CN214118125U - Special hydraulic control cutting knife convenient to disassemble and assemble for oil exploitation - Google Patents

Abstract

The utility model relates to an oil development technical field just discloses an oil development is with professional liquid accuse cutting knife of dismouting of being convenient for, including the drilling rod, the bottom movable mounting of drilling rod has the drill bit, the bottom movable mounting of drill bit has the cutting knife, the inside fixed mounting of drilling rod has the threaded rod that extends to the thread bush inside. This oil development is with professional liquid accuse cutting knife of dismouting of being convenient for, the threaded rod is threaded connection with the thread bush, rotate the drill bit again, just can dismantle the cutting knife, when the installation, rotate the drill bit, thread bush and threaded rod threaded connection, press the movable rod downwards, the movable rod is in the while that descends, can extrude the card post on both sides, reset spring atress shrink drives the inside of card post card income thread bush, just be connected connecting plate and buckle device again, just accomplish the installation, this kind of simple structure, the installation is stable, the simple operation, can be more the time completion installation and dismantlement, the purpose of the dismouting of being convenient for has been reached.

Description

Special hydraulic control cutting knife convenient to disassemble and assemble for oil exploitation

Technical Field

The utility model relates to an oil development technical field specifically is a petroleum exploitation adopts professional liquid accuse cutting knife of dismouting of being convenient for.

Background

Oil extraction refers to the action of excavating and extracting oil in places where oil is stored, and in the process of oil extraction, oil gas flows into the well bottom from a reservoir stratum and rises to the well top from the well bottom.

The professional hydraulic control cutting knife for oil exploitation in the existing market is various in types, even if the professional hydraulic control cutting knife can be used for oil exploitation, the professional hydraulic control cutting knife needs to be replaced after being used for a long time, otherwise, the exploitation efficiency is affected, but the professional hydraulic control cutting knife needs to be operated at a high speed when the oil exploitation is carried out, so that when the hydraulic control cutting knife is installed, a thread structure or a welding mode is generally adopted, the professional hydraulic control cutting knife is connected in a thread structure mode, a plurality of screws are needed, the disassembly and the installation are troublesome, the professional hydraulic control cutting knife is easy to loosen when the hydraulic control cutting knife is operated at a high speed, the welding mode is adopted, the disassembly and the installation are more troublesome, and the professional hydraulic control cutting knife convenient to disassemble and assemble for oil exploitation is provided.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an oil development is with professional liquid accuse cutting knife of dismouting of being convenient for possesses advantages such as the dismouting of being convenient for, has solved the problem of being not convenient for installation and dismantlement.

(II) technical scheme

For the purpose of realizing the dismouting of being convenient for of the aforesaid, the utility model provides a following technical scheme: a professional hydraulic control cutting knife convenient to disassemble and assemble for oil exploitation comprises a drill rod, wherein a drill bit is movably mounted at the bottom of the drill rod, a cutting knife is movably mounted at the bottom of the drill bit, a thread sleeve is fixedly mounted inside the drill bit, a threaded rod extending into the thread sleeve is fixedly mounted inside the drill rod, two rectangular boxes are fixedly mounted inside the threaded rod, clamping plates extending to the outside of the thread sleeve are movably mounted inside the rectangular boxes, two reset springs are fixedly mounted inside the rectangular boxes, baffle plates located on the outer surfaces of the reset springs are fixedly mounted at the upper end and the lower end of each clamping plate, movable rods extending into the thread sleeve are movably mounted inside the threaded rod, limiting plates located at the tops of the clamping plates are fixedly mounted on the outer surfaces of the movable rods, and U-shaped blocks are fixedly mounted on the left side and the right side of each movable rod, the outer surface movable mounting of U-shaped piece has the connecting plate, the top movable mounting of drilling rod has the buckle device who runs through the connecting plate.

Preferably, the width of the drill rod is equal to that of the drill bit, and the number of the cutting knives is not less than three.

Preferably, the threaded sleeve is internally provided with a through hole matched with the clamping plate, and the drill rod is internally provided with an accommodating cavity.

