CN101235713A - Jam-proof hydraulic device for drill - Google Patents
Jam-proof hydraulic device for drill Download PDFInfo
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- CN101235713A CN101235713A CNA2007100194933A CN200710019493A CN101235713A CN 101235713 A CN101235713 A CN 101235713A CN A2007100194933 A CNA2007100194933 A CN A2007100194933A CN 200710019493 A CN200710019493 A CN 200710019493A CN 101235713 A CN101235713 A CN 101235713A
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Abstract
The invention discloses a drilling rig anti-sticking hydraulic device which can automatically control advance speed of a hydraulic cylinder and has an anti-sticking function, which comprises an oil tank, a variable pump, a power source, an oil inlet filter, an oil-return filter, a control valve group, a telescopic cylinder, a beater mechanism and a rotary motor, wherein the control valve group comprises an overflow valve, a left change-over valve, a middle change-over valve and a right change-over valve, an anti-sticking valve group is arranged between the telescopic cylinder and the control valve group, and the anti-sticking valve group comprises a change-over valve, two one-way valves and an overflow valve. The drilling rig anti-sticking hydraulic device which is utilized can avoid happening sticking circumstance, which assures a drilling rig to normally work. The drilling rig anti-sticking hydraulic device is suitable for drilling rig such as a drilling rig for clamping stones and earth to rapidly form holes.
Description
Technical field
The present invention relates to a kind of hydraulic control device.Be a kind ofly can control the fltting speed of oil cylinder, rig antiseize device automatically specifically with anti-sticking function.Be applicable on the rig such as horsestone soil fast pore-creating rig.
Background technology
At present, on some small-sized drills hydraulic control device is installed all.As shown in Figure 1, this hydraulic control device mainly contains fuel tank, power source, variable pump, control valve group, telescopic oil cylinder, beater mechanism and rotary motor; Control valve group wherein is made up of an overflow valve and left, center, right control valve, oil-in a, oil-out b and interface c are arranged on the overflow valve, on the middle control valve interface A1～A6 and B1～B6 are arranged, interface A1～A6, B1～B6 and C1～C6 are all arranged on the left and right control valve, the oil-out b of overflow valve is connected with the import of oil return cleaner by interface A3, A4 on the control valve of left, center, right successively by oil pipe, and the interface c of overflow valve and the interface A5 of left, center, right control valve are connected by the import of oil pipe with the oil return cleaner respectively; The interface A1 of left, center, right control valve and the oil-in of overflow valve all are connected with the oil-out of variable pump; The oil-in of variable pump links to each other with the oil-out of fuel tank by intake oil filter, and the output shaft of power source and the power intake of variable pump join; The interface A2 of left side control valve and A6 are connected with the big chamber of telescopic oil cylinder with loculus respectively.In the interface A2 and the A6 of control valve be connected with the big chamber f and the loculus g of beater mechanism respectively, and the interface A2 of right control valve and A6 respectively with being communicated with of rotary motor into and out of hydraulic fluid port;
During work, drive variable pump work by power source.Hydraulic oil is inhaled into variable pump and is admitted to the control valve group from its oil-out behind intake oil filter.
As shown in Figure 2, when rig was in holding state, because A1～A2, the A5～A6 of reversal valve 5,6,7 all is in off-state, hydraulic oil can only be got back in the fuel tank behind the closed interface A3～A4 of overflow valve 4, reversal valve 5～7, oil return cleaner 12.At this moment, telescopic oil cylinder 8, beater mechanism 9, rotary motor 10 all can not be worked.
As shown in Figure 3, when rig was in running order, the connecting interface of reversal valve 5～7 had the A1～A6 under the holding state to switch to B1～B6 respectively.At this moment, B3～the B4 of reversal valve 5～7 all is in off-state, B1～B2, B6～B5 then are in channel status, hydraulic oil enters three kinds of executive components through interface B1～B2, the interface d of telescopic oil cylinder 8, the interface f of beater mechanism 9, the interface h of rotary motor 10 of reversal valve 5～7 respectively, and get back in the fuel tank 1 from interface e, the interface g of beater mechanism 9, the interface i of rotary motor 10 and interface B5～B6, the oil return cleaner 12 of corresponding reversal valve 5～7 of telescopic oil cylinder 8 respectively, thereby drive three kinds of executive component work.At this moment, telescopic oil cylinder 8 elongations, drilling tool advances downwards, 9 pairs of drilling tools of beater mechanism produce impact shock, and 10 pairs of drilling tools of rotary motor produce moment, under the acting in conjunction of three kinds of executive components, make drilling tool cut fragmentation, and the ground of cutting is exported ground ground.
