CN210153015U - Integrated multi-way reversing valve of omnibearing drilling machine - Google Patents
Integrated multi-way reversing valve of omnibearing drilling machine Download PDFInfo
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- CN210153015U CN210153015U CN201920973800.XU CN201920973800U CN210153015U CN 210153015 U CN210153015 U CN 210153015U CN 201920973800 U CN201920973800 U CN 201920973800U CN 210153015 U CN210153015 U CN 210153015U
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Abstract
The utility model discloses an integrated multichannel switching-over valve of all-round rig, characterized by: the oil inlet valve plate, the rotary valve plate, the small pump oil inlet valve plate, the propulsion valve plate and the function conversion valve plate are communicated in sequence from right to left; the function conversion valve plate comprises a three-position three-way valve, a hydraulic control reversing valve and a built-in one-way valve, and the built-in one-way valve is positioned on the function conversion valve plate; a first oil port and a second oil port are formed in the hydraulic control reversing valve; the three-position three-way valve is provided with a first working oil port, a second working oil port and a third working oil port, the first oil port is communicated with the third working oil port through a built-in oil way, and the built-in check valve is arranged on the built-in oil way; the propulsion valve plate comprises a hydraulic control one-way valve which is communicated with the second working oil port through an internal oil duct; when the three-position three-way valve is positioned at the upper position, the working oil port III is communicated with the working oil port II; the propulsion valve plate is communicated with the first working oil port through an internal oil duct; the three-position three-way valve is also communicated with the second oil port through the internal oil duct.
Description
Technical Field
The utility model relates to an integrated multichannel switching-over valve class, especially an integrated multichannel switching-over valve field of all-round rig.
Background
The reversing valve is a valve which changes the on-off relationship of an oil duct connected to a valve body by means of the relative movement between a valve core and the valve body. The multi-way reversing valve is a combined valve with more than two reversing valves as main bodies. The application of the multi-way reversing valve in the current industrial production is wider and wider, and the requirement on different types of multi-way reversing valves is also larger and larger.
At present, the integrated multichannel switching-over valve of current all-round rig has following problem:
firstly, the problem that a drill rod slides down easily occurs during drilling, and safety accidents are easily caused;
when the drill rod is lifted, the quick drill rod lifting and the normal drill rod lifting cannot be switched at will, so that the working efficiency is low;
and thirdly, the structure is complex, the number of built-in oil ways (except for the working oil port) is large, the number of external hydraulic elements is large, and the number of handles is large, so that the operation is complex.
Disclosure of Invention
The utility model discloses an in order to solve prior art's above-mentioned defect, and the integrated multichannel switching-over valve of all-round rig that provides.
The technical scheme is as follows:
an integrated multi-way reversing valve of an omnibearing drilling machine comprises an oil inlet valve plate, a rotary valve plate, a small pump oil inlet valve plate, a propulsion valve plate, a function conversion valve plate, a built-in oil way and a built-in one-way valve. The oil inlet valve plate, the rotary valve plate, the small pump oil inlet valve plate, the propulsion valve plate and the function conversion valve plate are communicated in sequence from right to left; the function switching valve plate comprises a three-position three-way valve, a hydraulic control reversing valve and a built-in one-way valve, wherein the three-position three-way valve and the hydraulic control reversing valve are arranged on the function switching valve plate, and the built-in one-way valve is positioned on the function switching valve plate; a first oil port and a second oil port are formed in the hydraulic control reversing valve; the three-position three-way valve is provided with a first working oil port, a second working oil port and a third working oil port, the first oil port is communicated with the third working oil port through a built-in oil way, and the built-in check valve is arranged on the built-in oil way.
Preferably, the propulsion valve plate comprises a hydraulic control one-way valve, the hydraulic control one-way valve is arranged in the propulsion valve plate and is communicated with the second working oil port through an internal oil duct; when the three-position three-way valve is positioned at the upper position, the working oil port III is communicated with the working oil port II; the propulsion valve plate is communicated with the first working oil port through an internal oil duct; the three-position three-way valve is also communicated with the second oil port through an internal oil duct.
Preferably, a chuck oil port, a clamp clamping oil port, a clamp loosening oil port and a second oil return port are further formed in the function conversion valve piece, and the chuck oil port, the clamp loosening oil port and the clamp clamping oil port are respectively communicated with the hydraulic control reversing valve through internal oil ducts.
