CN216767910U - Four-gear hydraulic rotary table for petroleum drilling and workover rig - Google Patents
Four-gear hydraulic rotary table for petroleum drilling and workover rig Download PDFInfo
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- CN216767910U CN216767910U CN202220127610.8U CN202220127610U CN216767910U CN 216767910 U CN216767910 U CN 216767910U CN 202220127610 U CN202220127610 U CN 202220127610U CN 216767910 U CN216767910 U CN 216767910U
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Abstract
The utility model provides a four-gear hydraulic rotary table for an oil drilling and workover rig, which comprises a rotary table body assembly, wherein the rotary table body assembly is provided with a large hydraulic motor and a small hydraulic motor which are connected, one side of the large hydraulic motor and one side of the small hydraulic motor are provided with a duplex multi-way valve box body, the duplex multi-way valve box body is communicated with a three-stage pressure regulating overflow valve, the three-stage pressure regulating overflow valve is communicated with a large gear pump and a small gear pump, an operation panel is arranged on an operation table, and the duplex multi-way valve box body is respectively connected with the large hydraulic motor and the small hydraulic motor. The hydraulic pump is driven by the diesel engine through the pump box, shares a hydraulic oil tank with the main vehicle hydraulic system, and is not required to be provided with an additional hydraulic station. Through the cooperation use of two gear pumps and two hydraulic motor, can realize four gear operating modes of hydraulic pressure carousel to change system's pressure through tertiary pressure regulating overflow valve, adjust the carousel rotation moment of torsion. The whole device is simple to operate, low in energy consumption and high in efficiency. Simple structure, convenient installation, operation and maintenance and strong pollution resistance.
Description
Technical Field
The utility model relates to the field of grinding machine processing, in particular to a four-gear hydraulic rotary table for an oil drilling and workover rig.
Background
In the prior art, the rotary table of the oil drilling machine is mostly in a mechanical type, and the power of the rotary table is input into a rotary table driving shaft through a reduction gearbox and a clutch by an engine or a motor output shaft, so that the rotary table is driven to rotate. Especially, the rotary table such as the vehicle-mounted drilling and repairing machine is generally required to be provided with a long transmission shaft, a chain box and the like. The hydraulic turntable in the prior art has the advantages of complex transmission structure, large volume, inconvenient installation and maintenance and higher energy consumption. With the development of the petroleum drilling process and the improvement of the equipment manufacturing technology, the top drive is used as a power device for driving a drilling tool to rotate, and the power device replaces a conventional mechanical rotary table to become the mainstream configuration of the petroleum drilling machine, and the rotary table is mainly used as an emergency movable drill column and a standby device for supporting the drill column when the top drive fails. The hydraulic rotary table is generally directly driven by a low-speed large-torque hydraulic motor, the rotating speed and the torque can meet the requirements of drilling operation, and compared with the traditional mechanical rotary table, the hydraulic rotary table has the advantages of compact structure, convenience in operation and maintenance, low cost and the like. At present, hydraulic turntables of a plurality of manufacturers at home and abroad are widely applied to various petroleum drilling machines, particularly marine petroleum drilling machines, such as American national oil wells, Germany WIRTH, gem machines and the like, have different structures and application conditions, are generally suitable for large module drilling machines, and need to be provided with a hydraulic power station independently. With the increasing arrangement of top drives of small-sized drilling machines and vehicle-mounted drilling and repairing machines, the development of hydraulic turntables matched with the small-sized drilling machines and the vehicle-mounted drilling and repairing machines is needed. The hydraulic rotary table in the prior art needs to be additionally provided with a hydraulic power station, and cannot be used as an emergency equipment movable drill column and a suspended underground drill column when a top drive fails, so that a large amount of work site loss is caused, the transmission structure is complex, the size is large, the installation and maintenance are inconvenient, and the energy consumption is high.
