CN2418274Y - Planetary rotor pump - Google Patents

Abstract

The utility model relates to a planetary rotor pump which comprises a pump body, an eccentric shaft, a cylindrical rotor, and a follower plate, wherein the upper end of the pump body is provided with a follower plate chamber which is communicated with the interior of the pump body, the follower plate is installed in the follower plate chamber, the follower plate is provided with a plurality of spring chambers which are provided with springs, and the upper end of each spring is abutted against the top wall of a concave slot which is arranged on the inner wall of an upper cover plate and is corresponding to the spring. The left and the right ends of the eccentric shaft are respectively provided with a dummy club which is borne by a bearing which is installed in a bearing sleeve, and each bearing sleeve is fixedly connected with the cylindrical rotor through a bearing sleeve support. The utility model has the advantages of novel structure, strong self-suction force, high medium conveyance efficiency, stable operation, convenient operation, long service life, good energy saving effect, etc.

Description

Planetary rotor pump

The utility model relates to a kind of pump, particularly relates to a kind of rotor pump that is equiped with movable head.

Rotor pump is widely used in oil, chemical industry, industries such as electric power, smelting, food.There is following shortcoming in present existing rotor pump:

Serious wear between slide block and the slide block when 1, working, even phenomenon of rupture takes place sometimes;

2, between slide block and the eccentric shaft, sliding bearing abrasion is serious, causes pump efficiency and working life to be reduced, and noise is excessive;

3, power consumption is big.

The purpose of this utility model is the problems referred to above that exist at rotor pump, provides a kind of efficient height, good energy-conserving effect, the planetary rotor pump of long service life.

The purpose of this utility model adopts following technical proposals to realize, that is:

Planetary rotor pump comprises pump housing assembly, movable head assembly, planet rotor assembly.Pump housing assembly comprises pump housing left cover, right cover plate and upper cover plate.A plurality of grooves are arranged on the inwall of upper cover plate.There is the movable head chamber upper end of the pump housing, communicates in movable head chamber and the pump housing.By being bolted to the left and right end of the pump housing, upper cover plate is arranged on the movable head chamber opening of the pump housing to left and right cover plate respectively, and its and arranged on left and right sides wall is fixedlyed connected with left and right cover plate by bolt respectively.The planet rotor assembly comprises eccentric shaft, cylindrical rotor, balance plate.The two ends of eccentric shaft are supported by the bearing in the axis hole that is installed in left and right cover plate respectively.The left and right end of eccentric shaft has boss respectively, and is supported by the bearing that is installed in the axle sleeve respectively, and axle sleeve is fixedlyed connected with cylindrical rotor by the axle sleeve bearing.Balance plate is fixed on the eccentric shaft.The movable head assembly comprises movable head and a plurality of spring.It is indoor that movable head is installed in movable head.A plurality of spring housing are arranged on the movable head, and the upper end open of a plurality of spring housing is corresponding with a plurality of grooves on the upper cover plate inwall respectively, and a plurality of springs are separately positioned in a plurality of spring housing.The lower end surface of movable head contacts with cylindrical rotor.

When eccentric shaft is rotated by driven by motor, cylindrical rotor is rolled along pump housing inwall, and form volume, be periodically variable crescent shape active chamber.Movable head plays the separate space effect along with rotor pumps.Form cavity between the pump housing and the cylindrical rotor motion, produce pressure, realize that the suction of medium is carried, very strong suction capacity is arranged.

The utility model is applicable to industry such as oil field, petrochemical industry, low viscosity medium such as it not only can transporting water, gasoline, diesel oil, but also can conveying crude oil, paraffin wax, paint, rubber pulp, grease, glycerine, paper pulp and waste water etc. contains the liquid of impurity.The centrifugal multistage pump of the alternative present use of the utility model, plunger pump, cam pump, Roots pump, gear pump etc.The utlity model has the characteristics of positive and negative operation,, can draw back the original place to the medium of discharging in the sense of rotation of motor that needs only to change under the situation.

The utility model novel structure, volume is little, self-suction is strong, fed sheet of a media efficient height, stable, easy to operate, long service life, of many uses and good energy-conserving effect advantages such as (than like products energy-conservation about 30%).

Fig. 1 is an a kind of embodiment's of the present utility model structural representation, and Fig. 2 is the A of Fig. 1---the A view.

The drawing reference numeral explanation:

1 is that the pump housing, 2 is that balance plate, 3 is that left cover, 4 is that eccentric shaft, 5 is that bearing, 6 is that flange, 7 is that bearing, 8 is that cylindrical rotor, 9 is that movable head, 10 is that spring, 11 is that spring housing, 12 is that groove, 13 is that upper cover plate, 14 is that bearing housing, 15 is that right cover plate, 16 is that bearing, 17 is that media outlet, 18 is that medium import, 19 is that movable head chamber, 20 is that roof, 21 and 22 is that boss, 23 is that bearing, 24 is the bearing housing bearing.

The utility model is described in further detail below in conjunction with accompanying drawing.

Planetary rotor pump comprises pump housing assembly, movable head assembly, planet rotor assembly.Pump housing assembly comprises the pump housing 1, left cover 3, right cover plate 15, upper cover plate 13.3 grooves 12 are arranged on the inwall of upper cover plate 13.The pump housing 1 has media outlet 17 and medium import 18.The upper end of the pump housing 1 have with the pump housing in the movable head chamber 19 that communicates.The inwall of the pump housing 1 is a cylindrical shape.Left cover 3, right cover plate 15 are respectively by being bolted to the left and right end of the pump housing 1.Fixedly connected with left cover 3, right cover plate 15 by bolt respectively in the two side of upper cover plate 13.The movable head assembly comprises movable head 9 and 3 springs 10.There are 11,3 springs 10 of 3 spring housing to be installed in respectively in 3 spring housing 11 on the movable head 9.Movable head 9 is arranged in the movable head chamber 19, and the upper end of 3 springs 10 is replaced respectively on the roof 20 of 3 grooves 12 on the upper cover plate 13.The planet rotor assembly comprises eccentric shaft 4, cylindrical rotor 8.The two ends of eccentric shaft 4 are supported by the bearing 5 in the axis hole that is installed in left cover 3, right cover plate 15, bearing 16 respectively.Boss 21 and boss 22 are arranged on the eccentric shaft 4, and boss 21 and 22 is supported by the bearing 7 and the bearing 23 that are installed in the bearing housing 14 respectively, and bearing housing 14 is fixedlyed connected with cylindrical rotor 8 by bearing housing bearing 24.Move with movable head 9 during cylindrical rotor 8 rotation and contact.Be fixed with balance plate 2 at the middle part of eccentric shaft 4.

Claims (2)

1, planetary rotor pump comprises pump housing assembly, planet rotor assembly, movable head assembly; Pump housing assembly comprises the pump housing (1), left cover (3), right cover plate (15), and left cover (3), right cover plate (15) are separately fixed at the left and right end of the pump housing (1), and meson import (18) and media outlet (17) are arranged on the pump housing (1); Rotor assembly comprises eccentric shaft (4), the two ends of eccentric shaft (4) are supported by bearing (5), bearing (16) in the axis hole that is installed in left cover (3), right cover plate (15) respectively, the upper end that it is characterized in that the described pump housing (1) have with the pump housing in the movable head chamber (19) that communicates, be provided with upper cover plate (13) at the upper end-hole place of movable head chamber (19), fixedly connected with right cover plate (15) with left cover (3) respectively in the two side of upper cover plate (13), a plurality of grooves (12) are arranged on the inwall of upper cover plate (13); On described eccentric shaft (4), be set with cylindrical rotor (8), boss (21) and boss (22) are arranged on the eccentric shaft (4), boss (21) and boss (22) are supported by the bearing (7) and the bearing (23) that are installed in the bearing housing (14) respectively, bearing housing (14) is fixedlyed connected with cylindrical rotor (8) by bearing housing bearing (24), and cylindrical rotor (8) contacts with movable head (9); The movable head assembly comprises movable head (9) and a plurality of spring (10), a plurality of spring housing (11) are arranged on the movable head (9), a plurality of springs (10) are installed in respectively in a plurality of spring housing (11), movable head (9) is arranged in the movable head chamber (19), and the upper end of a plurality of springs (10) is replaced respectively on the roof (20) of a plurality of grooves (12) on the upper cover plate (13).

2, planetary rotor pump according to claim 1 is characterized in that on the inwall of described upper cover plate (13) 3 grooves (12) being arranged, and 3 spring housing (11) are arranged on the described movable head (9).

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