CN205561661U - Can dismantle target car - Google Patents
Can dismantle target car Download PDFInfo
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- CN205561661U CN205561661U CN201620398559.9U CN201620398559U CN205561661U CN 205561661 U CN205561661 U CN 205561661U CN 201620398559 U CN201620398559 U CN 201620398559U CN 205561661 U CN205561661 U CN 205561661U
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Abstract
The utility model discloses a can dismantle target car, which comprises a base, the chassis includes anterior assembly, intermediate junction assembly and rear portion assembly, anterior assembly is used for target car the travel control of in -process and the control of each parameter of target car, the intermediate junction assembly is used for connection and the battery of the anterior assembly of target car, rear portion assembly, the installation of controller to provide the operating space for personnel, the installation of rear portion assembly mainly used rear axle. The utility model discloses with target car modularization, segmentationization setting, reach the effect that local damage office always changed, cross with running target target reuse rate, reduce the expense spending of army when operational training.
Description
Technical field
This utility model relates to a kind of target car, particularly to one detachable target car.
Background technology
Actual combatization training is to improve fight of army ability important channel, is the powerful guarantee of " can fight, make the victory ".But mesh
Front firepower platform gunnery training actual combatization degree is the highest, and target characteristic simulation validity is inadequate, governs carrying of army's warfighting capabilities
High.Unmanned running target car is used to simulate vehicular targets, and examination tank, cannon weapon are to vehicular targets attack precision
Training device.At present, firing practice training place, it is equipped with rail type mobile target car, remote-controlled movement target car, numerical map control
Running target car processed.Due to the special environment in battlefield, frequently resulting in target car different parts, damage in various degree, yet with existing
Current all target cars are all monoblock types, this results in replacing trouble, and transport trouble and cost are high.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of detachable target car.
The purpose of this utility model is achieved through the following technical solutions: a kind of detachable target car, including chassis, and described chassis
Including anterior assembly, middle connecting assembly and rear portion assembly, described anterior assembly is used for the control in target car driving process and target car
The monitoring of each parameter；Described middle connecting assembly is for target Herba Plantaginis portion assembly, the connection of rear portion assembly and battery, the peace of controller
Dress, and provide working place for personnel；Rear portion assembly is mainly used in the installation of back axle.
Preferably, described anterior assembly is connected by the first connector with middle connecting assembly, described middle connecting assembly and rear portion
Assembly is connected by the second connector.
Preferably, described first connector includes being fixedly arranged on the first connecting plate on anterior assembly and several bolts, and described first
Connecting plate is provided with several through holes, and described bolt inserts in middle connecting assembly through through hole.
Preferably, described first connector also includes the second connecting plate, and described second connecting plate is fixing with middle connecting assembly to be connected
Or one-body molded with middle connecting assembly, described first connecting plate is provided with taper boss, described second connecting plate is provided with
For embedding the groove placing taper boss.
Preferably, described first connector also includes the second connecting plate, and described second connecting plate is fixing with middle connecting assembly to be connected
Or one-body molded with middle connecting assembly, described second connecting plate is provided with taper boss, described first connecting plate is provided with
For embedding the groove placing taper boss.
Preferably, described second connector includes the 3rd connecting plate that is fixedly arranged on the assembly of rear portion and several bolts, the described 3rd
Connecting plate is provided with several through holes, and described bolt inserts in middle connecting assembly through through hole.
Preferably, described second connector also includes the 4th connecting plate, and described 4th connecting plate is fixing with middle connecting assembly to be connected
Or one-body molded with middle connecting assembly, described 3rd connecting plate is provided with taper boss, described 4th connecting plate is provided with
For embedding the groove placing taper boss.
Preferably, described second connector also includes the 4th connecting plate, and described 4th connecting plate is fixing with middle connecting assembly to be connected
Or one-body molded with middle connecting assembly, institute's palm fibre the 4th connecting plate is provided with taper boss, described 3rd connecting plate is provided with
For embedding the groove placing taper boss.
The beneficial effects of the utility model are:
Target car modularity, section are arranged by this utility model, reach the effect that local damage office always changes, and cross and add moving target mark
Recycling rate of waterused, reduce the army expenses when operational training.Simultaneously because use modularity, section to arrange, more
Add convenient transport.
