CN114278554A - Integrated device of plunger pump - Google Patents
Integrated device of plunger pump Download PDFInfo
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- CN114278554A CN114278554A CN202111543105.8A CN202111543105A CN114278554A CN 114278554 A CN114278554 A CN 114278554A CN 202111543105 A CN202111543105 A CN 202111543105A CN 114278554 A CN114278554 A CN 114278554A
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Abstract
The invention discloses an integrated device of a plunger pump, which comprises a pump body and a plunger cavity arranged in the pump body, wherein a self-cooling plunger is arranged in the plunger cavity, the self-cooling plunger is used for exchanging heat in the reciprocating motion process and comprises a stroke driving device, a composite plunger and a limiting block, the self-cooling plunger utilizes the stroke driving device to drive the composite plunger to reciprocate in a plunger cavity to pump liquid, and the stroke driving device is used for driving the composite plunger, so that pressure is generated when the composite plunger is in contact with the limiting block to drive cooling liquid inside the composite plunger to circularly flow, and the cooling liquid circularly flows in the process of exchanging heat, thereby improving the heat dissipation effect of the composite plunger, and avoiding the problem that the service life is shortened due to the aggravation of abrasion between the accumulated heat and the inner wall of the plunger cavity in the reciprocating motion process of the composite plunger.
Description
Technical Field
The invention relates to the technical field of plunger pumps, in particular to an integrated device of a plunger pump.
Background
The plunger pump is an important device in a hydraulic system, changes the volume of a sealed working cavity to absorb and press oil by means of reciprocating motion of a plunger in a cylinder body, has the advantages of high rated pressure, compact structure, high efficiency, convenience in flow regulation and the like, and is widely applied to occasions where high pressure, large flow and flow need to be regulated, such as hydraulic machines, engineering machinery, ships and the like.
In the use of plunger pump, the plunger reciprocating motion and with carry liquid contact in the plunger chamber, thereby the high-speed motion of plunger produces a large amount of heats with rubbing between the plunger chamber, and a large amount of heats of plunger accumulation can lead to life to shorten, current plunger pump generally can only rely on the spontaneous heat dissipation of air or outside fin guide heat dissipation, it is relatively poor to the radiating effect of the heat of accumulation in the plunger, the wearing and tearing of plunger have been aggravated, influence the normal life of plunger, therefore, need design the integrated device of a plunger pump.
Disclosure of Invention
The invention aims to provide an integrated device of a plunger pump, which solves the problem that the service life of a plunger is shortened due to the fact that a large amount of heat is accumulated in the reciprocating motion process of the plunger in the conventional plunger pump and cannot be effectively radiated.
In order to solve the technical problems, the invention specifically provides the following technical scheme:
an integrated device of a plunger pump comprises a pump body and a plunger cavity arranged in the pump body, wherein a self-cooling plunger is arranged in the plunger cavity and used for exchanging heat during reciprocating motion;
the self-cooling plunger comprises a stroke driving device, a composite plunger and two limiting blocks, wherein the stroke driving device is arranged in the pump body, the composite plunger is arranged in the plunger cavity, and the two limiting blocks are arranged at the positions, located at the two ends of the stroke range of the composite plunger, in the plunger cavity;
the composite plunger is driven by the stroke driving device to reciprocate along the plunger cavity, and generates pressure to drive the cooling liquid inside to flow when contacting with the limiting block.
As a preferred scheme of the invention, the composite plunger comprises an outer layer plunger, an inner layer piston and a circulating liquid cooling structure, wherein the outer layer plunger is connected with the inner wall of a plunger cavity in a sliding manner, the inner layer piston is sleeved in the outer layer plunger in a sliding manner and is connected with the stroke driving device, and the circulating liquid cooling structure is arranged in the outer layer plunger;
the circulating liquid cooling structure is used for exchanging heat for heat dissipation when the inner-layer piston moves in the outer-layer plunger.
