CN104442245B - A kind of combined tractor - Google Patents
A kind of combined tractor Download PDFInfo
- Publication number
- CN104442245B CN104442245B CN201410717072.8A CN201410717072A CN104442245B CN 104442245 B CN104442245 B CN 104442245B CN 201410717072 A CN201410717072 A CN 201410717072A CN 104442245 B CN104442245 B CN 104442245B
- Authority
- CN
- China
- Prior art keywords
- plate
- wheel shaft
- vehicle frame
- bridge
- oil cylinder
- 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.)
- Active
Links
Landscapes
- Vehicle Body Suspensions (AREA)
- Agricultural Machines (AREA)
Abstract
The invention discloses a kind of combined tractor, including railway supports bridge and railway guide bridge, work process at support bridge lifting device is: before the flexible drive of the first oil cylinder, upper junction plate rotates, then before driving, lower connecting plate rotates, front lower connecting plate drives the first slide block assembly to slide up and down along fromer rail, and the first slide block assembly drives the left support wheel shaft and the upper and lower vertical lift of right support wheel shaft being attached thereto；The work process of guide bridge lifting device is: after the flexible drive of the second oil cylinder, upper junction plate rotates, then after driving, lower connecting plate rotates, rear lower connecting plate drives the second slide block assembly to slide up and down along rear rail, and the second slide block assembly drives the upper and lower vertical lift of guide wheel shaft.The device that this programme provides is by utilizing the principle of slider-crank mechanism, it is achieved support wheel shaft and the lifting of guide wheel shaft in the vertical direction, reduces and supports the space taken in wheel shaft and guide wheel shaft lifting engineering, facilitates arrangement.
Description
Technical field
The present invention relates to tractor technical field, particularly to a kind of combined tractor.
Background technology
Combined tractor is that one i.e. may be used for highway traction goods, can draw again on railway
The industrial vehicle of goods, vehicle needs to be operated the switching of pattern when road and rail traction working condition converts.
Combined tractor is provided with four groups of bridges altogether, is highway steeraxle, highway drive axle, railway respectively
Road vehicle wheel, railway are installed on support bridge and railway guide bridge, highway steeraxle and highway drive axle
In support bridge and railway guide bridge, railway wheel is installed.
On highway during towage, railway supports bridge and railway guide bridge are packed up, and railway wheel departs from ground
Road vehicle that certain height, highway steeraxle and drive axle are installed wheel contact ground, driving model with
Normal traction car is consistent；When needs operation on railway, railway supports bridge and railway guide bridge decline,
The railway wheel being arranged on railway supports bridge contacts rail and supports vehicle frame, makes the public affairs on highway steeraxle
Road vehicle wheel departs from ground one segment distance, is arranged on railway wheel in railway guide bridge and contacts rail and keep one
Fixed normal pressure.
The railway supports bridge of existing combined tractor and the lifting supporting mechanism of railway guide bridge are pendulum
Dynamic formula lifting mechanism, when not using, is stowed in the both sides of car respectively by railway supports bridge and railway guide bridge,
During use, oil cylinder drivening rod move, railway supports bridge and railway guide bridge under the drive of connecting rod by car
Both sides turn to ground, during rotation, railway supports bridge and railway guide bridge are in the drive of connecting rod
Under rotate around the pin joint of connecting rod and vehicle frame, motion now is circular motion, during lifting mechanism work
Take up room relatively big, be unfavorable for arrangement.
Therefore, the space taken when how to reduce lifting device work, consequently facilitating arrangement, become
The technical problem that those skilled in the art are urgently to be resolved hurrily.
Summary of the invention
In view of this, the invention provides a kind of combined tractor, during to reduce lifting device work
The space taken, consequently facilitating arrangement.
For achieving the above object, the present invention provides following technical scheme:
A kind of combined tractor, including railway supports bridge and railway guide bridge, described railway supports bridge
Including support bridge lifting device and the support wheel shaft that is connected with described support bridge lifting device, described support is taken turns
Axle includes that left support wheel shaft and right support wheel shaft, described support bridge lifting device include:
First oil cylinder, the cylinder body of described first oil cylinder is articulated and connected with vehicle frame；
The front upper junction plate being articulated and connected with described vehicle frame, the middle part of described front upper junction plate and described first
The piston rod of oil cylinder is articulated and connected；
The front lower connecting plate being articulated and connected with described front upper junction plate, described front lower connecting plate with described before on
The plane of connecting plate and described first oil cylinder composition is arranged vertically；
The the first slide block assembly being articulated and connected with described front lower connecting plate, described first slide block assembly include with
Front horizontal plate that described front lower connecting plate is articulated and connected and vertically arranged with described front horizontal plate before vertically
Plate；
Front axle mounting seat, described front axle mounting seat includes the left side can being connected with described left support wheel shaft
Support wheel shaft mounting seat and the right support wheel shaft mounting seat can being connected, a described left side with described right support wheel shaft
Support wheel shaft mounting seat and described right support wheel shaft mounting seat is all connected with described front horizontal plate；
Fromer rail, described fromer rail is slidably matched with described front vertical plate, and described fromer rail and described car
Frame is fixing to be connected；
Described railway guide bridge include guide bridge lifting device and with leading that described guide bridge lifting device is connected
To wheel shaft, the number of described guide bridge lifting device is two, and described guide bridge lifting device is arranged on institute
Stating the two ends of guide wheel shaft, described guide bridge lifting device includes:
Second oil cylinder, the cylinder body of described second oil cylinder is articulated and connected with described vehicle frame；
The rear upper junction plate being articulated and connected with described vehicle frame, the middle part of described rear upper connecting rod and described second
The piston rod of oil cylinder is articulated and connected；
The rear lower connecting plate being articulated and connected with the lower end of described rear upper junction plate, described rear lower connecting plate and institute
State rear upper junction plate vertical with the plane of described second oil cylinder composition；
The the second slide block assembly being articulated and connected with described rear lower connecting plate, described second slide block assembly includes
One vertical plate and being arranged vertically with the first vertical plate and fixing the second vertical plate being connected, described first vertical
Plate is fixing with the support seat on described guide wheel shaft to be connected；
The rear rail being connected and being slidably matched with described second vertical plate is fixed with described vehicle frame.
Preferably, in above-mentioned combined tractor, the number of described first slide block assembly is two；
The number of described fromer rail is two；Described left support wheel shaft mounting seat and described right support wheel shaft mounting seat
Corresponding with the position of described first slide block assembly, described left support wheel shaft mounting seat and described right support wheel shaft
The side that mounting seat is adjacent is connected by jointed shaft, and described jointed shaft is provided with limited block, described spacing
The two ends of block can offset with described horizontal plate.
Preferably, in above-mentioned combined tractor, described fromer rail include two be arranged in parallel straight
Plate；It is provided with fixed plate on described front vertical plate, described fixed plate offers and coordinates with described straight plate
Chute.
Preferably, in above-mentioned combined tractor, described second slide block assembly is provided with level peace
Dress plate, on described horizontal mounting plate, setting is offered porose, is provided with and described horizontal mounting plate in described hole
The fixing sleeve connected, is provided with damping spring in described sleeve, described damping spring one end is led with described
Offseting to the support seat of wheel shaft, the other end offsets with the spring block on described sleeve top.
Preferably, in above-mentioned combined tractor, the top of described sleeve is provided with and described spring
Block offsets and along the axially arranged regulation bolt for adjusting described spring stop position of described sleeve,
Two described damping springs, the number of described damping spring and described set it is provided with on described horizontal mounting plate
The number of cylinder is equal.
Preferably, in above-mentioned combined tractor, the number of described first vertical plate is two, and
Described first vertical plate is arranged in parallel；
Also include: the rear connecting plate being arranged between described first vertical plate and vertically arranging, described after connect
Fishplate bar is fitted with described guide wheel shaft, described rear connecting plate is provided with pin shaft hole, on described guide wheel shaft
Being provided with U-shaped hole that is that coordinate and that be arranged in a vertical direction with described pin shaft hole, described pin shaft hole is with described
It is inserted with bearing pin in U-shaped hole.
Preferably, in above-mentioned combined tractor, also include:
Front mounting plate, described front mounting plate and described vehicle frame are fixing to be connected, the cylinder body of described first oil cylinder and
Described front mounting plate is articulated and connected, and the upper end of described front upper junction plate is articulated and connected with described front mounting plate；
Rear installing plate, described rear installing plate is fixing with described vehicle frame to be connected, and the cylinder body of described second oil cylinder
Being articulated and connected with described rear installing plate, the upper end of described rear upper junction plate is articulated and connected with described rear installing plate.
Preferably, in above-mentioned combined tractor, the highway being positioned at described combined tractor turns
Above bridge, the height of described vehicle frame is relatively positioned at the height height of the described vehicle frame above described railway supports bridge；
It is arranged on described vehicle frame and is positioned at the seat at described railway supports bridge rear, the number of described seat
Being two, the both sides being arranged in described vehicle frame that two described seats are parallel, the backrest of described seat is can
Folding back；
Steering wheel, described steering wheel is positioned in the middle of two described seats, and the height of described steering wheel is relatively described
The highest 20mm of height on the top of vehicle frame；
Be arranged on the operating board on described vehicle frame, described operating board one end be positioned on described highway steeraxle
The described vehicle frame of side connects, and the other end is connected with the described vehicle frame being positioned at above described railway supports bridge.
Preferably, in above-mentioned combined tractor, also include:
Tooth bar, described tooth bar is arranged in rack case, and the lower end of described rack case arranges porose, described tooth
Bar case is fixing with described vehicle frame to be connected, and described tooth bar is arranged in the middle of the cavity of rack case, described rack case
On be provided with the power-equipment for driving described tooth bar to move；
The rotating shaft that one end is engaged with described tooth bar by described hole, the other end of described rotating shaft and described highway
The wheel shaft of steeraxle is fixing to be connected.
Preferably, in above-mentioned combined tractor, described power-equipment is cylinder or oil cylinder, institute
State cylinder or described oil cylinder be arranged in described rack case, and the piston rod of described cylinder or oil cylinder with
Described rack case is fixing to be connected, and the cylinder body of described cylinder or described oil cylinder is fixing with described rack case to be connected；
Or, described power-equipment is oil supply system, and the two ends of described tooth bar are by sealing ring and described tooth
The cavity at bar case two ends seals and coordinates, and offers the oil-feed connected with described oil supply system on described cavity
Hole and oil outlet.
From technique scheme it can be seen that the combined tractor of present invention offer, prop up including railway
Support bridge and railway guide bridge, the support bridge lifting device of railway supports bridge includes: the first oil cylinder, front upper company
Fishplate bar, front lower connecting plate, the first slide block assembly, front axle mounting seat and fromer rail, guide bridge lifting dress
Put and include the second oil cylinder, rear upper junction plate, rear lower connecting plate, the second slide block assembly and rear rail, propping up
The work process of support bridge lifting device is: front upper junction plate, front lower connecting plate, the first oil cylinder and first are sliding
Block assembly composition slider-crank mechanism, before the flexible drive of the first oil cylinder, upper junction plate rotates, and then drives
Front lower connecting plate rotates, and front lower connecting plate drives the first slide block assembly to slide up and down along fromer rail, and first
Slide block assembly drives the left support wheel shaft and the upper and lower vertical lift of right support wheel shaft being attached thereto, and supports wheel shaft
Drive the railway wheel supported on wheel shaft to pack up when being raised above, support when wheel shaft moves downward and drive support
Railway wheel on wheel shaft contacts with rail；The work process of guide bridge lifting device is: rear upper junction plate,
Rear lower connecting plate, the second oil cylinder and the second slide block assembly composition slider-crank mechanism, stretching of the second oil cylinder
After drive, upper junction plate rotates, and after then driving, lower connecting plate rotates, and rear lower connecting plate drives the second slide block
Assembly slides up and down along rear rail, and the second slide block assembly drives the upper and lower vertical lift of guide wheel shaft, guides
Guide railway wheel when wheel shaft is raised above to pack up, band action-oriented railway wheel when guide wheel shaft moves downward
Contact with rail.The device that this programme provides is by utilizing the principle of slider-crank mechanism, it is achieved support wheel
Axle and the lifting of guide wheel shaft in the vertical direction, relative to supporting wheel shaft and guide wheel shaft in prior art
By the way of swinging and realizing lifting, reduce and support the sky taken in wheel shaft and guide wheel shaft lifting engineering
Between, facilitate arrangement.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to reality
Execute the required accompanying drawing used in example or description of the prior art to be briefly described, it should be apparent that below,
Accompanying drawing in description is only some embodiments of the present invention, for those of ordinary skill in the art,
On the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 shows for the structure of combined tractor when being fitted without seat that the embodiment of the present invention provides
It is intended to；
The structural representation of combined tractor when being provided with seat that Fig. 2 provides for the embodiment of the present invention
Figure；
The seat that Fig. 3 provides for the embodiment of the present invention fold after the structural representation of combined tractor；
The structural representation of the railway supports bridge that Fig. 4 provides for the embodiment of the present invention；
The structural representation of the railway guide bridge that Fig. 5 provides for the embodiment of the present invention；
The structural representation of the highway drive axle that Fig. 6 provides for the embodiment of the present invention；
The structural representation of the slider-crank mechanism that Fig. 7 provides for the embodiment of the present invention.
1, the first oil cylinder, 2, front upper junction plate, 3, front lower connecting plate, the 4, first slide block assembly, 5,
Fromer rail, 6, front axle mounting seat, 61, jointed shaft, 62, limited block, the 7, second oil cylinder, 8, after
Upper junction plate, 9, rear lower connecting plate, the 10, second slide block assembly, 101, horizontal mounting plate, 102, subtract
Shake spring, 103, sleeve, 1031, regulation bolt, 11, rear rail, 12, front mounting plate, 13, after
Installing plate, 14, vehicle frame, 141, operating board, 15, seat, 16, steering wheel, 17, tooth bar, 18,
Rack case, 19, rotating shaft.
Detailed description of the invention
The invention discloses a kind of combined tractor, the space taken during to reduce lifting device work,
Consequently facilitating arrangement.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present invention, and
It is not all, of embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art are not doing
Go out the every other embodiment obtained under creative work premise, broadly fall into the scope of protection of the invention.
Refer to combined when being fitted without seat that Fig. 1-Fig. 6, Fig. 1 provide for the embodiment of the present invention
The structural representation of tractor；Combined when being provided with seat that Fig. 2 provides for the embodiment of the present invention
The structural representation of tractor；The seat that Fig. 3 provides for the embodiment of the present invention fold after combined lead
Draw the structural representation of car；The structural representation of the railway supports bridge that Fig. 4 provides for the embodiment of the present invention；
The structural representation of the railway guide bridge that Fig. 5 provides for the embodiment of the present invention；Fig. 6 is the embodiment of the present invention
The structural representation of the highway drive axle provided；The slider-crank mechanism that Fig. 7 provides for the embodiment of the present invention
Structural representation.
A kind of tractor, including railway supports bridge and railway guide bridge, railway supports bridge includes that support bridge is lifted
Rise device and the support wheel shaft being connected with support bridge lifting device, support wheel shaft and include left support wheel shaft and the right side
Supporting wheel shaft, support bridge lifting device includes: the first oil cylinder 1, the cylinder body of the first oil cylinder 1 and vehicle frame 14
It is articulated and connected；The front upper junction plate 2 being articulated and connected with vehicle frame 14, the middle part and first of front upper junction plate 2
The piston rod of oil cylinder 1 is articulated and connected；The front lower connecting plate 3 being articulated and connected with front upper junction plate 2, front lower company
The plane that fishplate bar 3 forms with front upper junction plate 2 and the first oil cylinder 1 is arranged vertically；With front lower connecting plate 3
The the first slide block assembly 4 being articulated and connected, the first slide block assembly 4 includes being articulated and connected with front lower connecting plate 3
Front horizontal plate and front vertical plate vertically arranged with front horizontal plate；Front axle mounting seat 6, front axle mounting seat
6 include the left support wheel shaft mounting seat can being connected with left support wheel shaft and can be connected with right support wheel shaft
Right support wheel shaft mounting seat, left support wheel shaft mounting seat and right support wheel shaft mounting seat all with front horizontal plate
Connect；Fromer rail 5, fromer rail 5 is slidably matched with front vertical plate, and fromer rail 5 is fixed with vehicle frame 14
Connect；Railway guide bridge includes guide bridge lifting device and the guide wheel shaft being connected with guide bridge lifting device,
The number of guide bridge lifting device is two, and guide bridge lifting device is arranged on the two ends of guide wheel shaft, leads
Including to bridge lifting device: the second oil cylinder 7, the cylinder body of the second oil cylinder 7 is articulated and connected with vehicle frame 14；With
The piston of the rear upper junction plate 8 that vehicle frame 14 is articulated and connected, the middle part of rear upper connecting rod 8 and the second oil cylinder 7
Bar is articulated and connected；The rear lower connecting plate 9 being articulated and connected with the lower end of rear upper junction plate 8, rear lower connecting plate 9
Vertical with the plane that rear upper junction plate 8 and the second oil cylinder 7 form；It is articulated and connected with rear lower connecting plate 9
Second slide block assembly 10, the second slide block assembly 10 includes the first vertical plate and is arranged vertically with the first vertical plate
And fix the second vertical plate connected, the first vertical plate is fixing with the support seat on guide wheel shaft to be connected；With
The fixing rear rail 11 connecting and being slidably matched with the second vertical plate of vehicle frame 14.
The railway supports bridge that this programme provides is by front upper junction plate 2, front lower connecting plate the 3, first oil cylinder 1
Form slider-crank mechanism with the first slide block assembly 4, railway guide support bridge by rear upper connecting rod 8, after
Lower connecting rod the 9, second oil cylinder 7 and the second slide block assembly 10 form slider-crank mechanism.In above-mentioned two
In slider-crank mechanism, the flexible shorter stroke of the piston rod of oil cylinder, it is possible to make railway supports bridge or ferrum
Road guide bridge rises or declines bigger distance；The device that this programme provides, the first slide block assembly 4 edge
Fromer rail 5 to slide up and down, the second slide block assembly 10 slides up and down along rear rail 11, it is achieved that ferrum
Road support bridge and railway guide bridge are in the lifting of vertical direction, at railway supports bridge and the liter of railway guide bridge
Not along the swing of vehicle frame 14 lateral direction during fall, thus decrease wheel shaft lifting device lifting process
In the space that takies, facilitate arrangement.
The uphill process of railway supports bridge is: the piston rod retraction of the first oil cylinder 1, pulls front upper junction plate 2
Rotate around with the pin joint of vehicle frame 14 towards inner side, front upper junction plate 2 drive front lower connecting plate 3 around
Rotate towards inner side with the pin joint of the first slide block assembly 4, front upper junction plate 2 during rotating at this
And the angle between vehicle frame 14 gradually becomes less than 90 °, and front lower connecting plate 3 drives the first slide block assembly 4
Along fromer rail 5 upward sliding, after the piston rod of the first oil cylinder 1 retracts to a certain degree, rail-road two
Contacting with ground with the highway tire of tractor, continue the piston rod of retraction the first oil cylinder 1, railway props up
Railway wheel on support bridge leaves one end, ground height, and road vehicle wheel contacts with ground.
The decline process of railway supports bridge is: the piston rod of the first oil cylinder 1 is protruding, before promotion on connect
Fishplate bar 2 rotates around the pin joint of front upper connecting rod 2 with vehicle frame 14 towards outside, front upper junction plate 2
Before lower end drives, lower connecting plate 3 rotates towards outside, at this around the pin joint with the first slide block assembly 4
Before in rotation process, the angle between upper junction plate 2 and vehicle frame 14 gradually tends to 90 °, now front upper connection
Bar 2 drives front lower connecting plate 3 and the first slide block assembly 4 along guide rail 2 slide downward, railway supports bridge
Drive the contact of railway wheel rail, it is achieved railway wheel is corresponding with rail, and then the first oil cylinder 1 continues to push away
Dynamic, vehicle frame 14 is propped up, makes combined tractor traveling on railway.
