CN216691663U - Control system for upper shackle feeding oil cylinder of full hydraulic drilling machine - Google Patents
Control system for upper shackle feeding oil cylinder of full hydraulic drilling machine Download PDFInfo
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- CN216691663U CN216691663U CN202123164761.5U CN202123164761U CN216691663U CN 216691663 U CN216691663 U CN 216691663U CN 202123164761 U CN202123164761 U CN 202123164761U CN 216691663 U CN216691663 U CN 216691663U
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- 238000005553 drilling Methods 0.000 title abstract description 22
- 239000003921 oil Substances 0.000 claims description 134
- 239000010720 hydraulic oil Substances 0.000 claims description 24
- 239000007788 liquid Substances 0.000 claims description 6
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 238000010521 absorption reaction Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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Abstract
The utility model discloses a control system for a shackle feeding oil cylinder of an all-hydraulic drilling machine, which relates to the technical field of engineering machinery and comprises a power unit, a main hydraulic system and an oil control system, wherein the power unit is connected with a main pump, an auxiliary pump and a motor, the main hydraulic system comprises an oil inlet oil circuit and an oil return oil circuit, the main hydraulic system is connected with a first hydraulic control reversing valve and a motor, the oil circuit of the control system is connected with a pilot handle through a pressure reducing valve, and the pilot handle simultaneously controls the first hydraulic control reversing valve and a shuttle valve of the main oil circuit. According to the utility model, the motor can be controlled to rotate simultaneously by arranging the pilot handle, the AB port of the oil cylinder is simultaneously communicated with the oil tank by combining the second hydraulic control reversing valve with the oil circuit in the valve block, so that the oil cylinder is floated, compared with a traditional drilling machine, the screw thread of a drill rod is well protected by the upper shackle, the service life is prolonged by 30%, the error rate of operation during the upper shackle is reduced to 0, and the hydraulic control drilling machine is safe and reliable.
Description
Technical Field
The utility model relates to the technical field of engineering machinery, in particular to a control system of a shackle feeding oil cylinder of a full hydraulic drilling machine.
Background
A complete hydraulic system consists of five parts, namely a power element, an actuator, a control element, auxiliary elements (accessories) and hydraulic oil. Hydraulic systems can be divided into two categories: hydraulic transmission systems and hydraulic control systems. Hydraulic drive systems have as a primary function the transmission of power and motion. The hydraulic control system is to make the output of the hydraulic system meet the specific performance requirement (especially the dynamic performance, the hydraulic system is mainly referred to as the hydraulic transmission system, the present all-hydraulic drill control system is generally a manual multi-way valve direct control system, one valve is responsible for the action of an actuating mechanism, in the process of the on-off of the drill, on one hand, a power head motor rotates, and simultaneously a feeding oil cylinder needs to follow up according to the on-off action, so that the power head oil cylinder is required to float at the moment, or the manual control back and forth movement is carried out according to the action requirement.
Therefore, there is a need for an improved control logic for hydraulic systems that reduces multi-valve control, manual control, increases the mechanical efficiency of the hydraulic system, reduces mechanical failures of the hydraulic system, and increases the service life of the hydraulic system.
SUMMERY OF THE UTILITY MODEL
Aiming at the technical problems, the system simultaneously controls the motor to rotate and the oil cylinder to float through the pilot handle, and the hydraulic control reversing valve is combined with an oil circuit inside the valve block to realize that an AB port of the oil cylinder is simultaneously communicated with an oil tank, so that the oil cylinder floats, compared with a traditional drilling machine, the thread protection of a drill rod is better by screwing up and unscrewing, the service life is prolonged by 30%, the error rate of operation is reduced to 0 during screwing up and unscrewing, and the system is safe and reliable.
The technical purpose of the utility model is realized by the following technical scheme:
the utility model provides a full-hydraulic drill is gone up and is broken out feed cylinder control system, includes power unit, main hydraulic system and accuse oil system, power unit is connected with main pump, auxiliary pump and motor, main hydraulic system includes oil feed oil circuit, oil return oil circuit, main hydraulic system is connected with first liquid accuse switching-over valve and motor, accuse oil system is connected with the guide handle, and the guide handle controls first liquid accuse switching-over valve of main oil circuit and shuttle valve simultaneously.
By adopting the technical scheme, the power unit, the main hydraulic system and the oil control system form a large closed loop power system, the same action can be realized by arranging the main pump and the auxiliary pump, the power guarantee is greatly improved, hydraulic oil is injected into a hydraulic motor through the first hydraulic control reversing valve and the oil inlet circuit by the main pump, the motor rotates, the hydraulic oil flows back to the oil tank through the first hydraulic control reversing valve and the oil return circuit, the auxiliary pump independently supplies oil to the control system and is connected with the pilot handle through the pressure reducing valve, the pilot handle simultaneously controls the first hydraulic control reversing valve and the shuttle valve of the main oil circuit, the first hydraulic control reversing valve can realize the rotation of the motor, the shuttle valve can logically and judge an upper shackle signal, then the hydraulic oil is introduced into the second hydraulic control reversing valve of the control oil circuit, the second hydraulic control reversing valve acts and is combined with the internal oil circuit of the hydraulic valve block, and the simultaneous connection of an AB port of the feeding oil cylinder to the oil tank can be realized, the floating follow-up function is realized, the rotation of the shackle on the drilling machine and the floating follow-up of the feeding oil cylinder can be realized through one handle, and the drilling machine is simple, convenient and safe.
A control system for a shackle feeding oil cylinder of a full hydraulic drilling machine is characterized in that a main pump and an auxiliary pump are connected with oil tanks.
Through adopting above-mentioned technical scheme, the oil tank is the key part that is used for accomodating the power medium among the entire system, and the main power of entire system derives from main pump, secondary pump and passes through the medium and produce.
A control system for a feeding oil cylinder of a full hydraulic drilling machine shackle is characterized in that a shuttle valve can guide hydraulic oil to a second hydraulic control reversing valve of a control oil way, the hydraulic control reversing valve acts, and an AB port of the feeding oil cylinder can be connected with an oil tank simultaneously by combining an internal oil way of a hydraulic valve block, so that a floating follow-up function is realized.
By adopting the technical scheme, through the logic and control principle of the hydraulic shuttle valve, the instruction of the upper shackle can be received and judged, and no matter any one oil port of the two oil inlets is fed, the outlet of the shuttle valve can output control oil pressure.
A control system for a shackle feeding oil cylinder of a full hydraulic drilling machine is characterized in that a pilot control system is independently supplied with oil by an auxiliary pump.
By adopting the technical scheme, the auxiliary pump independently supplies oil so as to provide power for the pilot handle and generate a make-up and break-out signal for the shuttle valve, and the shuttle valve controls the second hydraulic control reversing valve to act through the signal.
A control system for a shackle feeding oil cylinder of a full hydraulic drilling machine is characterized in that an oil inlet oil way is connected with an oil absorption filter.
Through adopting above-mentioned technical scheme, can guarantee when the oil tank supplies oil to the main pump, hydraulic oil at first passes through the oil absorption filter, and the oil absorption filter can filter the large granule thing in the hydraulic oil, and the magazine such as iron is cut again and is supplied oil to the main pump, and the hydraulic oil that can guarantee to inhale the main pump like this is clean, and then has guaranteed first liquid accuse switching-over valve, hydraulic motor's normal operating.
A control system for a shackle feeding oil cylinder of a full hydraulic drilling machine is characterized in that an oil return filter is connected to an oil return oil way.
Through adopting above-mentioned technical scheme, hydraulic oil link up the back in whole system, often takes some systems during the backward flow because particulate matters such as iron cutting that the friction produced, if do not filter through oil return filter, cause the trouble of valve, pump, motor very easily.
A control system for a shackle feeding oil cylinder of an all-hydraulic drilling machine is connected with a pressure reducing valve.
By adopting the technical scheme, the control system is mainly provided with the auxiliary pump for providing power, the pressure of the hydraulic oil directly coming out of the auxiliary pump is very high, and the pilot handle and the rear oil circuit are easily damaged, so that the pressure reduction treatment is carried out before the hydraulic oil enters the pilot handle.
In conclusion, the beneficial technical effects of the utility model are as follows:
(1) the pilot handle is arranged, so that the procedure of shackle mounting and dismounting of the drilling machine is reduced, the operation complexity of the drilling machine is reduced, and the accuracy is improved.
(2) Through the setting of guide's handle, can control the motor rotation and the hydro-cylinder floats, the hydraulic control switching-over valve combines with the inside oil circuit of valve block to realize that hydro-cylinder AB mouth communicates the oil tank simultaneously to realize that the hydro-cylinder floats.
(3) Through setting up main pump, auxiliary pump pair, improved entire system's power, separately realize the action with main pump, auxiliary pump, avoided logic signal's emergence overlapping.
(4) The service life of the drill rod is prolonged through the floating of the upper shackle oil cylinder.
Drawings
FIG. 1 is a schematic diagram of an overall system of one embodiment of the present invention;
reference numerals: 1. a power unit; 2. a primary hydraulic system; 3. controlling an oil path system; 4. a motor; 5. a main pump; 6. a secondary pump; 7. a first hydraulic control directional control valve; 8. a motor; 9. a pressure reducing valve; 10. a pilot handle; 11. a shuttle valve; 12. a second hydraulic control directional control valve; 13. a feed cylinder; 14. an oil absorption filter; 15. and an oil return filter.
Detailed Description
The present invention will now be described more fully hereinafter with reference to the accompanying examples.
Referring to the attached drawing 1, the control system of the upper shackle feeding oil cylinder 13 of the full hydraulic drilling machine comprises a power unit 1, a main hydraulic system 2 and a control system, wherein the power unit 1 is connected with a main pump 5, an auxiliary pump 6 and a motor 4, the main hydraulic system 2 comprises an oil inlet oil way and an oil return oil way, the main hydraulic system 2 is connected with a first hydraulic control reversing valve 7 and a motor 8, the control system is connected with a pilot handle 10, the pilot handle 10 simultaneously controls the first hydraulic control reversing valve 7 and a shuttle valve 11 of the main oil way, the shuttle valve 11 can guide hydraulic oil to a second hydraulic control reversing valve 12 of the control oil way, the second hydraulic control reversing valve 12 acts, and the internal oil way of a hydraulic valve block is combined, so that the AB port of the feeding oil cylinder 13 can be simultaneously connected with an oil tank, and the floating follow-up function is realized.
When the system is used, firstly, the motor 4 is started, the motor 4 drives the main pump 5 to operate, hydraulic oil contained in an oil tank passes through the oil absorption filter 14, the hydraulic oil reaches the first hydraulic control reversing valve 7 and the hydraulic motor 8 through the oil inlet oil way, at the moment, the hydraulic motor 8 starts to be started, and then the hydraulic oil returns to flow into the oil tank through the first hydraulic control reversing valve 7 and the oil return oil way; meanwhile, the auxiliary pump 6 is started to enable hydraulic oil to firstly pass through the oil absorption filter 14 from an oil tank and then reach the pressure reducing valve 9 through the oil inlet oil way, the pressure reducing valve 9 is connected with the pilot handle 10, the pilot handle 10 simultaneously controls the first hydraulic control reversing valve 7 and the shuttle valve 11 of the main oil way to achieve rotation of the hydraulic motor 8, after the hydraulic oil reaches the shuttle valve 11, the shuttle valve 11 can logically and judge a tripping signal, then the control oil is guided to the second hydraulic control reversing valve 12 of the control oil way, the second hydraulic control reversing valve 12 acts, and by combining with the internal oil way of the hydraulic valve block, simultaneous connection of an AB port of the feeding oil cylinder 13 with the oil tank can be achieved, and the floating follow-up function is achieved.
Through setting up guide handle 10, the operation of first liquid accuse switching-over valve 7 and motor 8 on can the simultaneous control main hydraulic system 2, opens and close of a plurality of valves of device simultaneous control through guide handle 10, greatly reduced the artifical mistake that appears when the operation, indirect improvement the life of drilling rod.
By arranging the oil suction filter 14 on the oil inlet oil way and the oil return filter 15 on the oil return oil way, the whole cleaning of the entering and returning hydraulic oil can be ensured, the safe operation of the whole system is further improved, and the service life of the drilling machine is prolonged.
The utility model has the advantages that: the utility model has the obvious advantages that the pilot handle 10 simultaneously controls the first hydraulic control reversing valve 7 and the shuttle valve 11 of the main oil path to realize the rotation of the motor, after hydraulic oil reaches the shuttle valve 11, the shuttle valve 11 guides the control oil to the hydraulic control reversing valve of the control oil path, the hydraulic control reversing valve acts, and the opening AB of the feeding oil cylinder 13 can be simultaneously connected with the oil tank by combining the internal oil path of the hydraulic valve block to realize the floating follow-up function, and in the process of the shackle on the drilling machine, the rotation of the shackle on the drilling machine and the floating follow-up of the feeding oil cylinder can be realized through the pilot handle 10, so that the operation is simple, convenient and safe.
The working principle of the embodiment is as follows: the motor 4 drives the main pump 5 to operate, the main pump 5 conveys hydraulic oil to the first hydraulic control reversing valve 7 and the hydraulic motor 8 through the main hydraulic system 2, at the moment, the hydraulic motor 8 starts to start, and then the hydraulic oil returns to flow into an oil tank through the first hydraulic control reversing valve 7 and an oil return oil way; meanwhile, the auxiliary pump 6 is started to enable hydraulic oil to reach the pressure reducing valve 9 through the oil inlet oil way, the pressure reducing valve 9 is connected with the pilot handle 10, the pilot handle 10 simultaneously controls the first hydraulic control reversing valve 7 and the shuttle valve 11 of the main oil way, rotation of the motor 8 is achieved, after the hydraulic oil reaches the shuttle valve 11, the shuttle valve 11 sends out signals through logic and judgment, the control oil is guided to the second hydraulic control reversing valve 12 of the control oil way through the signals, the second hydraulic control reversing valve 12 acts, and by combining with the internal oil way of the hydraulic valve block, simultaneous oil receiving of an AB port of the feeding oil cylinder 13 can be achieved, and the floating follow-up function is achieved.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered by the protection scope of the utility model.
Claims (7)
1. The utility model provides a make-up and break-out feed cylinder (13) control system on full hydraulic drill which characterized in that: including power pack (1), main hydraulic system (2) and accuse oil system, power pack (1) is connected with main pump (5), auxiliary pump (6) and motor (4), main hydraulic system (2) are including oil feed oil circuit, oil return oil circuit, main hydraulic system (2) are connected with first liquid accuse switching-over valve (7) and motor (8), accuse oil system is connected with guide handle (10), guide handle (10) control main oil circuit first liquid accuse switching-over valve (7) and shuttle valve (11).
2. The control system of the break-out feed cylinder (13) of the full hydraulic drill according to claim 1, characterized in that: the main pump (5) and the auxiliary pump (6) are connected with an oil tank.
3. The control system of the break-out feed cylinder (13) of the full hydraulic drill according to claim 1, characterized in that: the shuttle valve (11) can guide hydraulic oil to a second hydraulic control reversing valve (12) of the control oil way, the second hydraulic control reversing valve (12) acts, and the AB port of the feeding oil cylinder (13) can be connected with an oil tank simultaneously by combining the internal oil way of the hydraulic valve block, so that the floating follow-up function is realized.
4. The control system of the break-out feed cylinder (13) of the full hydraulic drill according to claim 1, characterized in that: the pilot control system is solely supplied with oil by the auxiliary pump (6).
5. The control system of the break-out feed cylinder (13) of the full hydraulic drill according to claim 1, characterized in that: an oil suction filter (14) is connected to the oil inlet oil path.
6. The control system of the break-out feed cylinder (13) of the full hydraulic drill according to claim 1, characterized in that: and the oil return oil path is connected with an oil return filter.
7. The control system of the break-out feed cylinder (13) of the full hydraulic drill according to claim 1, characterized in that: and the oil control system is connected with a pressure reducing valve (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123164761.5U CN216691663U (en) | 2021-12-15 | 2021-12-15 | Control system for upper shackle feeding oil cylinder of full hydraulic drilling machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123164761.5U CN216691663U (en) | 2021-12-15 | 2021-12-15 | Control system for upper shackle feeding oil cylinder of full hydraulic drilling machine |
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| CN216691663U true CN216691663U (en) | 2022-06-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202123164761.5U Active CN216691663U (en) | 2021-12-15 | 2021-12-15 | Control system for upper shackle feeding oil cylinder of full hydraulic drilling machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115788988A (en) * | 2022-11-30 | 2023-03-14 | 中煤科工西安研究院(集团)有限公司 | An electro-hydraulic system and control method for threading on and off an automatic drilling rig |
| CN116142976A (en) * | 2022-12-29 | 2023-05-23 | 徐工集团工程机械股份有限公司建设机械分公司 | Pipelayer hydraulic system, pipelayer electrical system and multifunctional pipelayer |
-
2021
- 2021-12-15 CN CN202123164761.5U patent/CN216691663U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115788988A (en) * | 2022-11-30 | 2023-03-14 | 中煤科工西安研究院(集团)有限公司 | An electro-hydraulic system and control method for threading on and off an automatic drilling rig |
| CN116142976A (en) * | 2022-12-29 | 2023-05-23 | 徐工集团工程机械股份有限公司建设机械分公司 | Pipelayer hydraulic system, pipelayer electrical system and multifunctional pipelayer |
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