As a preferable scheme of the invention, the outer-layer plunger comprises a cylinder body in sliding connection with the inner wall of the plunger cavity, a cylinder groove in sliding sealing connection with the inner-layer piston is arranged at one end, close to the stroke driving device, of the cylinder body, a plurality of guide grooves are axially arranged on the inner side wall of the cylinder groove, the plurality of guide grooves are jointly in sliding connection with the inner-layer piston, and the circulating liquid cooling structure is arranged in the inner side wall of the cylinder groove.
As a preferable scheme of the present invention, the guide groove includes a main groove body and two side wing grooves, the main groove body is disposed on an inner side wall of the cylindrical groove along an axial direction of the cylinder, the two side wing grooves are disposed on two inner side walls of the main groove body parallel to an axis of the cylinder, respectively, and the inner piston is slidably connected to the main groove body and the side wing grooves.
As a preferable scheme of the present invention, the inner layer piston includes a sliding column in sliding sealing connection with the inner wall of the cylindrical groove, a circulating spring is commonly disposed between an end of the sliding column and the inner bottom of the cylindrical groove, a plurality of strip-shaped intermediate plates slidably connected with the corresponding inner part of the main groove are disposed on the periphery of the sliding column, each strip-shaped intermediate plate is provided with a sliding wing slidably connected with the inner wall of the side groove, and the stroke driving device is connected with the end of the sliding column.
As a preferable mode of the present invention, the sliding column includes a main sliding column and a side branch sliding column, the main sliding column is slidably connected in the main groove body, the side branch sliding column is provided with two side branch sliding grooves, and the two side branch sliding grooves are arranged on the main sliding column along the axial direction of the main sliding column and are located on the circumferential side surface of the main sliding column outside the main groove body, and the pump body is provided with two side branch sliding grooves slidably connected with the corresponding side branch sliding columns along the central line direction of the cylindrical groove.
As a preferable scheme of the present invention, the circulating liquid cooling structure includes a liquid inlet and a liquid outlet disposed on an inner side wall of the cylindrical groove, the liquid inlet and the liquid outlet are both communicated with a one-way passage disposed in the inner side wall of the cylindrical groove, the two one-way passages are commonly connected to a circulating assembly disposed inside the inner side wall of the cylindrical groove and used for circulating a cooling liquid, and the liquid inlet and the liquid outlet are disposed on the inner side wall of the cylindrical groove at positions close to an inner bottom portion, and the two one-way passages are opened when the circulating spring deforms and commonly restrict the cooling liquid from circulating and flowing in the same direction.
As a preferable scheme of the present invention, the circulation component includes two spiral channels spirally disposed in the inner side wall of the cylindrical groove and communicated with the outside of the cylindrical body with the axis of the cylindrical body as a spiral center, each spiral channel is communicated with the corresponding one-way channel, one end of each spiral channel communicated with the outside of the cylindrical body is connected to extension pipes respectively disposed on the two connecting rods along the axial direction of the cylindrical body, an end of each extension pipe is provided with a circulation pipe along a direction perpendicular to the axial direction of the cylindrical body, and a casing of the pump body is provided with a heat dissipation chamber communicated with the two circulation pipes through a hose.
As a preferred aspect of the present invention, a plurality of heat dissipation fins for assisting heat dissipation are provided on the outer side wall of the pump body in the region of the heat dissipation chamber.
As a preferable scheme of the present invention, the one-way passage includes a connection passage disposed in an inner side wall of the cylindrical groove, a guide post is disposed on an inner wall of the connection passage along an axial direction of the connection passage, a sealing spring is sleeved on the guide post, a spherical sealing block is fixedly connected to the sealing spring, and a sealing ring that seals the connection passage against the spherical sealing block is disposed in the connection passage.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the stroke driving device is used for driving the composite plunger to reciprocate in the plunger cavity to pump liquid, and the stroke driving device is used for driving the composite plunger to drive the composite plunger, so that pressure is generated when the composite plunger is in contact with the limiting block to drive cooling liquid in the composite plunger to circularly flow, and the cooling liquid circularly flows in the process of exchanging heat, thus the heat dissipation effect of the composite plunger is improved, and the problem that the service life is shortened due to the fact that the composite plunger is abraded and aggravated by heat accumulated in the reciprocating process and the inner wall of the plunger cavity is solved.
