Novel oil well pump
Technical Field
The invention relates to an oil well pump, in particular to a novel oil well pump.
Background
The oil well pump comprises a motor, an oil pipe and a rotating shaft, wherein the motor is connected with the oil pipe through a three-way pipe, the rotating shaft is arranged in the oil pipe, one end of the rotating shaft is connected to an output shaft of the motor, and the other end of the rotating shaft is connected with an impeller. The motor drives pivot and impeller rotation, makes fluid spout from the remaining export of three-way pipe, and the motor is in high-speed rotation always, and its inside heat can continuously increase, is equipped with the magnet steel in the motor, and the demagnetization that the magnet steel can be gradual under high temperature leads to output lower, and power reduces to the fluid of extraction also can be less and less, produces the energy consumption waste while still lower work efficiency.
disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a novel oil well pump which has the advantages that the oil pumping efficiency is kept unchanged, and meanwhile, the heat radiation efficiency of a motor is reduced.
In order to achieve the purpose, the invention provides the following technical scheme:
A novel oil well pump comprises an oil pipe and a Hall motor, wherein the Hall motor comprises a shell, a magnetic steel, a coil, an iron core and an output shaft which are sequentially arranged from outside to inside, the oil pipe comprises an upper section oil pipe and a lower section oil pipe, the shell is arranged in a cylindrical shape, the two ends of the shell are respectively connected with an upper end cover and a lower end cover, the two ends of the shell are respectively fixedly connected with the upper section oil pipe and the lower section oil pipe, the magnetic steel is provided with a plurality of through holes which are circumferentially and uniformly distributed on the inner wall of the shell, the coil is wound on the iron core, the iron core and the coil are externally wrapped with a mounting seat, the mounting seat is arranged in a cylindrical shape, the axis position of the mounting seat is provided with a through hole for the output shaft to pass through, a gap is reserved between the mounting seat and the magnetic steel, a through pipe is arranged in the, the plurality of through pipes are uniformly arranged in the gaps in the circumferential direction, the position of the output shaft inserted into the through hole is arranged as a cooling section, a containing cavity is arranged between the outer wall of the cooling section and the inner wall of the mounting seat, the inside of the cooling section is a hollow flow passage, the outer circumferential surface of the cooling section is provided with a plurality of diversion holes communicated with the flow passage, a separation plate is arranged at the middle position of the length of the flow passage, one end of the flow passage extends into the lower section oil pipe, the outer circumferential surface of the output shaft at the lower section oil pipe position is provided with an inlet communicated with the flow passage, the other end of the flow passage extends into the upper section oil pipe, the outer circumferential surface of the output shaft at the upper section oil pipe position is provided with an outlet communicated with the flow passage, the two ends of the cooling section are both connected with fixing rings, the fixing rings are fixedly connected with the inner, and the output shaft is fixedly connected with the lower end cover through a second sealing bearing.
The invention is further configured to: the outer wall of the upper end cover is welded with the inner wall of the shell, the inner wall of the upper end cover is welded with the outer ring of the first sealing bearing, the outer wall of the output shaft is welded with the first sealing bearing, the outer wall of the lower end cover is welded with the inner wall of the shell, the inner wall of the lower end cover is welded with the outer ring of the second sealing bearing, and the outer wall of the output shaft is welded with the second sealing bearing.
The invention is further configured to: the coaxial fixedly connected with link rod in bottom of output shaft, the impeller is installed to the other end of the relative output shaft of link rod, the one end of the relative impeller of link rod is equipped with the mounting hole, the mounting hole is coaxial with the link rod, set up the screw hole that communicates with the mounting hole on the outer periphery of link rod, the impeller includes blade and axis of rotation, the blade is equipped with a plurality ofly, and circumference evenly distributed is on the outer periphery of main shaft, the one end of the relative link rod of axis of rotation is equipped with the bulge that is used for inserting in the mounting hole, it is equipped with the connecting hole to correspond the screw hole position on the outer periphery of bulge, after the bulge inserts in the screw hole, pass screw hole and connecting hole fixed connection through the screw, the screw.
The invention is further configured to: the output shaft is fixedly connected with the link rod through a coupling.
The invention is further configured to: the inner wall of the through pipe is spiral.
through adopting above-mentioned technical scheme, the output shaft rotates and drives the impeller rotation, make the fluid in the oil pipe driven the rebound, the fluid that rises divides into two the tunnel, cross the upper segment oil pipe from the siphunculus all the way, take away the heat on the coil, another way flows to the appearance intracavity between output shaft and the mount pad through the entry on the output shaft, then flow into in the upper segment oil pipe along the reposition of redundant personnel hole from the export on the output shaft, take away the heat on the iron core, thereby make the inside heat of motor reduce, avoid the magnet steel to be demagnetized after being heated.
