CN211258548U

CN211258548U - Hydraulic oil pipe prevents top blowout device

Info

Publication number: CN211258548U
Application number: CN201921956051.6U
Authority: CN
Inventors: 殷秀君; 韩鹏飞; 李泽英; 孙少罡; 刘建建
Original assignee: HENAN SHUANGFA PETROLEUM EQUIPMENT MANUFACTURING CORP
Current assignee: Puyang Yufei Petroleum Machinery Equipment Co ltd
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-08-14
Anticipated expiration: 2029-11-13

Abstract

The utility model discloses a hydraulic oil pipe prevents top open flow device, including oil pipe, the inner wall of oil pipe one end is provided with sealed rubber ring, the outside of oil pipe one end is provided with the installation base, the lower extreme of installation base is provided with the mounting panel, the inside intermediate position department of installation base installs fixed outer lane, fixed outer lane is located oil pipe's the outside, the both sides of fixed outer lane inner wall have all been seted up and have been connected the perforation, two connect the perforation and be located oil pipe's top is the symmetric distribution, the equal fixed mounting in both sides of fixed outer lane upper end has the installation piece, two the installation piece is the symmetric distribution, two the intermediate position department of installation piece installs movable bolt, the surface activity cover of movable bolt is equipped with the solid piece of card, the inside intermediate position department of fixed outer lane is provided with the jam piece. The utility model discloses a set up a series of structures and make this device have the solid effectual characteristics of card.

Description

Hydraulic oil pipe prevents top blowout device

Technical Field

The utility model relates to an oil pipe equipment technical field specifically is a hydraulic oil pipe prevents top open flow device.

Background

In the oil pipe in-process is played in the oil field borehole operation, the kick, blowout and oil pipe jack-up phenomenon can take place, if not timely control, not only influenced the construction progress, can cause the incident in addition, when piping or blowout appear in the oil pipe, an oil pipe cock ware is twisted fast to common solution, but this kind of solution is dangerous high, the reliability is low, there are a lot of potential safety hazards, traditional solution is when the jack-up phenomenon appears: the oil pipe short joint is screwed on an oil pipe coupling, an oil pipe elevator is sleeved on the oil pipe short joint, a steel wire rope ring is arranged at an elevator pull ring in a penetrating mode, one end of a steel wire rope pulls the oil pipe elevator, the other end of the steel wire rope is hung on a traveling block hook, the oil pipe elevator presses the oil pipe coupling, the steel wire rope bypasses a bypass of a wellhead four-way joint, the traveling block hook is lifted upwards, and oil pipes are reversely pressed to prevent the oil pipes from being strung up.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hydraulic oil pipe prevents top open flow device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the hydraulic oil pipe top-release prevention device comprises an oil pipe, wherein a sealing rubber ring is arranged on the inner wall of one end of the oil pipe, an installation base is arranged on the outer side of one end of the oil pipe, an installation plate is arranged at the lower end of the installation base, a fixed outer ring is installed at the middle position inside the installation base, the fixed outer ring is positioned on the outer side of the oil pipe, connecting through holes are formed in two sides of the inner wall of the fixed outer ring, the two connecting through holes are positioned above the oil pipe and symmetrically distributed, installation blocks are fixedly installed on two sides of the upper end of the fixed outer ring, the two installation blocks are symmetrically distributed, a movable bolt is installed at the middle position of the two installation blocks, a clamping block is sleeved on the surface of the movable bolt, a blocking block is arranged at the middle position inside the fixed outer ring, and a sealing block, the utility model discloses a hydraulic pressure push rod, including sealed piece, oil pipe, catch bar, push rod, baffle, sealing block, oil pipe, filter screen, push rod, return spring, oil pipe, sealing block, oil pipe lower extreme is located the outside of sealed piece, and install the filter screen, hydraulic pressure chamber is all installed to the both sides of the inside upper end of sealed piece, one side in hydraulic pressure chamber with oil pipe connects, the inside cover in hydraulic pressure chamber is equipped with the piston, the catch bar is installed to the one end of piston, the one end of catch bar is passed the hydraulic pressure chamber is located the outside of sealed piece, one side on push rod surface is provided with the baffle, the baffle is located the inside of sealed piece, the surface cover of catch bar is equipped with reset spring, reset spring's one end.

Preferably, the clamping blocks are distributed in an inclined manner, one end of each clamping block is located on one side of the corresponding connecting through hole, and the other end of each clamping block is located above the corresponding fixed outer ring.

Preferably, the sealing block is semicircular, and the lower end of the sealing block is inserted into the oil pipe and attached to the sealing rubber ring.

Preferably, the inner radius of the sealing block is larger than the inner diameter of the oil pipe, and the inner radius of the sealing block is smaller than the inner diameter of the fixed outer ring.

Preferably, a connecting spring is installed on one side of the surface of the clamping block, one end of the connecting spring is fixedly connected with one side of the fixed outer ring, and one end of the connecting spring is located above the connecting through hole.