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 description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
Fig. 1 is a schematic structural diagram of an integrated device of a plunger pump according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a portion of a self-cooling plunger according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a portion of a composite plunger according to an embodiment of the present invention;
fig. 4 is an axial structural diagram of an inner-layer piston according to an embodiment of the present invention.
The reference numerals in the drawings denote the following, respectively:
1-a pump body; 2-plunger cavity; 3-self cooling type plunger;
301-stroke drive means; 302-composite plunger; 303-a limiting block; 304-an outer plunger; 305 — inner piston; 306-a circulating liquid cooling structure; 307-column; 308-cylindrical grooves; 309-a guide groove; 310-main trough body; 311-flank trough; 312-sliding post; 313-a cyclic spring; 314-bar shaped intermediate plate; 315-sliding wing; 316-main strut; 317-side branch sliding column; 318-link; 319-collateral runners; 320-liquid inlet; 321-a liquid outlet; 322-one-way channel; 323-a circulation component; 324-a helical channel; 325-epitaxial pipe; 326-a circulation conduit; 327-a hose; 328-a heat dissipation cavity; 329-a heat sink; 330-connecting channel; 331-a guide post; 332-a sealing spring; 333-spherical sealing block; 334-sealing ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
As shown in fig. 1 to 4, the present invention provides an integrated device of a plunger pump, comprising a pump body 1 and a plunger cavity 2 arranged inside the pump body 1, wherein a self-cooling plunger 3 is arranged inside the plunger cavity 2, and the self-cooling plunger 3 is used for exchanging heat during reciprocating motion;
the self-cooling plunger 3 comprises a stroke driving device 301, a composite plunger 302 and limiting blocks 303, wherein the stroke driving device 301 is arranged in the pump body 1, the composite plunger 302 is arranged in the plunger cavity 2, and the two limiting blocks 303 are arranged at two ends of the stroke range of the composite plunger 302 in the plunger cavity 2;
the composite plunger 302 is driven by the stroke driving device 301 to reciprocate along the plunger cavity 2, and generates pressure to drive the cooling liquid inside to flow when contacting with the limiting block 303.
In use, the self-cooling plunger 3 reciprocates within the plunger cavity 2 to provide the motive force for pumping the liquid.
The stroke driving device 301 is used for providing power for the movement of the composite plunger 302, so that the composite plunger 302 reciprocates in the plunger cavity 2 to pump liquid, and when the composite plunger 302 abuts against the limiting block 303, pressure is generated under the action of the stroke driving device 301 to drive cooling liquid inside the composite plunger 302 to flow to exchange heat for heat dissipation, the heat dissipation effect of the composite plunger 302 is improved, and the problem that the service life of the composite plunger 302 is shortened due to the fact that a large amount of heat is accumulated in the reciprocating movement process of the composite plunger 302, and is aggravated by abrasion is avoided.
In the invention, the stroke driving device 301 of the pump body 1 is used for generating pushing force to the composite plunger 302 to generate pressure, so that the embedding of additional power equipment is avoided, and the integration level of the pump body 1 is improved.
The composite plunger 302 comprises an outer plunger 304, an inner piston 305 and a circulating liquid cooling structure 306, wherein the outer plunger 304 is connected with the inner wall of the plunger cavity 2 in a sliding manner, the inner piston 305 is sleeved in the outer plunger 304 in a sliding manner and is connected with the stroke driving device 301, and the circulating liquid cooling structure 306 is arranged inside the outer plunger 304;
wherein the circulating liquid cooling structure 306 is used for heat dissipation by exchanging heat when the inner piston 305 moves inside the outer piston 304.