Preferably, the oil inlet valve plate comprises a first safety valve, the oil inlet valve plate is provided with an oil inlet and a first oil return opening, and the first safety valve is connected between the oil inlet and the first oil return opening; the rotary valve plate, the small pump oil inlet valve plate and the propelling valve plate are all internally provided with a working oil inlet and a working oil return port; the small pump oil inlet valve plate comprises a shuttle valve, a sequence valve and a second safety valve, the shuttle valve is arranged at the upper end of the small pump oil inlet valve plate, the sequence valve is arranged on the lower side surface of the small pump oil inlet valve plate, the second safety valve is arranged on the front surface of the small pump oil inlet valve plate, and a small pump oil inlet is also formed in the small pump oil inlet valve plate; the oil inlet and the oil inlet of the small pump are respectively communicated with the shuttle valve through internal oil ducts, and the shuttle valve is communicated with the hydraulic control reversing valve through the internal oil ducts.
Preferably, the working oil inlet inside the rotary valve plate, the small pump oil inlet valve plate and the propulsion valve plate is communicated with the oil inlet through an internal oil duct, and the working oil return port inside the rotary valve plate, the small pump oil inlet valve plate and the propulsion valve plate is communicated with the first oil return port through an internal oil duct.
Preferably, an auxiliary working oil inlet is further formed in the oil inlet valve plate of the small pump, and the sequence valve is connected between the oil inlet of the small pump and the auxiliary working oil inlet; the second safety valve is connected between a working oil inlet of the oil inlet valve plate of the small pump and a working oil return opening of the oil inlet valve plate of the small pump.
Preferably, the rotary valve plate is provided with a forward rotation oil port and a reverse rotation oil port, and the forward rotation oil port is communicated with the first oil port through an internal oil duct.
Preferably, the propulsion valve plate is further provided with a propulsion oil cylinder large cavity oil port and a propulsion oil cylinder small cavity oil port; and the large cavity oil port of the propulsion oil cylinder and the small cavity oil port of the propulsion oil cylinder are respectively communicated with the hydraulic control one-way valve through an internal oil duct.
Preferably, the three-position three-way valve is a three-position three-way manual reversing valve.
Has the advantages that:
the utility model discloses in, under the initial condition, after all-round rig circular telegram, no matter what position the tribit three-way valve is in, the holder is in clamping state all the time, and the chuck is in the chucking state, has just so avoided opening the incident that causes the drilling rod landing because of the holder when follow-up function conversion. When the omnibearing drilling machine works normally and the thrust oil cylinder of the omnibearing drilling machine retreats, the clamping device can be ensured to be in a clamping state, and the chuck is in a loosening state; when the function conversion is needed in the drilling process, the clamp holder and the chuck are always in a clamping state. Therefore, the clamp is always in a clamping state under other actions except that the clamp is required to be opened when the drilling hole is normally pushed forwards and drilled, particularly when the drilling hole is drilled in the vertical and inclined directions, so that safety accidents caused by falling of the drill rod due to dead weight can be avoided. When playing the drilling rod, the utility model discloses can realize playing the drilling rod fast and normally playing switching over wantonly between the drilling rod, just so improved work efficiency. And simultaneously, the utility model has the advantages of simple structure, the integrated level is high, and is easy and simple to handle, and work efficiency is high.
Drawings
The present invention will be further explained with reference to the drawings and examples.
(the same parts in the drawings are labeled in the same manner)
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic diagram of the oil circuit of the present invention.
Fig. 3 is a schematic diagram of the oil path when the clamp holder and the chuck are released.
Wherein, 1, an oil inlet valve plate, 1-1, an oil inlet, 1-2, a first oil return port, 1-3, a first safety valve, 2, a rotary valve plate, 2-1, a forward oil port, 2-2, a reverse oil port, 3, a small pump oil inlet valve plate, 3-1, a shuttle valve, 3-2, a sequence valve, 3-3, a second safety valve, 3-4, a small pump oil inlet, 4, a push valve plate, 4-1, a push oil cylinder large cavity oil port, 4-2, a push oil cylinder small cavity oil port, 4-3, a hydraulic control one-way valve, 5, a function conversion valve plate, 5-1, a chuck oil port, 5-2, a clamp release oil port, 5-3, a clamp clamping oil port, 5-4, a second oil return port, 5-5, a first oil port, 5-6, a second oil port, 5-7, a three-position three-way valve, 5-8 parts of a hydraulic control reversing valve, 6 parts of a built-in oil way, 6-1 parts of a built-in one-way valve, 7 parts of a working oil inlet, 7-1 parts of an auxiliary working oil inlet, 8 parts of a working oil return port, 9 parts of a working oil port I, 10 parts of a working oil port II, 11 parts of a working oil port III, 12 parts of a loosening clamp and 13 parts of a chuck.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1-2, the present invention comprises an oil inlet valve plate 1, a rotary valve plate 2, a small pump oil inlet valve plate 3, a propulsion valve plate 4, a function switching valve plate 5, a built-in oil path 6, and a built-in check valve 6-1. The oil inlet valve plate 1, the rotary valve plate 2, the small pump oil inlet valve plate 3, the propulsion valve plate 4 and the function conversion valve plate 5 are communicated in sequence from right to left.
