CN111577219A - Counter weight guide type double-horsehead oil pumping unit - Google Patents

Counter weight guide type double-horsehead oil pumping unit Download PDF

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Publication number
CN111577219A
CN111577219A CN202010305234.2A CN202010305234A CN111577219A CN 111577219 A CN111577219 A CN 111577219A CN 202010305234 A CN202010305234 A CN 202010305234A CN 111577219 A CN111577219 A CN 111577219A
Authority
CN
China
Prior art keywords
brake
pumping unit
wheel
horsehead
guide rail
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010305234.2A
Other languages
Chinese (zh)
Inventor
李绍奇
朱加强
马述俭
王宇驰
董宏宇
毛玉林
袁金雷
胡子龙
吕亚东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
XINJIANG UYGUR AUTONOMOUS REGION NO 3 MACHINE TOOL WORKS
Original Assignee
XINJIANG UYGUR AUTONOMOUS REGION NO 3 MACHINE TOOL WORKS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by XINJIANG UYGUR AUTONOMOUS REGION NO 3 MACHINE TOOL WORKS filed Critical XINJIANG UYGUR AUTONOMOUS REGION NO 3 MACHINE TOOL WORKS
Priority to CN202010305234.2A priority Critical patent/CN111577219A/en
Publication of CN111577219A publication Critical patent/CN111577219A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/12Methods or apparatus for controlling the flow of the obtained fluid to or in wells
    • E21B43/121Lifting well fluids
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B17/00Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • F04B17/03Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B47/00Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps
    • F04B47/02Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps the driving mechanisms being situated at ground level
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B47/00Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps
    • F04B47/14Counterbalancing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00Parts or details
    • F16D65/14Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
    • F16D65/16Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake
    • F16D65/18Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for drawing members together, e.g. for disc brakes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H21/00Gearings comprising primarily only links or levers, with or without slides
    • F16H21/10Gearings comprising primarily only links or levers, with or without slides all movement being in, or parallel to, a single plane
    • F16H21/16Gearings comprising primarily only links or levers, with or without slides all movement being in, or parallel to, a single plane for interconverting rotary motion and reciprocating motion
    • F16H21/18Crank gearings; Eccentric gearings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2121/00Type of actuator operation force
    • F16D2121/14Mechanical
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2121/00Type of actuator operation force
    • F16D2121/18Electric or magnetic
    • F16D2121/20Electric or magnetic using electromagnets

Abstract

The invention relates to the technical field of pumping units, in particular to a counterweight guide type double-horsehead pumping unit which comprises a rack, a transmission device, a connecting rod mechanism, a left horsehead, a right horsehead, a rope hanger, a walking beam and a counterweight guide device, wherein the transmission device is arranged at the left part of the rack, and the upper side of the rack is hinged with the lower side of the middle part of the walking beam. The invention has reasonable structure and ingenious design, and by arranging the front guide rail, the rear guide rail, the front guide wheel, the rear guide wheel and the guide rail bracket, the conditions of swinging and rotation caused by manufacturing and mounting errors and wind factors can be avoided in the operation process of the pumping unit, the service life of the counterweight steel wire rope can be prolonged, the stable safety of the pumping unit can also be improved, when the stroke is adjusted, the upper end of the supporting rod is fixedly arranged with the supporting seat, so that the walking beam is fixed with the frame, the auxiliary operation of a crane is saved, the maintenance cost is reduced, and the leveling bolt and the bracket are convenient for adjusting the counterweight and reducing the potential safety hazard.

Description

Counter weight guide type double-horsehead oil pumping unit
Technical Field
The invention relates to the technical field of pumping units, in particular to a counterweight guide type double-horsehead pumping unit.
Background
The counter weight of the existing double-horsehead pumping unit can cause the pumping unit to manufacture installation errors and wind power factors during pumping, and the problems of swinging and rotation occur, so that the service life of a counter weight steel wire rope is shortened, certain influence also exists on the stability and safety of the pumping unit, and meanwhile, during the operation process of the pumping unit, the problems of suspension point load loss and broken and lost of the counter weight steel wire rope are inevitable, and when the faults occur, the safety brake has important significance for protecting pumping equipment, so that the load loss protection device is added, when in maintenance, a crane is required to assist in fixing the walking beam, and the maintenance cost is increased.
Disclosure of Invention
The invention provides a counterweight guide type double-horsehead oil pumping unit, which overcomes the defects of the prior art and can effectively solve the problems of swinging and rotation of a counterweight box in the movement, poor safety and inconvenience in maintenance of the conventional oil pumping unit in the operation process.
The technical scheme of the invention is realized by the following measures: a counter weight guide type double-horsehead oil pumping unit comprises a frame, a transmission device, a link mechanism, a left horsehead, a right horsehead, a rope hanger, a walking beam and a counter weight guide device, wherein the transmission device is installed at the left part of the frame, the upper side of the frame is hinged and installed with the lower side of the middle part of the walking beam, the lower side of the left part of the walking beam is connected with the transmission device through the link mechanism, the right end of the walking beam corresponding to the right position of the frame is fixedly provided with the right horsehead, the lower side of the right horsehead is provided with the rope hanger, the rope hanger is connected with the right side of the right horsehead through a right steel wire rope, the lower side of the right part of the walking beam corresponding to the left position of the right horsehead is fixedly provided with a supporting rod, the upper end of the supporting rod can be fixedly installed with the supporting rod together with the supporting rod, the left, The rear guide rail, the front guide wheel, the rear guide wheel, wheel carrier and guide rail bracket, the frame left side that corresponds left horse head below position is equipped with the counter weight, counter weight middle part upside is connected through left wire rope with left horse head left side, the counter weight below is equipped with the bracket, the bracket downside is installed at least three leveling bolt along circumference interval distribution, counter weight left side fixed mounting has guide rail bracket, interval fixed mounting has vertical setting and the cross-section all is circular front guide rail and rear guide rail around the guide rail bracket right side, counter weight left side fixed mounting has the wheel carrier, the wheel carrier front side is installed the front guide wheel, front guide wheel middle part is equipped with the V font annular, the anterior outside of front guide rail supports at V font annular rear portion inboard, the wheel carrier rear side is installed the rear guide wheel, the rear guide wheel middle part is equipped with the V font annular, the.
The following is further optimization or/and improvement of the technical scheme of the invention:
the transmission device can comprise a base, a driving motor, a motor base, an adjusting screw rod and a speed reducer, wherein the lower side of the frame is fixedly installed with the upper side of the right part of the base, the upper side of the right part of the base corresponding to the front side position of the frame is hinged with the lower side of the middle part of the motor base, the right end of the upper part of the motor base is hinged with the left end of the adjusting screw rod which is inclined in a left-high and right-low shape, the right end of the adjusting screw rod is hinged with the corresponding position of the upper side of the base, the driving motor is fixedly installed on the upper side of the motor base, the driving shaft is arranged on the front side of the driving motor, the speed reducer is fixedly installed on the upper side of the left part of the base corresponding to the left side position of the motor base, the input shaft with two ends respectively positioned on the front, the output shaft is connected with the lower side of the left part of the walking beam through a connecting rod mechanism.
The connecting rod mechanism can comprise a crank, a connecting rod beam, an upper hinge seat and a lower hinge seat, the crank is fixedly installed on the output shaft, the left end of the crank is hinged and installed with the lower end of the connecting rod beam, the upper end of the connecting rod beam is fixedly installed with the lower side of the lower hinge seat, the upper hinge seat is fixedly installed on the lower side of the left portion of the walking beam corresponding to the position of the lower hinge seat, and the lower portion of the upper hinge seat is hinged and installed with the upper portion of the lower hinge seat.
