CN104442245A - Roadway and railway two-purpose tractor - Google Patents

Roadway and railway two-purpose tractor Download PDF

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Publication number
CN104442245A
CN104442245A CN201410717072.8A CN201410717072A CN104442245A CN 104442245 A CN104442245 A CN 104442245A CN 201410717072 A CN201410717072 A CN 201410717072A CN 104442245 A CN104442245 A CN 104442245A
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China
Prior art keywords
plate
wheel shaft
vehicle frame
oil cylinder
railway
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CN201410717072.8A
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Chinese (zh)
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CN104442245B (en
Inventor
肖求辉
李红斌
王勇
肖丹青
胡彩凤
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Hengyang Heli Industrial Vehicle Co Ltd
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Hengyang Heli Industrial Vehicle Co Ltd
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Priority to CN201410717072.8A priority Critical patent/CN104442245B/en
Publication of CN104442245A publication Critical patent/CN104442245A/en
Application granted granted Critical
Publication of CN104442245B publication Critical patent/CN104442245B/en
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Abstract

The invention discloses a roadway and railway two-purpose tractor which comprises a railway supporting bridge and a railway guide bridge. The work process of a lifting device of the supporting bridge is as follows: a first oil cylinder extends and retracts to drive a front upper connection board to rotate and then drives a front lower connection board to rotate, the front lower connection board drives first sliding block assemblies to slide up and down along front guide rails, and the first sliding block assemblies drive a left supporting wheel shaft and a right supporting wheel shaft which are connected with the first sliding block assemblies to ascend and descend up and down vertically. The work process of each lifting device of the guide bridge is as follows: a second oil cylinder extends and retracts to drive a rear upper connection board to rotate and then drives a rear lower connection board to rotate, the rear lower connection board drives a second sliding block assembly to slide up and down along rear guide rails, and the second sliding block assembly drives a guide wheel shaft to ascend and descend up and down vertically. The supporting wheel shafts and the guide wheel shaft can ascend and descend in the vertical direction according to the principle of a crank sliding block mechanism, space occupied by the supporting wheel shafts and the guide wheel shaft in a lifting project is reduced and the arrangement of the whole tractor is facilitated.

Description

A kind of combined tractor truck
Technical field
The present invention relates to tractor truck technical field, particularly the combined tractor truck of one.
Background technology
Combined tractor truck is that namely one may be used for highway traction goods, and can draw again the industrial vehicle of goods on railway, vehicle needs the switching carrying out mode of operation when road and rail traction working condition converts.
Combined tractor truck is provided with four groups of bridges altogether, is highway steeraxle, highway drive axle, railway supports bridge and railway guide bridge respectively, highway steeraxle and highway drive axle is provided with road vehicle wheel, railway supports bridge and railway guide bridge are provided with railway wheel.
On highway during towage, railway supports bridge and railway guide bridge are packed up, and railway wheel departs from the certain height in ground, the road vehicle wheel kiss the earth that highway steeraxle and drive axle are installed, and driving model is consistent with normal traction car; When needs are on railway during operation, railway supports bridge and railway guide bridge decline, be arranged on the railway wheel contact rail on railway supports bridge and support vehicle frame, make the road vehicle wheel on highway steeraxle depart from ground one segment distance, be arranged on railway wheel contact rail in railway guide bridge and keep certain positive pressure.
The railway supports bridge of existing combined tractor truck and the lifting supporting mechanism of railway guide bridge are oscillating type lifting mechanism, when not using, railway supports bridge and railway guide bridge are stowed in respectively the both sides of car, during use, oil cylinder drivening rod moves, railway supports bridge and railway guide bridge turn to ground by the both sides of car under the drive of connecting rod, in the process of rotating, railway supports bridge and railway guide bridge are rotated around the hinge-point of connecting rod and vehicle frame under the drive of connecting rod, motion is now circular motion, take up room during lifting mechanism work larger, be unfavorable for arrangement.
Therefore, the space taken when how to reduce lifting device work, thus be convenient to arrangement, become the technical matters 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 truck, the space taken during to reduce lifting device work, thus be convenient to arrangement.
For achieving the above object, the invention provides following technical scheme:
A kind of combined tractor truck, comprise railway supports bridge and railway guide bridge, the support wheel shaft that described railway supports bridge comprises supporting bridge lifting device and is connected with described supporting bridge lifting device, described support wheel shaft comprises left support wheel shaft and right support wheel shaft, and described supporting bridge lifting device comprises:
First oil cylinder, cylinder body and the vehicle frame of described first oil cylinder are articulated and connected;
Upper junction plate before being articulated and connected with described vehicle frame, the middle part of described front upper junction plate and the piston rod of described first oil cylinder are articulated and connected;
Lower connecting plate before being articulated and connected with described front upper junction plate, the plane orthogonal that described front lower connecting plate forms with described front upper junction plate and described first oil cylinder is arranged;
The the first slide block assembly be articulated and connected with described front lower connecting plate, described first slide block assembly comprise be articulated and connected with described front lower connecting plate before horizontal plate and front vertical plate vertically arranged with described front horizontal plate;
Front wheel spindle mount pad, described front wheel spindle mount pad comprises the left support wheel shaft mount pad that can be connected with described left support wheel shaft and the right support wheel shaft mount pad that can be connected with described right support wheel shaft, and described left support wheel shaft mount pad is all connected with described front horizontal plate with described right support wheel shaft mount pad;
Former rail, described former rail and described front vertical plate bearing fit, and described former rail is fixedly connected with described vehicle frame;
The guide wheel shaft that described railway guide bridge comprises guide bridge lifting device and is connected with described guide bridge lifting device, the number of described guide bridge lifting device is two, described guide bridge lifting device is arranged on the two ends of described guide wheel shaft, and described guide bridge lifting device comprises:
Second oil cylinder, cylinder body and the described vehicle frame of described second oil cylinder are articulated and connected;
The rear upper junction plate be articulated and connected with described vehicle frame, the middle part of described rear upper connecting rod and the piston rod of described second oil cylinder are articulated and connected;
The rear lower connecting plate be articulated and connected with the lower end of described rear upper junction plate, the plane orthogonal that described rear lower connecting plate forms with described rear upper junction plate and described second oil cylinder;
The the second slide block assembly be articulated and connected with described rear lower connecting plate, described second slide block assembly comprises the first vertical plate and is arranged vertically with the first vertical plate and the second vertical plate be fixedly connected with, and described first vertical plate is fixedly connected with the supporting seat on described guide wheel shaft;
Be fixedly connected with described vehicle frame and with the rear rail of described second vertical plate bearing fit.