In each embodiment, preferably, the function conversion valve plate 5 includes a three-position three-way valve 5-7, a hydraulic control directional control valve 5-8, and a built-in check valve 6-1, the three-position three-way valve 5-7 and the hydraulic control directional control valve 5-8 are both disposed on the function conversion valve plate 5, and the built-in check valve 6-1 is disposed on the function conversion valve plate 5; and a first oil port 5-5 and a second oil port 5-6 are formed in the hydraulic control reversing valve 5-8. The three-position three-way valve 5-7 is provided with a first working oil port 9, a second working oil port 10 and a third working oil port 11, the first oil port 5-5 is communicated with the third working oil port 11 through a built-in oil way 6, and the built-in one-way valve 6-1 is arranged on the built-in oil way 6.
In each embodiment, preferably, the propulsion valve plate 4 comprises a hydraulic control one-way valve 4-3, the hydraulic control one-way valve 4-3 is arranged in the propulsion valve plate 4, and the hydraulic control one-way valve 4-3 is communicated with the second working oil port 10 through an internal oil passage; the propulsion valve plate 4 is communicated with the first working oil port 9 through an internal oil duct; the three-position three-way valve 5-7 is also communicated with the second oil port 5-6 through an internal oil passage; the function conversion valve plate 5 is further provided with a chuck oil port 5-1, a clamp clamping oil port 5-3, a clamp loosening oil port 5-2 and a second oil return port 5-4, and the chuck oil port 5-1, the clamp loosening oil port 5-2 and the clamp clamping oil port 5-3 are respectively communicated with a hydraulic control reversing valve 5-8 through an internal oil duct, so that clamping or loosening of the clamp 12 and clamping or loosening of the chuck 13 are controlled.
In the actual operation process, when the three-position three-way valve 5-7 is in the upper position, the working oil port III 11 is communicated with the working oil port II 10, and when the three-position three-way valve 5-7 is in the middle position, the working oil port III 11 is not communicated with the working oil port II 10. The chuck oil port 5-1 is connected with an oil inlet cavity of the chuck 13. The clamp clamping oil port 5-3 is connected with the clamping cavity oil port of the clamp 12, and the clamp loosening oil port 5-2 is connected with the loosening cavity oil port of the clamp 12. And the second oil return port 5-4 is used for a system oil return box of the omnibearing drilling machine to release oil when the chuck 13 is loosened.
In each embodiment, preferably, the oil inlet valve plate 1 comprises a first safety valve 1-3, the oil inlet valve plate 1 is provided with an oil inlet 1-1 and a first oil return port 1-2, and the first safety valve 1-3 is connected between the oil inlet 1-1 and the first oil return port 1-2; working oil inlets 1-17 and a working oil return opening 8 are formed in the rotary valve plate 2, the small pump oil inlet valve plate 3 and the propulsion valve plate 4; the small pump oil inlet valve plate 3 comprises a shuttle valve 3-1, a sequence valve 3-2 and a second safety valve 3-3, the shuttle valve 3-1 is arranged at the upper end of the small pump oil inlet valve plate 3, the sequence valve 3-2 is arranged at the lower side surface of the small pump oil inlet valve plate 3, the second safety valve 3-3 is arranged at the front surface of the small pump oil inlet valve plate 3, and a small pump oil inlet 3-4 is also formed in the small pump oil inlet valve plate 3; the oil inlet 1-1 and the oil inlet 3-4 of the small pump are respectively communicated with the shuttle valve 3-1 through internal oil ducts, and the shuttle valve 3-1 is communicated with the hydraulic control reversing valve 5-8 through the internal oil ducts.
In each embodiment, preferably, the rotary valve plate 2, the small pump oil inlet valve plate 3, and the working oil inlet 1-17 inside the propulsion valve plate 4 are communicated with the oil inlet 1-1 through an internal oil passage, and the rotary valve plate 2, the small pump oil inlet valve plate 3, and the working oil return port 8 inside the propulsion valve plate 4 are communicated with the first oil return port 1-2 through an internal oil passage.
In each embodiment, preferably, an auxiliary working oil inlet 7-1 is further formed in the oil inlet valve plate 3 of the small pump, and the sequence valve 3-2 is connected between the oil inlet 3-4 of the small pump and the auxiliary working oil inlet 7-1; the second safety valve 3-3 is connected between a working oil inlet 1-17 of the small pump oil inlet valve plate 3 and a working oil return opening 8 of the small pump oil inlet valve plate 3.
In each embodiment, preferably, the rotary valve plate 2 is provided with a forward oil port 2-1 and a reverse oil port 2-2, and the forward oil port 2-1 is communicated with the first oil port 5-5 through an internal oil passage.
In each embodiment, preferably, the propulsion valve plate 4 is further provided with a propulsion oil cylinder large cavity oil port 4-1 and a propulsion oil cylinder small cavity oil port 4-2; preferably, the oil port 4-1 of the large cavity of the propulsion oil cylinder and the oil port 4-2 of the small cavity of the propulsion oil cylinder are respectively communicated with the hydraulic control one-way valve 4-3 through an internal oil duct.
In each embodiment, it is preferred that the three-position three-way valve 5-7 is embodied as a three-position three-way valve 5-7.
In the practical application process, the oil inlet 1-1 is used for being connected with an oil outlet of a large pump of an omnibearing drilling machine, and the first oil return port 1-2 is used for being connected with a system oil return box of the omnibearing drilling machine; the forward rotation oil port 2-1 is used for being connected with a forward rotation oil port 2-1 of a rotary motor of the omnibearing drilling machine, and the reverse rotation oil port 2-2 is connected with a reverse rotation oil port 2-2 of the rotary motor of the omnibearing drilling machine, so that the forward rotation and the reverse rotation of the rotary motor of the omnibearing drilling machine are controlled; the small pump oil inlet 3-4 is used for connecting a small pump oil outlet of the omnibearing drilling machine; the oil port 4-1 of the large cavity of the propulsion oil cylinder is used for connecting the large cavity of the propulsion oil cylinder of the omnibearing drilling machine, and the oil port 4-2 of the small cavity of the propulsion oil cylinder is used for connecting the small cavity of the propulsion oil cylinder of the omnibearing drilling machine, so that the propulsion oil cylinder of the omnibearing drilling machine is controlled to advance and retreat.
In the practical application process, after the omnibearing drilling machine is powered on, the big pump and the small pump of the omnibearing drilling machine supply oil to the omnibearing drilling machine integrated multi-way reversing valve, at the moment, the rotary valve plate 2 and the push valve plate 4 are positioned at the middle position, the clamp 12 is always in a clamping state no matter where the three-position three-way valve 5-7 is positioned, and the chuck 13 is in a clamping state. Therefore, the safety accident that the drill rod slides down due to the opening of the clamp 12 when the subsequent functions are converted is avoided.
In the practical application process, when the integrated multi-way reversing valve of the omnibearing drilling machine is used for drilling in the front additional rod, the drilling process is kept still. Firstly, the rotary valve plate 2 controls a rotary motor of the omnibearing drilling machine to rotate forwards, the propulsion valve plate 4 controls a propulsion oil cylinder of the omnibearing drilling machine to propel forwards, a hydraulic control reversing valve 5-8 is pushed by pressure oil in a first oil port 5-5, a clamp 12 and a chuck 13 are loosened to clamp a drill rod, and drilling is realized; then, the push valve plate 4 controls the push oil cylinder of the omnibearing drilling machine to retreat and feed a drill rod, at the moment, the gripper 12 clamps the drill rod tightly, the chuck 13 clamps the drill rod tightly, the rotary valve plate 2 controls the rotary motor of the omnibearing drilling machine to rotate forwards, and the push valve plate 4 controls the push oil cylinder of the omnibearing drilling machine to push forwards and drill circularly. Before the rear drill rod is not connected with the front drill rod, the clamp 12 is always in a clamping state, so that the drill rod cannot automatically fall off when the hole is punched in the vertical and inclined directions.
In the practical application process, when the integrated multi-way reversing valve of the omnibearing drilling machine is positioned at the drilling position of the rear additional rod, the drilling process is kept still. Firstly, the rotary valve plate 2 controls a rotary motor of the omnibearing drilling machine not to act, the propelling valve plate 4 controls a propelling oil cylinder of the omnibearing drilling machine to retreat to the bottom, the clamper 12 clamps at the moment, and the chuck 13 loosens an upper drill rod; then, the rotary valve plate 2 controls the rotary motor of the omnibearing drilling machine to rotate forwards, the propulsion valve plate 4 controls the propulsion oil cylinder of the omnibearing drilling machine to propel forwards, the hydraulic control reversing valve 5-8 is pushed by pressure oil in the second oil port 5-6, the clamp 12 and the chuck 13 are loosened to clamp the drill rod, and drilling is achieved; and finally, the push valve plate 4 controls the push oil cylinder of the omnibearing drilling machine to retreat to the bottom, the clamper 12 clamps, the chuck 13 loosens the upper drill rod, and the drilling machine is drilled circularly. Before the rear drill rod is not connected with the front drill rod, the clamp 12 is always in a clamping state, so that the drill rod cannot automatically fall off when the hole is punched in the vertical and inclined directions.
In the practical application process, when the integrated multi-way reversing valve of the omnibearing drilling machine is positioned at a drill pipe lifting position, the drill pipe lifting process is kept still. Firstly, a chuck 13 clamps a drill rod, a holder 12 clamps the drill rod, a rotary valve plate 2 controls a rotary motor of the omnibearing drilling machine to rotate reversely and release, a propulsion valve plate 4 controls a propulsion oil cylinder of the omnibearing drilling machine to retreat, and at the moment, the chuck 13 clamps the drill rod and the holder 12 releases to lift the drill rod; then, the propulsion valve plate 4 controls the propulsion oil cylinder of the omnibearing drilling machine to propel forwards, the hydraulic control reversing valve 5-8 is pushed through pressure oil in the second oil port 5-6, the clamp 12 clamps and the chuck 13 loosens, the propulsion valve plate 4 is located in the middle at the moment, the rotary valve plate 2 controls the rotary motor of the omnibearing drilling machine to rotate reversely, the clamp 12 clamps and the chuck 13 clamps and loosens, the drill pipe pulling rod circularly works to pull the drill pipe, and the rapid drill pipe pulling is achieved. When the drill rod is tightly clamped, the rotary valve plate 2 can be operated to control the rotary motor of the omnibearing drill to rotate forwards, the push valve plate 4 is operated to control the push oil cylinder of the omnibearing drill to pull backwards, and the drill rod is pulled out while rotating, so that the drill rod can be quickly pulled out and normally pulled out, the switching is carried out at any time, and the working efficiency is improved. When the drill rod is not pulled backwards, the clamp 12 is always in a clamping state, so that the drill rod cannot automatically fall off when the drill rod is taken after the drill rod is drilled in the vertical and inclined directions.
Of course, all features disclosed in this specification may be combined in any manner, except features that are mutually exclusive.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (3)
1. The utility model provides an integrated multichannel switching-over valve of all-round rig, includes oil feed valve block, rotary valve block, little pump oil feed valve block, propulsion valve block, function conversion valve block, built-in oil circuit, built-in check valve, its characterized in that: the oil inlet valve plate, the rotary valve plate, the small pump oil inlet valve plate, the propulsion valve plate and the function conversion valve plate are communicated in sequence from right to left; the function conversion valve plate comprises a three-position three-way valve, a hydraulic control reversing valve and a built-in one-way valve, and the built-in one-way valve is positioned on the function conversion valve plate; a first oil port and a second oil port are formed in the hydraulic control reversing valve; the three-position three-way valve is provided with a first working oil port, a second working oil port and a third working oil port, the first oil port is communicated with the third working oil port through a built-in oil way, and the built-in check valve is arranged on the built-in oil way.
2. The integrated multi-way reversing valve of the omnibearing drilling machine as recited in claim 1, wherein: the propulsion valve plate comprises a hydraulic control one-way valve which is communicated with the second working oil port through an internal oil duct; when the three-position three-way valve is positioned at the upper position, the working oil port III is communicated with the working oil port II; the propulsion valve plate is communicated with the first working oil port through an internal oil duct; the three-position three-way valve is also communicated with the second oil port through an internal oil duct.
3. The integrated multi-way reversing valve of the omnibearing drilling machine as recited in claim 1, wherein: the three-position three-way valve is a three-position three-way manual reversing valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920973800.XU CN210153015U (en) | 2019-06-26 | 2019-06-26 | Integrated multi-way reversing valve of omnibearing drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920973800.XU CN210153015U (en) | 2019-06-26 | 2019-06-26 | Integrated multi-way reversing valve of omnibearing drilling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210153015U true CN210153015U (en) | 2020-03-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920973800.XU Active CN210153015U (en) | 2019-06-26 | 2019-06-26 | Integrated multi-way reversing valve of omnibearing drilling machine |
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| Country | Link |
|---|---|
| CN (1) | CN210153015U (en) |
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2019
- 2019-06-26 CN CN201920973800.XU patent/CN210153015U/en active Active
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