The uphill process of railway guide bridge: after railway supports bridge leaves ground, the piston of the second oil cylinder 7
Bar bounces back, and pulls rear upper junction plate 8 to rotate around the pin joint with vehicle frame 14 towards inner side, rear upper connection
After plate 8 drives, lower connecting plate 9 rotates towards inner side, at this around the pin joint with the second slide block assembly 10
After during rotation, angle between upper junction plate 8 and vehicle frame 14 gradually becomes less than 90 °, rear under connect
Fishplate bar 9 drive the second slide block assembly 10 along rear rail 11 upward sliding, when the piston of the second oil cylinder 7
After bar retracts to a certain degree, the highway of combined tractor wheel contacts with ground, continuation retraction the
The piston rod of two oil cylinders 7, the railway wheel in railway guide bridge leaves one end, ground height, road vehicle
Wheel contacts with ground.
The decline process of railway guide bridge is: the piston rod of the second oil cylinder 7 is protruding, after promotion on connect
Fishplate bar 8 rotates around the pin joint of rear upper connecting rod 8 with vehicle frame 14 towards outside, rear upper junction plate 8
After lower end drives, lower connecting plate 9 rotates towards outside, at this around the pin joint with the second slide block assembly 10
After in rotation process, the angle between upper junction plate 8 and vehicle frame 14 gradually tends to 90 °, upper connection
After bar 8 drive, lower connecting plate 9 and the second slide block assembly 10 are along rear rail 11 slide downward, and railway is led
Railway wheel is driven to contact with rail to bridge, now the railway wheel in railway supports bridge and railway guide bridge
All contact with railway, continue to operate combined tractor, make combined tractor row on railway
Sail.
Railway supports bridge and the decline of railway guide bridge that this programme provides use slider-crank mechanism, with ferrum
As a example by the support bridge of road, the front upper junction plate 2 of slider-crank mechanism and the pin joint of vehicle frame 14 are first hinged
Point, front upper junction plate 2 is the second pin joint with the pin joint of front lower connecting plate 3, front lower connecting plate 3 with
The pin joint of the first slide block assembly 4 is the 3rd pin joint, in the opening procedure of slider-crank mechanism, the
One pin joint, the second pin joint and the 3rd pin joint can gradually be positioned at same straight line, then the first oil cylinder 1
Continue to stretch out, then on the first pin joint, the second pin joint and the 3rd the most same straight line of pin joint,
As it is shown in fig. 7, now slider-crank mechanism is in full opening of state, the piston rod of the first oil cylinder 1
Reaching the stroke of maximum, during railway wheel supports car body, railway wheel is applied by guide rail
Power is delivered on the support bridge lifting device of railway supports bridge, and railway supports bridge can drive front lower connecting plate 3
Continuing towards right direction motion in Fig. 7, front lower connecting plate 3 drives and makes front upper connecting rod 2 continue outwards
Pulling piston rod, now piston rod stretches out completely in the first oil cylinder 1, reaches maximum stroke,
Even if therefore piston rod stress more also will not extend again, the piston rod of the first oil cylinder 1 is upper before having held to be connected
Plate 2 and front lower connecting plate 3, cause front upper junction plate 2 and front lower connecting plate 3 to move right, even if
Ground gives wheel shaft external force upwards, but piston rod will not be rejected, and also will not continue to be elongated, front
The connecting rod interlocking structure principle of upper junction plate 2, front lower connecting plate 3 and the first oil cylinder 1 composition is just here, oil
Cylinder is by range is spacing rather than to withstand oil cylinder by hydraulic system pressure spacing, it is to avoid hydraulic system
Leakage problem, it is not necessary to hydraulic system continuous firing, so energy-conservation.It addition, at slider-crank mechanism
Opening procedure in, along with the stretching out of piston rod of the first oil cylinder 1, the decrease speed of wheel shaft is increasingly slower,
When the railway wheel connected with wheel shaft contacts with rail, it is possible to reduce the rail impact to car body, improve
Staff drives the comfortableness of combined tractor.
In order to optimize technique scheme further, in a specific embodiment of the present invention, the first slide block
The number of assembly 4 is two, and the number of fromer rail 5 is two, it is possible to ensure the first slide block assembly 4 with
The stability of motion between fromer rail 5；Left support wheel shaft mounting seat and right support wheel shaft mounting seat and first
The side that the position correspondence of slide block assembly 4, left support wheel shaft mounting seat and right support wheel shaft mounting seat are adjacent
Being connected by jointed shaft 61, jointed shaft 61 is provided with limited block 62, the two ends of limited block 62 can be with
Horizontal plate offsets, and during using, has projection or pit if run on rail, travels right
Answer the railway wheel on rail can be installed by corresponding left support wheel shaft mounting seat or right support wheel shaft
Seat rotates certain angle around jointed shaft 61, reduces the wheel vibrations of road rail vehicle, it addition, spacing
Block 62 is it can be avoided that the rotation of wheel shaft generation wide-angle, it is to avoid cause owing to wheel shaft self pendulum angle is excessive
Railway wheel derailing.
In order to optimize technique scheme further, in a specific embodiment of the present invention, fromer rail 5
Including two straight plates being arranged in parallel；Be provided with fixed plate on front vertical plate, fixed plate offers with directly
The chute that plate coordinates, fromer rail 5 slides up and down along the chute in fixed plate.
In prior art, railway guide bridge is held out against by the second oil cylinder 10, and during being given a shock, railway is led
After bridge vibrations are takeoff, easily causing the derailing of railway wheel, in order to overcome the problems referred to above, the second slide block is total
Becoming and be provided with horizontal mounting plate 101 on 10, on horizontal mounting plate 101, setting is offered porose, arranges in hole
There is the sleeve 103 that be connected fixing with horizontal mounting plate 101, in sleeve 103, be provided with damping spring 102,
Damping spring 102 one end offsets with the support seat of guide wheel shaft, the other end and the spring on sleeve 103 top
Block offsets, and damping spring 102 can move up and down along the axis direction of sleeve 103, sleeve 103
Motion to damping spring 102 serves guide effect.When there are vibrations in railway guide bridge, damping bullet
Spring 102 can play certain cushioning effect, and can reduce the vibrations of railway guide bridge to a certain extent
Amplitude；Spring block is prevented from damping spring 102 and ejects in sleeve 103.
In order to optimize technique scheme further, in a specific embodiment of the present invention, sleeve 103
Top be provided with and offset with spring block and axially arranged for adjusting spring block position along sleeve 103
The regulation bolt 1031 put.Sleeve 103 outside damping spring 102 does transparent processing, within showing it
Portion's structure, the two ends in damping spring 102 elastic force direction respectively with support seat and the sleeve of railway supports wheel shaft
Spring block in 103 offsets, by arranging regulation bolt 1031 at the top of sleeve 103, by adjusting
Joint bolt 1031 regulates the spring block axial slip along sleeve 103, thus adjusts damping spring 102 and exist
The decrement supported between seat and the second slide block assembly 10 of railway supports wheel shaft, to adjust damping spring 102
Pretightning force, and then the cushioning ability of rail-road railway bridge structure can be adjusted.Damping spring 102 is
Two groups, horizontal mounting plate 101 is provided with two damping springs 102, the number of damping spring 102 and set
The number of cylinder 103 is equal, and damping spring 102 is arranged, to provide right before and after combined tractor
The stable support of railway supports wheel shaft.
In order to optimize technique scheme further, in a specific embodiment of the present invention, first is vertical
The number of plate is two, and the first vertical plate is arranged in parallel, it is possible to play good to rear lower connecting plate 9
Supporting role；
Also include: the rear connecting plate being arranged between the first vertical plate and vertically arranging, rear connecting plate with lead
Fit to wheel shaft, rear connecting plate is provided with pin shaft hole, guide wheel shaft is provided with and coordinates with pin shaft hole
And the U-shaped hole being arranged in a vertical direction, it is inserted with bearing pin, rear connecting plate one side in pin shaft hole and U-shaped hole
Railway supports bridge can be played a protective role by face, it addition, U-shaped hole is empty for railway supports bridge offer activity
Between.
In order to reduce in installation process the injury to vehicle frame 14, also include:
Front mounting plate 12, front mounting plate 12 is fixing with vehicle frame 14 to be connected, and the cylinder body of the first oil cylinder 1 is with front
Installing plate 7 is articulated and connected, and the upper end of front upper junction plate 2 is articulated and connected with front mounting plate 12；
Rear installing plate 13, rear installing plate 13 and vehicle frame 14 is fixing to be connected, and the cylinder body of the second oil cylinder 7 and
Rear installing plate 13 is articulated and connected, and the upper end of rear upper junction plate 8 is articulated and connected with rear installing plate 13.
Front mounting plate 12 and rear installing plate 13 can be by being welded to connect with vehicle frame 14, it is also possible to pass through spiral shell
Tether and connect, front mounting plate 12 and rear installing plate 13 arrange otic placode, the first oil cylinder 1 and front mounting plate
The front ear plate of 12 is articulated and connected, and the second oil cylinder 7 is articulated and connected with the front ear plate of rear installing plate 13, front upper company
The upper end of extension bar 2 is articulated and connected with the rear otic placode of front mounting plate 12, the upper end of rear upper junction plate 8 and rear peace
Rear otic placode on dress plate 13 is articulated and connected.
In order to optimize technique scheme further, in a specific embodiment of the present invention, it is positioned at rail-road
Above the highway steeraxle of double duty tractor, the height of vehicle frame 14 is relatively positioned at the vehicle frame 14 above railway supports bridge
Height high, it is step-like that vehicle frame 14 is positioned at the part above highway steeraxle and railway supports bridge；
Being arranged on vehicle frame 14 and be positioned at the seat 15 at railway supports bridge rear, the number of seat 15 is two
Individual, that two seats 15 the are parallel both sides being arranged in vehicle frame 14, the backrest of seat 15 is foldable back,
Extend to above tractor in and goods front end longer by the goods in tunnel or tunnel or loading, gear
When having lived pilot's line of vision or steering position, being folded by the chair back of seat 15, the folding of the chair back is permissible
Direction towards the seat support of seat folds, it is also possible to fold towards the direction deviating from seat support, after the chair back folds,
Concordant with the top of vehicle frame 14 or the chair back the height of the chair back of seat 15 is less than the height on vehicle frame 14 top,
Thus effectively reducing the whole height of car, goods can pass through lane under the driving of combined tractor
Road or tunnel and carry out the unloading of goods, also can realize exceeding length the delivery of the goods of trailer, excellent
Choosing, seat 15 selects the rumble seat that the chair back can be fixed, staff in middle optional position
Can according to self need the back tilting angle of seat 15 is adjusted；
Steering wheel 16, steering wheel 16 is positioned in the middle of two seats 15, the height of steering wheel 16 relatively vehicle frame
The highest 20mm of height on the top of 14, the position of steering wheel 16 is improved by this programme, reduces
The height of steering wheel 16, thus reduce further the whole height of car, Ke Yifang to a certain extent
Just goods length exceeding trailer is consigned, it is also possible to avoid the goods damage to steering wheel 16, excellent
Choosing, according to the driving habits of staff, steering wheel is generally located on the left side of vehicle, in this programme
The steering wheel of combined tractor be also disposed at the left side of vehicle frame 14, but steering wheel 16 is arranged on
The right-hand side of staff, can be by the right hand directly to steering wheel 16 in the driving procedure of staff
Operate, it is not necessary to it is rotated by both hands, reduce manually-operated work to a certain extent
Intensity；
The operating board 141 being arranged on vehicle frame 14, operating board 141 one end be positioned at above highway steeraxle
Vehicle frame 14 connect, the other end is connected with the vehicle frame 14 being positioned at above railway supports bridge, operating board 14
Having the position of step shape on vehicle frame 14, the part of scalariform of appearing on the stage vehicle frame 14 processes, and makes
It forms a smooth transition so that vehicle frame 14 anatomic shape is generous, operating board 141 and step-like portion
/ space can effectively accommodate other circuit devcies, facilitate the parts of circuit devcie so that car
Space in frame 14 is fully used so that arrange clean and tidy in vehicle frame 14.
Be provided with on operating board 14 railway bridge direction switch, driving model select switch, turning indicator control,
Der StandlichtScheinwerfer und Parkleuchtenschalter, forward-reverse switch and key switch, car pattern and remote control mode are two kinds of operator schemes,
And two kinds of operator scheme electrical interlockses, i.e. can only use car in the operating process of combined tractor
One in pattern or remote control mode, it is impossible to two kinds use simultaneously.When by tunnel or tunnel or
When the length of person's goods exceedes trailer's length, now need to use remote control mode, selected by driving model
Switch selects remote control mode, and remote-control handle is arranged on the underface of seat, and the underface of seat is near car body
Outer car is provided with the groove for taking up remote-control handle or casing, and staff stands in combined traction
Car is controlled by the outside of car；When needs are by driving manually, select to open by driving model
Closing and select car pattern, be operated manually, packed up by remote-control handle, convenient next time uses.
In order to optimize technique scheme further, in a specific embodiment of the present invention, also include:
Tooth bar 17, tooth bar 17 is arranged in rack case 18, and the lower end of rack case 18 arranges porose, tooth bar
Case 18 is fixing with vehicle frame 14 to be connected, and tooth bar 17 is arranged in the middle of the cavity of rack case 18, rack case 18
On be provided with the power-equipment for driving tooth bar 17 to move；
The rotating shaft 19 that one end is engaged with tooth bar 17 by hole, the other end of rotating shaft 19 and highway steeraxle
Wheel shaft is fixing to be connected.
The device that this programme provides drives the rotating shaft 19 being engaged with to rotate by tooth bar 17 transmission, and then
Rotating shaft 19 driven wheel axle assembly rotates, and now the rotational angle of railway steeraxle is the rotation of steering wheel 16
The rotational angle of angle+rotating shaft, it is achieved increase the purpose of combined tractor corner.
Tooth bar 17 is strip tooth bar, and rack case 18 is also strip rack case, the length of rack case 18
The relatively length of tooth bar 17 is long, and the movement for tooth bar 17 provides activity space, and power-equipment drives tooth bar
17 move in rack case 18, and the movement of this hour rack 17 is the length bearing of trend along rack case 18,
Tooth bar 17 linearly moves and the rotating shaft 19 being engaged with will be driven to rotate, and rotating shaft 19 rotates will
Driven wheel axle assembly rotates, it is achieved thereby that increase the purpose of axle aggregate steering angle in steering procedure, wheel
The steering angle of axle assembly increases, and the radius of turn of corresponding combined tractor diminishes so that rail-road two
Can turn around in the work place that operating mode is narrow and small with tractor or turn smoothly in narrower right angle channel
Curved.
In order to optimize technique scheme further, in a specific embodiment of the present invention, power-equipment
It is arranged in rack case for cylinder or oil cylinder, cylinder or oil cylinder, and cylinder or the piston rod of oil cylinder
Fixing with rack case 18 and be connected, the cylinder body of cylinder or oil cylinder is fixing with rack case 18 to be connected, by gas
Cylinder or oil cylinder drive piston rod flexible to realize the tooth bar 17 movement in rack case 18, cylinder or
Oil cylinder can be arranged on the side of rack case 18, it is also possible to is arranged on the both sides of rack case 18, concrete root
Determine according to service condition；
Or, power-equipment is oil supply system, and the two ends of tooth bar 17 are by sealing ring and rack case 18 liang
The cavity of end seals and coordinates, it is ensured that fluid only in the side of rack case 18 cavity, and offer on cavity with
The fuel feed hole of oil supply system connection and oil outlet, fluid is transported to gear-box by fuel feed hole by oil supply system
In the respective cavities of 18, by controlling the velocity of rotation of the Stress control rotating shaft 19 of the amount of fluid and fluid,
When needs are to direction rotating shaft 19, then delivering oil in the cavity of the gear-box 18 of offside, rises
Just the fluid in the cavity of delivering oil is back in oil supply system by oil outlet.
It should be noted that the power-equipment driving tooth bar motion is not limited to above-described embodiment, it is also possible to for
Other are capable of the device of this programme, are not specifically limited at this.
Combined tractor in this programme includes front haulage seat and rear haulage seat, rail-road two during work
Both goods can have been drawn with tractor, again can pushing tow goods.
Front haulage seat is fixed on the dead ahead of car load, and highway steeraxle, between car load front dead center, passes through spiral shell
Bolt is fixed on vehicle frame 14；Railway supports bridge is in the rear of highway steeraxle, and railway supports bridge one end leads to
Crossing bearing pin and the first oil cylinder 1 is hinged, the other end is hinged with front mounting plate 12 on vehicle frame 14 by bearing pin；
Operating board 141 is positioned at directly over before highway steeraxle and railway supports bridge, and it is left that seat 15 is in car load front
Right both sides, steering wheel 16 leans on the left of vehicle body and is positioned at the right of left-side seat above operating board 141, front
Guide rail 5 is fixed on steering wheel 16 front lower place, and the first slide block that four fromer rails 5 constitute railway supports bridge is total
Becoming the zone of action of 4, highway drive axle is in car load rear, highway drive axle one end and traction electric machine phase
Even, the other end is bolted on vehicle frame 14；Railway guide bridge is in highway drive axle rear, and one
Holding hinged by bearing pin and the second oil cylinder 7, by bearing pin, rear installing plate 13 cuts with scissors the other end with on vehicle frame 14
Connecing, rear rail 11 is fixed on car load afterbody, and two rear rails 11 constitute the second slide block of railway guide bridge
The zone of action of assembly 10 slide block, rear haulage vehicle seat is fixed on car load rearmost middle, at remote-control handle
Lower section in car load left-side seat.
When tractor state by road switches to railway operation state, the right hand holds steering wheel 16 will traction
Car leaves to railroad track, by the observation port on seat 15 side to the railway wheel on railway supports bridge with
Railroad track position is corresponding, and the railway supports bridge on push platform 141 declines button until railway supports
Bridge drops to extreme lower position, starts tractor straight rail road and outputs forward a small distance, and railway guide bridge is certainly
Dynamic to positive rail, on push platform 141, railway guide bridge declines button, until railway guide bridge declines
To extreme lower position, lane-change completes.
When combined tractor is switched to highway state by railroad conditions, ferrum on push platform 141
Road support bridge hoist button until front ferrum support bridge reclaim put in place, railway guide bridge on push platform 141
Hoist button until railway guide bridge reclaim put in place, lane-change completes.
When combined tractor needs by tunnel or carries out goods handing-over, by combined traction
Car switches to railway operation state, respectively by two seat 15 foldings to level, will drive on operating board 141
Mode selection switch is allocated to remote control mode, takes out remote-control handle and closely operates car load.When these public affairs
Driving model on operating board 141 need to be selected when remote control mode is replaced with car pattern by ferrum double duty tractor
Select switch and be allocated to car pattern, by seat 15 folding to the angle needed, right-hand operated steering wheel 16.
Remote control mode uses line traffic control remote controller, it is to avoid the electromagnetic interference that wireless remote control may bring.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses
The present invention.Multiple amendment to these embodiments will be aobvious and easy for those skilled in the art
See, generic principles defined herein can without departing from the spirit or scope of the present invention,
Realize in other embodiments.Therefore, the present invention is not intended to be limited to the embodiments shown herein,
And it is to fit to the widest scope consistent with principles disclosed herein and features of novelty.
Claims (10)
1. a combined tractor, including railway supports bridge and railway guide bridge, it is characterised in that
Described railway supports bridge include support bridge lifting device and be connected with described support bridge lifting device
Support wheel shaft, described support wheel shaft includes left support wheel shaft and right support wheel shaft, described support bridge lifting device
Including:
First oil cylinder (1), the cylinder body of described first oil cylinder (1) is articulated and connected with vehicle frame (14)；
The front upper junction plate (2) being articulated and connected with described vehicle frame (14), described front upper junction plate (2)
Middle part is articulated and connected with the piston rod of described first oil cylinder (1)；
The front lower connecting plate (3) being articulated and connected with described front upper junction plate (2), described front lower connecting plate (3)
The plane formed with described front upper junction plate (2) and described first oil cylinder (1) is arranged vertically；
The the first slide block assembly (4) being articulated and connected with described front lower connecting plate (3), described first slide block is total
Become (4) include the front horizontal plate that is articulated and connected with described front lower connecting plate (3) and with described front horizontal plate
Vertically arranged front vertical plate；
Front axle mounting seat (6), described front axle mounting seat (6) includes can be with described left support wheel shaft
The left support wheel shaft mounting seat connected and the right support wheel shaft can being connected with described right support wheel shaft are installed
Seat, described left support wheel shaft mounting seat and described right support wheel shaft mounting seat are all connected with described front horizontal plate；
Fromer rail (5), described fromer rail (5) is slidably matched with described front vertical plate, and described fromer rail
(5) fixing with described vehicle frame (14) it is connected；
Described railway guide bridge include guide bridge lifting device and with leading that described guide bridge lifting device is connected
To wheel shaft, the number of described guide bridge lifting device is two, and described guide bridge lifting device is arranged on institute
Stating the two ends of guide wheel shaft, described guide bridge lifting device includes:
Second oil cylinder (7), the cylinder body of described second oil cylinder (7) is articulated and connected with described vehicle frame (14)；
The rear upper junction plate (8) being articulated and connected with described vehicle frame (14), described rear upper junction plate (8)
Middle part is articulated and connected with the piston rod of described second oil cylinder (7)；
The rear lower connecting plate (9) being articulated and connected with the lower end of described rear upper junction plate (8), described after under connect
The plane that fishplate bar (9) forms with described rear upper junction plate (8) and described second oil cylinder (7) is vertical；
The the second slide block assembly (10) being articulated and connected with described rear lower connecting plate (9), described second slide block
Assembly (10) include the first vertical plate and be arranged vertically with the first vertical plate and fixing be connected second vertical
Plate, described first vertical plate is fixing with the support seat on described guide wheel shaft to be connected；
The rear rail (11) that be connected and with described second vertical plate be slidably matched fixing with described vehicle frame (14).
Combined tractor the most according to claim 1, it is characterised in that described first slide block
The number of assembly (4) is two；The number of described fromer rail (5) is two；Described left support wheel shaft
Mounting seat is corresponding with the position of described first slide block assembly (4) with described right support wheel shaft mounting seat, described
Left support wheel shaft mounting seat and the adjacent side of described right support wheel shaft mounting seat are by jointed shaft (61) even
Connecing, described jointed shaft (61) is provided with limited block (62), the two ends of described limited block (62) can
Offset with described horizontal plate.
Combined tractor the most according to claim 1, it is characterised in that described fromer rail (5)
Including two straight plates being arranged in parallel；It is provided with fixed plate on described front vertical plate, described fixed plate is opened
It is provided with the chute coordinated with described straight plate.
Combined tractor the most according to claim 1, it is characterised in that described second slide block
Being provided with horizontal mounting plate (101) on assembly (10), the upper setting of described horizontal mounting plate (101) is offered
Porose, it is provided with the sleeve (103) that be connected fixing with described horizontal mounting plate (101), institute in described hole
Being provided with damping spring (102) in stating sleeve (103), described damping spring (102) one end is with described
The support seat of guide wheel shaft offsets, and the other end offsets with the spring block on described sleeve (103) top.
Combined tractor the most according to claim 4, it is characterised in that described sleeve (103)
Top be provided with and offset with described spring block and axially arranged for adjusting along described sleeve (103)
The regulation bolt (1031) of described spring stop position, described horizontal mounting plate is provided with two on (101)
Individual described damping spring (102), the number of described damping spring (102) and described sleeve (103)
Number is equal.
Combined tractor the most according to claim 1, it is characterised in that described first vertical
The number of plate is two, and described first vertical plate is arranged in parallel；
Also include: the rear connecting plate being arranged between described first vertical plate and vertically arranging, described after connect
Fishplate bar is fitted with described guide wheel shaft, described rear connecting plate is provided with pin shaft hole, on described guide wheel shaft
Being provided with U-shaped hole that is that coordinate and that be arranged in a vertical direction with described pin shaft hole, described pin shaft hole is with described
It is inserted with bearing pin in U-shaped hole.
Combined tractor the most according to claim 1, it is characterised in that also include:
Front mounting plate (12), described front mounting plate (12) is fixing with described vehicle frame (14) to be connected, described
The cylinder body of the first oil cylinder (1) is articulated and connected with described front mounting plate (12), described front upper junction plate (2)
Upper end be articulated and connected with described front mounting plate (12)；
Rear installing plate (13), described rear installing plate (13) is fixing with described vehicle frame (14) to be connected, and institute
The cylinder body stating the second oil cylinder (7) is articulated and connected with described rear installing plate (13), described rear upper junction plate (8)
Upper end be articulated and connected with described rear installing plate (13).
Combined tractor the most according to claim 1, it is characterised in that be positioned at described rail-road
Above the highway steeraxle of double duty tractor, the height of described vehicle frame (14) is relatively positioned at described railway supports bridge
The height of the described vehicle frame (14) of top is high；
It is arranged on described vehicle frame (14) and is positioned at the seat (15) at described railway supports bridge rear, described
The number of seat (15) is two, and what two described seats (15) were parallel is arranged in described vehicle frame (14)
Both sides, the backrest of described seat (15) is foldable back；
Steering wheel (16), described steering wheel (16) is positioned in the middle of two described seats (15), described side
The highest 20mm of height to the top of the more described vehicle frame of the height (14) of dish (16)；
The operating board (141) being arranged on described vehicle frame (14), described operating board (141) one end and position
Described vehicle frame (14) above described highway steeraxle connects, the other end be positioned at described railway supports
Described vehicle frame (14) above bridge connects.
Combined tractor the most according to claim 8, it is characterised in that also include:
Tooth bar (17), described tooth bar (17) is arranged in rack case (18), described rack case (18)
Lower end arrange porose, described rack case (18) and described vehicle frame (14) are fixing to be connected, described tooth bar
(17) being arranged in the middle of the cavity of rack case (18), described rack case is provided with for driving on (18)
The power-equipment that dynamic described tooth bar (17) moves；
The rotating shaft (19) that one end is engaged with described tooth bar (17) by described hole, described rotating shaft (19)
The other end is fixing with the wheel shaft of described highway steeraxle to be connected.
