CN220285946U - Automatic feeding and discharging device of oil pumping unit - Google Patents
Automatic feeding and discharging device of oil pumping unit Download PDFInfo
- Publication number
- CN220285946U CN220285946U CN202323144606.6U CN202323144606U CN220285946U CN 220285946 U CN220285946 U CN 220285946U CN 202323144606 U CN202323144606 U CN 202323144606U CN 220285946 U CN220285946 U CN 220285946U
- Authority
- CN
- China
- Prior art keywords
- pumping unit
- weight box
- weight
- box
- vertical pumping
- 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.)
- Active
Links
- 238000005086 pumping Methods 0.000 title claims abstract description 89
- 238000007599 discharging Methods 0.000 title claims abstract description 38
- 239000000725 suspension Substances 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 4
- 210000001503 joint Anatomy 0.000 claims description 2
- 230000003247 decreasing effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model discloses an automatic feeding and discharging device of a pumping unit, which relates to the technical field of pumping units, in particular to an automatic feeding and discharging device of a pumping unit, which is arranged on a vertical pumping unit and comprises a weight box, a driving mechanism, a feeder and a control part, wherein the feeder is used for feeding or discharging a counterweight into or from the weight box of the vertical pumping unit; when the weight box is fed and weighted, the control board controls the feeder to start, and the feeder is used for feeding the weight box; when the weight box needs to be unloaded and the weight is reduced, the control board controls the driving mechanism of the vertical pumping unit to start, the driving mechanism of the vertical pumping unit lowers the weight box onto the base, then the control board controls the electric cylinder on the weight box to open the baffle, and after the baffle on the weight box is opened, the weight in the weight box is moved out, so that the unloading of the weight box is realized, the purpose of automatically feeding or discharging the vertical pumping unit is achieved, and the loading or unloading efficiency of the weight box of the vertical pumping unit is greatly improved.
Description
Technical Field
The utility model relates to the technical field of oil pumping units, in particular to an automatic feeding and discharging device of an oil pumping unit.
Background
The existing pumping units for petroleum extraction are mainly divided into two categories, namely beam pumping units and vertical pumping units. The balancing weight corresponding to the underground oil reservoir and the underground working condition is regulated by the change of the underground oil reservoir and the underground working condition during the working of the vertical oil pumping unit, so that the aims of reducing power consumption and saving energy are fulfilled. (the depth of the underground hanging pump is different, the material of the polish rod is different, the density of oil liquid affects the weight of the wellhead end, after the corresponding weight is required to be configured on the pumping unit, the front end and the rear end are balanced or the weight of the front end and the rear end is almost the same, so that work can be done little, and the energy consumption can be low).
In published chinese patent application, publication No.: CN219711492U, patent name: the automatic balance device for the beam pumping unit is characterized in that two sensors for measuring weight are arranged on a front horsehead and a balance horsehead in the prior art, and loading and unloading of a weight box of the beam pumping unit can be realized under the cooperation of a conveyor control part; however, this conventional technique is only applicable to a beam pumping unit having a front horsehead and a balanced horsehead, and is not applicable to a vertical pumping unit.
In published chinese patent application, publication No.: CN219795224U, patent name: the utility model provides an automatic balance-adjusting vertical pumping unit, although, through setting up the screw hoist in vertical pumping unit department and can realize going up the unloading to the weight box of vertical pumping unit, this prior art is in the in-process of carrying the steel ball to the weight box through helical blade, because the steel ball receives gravity influence, the steel ball rolls down along with helical blade, and the steel ball can't effectively enter into in the weight box.
To sum up, in order to solve the problems existing in the prior art: 1. the automatic balance adjustment mode of the beam pumping unit (balance adjustment is realized by feeding and discharging a weight box) is not applicable to the vertical pumping unit; 2. the loading of the weight box of the vertical pumping unit cannot be effectively performed in a spiral lifting machine mode. The application is specifically proposed for solving the problem.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides an automatic feeding and discharging device of an oil pumping unit, which solves the problems in the background art.
