CN103981912A - Single-handle hydraulic control mechanism of agricultural grass grabbing machine - Google Patents
Single-handle hydraulic control mechanism of agricultural grass grabbing machine Download PDFInfo
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- CN103981912A CN103981912A CN201410205217.6A CN201410205217A CN103981912A CN 103981912 A CN103981912 A CN 103981912A CN 201410205217 A CN201410205217 A CN 201410205217A CN 103981912 A CN103981912 A CN 103981912A
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- slide block
- control valve
- handle
- hydraulicdirectional control
- slider
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Abstract
The invention discloses a single-handle hydraulic control mechanism of an agricultural grass grabbing machine. The single-handle hydraulic control mechanism comprises a cab, wherein the front outer face of the cab is fixedly connected with an upper grabbing tooth hydraulic reversing valve, a large arm hydraulic reversing valve and a grabbing head hydraulic reversing valve, the front inner face of the cab is fixedly connected with a box, the front side face of the box is provided with a slider groove, a slider a, a slider b and a slider c are clamped in the slider groove and can slide in the slider groove front and back, the slider a is connected with a slide valve core of the upper grabbing tooth hydraulic reversing valve through a pin, the slider b is connected with a slide valve core of the large arm hydraulic reversing valve through a pin, and the slider c is connected with a slide valve core of the grabbing head hydraulic reversing valve through a pin. Opening and closing of an upper grabbing tooth, rising and dropping of a large arm as well as upward turning and downward turning of a grabbing head are controlled by single handle, so that a driver is prevented from mistakenly pulling the handle when operating the handle for completing the three actions, therefore the operation efficiency is improved, and the safety is enhanced.
Description
Technical field
The invention belongs to agricultural mechanical field, be specifically related to a kind of monolever hydraulic control operating mechanism of agricultural straw grab.
Background technology
At present, hay grabbing machine in operation, the opening of upper grabbing tooth, closure, lifting, the decline of large arm, on grappling fixture, turn over, under turn over, by three control cranks, controlled respectively, independent separately.Driver will implement these three actions and when control crank, easily occur wrong spanner handle and affect operating efficiency, likely causes security incident when serious.
Summary of the invention
The problem to be solved in the present invention is to overcome the deficiencies in the prior art, and a kind of monolever hydraulic control operating mechanism of agricultural straw grab is provided.
Technical scheme of the present invention realizes in the following manner:
The monolever hydraulic control operating mechanism of hay grabbing machine, comprise driver's cabin, upper grabbing tooth hydraulicdirectional control valve, large arm hydraulicdirectional control valve, grappling fixture hydraulicdirectional control valve, upper grabbing tooth oil cylinder, big arm cylinder, grappling fixture oil cylinder, upper grabbing tooth hydraulicdirectional control valve is connected with grasping teeth oil cylinder hydraulic, large arm hydraulicdirectional control valve and big arm cylinder hydraulic connecting, grappling fixture hydraulicdirectional control valve is connected with grappling fixture oil cylinder hydraulic, on the facies anterior lateralis of described driver's cabin, be fixedly connected with upper grabbing tooth hydraulicdirectional control valve, large arm hydraulicdirectional control valve, grappling fixture hydraulicdirectional control valve, on the facies anterior medialis of described driver's cabin, be fixedly connected with casing, on the leading flank of casing, be provided with slide block slot, in slide block slot, be connected with slide block a, slide block b, slide block c, slide block a, slide block b, slide block c can slide front and back in slide block slot, described slide block a is connected by pin with upper grabbing tooth hydraulicdirectional control valve sliding spool, described slide block b is connected by pin with large arm hydraulicdirectional control valve sliding spool, and described slide block c is connected by pin with grappling fixture hydraulicdirectional control valve sliding spool, on described slide block a, slide block b, slide block c, be provided with fork slot, in described casing, be provided with swinging block, swinging block and casing are rotationally connected, the lower end of the leading flank of described swinging block is fixedly connected with handle locating piece, is provided with locating hole a, locating hole b, locating hole c on handle locating piece, the centre position of described swinging block is provided with handle swinging chute, in handle swinging chute, be rotatably connected to handle, the bottom of handle is provided with positioning sleeve, in positioning sleeve, be provided with retainer spring, retainer spring end face is provided with locking ball, and locking ball is connected with locating hole a, locating hole b, locating hole c clamping, the lower end of described handle is provided with shift fork, and shift fork can horizontally slip in fork slot,
The present invention has the following advantages:
By mono-lever control, control the opening of upper grabbing tooth, closure, lifting, the decline of large arm, on grappling fixture, turn over, under turn over, thereby make driver there will not be wrong spanner handle when completing these three action control cranks, improved operating efficiency, strengthened safety.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of the monolever hydraulic control operating mechanism of agricultural straw grab of the present invention.
In figure: 1-slide block slot, 2-casing, 3-swinging block axis hole, 4-slide block a, 5-slide block b, 6-slide block c, 7-fork slot, 8-handle locating piece, 9-locating hole a, 10-locating hole b, 11-locating hole c, 12-handle alignment pin, 13-swinging block axle, 14-swinging block, 15-handle swinging chute, 16-shift fork, 17-locking ball, 18-retainer spring, 19-positioning sleeve, 20-handle dowel hole, 21-handle.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is further illustrated.
As shown in Figure 1, the monolever hydraulic control operating mechanism of agricultural straw grab, comprise driver's cabin, upper grabbing tooth hydraulicdirectional control valve, large arm hydraulicdirectional control valve, grappling fixture hydraulicdirectional control valve, upper grabbing tooth oil cylinder, big arm cylinder, grappling fixture oil cylinder, upper grabbing tooth hydraulicdirectional control valve is connected with grasping teeth oil cylinder hydraulic, large arm hydraulicdirectional control valve and big arm cylinder hydraulic connecting, grappling fixture hydraulicdirectional control valve is connected with grappling fixture oil cylinder hydraulic, on the facies anterior lateralis of described driver's cabin, be fixedly connected with upper grabbing tooth hydraulicdirectional control valve, large arm hydraulicdirectional control valve, grappling fixture hydraulicdirectional control valve, on the facies anterior medialis of described driver's cabin, be fixedly connected with casing 2, on the leading flank of casing 2, be provided with slide block slot 1, in slide block slot, 1 is connected with slide block a4, slide block b5, slide block c6, slide block a4, slide block b5, slide block c4 can slide in 1 li of front and back of slide block slot, described slide block a is connected by pin with upper grabbing tooth hydraulicdirectional control valve sliding spool, described slide block b is connected by pin with large arm hydraulicdirectional control valve sliding spool, and described slide block c is connected by pin with grappling fixture hydraulicdirectional control valve sliding spool, on described slide block a4, slide block b5, slide block c6, be provided with fork slot 7, in described casing, be provided with swinging block 14, swinging block 14 is rotationally connected by the swinging block axle 13 on swinging block 14 and the swinging block axis hole 3 on casing 2, the lower end of the leading flank of described swinging block 14 is fixedly connected with handle locating piece 8, is provided with locating hole a9, locating hole b10, locating hole c11 on handle locating piece 8, the centre position of described swinging block 14 is provided with handle swinging chute 15, in handle swinging chute, 15 are rotatably connected to handle 21, the bottom of handle 21 is provided with positioning sleeve 19,19 li of positioning sleeves are provided with retainer spring 18, the end face of retainer spring 18 is provided with locking ball 17, and locking ball 17 is connected with locating hole a9, locating hole b10, locating hole c11 clamping, the lower end of described handle 21 is provided with shift fork 16, and shift fork 16 can horizontally slip 7 li of fork slots.
The monolever hydraulic control operating mechanism operating principle of this agricultural straw grab:
The upper end that driver pulls handle 21 swings to the right, and shift fork 16 is stirred the slip of slide block a4 front and back and driven the front and back slip of upper grabbing tooth hydraulicdirectional control valve sliding spool upper grabbing tooth to be opened or closure; The upper end that driver pulls handle 21 is flapped toward centre position, and shift fork 16 is stirred the slip of slide block b5 front and back and driven the front and back slip of large arm hydraulicdirectional control valve sliding spool to make large arm lifting or decline; The upper end that driver pulls handle 21 swings left, shift fork 16 stir slide that driving slides before and after grappling fixture hydraulicdirectional control valve sliding spool before and after slide block c6 and make on grappling fixture, turn over or under turn over.
More than by the specific embodiment of embodiment form, the present invention is described in detail, but this should be interpreted as to the above-mentioned subject area of the present invention only limits to the above specific embodiment, so all technology realizing based on foregoing of the present invention all belong to scope of the present invention.
Claims (1)
1. the monolever hydraulic control operating mechanism of agricultural straw grab, comprise driver's cabin, upper grabbing tooth hydraulicdirectional control valve, large arm hydraulicdirectional control valve, grappling fixture hydraulicdirectional control valve, upper grabbing tooth oil cylinder, big arm cylinder, grappling fixture oil cylinder, upper grabbing tooth hydraulicdirectional control valve is connected with grasping teeth oil cylinder hydraulic, large arm hydraulicdirectional control valve and big arm cylinder hydraulic connecting, grappling fixture hydraulicdirectional control valve is connected with grappling fixture oil cylinder hydraulic, on the facies anterior lateralis of described driver's cabin, be fixedly connected with upper grabbing tooth hydraulicdirectional control valve, large arm hydraulicdirectional control valve, grappling fixture hydraulicdirectional control valve, it is characterized in that: on the facies anterior medialis of described driver's cabin, be fixedly connected with casing, on the leading flank of casing, be provided with slide block slot, in slide block slot, be connected with slide block a, slide block b, slide block c, slide block a, slide block b, slide block c can slide front and back in slide block slot, described slide block a is connected by pin with upper grabbing tooth hydraulicdirectional control valve sliding spool, described slide block b is connected by pin with large arm hydraulicdirectional control valve sliding spool, and described slide block c is connected by pin with grappling fixture hydraulicdirectional control valve sliding spool, on described slide block a, slide block b, slide block c, be provided with fork slot, in described casing, be provided with swinging block, swinging block and casing are rotationally connected, the lower end of the leading flank of described swinging block is fixedly connected with handle locating piece, is provided with locating hole a, locating hole b, locating hole c on handle locating piece, the centre position of described swinging block is provided with handle swinging chute, in handle swinging chute, be rotatably connected to handle, the bottom of handle is provided with positioning sleeve, in positioning sleeve, be provided with retainer spring, retainer spring end face is provided with locking ball, and locking ball is connected with locating hole a, locating hole b, locating hole c clamping, the lower end of described handle is provided with shift fork, and shift fork can horizontally slip in fork slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410205217.6A CN103981912B (en) | 2014-05-10 | 2014-05-10 | The monolever hydraulic control operating mechanism of agricultural straw grab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410205217.6A CN103981912B (en) | 2014-05-10 | 2014-05-10 | The monolever hydraulic control operating mechanism of agricultural straw grab |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103981912A true CN103981912A (en) | 2014-08-13 |
| CN103981912B CN103981912B (en) | 2016-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201410205217.6A Expired - Fee Related CN103981912B (en) | 2014-05-10 | 2014-05-10 | The monolever hydraulic control operating mechanism of agricultural straw grab |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5212896A (en) * | 1992-05-15 | 1993-05-25 | Case Corporation | Control system for a walk behind trencher machine |
| CN2488968Y (en) * | 2001-08-07 | 2002-05-01 | 山东临沂工程机械股份有限公司 | Single handle operating mechanism for loader |
| CN2898113Y (en) * | 2006-01-12 | 2007-05-09 | 河北宣化工程机械股份有限公司 | Integrated flexible-shaft operating system with speed-changing and steering functiosn |
| CN101216130A (en) * | 2007-12-29 | 2008-07-09 | 张玉玺 | Multi-station skateboard type air valve operating system |
| CN204163130U (en) * | 2014-05-10 | 2015-02-18 | 临颍县颍机机械制造有限公司 | The monolever hydraulic control operating mechanism of agricultural straw grab |
-
2014
- 2014-05-10 CN CN201410205217.6A patent/CN103981912B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5212896A (en) * | 1992-05-15 | 1993-05-25 | Case Corporation | Control system for a walk behind trencher machine |
| CN2488968Y (en) * | 2001-08-07 | 2002-05-01 | 山东临沂工程机械股份有限公司 | Single handle operating mechanism for loader |
| CN2898113Y (en) * | 2006-01-12 | 2007-05-09 | 河北宣化工程机械股份有限公司 | Integrated flexible-shaft operating system with speed-changing and steering functiosn |
| CN101216130A (en) * | 2007-12-29 | 2008-07-09 | 张玉玺 | Multi-station skateboard type air valve operating system |
| CN204163130U (en) * | 2014-05-10 | 2015-02-18 | 临颍县颍机机械制造有限公司 | The monolever hydraulic control operating mechanism of agricultural straw grab |
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| Publication number | Publication date |
|---|---|
| CN103981912B (en) | 2016-05-04 |
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Granted publication date: 20160504 Termination date: 20210510 |
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| CF01 | Termination of patent right due to non-payment of annual fee |