CN104235088A - Drilling rig hydraulic system - Google Patents
Drilling rig hydraulic system Download PDFInfo
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- CN104235088A CN104235088A CN201410256953.4A CN201410256953A CN104235088A CN 104235088 A CN104235088 A CN 104235088A CN 201410256953 A CN201410256953 A CN 201410256953A CN 104235088 A CN104235088 A CN 104235088A
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Abstract
The invention discloses a drilling rig hydraulic system, aiming to solve the technical problem of inconvenience in use of existing drilling rig hydraulic systems. The technical scheme includes that on the basis of a conventional hydraulic system, conventional functions of clamping, drilling and pressurized drilling of a drill pipe of a drilling rig are kept, a moving cylinder, three support cylinders, a base and two reversing valves of a hydraulic valve block are all removed, and two hydraulic motors, two travel components, two hydraulic locks, four check valves and one pressure reducing valve are added; thus, the drilling rig can be moved by any distance by operating the reversing valves to the same direction simultaneously in one step, and automatic steering of the drilling rig is achieved by changing inflow rate of the two hydraulic motors. With the drilling rig hydraulic system, the drilling rig can be controlled to move forwards and backwards and turn automatically conveniently without limit in moving distance.
Description
Technical field
The present invention relates to a kind of hydraulic system, particularly a kind of drilling rig hydraulic system.
Background technique
With reference to Fig. 2, existing drilling rig hydraulic system comprises fuel tank 1, oil absorption filter 2, motor 3, duplex pump 4, pressure gauge 5, fuel sucking pipe 6, relief valve 7, first selector valve 8, second selector valve 9, 3rd selector valve 10, 4th selector valve 11, throttle valve 12, first oil pipe 13, feed oil cylinder 15, second oil pipe 17, 3rd oil pipe 18, add locking oil cylinder 19, base 20, Shift cylinder piston rod 21, 4th oil pipe 22, 5th oil pipe 23, Shift cylinder cylinder body 24, Shift cylinder 25, frame 26, 6th oil pipe 27, support oil cylinder cylinder body 28, support oil cylinder 29, support oil cylinder piston rod 30, 7th oil pipe 31 and total return tube 33.Described duplex pump 4 is connected to fuel tank 1 by oil absorption filter 2, and motor 3 is connected with duplex pump 4 as duplex pump 4 power; Distributing valve 32 is connected with fuel sucking pipe 6 with duplex pump 4, and the control single pump work of duplex pump 4 or double pump work simultaneously; Pressure gauge 5 is connected on the pressure of display system hydraulic oil on fuel sucking pipe 6; Relief valve 7, first selector valve 8, second selector valve 9, the 3rd selector valve 10, the 4th selector valve 11 are connected with fuel sucking pipe 6, return tube 25 regulating system pressure, and feed oil cylinder 15, add locking oil cylinder 19, Shift cylinder 25, support oil cylinder 29 in sequence with direction action; 4th selector valve 11 by the first oil pipe 13 and the second oil pipe 17 throttle valve 12 with feed oil cylinder 15 and be connected, the pressurization controlling drilling rod is crept into, and throttle valve 12 controls the recirculating oil quantity feeding oil cylinder 12 cavity of resorption, to reach the object controlling rod boring pressure; 3rd selector valve 10 by the 3rd oil pipe 18 with add locking oil cylinder 19 and be connected, control stepping up and unclamping of drilling rod; Second selector valve 9 is connected with Shift cylinder 25 with the 5th oil pipe 23 by the 4th oil pipe 22; First selector valve 8 is connected with support oil cylinder 29 with the 7th oil pipe 31 by the 6th oil pipe 27; Shift cylinder piston rod 21 is connected with base 20, and Shift cylinder cylinder body 24 is connected with frame 26; Support oil cylinder 29, feed oil cylinder 15, add locking oil cylinder 19 and be also arranged in frame 26; Frame 26 is arranged on base 20, and two parts can movement mutually.When equipment needs mobile, first starting electrical machinery 3 drives duplex pump 4 to be system fuel feeding by fuel sucking pipe 6, the second change-over valve core controlling Shift cylinder 25 moves right, hydraulic oil enters the right chamber of Shift cylinder 25 by the 4th oil pipe 22, frame 26 moves forward under the drive of Shift cylinder cylinder body 24, and the ultimate range of movement is the stroke 400 millimeters of Shift cylinder 25.Secondly the spool of the first selector valve 8 moves right, hydraulic oil enters the epicoele of support oil cylinder 29 by