(II) technical scheme
In order to achieve the above purpose, the utility model is realized by the following technical scheme:
the automatic feeding and discharging device of the pumping unit is arranged on the vertical pumping unit and comprises a weight box, a driving mechanism, a feeding machine and a control part, wherein the feeding machine is used for feeding or discharging a counterweight into or out of the weight box of the vertical pumping unit, the driving mechanism is provided with a belt, the driving mechanism is in transmission connection with the belt, one end of the belt is a counterweight hanging end, the other end of the belt is a wellhead hanging end, the counterweight hanging end of the belt is fixedly arranged with the weight box of the vertical pumping unit, and the wellhead hanging end of the belt is fixedly arranged with wellhead equipment of the vertical pumping unit; a discharging opening is formed in one side wall of the bottom of the weight box; the feeding machine comprises a support frame, a material collecting box, a hinge and an inclined support frame, wherein the support frame is fixedly arranged on a base of the vertical oil pumping machine, the material collecting box is arranged on the support frame, the inclined support frame is fixedly arranged on one side of the material collecting box, the hinge is arranged on the inclined support frame, a servo motor for driving the hinge to rotate around the inclined support frame is arranged at the bottom of the material collecting box, and a feeding port at the upper end of the inclined support frame can be abutted with a feeding port of the weight box; the support frame is fixedly connected with an inclined discharging groove plate, one end of the discharging groove plate can be abutted with a discharging opening of the weight box, and the other end of the discharging groove plate is positioned in the material collecting box; the control component comprises a control board, a first pin shaft sensor and a second pin shaft sensor which are arranged in a vertical pumping unit control cabinet, wherein the first pin shaft sensor is arranged on a polished rod at a wellhead suspension end of the vertical pumping unit, and the second pin shaft sensor is arranged on a connecting head at a counterweight suspension end of the vertical pumping unit;
still include the early warning lamp and be used for detecting the position sensor that the weight case is located, early warning lamp and position sensor all pass through wire electric connection with the control panel.
Optionally, the weight box contains the counter weight, the counter weight can be the steel ball, the upper portion of weight box is equipped with the feed inlet, the discharge opening department of weight box slides and is provided with the baffle.
Optionally, the control part further comprises an electric cylinder, the electric cylinder is fixedly installed on one side wall of the weight box, the output shaft end of the electric cylinder is fixedly connected with the baffle, and the electric cylinder is electrically connected with the control board through a wire.
Optionally, the control board may be one of a single chip microcomputer, an editable logic controller and a microprocessor, and is respectively in control connection with the first pin shaft sensor and the second pin shaft sensor.
Optionally, a partition plate inclined to the side where the discharge opening is arranged at the inner bottom of the weight box.
(III) beneficial effects
The utility model provides an automatic feeding and discharging device of an oil pumping unit, which has the following beneficial effects:
the automatic feeding and discharging device for the pumping unit utilizes two pin shaft sensors to detect the weight of a counterweight hanging end and a wellhead hanging end of the vertical pumping unit, transmits weight information to a control board, and judges whether to feed or discharge a counterweight box according to the weight difference of the counterweight hanging end and the wellhead hanging end of the vertical pumping unit; when the weight box is required to be fed and weighted, the control board controls the feeding machine to start, the feeding machine is used for feeding the weight box, and the weight of the weight box is increased after the weight box is fed; when the weight box needs to be unloaded and the weight is reduced, the control board controls the driving mechanism of the vertical pumping unit to start, the driving mechanism of the vertical pumping unit lowers the weight box onto the base, then the control board controls the electric cylinder on the weight box to open the baffle, and after the baffle on the weight box is opened, the weight in the weight box is moved out, so that the unloading of the weight box is realized, the aim of automatically feeding or discharging the vertical pumping unit is fulfilled, and the device has higher integral automation degree and greatly improves the loading or unloading efficiency of the weight box of the vertical pumping unit.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a front view of a vertical pumping unit;
FIG. 2 is a schematic diagram of a rear view structure of a vertical pumping unit;
FIG. 3 is a schematic perspective view of a bin of an automatic feeding and discharging device of a pumping unit;
FIG. 4 is a schematic cross-sectional view of a weight box of an automatic feeding and discharging device of a pumping unit;
fig. 5 is an enlarged schematic view of the structure at a in fig. 4.
