Protective shell of oil pumping unit

Abstract

The utility model relates to the technical field of oil pumping units, in particular to an oil pumping unit protection shell which cleans the inner side face of a crank on the rear portion of equipment through a cleaning device, reduces maintenance cost, adjusts the installation height position of a motor through cooperation of a fixing device and an adjusting device, facilitates installation and adjustment of the equipment, and improves installation efficiency. The equipment can adapt to different installation environments, and the practicability of the device is improved; comprising a cleaning device, a fixing device and an adjusting device, the fixing device is installed on the cleaning device, and the adjusting device is installed on the cleaning device.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of pumping unit, in particular to a pumping unit protective shell. BACKGROUND

[0002] Pumping unit is a kind of machine equipment for exploiting petroleum, commonly known as "kowtow machine";Pumping unit is the most main lifting equipment in rod pumping system;According to whether there is beam, can be divided into beam pumping unit and beamless pumping unit;The working principle of beam pumping unit is: power is supplied by power machine, the high-speed rotation of power machine is changed into the low-speed rotation of pumping unit crank by speed reducer, and the rotary motion is changed into the up-and-down reciprocating motion of pumping unit horse head by crank-rod-beam mechanism, and the deep well pump is driven to work by suspension rope device assembly, the protective shell of pumping unit is located at the tail of machine lower side, mainly provides support for equipment tail and protects control element.

[0003] The prior art patent with the application number CN01268286.1 relates to a linkage variable-moment beam pumping unit, including suspension rope device, rope, horse head, beam, support, connecting rod, crossbeam, crank pin, crank and speed reducer, etc., which can reduce motor power, speed reducer model, and reduce the cost of the whole machine.

[0004] But the above-mentioned device in actual use motor is installed on the base, can only adjust the horizontal position of motor, does not have the ability of adjusting the installation height of motor, and the crank is usually installed at low position, the top of crank is close to ground during rotation, and a large amount of sand and ice blocks are adhered to the inside and outside of crank in rainy and snowy weather, which increases the labor intensity of maintenance personnel. SUMMARY

[0005] To solve the above technical problems, the utility model provides a kind of pumping unit protective shell, which is cleaned by cleaning device on the inside of crank at the rear of equipment, reduces maintenance cost, adjusts the installation height position of motor by fixed device cooperation adjusting device, facilitates the installation adjustment of equipment, and makes equipment adapt to different installation environments, improves the practicability of device.

[0006] The utility model relates to a kind of pumping unit protective shell;Including cleaning device, fixed device and adjusting device, fixed device is installed on cleaning device, adjusting device is installed on cleaning device;The inside of crank at the rear of equipment is cleaned by cleaning device, reduces maintenance cost, adjusts the installation height position of motor by fixed device cooperation adjusting device, facilitates the installation adjustment of equipment, and makes equipment adapt to different installation environments, improves the practicability of device.

[0007] Preferably, the cleaning device comprises a base, a main shell, a support frame, an electric cylinder, a brush plate and a rectangular hole, the rear upper end surface of the base is provided with the main shell, the top of the main shell is provided with the controller of the equipment, the bottom of the main shell is provided with the support frame, the left and right upper sides of the support frame are respectively provided with a group of electric cylinders, the moving end of the electric cylinder is connected with the brush plate, the left and right sides of the main shell are respectively provided with a group of rectangular holes, and the two groups of brush plates can extend to the outside of the main shell through the rectangular holes; the brush plate connected with the moving end of the electric cylinder is in contact with the inner side of the crank through the control of the extension of the electric cylinder, so that the ice or mud and stones adhered to the inner side of the crank are cleaned, the labor intensity of the maintenance personnel is reduced, and the practicability of the device is improved.

[0008] Preferably, the pressure sensor is arranged on the moving end of the electric cylinder; the pressure on the moving end of the electric cylinder is monitored through the pressure sensor arranged on the moving end of the electric cylinder, so that the damage of the equipment caused by excessive pressure on the moving end of the electric cylinder is prevented, and the practicability of the device is improved.

[0009] Preferably, the fixing device comprises a mounting frame, an I-shaped steel frame, a lifting adjusting hole, a limiting plate and a fastening bolt, the left and right rear sides of the main shell are provided with two groups of mounting frames, the front end surface of the mounting frame is vertically connected with the I-shaped steel frame, the rear end surface of the main shell is provided with a group of lifting adjusting holes on the left and right sides, the left and right sides of the lifting adjusting hole are respectively provided with a group of limiting plates, the I-shaped steel frame can be inserted into the lifting adjusting hole and the two groups of limiting plates are inserted into the grooves on the left and right sides of the I-shaped steel frame, and the upper and lower parts of the front end surface of the I-shaped steel frame are respectively provided with a plurality of fastening bolts; the installation of the motor is supported through the mounting frame, the installation height of the motor is changed by adjusting the height of the mounting frame, the installation and debugging of the equipment are facilitated, the adaptability of the equipment to the installation environment is improved, the installation height of the motor is increased to reduce the influence of rainy and snowy weather on the normal work of the motor, the vertical movement of the I-shaped steel frame is limited through the limiting plate, the moving end of the fastening bolt is pressed against the limiting plate through the rotation of the fastening bolt, so that the position of the I-shaped steel frame is preliminarily and auxiliary fixed, and the practicability of the device is improved.

[0010] Preferably, the adjusting device comprises a limiting fixed plate, a limiting tooth, a limiting tooth plate and a connecting bolt, a group of limiting tooth plates are arranged on the left and right side edges of each group of lifting adjusting holes on the rear end face of the main shell, two groups of limiting fixed plates are arranged in the main shell and connected with the rear end face of the I-beam frame through the connecting bolt, the rear end face of the limiting fixed plate is provided with a limiting tooth on the left and right sides, and the limiting teeth on the two sides are located on the front side of the two groups of limiting tooth plates; the limiting fixed plate is connected with the front part of the I-beam frame through the connecting bolt, the limiting tooth is pressed against the limiting tooth plate in the process of rotating the connecting bolt, so that the height position of the I-beam frame is limited, the situation that the I-beam frame slowly slides down due to self vibration of the motor during operation is prevented, the height of the I-beam frame is adjusted quickly by loosening the connecting bolt, the labor intensity of the operator during height adjustment of the I-beam frame is reduced, and the practicability and stability of the device are improved.

[0011] Preferably, the device further comprises a motor, a belt drive, a speed reducer and a crank frame, the speed reducer is installed at the rear part of the upper end face of the main shell, the crank frame is connected to the output end of the speed reducer, the motor is installed on the upper end face of the two groups of mounting frames, and the two ends of the belt drive are connected with the input end of the speed reducer and the output end of the motor; the motor is started to transmit power to the crank frame through the belt drive and the speed reducer, so that the crank frame is rotated, and power is provided for the equipment, and the practicability of the device is improved.

[0012] Compared with the prior art, the device has the beneficial effects that: the rear crank inner side face of the equipment is cleaned through the cleaning device, the maintenance cost is reduced, the installation height position of the motor is adjusted through the fixing device and the adjusting device, the installation and adjustment of the equipment are facilitated, the equipment can adapt to different installation environments, and the practicability of the device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is the isometric structural schematic view of the device;

[0014] Figure 2 is the first cross-sectional structural schematic view of the device;

[0015] Figure 3 is the second cross-sectional structural schematic view of the device;

[0016] Figure 4 is the third cross-sectional structural schematic view of the device;

[0017] Marked in the drawing: 1, base; 2, main shell; 3, support frame; 4, electric cylinder; 5, brush plate; 6, rectangular hole; 7, pressure sensor; 8, mounting frame; 9, I-beam frame; 10, lifting adjusting hole; 11, limiting plate; 12, fastening bolt; 13, limiting fixed plate; 14, limiting tooth; 15, limiting tooth plate; 16, connecting bolt; 17, motor; 18, belt drive machine; 19, speed reducer; 20, crank frame. DETAILED DESCRIPTION

[0018] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the accompanying drawings. The present application can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive. EMBODIMENT

[0019] As Figure 1 , Figure 2 , Figure 3 And Figure 4 The fixing device is installed on the cleaning device, and the adjusting device is installed on the fixing device;

[0020] First, control the electric cylinder 4 to extend and drive the brush plate 5 connected to the moving end of the electric cylinder 4 to contact the inner side of the crank, and clean the ice or mud and sand adhered to the inner side of the crank. During the installation of the motor, adjust the height position of the I-beam frame 9 in the lifting adjusting hole 10, then rotate the connecting bolt 16 to make the limiting tooth 14 press the limiting tooth plate 15 to limit and fix the position of the lifting adjusting hole 10, and then rotate the fastening bolt 12 to make the moving end of the fastening bolt 12 press the limiting plate 11 to assist in fixing the position of the I-beam frame 9.

[0021] The cleaning device comprises a base 1, a main shell 2, a support frame 3, an electric cylinder 4, a brush plate 5 and a rectangular hole 6, the rear part of the upper end face of the base 1 is provided with the main shell 2, the top of the main shell 2 is provided with a controller of the equipment, the bottom of the main shell 2 is provided with the support frame 3, the upper part of the left and right two side faces of the support frame 3 is respectively horizontally fixed with a group of electric cylinders 4, the moving end of the electric cylinder 4 is connected with the brush plate 5, the left and right two side faces of the main shell 2 is respectively vertically provided with a group of rectangular holes 6, and the two groups of brush plates 5 can extend to the outside of the main shell 2 through the rectangular holes 6;

[0022] Further comprising a pressure sensor 7, the moving end of the electric cylinder 4 is provided with the pressure sensor 7;

[0023] The fixing device comprises mounting racks 8, I-shaped steel racks 9, lifting adjustment holes 10, limiting plates 11 and fastening bolts 12, two groups of mounting racks 8 are located at the left and right parts of the rear side of the main shell 2, the I-shaped steel racks 9 are vertically connected to the front end faces of the mounting racks 8, a group of lifting adjustment holes 10 is arranged on the left and right sides of the rear end face of the main shell 2 respectively, a group of limiting plates 11 is arranged on the left and right sides of the lifting adjustment hole 10 respectively, the I-shaped steel racks 9 can be inserted into the lifting adjustment holes 10 and the two groups of limiting plates 11 are inserted into the grooves on the left and right sides of the I-shaped steel racks 9, and a plurality of fastening bolts 12 are arranged on the upper and lower parts of the front end face of the I-shaped steel rack 9 respectively;

[0024] The adjusting device comprises limiting fixed plates 13, limiting teeth 14, limiting tooth plates 15 and connecting bolts 16, a group of limiting tooth plates 15 is arranged on the left and right side edges of each group of lifting adjustment holes 10 on the inner rear end face of the main shell 2, two groups of limiting fixed plates 13 are arranged in the main shell 2 and are connected to the rear end face of the I-shaped steel rack 9 through the connecting bolts 16, the limiting teeth 14 are arranged on the left and right sides of the rear end face of the limiting fixed plate 13, and the limiting teeth 14 on the two sides are located on the front side of the two groups of limiting tooth plates 15;

[0025] Further comprising a motor 17, a belt transmission machine 18, a speed reducer 19 and a crank frame 20, the speed reducer 19 is installed on the rear part of the upper end face of the main shell 2, the crank frame 20 is connected to the output end of the speed reducer 19, the motor 17 is installed on the upper end face of the two groups of mounting racks 8, and the two ends of the belt transmission machine 18 are connected with the input end of the speed reducer 19 and the output end of the motor 17 respectively;

[0026] The device rear crank inner side face is cleaned through the cleaning device, the maintenance cost is reduced, the installation height position of the motor is adjusted through the fixing device and the adjusting device, the installation and adjustment of the equipment are facilitated, the equipment can adapt to different installation environments, and the practicability of the device is improved.

[0027] As Figures 1 to 4 shown, the oil pumping machine protection shell of the utility model, when working, first control electric cylinder 4 elongation drive electric cylinder 4 mobile end on the connection brush plate 5 and crank inner side face contact, the ice block or silt stone etc. that adheres on the crank inner side face is cleaned, the height position of I-shaped steel rack 9 in lifting adjustment hole 10 is adjusted during the motor installation, then rotates connecting bolt 16 and makes limiting tooth 14 press tightly limiting tooth plate 15 and fixes the position of lifting adjustment hole 10, then rotates fastening bolt 12 and makes the mobile end of fastening bolt 12 press tightly limiting plate 11 and then auxiliary fixed position of I-shaped steel rack 9 can be.

[0028] The electric cylinder 4, the pressure sensor 7, the motor 17, the belt transmission machine 18 and the speed reducer 19 of the utility model are purchased on the market, and the technical personnel in the industry only needs to install and operate according to the attached instruction manual, and the technical personnel in the field does not need to pay the creative labor.

[0029] The above is only the preferred embodiment of the utility model, and it should be pointed out that, for ordinary technical personnel in the technical field, several improvements and modifications can be made without departing from the technical principle of the utility model, and these improvements and modifications should be regarded as the protection range of the utility model.

Claims

1. A protective housing for an oil pumping unit; characterized in that, The device includes a cleaning device, a fixing device, and an adjusting device. The fixing device is installed on the cleaning device, and the adjusting device is installed on the cleaning device. The cleaning device includes a base (1), a main housing (2), a support frame (3), an electric cylinder (4), a brush plate (5), and a rectangular hole (6). The main housing (2) is installed on the rear of the upper end face of the base (1). The controller of the device is installed on the top of the main housing (2). The support frame (3) is installed on the bottom of the main housing (2). A set of electric cylinders (4) are horizontally fixed on the left and right sides of the support frame (3). The brush plate (5) is connected to the moving end of the electric cylinder (4). A set of rectangular holes (6) are vertically arranged on the left and right sides of the main housing (2). The two sets of brush plates (5) can extend to the outside of the main housing (2) through the rectangular holes (6). The device also includes a pressure sensor. The device (7) has a pressure sensor (7) installed on the moving end of the electric cylinder (4); the fixing device includes a mounting bracket (8), an I-beam frame (9), a lifting adjustment hole (10), a limit plate (11) and fastening bolts (12). Two sets of mounting brackets (8) are located on the left and right sides of the rear side of the main housing (2). The I-beam frame (9) is vertically connected to the front end face of the mounting bracket (8). A set of lifting adjustment holes (10) is provided on the left and right sides of the rear end face of the main housing (2). A set of limit plates (11) is provided on the left and right sides of the lifting adjustment hole (10). The I-beam frame (9) can be inserted into the lifting adjustment hole (10) and the two sets of limit plates (11) are inserted into the grooves on both sides of the I-beam frame (9). Multiple sets of fastening bolts (12) are provided on the upper and lower parts of the front end face of the I-beam frame (9).

2. The protective housing for an oil pumping unit as described in claim 1, characterized in that, The adjustment device includes a limiting fixing plate (13), a limiting tooth (14), a limiting tooth plate (15), and a connecting bolt (16). A set of limiting tooth plates (15) is respectively provided on the left and right sides of each set of lifting adjustment holes (10) on the inner rear end face of the main housing (2). The two sets of limiting fixing plates (13) are located inside the main housing (2) and are connected to the rear end face of the I-beam frame (9) through the connecting bolt (16). Limiting teeth (14) are respectively provided on the left and right sides of the rear end face of the limiting fixing plate (13). The limiting teeth (14) on both sides are located on the front side of the two sets of limiting tooth plates (15).

3. The protective housing for an oil pumping unit as described in claim 2, characterized in that, It also includes a motor (17), a belt drive (18), a reducer (19) and a crank frame (20). The reducer (19) is installed on the rear of the upper end face of the main housing (2). The crank frame (20) is connected to the output end of the reducer (19). The motor (17) is installed on the upper end face of two sets of mounting brackets (8). The two ends of the belt drive (18) are connected to the input end of the reducer (19) and the output end of the motor (17) respectively.

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