CN104196706A - Variable pump control device for driving of off-road traveling chassis - Google Patents
Variable pump control device for driving of off-road traveling chassis Download PDFInfo
- Publication number
- CN104196706A CN104196706A CN201410371758.6A CN201410371758A CN104196706A CN 104196706 A CN104196706 A CN 104196706A CN 201410371758 A CN201410371758 A CN 201410371758A CN 104196706 A CN104196706 A CN 104196706A
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- displacement pump
- variable displacement
- transition plate
- valve rod
- slide
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Abstract
The invention relates to a variable pump control device for driving of an off-road traveling chassis. According to the variable pump control device for driving of the off-road traveling chassis, a valve rod used for controlling a variable pump is fixedly connected to a control valve block stretching-out shaft of the body of the variable pump. The variable pump control device for driving of the off-road traveling chassis is characterized in that a transition plate is fixedly connected to the valve rod, a cuboid sliding base is fixedly connected to the transition plate, the sliding base is perpendicular to the transition plate, the middle of the sliding base is connected with the transition plate, a slideway is arranged in the sliding base in the length direction, a sliding block is arranged in the slideway, a cylinder used for controlling the sliding block to stay on the left side or the right side of the transition plate is arranged at one end of the sliding base, the position, where the sliding block stays, of the left side of the transition plate and the position, where the sliding block stays, of the right side of the transition plate are symmetrical about the valve rod, and a power device used for driving the valve rod located on the body of the variable pump to rotate is arranged on the sliding block. The variable pump control device for driving of the off-road traveling chassis has the advantages of being simple in structure, low in cost, reliable in performance, flexible in control and easy to repair and maintain.
Description
Technical field
The present invention relates to a kind of variable displacement pump control gear driving for non-road driving chassis, for controlling direction and the speed of concrete spraying trolley running.
Background technique
At present, the concrete spraying chassis of using in tunnelling works substantially all drives and travels with hydrostatic pressure system, the close circuit variable pump of the use in general hydrostatic pressure system is to realize the outbound course of plunger pump and variable by electromagnetism electric proportional valve, the systematic comparison of electromagnetism electric proportional control is complicated, cost is high, once break down, to maintain maintenance very difficult.
Summary of the invention
For solving the above problem, the invention provides a kind of simple in structure, cost is low for the variable displacement pump control gear driving for non-road driving chassis of concrete spraying trolley running system.
The present invention is achieved through the following technical solutions
A kind of variable displacement pump control gear driving for non-road driving chassis, on the control valve piece projecting shaft of described variable displacement pump body, be fixedly connected with the valve rod of controlled variable pump, it is characterized in that: on described valve rod, be fixedly connected with a transition plate, on transition plate, be fixedly connected with the slide of a cuboid, slide is vertical with transition plate, and the middle part of slide is connected with transition plate, slideway is along its length set in described slide, in slideway, settle slide block, described slide block slides in slideway, one end of described slide is provided with controls the cylinder that slide block rests on transition plate left side or right side, and slide block rests on transition plate leftward position and take valve rod as symmetry axis with the position that rests on transition plate right side, described slide block is provided with the power plant of the valve rod rotation driving on variable displacement pump body.
For ease of gathering materials on the spot, reduce costs, described power plant comprise throttle Electric Machine Control assembly, pin step on floor sheet controller, input drag-line and output drag-line, described output drag-line is connected on slide block, above-mentioned power plant can directly adopt on car, by pin, step on floor sheet controller and adjust output drag-line telescopic location, thus the angle of swing of controlled variable pump variable valve rod.The larger travelling speed of angle is faster, otherwise the less form speed of angle is less.
For ease of making and being connected, one end of described valve rod is connected on the control valve projecting shaft of variable displacement pump body, and the other end is provided with at least two positioning holes, and described excessive plate is " T " word shape structure, and excessively plate lower end is fixedly connected with the positioning hole on valve rod by bolt.
In order to improve the validity of valve rod angle of swing, excessively plate and valve rod are coaxial line rotation, and the upper center lower surface of described excessive plate is socketed on the control valve projecting shaft of variable displacement pump body.
Variable displacement pump has forward output and two kinds of outbound courses of Inverted Output.Thereby control concrete spraying chassis forward-reverse by glide direction that cylinder is controlled slide block; Throttle Electric Machine Control assembly pulls slide block to realize variable displacement pump variable by drag-line and exports, thereby the travelling speed of control concrete spraying chassis.