When the composite plunger 302 is used, the stroke driving device 301 drives the inner layer piston 305 to move and drives the outer layer plunger 304 to reciprocate in the plunger cavity 2 to provide power for pumping liquid in and out of the pump body 1.
When outer plunger 304 offsets with stopper 303, inner piston 305 takes place the motion in outer plunger 304's inside under stroke drive arrangement 301's drive to the cooling liquid in the drive circulation liquid cooling structure 306 is at cyclic motion behind the heat of exchange in order to dispel the heat, has improved the continuous radiating effect of compound plunger 302 in reciprocating motion process, has avoided compound plunger 302 to accumulate a large amount of heats at reciprocating motion's in-process and has leaded to wearing and tearing aggravate the problem that shortens life.
Secondly, through the plurality of guide grooves 309 and the inner piston 305, the problem that the inner piston 305 rotates along the axis when driving the cylinder 307 to move, so that the abrasion between the cylinder 307 and the inner wall of the plunger cavity 2 is further increased is avoided.
And the guide groove 309 is provided to restrict the inner layer piston 305 from coming out of the cylindrical groove 308 and to restrict the movable range of the inner layer piston 305 within the cylindrical groove 308.
The guide groove 309 comprises a main groove body 310 and a lateral wing groove 311, the main groove body 310 is arranged on the inner side wall of the column groove 308 along the axial direction of the column 307, the lateral wing grooves 311 are arranged in two and are respectively arranged on the two inner side walls parallel to the axis of the column 307 on the main groove body 310, and the inner layer piston 307 is slidably connected in the main groove body 310 and the lateral wing groove 311.
The inner layer piston 305 comprises a sliding column 312 connected with the inner wall of the cylindrical groove 308 in a sliding and sealing mode, a circulating spring 313 is arranged between the end of the sliding column 312 and the bottom in the cylindrical groove 308, a plurality of strip-shaped intermediate plates 314 connected with the inner part of the corresponding main groove body 310 in a sliding mode are arranged on the peripheral side of the sliding column 312, sliding wings 315 connected with the inner wall of the side wing groove 311 in a sliding mode are arranged on each strip-shaped intermediate plate 314, and the stroke driving device 301 is connected with the end of the sliding column 312.
When the inner layer piston 305 is used, when the cylinder 307 abuts against the limit block 303, the sliding column 312 slides along the inside of the cylindrical groove 308 under the driving of the stroke driving device 301 and compresses the circulating spring 313, the sliding column 312 moves in the cylindrical groove 308 to change the volume of the space between the end of the sliding column 312 and the bottom in the cylindrical groove 308, so that the cooling liquid in the circulating liquid structure 306 driven by the generated gas pressure is circularly moved after heat exchange for heat dissipation, and the problem that the cylinder 307 is abraded and shortened in service life due to the fact that large heat is accumulated in the reciprocating motion process is avoided.
Secondly, through the bar intermediate lamella 314 and the main tank body 310 sliding connection that set up, the inside sliding connection of slip wing 315 and flank groove 311, both avoided taking place between cylinder 307 and the slip post 312 relative rotation and caused the problem of wearing and tearing aggravation between cylinder 307 and the plunger chamber 2 inner wall, secondly reduce and increase area of contact through the distance between slip wing 315 and the circulation liquid cooling structure 306, thereby guide the heat on the slip post 312 and exchange heat between the circulation liquid cooling structure 306, the radiating effect of slip post 312 has been improved, the problem that the in-process heat accumulation of slip post 312 in the motion of post groove 308 leads to life to shorten has been avoided.
The arrangement of the circulating spring 313 firstly generates a buffer effect on the sliding column 312 in the process that the sliding column 312 moves towards the bottom in the column-shaped groove 308, so as to avoid the sliding column 312 from damaging the bottom in the column-shaped groove 308, and secondly assists the resetting of the sliding column 312 in the process that the sliding column 312 moves away from the bottom in the column-shaped groove 308.
The sliding column 312 includes a main sliding column 316 and a side branch sliding column 317, the main sliding column 316 is slidably connected in the column groove 308, the side branch sliding column 317 is provided with two and is arranged on the main sliding column 316 along the axial direction of the main sliding column 316 through a connecting rod 318 and is located on the peripheral side surface of the main groove body 310, and two side branch sliding grooves 319 slidably connected with the corresponding side branch sliding column 317 are arranged in the pump body 1 along the central line direction of the column groove 308.
Through the sliding connection of the side branch sliding column 317 and the side branch sliding chute 319, the movement path of the main sliding column 316 is limited between the two side branch sliding columns 317 and the side branch sliding chute 319, so that the damage of the connection part of the main sliding column 316 and the stroke driving device 301 caused by the circular motion of the main sliding column 316 in the driving process of the stroke driving device 301 is avoided, and the stable motion of the sliding column 312 and the stable heat dissipation of the column body 307 are ensured.
The main spool 316 is slidably and sealingly connected to the cylindrical groove 308, and the end of the main spool 316 is connected to the stroke drive 301 to drive the cylinder 307 for pumping of liquid.
Further, the number of the side branch struts 317 may be two or more, and interference with other components inside the pump body 1 is avoided.
The circulating liquid cooling structure 306 comprises a liquid inlet 320 and a liquid outlet 321 which are arranged on the inner side wall of the cylindrical groove 308, the liquid inlet 320 and the liquid outlet 321 are communicated with one-way channels 322 which are arranged in the inner side wall of the cylindrical groove 308, the two one-way channels 322 are connected with a circulating assembly 323 which is arranged inside the inner side wall of the cylindrical groove 308 and used for cooling liquid to flow circularly, the liquid inlet 320 and the liquid outlet 321 are arranged on the inner side wall of the cylindrical groove 308 and close to the inner bottom, and the two one-way channels 322 are opened when the circulating spring 313 deforms and limit the cooling liquid to flow circularly along the same direction.
When the circulating liquid cooling structure 306 is used, the stroke driving device 301 drives the sliding column 312 to reciprocate in the column-shaped groove 308, so that the volume of the space between the end of the sliding column 312 and the bottom in the column-shaped groove 308 changes to generate gas pressure, and one of the one-way channels 322 is opened through the liquid inlet 320 and the liquid outlet 321.
When the sliding column 312 is gradually separated from the inner bottom of the column-shaped groove 308, negative pressure is generated in the column-shaped groove 308, the one-way passage 322 at the liquid inlet 320 is opened, and the cooling liquid enters the space between the column-shaped groove 308 and the sliding column 312 from the liquid inlet 320.
When the sliding column 312 is gradually close to the inner bottom of the column-shaped groove 308, the sliding seat 312 pushes the cooling liquid in the column-shaped groove 308 to close the one-way channel 322 at the liquid inlet 320 and open the one-way channel 322 at the liquid outlet 321, so that the cooling liquid in the column-shaped groove 308 flows, heat is exchanged between the cooling liquid in the circulating assembly 323 and the column 307, and then heat dissipation is continuously performed, and the problem that the service life is shortened due to aggravation of friction between the column 307 and the inner wall of the plunger cavity 2 caused by accumulation of a large amount of heat in the reciprocating process of the column 307 is avoided.
The circulation component 323 comprises two spiral channels 324 which are spirally arranged in the inner side wall of the cylindrical groove 308 by taking the axis of the cylinder 307 as a spiral center and are communicated with the outside of the cylinder 307, each spiral channel 324 is communicated with the corresponding one-way channel 322, one end of each spiral channel 324 communicated with the outside of the cylinder 307 is connected with an extension pipeline 325 which is respectively arranged on the two connecting rods 318 along the axial direction of the cylinder 307, the end part of each extension pipeline 325 is provided with a circulation pipeline 326 along the direction vertical to the axial direction of the cylinder 307, and the shell of the pump body 1 is provided with a heat dissipation cavity 328 which is communicated with the two circulation pipelines 326 through a hose 327.
In the use process of the circulation assembly 323, the cooling liquid enters the corresponding spiral channel 324 after passing through the one-way channel 322 of the liquid outlet 321, and then enters the inside of the heat dissipation cavity 328 after passing through the spiral channel 324, the extension pipe 325, the circulation pipe 326 and the hose 327, and the heat dissipation cavity 328 is used for storing the cooling liquid after exchanging heat, expanding the liquid area and dissipating heat by exchanging heat with air, so as to accelerate heat dissipation, and facilitate the cooling liquid to circularly flow and exchange heat with the column 307 for heat dissipation.
After heat is radiated, the cooling liquid in the heat radiation cavity 328 enters the corresponding circulation pipeline 326, the extension pipeline 325 and the spiral pipeline 324 through another hose 327 and then enters the cylindrical groove 308 through the one-way channel 322 and the liquid inlet 320 to form complete circulation, heat is fully exchanged between the column 307 and the flow of the cooling liquid in the two spiral pipelines 324, the heat radiation effect of the column 307 is ensured, and the problem that the service life is shortened due to the fact that the column 307 accumulates large heat in the reciprocating motion process and a friction clamp between the column 307 and the inner wall of the plunger cavity 2 is solved.
The spiral pipe 324 is arranged to enable the cooling liquid to completely wrap the cylinder 307 for heat absorption, and then the spiral pipe 324 has a long moving path when leaving the cylinder 307, so that heat can be absorbed as far as possible within the maximum heat absorption limit, and the heat absorption efficiency and the heat absorption effect are improved.
Secondly, because the extension pipe 325 and the column 307 are connected to each other to cause the extension pipe 325 and the circulation pipe 326 to move synchronously with the column 307, in order to avoid interference with other components in the pump body 1, the extension pipe 235 and the circulation pipe 326 are rigid pipes, such as PVC or metal pipes, and the circulation pipe 226 and the heat dissipation cavity 328 are connected by a hose 327, so that the circulation assembly 323 is prevented from being broken down to affect the heat dissipation of the column 307 during the movement of the circulation pipe 326 and the extension pipe 325 and the heat dissipation cavity 328. .
A plurality of cooling ribs 329 for assisting the heat dissipation are arranged on the outer side wall of the pump body 1 in the region of the heat dissipation chamber 328.
Through the arranged radiating fins 329, the cooling liquid in the radiating cavity 328 is accelerated to accelerate heat radiation, the temperature of the circulating cooling liquid is further reduced, and the radiating effect on the column 307 is improved.
The one-way passage 322 includes a connecting passage 330 disposed in the inner sidewall of the cylindrical groove 308, a guide post 331 is disposed on the inner wall of the connecting passage 330 along the axial direction of the connecting passage 330, a sealing spring 332 is sleeved on the guide post 331, a spherical sealing block 333 is fixedly connected to the sealing spring 332, and a sealing ring 334 which abuts against the spherical sealing block 333 and seals the connecting passage 330 is disposed in the connecting passage 330.
When the one-way channel 322 is used, the connecting channel 330 is respectively communicated with the liquid outlet 321 and the liquid inlet 320, when the sliding column 312 is far away from the bottom in the column-shaped groove 308, negative pressure is generated in the column-shaped groove 308, the spherical sealing block 333 at the liquid inlet 320 is separated from the sealing ring 334 to open the connecting channel 330 under the action of the negative pressure, the sealing spring 332 in the connecting channel 330 at the liquid inlet 320 is compressed, and the spherical sealing block 333 at the liquid outlet 321 is kept in contact with the sealing ring 334 under the action of the negative pressure, so that cooling liquid is unidirectionally sucked from the liquid inlet 320 in the column-shaped groove 308.
When the sliding column 312 approaches the inner bottom of the column-shaped groove 308, the sliding seat 312 pushes the cooling liquid to move, so that the spherical sealing block 333 at the liquid inlet 320 contacts the sealing ring 334 again to seal the connecting channel 330 under the action of the elastic force of the sealing spring 332 and the pushing force of the cooling liquid, so that the liquid inlet 320 is closed, the spherical sealing block 333 at the liquid outlet 321 compresses the sealing spring 332 under the pushing force of the cooling liquid to open the connecting channel 330, and the cooling liquid enters the spiral pipe 324 from the liquid outlet 321 through the connecting channel 330, so that the circulation of the cooling liquid is completed.
The guide post 331 is arranged to limit a path of the sealing spring 332 during deformation to ensure a straight line, so that the spherical sealing block 333 is prevented from being tightly attached to the sealing ring 334 to seal the connecting channel 330 during resetting, and a groove for the guide post 331 to enter is formed in one side, close to the guide post 331, of the spherical sealing block 333, so that the spherical sealing block 333 does not interfere with the guide post 331 during movement.
The above embodiments are only exemplary embodiments of the present application, and are not intended to limit the present application, and the protection scope of the present application is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present application and such modifications and equivalents should also be considered to be within the scope of the present application.
Claims (10)
1. The utility model provides an integrated device of plunger pump which characterized in that: the self-cooling type reciprocating pump comprises a pump body (1) and a plunger cavity (2) arranged in the pump body (1), wherein a self-cooling type plunger (3) is arranged in the plunger cavity (2), and the self-cooling type plunger (3) is used for exchanging heat in the reciprocating motion process;
the self-cooling plunger (3) comprises a stroke driving device (301), a composite plunger (302) and limiting blocks (303), wherein the stroke driving device (301) is arranged in the pump body (1), the composite plunger (302) is arranged in the plunger cavity (2), and the limiting blocks (303) are arranged at two positions at two ends of the stroke range of the composite plunger (302) in the plunger cavity (2);
the composite plunger (302) is driven by the stroke driving device (301) to reciprocate along the plunger cavity (2), and generates pressure to drive the cooling liquid inside to flow when contacting with the limiting block (303).
2. The integrated device of a plunger pump as claimed in claim 1, wherein: the composite plunger (302) comprises an outer-layer plunger (304), an inner-layer piston (305) and a circulating liquid cooling structure (306), the outer-layer plunger (304) is connected with the inner wall of the plunger cavity (2) in a sliding mode, the inner-layer piston (305) is sleeved in the outer-layer plunger (304) in a sliding mode and connected with the stroke driving device (301), and the circulating liquid cooling structure (306) is arranged inside the outer-layer plunger (304);
wherein the circulating liquid cooling structure (306) is used for exchanging heat for heat dissipation when the inner layer piston (305) moves in the outer layer plunger (304).
3. The integrated device of a plunger pump as claimed in claim 2, wherein: outer plunger (302) include with plunger chamber (2) inner wall sliding connection's cylinder (307), be close to on cylinder (307) the one end of stroke drive arrangement (301) be provided with inner piston (305) sliding seal connects's cylindrical groove (308), be provided with a plurality of guide ways (309) along the axial on the inside wall in cylindrical groove (308), and a plurality of guide way (309) jointly with inner piston (305) sliding connection, circulation liquid cooling structure (306) set up in the inside wall in cylindrical groove (308).
4. The integrated device of claim 3, wherein: guide way (309) include main cell body (310) and flank groove (311), main cell body (310) are followed the axial setting of cylinder (307) is in on the inside wall of column groove (308), flank groove (311) are provided with two and set up respectively main cell body (310) go up with on two inside walls that cylinder (307) axis is parallel, just inlayer piston (307) sliding connection in main cell body (310) with in the flank groove (311).
5. The integrated device of claim 4, wherein: inner piston (305) include with sliding column (312) that cylindric groove (308) inner wall sliding seal connects, the tip of sliding column (312) with be provided with circulating spring (313) jointly between the bottom in cylindric groove (308), the week side of sliding column (312) is provided with a plurality ofly and corresponds main cell body (310) inside sliding connection's bar intermediate lamella (314), every all be provided with on bar intermediate lamella (314) with side wing groove (311) inner wall sliding connection's slip wing (315), just stroke drive arrangement (301) with the end connection of sliding column (312).
6. The integrated device of claim 5, wherein: sliding column (312) are including main traveller (316) and collateral branch traveller (317), main traveller (316) sliding connection in main cell body (310), collateral branch traveller (317) are provided with two and follow through connecting rod (318) the axial setting of main traveller (316) is in lie on main traveller (316) the outer week side surface of main cell body (310), follow in the pump body (1) the central line direction of cylindric lock (308) is provided with two and corresponds collateral branch traveller (317) sliding connection's collateral branch spout (319).
7. The integrated plunger pump assembly as claimed in claim 6, wherein: circulation liquid cooling structure (306) is including setting up inlet (320) and liquid outlet (321) on the post groove (308) inside wall, inlet (320) with liquid outlet (321) all communicate to have and set up one-way passageway (322) in post groove (308) inside wall, two one-way passageway (322) are connected with the setting jointly and are in post groove (308) inside wall is inside and be used for the circulation subassembly (323) that supply cooling liquid circulation to flow, just inlet (320) with liquid outlet (321) set up the position that is close to interior bottom on post groove (308) inside wall, two one-way passageway (322) are in open and restrict cooling liquid along same direction circulation flow jointly when deformation takes place in circulation spring (313).
8. The integrated plunger pump assembly as claimed in claim 7, wherein: the circulating assembly (323) comprises two spiral channels (324) which are spirally arranged in the inner side wall of the cylindrical groove (308) and communicated with the outside of the cylindrical groove (307) by taking the axis of the cylindrical body (307) as a spiral center, each spiral channel (324) is communicated with the corresponding one-way channel (322), one end of each spiral channel (324), which is communicated with the outside of the cylindrical body (307), is connected with extension pipelines (325) which are respectively arranged on the two connecting rods (318) along the axial direction of the cylindrical body (307), the end part of each extension pipeline (325) is provided with a circulating pipeline (326) along the direction vertical to the axial direction of the cylindrical body (307), and a heat dissipation cavity (328) which is communicated with the two circulating pipelines (326) through a hose (327) is arranged on the shell of the pump body (1).
9. The integrated plunger pump assembly as claimed in claim 8, wherein: a plurality of cooling fins (329) for auxiliary cooling are arranged on the outer side wall of the pump body (1) in the area of the cooling cavity (328).
10. The integrated plunger pump assembly as claimed in claim 8, wherein: one-way passageway (322) are including setting up connect passageway (330) in the post groove (308) inside wall, follow on the inner wall of connect passageway (330) the axial of connect passageway (330) is provided with guide post (331), the cover is equipped with sealing spring (332) on guide post (331), fixedly connected with spherical sealed piece (333) on sealing spring (332), be provided with in connect passageway (330) with spherical sealed piece (333) counterbalance is sealed connect passageway (330)'s sealing ring (334).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111543105.8A CN114278554A (en) | 2021-12-16 | 2021-12-16 | Integrated device of plunger pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111543105.8A CN114278554A (en) | 2021-12-16 | 2021-12-16 | Integrated device of plunger pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114278554A true CN114278554A (en) | 2022-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111543105.8A Pending CN114278554A (en) | 2021-12-16 | 2021-12-16 | Integrated device of plunger pump |
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| CN (1) | CN114278554A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115234539A (en) * | 2022-09-01 | 2022-10-25 | 宁夏速光电子科技有限公司 | Self-heat-dissipation hydraulic oil cylinder assembly |
-
2021
- 2021-12-16 CN CN202111543105.8A patent/CN114278554A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115234539A (en) * | 2022-09-01 | 2022-10-25 | 宁夏速光电子科技有限公司 | Self-heat-dissipation hydraulic oil cylinder assembly |
| CN115234539B (en) * | 2022-09-01 | 2024-03-08 | 山东同丰矿山设备制造有限公司 | Hydraulic cylinder assembly convenient to self-dissipate heat |
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