CN106240659B - A kind of railroad hauling car - Google Patents
A kind of railroad hauling car Download PDFInfo
- Publication number
- CN106240659B CN106240659B CN201610720101.5A CN201610720101A CN106240659B CN 106240659 B CN106240659 B CN 106240659B CN 201610720101 A CN201610720101 A CN 201610720101A CN 106240659 B CN106240659 B CN 106240659B
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- CN
- China
- Prior art keywords
- clamping bar
- guide groove
- railroad hauling
- hauling car
- vehicle
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- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D49/00—Tractors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D15/00—Other railway vehicles, e.g. scaffold cars; Adaptations of vehicles for use on railways
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
The invention discloses a kind of railroad hauling cars, the traction of vehicle on track, including vehicle frame, power control system is provided on vehicle frame, bottom of frame is provided with rail running wheels, rail running wheels are connect with power control system, frame side is provided with mounting rail, mounting rail front end is provided with preceding guide groove and preceding guide groove tilts upwards along direction from front to back, clamping bar is embraced before being inserted in preceding guide groove, mounting rail rear end is provided with rear guide groove and the rear guide groove tilts upwards along direction from back to front, clamping bar is embraced after being inserted in guide groove afterwards, preceding armful of clamping bar is with the rear clamping bar of embracing for holding the wheel for waiting for towing vehicle tightly, it is provided with clamp system between preceding armful of clamping bar and the rear armful of clamping bar, clamp system is connect with the power control system.The railroad hauling car can be in the case where own wt be relatively low smaller with appearance and size, and traction is much larger than the vehicle of its own gravity, the use scope of effective expansion orbit tractor.
Description
Technical field
The present invention relates to technical field of vehicle, more specifically, more particularly to a kind of railroad hauling car.
Background technology
Railroad hauling car is properly termed as trailer again, is that one kind being usually used in railway goods traction, railway equipment repair, workshop goods
The means of transport in the places such as object transhipment.Railroad hauling car generally matches with the track being laid on ground, by affecting on track
The vehicle of bearing goods, to realize the transfer of cargo.Railroad hauling car is generally easy to use, safeguards easy and service life
Long, therefore, railroad hauling car is widely used in railway transportation rail flat car between the traction of vehicle, working shop of enterprise and workshop
The places such as traction.
Rapid development based on modern logistics, for traction of the railroad hauling car to vehicle on track, people are better achieved
It has been gradually increased the structural research to railroad hauling car.Application No. is 201520055440.7 utility model patents to disclose
A kind of existing railroad hauling car, including electrically propelled traction vehicle and its accumulator, electric cabinet, motor, speed reducer, draw hook composition and
The top and bottom of wheel and track, hydraulic cylinder are connect with rail electric traction vehicle carriage and railless electric flatcar vehicle frame respectively；
The railless electric flatcar is set there are two driving wheel and universal wheel, and the wheel shaft and rail of the driving wheel of the railless electric flatcar are electric
The wheel shaft of dynamic tractor driving wheel is perpendicular, and the driving wheel motor and speed reducer and hydraulic station of driving rail electrically propelled traction vehicle are all provided with
On the vehicle frame of rail electrically propelled traction vehicle, it is located on the guide post on rail electric traction vehicle carriage and railless electric flatcar vehicle frame
Guide sleeve is slippery.The railroad hauling car of patent offer is simple in structure, manufacture is easy, price is low, and can effectively realize on track
The traction of vehicle.
But for the railroad hauling car that above-mentioned patent provides, on the mode of traction of vehicle and railroad hauling car,
The scheme and existing other railroad hauling cars that the patent provides are essentially identical, i.e., vehicle to be drawn on track generally directly connects
It is connected on draw hook, providing power by railroad hauling car is transferred on draw hook, draw hook and then drive vehicle movement.Such as
This, when the vehicle weight that need to be drawn is larger, to affect these vehicles, railroad hauling car itself to generally require greatly to conduct oneself with dignity
Enough adhesive force is provided, it is therefore desirable to railroad hauling car own wt and appearance and size it is all very big, strongly limit
The use scope of railroad hauling car.