In the figure: 1. a weight box; 2. a material collecting box; 3. a hinge; 4. a discharge chute plate; 5. a feeding port; 6. a servo motor; 7. a support frame; 8. a baffle; 9. a discharge port; 10. a steel ball; 11. a foundation; 12. a frame body; 13. a first pin sensor; 14. a second pin sensor; 15. a connector; 16. and (5) a base.
Detailed Description
The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying positive importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model.
Referring to fig. 1 to 5, the present utility model provides the following technical solutions: the automatic feeding and discharging device of the pumping unit is matched with the vertical pumping unit for use in specific implementation, and is used for feeding and discharging the weight box 1 of the vertical pumping unit, so that the weight of the weight hanging end of the vertical pumping unit and the weight of the wellhead hanging end are balanced.
The automatic feeding and discharging device of the pumping unit is arranged on the vertical pumping unit and comprises a weight box 1, a driving mechanism, a feeder and a control part, wherein the feeder is used for feeding or discharging a counterweight into or out of the weight box 1 of the vertical pumping unit, the driving mechanism is provided with a belt, the driving mechanism is in transmission connection with the belt, one end of the belt is a counterweight hanging end, the other end of the belt is a wellhead hanging end, the counterweight hanging end of the belt is fixedly arranged with the weight box 1 of the vertical pumping unit, and the wellhead hanging end of the belt is fixedly arranged with wellhead equipment of the vertical pumping unit; a discharging opening 9 is formed in one side wall of the bottom of the weight box 1; the feeding machine comprises a supporting frame 7, a material collecting box 2, a hinge 3 and an inclined supporting frame, wherein the supporting frame 7 is fixedly arranged on a base 16 of a vertical oil pumping machine, the material collecting box 2 is arranged on the supporting frame 7, the inclined supporting frame is fixedly arranged on one side of the material collecting box 2, the hinge 3 is arranged on the inclined supporting frame, a servo motor 6 for driving the hinge 3 to rotationally move around the inclined supporting frame is arranged at the bottom of the material collecting box 2, and a feeding port 5 at the upper end of the inclined supporting frame can be in butt joint with a feeding port of a weight box 1; fixedly connected with is the slope form on the support frame 7 and unloads the frid 4, the one end of frid 4 can with the discharge opening 9 butt of weight box 1, the other end of frid 4 is located collection incasement 2.
The vertical pumping unit comprises a frame body 12, a foundation 11 and a base 16, wherein the base 16 is fixedly arranged on the foundation 11, and the frame body 12 is fixedly arranged on the base 16. The driving mechanism is used for driving the belt to move, one end of the belt is a counterweight suspension end (namely, the end where the counterweight box 1 is positioned), and the other end of the belt is a wellhead suspension end (namely, the end where wellhead equipment is positioned, and the end is used for suspending oil well wellhead equipment).
The driving mechanism comprises a permanent magnet motor which is electrically connected with (including control connection with) the control component.
The feeder is used for containing weights and conveying the weights into the weight box 1, feeding the weight box 1 is achieved, and the weight of the weight box 1 is increased. The servo motor 6 is connected with the hinge 3 in a transmission way, and the servo motor 6 drives the hinge 3 to rotate and move on the inclined support frame. Further specifically, the material collecting box 2 is used for containing weights, the servo motor 6 drives the weights in the material collecting box 2 to move through the hinge 3 in the process of rotating and moving the hinge 3, the weights move out of the material collecting box 2 after moving, and the weights fall into the weight box 1 after moving, so that the weights of the weight box 1 are achieved.
The control part comprises a control board, a first pin shaft sensor 13 and a second pin shaft sensor 14 which are arranged in the vertical pumping unit control cabinet, wherein the first pin shaft sensor 13 is arranged on a polished rod of a vertical pumping unit wellhead suspension end, and the second pin shaft sensor 14 is arranged on a connector 15 of a vertical pumping unit counterweight suspension end.