The variable displacement pump control gear that the present invention drives for non-road driving chassis has advantages of: simple in structure, cost is low, and reliable performance, control flexibly, for ease of maintenaince safeguard.
Accompanying drawing explanation
Fig. 1 is that the present invention is for the structural representation of the variable displacement pump control gear of non-road driving chassis driving;
Fig. 2 is that the present invention is for the sectional view of the structural drawing of the variable displacement pump control gear of non-road driving chassis driving;
Fig. 3 is that the present invention is for the explosive view of the structure of the variable displacement pump control gear of non-road driving chassis driving;
Fig. 4 is that the present invention is for the forward export structure figure of the variable displacement pump control gear of non-road driving chassis driving;
Fig. 5 is that the present invention is for the reverse export structure figure of the variable displacement pump control gear of non-road driving chassis driving
Accompanying drawing, 1, throttle Electric Machine Control assembly, 2, output drag-line, 3, slide block, 4, transition plate, 5, valve rod, 6 cylinders, 7, slide, 8, pin steps on floor sheet controller, 9, slideway.
Accompanying drawing is a kind of specific embodiment of the present invention.This embodiment comprises variable displacement pump body, on the control valve piece projecting shaft of described variable displacement pump body, be fixedly connected with the valve rod 5 of controlled variable pump, it is characterized in that: on described valve rod 5, be fixedly connected with a transition plate 4, on transition plate 4, be fixedly connected with the slide 7 of a cuboid, slide 7 is vertical with transition plate 4, and the middle part of slide 7 is connected with transition plate 4, the interior setting of described slide 7 slideway 9 along its length, the interior arrangement slide block 3 of slideway 9, described slide block 3 is in the interior slip of slideway 9, one end of described slide 7 is provided with controls the cylinder 6 that slide block 3 rests on transition plate left side or right side, and slide block 3 rests on transition plate leftward position and take valve rod as symmetry axis with the position that rests on transition plate right side, described slide block 3 is provided with the power plant of the valve rod rotation driving on variable displacement pump body, described power plant comprise throttle Electric Machine Control assembly 1, pin is stepped on floor sheet controller 8, input drag-line and output drag-line 2, described output drag-line 2 is connected on slide block 3, one end of described valve rod 5 is connected on the control valve projecting shaft of variable displacement pump body, the other end is provided with at least two positioning holes, described excessive plate is " T " word shape structure, excessively plate 4 lower ends are fixedly connected with the positioning hole on valve rod 5 by bolt, the upper center lower surface of described excessive plate 4 is socketed on the control valve projecting shaft of variable displacement pump body, the slideway that one end of cylinder is installed on described slide runs through the sidewall of slide, cylinder is bolted on the sidewall of slideway 9.
The variable displacement pump control gear that the present invention drives for non-road driving chassis, cylinder 6 is arranged on slide 7, slide block 3 is arranged on Telescopic-cylinder bar, can in slide 7, by the promotion of cylinder 6, slide and rest on the both sides of transition plate 4, change variable displacement pump outbound course, drive variable displacement pump to have forward output and two kinds of outbound courses of Inverted Output, and by output drag-line, connect throttle Electric Machine Control assembly at slide block 3, by drag-line, pull slide block to realize variable displacement pump variable output quantity size, its principle is that the rotation signal by pedal is transformed into the shift length of drag-line by stepper motor, thereby the travelling speed of control concrete spraying chassis.
Patent of the present invention is used intrinsic parts on car owing to controlling the parts that slide block moves, and only needs to arrange the parts of controlled motion direction, therefore simple in structure, cost is low, reliable performance, control flexibly, for ease of maintenaince maintenance.
Claims (5)
1. the variable displacement pump control gear driving for non-road driving chassis, comprise variable displacement pump body, on the control valve piece projecting shaft of described variable displacement pump body, be fixedly connected with the valve rod (5) of controlled variable pump, it is characterized in that: on described valve rod (5), be fixedly connected with a transition plate (4), on transition plate (4), be fixedly connected with the slide (7) of a cuboid, slide (7) is vertical with transition plate (4), and the middle part of slide (7) is connected with transition plate (4), slideway (9) is along its length set in described slide (7), in slideway (9), settle slide block (3), described slide block (3) slides in slideway (9), one end of described slide (7) is provided with controls the cylinder (6) that slide block (3) rests on transition plate left side or right side, and slide block (3) rests on transition plate leftward position and take valve rod as symmetry axis with the position that rests on transition plate right side, described slide block (3) is provided with the power plant of the valve rod rotation driving on variable displacement pump body.
2. according to the variable displacement pump control gear driving for non-road driving chassis described in claims 1, it is characterized in that: described power plant comprise throttle Electric Machine Control assembly (1), pin step on floor sheet controller (8), input drag-line and output drag-line (2), described output drag-line (2) is connected on slide block (3).
3. according to the variable displacement pump control gear driving for non-road driving chassis described in claims 1, it is characterized in that: one end of described valve rod (5) is connected on the control valve projecting shaft of variable displacement pump body, the other end is provided with at least two positioning holes, described excessive plate is " T " word shape structure, and excessively plate (4) lower end is fixedly connected with the positioning hole on valve rod (5) by bolt.
4. according to the variable displacement pump control gear driving for non-road driving chassis described in claims 3, it is characterized in that: the upper center lower surface of described excessive plate (4) is socketed on the control valve projecting shaft of variable displacement pump body.
5. according to the variable displacement pump control gear driving for non-road driving chassis described in claims 3, it is characterized in that: the upper slideway that one end of cylinder is installed of described slide (7) runs through the sidewall of slide, and cylinder is bolted on the sidewall of slideway (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410371758.6A CN104196706B (en) | 2014-07-31 | The variable apparatus for controlling pump that chassis drives is travelled for non-rice habitats |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410371758.6A CN104196706B (en) | 2014-07-31 | The variable apparatus for controlling pump that chassis drives is travelled for non-rice habitats |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104196706A true CN104196706A (en) | 2014-12-10 |
| CN104196706B CN104196706B (en) | 2016-11-30 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10122153A (en) * | 1996-10-15 | 1998-05-12 | Uchida Yuatsu Kiki Kogyo Kk | Displacement control device of variable displacement pump |
| CN2688920Y (en) * | 2004-02-25 | 2005-03-30 | 启东高压油泵有限公司 | Manual variable plunger pump with moderate volume |
| CN101368553A (en) * | 2008-09-28 | 2009-02-18 | 浙江水利水电专科学校 | Planetary gear stepless variable high pressure axial plunger pump |
| US20090269216A1 (en) * | 2008-04-28 | 2009-10-29 | Kabushiki Kaisha Toyota Jidoshokki | Variable displacement type compressor with displacement control mechanism |
| CN203537892U (en) * | 2013-10-12 | 2014-04-16 | 浙江海天机械有限公司 | Traveling stepless speed change device of corn combined harvester |
| CN103899724A (en) * | 2014-04-22 | 2014-07-02 | 交城县华昌泰机械制造有限公司 | Hydraulic stepless speed-change transmission mechanism |
| CN204003404U (en) * | 2014-07-31 | 2014-12-10 | 安徽佳乐建设机械有限公司 | The variable displacement pump control gear driving for non-road driving chassis |
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10122153A (en) * | 1996-10-15 | 1998-05-12 | Uchida Yuatsu Kiki Kogyo Kk | Displacement control device of variable displacement pump |
| CN2688920Y (en) * | 2004-02-25 | 2005-03-30 | 启东高压油泵有限公司 | Manual variable plunger pump with moderate volume |
| US20090269216A1 (en) * | 2008-04-28 | 2009-10-29 | Kabushiki Kaisha Toyota Jidoshokki | Variable displacement type compressor with displacement control mechanism |
| CN101368553A (en) * | 2008-09-28 | 2009-02-18 | 浙江水利水电专科学校 | Planetary gear stepless variable high pressure axial plunger pump |
| CN203537892U (en) * | 2013-10-12 | 2014-04-16 | 浙江海天机械有限公司 | Traveling stepless speed change device of corn combined harvester |
| CN103899724A (en) * | 2014-04-22 | 2014-07-02 | 交城县华昌泰机械制造有限公司 | Hydraulic stepless speed-change transmission mechanism |
| CN204003404U (en) * | 2014-07-31 | 2014-12-10 | 安徽佳乐建设机械有限公司 | The variable displacement pump control gear driving for non-road driving chassis |
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