CN108106875B - Mechanism for detecting lifting capacity of hydraulic lifting device of tractor - Google Patents
Mechanism for detecting lifting capacity of hydraulic lifting device of tractor Download PDFInfo
- Publication number
- CN108106875B CN108106875B CN201810108605.0A CN201810108605A CN108106875B CN 108106875 B CN108106875 B CN 108106875B CN 201810108605 A CN201810108605 A CN 201810108605A CN 108106875 B CN108106875 B CN 108106875B
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- 239000010720 hydraulic oil Substances 0.000 claims description 11
- 238000001514 detection method Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/005—Testing of complete machines, e.g. washing-machines or mobile phones
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Machines For Laying And Maintaining Railways (AREA)
- Agricultural Machines (AREA)
Abstract
A mechanism for detecting lifting capacity of a tractor hydraulic lifting device comprises a hydraulic cylinder, a sliding rail, a pulley, a fixing device at the upper end of the hydraulic cylinder, a cylindrical pin with a hole, a sector safety pin, a Y-shaped hanging rod piece, a trapezoid groove and a slotted hole; the Y-shaped hanging rod piece is connected with the hydraulic cylinder through a cylindrical pin with holes and a fan-shaped safety pin to form an integral mechanism; the hydraulic cylinder is provided with a pulley, and can freely move on the sliding rail through the pulley; the telescopic end of the hydraulic cylinder is connected with the Y-shaped hanging rod piece through the fixing device, the cylindrical pin with holes and the fan-shaped safety pin, the bottom of the hydraulic cylinder is provided with a weight, and the hydraulic cylinder is vertical to the sliding rail when the hydraulic cylinder is at rest; the two ends of the upper part of the Y-shaped hanging rod piece are provided with trapezoid grooves, and groove holes are formed in the groove walls of the trapezoid grooves. The invention can realize semiautomatic rapid alignment and hanging, lighten the working intensity of workers, and improve the safety coefficient during hanging operation and the detection efficiency of the delivery detection of the tractor.
Description
Technical Field
The invention relates to the technical field of agricultural machinery detection, in particular to a mechanism for detecting lifting capacity of a hydraulic suspension lifting device of a tractor.
Background
The tractor is subjected to complete machine qualification detection before leaving the factory, and the detection of the hydraulic lifting device is an important link in which a worker is used for hanging the hydraulic cylinder and the tractor through a rod piece and a chain. The traditional hitching mechanism is a metal round rod, two ends of a rod piece are inserted into a pin hole of a lower pull rod of the tractor, and the middle of the rod piece is connected with a hydraulic cylinder by a metal hook with a chain. The rod piece and the chain need to be lifted by workers, so that the working strength of the workers is increased. When the round rod is hung, the round rod cannot be accurately inserted into the lower pull rod pin hole, a worker is required to repeatedly operate, a large amount of time is consumed, and the high-rhythm tractor is not beneficial to detecting the beat.
Disclosure of Invention
The invention provides a mechanism for detecting lifting capacity of a hydraulic lifting device of a tractor, and aims to solve the problems that in the process of detecting the qualification of the tractor, a lower pull rod of the tractor is difficult to be connected with a hydraulic oil cylinder in a hanging mode, and the time is long.
The invention comprises a hydraulic cylinder, a sliding rail, a pulley, a fixing device at the upper end of the hydraulic cylinder, a cylindrical pin with holes, a sector safety pin, a Y-shaped hanging rod piece, a trapezoid groove and a slotted hole;
the Y-shaped hanging rod piece is connected with the hydraulic cylinder through a cylindrical pin with holes and a fan-shaped safety pin to form an integral mechanism; the hydraulic cylinder is provided with a pulley, and can freely move on the sliding rail through the pulley; the telescopic end of the hydraulic cylinder is connected with the Y-shaped hanging rod piece through the fixing device, the cylindrical pin with holes and the fan-shaped safety pin, the bottom of the hydraulic cylinder is provided with a weight, and the hydraulic cylinder is vertical to the sliding rail when the hydraulic cylinder is at rest; the two ends of the upper part of the Y-shaped hanging rod piece are provided with trapezoid grooves, and groove holes are formed in the groove walls of the trapezoid grooves.
