CN202090904U - Automatic valve-controlled confluent hydraulic system of horizontal directional drilling machine - Google Patents
Automatic valve-controlled confluent hydraulic system of horizontal directional drilling machine Download PDFInfo
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- CN202090904U CN202090904U CN2011201709040U CN201120170904U CN202090904U CN 202090904 U CN202090904 U CN 202090904U CN 2011201709040 U CN2011201709040 U CN 2011201709040U CN 201120170904 U CN201120170904 U CN 201120170904U CN 202090904 U CN202090904 U CN 202090904U
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- valve
- control
- oil
- control valve
- pilot operated
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Abstract
The utility model discloses an automatic valve-controlled confluent hydraulic system of a horizontal directional drilling machine and relates to hydraulic control systems of the horizontal directional drilling machines. The automatic valve-controlled confluent hydraulic system comprises a walking pump, a walking motor control valve, a push-pull pump, a push-pull hydro-cylinder control valve, a clamp pump, a clamp multi-path valve, a three-position six-way reversing valve, a liquid control reversing valve, a check valve I and a check valve II, wherein the three-position six-way reversing valve is arranged between the clamp pump and the clamp multi-path valve; the liquid control reversing valve is provided with an oil inlet, two oil outlets and a control oil port; the oil inlet of the liquid control reversing valve is connected with one oil outlet of the three-position six-way reversing valve; one oil outlet of the liquid control reversing valve is connected with the oil inlet of the walking motor control valve by the check valve I; the other oil outlet of the liquid control reversing valve is connected to the oil inlet of the push-pull hydro-cylinder control valve through the check valve II; and the control oil port of the liquid control reversing valve is also connected to the oil inlet of the walking motor control valve.
Description
Technical field
The utility model relates to a kind of hydraulic control system of horizontal directional drilling machine, the hydraulic control system that particularly a kind of horizontal directional drilling machine need collaborate.
Background technology
The operating mechanism of horizontal directional drilling machine has a lot, has determined whole hydraulic system that a plurality of main pumps are arranged.As basic clamp pump, push and pull pump, traveling pump, when clamping drill bit, clamp drives clamping mechanism work by the clamp pump, push-pull device at fixed by push and pull pump driving unit head when drill bit is worked makes the drill bit advance and retreat, need wholely to drive running motor by traveling pump when mobile horizontal directional drilling machine is moved at horizontal directional drilling machine, when the push-pull device at fixed of unit head or running motor during in operation, operating mechanisms such as clamp generally all leave unused, clamp pump to operating mechanism's fuel feeding such as clamps just is in the sky stream mode so, has caused system can not make full use of favourable resource.
The utility model content
The purpose of this utility model provides a kind of horizontal directional drilling machine valve control automatic merging hydraulic system of simple in structure, easy to operate, reliable operation, to solve above-mentioned prior art problem.
The technical scheme that the utility model adopts for achieving the above object is: a kind of horizontal directional drilling machine valve control automatic merging hydraulic system, comprise traveling pump, the running motor control valve, push and pull pump, the push cylinder control valve, the clamp pump, the clamp banked direction control valves, hydraulic system also comprises three six-way transfer valves, pilot operated directional control valve, one way valve I and one way valve II, described three six-way transfer valves are arranged between clamp pump and clamp banked direction control valves, described pilot operated directional control valve is provided with an oil-in, two oil-outs and a control port, the oil-in of pilot operated directional control valve is connected with an oil-out of three six-way transfer valves, one of them oil-out of pilot operated directional control valve is linked the oil-in of described running motor control valve by described one way valve I, another oil-out of pilot operated directional control valve is linked the oil-in of described push cylinder control valve by described one way valve II, and the oil-in of described running motor control valve is also linked in described pilot operated directional control valve control port.
Further technical scheme of the present utility model is: described pilot operated directional control valve comprises valve body, valve rod, back-moving spring, push rod, the spring terminal end cap, control mouthful end end cap, described spring terminal end cap is connected with valve body one port, a described control mouthful end end cap is connected with the valve body another port, described valve rod is arranged in the valve body, described back-moving spring is arranged in the spring terminal end cap and the one end is against an end of valve rod, described push rod is arranged in the control mouthful end end cap, one end of push rod is butted on the end of valve rod away from back-moving spring, and the other end of push rod is in the control mouthful control chamber that the end end cap is interior.
The horizontal directional drilling machine valve control automatic merging hydraulic system of the utility model has following beneficial effect:
1, can realize automatic merging, reduce the quantity of control stick, make the manipulation of horizontal directional drilling machine easier
The horizontal directional drilling machine valve control automatic merging hydraulic system of the utility model is owing to increased by three six-way transfer valves between clamp pump and clamp banked direction control valves, and at three six-way transfer valves and running motor control valve, a pilot operated directional control valve is set between the push cylinder control valve, when not needing clamp, by handling the commutation of three six-way transfer valves, the flow of the clamp pump flow by pilot operated directional control valve and traveling pump is collaborated to collaborate to the push cylinder control valve to the running motor control valve or with the flow of push and pull pump, and pilot operated directional control valve can be selected automatically the flow of clamp pump is collaborated to running motor control valve or push cylinder control valve according to the working condition of horizontal directional drilling machine, reduced the quantity of control stick, made the manipulation of horizontal directional drilling machine easier.