Preferably, the threaded rod and the center point of the movable rod are on the same horizontal line, and the two rectangular boxes are on the same transverse horizontal line.

Preferably, the bottom of the movable rod is trapezoidal, and the surfaces of the clamping plates, which are in contact with the limiting plate, are inclined planes.

Preferably, the inside of connecting plate is seted up the card hole with buckle device looks adaptation, two the interval between buckle device and the movable rod is equal.

(III) advantageous effects

Compared with the prior art, the utility model provides an oil development is with professional liquid accuse cutting knife of dismouting of being convenient for possesses following beneficial effect:

the professional hydraulic control cutting knife convenient to disassemble and assemble for oil exploitation achieves the purpose of being convenient to disassemble and assemble by arranging the threaded sleeve, the threaded rod and the clamping plate, the drilling rod, the drill bit, the threaded sleeve, the central points of the threaded rod and the movable rod are all on the same horizontal line, the disassembly and the assembly are more convenient, when the professional hydraulic control cutting knife needs to be replaced, the connecting plate is taken out of the buckling device, the movable rod is pulled upwards, the reset spring can automatically expand to drive the clamping plate to withdraw from the inside of the threaded sleeve, the threaded rod is in threaded connection with the threaded sleeve, the drill bit is rotated to disassemble the cutting knife, the drill bit is rotated, the threaded sleeve is in threaded connection with the threaded rod, the movable rod is pressed downwards, the clamping columns on two sides can be extruded when the movable rod descends, the reset spring is stressed to shrink to drive the clamping columns to be clamped into the inside of the threaded sleeve, then the connecting plate is connected with the buckling device, and the assembly is completed, the structure is simple, the installation is stable, the operation is convenient, the installation and the disassembly can be completed more quickly, and the purpose of convenient disassembly and assembly is achieved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the point A in the structure of FIG. 1;

fig. 3 is an enlarged view of the position B in the structure diagram 1 of the present invention.

In the figure: 1 drilling rod, 2 drill bits, 3 cutting knives, 4 thread bush, 5 threaded rods, 6 rectangle case, 7 cardboard, 8 reset spring, 9 breast boards, 10 movable rods, 11 limiting plates, 12U-shaped piece, 13 connecting plates, 14 buckle device.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a professional hydraulic control cutting knife convenient for disassembly and assembly for oil extraction comprises a drill rod 1, wherein the drill rod 1 and a drill bit 2 are equal in width, the number of the cutting knives 3 is not less than three, the drill bit 2 is movably mounted at the bottom of the drill rod 1, the cutting knives 3 are movably mounted at the bottom of the drill bit 2, a thread sleeve 4 is fixedly mounted inside the drill bit 2, a through hole matched with a clamping plate 7 is formed inside the thread sleeve 4, a containing cavity is formed inside the drill rod 1, a threaded rod 5 extending into the thread sleeve 4 is fixedly mounted inside the drill rod 1, the threaded rod 5 and a central point of a movable rod 10 are on the same horizontal line, two rectangular boxes 6 are arranged on the same horizontal line, two rectangular boxes 6 are fixedly mounted inside the threaded rod 5, the clamping plate 7 extending out of the thread sleeve 4 is movably mounted inside the rectangular boxes 6, two reset springs 8 are fixedly mounted inside the rectangular boxes 6, the equal fixed mounting in upper and lower both ends of cardboard 7 has breast board 9 that is located 8 surfaces of reset spring, the inside movable mounting of threaded rod 5 has movable rod 10 that extends to 4 inside of thread bush, the bottom of movable rod 10 is trapezoidal, cardboard 7 is the inclined plane with the one side of limiting plate 11 contact, the outer fixed mounting of movable rod 10 has limiting plate 11 that is located cardboard 7 tops, the equal fixed mounting in the left and right sides of movable rod 10 has U-shaped piece 12, the outer movable mounting of U-shaped piece 12 has connecting plate 13, the inside card hole with 14 looks adaptations of buckle device is seted up to connecting plate 13, interval between two buckle device 14 and the movable rod 10 is equal, the top movable mounting of drilling rod 1 has buckle device 14 that runs through connecting plate 13.

