CN210290038U - Fire pump diversion electric two-piston type piston pump - Google Patents
Fire pump diversion electric two-piston type piston pump Download PDFInfo
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- CN210290038U CN210290038U CN201920674166.XU CN201920674166U CN210290038U CN 210290038 U CN210290038 U CN 210290038U CN 201920674166 U CN201920674166 U CN 201920674166U CN 210290038 U CN210290038 U CN 210290038U
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Abstract
The utility model belongs to the technical field of the piston pump, especially, electronic two stopper type piston pumps of fire pump diversion, which comprises a motor, the surface of motor passes through hexagon socket head cap screw fixedly connected with cover, and screw fixedly connected with motor flange is passed through to the one end of motor, and the output shaft of motor passes through key strip and keyway fixedly connected with piston pump shaft, the first bearing of surface difference fixedly connected with and the second bearing of piston pump shaft, and the fixed surface of piston pump shaft is connected with an axle circlip, and axle circlip's surface is pegged graft with the surface of first bearing. This electronic two stopper type piston pumps of fire pump diversion through setting up motor output shaft and piston pump shaft fixed connection, 18 fixedly connected with eccentric wheels of piston pump shaft, the third bearing on eccentric wheel surface promotes the copper billet and drives the motion of piston overcoat to during the diversion, the water pump is in anhydrous state dry grinding operation and leads to mechanical seal to damage, the problem that the fire pump can not normally operate.
Description
Technical Field
The utility model relates to a piston pump technical field especially relates to an electronic two stopper type piston pumps of fire pump diversion.
Background
The piston pump is also called an electric reciprocating pump, and is structurally divided into a single cylinder and a plurality of cylinders, and is characterized by high lift. It is suitable for transporting oil emulsion without solid particles at normal temperature. The device is used for water injection, oil injection and oil extraction of oil fields and coal seams; power pump of hydraulic press of chamber press, hydraulic sand cleaning, ammonia liquor delivery in fertilizer plant, etc. If the overflowing component is made of stainless steel, corrosive liquid can be conveyed. In addition, high-temperature tar, slime, high-concentration mortar, high-viscosity liquid and the like can be conveyed according to different structural materials.
The original fire pump diversion pump adopts a battery valve structure, the power source is an engine, the water pump is started to drive the diversion pump after the engine is put into gear, and after water is diverted, the pressure switch senses water pressure to close the battery valve. During water diversion, the water pump is in a water-free state, the mechanical seal for sealing is operated in a dry grinding mode without water cooling, if water diversion is found out to be in fault, the water diversion time is too long, the mechanical seal can be damaged, and the fire pump cannot operate normally.
SUMMERY OF THE UTILITY MODEL
Based on current former fire pump priming pump adopts the easy technical problem that makes the diversion time overlength can lead to mechanical seal to damage of trouble taking place of battery valve structure diversion, the utility model provides an electronic two stopper type piston pumps of fire pump priming.
The utility model provides an electronic two stopper type piston pumps of fire pump diversion, which comprises a motor, the surface of motor passes through hexagon socket head cap screw fixedly connected with sealing cover, screw fixedly connected with motor flange is passed through to the one end of motor, the output shaft of motor passes through key strip and keyway fixedly connected with piston pump shaft, the first bearing of surface difference fixedly connected with and the second bearing of piston pump shaft, the fixed surface of piston pump shaft is connected with the axial circlip, the surface of axial circlip is pegged graft with the surface of first bearing, the surface of first bearing and the inner wall fixed connection of motor flange, the equal fixedly connected with piston pump body in surface of the surface of first bearing and second bearing, the inner wall fixedly connected with cylinder liner of the piston pump body.
The surface of piston pump shaft has cup jointed the eccentric wheel through key and keyway, the fixed surface of eccentric wheel is connected with the third bearing, the surperficial sliding connection of third bearing has the copper billet, the fixed surface of copper billet is connected with the piston overcoat, the fixed surface of piston overcoat is connected with the sealing washer, the surface sliding connection of surface and cylinder liner of sealing washer, the surface of piston overcoat is through hexagon socket head countersunk screw fixedly connected with pole setting, the surface and the piston overcoat surface of pole setting are provided with O type sealing washer.
The piston pump body's both ends fixedly connected with piston end cover, the inner wall of piston end cover passes through screw and nut fixedly connected with exhaust seal assembly, the inner wall fixedly connected with piston of exhaust seal assembly breathes in the sealing washer, the fixed surface of piston breathing in the sealing washer is connected with the piston and breathes in sealed the pad.
Preferably, the inner wall of the piston pump body is fixedly connected with an oil seal, and the inner wall of the oil seal is in sliding connection with the surface of the piston pump shaft.