Chinese patent document CN206592070U describes a multi-gear hydraulic rotary table for a small workover rig, which comprises a hydraulic transmission device, an input shaft assembly, a lubricating oil pump, an intermediate shaft I assembly, an intermediate shaft II assembly, an oil absorption filter, an upper box body, a lower box body, a rotary table core, a rubber core, an output shaft assembly, a rotary table, a connecting flange, and the like. The method is characterized in that: the hydraulic transmission device is connected with the input shaft assembly through the coupler, the input shaft assembly drives the intermediate shaft I assembly through the variable gear pair, the input shaft assembly is provided with a sliding gear sleeve, and the shifting fork shifts the sliding gear sleeve to complete the meshing selection of the gear pair on the input shaft. The intermediate shaft I assembly drives the intermediate shaft II assembly through the variable gear pair, a sliding gear is arranged on the intermediate shaft I assembly, the sliding gear is shifted by the shifting fork, and meshing selection of the gear pair on the intermediate shaft I assembly is completed. The shaft II assembly drives the output shaft assembly through the fixed gear pair to complete the driving of the turntable. However, the device needs to be additionally provided with a hydraulic power station, the transmission structure is complex, the size is large, the installation and the maintenance are inconvenient, the use has defects, and the improvement is needed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a four-gear hydraulic rotary table for an oil drilling and workover rig, which solves the problems of complicated structure, difficult use and maintenance and higher cost of the existing hydraulic rotary table due to the fact that a power source is additionally provided with a hydraulic power station.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows: the utility model provides a four-gear type hydraulic pressure carousel for oil drilling workover rig, includes carousel body assembly, and carousel body assembly is equipped with big hydraulic motor and the little hydraulic motor of connection, and big hydraulic motor and little hydraulic motor one side are equipped with two duplex multiple valve box, and two duplex multiple valve box and tertiary pressure regulating overflow valve intercommunication, tertiary pressure regulating overflow valve and big gear pump and little gear pump intercommunication are equipped with operating panel on the operation panel, and two duplex multiple valve box are connected with big hydraulic motor and little hydraulic motor respectively.
In the preferred scheme, a large gear pump and a small gear pump are installed on a pump box through spline shafts and flange plates.
In the preferred scheme, tertiary pressure regulating overflow valve includes first solenoid valve and second solenoid valve, and big gear pump and the P1 through-port intercommunication of second solenoid valve, little gear pump and the P2 through-port intercommunication of first solenoid valve.
In the preferred scheme, a first three-position electric control knob and a second three-position electric control knob are arranged on the operation panel and are respectively connected with the first electromagnetic valve and the second electromagnetic valve through control cables.
In the preferred scheme, a pressure oil port A of the three-level pressure regulating overflow valve is connected with an oil inlet of the duplex multi-way valve box body through a hydraulic pipeline, and an oil drainage port T of the three-level pressure regulating overflow valve is connected with a pressure oil tank of main hydraulic oil through a hydraulic pipeline.
In a preferable scheme, a first pneumatic control type three-position four-way hydraulic reversing valve and a second pneumatic control type three-position four-way hydraulic reversing valve are arranged on the duplex multi-way valve box body, and a first three-position four-way air passage reversing valve and a second three-position four-way air passage reversing valve which are communicated with each other are arranged on the operation panel.
In the preferred scheme, a first reversing control cylinder and a second reversing control cylinder are respectively arranged on the first pneumatic control type three-position four-way hydraulic reversing valve and the second pneumatic control type three-position four-way hydraulic reversing valve.
In a preferable scheme, an A, B port of the first pneumatic control type three-position four-way hydraulic reversing valve is connected with a A, B port of a large hydraulic motor through a hydraulic pipeline, and a A, B port of the second pneumatic control type three-position four-way hydraulic reversing valve is connected with a A, B port of a small hydraulic motor through a hydraulic pipeline.
In a preferable scheme, an A, B port of the first three-position four-ventilation-path reversing valve is respectively connected with a A, B port of the first reversing control cylinder through an air pipeline, and a A, B port of the second three-position four-ventilation-path reversing valve is respectively connected with a A, B port of the second reversing control cylinder through an air pipeline.
The utility model has the beneficial effects that: the hydraulic pump is driven by the diesel engine through the pump box, shares a hydraulic oil tank with the main vehicle hydraulic system, and is not required to be provided with an additional hydraulic station. The four gear requirements of high speed, medium speed, low speed and reverse gear which meet the working condition of operation are realized, the operation is simple, the energy consumption of the system is low, and the efficiency is high. Compared with a closed system, the closed system has the advantages of simple structure, convenience in installation, operation and maintenance, strong pollution resistance and low cost due to the adoption of the gear pump. Has great popularization value.
