CN210290032U - Reciprocating radial two-inlet two-outlet pump - Google Patents

Abstract

The utility model discloses a reciprocal radial two are advanced two and are gone out pump, including charge-in pipeline, ejection of compact pipeline and a pair of main pump bucket, the coaxial interval of main pump bucket sets up, and the inside piston along axial reciprocating motion that is equipped with of main pump bucket, be equipped with between a pair of main pump bucket and be used for control piston reciprocating motion's actuating mechanism, the main pump bucket orientation an actuating mechanism side is equipped with interior end cap, and the another side is equipped with vice pump bucket, vice pump bucket terminal surface pass through the flange with main pump bucket port intercommunication is fixed, and another terminal surface is equipped with outer end cap, radial feed inlet and radial discharge gate have been seted up to vice pump bucket anchor ring, radial feed inlet and radial discharge gate are arbitrary angle each other, and radial feed inlet and radial discharge gate control business turn over material control mechanism connect charge-in pipeline and ejection of compact pipeline. The utility model discloses the structure is more reasonable, and the cost is lower, can effectively avoid welding stress and cantilever vibration that the axial three-way pipe brought, improves the intensity of whole pump, reduces vibration and noise in the pump working process.

Description

Reciprocating radial two-inlet two-outlet pump

Technical Field

The utility model relates to a raw materials delivery pump technical field, concretely relates to two pumps of reciprocating radial two advances.

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 conventional reciprocating radial two-inlet and two-outlet pump has the following general structure: working cylinders are arranged on two sides of the power cylinder, a hydraulic driving rod is arranged in the power cylinder, pistons are fixed after two ends of the hydraulic driving rod are inserted into the working cylinders, and the end parts of rodless cavities of the working cylinders are communicated with an axial feeding and discharging three-way pipe and are respectively communicated with a feeding pipeline and a discharging pipeline through the axial three-way pipe. The main problems of the existing design are as follows: 1. the axial three-way pipe is complex to manufacture and high in cost; 2. welding stress is generated in the welding process of the axial three-way pipe and the end cover of the rodless cavity of the working cylinder, the structural strength and stability are influenced, and the vibration amplitude and noise in the working process of the reciprocating pump are increased; 3. two ports of the axial three-way pipe are respectively connected with the feeding pipeline and the discharging pipeline through the one-way valve, the feeding pipeline and the discharging pipeline are only fixed on the one-way valve, the connection strength of the axial three-way pipe and the one-way valve is not high, a cantilever effect is formed, the one-way valve vibrates frequently in the working process, the vibration is transmitted to the whole pump body and the pipeline through a cantilever, the vibration of a larger amplitude is caused, and the service life of the whole reciprocating pump is influenced.

Therefore, it is necessary to develop a new type of reciprocating radial two-in two-out pump.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a two pumps of reciprocating radial two-in, this two pumps of reciprocating radial two-in structure is more reasonable, and the cost is lower, can effectively avoid welding stress and cantilever vibration that the axial three-way pipe brought, improves the intensity of monoblock pump, reduces vibration and noise in the pump working process.

In order to realize the purpose, the technical scheme of the utility model is that:

the utility model provides a two pump that go out of reciprocal radial two, includes charge-in pipeline, ejection of compact pipeline and a pair of main pump bucket, the coaxial interval of main pump bucket sets up, and the inside piston along axial reciprocating motion that is equipped with of main pump bucket, be equipped with between a pair of main pump bucket and be used for control piston reciprocating motion's actuating mechanism, the main pump bucket orientation actuating mechanism side is equipped with interior end cap, and another side is equipped with vice pump bucket, vice pump bucket a terminal surface pass through the flange with main pump bucket port intercommunication is fixed, and another terminal surface is equipped with outer end cap, radial feed inlet and radial discharge gate have been seted up to vice pump bucket anchor ring, radial feed inlet and radial discharge gate are arbitrary angle each other, and radial feed inlet and radial discharge gate pass through business turn over material control mechanism and connect charge-in pipeline and ejection of.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the outer port of the main pump barrel of the utility model is directly communicated with one side face of the auxiliary pump barrel through the flange, and the original axial three-way pipe which is relatively complex to manufacture is omitted, so that the welding stress generated by welding the axial three-way pipe and the end cover of the sealing head is avoided, and the cantilever vibration generated by the check valves arranged on the feeding pipeline and the discharging pipeline at the two outer ends of the main pump barrel is eliminated;

2. the auxiliary pump barrel replaces the existing welding structure of the end cover and the axial three-way pipe, the structure of the pump is simple, the manufacture and the assembly are simpler, and the maintenance is more convenient;

3. the utility model discloses a vice pump bucket business turn over material has increased the fluid latus rectum, reduces the fluid resistance, reduces power loss, improves the work efficiency of pump.

The utility model discloses a further improvement scheme as follows:

furthermore, actuating mechanism is including setting up the connection cylinder body between a pair of main pump barrel, connect cylinder body both ends face with interior end cover is fixed, and connects the inside hydraulic drive pole that is equipped with along the axial of cylinder body, hydraulic drive pole both ends pass respectively connect cylinder body terminal surface and interior end cover insert in the main pump barrel with the piston is fixed, it is equipped with the hydraulic fluid port that is used for controlling to connect the cylinder body global hydraulic drive pole reciprocating motion.

By adopting the scheme, the oil pressure in the cylinder body is controlled and connected through the oil port, the reciprocating motion of the hydraulic driving rod is controlled, and the feeding and discharging operation is completed.

Furthermore, the auxiliary pump barrel and the main pump barrel are coaxially arranged and have the same caliber.

Furthermore, the feeding and discharging control mechanism comprises a feeding one-way valve and a discharging one-way valve, and the radial feeding hole and the radial discharging hole are respectively connected with the feeding pipeline and the discharging pipeline through the feeding one-way valve and the discharging one-way valve.

By adopting the scheme, the feeding one-way valve and the discharging one-way valve ensure that the fluid is stably subjected to the sequencing batch feeding and discharging procedures.

Further, ejection of compact check valve sets up top one side of main pump barrel, the ejection of compact pipeline sets up along the axial main pump barrel top, charge-in pipeline sets up main pump barrel below opposite side, radial feed inlet and radial discharge gate are seted up respectively the both sides of interior vice pump barrel, and radial feed inlet and radial discharge gate are 180 degrees each other, radial discharge gate through 90 degrees elbow with ejection of compact check valve intercommunication, ejection of compact check valve pass through the flange with ejection of compact pipeline intercommunication, radial feed inlet pass through the flange with the feeding check valve intercommunication, the import of feeding check valve with the charge-in pipeline intercommunication.

Through adopting above-mentioned scheme, with ejection of compact pipeline setting in main pump bucket top, the charge-in pipeline setting is in main pump bucket below one side, connects radial discharge gate and first ejection of compact check valve and second ejection of compact check valve through the elbow, the area of the reciprocating pump that significantly reduces, reduce cost.

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 left side view of fig. 1.

Fig. 3 is a top view of fig. 1.

Shown in the figure:

1. a feed conduit;

2. a discharge pipeline;

3. a main pump barrel; 301. an inner end cap;

4. a piston;

5. an auxiliary pump barrel; 501. an outer end cover; 502. a radial feed inlet; 503. a radial discharge port;

6. connecting the cylinder body; 601. an oil port;

7. a hydraulic drive rod;

8. a feed check valve;

9. a discharge one-way valve;

10. and (4) bending the pipe.

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.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

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 to 3, the reciprocating radial two-in two-out pump provided by this embodiment includes a feeding pipe 1, a discharging pipe 2 and a pair of main pump barrels 3, the main pump barrels 3 are coaxially arranged at intervals, a piston 4 axially reciprocating inside the main pump barrel 3 is arranged, a driving mechanism for controlling the reciprocating movement of the piston 4 is arranged between the pair of main pump barrels 3, an inner end cap 301 is arranged on one side surface of the main pump barrel 3 facing the driving mechanism, and an auxiliary pump barrel 5 is arranged on the other side surface of the main pump barrel.

The driving mechanism comprises a connecting cylinder body 6 arranged between a pair of main pump barrels 3, two end faces of the connecting cylinder body 6 are fixed with an inner end cover 301, a hydraulic driving rod 7 is arranged inside the connecting cylinder body 6 along the axial direction, two ends of the hydraulic driving rod 7 penetrate through the end face of the connecting cylinder body 6 and the inner end cover 301 respectively and are inserted into the main pump barrels 3 to be fixed with the pistons 4, and oil ports 601 used for controlling the reciprocating motion of the hydraulic driving rod 7 are formed in the circumferential surface of the connecting cylinder body 6.

The oil pressure in the cylinder body 6 is controlled and connected through the oil port 601, the reciprocating motion of the hydraulic driving rod 7 is controlled, and the feeding and discharging operation is completed.

The auxiliary pump barrel 5 and the main pump barrel 3 are coaxially arranged and have the same caliber. One end face of the auxiliary pump barrel 5 is fixedly communicated with the port of the main pump barrel 3 through a flange, the other end face is provided with an outer end cover 501, the ring face of the auxiliary pump barrel 5 is provided with a radial feed inlet 502 and a radial discharge outlet 503, and the radial feed inlet 502 and the radial discharge outlet 503 are connected with a feed pipeline 1 and a discharge pipeline 2 through a feed and discharge control mechanism.

The feeding and discharging control mechanism comprises a feeding one-way valve 8 and a discharging one-way valve 9, the radial feeding port 502 and the radial discharging port 503 are respectively connected with the feeding pipeline 1 and the discharging pipeline 2 through the feeding one-way valve 8 and the discharging one-way valve 9, and the feeding one-way valve 8 and the discharging one-way valve 9 ensure that fluid is stable to carry out sequential feeding and discharging procedures.

Ejection of compact check valve 9 sets up in main pump barrel 3 top one side, ejection of compact pipeline 2 sets up in main pump barrel 3 top along the axial, charge-in pipeline 1 sets up in main pump barrel 3 below opposite side, radial feed inlet 502 and radial discharge gate 503 set up respectively in the both sides of interior auxiliary pump barrel 5, and radial feed inlet 502 and radial discharge gate 503 are 180 degrees each other, radial discharge gate 503 communicates with ejection of compact check valve 9 through 90 degrees elbow 10, ejection of compact check valve 9 passes through flange and ejection of compact pipeline 2 intercommunication, radial feed inlet 502 passes through flange and 8 intercommunications of feeding check valve, 8 import and 1 intercommunication of charge-in pipeline of feeding check valve.

With ejection of compact pipeline 2 setting in main pump bucket 3 top, charge-in pipeline 1 sets up in main pump bucket 3 below one side, connects radial discharge gate 503 and first ejection of compact check valve 9 and second ejection of compact check valve 9 through elbow 10, the area of the reciprocating pump that significantly reduces, reduce cost.

In the embodiment, the outer port of the main pump barrel 3 is directly communicated with one side surface of the auxiliary pump barrel 5 through the flange, and an original complicated axial three-way pipe is omitted, so that welding stress generated by welding the axial three-way pipe and a seal head end cover is avoided, and cantilever vibration generated by check valves arranged on a feeding pipeline 1 and a discharging pipeline 2 at the two outer ends of the main pump barrel 3 is eliminated;

in the embodiment, the auxiliary pump barrel 5 replaces the existing welding structure of the end cover and the axial three-way pipe, so that the pump has the advantages of simple structure, simpler manufacture and assembly and more convenient maintenance;

this embodiment passes through 5 business turn over materials of vice pump barrel, has increased the fluid latus rectum, reduces the fluid resistance, reduces power loss, improves the work efficiency of pump.

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 (5)

1. The utility model provides a two pump that go out of reciprocal radial two, a serial communication port, including charge-in pipeline, ejection of compact pipeline and a pair of main pump bucket, the coaxial interval of main pump bucket sets up, and the inside piston along axial reciprocating motion that is equipped with of main pump bucket, be equipped with between a pair of main pump bucket and be used for control piston reciprocating motion's actuating mechanism, the main pump bucket orientation actuating mechanism side is equipped with interior end cap, and another side is equipped with vice pump bucket, vice pump bucket a terminal surface pass through the flange with main pump bucket port intercommunication is fixed, and another terminal surface is equipped with outer end cap, radial feed inlet and radial discharge gate have been seted up to vice pump bucket anchor ring, radial feed inlet and radial discharge gate are arbitrary angle each other, and radial feed inlet and radial discharge gate are connected through business turn over material control mechanism charge-in pipeline and ejection of.

2. The reciprocating radial two-in and two-out pump as claimed in claim 1, wherein the driving mechanism comprises a connecting cylinder disposed between the pair of main pump barrels, two end faces of the connecting cylinder are fixed to the inner end caps, a hydraulic driving rod is disposed inside the connecting cylinder along an axial direction, two ends of the hydraulic driving rod respectively penetrate through the end faces of the connecting cylinder and the inner end caps and are inserted into the main pump barrels to be fixed to the pistons, and oil ports for controlling the reciprocating movement of the hydraulic driving rod are disposed on the circumferential surface of the connecting cylinder.

3. A reciprocating radial two-in two-out pump according to claim 1, wherein the secondary pump barrel is coaxially arranged with the primary pump barrel with the same bore diameter.

4. The reciprocating radial two-in two-out pump according to claim 1, wherein the feed and discharge control mechanism comprises a feed check valve and a discharge check valve, and the radial feed port and the radial discharge port are respectively connected with the feed pipeline and the discharge pipeline through the feed check valve and the discharge check valve.

5. The reciprocating radial two-inlet two-outlet pump according to claim 4, wherein the discharge check valve is arranged on one side above the main pump barrel, the discharge pipeline is axially arranged above the main pump barrel, the feed pipeline is arranged on the other side below the main pump barrel, the radial feed inlet and the radial discharge outlet are respectively arranged on two sides of the auxiliary pump barrel, the radial feed inlet and the radial discharge outlet are 180 degrees, the radial discharge outlet is communicated with the discharge check valve through a 90-degree elbow, the discharge check valve is communicated with the discharge pipeline through a flange, the radial feed inlet is communicated with the feed check valve through a flange, and an inlet of the feed check valve is communicated with the feed pipeline.

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