CN212508680U - Single-barrel two-inlet two-outlet reciprocating pump - Google Patents
Single-barrel two-inlet two-outlet reciprocating pump Download PDFInfo
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- CN212508680U CN212508680U CN202021063269.1U CN202021063269U CN212508680U CN 212508680 U CN212508680 U CN 212508680U CN 202021063269 U CN202021063269 U CN 202021063269U CN 212508680 U CN212508680 U CN 212508680U
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Abstract
The utility model discloses a single-barrel two-inlet two-outlet reciprocating pump, which comprises a main pump barrel with openings at both ends and a piston axially sliding inside; the auxiliary pump barrels are coaxially and symmetrically arranged on two sides of the main pump barrel, one end of each auxiliary pump barrel is fixed with the end part of the main pump barrel, the other end of each auxiliary pump barrel is sealed with an end plate, and a feeding hole and a discharging hole are formed in the ring surface; the middle part of the feeding pipeline is provided with a material suction inlet, and two ends of the feeding pipeline are connected with the feeding port through a feeding one-way valve; the middle part of the discharge pipeline is provided with a material discharge port, and two ends of the discharge pipeline are connected with the discharge port through a discharge one-way valve; the hydraulic cylinder is coaxially arranged beside the auxiliary pump barrel on one side, and the output end of the hydraulic cylinder is linked with the piston; the driving mechanism is used for controlling the action of the hydraulic cylinder. The rod cavity and the rodless cavity of the main pump barrel can simultaneously and respectively complete feeding and discharging operations, thereby avoiding the situation that the idle cavity is not fed or discharged and is easy to generate higher temperature, and reducing power waste; the whole end face of the main pump barrel participates in the feeding and discharging process during working, the fluid drift diameter is increased, the fluid resistance is reduced, the power loss is reduced, and the working efficiency of the pump is improved.
Description
Technical Field
The utility model relates to a delivery pump technical field, concretely relates to two reciprocating pump that advance of single bucket.
Background
At present, in the sludge treatment process, the plunger pump is a commonly used sludge dewatering machine feeding pump, can pump a medium with high viscosity and poor fluidity, has no shearing and stirring to the medium, has no turbulent pulsation phenomenon, has stable pumping, and is widely used in the sludge dewatering machine feeding pump.
The existing plunger pump is in a double-cylinder single-feeding mode, a piston rod moves in a reciprocating mode all the time, a working cylinder does not feed and discharge materials in a reactive cavity, high temperature is easily generated, power waste is caused, and the double-lever single-feeding plunger pump is high in overall cost, complex in structure and low in integration degree.
In order to realize the feeding and discharging problem of the idle cavity of the working cylinder, two solutions begin to appear in the prior art. The first method is to directly open a hole on the side ring surface of the end part of the working cylinder and connect a pipeline through a one-way valve; the second is to arrange symmetrical small holes on the end face of the working cylinder, and the small holes are connected with a pipeline through a tee joint and a one-way valve.
The main problems of the above two methods are: 1. the first method cannot be realized by drilling a hole on the outer ring surface of the end part of the working cylinder to weld the pipeline, because the welding of the inner ring surface of the working cylinder cannot ensure the smoothness of the welding seam of the inner wall, the pressure resistance and temperature resistance requirements of the working cylinder cannot be met, and the normal reciprocating motion requirements of a piston in the working cylinder cannot be met;
2. the second method is to open two small holes with the aperture of 50 on the end face of the rod cavity, and the aperture of the end face of the rod-free cavity is 100. The actual channel sectional area of the two small holes with the calibers of 50 is 2 multiplied by 25 multiplied by 1250; the actual channel cross-sectional area of the aperture 100 is 50 × 50 × pi 2500 pi, 1250 pi ÷ 2500 pi 0.5, as calculated: the sectional area of the two small holes is only half of that of one large hole, so that the two small holes have throttling phenomenon in actual operation, the resistance is increased when the piston moves, the propelling speed is influenced, the discharge in unit time is reduced, and the pressure of a hydraulic system is increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a two reciprocating pump that advance of single-bucket to the idle chamber of plunger pump working cylinder does not feed in the ejection of compact among the solution prior art, produces higher temperature easily, has caused the power waste simultaneously, and parallel bars list feeding plunger pump overall cost is higher, and the structure is more complicated, technical problem that the integration degree is low.
In order to realize the purpose, the technical scheme of the utility model is that:
a single barrel two in two out reciprocating pump comprising:
the main pump barrel is provided with openings at two ends and is hollow inside, and a piston slides inside the main pump barrel along the axial direction;
the auxiliary pump barrel is coaxially arranged with the main pump barrel, the auxiliary pump barrels are symmetrically arranged on two sides of the main pump barrel, an opening at one end of the auxiliary pump barrel is fixedly communicated with the end part of the main pump barrel, an end plate is sealed at the other end of the auxiliary pump barrel, a feeding hole and a discharging hole are formed in the annular surface of the auxiliary pump barrel, and any angle is formed between the feeding hole and the discharging hole;
the middle part of the feeding pipeline is provided with a material suction inlet, and two ends of the feeding pipeline are respectively connected with the feeding holes of the auxiliary pump barrels on two sides through feeding one-way valves;
the middle part of the discharge pipeline is provided with a material discharge port, and two ends of the discharge pipeline are respectively connected with discharge ports of the auxiliary pump barrels on two sides through discharge one-way valves;
the hydraulic cylinder and the main pump barrel are coaxially arranged beside the auxiliary pump barrel on one side, and the output end of the hydraulic cylinder is linked with the piston;
and the driving mechanism is used for controlling the hydraulic cylinder to act.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses the both ends opening of main pump bucket all is equipped with vice pump bucket, all is equipped with feed inlet and discharge gate on the vice pump bucket, and the feed inlet passes through feeding check valve and connects the charge-in pipeline, and the discharge gate passes through the discharge check valve and connects the ejection of compact pipeline, therefore when the internal piston moves, the pole chamber and the rodless chamber of main pump bucket can accomplish feeding and ejection of compact operation respectively simultaneously, have avoided the idle chamber not to feed the ejection of compact and have produced higher temperature easily, have reduced the power waste;
2. one end of the auxiliary pump barrel is connected with the port of the main pump barrel, and the material inlet and outlet are arranged on the ring surface of the auxiliary pump barrel, so that the whole end surface of the main pump barrel participates in the material inlet and outlet process during working, the fluid drift diameter is increased, the fluid resistance is reduced, the power loss is reduced, and the working efficiency of the pump is improved;
3. the feeding port and the discharging port of the ring surface of the auxiliary pump barrel of the utility model can be at any angle, the feeding port and the discharging port can be horizontally arranged, can be vertically arranged or at any other angle, and can be designed at will according to the working condition requirement;
4. the main pump barrel has higher requirements on material selection, inner hole precision, inner hole hardness, inner hole roughness, wear resistance, corrosion resistance and the like, so the processing difficulty and the cost are higher; and the requirement of vice pump barrel is just lower, consequently the utility model discloses divide into main, vice pump barrel with whole pump barrel, can come reduce cost through the processing of simplifying vice pump barrel.
On the basis of the above scheme, the utility model discloses can also do following improvement:
furthermore, the pneumatic cylinder and one side be equipped with the square chest between the vice pump barrel, a square chest terminal surface and one side the end plate of vice pump barrel is fixed, another terminal surface with the pneumatic cylinder is fixed, the output of pneumatic cylinder inserts inside the square chest, and the output tip has coaxial piston rod through the coupling joint, the piston rod tip insert in the main pump barrel with piston fixed connection.
Through adopting above-mentioned scheme, the output of pneumatic cylinder does not directly enter main pump barrel in, but through the coupling joint piston rod, the piston rod is fixed with the piston by vice pump barrel end plate inserts in the main pump barrel, and the square chest plays the effect of supporting pneumatic cylinder output and piston rod simultaneously, therefore the normal work of pneumatic cylinder can not be influenced to the interior operating mode of main pump barrel and vice pump barrel, and the material can not exist simultaneously and permeate the inside condition of pneumatic cylinder by the gap, guarantees the normal work of pneumatic cylinder.
Furthermore, actuating mechanism includes oil tank, oil pump and motor, the motor control the oil pump by oil absorption in the oil tank, the oil pump output passes through the electromagnetic directional valve and connects the action of pneumatic cylinder control pneumatic cylinder.
Furthermore, the driving mechanism further comprises a rack, the oil tank is arranged in the middle of the surface of the rack, the oil pump and the motor are arranged on one side of the surface of the rack, the square box is fixed on the top surface of the oil tank, the hydraulic cylinder is arranged above the motor, and the hydraulic cylinder is fixed with the square box; the main pump barrel and the auxiliary pump barrel are arranged above the other side of the surface of the rack, and the auxiliary pump barrel on one side is fixed with the square box.
By adopting the scheme, the driving mechanism, the hydraulic cylinder, the main pump barrel and the auxiliary pump barrel are all arranged on the frame, the structure is compact, the integration degree is high, the integrated design enables the whole machine type to be compact, and the occupied area is less than one third of that of the traditional double-barrel pump.
Furthermore, an output high-pressure tank is arranged on the other side of the surface of the rack, a material output port is formed in the side face of the output high-pressure tank, and the top face of the output high-pressure tank is connected with a material discharge port of the discharge pipeline.
Through adopting above-mentioned scheme, the material of storage ejection of compact pipeline is received to the output high-pressure tank, and the effect that the output high-pressure tank played support ejection of compact pipeline, ejection of compact check valve etc. simultaneously.
Furthermore, the driving mechanism further comprises an oil temperature air cooler for cooling oil in the oil tank.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic top view of the structure of fig. 1.
Shown in the figure:
1. a main pump barrel;
2. an auxiliary pump barrel; 201. an end plate; 202. a feed inlet; 203. a discharge port;
3. a feed conduit; 301. a material suction inlet;
4. a feed check valve;
5. a discharge pipeline; 501. a material discharge port;
6. a hydraulic cylinder;
7. a square box;
8. a coupling;
9. a piston rod;
10. an oil tank;
11. an oil pump;
12. a motor;
13. an electromagnetic directional valve;
14. a frame;
15. an output high-pressure tank; 1501. a material outlet;
16. an oil temperature air cooler;
17. and a discharge one-way valve.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience of description and simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
As shown in fig. 1 and 2, the single-barrel two-inlet two-outlet reciprocating pump provided by this embodiment includes a main pump barrel 1, an auxiliary pump barrel 2, a feeding pipeline 3, a discharging pipeline 5, a hydraulic cylinder 6 and a driving mechanism.
The main pump barrel 1 is provided with openings at two ends, the interior of the main pump barrel 1 is hollow, and a piston (not shown in the figure) slides in the axial direction inside the main pump barrel 1.
The auxiliary pump barrel 2 and the main pump barrel 1 are coaxially arranged, the auxiliary pump barrel 2 is symmetrically arranged on two sides of the main pump barrel 1, one end opening of the auxiliary pump barrel 2 is fixedly communicated with the end portion of the main pump barrel 1, and the other end of the auxiliary pump barrel is sealed with an end plate 201.
The ring surface of the auxiliary pump barrel 2 is provided with a feed inlet 202 and a discharge outlet 203, the feed inlet 202 and the discharge outlet 203 are both horizontally arranged, and 180 degrees are formed between the feed inlet 202 and the discharge outlet 203.
A material suction inlet 301 is arranged in the middle of the feeding pipeline 3, and two ends of the feeding pipeline are respectively connected with the feeding ports 202 of the auxiliary pump barrels 2 on two sides through the feeding one-way valve 4; the middle part of the discharging pipeline 5 is provided with a material discharging port 501, and the two ends of the discharging pipeline are respectively connected with the discharging ports 203 of the auxiliary pump barrels 2 at the two sides through the discharging one-way valves 17.
The hydraulic cylinder 6 and the main pump barrel 1 are coaxially arranged beside the auxiliary pump barrel 2 on one side, and the output end of the hydraulic cylinder 6 is linked with the piston.
Be equipped with square chest 7 between pneumatic cylinder 6 and the vice pump barrel 2 of one side, 7 terminal surfaces of square chest are fixed with the end plate 201 of the vice pump barrel 2 of one side, and another terminal surface is fixed with pneumatic cylinder 6, and the output of pneumatic cylinder 6 inserts inside square chest 7, and the output tip is connected with coaxial piston rod 9 through shaft coupling 8, and piston rod 9 tip inserts in the main pump barrel 1 with piston fixed connection.
The output end of the hydraulic cylinder 6 does not directly enter the main pump barrel 1, but is connected with the piston rod 9 through the coupler 8, the piston rod 9 is inserted into the main pump barrel 1 through the end plate 201 of the auxiliary pump barrel 2 and is fixed with the piston, and meanwhile, the square box 7 plays a role in supporting the output end of the hydraulic cylinder 6 and the piston rod 9, so that the normal work of the hydraulic cylinder 6 cannot be influenced by the working conditions in the main pump barrel 1 and the auxiliary pump barrel 2.
The driving mechanism comprises an oil tank 10, an oil pump 11 and a motor 12, the motor 12 controls the oil pump 11 to absorb oil from the oil tank 10, and the output end of the oil pump 11 is connected with the hydraulic cylinder 6 through an electromagnetic directional valve 13 to control the hydraulic cylinder 6 to act.
The driving mechanism further comprises a rack 14 and an oil temperature air cooler 16, the oil tank 10 is arranged in the middle of the surface of the rack 14, the oil pump 11 and the motor 12 are arranged on one side of the surface of the rack 14, the square box 7 is fixed on the top surface of the oil tank 10, the hydraulic cylinder 6 is arranged above the motor 12, and the hydraulic cylinder 6 and the square box 7 are fixed; the main pump barrel 1 and the auxiliary pump barrel 2 are arranged above the other side of the surface of the rack 14, the auxiliary pump barrel 2 on one side is fixed with the square box 7, and the oil temperature air cooler 16 is arranged at one end of the oil tank 10 and used for cooling oil in the oil tank 10.
The driving mechanism, the hydraulic cylinder 6, the main pump barrel 1 and the auxiliary pump barrel 2 are all arranged on the frame 14, the structure is compact, the integration degree is high, the integrated design enables the whole machine type to be compact, and the occupied area is less than one third of that of the traditional double-barrel pump.
The other side of the surface of the frame 14 is provided with an output high-pressure tank 15, the side surface of the output high-pressure tank 15 is provided with a material outlet 1501, and the top surface of the output high-pressure tank 15 is connected with a material outlet 501 of the discharge pipeline 5.
The output high-pressure tank 15 receives the material stored in the discharge pipeline 5, and the output high-pressure tank 15 plays a role in supporting the discharge pipeline 5, the discharge one-way valve 17 and the like.
In the embodiment, the openings at two ends of the main pump barrel 1 are respectively provided with the auxiliary pump barrels 2, the auxiliary pump barrels 2 are respectively provided with the feeding ports 202 and the discharging ports 203, the feeding ports 202 are connected with the feeding pipeline 3 through the feeding one-way valve 4, and the discharging ports 203 are connected with the discharging pipeline 5 through the discharging one-way valve 17, so that when an internal piston acts, a rod cavity and a rodless cavity of the main pump barrel 1 can simultaneously and respectively complete feeding and discharging operations, the phenomenon that the reactive cavity is not fed and discharged, higher temperature is easily generated, and power waste is reduced;
in the embodiment, one end of the auxiliary pump barrel 2 is connected with the port of the main pump barrel 1, and the material inlet and outlet 203 is arranged on the ring surface of the auxiliary pump barrel 2, so that the whole end surface of the main pump barrel 1 participates in the material inlet and outlet process during working, the fluid path diameter is increased, the fluid resistance is reduced, the power loss is reduced, and the working efficiency of the pump is improved;
in the embodiment, any angle can be formed between the feeding port 202 and the discharging port 203 of the ring surface of the auxiliary pump barrel 2, the feeding port 202 and the discharging port 203 can be horizontally arranged or vertically arranged or arranged at any other angle, and the design can be carried out at will according to the working condition requirements;
the main pump barrel 1 has higher requirements on material selection, inner hole precision, inner hole hardness, inner hole roughness, wear resistance, corrosion resistance and the like, so the processing difficulty and the cost are higher; the requirement of the auxiliary pump barrel 2 is lower, the whole pump barrel is divided into the main pump barrel 1 and the auxiliary pump barrel 2, and the cost can be reduced by simplifying the processing of the auxiliary pump barrel.
In the specification of the present invention, a large number of specific details are explained. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (6)
1. A single barrel two-in two-out reciprocating pump, comprising:
the main pump barrel is provided with openings at two ends and is hollow inside, and a piston slides inside the main pump barrel along the axial direction;
the auxiliary pump barrel is coaxially arranged with the main pump barrel, the auxiliary pump barrels are symmetrically arranged on two sides of the main pump barrel, an opening at one end of the auxiliary pump barrel is fixedly communicated with the end part of the main pump barrel, an end plate is sealed at the other end of the auxiliary pump barrel, a feeding hole and a discharging hole are formed in the annular surface of the auxiliary pump barrel, and any angle is formed between the feeding hole and the discharging hole;
the middle part of the feeding pipeline is provided with a material suction inlet, and two ends of the feeding pipeline are respectively connected with the feeding holes of the auxiliary pump barrels on two sides through feeding one-way valves;
the middle part of the discharge pipeline is provided with a material discharge port, and two ends of the discharge pipeline are respectively connected with discharge ports of the auxiliary pump barrels on two sides through discharge one-way valves;
the hydraulic cylinder and the main pump barrel are coaxially arranged beside the auxiliary pump barrel on one side, and the output end of the hydraulic cylinder is linked with the piston;
and the driving mechanism is used for controlling the hydraulic cylinder to act.
2. The single-barrel two-inlet two-outlet reciprocating pump as claimed in claim 1, wherein a square box is arranged between the hydraulic cylinder and the auxiliary pump barrel on one side, one end face of the square box is fixed with an end plate of the auxiliary pump barrel on one side, the other end face of the square box is fixed with the hydraulic cylinder, the output end of the hydraulic cylinder is inserted into the square box, the end part of the output end is connected with a coaxial piston rod through a coupler, and the end part of the piston rod is inserted into the main pump barrel and fixedly connected with the piston.
3. The single-barrel two-inlet two-outlet reciprocating pump as claimed in claim 2, wherein the driving mechanism comprises an oil tank, an oil pump and a motor, the motor controls the oil pump to suck oil from the oil tank, and the output end of the oil pump is connected with the hydraulic cylinder through an electromagnetic directional valve to control the action of the hydraulic cylinder.
4. The single-barrel two-in two-out reciprocating pump of claim 3, wherein the driving mechanism further comprises a frame, the oil tank is arranged in the middle of the surface of the frame, the oil pump and the motor are arranged on one side of the surface of the frame, the square box is fixed on the top surface of the oil tank, the hydraulic cylinder is arranged above the motor, and the hydraulic cylinder is fixed with the square box; the main pump barrel and the auxiliary pump barrel are arranged above the other side of the surface of the rack, and the auxiliary pump barrel on one side is fixed with the square box.
5. The single-barrel two-in two-out reciprocating pump as claimed in claim 4, wherein an output high-pressure tank is arranged on the other side of the surface of the frame, a material outlet is arranged on the side surface of the output high-pressure tank, and the top surface of the output high-pressure tank is connected with the material outlet of the discharge pipeline.
6. The single barrel two in two out reciprocating pump of claim 3 wherein said drive mechanism further comprises an oil temperature air cooler for cooling oil in said oil tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021063269.1U CN212508680U (en) | 2020-06-10 | 2020-06-10 | Single-barrel two-inlet two-outlet reciprocating pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021063269.1U CN212508680U (en) | 2020-06-10 | 2020-06-10 | Single-barrel two-inlet two-outlet reciprocating pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212508680U true CN212508680U (en) | 2021-02-09 |
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ID=74394862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021063269.1U Active CN212508680U (en) | 2020-06-10 | 2020-06-10 | Single-barrel two-inlet two-outlet reciprocating pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212508680U (en) |
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2020
- 2020-06-10 CN CN202021063269.1U patent/CN212508680U/en active Active
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