Accompanying drawing explanation
In order to make the purpose of this utility model, technical scheme and beneficial effect clearer, this utility model provides drawings described below to enter
Row explanation:
Fig. 1 is structure diagram of the present utility model；
Fig. 2 is that Figure 1A-A is to schematic diagram；
Fig. 3 is enlarged drawing at I in Fig. 2；
Fig. 4 is the first connector schematic diagram；
Fig. 5 is Control system architecture theory diagram；
Fig. 6 is ultrasonic detector theory diagram；
Fig. 7 is ultrasound wave transmitter driving circuit figure；
Fig. 8 is signal amplification circuit figure；
Fig. 9 is bandwidth-limited circuit figure；
Figure 10 is signal comparator circuit figure；
Figure 11 is electric power detection module principle block diagram.
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail.
In order to adapt to modernize operational training mission requirements, reaching to simulate the effect fought in true battlefield, this utility model is to static state
Or the target of regular mobile status is optimized improvement, allow it according to program automatic moving, and varying environment can be can adapt to,
The driving requirements on different road surfaces.
In order to increase the recycling rate of waterused of moving target mark, reduce army's expenses when operational training to this, for these feelings
Condition, the movement to basic model is optimized improvement, and binding modulesization design car, by its segment design, reaches local and damage
The effect of bad local replacing.
Based on this, this utility model provides a kind of detachable target car, and including chassis and control system, described chassis includes anterior total
1, middle connecting assembly 2 and rear portion assembly 3, described anterior assembly is become to be used for the control in target car driving process and each parameter of target car
Monitoring；Described middle connecting assembly is used for target Herba Plantaginis portion assembly, the connection of rear portion assembly and battery, the installation of controller, and
Working place is provided for personnel；Rear portion assembly is mainly used in the installation of back axle.
Anterior assembly is mainly welded by seamless steel pipe, supporting is provided with the portions such as front-wheel, suspension, steering gear, throttle, brake
Part and device, be the control unit of whole target car；Middle connecting assembly mainly with steel plate bending seamless steel pipe be welded,
Battery mounting box, seat installing rack level controller etc. are distributed above；Rear portion assembly by rear portion skeleton, electronic back axle, suspension and
Drivewheel forms, and is power and the support section of target car, is mainly welded by seamless steel pipe.
Preferably, described anterior assembly is connected by the first connector with middle connecting assembly, described middle connecting assembly and rear portion
Assembly is connected by the second connector.
Preferably, described first connector includes first connecting plate 5 and several bolts 4 being fixedly arranged on anterior assembly, described
First connecting plate is provided with several through holes, and described bolt inserts in middle connecting assembly through through hole.
Preferably, described first connector also includes the second connecting plate 6, and described second connecting plate is fixing with middle connecting assembly even
Connect or one-body molded with middle connecting assembly, described first connecting plate is provided with taper boss 7, described second connecting plate sets
Being equipped with for embedding the groove 8 placing taper boss, or be provided with taper boss on described second connecting plate, described first even
It is provided with on fishplate bar for embedding the groove placing taper boss.
Second connector uses the structure as the first connector, the most no longer describes.
As it is shown in figure 5, described control system include main control module, locating module, angle detecting module, velocity measuring module and
Power control system, described locating module, angle detecting module, velocity measuring module, power control system respectively with master control mould
Block connects；Described locating module is for gathering the coordinate information of target car, and described angle detecting module is for detecting the attitude letter of target car
Breath, described velocity measuring module is for detecting the present speed of target car；Described power control system module collection and send target car work as
Front mode of operation and target car current state are to main control module, and it is defeated that power control system controls actuating unit according to the order of main control module
Go out power.
In the present embodiment, this target vehicle control also includes the electric power detection module being connected with main control module.
In the present embodiment, this target vehicle control also includes that the avoidance module being connected with main control module, described avoidance module include
It is symmetricly set on the first detection of obstacles instrument and the second detection of obstacles instrument of target car headstock both sides；Described first obstacle detection instrument and
Second obstacle detection instrument is ultrasonic detector.
As shown in Figure 6, ultrasonic detector includes in the present embodiment: control unit, ultrasound wave transmitter driving circuit, middle week become
Depressor, ultrasonic transmission/reception integral probe, signal amplification circuit, bandwidth-limited circuit and signal comparator circuit.
Described control unit is connected with ultrasound wave transmitter driving circuit, is used for exporting periodically pulsing string and sends driving to ultrasound wave
Circuit.The amplitude of this periodic pulse train is preferably about 5V；Described control unit uses single-chip microcomputer.
Described ultrasound wave transmitter driving circuit is connected with middle all transformators, for being converted to by described periodically pulsing string periodically
Sine wave signal, and export to middle week transformator.
As it is shown in fig. 7, ultrasound wave transmitter driving circuit includes: audion Q5, audion Q4-A, audion Q4-B, resistance R14-
Resistance R19, resistance R22 and resistance R23, described one end of resistance R15 is connected with the outfan of control unit, and resistance R15's is another
One end is connected with the base stage of audion Q5, and one end of described resistance R22 is connected with the base stage of audion Q5, another of resistance R22
End is connected with the emitter stage of audion Q5, and the colelctor electrode of described audion Q5 is connected with resistance R23；Described resistance R16 and resistance
R18 is in parallel with resistance R23 after connecting, and the common port of resistance R16 and resistance R18 is connected with the base stage of audion Q4-B, and resistance
The non-series connection node of R16 is connected with the colelctor electrode of audion Q5, the emitter stage of described audion Q4-B connect respectively power supply VCC and
The non-series connection node of resistance R18；After described resistance R17 and resistance R19 series connection respectively with the collector and emitter phase of audion Q5
Even, the series connection node of resistance R17 and resistance R19 is connected with the base stage of audion Q4-A, and the non-series connection node and three of resistance R19
The emitter stage of pole pipe Q5 is connected, the emitter stage of described audion Q4-A connect respectively and the non-series connection node of resistance R19, described
The two ends of resistance R14 are connected with the colelctor electrode of audion Q4-A and the colelctor electrode of audion Q4-B respectively, and the collection of audion Q4-B
Electrode one end is the outfan of ultrasound wave transmitter driving circuit.
Described audion Q5 is NPN type triode；Described audion Q4-A is NPN type triode；Described audion Q4-B is
PNP type triode.It can be seen that audion Q4-A is different from the electric power polarity of audion Q4-B so that these two audions begin
It is in a conducting, the state of another cut-off, namely these two audions eventually and recommends connected so that ultrasound wave sends and drives electricity
Road becomes push-pull driver circuit, therefore improves the driving power of ultrasonic transmission/reception integral probe.
Described middle all transformators are connected with ultrasonic transmission/reception integral probe, for boosting described periodic sine wave signal
Export after process to ultrasonic transmission/reception integral probe.It is left that periodic sine wave signal peak value after boosted process is preferably 100V
The right side, thus preferably excitation ultrasonic transmission/reception integral probe launches ultrasound wave.
Described middle week, transformator had that volume is little, low cost and other advantages, was particularly well-suited to the sine wave signal in circuit or pulse
Signals etc. are amplified processing (i.e. boosting process)；Common transformator is bigger, relatively costly because of volume, even if possessing signal
Enlarging function, is also not suitable for all transformators in replacement and is applied to supersonic range finder described in the utility model.
Preferably, the two ends of the primary side winding of described middle all transformators connect outfan and the ground of ultrasound wave transmitter driving circuit respectively.
The two ends of the vice-side winding of described middle all transformators connect ultrasonic transmission/reception integral probe respectively.
Described ultrasonic transmission/reception integral probe is connected with signal amplification circuit, believes for the periodic sine wave after being boosted
Number excitation after, to barrier launch ultrasonic signal, the ultrasonic signal of this transmitting is reflected after running into barrier, is reflected
Ultrasonic signal (i.e. ultrasonic echo signal) compared with the ultrasonic signal launched, there is certain decay, and to be detected
Distance (i.e. launch point and the distance of barrier) the most remote, the decay of generation is the most serious；Ultrasonic transmission/reception integral probe is additionally operable to
Receive the ultrasonic signal reflected by barrier, the voltage signal corresponding with the ultrasonic signal reflected with generation, and this voltage
The peak value of signal is inversely proportional to distance to be detected, and exports this voltage signal to signal amplification circuit.
