CN202661270U - Vertical automatic regulation device for hydraulic lifting test bed of tractor - Google Patents
Vertical automatic regulation device for hydraulic lifting test bed of tractor Download PDFInfo
- Publication number
- CN202661270U CN202661270U CN 201220225354 CN201220225354U CN202661270U CN 202661270 U CN202661270 U CN 202661270U CN 201220225354 CN201220225354 CN 201220225354 CN 201220225354 U CN201220225354 U CN 201220225354U CN 202661270 U CN202661270 U CN 202661270U
- Authority
- CN
- China
- Prior art keywords
- side plate
- guide rail
- hydraulic lifting
- base
- dolly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model provides a vertical automatic regulation device for a hydraulic lifting test bed of a tractor. The vertical automatic regulation device comprises a base, wherein a side plate is arranged on the base; a guide rail is arranged on the base; an upper guide rail and a lower guide rail are arranged on a second side plate; a first traveling wheel is arranged between the upper guide rail and the lower guide rail; a second traveling wheel is arranged between the upper guide rail and the lower guide rail; the first traveling wheel and the second traveling wheel are connected with a trolley; a slot is formed at the bottom of the trolley; an insert is arranged in the slot and is connected with a nut; the nut is arranged on a lead screw; the lead screw is arranged on the base; one end of the lead screw is connected with an output shaft of a servo motor; a hinge seat is arranged on the top of the trolley and is hinged with a loading cylinder; an inclination sensor is arranged at the upper part of the loading cylinder; and the inclination sensor and the servo motor are connected with the controller through a wire. According to the vertical automatic regulation device, the loading cylinder can be kept perpendicular to the ground in the lifting process, the loading force direction in the lifting process is consistent with the gravity direction of the simulated farm tool, and the loading error is eliminated.
Description
Technical field
[0001] the utility model relates to a kind of tractor hydraulic lifting test platform, specifically the vertical self-checking device of a kind of tractor hydraulic lifting test platform.
Background technology
Tractor Hydraulic Lift Capacity test is Tractor Products to be carried out numerous performances detect basic, a necessary test in the test.There is pouring weight to load and the oil cylinder loading to the main loading method of the test of Tractor Hydraulic Lift Capacity both at home and abroad.Pouring weight loads and shows as all the time vertical power, meet standard-required, but load can not change continuously, not accurate enough during the test feed pull maximum, this load mode is simple but inconvenient, needs a large amount of pouring weights and counterweight, and can only carry out lifting force test and quiet settling test.Oil cylinder loads more convenient, realizes the continuous variation of load by the set pressure value of adjusting surplus valve, but will make the loading cylinder can't remain perpendicular to the ground in lifting process, and is variant with the operating condition of test of standard-required, has loading error.
The utility model content
The purpose of this utility model provides the vertical self-checking device of a kind of tractor hydraulic lifting test platform, it can make load cylinder remain perpendicular to the ground in lifting process, guarantee that loading force is consistent with the farm implements gravity direction of simulating in the lifting process, eliminate loading error.
The utility model for achieving the above object, be achieved through the following technical solutions: comprise base, the first side plate and the second side plate are installed on the base, the first upper rail and the first lower guideway are installed on the first side plate, the second upper rail and the second lower guideway are installed on the second side plate, the first row travelling wheel is installed between the first upper rail and the first lower guideway, the second road wheel is installed between the second upper rail and the second lower guideway, the first row travelling wheel be connected road wheel and all be connected with dolly, slot is offered in the dolly bottom surface, and inserted sheet is installed in the slot, inserted sheet is connected with screw, screw is installed on the leading screw, and leading screw is installed on the base, and leading screw one end is connected with the output shaft of servomotor, even hinge block is installed at the dolly top, even hinge block and load cylinder are hinged, and load cylinder top mounted angle sensor, obliquity sensor and servomotor all are connected with controller by wire.Between the first side plate and the second side plate one end baffle plate is installed, stay-supported type displacement sensor is installed on the baffle plate, the cable end of stay-supported type displacement sensor is connected with dolly.Handwheel is installed in the leading screw end.Air level is installed on the load cylinder.
The utility model has the advantage of: can make load cylinder in lifting process, remain perpendicular to the ground, guarantee that loading force is consistent with the farm implements gravity direction of simulating in the lifting process, eliminate loading error, load cylinder when work to leading screw without pressure, long service life, but the angle manual adjustments of load cylinder etc.
Description of drawings
Fig. 1 is the utility model structural representation; Fig. 2 is the A-A sectional structure schematic diagram of Fig. 1; Fig. 3 is I section structure for amplifying schematic diagram among Fig. 1.
Embodiment
The vertical self-checking device of tractor hydraulic lifting test platform described in the utility model, comprise base 1, the first side plate 2 and the second side plate 3 are installed on the base 1, the first upper rail 4 and the first lower guideway 5 are installed on the first side plate 2, the second upper rail 6 and the second lower guideway 7 are installed on the second side plate 3, the first row travelling wheel 8 is installed between the first upper rail 4 and the first lower guideway 5, the second road wheel 9 is installed between the second upper rail 6 and the second lower guideway 7, the first row travelling wheel 8 be connected road wheel 9 and all be connected with dolly 10, slot 11 is offered in dolly 10 bottom surfaces, slot 11 interior installation inserted sheets 12, inserted sheet 12 is connected with screw 13, screw 13 is installed on the leading screw 14, and leading screw 14 is installed on the base 1, and leading screw 14 1 ends are connected with the output shaft of servomotor 15, even hinge block 16 is installed at dolly 10 tops, even hinge block 16 is hinged with load cylinder 17, and load cylinder 17 top mounted angle sensors 18, obliquity sensor 18 are connected with servomotor and all are connected with controller 19 by wire.During test, the angle of inclination of obliquity sensor 18 Real-Time Monitoring load cylinders 17, when the angle of inclination of load cylinder 17 exceeds the range of tolerable variance of regulation, controller 19 sends pulse signal according to the actual angle of inclination of load cylinder 17 to servomotor 15, making servomotor 15 drive dolly 10 by leading screw 14, screw 13 and inserted sheet 12 moves along guide rail, angle to load cylinder 17 is regulated, until the angle of inclination of load cylinder 17 is adjusted in the range of tolerable variance of regulation.Are connected with slot by inserted sheet 12 between screw 13 and the dolly 10 and are connected, can between dolly 10 and screw 13, reserve suitable degree of freedom, to the pressure of screw 13 and leading screw 14, prevent leading screw 14 compressive deformations when eliminating load cylinder 17 work, be conducive to prolong serviceable life of the present utility model.
The utility model is for displacement data that can Real-Time Monitoring load cylinder 17, baffle plate 20 can be installed between the first side plate 2 and the second side plate 3 one ends, stay-supported type displacement sensor 21 is installed on the baffle plate 20, and the cable end of stay-supported type displacement sensor 21 is connected with dolly 10.Along with the movement of dolly 10, stay-supported type displacement sensor 21 can be transferred to the displacement data of load cylinder 17 controller 19, is convenient to controller 19 and according to the displacement data of load cylinder 17 position of dolly 10 is adjusted.
The utility model accurately judges whether load cylinder 17 is perpendicular to the ground during for the ease of operator's manual rotation leading screw 14, can air levels 23 be installed at load cylinder 17.The operator can judge whether load cylinder 17 is perpendicular to the ground by the state of observing air level 23.
Claims (4)
1. the vertical self-checking device of tractor hydraulic lifting test platform, it is characterized in that: comprise base (1), upper the first side plate (2) and the second side plate (3) installed of base (1), upper the first upper rail (4) and the first lower guideway (5) installed of the first side plate (2), upper the second upper rail (6) and the second lower guideway (7) installed of the second side plate (3), the first row travelling wheel (8) is installed between the first upper rail (4) and the first lower guideway (5), the second road wheel (9) is installed between the second upper rail (6) and the second lower guideway (7), the first row travelling wheel (8) be connected road wheel (9) and all be connected with dolly (10), slot (11) is offered in dolly (10) bottom surface, inserted sheet (12) is installed in the slot (11), inserted sheet (12) is connected with screw (13), screw (13) is installed on the leading screw (14), leading screw (14) is installed on the base (1), leading screw (14) one ends are connected with the output shaft of servomotor (15), even hinge block (16) is installed at dolly (10) top, even hinge block (16) is hinged with load cylinder (17), load cylinder (17) top mounted angle sensor (18), obliquity sensor (18) is connected 15 with servomotor) all be connected with controller (19) by wire.
2. the vertical self-checking device of tractor hydraulic lifting test platform according to claim 1, it is characterized in that: between the first side plate (2) and the second side plate (3) one ends baffle plate (20) is installed, the upper stay-supported type displacement sensor (21) of installing of baffle plate (20), the cable end of stay-supported type displacement sensor (21) is connected with dolly (10).
3. the vertical self-checking device of tractor hydraulic lifting test platform according to claim 1 is characterized in that: leading screw (14) end installation handwheel (22).
4. the vertical self-checking device of tractor hydraulic lifting test platform according to claim 3 is characterized in that: the upper air level (23) of installing of load cylinder (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220225354 CN202661270U (en) | 2012-05-18 | 2012-05-18 | Vertical automatic regulation device for hydraulic lifting test bed of tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220225354 CN202661270U (en) | 2012-05-18 | 2012-05-18 | Vertical automatic regulation device for hydraulic lifting test bed of tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202661270U true CN202661270U (en) | 2013-01-09 |
Family
ID=47456170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220225354 Withdrawn - After Issue CN202661270U (en) | 2012-05-18 | 2012-05-18 | Vertical automatic regulation device for hydraulic lifting test bed of tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202661270U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102680249A (en) * | 2012-05-18 | 2012-09-19 | 山东省农业机械科学研究所 | Automatic vertical adjusting device of tractor hydraulic hoisting test bed |
| CN106813916A (en) * | 2017-03-03 | 2017-06-09 | 山东省农业机械科学研究院 | Tractor seat and safety belt Strength Test System |
-
2012
- 2012-05-18 CN CN 201220225354 patent/CN202661270U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102680249A (en) * | 2012-05-18 | 2012-09-19 | 山东省农业机械科学研究所 | Automatic vertical adjusting device of tractor hydraulic hoisting test bed |
| CN106813916A (en) * | 2017-03-03 | 2017-06-09 | 山东省农业机械科学研究院 | Tractor seat and safety belt Strength Test System |
| CN106813916B (en) * | 2017-03-03 | 2023-05-23 | 山东省农业机械科学研究院 | Tractor seat and safety belt strength test system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130109 Effective date of abandoning: 20140507 |
|
| RGAV | Abandon patent right to avoid regrant |