the 6th oil pipe 27, support oil cylinder piston rod 30 stretches out frame 26 jack-up downwards, base 20 is also taken up simultaneously, again the second selector valve 9 spool controlling Shift cylinder 25 is moved to the left, hydraulic oil enters the left chamber of Shift cylinder 25 by the 5th oil pipe 23, base 20 moves forward under the drive of Shift cylinder cylinder body 24, then the change-over valve core controlling support oil cylinder 29 is moved to left, support oil cylinder piston rod 30 is regained by the cavity of resorption that hydraulic oil enters support oil cylinder 29 by the 7th oil pipe 31, base 20 lands, finally the second selector valve 9 spool controlling Shift cylinder 25 is moved right, hydraulic oil enters the right chamber of Shift cylinder 25 by the 5th oil pipe 23, frame 26 is driven to move on base 20 while Shift cylinder piston rod 21 is return in Shift cylinder cylinder body 24, now complete machine moves and just completes.Drilling-machine shifter process need is by controlling Shift cylinder 26 and three support oil cylinders 29, and just can complete according to sequencing and direction of action, complicated operation, drilling-machine shifter is apart from limited.Do not control the hydraulic system that rig turns to, so rig cannot auto-steering.
Summary of the invention
In order to overcome the awkward deficiency of existing drilling rig hydraulic system.The invention provides a kind of drilling rig hydraulic system.This drilling rig hydraulic system is on the basis of original hydraulic system, do not change the original drilling rod of rig to step up, creep into and pressurize the function of creeping into, remove Shift cylinder, three support oil cylinders and base, remove two selector valves in hydraulic valve bank, increase by two oil hydraulic motors and ground-engaging element, two hydraulic lock, four one-way valves, reduction valve, achieve simultaneously equidirectional reversing valve operated once just can the random function of finishing equipment displacement distance, realized the function of equipment auto-steering by the flow changing inflow two oil hydraulic motors.Can the movable and auto-steering of control apparatus easily, and displacement distance is unrestricted.
The technical solution adopted for the present invention to solve the technical problems is: a kind of drilling rig hydraulic system, comprises fuel tank 1, oil absorption filter 2, motor 3, duplex pump 4, pressure gauge 5, fuel sucking pipe 6, throttle valve 12, first oil pipe 13, feeds oil cylinder 15, second oil pipe 17, the 3rd oil pipe 18, adds locking oil cylinder 19, frame 26 and distributing valve 32; Duplex pump 4 pipeline is communicated with fuel tank 1 by oil absorption filter 2, and motor 3 output shaft and duplex pump 4 are connected; Distributing valve 32 pipeline is communicated with fuel sucking pipe 6 with duplex pump 4, pressure gauge 5 is connected on the pressure of display system hydraulic oil on fuel sucking pipe 6 pipeline, is characterized in also comprising reduction valve 35, second oil inlet pipe 36, the 7th selector valve 39, hydraulic lock 40, one-way valve 41, little relief valve 42, oil hydraulic motor 43, ground-engaging element 45, the 5th selector valve 47, the 6th selector valve 48 and electromagnetic relief valve 50.Described oil hydraulic motor 43 has two, be arranged on ground-engaging element 45 respectively, one end of two oil hydraulic motor 43 pipelines is communicated with total return tube 33 respectively by hydraulic lock 40, the 7th selector valve 39, the other end of two oil hydraulic motor 43 pipelines is communicated with the second oil inlet pipe 36 respectively by hydraulic lock 40, the 7th selector valve 39, and the second oil inlet pipe 36 is communicated with fuel sucking pipe 6 by reduction valve 35; Feed one end of oil cylinder 15 pipeline by the first oil pipe 13 and the 6th selector valve 48 pipeline connection, the other end feeding oil cylinder 15 pipeline is communicated with by the second oil pipe 17 one end with throttle valve 12 pipeline, the other end of throttle valve 12 pipeline and the 6th selector valve 48 pipeline connection, the 6th selector valve 48 pipeline is also communicated with total return tube 33 with fuel sucking pipe 6 respectively; Add locking oil cylinder 19 pipeline by the 3rd oil pipe 18 and the 5th selector valve 47 pipeline connection, the 5th selector valve 47 pipeline is also communicated with total return tube 33 with fuel sucking pipe 6 respectively; Feeding oil cylinder 15 and adding locking oil cylinder 19 is arranged in frame 26 respectively; Frame 26 is arranged on ground-engaging element 45.
Described oil hydraulic motor 43 pipeline is parallel with one-way valve 41 and relief valve 42.
Also comprise electromagnetic relief valve 50, described electromagnetic relief valve 50 pipeline is connected in parallel between fuel sucking pipe 6 and total return tube 33.
Also comprise pressure meter switch 37, described pressure meter switch 37 plays the effect of protection and maintenance pressure table.
The invention has the beneficial effects as follows: this drilling rig hydraulic system is on the basis of original hydraulic system, do not change the original drilling rod of rig to step up, creep into and pressurize the function of creeping into, remove Shift cylinder, three support oil cylinders and base, remove two selector valves in hydraulic valve bank, increase by two oil hydraulic motors and ground-engaging element, two hydraulic lock, four one-way valves, reduction valve, achieve simultaneously equidirectional reversing valve operated once just can the random function of finishing equipment displacement distance, realized the function of equipment auto-steering by the flow changing inflow two oil hydraulic motors.Can the movable and auto-steering of control apparatus easily, and displacement distance is unrestricted.
Below in conjunction with the drawings and specific embodiments, the present invention is elaborated.
Accompanying drawing explanation
Fig. 1 is the structural representation of drilling rig hydraulic system of the present invention.
Fig. 2 is the structural representation of background technique drilling rig hydraulic system.
In figure, 1-fuel tank, 2-oil-suction oil filter, 3-motor, 4-duplex pump, 5-pressure gauge, 6-fuel sucking pipe, 7-relief valve, 8-first selector valve, 9-second selector valve, 10-the 3rd selector valve, 11-the 4th selector valve, 12-throttle valve, 13-first oil pipe, 15-feeds oil cylinder, 17-second oil pipe, 18-the 3rd oil pipe, 19-adds locking oil cylinder, 20-base, 21-Shift cylinder piston rod, 22-the 4th oil pipe, 23-the 5th oil pipe, 24-Shift cylinder cylinder body, 25-Shift cylinder, 26-frame, 27-the 6th oil pipe, 28-support oil cylinder cylinder body, 29-support oil cylinder, 30-support oil cylinder piston rod, 31-the 7th oil pipe, 32-distributing valve, the total return tube of 33-, 35-reduction valve, 36-second oil inlet pipe, 37-pressure meter switch, 39-the 7th selector valve, 40-hydraulic lock, 41-one-way valve, the little relief valve of 42-, 43-oil hydraulic motor, 45-ground-engaging element, 47-the 5th selector valve, 48-the 6th selector valve, 50-electromagnetic relief valve.
Embodiment
With reference to Fig. 1, drilling rig hydraulic system of the present invention comprises fuel tank 1, oil absorption filter 2, motor 3, duplex pump 4, pressure gauge 5, fuel sucking pipe 6, throttle valve 12, first oil pipe 13, feeds oil cylinder 15, second oil pipe 17, the 3rd oil pipe 18, adds locking oil cylinder 19, frame 26, distributing valve 32, total return tube 33, second oil inlet pipe 36, pressure meter switch 37, the 7th selector valve 39, hydraulic lock 40, one-way valve 41, little relief valve 42, oil hydraulic motor 43, ground-engaging element 45, the 5th selector valve 47, the 6th selector valve 48 and electromagnetic relief valve 50.Two oil hydraulic motors 43 are arranged on ground-engaging element 45 respectively, one end of two oil hydraulic motor 43 pipelines is communicated with total return tube 33 respectively by hydraulic lock 40, the 7th selector valve 39, the other end of two oil hydraulic motor 43 pipelines is communicated with the second oil inlet pipe 36 respectively by hydraulic lock 40, the 7th selector valve 39, and the second oil inlet pipe 36 is communicated with fuel sucking pipe 6 by reduction valve 35; Feed one end of oil cylinder 15 pipeline by the first oil pipe 13 and the 6th selector valve 48 pipeline connection, the other end feeding oil cylinder 15 pipeline is communicated with by the second oil pipe 17 one end with throttle valve 12 pipeline, the other end of throttle valve 12 pipeline and the 6th selector valve 48 pipeline connection, 6th selector valve 48 pipeline is also communicated with total return tube 33 with fuel sucking pipe 6 respectively, the pressurization controlling drilling rod is crept into, throttle valve 12 controls the recirculating oil quantity feeding oil cylinder 15 cavity of resorption, to reach the object controlling rod boring pressure; Add locking oil cylinder 19 pipeline by the 3rd oil pipe 18 and the 5th selector valve 47 pipeline connection, the 5th selector valve 47 pipeline is also communicated with total return tube 33 with fuel sucking pipe 6 respectively, controls stepping up and unclamping of drilling rod; Feeding oil cylinder 15 and adding locking oil cylinder 19 is arranged in frame 26 respectively; Frame 26 is arranged on ground-engaging element 45; Duplex pump 4 pipeline is communicated with fuel tank 1 by oil absorption filter 2, and motor 3 is as duplex pump 4 power, and its output shaft and duplex pump 4 are connected; Distributing valve 32 pipeline is communicated with fuel sucking pipe 6 with duplex pump 4, and the control single pump work of duplex pump 4 or double pump work simultaneously; Pressure gauge 5 is connected on the pressure of display system hydraulic oil on fuel sucking pipe 6 pipeline.
Drilling rig hydraulic system specific works process: motor 3 drives duplex pump 4 to draw hydraulic oil in fuel tank 1 to system fuel feeding by oil absorption filter 2, and distributing valve 32 is connected with duplex pump 4, controls the single pump work of duplex pump 4 or double pump works simultaneously; The maximum pressure of electromagnetic relief valve 50 control system; Reduction valve 35 ensures the oil pressure pressure stability of being defeated by oil hydraulic motor 43; Pressure meter switch 37 plays protection pressure gauge and maintenance pressure table acts on easily.Hydraulic pressure oil content two-way, leading up to reduction valve 35, second oil inlet pipe 36, the 7th selector valve 39, hydraulic lock 40 removes oil hydraulic motor 43, separately leading up to the 5th selector valve 47 and the 6th selector valve 48 goes feed oil cylinder 15 and add locking oil cylinder 19, and two oil circuits are separate, mutual noninterference.
Feed oil cylinder 15 same as the prior art with the control and function adding locking oil cylinder 19.Unlike: when supplying hydraulic oil to two oil hydraulic motors 43 by reduction valve 35, second oil inlet pipe 36, the 7th selector valve 39, hydraulic lock 40 1 tunnel simultaneously, two oil hydraulic motors 43 drive two ground-engaging elements 45 to move respectively, because other parts are all arranged on ground-engaging element 45, so namely the movement of ground-engaging element 45 also achieves the movement of rig; If constantly supply oil hydraulic motor 43 hydraulic oil, rig is by constantly movement; When the hydraulic fluid flow rate supplying to two oil hydraulic motors 43 is different, the oil hydraulic motor 43 that fuel delivery is large rotates soon, and the oil hydraulic motor 43 that fuel delivery is little rotates slowly, and they drive ground-engaging element 45 to turn to and also namely achieve turning to of rig; The direction of liquid in-out pressure motor 43 hydraulic oil can be changed by the 7th selector valve 39, thus realize the function that rig moves forward and backward.Two-way hydraulic lock 40 wherein prevents from descending misoperation in working order, plays safety protection effect.One-way valve 41 and relief valve 42 are that rig prevents load from becoming suddenly large or unexpected stopping, advancing and cause Impact in Hydraulic System in the process of moving forward and backward, and play safety protection effect.
Claims (4)
1. a drilling rig hydraulic system, comprises fuel tank (1), oil absorption filter (2), motor (3), duplex pump (4), pressure gauge (5), fuel sucking pipe (6), throttle valve (12), the first oil pipe (13), feeds oil cylinder (15), the second oil pipe (17), the 3rd oil pipe (18), adds locking oil cylinder (19), frame (26) and distributing valve (32); Duplex pump (4) pipeline is communicated with fuel tank (1) by oil absorption filter (2), and motor (3) output shaft and duplex pump (4) are connected; Distributing valve (32) pipeline is communicated with fuel sucking pipe (6) with duplex pump (4), pressure gauge (5) is connected on the pressure of display system hydraulic oil on fuel sucking pipe (6) pipeline, it is characterized in that: also comprise reduction valve (35), the second oil inlet pipe (36), the 7th selector valve (39), hydraulic lock (40), oil hydraulic motor (43), ground-engaging element (45), the 5th selector valve (47) and the 6th selector valve (48); Described oil hydraulic motor (43) has two, be arranged on ground-engaging element (45) respectively, one end of two oil hydraulic motor (43) pipelines is communicated with total return tube (33) respectively by hydraulic lock (40), the 7th selector valve (39), the other end of two oil hydraulic motor (43) pipelines is communicated with the second oil inlet pipe (36) respectively by hydraulic lock (40), the 7th selector valve (39), and the second oil inlet pipe (36) is communicated with fuel sucking pipe (6) by reduction valve (35); Feed one end of oil cylinder (15) pipeline by the first oil pipe (13) and the 6th selector valve (48) pipeline connection, the other end feeding oil cylinder (15) pipeline is communicated with one end of throttle valve (12) pipeline by the second oil pipe (17), the other end of throttle valve (12) pipeline and the 6th selector valve (48) pipeline connection, the 6th selector valve (48) pipeline is also communicated with total return tube (33) with fuel sucking pipe (6) respectively; Add locking oil cylinder (19) pipeline by the 3rd oil pipe (18) and the 5th selector valve (47) pipeline connection, the 5th selector valve (47) pipeline is also communicated with total return tube (33) with fuel sucking pipe (6) respectively; Feeding oil cylinder (15) and adding locking oil cylinder (19) is arranged in frame (26) respectively; Frame (26) is arranged on ground-engaging element (45).
2. drilling rig hydraulic system according to claim 1, is characterized in that: described oil hydraulic motor (43) pipeline is parallel with one-way valve (41) and relief valve (42).
3. drilling rig hydraulic system according to claim 1, it is characterized in that: also comprise electromagnetic relief valve (50), described electromagnetic relief valve (50) pipeline is connected in parallel between fuel sucking pipe (6) and total return tube (33).
4. drilling rig hydraulic system according to claim 1, is characterized in that: also comprise pressure meter switch (37), and described pressure meter switch (37) plays the effect of protection and maintenance pressure table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410256953.4A CN104235088A (en) | 2014-06-11 | 2014-06-11 | Drilling rig hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410256953.4A CN104235088A (en) | 2014-06-11 | 2014-06-11 | Drilling rig hydraulic system |
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| Publication Number | Publication Date |
|---|---|
| CN104235088A true CN104235088A (en) | 2014-12-24 |
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ID=52223807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410256953.4A Pending CN104235088A (en) | 2014-06-11 | 2014-06-11 | Drilling rig hydraulic system |
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| Country | Link |
|---|---|
| CN (1) | CN104235088A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106337848A (en) * | 2016-09-26 | 2017-01-18 | 东洋重工机（大连）有限公司 | Hydraulic power unit |
| CN106762887A (en) * | 2016-12-19 | 2017-05-31 | 陕西科技大学 | The adjustable caterpillar drilling machine hydraulic system of one kind load |
| WO2021016885A1 (en) * | 2019-07-30 | 2021-02-04 | 广西恒日科技股份有限公司 | Hydraulic control system for fully hydraulic wheel rock drill |
-
2014
- 2014-06-11 CN CN201410256953.4A patent/CN104235088A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106337848A (en) * | 2016-09-26 | 2017-01-18 | 东洋重工机（大连）有限公司 | Hydraulic power unit |
| CN106762887A (en) * | 2016-12-19 | 2017-05-31 | 陕西科技大学 | The adjustable caterpillar drilling machine hydraulic system of one kind load |
| CN106762887B (en) * | 2016-12-19 | 2018-06-12 | 陕西科技大学 | A kind of adjustable caterpillar drilling machine hydraulic system of load |
| WO2021016885A1 (en) * | 2019-07-30 | 2021-02-04 | 广西恒日科技股份有限公司 | Hydraulic control system for fully hydraulic wheel rock drill |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141224 |