CN219808973U - Electrohydraulic lifting device of power tongs - Google Patents
Electrohydraulic lifting device of power tongs Download PDFInfo
- Publication number
- CN219808973U CN219808973U CN202321345281.5U CN202321345281U CN219808973U CN 219808973 U CN219808973 U CN 219808973U CN 202321345281 U CN202321345281 U CN 202321345281U CN 219808973 U CN219808973 U CN 219808973U
- Authority
- CN
- China
- Prior art keywords
- oil tank
- valve
- lifting device
- oil
- hydraulic cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000003921 oil Substances 0.000 claims abstract description 45
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000002146 bilateral effect Effects 0.000 claims 1
- 239000000725 suspension Substances 0.000 abstract description 6
- 238000005553 drilling Methods 0.000 abstract description 5
- 230000009471 action Effects 0.000 abstract description 2
- 230000001276 controlling effect Effects 0.000 abstract 2
- 230000001105 regulatory effect Effects 0.000 abstract 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Abstract
The utility model discloses an electrohydraulic lifting device of a power clamp, which comprises: the oil tank is characterized by comprising an oil pump, an oil tank frame, a motor, an electric control valve bank and two hydraulic cylinders, wherein the oil tank is placed in the oil tank frame, the hydraulic cylinders are symmetrically arranged on two sides of the oil tank frame, one end part of each hydraulic cylinder is fixedly connected with the oil tank frame, the other end part of each hydraulic cylinder is fixedly connected to an upper suspension bracket, the motor is connected with the oil pump in a driving manner, the oil pump is connected to the hydraulic cylinders through the electric control valve bank and a manifold, and the electric control valve bank is used for controlling the flow direction of hydraulic oil in each hydraulic cylinder. The utility model has compact and novel structure and reliable performance, and the working height of the power tongs is regulated by controlling the action of the hydraulic cylinder through the cooperation of the motor, the oil pump, the hydraulic cylinder, the oil tank frame, the electric control valve group and the like, so that the power requirement of the drilling machine is simplified.
Description
Technical Field
The utility model relates to the technical field of well drilling and repairing, in particular to an electrohydraulic lifting device of a power clamp.
Background
In the petroleum and natural gas mining field operation process, because the joint height of each column drilling tool is different, when the power tongs are used for carrying out the tripping operation on the drill rod joint, the working height of the power tongs is required to be adjusted according to the joint height of the drilling tool, at present, the working height of the power tongs is usually adjusted in two ways, the first way is to be adjusted through a chain block, the other way is to be adjusted by hanging on the power tongs through a hydraulic cylinder, but the hydraulic adjustment way is required to be additionally provided with a hydraulic source, and when the driving way of the power tongs is non-hydraulic driving (such as motor driving), the working height of the power tongs cannot be adjusted.
Disclosure of Invention
The present utility model addresses one or more of the above-identified problems by providing an electrohydraulic lifting device for power tongs.
According to one aspect of the present utility model, there is provided an electrohydraulic lifting device for a power tong, comprising: the oil tank is characterized by comprising an oil pump, an oil tank frame, a motor, an electric control valve bank and two hydraulic cylinders, wherein the oil tank is placed in the oil tank frame, the hydraulic cylinders are symmetrically arranged on two sides of the oil tank frame, one end of each hydraulic cylinder is fixedly connected with the oil tank frame, the other end of each hydraulic cylinder is fixedly connected with an upper suspension bracket, the motor is connected with the oil pump in a transmission manner, the oil pump is connected to the hydraulic cylinders through the electric control valve bank and a manifold, and the electric control valve bank is used for controlling the flow direction of hydraulic oil in each hydraulic cylinder.
As an implementation manner, the electric control valve group comprises an electric control reversing valve, and the electric control reversing valve is a three-position four-way valve.
As an achievable mode, the hydraulic oil pump further comprises an overflow valve, wherein the overflow valve is connected between the oil pump and the electric control reversing valve and is used for adjusting the working pressure of the hydraulic cylinder.
As an achievable way, a balancing valve is arranged on the connecting manifold of the electric control valve group and the hydraulic cylinder, and is used for locking the working positions of the relative balance of the pressures at the two sides of the manifold.
As an achievable mode, the lower end of the oil tank frame is connected with a lower suspension frame through a lower hinge pin, and the lower suspension frame is fixedly connected with a power clamp.
The beneficial effects of the utility model are as follows:
the electrohydraulic lifting device of the power tongs has the advantages of simple structure, compact and novel structure and reliable performance, is used as an integral device, and is convenient for adjusting the working height of the power tongs by controlling the action of the hydraulic cylinder through the cooperation of a motor, an oil pump, a hydraulic cylinder, an oil tank frame, an electric control valve group and the like, thereby simplifying the power requirement of a drilling machine and facilitating the adjustment of the working height of the power tongs.
Drawings
FIG. 1 is a schematic structural view of an electrohydraulic lifting device of a power tong;
fig. 2 is a schematic diagram of the principle of the electro-hydraulic lifting device of the power tongs when the electro-control valve group is matched with the electro-hydraulic lifting device.
Detailed Description
The application technical scheme is further described in detail below with reference to the accompanying drawings.
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Some embodiments of the present utility model are described in detail below with reference to the accompanying drawings. The following embodiments and features in the embodiments may be combined with each other without conflict.
As shown in fig. 1-2, the present utility model provides an electrohydraulic lifting device of a power tong, comprising: the oil tank is characterized in that the oil tank is arranged in the oil tank frame 6, the oil tank is symmetrically arranged on two sides of the oil tank frame 6, the lower end of each hydraulic cylinder 5 is fixedly connected with the oil tank frame 6, and the upper end of each hydraulic cylinder 5 is fixedly connected to the upper hanging frame 1 through an upper hinge pin 2. According to the utility model, the motor is used for driving the oil pump to work, the motor 3 and the oil pump 4 are in transmission connection through the coupler, the oil pump 4 is connected to the hydraulic cylinders 5 through the electric control valve group 8 and the manifold 7, and the electric control valve group 8 is used for controlling the flow direction of hydraulic oil in each hydraulic cylinder. The lower end of the oil tank frame is connected with a lower suspension bracket 10 through a lower hinge pin 9, and the lower suspension bracket 10 is fixedly connected with a power clamp 11.
As shown in fig. 2, the hydraulic system further includes a relief valve 83 and a balance valve 81, the relief valve 83 being provided on a manifold between the oil pump 4 and the electronically controlled directional valve 82, the relief valve being used to regulate the operating pressure of the hydraulic cylinder. A balancing valve 81 is provided on the connecting manifold of the valve block 8 and the hydraulic cylinder 5 for locking the relatively balanced working position of the pressures on both sides of the manifold. Thus, the balancing valve 81 can lock the height position of the power tong when the motor 3 and the electrically controlled directional valve 82 are not operating.
As shown in fig. 2, the electrically controlled valve block 8 includes an electrically controlled reversing valve 82. The electric control reversing valve 82 adopts a three-position four-way valve in the utility model.
Working principle: when the power tongs 11 are used, if the working height of the power tongs is required to be lifted, the electromagnet on the right side of the electric control reversing valve 82 is electrified, hydraulic oil enters a rod cavity of the hydraulic cylinder 5 through the electric control reversing valve 82, and a piston rod of the hydraulic cylinder is retracted, so that the power tongs are driven to lift, and the working height of the power tongs is lifted; if the working height of the power tongs is required to be reduced, the electromagnet at the left side of the electric control reversing valve 82 is electrified, hydraulic oil enters the rodless cavity of the hydraulic cylinder 5 through the electric control reversing valve 82, the piston rod extends out, and the power tongs descend. The balancing valve 81 can lock the height position of the power tong when the motor 3 and the electrically controlled reversing valve 82 are not operating.
What has been described above is merely some embodiments of the present utility model. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the utility model.
Claims (5)
1. An electrohydraulic lifting device of a power tong, comprising: oil pump (4), oil tank frame (6), motor (3), automatically controlled valves (8) and two pneumatic cylinders (5), the inside of oil tank frame (6) is used for placing the batch oil tank, the bilateral symmetry of oil tank frame (6) is provided with pneumatic cylinder (5), every pneumatic cylinder (5) tip with oil tank frame (6) fixed connection, every the other tip fixed connection of pneumatic cylinder (5) is supreme mounted frame (1), motor (3) and oil pump (4) transmission are connected, oil pump (4) are connected to through automatically controlled valves (8), manifold (7) pneumatic cylinder (5), automatically controlled valves (8) are used for controlling the flow direction of hydraulic oil in every pneumatic cylinder.
2. The electrohydraulic lifting device of a power tong of claim 1 wherein said electrically controlled valve block (8) includes an electrically controlled reversing valve (82), said electrically controlled reversing valve (82) being a three-position four-way valve.
3. The electrohydraulic lifting device of a power tong of claim 2 further including a relief valve (83), said relief valve (83) being connected between said oil pump (4) and an electronically controlled reversing valve (82), said relief valve (83) being used to regulate the operating pressure of the hydraulic cylinder.
4. Electrohydraulic lifting device of a power tongs according to claim 2, characterized in that a balancing valve (81) is arranged on the connecting manifold of the electric control valve group (8) and the hydraulic cylinder (5), and the balancing valve (81) is used for locking the relatively balanced working position of the pressures on both sides of the manifold.
5. The electrohydraulic lifting device of a pair of power tongs according to claim 4, wherein the lower end of the oil tank frame is connected with a lower hanging frame (10) through a lower hinge pin (9), and the lower hanging frame (10) is fixedly connected with the power tongs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321345281.5U CN219808973U (en) | 2023-05-30 | 2023-05-30 | Electrohydraulic lifting device of power tongs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321345281.5U CN219808973U (en) | 2023-05-30 | 2023-05-30 | Electrohydraulic lifting device of power tongs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219808973U true CN219808973U (en) | 2023-10-10 |
Family
ID=88212108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321345281.5U Active CN219808973U (en) | 2023-05-30 | 2023-05-30 | Electrohydraulic lifting device of power tongs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219808973U (en) |
-
2023
- 2023-05-30 CN CN202321345281.5U patent/CN219808973U/en active Active
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| GR01 | Patent grant |