CN2506482Y - Single track working vehicle - Google Patents
Single track working vehicle Download PDFInfo
- Publication number
- CN2506482Y CN2506482Y CN 01252064 CN01252064U CN2506482Y CN 2506482 Y CN2506482 Y CN 2506482Y CN 01252064 CN01252064 CN 01252064 CN 01252064 U CN01252064 U CN 01252064U CN 2506482 Y CN2506482 Y CN 2506482Y
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- oil
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- vehicle
- lifting
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Abstract
The utility model provides a straddle type single track working vehicle, which comprises a rack, a lifting table, a walking apparatus, a guide and wheel stabilizing apparatus and a brake. The walking apparatus is connected with a hydraulic driving close type circuit. The brake and the lifting and reversing table are connected with a hydraulic open type circuit system. As the walking driving way of the utility model adopts the technology of hydrostatic drive, the utility model achieves the stepless speed regulation of the vehicle in a large range, and has high starting torque and good stability in the low speed although without the high speed of the vehicle by adopting a low-speed high torque motor. Compared with the prior art, the utility model has the advantages of simple operation of the vehicle, flexible control, smooth operation and high transmission efficiency etc, and provides the simple, convenient and suitable working tool with complete function for the construction of the projects of power supply system, contact line and aluminum strip of the urban straddle type single track transportation system.
Description
Affiliated field
The utility model relates to a kind of special engineering machinery of urban light rail traffic system.
Background technology
The many in the world countries of urban light rail traffic system are applied.Wherein, straddle-type monorail transportation system is also in some national successful implementations, and this system is that a kind of transportation mode that elevated-beam is started elec. vehicle is set up in the sky in the middle of utilizing urban highway, is mainly used in and solves exist in the city densely populated, road is narrow, problems such as crowded traffic.
Straddle-type monorail construction operation car is the special engineering machinery that is used for the monorail traffic system construction operation.It has distinct uniqueness; The vehicle chassis narrow space, less demanding to running velocity, but require low-speed stability good, cranking torque is big.Straddle-type monorail construction operation car the earliest is to adopt the artificial mode that promotes to carry out construction operation, progressively develop into then and drive electrical motor with generator set, the mode of direct motor drive vehicle operating is carried out construction operation, the deficiency that exists is: this type of drive complexity is difficult to reasonable Arrangement on this kind vehicle; Its energy is relatively large through the conversion energy consumption of various ways, so the driving efficiency of vehicle is lower.
Technical scheme
It is a kind of simple in structure that the utility model provides, and driving efficiency height, vehicle operating are succinctly convenient, can realize the straddle-type monorail construction operation car of the infinite speed variation of vehicle.
The technical solution of the utility model is: be made up of straddle-type monorail steel structure vehicle frame, vehicle to run device, lifting and turning device, guiding and steady wheel device, driver for vehicle assembly etc.The driver for vehicle assembly comprises with running gear and linking to each other, and drives the hydraulic-driven closed circuit system of running gear traveling in the hydrostatic transmissions mode, and the hydraulic pressure open circuit that links to each other with drg, lifting and turning device.
Its hydraulic-driven closed circuit system is: driving engine links to each other with the hydraulic oil pump assembly by tie-plate, and the hydraulic oil pump assembly links to each other with A, the B oil inlet of low-speed big torque motor respectively through the high pressure oil pipeline, on the high pressure oil pipeline integrated control valve block is housed.
Traveling type of drive of the present utility model has adopted the hydrostatic transmissions technology, can make vehicle realize stepless time adjustment on a large scale, because the size variation of the hydraulic fluid flow rate of hydraulic oil pump output is electrodeless, so the speed of vehicle operating also is electrodeless variation.The low-speed big torque motor that adopts, the not high but cranking torque of running velocity is big and low-speed stability good, is just meeting the requirement of site operation.
The utility model provides service tool that a kind of function satisfies fully, simple, convenient, that be suitable for for engineering constructions such as the electric power system in China's city straddle-type monorail transportation system, contact wire, aluminium rows.It is good also to have low-speed stability, and cranking torque is big, can realize large-scale stepless time adjustment, and trailer reversing is simple, control flexibly, operate steadily, the driving efficiency advantages of higher.
Description of drawings
Fig. 1 is a structural representation of the present utility model; Fig. 2 is the back view of Fig. 1; Fig. 3 is a hydraulic-driven closed circuit system diagram of the present utility model; Fig. 4 is hydraulic lifting open circuit figure of the present utility model.
The specific embodiment
Among Fig. 1, Fig. 2, diesel motor assembly 2 tightly connects with hydraulic oil pump assembly 3, be fixed on then on the steel structure vehicle frame 1, vehicle adopts the carrying of twin shaft four-wheel, single shaft drives, and the every side design of vehicle is by two track adjusting wheels and two guiding steady wheel devices 8 that steady wheel is formed, and the track adjusting wheel guided vehicle moves along track girder, when vehicle occurred to both sides bevelled situation, the rubber tire stabilizing device played stable effect to vehicle.Bearing seat 5 is installed on the axletree with load-supporting wheel 6.Be loaded on hydraulic brake 9 on the driven axle and promptly can be used as the braking of vehicle driving braking when can be used as vehicle parking again.Low-speed big torque motor 10 is fixedly connected through its locking plate and imput shaft, when its during by the high-voltage oil liquid driven in rotation, drive the axletree rotation, thereby make vehicle operating.4 is the hoist cylinder of lifting working platform.7 is hitch.
Among Fig. 3, form hydraulic-driven closed circuit system by hydraulic reservoir 11, filter 12, shutoff valve 13, hydraulic oil pump (automatically controlled axial plunger enclosed controllable capacity pump) assembly 3, integrated control valve block 14 and low-speed big torque motor 10 and hydraulic tubing.Hydraulic reservoir 11 links to each other with the oil inlet of hydraulic oil pump assembly 3 through oil-piping and filter 12, hydraulic reservoir 11.Hydraulic oil pump assembly 3A mouth links to each other with A (forward) oil inlet of the low-speed big torque motor 10 that can realize two-way rotation through a high pressure oil pipeline 15; Its B mouth links to each other with B (oppositely) oil inlet of low-speed big torque motor 10 through another pressure piping 16.All by the control of electric control operation handle, oil pump is realized the electrodeless variation of oil pump capacity by inner electro-hydraulic proportional valve in the change of the discharge capacity of oil pump and liquid flow path direction.Integrated control valve block 14 is housed between the high pressure oil pipeline 15 and 16, and the electromagnetic relief valve in the integrated control valve block 14 is a stabilization system pressure on the one hand, is to slide for the neutral that realizes vehicle on the other hand.Among the figure, dotted line is depicted as leakage passage.
Fire an engine 2, driving hydraulic oil pump assembly 3 rotates, from hydraulic reservoir 11, suck hydraulic oil through filter 12, after hydraulic oil pump assembly 3, become high pressure oil and 15 be transported to low-speed big torque motor 10 by the road, promote 10 1 direction rotations of low-speed big torque motor, thereby reach the purpose of vehicle operating, make the high pressure oil of generation 16 be transported to low-speed big torque motor 10 its rotations of promotion by the road by the operating operation handle, thereby make vehicle to another direction operation.
The size of car speed changes the size of hydraulic oil pump assembly 3 output hydraulic fluid flow rates by the size that changes the operating handle displacement, thereby changes the speed of low-speed big torque motor rotative speed, reaches the purpose of control vehicle running velocity speed.
Among Fig. 4, linked to each other with fuel tank 11 with filter 17 through pipeline by the gear type pump 8 of driving engine band, check valve 19 links to each other with gear type pump 8 oil outlets, and the one oil circuit links to each other with drg 9 through solenoid directional control valve 22, and its another oil circuit links to each other with the lifting overturn system of two parallel connections.The lifting overturn system symmetry of two parallel connections is installed on the vehicle frame, and the lifting overturn system is: the change-over valve 21-in the manual multi-path reversing valve assembly 21 that links to each other with flowline
1Link to each other change-over valve 21-with the hoist cylinder 4 of lifting working platform
2Link to each other with the overturning oil cylinder 25 of overturn platform through flow divider-combiner 23, on the oil circuit of hoist cylinder 4 and overturning oil cylinder 25, balance cock 24 is housed all, by pass valve 20 is housed in the manual multi-path reversing valve assembly 21.Drg 9 adopts the normally closed plate disc brake of hydraulic pressure, brake application by spring--the hydraulic failure protection, can realize automatic centering, and do not influence driving again, drg oil cylinder entrance pressure power oil produces thrust compression belleville spring, thus release the brake.By the pressure release of joining of change-over valve commutation hydraulic fluid port and oil return pipe, brake application by spring, so not only can do service brake but also can make stopping brake.
Claims (5)
1, a kind of straddle-type monorail construction operation car, comprise vehicle frame (1), lifting working platform, overturn platform, running gear (6), guiding and steady wheel device (8), drg (9), it is characterized in that: running gear (6) links to each other with hydraulic-driven closed circuit system; Drg (9), lifting and overturn platform link to each other with the hydraulic pressure open circuit.
2, Operation Van according to claim 1, its hydraulic-driven closed circuit system is: driving engine (2) is connected into an overall fixed in vehicle frame (1) through tie-plate and hydraulic oil pump assembly (3); Hydraulic oil pump assembly (3) inflow pipeline links to each other with fuel tank (11), and its A mouth links to each other with low-speed big torque motor (10) A oil inlet through high pressure oil pipeline (15), and its B mouth links to each other with low-speed big torque motor (10) B oil inlet through another high pressure oil pipeline (16); Integrated control valve block (14) is housed between high pressure oil pipeline (16) and (15); The axle drive shaft of running gear (6) is connected by the locking plate on the motor.
3, Operation Van according to claim 2, its hydraulic oil pump assembly (3) is automatically controlled axial plunger enclosed controllable capacity pump assembly.
4, Operation Van according to claim 1, its hydraulic pressure open circuit is: the gear type pump (8) that oil inlet links to each other with fuel tank (11), the one oil circuit links to each other with drg (9) through solenoid directional control valve (22), and another oil circuit links to each other with the lifting overturn system of two parallel connections; The lifting overturn system is: the change-over valve (21-in the manual multi-path reversing valve assembly (21) that links to each other with flowline
1), link to each other with the hoist cylinder (4) of lifting table; Change-over valve (21-
2) link to each other with the overturning oil cylinder (25) of overturn platform through flow divider-combiner (23); On the oil line pipe of hoist cylinder (4) and overturning oil cylinder (25), balance cock (24) is housed all.
5, Operation Van according to claim 1, its drg (9) is the normally closed plate disc brake of hydraulic pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01252064 CN2506482Y (en) | 2001-09-30 | 2001-09-30 | Single track working vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01252064 CN2506482Y (en) | 2001-09-30 | 2001-09-30 | Single track working vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2506482Y true CN2506482Y (en) | 2002-08-21 |
Family
ID=33661857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01252064 Expired - Fee Related CN2506482Y (en) | 2001-09-30 | 2001-09-30 | Single track working vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2506482Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102767545A (en) * | 2012-08-07 | 2012-11-07 | 安奥克斯汤姆逊(青岛)游艇有限公司 | Four-cylinder synchronous hydraulic system |
| CN103658553A (en) * | 2013-05-20 | 2014-03-26 | 郧县力达商用车配套有限公司 | Automotive intercooler air chamber shell core machine and processing method thereof |
| CN104554323A (en) * | 2014-12-25 | 2015-04-29 | 太原轨道交通装备有限责任公司 | Straddle type monorail operation vehicle with structure comprising two pairs of wheels |
-
2001
- 2001-09-30 CN CN 01252064 patent/CN2506482Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102767545A (en) * | 2012-08-07 | 2012-11-07 | 安奥克斯汤姆逊(青岛)游艇有限公司 | Four-cylinder synchronous hydraulic system |
| CN103658553A (en) * | 2013-05-20 | 2014-03-26 | 郧县力达商用车配套有限公司 | Automotive intercooler air chamber shell core machine and processing method thereof |
| CN104554323A (en) * | 2014-12-25 | 2015-04-29 | 太原轨道交通装备有限责任公司 | Straddle type monorail operation vehicle with structure comprising two pairs of wheels |
| CN104554323B (en) * | 2014-12-25 | 2017-04-05 | 中车太原机车车辆有限公司 | A kind of straddle-type monorail Operation Van of two pairs of wheel constructions |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |