CN216157619U - Blowout preventer dismounting tool - Google Patents
Blowout preventer dismounting tool Download PDFInfo
- Publication number
- CN216157619U CN216157619U CN202122295381.9U CN202122295381U CN216157619U CN 216157619 U CN216157619 U CN 216157619U CN 202122295381 U CN202122295381 U CN 202122295381U CN 216157619 U CN216157619 U CN 216157619U
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- piston rod
- hydraulic cylinder
- cylinder head
- blowout preventer
- oil way
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Abstract
The utility model discloses a blowout preventer dismounting tool, which comprises: the piston rod is fixedly arranged on the ram blowout preventer when in use, and the tail part of the piston rod is provided with an oil way interface and an oil way which leads to the closing cavity; the cylinder head can be fixed on a side door when in use; a piston mounted on a piston rod; the hydraulic cylinder can control the piston to reciprocate through hydraulic oil; the hydraulic cylinder cover is provided with an oil way interface and an oil way and leads to the opening cavity; and a seal member. The utility model has several characteristics: 1. the ram of the ram blowout preventer can be quickly replaced on site and the ram can be quickly disassembled and assembled. 2. The head of the piston rod is provided with threads and can be arranged in a bolt hole of a side door of the blowout preventer. 3. The hydraulic cylinder head is provided with a buckle and can be quickly fixed on a side door. 4. The oil circuit adopts hidden, conveniently connects.
Description
Technical Field
The utility model relates to the field of manufacturing of petroleum drilling control equipment, in particular to a blowout preventer dismounting tool.
Background
The ram blowout preventer is a key device for ensuring the safety of petroleum drilling, and drill pipes with different specifications are frequently used in the drilling process, so that the ram blowout preventer needs to replace a ram with a corresponding specification; blowout preventers also need to be disassembled to replace seals during equipment maintenance. The ram blowout preventer has no function of opening a side door hydraulically due to the limitation of structure and weight, and if the situation that no hoisting equipment exists on the site or the ram is blocked occurs, the ram blowout preventer cannot be disassembled. This patent will provide a preventer assembly and disassembly tools, and under the condition that does not have lifting device or flashboard card to hinder, use the preventer assembly and disassembly tools of this patent, dismantlement preventer that can relax.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above-mentioned drawbacks of the prior art, it is an object of the present invention to provide a blowout preventer disassembly and assembly tool. Aiming at the existing ram blowout preventer, the equipment for disassembling and assembling the ram blowout preventer is provided under the condition that no hoisting equipment exists or the ram is blocked
In order to achieve the purpose, the utility model is realized by the following technical scheme:
a blowout preventer disassembly tool, comprising: the piston rod is arranged in the hydraulic cylinder in a penetrating mode, and a related closed cavity and an open cavity are formed between the inner wall of the hydraulic cylinder and the outer wall of the piston rod; the piston rod is fixedly arranged on the ram blowout preventer when in use, a first oil way is arranged at the tail part of the piston rod, one end of the first oil way is connected with a first oil way interface at the tail end of the piston rod, and the other end of the first oil way is communicated with the closing cavity; a piston is arranged between the closing cavity and the opening cavity of the piston rod, and the hydraulic cylinder controls the piston to reciprocate through hydraulic oil; a hydraulic cylinder head and a hydraulic cylinder cover which are used for fixing or detaching with a side door are respectively arranged at two ends of the hydraulic cylinder; a hole is formed in the middle of the hydraulic cylinder head for the piston rod to pass through, and a buckle structure corresponding to the side door buckle groove is arranged on the periphery of the hydraulic cylinder head; and a second oil way connector is arranged on the hydraulic cylinder cover and is communicated with the opening cavity through a second oil way.
In a preferred embodiment of the present invention, the first step structure and the second step structure are respectively disposed at two ends of the hydraulic cylinder, and the first step structure and the second step structure are respectively connected to the hydraulic cylinder head and the hydraulic cylinder cover.