Drawings
FIG. 1 is a schematic view of a novel oil well pump of the present invention 1;
FIG. 2 is a schematic view of a novel pump of the present invention 2;
FIG. 3 is a schematic view of a novel pump of the present invention 3;
FIG. 4 is a schematic view of a brake apparatus according to the present invention;
FIG. 5 is a cross-sectional view A-A of FIG. 4;
Fig. 6 is a schematic view of a mount of the present invention.
In the figure: 1. an upper section of pumping pipe, 2, a lower section of pumping pipe; 3. a housing; 4. magnetic steel; 5. a coil; 6. an iron core; 7. an output shaft; 8. pipe passing; 9. an upper end cover; 10. a lower end cover; 11. an impeller; 16. a detent ball; 17. a first wedge block; 18. a first spring; 19. a slider; 20. a mounting seat; 21. a second spring; 22. and a third wedge block.
Detailed Description
An embodiment of a novel oil well pump according to the present invention is further described with reference to fig. 1 to 6.
A novel oil well pump comprises an oil pipe and a Hall motor, wherein the Hall motor comprises a shell 3, a magnetic steel 4, a coil 5, an iron core 6 and an output shaft 7 which are sequentially arranged from outside to inside, the oil pipe comprises an upper section oil pipe and a lower section oil pipe, the shell 3 is fixed between the upper section oil pipe and the lower section oil pipe, the shell 3 is arranged in a cylindrical shape and is coaxially arranged with the oil pipe, two ends of the shell are respectively connected with an upper end cover 9 and a lower end cover 10 in a sealing way, the shell 3, the lower section oil pipe and the upper section oil pipe are all made of corrosion-resistant stainless steel materials, the magnetic steel 4 is provided with a plurality of circumferential evenly distributed on the inner wall of the shell 3, the magnetic steel 4 is adhered with the shell 3 through industrial glue, the coil 5 is wound on a wire tooth of the iron core 6, three Hall elements are connected on the wire tooth of the iron core 6, the two Hall elements are distributed at intervals of, mount pad 20 sets up to be cylindrical, its axle center position is seted up and is put the through-hole that is used for supplying output shaft 7 to pass, leave the clearance between mount pad 20 and magnet steel 4, be provided with siphunculus 8 in this clearance, upper end cover 9 is passed to the one end of siphunculus 8 extends to in the upper segment oil pipe, the other end passes lower extreme cover 10 and extends to in the hypomere oil pipe, siphunculus 8 is provided with a plurality of, circumference is even respectively in the clearance, siphunculus 8 is made by ceramic material, it is corrosion-resistant and heat conduction, with heat transfer on the coil 5 to on the siphunculus 8, the inner wall of siphunculus 8 sets up to the heliciform, make fluid. The output shaft 7 is inserted into the through hole and is arranged as a cooling section, a containing cavity is arranged between the outer wall of the cooling section and the inner wall of the mounting seat 20, the cooling section is internally provided with a hollow flow channel, the outer circumferential surface of the cooling section is provided with a plurality of flow distribution holes communicated with the flow channel, a separation plate is arranged in the middle of the length of the flow channel, one end of the flow channel extends into the lower oil pipe, the outer circumferential surface of the output shaft 7 at the lower oil pipe part is provided with an inlet communicated with the flow channel, the other end of the flow channel extends into the upper oil pipe, the outer circumferential surface of the output shaft 7 at the upper oil pipe part is provided with an outlet communicated with the flow channel, two ends of the cooling section are connected with fixing rings, the fixing rings are fixedly connected with the inner wall of the mounting seat 20, the output shaft 7 is fixedly connected with the.
the output shaft 7 rotates to drive the impeller 11 to rotate, so that oil in the oil pipe is driven to move upwards, the rising oil is divided into two ways, one way flows into the upper oil pipe from the through pipe 8 in a penetrating mode, heat on the coil 5 is taken away, the other way flows into the accommodating cavity between the output shaft 7 and the mounting seat 20 through the inlet on the output shaft 7, then flows into the upper oil pipe from the outlet on the output shaft 7 along the flow distribution hole, heat on the iron core 6 is taken away, therefore, the heat inside the motor is reduced, and the magnetic steel 4 is prevented from being demagnetized after being heated.