The control board is used for controlling the start and stop of the permanent magnet motor of the vertical pumping unit, and meanwhile, the control board is used for controlling the start and stop of the servo motor 6. The first pin shaft sensor 13 is used for detecting the weight of the vertical pumping unit wellhead suspension end equipment, and the first pin shaft sensor 13 transmits detected weight data information to the control board; the second pin sensor 14 is used for detecting the weight of the counterweight suspending end, and the second pin sensor 14 transmits detected weight data information to the control panel. The control board judges whether the weight in the weight box 1 needs to be increased or decreased according to the weight data information transmitted by the first pin shaft sensor 13 and the second pin shaft sensor 14, and the weight balance adjustment at the two ends of the belt of the vertical pumping unit is realized by increasing or decreasing the weight in the weight box 1.
The control board compares the weight of the counterweight hanging end with the weight of the wellhead hanging end to obtain a weight difference (wellhead hanging end weight-counterweight hanging end weight=weight difference). When the weight difference is positive, the weight box 1 is required to be weighted. When the weight difference is negative, the weight box 1 is required to be weight-reduced. For example: the weight of the wellhead suspension end is 60KN, and the weight of the counterweight suspension end is 80KN, which indicates that the end of the counterweight box 1 is heavier and the weight in the counterweight box 1 needs to be reduced; the weight of the wellhead suspension end is 100KN, and the weight of the counterweight suspension end is 80KN, which indicates that wellhead end equipment is heavy and the weight inside the counterweight box 1 needs to be increased.
The automatic feeding and discharging device of the oil pumping unit further comprises a warning lamp and a position sensor for detecting the position of the weight box 1, wherein the warning lamp and the position sensor are electrically connected with the control board through wires.
The position sensor is arranged on the vertical oil pumping machine frame body 12, at least one position sensor is arranged on the vertical oil pumping machine frame body, and the position sensor is used for detecting the position of the weight box 1. The pre-warning lamp is used for carrying out light pre-warning when the weight difference value between the weight of the counterweight suspending end and the weight of the wellhead suspending end exceeds a safety threshold value, so that safety accidents are avoided.
Specifically, the weight box 1 is internally provided with weights, the weights can be a plurality of steel balls 10, the upper part of the weight box 1 is provided with a feed inlet, and a baffle plate 8 is slidably arranged at a discharge opening 9 of the weight box 1.
Wherein, each steel ball 10 has a certain weight and the weights are consistent. When the weight in the weight box 1 needs to be dismounted, the baffle plate 8 on the weight box 1 is slid and opened, so that the steel balls in the weight box 1 roll out, and the overall weight of the weight box 1 is reduced.
Further specifically, the control part further comprises an electric cylinder, the electric cylinder is fixedly arranged on one side wall of the weight box 1, the output shaft end of the electric cylinder is fixedly connected with the baffle plate 8, and the electric cylinder is electrically connected with the control board through a wire. The inner bottom of the weight box 1 is provided with a partition plate inclined to the side of the discharge opening 9.
Wherein, the electric cylinder is used for driving the baffle 8 to move, thereby realizing the opening and closing of the baffle 8. When baffle 8 needs to be opened, the control panel control starts electric cylinder, and electric cylinder's output shaft contracts, and electric cylinder's output shaft drives baffle 8 and slides, and baffle 8 opens. When the baffle plate 8 needs to be closed, the control board controls the output shaft of the electric cylinder to extend out, the output shaft of the electric cylinder extends out to push the baffle plate 8 to slide, and the baffle plate 8 closes the discharge opening 9.
Specifically, the control board may be one of a single chip microcomputer, an editable logic controller and a microprocessor, and is respectively in control connection with the first pin shaft sensor 13 and the second pin shaft sensor 14.
The control board is internally provided with a logic control program and a time sequence control program, so as to meet the automatic control requirement of the automatic feeding and discharging device of the pumping unit.
In use, the first pin shaft sensor 13 and the second pin shaft sensor 14 detect the weight of the wellhead suspension end and the weight of the counterweight suspension end in real time, and transmit weight information to the control board.
2. The control board obtains a weight difference value according to the weight of the wellhead hanging end and the weight information of the counterweight hanging end, and judges whether the weight of the counterweight box 1 needs to be increased or decreased.
3. When it is desired to reduce the weight of the weight box 1: the control panel controls the permanent magnet motor (a component of the vertical pumping unit driving mechanism) to start, the permanent magnet motor drives the belt to move, the belt drives the weight box 1 to move downwards, and the weight box 1 moves downwards to the lowest position. When the position sensor at the lower end of the frame 12 detects that the weight box 1 reaches the lowest position, the position sensor sends a signal to the control board, and the control board responds to the position sensor and controls to open the electric cylinder which drives the baffle plate 8 to move so as to open the discharge opening 9. Part of the steel balls 10 in the weight box 1 roll towards the discharge chute plate 4 through the discharge opening 9 and roll into the material collecting box 2 through the discharge chute plate 4, so that the weight of the weight box 1 is reduced. Secondly, the first pin shaft sensor 13 and the second pin shaft sensor 14 detect the weight of the wellhead suspension end and the weight of the counterweight suspension end in real time, and transmit weight information to a control board, and the control board judges whether the weight is balanced according to the two weight information; when the weights at the two ends of the belt are balanced, the control board controls the electric cylinder to be closed, the electric cylinder drives the baffle to move and block the discharge opening 9, and the steel balls in the weight box 1 are not rolled out any more. And (III) the weight of the inlet end and the weight box end is balanced, and the vertical pumping unit continues to work.
4. When it is necessary to increase the weight of the weight box 1: the control panel controls the permanent magnet motor to start, the permanent magnet motor drives the weight box 1 to move downwards, and the weight box 1 moves downwards to the lowest position. When the position sensor at the lower end of the frame 12 detects that the weight box 1 has reached the lowest position, the position sensor sends a signal to the control board, which responds to the position sensor and controls the servo motor 6 to be turned on. The servo motor 6 is started and drives the hinge 3 to rotate, the hinge 3 rotates to drive each steel ball 10 to move upwards, and when each steel ball 10 moves to the feeding port 5, each steel ball 10 rolls to the feeding port of the weight box 1 and enters the weight box 1 through the feeding port. Secondly, the first pin shaft sensor 13 and the second pin shaft sensor 14 continuously detect the weight of the wellhead hanging end and the weight of the counterweight hanging end, and the two weight information are transmitted to a control board, and the control board judges whether the weight is balanced or not according to the two weight information; when the weights at the two ends are balanced, the control board controls the servo motor 6 to be closed, and the servo motor 6 stops working. And thirdly, the weight of the inlet suspension end and the weight of the counterweight suspension end are balanced, and the vertical pumping unit continues to work.
The application shows that an automatic unloader that goes up of beam-pumping unit still includes other spare parts and electrical component, in order to satisfy normal operating, the rational control of equipment when specific implementation.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (5)
1. An automatic unloader that goes up of beam-pumping unit, its characterized in that: the vertical pumping unit is arranged on the vertical pumping unit and comprises a weight box (1), a driving mechanism, a feeder and a control part, wherein the feeder is used for feeding or discharging a counterweight into or out of the weight box (1) of the vertical pumping unit, a belt is arranged on the driving mechanism, the driving mechanism is in transmission connection with the belt, one end of the belt is a counterweight suspension end, the other end of the belt is a wellhead suspension end, the counterweight suspension end of the belt is fixedly arranged with the weight box (1) of the vertical pumping unit, and the wellhead suspension end of the belt is fixedly arranged with wellhead equipment of the vertical pumping unit; a discharging opening (9) is formed in one side wall of the bottom of the weight box (1); the feeding machine comprises a supporting frame (7), a collecting box (2), a hinge (3) and an inclined supporting frame, wherein the supporting frame (7) is fixedly arranged on a base (16) of the vertical pumping unit, the collecting box (2) is arranged on the supporting frame (7), the inclined supporting frame is fixedly arranged on one side of the collecting box (2), the hinge (3) is arranged on the inclined supporting frame, a servo motor (6) for driving the hinge (3) to rotationally move around the inclined supporting frame is arranged at the bottom of the collecting box (2), and a feeding port (5) at the upper end of the inclined supporting frame can be in butt joint with a feeding port of the weight box (1); the support frame (7) is fixedly connected with an inclined discharging groove plate (4), one end of the discharging groove plate (4) can be abutted with a discharging opening (9) of the weight box (1), and the other end of the discharging groove plate (4) is positioned in the material collecting box (2); the control component comprises a control board, a first pin shaft sensor (13) and a second pin shaft sensor (14) which are arranged in a vertical pumping unit control cabinet, the first pin shaft sensor (13) is arranged on a polished rod at a wellhead suspension end of the vertical pumping unit, and the second pin shaft sensor (14) is arranged on a connector (15) at a counterweight suspension end of the vertical pumping unit;
the automatic weight box further comprises a warning lamp and a position sensor for detecting the position of the weight box (1), wherein the warning lamp and the position sensor are electrically connected with the control board through wires.
2. The automatic feeding and discharging device for the pumping unit according to claim 1, wherein: the weight box (1) is internally provided with weights, the weights can be steel balls (10), the upper part of the weight box (1) is provided with a feed inlet, and a baffle (8) is slidably arranged at a discharge opening (9) of the weight box (1).
3. The automatic feeding and discharging device for the pumping unit according to claim 2, wherein: the control part further comprises an electric cylinder, the electric cylinder is fixedly arranged on one side wall of the weight box (1), the output shaft end of the electric cylinder is fixedly connected with the baffle (8), and the electric cylinder is electrically connected with the control board through a wire.
4. The automatic feeding and discharging device for the pumping unit according to claim 1, wherein: the control board can be one of a singlechip, an editable logic controller and a microprocessor, and is respectively in control connection with the first pin shaft sensor (13) and the second pin shaft sensor (14).
5. The automatic feeding and discharging device for the pumping unit according to claim 2, wherein: the inner bottom of the weight box (1) is provided with a baffle plate inclined to the side where the discharge opening (9) is located.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323144606.6U CN220285946U (en) | 2023-11-22 | 2023-11-22 | Automatic feeding and discharging device of oil pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323144606.6U CN220285946U (en) | 2023-11-22 | 2023-11-22 | Automatic feeding and discharging device of oil pumping unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220285946U true CN220285946U (en) | 2024-01-02 |
Family
ID=89337250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323144606.6U Active CN220285946U (en) | 2023-11-22 | 2023-11-22 | Automatic feeding and discharging device of oil pumping unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220285946U (en) |
-
2023
- 2023-11-22 CN CN202323144606.6U patent/CN220285946U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2016107592A1 (en) | Intelligent oil pumping control method and intelligent oil pumping unit | |
| CN113578776B (en) | Lithium battery bulge detection equipment | |
| CN220285946U (en) | Automatic feeding and discharging device of oil pumping unit | |
| CN108222436B (en) | But recycle's putty plastering machine | |
| WO2022082424A1 (en) | Vertical conveying device for rice milling machine | |
| CN219711492U (en) | Automatic balance adjusting device of beam pumping unit | |
| CN219795224U (en) | Automatic balance-adjusting vertical pumping unit | |
| CN113526271B (en) | Elevator with weight-adjustable balancing weight | |
| CN211660075U (en) | Lifting device of rice mill | |
| CN217708240U (en) | Automatic discharging and stacking tool for material rack | |
| CN218507070U (en) | Automatic barrel-plating feeding table | |
| CN215907825U (en) | Energy-saving and efficient oil pumping unit for oil exploitation | |
| CN218521320U (en) | High-strength aluminum alloy smelting device | |
| CN218296739U (en) | Metallurgical furnace charge feeding control device | |
| CN217627292U (en) | But counter weight formula single armed hangs | |
| CN217925939U (en) | Arch anchor trolley with grouting function | |
| CN116216510B (en) | Counterweight device for crane | |
| CN220501733U (en) | Bucket elevator with counterweight balance | |
| CN215479284U (en) | Electric block double-height-limiting trolley | |
| CN212190670U (en) | Coil stock leveling device is used in automobile parts production | |
| CN210682970U (en) | Feeding mechanism of refractory material processing equipment | |
| CN217644251U (en) | Novel visual electronic grain mouth of putting device | |
| CN213060058U (en) | Feeding mechanism of refractory material processing equipment | |
| CN218490959U (en) | Big feed bin discharging device of electric plate wire | |
| CN218988623U (en) | Lifting structure of crane |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |