CN104385965A - Serial double-lifting mechanism for mining heavy-duty dump truck - Google Patents
Serial double-lifting mechanism for mining heavy-duty dump truck Download PDFInfo
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- CN104385965A CN104385965A CN201410647202.5A CN201410647202A CN104385965A CN 104385965 A CN104385965 A CN 104385965A CN 201410647202 A CN201410647202 A CN 201410647202A CN 104385965 A CN104385965 A CN 104385965A
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Abstract
The invention discloses a serial double-lifting mechanism for a mining heavy-duty dump truck. The serial double-lifting mechanism consists of a frame, a lifting mechanism and a carriage, wherein the lifting mechanism consists of a front lifting cylinder, a lifting frame, a middle lifting cylinder, a lifting cylinder ball pin and a lifting frame pin; a piston rod of the front lifting cylinder is hinged to the frame through the lifting cylinder ball pin; the cylinder block of the front lifting cylinder is hinged to the front end of the lifting frame through the lifting cylinder ball pin; the tail of the lifting frame is hinged to the tail of the frame through the lifting frame pin; a piston rod of the middle lifting cylinder is hinged to the middle part of the lifting frame through the lifting cylinder ball pin; the cylinder block of the middle lifting cylinder is hinged to the middle part of the carriage through the lifting cylinder ball pin; the tail of the carriage is hinged to the tail of the frame through the lifting frame pin; the carriage, the frame and the lifting frame construct a composite hinge. The impact on the serial double-lifting mechanism in a lifting process is small. The technical requirement on the hydraulic cylinder is low, and the manufacturing cost of a lifting hydraulic system is reduced; the uniform loading capacity of the frame is increased, and the service life of the mining truck is prolonged.
Description
Technical field
The present invention relates to quarry tipper field, particularly the two lifting mechanism of the mining heavy-duty tipper tandem of one.
Background technology
The lifting mechanism that current heavy mining truck adopts has load lifting cylinder forward type and load lifting cylinder middle two kinds of artificial lifting way.Wherein, preposition artificial lifting way load lifting cylinder stroke is comparatively large, and high to hydraulic actuating cylinder technical requirements, cost is very high; Lifting hydraulic system flow is comparatively large, and the lifting time is long; Lifting rear stability is poor, and road pavement conditions necessitate is higher.Mid-artificial lifting way vehicle frame stress condition is harsh, high to vehicle frame rigidity, requirement of strength; Hoisting force is comparatively large, and load lifting cylinder is hit greatly, and working process is required great effort.In addition, no matter be adopt preposition lifting or the mode of mid-lifting, when being applied on heavy mining truck, all need to adopt secondary load lifting cylinder, higher to hydraulic actuating cylinder technical requirements, cost is higher.
Summary of the invention
The object of this invention is to provide the two lifting mechanism of a kind of mining heavy-duty tipper tandem.
The present invention is made up of vehicle frame, lifting mechanism and compartment,
Described lifting mechanism is made up of preposition load lifting cylinder, lifting frame, mid-load lifting cylinder, load lifting cylinder ball pin and lifting frame pin;
The piston rod of preposition load lifting cylinder is hinged by load lifting cylinder ball pin and vehicle frame, the cylinder body of preposition load lifting cylinder pass through load lifting cylinder ball pin and lifting frame front end hinged; Lifting frame afterbody by lifting frame pin and vehicle frame afterbody hinged; The piston rod of mid-load lifting cylinder is hinged by the middle part of load lifting cylinder ball pin and lifting frame, and the cylinder body of mid-load lifting cylinder is by hinged in the middle part of load lifting cylinder ball pin and compartment; The afterbody in compartment by lifting frame pin and vehicle frame afterbody hinged, compartment and vehicle frame, lifting frame form compound hinges.
Working process of the present invention and principle as follows:
First preposition load lifting cylinder carries out lifting action, and lifting frame and compartment are rotated around lifting frame pin, and along with the increase of its rotational angle, materials in carriage starts to topple over.After preposition load lifting cylinder arrives full extension state, mid-load lifting cylinder carries out lifting action again, now, interior divides material to topple over, and mid-load lifting cylinder bearing capacity reduces, and the hoisting force of needs diminishes, therefore lifting process is hit reduction, and the force-bearing situation of vehicle frame is improved; After mid-load lifting cylinder arrives full extension state, two sections of lifting process terminate, and now cabin floor inclination angle can reach more than 45 °, and contained material can completion of discharge.In whole process, the successively work of preposition load lifting cylinder and mid-load lifting cylinder, all adopts one-stage hydraulic cylinder that carriage lifting just can be made to the height of needs.