2, good reliability
The horizontal directional drilling machine valve control automatic merging hydraulic system of the utility model is because the push rod of pilot operated directional control valve is less, even it is very high that the pressure of control port reaches, the thrust that the spring terminal end cap bears is still very little, makes pilot operated directional control valve can take into account the characteristics of miniaturization and high reliability simultaneously.
Below in conjunction with drawings and Examples the utility model horizontal directional drilling machine valve control automatic merging hydraulic system is further described.
Description of drawings
Fig. 1 is the hydraulic schematic diagram of the utility model horizontal directional drilling machine valve control automatic merging hydraulic system;
Fig. 2 is the structure chart of pilot operated directional control valve in the utility model horizontal directional drilling machine valve control automatic merging hydraulic system.
The critical element label declaration:
1-joint, 2-spring terminal end cap, 3-back-moving spring, 4-valve body, 5-valve rod, 6-push rod, 7-control end end cap, 8-joint, 9-plug screw, 10-plug screw, 11-plug screw, 12-one way valve I, 13-traveling pump, 14-fuel tank, 15-push and pull pump, 16-clamp pump, 17-three six-way transfer valves, 18-clamp banked direction control valves, 19-pilot operated directional control valve, 20-one way valve II, 21-push cylinder control valve, 22-running motor control valve.
The specific embodiment
As shown in Figure 1, the utility model horizontal directional drilling machine valve control automatic merging hydraulic system, comprise traveling pump 13, running motor control valve 22, push and pull pump 15, push cylinder control valve 21, clamp pump 16, clamp banked direction control valves 18, hydraulic system also comprises three six-way transfer valves 17, pilot operated directional control valve 19, one way valve I 12 and one way valve II 20.Running motor control valve, push cylinder control valve, clamp banked direction control valves are not shown its concrete structures in the utility model point diagram of the present utility model, only use box indicating.
Described three six-way transfer valves 17 are arranged at 18 of clamp pump 16 and clamp banked direction control valves, described pilot operated directional control valve 19 is provided with an oil inlet P, two oil-out A, B and a control port Pi, the oil inlet P of pilot operated directional control valve 19 is connected with an oil-out of three six-way transfer valves 17, one of them oil-out B of pilot operated directional control valve 19 links the oil-in of described running motor control valve 22 by described one way valve I 12, another oil-out A of pilot operated directional control valve 19 links the oil-in of described push cylinder control valve 21 by described one way valve II 20, and described pilot operated directional control valve 19 control port Pi also link the oil-in of described running motor control valve 22.
As shown in Figure 2, described pilot operated directional control valve 19 comprises valve body 4, valve rod 5, back-moving spring 3, push rod 6, spring terminal end cap 2, control mouthful end end cap 7, described spring terminal end cap 2 is connected with valve body 4 one ports, a described control mouthful end end cap 7 is connected with valve body 4 another port, described valve rod 5 is arranged in the valve body 4, described back-moving spring 3 is arranged in the spring terminal end cap 2 and the one end is against an end of valve rod 5, described push rod 6 is arranged in the control mouthful end end cap 7, one end of push rod 6 is butted on the end of valve rod 5 away from back-moving spring 3, and the other end of push rod 6 is in the control chamber of controlling in mouthful end end cap 7.Valve body 4 is provided with two oil-ins (one of them oil-in is communicated with valve body 4 inner chambers by plug screw 10 sealings, another oil inlet P) and two oil-out A, B, and two oil-out A, B are communicated with respectively at valve body 4 inner chambers.The fabrication hole of two oil-in both sides is respectively by plug screw 9,11 jam-packs.Spring terminal end cap 2 is connected with the inner joints 1 that are communicated with spring terminal end cap 2 inboards away from valve body 4 one ends, and joint 1 external port is spring cavity drain tap T1, and spring cavity drain tap T1 is connected with fuel tank by the oil pipe (not shown).A control mouthful end end cap 7 also is connected with the inner joint 8 that is communicated with control chamber away from valve body 4 one ends, joint 8 external port are the control port Pi of pilot operated directional control valve 19, be provided with and control the control chamber drain tap T2 that valve rod 5 control chambers in the mouth end end cap are communicated with in control mouthful end end cap 7 one sides, control chamber drain tap T2 is connected with fuel tank by the oil pipe (not shown).
Operating principle: when three six-way transfer valves 17 are in the work of right position, the flow of clamp pump 16 enters clamp banked direction control valves 18 by three six-way transfer valves 17 by the pipeline II by the pipeline I, clamp pump 16 is given clamp banked direction control valves 18 fuel feeding, not to running motor control valve 22 or push cylinder control valve 21 interflow.After clamp work is finished, by handling three six-way transfer valves 17, make three six-way transfer valves 17 be in the work of position, a left side, clamp pump 16 is by three six-way transfer valves 17, enter pilot operated directional control valve 19 by the pipeline III again, at this moment, if running motor control valve 22 is in meta, the flow drain charge oil sump tank of traveling pump 13, control piper V pressure is zero so, and pilot operated directional control valve 19 is in the work of position, a left side, and the flow of clamp pump 16 is by pilot operated directional control valve 19, pass through pilot operated directional control valve 19A hydraulic fluid port flowline VI again, enter push cylinder control valve 21 through one way valve II 20 interflow; If running motor control valve 22 is in working position, and vibration hydraulic system has produced certain pressure at this moment, so, the pressure of vibration hydraulic system will enter pilot operated directional control valve 19 control port Pi by the control piper V, and controlled pressure promotes push rod 6, and push rod 6 promotes valve rod 5, pilot operated directional control valve 19 is in the work of right position, the flow of clamp pump 16 through pilot operated directional control valve 19B hydraulic fluid port flowline IV, enters running motor control valve 22 through one way valve I 12 interflow by pilot operated directional control valve 19.
Claims (2)
1. horizontal directional drilling machine valve control automatic merging hydraulic system, comprise traveling pump (13), running motor control valve (22), push and pull pump (15), push cylinder control valve (21), clamp pump (16), clamp banked direction control valves (18), it is characterized in that, hydraulic system also comprises three six-way transfer valves (17), pilot operated directional control valve (19), one way valve I (12) and one way valve II (20), described three six-way transfer valves (17) are arranged between clamp pump (16) and clamp banked direction control valves (18), described pilot operated directional control valve (19) is provided with an oil-in, two oil-outs and a control port, the oil-in of pilot operated directional control valve (19) is connected with an oil-out of three six-way transfer valves (17), one of them oil-out of pilot operated directional control valve (19) is linked the oil-in of described running motor control valve (22) by described one way valve I (12), another oil-out of pilot operated directional control valve (19) is linked the oil-in of described push cylinder control valve (21) by described one way valve II (20), and the oil-in of described running motor control valve (22) is also linked in described pilot operated directional control valve (19) control port (Pi).
2. horizontal directional drilling machine valve control automatic merging hydraulic system as claimed in claim 1, it is characterized in that, described pilot operated directional control valve (19) comprises valve body (4), valve rod (5), back-moving spring (3), push rod (6), spring terminal end cap (2), control mouthful end end cap (7), described spring terminal end cap (2) is connected with valve body (4) one ports, a described control mouthful end end cap (7) is connected with valve body (4) another port, described valve rod (5) is arranged in the valve body (4), described back-moving spring (3) is arranged in the spring terminal end cap (2) and the one end is against an end of valve rod (5), described push rod (6) is arranged in the control mouthful end end cap, one end of push rod (6) is butted on the end of valve rod (5) away from back-moving spring (3), and the other end of push rod (6) is in the control mouthful control chamber that the end end cap is interior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201709040U CN202090904U (en) | 2011-05-26 | 2011-05-26 | Automatic valve-controlled confluent hydraulic system of horizontal directional drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201709040U CN202090904U (en) | 2011-05-26 | 2011-05-26 | Automatic valve-controlled confluent hydraulic system of horizontal directional drilling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202090904U true CN202090904U (en) | 2011-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201709040U Expired - Lifetime CN202090904U (en) | 2011-05-26 | 2011-05-26 | Automatic valve-controlled confluent hydraulic system of horizontal directional drilling machine |
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| CN (1) | CN202090904U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102220863A (en) * | 2011-05-17 | 2011-10-19 | 柳州固瑞机械有限公司 | Valve-controlled automatic confluence hydraulic system for horizontal directional drilling machine |
| CN103290774A (en) * | 2012-02-23 | 2013-09-11 | 常州杰和机械有限公司 | Hydraulic control self-propelled road surface cutter |
| CN103470556A (en) * | 2013-08-30 | 2013-12-25 | 湖南三一路面机械有限公司 | Multi-way valve converging hydraulic system and land leveler |
-
2011
- 2011-05-26 CN CN2011201709040U patent/CN202090904U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102220863A (en) * | 2011-05-17 | 2011-10-19 | 柳州固瑞机械有限公司 | Valve-controlled automatic confluence hydraulic system for horizontal directional drilling machine |
| CN102220863B (en) * | 2011-05-17 | 2013-04-24 | 柳州固瑞机械有限公司 | Valve-controlled automatic confluence hydraulic system for horizontal directional drilling machine |
| CN103290774A (en) * | 2012-02-23 | 2013-09-11 | 常州杰和机械有限公司 | Hydraulic control self-propelled road surface cutter |
| CN103290774B (en) * | 2012-02-23 | 2015-07-08 | 常州杰和机械有限公司 | Hydraulic control self-propelled road surface cutter |
| CN103470556A (en) * | 2013-08-30 | 2013-12-25 | 湖南三一路面机械有限公司 | Multi-way valve converging hydraulic system and land leveler |
| CN103470556B (en) * | 2013-08-30 | 2016-07-27 | 湖南三一路面机械有限公司 | A kind of banked direction control valves combining hydraulic system and land leveller |
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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: 20111228 Effective date of abandoning: 20130424 |
|
| RGAV | Abandon patent right to avoid regrant |