Preferably, the surface of the piston pump shaft is sleeved with a shaft sleeve in a sliding manner, and two ends of the shaft sleeve are respectively inserted into the surfaces of the second bearing and the eccentric wheel.
Preferably, the surface of the end cover and the surface of the piston pump body are both fixedly connected with a third O-shaped sealing ring, and the inner wall of the end cover is fixedly connected with a copper core.
Preferably, the surface of the piston pump body is fixedly connected with a rear cover, the inner wall of the piston pump body is fixedly connected with a second O-shaped sealing ring, and the surface of the second O-shaped sealing ring is fixedly connected with the surface of the rear cover.
Preferably, the surface of the piston pump body is fixedly communicated with a water inlet and a water outlet through bolts respectively, and the surface of each bolt is sleeved with an elastic pad and a flat pad.
Preferably, the elastic pad is inserted into the surface of the flat pad, and the surface of the flat pad is respectively inserted into the surfaces of the water inlet and the water outlet.
The utility model provides a beneficial effect does:
1. by arranging the motor output shaft to be fixedly connected with the piston pump shaft, the piston pump shaft 18 is fixedly connected with an eccentric wheel, a third bearing on the surface of the eccentric wheel pushes a copper block to drive the piston outer sleeve to move, thereby solving the problems that the mechanical seal is damaged and the fire pump can not normally operate because the water pump is in an anhydrous state and is in dry grinding operation during water diversion, lubricating grease is used for lubricating the screw joints at the matching parts and the sealing parts when in use, the plunger pump body is filled with lubricating oil, the height of the oil surface reaches the middle of the graduation line of the dipstick, the lubricating oil is SY1201-78, a No. 20 engine oil steel sleeve is selected as the lubricating oil to be in interference fit with the pump shell, the steel sleeve is pressed into the pump body on a press machine by a pressing die, the outer end surface and the end plane of the pump body are integrally processed after being pressed, a vacuumizing performance test is carried out, the vacuumizing capacity is not less than 85KPa, thereby solved current former fire pump priming pump and adopted the battery valve structure priming easily to take place the trouble and make the priming time overlength can lead to mechanical seal to damage's technical problem.
Drawings
Fig. 1 is a schematic view of an electric piston pump with two pistons for water diversion of a fire pump according to the present invention;
fig. 2 is a front view of a piston end cover structure of a water diversion electric two-piston type piston pump of the fire pump provided by the utility model;
fig. 3 is a right side view of a piston end cover structure of a fire pump diversion electric two-piston type piston pump provided by the utility model;
fig. 4 is a side sectional view of a piston end cover structure of a fire pump diversion electric two-piston type piston pump provided by the utility model;
fig. 5 is a side view of a piston end cover structure of a fire pump diversion electric two-piston type piston pump provided by the utility model;
fig. 6 is a front sectional view of a piston end cover structure of a fire pump diversion electric two-piston type piston pump provided by the utility model;
fig. 7 is a left side view of a piston end cover structure of a fire pump diversion electric two-piston type piston pump provided by the utility model;
fig. 8 is a sectional view of a piston suction seal ring structure of a fire pump diversion electric two-piston type piston pump provided by the utility model;
fig. 9 is a front cross-sectional view of a piston jacket of a fire pump diversion electric two-piston type piston pump provided by the utility model;
fig. 10 is a side view of a piston jacket of a fire pump priming electric two-piston type piston pump provided by the present invention;
fig. 11 is a side sectional view of a piston jacket of a fire pump diversion electric two-piston type piston pump provided by the utility model;
fig. 12 is a cross-sectional view of a vertical rod of a fire pump water diversion electric double-piston type piston pump provided by the utility model;
fig. 13 is a side view of the eccentric wheel structure of the fire pump priming electric two-piston type piston pump provided by the utility model;
fig. 14 is a side view of a copper core structure of a fire pump priming electric two-piston type piston pump provided by the utility model;
fig. 15 is the utility model provides a motor transition flange side view of electronic two stopper type piston pumps of fire pump diversion.
In the figure: 1. a bolt; 2. a spring pad; 3. flattening the cushion; 4. bolt type M8; 5. a piston end cap; 6. a piston air suction sealing ring; 7. a piston suction gasket; 8. an exhaust seal assembly; 9. a third O-shaped sealing ring; 10. a piston pump body; 11. a piston outer sleeve; 12. a seal ring; 13. a cylinder liner; 14. inner hexagon countersunk head screws; 15. a copper block; 16. a second O-ring seal; 17. a second bearing; 18. a piston pump shaft; 19. a key; 20. a shaft sleeve; 21. erecting a rod; 22. an eccentric wheel; 23. an O-shaped sealing ring; 24. a third bearing; 25. a copper core; 26. a screw; 27. a nut; 28. a motor transition flange; 29. a socket head cap screw; 30. a motor; 32. a first bearing; 39. a key bar; 40. a circlip for the shaft; 41. and (7) oil sealing.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-15, an electric two-piston type piston pump for water diversion of a fire pump comprises a motor 30, wherein the surface of the motor 30 is fixedly connected with an enclosure through an inner hexagonal socket head screw 29, one end of the motor 30 is fixedly connected with a motor transition flange 28 through a screw, an output shaft of the motor 30 is fixedly connected with a piston pump shaft 18 through a key strip 39 and a key groove, the surface of the piston pump shaft 18 is respectively and fixedly connected with a first bearing 32 and a second bearing 17, the surface of the piston pump shaft 18 is fixedly connected with a shaft elastic check ring 40, and the surface of the shaft elastic check ring 40 is inserted with the surface of the first bearing 32;
the surface of the first bearing 32 is fixedly connected with the inner wall of the motor transition flange 28, the surface of the first bearing 32 and the surface of the second bearing 17 are both fixedly connected with the piston pump body 10, the inner wall of the piston pump body 10 is fixedly connected with the cylinder sleeve 13, the inner wall of the piston pump body 10 is fixedly connected with the oil seal 41, the inner wall of the oil seal 41 is slidably connected with the surface of the piston pump shaft 18, and the surface of the piston pump shaft 18 is sleeved with the eccentric wheel 22 through the key 19 and the key groove;
the surface of the piston pump body 10 is fixedly connected with a rear cover, the inner wall of the piston pump body 10 is fixedly connected with a second O-shaped sealing ring 16, and the surface of the second O-shaped sealing ring 16 is fixedly connected with the surface of the rear cover 43;
the surface of the piston pump body 10 is fixedly communicated with a water inlet and a water outlet through a bolt 1, the surface of the bolt 1 is sleeved with an elastic pad 2 and a flat pad 3, the elastic pad 2 is inserted with the surface of the flat pad 3, and the surface of the flat pad 3 is inserted with the surfaces of the water inlet and the water outlet;
the surface of the end cover 5 and the surface of the piston pump body 10 are both fixedly connected with a third O-shaped sealing ring 9, and the inner wall of the end cover 5 is fixedly connected with a copper core 25;
a shaft sleeve 20 is sleeved on the surface of the piston pump shaft 18 in a sliding manner, and two ends of the shaft sleeve 20 are respectively inserted with the surfaces of the second bearing 17 and the eccentric wheel 22;
the surface of the eccentric wheel 22 is fixedly connected with a third bearing 24, the surface of the third bearing 24 is connected with a copper block 15 in a sliding mode, the surface of the copper block 15 is fixedly connected with a piston outer sleeve 11, the surface of the piston outer sleeve 11 is fixedly connected with a sealing ring 12, the surface of the sealing ring 12 is connected with the surface of a cylinder sleeve 13 in a sliding mode, the surface of the piston outer sleeve 11 is fixedly connected with an upright rod 21 through an inner hexagonal countersunk head screw 14, and the surface of the upright rod 21 and the surface of the piston outer sleeve 11 are provided with O-shaped.
The two ends of the piston pump body 10 are fixedly connected with piston end covers 5, the inner walls of the piston end covers 5 are fixedly connected with exhaust sealing assemblies 8 through screws 26 and nuts 27, the inner walls of the exhaust sealing assemblies 8 are fixedly connected with piston air suction sealing rings 6, and the surfaces of the piston air suction sealing rings 6 are fixedly connected with piston air suction sealing gaskets 7;
an output shaft of a motor 30 is fixedly connected with a piston pump shaft 18, the piston pump shaft 18 is fixedly connected with an eccentric wheel 22, a third bearing 24 on the surface of the eccentric wheel 22 pushes a copper block 15 to drive a piston outer sleeve 11 to move, so that the problems that mechanical seals are damaged due to the fact that a water pump runs in a dry grinding mode in an anhydrous state and the fire pump cannot run normally are solved, when the fire pump is used, lubricating grease is used for lubricating joints of screws at the sealing positions, lubricating oil is filled into a plunger pump body, the height of the oil level reaches the middle of a scale mark of an oil ruler, SY1201-78 lubricating oil is selected as lubricating oil, a No. 20 engine oil steel sleeve 13 is in interference fit with the pump shell, the steel sleeve is pressed into the pump body on a press machine through a pressing die, the outer end face after pressing and the end face of the pump body are processed as a whole, a vacuumizing performance test is carried out, the vacuumizing capacity is not less than 85KPa, and the technical problem that the mechanical seals are damaged due .
