CN208376901U - A kind of dome car - Google Patents
A kind of dome car Download PDFInfo
- Publication number
- CN208376901U CN208376901U CN201820788574.3U CN201820788574U CN208376901U CN 208376901 U CN208376901 U CN 208376901U CN 201820788574 U CN201820788574 U CN 201820788574U CN 208376901 U CN208376901 U CN 208376901U
- Authority
- CN
- China
- Prior art keywords
- chassis
- trailer
- traction
- tractor
- wheel assembly
- 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
Landscapes
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Abstract
This application discloses a kind of dome cars comprising tractor, tractor have power assembly;The trailer of tractor is connected by traction device, traction device includes traction support;It is articulated in the draw beam of traction support;And it is installed on the threading frame on draw beam;Wherein, threading frame includes the support line bar being vertically arranged in draw beam;The flank line bar bent respectively to two sides from support line bar;And by the curved circular coil of flank line bar;And it is installed on the brake assembly of tractor and trailer.The utility model is cooperated by tractor and trailer, traction device traction, avoids the driving safety trouble of previous dome car.
Description
Technical field
The application belongs to dome car technical field, specifically, being related to a kind of dome car.
Background technique
Dome car is to be mainly used in the recreation grounds such as scenic spot, park, market to be used to deliver tourist;It can be used for city
The densely populated place in city is used to deliver tourist.Existing dome car bears load mistake regardless of the chassis of tractor or trailer
It is small, subsequent compartment is drawn, it can only single-unit use;In addition high level chassis is used, higher cost, structure is complicated, subsequent
It is more troublesome when vehicle body is installed, the installation of the ornamental member of some dome cars is not able to satisfy, simultaneously for dome car
Brake request is more easy, handles without complication.Moreover, the vehicle body of trailer needs to accommodate more passenger, frivolous dissipate is needed
Heat treatment.
Utility model content
In view of this, by tractor and being hung the technical problem to be solved by the application is to provide a kind of dome car
Vehicle cooperates, traction device traction, avoids the driving safety trouble of previous dome car.
In order to solve the above-mentioned technical problem, this application discloses a kind of dome cars comprising tractor, tractor have
Power assembly;The trailer of tractor is connected by traction device, traction device includes traction support;It is articulated in leading for traction support
Draw beam;And it is installed on the threading frame on draw beam;Wherein, threading frame includes the support line bar being vertically arranged in draw beam;By supporting
The flank line bar that line bar is bent to two sides respectively;And by the curved circular coil of flank line bar;And be installed on tractor with
The brake assembly of trailer.
According to one embodiment of the utility model, wherein above-mentioned tractor includes traction chassis;It is installed on tractor bottom
The preceding wheel assembly and rear wheel assembly of disk;It is installed on the traction vehicle body of traction chassis;The front steering of wheel assembly before being respectively arranged at
The rear steering transmission device of transmission device and rear wheel assembly;And the transmission shaft of two steering transmission linkages of connection, transmission shaft are oblique
To setting.
According to one embodiment of the utility model, wherein above-mentioned front steering transmission device includes the card of wheel assembly before being welded in
Claw, claw portion have the fixed part extended;It is articulated in the double-deck holding section of fixed part;And it is fixed on the double-deck holding section
And it is located at the base plate on the upside of preceding wheel assembly, wherein pedestal front edge of board is pivotally connected transmission shaft, and rear end is bent downward through front rod point
It Lian Jie not two front wheels;Rear steering transmission device is identical as front steering transmission structures and is oppositely arranged.
According to one embodiment of the utility model, wherein above-mentioned transmission shaft one end is set on the left of front steering transmission device;
The other end is set on the right side of rear steering transmission device.
According to one embodiment of the utility model, wherein above-mentioned trailer includes chassis of trailer;Before being set to chassis of trailer
Wheel assembly;It is set to the rear wheel assembly of chassis of trailer;It is installed on the trailer body of chassis of trailer;And before being installed on trailer body
The traction at end is linked up with;Wherein, the vehicle window of trailer body is to being provided with grid between chassis of trailer, the top of trailer body have to
The gear beam slab extended around.
According to one embodiment of the utility model, wherein above-mentioned chassis of trailer includes chassis head, connecting base plate head
Preceding wheel plate portion, the preceding wheel plate portion of connection chassis in the middle part of, the rear wheel plate portion in the middle part of connecting base plate, after connection wheel plate portion chassis tail
Portion and the pedal for being installed on side;Wherein, preceding wheel plate portion and rear wheel plate portion have the first width, in chassis head and chassis
Portion and chassis tail portion have the second width, and the first width is less than the second width;Wherein pedal uses width 8cm, the side of thickness 4cm
Pipe.
According to one embodiment of the utility model, wherein above-mentioned traction hook includes the fixed branch for being installed on chassis head
Seat;The bottom bracket being set on the downside of hold-down support, bottom bracket have lower pilot hole;Bracket on the upside of bottom bracket, pop-up
Frame has upper pilot hole, wherein lower pilot hole aperture is less than upper pilot hole aperture;And pilot hole is worn to lower pilot hole
Axis of traction.
According to one embodiment of the utility model, wherein spacing 12cm ~ 18cm between above-mentioned upper pilot hole and lower pilot hole;
The bottom bracket two sides setting buffering cotton opposite with bracket.
It is connected to wherein above-mentioned brake assembly uses hydraulic control by hydraulic total pump according to one embodiment of the utility model
Triple valve control is oriented to the hydraulic shunt pump braking of each wheel.
Compared with prior art, the application can be obtained including following technical effect:
1) trailer body is cooperated by chassis of trailer, forms trailer main body frame, while drawing hook traction, avoided previous
The bulky trouble of trailer structure.
2) it is cooperated by traction chassis and tractor vehicle body, row is at main body frame;Steering transmission linkage, which reduces, to be turned
To radius, the Turning travel trouble of previous dome car is avoided.
3) it is cooperated by tractor and trailer, traction device traction avoids the driving safety fiber crops of previous dome car
It is tired.
Certainly, any product for implementing the application must be not necessarily required to reach all the above technical effect simultaneously.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, this Shen
Illustrative embodiments and their description please are not constituted an undue limitation on the present application for explaining the application.In the accompanying drawings:
Fig. 1 is the dome car schematic diagram of the embodiment of the present application;
Fig. 2 is the traction device schematic diagram of the embodiment of the present application;
Fig. 3 is the dome car tractor schematic diagram of the embodiment of the present application;
Fig. 4 is the front steering transmission device and rear steering transmission device scheme of installation of the embodiment of the present application;
Fig. 5 is the front steering transmission device schematic diagram of the embodiment of the present application;
Fig. 6 is the dome car trailer schematic diagram of the embodiment of the present application;
Fig. 7 is the chassis of trailer schematic diagram of the embodiment of the present application;
Fig. 8 is the traction hook schematic diagram of the embodiment of the present application.
Appended drawing reference
Tractor 10 draws chassis 11, wheel assembly 12 before tractor, and tractor rear wheel assembly 13 draws vehicle body 14, preceding
Steering transmission linkage 15, rear steering transmission device 16, transmission shaft 17, tractor-trailer 20, chassis of trailer 21, trailer front wheel assembly
22, trailer rear wheel assembly 23, trailer body 24, traction hook 25, traction device 30, claw portion 151, fixed part 152, double-deck card
Conjunction portion 153, base plate 154, front rod 155, chassis head 211, preceding wheel plate portion 212, chassis middle part 213, rear wheel plate portion 214,
Chassis tail portion 215, pedal 216, vehicle window 241, grid 242 keep off beam slab 243, hold-down support 251, bottom bracket 252, lower pilot hole
253, bracket 254, upper pilot hole 255, axis of traction 256, traction support 310, draw beam 320, threading frame 330, support line bar
331, flank line bar 332, circular coil 333, the first width D 1, the second width D 2.
Specific embodiment
Presently filed embodiment is described in detail below in conjunction with accompanying drawings and embodiments, how the application is applied whereby
Technological means solves technical problem and reaches the realization process of technical effect to fully understand and implement.
It is the dome car schematic diagram of the embodiment of the present application please also refer to Fig. 1 and Fig. 2, Fig. 1;Fig. 2 is that the application is implemented
The traction device schematic diagram of example.A kind of dome car includes tractor 10, and tractor 10 has power assembly;Pass through traction device
The trailer 20 of 30 connection tractors 10, traction device 30 include traction support 310;It is articulated in the draw beam of traction support 310
320;And it is installed on the threading frame 330 on draw beam 320;Wherein, threading frame 330 includes being vertically arranged in the support of draw beam 320
Line bar 331;The flank line bar 332 bent respectively to two sides from support line bar 331;And by the curved circle of flank line bar 332
Coil 333;And it is installed on the brake assembly of tractor 10 Yu trailer 20.In one embodiment of the utility model, column of going sightseeing
Vehicle is divided into the tractor 10 for having power and the trailer 20 to take passenger, and wherein tractor 10 is connected by traction device 30
Trailer 20 plays stable drive, the function of safety traffic.Traction support 310 is fixed on 10 tail portion of tractor, is articulated with high intensity
Draw beam 320, trailer 20 of the draw beam 320 to connect subsequent dome car, increase compartment.And thread the support of frame 330
Line bar 331 supports the opposite flank line bar 332 extended in two sides, and spacing is pulled open, and the circular coil 333 of formation wears cable,
Play the role of winding displacement.Certainly, in order to increase a few section trailers 20, also traction device can be set in the tail portion of corresponding trailer 20 more
30, successively draw.
Fig. 3 and Fig. 4 are please referred to, Fig. 3 is the dome car tractor schematic diagram of the embodiment of the present application;Fig. 4 is the application reality
Apply the front steering transmission device and rear steering transmission device scheme of installation of example.Tractor 10 includes traction chassis 11;Installation
Wheel assembly 12 and tractor rear wheel assembly 13 before the tractor of traction chassis 11;It is installed on the tractor of traction chassis 11
Body 14;The rear steering transmission device 16 of the front steering transmission device 15 of wheel assembly 12 and rear wheel assembly 13 before being respectively arranged at;With
And the transmission shaft 17 of two steering transmission linkages of connection, transmission shaft 17 are angularly disposed.In one embodiment of the utility model, see
The tractor 10 of light train is used as headstock, needs to control direction, guarantees the effect of safety traffic.Draw chassis 11 and tractor
Body 14 cooperates, and forms the main body frame of tractor 10, and preceding wheel assembly 12 is turned to rear wheel assembly 13 to be connected, and can be towed
Power output is realized in the control of vehicle 10.In addition, the front steering transmission device 15 and rear steering by the oblique connection of transmission shaft 17 pass
Wheel assembly 12 and rear wheel assembly 13 before dynamic device 16 can synchronize, while the steering of four-wheel is controlled, greatly reduce tractor
10 turning radius, it is safer and stable.
Wheel assembly 12 includes two front wheels and the front-wheel main shaft for turning to connection two front wheels before tractor;Rear wheel assembly 13 includes two
Rear-wheel and the rear-wheel main shaft for turning to two rear-wheels of connection.The front-wheel of preceding 12 two sides of wheel body is mounted on front-wheel main shaft by suspension,
Wheel body 13 similarly, uses the steering for completing front-wheel and rear-wheel afterwards, this attached drawing is conveniently painted, does not repeat herein.
Referring to FIG. 5, Fig. 5 is the front steering transmission device schematic diagram of the embodiment of the present application.Front steering transmission device 15 wraps
The claw portion 151 of wheel assembly 12 before being welded in is included, claw portion 151 has the fixed part 152 extended;It is articulated in fixed part
The 152 double-deck holding section 153;And be fixed on the double-deck holding section 153 and be located at the base plate 154 of preceding 12 upside of wheel assembly,
Middle 154 front end of base plate is pivotally connected transmission shaft 17, and rear end, which is bent downward, is separately connected two front wheels by front rod 155;Rear steering passes
Dynamic device 16 is identical as 15 structure of front steering transmission device and is oppositely arranged.In one embodiment of the utility model, claw portion
The 151 spaced multiple claws of tool, multiple claws are bonded front-wheel main shaft, and close to contradict, welding is stablized.Front end passes through the double-deck engaging
153 clamping fixed part 152 of portion, while fixed pin is worn, play the role of pivot joint, can be convenient for being fixed on the double-deck holding section 153
On base plate 154 deflection, be thus connected transmission shaft 17, oblique deflection is convenient, stable direction.
Rear steering transmission device 16 is identical as 15 structure of front steering transmission device and is oppositely arranged.Front steering transmission device 15
It is mounted on front-wheel main shaft, two sides pass through front rod 155 respectively and connect adjacent front-wheel, when front-wheel is by dome car steering wheel
When driving turns to, front rod 155 drives front steering transmission device 15 to deflect with pulling.At this point, being similarly mounted on rear-wheel
Rear steering transmission device 16 on main shaft turns since angularly disposed transmission shaft 17 receives pullling for front steering transmission device 15
And will drive back link, so that rear-wheel follows front-wheel to link in the same direction, the turning radius of front-wheel is substantially reduced, more for volume
For huge dome car, turn to more easy and convenient.
It is noted that 17 one end of transmission shaft is set to 15 left side of front steering transmission device;The other end turns after being set to
To 16 right side of transmission device.When one of base plate 154, which rotates, drives transmission shaft 17, to so that drive another base plate
154 rotations, stable transmission, it is convenient to turn to.
Next, referring to FIG. 6, Fig. 6 is the dome car trailer schematic diagram of the embodiment of the present application.Trailer 20 includes trailer
Chassis 21;It is set to the trailer front wheel assembly 22 of chassis of trailer 21;It is set to the trailer rear wheel assembly 23 of chassis of trailer 21;Installation
In the trailer body 24 of chassis of trailer 21;And it is installed on the traction hook 25 of 24 front end of trailer body;Wherein, trailer body 24
Vehicle window 241 to grid 242 is provided between chassis of trailer 21, the top of trailer body 24 has the gear beam slab extended around
243.In one embodiment of the utility model, chassis of trailer 21 supports trailer body 24, forms the main body frame of trailer 20, bottom
The preceding wheel assembly 22 in portion can be travelled with rear wheel assembly 23 as the tractor 10 that traction hook 25 is connect drives, and carry passenger,
Safe and convenient.In addition, setting grid 242 in interval on the downside of the vehicle window 241 of trailer body 24, can reduce complete vehicle quality, dredge simultaneously
Ventilation quantity, cool and comfortable.243 sun-shading rain-proof of gear beam slab at top, structure is simple, easy to use.
Referring to FIG. 7, Fig. 7 is the chassis of trailer schematic diagram of the embodiment of the present application.Chassis of trailer 21 includes chassis head
211, the preceding wheel plate portion 212 on connecting base plate head 211, the chassis middle part 213 for connecting preceding wheel plate portion 212, connecting base plate middle part 213
Rear wheel plate portion 214, the chassis tail portion 215 in wheel plate portion 214 and be installed on the pedal 216 of side after connection;Wherein, front-wheel
Plate portion 212 and rear wheel plate portion 214 have the first width D 1, and chassis head 211 has in the middle part of chassis 213 with chassis tail portion 215
Second width D 2, the first width D 1 is less than the second width D 2;Wherein pedal 216 uses width 8cm, the square tube of thickness 4cm.At this
In one embodiment of utility model, chassis of trailer 21 uses steel construction integrated die-casting, has the chassis head for playing traction support
211, it provides 213 in the middle part of the chassis of main bearing space, and the chassis tail portion 215 of the subsequent trailer of traction.Preceding wheel plate portion 212 is with after
214 width of wheel plate portion is smaller, mainly facilitates wheel assembly 22 and rear wheel assembly 23 before setting in installation, including guarding, driving stability.It steps on
Plate 216 uses width 8cm, the square tube of thickness 4cm, and metal is made, and is welded in chassis, bearing capacity is strong, facilitates passenger loading.
Trailer front wheel assembly 22 installs wheel plate portion 212 before front-wheel is fixed on by front-axle beam;Rear wheel assembly 23 is pacified by the back rest
Dress rear-wheel is fixed on rear wheel plate portion 214.Preceding wheel assembly 22 is identical as 23 structure of rear wheel assembly, using plain shaft cock wheel tire, plays
The effect advanced and retreated is simple without in addition addition transfer, structure.
Next, referring to FIG. 8, Fig. 8 is the traction hook schematic diagram of the embodiment of the present application.Traction hook 25 includes installation
Hold-down support 251 in chassis head 211;It is set to the bottom bracket 252 of 251 downside of hold-down support, bottom bracket 252 is led under having
To hole 253;Bracket 254 positioned at 252 upside of bottom bracket, bracket 254 have upper pilot hole 255, wherein lower pilot hole 253
Aperture is less than upper 255 aperture of pilot hole;And wear the axis of traction 256 of pilot hole 255 to lower pilot hole 253.It is practical at this
In a novel embodiment, hold-down support 251 can be by welding or screw bolt reinforcing on earth in disc head portions 11, and alignment front is gone sightseeing
The tractor 10 of train is realized by traction provided by the utility model hook 25 and is drawn.Specifically, fixed bracket 251 has
Standby bracket 254 disposed in parallel and bottom bracket 252, both have concentric upper pilot hole 255 and lower pilot hole 253,
It uses and wears the fixed axis of traction 256 being inserted into, axis of traction 256 is arranged the draw beam 320 of Anterior crossbite vehicle 10, facilitates peace
Dress.And lower 253 aperture of pilot hole is set smaller than 255 aperture of pilot hole, stability is preferable, can also be conducive to axis of traction 256
Guide-localization.It is noted that spacing 12cm ~ 18cm between upper pilot hole 255 and lower pilot hole 253, reserves sufficient model
Suspension draw beam 320 is enclosed, it is easy to use.
In addition, the two sides setting buffering cotton that bottom bracket 252 provided by the utility model is opposite with bracket 254, Neng Gouwen
Surely the draw beam 320 for supporting tractor 10, reduces the generation of noise, also avoids wearing, easy to use.
It is noted that the brake assembly of dome car provided by the utility model uses hydraulic control, by hydraulic total
Pump connection triple valve control is oriented to the hydraulic shunt pump braking of each wheel, simple and practical.
Above description shows and describes several preferred embodiments of the present application, but as previously described, it should be understood that the application
Be not limited to forms disclosed herein, should not be regarded as an exclusion of other examples, and can be used for various other combinations,
Modification and environment, and the above teachings or related fields of technology or knowledge can be passed through in application contemplated scope described herein
It is modified.And changes and modifications made by those skilled in the art do not depart from spirit and scope, then it all should be in this Shen
It please be in the protection scope of appended claims.
Claims (9)
1. a kind of dome car characterized by comprising
Tractor, the tractor have power assembly;
The trailer of the tractor is connected by traction device, the traction device includes traction support;It is articulated in the traction
The draw beam of support;And it is installed on the threading frame on the draw beam;Wherein, the threading frame includes being vertically arranged in the traction
The support line bar of beam;The flank line bar bent respectively to two sides from the support line bar;And it is curved by the flank line bar
Circular coil;And
It is installed on the brake assembly of the tractor Yu the trailer.
2. dome car according to claim 1, which is characterized in that wherein the tractor includes traction chassis;Peace
Preceding wheel assembly and rear wheel assembly loaded on the traction chassis;It is installed on the traction vehicle body of the traction chassis;It sets respectively
It is placed in the front steering transmission device of the preceding wheel assembly and the rear steering transmission device of the rear wheel assembly;And two turns of connection
To the transmission shaft of transmission device, the transmission shaft is angularly disposed.
3. dome car according to claim 2, which is characterized in that wherein the front steering transmission device includes being welded in
The claw portion of the preceding wheel assembly, the claw portion have the fixed part extended;It is articulated in the double-deck card of the fixed part
Conjunction portion;And the base plate for being fixed on the double-deck holding section and being located on the upside of the preceding wheel assembly, wherein before the base plate
End is pivotally connected the transmission shaft, and rear end, which is bent downward, is separately connected two front wheels by front rod;The rear steering transmission device and institute
It is identical and be oppositely arranged to state front steering transmission structures.
4. dome car according to claim 3, which is characterized in that wherein described transmission shaft one end is set to the forward
On the left of to transmission device;The other end is set on the right side of the rear steering transmission device.
5. dome car according to claim 1, which is characterized in that wherein the trailer includes chassis of trailer;It is set to
The preceding wheel assembly of the chassis of trailer;It is set to the rear wheel assembly of the chassis of trailer;It is installed on the trailer of the chassis of trailer
Vehicle body;And it is installed on the traction hook of the trailer body front end;Wherein, the vehicle window of the trailer body is to the trailer bottom
Grid is provided between disk, the top of the trailer body has the gear beam slab extended around.
6. dome car according to claim 5, which is characterized in that wherein the chassis of trailer includes chassis head, connects
It meets the preceding wheel plate portion on the chassis head, connect the rear wheel plate in the middle part of the chassis in the preceding wheel plate portion, in the middle part of the connection chassis
Portion, the chassis tail portion for connecting the rear wheel plate portion and the pedal for being installed on side;Wherein, the preceding wheel plate portion and it is described after
There is the first width, the chassis head and chassis middle part and the chassis tail portion to have the second width in wheel plate portion, described
First width is less than second width;Wherein the pedal uses width 8cm, the square tube of thickness 4cm.
7. dome car according to claim 6, which is characterized in that wherein the traction hook includes being installed on the bottom
The hold-down support of disc head portions;The bottom bracket being set on the downside of the hold-down support, the bottom bracket have lower pilot hole;Positioned at institute
The bracket on the upside of bottom bracket is stated, the bracket has upper pilot hole, leads wherein the lower pilot hole aperture is less than on described
To hole aperture;And wear the axis of traction of the upper pilot hole to the lower pilot hole.
8. dome car according to claim 7, which is characterized in that wherein the upper pilot hole and the lower pilot hole it
Between spacing 12cm ~ 18cm;The bottom bracket two sides setting buffering cotton opposite with the bracket.
9. dome car according to claim 1, which is characterized in that wherein the brake assembly uses hydraulic control, by
Hydraulic total pump is connected to the hydraulic shunt pump braking that triple valve control is oriented to each wheel.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820788574.3U CN208376901U (en) | 2018-05-25 | 2018-05-25 | A kind of dome car |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820788574.3U CN208376901U (en) | 2018-05-25 | 2018-05-25 | A kind of dome car |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208376901U true CN208376901U (en) | 2019-01-15 |
Family
ID=64972306
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201820788574.3U Expired - Fee Related CN208376901U (en) | 2018-05-25 | 2018-05-25 | A kind of dome car |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN208376901U (en) |
-
2018
- 2018-05-25 CN CN201820788574.3U patent/CN208376901U/en not_active Expired - Fee Related
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPH06500284A (en) | Vehicle assembly consisting of tow vehicle and trailer | |
EP2730444B1 (en) | Insert for at least supported driving of a commercial vehicle and/or a commercial vehicle trailer | |
CN103359233B (en) | Combinable vehicle chassis device | |
US2325822A (en) | Truck for trailer vehicles | |
DE102014012549A1 (en) | Method for controlling brakes in a vehicle | |
CN108622217A (en) | A kind of dome car | |
CN203410443U (en) | Auxiliary braking device of automobile | |
CN208376901U (en) | A kind of dome car | |
CN102729744A (en) | Highway track hydraulic-tractor | |
CN208278159U (en) | A kind of tractor | |
CN208376911U (en) | A kind of dome car trailer | |
CN205499048U (en) | With orbit traction lever trailer train | |
CN115958924A (en) | Double-traction transfer trolley | |
CN105966455A (en) | Same-track drag rod trailer train | |
US2133202A (en) | Trailer hitch | |
CN208248343U (en) | A kind of dome car chassis of trailer | |
CN1978229A (en) | Chassiss suspension and semi-trailer with same | |
CN208376776U (en) | A kind of dome car traction device | |
CN201109358Y (en) | Road-railway dual-purpose traction fork lift | |
US2153468A (en) | Load distributing, auxiliary power, duo semi-trailer tractor | |
CN108482514A (en) | A kind of dome car trailer | |
CN208233196U (en) | A kind of dome car tractor | |
CN202180872U (en) | Bidirectional trailer | |
CN108482413A (en) | A kind of dome car draft gear | |
EP0207733A1 (en) | Improvements to trailers |
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: 20190115 Termination date: 20200525 |