The rear part of the input shaft corresponding to the rear position of the speed reducer can be provided with a brake device, the brake device comprises a brake wheel, a brake drum, a brake pull rod, a brake handle, a manual brake device, an electric brake pull rod, an actuating mechanism and a control module, the outer side of the rear end of the input shaft is fixedly provided with the brake wheel, the outer side of the input shaft corresponding to the position between the brake wheel and the speed reducer is provided with the brake drum matched with the brake wheel, the brake drum is provided with the brake pull rod capable of driving the brake drum to lock the input shaft by swinging downwards, the left end of the brake pull rod is fixedly provided with the brake handle, the brake handle is provided with a left long round hole and a right long round hole which are communicated from front to back and are vertically arranged at intervals, a left slide block which can move upwards and downwards is arranged in the left long hole, the front end and the rear end of the left slide block are respectively positioned at the front side and the, the actuating mechanism is electrically connected with a control module which can monitor the rotating speed of the brake wheel and can enable the actuating mechanism to act, a right sliding block which can move up and down on the inner side of the right long circular hole and the front end and the rear end of which are respectively positioned on the front side and the rear side of the brake handle is arranged in the right long circular hole, and the front side of the right sliding block is arranged together with the upper end of the manual brake device.
The actuating mechanism can comprise an armature, a reset spring, a force limiter and an electromagnet, the lower end of an electric brake pull rod is fixedly installed with the upper end of the force limiter, the electromagnet is fixedly installed below the force limiter, the armature matched with the electromagnet is arranged in the electromagnet, the upper end of the armature is fixedly installed with the lower end of the force limiter, the reset spring with the upper end fixedly installed with the lower end of the force limiter is sleeved on the outer side of the armature, the lower end of the reset spring is fixedly installed with the upper end of the electromagnet, and the signal input end of the electromagnet is electrically connected with the signal output end of a control module which can enable the electromagnet to be electrified and enable the driving.
The control module can comprise a speed measurer and a counter, at least two rim grooves used for counting are arranged on the outer side of the brake wheel along the circumference, the speed measurer facing the rim grooves is fixedly mounted on the outer side of the brake wheel, the signal output end of the speed measurer is electrically connected with the signal input end of the counter and the signal input end of the driving motor respectively, and the signal output end of the counter is electrically connected with the signal input end of the electromagnet.
The upper side of the base corresponding to the position below the manual brake device can be fixedly provided with an inductive switch capable of detecting whether the base is in a braking or non-braking state, and the output end of the inductive switch is electrically connected with the input end of the counter.
The outside of the transmission device and the outside of the balance weight can be provided with guardrails.
The invention has reasonable structure and ingenious design, and by arranging the front guide rail, the rear guide rail, the front guide wheel, the rear guide wheel and the guide rail bracket, the conditions of swinging and rotation caused by manufacturing and mounting errors and wind factors can be avoided in the operation process of the pumping unit, the service life of the counterweight steel wire rope can be prolonged, the stable safety of the pumping unit can also be improved, when the stroke is adjusted, the upper end of the supporting rod is fixedly arranged with the supporting seat, so that the walking beam is fixed with the frame, the auxiliary operation of a crane is saved, the maintenance cost is reduced, and the leveling bolt and the bracket are convenient for adjusting the counterweight and reducing the potential safety hazard.
Drawings
FIG. 1 is a schematic front view of the present invention.
Fig. 2 is a partially enlarged schematic structural view of the brake apparatus shown in fig. 1.
Fig. 3 is a partially enlarged top view of fig. 1.
Fig. 4 is a block diagram of the circuit configuration of fig. 1.
The codes in the figures are respectively: 1 is a frame, 2 is a walking beam, 3 is a right horse head, 4 is a rope hanger, 5 is a right steel wire rope, 6 is a left horse head, 7 is a balance weight, 8 is a front guide rail, 9 is a rear guide rail, 10 is a front guide wheel, 11 is a rear guide wheel, 12 is a wheel carrier, 13 is a left steel wire rope, 14 is a base, 15 is a driving motor, 16 is a motor base, 17 is an adjusting screw rod, 18 is a speed reducer, 19 is an output shaft, 20 is an input shaft, 21 is a crank, 22 is a connecting rod beam, 23 is an upper hinged base, 24 is a lower hinged base, 25 is a brake wheel, 26 is a leveling bolt, 27 is a brake pull rod, 28 is a brake handle, 29 is a manual brake device, 30 is an electric brake pull rod, 31 is a guide rail bracket, 32 is a left slide block, 33 is a right slide block, 34 is an armature, 35 is a return spring, 36 is a force limiter, 27 is an electromagnet, 38 is a speedometer, 39 is a counter, 40 is a rim groove, 41, 42 is a supporting seat, 43 is a supporting rod, 44 is a guardrail, and 45 is a bracket.