Described signal amplification circuit is connected with signal comparator circuit through bandwidth-limited circuit, described signal amplification circuit and bandpass filtering
Circuit is respectively used to be amplified the voltage signal of ultrasonic transmission/reception integral probe output and export after Filtering Processing to signal compare
Circuit.
As shown in Figure 8, described signal amplification circuit includes: amplifier IC5-A, electric capacity C2, electric capacity C6, electric capacity C7, electric capacity
C10, resistance R1, resistance R5 and resistance R11-resistance R13；Described electric capacity C2 and resistance R5 series connection, and the channel of a nand string of electric capacity C2
Interlink point is connected with ultrasonic transmission/reception integral probe, and the non-series connection node of resistance R5 is connected with the negative-phase input of amplifier IC5-A,
Described electric capacity C7 is connected with negative-phase input and the outfan of amplifier IC5-A respectively with after resistance R13 parallel connection, described resistance R11
Connect with resistance R12, the series connection node of resistance R11 and resistance R12 series connection respectively with normal phase input end and the reference of amplifier IC5-A
Power supply VREF is connected, and the non-series connection node of resistance R11 is connected with power supply VCC, the non-series connection node ground connection of resistance R12, institute
State electric capacity C6 in parallel with resistance R12, described electric capacity C10 and resistance R1 series connection, and the non-series connection node of electric capacity C10 and amplifier
The outfan of IC5-A is connected, the outfan that non-series connection node is signal amplification circuit of resistance R1.
As it is shown in figure 9, described bandwidth-limited circuit includes: amplifier U1-D, electric capacity C8, electric capacity C9, resistance R2 and resistance R4.
Described one end of electric capacity C8 is connected with the outfan of signal amplification circuit, and the other end of electric capacity C8 inputs with the negative of amplifier U1-D
End is connected, and described one end of resistance R2 is connected with the outfan of signal amplification circuit, the other end ground connection of resistance R2, described resistance
The two ends of R4 are connected with negative-phase input and the outfan of amplifier U1-D respectively, and the two ends of described electric capacity C9 are amplified with signal respectively
The outfan of circuit is connected with the outfan of amplifier U1-D, the normal phase input end of described amplifier U1-D and reference power source VREF
It is connected, the outfan that outfan is bandwidth-limited circuit of described amplifier U1-D.Visible, described bandwidth-limited circuit can be real
Existing filter function of the present utility model, the advantage again with simple in construction.
Described signal comparator circuit is connected with control unit, the voltage letter after the filtered process exported by bandwidth-limited circuit
Number be converted to cyclic pulse signal, and export to control unit.
As shown in Figure 10, described signal comparator circuit includes: amplifier IC5-D, audion Q1, resistance R3, resistance R6-resistance
R8.The described negative-phase input of amplifier IC5-D is connected with the outfan of bandwidth-limited circuit, described resistance R3 and resistance R6 string
Connection, its series connection node is connected with the normal phase input end of amplifier IC5-D, the non-series connection node of described resistance R3 and power supply VCC phase
Even, the non-series connection node ground connection of described resistance R6, one end of described resistance R7 is connected with the normal phase input end of amplifier IC5-D,
The other end of resistance R7 is connected with the colelctor electrode of audion Q1, and one end of described resistance R8 is connected with the base stage of audion Q1, electricity
The other end of resistance R8 is connected with the first I/O port of control unit, the grounded emitter of described audion Q1, and described amplifier
The outfan of IC5-D is the outfan of signal comparator circuit.
Visible, when audion Q1 turns on, resistance R6 and resistance R7 parallel connection dividing potential drop so that the normal phase input end of amplifier IC5-D
Voltage diminish, i.e. positive threshold voltage diminishes, therefore, even if the signal that the negative-phase input of amplifier IC5-D receives compares
Faint (being caused by launch point and the distant of barrier), the outfan of amplifier IC5-D also can export to be believed with ultrasonic echo
Number corresponding cyclic pulse signal, and then increase the measurement distance of supersonic range finder.
Wherein, audion Q1 is preferably NPN type triode.
Described control unit is additionally operable to periodic pulse train and the cyclic pulse signal of signal comparator circuit output exported according to it
Draw measurement distance.
Preferably, described control unit includes pulses generation module, timing module and computing module；Described pulses generation module is used
In exporting periodically pulsing string；Described timing module is used for obtaining pulses generation module output periodic pulse train and signal compares
The time difference of circuit output cyclic pulse signal, described computing module for according to described time difference and ultrasound wave at medium (
As for air) in spread speed calculate and draw measurement distance.
In the present embodiment, described power control system includes being connected with main control module respectively motor control module, brake module,
Direction controlling module.
In the present embodiment, this target vehicle control also includes digital display instrument dial plate, communication module.
As shown in Figure 11 dashed rectangle, electric power detection module includes charging current detection module, discharge current detection module, control
Module and output module.Wherein, charging current when charging current detection module is for detecting battery charging.Discharge current is examined
Discharge current when surveying module for detecting battery discharge.Control module is calculated charged electrical according to charging current and charging interval
Amount, and is calculated discharge electricity amount according to discharge current and discharge time, further according to charge capacity or discharge electricity amount and
The dump energy of the battery before charging or prestored before electric discharge obtains the current electric quantity of battery.Output module is used for exporting battery
Current electric quantity.
In the present embodiment, when charger charges to battery, control module obtains the charging that charging current detection module detects
Electric current, is then multiplied to obtain charge capacity according to " ampere-hour method " by charging current and charging interval, and further by charge capacity
With the current electric quantity that the dump energy of the battery prestored before charging is added to obtain battery.
In the present embodiment, when battery provides electricity to load, what control module acquisition discharge current detection module detected puts
Electricity electric current, then discharge current and discharge time are multiplied to obtain discharge electricity amount by basis " ampere-hour method ", and further by before electric discharge
The dump energy of the battery prestored and discharge electricity amount subtract each other to obtain the current electric quantity of battery.
In the present embodiment, control module obtains the specification information of battery the most in advance, and wherein, specification information includes the specified of battery
The electricity of electricity and battery is with the variation relation etc. of voltage.When charge or discharge, control module is also further with currently
Electricity renewal dump energy, and calculate the ratio of current electric quantity and specified electric quantity, to obtain the percentage ratio of dump energy, and by
Output module output dump energy percentage ratio.
In the present embodiment, charging current detection module may be configured as detecting positive pole or the charging current of negative pole of battery.In like manner,
Discharge current detection module may be alternatively provided as detecting positive pole or the discharge current of negative pole of battery.
Therefore, obtained the electricity of battery by electric current during detection battery charging and discharging, solve at battery charging and discharging
Time because load current produce transition and make battery voltage produce nonlinear change, thus can not only by detection voltage accurately examine
The problem surveying battery electric quantity, therefore, power testing system of the present utility model has preferable stability and higher accuracy.
In the present embodiment, power testing system, in addition to the electric current of detection battery charging and discharging, detects battery the most further
Voltage.Specifically, power testing system also includes voltage detection module, and it is for detecting the voltage of battery, control module root
Dump energy percentage ratio is demarcated by the voltage detected according to voltage detection module.
Specifically, control module presets the first voltage threshold and the second electricity according to the electricity obtained in advance with the variation relation of voltage
Pressure threshold value, wherein, the first voltage threshold is more than the second voltage threshold.The voltage that voltage detection module is detected by control module with
The first voltage threshold and the second voltage threshold preset compare, and when this voltage is more than or equal to the first voltage threshold, will residue
Electricity percentage ratio is demarcated as 100%, and when voltage is less than or equal to the second voltage threshold, is demarcated as by dump energy percentage ratio
0%, and exported calibration result by output module.By the voltage of detection battery, the electricity of battery is demarcated so that this reality
Testing result with novel power testing system is more accurate.
In the present embodiment, output module include instrument, LED string and HMI (Human Machine Interface, man-machine
Interface) module.Wherein, HMI module can connect PC (Personal Computer, personal computer) machine, touch screen or
Person's industrial computer etc..
In the present embodiment, also include between instrument and control module D/A (Digital-Analog digital-to-analogue conversion) module and
DC/DC (Direct Current-Direct Current DC-dc conversion) module.
Wherein, D/A module is set up with control module and is communicated, and the dump energy of the battery to obtain according to control module carries out digital-to-analogue
Conversion.The input of DC/DC module connects battery, battery be powered it, controls end and connects D/A module, outfan
Connect instrument.Wherein, DC/DC module adjusts voltage ratio according to the output of D/A module, and exports this voltage ratio to instrument,
Indicators turn with control instrument.In the present embodiment, quantity and the dump energy of battery that LED string shows are directly proportional.HMI
PC, touch screen or industrial computer that module connects can pass through figure, numeral or the dump energy of text importing battery.Therefore,
Battery testing system of the present utility model is applicable to the electric power detection of the battery of different manufacturers and different size, has the most general
Property.
In the present embodiment, power testing system also includes supply module, and supply module connects battery, and detects charging current
Module, discharge current detection module, control module, output module and voltage detection module are powered.
Finally illustrating, preferred embodiment above is only in order to illustrate the technical solution of the utility model and unrestricted, although passing through
This utility model is described in detail by above preferred embodiment, it is to be understood by those skilled in the art that can be
In form and it is made various change, without departing from this utility model claims limited range in details.
Claims (8)
1. a detachable target car, including chassis, it is characterised in that: described chassis include anterior assembly, middle connecting assembly and after
Portion's assembly, described anterior assembly is used for the control in target car driving process and the monitoring of each parameter of target car；Described middle connecting assembly
For target Herba Plantaginis portion assembly, the connection of rear portion assembly and battery, the installation of controller, and provide working place for personnel；Rear portion
Assembly is mainly used in the installation of back axle.
Detachable target car the most according to claim 1, it is characterised in that: described anterior assembly and middle connecting assembly are by the
A connection piece connects, and described middle connecting assembly is connected by the second connector with rear portion assembly.
Detachable target car the most according to claim 2, it is characterised in that: described first connector includes being fixedly arranged on anterior assembly
On the first connecting plate and several bolts, described first connecting plate is provided with several through holes, described bolt through through hole insert
In middle connecting assembly.
Detachable target car the most according to claim 3, it is characterised in that: described first connector also includes the second connecting plate,
Described second connecting plate is fixing with middle connecting assembly to be connected or one-body molded with middle connecting assembly, and described first connecting plate sets
It is equipped with taper boss, described second connecting plate is provided with for embedding the groove placing taper boss.
Detachable target car the most according to claim 3, it is characterised in that: described first connector also includes the second connecting plate,
Described second connecting plate is fixing with middle connecting assembly to be connected or one-body molded with middle connecting assembly, and described second connecting plate sets
It is equipped with taper boss, described first connecting plate is provided with for embedding the groove placing taper boss.
Detachable target car the most according to claim 2, it is characterised in that: described second connector includes being fixedly arranged on rear portion assembly
On the 3rd connecting plate and several bolts, described 3rd connecting plate is provided with several through holes, described bolt through through hole insert
In middle connecting assembly.
Detachable target car the most according to claim 6, it is characterised in that: described second connector also includes the 4th connecting plate,
Described 4th connecting plate is fixing with middle connecting assembly to be connected or one-body molded with middle connecting assembly, and described 3rd connecting plate sets
It is equipped with taper boss, described 4th connecting plate is provided with for embedding the groove placing taper boss.
Detachable target car the most according to claim 6, it is characterised in that: described second connector also includes the 4th connecting plate,
Described 4th connecting plate is fixing with middle connecting assembly to be connected or one-body molded with middle connecting assembly, and institute's palm fibre the 4th connecting plate sets
It is equipped with taper boss, described 3rd connecting plate is provided with for embedding the groove placing taper boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620398559.9U CN205561661U (en) | 2016-05-05 | 2016-05-05 | Can dismantle target car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620398559.9U CN205561661U (en) | 2016-05-05 | 2016-05-05 | Can dismantle target car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205561661U true CN205561661U (en) | 2016-09-07 |
Family
ID=56804877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620398559.9U Active CN205561661U (en) | 2016-05-05 | 2016-05-05 | Can dismantle target car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205561661U (en) |
-
2016
- 2016-05-05 CN CN201620398559.9U patent/CN205561661U/en active Active
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