Drawings
The utility model is further explained below with reference to the figures and examples;
FIG. 1 is a flow chart of the overall structure of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is a control schematic of the overall architecture of the present invention;
in the figure: a turntable body assembly 1; a duplex multi-way valve box body 2; a pump box 3; an operation panel 4; a large gear pump 5; a small gear pump 6; a three-level pressure regulating overflow valve 7; a first solenoid valve 701; a second solenoid valve 702; a first pneumatic control type three-position four-way hydraulic reversing valve 8; a second pneumatic control type three-position four-way hydraulic reversing valve 9; a large hydraulic motor 10; a small hydraulic motor 11; a first three-position four-way vent directional valve 12; a second three-position four-way vent directional valve 13; a first reversal control cylinder 14; a second reversal control cylinder 15; a first three-position electrical control knob 16; a second three-position electric control knob 17; and a tank 18.
Detailed Description
Example 1:
as shown in fig. 1-3, a four-gear hydraulic rotary table for an oil drilling and workover rig comprises a rotary table body assembly 1, wherein the rotary table body assembly 1 is provided with a large hydraulic motor 10 and a small hydraulic motor 11 which are connected, one side of the large hydraulic motor 10 and one side of the small hydraulic motor 11 are provided with a duplex multi-way valve box body 2, the duplex multi-way valve box body 2 is communicated with a three-level pressure regulating overflow valve 7, the three-level pressure regulating overflow valve 7 is communicated with a large gear pump 5 and a small gear pump 6, an operation panel 4 is arranged on an operation table, and the duplex multi-way valve box body 2 is respectively connected with the large hydraulic motor 10 and the small hydraulic motor 11. With this structure, the large hydraulic motor 10 and the small hydraulic motor 11 are connected to the input shaft of the turntable through the through shaft, and directly drive the turntable to rotate. The first pneumatic control type three-position four-way hydraulic reversing valve 8 and the second pneumatic control type three-position four-way hydraulic reversing valve 9 form a duplex valve which is arranged on the duplex multi-way valve box body 2, the first three-position four-way air reversing valve 12 and the second three-position four-way air reversing valve 13 are arranged on the operation panel 4, and the large gear pump 5 and the small gear pump 6 are arranged on the pump box 3.
In a preferred scheme, the large gear pump 5 and the small gear pump 6 are arranged on the pump box 3 through spline shafts and flange plates.
In a preferable scheme, the three-stage pressure regulating overflow valve 7 comprises a first electromagnetic valve 701 and a second electromagnetic valve 702, the large gear pump 5 is communicated with a P1 port of the second electromagnetic valve 702, and the small gear pump 6 is communicated with a P2 port of the first electromagnetic valve 701. With the structure, oil outlets of the large gear pump 5 and the small gear pump 6 are respectively connected to ports P1 and P2 of the three-level pressure-regulating overflow valve 7, and two first electromagnetic valves 701 and two second electromagnetic valves 702 of the three-level pressure-regulating overflow valve 7 are respectively controlled by the first three-position electric control knob 16 and the second three-position electric control knob 17, so that pressure regulation and unloading of the large gear pump 5 and the small gear pump 6 are realized.
In a preferred scheme, a first three-position electric control knob 16 and a second three-position electric control knob 17 are arranged on the operation panel 4, and the first three-position electric control knob 16 and the second three-position electric control knob 17 are respectively connected with the first electromagnetic valve 701 and the second electromagnetic valve 702 through control cables.
In the preferred scheme, a pressure oil port A of the three-level pressure regulating overflow valve 7 is connected with an oil inlet of the duplex multi-way valve box body 2 through a hydraulic pipeline, and an oil drainage port T of the three-level pressure regulating overflow valve 7 is connected with a hydraulic oil tank 18 of main hydraulic oil through a hydraulic pipeline.
In a preferable scheme, a first pneumatic control type three-position four-way hydraulic reversing valve 8 and a second pneumatic control type three-position four-way hydraulic reversing valve 9 are arranged on the duplex multi-way valve box body 2, and a first three-position four-way reversing valve 12 and a second three-position four-way reversing valve 13 which are communicated with each other are arranged on the operation panel 4.
In a preferable scheme, a first reversing control cylinder 14 and a second reversing control cylinder 15 are respectively arranged on the first pneumatic control type three-position four-way hydraulic reversing valve 8 and the second pneumatic control type three-position four-way hydraulic reversing valve 9. With the structure, the first three-position four-way reversing valve 12 and the second three-position four-way reversing valve 13 respectively control the actions of the first reversing control cylinder 14 and the second reversing control cylinder 15, so that the first pneumatic three-position four-way hydraulic reversing valve 8 and the second pneumatic three-position four-way hydraulic reversing valve 9 are controlled to be reversed, and the forward rotation, the reverse rotation and the hovering of the large hydraulic motor 10 and the small hydraulic motor 11 are realized.
In a preferable scheme, an A, B port of the first pneumatic control type three-position four-way hydraulic directional valve 8 is respectively connected with a A, B port of the large hydraulic motor 10 through a hydraulic pipeline, and a A, B port of the second pneumatic control type three-position four-way hydraulic directional valve 9 is respectively connected with a A, B port of the small hydraulic motor 11 through a hydraulic pipeline. With this structure, the large hydraulic motor 10 and the small hydraulic motor 11 are connected to the input shaft of the turntable through the through shaft, and directly drive the turntable to rotate.
In a preferable scheme, an A, B port of the first three-position four-ventilation-path reversing valve 12 is respectively connected with a 14A, B port of the first reversing control cylinder 14 through an air pipeline, and a A, B port of the second three-position four-ventilation-path reversing valve 13 is respectively connected with a A, B port of the second reversing control cylinder 15 through an air pipeline.
Example 2:
further described with reference to embodiment 1, as shown in fig. 1 to 3, when in use, the first three-position electric control knob 16 and the second three-position electric control knob 17 are rotated to energize the first electromagnetic valve 701 and the second electromagnetic valve 702A of the three-stage pressure regulating overflow valve 7, at this time, the large gear pump 5 and the small gear pump 6 both output pressure oil under low pressure, and the large hydraulic motor 10 is rotated forward by operating the first three-position four-way directional control valve 12, the handle of the second three-position four-way directional control valve 13 is kept at a middle position, and the small hydraulic motor 11 hovers, and the above-mentioned working condition is that the turntable is at high speed;
the B end of the first electromagnetic valve 701 is electrified by rotating the first three-position electric control knob 16, the large gear pump 5 outputs pressure oil under high pressure at the moment, the second three-position electric control knob 17 keeps the middle position, the small gear pump 6 is unloaded, the large hydraulic motor 10 rotates forwards by operating the first three-position four-ventilation-path reversing valve 12, the handle of the second three-position four-ventilation-path reversing valve 13 keeps the middle position, the small hydraulic motor 11 hovers, and the working condition is the middle speed of the rotary table;
the B end of the first electromagnetic valve 701 is electrified by rotating the first three-position electric control knob 16, the big gear pump 5 outputs pressure oil under high pressure at the moment, the second three-position electric control knob 17 keeps a middle position, the pinion pump 6 is unloaded, the big hydraulic motor 10 and the small hydraulic motor 11 both rotate forwards by operating the first three-position four-way air-way reversing valve 12 and the second three-position four-way air-way reversing valve 13, and the working condition is that the rotating disc rotates at a low speed;
the first three-position electric control knob 16 is rotated to electrify the end B of the first electromagnetic valve 701, the large gear pump 5 outputs pressure oil under high pressure at the moment, the second three-position electric control knob 17 keeps a middle position, the large gear pump 5 is unloaded, and the first three-position four-air-passage reversing valve 12 and the second three-position four-air-passage reversing valve 13 are operated in a reverse direction to enable the large hydraulic motor 10 and the small hydraulic motor 11 to both reverse, wherein the working condition is that the rotary table reverses.
The above-described embodiments are merely preferred embodiments of the present invention, and should not be construed as limiting the present invention, and the scope of the present invention is defined by the claims, and equivalents including technical features described in the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of the utility model.
Claims (9)
1. A four-gear hydraulic rotary table for an oil drilling and workover rig is characterized in that: including carousel body assembly (1), big hydraulic motor (10) and little hydraulic motor (11) that carousel body assembly (1) is equipped with the connection, big hydraulic motor (10) and little hydraulic motor (11) one side are equipped with two duplex multi-way valve box (2), two duplex multi-way valve box (2) and tertiary pressure regulating overflow valve (7) intercommunication, tertiary pressure regulating overflow valve (7) and big gear pump (5) and little gear pump (6) intercommunication, be equipped with operating panel (4) on the operation panel, two duplex multi-way valve box (2) are connected with big hydraulic motor (10) and little hydraulic motor (11) respectively.
2. The four-gear hydraulic rotary table for the oil drilling and workover rig according to claim 1, which is characterized in that: the large gear pump (5) and the small gear pump (6) are arranged on the pump box (3) through spline shafts and flange plates.
3. The four-gear hydraulic rotary table for the oil drilling and workover rig according to claim 1, which is characterized in that: the three-level pressure regulating overflow valve (7) comprises a first electromagnetic valve (701) and a second electromagnetic valve (702), a bull gear pump (5) is communicated with a P1 port of the second electromagnetic valve (702), and a pinion gear pump (6) is communicated with a P2 port of the first electromagnetic valve (701).
4. The four-gear hydraulic rotary table for the oil drilling and workover rig according to claim 1, which is characterized in that: the operation panel (4) is provided with a first three-position electric control knob (16) and a second three-position electric control knob (17), and the first three-position electric control knob (16) and the second three-position electric control knob (17) are respectively connected with the first electromagnetic valve (701) and the second electromagnetic valve (702) through control cables.
5. The four-gear hydraulic rotary table for the oil drilling and workover rig according to claim 1, which is characterized in that: a pressure oil port A of the third-stage pressure regulating overflow valve (7) is connected with an oil inlet of the duplex multi-way valve box body (2) through a hydraulic pipeline, and an oil drainage port T of the third-stage pressure regulating overflow valve (7) is connected with an oil tank (18) of main hydraulic oil through a hydraulic pipeline.
6. The four-gear hydraulic rotary table for the oil drilling and workover rig according to claim 1, which is characterized in that: a first pneumatic control type three-position four-way hydraulic reversing valve (8) and a second pneumatic control type three-position four-way hydraulic reversing valve (9) are arranged on the duplex multi-way valve box body (2), and a first three-position four-way reversing valve (12) and a second three-position four-way reversing valve (13) which are communicated with each other are arranged on the operation panel (4).
7. The four-gear hydraulic rotary table for the oil drilling and workover rig according to claim 6, wherein: the first pneumatic control type three-position four-way hydraulic reversing valve (8) and the second pneumatic control type three-position four-way hydraulic reversing valve (9) are respectively provided with a first reversing control cylinder (14) and a second reversing control cylinder (15).
8. The four-gear hydraulic rotary table for the oil drilling and workover rig according to claim 6, wherein: an A, B port of the first pneumatic control type three-position four-way hydraulic reversing valve (8) is respectively connected with a A, B port of a large hydraulic motor (10) through a hydraulic pipeline, and a A, B port of the second pneumatic control type three-position four-way hydraulic reversing valve (9) is respectively connected with a A, B port of a small hydraulic motor (11) through a hydraulic pipeline.
9. The four-gear hydraulic rotary table for the oil drilling and workover rig according to claim 6, wherein: an A, B port of the first three-position four-ventilation-path reversing valve (12) is respectively connected with a A, B port of the first reversing control cylinder (14) through an air pipeline, and a A, B port of the second three-position four-ventilation-path reversing valve (13) is respectively connected with a A, B port of the second reversing control cylinder (15) through an air pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220127610.8U CN216767910U (en) | 2022-01-18 | 2022-01-18 | Four-gear hydraulic rotary table for petroleum drilling and workover rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220127610.8U CN216767910U (en) | 2022-01-18 | 2022-01-18 | Four-gear hydraulic rotary table for petroleum drilling and workover rig |
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| Publication Number | Publication Date |
|---|---|
| CN216767910U true CN216767910U (en) | 2022-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220127610.8U Active CN216767910U (en) | 2022-01-18 | 2022-01-18 | Four-gear hydraulic rotary table for petroleum drilling and workover rig |
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|---|---|
| CN (1) | CN216767910U (en) |
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- 2022-01-18 CN CN202220127610.8U patent/CN216767910U/en active Active
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