Detailed Description
The present invention is not limited by the following examples, and specific embodiments may be determined according to the technical solutions and practical situations of the present invention.
In the present invention, for convenience of description, the description of the relative positional relationship of the components is described according to the layout pattern of fig. 1 of the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of the drawings of the specification.
The invention is further described with reference to the following examples and figures:
as shown in attached figures 1, 2, 3 and 4, the counterweight-guiding double-horsehead pumping unit comprises a frame 1, a transmission device, a link mechanism, a left horsehead 6, a right horsehead 3, a rope hanger 4, a walking beam 2 and a counterweight guiding device, wherein the transmission device is installed at the left part of the frame 1, the upper side of the frame 1 is hinged and installed with the lower side of the middle part of the walking beam 2, the lower side of the left part of the walking beam 2 is connected with the transmission device through the link mechanism, the right horsehead 3 is fixedly installed at the right end of the walking beam 2 corresponding to the right position of the frame 1, the rope hanger 4 is arranged below the right horsehead 3, the rope hanger 4 is connected with the right side of the right horsehead 3 through a right steel wire rope 5, a supporting seat 42 is fixedly installed at the lower side of the right part of the walking beam 2 corresponding to the left position of the right horsehead 3, a supporting rod 43, the upper end of which can be fixedly installed, a counterweight guide device is arranged below the left horse head 6, the counterweight guide device comprises a counterweight 7, a front guide rail 8, a rear guide rail 9, a front guide wheel 10, a rear guide wheel 11, a wheel carrier 12 and a guide rail bracket 31, the left side of the frame 1 corresponding to the lower position of the left horse head 6 is provided with the counterweight 7, the upper side of the middle part of the counterweight 7 is connected with the left side of the left horse head 6 through a left steel wire rope 13, a bracket 45 is arranged below the counterweight 7, the lower side of the bracket 45 is provided with at least three leveling bolts 26 distributed at intervals along the circumference, the left side of the counterweight 7 is fixedly provided with the guide rail bracket 31, the front side and the rear side of the right side of the guide rail bracket 31 are fixedly provided with the front guide rail 8 and the rear guide rail 9 which are vertically arranged and have round sections at intervals, the left side of the counterweight 7 is fixedly provided with the wheel, the rear side of the wheel frame 12 is provided with a rear guide wheel 11, the middle part of the rear guide wheel 11 is provided with a V-shaped annular groove, and the outer side of the rear part of the rear guide rail 9 is propped against the inner side of the front part of the V-shaped annular groove.
According to the requirement, the left horse head 6 is a counterweight horse head, a counterweight is arranged in the cavity of the left horse head 6, an offset balance block is fixed at the lower part, the counterweight is arranged in the offset balance block, a counterweight box is adopted as the counterweight 7, a partition plate is fixed in the counterweight box and divides the counterweight box into a fixed counterweight cavity and a movable counterweight cavity from bottom to top, the fixed counterweight is arranged in the fixed counterweight cavity, a slide way and a pull-out movable counterweight are arranged in the movable counterweight cavity, a safety blocking pipe capable of blocking the fixed counterweight and the movable counterweight is arranged on the counterweight box, and the leveling bolt 26 is the prior known technology, such as an earth anchor. In the use, through setting up front rail 8, back guide rail 9, preceding leading wheel 10, back leading wheel 11 and rail brackets 31, the condition of swing and rotation can be avoided appearing because of manufacturing installation error and wind-force factor to the beam-pumping unit in the operation process, can prolong the life of counter weight 7 wire rope, also can improve the stable security of beam-pumping unit. When the pumping unit operates, counter weight 7 and left horse head 6 combined action, balanced suspension point load, reduce link mechanism atress, reduce 18 peak value moments of torsion of reduction gear, it is balanced convenient to transfer the pumping unit, can keep higher balancing rate, through setting up bracing piece 43 and supporting seat 42, when adjusting the stroke, with bracing piece 43 upper end and supporting seat 42 fixed mounting together, make walking beam 2 and frame 1 fixed together, save crane auxiliary operation, reduce the maintenance cost, through setting up leveling bolt 26 and bracket 45, be convenient for adjust counter weight 7 and reduce the potential safety hazard.
The counterweight guide type double-horsehead pumping unit can be further optimized or/and improved according to actual requirements:
as shown in figure 1, the transmission device comprises a base 14, a driving motor 15, a motor base 16, an adjusting screw 17 and a reducer 18, wherein the lower side of the frame 1 is fixedly installed with the upper side of the right part of the base 14, the upper side of the right part of the base 14 corresponding to the position of the front side of the frame 1 is hinged with the lower side of the middle part of the motor base 16, the right end of the upper part of the motor base 16 is hinged with the left end of the adjusting screw 17 inclined in a left-high and right-low shape, the right end of the adjusting screw 17 is hinged with the corresponding position of the upper side of the base 14, the driving motor 15 is fixedly installed on the upper side of the motor base 16, the reducer 18 is fixedly installed on the upper side of the left part of the base 14 corresponding to the position of the left side of the motor base 16, an input shaft 20 with two ends positioned at the front and back sides of the reducer, an output shaft 19 with two ends respectively positioned at the front side and the rear side of the reducer 18 is arranged at the left part of the reducer 18, and the front end of the output shaft 19 is connected with the lower side of the left part of the walking beam 2 through a link mechanism.
The adjusting screw 17 is a well-known screw in the art, such as a U-shaped American-style turnbuckle or a European-style closed turnbuckle. In the use process, through the arrangement, the time for adjusting the number of times of punching and replacing the belt can be reduced, four-point one-line adjustment is omitted, and the operability is strong.
As shown in fig. 1, the link mechanism includes a crank 21, a connecting rod beam 22, an upper hinge seat 23 and a lower hinge seat 24, the crank 21 is fixedly installed on the output shaft 19, the left end of the crank 21 is hinged to the lower end of the connecting rod beam 22, the upper end of the connecting rod beam 22 is fixed to the lower side of the lower hinge seat 24, the upper hinge seat 23 is fixedly installed on the lower side of the left portion of the walking beam 2 corresponding to the position of the lower hinge seat 24, and the lower portion of the upper hinge seat 23 is hinged to the upper portion of the lower hinge seat 24.
With this arrangement, during use, the rotational motion of the drive motor 15 can be converted into the reciprocating motion of the rope hanger 4 and the counterweight 7 through the link mechanism.
As shown in fig. 1, 2 and 4, a brake device is arranged at the rear part of the input shaft 20 corresponding to the rear side of the speed reducer 18, the brake device comprises a brake wheel 25, a brake drum, a brake pull rod 27, a brake handle 28, a manual brake device 29, an electric brake pull rod 30, an actuating mechanism and a control module, the brake wheel 25 is fixedly arranged at the outer side of the rear end of the input shaft 20, a brake drum matched with the brake wheel 25 is arranged at the outer side of the input shaft 20 corresponding to the position between the brake wheel 25 and the speed reducer 18, the brake pull rod 27 capable of driving the brake drum to lock the input shaft 20 by swinging downwards is arranged on the brake drum, the brake handle 28 is fixedly arranged at the left end of the brake pull rod 27, a left long circular hole and a right long circular hole which are arranged vertically and are arranged in the left and right directions at intervals, a left slide block 32 which can move upwards and downwards, the front side of the left sliding block 32 is installed together with the upper end of the electric brake pull rod 30, the lower end of the electric brake pull rod 30 is fixedly provided with an actuating mechanism which can drive the brake handle 28 to stop the pumping unit, the actuating mechanism is electrically connected with a control module which can monitor the rotating speed of the brake wheel 25 and can enable the actuating mechanism to act, a right sliding block 33 which can move up and down on the inner side of the right long circular hole and is respectively arranged on the front side and the rear side of the brake handle 28 is arranged in the right long circular hole, and the front side of the right sliding block 33 is installed together with the upper end of.
In the use, through setting up left slotted hole and right slotted hole, can realize the brake purpose that manual brake and electric brake do not influence each other, both satisfied the brake needs when normal work, also satisfied the automatically controlled brake guard action when taking place the hanging point and lose the year accident, simple structure is reliable, and application scope is wide.
As shown in fig. 1, 2 and 4, the actuator includes an armature 34, a return spring 35, a force limiter 36 and an electromagnet 37, the lower end of the electric brake rod 30 is fixedly mounted with the upper end of the force limiter 36, the electromagnet 37 is fixedly mounted below the force limiter 36, the armature 34 matched with the electromagnet 37 is arranged in the electromagnet 37, the upper end of the armature 34 is fixedly mounted with the lower end of the force limiter 36, the return spring 35 with the upper end fixedly mounted with the lower end of the force limiter 36 is sleeved outside the armature 34, the lower end of the return spring 35 is fixedly mounted with the upper end of the electromagnet 37, and the signal input end of the electromagnet 37 is electrically connected with the signal output end of the control module which can electrify the electromagnet and can cut off the power of the driving.
The return spring 35 is a prior art spring such as a compression spring and the force limiter 36 is a prior art tension limiter such as model VM105-320, as desired. In the using process, under the normal working state of the oil pumping unit, the armature 34 is separated from the electromagnet 37 under the action of the return spring 35, and under the condition that the oil pumping unit is unloaded and is in an overspeed state, the control module enables the electromagnet 37 to be electrified, the electromagnet 37 drives the armature 34 and the force limiter 36 to move downwards, and finally the electric brake pull rod drives the brake handle 28 to act, so that the electric brake is realized.
As shown in fig. 1, 2 and 4, the control module includes a speed detector 38 and a counter 39, at least two rim recesses 40 for counting are circumferentially disposed on the outer side of the brake wheel 25, the speed detector 38 facing the rim recesses 40 is fixedly mounted on the outer side of the brake wheel 25, signal output ends of the speed detector 38 are electrically connected to a signal input end of the counter 39 and a signal input end of the driving motor 15, respectively, and a signal output end of the counter 39 is electrically connected to a signal input end of the electromagnet 37.
The tachometer 38 and counter 39 are known in the art, such as an intelligent counter 39 model SF9648J, as required. In the use process, through the arrangement, the running state of the pumping unit can be detected in real time, and if the rotating speed of the brake wheel 25 is too high, the velometer 38 and the counter 39 can cut off the power supply of the motor of the pumping unit, so that the pumping unit is protected conveniently.
As shown in fig. 1, 2 and 4, an inductive switch 41 capable of detecting whether the hand brake device 29 is in a braking or non-braking state is fixedly mounted on the upper side of the base 14 corresponding to the position below the hand brake device, and the output end of the inductive switch 41 is electrically connected with the input end of the counter 39.
The inductive switch 41 is a known switch, such as a delaunay travel switch model number LXK3-20H/T, as required. In the use process, through the arrangement, the pumping unit can be ensured to be locked in a stop state, and the safety of the pumping unit in the maintenance process is improved.
As shown in fig. 1, guard rails 44 are installed on the outside of the transmission and the outside of the counterweight 7.
In the use, through such setting, can reduce the risk that beam-pumping unit injures staff at the operation in-process.
The technical characteristics form an embodiment of the invention, which has strong adaptability and implementation effect, and unnecessary technical characteristics can be increased or decreased according to actual needs to meet the requirements of different situations.

