CN112412776A

CN112412776A - Reciprocating pump lubricating oil internal circulation system

Info

Publication number: CN112412776A
Application number: CN202011146102.6A
Authority: CN
Inventors: 郑上军; 张旺; 王治宁; 温宁峰
Original assignee: Ningbo Qianhu Petroleum Equipment Co ltd
Current assignee: Ningbo Qianhu Petroleum Equipment Co ltd
Priority date: 2020-12-14
Filing date: 2020-12-14
Publication date: 2021-02-26

Abstract

The utility model relates to a reciprocating pump lubricating oil internal circulation system, including the installation base, install in the pump body at installation base top and set up the circulation system in the pump body, the pump body includes the casing, sets up power end and the hydraulic end in the casing, the inside packing of power end has lubricating oil, circulation system including set up in water pump in the casing, the filter assembly who is connected with the water pump, the confession has been seted up to one side of casing the mounting groove of filter assembly installation, filter assembly including install in rose box in the casing and set up the filter in the rose box, the filter peg graft in the rose box, one side of rose box with the water pump intercommunication, the opposite side of rose box with the inside intercommunication each other of casing. This application has the convenient effect of filtering to the lubricating oil that is located the pump body.

Description

Reciprocating pump lubricating oil internal circulation system

Technical Field

The application relates to the technical field of reciprocating pumps, in particular to a lubricating oil internal circulation system of a reciprocating pump.

Background

At present, a reciprocating pump set is equipment for conveying chemical engineering hot slurry.

Current reciprocating pump generally includes the base, the pump body, drive assembly, the pump body generally includes the casing, power end and fluid end are all installed inside the casing, the power end includes the crank rod, the connecting rod of rotatory installation on the crank rod, with connecting rod swing joint's cross head and install in the cross head and keep away from the piston of connecting rod one side, the fluid end includes feed liquor valve and play liquid valve, realize opening in turn to feed liquor valve and play liquid valve for the reciprocating motion of casing through the piston rod, thereby realize the transport to the liquid that is located the casing.

However, in the actual use of the above-mentioned reciprocating pump, since a certain amount of impurities are present in the lubricating oil, the impurities are easily adsorbed to the outside of the plunger and enter the housing during the movement of the plunger, resulting in abrasion and strain between the plunger and the housing.

Disclosure of Invention

In order to filter the lubricating oil in the pump body conveniently, the application provides a reciprocating pump lubricating oil internal circulation system.

The technical scheme provided by the application is as follows:

the utility model provides a reciprocating pump lubricating oil internal circulation system, includes the installation base, installs in the pump body at installation base top and sets up the circulation system in the pump body, the pump body includes the casing, sets up power end and the fluid end in the casing, the inside packing of power end has lubricating oil, circulation system including set up in water pump in the casing, the filter assembly who is connected with the water pump, the confession has been seted up to one side of casing the mounting groove of filter assembly installation, filter assembly including install in rose box in the casing and set up the filter in the rose box, the filter peg graft in the rose box, one side of rose box with the water pump intercommunication, the opposite side of rose box with the inside intercommunication each other of casing.

Through adopting above-mentioned technical scheme, at the in-process that uses, the impurity that lies in the lubricating oil can be filtered to the lubricating oil that lies in after through filtering component's filtration to the lubricating oil that lies in, thereby the inside solid particle of lubricating oil has been reduced, thereby the probability that the plunger takes place wearing and tearing between the solid particle at the in-process of motion and in the lubricating oil has been reduced, thereby the life of plunger has been promoted to a certain extent, the cycle of maintaining in daily work to the pump body has been prolonged, the maintenance cost to reciprocating pump has been reduced.

Preferably, a mounting seat is arranged in the mounting groove, a placing groove for placing the filter box is formed in the top of the mounting seat, the mounting seat is slidably mounted in the mounting groove, a taking-out groove is formed in the top of the filter box, the filter plate is vertically inserted into the filter box, and the filter plate is connected with the filter box in a sealing mode.

Through adopting above-mentioned technical scheme, made things convenient for the installation between filtering component and the mount pad, during the use, only need place the filter in the rose box, place the rose box in the mount pad afterwards, place the mount pad with sliding again and place in the pump body and can accomplish the installation between the filtering component and the pump body.

