CN204591225U - A kind of chain reversing pumping unit drive unit - Google Patents

Abstract

The utility model relates to a drive device for a chain reversing pumping unit. The technical solution is: the chain assembly is installed on the upper sprocket assembly and the lower sprocket assembly, one end of the wire rope assembly is installed on the chain link, and the other end is installed on the counterweight box assembly by bypassing two pulley assemblies ;The electric control cabinet assembly is installed next to the frame assembly, and the counterweight box assembly is installed in the pumping unit frame, and righting pulleys are installed on both sides; the top of the counterweight box assembly is provided with a tape connecting ear plate; The chain links on the chain assembly move continuously along the long circular track of the lower sprocket assembly and the upper sprocket assembly, and the chain links drive the counterweight box assembly to continuously reciprocate up and down through the steel wire rope assembly to realize reversing. The beneficial effects are: compact structure, simple mechanism; stable movement, reliable braking; no reversing of the motor, high efficiency, low noise; reliable sealing, no oil leakage, and environmental protection; Tune.

Description

A chain reversing pumping unit driving device

technical field

The utility model relates to an oil extraction mechanical drive device used in the petroleum industry, in particular to a chain reversing pumping unit drive device.

Background technique

At present, there are many types of pumping units used in oil production in oilfields, including: beam pumping units, hydraulic pumping units, chain pumping units, etc. Among them, the beam pumping unit has many parts, heavy installation workload, low efficiency, complicated equipment maintenance, high installed power, large energy consumption, large load change and short stroke. The hydraulic pumping unit has high energy consumption and low efficiency; the chain pumping unit is noisy and pollutes the environment with oil leakage; the motor forward and reverse pumping unit has a large starting current and low efficiency. It is inconvenient to manufacture, install and maintain the driving device of the pumping unit.

Contents of the invention

The purpose of this utility model is to provide a chain reversing pumping unit driving device for the above-mentioned defects in the prior art.

A chain reversing pumping unit driving device, the technical proposal of which is: including a frame assembly, a motor reducer assembly, a lower sprocket assembly, a chain assembly, an upper sprocket assembly, a wire rope assembly, and a pulley assembly assembly, counterweight box assembly, and electric control cabinet assembly, the motor reducer assembly, lower sprocket assembly, and upper sprocket assembly are installed on the frame assembly, and the upper and lower pulley assemblies are respectively installed on the At the upper and lower ends of the pumping unit frame, the chain assembly is installed on the upper sprocket assembly and the lower sprocket assembly, one end of the wire rope assembly is installed on the chain link, and the other end is installed on the On the counterweight box assembly; the electric control cabinet assembly is installed next to the frame assembly, the counterweight box assembly is installed in the pumping unit frame, and centering pulleys are installed on both sides; the top of the counterweight box assembly is equipped with a tape Connect the lug plate; through the chain link on the chain assembly, the long circular track moves continuously along the lower sprocket assembly and the upper sprocket assembly, and the chain link bypasses the two pulley assemblies through the wire rope assembly to drive the counterweight box assembly Make a continuous up and down linear reciprocating motion to realize commutation.

The above-mentioned chain link includes a wire rope connection trunnion, a socket, a groove, and a main body. One side of the main body is provided with a wire rope connection trunnion, and the lower side is provided with multiple sets of grooves. The lower part of the groove is open, and multiple sets Jacks are arranged between the grooves.

The above-mentioned frame assembly is equipped with a chain transmission airtight sealing shield, and the motor reducer assembly is equipped with a normally closed brake; the upper sprocket assembly can move up and down and be reliably locked for stroke length adjustment of the pumping unit. The structure can be increased or decreased according to the number of joints, and the airtight and sealed guard of the chain drive can be stretched and adjusted.

The above-mentioned counterweight box assembly is mainly composed of a box body, a counterweight, a steel wire rope assembly connecting lug, a tape connecting lug and a righting pulley. , The tape connects the lug plate and the centralizing pulley.

The beneficial effect of the utility model is that the oil pumping unit can be reversed by using the chain drive and the chain link to move in a long circle track. The driving device of the chain reversing pumping unit has a compact structure and a simple mechanism; the movement is stable and the braking is reliable; the motor does not reversing, so the efficiency is high and the noise is low; The stroke of the oil machine is adjustable.

Description of drawings

Accompanying drawing 1 is the structural representation of the utility model;

Accompanying drawing 2 is the connection figure of wire rope assembly of the present utility model and pulley assembly;

Accompanying drawing 3 is the connection diagram of the upper pulley assembly and adhesive tape of the utility model;

Accompanying drawing 4 is the structural diagram of the frame assembly of the present utility model;

Accompanying drawing 5 is the trajectory diagram of the chain link of the present utility model;

Accompanying drawing 6 is the side sweep track diagram of the wire rope assembly of the present utility model;

Accompanying drawing 7 is the connection schematic diagram of chain link and chain of the present utility model;

Accompanying drawing 8 is the structural diagram of the chain link of the present utility model;

Accompanying drawing 9 is the side view of the chain link of the present utility model;

In the picture above: frame assembly 1, motor reducer assembly 2, lower sprocket assembly 3, chain assembly 4, upper sprocket assembly 5, wire rope assembly 6, pulley assembly 7, counterweight box assembly 8. Electric control cabinet assembly 9, chain link 10, adhesive tape 11, wire rope connecting trunnion 10.1, jack 10.2, groove 10.3, main body 10.4.

Detailed ways

In conjunction with accompanying drawings 1-9, the utility model is further described:

A chain reversing pumping unit driving device, the technical solution of which is: including a frame assembly 1, a motor reducer assembly 2, a lower sprocket assembly 3, a chain assembly 4, an upper sprocket assembly 5, a wire rope Assembly 6, pulley assembly 7, counterweight box assembly 8, electric control cabinet assembly 9, the motor reducer assembly 2, lower sprocket assembly 3, and upper sprocket assembly 5 are installed on the frame assembly On Cheng 1, the upper and lower pulley assemblies 7 are respectively installed on the upper and lower ends of the pumping unit frame, the chain assembly 4 is installed on the upper sprocket assembly 5 and the lower sprocket assembly 3, and one end of the wire rope assembly 6 Installed on the chain link, the other end bypasses two pulley assemblies 7 and is installed on the counterweight box assembly 8; the electric control cabinet assembly 9 is installed next to the rack assembly, and the counterweight box assembly 8 is installed on the oil pumping In the machine frame, righting pulleys are installed on both sides; the top of the counterweight box assembly 8 is provided with tape connecting ear plates; through the chain links on the chain assembly 4, the lower sprocket assembly 3 and upper sprocket 5 makes a continuous circular movement on a long circular track, and the chain link passes the wire rope assembly 6 around the two pulley assemblies 7 to drive the counterweight box assembly 8 to perform continuous up and down linear reciprocating motions to realize commutation.

Referring to accompanying drawings 7-9, the chain link includes a wire rope connecting trunnion 10.1, a socket 10.2, a groove 10.3, and a main body 10.4. One side of the main body 10.4 is provided with a wire rope connecting trunnion 10.1, and the lower side is provided with multiple sets of Groove 10.3, the lower part of the groove 10.3 is open, there are sockets 10.2 between multiple groups of grooves 10.3, and its functions include: (1) as a section of the whole chain to make the chain form a closed loop; (2) with wire rope connecting ears The shaft serves as the connecting device for the drive wire rope.

The above-mentioned frame assembly 1 is equipped with a chain transmission airtight sealing shield, and the motor reducer assembly 2 is equipped with a normally closed brake; the upper sprocket assembly 5 can move up and down and be reliably locked for adjusting the stroke length of the pumping unit , The chain assembly 4 can be increased or decreased according to the number of joints, and the chain transmission airtight sealing shield is scalable and adjustable.

The above-mentioned counterweight box assembly 8 is mainly composed of a box body, a counterweight, a steel wire rope assembly 6 connecting lugs, a tape connecting lugs and a righting pulley. Connecting lugs, tape connecting lugs and centralizing pulleys.

The use method of the chain reversing pumping unit driving device mentioned in the utility model comprises the following steps:

(a) The driving device of the chain reversing pumping unit is assembled on the pumping unit. When the system is not started, the counterweight box assembly 8 is located at the bottom of the stroke under the action of gravity; after the system is started, the output power of the motor reducer assembly 2 passes through The lower sprocket assembly 3 and the upper sprocket assembly 5 rotate continuously in one direction, and the lower sprocket assembly 3 drives the chain assembly 4 to move in a long circle around the lower sprocket assembly 3 and the upper sprocket assembly 5; the chain The chain link on the assembly is connected with one end of the two steel wire rope assemblies 6 and drives the steel wire rope ends to reciprocate up and down; the other end of the two steel wire rope assemblies 6 bypasses the two pulley assemblies 7 and the counterweight box assembly 8 Connect and drive the counterweight box to make up and down reciprocating linear circular motion; the top of the counterweight box assembly 8 is provided with a tape to connect the ear plate, and the tape bypasses the top roller of the pumping unit to drive the rod column of the pumping system to perform up and down reciprocating linear circular motion, and the rod column drives The plunger of the downhole oil well pump moves up and down in a reciprocating linear cycle to realize the suction and discharge of the oil pumping system;

(b) Cut off the power supply, stop the power output of the motor reducer, brake reliably, and all up and down reciprocating parts will stop at the immediate position quickly, and will not move without human operation; the chain drive airtight and sealed shield is installed on the frame to ensure The chain is lubricated and sealed without oil leakage; the upper sprocket assembly 5 can move up and down and be reliably locked, and is used for adjusting the stroke length of the pumping unit.

The beneficial effect of the utility model is that the oil pumping unit can be reversed by using the chain drive and the chain link to move in a long circle track. The driving device of the chain reversing pumping unit has a compact structure and a simple mechanism; the movement is stable and the braking is reliable; the motor does not reversing, so the efficiency is high and the noise is low; The stroke of the oil machine is adjustable.

Wire rope assembly 6 and pulley assembly 7 can be replaced with adhesive tape assembly and drum assembly; Also can be replaced with chain and sprocket wheel, and function is identical.

The chain reversing pumping unit driving device can be manufactured and sold independently; it can be provided to different tower pumping units and pumping unit manufacturers.

It should be noted that: the wire rope assembly 6 and the pulley assembly 7 can be replaced by an adhesive tape assembly and a drum assembly; they can also be replaced by a chain and a sprocket, with the same function. The sprocket chain transmission system is integrated into an independent module, fully sealed and lubricated; the upper and lower pulley assemblies 7 can be flexibly arranged according to the design of the pumping unit. The motion plane of the chain reversing pumping unit driving device can be arranged perpendicular to the drum shaft, or arranged in parallel.

The utility model can be widely used in the production and manufacture of tower pumping units. The output power of the motor reducer drives the lower sprocket, chain, and upper sprocket through the chain transmission pair (or belt transmission pair); the lower sprocket is the driving wheel, the upper sprocket is the passive wheel, and the lower sprocket drives the upper sprocket through the chain Rotation; the upper sprocket plays a supporting role, and the chain moves continuously between the upper and lower sprockets. There is a chain link on the chain, which participates in the chain movement as a section of the chain. plate or double ear plate) is used to connect the driving wire rope (or tape or chain, etc.); the driving wire rope goes around the upper and lower pulleys to connect with the counterweight box; the counterweight box goes around the top drum of the pumping unit (or Pulleys, sprockets, etc.) are connected to the pumping system rod. The output power of the motor reducer drives the lower sprocket to rotate continuously through the chain transmission pair. The lower sprocket drives the chain to move around the upper and lower sprockets. The weight box makes up and down reciprocating linear motion, and the counterweight box drives the rod column of the pumping system to make up and down reciprocating linear motion through the belt around the top roller of the pumping unit, and the rod column drives the plunger of the downhole oil pump to reciprocate up and down to realize the suction and discharge of the pumping system .

Claims (4)

1. A chain reversing pumping unit driving device, characterized in that it includes a frame assembly (1), a motor reducer assembly (2), a lower sprocket assembly (3), and a chain assembly (4) , upper sprocket assembly (5), wire rope assembly (6), pulley assembly (7), counterweight box assembly (8), electric control cabinet assembly (9), the motor reducer assembly ( 2), the lower sprocket assembly (3) and the upper sprocket assembly (5) are installed on the frame assembly (1), and the upper and lower pulley assemblies (7) are respectively installed on the upper and lower sides of the pumping unit frame At both ends, the chain assembly (4) is installed on the upper sprocket assembly (5) and the lower sprocket assembly (3), one end of the wire rope assembly (6) is installed on the chain link (10), and the other end is wound The two pulley assemblies (7) are installed on the counterweight box assembly (8); the electric control cabinet assembly (9) is installed next to the frame assembly, and the counterweight box assembly (8) is installed on the pumping unit In the frame, righting pulleys are installed on both sides; the top of the counterweight box assembly (8) is provided with tape connecting lugs; The sprocket assembly (5) moves continuously in a long circular track, and the chain link passes the wire rope assembly (6) around the two pulley assemblies (7) to drive the counterweight box assembly (8) to perform continuous up and down linear reciprocating motions, realizing change direction. 2. The chain reversing pumping unit driving device according to claim 1, characterized in that: the chain link includes a wire rope connecting trunnion (10.1), a socket (10.2), a groove (10.3), a main body (10.4), one side of the main body (10.4) is provided with a wire rope connecting trunnion (10.1), the lower side is provided with multiple sets of grooves (10.3), the lower part of the groove (10.3) is open, multiple sets of grooves ( 10.3) is provided with a jack (10.2). 3. The chain reversing pumping unit driving device according to claim 1, characterized in that: the chain drive airtight and sealed shield is installed on the frame assembly (1), and the motor reducer assembly ( 2) With a normally closed brake; the upper sprocket assembly (5) can move up and down and be reliably locked to adjust the stroke length of the pumping unit; the chain assembly (4) can be increased or decreased according to the number of links; Telescopic adjustment. 4. The chain reversing pumping unit driving device according to claim 1, characterized in that: the counterweight box assembly (8) is mainly composed of a box body, a counterweight block, and a wire rope assembly (6) to connect the lugs , Tape connecting lugs and righting pulleys, the box is equipped with counterweights, and the outside of the box is equipped with wire rope assembly (6) connecting lugs, tape connecting lugs and righting pulleys.