Combined tractor the most according to claim 9, it is characterised in that described power sets
For being arranged in described rack case for cylinder or oil cylinder, described cylinder or described oil cylinder, and described gas
The piston rod of cylinder or oil cylinder is fixing with described rack case (18) to be connected, described cylinder or described oil cylinder
Cylinder body and described rack case (18) fixing be connected；
Or, described power-equipment is oil supply system, the two ends of described tooth bar (17) by sealing ring with
The cavity at described rack case (18) two ends seals and coordinates, and offers on described cavity and described fuel feeding system
The fuel feed hole of system connection and oil outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410717072.8A CN104442245B (en) | 2014-12-01 | 2014-12-01 | A kind of combined tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410717072.8A CN104442245B (en) | 2014-12-01 | 2014-12-01 | A kind of combined tractor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104442245A CN104442245A (en) | 2015-03-25 |
| CN104442245B true CN104442245B (en) | 2016-09-28 |
Family
ID=52889293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410717072.8A Active CN104442245B (en) | 2014-12-01 | 2014-12-01 | A kind of combined tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104442245B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105774443B (en) * | 2016-03-30 | 2018-09-21 | 中车四方车辆有限公司 | Chain-type bicycle frame device and rail-road car |
| CN106080810B (en) * | 2016-08-16 | 2018-07-31 | 常州市瑞泰工程机械有限公司 | The combined tractor of accumulator |
| CN106240659B (en) * | 2016-08-24 | 2018-10-23 | 衡阳合力工业车辆有限公司 | A kind of railroad hauling car |
| CN107499075B (en) * | 2017-09-11 | 2023-04-25 | 西华大学 | Novel highway and railway dual-purpose vehicle and road switching method thereof |
| CN108928195A (en) * | 2018-07-27 | 2018-12-04 | 中车四方车辆有限公司 | Rail-road tractor |
| CN110067162A (en) * | 2019-05-20 | 2019-07-30 | 山东东大动力科技有限公司 | Combined milling car body |
| CN111546882A (en) * | 2020-06-08 | 2020-08-18 | 山东岳华能源集团有限公司 | Road-rail dual-purpose six-wheel-drive traction locomotive and traction method |
| CN111546883A (en) * | 2020-06-08 | 2020-08-18 | 山东岳华能源集团有限公司 | Dual-purpose eight-drive traction locomotive for rail and road and traction method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10329516A (en) * | 1997-05-29 | 1998-12-15 | Aichi Corp | Turntable provided with car body moving device |
| CN2543791Y (en) * | 2002-01-30 | 2003-04-09 | 青岛英科铁道机械有限公司 | Railway/highway two-purpose tracting-vehicle |
| CN202022217U (en) * | 2011-04-18 | 2011-11-02 | 衡阳合力工业车辆有限公司 | Novel Constant pressure type rail wheel type guiding device of amphibious tractor for railroad and highway |
| CN103264625A (en) * | 2013-05-31 | 2013-08-28 | 中国人民解放军军事交通学院 | Towing vehicle capable of being used for both roads and rails |
| CN103264624A (en) * | 2013-05-23 | 2013-08-28 | 济南轨道交通装备有限责任公司 | Independent guide mechanism used for road-rail motor tractor |
| CN203485985U (en) * | 2013-10-22 | 2014-03-19 | 成都城轨国铁创新科技有限公司 | Road and railway dual-purpose tractor capable of running horizontally |
| CN204249762U (en) * | 2014-12-01 | 2015-04-08 | 衡阳合力工业车辆有限公司 | A kind of combined tractor truck |
-
2014
- 2014-12-01 CN CN201410717072.8A patent/CN104442245B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10329516A (en) * | 1997-05-29 | 1998-12-15 | Aichi Corp | Turntable provided with car body moving device |
| CN2543791Y (en) * | 2002-01-30 | 2003-04-09 | 青岛英科铁道机械有限公司 | Railway/highway two-purpose tracting-vehicle |
| CN202022217U (en) * | 2011-04-18 | 2011-11-02 | 衡阳合力工业车辆有限公司 | Novel Constant pressure type rail wheel type guiding device of amphibious tractor for railroad and highway |
| CN103264624A (en) * | 2013-05-23 | 2013-08-28 | 济南轨道交通装备有限责任公司 | Independent guide mechanism used for road-rail motor tractor |
| CN103264625A (en) * | 2013-05-31 | 2013-08-28 | 中国人民解放军军事交通学院 | Towing vehicle capable of being used for both roads and rails |
| CN203485985U (en) * | 2013-10-22 | 2014-03-19 | 成都城轨国铁创新科技有限公司 | Road and railway dual-purpose tractor capable of running horizontally |
| CN204249762U (en) * | 2014-12-01 | 2015-04-08 | 衡阳合力工业车辆有限公司 | A kind of combined tractor truck |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104442245A (en) | 2015-03-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104442245B (en) | A kind of combined tractor | |
| CN204249762U (en) | A kind of combined tractor truck | |
| CN103572788A (en) | Wheel hoeing machine | |
| CN204263913U (en) | A kind of automatic parallel moving type sunshade device for automobile | |
| US20210323365A1 (en) | Vertical hi-rail device | |
| CN206644716U (en) | Car transporter | |
| CN110155109A (en) | A kind of rack rails wheel driving device and bogie | |
| CN205344661U (en) | Dull and stereotyped obstacles removing car of rail mounted | |
| CN202897964U (en) | High-altitude operation platform and autorail | |
| CN104443082B (en) | A kind of tractor | |
| CN104325849B (en) | A kind of wheel shaft lifting device | |
| CN207774741U (en) | A kind of luffing device and aerial work platform with mobile counterweight | |
| CN203412008U (en) | Wheel type hoeing machine | |
| CN104442246B (en) | railway guide bridge structure | |
| CN105197087B (en) | Children trolley | |
| CN109132959A (en) | A kind of tray truck with lifting device | |
| CN204323512U (en) | A kind of tractor truck | |
| CN209687396U (en) | A kind of roof of train maintenance platform | |
| CN204249761U (en) | A kind of wheel shaft lifting device | |
| CN209177604U (en) | Kiln discharge conveying drive hoeing machine | |
| CN204249760U (en) | A kind of combined tractor truck | |
| CN201472495U (en) | Driving cab capable of being elevated | |
| CN205652737U (en) | Rotation liftable band conveyer | |
| CN210416118U (en) | Highway-railway dual-purpose aerial work platform | |
| CN220621922U (en) | Cantilever type airborne temporary support device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |