CN113323867A - Multi-cylinder gravity type stroke-adjustable drip pump - Google Patents
Multi-cylinder gravity type stroke-adjustable drip pump Download PDFInfo
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- CN113323867A CN113323867A CN202110751483.9A CN202110751483A CN113323867A CN 113323867 A CN113323867 A CN 113323867A CN 202110751483 A CN202110751483 A CN 202110751483A CN 113323867 A CN113323867 A CN 113323867A
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- 230000005484 gravity Effects 0.000 title claims abstract description 67
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 230000009471 action Effects 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims description 54
- 230000001681 protective effect Effects 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 13
- 239000003814 drug Substances 0.000 abstract description 29
- 239000003129 oil well Substances 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 229940079593 drug Drugs 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
- F04B53/162—Adaptations of cylinders
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/12—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by varying the length of stroke of the working members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B51/00—Testing machines, pumps, or pumping installations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/10—Valves; Arrangement of valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
- F04B9/02—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a multi-cylinder gravity type stroke-adjustable drip pump which comprises a traction part, a pump body part containing a plurality of cylinder bodies and a gravity part pulled by the traction part, wherein the pump body part comprises a plurality of cylinder bodies; the pump body part containing a plurality of cylinder bodies is arranged on the mounting bottom plate, the gravity part is arranged on the pump body part, the traction part is arranged on the gravity part, the traction part is connected to the power mechanism, and the gravity part can move up and down along with the traction part under the action of the power mechanism. The drip pump can realize continuous micro dosing of each well; meanwhile, the combined design greatly reduces the investment cost of equipment, improves the working efficiency and realizes the process breakthrough of filling two medicaments into one well or simultaneously adding medicaments into a plurality of wells. Meanwhile, the stepless regulation of the medicine adding amount is realized. Through the configuration of balancing weight, realized invariable filling pressure, ensured the safe operation of equipment, simultaneously, practice thrift the dose, practice thrift the various costs of artifical filling, indirectly improve oil well output, prolong oil well life-span.
Description
Technical Field
The invention relates to the technical field of plunger pumps, in particular to a multi-cylinder gravity type stroke-adjustable drip pump.
Background
The oil field chemical adding machine is a commonly used device and is an important means for increasing and stabilizing yield. Dosing oil wells and pipelines is a conventional process. The prior medicine adding modes include the following two modes, namely manual extensive type periodical medicine adding. And secondly, a conventional pump (generally cannot achieve trace) is used for intermittently adding medicines to a single well or the medicines are sequentially added to each single well through automatic switching of the medicine adding valve groups. And typically only one dose can be administered at a time. This is a discontinuous dosing process for each well. With the continuous highlighting of the advantages of fine dosing, the requirement of the oil field for continuous dosing with small flow is continuously urgent. And all the existing dosing modes cannot simultaneously meet 1 continuous micro dosing. 2. Two different agents cannot be injected at the same time. 3. The dosage of each well can not be adjusted independently and differently.
Disclosure of Invention
In order to solve the technical problems, the invention provides a multi-cylinder gravity type stroke-adjustable drip pump, which realizes that a well can be filled with various medicaments with different amounts at the same time, and simultaneously, the medicaments can be continuously added into different wells; meanwhile, the dosage is saved, the oil well yield is indirectly improved, and the service life of the oil well is prolonged.
The invention is realized by the following technical scheme:
a multi-cylinder gravity type stroke-adjustable drip pump comprises a traction part, a pump body part containing a plurality of cylinder bodies and a gravity part which is pulled by the traction part; the pump body part containing a plurality of cylinder bodies is arranged on the mounting bottom plate, the gravity part is arranged on the pump body part, the traction part is arranged on the gravity part, the traction part is connected to the power mechanism, and the gravity part can move up and down along with the traction part under the action of the power mechanism.
The pump body part containing the multiple cylinder bodies comprises a sealing guide sleeve, a plunger piston capable of reciprocating and an integral multi-cylinder body, a cavity, a liquid inlet channel and a liquid discharge channel are arranged in the multi-cylinder body, the integral multi-cylinder body is arranged on an installation bottom plate, the plunger piston is arranged in the cavity in each cylinder body of the integral multi-cylinder body, the end part of the plunger piston can reciprocate in the cavity in the multi-cylinder body, and the cavity of the multi-cylinder body is communicated with the outside through the liquid inlet channel and the liquid discharge channel; a liquid inlet one-way valve is installed in the liquid inlet channel, a liquid discharge one-way valve is installed in the liquid discharge channel, a sealing guide sleeve is installed on the plunger piston, and the top end of the plunger piston is connected to the flexible connecting piece of the gravity portion.
The pump body part containing a plurality of cylinder bodies comprises a sealing guide sleeve, a plunger piston capable of reciprocating and a multi-cylinder body consisting of a plurality of independent cylinder bodies, wherein a cavity, a liquid inlet channel and a liquid discharge channel are arranged in the multi-cylinder body; a liquid inlet one-way valve is installed in the liquid inlet channel, a liquid discharge one-way valve is installed in the liquid discharge channel, a sealing guide sleeve is installed on the plunger piston, and the top end of the plunger piston is connected to the flexible connecting piece of the gravity portion.
The gravity part comprises a balancing weight, a plurality of locking nuts, a plurality of stroke adjusting screw rods, a plurality of fixed sliding sleeves, a plurality of movable rods and a plurality of flexible connecting pieces; every flexible connectors installs in pump body portion's every plunger upper end, and every flexible connectors upper end all is connected with the movable rod, and fixed sliding sleeve is connected to on the balancing weight, and lock nut and stroke adjusting screw install on fixed sliding sleeve, and the balancing weight is installed in the pump body portion upper end that contains a plurality of cylinder bodies, movable rod and balancing weight sliding connection, the adjustable movable rod of stroke adjusting screw downstream.
And a limiting ring is arranged between the balancing weight and the multi-cylinder body.
The multi-cylinder gravity type stroke-adjustable drip pump also comprises a stroke indicating device; the stroke indicating device comprises an indicating disc and a stroke scale; the upper part of the counterweight block of the gravity part is provided with a stroke scale, the upper end of the stroke adjusting screw rod is provided with an indicating disc, and the indicating disc indicates on the stroke scale.
The outer side of the pump body part containing a plurality of cylinder bodies is also provided with a telescopic protective cover, the upper part of the telescopic protective cover is connected with the periphery of the balancing weight, and the lower part of the telescopic protective cover is connected to the pump body part containing a plurality of cylinder bodies.
The mounting base plate or the pump body part is provided with a plurality of guide posts, the upper surface of the balancing weight is provided with a guide sleeve, and the guide posts slide in the guide sleeve on the upper surface of the balancing weight.
The traction part comprises a lifting lug, a pull rope and a power mechanism; one end of the inhaul cable is connected to the lifting lug, and the other end of the inhaul cable is connected to the power mechanism.
The traction part also comprises a stroke adjusting device and a guide wheel for righting the pull rope; one end of the inhaul cable penetrates through the guide wheel to be connected to the lifting lug, the other end of the inhaul cable is connected to the stroke adjusting device, and the inhaul cable at the other end of the stroke adjusting device is connected to the power mechanism.
Compared with the prior art, the invention has the following beneficial technical effects:
the multi-cylinder gravity type stroke-adjustable drip pump provided by the invention can realize continuous micro dosing of each well; meanwhile, the combined design greatly reduces the investment cost of equipment, improves the working efficiency and realizes the process breakthrough of filling two medicaments into one well or simultaneously adding medicaments into a plurality of wells. Meanwhile, the stepless regulation of the medicine adding amount is realized. Through the configuration of balancing weight, realized invariable filling pressure, ensured the safe operation of equipment, realize the flexible coupling between power and the balancing weight, consequently can not appear stifled commentaries on classics, block, motor overflow burns out the scheduling problem. Furthermore, the structure is simple, and the failure rate is low. And unattended operation is easy to realize. The management cost is reduced. Meanwhile, the dosage and various manual filling costs are saved, the oil well yield is indirectly improved, and the service life of the oil well is prolonged.
The multi-cylinder gravity type stroke-adjustable drip pump provided by the invention has the advantages that the working stroke of each cylinder can be independently adjusted, so that continuous dosing can be carried out on a plurality of wells, more than two medicaments can be injected into one well, and the stroke-adjustable drip pump is provided with a stroke adjusting screw rod, a stroke scale and an indicating disc for indicating corresponding adjustment.
The multi-cylinder gravity type stroke-adjustable drip pump provided by the invention can be connected with various powers through the flexible inhaul cable, the installation position is flexible and convenient, the filling pressure is realized by increasing or decreasing the balancing weight, and the pressure is constant. The flow regulation can be realized by adjusting the mutual positions of the stroke regulating screw rod and the movable rod, so that the stroke of the dosing pump is changed, and the purpose of flow regulation is achieved.
The multi-cylinder gravity type stroke-adjustable drip pump provided by the invention has the advantages that the lifting lugs are lifted in a one-way mode through external power, the lifting lugs drive the whole balancing weight, and the balancing weight drives a plurality of plungers to move upwards together; the potential energy generated by the lifting of the lifting part is utilized to apply pressure to each plunger when the plunger falls down reversely, so that the function of discharging liquid medicine under pressure is realized.
The invention provides a multi-cylinder gravity type stroke-adjustable drip pump, which can realize micro fine dosing, has small dosing waste and stable dosing concentration and can reduce the labor intensity of workers.
Drawings
Fig. 1 is a schematic structural diagram of a multi-cylinder gravity type stroke-adjustable drip pump provided by the invention;
FIG. 2 is a schematic view of the structure of FIG. 1 in the direction A;
FIG. 3 is a schematic view of the structure of FIG. 1 in the direction B;
FIG. 4 is a schematic view of the structure of FIG. 1 in the direction of C;
fig. 5 is a schematic structural diagram of another multi-cylinder gravity type stroke-adjustable drip pump provided by the invention;
FIG. 6 is a schematic view of the structure of FIG. 5 in the direction A;
FIG. 7 is a schematic view of the structure of FIG. 5 in the direction B;
fig. 8 is a schematic view of the structure in the direction C of fig. 5.
Wherein, 1 is a lock nut; 2 is a stroke adjusting screw; 3 is a balancing weight; 4 is a flexible connecting piece; 5 is a sealing guide sleeve; 6 is a plunger piston; 7 is a multi-cylinder body; 8 is a guide post; 9 is a lifting lug; 10 is a guide sleeve; 11 is an indicating dial; 12 is a travel scale; 13 is a telescopic protective cover; 14 is a limit ring; 15 is a mounting base plate; 16 is a shell; 17 is a liquid inlet channel; 18 is a liquid discharge channel; 19 is a first independent cylinder body; and 20 is a second independent cylinder. 21 is a fixed sliding sleeve; 22 is a movable rod.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The present invention will be described in further detail below with reference to specific embodiments and with reference to the attached drawings.
Referring to fig. 1 to 8, a multi-cylinder gravity type stroke-adjustable drip pump includes a traction portion, a pump body portion including a plurality of cylinder bodies, and a gravity portion drawn by the traction portion; the pump body part containing a plurality of cylinder bodies is arranged on the mounting bottom plate 15, the gravity part is arranged on the pump body part, the traction part is arranged on the gravity part, the traction part is connected to the power mechanism, and the gravity part can move up and down along with the traction part under the action of the power mechanism.
Specifically, the pump body part containing a plurality of cylinder bodies comprises a sealing guide sleeve 5, a plunger 6 capable of reciprocating and an integral multi-cylinder body 7, a cavity, a liquid inlet channel 17 and a liquid discharge channel 18 are arranged in the multi-cylinder body 7, the integral multi-cylinder body 7 is arranged on a mounting bottom plate 15, the plunger 6 is arranged in the cavity of each cylinder body of the integral multi-cylinder body 7, the end part of the plunger can reciprocate in the cavity of the multi-cylinder body, and the cavity of the multi-cylinder body is communicated with the outside through the liquid inlet channel 17 and the liquid discharge channel 18; a liquid inlet check valve is installed in the liquid inlet channel, a liquid discharge check valve is installed in the liquid discharge channel, a sealing guide sleeve 5 is installed on a plunger 6, and the top end of the plunger 6 is connected to a flexible connecting piece 4 of the gravity part, wherein the length of each plunger 6 is different or equal, and the length is not limited to the length. The outer side of the pump body part containing a plurality of cylinder bodies is also provided with a telescopic protective cover 13, the upper part of the telescopic protective cover 13 is connected with the periphery of the balancing weight 3, and the lower part of the telescopic protective cover 13 is connected to the pump body part containing a plurality of cylinder bodies. It should be noted that the integral multi-cylinder 7 is an integral cylinder, and a plurality of cylinders are integrally formed thereon.
Or, the pump body part containing a plurality of cylinder bodies comprises a sealing guide sleeve 5, a plunger 6 capable of reciprocating and a multi-cylinder body 7 consisting of a plurality of independent cylinder bodies, a cavity, a liquid inlet channel 17 and a liquid discharge channel 18 are arranged in the multi-cylinder body 7, the multi-cylinder body 7 consisting of the plurality of independent cylinder bodies is arranged on a mounting bottom plate 15, the mounting bottom plate 15 is arranged on a shell 16, the plunger 6 is arranged in the cavity in each cylinder body of the multi-cylinder body 7 consisting of the plurality of independent cylinder bodies, the end part of the plunger can reciprocate in the cavity in the multi-cylinder body, and the cavity of the multi-cylinder body is communicated with the outside through the liquid inlet channel and the liquid discharge channel; a liquid inlet check valve is installed in the liquid inlet channel, a liquid discharge check valve is installed in the liquid discharge channel, a sealing guide sleeve 5 is installed on a plunger 6, and the top end of the plunger 6 is connected to a flexible connecting piece 4 of the gravity part, wherein the length of each plunger 6 is different or equal, and the length is not limited to the length. The multi-cylinder block 7 is composed of a plurality of independent blocks, each of which is a first independent block 19 and a second independent block 20, and when the plurality of blocks are independent, it is necessary to mount them on the mounting base 15 and then mount the housing 16 on the mounting base 15. The outer side of the pump body part containing a plurality of cylinder bodies is also provided with a telescopic protective cover 13, the upper part of the telescopic protective cover 13 is connected with the periphery of the balancing weight 3, and the lower part of the telescopic protective cover 13 is connected to the shell 16.
It should be noted that the number of cylinders in the multi-cylinder is even or odd.
The gravity part comprises a balancing weight 3, a plurality of locking nuts 1, a plurality of stroke adjusting screws 2, a plurality of fixed sliding sleeves 21, a plurality of movable rods 22 and a plurality of flexible connecting pieces 4; every flexible connectors 4 installs in every plunger upper end of pump body part, and 4 upper ends of every flexible connectors all are connected with movable rod 22, and fixed sliding sleeve 21 is connected to on the balancing weight 3, and lock nut 1 and stroke adjusting screw 2 are installed on fixed sliding sleeve 21, and balancing weight 3 is installed in the pump body part upper end that contains a plurality of cylinder bodies, movable rod 22 and 3 sliding connection of balancing weight, the adjustable movable rod 22 of 2 downstream of stroke adjusting screw. The distance between the movable rod 22 and the stroke adjusting screw 2 is changed by rotating the stroke adjusting screw 2, so that the different idle strokes of different cylinders are achieved, and the purpose of different flow rates is achieved. A telescopic protective cover is arranged between the moving balancing weight and the cylinder body, so that the balancing weight can be protected.
Furthermore, a limit ring 14 is arranged between the balancing weight 3 and the multi-cylinder body 7.
Furthermore, the multi-cylinder gravity type stroke-adjustable drip pump also comprises a stroke indicating device; the stroke indicating device comprises an indicating disc 11 and a stroke scale 12; the upper part of the counterweight block 3 of the gravity part is provided with a stroke scale 12, the upper end of the stroke adjusting screw rod 2 is provided with an indicating disc 11, and the indicating disc 11 indicates on the stroke scale 12.
Furthermore, a plurality of guide posts 8 are mounted on the mounting base plate 15 or the pump body, a guide sleeve 10 is arranged on the counterweight block 3, and the guide posts 8 slide in the guide sleeve 10 on the counterweight block 3.
Furthermore, the traction part comprises a lifting lug 9, a pull rope and a power mechanism; one end of the inhaul cable is connected to the lifting lug 9, and the other end of the inhaul cable 11 is connected to the power mechanism. During the action, power unit drives lug 9 through the cable and reciprocates, and lug 9 drives whole balancing weight and reciprocates, and the balancing weight drives the different plunger up-and-down motion of a plurality of idle strokes of its below, realizes adding medicine or instils.
The traction part also comprises a stroke adjusting device and a guide wheel for righting the pull rope; one end of the guy cable penetrates through the guide wheel to be connected to the lifting lug 9, the other end of the guy cable is connected to the stroke adjusting device, and the guy cable at the other end of the stroke adjusting device is connected to the power mechanism.
It should be noted that the multi-cylinder gravity type stroke adjustable drip pump may be circular, square or polygonal in shape, and the invention is not limited thereto.
Further, the stay is flexible or rigid. The flexible connecting piece is a joint bearing or a universal joint or a magnetic connecting piece.
The invention provides a multi-cylinder gravity type stroke-adjustable drip pump which has the following technical characteristics: 1. the multi-cylinder gravity type stroke-adjustable drip pump is formed by integrally processing a plurality of cylinder bodies or combining a plurality of independent single cylinder bodies, so that the requirements of continuously dosing different wells and dosing various medicines in the same well are met. 2. The stroke adjusting screw rod of each cylinder is designed, and different dosage requirements of various wells can be met. 3. The cylinder bodies are configured and combined. If two cylinders are combined into a group, each cylinder is filled with one medicament, and the ratio of filling the two medicaments can be realized by a stroke adjusting screw rod. Thereby solving the problem that one well is filled with two medicaments with different amounts at the same time. And a great breakthrough is realized from equipment.
The working principle of the invention is as follows:
the during operation, inlet channel passes through pipe connection to storage medicine jar, and the flowing back passageway passes through the pipeline and gets into the oil well sleeve pipe, and the cable is connected to power unit on, and during power unit action, the cable upwards lifts the gravity part, and the gravity part drives each plunger upward movement, and the liquid medicine in the storage medicine jar passes through the pipeline and gets into inlet channel, and the gravity part moves down under the effect of gravity and sends the liquid medicine to the oil well through flowing back passageway and sleeve pipe.
When the device works, the inhaul cable drives the balancing weight to move upwards integrally through the lifting lug, the stroke adjusting screw rod 2 and the movable rod 22 move upwards under the driving of the balancing weight, the movable rod 22 drives the plunger 6 to move upwards, liquid is sucked at the moment, when the device falls down and drains liquid, the balancing weight moves downwards under the gravity condition, if a certain gap is formed between the stroke adjusting screw rod 2 and the movable rod 22, the gap between the stroke adjusting screw rod 2 and the movable rod 22 needs to be eliminated firstly during the falling process, namely, the idle stroke, when the stroke adjusting screw rod 2 contacts with the movable rod 22, the stroke adjusting screw rod 2 and the movable rod 22 move downwards together, the idle stroke and the actual downward moving stroke of the movable rod 22 are equivalent to the maximum upward and downward moving stroke of the counterweight block, if it is said that there is no gap between the stroke adjustment screw 2 and the movable rod 22, the movable rod 22 travels by the maximum stroke.
The multi-cylinder gravity type stroke-adjustable drip pump provided by the invention can realize continuous micro dosing of each well; meanwhile, the combined design greatly reduces the investment cost of equipment, improves the working efficiency and realizes the process breakthrough of filling two medicaments into one well or simultaneously adding medicaments into a plurality of wells. Meanwhile, the stepless regulation of the medicine adding amount is realized. Through the configuration of balancing weight, realized invariable filling pressure, ensured the safe operation of equipment, realize flexible soft connection between power unit and the balancing weight, consequently can not appear stifled commentaries on classics, block, motor overcurrent burnout scheduling problem. Furthermore, the structure is simple, and the failure rate is low. And unattended operation is easy to realize. The management cost is reduced. Meanwhile, the dosage and various manual filling costs are saved, the oil well yield is indirectly improved, and the service life of the oil well is prolonged.
The multi-cylinder gravity type stroke-adjustable drip pump provided by the invention has the advantages that the working stroke of each cylinder can be independently adjusted, so that continuous dosing can be carried out on a plurality of wells, more than two medicaments can be injected into one well, and the stroke-adjustable drip pump is provided with a stroke adjusting screw rod, a stroke scale and an indicating disc for indicating corresponding adjustment.
The multi-cylinder gravity type stroke-adjustable drip pump provided by the invention can be connected with various powers through the flexible inhaul cable, the installation position is flexible and convenient, the filling pressure is realized by increasing or decreasing the balancing weight, and the pressure is constant. The flow regulation can be realized by adjusting the mutual positions of the stroke regulating screw rod and the movable rod, so that the stroke of the dosing pump is changed, and the purpose of flow regulation is achieved.
The multi-cylinder gravity type stroke-adjustable drip pump provided by the invention has the advantages that the lifting lugs are lifted in a one-way mode through external power, the lifting lugs drive the whole balancing weight, and the balancing weight drives a plurality of plungers to move upwards together; the potential energy generated by the lifting of the lifting part is utilized to apply pressure to each plunger when the plunger falls down reversely, so that the function of discharging liquid medicine under pressure is realized.
The invention provides a multi-cylinder gravity type stroke-adjustable drip pump, which can realize micro fine dosing, has small dosing waste and stable dosing concentration and can reduce the labor intensity of workers.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A multi-cylinder gravity type stroke-adjustable drip pump is characterized by comprising a traction part, a pump body part containing a plurality of cylinder bodies and a gravity part which is pulled by the traction part; the pump body part containing a plurality of cylinder bodies is arranged on the mounting base plate (15), the gravity part is arranged on the pump body part, the traction part is arranged on the gravity part, the traction part is connected to the power mechanism, and the gravity part can move up and down along with the traction part under the action of the power mechanism.
2. The multi-cylinder gravity type stroke-adjustable drip pump according to claim 1, characterized in that the pump body part containing a plurality of cylinder bodies comprises a sealing guide sleeve (5), a plunger (6) capable of reciprocating and an integral multi-cylinder body (7), a cavity, a liquid inlet channel and a liquid discharge channel are arranged inside the multi-cylinder body (7), the integral multi-cylinder body (7) is arranged on a mounting base plate (15), the plunger (6) is arranged in the inner cavity of each cylinder body of the integral multi-cylinder body (7), the end part of the plunger can reciprocate in the inner cavity of the multi-cylinder body, and the cavity of the multi-cylinder body is communicated with the outside through the liquid inlet channel and the liquid discharge channel; a liquid inlet check valve is installed in the liquid inlet channel, a liquid discharge check valve is installed in the liquid discharge channel, a sealing guide sleeve (5) is installed on the plunger (6), and the top end of the plunger (6) is connected to the flexible connecting piece (4) of the gravity portion.
3. The multi-cylinder gravity type stroke-adjustable drip pump according to claim 1, characterized in that the pump body part containing a plurality of cylinders comprises a sealing guide sleeve (5), a plunger (6) capable of reciprocating and a multi-cylinder body (7) consisting of a plurality of independent cylinders, a cavity, a liquid inlet channel and a liquid outlet channel are arranged inside the multi-cylinder body (7), the multi-cylinder body (7) consisting of a plurality of independent cylinders is arranged on a mounting base plate (15), a shell (16) is arranged on the side surface of the mounting base plate (15), the plunger (6) is arranged in the inner cavity of each cylinder body of the multi-cylinder body (7) consisting of a plurality of independent cylinders, the end part of the plunger can reciprocate in the inner cavity of the multi-cylinder body, and the cavity of the multi-cylinder body is communicated with the outside through the liquid inlet channel and the liquid outlet channel; a liquid inlet check valve is installed in the liquid inlet channel, a liquid discharge check valve is installed in the liquid discharge channel, a sealing guide sleeve (5) is installed on the plunger (6), and the top end of the plunger (6) is connected to the flexible connecting piece (4) of the gravity portion.
4. A multi-cylinder gravity type stroke adjustable drip pump according to any one of claims 2 or 3, wherein the gravity part comprises a balancing weight (3) and a plurality of locking nuts (1), a plurality of stroke adjusting screws (2), a plurality of fixed sliding sleeves (21), a plurality of movable rods (22), a plurality of flexible connecting pieces (4); every flexible connectors (4) are installed in every plunger upper end of pump body part, every flexible connectors (4) upper end all is connected with movable rod (22), fixed sliding sleeve (21) are connected to on balancing weight (3), install on fixed sliding sleeve (21) lock nut (1) and stroke adjusting screw (2), balancing weight (3) are installed in the pump body part upper end that contains a plurality of cylinder bodies, movable rod (22) and balancing weight (3) sliding connection, adjustable movable rod (22) are removed downwards in stroke adjusting screw (2).
5. The multi-cylinder gravity type stroke adjustable drip pump according to claim 4, characterized in that a limiting ring (14) is arranged between the balancing weight (3) and the multi-cylinder body (7).
6. The multi-cylinder gravity stroke-adjustable drip pump according to claim 1, further comprising a stroke indicating device; the stroke indicating device comprises an indicating disc (11) and a stroke scale (12); the upper part of a balancing weight (3) of the gravity part is provided with a stroke scale (12), the upper end of the stroke adjusting screw rod (2) is provided with an indicating disc (11), and the indicating disc (11) indicates on the stroke scale (12).
7. The multi-cylinder gravity type stroke adjustable drip pump according to claim 1, characterized in that a telescopic protective cover (13) is further arranged outside the pump body part containing a plurality of cylinder bodies, the upper part of the telescopic protective cover (13) is connected with the periphery of the balancing weight (3), and the lower part of the telescopic protective cover (13) is connected with the pump body part containing a plurality of cylinder bodies.
8. The multi-cylinder gravity type stroke-adjustable drip pump according to claim 1, characterized in that the mounting base plate (15) or the pump body part is provided with a plurality of guide posts (8), the counterweight block (3) is provided with a guide sleeve (10), and the guide posts (8) slide in the guide sleeve (10) on the counterweight block (3).
9. The multi-cylinder gravity type stroke-adjustable drip pump according to claim 1, wherein the traction part comprises a lifting lug (9), a pull rope and a power mechanism; one end of the inhaul cable is connected to the lifting lug (9), and the other end of the inhaul cable (11) is connected to the power mechanism.
10. The multi-cylinder gravity stroke adjustable drip pump according to claim 9, wherein the traction portion further comprises a stroke adjustment device and a guide wheel for centering the pull cable; one end of the inhaul cable penetrates through the guide wheel to be connected to the lifting lug (9), the other end of the inhaul cable is connected to the stroke adjusting device, and the inhaul cable at the other end of the stroke adjusting device is connected to the power mechanism.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110751483.9A CN113323867B (en) | 2021-07-02 | 2021-07-02 | Multi-cylinder gravity type stroke-adjustable instillation pump |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110751483.9A CN113323867B (en) | 2021-07-02 | 2021-07-02 | Multi-cylinder gravity type stroke-adjustable instillation pump |
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| CN113323867A true CN113323867A (en) | 2021-08-31 |
| CN113323867B CN113323867B (en) | 2023-10-27 |
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|---|---|
| CN113323867B (en) | 2023-10-27 |
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