When the drilling tool embedded depth meets the requirements of hole depth, the control valve group is placed Fig. 4, the connecting interface that is about to reversal valve 5,7 switches to C1～C6 by the B1～B2 under the duty respectively, and the connecting interface with reversal valve 6 switches to A1～A6 by the B1～B6 under the duty respectively simultaneously.At this moment, excuse C3～the C4 of reversal valve 5,7, A1～A2, the A5～A6 of reversal valve 6 all are in off-state, reversal valve 5 and 7 C1～C6, C2～C5, the A3～A4 of reversal valve 6 and then are in channel status, hydraulic oil enters telescopic oil cylinder 8 and rotary motor 10 through interface C1～C6, the interface e of telescopic oil cylinder 8, the interface i of rotary motor 10 of reversal valve 5 and 7 respectively, and gets back to the fuel tank through interface C2～C5, the oil return cleaner 12 of reversal valve 5 and 7 from the interface d of telescopic oil cylinder 8, the interface h of rotary motor 10 respectively.In this work loop, telescopic oil cylinder 8 withdrawals, drilling tool lifting, beater mechanism 9 is not worked, the rotary motor counter-rotating, thus realize the pore-forming purpose.
In whole boring procedure, the pressure oil of variable pump output enters telescopic oil cylinder, beater mechanism and hydraulic motor behind pipeline, control valve, drive these element work.Along with continuing to increase of drilling depth, the moment of resistance of drilling tool is also along with increase.Simultaneously, system pressure improves gradually, and the oil cylinder propulsive force increases gradually.After system pressure is relatively stable,, can only freely advance because telescopic oil cylinder 8 fltting speeds can't auto-control or automatic reverse in this system.Therefore, often since the too fast meeting of fltting speed to cause the moment of resistance to increase too fast, make the torque of drilling tool can't overcome moment, thereby bit freezing take place, cause drilling tool to advance, can not rotate, make the rig can't operate as normal.
Summary of the invention
The problem to be solved in the present invention provides a kind of jam-proof hydraulic device for drill.Use this jam-proof hydraulic device for drill, can avoid the bit freezing situation to take place, guarantee the rig operate as normal.
For addressing the above problem, the present invention takes following technical scheme:
Jam-proof hydraulic device for drill of the present invention comprises fuel tank (1), variable pump (2), power source (3), intake oil filter (11), oil return cleaner (12), control valve group, telescopic oil cylinder (8), beater mechanism (9) and rotary motor (10).Control valve group wherein is by an overflow valve (4) and a left side, in, right reversal valve (5,6,7) form, oil-in (a) is arranged on the overflow valve (4), oil-out (b) and interface (c), in commutation interface (A1～A6 and B1～B6) are arranged on (6) valve, a left side, right reversal valve (5, interface (A1～A6 is all arranged 7), B1～B6 and C1～C6), the oil-out (b) of overflow valve (4) passes through a left side successively by oil pipe, in, right reversal valve (5,6,7) interface (A3 on, A4) import with oil return cleaner (12) is connected, the interface (c) of overflow valve (4) and a left side, in, right reversal valve (5,6,7) interface (A5) all is connected by the import of oil pipe with oil return cleaner (12) respectively.The interface (A1) of left, center, right reversal valve (5,6,7) and the oil-in of overflow valve (4) all are connected with the oil-out of variable pump (2).The oil-in of variable pump (2) links to each other with the oil-out of fuel tank (1) by intake oil filter (11), and the power intake of the output shaft of power source (3) and variable pump (2) joins.In the interface (A2 and A6) of reversal valve (6) be connected with the big chamber (f) and the loculus (g) of beater mechanism (9) respectively, and the interface of right reversal valve (7) (A2 and A6) respectively with being communicated with of rotary motor (10) into and out of hydraulic fluid port.
Its design feature is that anti-sticking valve group is arranged between telescopic oil cylinder (8) and control valve group, and this anti-sticking valve group is made up of a reversal valve (13), two one way valves (14,15) and an overflow valve (16).Interface (D1～D4 and E1～E4) are arranged on the reversal valve (13), wherein, a hydraulic fluid port (j) of overflow valve (16) links to each other with the interface (D2) of reversal valve (13) respectively with a hydraulic fluid port (n) of an one way valve (14), and their another hydraulic fluid port (k and m) is communicated with the big chamber (d) of telescopic oil cylinder (8).Two hydraulic fluid ports (n and m) of another one way valve (15) link to each other with the interface (D4) of reversal valve (13) and the overfall (L) of overflow valve (16) respectively, the interface (D4) of reversal valve (13) is communicated with the loculus (e) of telescopic oil cylinder (8), and the interface of reversal valve (13) (D1 and D3) is connected with interface (A2 and A6) on the left reversal valve (5) respectively.Between the interface (A2) of right reversal valve (7) and the oil-in of rotary motor (10) relay (17) is arranged.
Take such scheme, have the following advantages:
Because the present invention is provided with anti-sticking valve group between telescopic oil cylinder and control valve group, this anti-sticking valve group is made up of a reversal valve, two one way valves and an electromagnetic valve.Interface D1～D4 and E1～E4 are arranged on the reversal valve, and wherein a hydraulic fluid port of an electromagnetic valve and an one way valve links to each other with the interface D2 of reversal valve respectively, and their another hydraulic fluid port is communicated with the big chamber of telescopic oil cylinder.Two hydraulic fluid ports of another one way valve link to each other with the interface D4 of reversal valve and the overfall L of electromagnetic valve respectively, and the interface D4 of reversal valve is communicated with the loculus of telescopic oil cylinder, the interface D1 of reversal valve and D3 respectively with left control valve on interface A2 be connected with A6.Between the interface A2 of right control valve and the oil-in of rotary motor relay is arranged.
When rig is in holding state when (the control valve group as shown in Figure 2), hydraulic oil can only be got back to fuel tank 1 through the conducting interface A1～A2 and the oil return cleaner of overflow valve 4, reversal valve 5～7.At this moment, telescopic oil cylinder 8, beater mechanism 9 and rotary motor 10 are not worked.
When rig when in running order (the control valve group as shown in Figure 3), hydraulic oil enters telescopic oil cylinder 8, beater mechanism 9 and rotary motor 10 from the left side pipeline respectively through reversal valve 5～anti-sticking valve group, reversal valve 6, reversal valve 7, drives telescopic oil cylinder 8, beater mechanism 9 and rotary motor 10 work.At this moment, telescopic oil cylinder 8 elongations, drilling tool advances downwards, beater mechanism produces impact shock to drilling tool, 10 pairs of drilling tools of rotary motor produce moment, under the acting in conjunction of telescopic oil cylinder 8, beater mechanism 9 and rotary motor 10, the mission drilling tool cuts fragmentation to ground, and the ground that cutting is come out is exported ground.In the process that telescopic oil cylinder 8 advances, along with changeing the axial resistance increase that tool is subjected to, part hydraulic oil through passage J～1 of reversal valve 13 left path D1～D2, overflow valve 16, the right path D4～D3 of one way valve 14, reversal valve 13 flows back to fuel tank, and the telescopic oil cylinder fltting speed is reduced.After the axial resistance minimizing that drilling tool is subjected to, the fltting speed of telescopic oil cylinder can increase automatically gradually, and the automatic adjusting of fltting speed greatly reduces the possibility of bit freezing.In addition, in borer drilling procedure, the steering resistance square that is subjected to along with drilling tool increases, and system pressure is also along with increase.If when making the system pressure value reach the system pressure value (promptly being slightly less than the rated pressure of rotary motor) of setting owing to the telescopic oil cylinder fltting speed is too fast, relay 17 can be closed, this pressure signal is delivered to reversal valve 13 in the anti-sticking valve group by circuit, reversal valve is commutated (from Fig. 6 state transformation to Fig. 7 state) immediately, make telescopic oil cylinder transform to the lifting state from advanced state.After flywheel moment reduced, and the system pressure value is lower than the system pressure value of setting, system can automatically restore to original duty immediately.
When the drilling tool embedded depth meets the requirements of hole depth, control valve is hindered the state that places Fig. 4, telescopic oil cylinder 8 withdrawals, drilling tool lifting, beater mechanism is not worked, rotary motor 10 counter-rotatings, thus realized the pore-forming purpose.
Therefore, use the present invention can avoid the bit freezing situation to take place, guarantee that rig can operate as normal.
Description of drawings
Fig. 1 is traditional rig hydraulic control device schematic diagram;
Fig. 2 is the control valve group holding state schematic diagram of traditional rig hydraulic control device;
Fig. 3 is the control valve group working state schematic representation of traditional rig hydraulic control device;
The control valve group schematic diagram of the traditional rig hydraulic control device when Fig. 4 is the drilling tool lifting state;
Fig. 5 is a jam-proof hydraulic device for drill schematic diagram of the present invention;
Fig. 6 is the control valve group working state schematic representation of jam-proof hydraulic device for drill of the present invention;
The control valve group schematic diagram of the jam-proof hydraulic device for drill of the present invention when Fig. 7 is the drilling tool lifting state.
The specific embodiment
As shown in Figure 5, jam-proof hydraulic device for drill of the present invention comprises fuel tank 1, variable pump 2, power source 3, intake oil filter 11, oil return cleaner 12, control valve group, telescopic oil cylinder 8, beater mechanism 9 and rotary motor 10.Control valve group wherein is by an overflow valve 4 and left reversal valve 5, middle reversal valve 6, right reversal valve 7 is formed, be processed with oil-in a on the overflow valve 4, oil-out b and interface c, be processed with interface A1～A6 and B1～B6 on the middle reversal valve 6, all be processed with interface A1～A6 on left side reversal valve 5 and the right reversal valve 7, B1～B6 and C1～C6, the oil-out b of overflow valve 4 passes through left reversal valve 5 successively by oil pipe, middle reversal valve 6, interface A3 on the right reversal valve 7, A4 is connected with the import of oil return cleaner 12, the interface c of overflow valve 4 and left reversal valve 5, middle reversal valve 6, the interface A5 of right reversal valve 7 is connected by the import of oil pipe with oil return cleaner 12 respectively.Left side reversal valve 5, middle reversal valve 6, the interface A1 of right reversal valve 7 and the oil-in a of overflow valve 4 are connected with the oil-out of variable pump 2.The oil-in of variable pump 2 links to each other with the oil-out of fuel tank 1 by intake oil filter 11, and the power intake of the output shaft of power source 3 and variable pump 2 joins.In the interface A2 and the A6 of reversal valve 6 be connected with the big chamber f and the loculus g of beater mechanism 9 respectively, and the interface A2 of right reversal valve 7 and A6 respectively with being communicated with of rotary motor 10 into and out of hydraulic fluid port.
Be provided with anti-sticking valve group between telescopic oil cylinder 8 and control valve group, this anti-sticking valve group is made up of a reversal valve 13, two 14,15 and overflow valves 16 of one way valve.Be processed with interface D1～D4 and E1～E4 on the reversal valve 13, wherein a hydraulic fluid port of overflow valve 16 a hydraulic fluid port j and an one way valve 14 all links to each other with the interface D2 of reversal valve 13, and their another hydraulic fluid port k and m all are communicated with the big chamber d of telescopic oil cylinder 8.Two hydraulic fluid port n of another one way valve 15 link to each other with the interface D4 of reversal valve 13 and the overfall L of overflow valve 16 respectively with m, the interface D4 of reversal valve 13 is communicated with the loculus e of telescopic oil cylinder 8, the interface D1 of reversal valve 13 and D3 respectively with left reversal valve 5 on interface A2 be connected with A6.Be connected to relay 17 between the interface A2 of right reversal valve 7 and the oil-in h of rotary motor 10, its another interface A6 then directly is connected with the oil-out i of rotary motor 10.
As Fig. 6, shown in Figure 7, when the system pressure value (promptly being slightly less than the rated pressure of rotary motor 10) that occurs making the system pressure value to reach setting owing to telescopic oil cylinder 8 fltting speeds are too fast, relay 17 meeting closures also produce pressure signal, this pressure signal is delivered to reversal valve 13 in the anti-sticking valve group by circuit, reversal valve is commutated promptly from state transformation shown in Figure 6 immediately to state shown in Figure 7, make telescopic oil cylinder 8 transform to the lifting state from advanced state.After flywheel moment reduced, and the system pressure value is lower than the system pressure value of setting, system can automatically restore to original duty immediately.
Claims (1)
1. jam-proof hydraulic device for drill comprises fuel tank (1), variable pump (2), power source (3), intake oil filter (11), oil return cleaner (12), control valve group, telescopic oil cylinder (8), beater mechanism (9) and rotary motor (10); Control valve group wherein is by an overflow valve (4) and a left side, in, right reversal valve (5,6,7) form, oil-in (a) is arranged on the overflow valve (4), oil-out (b) and interface (c), in commutation interface (A1～A6 and B1～B6) are arranged on (6) valve, a left side, right reversal valve (5, interface (A1～A6 is all arranged 7), B1～B6 and C1～C6), the oil-out (b) of overflow valve (4) passes through a left side successively by oil pipe, in, right reversal valve (5,6,7) interface (A3 on, A4) import with oil return cleaner (12) is connected, the interface (c) of overflow valve (4) and a left side, in, right reversal valve (5,6,7) interface (A5) all is connected by the import of oil pipe with oil return cleaner (12) respectively; The interface (A1) of left, center, right reversal valve (5,6,7) and the oil-in of overflow valve (4) all are connected with the oil-out of variable pump (2); The oil-in of variable pump (2) links to each other with the oil-out of fuel tank (1) by intake oil filter (11), and the power intake of the output shaft of power source (3) and variable pump (2) joins; In the interface (A2 and A6) of reversal valve (6) be connected with the big chamber (f) and the loculus (g) of beater mechanism (9) respectively, and the interface of right reversal valve (7) (A2 and A6) respectively with being communicated with of rotary motor (10) into and out of hydraulic fluid port;
It is characterized in that anti-sticking valve group is arranged between telescopic oil cylinder (8) and control valve group, this anti-sticking valve group is made up of a reversal valve (13), two one way valves (14,15) and an overflow valve (16); Interface (D1～D4 and E1～E4) are arranged on the reversal valve (13), wherein, a hydraulic fluid port (j) of overflow valve (16) links to each other with the interface (D2) of reversal valve (13) respectively with a hydraulic fluid port (n) of an one way valve (14), and their another hydraulic fluid port (k and m) is communicated with the big chamber (d) of telescopic oil cylinder (8); Two hydraulic fluid ports (n and m) of another one way valve (15) link to each other with the interface (D4) of reversal valve (13) and the overfall (L) of overflow valve (16) respectively, the interface (D4) of reversal valve (13) is communicated with the loculus (e) of telescopic oil cylinder (8), and the interface of reversal valve (13) (D1 and D3) is connected with interface (A2 and A6) on the left reversal valve (5) respectively; Between the interface (A2) of right reversal valve (7) and the oil-in of rotary motor (10) relay (17) is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100194933A CN101235713A (en) | 2007-01-29 | 2007-01-29 | Jam-proof hydraulic device for drill |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100194933A CN101235713A (en) | 2007-01-29 | 2007-01-29 | Jam-proof hydraulic device for drill |
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| CN101235713A true CN101235713A (en) | 2008-08-06 |
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| CNA2007100194933A Pending CN101235713A (en) | 2007-01-29 | 2007-01-29 | Jam-proof hydraulic device for drill |
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Cited By (9)
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| CN102040992A (en) * | 2010-11-16 | 2011-05-04 | 赵金树 | Rod blockage prevention liquid for carbon dioxide huff-puff enhanced oil recovery and injection method thereof |
| 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 |
| CN101624897B (en) * | 2009-08-06 | 2011-12-07 | 河北宏远液压机械有限公司 | Full-automatic hydraulic inverse-drilling rock drilling machine |
| CN102383778A (en) * | 2011-11-18 | 2012-03-21 | 山河智能装备股份有限公司 | Logic control loop for rock drilling operations of hydraulic rock drilling machine |
| CN101748969B (en) * | 2009-12-23 | 2012-11-14 | 三一重型装备有限公司 | Hydraulic control loop used for jackdrill and control system thereof |
| CN102926657A (en) * | 2012-11-19 | 2013-02-13 | 无锡市京锡冶金液压机电有限公司 | Anti-blocking method for hydraulic propulsion circuit of rock drilling machine and rotary circuit in series connection |
| CN102926738A (en) * | 2012-11-19 | 2013-02-13 | 无锡市京锡冶金液压机电有限公司 | Method for controlling anti-blocking of hydraulic drilling on line |
| CN106438532A (en) * | 2016-11-12 | 2017-02-22 | 湘潭大学 | Electric proportional control type rock drill rock drilling efficiency automatic control system |
| CN112832736A (en) * | 2019-11-23 | 2021-05-25 | 山东科技大学 | Automatic anti-sticking's hydraulic pressure colliery rig |
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- 2007-01-29 CN CNA2007100194933A patent/CN101235713A/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101624897B (en) * | 2009-08-06 | 2011-12-07 | 河北宏远液压机械有限公司 | Full-automatic hydraulic inverse-drilling rock drilling machine |
| CN101748969B (en) * | 2009-12-23 | 2012-11-14 | 三一重型装备有限公司 | Hydraulic control loop used for jackdrill and control system thereof |
| CN102040992A (en) * | 2010-11-16 | 2011-05-04 | 赵金树 | Rod blockage prevention liquid for carbon dioxide huff-puff enhanced oil recovery and injection method thereof |
| CN102040992B (en) * | 2010-11-16 | 2013-05-22 | 赵金树 | Rod blockage prevention liquid for carbon dioxide huff-puff enhanced oil recovery and injection method thereof |
| 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 |
| 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 |
| CN102383778B (en) * | 2011-11-18 | 2014-05-28 | 山河智能装备股份有限公司 | Logic control loop for rock drilling operations of hydraulic rock drilling machine |
| CN102383778A (en) * | 2011-11-18 | 2012-03-21 | 山河智能装备股份有限公司 | Logic control loop for rock drilling operations of hydraulic rock drilling machine |
| CN102926738A (en) * | 2012-11-19 | 2013-02-13 | 无锡市京锡冶金液压机电有限公司 | Method for controlling anti-blocking of hydraulic drilling on line |
| CN102926657A (en) * | 2012-11-19 | 2013-02-13 | 无锡市京锡冶金液压机电有限公司 | Anti-blocking method for hydraulic propulsion circuit of rock drilling machine and rotary circuit in series connection |
| CN102926657B (en) * | 2012-11-19 | 2015-08-05 | 无锡市京锡冶金液压机电有限公司 | Connect with rotary loop anti-chucking method in a kind of rock cutter machine hydraulic drive loop |
| CN106438532A (en) * | 2016-11-12 | 2017-02-22 | 湘潭大学 | Electric proportional control type rock drill rock drilling efficiency automatic control system |
| CN106438532B (en) * | 2016-11-12 | 2018-01-09 | 湘潭大学 | A kind of electric proportional control formula rock drill rock penetration performance automatic control system |
| CN112832736A (en) * | 2019-11-23 | 2021-05-25 | 山东科技大学 | Automatic anti-sticking's hydraulic pressure colliery rig |
| CN112832736B (en) * | 2019-11-23 | 2023-07-14 | 山东科技大学 | Automatic anti-sticking bores hydraulic coal mine drilling machine |
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Open date: 20080806 |