CN103770636B - A kind of large-scale mine dumping car list bridge fluid pressure drive device - Google Patents
A kind of large-scale mine dumping car list bridge fluid pressure drive device Download PDFInfo
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- CN103770636B CN103770636B CN201410032362.9A CN201410032362A CN103770636B CN 103770636 B CN103770636 B CN 103770636B CN 201410032362 A CN201410032362 A CN 201410032362A CN 103770636 B CN103770636 B CN 103770636B
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Abstract
The invention discloses a kind of single bridge fluid pressure drive device of large-scale mine dumping car, comprise the first engine installation, second engine installation, the the first gear collector-shoe gear rotated for driving the first rear wheel of quarry tipper and the second gear collector-shoe gear for driving the second rear wheel of quarry tipper to rotate, described first engine installation is provided with two output shafts, first gear collector-shoe gear and the second gear collector-shoe gear are equipped with two input shafts, two output shafts on first engine installation are connected with an input shaft of the first gear collector-shoe gear and an input shaft of the second gear collector-shoe gear respectively, second engine installation is provided with two output shafts, and two output shafts on the second engine installation are connected with another input shaft of the first gear collector-shoe gear and another input shaft of the second gear collector-shoe gear respectively.Adopt the quarry tipper speed controllability of large-scale mine dumping car list bridge fluid pressure drive device of the present invention strong, and drive efficiency is high.
Description
Technical field
The invention belongs to quarry tipper field, be specifically related to a kind of large-scale mine dumping car list bridge fluid pressure drive device.
Background technology
Large-scale mine dumping car is one of important transportation means of Modern Mining Enterprises, is exclusively used in the heavy construction building sites such as surface mine, stone pit and hydroelectric project.Its work characteristics is that length of run is short, carrying is heavy, is often coordinated by large-scale power shovel and loads, travel to and fro between digging point and unload ore deposit point.
Large-scale mine dumping car can be divided into again hydraulic mechanical dumping car and electric transmission dumping car two kinds by type of drive.The power transmission route of hydraulic mechanical dumping car is: driving engine → turbine transformer → dynamic power shift gear box → transmission shaft → rear driving axle → trailing wheel.The power transmission route of electric transmission dumping car is: driving engine → alternating current generator → straightening and filtering unit → inverter → alternating-current motor/AC motor → drive wheel.Hydraulic mechanical had both achieved the ride comfort of gear shift, meet the requirement of operation quality, also there is certain load adaptive ability, but the characteristic of turbine transformer to determine quarry tipper moving velocity controllability poor, and during operation, the efficient district of driving system is narrower, affects operating efficiency.The intermediate link of electric transmission is few, messenger chain is short, mechanical wear is few, stepless change can be realized, without friction electric braking and automatic electric differential etc., but the energy capacity of electrical motor is little, and an electrical motor is compared with the HM Hydraulic Motor of same power, and its weight and volume is much bigger, and electric drive wheel mechanism eliminates traditional diff, so just make vehicle stressed difference of inside and outside wheel and easily cause damage when turning.
In sum, electric transmission dumping car transmission system is bulky, and load adaptive ability is poor.Though hydraulic transmission dumping car has part load adaptive ability, its high-efficient homework interval is narrow, and overall efficiency of energy utilization awaits improving.
Summary of the invention
The object of the invention is to the shortcoming overcoming above-mentioned prior art, provide a kind of large-scale mine dumping car list bridge fluid pressure drive device, adopt the quarry tipper speed controllability of this device strong, and drive efficiency is high.
For achieving the above object, single bridge fluid pressure drive device of large-scale mine dumping car of the present invention comprise the first engine installation, the second engine installation, for the first gear collector-shoe gear of driving the first rear wheel of quarry tipper to rotate and the second gear collector-shoe gear for driving the second rear wheel of quarry tipper to rotate;
Described first engine installation is provided with two output shafts, first gear collector-shoe gear and the second gear collector-shoe gear are equipped with two input shafts, and two output shafts on the first engine installation are connected with an input shaft of the first gear collector-shoe gear and an input shaft of the second gear collector-shoe gear respectively; Second engine installation is provided with two output shafts, and two output shafts on the second engine installation are connected with another input shaft of the first gear collector-shoe gear and another input shaft of the second gear collector-shoe gear respectively.
Described first engine installation comprises the first driving engine, auxiliary gear box and the first driving system, the output shaft of the first driving engine is connected by the axle drive shaft of auxiliary gear box with the first driving system, first driving system is provided with two output shafts, and two output shafts in the first driving system are connected with the input shaft of the first gear collector-shoe gear and the input shaft of the second gear collector-shoe gear respectively.