Claims (9)

1. A counter weight guide type double-horsehead oil pumping unit is characterized by comprising a rack, a transmission device, a connecting rod mechanism, a left horsehead, a right horsehead, a rope hanger, a walking beam and a counter weight guide device, wherein the transmission device is installed at the left part of the rack, the upper side of the rack is hinged and installed with the lower side of the middle part of the walking beam, the lower side of the left part of the walking beam is connected with the transmission device through the connecting rod mechanism, the right end of the walking beam corresponding to the right position of the rack is fixedly provided with the right horsehead, the lower side of the right horsehead is provided with the rope hanger, the rope hanger is connected with the right side of the right horsehead through a right steel wire rope, the lower side of the right part of the walking beam corresponding to the left position of the right horsehead is fixedly provided with a supporting seat, the upper end of the supporting rod capable of being fixedly installed with the supporting seat is hinged, The front guide rail, the rear guide rail, the front guide wheel, the rear guide wheel, wheel carrier and guide rail bracket, the frame left side that corresponds left horse head below position is equipped with the counter weight, counter weight middle part upside is connected through left wire rope with left horse head left side, the counter weight below is equipped with the bracket, the bracket downside is installed at least three leveling bolt along circumference interval distribution, counter weight left side fixed mounting has guide rail bracket, guide rail bracket right side front and back interval fixed mounting has vertical setting and the cross-section all is circular front guide rail and rear guide rail, counter weight left side fixed mounting has the wheel carrier, the wheel carrier front side is installed the front guide wheel, front guide wheel middle part is equipped with V font annular, the anterior outside of front guide rail supports at V font annular rear portion inboard, the wheel carrier rear side is installed the rear guide wheel, rear guide wheel middle part is equipped with V font annular, the.
2. The pumping unit of claim 1, wherein the transmission comprises a base, a driving motor, a motor base, an adjusting screw, and a reducer, the lower side of the frame is fixedly mounted to the upper side of the right portion of the base, the upper side of the right portion of the base corresponding to the front side of the frame is hinged to the lower side of the middle portion of the motor base, the right end of the upper portion of the motor base is hinged to the left end of the adjusting screw, the right end of the adjusting screw is hinged to the corresponding position of the upper portion of the base, the driving motor is fixedly mounted to the upper side of the motor base, the reducer is fixedly mounted to the upper side of the left portion of the base corresponding to the left side of the motor base, the input shaft is mounted to the right portion of the reducer, the two ends of the input shaft are respectively located at the front and rear sides of the reducer, and the front end of the input shaft, the left part of the speed reducer is provided with an output shaft, two ends of the output shaft are respectively positioned on the front side and the rear side of the speed reducer, and the output shaft is connected with the lower side of the left part of the walking beam through a connecting rod mechanism.
3. The pumping unit of claim 2, wherein the linkage mechanism comprises a crank, a linkage beam, an upper hinge seat and a lower hinge seat, the crank is fixedly mounted on the output shaft, the left end of the crank is hinged to the lower end of the linkage beam, the upper end of the linkage beam is fixedly mounted to the lower side of the lower hinge seat, the upper hinge seat is fixedly mounted to the lower side of the left portion of the walking beam corresponding to the lower hinge seat, and the lower portion of the upper hinge seat is hinged to the upper portion of the lower hinge seat.