In a preferred embodiment of the utility model, one end of the piston rod close to the cylinder head is provided with a connecting convex part, and the periphery of the connecting convex part is provided with a connecting thread.
In a preferred embodiment of the present invention, the cylinder head and the cylinder cover are respectively provided with a first sealing member and a second sealing member inside, and the first sealing member and the second sealing member are connected with the piston rod in a sealing manner.
In a preferred embodiment of the present invention, one end of the piston rod close to the cylinder head is provided with a hexagonal structure.
The utility model has the beneficial effects that:
the disassembly and assembly tool for the blowout preventer is light in structure and convenient to operate, can be used for disassembling and assembling the blowout preventer by one person, and greatly improves the efficiency.
Drawings
FIG. 1 is a schematic diagram of the configuration of the blowout preventer dismounting tool of the present invention.
FIG. 2 is a three-dimensional model view of a blowout preventer disassembly and assembly tool.
Fig. 3 is a schematic view of the tool installation.
FIG. 4 is a schematic diagram of a blowout preventer side door opening.
Detailed Description
The utility model is described in detail below with reference to the drawings and the detailed description.
Referring to fig. 1 to 3, the blowout preventer dismounting tool comprises a hydraulic cylinder 3, a piston rod 7 is arranged inside the hydraulic cylinder 3 in a penetrating mode, and a closed cavity 31 and an open cavity 32 are formed between the inner wall of the hydraulic cylinder 3 and the outer wall of the piston rod 7.
When in use, the piston rod 1 is fixedly installed on the ram blowout preventer 200, the tail part of the piston rod 1 is provided with a first oil path 11, one end of the first oil path 11 is connected with a first oil path interface 12 at the tail end of the piston rod 1, and the other end is communicated with the closing cavity 31.
A piston 4 is arranged between the closing cavity 31 and the opening cavity 32 of the piston rod 1, and the hydraulic cylinder 3 controls the piston 4 to reciprocate through hydraulic oil;
the two ends of the hydraulic cylinder 3 are respectively provided with a first step structure 33 and a second step structure 34, and the first step structure 33 and the second step structure 34 are respectively connected with the hydraulic cylinder head 2 and the hydraulic cylinder cover 5.
The inner sides of the cylinder head 2 and the cylinder cover 5 are respectively provided with a first sealing piece 6 and a second sealing piece 7, and the first sealing piece 6 and the second sealing piece 7 are connected with the piston rod 1 in a sealing way. Wherein, the middle part of the hydraulic cylinder head 2 is provided with a hole for the piston rod 1 to pass through, and the periphery of the hydraulic cylinder head 2 is provided with a buckle structure 21 corresponding to the side door buckle groove 300. The cylinder head 5 is provided with a second oil passage port 51 communicating with the opening chamber 32 through a second oil passage 52.
One end of the piston rod 1 close to the cylinder head 2 is provided with a connecting convex part 13, and the periphery of the connecting convex part 13 is provided with a connecting thread 14. The end of the piston rod 1 close to the cylinder head 5 is provided with a hexagonal structure 15.
Referring to fig. 2 and 3 in combination, in use, the snap structure 21 (see fig. 2) on the cylinder head 2 is aligned with the snap groove 300 (see fig. 3) on the side door, after the cylinder head is rotated 90 ° clockwise, the snap structure 21 is fixed in the snap groove 300 of the side door, and then the hexagonal structure 15 (see fig. 3) at the tail of the piston rod 1, the connecting thread 14 (see fig. 2) at the head of the piston rod 1 are rotated by using a wrench to be screwed into the bolt hole 210 (see fig. 4) on the side door of the ram blowout preventer 200.
The control oil path of the ram blowout preventer 200 is connected to the first oil path port 12 and the second oil path port 51, and the opening and closing of the side door of the blowout preventer can be controlled by oil pressure.
When the oil pressure of the opening cavity 32 rises, the piston 4 pushes the piston rod 1 to move forwards, the cylinder head 2 moves backwards relative to the piston 4, and the buckle structure 21 on the cylinder head 2 is fixed in the buckle groove 300 of the side door, so that the side doors are opened together, and the function of opening the side door of the blowout preventer is achieved;
when the oil pressure of the closing cavity 31 rises, the piston 4 pulls the piston rod 1 to move backwards, the cylinder head 2 moves forwards relative to the piston 4, the buckle structure 21 on the hydraulic cylinder head 2 is fixed in the buckle groove 300 of the side door, the side door is closed together, and the function of closing the side door of the blowout preventer is achieved.
The disassembly and assembly tool for the blowout preventer is light in structure and convenient to install, and the blowout preventer can be disassembled and the flashboard can be replaced by one person.
The working principle of the disassembly and assembly tool of the blowout preventer is as follows:
when the flashboard is replaced or equipment is overhauled in the oil field drilling operation, the side door of the blowout preventer needs to be opened.
Firstly, removing 2 diagonal side door bolts on the blowout preventer equipment, aligning a buckle on a hydraulic cylinder head to a clamping groove of a side door, and then rotating clockwise, wherein the buckle can be fixed in the clamping groove of the side door;
then, using a spanner to rotate an outer hexagonal edge at the tail part of the piston rod, and screwing the thread at the head part of the piston rod into the blowout preventer shell;
after 2 blowout preventer dismounting tools are installed, the other side door bolts are dismounted;
the hydraulic control oil circuit of the blowout preventer is connected to the oil circuit interface of the disassembly and assembly tool of the blowout preventer, the opening and closing of the side door of the blowout preventer can be realized through the control of the oil circuit,
in conclusion, the blowout preventer dismounting tool is light in structure and convenient to install.
Claims (5)
1. A blowout preventer disassembly and assembly tool, comprising: the piston rod is arranged in the hydraulic cylinder in a penetrating mode, and a related closed cavity and an open cavity are formed between the inner wall of the hydraulic cylinder and the outer wall of the piston rod; the piston rod is fixedly arranged on the ram blowout preventer when in use, a first oil way is arranged at the tail part of the piston rod, one end of the first oil way is connected with a first oil way interface at the tail end of the piston rod, and the other end of the first oil way is communicated with the closing cavity; a piston is arranged between the closing cavity and the opening cavity of the piston rod, and the hydraulic cylinder controls the piston to reciprocate through hydraulic oil; a hydraulic cylinder head and a hydraulic cylinder cover which are used for fixing or detaching with a side door are respectively arranged at two ends of the hydraulic cylinder; a hole is formed in the middle of the hydraulic cylinder head for the piston rod to pass through, and a buckle structure corresponding to the side door buckle groove is arranged on the periphery of the hydraulic cylinder head; and a second oil way connector is arranged on the hydraulic cylinder cover and is communicated with the opening cavity through a second oil way.
2. The disassembly and assembly tool of claim 1, wherein the first and second step structures are provided at opposite ends of the cylinder, and are connected to the cylinder head and the cylinder head through the first and second step structures, respectively.
3. The disassembly and assembly tool of claim 1, wherein the piston rod is provided with a connecting convex part at one end close to the cylinder head, and the periphery of the connecting convex part is provided with a connecting thread.
4. The disassembly and assembly tool of claim 1, wherein the first and second seals are disposed inside the cylinder head and the cylinder head, respectively, and are sealingly connected to the piston rod via the first and second seals.
5. The disassembly and assembly tool of claim 1, wherein the piston rod is provided with a hexagonal structure at an end thereof adjacent to the cylinder head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122295381.9U CN216157619U (en) | 2021-09-18 | 2021-09-18 | Blowout preventer dismounting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122295381.9U CN216157619U (en) | 2021-09-18 | 2021-09-18 | Blowout preventer dismounting tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216157619U true CN216157619U (en) | 2022-04-01 |
Family
ID=80853522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122295381.9U Active CN216157619U (en) | 2021-09-18 | 2021-09-18 | Blowout preventer dismounting tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216157619U (en) |
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2021
- 2021-09-18 CN CN202122295381.9U patent/CN216157619U/en active Active
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