system includes: a chassis dynamometer arranged in the test bed; the car tying belt is fixedly connected with the head end of the car to be tested; the wheel fixing baffles are arranged on the test bed and positioned at the front side and the rear side of a driven wheel of the vehicle to be tested; the trailer rope is fixedly connected with the tail end of the vehicle to be tested; a drive device connected with the trailer rope; and the induction stopping device is arranged on the trailer rope. The utility model discloses chassis dynamometer system can withdraw test vehicle rapidly at emergency through setting up actuating mechanism and trailer rope, and whole vehicle is withdrawn from the process time spent less, and degree of automation is high, compares with artificial scheme of opening the vehicle safer, high-efficient.
Description
Technical field
The utility model is related to automotive testing equipment, more particularly to a kind of chassis dynamometer system.
Background technology
At present, chassis dynamometer applies very frequent in the vehicle performance experiment of vehicle.But, vehicle is in Chassis dynamometer
When being tested on machine, test vehicle has potential safety hazard.The automobile in process of the test, especially electric automobile may go out
Show the emergencies such as motor excess temperature, electrokinetic cell excess temperature, vehicle spontaneous combustion, short circuit, now vehicle can not be withdrawn, and can be made
Into the damage of the testing equipments such as chassis dynamometer, while laboratory's narrow space, fire extinguishing can bring personal threat to testing crew.
Utility model content
The utility model embodiment technical problem to be solved is to provide a kind of chassis dynamometer system, to realize urgent
In the case of test vehicle can rapidly be withdrawn.
In order to solve the above technical problems, the utility model embodiment provides a kind of chassis dynamometer system, including：
The chassis dynamometer being placed in testing stand；
What is be fixedly connected with the vehicle head end of vehicle to be tested ties up car band；
Wheel fixed dam, is arranged at the front and rear sides of the driven pulley on the testing stand and positioned at vehicle to be tested；With
And,
The trailer rope being fixedly connected with the vehicle tail end of vehicle to be tested；
The drive device being connected with the trailer rope；
It is arranged at the sensing arresting stop on the trailer rope；
Wherein described drive device include when it is described tie up car band and be tightened up be bundled on a fixed mechanism and the chassis is surveyed
When work(machine starts, by the trailer rope to the vehicle to be tested apply motive force be less than the first value of thrust first state,
When it is described tie up car band and disconnect and applied by the trailer rope to the vehicle to be tested when the wheel fixed dam is removed draw
Power is more than the second value of thrust, and the vehicle to be tested is towards the second state for pulling force direction movement and when the test run to be measured
Towards pull force direction be moved to predeterminated position when, receive it is described sensing arresting stop induced signal, stop output driving power
The third state.
Further, the sensing arresting stop includes：
It is arranged on the inductor in the drive device；
The block and one end being located on the trailer rope are connected with the trailer rope, the other end is connected with the block
Elastic construction；
The baffle plate for being located on the trailer rope, being oppositely arranged with the block, the baffle plate and trailer rope activity
Connection, in the third state, the block promotes the baffle plate to be moved to predeterminated position, and is contacted with the inductor, described
Inductor sends induced signal to the drive device.
Further, the drive device includes a motor and the controller for controlling the electric motor starting or closing,
The controller is electrically connected with the motor.
Further, the other end relative with that can be connected to one end of the inductor on the baffle plate is provided with installation
Hole.
Further, the elastic construction is spring.
Further, the inductor is pressure sensor.
Further, the wheel fixed dam, including：
The chute being arranged on testing stand and first clamping plate and second clamping plate for fixation test wheel of vehicle, described
One clamping plate and second clamping plate are respectively placed in two madial walls of the chute, and are flexibly connected by guide rail with the chute；
Wherein, locking system is provided with a side of the chute, the locking system runs through the side of the chute
Side is simultaneously connected in the first clamping plate.
Further, the locking system includes：First end through the chute a side stud and with the spiral shell
The lock-nut that second end of post is flexibly connected.
Further, handle, the handle and the lock are provided with end face of the lock-nut away from the stud
Only nut is integrally formed.
Further, the trailer rope is provided with towing hook with one end that the vehicle tail end of vehicle to be tested is fixedly connected.
Compared with prior art, a kind of chassis dynamometer system that the utility model embodiment is provided, at least has with following
Beneficial effect：The chassis dynamometer system of the utility model embodiment is by setting drive mechanism and trailer rope to be incited somebody to action in emergency
Test vehicle is withdrawn rapidly, and it is few that whole vehicle withdraws from the process used time, and automaticity is high, compared to the side with artificially outputing vehicle
Case is more safe efficient.Also, the chassis dynamometer system of the utility model embodiment is provided with sensing arresting stop, Ke Yishi
Parking after now withdrawing, is prevented effectively from vehicle and withdraws and slide back out too remote or hit other objects and damage.Meanwhile, this practicality is new
The wheel fixed dam of the chassis dynamometer system of type embodiment is set by sliding, and can effectively reduce the vehicle departure time, is saved
Shi Shengli, meets an urgent need practical.
Brief description of the drawings
Fig. 1 is the structural representation of the chassis dynamometer system of the utility model embodiment；
Structural representation when Fig. 2 withdraws for the chassis dynamometer system of the utility model embodiment；
Fig. 3 is the structural representation of the wheel fixed dam of the utility model embodiment.
【Description of reference numerals】
1st, chassis dynamometer；2nd, car band is tied up；3rd, wheel fixed dam；31st, chute；32nd, first clamping plate；33rd, second clamping plate；
34th, guide rail；35th, stud；36th, lock-nut；37th, handle；4th, testing stand；5th, trailer rope；6th, drive device；7th, inductor；8、
Block；9th, elastic construction；10th, baffle plate；11st, towing hook；12nd, controller.
Embodiment
To make the technical problems to be solved in the utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing
And specific embodiment is described in detail.In the following description there is provided the specific detail of such as specific configuration and component only
Only to assist in comprehensive understanding embodiment of the present utility model.Therefore, it will be apparent to those skilled in the art that can be to here
The embodiment of description is made various changes and modifications without departing from scope and spirit of the present utility model.In addition, in order to clear and
Succinctly, the description to known function and construction is eliminated.
It should be understood that " one embodiment " or " embodiment " that specification is mentioned in the whole text means relevant with embodiment
Special characteristic, structure or characteristic are included at least one embodiment of the present utility model.Therefore, go out everywhere in entire disclosure
Existing " in one embodiment " or " in one embodiment " not necessarily refers to identical embodiment.In addition, these are specific special
Levy, structure or characteristic can be combined in one or more embodiments in any suitable manner.
Referring to Fig. 1 to Fig. 2, the utility model embodiment provides a kind of chassis dynamometer system, including：
The chassis dynamometer 1 being placed in testing stand；
What is be fixedly connected with the vehicle head end of vehicle to be tested ties up car band 2；
Wheel fixed dam 3, is arranged at the front and rear sides of the driven pulley on the testing stand 4 and positioned at vehicle to be tested；
And,
The trailer rope 5 being fixedly connected with the vehicle tail end of vehicle to be tested；
The drive device 6 being connected with the trailer rope 5；
It is arranged at the sensing arresting stop on the trailer rope 5；
Wherein described drive device 6 include when it is described tie up car band 2 and be tightened up be bundled on a fixed mechanism and the chassis
When dynamometer machine 1 starts, the first shape that motive force is less than the first value of thrust is applied to the vehicle to be tested by the trailer rope 5
State, when it is described tie up car band 2 disconnect and when the wheel fixed dam 3 is removed by the trailer rope 5 to the vehicle to be tested
Apply motive force and be more than the second value of thrust, the vehicle to be tested is treated towards the second state for pulling force direction movement and when described
Test vehicle towards pull force direction be moved to predeterminated position when, receive it is described sensing arresting stop induced signal, stop output
The third state of driving force.
In the chassis dynamometer system of the utility model embodiment, test vehicle being normally carried out property on chassis dynamometer 1
Before testing, drive axle is tied up car band 2 and tensed, and driven pulley is fixed and can not all around be moved by wheel fixed dam 3.Can be by
Trailer rope 5 is discharged to the end of test vehicle (now not producing pulling force to test vehicle), and drive device 6 does not work.In order to subtract
Discharge pulling force during trailer rope 5 less, drive device 6 can also work operating in the first direction, first direction and when withdrawing second
In the opposite direction, antiport is easy to discharge trailer rope 5, reduces workload.Now, a whole set of chassis dynamometer system is in Emergency Preparedness
State.
When the emergency that the needs such as battery catches fire are withdrawn occurs for test vehicle in process of the test, chassis need to be stopped in time
The operation of dynamometer machine 1, then cuts and ties up car band 2, quickly remove the wheel fixed dam 3 of driven pulley both sides, opens laboratory's (figure
Middle dotted line frame represents laboratory) toran, then drive device 6 work, test vehicle is receded from into experiment using trailer rope 5
Room.Also, in order to prevent test vehicle from other objects, the utility model embodiment are skidded off too far or hit in the presence of inertia
Chassis dynamometer system also on trailer rope 5 be provided with sensing arresting stop, when test vehicle towards pull force direction be moved to it is pre-
If during position, drive device 6 receives the induced signal of sensing arresting stop, stop output driving power so that test vehicle stops,
Withdraw action to complete, the follow-up dangerous situation processing of test vehicle can be carried out.
The chassis dynamometer system of the utility model embodiment is by setting drive mechanism and trailer rope can be in emergency
Test vehicle is withdrawn rapidly, it is few that whole vehicle withdraws from the process used time, automaticity is high, compared to artificially outputing vehicle
Scheme is more safe efficient.
Referring to Fig. 1 and Fig. 2, in the chassis dynamometer system of the embodiment of the utility model one, the sensing arresting stop bag
Include：
It is arranged on the inductor 7 in the drive device 6；
The block 8 and one end being located on the trailer rope 5 are connected with the trailer rope 5, the other end connects with the block 8
The elastic construction 9 connect；
The baffle plate 10 for being located on the trailer rope 5, being oppositely arranged with the block 8, the baffle plate 10 and the trailer
Rope 5 is flexibly connected, in the third state, and the block 8 promotes the baffle plate 10 to be moved to predeterminated position, and with the inductor
7 contacts, the inductor 7 sends induced signal to the drive device 6.
In the present embodiment, after test vehicle is withdrawn and is removed to experiment outdoor, block 8 will be contacted with baffle plate 10, bullet
Property structure 9 compressed under vehicle effect, the extruding baffle plate 10 of block 8 is promoted, baffle plate 10 is flexibly connected with trailer rope 5, so keep off
Plate 10 is contacted under block promotion to predeterminated position, and with the inductor 7.Now inductor 7 sends an electric signal to described
Drive device 6, and control drive device 6 to stop.Sense arresting stop, it is possible to achieve the parking after withdrawing, be prevented effectively from vehicle
Withdraw and slide back out too remote or hit other objects and damage.And the induction installation in the present embodiment is mechanical structure, structure letter
Single practical, reliability is high.
In the chassis dynamometer system of the embodiment of the utility model one, the drive device 6 includes a motor and for controlling
The electric motor starting or the controller 12 of closing are made, the controller 12 is electrically connected with the motor.
In the present embodiment, the motor work for setting controller 12 to be easy to manual operation to control drive device 6.For example, figure
Controller 12 in showing is settable to be withdrawn, stops, four kinds of control buttons of return and jerk, and control drive device 6 is corresponded to respectively
Electric motor starting and the motor edge and the side of withdrawing for withdrawing test vehicle, controlling the motor of drive device 6 to stop, controlling drive device 6
Operating is easy to arrangement trailer rope 5 and in emergency circumstances controlling the motor of drive device 6 to stop in the opposite direction.It is real one
Apply in example, drive device 6 also includes capstan winch, trailer rope one ends wound is on capstan winch, and motor work drives capstan winch rotation, wherein,
Motor can be rotated forward and reversed, you can drive capstan winch to rotate forward and reverse, controller 12 can be with the startup or closing of controlled motor, its
In, startup includes startup and rotated forward and counter-rotating.
In the chassis dynamometer system of the embodiment of the utility model one, with the sensing can be connected on the baffle plate 10
The other end that one end of device 7 is relative is provided with mounting hole.
In the present embodiment, set mounting hole to fix baffle plate 10 and baffle plate 10 can be rotated around mounting hole, make
Baffle plate 10 is obtained to be more easy to contact with inductor 7 when being promoted by block 8.
In the chassis dynamometer system of the embodiment of the utility model one, the elastic construction 9 is spring.
In the chassis dynamometer system of the embodiment of the utility model one, the inductor 7 is pressure sensor.
Referring to Fig. 3, majority uses the scheme that driven pulley baffle plate is secured directly on ground in current laboratory, such as
It need to remove, bolt need to all be turned on and be opened with hand lift, wasted time and energy, it is when occurring emergency and impracticable.So,
In the chassis dynamometer system of the embodiment of the utility model one, the wheel fixed dam 3, including：
The chute 31 being arranged on testing stand 4 and first clamping plate 32 and second clamping plate for fixation test wheel of vehicle
33, the first clamping plate 32 and second clamping plate 33 are respectively placed in two madial walls of the chute 31, and by guide rail 34 with it is described
Chute 31 is flexibly connected；
Wherein, locking system is provided with a side of the chute 31, the locking system is through the chute 31
One side is simultaneously connected in the first clamping plate 32.
In the present embodiment, chute 31 be fixed on ground (on testing stand) it is immovable, moved when by guide rail 34
To driven pulley, locking system locking clamping plate is utilized so that first clamping plate 32 and second clamping plate 33 are lockable can not be with chute 31
Generation relative motion, now driven pulley is to be fixed.When test vehicle needs to withdraw, locking system, the first folder need to be only opened
Plate 32 and second clamping plate 33 can quickly be skidded off by guide rail 34, so as to release the constraint to driven pulley.This structure can be saved whole
Body removes the time of driven pulley clamping plate, and that improves test vehicle withdraws speed, meets an urgent need practical.
In the present embodiment, wheel fixed dam 3 also includes the clamping plate for preventing that wheel is movable, such as front and rear each setting
One clamping plate, the clamping plate and first clamping plate 32 and the cooperating of second clamping plate 33, prevent wheel from moving.
In the chassis dynamometer system of the embodiment of the utility model one, the locking system includes：First end is through described
The stud 35 of one side of chute 31 and the lock-nut 36 being flexibly connected with the second end of the stud 35.
Further, handle 37, the handle 37 are provided with end face of the lock-nut 36 away from the stud 35
It is integrally formed with the lock-nut 36.
In the present embodiment, it is set to lock-nut 36 and stud 35 is simple in construction, cost is low.And on lock-nut 36
Handle 37 is set, is easy in case of emergency by lock of the Rapid reversal of rotary handle 37 to first clamping plate 32 and second clamping plate 33
Only, it is time saving and energy saving, meet an urgent need practical.
In the chassis dynamometer system of the embodiment of the utility model one, the vehicle tail end of the trailer rope 5 and vehicle to be tested
The one end being fixedly connected is provided with towing hook 11.
In the present embodiment, set towing hook 11 to be easy to trailer rope 5 to be connected with the tail end of vehicle, be easy to operation.
To sum up, the chassis dynamometer system of the utility model embodiment is by setting drive mechanism and trailer rope can be urgent
Situation withdraws rapidly test vehicle, and it is few that whole vehicle withdraws from the process used time, and automaticity is high, compared to artificially driving vehicle
The scheme gone out is more safe efficient.Also, the chassis dynamometer system of the utility model embodiment is provided with sensing arresting stop,
The parking after withdrawing can be realized, vehicle is prevented effectively from and withdraws and slide back out too remote or hit other objects and damage.Meanwhile, this
The wheel fixed dam of the chassis dynamometer system of utility model embodiment is set by sliding, when effectively can reduce vehicle and withdrawing
Between, it is time saving and energy saving, meet an urgent need practical.
It should also be noted that, herein, such as first and second or the like relational terms are used merely to one
Entity or operation make a distinction with another entity or operation, and not necessarily require or imply between these entities or operation
There is any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to contain
Lid nonexcludability is included.
Described above is preferred embodiment of the present utility model, it is noted that for the ordinary skill of the art
For personnel, on the premise of principle described in the utility model is not departed from, some improvements and modifications can also be made, these improvement
Protection domain of the present utility model is also should be regarded as with retouching.
Claims (10)
1. a kind of chassis dynamometer system, it is characterised in that including：
The chassis dynamometer being placed in testing stand；
What is be fixedly connected with the vehicle head end of vehicle to be tested ties up car band；
Wheel fixed dam, is arranged at the front and rear sides of the driven pulley on the testing stand and positioned at vehicle to be tested；And,
The trailer rope being fixedly connected with the vehicle tail end of vehicle to be tested；
The drive device being connected with the trailer rope；
It is arranged at the sensing arresting stop on the trailer rope；
Wherein described drive device include when it is described tie up car band and be tightened up be bundled on a fixed mechanism and the chassis dynamometer
During startup, the first state of the first value of thrust is less than to the vehicle application motive force to be tested by the trailer rope, works as institute
State and tie up that car band disconnects and the wheel fixed dam applies motive force when removing by the trailer rope to the vehicle to be tested
More than the second value of thrust, the vehicle to be tested is towards the second state for pulling force direction movement and when the vehicle court to be tested
Force direction is pulled when being moved to predeterminated position, the induced signal of the sensing arresting stop is received, stops the of output driving power
Three condition.
2. chassis dynamometer system according to claim 1, it is characterised in that the sensing arresting stop includes：
It is arranged on the inductor in the drive device；
The block that is located on the trailer rope and the elasticity that one end is connected with the trailer rope, the other end is connected with the block
Structure；
The baffle plate for being located on the trailer rope, being oppositely arranged with the block, the baffle plate is flexibly connected with the trailer rope,
In the third state, the block promotes the baffle plate to be moved to predeterminated position, and is contacted with the inductor, the inductor
Induced signal is sent to the drive device.
