CN203713466U - Hydraulic type height differential device of hillside tractor - Google Patents
Hydraulic type height differential device of hillside tractor Download PDFInfo
- Publication number
- CN203713466U CN203713466U CN201420031988.3U CN201420031988U CN203713466U CN 203713466 U CN203713466 U CN 203713466U CN 201420031988 U CN201420031988 U CN 201420031988U CN 203713466 U CN203713466 U CN 203713466U
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- Prior art keywords
- rocking arm
- hydraulic
- hillside tractor
- oil cylinder
- type height
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Abstract
The utility model discloses a hydraulic type height differential device of a hillside tractor. The hydraulic type height differential device of the hillside tractor is characterized in that a left rocker arm and a right rocker arm are respectively arranged on two sides of a speed changing box, a left driving wheel is arranged at the front end of the left rocker arm, a right driving wheel is arranged at the front end of the right rocker arm, a left hydraulic oil cylinder is arranged above the front end of the left rocker arm, a right hydraulic oil cylinder is arranged above the right rocker arm, the left hydraulic oil cylinder is connected with a left three position and six way hydraulic valve, and the right hydraulic oil cylinder is connected with a right three position and six way hydraulic valve. According to the hydraulic type height differential device of the hillside tractor, the left hydraulic oil cylinder and the right hydraulic oil cylinder are independently controlled, the left hydraulic oil cylinder and the right hydraulic oil cylinder are simultaneously elevated when the hillside tractor runs into a barrier, ground clearance of the hillside tractor can be changed, and good traffic ability of the hillside tractor is guaranteed. Furthermore, the hydraulic type height differential device of the hillside tractor is simple in structure, low in manufacturing cost, good in wide matching performance of related parts, and convenient to operate when used, and facilitates maintenance and replacement for a user.
Description
Technical field
The utility model relates to hillside tractor technical field, is specifically related to a kind of fluid pressure type height difference apparatus of hillside tractor.
Background technology
Plough and account for 23% of Chinese arable land in hillside, owing to laterally plowing in the hillside gradient, a drive wheel is on uncultivated land, another drive wheel is on ploughing, if tilling depth 15cm, it is highly 15cm that two-wheeled differs, add original gradient, trac. is rolled very large, the most easily cause the generation of rollover capsizing case, therefore general trac. can not carry out operation on hillside.
Notification number is that 201082670 Chinese patent discloses the high and control system of hillside tractor hydraulic pressure difference, and its height difference apparatus comprises two flexible opposite direction hydraulic piston mechanisms, while running into obstacle in hillside fields, can only detour, and hillside tractor crossing ability is poor.
Utility model content
For solving the problems of the technologies described above, we have proposed a kind of hydraulic ram of two independent-liftings, the fluid pressure type height difference apparatus of the hillside tractor that crossing ability is good.
For achieving the above object, the technical solution of the utility model is as follows:
A kind of fluid pressure type height difference apparatus of hillside tractor, comprise fuselage, change speed gear box, left driving wheel, right drive wheel, left rocking arm and right rocking arm, described vehicle body middle part is provided with described change speed gear box, the both sides of described change speed gear box are respectively equipped with described left rocking arm and right rocking arm, described left rocking arm front end is provided with described left driving wheel, described right rocking arm front end is provided with described right drive wheel, and described left rocking arm front end top is provided with left hydraulic ram, and described right rocking arm top is provided with right hydraulic ram; Described left hydraulic ram lower end piston rod and described left rocking arm front end chain connection, its upper end and described fuselage chain connection; Right rocking arm front end hinge links described in described right hydraulic ram lower end, its upper end and described fuselage chain connection; Described left hydraulic ram connects left three six logical hydraulic valves, and described right hydraulic ram connects right three six logical hydraulic valves; Described left three six logical hydraulic valves are all connected with Hydraulic Pump with right three six logical hydraulic valves, and described Hydraulic Pump is connected with hydraulic reservoir.
Preferably, between the output shaft of described change speed gear box and described left driving wheel and right drive wheel, with chain, be connected, described chain is placed in respectively the inside of described left rocking arm and right rocking arm.
Preferably, described left three six logical hydraulic valves are manual type with right three six logical hydraulic valves.
By technique scheme, the utility model has following some useful benefit with respect to prior art:
1, the utility model is independently controlled left hydraulic ram and right hydraulic ram, when running into obstacle, raise left hydraulic ram and right hydraulic ram can change the hillside tractor ground Clearance simultaneously, have guaranteed the crossing ability that hillside tractor is good;
2, simple in structure, low cost of manufacture, the compatibility of correlated parts is good, and the maintenance that is easy to user is changed, and simple to operate while using.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the front schematic view of the fluid pressure type height difference apparatus of the disclosed a kind of hillside tractor of the utility model embodiment;
Fig. 2 is the front schematic view of the fluid pressure type height difference apparatus of the disclosed a kind of hillside tractor of the utility model embodiment;
Fig. 3 is the hydraulic efficiency pressure system schematic diagram of the fluid pressure type height difference apparatus of the disclosed a kind of hillside tractor of the utility model embodiment.
Numeral and the represented corresponding component title of letter in figure:
1. left three six right three six of the logical hydraulic valves 10. of the right hydraulic ram 9. of the left hydraulic ram 8. of the fuselage 2. change speed gear box right rocking arm 7. of the left rocking arm 6. of the right drive wheel 5. of 3. left driving wheel 4. lead to hydraulic valve 11. Hydraulic Pump 12. hydraulic reservoirs.
The specific embodiment
Below in conjunction with embodiment and the specific embodiment, the utility model is described in further detail.
Embodiment.
As shown in Figure 1, Figure 2 and Figure 3, a kind of fluid pressure type height difference apparatus of hillside tractor, comprise fuselage 1, change speed gear box 2, left driving wheel 3, right drive wheel 4, left Rocker arm 5 and right rocking arm 6, described vehicle body 1 middle part is provided with described change speed gear box 2, the both sides of described change speed gear box 2 are respectively equipped with described left Rocker arm 5 and right rocking arm 6, described left Rocker arm 5 front end is provided with described left driving wheel 3, described right rocking arm 6 front ends are provided with described right drive wheel 4, described left Rocker arm 5 front end top is provided with left hydraulic ram 7, and described right rocking arm 6 tops are provided with right hydraulic ram 8; Described left hydraulic ram 7 lower end piston rods and described left Rocker arm 5 front end chain connection, its upper end and described fuselage 1 chain connection; Right rocking arm 6 front end hinge links described in described right hydraulic ram 8 lower ends, its upper end and described fuselage 1 chain connection; Described left hydraulic ram 7 connects left three six logical hydraulic valves 9, and described right hydraulic ram 8 connects right three six logical hydraulic valves 10; Described left three six logical hydraulic valves 9 are all connected with Hydraulic Pump 11 with right three six logical hydraulic valves 10, and described Hydraulic Pump 11 is connected with hydraulic reservoir 12; Between the output shaft of described change speed gear box and described left driving wheel and right drive wheel, with chain, be connected, described chain is placed in respectively the inside of described left rocking arm and right rocking arm; Described left three six logical hydraulic valves are manual type with right three six logical hydraulic valves.
The joystick of three six logical hydraulic valves of manual type of the present utility model is located at hillside tractor fork shift bar top, and handled easily is used, and does not need to change operator's operating habit; When level walking is used, be placed in left hydraulic ram and right hydraulic ram drops to nadir, convenient and swift.
By technique scheme, the utility model has following some useful benefit with respect to prior art:
1. the utility model is independently controlled left hydraulic ram and right hydraulic ram, when running into obstacle, raise left hydraulic ram and right hydraulic ram can change the hillside tractor ground Clearance simultaneously, have guaranteed the crossing ability that hillside tractor is good;
2. simple in structure, low cost of manufacture, the compatibility of correlated parts is good, and the maintenance that is easy to user is changed, and simple to operate while using.
Above-described is only the fluid pressure type height difference apparatus preferred implementation of a kind of hillside tractor of the present utility model; should be understood that; for the person of ordinary skill of the art; do not departing under the prerequisite of the utility model creation design; can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (3)
1. the fluid pressure type height difference apparatus of a hillside tractor, it is characterized in that, comprise fuselage, change speed gear box, left driving wheel, right drive wheel, left rocking arm and right rocking arm, described waist is provided with described change speed gear box, the both sides of described change speed gear box are respectively equipped with described left rocking arm and right rocking arm, and described left rocking arm front end is provided with described left driving wheel, and described right rocking arm front end is provided with described right drive wheel, described left rocking arm front end top is provided with left hydraulic ram, and described right rocking arm top is provided with right hydraulic ram; Described left hydraulic ram lower end piston rod and described left rocking arm front end chain connection, its upper end and described fuselage chain connection; Right rocking arm front end hinge links described in described right hydraulic ram lower end, its upper end and described fuselage chain connection; Described left hydraulic ram connects left three six logical hydraulic valves, and described right hydraulic ram connects right three six logical hydraulic valves; Described left three six logical hydraulic valves are all connected with Hydraulic Pump with right three six logical hydraulic valves, and described Hydraulic Pump is connected with hydraulic reservoir.
2. the fluid pressure type height difference apparatus of a kind of hillside tractor according to claim 1, it is characterized in that, between the output shaft of described change speed gear box and described left driving wheel and right drive wheel, with chain, be connected, described chain is placed in respectively the inside of described left rocking arm and right rocking arm.
3. the fluid pressure type height difference apparatus of a kind of hillside tractor according to claim 2, is characterized in that, described left three six logical hydraulic valves are manual type with right three six logical hydraulic valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420031988.3U CN203713466U (en) | 2014-01-17 | 2014-01-17 | Hydraulic type height differential device of hillside tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420031988.3U CN203713466U (en) | 2014-01-17 | 2014-01-17 | Hydraulic type height differential device of hillside tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203713466U true CN203713466U (en) | 2014-07-16 |
Family
ID=51152655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420031988.3U Expired - Fee Related CN203713466U (en) | 2014-01-17 | 2014-01-17 | Hydraulic type height differential device of hillside tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203713466U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105059079A (en) * | 2015-08-12 | 2015-11-18 | 吉林省农业机械研究院 | Hinged type gravity center adjusting device of hillside tractor |
| CN108112293A (en) * | 2016-11-28 | 2018-06-05 | 四川农业大学 | A kind of hydro -leveling device |
-
2014
- 2014-01-17 CN CN201420031988.3U patent/CN203713466U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105059079A (en) * | 2015-08-12 | 2015-11-18 | 吉林省农业机械研究院 | Hinged type gravity center adjusting device of hillside tractor |
| CN105059079B (en) * | 2015-08-12 | 2017-03-08 | 吉林省农业机械研究院 | A kind of radial type hillside tractor gravity adjusting device |
| CN108112293A (en) * | 2016-11-28 | 2018-06-05 | 四川农业大学 | A kind of hydro -leveling device |
| CN108112293B (en) * | 2016-11-28 | 2019-10-01 | 四川农业大学 | A kind of hydro -leveling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 Termination date: 20160117 |
|
| EXPY | Termination of patent right or utility model |