Preferably, in above-mentioned combined tractor truck, the number of described first slide block assembly is two; The number of described former rail is two; Described left support wheel shaft mount pad and described right support wheel shaft mount pad corresponding with the position of described first slide block assembly, the side that described left support wheel shaft mount pad is adjacent with described right support wheel shaft mount pad is connected by jointed shaft, described jointed shaft is provided with limiting stopper, and the two ends of described limiting stopper can offset with described horizontal plate.
Preferably, in above-mentioned combined tractor truck, described former rail comprises two straight plates be arranged in parallel; Described front vertical plate is provided with adapter plate, described adapter plate offers the chute coordinated with described straight plate.
Preferably, in above-mentioned combined tractor truck, described second slide block assembly is provided with horizontal mounting plate, on described horizontal mounting plate, setting is offered porose, the sleeve be fixedly connected with described horizontal mounting plate is provided with in described hole, be provided with damping spring in described sleeve, the supporting seat of described damping spring one end and described guide wheel shaft offsets, and the spring block on the other end and described sleeve top offsets.
Preferably, in above-mentioned combined tractor truck, the top of described sleeve is provided with and offsets with described spring block and to arrange the adjusting bolt for adjusting described spring stop position along the axis of described sleeve, described horizontal mounting plate is provided with two described damping springs, the number of described damping spring is equal with the number of described sleeve.
Preferably, in above-mentioned combined tractor truck, the number of described first vertical plate is two, and described first vertical plate is arranged in parallel;
Also comprise: to be arranged between described first vertical plate and the rear connecting panel vertically arranged, described rear connecting panel and described guide wheel shaft are fitted, described rear connecting panel is provided with pin shaft hole, described guide wheel shaft is provided with the U-shaped hole also vertically arranged coordinated with described pin shaft hole, in described pin shaft hole and described U-shaped hole, is inserted with bearing pin.
Preferably, in above-mentioned combined tractor truck, also comprise:
Front mounting plate, described front mounting plate is fixedly connected with described vehicle frame, and cylinder body and the described front mounting plate of described first oil cylinder are articulated and connected, and upper end and the described front mounting plate of described front upper junction plate are articulated and connected;
Rear adapter plate, described rear adapter plate is fixedly connected with described vehicle frame, and the cylinder body of described second oil cylinder and described rear adapter plate are articulated and connected, and upper end and the described rear adapter plate of described rear upper junction plate are articulated and connected.
Preferably, in above-mentioned combined tractor truck, above the highway steeraxle being positioned at described combined tractor truck, to be comparatively positioned at the height of the described vehicle frame above described railway supports bridge high for the height of described vehicle frame;
Being arranged on described vehicle frame and being positioned at the seat at described railway supports bridge rear, the number of described seat is two, the both sides being arranged in described vehicle frame that two described seats are parallel, and the backrest of described seat is foldable back;
Bearing circle, described bearing circle is positioned in the middle of two described seats, the height high 20mm at the most on the top of the more described vehicle frame of height of described bearing circle;
Be arranged on the operator's station on described vehicle frame, described operator's station one end is connected with the described vehicle frame be positioned at above described highway steeraxle, and the other end is connected with the described vehicle frame be positioned at above described railway supports bridge.
Preferably, in above-mentioned combined tractor truck, also comprise:
Tooth bar, described tooth bar is arranged in rack case, and the lower end of described rack case arranges porose, and described rack case is fixedly connected with described vehicle frame, described tooth bar is arranged in the middle of the cavity of rack case, described rack case is provided with the power plant 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 is fixedly connected with the wheel shaft of described highway steeraxle.
Preferably, in above-mentioned combined tractor truck, described power plant is cylinder or oil cylinder, described cylinder or described oil cylinder are arranged in described rack case, and the piston rod of described cylinder or oil cylinder is fixedly connected with described rack case, the cylinder body of described cylinder or described oil cylinder is fixedly connected with described rack case;
Or described power plant is fuel-feed system, the two ends of described tooth bar are sealed and matched by the cavity at seal ring and described rack case two ends, and described cavity offer the fuel feed hole and oil outlet that are communicated with described fuel-feed system.