Preferably, the pump body is located the outside of mounting groove and is formed with the filtration cavity, the lateral wall that filters the cavity all is provided with the position cover, the mount pad is installed in filtering the cavity, and the closing plate is installed in sliding in the both sides of mount pad, the lateral wall that the mount pad was kept away from to the closing plate is provided with a sealed pad, the closing plate with laminate each other between the mount pad.

Through adopting above-mentioned technical scheme, set up the closing plate in the both sides of mount pad to make the mount pad can realize through the closing plate sealing between the mount pad and the pump body at the in-process that slides.

Preferably, the sealing plate with be provided with the linkage assembly between the mount pad, the confession has been seted up to the inner wall of the pump body the slip passageway of linkage assembly installation, the linkage assembly is including setting up in the first linkage gyro wheel that is close to the casing lateral wall at sealing plate top, setting up in the first locating piece of sealing plate top opposite side, setting up in the second linkage gyro wheel of keeping away from the casing lateral wall at the mount pad top, setting up in the second locating piece and the linkage rope of mount pad top opposite side, the both ends of linkage rope are fixed with first locating piece and second locating piece respectively, the linkage rope is respectively around locating one side that first linkage gyro wheel and second linkage gyro wheel deviate from each other.

Through adopting above-mentioned technical scheme, through setting up the linkage subassembly, when the mount pad shifted out, the closing plate inward movement, connection between water pump and the mount pad at this moment cuts off through closing plate and sealed pad, make the mounting groove of pump body lateral wall whole form a sealed space, isolated outside lubricating oil, thereby make can directly take out the mount pad when the rose box needs to be changed, carry out holistic change to the rose box of placing in the mount pad, make the change of rose box more convenient, thereby reduced the maintenance cost to the pump body in daily work.

Preferably, the top of the first linkage roller is fixed with the housing.

Through adopting above-mentioned technical scheme for the in-process of closing plate and mount pad motion is for moving in step along the both sides of positioning roller, thereby makes the mount pad when taking out, and the closing plate can seal the lid and close the pump body, makes the inside sealed cavity that forms of filter cavity, has made things convenient for the change to the rose box.

Preferably, the water pump orientation one side of closing plate is provided with the connecting pipe, the lateral wall of connecting pipe is provided with sealed annular, the connecting pipe intercommunication the rose box inner space, sealed pad orientation one side of sealed annular is provided with sealed protruding, sealed protruding embedding in the sealed annular.

Through adopting above-mentioned technical scheme for can seal through sealed pad and sealed protruding between the pump body and the closing plate, thereby reduce the probability that lubricating oil directly enters into in the filtration cavity through the clearance between the pump body and the closing plate, thereby make the filtering component more thorough to the filtration of lubricating oil.

Preferably, a first magnetic ring is embedded at the outer side of the sealing protrusion of the sealing gasket, a second magnetic ring corresponding to the first magnetic ring is arranged at the edge of the sealing ring groove, a shock absorption pad is arranged between the first magnetic ring and the second magnetic ring, and the magnetic poles of the opposite sides of the first magnetic ring and the second magnetic ring are opposite.

Through adopting above-mentioned technical scheme, through setting up first magnetic ring and second magnetic ring, made things convenient for the sealing connection between connecting pipe and the closing plate, and when the pump body at the in-process of vibrations, be difficult to take place the separation between connecting pipe and the closing plate to the filter effect of filter assembly to lubricating oil has further been promoted.

Preferably, the end of the connecting pipe is provided with a corrugated section, the two sides of the corrugated section horizontally extend outwards to form a mounting plate, a plurality of positioning rods are arranged on the mounting plate at intervals in the circumferential direction, one side, away from the sealing plate, of each positioning rod is provided with a positioning ring, the side wall of each positioning ring is abutted to the mounting plate, one side, close to the sealing plate, of each positioning rod is connected with a positioning nut, each positioning nut is in threaded connection with the corresponding positioning rod, a compression spring is arranged between each positioning nut and the corresponding mounting plate, each compression spring is a conical spring, and when the compression springs are completely unfolded, the second magnetic rings and the first magnetic rings are mutually aligned, and the first magnetic rings and the second magnetic rings are mutually.

By adopting the technical scheme, the corrugated section can be axially positioned through the positioning rod, so that the corrugated section can only axially slide, and the movement stability of the corrugated section is improved; when the mounting seat is pulled out, the positions of the sealing plate and the connecting pipe are staggered, so that the positions of the first magnetic ring and the second magnetic ring are separated, the magnetic force between the first magnetic ring and the second magnetic ring is reduced, the connecting pipe and the sealing gasket are separated from each other under the action of the compression spring, the abrasion between the sealing protrusion and the sealing ring groove is reduced in the process of replacing the filter box, and the service life of the lubricating oil circulating and filtering system is prolonged.

Preferably, the power supply through-hole that the working shaft power cord passed is seted up at the top of the pump body, power supply through-hole internally mounted has a sealing member, the sealing member has the sealed turn-ups that is located the top, sets up in sealed turn-ups bottom and the sealing ring of the inner wall laminating with the power supply through-hole, the inner wall and the outer wall of sealing ring all are provided with sealed bulge loop, are located the sealed bulge loop of sealing ring inner wall compresses tightly with the power cord of water pump, are located the sealed bulge loop of sealing ring lateral wall compresses tightly with the inner wall of power supply through.

Through adopting above-mentioned technical scheme, can reduce the lubricating oil in the pump body and take place the probability of leaking from the power supply through-hole when realizing supplying power to the water pump.

In summary, the present application includes at least one of the following beneficial technical effects:

by arranging the circulating system, the lubricating oil in the pump body is conveniently filtered;

by arranging the linkage assembly, the lubricating oil in the pump body is further conveniently filtered;

through setting up the ripple section, reduced the wearing and tearing between connecting pipe and the sealed pad.

Drawings

Fig. 1 is a side view of the present application.

Fig. 2 is a schematic view of the general structure of the pump body and the circulation system.

Fig. 3 is an exploded view of the housing and circulation system.

Fig. 4 is a schematic sectional structure of the sealing member.

FIG. 5 is a schematic view of the structure of the circulation system.

Fig. 6 is an enlarged schematic view of a portion a in fig. 3.

FIG. 7 is a top view of the linkage assembly.

Fig. 8 is a schematic sectional view of the connection pipe and the gasket.

Reference number specification, 1, mounting base; 2. a pump body; 21. a housing; 211. installing a groove; 212. a positioning cover; 2121. a slip through hole; 2122. a filtration through hole; 213. a filtering cavity; 214. a power supply through hole; 215. positioning a cover plate; 22. a power end; 23. a fluid end; 24. a mounting seat; 241. placing a groove; 25. a sealing plate; 251. a gasket; 252. a sealing protrusion; 253. installing a flanging; 254. a first magnetic ring; 26. a seal member; 261. sealing and flanging; 262. a seal ring; 263. a sealing convex ring; 3. a circulation system; 31. a water pump; 311. a connecting pipe; 3111. sealing the ring groove; 3112. a second magnetic ring; 312. a corrugated section; 313. mounting a plate; 314. positioning a rod; 3141. a positioning ring; 315. positioning a nut; 316. a compression spring; 32. a filter assembly; 321. a filter box; 3211. taking out the groove; 322. a filter plate; 4. a linkage assembly; 41. a first linkage roller; 42. positioning the roller; 43. a first positioning block; 44. a second linkage roller; 45. a second positioning block; 46. a linkage rope; 5. a drive motor; 6. a drive belt.

Detailed Description

The present application is described in further detail below with reference to figures 1-8.

The embodiment of the application discloses reciprocating pump lubricating oil internal circulation system, refer to fig. 1 and fig. 2, including installation base 1, install in the pump body 2 at installation base 1 top, set up circulation system 3 in the pump body 2, for the motion of the pump body 2 provides driving motor 5 of power and with driving motor 5 power transmission to the drive belt 6 on the pump body 2. The pump body 2 includes a housing 21, a power end 22 disposed within the housing 21, and a fluid end 23. The power end 22 is internally filled with lubricating oil.

Referring to fig. 2 and 3, the circulation system 3 includes a water pump 31 disposed in the housing 21, and a filter assembly 32 connected to the water pump 31, wherein the filter assembly 32 includes a filter tank 321 disposed in the housing 21, and a filter plate 322 disposed in the filter tank 321. One side of the filter tank 321 communicates with the water pump 31, and the other side of the filter tank 321 communicates with the inside of the case 21.

Referring to fig. 2 and 4, a power supply through hole 214 through which a power line of the water supply pump 31 passes is formed in the top of the pump body 2, a sealing element 26 is installed inside the power supply through hole 214, the sealing element 26 has a sealing flange 261 at the top, and a sealing ring 262 arranged at the bottom of the sealing flange 261 and attached to the inner wall of the power supply through hole 214, sealing convex rings 263 are arranged on the inner wall and the outer wall of the sealing ring 262, the sealing convex ring 263 on the inner wall of the sealing ring 262 is pressed against the power line of the water pump 31, and the sealing convex ring 263 on the outer side wall of the sealing ring 262 is.

Referring to fig. 5 and 6, a mounting groove 211 is formed in one side of the housing 21, a positioning cover 212 is disposed outside the mounting groove 211 and extends horizontally outward, a side wall of the positioning cover 212 is communicated with the mounting groove 211 to form a filtering cavity 213, and a side wall of the positioning cover 212 disposed vertically is provided with a filtering through hole 2122 communicated with an inner space of the housing 21.

Be provided with a mount pad 24 in the mounting groove 211, the top of mount pad 24 is seted up and is supplied the filter box 321 to place and place recess 241, mount pad 24 slides and installs in mounting groove 211, the filter box 321 is installed in the recess 241 of placing at 24 tops of mount pad, the both sides at the top of filter box 321 are vertical to be seted up downwards a plurality of taking out recesses 3211 that set up along the even interval of its width direction, the vertical grafting of filter 322 is in the filter box 321, the filter 322 is provided with sealing strip (not shown in the figure) towards one side of filter box 321, sealed the compressing tightly between sealing strip (not shown in the figure) and the filter box 321.

The both sides of mount pad 24 are slided and are installed the closing plate 25, and the lateral wall that the mount pad 24 was kept away from to closing plate 25 is provided with a sealed pad 251, laminates each other between closing plate 25 and the mount pad 24, and the feed liquor through-hole has been seted up to the lateral wall of closing plate 25, and the feed liquor through-hole level extends towards water pump 31 one side, runs through mount pad 24, rose box 321 and is located the closing plate 25 of mount pad 24 opposite side.

Referring to fig. 7, a linkage assembly 4 is disposed between the sealing plate 25 and the mounting seat 24, a sliding channel for installing the linkage assembly 4 is disposed on the top of the inner wall of the casing 21, the linkage assembly 4 includes a first linkage roller 41 disposed on the top of the sealing plate 25 and close to the outer side wall of the casing 21, a positioning roller 42 disposed on the bottom of the pump body 2, a first positioning block 43 disposed on the other side of the top of the sealing plate 25, a second linkage roller 44 disposed on the top of the mounting seat 24 and located far away from the outer side wall of the casing 21, a second positioning block 45 disposed on the other side of the top of the mounting seat 24, and.

Referring to fig. 6 and 7, the positioning roller 42 is fixed to the housing 21, the positioning roller 42 is disposed at the bottom of the sliding channel, two ends of the linkage rope 46 are fixed to the first positioning block 43 and the second positioning block 45, and the linkage rope 46 is wound around the side of the first linkage roller 41 and the second linkage roller 44 away from each other. So that the sealing plate 25 is moved in a synchronized reverse direction during the process of pulling out the mounting seat 24, and the sealing plate 25 is separated from the filter through-holes 2122 of the positioning cover 212.

Referring to fig. 8, a connection pipe 311 is disposed on a side of the water pump 31 facing the sealing plate 25, the connection pipe 311 is disposed opposite to the liquid inlet through hole, a sealing ring groove 3111 is disposed on a sidewall of the connection pipe 311, the connection pipe 311 communicates with an inner space of the filtering tank 321, a sealing protrusion 252 corresponding to the sealing ring groove 3111 is disposed at an edge of the liquid inlet through hole of the sealing gasket 251, and the sealing protrusion 252 is embedded in the sealing ring groove 3111.

The sealing gasket 251 is provided with a first magnetic ring 254 at the outer side of the sealing protrusion 252, a second magnetic ring 3112 corresponding to the first magnetic ring 254 is arranged at the edge of the sealing ring groove 3111, a shock absorption pad is arranged between the first magnetic ring 254 and the second magnetic ring 3112, the magnetic poles of the opposite sides of the first magnetic ring 254 and the second magnetic ring 3112 are opposite, and the sealing between the connecting pipe 311 and the sealing plate 25 is realized through the adsorption force between the first magnetic ring 254 and the second magnetic ring 3112.

The tip of connecting pipe 311 has ripple section 312, the equal level of both sides of ripple section 312 outwards extends and is formed with mounting panel 313, set up the through-hole 2121 that slides that supplies mounting panel 313 to slide on the position cover 212, the circumference interval is provided with a plurality of locating levers 314 on the mounting panel 313, one side that the closing plate 25 was kept away from to locating lever 314 has holding ring 3141, the lateral wall and the mounting panel 313 butt of holding ring 3141, one side that the locating lever 314 is close to the closing plate 25 is connected with set nut 315, set nut 315 and locating lever 314 threaded connection, be provided with compression spring 316 between set nut 315 and the mounting panel 313, compression spring 316 is a conical spring.

After the compression spring 316 is completely unfolded, the first magnetic ring 254 and the second magnetic ring 3112 are attracted to each other when the second magnetic ring 3112 is opposite to the first magnetic ring 254, when the mounting seat 24 is pulled out, the positions of the sealing plate 25 and the connecting pipe 311 are staggered, so that the positions of the first magnetic ring 254 and the second magnetic ring 3112 are separated from each other, the magnetic force between the first magnetic ring 254 and the second magnetic ring 3112 is reduced, the connecting pipe 311 and the sealing gasket 251 are separated from each other under the action of the compression spring 316, the abrasion between the sealing protrusion 252 and the sealing ring groove 3111 in the process of replacing the filter box 321 is reduced, and the service life of the lubricating oil circulation filtering system is prolonged.

The implementation principle of the reciprocating pump lubricating oil internal circulation system 3 in the embodiment is as follows: in the use process, the lubricating oil that is located the pump body 2 can filter the impurity that is located the lubricating oil through the filtration back of filter assembly 32 to reduced the inside solid particle of lubricating oil, thereby reduced the plunger in the in-process of motion and the probability that takes place wearing and tearing between the solid particle that is located the lubricating oil, thereby promoted the life of plunger to a certain extent, prolonged the cycle of maintaining in daily work to the pump body 2, reduced the maintenance cost to reciprocating pump.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a reciprocating pump lubricating oil internal circulation system, includes installation base (1), installs in pump body (2) at installation base (1) top, its characterized in that: also comprises a circulating system (3) arranged in the pump body (2), the pump body (2) comprises a shell (21), a power end (22) and a hydraulic end (23) which are arranged in the shell (21), lubricating oil is filled in the power end (22), the circulating system (3) comprises a water pump (31) arranged in the shell (21) and a filtering component (32) connected with the water pump (31), one side of the shell (21) is provided with a mounting groove (211) for mounting the filter component (32), the filter assembly (32) comprises a filter box (321) arranged in the shell (21) and a filter plate (322) arranged in the filter box (321), the filter plate (322) is inserted in the filter box (321), one side of the filter box (321) is communicated with the water pump (31), the other side of the filter box (321) is communicated with the interior of the shell (21).

2. The internal circulation system of reciprocating pump lubricating oil according to claim 1, wherein: be provided with a mount pad (24) in mounting groove (211), the confession has been seted up at the top of mount pad (24) place recess (241) that filter tank (321) were placed, mount pad (24) slide install in mounting groove (211), one is seted up at the top of filter tank (321) and is taken out recess (3211), filter (322) vertical peg graft in filter tank (321), filter (322) with sealing connection between filter tank (321).

3. A reciprocating pump lubricating oil internal circulation system according to claim 2, characterized in that: the outside that the pump body (2) is located mounting groove (211) is formed with filtering cavity (213), filtering cavity's (213) lateral wall all is provided with location cover (212), install in filtering cavity (213) mount pad (24), the both sides of mount pad (24) are slided and are installed closing plate (25), the lateral wall that mounting pad (24) were kept away from in closing plate (25) is provided with one and is sealed (251), closing plate (25) with laminate each other between mount pad (24).

4. A reciprocating pump lubricating oil internal circulation system according to claim 3, characterized in that: a linkage component (4) is arranged between the sealing plate (25) and the mounting seat (24), the inner wall of the pump body (2) is provided with a sliding channel for installing the linkage component (4), the linkage assembly (4) comprises a first linkage roller (41) which is arranged at the top of the sealing plate (25) and close to the outer side wall of the shell (21), a first positioning block (43) which is arranged at the other side of the top of the sealing plate (25), a second linkage roller (44) which is arranged at the top of the mounting seat (24) and far away from the outer side wall of the shell (21), a second positioning block (45) which is arranged at the other side of the top of the mounting seat (24) and a linkage rope (46), two ends of the linkage rope (46) are respectively fixed with the first positioning block (43) and the second positioning block (45), the linkage rope (46) is respectively wound on one side of the first linkage roller (41) and one side of the second linkage roller (44) which are away from each other.

5. The internal circulation system of reciprocating pump lubricating oil according to claim 4, wherein: the top of the first linkage roller (44) is fixed with the shell (21).

6. The internal circulation system of reciprocating pump lubricating oil according to claim 4, wherein: water pump (31) orientation one side of closing plate (25) is provided with connecting pipe (311), the lateral wall of connecting pipe (311) is provided with sealed annular groove (3111), connecting pipe (311) intercommunication rose box (321) inner space, sealed pad (251) orientation one side of sealed annular groove (3111) is provided with sealed protruding (252), sealed protruding (252) embedding in sealed annular groove (3111).

7. The internal circulation system of reciprocating pump lubricating oil according to claim 6, wherein: the magnetic ring sealing structure is characterized in that a first magnetic ring (254) is embedded in the sealing gasket (251) and located on the outer side of the sealing protrusion (252), a second magnetic ring (3112) corresponding to the first magnetic ring (254) is arranged at the edge of the sealing ring groove (3111), a shock absorption pad is arranged between the first magnetic ring (254) and the second magnetic ring (3112), and magnetic poles on one side, opposite to the first magnetic ring (254) and the second magnetic ring (3112), of the first magnetic ring are opposite.

8. The internal circulation system of reciprocating pump lubricating oil according to claim 7, wherein: the end part of the connecting pipe (311) is provided with a corrugated section (312), two sides of the corrugated section (312) horizontally extend outwards to form a mounting plate (313), a plurality of positioning rods (314) are circumferentially arranged on the mounting plate (313) at intervals, one side of each positioning rod (314), which is far away from the sealing plate (25), is provided with a positioning ring (3141), the side wall of each positioning ring (3141) is abutted to the mounting plate (313), one side of each positioning rod (314), which is close to the sealing plate (25), is connected with a positioning nut (315), the positioning nuts (315) are in threaded connection with the positioning rods (314), a compression spring (316) is arranged between each positioning nut (315) and the mounting plate (313), each compression spring (316) is a conical spring, and when the compression springs (316) are completely unfolded, the second magnetic ring (3112) is opposite to the first magnetic ring (254), the first magnetic ring (254) and the second magnetic ring (3112) are mutually adsorbed.

9. The internal circulation system of reciprocating pump lubricating oil according to claim 1, wherein: the power supply through-hole (214) that feed water pump (31) power cord passed are seted up to the top of the pump body (2), power supply through-hole (214) internally mounted has a sealing member (26), sealing member (26) have be located the top sealed turn-ups (261), set up in sealed turn-ups (261) bottom and with sealing ring (262) of the inner wall laminating of feed through-hole (214), the inner wall and the outer wall of sealing ring (262) all are provided with sealed bulge loop (263), are located sealed bulge loop (263) of sealing ring (262) inner wall compress tightly with the power cord of water pump (31), are located the sealed bulge loop (263) of sealing ring (262) lateral wall compresses tightly with the inner wall of feed through-hole (214).