The trapezoid groove is horn-shaped, and has a large opening facing the direction of the lower pull rod of the tractor and a small opening facing away from the direction of the lower pull rod of the tractor. The section of the trapezoid-shaped groove along the central line is isosceles trapezoid. The section of the trapezoid-shaped groove along the central line is isosceles trapezoid; the slotted hole is in a round angle rectangle, the length of the slotted hole is twice the width of the slotted hole, and the width of the slotted hole is equal to the diameter of a pin hole on a lower pull rod of the tractor; the slotted hole and the pin hole of the tractor lower pull rod can be matched in the horizontal direction, and the reserved space in the vertical direction of the slotted hole can adapt to slight change of the height of the tractor lower pull rod.
The application process of the invention comprises the following steps:
the sliding rail is arranged in a pit at the tail of the tractor to be tested and is fixed on a concrete building table in the pit by bolts. The sliding rail is parallel to the ground where the tractor to be tested is positioned, and a mechanism consisting of the hydraulic oil cylinder and the Y-shaped hanging rod piece slides on the sliding rail through a pulley to keep the center of the slotted hole and the center of the pin hole of the lower pull rod of the tractor on the same straight line as much as possible. When the height change of the lower pull rod of the tractor with different horsepower is large, the height of the Y-shaped hanging rod piece can be changed by adjusting the matching of the pin hole and the pin of the fixing device at the upper end of the hydraulic oil cylinder.
The slotted hole on the Y-shaped hanging rod piece and the pin hole of the tractor lower pull rod are approximately at the same height, the mechanism is moved along a horizontal straight line, when the trapezoid groove is contacted with the tractor lower pull rod, the tractor lower pull rod can automatically reset under the extrusion of the trapezoid groove arm because the tractor lower pull rod can slightly swing, the reserved space in the vertical direction of the slotted hole can adapt to slight change of the height of the tractor lower pull rod, and when the slotted hole is matched with the pin hole of the tractor lower pull rod in the horizontal direction, the moving mechanism is stopped. The taper pin is inserted into the slotted hole and is locked by the safety ring collar, thus completing the hooking operation.
The beneficial effects of the invention are as follows:
the invention realizes that the hanging rod piece is not required to be lifted by a worker, reduces the working intensity of the worker and improves the safety coefficient during the hanging operation. The invention can realize semi-automatic quick alignment and hanging, shortens the time consumed by the detection of the hydraulic device of the tractor during hanging, effectively ensures the detection efficiency of the delivery detection of the tractor, and has stronger popularization and application values.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a front end view of the Y-shaped hitch bar of the present invention.
Fig. 3 is a sectional view a-a in fig. 2.
FIG. 4 is a schematic diagram of the present invention for detecting the lifting capacity of a tractor hydraulic lifting device.
Fig. 5 is a schematic view of the present invention engaged with a tractor lower link pin hole.
Fig. 6 is a process diagram of the present invention mated with a tractor draw bar.
Wherein: 1-a hydraulic cylinder; 2-a slide rail; 3-pulley; 4-a fixing device; 5-cylindrical pins with holes; 6-sector safety pin; 7-Y-shaped hanging rod pieces; 8-a trapezoid groove; 9-a slot; 10-tractor to be tested; 11-tractor pull-down rod; 12-taper pin; 13-a safety ring collar; 14-end.
Detailed Description
As shown in fig. 1, 2 and 3, the invention comprises a hydraulic cylinder 1, a sliding rail 2, a pulley 3, a hydraulic cylinder upper end fixing device 4, a cylindrical pin 5 with holes, a sector safety pin 6, a Y-shaped hanging rod piece 7, a trapezoid slot 8 and a slot hole 9;
the Y-shaped hanging rod piece 7 and the hydraulic cylinder 1 are connected through a cylindrical pin 5 with holes and a fan-shaped safety pin 6 to form an integral mechanism; the pulley 3 is arranged on the hydraulic cylinder 1, and the hydraulic cylinder 1 can freely move on the sliding rail 2 through the pulley 3; the telescopic end of the hydraulic cylinder 1 is connected with a Y-shaped hanging rod piece 7 through a fixing device 4, a cylindrical pin 5 with holes and a fan-shaped safety pin 6, a weight is arranged at the bottom of the hydraulic cylinder 1, and the hydraulic cylinder 1 is vertical to the sliding rail 2 when the hydraulic cylinder is at rest; the two ends 14 at the upper part of the Y-shaped hanging rod piece 7 are respectively provided with a trapezoid groove 8, and the groove wall of the trapezoid groove 8 is provided with a groove hole 9.
As shown in fig. 2 and 3, the trapezoid groove 8 is in a horn shape, and has a large opening facing the direction of the lower pull rod 11 of the tractor and a small opening facing away from the direction of the lower pull rod 11 of the tractor; the section of the trapezoid-shaped groove 8 along the central line is isosceles trapezoid; the slot 9 is in a round rectangle, the length of the slot 9 is twice the width of the slot 9, and the width of the slot 9 is equal to the diameter of a pin hole on the tractor pull-down rod 11; the slotted hole 9 and the pin hole of the tractor lower pull rod 11 can be matched in the horizontal direction, and the space reserved in the vertical direction of the slotted hole 9 can adapt to slight change of the height of the tractor lower pull rod 11.
The application process of the invention comprises the following steps:
as shown in fig. 4, the slide rail 2 is placed in a pit at the tail of the tractor 10 to be tested and fixed on a concrete building table in the pit by screws. The sliding rail 2 is parallel to the ground where the tractor 10 to be tested is positioned, and a mechanism consisting of the hydraulic oil cylinder 1 and the Y-shaped hanging rod piece 7 slides on the sliding rail 2 through the pulley 3, so that the center of the slotted hole 9 and the center of the pin hole of the tractor lower pull rod 11 are kept on the same straight line as much as possible. When the height of the lower pull rod 11 of the tractor with different horsepower is greatly changed, the height of the Y-shaped hanging rod piece 11 can be changed by adjusting the matching of the pin hole and the pin of the fixing device 4 at the upper end of the hydraulic oil cylinder 1.
As shown in fig. 5 and 6, the slot hole 9 on the Y-shaped hitching member 7 and the pin hole of the tractor lower pull rod 11 are at approximately the same height, the mechanism is moved along a horizontal straight line, when the trapezoid slot 8 is contacted with the tractor lower pull rod 11, the tractor lower pull rod 11 can automatically reset under the extrusion of the slot arm of the trapezoid slot 8 because the tractor lower pull rod 11 can slightly swing, the space reserved in the vertical direction of the slot hole 9 can adapt to slight change of the height of the tractor lower pull rod 11, and the moving mechanism is stopped when the slot hole 9 is matched with the pin hole of the tractor lower pull rod 11 in the horizontal direction. A conical pin 12 is inserted into the slot 9 and locked with a safety ring collar 13. And (5) completing the hooking operation.
Claims (2)
1. A mechanism for detecting the lifting capacity of a tractor hydraulic lifting device, characterized in that: the hydraulic cylinder comprises a hydraulic cylinder (1), a sliding rail (2), a pulley (3), a hydraulic cylinder upper end fixing device (4), a cylindrical pin with holes (5), a fan-shaped safety pin (6), a Y-shaped hanging rod piece (7), a trapezoid groove (8) and a slot hole (9);
the Y-shaped hanging rod piece (7) and the hydraulic cylinder (1) are connected through a cylindrical pin (5) with holes and a sector safety pin (6) to form an integral mechanism; the pulley (3) is arranged on the hydraulic oil cylinder (1), and the hydraulic oil cylinder (1) can freely move on the sliding rail (2) through the pulley (3); the telescopic end of the hydraulic oil cylinder (1) is connected with a Y-shaped hanging rod piece (7) through a fixing device (4), a cylindrical pin with holes (5) and a fan-shaped safety pin (6), a weight is arranged at the bottom of the hydraulic oil cylinder (1), and the hydraulic oil cylinder (1) is vertical to the sliding rail (2) when the hydraulic oil cylinder is stationary; the two ends (14) at the upper part of the Y-shaped hanging rod piece (7) are provided with trapezoid grooves (8), and slotted holes (9) are formed in the walls of the trapezoid grooves (8).
2. A mechanism for detecting lifting capacity of a tractor hydraulic lifting device as recited in claim 1, wherein: the trapezoid groove (8) is horn-shaped, and has a large opening facing the direction of the lower pull rod (11) of the tractor and a small opening facing away from the direction of the lower pull rod (11) of the tractor; the section of the trapezoid-shaped groove (8) along the central line is isosceles trapezoid; the slot hole (9) is in a round rectangle, the length of the slot hole (9) is twice as long as the width of the slot hole (9), and the width of the slot hole (9) is equal to the diameter of a pin hole on the lower pull rod (11) of the tractor; the slotted hole (9) can be matched with the pin hole of the tractor lower pull rod (11) in the horizontal direction, and the space reserved in the vertical direction of the slotted hole (9) can adapt to slight change of the height of the tractor lower pull rod (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810108605.0A CN108106875B (en) | 2018-02-03 | 2018-02-03 | Mechanism for detecting lifting capacity of hydraulic lifting device of tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810108605.0A CN108106875B (en) | 2018-02-03 | 2018-02-03 | Mechanism for detecting lifting capacity of hydraulic lifting device of tractor |
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| Publication Number | Publication Date |
|---|---|
| CN108106875A CN108106875A (en) | 2018-06-01 |
| CN108106875B true CN108106875B (en) | 2024-02-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810108605.0A Active CN108106875B (en) | 2018-02-03 | 2018-02-03 | Mechanism for detecting lifting capacity of hydraulic lifting device of tractor |
Country Status (1)
| Country | Link |
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| CN (1) | CN108106875B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109089446B (en) * | 2018-09-20 | 2024-01-02 | 吉林大学 | A quick automatic hooking mechanism for tractor detects |
| CN110501101B (en) * | 2019-09-02 | 2024-02-20 | 吉林大学 | Automatic hooking device for measuring hydraulic lifting force of tractor |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2140627C1 (en) * | 1997-01-10 | 1999-10-27 | Иркутская государственная сельскохозяйственная академия | Hydromechanical pulling-braking apparatus for technical diagnostics of transport vehicles |
| CN201269792Y (en) * | 2008-09-16 | 2009-07-08 | 江苏悦达盐城拖拉机制造有限公司 | Pulling force and static settlement hydraulic test device for raiser of tractor |
| EP2082637A1 (en) * | 2008-01-27 | 2009-07-29 | Claas Saulgau Gmbh | Agricultural machine with a swivelling and fixable middle drawbar |
| CN201688976U (en) * | 2010-04-20 | 2010-12-29 | 洛阳西苑车辆与动力检验所有限公司 | Tractor suspender lifting capability test bed |
| CN102252920A (en) * | 2011-04-28 | 2011-11-23 | 株洲时代新材料科技股份有限公司 | Three-way coordinative loading testing method and device for torsion bar system |
| CN203811312U (en) * | 2014-04-16 | 2014-09-03 | 山东省农业机械科学研究院 | Novel tractor maximum lifting force test connection device |
| CN207751706U (en) * | 2018-02-03 | 2018-08-21 | 吉林大学 | A kind of mechanism for detecting tractor hydraulic lifting device hoisting power |
-
2018
- 2018-02-03 CN CN201810108605.0A patent/CN108106875B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2140627C1 (en) * | 1997-01-10 | 1999-10-27 | Иркутская государственная сельскохозяйственная академия | Hydromechanical pulling-braking apparatus for technical diagnostics of transport vehicles |
| EP2082637A1 (en) * | 2008-01-27 | 2009-07-29 | Claas Saulgau Gmbh | Agricultural machine with a swivelling and fixable middle drawbar |
| CN201269792Y (en) * | 2008-09-16 | 2009-07-08 | 江苏悦达盐城拖拉机制造有限公司 | Pulling force and static settlement hydraulic test device for raiser of tractor |
| CN201688976U (en) * | 2010-04-20 | 2010-12-29 | 洛阳西苑车辆与动力检验所有限公司 | Tractor suspender lifting capability test bed |
| CN102252920A (en) * | 2011-04-28 | 2011-11-23 | 株洲时代新材料科技股份有限公司 | Three-way coordinative loading testing method and device for torsion bar system |
| CN203811312U (en) * | 2014-04-16 | 2014-09-03 | 山东省农业机械科学研究院 | Novel tractor maximum lifting force test connection device |
| CN207751706U (en) * | 2018-02-03 | 2018-08-21 | 吉林大学 | A kind of mechanism for detecting tractor hydraulic lifting device hoisting power |
Non-Patent Citations (1)
| Title |
|---|
| 拖拉机液压伺服提升自动称重装置的试验分析;吴国祯等;农业工程学报;全文 * |
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| CN108106875A (en) | 2018-06-01 |
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