As can be seen from technique scheme, combined tractor truck provided by the invention, comprise railway supports bridge and railway guide bridge, the supporting bridge lifting device of railway supports bridge comprises: the first oil cylinder, front upper junction plate, front lower connecting plate, first slide block assembly, front wheel spindle mount pad and former rail, guide bridge lifting device comprises the second oil cylinder, rear upper junction plate, rear lower connecting plate, second slide block assembly and rear rail, at the working process of supporting bridge lifting device be: front upper junction plate, front lower connecting plate, first oil cylinder and the first slide block assembly composition slider-crank mechanism, the front upper connecting panel of flexible drive of the first oil cylinder rotates, then before driving, lower connecting plate rotates, front lower connecting plate drives the first slide block assembly to slide up and down along former rail, first slide block assembly drives the left support wheel shaft and the upper and lower vertical lift of right support wheel shaft that are attached thereto, the railway wheel supported on wheel shaft is driven to pack up when support wheel axially rises, the railway wheel supported on wheel shaft is driven to contact with rail when support wheel axle moves downward, the working 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, 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, second slide block assembly drives the upper and lower vertical lift of guide wheel shaft, the railway wheel that leads when guide wheel shaft upwards rises is packed up, and is with action-oriented railway wheel to contact with rail when guide wheel shaft moves downward.The device that this programme provides is by utilizing the principle of slider-crank mechanism, realize the lifting supporting wheel shaft and guide wheel shaft in the vertical direction, relative to supporting wheel shaft and guide wheel shaft in prior art by swinging the mode realizing lifting, reduce the space supporting and take in wheel shaft and guide wheel shaft lifting engineering, facilitate arrangement.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 for the embodiment of the present invention provide seat is not installed time the structural representation of combined tractor truck;
Fig. 2 for the embodiment of the present invention provide seat is installed time the structural representation of combined tractor truck;
Fig. 3 for seat that the embodiment of the present invention provides fold after the structural representation of combined tractor truck;
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, 4, the first slide block assembly, 5, former rail, 6, front wheel spindle mount pad, 61, jointed shaft, 62, limiting stopper, the 7, second oil cylinder, 8, rear upper junction plate, 9, rear lower connecting plate, the 10, second slide block assembly, 101, horizontal mounting plate, 102, damping spring, 103, sleeve, 1031, adjusting bolt, 11, rear rail, 12, front mounting plate, 13, rear adapter plate, 14, vehicle frame, 141, operator's station, 15, seat, 16, bearing circle, 17, tooth bar, 18, rack case, 19, rotating shaft.
Detailed description of the invention
The invention discloses a kind of combined tractor truck, the space taken during to reduce lifting device work, thus be convenient to arrangement.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1-Fig. 6, Fig. 1 for the embodiment of the present invention provide seat is not installed time the structural representation of combined tractor truck; Fig. 2 for the embodiment of the present invention provide seat is installed time the structural representation of combined tractor truck; Fig. 3 for seat that the embodiment of the present invention provides fold after the structural representation of combined tractor truck; 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.
A kind of tractor truck, comprise railway supports bridge and railway guide bridge, the support wheel shaft that railway supports bridge comprises supporting bridge lifting device and is connected with supporting bridge lifting device, support wheel shaft and comprise left support wheel shaft and right support wheel shaft, supporting bridge lifting device comprises: cylinder body and the vehicle frame 14 of the first oil cylinder 1, first oil cylinder 1 are articulated and connected; Upper junction plate 2 before being articulated and connected with vehicle frame 14, the middle part of front upper junction plate 2 and the piston rod of the first oil cylinder 1 are articulated and connected; Lower connecting plate 3 before being articulated and connected with front upper junction plate 2, front lower connecting plate 3 is arranged with the plane orthogonal that front upper junction plate 2 and the first oil cylinder 1 form; The first slide block assembly 4, the first slide block assembly 4 be articulated and connected with front lower connecting plate 3 comprise be articulated and connected with front lower connecting plate 3 before horizontal plate and front vertical plate vertically arranged with front horizontal plate; Front wheel spindle mount pad 6, front wheel spindle mount pad 6 comprises the left support wheel shaft mount pad that can be connected with left support wheel shaft and the right support wheel shaft mount pad that can be connected with right support wheel shaft, and left support wheel shaft mount pad is all connected with front horizontal plate with right support wheel shaft mount pad; Former rail 5, former rail 5 and front vertical plate bearing fit, and former rail 5 is fixedly connected with vehicle frame 14; The guide wheel shaft that railway guide bridge comprises guide bridge lifting device and is connected with guide bridge lifting device, the number of guide bridge lifting device is two, guide bridge lifting device is arranged on the two ends of guide wheel shaft, guide bridge lifting device comprises: cylinder body and the vehicle frame 14 of the second oil cylinder 7, second oil cylinder 7 are articulated and connected; The rear upper junction plate 8 be articulated and connected with vehicle frame 14, the middle part of rear upper connecting rod 8 and the piston rod of the second oil cylinder 7 are articulated and connected; The rear lower connecting plate 9 be articulated and connected with the lower end of rear upper junction plate 8, the plane orthogonal that rear lower connecting plate 9 forms with rear upper junction plate 8 and the second oil cylinder 7; The second slide block assembly 10, the second slide block assembly 10 be articulated and connected with rear lower connecting plate 9 comprises the first vertical plate and is arranged vertically with the first vertical plate and the second vertical plate be fixedly connected with, and the first vertical plate is fixedly connected with the supporting seat on guide wheel shaft; Be fixedly connected with vehicle frame 14 and with the rear rail 11 of the second vertical plate bearing fit.
The railway supports bridge that this programme provides forms slider-crank mechanism by front upper junction plate 2, front lower connecting plate 3, first oil cylinder 1 and the first slide block assembly 4, and railway guide support bridge forms slider-crank mechanism by rear upper connecting rod 8, rear lower connecting rod 9, second oil cylinder 7 and the second slide block assembly 10.In above-mentioned two slider-crank mechanisms, the piston rod of oil cylinder stretches shorter stroke, and railway supports bridge or railway guide bridge can be made to increase or decline larger distance; The device that this programme provides, first slide block assembly 4 slides up and down along former rail 5, second slide block assembly 10 slides up and down along rear rail 11, achieve the lifting at vertical direction of railway supports bridge and railway guide bridge, swing not along vehicle frame 14 lateral direction in the lifting process of railway supports bridge and railway guide bridge, thus decrease the space taken in wheel shaft lifting device lifting process, facilitate arrangement.
The uphill process of railway supports bridge is: the piston rod retraction of the first oil cylinder 1, front upper junction plate 2 is pulled to rotate towards inner side around the hinge-point with vehicle frame 14, front upper junction plate 2 drives front lower connecting plate 3 to rotate towards inner side around the hinge-point with the first slide block assembly 4, before in the process that this rotates, angle between upper junction plate 2 and vehicle frame 14 becomes gradually and is less than 90 °, front lower connecting plate 3 drives the first slide block assembly 4 along former rail 5 upward sliding, when the piston rod of the first oil cylinder 1 retracts to a certain degree, the highway tire of combined tractor truck and earth surface, continue the piston rod of retraction first oil cylinder 1, railway wheel on railway supports bridge leaves one end, ground height, road vehicle wheel and earth surface.
The decline process of railway supports bridge is: the piston rod of the first oil cylinder 1 is protruding, before promoting, upper junction plate 2 rotates towards outside with the hinge-point of vehicle frame 14 around front upper connecting rod 2, the lower end of front upper junction plate 2 drives front lower connecting plate 3 to rotate towards outside around the hinge-point with the first slide block assembly 4, angle before in this rotation process between upper junction plate 2 and vehicle frame 14 is tending towards 90 ° gradually, now front upper connecting rod 2 drives front lower connecting plate 3 and the first slide block assembly 4 along guide rail 2 slide downward, railway supports bridge drives the contact of railway wheel rail, realize the corresponding of railway wheel and rail, then the first oil cylinder 1 continues to promote, vehicle frame 14 is propped up, make the traveling of combined tractor truck on railway.
The uphill process of railway guide bridge: after railway supports bridge leaves ground, the piston rod retraction of the second oil cylinder 7, rear upper junction plate 8 is pulled to rotate towards inner side around the hinge-point with vehicle frame 14, rear upper junction plate 8 drives rear lower connecting plate 9 to rotate towards inner side around the hinge-point with the second slide block assembly 10, after in the process that this rotates, angle between upper junction plate 8 and vehicle frame 14 becomes gradually and is less than 90 °, rear lower connecting plate 9 drives the second slide block assembly 10 along rear rail 11 upward sliding, when the piston rod of the second oil cylinder 7 retracts to a certain degree, the highway wheel of combined tractor truck and earth surface, continue the piston rod of retraction second oil cylinder 7, railway wheel in railway guide bridge leaves one end, ground height, road vehicle wheel and earth surface.
The decline process of railway guide bridge is: the piston rod of the second oil cylinder 7 is protruding, after promoting, upper junction plate 8 rotates towards outside with the hinge-point of vehicle frame 14 around rear upper connecting rod 8, the lower end of rear upper junction plate 8 drives rear lower connecting plate 9 to rotate towards outside around the hinge-point with the second slide block assembly 10, angle after in this rotation process between upper junction plate 8 and vehicle frame 14 is tending towards 90 ° gradually, now, upper connecting rod 8 drives rear lower connecting plate 9 and the second slide block assembly 10 along rear rail 11 slide downward, railway guide bridge drives railway wheel to contact with rail, now railway supports bridge all contacts with railway with the railway wheel in railway guide bridge, continue the combined tractor truck of operation, make the traveling of combined tractor truck on railway.
The decline of the railway supports bridge that this programme provides and railway guide bridge adopts slider-crank mechanism, for railway supports bridge, the front upper junction plate 2 of slider-crank mechanism is the first hinge-point with the hinge-point of vehicle frame 14, front upper junction plate 2 is the second hinge-point with the hinge-point of front lower connecting plate 3, the hinge-point of front lower connecting plate 3 and the first slide block assembly 4 is the 3rd hinge-point, in the opening procedure of slider-crank mechanism, first hinge-point, second hinge-point and the 3rd hinge-point can be positioned at same straight line gradually, then the first oil cylinder 1 continues to stretch out, then the first hinge-point, second hinge-point and the 3rd hinge-point are again on no longer same straight line, as shown in Figure 7, now slider-crank mechanism is in the state opened completely, the piston rod of the first oil cylinder 1 reaches maximum stroke, support in the process of car body at railway wheel, guide rail is delivered on the supporting bridge lifting device of railway supports bridge to the power that railway wheel applies, railway supports bridge can drive front lower connecting plate 3 to continue right direction motion in Fig. 7, front lower connecting plate 3 drives and makes front upper connecting rod 2 continue to pull out piston rod, now piston rod is complete stretches out in the first oil cylinder 1, reach maximum stroke, also can not extend again even if therefore piston rod is stressed again, the piston rod of the first oil cylinder 1 has held front upper junction plate 2 and front lower connecting plate 3, front upper junction plate 2 and front lower connecting plate 3 is caused to move right, even if ground gives wheel external force axially, but piston rod can not be rejected, also can not continue to be elongated, front upper junction plate 2, the connecting rod interlocking structure principle of front lower connecting plate 3 and the first oil cylinder 1 composition is just at this, oil cylinder is spacing by range, instead of it is spacing to withstand oil cylinder by hydraulic system pressure, avoid the leakage problem of hydraulic efficiency pressure system, do not need hydraulic efficiency pressure system continuous firing, so energy-conservation.In addition, in the opening procedure of slider-crank mechanism, along with the stretching out of piston rod of the first oil cylinder 1, the descending speed of wheel shaft is more and more slower, when contacting with rail with the railway wheel that wheel shaft connects, the impact of rail to car body can be reduced, improve the traveling comfort that staff drives combined tractor truck.
In order to optimize technique scheme further, in a specific embodiment of the present invention, the number of the first slide block assembly 4 is two, and the number of former rail 5 is two, can ensure the stability of moving between the first slide block assembly 4 and former rail 5, left support wheel shaft mount pad and right support wheel shaft mount pad corresponding with the position of the first slide block assembly 4, the side that left support wheel shaft mount pad is adjacent with right support wheel shaft mount pad is connected by jointed shaft 61, jointed shaft 61 is provided with limiting stopper 62, the two ends of limiting stopper 62 can offset with horizontal plate, in the process used, if run on rail and have projection or pit, the railway wheel travelled on corresponding rail can rotate certain angle by corresponding left support wheel shaft mount pad or right support wheel shaft mount pad around jointed shaft 61, reduce the wheel vibrations of road rail vehicle, in addition, limiting stopper 62 can avoid the rotation of wheel shaft generation wide-angle, avoid the railway wheel derailing caused because wheel shaft self pendulum angle is excessive.
In order to optimize technique scheme further, in a specific embodiment of the present invention, former rail 5 comprises two straight plates be arranged in parallel; Front vertical plate is provided with adapter plate, and adapter plate offers the chute coordinated with straight plate, former rail 5 slides up and down along the chute on adapter plate.
In prior art, railway guide bridge is held out against by the second oil cylinder 10, be given a shock in process, after the vibrations of railway guide bridge are takeoff, easily cause the derailing of railway wheel, in order to overcome the problems referred to above, second slide block assembly 10 is provided with horizontal mounting plate 101, on horizontal mounting plate 101, setting is offered porose, the sleeve 103 be fixedly connected with horizontal mounting plate 101 is provided with in hole, damping spring 102 is provided with in sleeve 103, the supporting seat of damping spring 102 one end and guide wheel shaft offsets, the spring block on the other end and sleeve 103 top offsets, damping spring 102 can along the axis direction up-and-down movement of sleeve 103, the motion of sleeve 103 pairs of damping springs 102 serves directional tagging.When vibrations occur railway guide bridge, damping spring 102 can play certain buffer action, and can reduce the vibration amplitude of railway guide bridge to a certain extent; Spring block can prevent damping spring 102 from ejecting in sleeve 103.
In order to optimize technique scheme further, in a specific embodiment of the present invention, the top of sleeve 103 is provided with and offsets with spring block and to arrange the adjusting bolt 1031 for adjusting spring stop position along the axis of sleeve 103.Sleeve 103 outside damping spring 102 does transparent processing, to show its inner structure, the two ends in damping spring 102 elastic force direction offset with the spring block in the supporting seat of railway supports wheel shaft and sleeve 103 respectively, by arranging adjusting bolt 1031 at the top of sleeve 103, by the axial slip of adjusting bolt 1031 regulating spring block along sleeve 103, thus the amount of compression of adjustment damping spring 102 between the supporting seat and the second slide block assembly 10 of railway supports wheel shaft, to adjust the predetermincd tension of damping spring 102, and then can adjust the cushioning ability of public iron railway bridge structure.Damping spring 102 is two groups, horizontal mounting plate 101 is provided with two damping springs 102, the number of damping spring 102 is equal with the number of sleeve 103, and damping spring 102 is arranged along the front and back of combined tractor truck, to provide the stable support to railway supports wheel shaft.
In order to optimize technique scheme further, in a specific embodiment of the present invention, the number of the first vertical plate is two, and the first vertical plate is arranged in parallel, and can play good supporting role to rear lower connecting plate 9;
Also comprise: to be arranged between the first vertical plate and the rear connecting panel vertically arranged; rear connecting panel and guide wheel shaft are fitted; rear connecting panel is provided with pin shaft hole; guide wheel shaft is provided with the U-shaped hole also vertically arranged coordinated with pin shaft hole; bearing pin is inserted with in pin shaft hole and U-shaped hole; rear connecting panel can play a protective role to railway supports bridge on the one hand, and in addition, U-shaped hole provides activity space for railway supports bridge.
In order to reduce the injury to vehicle frame 14 in installation process, also comprise:
Front mounting plate 12, front mounting plate 12 is fixedly connected with vehicle frame 14, and cylinder body and the front mounting plate 7 of the first oil cylinder 1 are articulated and connected, and upper end and the front mounting plate 12 of front upper junction plate 2 are articulated and connected;
Rear adapter plate 13, rear adapter plate 13 is fixedly connected with vehicle frame 14, and the cylinder body of the second oil cylinder 7 and rear adapter plate 13 are articulated and connected, and upper end and the rear adapter plate 13 of rear upper junction plate 8 are articulated and connected.
Front mounting plate 12 and rear adapter plate 13 can by being welded to connect with vehicle frame 14, also can be bolted, front mounting plate 12 and rear adapter plate 13 arrange otic placode, first oil cylinder 1 is articulated and connected with the front ear plate of front mounting plate 12, second oil cylinder 7 is articulated and connected with the front ear plate of rear adapter plate 13, the upper end of front upper connecting rod 2 and the rear otic placode of front mounting plate 12 are articulated and connected, and the rear otic placode on the upper end of rear upper junction plate 8 and rear adapter plate 13 is articulated and connected.
In order to optimize technique scheme further, in a specific embodiment of the present invention, above the highway steeraxle being positioned at combined tractor truck, to be comparatively positioned at the height of the vehicle frame 14 above railway supports bridge high for the height of vehicle frame 14, and vehicle frame 14 part be positioned at above highway steeraxle and railway supports bridge is step-like;
To be arranged on vehicle frame 14 and to be positioned at the seat 15 at railway supports bridge rear, the number of seat 15 is two, the both sides being arranged in vehicle frame 14 that two seats 15 are parallel, the backrest of seat 15 is foldable back, by the goods in tunnel or tunnel or loading is longer and goods front end extends to above tractor truck, when having blocked pilot's line of vision or steering position, the chair back of seat 15 is folded, the folding of the chair back can fold towards the direction of the seat support of seat, also can fold towards the direction deviating from seat support, after the chair back is folding, the height of the chair back of the seat 15 or chair back concordant with the top of vehicle frame 14 is lower than the height on vehicle frame 14 top, thus effectively reduce the whole height of car, goods can by tunnel or tunnel and the unloading carrying out goods under the driving of combined tractor truck, also the delivery of goods length being exceeded to trailer can be realized, preferably, the folding seat that seat 15 selects the chair back can be fixed in middle optional position, staff can according to self need the back tilting angle of seat 15 is regulated,
Bearing circle 16, bearing circle 16 is positioned in the middle of two seats 15, the height of bearing circle 16 is compared with the height high 20mm at the most on the top of vehicle frame 14, the position of this programme to bearing circle 16 is improved, reduce the height of bearing circle 16, thus reduce further the whole height of car to a certain extent, can conveniently consign the goods that length exceedes trailer, also goods can be avoided the damage of bearing circle 16, preferably, according to the driving habit of staff, bearing circle is generally arranged on the left side of vehicle, the bearing circle of the combined tractor truck in this programme is also arranged on the left side of vehicle frame 14, but bearing circle 16 is arranged on the right-hand side of staff, directly can be operated bearing circle 16 by the right hand in the driving procedure of staff, both hands are not needed to rotate it, reduce manually-operated labour intensity to a certain extent,
Be arranged on the operator's station 141 on vehicle frame 14, operator's station 141 one end is connected with the vehicle frame 14 be positioned at above highway steeraxle, the other end is connected with the vehicle frame 14 be positioned at above railway supports bridge, operator's station 14 is positioned at position vehicle frame 14 with step shape, the appear on the stage part of scalariform of vehicle frame 14 is processed, it is made to form a level and smooth transition, make vehicle frame 14 anatomic shape generous, space between operator's station 141 and step-like portion can effectively hold other circuit devcies, facilitate the parts of circuit devcie, space in vehicle frame 14 is fully used, make to arrange neatly in vehicle frame 14.
Operator's station 14 is provided with railway bridge direction switch, driving model select switch, turn signal swich, Der StandlichtScheinwerfer und Parkleuchtenschalter, forward-reverse switch and key switch, car pattern and remote control mode are two kinds of operation modes, and two kinds of operation mode electrical interlockses, namely can only adopt the one in car pattern or remote control mode in the operating process of combined tractor truck, can not two kinds use simultaneously.When by when tunnel or tunnel or when the length of goods exceedes trailer's length, now need to use remote control mode, remote control mode is selected by driving model select switch, remote control handle is arranged on immediately below seat, immediately below seat, the outer car of car body is provided with groove for taking up remote control handle or casing, the outside that staff stands in combined tractor truck controls car; When needs are by driving manually, select car pattern, carry out M/C, packed up by remote control handle by driving model select switch, convenient next time uses.
In order to optimize technique scheme further, in a specific embodiment of the present invention, also comprise:
Tooth bar 17, tooth bar 17 is arranged in rack case 18, and the lower end of rack case 18 arranges porose, and rack case 18 is fixedly connected with vehicle frame 14, and tooth bar 17 is arranged in the middle of the cavity of rack case 18, rack case 18 is provided with the power plant for driving tooth bar 17 to move;
The rotating shaft 19 that one end passing hole engages with tooth bar 17, the other end of rotating shaft 19 is fixedly connected with the wheel shaft of highway steeraxle.
The device that this programme provides drives the rotating shaft 19 be engaged with to rotate by tooth bar 17 transmission, and then rotating shaft 19 driven wheel axle assembly rotates, now the rotational angle of railway steeraxle is the rotational angle of the rotational angle+rotating shaft of bearing circle 16, realizes the object increasing combined tractor truck corner.
Tooth bar 17 is strip tooth bar, rack case 18 is also strip shape rack case, the length of rack case 18 is long compared with the length of tooth bar 17, for the movement of tooth bar 17 provides activity space, power plant drives tooth bar 17 mobile in rack case 18, the movement of this hour rack 17 is the length bearing of trends along rack case 18, tooth bar 17 linearly movement will drive the rotating shaft 19 be engaged with to rotate, rotating shaft 19 is rotated and will be rotated by driven wheel axle assembly, thus achieve the object increasing axle aggregate deflection angle in steering procedure, the deflection angle of axle aggregate increases, the turn radius of corresponding combined tractor truck diminishes, make combined tractor truck can turn around in the work-yard that operating mode is narrow and small or to turn smoothly in narrower right angle channel.
In order to optimize technique scheme further, in a specific embodiment of the present invention, power plant is cylinder or oil cylinder, cylinder or oil cylinder are arranged in rack case, and the piston rod of cylinder or oil cylinder is fixedly connected with rack case 18, the cylinder body of cylinder or oil cylinder is fixedly connected with rack case 18, the flexible of piston rod is driven to realize the movement of tooth bar 17 in rack case 18 by cylinder or oil cylinder, cylinder or oil cylinder can be arranged on the side of rack case 18, also can be arranged on the both sides of rack case 18, specifically determine according to service condition;
Or, power plant is fuel-feed system, the two ends of tooth bar 17 are sealed and matched by the cavity at seal ring and rack case 18 two ends, ensure that fluid is only in the side of rack case 18 cavity, and cavity offers the fuel feed hole and oil outlet that are communicated with fuel-feed system, fluid is transported to by fuel feed hole in the respective cavities of gear case 18 by fuel-feed system, by controlling the velocity of rotation of the amount of fluid and the Stress control rotating shaft 19 of fluid, when needs are to direction rotating shaft 19, then to delivering oil in the cavity of the gear case 18 of offside, fluid in the cavity of originally delivering oil is back in fuel-feed system by oil outlet.
It should be noted that and drive the power plant of tooth bar motion to be not limited to above-described embodiment, the device that also can realize this programme for other, is not specifically limited at this.
Combined tractor truck in this programme includes front haulage seat and rear haulage seat, and during work, combined tractor truck both can draw goods, 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, is bolted on vehicle frame 14; Railway supports bridge is in the rear of highway steeraxle, railway supports bridge one end by bearing pin and the first oil cylinder 1 hinged, the other end is hinged by front mounting plate 12 on bearing pin and vehicle frame 14; Operator's station 141 is positioned at directly over before highway steeraxle and railway supports bridge, seat 15 is in the left and right sides, car load front, bearing circle 16 above operator's station 141 by being positioned at the right of left-side seat on the left of vehicle body, former rail 5 is fixed on bearing circle 16 front lower place, four former rails 5 form the zone of action of the first slide block assembly 4 of railway supports bridge, highway drive axle is in car load rear, and highway drive axle one end is connected with traction electric machine, and the other end is bolted on vehicle frame 14; Railway guide bridge is in highway drive axle rear, one end by bearing pin and the second oil cylinder 7 hinged, the other end is hinged by adapter plate 13 rear on bearing pin and vehicle frame 14, rear rail 11 is fixed on car load afterbody, two rear rails 11 form the zone of action of the second slide block assembly 10 slide block of railway guide bridge, rear haulage vehicle seat is fixed on car load rearmost middle, and remote control handle is in the below of car load left-side seat.
When state switches to railway operation state to tractor truck by road, the right hand is held bearing circle 16 and is opened by tractor truck on railroad track, corresponding with railroad track position to the railway wheel on railway supports bridge by the inspection door on seat 15 side, railway supports bridge decline button on push platform 141 is until railway supports bridge drops to extreme lower position, start tractor truck straight rail road and output forward a bit of distance, railway guide bridge automatic alignment track, railway guide bridge decline button on push platform 141, until railway guide bridge drops to extreme lower position, change.
When combined tractor truck switches to highway state by railroad conditions, on push platform 141, railway supports bridge hoists button until the recovery of front iron supporting bridge puts in place, on push platform 141, railway guide bridge hoists button until the recovery of railway guide bridge puts in place, has changed.
When combined tractor truck needs by tunnel or carries out goods handing-over, combined tractor truck is switched to railway operation state, respectively by two seat 15 foldings to level, driving model select switch on operator's station 141 is allocated to remote control mode, takes out remote control handle and car load is closely operated.When this combined tractor truck need be replaced with car pattern from remote control mode, driving model select switch on operator's station 141 is allocated to car pattern, by seat 15 folding to the angle needed, right-hand operated bearing circle 16.Remote control mode adopts line traffic control remote controller, avoids the electromagnetic interference that wireless remote control may bring.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.

Claims (10)

1. a combined tractor truck, comprises railway supports bridge and railway guide bridge, it is characterized in that,
The support wheel shaft that described railway supports bridge comprises supporting bridge lifting device and is connected with described supporting bridge lifting device, described support wheel shaft comprises left support wheel shaft and right support wheel shaft, and described supporting bridge lifting device comprises:
First oil cylinder (1), cylinder body and the vehicle frame (14) of described first oil cylinder (1) are articulated and connected;
The front upper junction plate (2) be articulated and connected with described vehicle frame (14), the middle part of described front upper junction plate (2) and the piston rod of described first oil cylinder (1) are articulated and connected;
The front lower connecting plate (3) be articulated and connected with described front upper junction plate (2), the plane orthogonal that described front lower connecting plate (3) forms with described front upper junction plate (2) and described first oil cylinder (1) is arranged;
The the first slide block assembly (4) be articulated and connected with described front lower connecting plate (3), described first slide block assembly (4) comprises the front horizontal plate and front vertical plate vertically arranged with described front horizontal plate that are articulated and connected with described front lower connecting plate (3);
Front wheel spindle mount pad (6), described front wheel spindle mount pad (6) comprises the left support wheel shaft mount pad that can be connected with described left support wheel shaft and the right support wheel shaft mount pad that can be connected with described right support wheel shaft, and described left support wheel shaft mount pad is all connected with described front horizontal plate with described right support wheel shaft mount pad;
Former rail (5), described former rail (5) and described front vertical plate bearing fit, and described former rail (5) is fixedly connected with described vehicle frame (14);
The guide wheel shaft that described railway guide bridge comprises guide bridge lifting device and is connected with described guide bridge lifting device, the number of described guide bridge lifting device is two, described guide bridge lifting device is arranged on the two ends of described guide wheel shaft, and described guide bridge lifting device comprises:
Second oil cylinder (7), cylinder body and the described vehicle frame (14) of described second oil cylinder (7) are articulated and connected;
The rear upper junction plate (8) be articulated and connected with described vehicle frame (14), the middle part of described rear upper connecting rod (8) and the piston rod of described second oil cylinder (7) are articulated and connected;
The rear lower connecting plate (9) be articulated and connected with the lower end of described rear upper junction plate (8), the plane orthogonal that described rear lower connecting plate (9) forms with described rear upper junction plate (8) and described second oil cylinder (7);
The the second slide block assembly (10) be articulated and connected with described rear lower connecting plate (9), described second slide block assembly (10) comprises the first vertical plate and is arranged vertically with the first vertical plate and the second vertical plate be fixedly connected with, and described first vertical plate is fixedly connected with the supporting seat on described guide wheel shaft;
Be fixedly connected with described vehicle frame (14) and with the rear rail (11) of described second vertical plate bearing fit.
2. combined tractor truck according to claim 1, is characterized in that, the number of described first slide block assembly (4) is two; The number of described former rail (5) is two; Described left support wheel shaft mount pad and described right support wheel shaft mount pad corresponding with the position of described first slide block assembly (4), the side that described left support wheel shaft mount pad is adjacent with described right support wheel shaft mount pad is connected by jointed shaft (61), described jointed shaft (61) is provided with limiting stopper (62), the two ends of described limiting stopper (62) can offset with described horizontal plate.
3. combined tractor truck according to claim 1, is characterized in that, described former rail (5) comprises two straight plates be arranged in parallel; Described front vertical plate is provided with adapter plate, described adapter plate offers the chute coordinated with described straight plate.
4. combined tractor truck according to claim 1, it is characterized in that, described second slide block assembly (10) is provided with horizontal mounting plate (101), the upper setting of described horizontal mounting plate (101) is offered porose, the sleeve (103) be fixedly connected with described horizontal mounting plate (101) is provided with in described hole, damping spring (102) is provided with in described sleeve (103), the supporting seat of described damping spring (102) one end and described guide wheel shaft offsets, and the spring block on the other end and described sleeve (103) top offsets.
5. combined tractor truck according to claim 4, it is characterized in that, the top of described sleeve (103) is provided with and offsets with described spring block and to arrange the adjusting bolt (1031) for adjusting described spring stop position along the axis of described sleeve (103), described horizontal mounting plate (101) is provided with two described damping springs (102), the number of described damping spring (102) is equal with the number of described sleeve (103).
6. combined tractor truck according to claim 1, is characterized in that, the number of described first vertical plate is two, and described first vertical plate is arranged in parallel;
Also comprise: to be arranged between described first vertical plate and the rear connecting panel vertically arranged, described rear connecting panel and described guide wheel shaft are fitted, described rear connecting panel is provided with pin shaft hole, described guide wheel shaft is provided with the U-shaped hole also vertically arranged coordinated with described pin shaft hole, in described pin shaft hole and described U-shaped hole, is inserted with bearing pin.
7. combined tractor truck according to claim 1, is characterized in that, also comprise:
Front mounting plate (12), described front mounting plate (12) is fixedly connected with described vehicle frame (14), cylinder body and the described front mounting plate (7) of described first oil cylinder (1) are articulated and connected, and upper end and the described front mounting plate (12) of described front upper junction plate (2) are articulated and connected;
Rear adapter plate (13), described rear adapter plate (13) is fixedly connected with described vehicle frame (14), and the cylinder body of described second oil cylinder (7) and described rear adapter plate (13) are articulated and connected, upper end and the described rear adapter plate (13) of described rear upper junction plate (8) are articulated and connected.
8. combined tractor truck according to claim 1, it is characterized in that, above the highway steeraxle being positioned at described combined tractor truck, to be comparatively positioned at the height of the described vehicle frame (14) above described railway supports bridge high for the height of described vehicle frame (14);
Be arranged on described vehicle frame (14) to go up and the seat (15) being positioned at described railway supports bridge rear, the number of described seat (15) is two, the both sides being arranged in described vehicle frame (14) that two described seats (15) are parallel, the backrest of described seat (15) is foldable back;
Bearing circle (16), described bearing circle (16) is positioned in the middle of two described seats (15), the height high 20mm at the most on the top of the more described vehicle frame of height (14) of described bearing circle (16);
Be arranged on the operator's station (141) on described vehicle frame (14), described operator's station (141) one end is connected with the described vehicle frame (14) be positioned at above described highway steeraxle, and the other end is connected with the described vehicle frame (14) be positioned at above described railway supports bridge.
9. combined tractor truck according to claim 8, is characterized in that, also comprise:
Tooth bar (17), described tooth bar (17) is arranged in rack case (18), the lower end of described rack case (18) arranges porose, described rack case (18) is fixedly connected with described vehicle frame (14), described tooth bar (17) is arranged in the middle of the cavity of rack case (18), described rack case (18) is provided with the power plant for driving described tooth bar (17) to move;
The rotating shaft (19) that one end is engaged with described tooth bar (17) by described hole, the other end of described rotating shaft (19) is fixedly connected with the wheel shaft of described highway steeraxle.
10. combined tractor truck according to claim 9, it is characterized in that, described power plant is cylinder or oil cylinder, described cylinder or described oil cylinder are arranged in described rack case, and the piston rod of described cylinder or oil cylinder is fixedly connected with described rack case (18), the cylinder body of described cylinder or described oil cylinder is fixedly connected with described rack case (18);
Or, described power plant is fuel-feed system, the two ends of described tooth bar (17) are sealed and matched by the cavity at seal ring and described rack case (18) two ends, and described cavity offer the fuel feed hole and oil outlet that are communicated with described fuel-feed system.
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CN106080810A (en) * 2016-08-16 2016-11-09 常州市瑞泰工程机械有限公司 The combined tractor of accumulator
CN106240659A (en) * 2016-08-24 2016-12-21 衡阳合力工业车辆有限公司 A kind of railroad hauling car
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CN108928195A (en) * 2018-07-27 2018-12-04 中车四方车辆有限公司 Rail-road tractor

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