CN201241841Y

CN201241841Y - Horizontal non-leakage strong self-priming pump

Info

Publication number: CN201241841Y
Application number: CNU2008200147538U
Authority: CN
Inventors: 闫家林
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-08-12
Filing date: 2008-08-12
Publication date: 2009-05-20
Anticipated expiration: 2018-08-12

Abstract

A horizontal non-leakage strong self-suction pump relates to the industry and city water delivering devices, wherein a sliding gear and an eccentric gear are mounted on a pump shaft, a crank is mounted on the eccentric gear and is connected with a connecting rod, a bearing retaining sleeve is mounted on the pump shaft, a bearing, a round nut, a rear bearing gland and a front bearing gland are mounted on the pump shaft, the pump shaft is mounted on a bearing carrier and is mounted with a shaft sleeve, a gland, an end ring and muddy packing are arranged outside the shaft sleeve, a pump cover is connected with the bearing carrier, the pump shaft is mounted with an auxiliary impeller, an impeller and a rear abrasion resistant plate, which are fixed by impeller nuts, the pump body is mounted on the pump cover and is mounted with a seal ring, a suction chamber is mounted on the pump body and is mounted with a gas liquid separator, a suction exhaustion device is mounted on the bearing carrier and is connected with the connecting rod, the gas liquid separator and the suction exhaustion device are communicated via pipes, and a check valve component is mounted on the pump. The horizontal non-leakage strong self-suction pump has the advantages of self suction, long service life and non leakage.

Description

Horizontal no leak strong self-priming pump

Technical field; The invention is to be used for conveying equipments such as industry and city water, draining, fire-fighting.

Background technique: the pump of the mechanical seal of when industry and city water, draining, fire-fighting and agricultural drainage and irrigation or conveying have the sewage of certain solid particle or sump oil, installing, because of mechanical seal is having easy to wear leakage the under crystallization, the harsh conditions such as impure, be difficult to working life guarantee, and the common fillers sealing can not guarantee not have the operation of leakage, and safeguard that change filler bothers very much, increased working strength of workers, using effect neither be very desirable.

Summary of the invention: the purpose of the invention provides a kind of Horizontal no leak strong self-priming pump that has suction capacity and can increase the service life; The purpose of the invention is to realize by following technological scheme: Horizontal no leak strong self-priming pump is characterized in that being made up of impeller, the pump housing, seal ring, impeller nut, suction-chamber's body, sub-propeller, back wearing plate, gas-liquid separation device, pump cover, check valve assembly, axle sleeve, end ring, muddy packing, gland, pump shaft, bearing bracket stand, suction-exhaust device, connecting rod, crank, bearing interstage sleeve, round nut, rear bearing gland, bearing, eccentricity gear, sliding gear, bearing, front end bearing gland; Sliding gear is sleeved on the pump shaft connects through key, eccentricity gear is contained on the pump shaft through bearing housing, crank is contained on the eccentricity gear, crank connects connecting rod, the bearing interstage sleeve is contained on the pump shaft, with bearing, round nut, the rear bearing gland, the front end bearing gland is contained on the pump shaft, pump shaft is contained on the bearing bracket stand, the rear bearing gland, the front end bearing gland is fixed on the bearing bracket stand, at pump shaft front end dress axle sleeve, at axle sleeve outside dress gland, end ring, muddy packing is connected pump cover with bearing bracket stand, at the pump shaft front end sub-propeller is installed, impeller connects through key, fix with impeller nut, at sub-propeller, the back wearing plate is installed between the impeller, and the pump housing is installed on the pump cover, between the pump housing and impeller, seal ring is installed, suction-chamber's body is installed on the pump housing, adorns gas-liquid separation device on suction-chamber's body, and suction-exhaust device is contained on the bearing bracket stand and with connecting rod and is connected, gas-liquid separation device, suction-exhaust device is communicated with pipe, and check valve assembly is contained on the pump housing.

The advantage of the invention: pump is in when work, because the rotation of sub-propeller produces centrifugal force, the pressure that sub-propeller can the balance main impeller be produced produces negatively in the sub-propeller wheel hub, turn round thereby make pump realize not having leaking; After pump stopped, medium can not leaked because the pressure of the back sealing part of stopping is minimum by the sealing of parking sealer muddy packing, thereby filler also needn't press very tightly, had reduced filler and axle sleeve and had worn and torn, and had prolonged working life; Owing to adopted gas-liquid separation device, suction-exhaust device to have suction capacity.

Description of drawings:

Fig. 1 is the Horizontal no leak strong self-priming pump structural representation.

Among the figure: 1, impeller 2, the pump housing 3, seal ring 4, impeller nut 5, suction-chamber's body 6, sub-propeller 7, back wearing plate 8, gas-liquid separation device 9, pump cover 10, check valve assembly 11, axle sleeve 12, end ring 13, muddy packing 14, gland 15, pump shaft 16, bearing bracket stand 17, suction-exhaust device 18, connecting rod 19, crank 20, bearing interstage sleeve 21, round nut 22, rear bearing gland 23, bearing 24, eccentricity gear 25, sliding gear 26, bearing 27, the front end bearing gland

Embodiment: Horizontal no leak strong self-priming pump is characterized in that being made up of impeller, the pump housing, seal ring, impeller nut, suction-chamber's body, sub-propeller, back wearing plate, gas-liquid separation device, pump cover, check valve assembly, axle sleeve, end ring, muddy packing, gland, pump shaft, bearing bracket stand, suction-exhaust device, connecting rod, crank, bearing interstage sleeve, round nut, rear bearing gland, bearing, eccentricity gear, sliding gear, bearing, front end bearing gland; Sliding gear is sleeved on the pump shaft connects through key, eccentricity gear is contained on the pump shaft through bearing housing, crank is contained on the eccentricity gear, crank connects connecting rod, the bearing interstage sleeve is contained on the pump shaft, with bearing, round nut, the rear bearing gland, the front end bearing gland is contained on the pump shaft, pump shaft is contained on the bearing bracket stand, the rear bearing gland, the front end bearing gland is fixed on the bearing bracket stand, at pump shaft front end dress axle sleeve, at axle sleeve outside dress gland, end ring, muddy packing is connected pump cover with bearing bracket stand, at the pump shaft front end sub-propeller is installed, impeller connects through key, fix with impeller nut, at sub-propeller, the back wearing plate is installed between the impeller, and the pump housing is installed on the pump cover, between the pump housing and impeller, seal ring is installed, suction-chamber's body is installed on the pump housing, adorns gas-liquid separation device on suction-chamber's body, and suction-exhaust device is contained on the bearing bracket stand and with connecting rod and is connected, gas-liquid separation device, suction-exhaust device is communicated with pipe, and check valve assembly is contained on the pump housing.

Sliding gear and eccentricity gear can be realized clutch by the drive of handle, then sliding gear and eccentricity gear are closed when needing self-priming before the primer pump, primer pump, suction-exhaust device and gas-liquid separation device are started working, after finishing, sliding gear and eccentricity gear can be separated self-priming, suction-exhaust device and gas-liquid separation device promptly quit work, reduce suction-exhaust device and gas-liquid separation device operating time, thereby reached the purpose that prolongs suction-exhaust device and gas-liquid separation device working life and energy saving; Gas-liquid separation device is a kind of float-ball type bleed valve, ball falls valve and opens when air-breathing, after the air-breathing liquid Yan that finishes is full because the buoyancy of liquid effect makes ball float grow and valve cuts out, thereby avoided sucked liquid to enter suction-exhaust device and and cause the pollution damage of suction-exhaust device; Suction-exhaust device essence is the double-acting diaphragm pump of a single suction, drives the move reciprocatingly volume circulation change that makes pump chamber of barrier film by crank and reaches the purpose of suction gas; Be shaped on entery and delivery port on the pump housing.

The pump work process: primer pump, suction-exhaust device and gas-liquid separation device are started working, and the gas in the pump suction pipe road is discharged, liquid is full of the pump housing after the gas emptying, ball floats the valve of closing in the gas-liquid separation device, and suction-exhaust device quits work, and pump begins to run well.

The Strong self-priming undersurface shaftless sewage pump advantage: when 1, starting, need not pour water, without vacuum pump, without bottom valve, pump self can absorb water in exhaust; 2, self-priming time is short, and suction capacity is strong; 3, Du Te suction means: make liquid level to being in the near vacuum state between the impeller all the time, improved the efficient of pump, reduced the cavitation damage of pavilion wheel; 4, inhale vacuum system: can realize automatically or go into control by clutch mechanism, to reach the purpose that increases the service life with energy saving; 5, easy to install, need not build underground pump house, pump is installed on the ground, pick-up tube is inserted in the water and can be absorbed water; 6, adopted muddy packing, the back of stopping does not have leakage; 7, Maintenance and Repair are convenient.

Strong self-priming undersurface shaftless sewage pump, be applicable to industry and city water, draining, fire-fighting, also can be used for the family property irrigation and drainage, the confession delivery temperature is not higher than 90 ℃ clear water or the sewage or the greasy dirt of certain solid particle is arranged, be particularly suitable for doing the usefulness of sewage treatment works, oil field, electric power plant circulating water pump, also can do purposes such as Iron And Steel Plant, dock, municipal blowdown.

Claims

1, Horizontal no leak strong self-priming pump is characterized in that being made up of impeller, the pump housing, seal ring, impeller nut, suction-chamber's body, sub-propeller, back wearing plate, gas-liquid separation device, pump cover, check valve assembly, axle sleeve, end ring, muddy packing, gland, pump shaft, bearing bracket stand, suction-exhaust device, connecting rod, crank, bearing interstage sleeve, round nut, rear bearing gland, bearing, eccentricity gear, sliding gear, bearing, front end bearing gland; Sliding gear is sleeved on the pump shaft connects through key, eccentricity gear is contained on the pump shaft through bearing housing, crank is contained on the eccentricity gear, crank connects connecting rod, the bearing interstage sleeve is contained on the pump shaft, with bearing, round nut, the rear bearing gland, the front end bearing gland is contained on the pump shaft, pump shaft is contained on the bearing bracket stand, the rear bearing gland, the front end bearing gland is fixed on the bearing bracket stand, at pump shaft front end dress axle sleeve, at axle sleeve outside dress gland, end ring, muddy packing is connected pump cover with bearing bracket stand, at the pump shaft front end sub-propeller is installed, impeller connects through key, fix with impeller nut, at sub-propeller, the back wearing plate is installed between the impeller, and the pump housing is installed on the pump cover, between the pump housing and impeller, seal ring is installed, suction-chamber's body is installed on the pump housing, adorns gas-liquid separation device on suction-chamber's body, and suction-exhaust device is contained on the bearing bracket stand and with connecting rod and is connected, gas-liquid separation device, suction-exhaust device is communicated with pipe, and check valve assembly is contained on the pump housing.