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides an electronic two stopper type piston pumps of fire pump diversion, includes motor (30), its characterized in that: the surface of the motor (30) is fixedly connected with an enclosure through an inner hexagonal cylindrical head screw (29), one end of the motor (30) is fixedly connected with a motor transition flange (28) through a screw, an output shaft of the motor (30) is fixedly connected with a piston pump shaft (18) through a key bar (39) and a key groove, the surface of the piston pump shaft (18) is respectively and fixedly connected with a first bearing (32) and a second bearing (17), the surface of the piston pump shaft (18) is fixedly connected with a shaft elastic retainer ring (40), the surface of the circlip (40) for the shaft is inserted into the surface of the first bearing (32), the surface of the first bearing (32) is fixedly connected with the inner wall of the motor transition flange (28), the surface of the first bearing (32) and the surface of the second bearing (17) are both fixedly connected with a piston pump body (10), and the inner wall of the piston pump body (10) is fixedly connected with a cylinder sleeve (13);
an eccentric wheel (22) is sleeved on the surface of the piston pump shaft (18) through a key (19) and a key groove, a third bearing (24) is fixedly connected to the surface of the eccentric wheel (22), a copper block (15) is connected to the surface of the third bearing (24) in a sliding manner, a piston outer sleeve (11) is fixedly connected to the surface of the copper block (15), a sealing ring (12) is fixedly connected to the surface of the piston outer sleeve (11), the surface of the sealing ring (12) is connected with the surface of a cylinder sleeve (13) in a sliding manner, an upright rod (21) is fixedly connected to the surface of the piston outer sleeve (11) through an inner hexagonal countersunk head screw (14), and an O-shaped sealing ring (23) is arranged on the surface of the upright rod (21) and the surface;
the utility model discloses a piston pump body, including the piston pump body, the both ends fixedly connected with piston end cover (5) of piston pump body (10), the inner wall of piston end cover (5) passes through screw (26) and nut (27) fixedly connected with exhaust sealed assembly (8), the inner wall fixedly connected with piston of exhaust sealed assembly (8) inhales sealing washer (6), the fixed surface of piston inhaling sealing washer (6) is connected with the piston and inhales sealed pad (7).
2. A fire pump priming electric two-piston type piston pump according to claim 1, characterized in that: the inner wall of the piston pump body (10) is fixedly connected with an oil seal (41), and the inner wall of the oil seal (41) is in sliding connection with the surface of the piston pump shaft (18).
3. A fire pump priming electric two-piston type piston pump according to claim 1, characterized in that: and the surface of the piston pump shaft (18) is sleeved with a shaft sleeve (20) in a sliding manner, and two ends of the shaft sleeve (20) are respectively inserted into the surfaces of the second bearing (17) and the eccentric wheel (22).
4. A fire pump priming electric two-piston type piston pump according to claim 1, characterized in that: the surface of the end cover (5) and the surface of the piston pump body (10) are fixedly connected with a third O-shaped sealing ring (9), and the inner wall of the end cover (5) is fixedly connected with a copper core (25).
5. A fire pump priming electric two-piston type piston pump according to claim 1, characterized in that: the surface fixed connection of the piston pump body (10) is covered after, the inner wall fixed connection of the piston pump body (10) has the second O type sealing washer (16), the surface of second O type sealing washer (16) and the fixed surface connection of back lid (43).
6. A fire pump priming electric two-piston type piston pump according to claim 1, characterized in that: the surface of the piston pump body (10) is fixedly communicated with a water inlet and a water outlet through bolts (1), and the surface of each bolt (1) is sleeved with an elastic pad (2) and a flat pad (3).
7. A fire pump priming electric two-piston type piston pump according to claim 6, characterized in that: the elastic pad (2) is inserted into the surface of the flat pad (3), and the surface of the flat pad (3) is respectively inserted into the surfaces of the water inlet and the water outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920674166.XU CN210290038U (en) | 2019-05-13 | 2019-05-13 | Fire pump diversion electric two-piston type piston pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920674166.XU CN210290038U (en) | 2019-05-13 | 2019-05-13 | Fire pump diversion electric two-piston type piston pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210290038U true CN210290038U (en) | 2020-04-10 |
Family
ID=70069519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920674166.XU Expired - Fee Related CN210290038U (en) | 2019-05-13 | 2019-05-13 | Fire pump diversion electric two-piston type piston pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210290038U (en) |
-
2019
- 2019-05-13 CN CN201920674166.XU patent/CN210290038U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200410 Termination date: 20210513 |
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| CF01 | Termination of patent right due to non-payment of annual fee |