CN101327902B - Dual-purpose traction forklift for road and railway and driving method thereof - Google Patents
Dual-purpose traction forklift for road and railway and driving method thereof Download PDFInfo
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- CN101327902B CN101327902B CN2007101107862A CN200710110786A CN101327902B CN 101327902 B CN101327902 B CN 101327902B CN 2007101107862 A CN2007101107862 A CN 2007101107862A CN 200710110786 A CN200710110786 A CN 200710110786A CN 101327902 B CN101327902 B CN 101327902B
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Abstract
The invention relates to a towing fork truck for a highway and a railway and a driving method thereof. The towing fork truck comprises a fork truck body, the rear part of a tail directive wheel of the fork truck body is provided with a pair of liftable rear rail wheels controlled by a hydraulic transmission mechanism, the front part of a front driving wheel of the fork truck body is provided with a pair of front rail wheels which are fixed on a main frame and can lift with the swing of the main frame, a fork in the front of the fork truck is fixed with a base, the base is provided with a permanent seat which rotates around a vertical shaft fixed on the base, a shackle bar is fixed on the base, and the base and the top end of the vertical shaft respectively extend a supporting rod which is fixed with a fork lifter in the front of the fork body. The workers can realize the converting drive between on the road surface and the rail by simple operation, and the fork truck is particularly operated on trench platform position; when the fork truck draws different vehicles, the shackle bar does not need to be detached, the permanent seat is only rotated, and the needed shackle bar can be selected; and the fork truck has the advantages of simple structure, convenient operation, safe and reliable use, and the reduction of labor intensity of workers.
Description
Technical field
The present invention relates to a kind of fork truck that can be used for towage, particularly can be on highway and railway the traction forklift of conversion process mutually, also relate to the driving method that uses this traction forklift.
Background technology
In the prior art, have to utilize and install rail wheel additional and realize combined vehicle, a kind ofly can on road surface and railroad track, change vehicle and the driving method thereof that travels mutually such as in Chinese invention patent ublic specification of application CN1681674A, disclosing.This vehicle comprises a superimposed trailer that can drive along railroad track, the rear portion of superimposed trailer is provided with road wheel, be used on highway, travelling, the leading section of superimposed trailer can be connected with the fwd tow truck around the attaching parts that vertical pivot rotates by one, tow truck can drive superimposed trailer and travels on highway like this, for this car can be travelled in orbit, but respectively be provided with the rail-wheel unit of a pair of vertical lift in the front portion of the rear portion of road wheel and superimposed trailer, when superimposed trailer need travel on railway, just rail wheel is dropped on the track, up to road wheel is lifted.Under the situation that does not need superimposed trailer, also can be directly the pair of tracks wheel respectively be set in the front and back of the road wheel of car body itself.Above-mentioned combined vehicle is bulky, the cost height, and also the height of attaching parts is non-adjustable, is adapted at outdoor hauling operation, when guideway vehicle originating firm etc. carries out office operation, just is not suitable for.
In the prior art, also have and utilize the less relatively fork truck of volume to finish towage, generally be on the pallet fork crane of fork truck head, to fix a drawbar frame, on it fixedly hitch etc. be pulled the device that car matches, the height of hitch can be regulated and control by the pallet fork crane of fork truck, but its hitch and drawbar frame are heavy keying fit, when the traction different vehicle needs different types of hitch, need manually original hitch to be taken off, change the hitch that needs usefulness, labor strength is big, and efficient is low, in addition, this fork truck is when the traction track vehicle, and the direction of travel of regulation and control fork truck that can only be artificial makes fork truck and trailed guideway vehicle in-line travel, if deviation is excessive, the load that hitch carried will strengthen, and very easily causes the damage of hitch, when carrying out operation on the platform position of trench is arranged, because can not accurately control travel direction, just be not suitable for using above-mentioned traction forklift.
Summary of the invention
Main purpose of the present invention is to address the above problem and is not enough, and a kind of combined traction forklift is provided, and it can be by installing simple structure additional on original fork truck, be implemented in to change mutually on road surface and the track and travel, be particularly suitable for operation on trench platform position, need not dismantle hitch, just can draw dissimilar vehicles, simple in structure, easy to operate, safe and reliable, cost is low, labor strength is low, the efficient height.
Another object of the present invention provides a kind of simple to operate, and labor strength is low, and the combined traction forklift of the driving that efficient is high makes it change the method for travelling mutually on road surface and railroad track.
For achieving the above object, described combined traction forklift comprises:
Comprise a fork truck body, a pair of liftable back rail wheel is set at the rear of its afterbody wheel flutter, the place ahead of described fork truck body portion drive wheel be provided with a pair of liftable before rail wheel, on the pallet fork in described fork truck body the place ahead, fix a base, being provided with one on the described base can be around the permanent seat that is fixed on the vertical pivot rotation on the described base, fix by attaching parts between described permanent seat and the described base, hitch is fixed on the described permanent seat, respectively stretch out a strut bar on the top of described base and described vertical pivot, the pallet fork crane with described fork truck body the place ahead is fixedly connected respectively.
Rail wheel is fixed in the bottom of the main frame in described fork truck body the place ahead before described.Fix a hydraulic gear at described fork truck body afterbody, and be provided with in the compartment of described fork truck body and the corresponding bar handle of described hydraulic gear, described back rail wheel is fixed on the hydraulic gear.Described a pair of back rail wheel is a twin shaft, is directly fixed on the described hydraulic gear away from the axle head of described back rail wheel, is fixed on the described hydraulic gear by a telescopic shaft near the axle head of described back rail wheel.
The cross-sectional plane of described permanent seat is a polygon, also can be circle.
A kind of driving method that utilizes combined traction forklift, its step has,
A) described combined traction forklift is moved to carry out on the track of towage;
B) handle the bar handle of the described hydraulic gear of control, rail wheel after two is descended to be placed on the track, lifts up to the wheel flutter with described fork truck body, breaks away from ground;
C) bar handle of the main frame of the described fork truck body of manipulation control makes the deflection forward of described main frame, thereby the described preceding rail wheel that is fixed on its bottom is placed on the track;
D) according to the corresponding hitch of the structure choice of trailed vehicle, make it, described permanent seat and described base are fixed with attaching parts over against trailed vehicle;
E) handle the bar handle of the described pallet fork crane of control, the height that makes described hitch just in time be pulled vehicle on the height of hitch consistent;
F) move described combined traction forklift, make it, be buckled together until two hitches gradually near trailed vehicle;
G) after the towage of finishing in orbit,, described combined traction forklift is moved to the road surface from track according to the order of step F to steps A.
When implementing towage in orbit, the anterior drive wheel of described fork truck body contacts orbital plane all the time, plays the effect of braking.
Content to sum up, combined traction forklift provided by the present invention and driving method thereof have installed rotatable fixed seat structure additional by the front portion at described traction forklift, need not dismantle hitch, as long as the rotation permanent seat just can be selected needed hitch, thereby draw dissimilar vehicles, simple in structure, easy to operate, safe and reliable, cost is low, reduce labor strength, the efficient height.
The back rail wheel that is driven by hydraulic gear has further been installed in the present invention additional on the basis of original fork truck, and directly be fixed on the preceding rail wheel on the side main frame before the fork truck body, just can be implemented on road surface and the track conversion mutually by shirtsleeve operation and travel, be particularly suitable for operation on trench platform position.Because preceding rail wheel directly is fixed on the main frame, thus do not need independent drive configuration and bar handle, simple in structure.Back rail wheel has adopted the cross-compound arrangement that can turn up relatively, is convenient to described traction forklift when the ramp that the gradient is bigger up and down, and back rail wheel is unlikely to the ground that rubs, and avoids damaging back rail wheel and road surface.
Description of drawings
Fig. 1 composition structural representation of the present invention;
The birds-eye view of Fig. 2 Fig. 1;
The right elevation of Fig. 3 Fig. 1.
As shown in Figure 1 to Figure 3, fork truck body 1, back rail wheel 2, preceding rail wheel 3, pallet fork 4, base 5, vertical pivot 6, permanent seat 7, hitch 8, strut bar 9, pallet fork crane 10, hydraulic gear 11, axle head 12, axle head 13, telescopic shaft 14, wheel flutter 15, anterior drive wheel 16, main frame 17, latch structure 18, the drive wheel of carrying additionally 19.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is described in further detail:
As shown in Figure 1 to Figure 3, described combined traction forklift:
Comprise a fork truck body 1, a pair of liftable back rail wheel 2 is set at the rear of its afterbody wheel flutter 15, the place ahead of fork truck body 1 anterior drive wheel 16 be provided with a pair of liftable before rail wheel 3, when traction forklift travels in orbit, the wheel rim of preceding rail wheel 3 and back rail wheel 2 just blocks the inboard that is placed on track, can guarantee fork truck offset direction not when travelling like this, make fork truck and trailed guideway vehicle in-line travel, the load that this moment, hitch 8 was carried is little, is difficult for causing the damage of hitch 8.When on the platform position of trench is arranged, carrying out operation, adopt rail wheel just can better control travel direction.
Fix a hydraulic gear 11 at fork truck body 1 afterbody, and be provided with in the compartment of fork truck body 1 and hydraulic gear 11 corresponding bar handles, back rail wheel 2 just is fixed on the hydraulic gear 11.A pair of back rail wheel 2 is a cross-compound arrangement, two axle heads 12 away from back rail wheel 2 are directly fixed on the bottom of hydraulic gear 11, two axle heads 13 near back rail wheel 2 respectively are fixed on the top of hydraulic gear 11 by a telescopic shaft 14, traction forklift is only in road traveling like this, back rail wheel 2 can be turned up relatively, make back rail wheel 2 away from ground, when fork truck travels on the bigger ramp of the gradient, because back rail wheel 2 is higher apart from ground, the damage of road surface and back rail wheel is avoided causing in the ground so can not rub.
Simple in structure in order to make, preceding rail wheel 3 is not controlled by hydraulic gear, do not need to be provided with in addition again bar handle yet, but preceding rail wheel 3 is directly fixed on the bottom of the main frame 17 in fork truck body 1 the place ahead, but the function (main frame 17 of general fork truck all can be swung in 5 ° of scopes) of the fore-and-aft adjustment angle that the main frame 17 that utilizes fork truck body 1 is had itself, rail wheel 3 before lifting or putting down.
On the pallet fork 4 in fork truck body 1 the place ahead, fix a base 5, fixed a vertical pivot 6 on the base 5, permanent seat 7 is enclosed within the outside of vertical pivot 6, and can be around vertical pivot 6 rotations, hitch 8 is fixed on the permanent seat 7, hitch 8 can be set to a plurality of around the periphery of permanent seat 7, and when needs used different hitches 8, the workman only needed rotational fixation seat 7 to get final product.
Fix by attaching parts between permanent seat 7 and the base 5, generally can be connected and fixed by the structure of latch, exactly on base 5 and the bottom of permanent seat 7 the mutual cooresponding structure 18 that can insert latch respectively is set, when the workman chooses needed hitch 8, corresponding latch structure 18 on base 5 and the permanent seat 7 just aligns at this moment, inserts latch base 5 and permanent seat 7 are connected and fixed.In order to cooperate the needs of a plurality of hitches 8, a plurality of latch structures 18 are set on permanent seat 7, equally, also a latch structure 18 can only be set on permanent seat 7, and a plurality of corresponding with it latch structures 18 are set on base 5, as long as guarantee when using each hitch 8, permanent seat 7 and base 5 can be fixed and get final product.When needs conversion hitch 8, only need latch is taken out rotation permanent seat 7, rotate to when needing the position at hitch 8, insert latch in the latch structure 18 that on base 5 and permanent seat 7, aligns and get final product, simple to operation, greatly reduce working strength of workers, improved production efficiency.
The cross-sectional plane of permanent seat 7 can be polygon, also can be circle.
Respectively stretch out a strut bar 9 on the top of base 5 and vertical pivot 6, the pallet fork crane 10 with fork truck body 1 the place ahead is fixedly connected respectively, and the workman is by adjusting pallet fork crane 10 height with regard to adjustable car load hook 8 like this.
A kind of driving method that utilizes combined traction forklift, its step has,
A) described combined traction forklift is moved to carry out on the track of towage;
B) handle the bar handle of modulated pressure transmission device 11, rail wheel 2 after two is descended to be placed on the track, lifts up to the wheel flutter 15 with fork truck body 1, breaks away from ground, notices simultaneously making that the wheel rim of rail wheel 2 just blocks the inboard that is placed on track after two;
C) bar handle of the main frame 17 of manipulation control fork truck body 1 makes main frame 17 deflection forward, thereby the preceding rail wheel 3 that will be fixed on its bottom is placed on the track, notes simultaneously making the wheel rim of two preceding rail wheels 3 just block the inboard that is placed on track;
D) according to the corresponding hitch 8 of the structure choice of trailed vehicle, make it, insert latch in the latch structure 18 that on permanent seat 7 and base 5, aligns mutually over against trailed vehicle, thereby with the stationkeeping of hitch 8;
E) handle the bar handle of control pallet fork crane 10, adjust the height of hitch 8, the height that makes hitch 8 just in time be pulled vehicle on the height of hitch consistent;
F) move described combined traction forklift, make it, be buckled together until two hitches gradually near trailed vehicle;
G) after the towage of finishing in orbit,, described combined traction forklift is moved to the road surface from track according to the order of step F to steps A.
When described traction forklift was implemented towage in orbit, the anterior drive wheel 16 of fork truck body 1 contacted orbital plane all the time, plays the effect of braking.When described traction forklift when carrying out the operation of trench platform position, often the width of trench will be wider than the width of the anterior drive wheel 16 of fork truck body 1, in order to play the effect of braking when the operation, at this moment, as shown in Figure 2, can be with the wheel shaft lengthening of anterior drive wheel 16, respectively hang a drive wheel 19 again in the outside, make fork truck when carrying out the operation of trench platform position, the drive wheel of carrying additionally 19 just drops on the track, can play the effect of braking when brake or parking preferably.
As mentioned above, given in conjunction with the accompanying drawings and embodiments scheme content can derive the similar techniques scheme.In every case be the content that does not break away from technical solution of the present invention, to any simple modification, equivalent variations and modification that above embodiment did, all still belong in the scope of technical solution of the present invention according to technical spirit of the present invention.
Claims (5)
1. combined traction forklift, comprise a fork truck body (1), a pair of liftable back rail wheel (2) is set at the rear of its afterbody wheel flutter (15), the place ahead of the anterior drive wheel of described fork truck body (1) (16) be provided with a pair of liftable before rail wheel (3), it is characterized in that:
On the pallet fork (4) in described fork truck body (1) the place ahead, fix a base (5), being provided with one on the described base (5) can be around the permanent seat (7) that is fixed on vertical pivot (6) rotation on the described base (5), fix by attaching parts between described permanent seat (7) and the described base (5), hitch (8) is fixed on the described permanent seat (7);
A strut bar (9) is respectively stretched out on top at described base (5) and described vertical pivot (6), and the pallet fork crane (10) with described fork truck body (1) the place ahead is fixedly connected respectively;
Rail wheel (3) is fixed in the bottom of the main frame (17) in described fork truck body (1) the place ahead before described;
Fix a hydraulic gear (11) at described fork truck body (1) afterbody, and in the compartment of described fork truck body (1), be provided with and the corresponding bar handle of described hydraulic gear (11), described back rail wheel (2) is fixed on the hydraulic gear (11);
Described a pair of back rail wheel (2) is a twin shaft, axle head (12) away from described back rail wheel (2) is directly fixed on the described hydraulic gear (11), and the axle head (13) of close described back rail wheel (2) is fixed on the described hydraulic gear (11) by a telescopic shaft (14).
2. combined traction forklift according to claim 1 is characterized in that: the cross-sectional plane of described permanent seat (7) is a polygon.
3. combined traction forklift according to claim 1 is characterized in that: the cross-sectional plane of described permanent seat (7) is for circular.
4. driving method that utilizes combined traction forklift as claimed in claim 1, it is characterized in that: its step has,
A) described combined traction forklift is moved to carry out on the track of towage;
B) handle the bar handle of the described hydraulic gear of control (11), rail wheel (2) after two is descended to be placed on the track, lifts up to the wheel flutter (15) with described fork truck body (1), breaks away from ground;
C) bar handle of the main frame (17) of the manipulation described fork truck body of control (1) makes described main frame (17) deflection forward, thereby the described preceding rail wheel (3) that is fixed on its bottom is placed on the track;
D) according to the corresponding hitch of the structure choice of trailed vehicle (8), make it, described permanent seat (7) and described base (5) are fixed with attaching parts over against trailed vehicle;
E) handle the bar handle of the described pallet fork crane of control (10), the height that makes described hitch (8) just in time be pulled vehicle on the height of hitch consistent;
F) move described combined traction forklift, make it, be buckled together until two hitches gradually near trailed vehicle;
G) after the towage of finishing in orbit,, described combined traction forklift is moved to the road surface from track according to the order of step F to steps A.
5. the driving method of combined traction forklift according to claim 4, it is characterized in that: when implementing towage in orbit, the anterior drive wheel (16) of described fork truck body (1) contacts orbital plane all the time, plays the effect of braking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101107862A CN101327902B (en) | 2007-06-18 | 2007-06-18 | Dual-purpose traction forklift for road and railway and driving method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101107862A CN101327902B (en) | 2007-06-18 | 2007-06-18 | Dual-purpose traction forklift for road and railway and driving method thereof |
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| Publication Number | Publication Date |
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| CN101327902A CN101327902A (en) | 2008-12-24 |
| CN101327902B true CN101327902B (en) | 2010-06-09 |
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| CN2007101107862A Active CN101327902B (en) | 2007-06-18 | 2007-06-18 | Dual-purpose traction forklift for road and railway and driving method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2011253974B2 (en) | 2011-12-12 | 2015-04-09 | Brionmadel Pty Ltd | Towing attachment |
| CN103264625B (en) * | 2013-05-31 | 2015-09-23 | 中国人民解放军军事交通学院 | Combined tractor truck |
| CN103332082B (en) * | 2013-06-18 | 2015-04-22 | 湖北三江航天万峰科技发展有限公司 | Multifunctional chassis of track tractor |
| CN106698282B (en) * | 2017-03-23 | 2022-10-11 | 陕西奥力信工程机械有限公司 | Hydraulic system of highway-railway dual-purpose double-working-platform aerial work vehicle |
| CN107879291B (en) * | 2017-12-31 | 2023-08-01 | 荣成中磊科技发展有限公司 | Center-swing positioning fork |
| CN113979364B (en) * | 2021-11-17 | 2023-02-28 | 山推工程机械股份有限公司 | Crawler belt mounting trolley and crawler belt mounting method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2117307U (en) * | 1992-03-12 | 1992-09-30 | 李青春 | Trailor of fork lifter |
| CN2410154Y (en) * | 1999-10-17 | 2000-12-13 | 师围田 | Vehicle for use both on rail and on road |
| DE10144604A1 (en) * | 2000-09-11 | 2002-04-04 | Walter Breinl | Flat truck is fitted with wheels which can run on rails and also with road wheels, front end carrying connecting arm with bearing with recesses into which fork lift truck fork can be inserted |
| 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 |
| CN201109358Y (en) * | 2007-06-18 | 2008-09-03 | 南车四方机车车辆股份有限公司 | Road-railway dual-purpose traction fork lift |
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2007
- 2007-06-18 CN CN2007101107862A patent/CN101327902B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2117307U (en) * | 1992-03-12 | 1992-09-30 | 李青春 | Trailor of fork lifter |
| CN2410154Y (en) * | 1999-10-17 | 2000-12-13 | 师围田 | Vehicle for use both on rail and on road |
| DE10144604A1 (en) * | 2000-09-11 | 2002-04-04 | Walter Breinl | Flat truck is fitted with wheels which can run on rails and also with road wheels, front end carrying connecting arm with bearing with recesses into which fork lift truck fork can be inserted |
| 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 |
| CN201109358Y (en) * | 2007-06-18 | 2008-09-03 | 南车四方机车车辆股份有限公司 | Road-railway dual-purpose traction fork lift |
Non-Patent Citations (1)
| Title |
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| 全文. |
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| CN101327902A (en) | 2008-12-24 |
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Address after: Jihongtan town Chengyang District Shandong city Qingdao province Jinhong road 266111 No. 88 Patentee after: CRRC QINGDAO SIFANG CO., LTD. Address before: 266111 Qingdao, Chengyang District, Shandong Province town of Hong Hu spines Patentee before: CSR Qingdao Sifang Locomotive and Rolling Stock Co., Ltd. |