Preposition load lifting cylinder, mid-load lifting cylinder and lifting frame form the two lifting mechanism of tandem, under the prerequisite that content with funtion requires, the stroke of preposition load lifting cylinder can not only be reduced, improve its stability, reduce the flow of hoisting system, the impact suffered by mid-load lifting cylinder can also be reduced, improve the force-bearing situation of vehicle frame; In addition, the structure of segmentation lifting makes preposition load lifting cylinder and mid-load lifting cylinder all can adopt one-level load lifting cylinder, lower to the technical requirements of hydraulic actuating cylinder, reduces the manufacturing cost of lifting hydraulic system; Lifting frame relatively simple for structure, size is less compared to vehicle frame, more easily ensures working accuracy, can improve all carrying property of vehicle frame to a certain extent; The two lifting mechanism of tandem can improve the force-bearing situation of vehicle frame, extends the service life of mine car, improves the reliability of mine car.
Beneficial effect of the present invention:
1, the two lifting mechanism of tandem to be hit reduction at lifting process, and the force-bearing situation of vehicle frame is improved, and the tandem pair technical requirements of lifting mechanism to hydraulic actuating cylinder is lower, reduces the manufacturing cost of lifting hydraulic system.
2, lifting frame is relatively simple for structure, improves all carrying property of vehicle frame, extends the service life of mine car.
Accompanying drawing explanation
Fig. 1 is schematic perspective view of the present invention.
Fig. 2 is the preposition load lifting cylinder operating diagram of the present invention.
Fig. 3 is the mid-load lifting cylinder operating diagram of the present invention.
Detailed description of the invention
Refer to shown in Fig. 1, Fig. 2 and Fig. 3, the present embodiment is made up of vehicle frame 1, lifting mechanism 2 and compartment 3,
Described lifting mechanism 2 is made up of preposition load lifting cylinder 21, lifting frame 22, mid-load lifting cylinder 23, load lifting cylinder ball pin 24 and lifting frame pin 25;
The piston rod of preposition load lifting cylinder 21 is hinged by load lifting cylinder ball pin 24 and vehicle frame 1, and the cylinder body of preposition load lifting cylinder 21 is hinged by load lifting cylinder ball pin 24 and lifting frame 22 front end; Lifting frame 22 afterbody is hinged by lifting frame pin 25 and vehicle frame 1 afterbody; The piston rod of mid-load lifting cylinder 23 is hinged with the middle part of lifting frame 22 by load lifting cylinder ball pin 24, and the cylinder body of mid-load lifting cylinder 23 is by hinged in the middle part of load lifting cylinder ball pin 24 and compartment 3; The afterbody in compartment 3 is hinged by lifting frame pin 25 and vehicle frame 1 afterbody, and compartment 3 and vehicle frame 1, lifting frame 22 form compound hinges.
Working process of the present invention and principle as follows:
As shown in Figure 2, first preposition load lifting cylinder 21 carries out lifting action, and lifting frame 22 and compartment 3 are rotated around lifting frame pin 25, and along with the increase of its rotational angle, in compartment 3, material starts to topple over.After preposition load lifting cylinder 21 arrives full extension state, mid-load lifting cylinder 23 carries out lifting action again, as shown in Figure 3, now, in compartment 3, partial material is toppled over, and mid-load lifting cylinder 23 bearing capacity reduces, and the hoisting force of needs diminishes, therefore lifting process is hit reduction, and the force-bearing situation of vehicle frame 1 is improved; After mid-load lifting cylinder 23 arrives full extension state, two sections of lifting process terminate, and now base plate inclination angle, compartment 3 can reach more than 45 °, and contained material can completion of discharge.In whole process, the successively work of preposition load lifting cylinder 21 and mid-load lifting cylinder 23, all adopts one-stage hydraulic cylinder that compartment 3 just can be made to give rise to the height of needs.
Preposition load lifting cylinder 21, mid-load lifting cylinder 23 and lifting frame 22 form the two lifting mechanism of tandem, under the prerequisite that content with funtion requires, the stroke of preposition load lifting cylinder 21 can not only be reduced, improve its stability, reduce the flow of hoisting system, the impact suffered by mid-load lifting cylinder 23 can also be reduced, improve the force-bearing situation of vehicle frame 1; In addition, the structure of segmentation lifting makes preposition load lifting cylinder 21 and mid-load lifting cylinder 23 all can adopt one-level load lifting cylinder, lower to the technical requirements of hydraulic actuating cylinder, reduces the manufacturing cost of lifting hydraulic system; Lifting frame 22 relatively simple for structure, size is less compared to vehicle frame 1, more easily ensures working accuracy, can improve all carrying property of vehicle frame to a certain extent; The two lifting mechanism of tandem can improve the force-bearing situation of vehicle frame, extends the service life of mine car, improves the reliability of mine car.
Claims (1)
1. a mining heavy-duty tipper tandem lifting mechanism, it is characterized in that: be by vehicle frame (1), lifting mechanism (2) and compartment (3) are formed, lifting mechanism (2) is by preposition load lifting cylinder (21), lifting frame (22), mid-load lifting cylinder (23), load lifting cylinder ball pin (24) and lifting frame pin (25) composition, the piston rod of preposition load lifting cylinder (21) is hinged by load lifting cylinder ball pin (24) and vehicle frame (1), the cylinder body of preposition load lifting cylinder (21) is hinged by load lifting cylinder ball pin (24) and lifting frame (22) front end, lifting frame (22) afterbody is hinged by lifting frame pin (25) and vehicle frame (1) afterbody, the piston rod of mid-load lifting cylinder (23) is hinged with the middle part of lifting frame (22) by load lifting cylinder ball pin (24), and the cylinder body of mid-load lifting cylinder (23) is hinged with middle part, compartment (3) by load lifting cylinder ball pin (24), the afterbody in compartment (3) is hinged by lifting frame pin (25) and vehicle frame (1) afterbody, and compartment (3) and vehicle frame (1), lifting frame (22) form compound hinges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410647202.5A CN104385965A (en) | 2014-11-14 | 2014-11-14 | Serial double-lifting mechanism for mining heavy-duty dump truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410647202.5A CN104385965A (en) | 2014-11-14 | 2014-11-14 | Serial double-lifting mechanism for mining heavy-duty dump truck |
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| Publication Number | Publication Date |
|---|---|
| CN104385965A true CN104385965A (en) | 2015-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410647202.5A Pending CN104385965A (en) | 2014-11-14 | 2014-11-14 | Serial double-lifting mechanism for mining heavy-duty dump truck |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105819384A (en) * | 2016-04-14 | 2016-08-03 | 北京航天发射技术研究所 | Connecting rod amplification type lifting mechanism |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1388459A1 (en) * | 2002-08-09 | 2004-02-11 | Sthik | Dump body with a vibrating rear end part |
| CN2618810Y (en) * | 2003-04-23 | 2004-06-02 | 何义茅 | Three tilting self unloading vehicle lifting mechanism |
| DE60111894T2 (en) * | 2000-06-06 | 2006-04-20 | Forez Bennes Industries (S.A.) | Truck with tiltable trough |
| CN201613839U (en) * | 2009-11-03 | 2010-10-27 | 中国国际海运集装箱(集团)股份有限公司 | Dump truck |
| CN102390306A (en) * | 2011-10-28 | 2012-03-28 | 济南液压泵有限责任公司 | Hydraulic lifting device for dump truck |
| CN204547873U (en) * | 2014-11-14 | 2015-08-12 | 内蒙古北方重型汽车股份有限公司 | The two lifting mechanism of a kind of mining heavy-duty tipper tandem |
-
2014
- 2014-11-14 CN CN201410647202.5A patent/CN104385965A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE60111894T2 (en) * | 2000-06-06 | 2006-04-20 | Forez Bennes Industries (S.A.) | Truck with tiltable trough |
| EP1388459A1 (en) * | 2002-08-09 | 2004-02-11 | Sthik | Dump body with a vibrating rear end part |
| CN2618810Y (en) * | 2003-04-23 | 2004-06-02 | 何义茅 | Three tilting self unloading vehicle lifting mechanism |
| CN201613839U (en) * | 2009-11-03 | 2010-10-27 | 中国国际海运集装箱(集团)股份有限公司 | Dump truck |
| CN102390306A (en) * | 2011-10-28 | 2012-03-28 | 济南液压泵有限责任公司 | Hydraulic lifting device for dump truck |
| CN204547873U (en) * | 2014-11-14 | 2015-08-12 | 内蒙古北方重型汽车股份有限公司 | The two lifting mechanism of a kind of mining heavy-duty tipper tandem |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105819384A (en) * | 2016-04-14 | 2016-08-03 | 北京航天发射技术研究所 | Connecting rod amplification type lifting mechanism |
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Application publication date: 20150304 |