Preferably, the inner diameter of the push rod is equal to the inner diameter of the connecting through hole and is positioned on the same horizontal line.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization, setting through sealed piece, make whole device have fine card and solid effect, the user inserts the upper end at oil pipe through the connecting rod with the piece of blockking up, sealed piece and the laminating of sealed rubber ring, the leakproofness has been strengthened, when the oil pipe oil spout, the oil pipe that advances that oil passes through sealed piece lower extreme gets into, oil is through advancing the inside that the oil pipe got into the hydraulic pressure chamber, oil promotes hydraulic pressure intracavity portion piston, the catch bar that the piston promoted one end removes, make the catch bar insert and connect fenestrate inside, sealed piece and fixed outer lane's being connected has been strengthened, thereby oil pipe's leakproofness has been strengthened, pass to connect the perforation when the catch bar and promote the card and block to remove, the card blocks rotates at the activity bolt, make the upper end of card and solid piece push down, make and be connected with the connecting.

When the oil injection is not performed, the oil in the hydraulic cavity flows out through the oil inlet pipe, the push rod restores the original position under the action of the reset spring, so that the piston restores the original position, the internal oil is conveniently pushed out, and meanwhile, the clamping block restores the original position under the action of the connecting spring, so that the plugging block is conveniently pulled out.

Drawings

FIG. 1 is a schematic diagram of the structure of the device of the present invention;

fig. 2 is an enlarged schematic structural view of the present invention at a in fig. 1;

fig. 3 is a schematic diagram of the structure of the blocking block of the present invention.

In the figure: the oil pipe comprises an oil pipe 1, an installation base 2, an installation plate 3, a connecting rod 4, a plugging block 5, a sealing rubber ring 6, a fixed outer ring 7, a connection perforation 8, an installation block 9, a movable bolt 10, a clamping block 11, a connection spring 12, a push rod 13, a reset spring 14, a hydraulic cavity 15, a piston 16, a connection plate 17, an oil inlet pipe 18, a filter screen 19 and a sealing block 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, the present invention provides a technical solution: a technical scheme of a hydraulic oil pipe top-release prevention device comprises an oil pipe 1, a sealing rubber ring 6 is arranged on the inner wall of one end of the oil pipe 1, an installation base 2 is arranged on the outer side of one end of the oil pipe 1, an installation plate 3 is arranged at the lower end of the installation base 2, a fixed outer ring 7 is installed at the middle position inside the installation base 2, the fixed outer ring 7 is positioned on the outer side of the oil pipe 1, connection through holes 8 are respectively formed in the two sides of the inner wall of the fixed outer ring 7, the two connection through holes 8 are positioned above the oil pipe 1 and are symmetrically distributed, installation blocks 9 are respectively and fixedly installed on the two sides of the upper end of the fixed outer ring 7, the two installation blocks 9 are symmetrically distributed, a movable bolt 10 is installed at the middle position of the two installation blocks 9, a clamping block 11 is movably sleeved on the surface of the movable bolt 10, sealing block 20 is connected with oil pipe 1, the intermediate position department of sealing block 20 is provided with into oil pipe 18, it is located the outside of sealing block 20 to advance oil pipe 18 lower extreme, and install filter screen 19, hydraulic pressure chamber 15 is all installed to the both sides of the inside upper end of sealing block 20, one side and the oil pipe 18 of hydraulic pressure chamber 15 are connected, the inside cover in hydraulic pressure chamber 15 is equipped with piston 16, catch bar 13 is installed to piston 16's one end, hydraulic pressure chamber 15 is passed to catch bar 13's one end and is located the outside of sealing block 20, one side on catch bar 13 surface is provided with the baffle, the baffle is located the inside of sealing block 20, the surface cover of catch bar 13 is equipped with reset spring 14, one end of reset spring 14 is located one side of baffle, the upper end of sealing block 20 is provided with connecting plate 17.

Preferably, the clamping blocks 11 are distributed obliquely, one end of each clamping block 11 is located on one side of the connecting through hole 8, and the other end of each clamping block 11 is located above the fixed outer ring 7, so that the clamping blocks 11 can clamp the blocking blocks 5 conveniently.

Preferably, the sealing block 20 is in a semicircular shape, the lower end of the sealing block 20 is inserted into the oil pipe 1 and attached to the sealing rubber ring 6, the sealing performance of the oil pipe 1 is enhanced, and blowout is avoided.

Preferably, the inner radius of the sealing block 20 is larger than the inner diameter of the oil pipe 1, and the inner radius of the sealing block 20 is smaller than the inner diameter of the fixed outer ring 7, so that the sealing performance is enhanced.

Preferably, a connecting spring 12 is installed on one side of the surface of the clamping block 11, one end of the connecting spring 12 is fixedly connected with one side of the fixed outer ring 7, and one end of the connecting spring 12 is located above the connecting through hole 8, so that the clamping block 11 is convenient to reset.

Preferably, the inner diameter of the push rod 13 is equal to the inner diameter of the connecting through hole 8, and the push rod 13 is located on the same horizontal line, so that the push rod 13 can be inserted into the connecting through hole 8 to push the clamping block 11.

The working principle is as follows: through the arrangement of the sealing block 20, the whole device has good clamping and fixing effects, a user inserts the plugging block 5 into the upper end of the oil pipe 1 through the connecting rod 4, the sealing block 20 is attached to the sealing rubber ring 6, the sealing performance is enhanced, when the oil pipe 1 injects oil, oil enters through the oil inlet pipe 18 at the lower end of the sealing block 20, the oil enters into the hydraulic cavity 15 through the oil inlet pipe 18, the oil pushes the piston 16 inside the hydraulic cavity 15, the piston 16 pushes the push rod 13 at one end to move, the push rod 13 is inserted into the connecting through hole 8, the connection between the sealing block 20 and the fixed outer ring 7 is enhanced, the sealing performance of the oil pipe 1 is enhanced, when the push rod 13 passes through the connecting through hole 8 to push the clamping block 11 to move, the clamping block 11 rotates on the movable bolt 10, the upper end of the clamping block 11 is pressed downwards, the clamping block is connected with the connecting plate 17, and the clamping, when oil is not injected, oil in the hydraulic cavity 15 flows out through the oil inlet pipe 18, the push rod 13 is restored to the original position under the action of the return spring 14, so that the piston 16 is restored to the original position to push out the oil in the hydraulic cavity, and meanwhile, the clamping block 11 is restored to the original position under the action of the connecting spring 12, so that the plugging block 5 is conveniently pulled out.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a hydraulic oil pipe prevents top open flow device, includes oil pipe (1), the inner wall of oil pipe (1) one end is provided with sealed rubber ring (6), its characterized in that: the outer side of one end of the oil pipe (1) is provided with an installation base (2), the lower end of the installation base (2) is provided with an installation plate (3), a fixed outer ring (7) is installed at the middle position inside the installation base (2), the fixed outer ring (7) is located at the outer side of the oil pipe (1), connecting through holes (8) are formed in the two sides of the inner wall of the fixed outer ring (7), the two connecting through holes (8) are located above the oil pipe (1) and are symmetrically distributed, installation blocks (9) are fixedly installed on the two sides of the upper end of the fixed outer ring (7), the two installation blocks (9) are symmetrically distributed, a movable bolt (10) is installed at the middle position of the two installation blocks (9), a clamping block (11) is sleeved on the surface of the movable bolt (10) in a movable mode, a blocking block (5) is arranged at the middle position inside the fixed outer ring, the lower extreme of jam block (5) is provided with sealed piece (20), sealed piece (20) with oil pipe (1) is connected, the intermediate position department of sealed piece (20) is provided with into oil pipe (18), it is located to advance oil pipe (18) lower extreme sealed piece (20)'s the outside, and installs filter screen (19), hydraulic pressure chamber (15) are all installed to the both sides of the inside upper end of sealed piece (20), one side of hydraulic pressure chamber (15) with advance oil pipe (18) and be connected, the inside cover of hydraulic pressure chamber (15) is equipped with piston (16), catch bar (13) are installed to the one end of piston (16), the one end of catch bar (13) is passed hydraulic pressure chamber (15) are located the outside of sealed piece (20), one side on catch bar (13) surface is provided with the baffle, the baffle is located the inside of sealed piece (20), the surface cover of catch bar (13) is equipped with reset spring (14), the one end of reset spring (14) is located one side of baffle, the upper end of sealed piece (20) is provided with connecting plate (17), connecting rod (4) are installed to the upper end of connecting plate (17).

2. The hydraulic oil pipe top-blowout prevention device according to claim 1, wherein: the clamping blocks (11) are distributed in an inclined mode, one ends of the clamping blocks (11) are located on one side of the connecting through holes (8), and the other ends of the clamping blocks (11) are located above the fixed outer ring (7).

3. The hydraulic oil pipe top-blowout prevention device according to claim 1, wherein: the sealing block (20) is in a semicircular shape, and the lower end of the sealing block (20) is inserted into the oil pipe (1) and attached to the sealing rubber ring (6).

4. The hydraulic oil pipe ejection preventing device according to claim 3, wherein: the inner radius of the sealing block (20) is larger than the inner diameter of the oil pipe (1), and the inner radius of the sealing block (20) is smaller than the inner diameter of the fixed outer ring (7).

5. The hydraulic oil pipe top-blowout prevention device according to claim 1, wherein: and a connecting spring (12) is installed on one side of the surface of the clamping block (11), one end of the connecting spring (12) is fixedly connected with one side of the fixed outer ring (7), and one end of the connecting spring (12) is positioned above the connecting through hole (8).

6. The hydraulic oil pipe top-blowout prevention device according to claim 1, wherein: the inner diameter of the push rod (13) is equal to that of the connecting through hole (8) and is positioned on the same horizontal line.