4. The counter weight guide type double-horse-head oil pumping unit according to claim 2 or 3, characterized in that a brake device is arranged at the rear part of the input shaft corresponding to the rear position of the speed reducer, the brake device comprises a brake wheel, a brake drum, a brake pull rod, a brake handle, a manual brake device, an electric brake pull rod, an actuating mechanism and a control module, the brake wheel is fixedly arranged at the outer side of the rear end of the input shaft, the brake drum matched with the brake wheel is arranged at the outer side of the input shaft corresponding to the position between the brake wheel and the speed reducer, the brake pull rod capable of driving the brake drum to lock the input shaft by swinging downwards is arranged on the brake drum, the brake handle is fixedly arranged at the left end of the brake pull rod, a left long circular hole and a right long circular hole which are vertically arranged are arranged in a front-back manner and are arranged at a left interval on the left long circular, the front side of the left sliding block is mounted with the upper end of an electric brake pull rod, an actuating mechanism capable of driving a brake handle to stop the pumping unit is fixedly mounted at the lower end of the electric brake pull rod, the actuating mechanism is electrically connected with a control module capable of monitoring the rotating speed of a brake wheel and enabling the actuating mechanism to act, a right sliding block capable of moving up and down on the inner side of the right long circular hole and having front and rear ends respectively located on the front and rear sides of the brake handle is arranged in the right long circular hole, and the front side of the right sliding block is mounted with the upper end.
5. The counterweight-guiding dual-horse-head pumping unit according to claim 4, wherein the actuator comprises an armature, a return spring, a force limiter and an electromagnet, the lower end of the electric brake pull rod is fixedly mounted with the upper end of the force limiter, the electromagnet is fixedly mounted below the force limiter, the armature matched with the electromagnet is arranged in the electromagnet, the upper end of the armature is fixedly mounted with the lower end of the force limiter, the return spring with the upper end fixedly mounted with the lower end of the force limiter is sleeved outside the armature, the lower end of the return spring is fixedly mounted with the upper end of the electromagnet, and the signal input end of the electromagnet is electrically connected with the signal output end of the control module which can electrify the electromagnet and can cut off the power of the driving motor.
6. The pumping unit as claimed in claim 5, wherein the control module comprises a speed meter and a counter, the brake wheel is provided with at least two rim recesses along the circumference, the speed meter is fixed on the outer side of the brake wheel and faces the rim recesses, the signal output end of the speed meter is electrically connected to the signal input end of the counter and the signal input end of the driving motor, respectively, and the signal output end of the counter is electrically connected to the signal input end of the electromagnet.
7. The pumping unit of claim 6, wherein an inductive switch is fixedly mounted on the upper side of the base corresponding to the lower position of the hand brake device and capable of detecting whether the pumping unit is in a braked or non-braked state, and the output end of the inductive switch is electrically connected to the input end of the counter.
8. The pumping unit of claim 1, 2, 3, 5, 6 or 7, wherein guard rails are installed on the outer side of the transmission device and the outer side of the counterweight.
9. The weight-guided dual horse head pumping unit of claim 4, wherein guard rails are installed on the outside of the transmission and the outside of the weight.
CN202010305234.2A 2020-04-17 2020-04-17 Counter weight guide type double-horsehead oil pumping unit Pending CN111577219A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010305234.2A CN111577219A (en) 2020-04-17 2020-04-17 Counter weight guide type double-horsehead oil pumping unit

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Application Number Priority Date Filing Date Title
CN202010305234.2A CN111577219A (en) 2020-04-17 2020-04-17 Counter weight guide type double-horsehead oil pumping unit

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CN111577219A true CN111577219A (en) 2020-08-25

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Publication number Priority date Publication date Assignee Title
CN113605867A (en) * 2021-09-29 2021-11-05 东营正大金属制品有限公司 Automatically controlled intelligent braking system of beam-pumping unit
CN115199241A (en) * 2022-09-15 2022-10-18 胜利油田新海兴达实业集团有限责任公司 Front direct balance beam-pumping unit

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113605867A (en) * 2021-09-29 2021-11-05 东营正大金属制品有限公司 Automatically controlled intelligent braking system of beam-pumping unit
CN113605867B (en) * 2021-09-29 2021-12-24 东营正大金属制品有限公司 Automatically controlled intelligent braking system of beam-pumping unit
CN115199241A (en) * 2022-09-15 2022-10-18 胜利油田新海兴达实业集团有限责任公司 Front direct balance beam-pumping unit
CN115199241B (en) * 2022-09-15 2022-11-18 胜利油田新海兴达实业集团有限责任公司 Front direct balance beam-pumping unit

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