Described first driving system comprises the first controllable capacity pump, second controllable capacity pump, first variable-dis-placement motor, second variable-dis-placement motor, ternary motor, 4th variable-dis-placement motor, 3rd gear collector-shoe gear and the rear driving axle with differential locking-device function, auxiliary gear box is provided with two output shafts, two output shafts on auxiliary gear box are connected with the axle drive shaft of the first controllable capacity pump and the axle drive shaft of the second controllable capacity pump respectively, the first actuator port on first controllable capacity pump and the first actuator port on the second controllable capacity pump by pipeline and after pipe respectively with the first actuator port on the first variable-dis-placement motor, the first actuator port on second variable-dis-placement motor, the first actuator port on the first actuator port on ternary motor and the 4th variable-dis-placement motor is connected, the second actuator port on first controllable capacity pump and the second actuator port on the second controllable capacity pump by pipeline and after pipe respectively with the second actuator port on the first variable-dis-placement motor, the second actuator port on second variable-dis-placement motor, the second actuator port on the second actuator port on ternary motor and the 4th variable-dis-placement motor is connected, the output shaft of the first variable-dis-placement motor, the output shaft of the second variable-dis-placement motor, the output shaft of ternary motor and the output shaft of the 4th variable-dis-placement motor are connected with the input shaft of the 3rd gear collector-shoe gear respectively, the output shaft of the 3rd gear collector-shoe gear is connected with the input shaft of rear driving axle, rear driving axle is provided with two output shafts, two output shafts on rear driving axle are connected with the input shaft of the first gear collector-shoe gear and the input shaft of the second gear collector-shoe gear respectively.
Described second engine installation comprises the second driving engine and the second driving system, the output shaft of the second driving engine is connected with the axle drive shaft of the second driving system, second driving system is provided with two output shafts, and two output shafts in the second driving system are connected with the input shaft of the first gear collector-shoe gear and the input shaft of the second gear collector-shoe gear respectively.
Described second driving system comprises ternary pump, 5th variable-dis-placement motor and the 6th variable-dis-placement motor, the output shaft of the second driving engine is connected with the axle drive shaft of ternary pump, the first actuator port on ternary pump is connected with the first actuator port on the first actuator port on the 5th variable-dis-placement motor and the 6th variable-dis-placement motor respectively, the second actuator port on ternary pump is connected with the second actuator port on the second actuator port on the 5th variable-dis-placement motor and the 6th variable-dis-placement motor respectively, the output shaft of the 5th variable-dis-placement motor is connected with the input shaft of the first gear collector-shoe gear, the output shaft of the 6th variable-dis-placement motor is connected with the input shaft of the second gear collector-shoe gear.
The output shaft of described 3rd gear collector-shoe gear is connected with rear driving axle by transmission shaft and universal joint assembly.
The present invention has following beneficial effect:
Large-scale mine dumping car list bridge fluid pressure drive device of the present invention comprises the first engine installation, second engine installation, first gear collector-shoe gear and the second gear collector-shoe gear, in the process driving quarry tipper to advance, when quarry tipper is in light condition, only need open the first engine installation, quarry tipper is driven by the first engine installation, when quarry tipper is in fully laden, open the first engine installation and the second engine installation simultaneously, thus drive quarry tipper by the first engine installation and the second engine installation, can optionally close according to the size of load on quarry tipper or open the second engine installation, or manually select the quantity of opening variable-dis-placement motor, the output speed of variable-dis-placement motor can be changed like this, thus improve the control ability of quarry tipper and the drive efficiency of engine installation.