To sum up, the professional hydraulic cutting knife convenient for disassembly and assembly for oil exploitation achieves the purpose of convenient disassembly and assembly by arranging the threaded sleeve 4, the threaded rod 5 and the clamping plate 7, the central points of the drill rod 1, the drill bit 2, the threaded sleeve 4, the threaded rod 5 and the movable rod 10 are all on the same horizontal line, the disassembly and assembly are more convenient, when the professional hydraulic cutting knife needs to be replaced, the connecting plate 13 is taken out from the buckling device 14, the movable rod 10 is pulled upwards, the reset spring 8 can automatically expand to drive the clamping plate 7 to withdraw from the interior of the threaded sleeve 4, the threaded rod 5 is in threaded connection with the threaded sleeve 4, the drill bit 2 is rotated again, the cutting knife 3 can be disassembled, when the drill bit 2 is installed, the threaded sleeve 4 is in threaded connection with the threaded rod 5, the movable rod 10 is pressed downwards, the movable rod 10 can extrude the clamping columns 7 on two sides while descending, the reset spring 8 is stressed to shrink to drive the clamping columns 7 to be clamped into the interior of the threaded sleeve 4, the connecting plate 13 is connected with the buckling device 14 in place, and installation is completed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 (6)

1. The utility model provides an oil development is with professional liquid accuse cutting knife convenient to dismouting, includes drilling rod (1), its characterized in that: the drill rod structure is characterized in that a drill bit (2) is movably mounted at the bottom of the drill rod (1), a cutting knife (3) is movably mounted at the bottom of the drill bit (2), a thread sleeve (4) is fixedly mounted inside the drill bit (2), a threaded rod (5) extending to the inside of the thread sleeve (4) is fixedly mounted inside the drill rod (1), two rectangular boxes (6) are fixedly mounted inside the threaded rod (5), a clamping plate (7) extending to the outside of the thread sleeve (4) is movably mounted inside the rectangular boxes (6), two reset springs (8) are fixedly mounted inside the rectangular boxes (6), baffle plates (9) located on the outer surfaces of the reset springs (8) are fixedly mounted at the upper end and the lower end of the clamping plate (7), a movable rod (10) extending to the inside of the thread sleeve (4) is movably mounted inside the threaded rod (5), the outer fixed surface of movable rod (10) installs limiting plate (11) that are located cardboard (7) top, the equal fixed mounting in the left and right sides of movable rod (10) has U-shaped piece (12), the outer movable surface mounting of U-shaped piece (12) has connecting plate (13), the top movable mounting of drilling rod (1) has buckle device (14) that runs through connecting plate (13).

2. The special hydraulic control cutting knife convenient to disassemble and assemble for oil exploitation according to claim 1, characterized in that: the width of the drill rod (1) is equal to that of the drill bit (2), and the number of the cutting knives (3) is not less than three.

3. The special hydraulic control cutting knife convenient to disassemble and assemble for oil exploitation according to claim 1, characterized in that: the drill rod is characterized in that a through hole matched with the clamping plate (7) is formed in the threaded sleeve (4), and an accommodating cavity is formed in the drill rod (1).

4. The special hydraulic control cutting knife convenient to disassemble and assemble for oil exploitation according to claim 1, characterized in that: the threaded rod (5) and the central point of the movable rod (10) are on the same horizontal line, and the rectangular boxes (6) are on the same horizontal line.

5. The special hydraulic control cutting knife convenient to disassemble and assemble for oil exploitation according to claim 1, characterized in that: the bottom of the movable rod (10) is trapezoidal, and the surfaces, contacting with the limiting plates (11), of the clamping plates (7) are inclined planes.

6. The special hydraulic control cutting knife convenient to disassemble and assemble for oil exploitation according to claim 1, characterized in that: the inside of connecting plate (13) is seted up the card hole with buckle device (14) looks adaptation, two the interval between buckle device (14) and movable rod (10) is equal.

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