The connection mode of the motor and the oil pipe has two implementation modes:
Example 1
The shell 3 is welded with the upper oil pipe and the lower oil pipe, the insertion pipe is arranged on the inner circumferential surface of the end part of the shell 3, the first tooth is arranged on the outer circumferential surface, the insertion groove used for inserting the insertion pipe is formed in the inner circumferential surface of the end, opposite to the shell 3, of the oil pipe, the second tooth meshed with the first tooth is arranged on the outer circumferential surface, the first tooth and the second tooth are meshed in a gap through welding and sealing, the connecting mode is simple in structure, convenient to connect, good in sealing effect, and not prone to fracture at the welding position.
Example 2
the bottom of the upper section of oil pipe is welded with the top of the lower section of oil pipe, the motor is arranged in the upper section of oil pipe, a groove is arranged on the inner wall of the upper section of oil pipe, a braking device (shown in figure 4) is arranged on a shell 3 of the motor, the braking device comprises a fixed seat, a braking ball 16, a horizontal moving mechanism and a vertical moving mechanism, the braking ball 16, the horizontal moving mechanism and the motor shell are all arranged in the fixed seat, the fixed seat is fixedly connected with the motor shell, the horizontal moving mechanism comprises a first wedge block 17, a first spring 18 and a first sliding block, the inclined plane of the first wedge block 17 is abutted against the braking ball 16, so that the braking ball 16 horizontally moves along the X-axis direction, the first wedge block 17 is fixedly connected with a sliding block 19, the first spring 18 is arranged on the first wedge block 17 and horizontally moves along the Y-axis direction, the horizontal moving mechanism is provided with two first wedges which are oppositely arranged, the vertical moving mechanism is arranged between the two second wedge blocks and comprises a second spring 21 and a third wedge block 22 used for being matched with the second wedge block, a blind hole is arranged at the bottom of the third wedge block 22, the second spring 21 is arranged in the blind hole, the moving direction of the first wedge block 17 and the moving direction of the brake ball 16 are distributed at 90 degrees, the thickness of the motor shell 3 can be effectively reduced, the cost is reduced, the motor is placed in an oil pipe, the brake ball 16 is embedded into a groove on the inner wall of the oil pipe to fixedly connect the motor and the oil pipe, when the motor is maintained, the third wedge block 22 is extruded by an auxiliary tool to enable the two slide blocks 19 to move towards opposite directions, the brake ball 16 can contract towards the inside of the mounting seat 20 without driving force and is separated from the groove, so that the effect of separating the motor from the oil pipe is achieved, and the mounting and the dismounting are convenient, the mounting seat 20 is formed by splicing two shells, and a plurality of braking devices are uniformly distributed on the outer circumferential surface of the shell 3 in the circumferential direction.
The first sealing bearing and the second sealing bearing have the same structure and are used for enabling the output shaft 7 to rotate relative to the upper end cover 9 and the lower end cover 10, the first sealing bearing comprises an outer ring and balls, the sealing piece is provided with two opposite direction two sides which are positioned on the ball, the sealing piece is arranged to prevent oil from entering the motor from the space between the inner ring and the outer ring and plays a role in sealing, the outer wall of the upper end cover 9 and the inner wall of the shell 3 are in seal welding, the inner wall of the upper end cover 9 and the outer ring of the first sealing bearing are in seal welding, the outer wall of the output shaft 7 and the first sealing bearing are in seal welding, the outer wall of the lower end cover 10 and the inner wall of the shell 3 are in seal welding, the inner wall of the lower end cover 10 and the outer ring of the second sealing bearing are in seal welding, and the outer wall of the output shaft 7 and the second sealing bearing are in seal welding. The sealing welding is not easy to corrode, the service time is long, and the connection is firm.
The bottom of the output shaft 7 is coaxially and fixedly connected with a connecting rod through a coupler, an impeller 11 is installed at the other end, opposite to the output shaft 7, of the connecting rod, a mounting hole is formed in one end, opposite to the impeller 11, of the connecting rod, the mounting hole and the connecting rod are coaxial, a threaded hole communicated with the mounting hole is formed in the outer circumferential surface of the connecting rod, the impeller 11 comprises a plurality of blades and a rotating shaft, the blades are circumferentially and uniformly distributed on the outer circumferential surface of the main shaft, a convex circle used for being inserted into the mounting hole is formed in one end, opposite to the connecting rod, of the rotating shaft, a connecting hole is formed in the outer circumferential surface of the convex circle, the convex circle is inserted into the threaded hole, then. The setting of link rod is used for lightening the weight and the length of output shaft 7, makes output shaft 7 and iron core 6 installation more convenient, and impeller 11 not only connects more firmly conveniently through above-mentioned connected mode, prevents simultaneously that impeller 11 from taking place the polarization with output shaft 7 when high-speed rotation, influencing motor's life.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.