Further, described first engine installation and the second engine installation all adopt hydraulically powered form, thus actv. improves the amount that quarry tipper bears load, in addition, be provided with the rear driving axle with differential locking-device function in first engine installation, different in inside and outside wheel hand and damage that is that cause can be effectively reduced when quarry tipper is turned like this.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Wherein, 1 to be the first driving engine, 2 be the second driving engine, 3 is auxiliary gear box, 4 be the first controllable capacity pump, 5 be the second controllable capacity pump, 6 be ternary pump, 7 be the first variable-dis-placement motor, 8 be the second variable-dis-placement motor, 9 be ternary motor, 10 be the 4th variable-dis-placement motor, 11 to be the 5th variable-dis-placement motor, 12 be the 6th variable-dis-placement motor, 13 is the second rear wheel for rear driving axle, 14 be the first gear collector-shoe gear, 15 be the second gear collector-shoe gear, 16 be the 3rd gear collector-shoe gear, 17 is the first rear wheel, 18.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail:
With reference to figure 1, single bridge fluid pressure drive device of large-scale mine dumping car of the present invention comprises the first engine installation, second engine installation, the the first gear collector-shoe gear 14 rotated for driving the first rear wheel 17 of quarry tipper and the second gear collector-shoe gear 15 for driving the second rear wheel 18 of quarry tipper to rotate, described first engine installation is provided with two output shafts, first gear collector-shoe gear 14 and the second gear collector-shoe gear 15 are equipped with two input shafts, two output shafts on first engine installation are connected with an input shaft of the first gear collector-shoe gear 14 and an input shaft of the second gear collector-shoe gear 15 respectively, second engine installation is provided with two output shafts, and two output shafts on the second engine installation are connected with another input shaft of the first gear collector-shoe gear 14 and another input shaft of the second gear collector-shoe gear 15 respectively.
Described first engine installation comprises the first driving engine 1, auxiliary gear box 3 and the first driving system, the output shaft of the first driving engine 1 is connected by the axle drive shaft of auxiliary gear box 3 with the first driving system, first driving system is provided with two output shafts, two output shafts in first driving system are connected with the input shaft of the first gear collector-shoe gear 14 and the input shaft of the second gear collector-shoe gear 15 respectively, first driving system comprises the first controllable capacity pump 4, second controllable capacity pump 5, first variable-dis-placement motor 7, second variable-dis-placement motor 8, ternary motor 9, 4th variable-dis-placement motor 10, 3rd gear collector-shoe gear 16 and the rear driving axle 13 with differential locking-device function, auxiliary gear box 3 is provided with two output shafts, two output shafts on auxiliary gear box 3 are connected with the axle drive shaft of the first controllable capacity pump 4 and the axle drive shaft of the second controllable capacity pump 5 respectively, the first actuator port on the first actuator port on first controllable capacity pump 4 and the second controllable capacity pump 5 by pipeline and after pipe respectively with the first actuator port on the first variable-dis-placement motor 7, the first actuator port on second variable-dis-placement motor 8, the first actuator port on the first actuator port on ternary motor 9 and the 4th variable-dis-placement motor 10 is connected, the second actuator port on the second actuator port on first controllable capacity pump 4 and the second controllable capacity pump 5 by pipeline and after pipe respectively with the second actuator port on the first variable-dis-placement motor 7, the second actuator port on second variable-dis-placement motor 8, the second actuator port on the second actuator port on ternary motor 9 and the 4th variable-dis-placement motor 10 is connected, the output shaft of the first variable-dis-placement motor 7, the output shaft of the second variable-dis-placement motor 8, the output shaft of ternary motor 9 and the output shaft of the 4th variable-dis-placement motor 10 are connected with the input shaft of the 3rd gear collector-shoe gear 16 respectively, the output shaft of the 3rd gear collector-shoe gear 16 is connected with the input shaft of rear driving axle 13, rear driving axle 13 is provided with two output shafts, two output shafts on rear driving axle 13 are connected with the input shaft of the first gear collector-shoe gear 14 and the input shaft of the second gear collector-shoe gear 15 respectively, the output shaft of the 3rd gear collector-shoe gear 16 is connected with rear driving axle 13 by transmission shaft and universal joint assembly.
Described second engine installation comprises the second driving engine 2 and the second driving system, the output shaft of the second driving engine 2 is connected with the axle drive shaft of the second driving system, second driving system is provided with two output shafts, two output shafts in second driving system are connected with the input shaft of the first gear collector-shoe gear 14 and the input shaft of the second gear collector-shoe gear 15 respectively, second driving system comprises ternary pump 6,5th variable-dis-placement motor 11 and the 6th variable-dis-placement motor 12, the output shaft of the second driving engine 2 is connected with the axle drive shaft of ternary pump 6, the first actuator port on ternary pump 6 is connected with the first actuator port on the first actuator port on the 5th variable-dis-placement motor 11 and the 6th variable-dis-placement motor 12 respectively, the second actuator port on ternary pump 6 is connected with the second actuator port on the second actuator port on the 5th variable-dis-placement motor 11 and the 6th variable-dis-placement motor 12 respectively, the output shaft of the 5th variable-dis-placement motor 11 is connected with the input shaft of the first gear collector-shoe gear 14, the output shaft of the 6th variable-dis-placement motor 12 is connected with the input shaft of the second gear collector-shoe gear 15.
Specific works process of the present invention is:
The present invention is in driving quarry tipper traveling process, first driving engine 1 drives the first controllable capacity pump 4 and the second controllable capacity pump 5 to work by auxiliary gear box 3, high pressure oil is supplied to the first variable-dis-placement motor 7 by the first controllable capacity pump 4 and the second controllable capacity pump 5, second variable-dis-placement motor 8, ternary motor 9 and the 4th variable-dis-placement motor 10 also drive it to rotate, the first variable-dis-placement motor 7 is changed by regulating the swash plate angle direction of the first controllable capacity pump 4 and the second controllable capacity pump 5, second variable-dis-placement motor 8, the hand of rotation of ternary motor 9 and the 4th variable-dis-placement motor 10, so just, the drive torque of different directions can be produced, thus drive advance and the retrogressing of quarry tipper.
In addition, when quarry tipper is in light condition, open the first driving engine 1, first driving engine 1 drives the first controllable capacity pump 4 and the second controllable capacity pump 5 to work by auxiliary gear box 3, thus drive the first variable-dis-placement motor 7, second variable-dis-placement motor 8, ternary motor 9 and the 4th variable-dis-placement motor 10 work, the output shaft of the first variable-dis-placement motor 7, the output shaft of the second variable-dis-placement motor 8, the output shaft of ternary motor 9 and the output shaft of the 4th variable-dis-placement motor 10 drive the 3rd gear collector-shoe gear 16 to work, the output shaft of the 3rd gear collector-shoe gear 16 drives rear driving axle 13 to work, two output shafts on rear driving axle 13 drive the first gear collector-shoe gear 14 and the second gear collector-shoe gear 15 to work respectively, the output shaft of the first gear collector-shoe gear 14 and the output shaft of the second gear collector-shoe gear 15 can drive the first rear wheel 17 and the second rear wheel 18 to rotate respectively, thus order about quarry tipper and move, when quarry tipper is in fully laden, open the second driving engine 2 simultaneously, the output shaft of the second driving engine 2 drives ternary pump 6 to work, thus drive the 5th variable-dis-placement motor 11 and the 6th variable-dis-placement motor 12 to work, the work of the 5th variable-dis-placement motor 11 can strengthen the peripheral force of the first gear collector-shoe gear 14 output shaft rotation by actv., thus strengthen the twisting resistance of the first rear wheel 17 rotation, the peripheral force of enhancing second gear collector-shoe gear 15 output shaft rotation that the work of the 6th variable-dis-placement motor 12 is passable, thus the twisting resistance strengthening that the second rear wheel 18 rotates.
In addition, can manually select the quantity of opening variable-dis-placement motor according to operating mode situation, can output speed be changed like this, thus improve the adaptive ability to load, economize energy.
Claims (2)
1. single bridge fluid pressure drive device of a large-scale mine dumping car, it is characterized in that, comprise the first engine installation, the second engine installation, for the first gear collector-shoe gear (14) of driving first rear wheel (17) of quarry tipper to rotate and the second gear collector-shoe gear (15) for driving second rear wheel (18) of quarry tipper to rotate;
Described first engine installation is provided with two output shafts, first gear collector-shoe gear (14) and the second gear collector-shoe gear (15) are equipped with two input shafts, and two output shafts on the first engine installation are connected with an input shaft of the first gear collector-shoe gear (14) and an input shaft of the second gear collector-shoe gear (15) respectively; Second engine installation is provided with two output shafts, and two output shafts on the second engine installation are connected with another input shaft of the first gear collector-shoe gear (14) and another input shaft of the second gear collector-shoe gear (15) respectively;
Described first engine installation comprises the first driving engine (1), auxiliary gear box (3) and the first driving system, the output shaft of the first driving engine (1) is connected with the axle drive shaft of the first driving system by auxiliary gear box (3), first driving system is provided with two output shafts, and two output shafts in the first driving system are connected with the input shaft of the first gear collector-shoe gear (14) and the input shaft of the second gear collector-shoe gear (15) respectively;
Described first driving system comprises the first controllable capacity pump (4), second controllable capacity pump (5), first variable-dis-placement motor (7), second variable-dis-placement motor (8), ternary motor (9), 4th variable-dis-placement motor (10), 3rd gear collector-shoe gear (16) and the rear driving axle (13) with differential locking-device function, auxiliary gear box (3) is provided with two output shafts, two output shafts on auxiliary gear box (3) are connected with the axle drive shaft of the first controllable capacity pump (4) and the axle drive shaft of the second controllable capacity pump (5) respectively, the first actuator port on the first actuator port on first controllable capacity pump (4) and the second controllable capacity pump (5) by pipeline and after pipe respectively with the first actuator port on the first variable-dis-placement motor (7), the first actuator port on second variable-dis-placement motor (8), the first actuator port on the first actuator port on ternary motor (9) and the 4th variable-dis-placement motor (10) is connected, the second actuator port on the second actuator port on first controllable capacity pump (4) and the second controllable capacity pump (5) by pipeline and after pipe respectively with the second actuator port on the first variable-dis-placement motor (7), the second actuator port on second variable-dis-placement motor (8), the second actuator port on the second actuator port on ternary motor (9) and the 4th variable-dis-placement motor (10) is connected, the output shaft of the first variable-dis-placement motor (7), the output shaft of the second variable-dis-placement motor (8), the output shaft of ternary motor (9) and the output shaft of the 4th variable-dis-placement motor (10) are connected with the input shaft of the 3rd gear collector-shoe gear (16) respectively, the output shaft of the 3rd gear collector-shoe gear (16) is connected with the input shaft of rear driving axle (13), rear driving axle (13) is provided with two output shafts, two output shafts on rear driving axle (13) are connected with the input shaft of the first gear collector-shoe gear (14) and the input shaft of the second gear collector-shoe gear (15) respectively,
Described second engine installation comprises the second driving engine (2) and the second driving system, the output shaft of the second driving engine (2) is connected with the axle drive shaft of the second driving system, second driving system is provided with two output shafts, and two output shafts in the second driving system are connected with the input shaft of the first gear collector-shoe gear (14) and the input shaft of the second gear collector-shoe gear (15) respectively;
The output shaft of described 3rd gear collector-shoe gear (16) is connected with rear driving axle (13) by transmission shaft and universal joint assembly.
2. large-scale mine dumping car list bridge fluid pressure drive device according to claim 1, it is characterized in that, described second driving system comprises ternary pump (6), 5th variable-dis-placement motor (11) and the 6th variable-dis-placement motor (12), the output shaft of the second driving engine (2) is connected with the axle drive shaft of ternary pump (6), the first actuator port on ternary pump (6) is connected with the first actuator port on the first actuator port on the 5th variable-dis-placement motor (11) and the 6th variable-dis-placement motor (12) respectively, the second actuator port on ternary pump (6) is connected with the second actuator port on the second actuator port on the 5th variable-dis-placement motor (11) and the 6th variable-dis-placement motor (12) respectively, the output shaft of the 5th variable-dis-placement motor (11) is connected with the input shaft of the first gear collector-shoe gear (14), the output shaft of the 6th variable-dis-placement motor (12) is connected with the input shaft of the second gear collector-shoe gear (15).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410032362.9A CN103770636B (en) | 2014-01-23 | 2014-01-23 | A kind of large-scale mine dumping car list bridge fluid pressure drive device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410032362.9A CN103770636B (en) | 2014-01-23 | 2014-01-23 | A kind of large-scale mine dumping car list bridge fluid pressure drive device |
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| Publication Number | Publication Date |
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| CN103770636A CN103770636A (en) | 2014-05-07 |
| CN103770636B true CN103770636B (en) | 2016-03-30 |
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| CN201410032362.9A Expired - Fee Related CN103770636B (en) | 2014-01-23 | 2014-01-23 | A kind of large-scale mine dumping car list bridge fluid pressure drive device |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104015601A (en) * | 2014-06-09 | 2014-09-03 | 三一矿机有限公司 | Bi-energy integrated structure and mining dump truck |
| CN104108311B (en) * | 2014-07-21 | 2018-03-30 | 西安卓士博液压工程有限责任公司 | A kind of land leveller hydraulic motor travel driving unit |
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| CN203876576U (en) * | 2014-01-23 | 2014-10-15 | 长安大学 | Single-axle hydraulic driving device of large mining self-unloading vehicle |
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| CA2288572A1 (en) * | 1998-12-16 | 2000-06-16 | Daniel E. Shearer | Motor grader steerable by a joystick and a steering wheel |
| CN1405412A (en) * | 2001-09-14 | 2003-03-26 | 三一重工股份有限公司 | Hydrostatic drive land leveller |
| CN101220601A (en) * | 2008-01-11 | 2008-07-16 | 长沙中联重工科技发展股份有限公司 | Hydrostatic transmission grader |
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Granted publication date: 20160330 Termination date: 20180123 |