CN113309503B - Fracturing pump - Google Patents
Fracturing pump Download PDFInfo
- Publication number
- CN113309503B CN113309503B CN202110733412.6A CN202110733412A CN113309503B CN 113309503 B CN113309503 B CN 113309503B CN 202110733412 A CN202110733412 A CN 202110733412A CN 113309503 B CN113309503 B CN 113309503B
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- driving motor
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- 238000007789 sealing Methods 0.000 claims abstract description 231
- 241000561734 Celosia cristata Species 0.000 claims description 3
- 210000001520 comb Anatomy 0.000 claims description 3
- 239000003208 petroleum Substances 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 15
- 230000008595 infiltration Effects 0.000 description 6
- 238000001764 infiltration Methods 0.000 description 6
- 239000010721 machine oil Substances 0.000 description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/25—Methods for stimulating production
- E21B43/26—Methods for stimulating production by forming crevices or fractures
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/18—Lubricating
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Power Engineering (AREA)
- Hydraulic Motors (AREA)
- Rotary Pumps (AREA)
Abstract
The invention relates to the field of petroleum and discloses a fracturing pump which comprises a pump body, a driving motor, pinions and mounting plates, wherein the driving motor is movably arranged above the pump body, the pinions are symmetrically arranged at the output ends of two sides of the driving motor, the mounting plates are symmetrically arranged at two sides of the pump body, fixing pieces for fixing the driving motor are symmetrically arranged on the pump body, a gear shell is arranged on the mounting plates, one side, close to the gear shell, of the driving motor is connected with a circular first sealing plate through a bolt, a first sealing piece is arranged at one side, close to the gear shell, of the first sealing plate, a second sealing piece matched with the first sealing piece is arranged at one side, close to the driving motor, of the gear shell, and the first sealing piece and the second sealing piece form a diversion sealing layer; according to the invention, the first sealing plate, the first sealing piece and the second sealing piece are arranged and respectively matched with the shapes of the gear shell and the shell of the driving motor, and then the first sealing piece and the second sealing piece are mutually matched to form a flow guide sealing structure, so that the sealing property between the gear shell and the shell of the driving motor is ensured.
Description
Technical Field
The invention relates to the technical field of oil exploitation, in particular to a fracturing pump.
Background
The fracturing pump is a plunger pump which is arranged on a fracturing truck and used for carrying out fracturing and acidizing operations in the oil drilling and production process, the working principle of the fracturing pump is that a small gear and a large gear are sequentially driven to rotate by a motor, then the large gear drives a crankshaft of the pump to rotate, and the crankshaft drives a piston or a plunger to reciprocate in a pump cylinder through a crosshead. The purpose of pressure feeding and circulating flushing liquid is realized under the alternate action of the suction valve and the discharge valve.
Because the pinion of the output fixed connection of motor is direct in the fracturing pump together with the gear wheel toothing on the pump body, consequently when carrying out the installation of fracturing pump, must pay attention to the sealed between the casing of motor output and the gear casing, prevent that the rainwater in the motor outside from getting into in the gear casing or the interior machine oil of gear casing leaks outward, but because the shape of gear casing and motor casing is certain, has the shape to mismatch when directly being connected gear casing and motor casing, leads to the not tight problem of sealing.
Disclosure of Invention
The invention aims to provide a fracturing pump, and aims to solve the problem of sealing between a shell and a gear shell at the output end of a motor.
The technical purpose of the invention is realized by the following technical scheme: the utility model provides a fracturing pump, including the pump body, the activity set up in driving motor, the symmetry of pump body top set up in the pinion and the symmetry of driving motor's both sides output set up in the mounting panel of pump body both sides, the symmetry is provided with and is used for fixing on the pump body driving motor's mounting, the mounting including set up in on the pump body first semicircular support and with first support bolted connection's semicircular second support, be provided with the gear casing on the mounting panel, driving motor is close to one side bolted connection of gear casing has the annular first closing plate of circle, be close to on the first closing plate one side of driving motor is provided with first sealed the pad, first closing plate is close to one side of gear casing is provided with first sealing member, the gear casing is close to one side of driving motor be provided with first sealing member matched with second sealing member, first sealing member with the second sealing member forms the water conservancy diversion sealing layer.
The invention is further provided with: the first sealing element comprises a first cylindrical sealing barrel and a second sealing plate, the second sealing plate is arranged at one end, close to the gear shell, of the first sealing barrel and is in a ring shape, and a second sealing pad is movably attached to one side, close to the driving motor, of the second sealing element.
The invention is further provided with: the second sealing element comprises a sealing block movably attached to the outer wall of the first sealing barrel, a third sealing plate arranged on the top of the sealing block in a circular arc shape, and a fourth sealing plate arranged on the bottom of the sealing block in a circular arc shape in the vertical direction, the second sealing plate is attached to the sealing block and close to one side of the gear shell, a first semicircular limiting part and a second limiting part which are movably attached to the outer wall of the sealing block are arranged on the mounting plate, a circular arc-shaped limiting groove is formed between the first limiting part and the second limiting part, the fourth sealing plate is clamped in the limiting groove, the inner wall of the third sealing plate is movably attached to the outer wall of the second sealing plate, the third sealing plate is connected with the gear shell through bolts, and a third sealing pad is arranged on one side, close to the driving motor, of the gear shell.
Through the technical scheme, when the fracturing pump is installed, firstly, the casings at two ends of the driving motor are aligned to the first support, then the driving motor is placed on the pump body, the pinions at two ends of the driving motor are meshed with the large gears at two sides of the pump body, then the second support is attached to the casing at the output end of the driving motor, then the first support and the second support are connected together through the bolt, the driving motor is fixed on the pump body, then the sealing block is sleeved on the first sealing cylinder, then the sealing block penetrates through the pinions and is sleeved at the output end of the driving motor, then the first sealing cylinder is pushed to be close to the driving motor, the fourth sealing plate can be aligned to the limiting groove, then the sealing block is pushed downwards, the first sealing plate is clamped in the limiting groove, meanwhile, the outer wall of the sealing block is attached to the inner wall of the first limiting piece, then the first sealing cylinder is pushed, the second sealing pad on the side wall of the sealing block is abutted to the side wall of the sealing block, at the first sealing pad is also attached to the casing of the driving motor, then the first sealing plate and the casing of the driving motor can be connected together with the third sealing plate through the bolt; through setting up a first sealing barrel, the sealing block, first closing plate etc., cooperate the shape of gear shell and driving motor's casing respectively, make and form seal structure through the third gasket between third closing plate and the gear shell, form seal structure through first gasket between first closing plate and the driving motor, then through the fourth closing plate of second gasket and block between first sealing member and the second sealing member, the spacing groove forms a double-deck seal structure, thereby avoid the water in the driving motor outside to get into in the gear shell, also avoid the machine oil in the gear shell excessive, cause the damage of fracturing pump, simultaneously through setting up the spacing groove, be convenient for the accurate positioning of second sealing member and matched with first sealing member, only need the inboard first closing plate of bolted connection first sealing barrel just can accomplish the installation of first sealing member and second sealing member, thereby make installation operation simple and convenient, avoid the sealed not tight that installation operation unnormal leads to.
The invention is further provided with: a diversion trench is formed in one side, close to the driving motor, of the inner wall of the first limiting part, the longitudinal section of the diversion trench is triangular, and one side, close to the driving motor, of the sealing block and one side, close to the driving motor, of the first limiting part are located on the same plane.
Through the technical scheme, when rainwater on the outer side of the driving motor enters from the gap between the second support and the sealing block, the rainwater can flow downwards to the bottom end of the sealing block along the outer wall of the first sealing barrel, and then the rainwater can drip downwards from the bottom end of the sealing block and cannot seep between the sealing block and the first limiting piece due to the fact that the first limiting piece is provided with the flow guide groove; through setting up the guiding gutter, carry out the water conservancy diversion to the rainwater that gets into between driving motor and the second sealing member, avoid between rainwater infiltration sealing block and the first locating part, ensure the leakproofness between gear shell and driving motor's the casing.
The invention is further configured as follows: one side of the top end of the sealing block, which is far away from the gear shell, abuts against the side edge of the second support.
Through above-mentioned technical scheme, because one side of sealed piece is contradicted in the second support, has formed a water conservancy diversion cavity between sealed piece and driving motor's the side, can reduce the rainwater volume that external rainwater got into the water conservancy diversion cavity through the clearance between sealed piece and the second support to further increase the leakproofness between gear shell and driving motor's the casing.
The invention is further provided with: the sealing block comprises a second sealing cylinder in a circular ring shape and guide blocks symmetrically arranged on two sides of the second sealing cylinder, a planar guide surface is arranged at the bottom end of each guide block and is attached to the top end of the mounting plate, and the horizontal plane where one side of the second sealing cylinder is located is higher than the horizontal plane where one side of the second sealing cylinder is located, which is far away from the guide surface.
Through the technical scheme, when rainwater flows to the bottom end of the flow guide block from top to bottom along the outer side of the sealing block, the horizontal plane of one side, close to the second sealing cylinder, of the flow guide surface is higher than the horizontal plane of one side, far away from the second sealing cylinder, of the flow guide surface, so that the rainwater can continuously flow downwards along the mounting plate under the action of gravity and cannot flow backwards upwards from a gap between the flow guide surface and the mounting plate; through setting up the water conservancy diversion piece, avoid the rainwater to guarantee the leakproofness between gear shell and driving motor's the casing from the junction infiltration second sealing cylinder of sealed piece and mounting panel, simultaneously through the mutual block of water conservancy diversion piece and mounting panel, the installation location of the sealed piece of being convenient for the installation operation of sealed piece is simple and convenient more.
The invention is further provided with: the connecting groove of cockscomb structure is seted up to the bottom of third closing plate, be provided with the connecting block on the mounting panel, the top of connecting block with the connecting groove cooperatees, the connecting block with gear shell passes through bolted connection.
Through above-mentioned technical scheme, when third closing plate block in the connecting block, through the spread groove of cockscomb structure, carry out horizontal direction spacing to third closing plate, sealed piece and first sealed section of thick bamboo, avoid at the in-process of bolt fastening first closing plate, first sealed section of thick bamboo horizontal direction takes place to remove, leads to sealed not tight between sealed piece and the mounting panel.
Compared with the prior art, the invention has the beneficial effects that:
1. through setting up a first sealed section of thick bamboo, sealed piece, first closing plate etc, the shape of cooperation gear shell and driving motor's casing, form seal structure through the third gasket between third closing plate and the gear shell, form seal structure through first gasket between first closing plate and the driving motor, then the fourth closing plate through the sealed pad of second and block between first sealing member and the second sealing member, the spacing groove forms a double-deck seal structure, thereby in the water entering gear shell of avoiding the driving motor outside, also avoid the interior machine oil of gear shell excessive, cause the damage of fracturing pump.
2. Through setting up the spacing groove, the accurate positioning of the second sealing member of being convenient for and the first sealing member of matched with only needs the inboard first closing plate of bolted connection first sealing barrel just can accomplish the installation of first sealing member and second sealing member to make installation operation simple and convenient, avoid the sealed not tight that installation operation is not normal to lead to.
3. Through setting up the guiding gutter, carry out the water conservancy diversion to the rainwater that gets into between driving motor and the second sealing member, avoid between rainwater infiltration sealing block and the first locating part, ensure the leakproofness between gear shell and driving motor's the casing.
4. Through setting up the water conservancy diversion piece, avoid the rainwater to guarantee the leakproofness between gear shell and driving motor's the casing from the junction infiltration second sealing cylinder of sealed piece and mounting panel, simultaneously through the mutual block of water conservancy diversion piece and mounting panel, the installation location of the sealed piece of being convenient for the installation operation of sealed piece is simple and convenient more.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic diagram of the structure of one embodiment of a frac pump of the present invention;
FIG. 2 is a schematic diagram of a partial cross-sectional configuration of an embodiment of a fracturing pump of the present invention;
FIG. 3 is an enlarged schematic view of A in FIG. 2;
FIG. 4 is an enlarged schematic view of B in FIG. 2;
fig. 5 is a schematic view of a partial cross-sectional structure of an embodiment of a fracturing pump of the invention.
In the figure, 1, a pump body; 2. a drive motor; 3. a pinion gear; 4. mounting a plate; 5. a fixing member; 5a, a first bracket; 5b, a second bracket; 6. a gear case; 7. a first sealing plate; 8. a first gasket; 9. a first seal 9a, a first seal cartridge; 9b, a second sealing plate; 10. a second seal member; 10a, a sealing block; 10a1, a second sealing cylinder; 10a2, a flow guide block; 10b, a third sealing plate; 10c, a fourth sealing plate; 11. a second gasket; 12. a first limit piece; 13. a second limiting member; 14. a limiting groove; 15. a third gasket; 16. a diversion trench; 17. a flow guide surface; 18. connecting grooves; 19. and (7) connecting the block.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings and specific embodiments. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without inventive step, shall fall within the scope of protection of the present invention.
The invention provides a fracturing pump, as shown in fig. 1-5, which comprises a pump body 1, a driving motor 2 movably arranged above the pump body 1, pinions 3 symmetrically arranged at output ends at two sides of the driving motor 2, and mounting plates 4 symmetrically arranged at two sides of the pump body 1, wherein fixing members 5 for fixing the driving motor 2 are symmetrically arranged on the pump body 1, each fixing member 5 comprises a semicircular first support 5a arranged on the pump body 1 and a semicircular second support 5b in bolt connection with the first support 5a, a gear shell 6 is arranged on the mounting plate 4, a circular first sealing plate 7 is in bolt connection with one side of the driving motor 2 close to the gear shell 6, a first sealing gasket 8 is arranged at one side of the first sealing plate 7 close to the driving motor 2, a first sealing member 9 is arranged at one side of the first sealing plate 7 close to the gear shell 6, a second sealing member 10 matched with the first sealing member 9 is arranged at one side of the gear shell 6 close to the driving motor 2, and a flow guide sealing layer is formed by the first sealing member 9 and the second sealing member 10.
The first sealing element 9 comprises a cylindrical first sealing cylinder 9a and a circular second sealing plate 9b arranged at one end of the first sealing cylinder 9a close to the gear shell 6, and a second sealing gasket 11 movably attached to the second sealing element 10 is arranged at one side of the second sealing plate 9b close to the driving motor 2.
The second sealing element 10 comprises a sealing block 10a movably attached to the outer wall of the first sealing cylinder 9a, a circular arc-shaped third sealing plate 10b arranged at the top of the sealing block 10a, and a circular arc-shaped fourth sealing plate 10c arranged at the bottom of the sealing block 10a along the vertical direction, the second sealing gasket 11 is attached to one side, close to the gear shell 6, of the sealing block 10a, a semicircular first limiting piece 12 movably attached to the outer wall of the sealing block 10a and a circular arc-shaped second limiting piece 13 movably attached to the bottom of the second sealing plate 9b are arranged on the mounting plate 4, a circular arc-shaped limiting groove 14 is formed between the first limiting piece 12 and the second limiting piece 13, the fourth sealing plate 10c is clamped on the limiting groove 14, the inner wall of the third sealing plate 10b is movably attached to the outer wall of the second sealing plate 9b, the third sealing plate 10b is connected with the gear shell 6 through bolts, and a third sealing gasket 15 is arranged at one side, close to the driving motor 2, of the gear shell 6.
A diversion trench 16 is formed in one side, close to the driving motor 2, of the inner wall of the first limiting member 12, the longitudinal section of the diversion trench 16 is triangular, and one side, close to the driving motor 2, of the sealing block 10a and one side, close to the driving motor 2, of the first limiting member 12 are located on the same plane.
The side of the top end of the sealing block 10a away from the gear housing 6 abuts against the side of the second bracket 5 b.
The sealing block 10a comprises a circular second sealing cylinder 10a1 and flow guide blocks 10a2 symmetrically arranged on two sides of the second sealing cylinder 10a1, a planar flow guide surface 17 is arranged at the bottom end of the flow guide block 10a2, the flow guide surface 17 is attached to the top end of the mounting plate 4, and the horizontal plane where one side of the flow guide surface 17 close to the second sealing cylinder 10a1 is higher than the horizontal plane where one side of the flow guide surface 17 far away from the second sealing cylinder 10a1 is.
The bottom end of the third sealing plate 10b is provided with a serrated connecting groove 18, the mounting plate 4 is provided with a connecting block 19, the top end of the connecting block 19 is matched with the connecting groove 18, and the connecting block 19 is connected with the gear shell 6 through a bolt.
Through the technical scheme, when the fracturing pump is installed, firstly, the machine casings at two ends of the driving motor 2 are aligned to the first support 5a, then the driving motor 2 is placed on the pump body 1, the pinions 3 at two ends of the driving motor 2 are meshed with the large gears at two sides of the pump body 1, then, the second support 5b is attached to the machine casing at the output end of the driving motor 2, then, the first support 5a and the second support 5b are connected together through the bolts, so that the driving motor 2 is fixed on the pump body 1, then, the sealing block 10a is sleeved on the first sealing barrel 9a, then, the sealing block passes through the pinions 3 and is sleeved on the output end of the driving motor 2, then, the first sealing barrel 9a is pushed to be close to the driving motor 2, so that the fourth sealing plate 10c can be aligned to the limiting groove 14, then, the sealing block 10a is pushed downwards, so that the first sealing plate 7 is clamped in the limiting groove 14, meanwhile, the outer wall of the sealing block 10a is attached to the inner wall of the first limiting piece 12, then, the first sealing barrel 9a is pushed, so that the second sealing pad 11 on the second sealing plate 9b is attached to the side wall of the first sealing block 10a, the sealing plate 7 a is attached to the inner wall of the first limiting piece 12, at the first sealing plate 7 a, and the first sealing plate 7 a is also attached to be attached to the first sealing shell, and the first sealing shell 2 a is connected with the driving motor 2, and then, and the driving motor 2 a shell, and the third sealing shell 2 a shell 2 are connected together; through setting up first sealed tube 9a, sealed piece 10a, first closing plate 7 etc, the shape of the casing of cooperation gear shell 6 and driving motor 2 respectively, make between third closing plate 10b and the gear shell 6 form seal structure through third sealed pad 15, form seal structure through first sealed pad 8 between first closing plate 7 and the driving motor 2, then between first sealing member 9 and the second sealing member 10 through the fourth closing plate 10c of second sealed pad 11 and block, spacing groove 14 forms a double-deck seal structure, thereby avoid the water in the driving motor 2 outside to get into in the gear shell 6, also avoid the machine oil in the gear shell 6 to overflow, cause the damage of fracturing pump, simultaneously through setting up spacing groove 14, be convenient for the accurate positioning of second sealing member 10 and first sealing member 9 of matched with, only need first closing plate 7 of bolted connection first sealed tube 9a inboard to accomplish the installation of first sealing member 9 and second sealing member 10, thereby make the installation operation simple and convenient, avoid the installation operation not standardizing the not tight sealed of leading to the fact not tight.
Further, when rainwater outside the driving motor 2 enters from the gap between the second bracket 5b and the sealing block 10a, the rainwater may flow downward to the bottom end of the sealing block 10a along the outer wall of the first sealing barrel 9a, and then, since the diversion trench 16 is formed in the first limiting member 12, the rainwater may drip downward from the bottom end of the sealing block 10a and may not infiltrate between the sealing block 10a and the first limiting member 12; through setting up guiding gutter 16, carry out the water conservancy diversion to the rainwater that gets into between driving motor 2 and the second sealing member 10, avoid rainwater infiltration sealing block 10a and first locating part 12 between, ensure the leakproofness between gear shell 6 and the casing of driving motor 2.
Furthermore, because one side of the sealing block 10a is abutted to the second support 5b, a diversion cavity is formed between the sealing block 10a and the side edge of the driving motor 2, the rainwater quantity of external rainwater entering the diversion cavity through the gap between the sealing block 10a and the second support 5b can be reduced, and the sealing performance between the gear shell 6 and the shell of the driving motor 2 is further improved.
Further, when rainwater flows to the bottom end of the flow guiding block 10a2 from top to bottom along the outer side of the sealing block 10a, because the horizontal plane of the side of the flow guiding surface 17 close to the second sealing barrel 10a1 is higher than the horizontal plane of the side of the flow guiding surface 17 far away from the second sealing barrel 10a1, the rainwater can continue to flow downwards along the mounting plate 4 under the action of gravity, and cannot flow backwards upwards from the gap between the flow guiding surface 17 and the mounting plate 4; through setting up water conservancy diversion piece 10a2, avoid the rainwater from the junction infiltration second sealing tube 10a1 of sealed piece 10a and mounting panel 4 in, ensure the leakproofness between gear housing 6 and driving motor 2's the casing, simultaneously through the mutual block of water conservancy diversion piece 10a2 and mounting panel 4, the installation location of the sealed piece 10a of being convenient for the installation operation of sealed piece 10a is simple and convenient more.
Furthermore, when the third sealing plate 10b is engaged with the connecting block 19, the third sealing plate 10b, the sealing block 10a and the first sealing cylinder 9a are limited in the horizontal direction through the serrated connecting groove 18, so that the first sealing cylinder 9a is prevented from moving in the horizontal direction in the process of fixing the first sealing plate 7 by bolts, and the sealing between the sealing block 10a and the mounting plate 4 is prevented from being tight.
It should be noted that, in the present specification, each embodiment is described in a progressive manner, and each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other.
The above description is only for the purpose of describing the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and any variations and modifications made by those skilled in the art based on the above disclosure are intended to fall within the scope of the appended claims.
Claims (5)
1. A fracturing pump, characterized by: the pump comprises a pump body (1), a driving motor (2) movably arranged above the pump body (1), a pinion (3) symmetrically arranged at output ends on two sides of the driving motor (2) and a mounting plate (4) symmetrically arranged on two sides of the pump body (1), wherein the fixing piece (5) for fixing the driving motor (2) is symmetrically arranged on the pump body (1), the fixing piece (5) comprises a first semicircular bracket (5 a) arranged on the pump body (1) and a second semicircular bracket (5 b) in bolted connection with the first bracket (5 a), a gear shell (6) is arranged on the mounting plate (4), one side of the driving motor (2) close to the gear shell (6) is in bolted connection with a first annular sealing plate (7), a first sealing gasket (8) is arranged on one side of the first sealing plate (7) close to the driving motor (2), a first sealing piece (9) is arranged on one side of the first sealing plate (7) close to the gear shell (6), a second sealing piece (10) matched with the first sealing piece (9) is arranged on one side of the first sealing plate (6), and a second sealing piece (10) and a diversion sealing layer (10) forming the diversion sealing layer, the first sealing element (9) comprises a first cylindrical sealing cylinder (9 a) and a second annular sealing plate (9 b) arranged at one end, close to the gear shell (6), of the first sealing cylinder (9 a), one side, close to the driving motor (2), of the second sealing plate (9 b) is provided with a second sealing gasket (11) attached to the second sealing element (10), the second sealing element (10) comprises a sealing block (10 a) movably attached to the outer wall of the first sealing cylinder (9 a), a circular arc-shaped third sealing plate (10 b) arranged at the top of the sealing block (10 a) and a circular arc-shaped fourth sealing plate (10 c) arranged at the bottom of the sealing block (10 a) along the vertical direction, the second sealing gasket (11) is attached to one side, close to the gear shell (6), of the sealing block (10 a), the mounting plate (4) is provided with a first semicircular limiting piece (12) movably attached to the outer wall of the sealing block (10 a) and a second limiting piece (12) movably attached to the second sealing plate (9 b), a second limiting piece (13) movably attached to the outer wall of the second sealing plate (9 b) is clamped between the second sealing plate (10 b), and a second limiting groove (14) is formed between the second limiting piece (13), the third sealing plate (10 b) is connected with the gear shell (6) through a bolt, and a third sealing gasket (15) is arranged on one side, close to the driving motor (2), of the gear shell (6).
2. A fracturing pump as claimed in claim 1, wherein: a diversion trench (16) is formed in one side, close to the driving motor (2), of the inner wall of the first limiting part (12), the longitudinal section of the diversion trench (16) is triangular, and one side, close to the driving motor (2), of the sealing block (10 a) and one side, close to the driving motor (2), of the first limiting part (12) are located on the same plane.
3. A fracturing pump according to claim 2, wherein: one side, far away from the gear shell (6), of the top end of the sealing block (10 a) abuts against the side edge of the second support (5 b).
4. A fracturing pump according to claim 3, wherein: the sealing block (10 a) comprises a circular second sealing cylinder (10 a 1) and flow guide blocks (10 a 2) symmetrically arranged on two sides of the second sealing cylinder (10 a 1), the bottom end of each flow guide block (10 a 2) is provided with a planar flow guide surface (17), each flow guide surface (17) is attached to the top end of the mounting plate (4), and the horizontal plane where one side of the second sealing cylinder (10 a 1) is close to of each flow guide surface (17) is higher than the horizontal plane where one side of the second sealing cylinder (10 a 1) is far away from of each flow guide surface (17).
5. A frac pump according to claim 4, wherein: the connecting groove (18) of cockscomb structure are seted up to the bottom of third closing plate (10 b), be provided with connecting block (19) on mounting panel (4), the top of connecting block (19) with connecting groove (18) cooperate, connecting block (19) with gear shell (6) pass through bolted connection.
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| CN202110733412.6A CN113309503B (en) | 2021-06-30 | 2021-06-30 | Fracturing pump |
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| CN202110733412.6A CN113309503B (en) | 2021-06-30 | 2021-06-30 | Fracturing pump |
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| CN113309503B true CN113309503B (en) | 2022-12-02 |
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| CN113883047A (en) * | 2021-11-12 | 2022-01-04 | 黄秀芳 | Reciprocating pump gear guard shield static seal structure |
| CN118074403B (en) * | 2024-04-22 | 2024-07-05 | 山东信昌达给排水设备有限公司 | Stable water-logging fire pump of preventing |
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| CN111140493A (en) * | 2020-01-14 | 2020-05-12 | 浙江工业大学 | High-pressure-resistant high-temperature gear oil pump |
| CA3143991A1 (en) * | 2019-06-18 | 2020-12-24 | Edward Charles KOTAPISH | Electrically-actuated linear pump system and method |
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| US7677316B2 (en) * | 2005-12-30 | 2010-03-16 | Baker Hughes Incorporated | Localized fracturing system and method |
| KR101902008B1 (en) * | 2007-08-30 | 2018-09-28 | 마이크로펌프, 아이엔씨. | Pumps and pump―heads comprising internal pressure―absorbing member |
| US8944758B2 (en) * | 2011-03-01 | 2015-02-03 | Ian Nuhn | Pump for immersion within a fluid reservoir |
| CN204647320U (en) * | 2015-05-28 | 2015-09-16 | 湖北新置密封件有限公司 | A kind of assembly type water conservancy diversion seal arrangement |
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| CN111298486A (en) * | 2019-12-16 | 2020-06-19 | 安徽盛世开元装备科技有限公司 | Thickener |
| CN213392648U (en) * | 2020-07-30 | 2021-06-08 | 淮安福斯特液压科技有限公司 | Explosion-proof hydraulic gear pump |
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| CA3143991A1 (en) * | 2019-06-18 | 2020-12-24 | Edward Charles KOTAPISH | Electrically-actuated linear pump system and method |
| CN111140493A (en) * | 2020-01-14 | 2020-05-12 | 浙江工业大学 | High-pressure-resistant high-temperature gear oil pump |
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