Invention content
The technical problem to be solved in the present invention is to provide a kind of railroad hauling car, which is set by its structure
Meter, can be in the case where own wt be relatively low smaller with appearance and size, and traction is effectively expanded much larger than the vehicle of its own gravity
Open up the use scope of railroad hauling car.
A kind of railroad hauling car is provided with dynamic Control for the traction of vehicle on track, including vehicle frame on the vehicle frame
System, the bottom of frame are provided with rail running wheels, and the rail running wheels are connect with the power control system, the vehicle
Frame side is provided with mounting rail, before the mounting rail front end is provided with guide groove and the preceding guide groove along direction from front to back to
Upper inclination, embraces clamping bar before being inserted in the preceding guide groove, the mounting rail rear end be provided with rear guide groove and it is described after be oriented to
Slot tilts upwards along direction from back to front, and armful clamping bar after being inserted in the rear guide groove embraces clamping bar and described rear armful before described
Clamping bar is provided with clamp system, institute before described for holding the wheel for waiting for towing vehicle tightly between armful clamping bar and the rear armful of clamping bar
Clamp system is stated to connect with the power control system.
Preferably, the clamp system includes left splint, right splint, clamping cylinder and link assembly, and the left clamp is solid
It is scheduled on the preceding armful of clamping bar, the right Boards wall is embraced on clamping bar in the rear, the clamping cylinder and the link assembly
Both ends are connected on the left clamp and the right clamping plate.
Preferably, the rail running wheels are mounted on the both ends of the front and back rotary shaft being arranged of the vehicle frame, the rotary shaft
One end is connected with drive motor by driving universal joint, and the drive motor is connect with the power control system.
Preferably, the preceding guide groove or/and the cross sectional shape of rear guide groove along the longitudinal direction are middle part rectangle,
Both ends are semicircle.
Preferably, the power control system includes electric-motor pump, electric hydraulic control system and accumulator.
Preferably, embraced before described clamping bar with it is described after embrace clamping bar and wait for that one end of towing vehicle wheel is provided with armful for holding
Bearing up pulley.
Preferably, it is provided with card slot on the holding wheel.
Preferably, it is provided with highway running gear on the vehicle frame.
Preferably, the highway running gear includes bottom plate, is set to the driving wheel of the bottom plate lower part and is connected to institute
The bogie on driving wheel is stated, lifting cylinder is provided between the bottom plate and the vehicle frame.
The beneficial effects of the invention are as follows：Railroad hauling car provided by the invention is needing to draw vehicle on track
When, clamping force is provided by clamp system, clamping bar is embraced before control and rear clamping bar of embracing holds the wheel for waiting for towing vehicle tightly, due to preceding armful
Before clamping bar is plugged in guide groove, clamping bar is embraced afterwards and is plugged in rear guide groove, and preceding guide groove is upward along direction from front to back
It tilts, rear guide groove tilts upwards along direction from back to front, embraces both clamping bar and rear armful of clamping bar in the past and closes up to hold tightly and waits drawing
When the wheel of vehicle, clamping force is not only had, the active force of upward direction is also had, in this way, waiting for that the wheel of towing vehicle can be to
Preceding armful of clamping bar is transferred to entire railroad hauling car in turn, makes rail with one downward reaction force of clamping bar, the reaction force is embraced afterwards
Tractor pressure in road is attached greatly to enhance the adhesive force of railroad hauling car on the ground, can own wt it is relatively low with it is outer
In the case that shape size is smaller, traction is much larger than the vehicle of its own gravity, the use scope of effective expansion orbit tractor.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of overall structure diagram of 1 railroad hauling car of the embodiment of the present invention；
Fig. 2 is enlarged diagram at the A of 1 Fig. 1 of the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of 1 highway running gear of the embodiment of the present invention；
Fig. 4 is a kind of overall structure diagram of 2 railroad hauling car of the embodiment of the present invention.
Specific implementation mode
In order to make those skilled in the art better understand the technical solutions in the application, below in conjunction with the application reality
The attached drawing in example is applied, technical solutions in the embodiments of the present application is clearly and completely described, it is clear that described implementation
Example is merely a part but not all of the embodiments of the present application.
Based on the embodiment in the application, those of ordinary skill in the art are obtained without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present application.
Embodiment 1：
Referring to Fig. 1 to Fig. 3, Fig. 1 to Fig. 3 provides a kind of specific embodiment of railroad hauling car, wherein Fig. 1 is this hair
A kind of overall structure diagram of 1 railroad hauling car of bright embodiment；Fig. 2 is enlarged diagram at the A of 1 Fig. 1 of the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of 1 highway running gear of the embodiment of the present invention.
The orientation word such as the "front", "rear" that occurs in this programme, " front end " and " rear end " is normal with railroad hauling car
Direction of travel is as basis of reference.
In embodiment provided by the invention, " preceding ", " front end " are the left side of attached drawing, and " rear " " rear end " is the right side of attached drawing.
As shown in Figure 1 to Figure 3, traction of a kind of railroad hauling car provided by the invention for vehicle on track, including vehicle
Frame 1, power control system 2, rail running wheels 3, mounting rail 4, preceding guide groove 5, preceding armful of clamping bar 6, rear guide groove 7 embrace clamping bar 8 afterwards
With clamp system 9.
In the present solution, vehicle frame 1 has been used to support connection function.The concrete shape of vehicle frame 1 can be according to practical need with size
It is selected.
Power control system 2 is provided on vehicle frame 1, power control system 2 is for power needed for entire railroad hauling car
Output and control.
1 bottom of vehicle frame is provided with rail running wheels 3, and rail running wheels 3 are connect with power control system 2, rail running wheels 3
Hoofing part when being drawn for railroad hauling car.
Usually, when vehicle is drawn on to track, with preceding armful of clamping bar 6 and the rear track row for embracing 8 same edge of clamping bar
General be pressed on track of wheel 3 is walked to walk, and the generally walking of the rail running wheels 3 of another side is on road surface.
1 side of vehicle frame is provided with mounting rail 4, and guide groove 5 and preceding guide groove 5 are along from going to before 4 front end of mounting rail is provided with
Rear direction tilts upwards, and clamping bar 6 is embraced before being inserted in preceding guide groove 5.Preceding guide groove 5 is for the preceding guiding embraced when clamping bar 6 moves
Control.
4 rear end of mounting rail is provided with rear guide groove 7 and rear guide groove 7 tilts upwards along direction from back to front, rear guide groove 7
Clamping bar 8 is embraced after being inside inserted with.Guiding control when clamping bar 8 moves is embraced after guide groove 7 is used for afterwards.
Preceding armful of clamping bar 6 is used to hold the wheel for waiting for towing vehicle tightly with clamping bar 8 is embraced afterwards.
Since preceding guide groove 5 tilts upwards along direction from front to back, rear guide groove 7 tilts upwards along direction from back to front,
In this way, preceding armful of clamping bar 6 closes up holding when the wheel of towing vehicle with both clamping bars 8 are embraced afterwards, towing vehicle can be not only treated
Wheel applies clamping force, and the wheel that can also treat towing vehicle applies the active force of a upward direction.
In this way, preceding clamping bar 6 of embracing can be given to embrace 8 one downward reaction forces of clamping bar with after after the wheel of towing vehicle, and
Active force is bigger, and reaction force is also bigger, which is transferred to entire railroad hauling car in turn, keeps railroad hauling car pressure attached
On the ground, greatly enhance the adhesive force of railroad hauling car.
It is provided with clamp system 9 between preceding armful of clamping bar 6 and afterwards armful clamping bar 8, clamp system 9 is connect with power control system 2.
Clamp system 9 embraces clamping bar 6 and embraces separating and closing up for clamping bar 8 with rear before being used to control, towing vehicle is waited for for providing holding to it
The clamping force of wheel.
Generally, railroad hauling car provided by the invention need to vehicle is drawn on track when, first by track
Tractor is moved at the wheel for waiting for towing vehicle；Then clamping force is provided by clamp system 9, clamping bar 6 is embraced before control with after
It embraces clamping bar 8 and holds the wheel for waiting for towing vehicle tightly, before being plugged in due to preceding armful of clamping bar 6 in guide groove 5, after an armful clamping bar 8 is plugged in afterwards
In guide groove 7, and preceding guide groove 5 tilts upwards along direction from front to back, and rear guide groove 7 is along direction from back to front to updip
Tiltedly, clamping bar 6 was embraced in the past and closes up holding when the wheel of towing vehicle with both clamping bars 8 are embraced afterwards, treated the wheel of towing vehicle
The active force of clamping force and upward direction is provided, in this way, preceding clamping bar 6 of embracing can be given to embrace clamping bar 8 one with after after the wheel of towing vehicle
A downward reaction force, the reaction force are transferred to entire railroad hauling car in turn, keep railroad hauling car pressure attached on the ground,
The adhesive force of railroad hauling car is greatly enhanced, can be led in the case where own wt is relatively low smaller with appearance and size
Draw the vehicle much larger than its own gravity, the use scope of effective expansion orbit tractor.
In the present embodiment, to further facilitate railroad hauling car walking in orbit, rail running wheels 3 are mounted on vehicle frame
The both ends of the 1 front and back rotary shaft 10 being arranged, 10 one end of rotary shaft is connected with drive motor 11, drive motor by driving universal joint
11 connect with power control system 2.
In the present embodiment, preferably to facilitate preceding clamping bar 6 of embracing to be controlled with guiding when the rear armful of movement of clamping bar 8, preceding guide groove 5
It is middle part rectangle with the cross sectional shape of rear guide groove 7 along the longitudinal direction, both ends are semicircle.
In the present embodiment, to further facilitate the output and control of power, power control system 2 includes electric-motor pump 201, electricity
Gas-liquid pressure control system 203 and accumulator 203.
Electric-motor pump 201 is used for the output of rotation torque, and electric hydraulic control system 203 is used for electric part and hydraulic part
Control (203 relevant electrical equipment circuit of electric hydraulic control system and Hydraulic Elements pipeline are omitted in figure), accumulator
203 for providing electric energy.
In the present embodiment, for the holding for waiting for towing vehicle wheel is better achieved, preceding armful of clamping bar 6 is used for an armful clamping bar 8 afterwards
Holding waits for that one end of towing vehicle wheel is provided with holding wheel 12.
In the present embodiment, holds tightly and be provided with card slot 1201 on wheel 12.Tractor is waited in this way, can be stuck in by card slot 1201
On wheel.
It in the present embodiment, can not only walk in orbit for convenience of railroad hauling car, but also can be easily in highway uplink
It walks, highway running gear 13 is provided on vehicle frame 1.
The power of highway running gear 13 is provided, can in highway running gear 13 separately installed drive system,
Highway running gear 13 can be connect with power control system 2, power is provided by power control system 2.
In the present embodiment, to further facilitate walking of the railroad hauling car on highway, while railroad hauling car being facilitated to exist
Highway is walked to be switched between track travel both of which, and highway running gear 13 includes bottom plate 1301, is set to bottom plate
The driving wheel 1302 of 1301 lower parts and the bogie 1303 being connected on driving wheel 1302, are arranged between bottom plate 1301 and vehicle frame 1
There is lifting cylinder 1304.Driving wheel 1302 is used for the control of direction of travel, lifting cylinder for providing driving, bogie 1303
1304 are used for the control of 1301 rise and fall of bottom plate.
When need not draw, bottom plate 1301 is closer with ground distance, and driving wheel 1302 is grounded and rail running wheels 3 are hanging,
At this point, railroad hauling car is highway walking mode；
When needing to switch to track travel pattern, lifting cylinder 1304 is shunk, and bottom plate 1301 is lifted up, and then outstanding
Sky leaves ground, and rail running wheels 3 contact track, switch to track travel pattern.
In the present solution, the offer to 1304 power of lifting cylinder, can connect lifting cylinder 1304 and power control system 2
It connects.Additional dynamical system can also be directly set in highway running gear 13.
Embodiment 2：
A kind of specific embodiment of railroad hauling car of the present invention is provided referring to Fig. 4, Fig. 4, wherein Fig. 4 is that the present invention is real
Apply a kind of overall structure diagram of 2 railroad hauling car of example.
In the present embodiment, to further facilitate the control and output of clamp system 9, clamp system 9 include left clamp 901,
Right clamping plate 902, clamping cylinder 903 and link assembly 904, left clamp 901 are embraced before being fixed on clamping bar 6, and right clamping plate 902 is fixed on
After embrace on clamping bar 8, clamping cylinder 903 and 904 both ends of link assembly be connected to left clamp 901 on right clamping plate 902.
In the present embodiment, preceding armful of clamping bar 6 is installed with rear clamping bar 8 of embracing with one end activity that towing vehicle wheel is not in contact is waited for
On vehicle frame 1, the setting of left clamp 901 is at preceding armful of 6 middle part of clamping bar, and the setting of right clamping plate 902 is at rear armful of 8 middle part of clamping bar, in this way, when folder
When locking oil cylinder 903 exports clamping force to left clamp 901 and right clamping plate 902, preceding armful of clamping bar 6 with embrace afterwards clamping bar 8 will with its two
The tie point of person and vehicle frame 1 is drawn close obliquely for fulcrum, and link assembly 904 is oblique for embracing clamping bar 6 and armful clamping bar 8 afterwards before ensureing
On stability when drawing close.
For link assembly 904, four-bar mechanism is selected in the present embodiment, it is of course also possible to select other as needed
The link assembly 904 of form.
A kind of railroad hauling car provided by the present invention is described in detail above.Specific case used herein
Principle and implementation of the present invention are described, and the explanation of above example is only intended to help to understand side of the invention
Method and its core concept.It should be pointed out that for those skilled in the art, not departing from the principle of the invention
Under the premise of, it can be with several improvements and modifications are made to the present invention, these improvement and modification also fall into the claims in the present invention
In protection domain.
Claims (9)
1. a kind of railroad hauling car, the traction for vehicle on track, which is characterized in that including vehicle frame, be arranged on the vehicle frame
Dynamic control system, the bottom of frame are provided with rail running wheels, the rail running wheels and the power control system
Connection, the frame side are provided with mounting rail, before the mounting rail front end is provided with guide groove and the preceding guide groove along from
It goes to rear direction to tilt upwards, embraces clamping bar before being inserted in the preceding guide groove, the mounting rail rear end is provided with rear guide groove
And the rear guide groove tilts upwards along direction from back to front, and clamping bar, the preceding armful of folder are embraced after being inserted in the rear guide groove
Bar, for holding the wheel for waiting for towing vehicle tightly, is embraced before described and is provided between clamping bar and the rear armful of clamping bar with the rear armful of clamping bar
Clamp system, the clamp system are connect with the power control system.
2. railroad hauling car according to claim 1, which is characterized in that the clamp system include left splint, right splint,
Clamping cylinder and link assembly, the left clamp are fixed on the preceding armful of clamping bar, and the right Boards wall embraces folder in the rear
On bar, the clamping cylinder and the link assembly both ends are connected on the left clamp and the right clamping plate.
3. railroad hauling car according to claim 1, which is characterized in that before the rail running wheels are mounted on the vehicle frame
The both ends for the rotary shaft being arranged afterwards, described rotary shaft one end are connected with drive motor, the drive motor by driving universal joint
It is connect with the power control system.
4. railroad hauling car according to claim 1, which is characterized in that the preceding guide groove or/and the rear guide groove
Cross sectional shape along the longitudinal direction is middle part rectangle, and both ends are semicircle.
5. railroad hauling car according to claim 1, which is characterized in that the power control system includes electric-motor pump, electricity
Gas-liquid pressure control system and accumulator.
6. railroad hauling car according to claim 1, which is characterized in that embrace clamping bar before described and be used for the rear clamping bar of embracing
Holding waits for that one end of towing vehicle wheel is provided with holding wheel.
7. railroad hauling car according to claim 6, which is characterized in that be provided with card slot on the holding wheel.
8. railroad hauling car according to claim 1, which is characterized in that be provided with highway running gear on the vehicle frame.
9. railroad hauling car according to claim 8, which is characterized in that the highway running gear includes bottom plate, setting
Driving wheel in the bottom plate lower part and the bogie that is connected on the driving wheel, are arranged between the bottom plate and the vehicle frame
There is lifting cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610720101.5A CN106240659B (en) | 2016-08-24 | 2016-08-24 | A kind of railroad hauling car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610720101.5A CN106240659B (en) | 2016-08-24 | 2016-08-24 | A kind of railroad hauling car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106240659A CN106240659A (en) | 2016-12-21 |
| CN106240659B true CN106240659B (en) | 2018-10-23 |
Family
ID=57596132
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610720101.5A Active CN106240659B (en) | 2016-08-24 | 2016-08-24 | A kind of railroad hauling car |
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| CN (1) | CN106240659B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108725505B (en) * | 2018-05-16 | 2023-09-01 | 武汉开锐海洋起重技术有限公司 | Tractor vehicle |
| CN109278790A (en) * | 2018-11-29 | 2019-01-29 | 衡阳合力工业车辆有限公司 | A clamping device and rail tractor |
| FR3103164B1 (en) * | 2019-11-18 | 2021-10-22 | Sncf Mobilites | Support trolley for a functional organ |
| CN111216758B (en) * | 2019-12-20 | 2021-04-20 | 中国航空工业集团公司北京航空精密机械研究所 | Bidirectional traction device for high-speed rail wheel pair |
| CN114162153B (en) * | 2021-11-18 | 2023-02-21 | 衢州学院 | Towed AGV device for subway vehicle |
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|---|---|---|---|---|
| US4917020A (en) * | 1988-09-14 | 1990-04-17 | The Chamberlain Group, Inc. | Transition vehicle for use with convertible rail-highway trailers |
| CN201525991U (en) * | 2009-09-17 | 2010-07-14 | 上海彭浦机器厂有限公司 | Crawler-type steel rail tractor with adjustable rail dragging device |
| CN104442245A (en) * | 2014-12-01 | 2015-03-25 | 衡阳合力工业车辆有限公司 | Roadway and railway two-purpose tractor |
| CN204793768U (en) * | 2015-06-09 | 2015-11-18 | 国网山东济南市历城区供电公司 | Cubical switchboard cabinet combining auxiliary device |
| CN205930958U (en) * | 2016-08-24 | 2017-02-08 | 衡阳合力工业车辆有限公司 | Track hauling car |
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2016
- 2016-08-24 CN CN201610720101.5A patent/CN106240659B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4917020A (en) * | 1988-09-14 | 1990-04-17 | The Chamberlain Group, Inc. | Transition vehicle for use with convertible rail-highway trailers |
| CN201525991U (en) * | 2009-09-17 | 2010-07-14 | 上海彭浦机器厂有限公司 | Crawler-type steel rail tractor with adjustable rail dragging device |
| CN104442245A (en) * | 2014-12-01 | 2015-03-25 | 衡阳合力工业车辆有限公司 | Roadway and railway two-purpose tractor |
| CN204793768U (en) * | 2015-06-09 | 2015-11-18 | 国网山东济南市历城区供电公司 | Cubical switchboard cabinet combining auxiliary device |
| CN205930958U (en) * | 2016-08-24 | 2017-02-08 | 衡阳合力工业车辆有限公司 | Track hauling car |
Also Published As
| Publication number | Publication date |
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| CN106240659A (en) | 2016-12-21 |
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