3. chassis dynamometer system according to claim 1, it is characterised in that the drive device includes a motor and is used for
The electric motor starting or the controller of closing are controlled, the controller is electrically connected with the motor.
4. chassis dynamometer system according to claim 2, it is characterised in that with the sense can be connected on the baffle plate
The other end for answering one end of device relative is provided with mounting hole.
5. chassis dynamometer system according to claim 2, it is characterised in that the elastic construction is spring.
6. chassis dynamometer system according to claim 2, it is characterised in that the inductor is pressure sensor.
7. chassis dynamometer system according to claim 1, it is characterised in that the wheel fixed dam, including：
The chute being arranged on testing stand and first clamping plate and second clamping plate for fixation test wheel of vehicle, first folder
Plate and second clamping plate are respectively placed in two madial walls of the chute, and are flexibly connected by guide rail with the chute；
Wherein, locking system is provided with a side of the chute, the locking system runs through a side of the chute simultaneously
It is connected in the first clamping plate.
8. chassis dynamometer system according to claim 7, it is characterised in that the locking system includes：First end runs through
The stud of one side of the chute and the lock-nut being flexibly connected with the second end of the stud.
9. chassis dynamometer system according to claim 8, it is characterised in that end of the lock-nut away from the stud
Handle is provided with face, the handle is integrally formed with the lock-nut.
10. chassis dynamometer system according to claim 1, it is characterised in that the car of the trailer rope and vehicle to be tested
One end that tail end is fixedly connected is provided with towing hook.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720139481.3U CN206450429U (en) | 2017-02-16 | 2017-02-16 | Chassis power measuring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720139481.3U CN206450429U (en) | 2017-02-16 | 2017-02-16 | Chassis power measuring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206450429U true CN206450429U (en) | 2017-08-29 |
Family
ID=59666455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720139481.3U Expired - Fee Related CN206450429U (en) | 2017-02-16 | 2017-02-16 | Chassis power measuring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206450429U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107976323A (en) * | 2017-12-26 | 2018-05-01 | 郑州东辰科技有限公司 | A kind of chassis dynamometer and its measurement of power unit |
| CN111089735A (en) * | 2020-01-22 | 2020-05-01 | 安徽华菱汽车有限公司 | Analog load loading device of large chassis dynamometer |
-
2017
- 2017-02-16 CN CN201720139481.3U patent/CN206450429U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107976323A (en) * | 2017-12-26 | 2018-05-01 | 郑州东辰科技有限公司 | A kind of chassis dynamometer and its measurement of power unit |
| CN111089735A (en) * | 2020-01-22 | 2020-05-01 | 安徽华菱汽车有限公司 | Analog load loading device of large chassis dynamometer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206450429U (en) | Chassis power measuring system | |
| CN106864432B (en) | Emergency braking device for automobile brake failure and control method thereof | |
| EP2909054B1 (en) | Method of operating and switching off an automobile vehicle and correspondingly operated vehicle | |
| CN207227995U (en) | One kind lifting berth lock | |
| CN206155386U (en) | Safety door of vehicle | |
| CN206797305U (en) | One kind reversing safety control system | |
| CN201338595Y (en) | Emergency brake device for automobile | |
| CN103434614A (en) | Full-automatic rapid mooring-releasing device | |
| CN207499646U (en) | A kind of automobile short circuit detection and emergent unlocking system | |
| CN116446833A (en) | Electrically driven fracturing equipment and braking method thereof | |
| CN214450988U (en) | Emergency braking device for high-speed train and high-speed train | |
| CN213022319U (en) | Double-traction type safe evacuation system for whole automobile test | |
| CN206644730U (en) | A kind of gauge initiative alarming anticollision device, collision-prevention device of automobile five | |
| CN206468074U (en) | The garage parking of released rope detecting device after a kind of band | |
| CN104821092B (en) | The implementation method of wind light mutual complementing formula vehicle pass-through limit for height | |
| CN203460946U (en) | Rear cabin door control device | |
| CN202124250U (en) | Wing opening type carriage | |
| CN209534864U (en) | Vehicle-mounted unmanned aerial vehicle clamping device | |
| CN201256370Y (en) | Solar panel control system | |
| CN102691430B (en) | Intelligent and simple hydraulic parking device and electric principle | |
| CN207032086U (en) | A kind of environmental protection type road isolation device | |
| CN201882730U (en) | Manual releasing and braking device of construction lifter | |
| CN216613671U (en) | In-tank hydraulic car arrester based on cage automation | |
| CN206844776U (en) | A kind of private car level control device | |
| CN201244725Y (en) | Multifunctional spring attachment for winch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170829 Termination date: 20210216 |