Crank body for oil exploitation equipment

Abstract

The utility model relates to the technical field of petroleum equipment, and discloses a crank body for petroleum exploitation equipment, which comprises a crank body component, rack grooves are arranged on two sides of the crank body component, a crank main body is arranged in an inner cavity of the crank body component, a pin hole is arranged at the top end of the front surface of the crank main body, and a pin shaft is arranged in the pin hole. An output rod is arranged in a pin hole in the top end of the front face of the crank body, an eccentric block assembly is arranged on the front face of the output rod, and a round through hole is formed in the top end of the front face of the eccentric block assembly. The threaded rod can rotate in the threaded groove in the middle of the bottom of the lifting shell, the lifting shell can ascend and descend through rotation of the threaded rod, the lifting shell can drive the crank body to ascend and descend, and the pin hole of the crank body and the outer wall of the output rod can be more conveniently installed through the lifting function of the lifting device.

Description

Technical Field

[0001] The utility model relates to the technical field of petroleum equipment, and more specifically to a crank body for petroleum extraction equipment. Background Art

[0002] Crankshaft is a common mechanical component used to convert reciprocating motion into rotational motion. It is usually composed of several cranks arranged in a row. Each crank has an eccentric shaft, which converts reciprocating motion into rotational motion through connection with the connecting rod. Crankshaft is widely used in various mechanical equipment such as internal combustion engines, generators, diesel engines, and automobile engines. Crankshaft requires precise balance, strength and durability to ensure normal operation and long service life. It is an important mechanical component used to convert reciprocating motion into rotational motion and is widely used in various internal combustion engines and mechanical equipment.

[0003] The crank bodies for oil production equipment currently on the market still have the following shortcomings: 1. When installing the existing crank bodies for oil production equipment, it is necessary to align the pin hole with the output rod, which is cumbersome and inconvenient to install; 2. When assembling the existing crank bodies for oil production equipment, the output rod needs to be connected to the bearing, and the installation and fixing of the bearing is time-consuming and laborious, which affects the working time of the oil well. Utility Model Content

[0004] In order to overcome the above defects of the prior art, the utility model provides a crank body for oil production equipment to solve the problems existing in the above background technology.

[0005] The utility model provides the following technical solutions: a crank body for oil production equipment, comprising a crank body assembly, rack grooves are provided on both sides of the crank body assembly, a crank body is provided in the inner cavity of the crank body assembly, a pin hole is provided at the top of the front face of the crank body, an output rod is provided in the pin hole at the top of the front face of the crank body, an eccentric block assembly is provided at the front face of the output rod, a circular through hole is provided at the top of the front face of the eccentric block assembly, an outer wall of the output rod is fixedly connected to the circular through hole at the top of the front face of the eccentric block assembly, a square groove is provided at the inner cavity of the crank body assembly near the bottom of the crank body, both ends of the bottom of the square groove of the crank body assembly are fixedly connected to lifting devices, the top of the lifting device is fixedly connected to the bottom of the crank body, and a bearing assembly is fixedly connected to the front face of the crank body near the bottom of the output rod.

[0006] Furthermore, the crank body assembly includes a crank body shell, a plurality of fixed blocks are fixedly connected to the top of the crank body shell, a circular hole is opened at the bottom end of one side of each fixed block, a connecting shaft is provided on one side of the fixed block, the outer wall of the connecting shaft is fixedly connected to the circular hole at the bottom end of one side of each fixed block, and a cylindrical through hole is opened at the bottom end of the crank body shell.

[0007] Furthermore, the eccentric block assembly includes a connecting plate, the bottom end of the front side of the connecting plate is fixedly connected to the eccentric block body, and the middle of the front side of the eccentric block body is fixedly connected to a connecting rod.

[0008] Furthermore, the lifting device includes a driving motor, a threaded rod is fixedly connected to the top of the driving motor, a lifting shell is provided on the top of the threaded rod, a threaded groove is provided in the middle of the bottom of the lifting shell, the outer wall of the threaded rod is movably connected to the threaded groove in the middle of the bottom of the lifting shell, and the lifting device facilitates the lifting and lowering of the crank body.

[0009] Furthermore, the bearing assembly includes a fixed shell, a circular hole is opened on one side of the fixed shell, a rotating rod is movably connected in the circular hole on one side of the fixed shell, a connecting block is fixedly connected to the middle of the outer wall of the rotating rod, and a bearing body is fixedly connected to the back side of the connecting block, so that the bearing assembly facilitates the installation of the bearing body.

[0010] Furthermore, the outer wall of the bearing body is movably connected to the pin hole at the top of the front side of the crank body, and the outer wall of the output rod is movably connected to the inner wall of the bearing body.

[0011] Technical effects and advantages of the utility model:

[0012] The utility model is provided with a lifting device, which is conducive to driving the threaded rod to rotate through a driving motor. The threaded rod will rotate in the threaded groove in the middle of the bottom of the lifting shell. The rotation of the threaded rod will cause the lifting shell to be lifted and lowered, and the lifting shell will drive the crank body to be lifted and lowered. The lifting function of the lifting device makes it easier to install the pin hole of the crank body and the outer wall of the output rod.

[0013] The utility model is provided with a bearing assembly, which is conducive to driving the rotating rod to rotate in the circular hole on one side of the fixed shell through the connecting block. The connecting block rotates to drive the bearing body to enter the pin hole at the top end of the front side of the crank body, and the bearing body is easy to install. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic cross-sectional diagram of the overall structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 3 It is a schematic cross-sectional view of the crank body assembly structure of the utility model;

[0017] Figure 4 It is a schematic cross-sectional view of the eccentric block assembly structure of the utility model;

[0018] Figure 5 It is a schematic cross-sectional view of the lifting device structure of the utility model;

[0019] Figure 6 It is a schematic cross-sectional view of the bearing assembly structure of the utility model.

[0020] The figures are marked as follows: 1. crank body assembly; 101. crank body shell; 102. fixed block; 103. connecting shaft; 2. crank body; 3. output rod; 4. eccentric block assembly; 401. connecting plate; 402. eccentric block body; 403. connecting rod; 5. lifting device; 501. driving motor; 502. threaded rod; 503. lifting shell; 6. bearing assembly; 601. fixed shell; 602. rotating rod; 603. connecting block; 604. bearing body. DETAILED DESCRIPTION

[0021] The technical solution of the present invention will be clearly and completely described below in conjunction with the drawings in the present invention. In addition, the forms of the various structures recorded in the following embodiments are merely illustrative. The crank body for oil extraction equipment involved in the present invention is not limited to the various structures recorded in the following embodiments. All other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the present invention.

[0022] Reference Figure 1-6 As shown, the utility model provides a crank body for oil production equipment, including a crank body assembly 1, rack grooves are provided on both sides of the crank body assembly 1, a crank body 2 is provided in the inner cavity of the crank body assembly 1, a pin hole is provided at the front top of the crank body 2, an output rod 3 is provided in the pin hole at the front top of the crank body 2, an eccentric block assembly 4 is provided at the front of the output rod 3, a circular through hole is provided at the front top of the eccentric block assembly 4, the outer wall of the output rod 3 is fixedly connected to the circular through hole at the front top of the eccentric block assembly 4, a square groove is provided in the inner cavity of the crank body assembly 1 near the bottom of the crank body 2, both ends of the bottom of the square groove of the crank body assembly 1 are fixedly connected with a lifting device 5, the top of the lifting device 5 is fixedly connected to the bottom of the crank body 2, and a bearing assembly 6 is fixedly connected to the front of the crank body 2 near the bottom of the output rod 3.

[0023] In a preferred embodiment, the crank body assembly 1 includes a crank body shell 101, and a plurality of fixed blocks 102 are fixedly connected to the top of the crank body shell 101, and a circular hole is opened at the bottom end of one side of each fixed block 102, and a connecting shaft 103 is provided on one side of the fixed block 102, and the outer wall of the connecting shaft 103 is fixedly connected to the circular hole at the bottom end of one side of each fixed block 102, and a cylindrical through hole is opened at the bottom end of the crank body shell 101.

[0024] In a preferred embodiment, the eccentric block assembly 4 includes a connecting plate 401 , the bottom end of the front side of the connecting plate 401 is fixedly connected to an eccentric block body 402 , and the middle of the front side of the eccentric block body 402 is fixedly connected to a connecting rod 403 .

[0025] In a preferred embodiment, the lifting device 5 includes a driving motor 501, a threaded rod 502 is fixedly connected to the top of the driving motor 501, a lifting shell 503 is provided on the top of the threaded rod 502, a threaded groove is provided in the middle of the bottom of the lifting shell 503, and the outer wall of the threaded rod 502 is movably connected to the threaded groove in the middle of the bottom of the lifting shell 503, so that the lifting device 5 facilitates the lifting and lowering of the crank body 2.

[0026] In a preferred embodiment, the bearing assembly 6 includes a fixed shell 601, a circular hole is opened on one side of the fixed shell 601, a rotating rod 602 is movably connected in the circular hole on one side of the fixed shell 601, a connecting block 603 is fixedly connected in the middle of the outer wall of the rotating rod 602, and a bearing body 604 is fixedly connected to the back side of the connecting block 603.

[0027] In a preferred embodiment, the outer wall of the bearing body 604 is movably connected to the pin hole at the top of the front side of the crank body 2 , and the outer wall of the output rod 3 is movably connected to the inner wall of the bearing body 604 .

[0028] The working principle of this utility model:

[0029] Before use, the output rod 3 needs to be installed with the pin hole of the crank body 2. First, the connecting block 603 drives the rotating rod 602 to rotate in the circular hole on one side of the fixed shell 601. The connecting block 603 rotates to drive the bearing body 604 to enter the pin hole at the top of the front face of the crank body 2. The bearing body 604 is easy to install. The outer wall of the output rod 3 needs to be installed with the pin hole at the top of the front face of the crank body 2. By manipulating the device to operate each lifting device 5, the driving motor 501 will drive the threaded rod 502 to rotate. The threaded rod 502 It will rotate in the threaded groove in the middle of the bottom of the lifting shell 503. The rotation of the threaded rod 502 will make the lifting shell 503 rise and fall, and the lifting shell 503 will drive the crank body 2 to rise and fall. The lifting function of the lifting device makes it more convenient to install the pin hole of the crank body and the outer wall of the output rod. After the middle of the outer wall of the output rod 3 and the pin hole of the crank body 2 are installed, the output rod 3 is easy to connect with the circular through hole at the top of the front side of the eccentric block assembly 4, and the output rod 3 can drive the eccentric block body 402 at the bottom of the front side of the connecting plate 401 to rotate.

Claims

1. A crank body for oil production equipment, comprising a crank body assembly (1), characterized in that: Rack grooves are provided on both sides of the crank body assembly (1); a crank body (2) is provided in the inner cavity of the crank body assembly (1); a pin hole is provided at the top of the front face of the crank body (2); an output rod (3) is provided in the pin hole at the top of the front face of the crank body (2); an eccentric block assembly (4) is provided at the front face of the output rod (3); a circular through hole is provided at the top of the front face of the eccentric block assembly (4); an outer wall of the output rod (3) is fixedly connected to the circular through hole at the top of the front face of the eccentric block assembly (4); a square groove is provided at the inner cavity of the crank body assembly (1) near the bottom of the crank body (2); lifting devices (5) are fixedly connected at both ends of the bottom of the square groove of the crank body assembly (1); the top of the lifting device (5) is fixedly connected to the bottom of the crank body (2); a bearing assembly (6) is fixedly connected at the front face of the crank body (2) near the bottom of the output rod (3).

2. A crank body for oil production equipment according to claim 1, characterized in that: The crank body assembly (1) comprises a crank body outer shell (101), a plurality of fixed blocks (102) are fixedly connected to the top of the crank body outer shell (101), a circular hole is provided at the bottom end of one side of each of the fixed blocks (102), a connecting shaft (103) is provided at one side of the fixed block (102), an outer wall of the connecting shaft (103) is fixedly connected to the circular hole at the bottom end of one side of each of the fixed blocks (102), and a cylindrical through hole is provided at the bottom end of the crank body outer shell (101).

3. The crank body for oil production equipment according to claim 1, characterized in that: The eccentric block assembly (4) comprises a connecting plate (401), the front bottom end of the connecting plate (401) is fixedly connected to an eccentric block body (402), and the middle of the front side of the eccentric block body (402) is fixedly connected to a connecting rod (403).

4. The crank body for oil production equipment according to claim 1, characterized in that: The lifting device (5) comprises a driving motor (501), the top of the driving motor (501) is fixedly connected to a threaded rod (502), the top of the threaded rod (502) is provided with a lifting shell (503), the bottom middle of the lifting shell (503) is provided with a threaded groove, and the outer wall of the threaded rod (502) is movably connected to the threaded groove in the middle of the bottom of the lifting shell (503).

5. The crank body for oil production equipment according to claim 1, characterized in that: The bearing assembly (6) comprises a fixed shell (601), a circular hole is formed on one side of the fixed shell (601), a rotating rod (602) is movably connected in the circular hole on one side of the fixed shell (601), a connecting block (603) is fixedly connected in the middle of the outer wall of the rotating rod (602), and a bearing body (604) is fixedly connected to the back side of the connecting block (603).

6. A crank body for oil production equipment according to claim 5, characterized in that: The outer wall of the bearing body (604) is movably connected to the pin hole at the top end of the front face of the crank body (2), and the outer wall of the output rod (3) is movably connected to the inner wall of the bearing body (604).

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