CN209818313U

CN209818313U - Environment-friendly maintenance-free slurry pump

Info

Publication number: CN209818313U
Application number: CN201920160801.2U
Authority: CN
Inventors: 魏复兴; 姚长宏; 刘宏亮
Original assignee: Shandong Zipu Pump Industry Co Ltd
Current assignee: Shandong Zipu Pump Industry Co Ltd
Priority date: 2019-01-30
Filing date: 2019-01-30
Publication date: 2019-12-20
Anticipated expiration: 2029-01-30

Abstract

The utility model discloses an environmental protection maintenance-free type sediment stuff pump, including axle, machine gland, mechanical seal, back axle sleeve, back self-lubricating bearing, back bearing box, bracket cover, axle sleeve nut, back thrust disc, cooling water joint, bracket, preceding thrust disc, preceding self-lubricating bearing, preceding axle sleeve, front bearing box, linkage segment, impeller end self-lubricating bearing, impeller end bearing box, the auxiliary impeller, back pump cover, back backplate, the apron plate, lip seal, preceding pump case, cooling water flow indicator, cooling water control valve, impeller, holding screw, O type sealing washer and adjusting bolt. The utility model has the advantages that: simple structure, convenient to use, it is reliable to operate steadily, and safety ring protects, the noise is low, non-maintaining, application range is wide, has solved the sediment stuff pump and has maintained the difficulty, dry grinding, and the oil leak phenomenon makes pump body reliability higher, has guaranteed the utility model discloses a safe and reliable operation has improved life greatly, has satisfied people's operation requirement.

Description

Environment-friendly maintenance-free slurry pump

Technical Field

The utility model relates to a sediment stuff pump technical field especially relates to the environmental protection and exempts from to maintain the type sediment stuff pump.

Background

Most of slurry pump faults are caused by the vibration and overcurrent phenomena of the water pump caused by the fact that rigid rolling bearings at two ends of a suspension body are not maintained in time and lack of oil (grease) causes abrasion of the bearings, secondly, when the bearings are lubricated by thin oil, oil leakage phenomena generally exist at two bearing cover ends, the environment is polluted, the water leakage phenomena are caused by sealing and damaging the pump ends, and the normal work of the centrifugal pump is directly influenced. The traditional slurry pump has high maintenance cost, needs to be attended by people, has a complex structure, needs professional maintenance once a fault occurs, and cannot meet the use requirements of people.

SUMMERY OF THE UTILITY MODEL

The utility model provides an environment-friendly maintenance-free slurry pump for overcoming the defects existing in the prior art.

In order to solve the technical problem, the utility model provides a technical scheme does: the environment-friendly maintenance-free slurry pump comprises a shaft, a machine seal gland, a mechanical seal, a rear shaft sleeve, a rear self-lubricating bearing, a rear bearing box, a bracket cover, a shaft sleeve nut, a rear thrust disc, a cooling water joint, a bracket, a front thrust disc, a front self-lubricating bearing, a front shaft sleeve, a front bearing box, a connecting section, an impeller end self-lubricating bearing, an impeller end bearing box, an auxiliary impeller, a rear pump cover, a rear protective plate, a front protective plate, a lip-shaped sealing ring, a front pump shell, a cooling water flow indicator, a cooling water control valve, an impeller, a set screw, an O-shaped sealing ring and an adjusting bolt, wherein the shaft is provided with the shaft sleeve nut for locking the rear shaft sleeve, the rear thrust disc, the impeller locking auxiliary impeller, the front shaft sleeve and the front thrust disc, the rear self-lubricating bearing is fixed in the rear bearing box through the screw, the impeller end maintenance-free self-lubricating bearing is fixed in the impeller end bearing box, the mechanical seal gland and the impeller end bearing box are both provided with cooling water connectors, the cooling water connectors are connected and provided with cooling water connecting pipes, the cooling water connecting pipes are provided with cooling water control valves and cooling water flow indicators, the auxiliary impeller is arranged in the impeller end bearing box, the rear protection plate is fastened on the rear pump cover through bolts, the front protection plate is fastened on the front pump shell through bolts, the bracket cover is fixed on the bracket through screws, and the rear bearing box is provided with adjusting bolts and an O-shaped sealing ring.

Preferably, the clearance between the rear self-lubricating bearing and the rear thrust disc is 2 mm.

Preferably, the gap between the front self-lubricating bearing and the front thrust disc is 2 mm.

As a preferred scheme, an impeller end maintenance-free self-lubricating bearing and a lip-shaped sealing ring are mounted on the impeller end bearing box.

By adopting the technical scheme, the method has the following beneficial effects:

the utility model discloses simple structure, convenient to use, the steady operation is reliable, and safety ring protects, the noise is low, non-maintaining, application range is wide, mainly used carries the abrasiveness or the corrosivity slurry that contain solid particle. The extensive power of using, the mine, metallurgy, coal, building materials, the chemical industry, food, trades such as water conservancy and sewage treatment have solved the sediment stuff pump and have maintained the difficulty, dry grinding, and the oil leak phenomenon makes pump body reliability higher, has increased the non-maintaining self-lubricating bearing's of axial thrust structural style on traditional sediment stuff pump's basis, changes original lubricated antifriction bearing of rigidity grease into the radial axial bearing structure of self-lubricating, and outstanding humanized design has guaranteed the utility model discloses a safe and reliable operation has improved life greatly, has satisfied people's operation requirement.

Drawings

Fig. 1 is a schematic structural view of the environmental protection maintenance-free slurry pump of the utility model.

In the figure: 1-shaft, 2-machine seal gland, 3-mechanical seal, 4-rear shaft sleeve, 5-rear self-lubricating bearing, 6-rear bearing box, 7-bracket cover, 8-shaft sleeve nut, 9-rear thrust disk, 10-cooling water joint, 11-bracket, 12-front thrust disk, 13-front self-lubricating bearing, 14-front shaft sleeve, 15-front bearing box, 16-connecting section, 17-impeller end self-lubricating bearing, 18-impeller end bearing box, 19-auxiliary impeller, 20-rear pump cover, 21-rear guard plate, 22-front guard plate, 23-lip seal ring, 24-front pump shell, 25-cooling water flow indicator, 26-cooling water flow valve; 27-impeller, 28-set screw, 29-O type sealing ring, 30-adjusting bolt and 31-cooling water connecting pipe.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

Example 1: the environment-friendly maintenance-free slurry pump as shown in fig. 1 comprises a shaft 1, a machine seal cover 2, a mechanical seal 3, a rear shaft sleeve 4, a rear self-lubricating bearing 5, a rear bearing box 6, a bracket cover 7, a shaft sleeve nut 8, a rear thrust disc 9, a cooling water joint 10, a bracket 11, a front thrust disc 12, a front self-lubricating bearing 13, a front shaft sleeve 14, a front bearing box 15, a connecting section 16, an impeller end self-lubricating bearing 17, an impeller end bearing box 18, an auxiliary impeller 19, a rear pump cover 20, a rear guard plate 21, a front guard plate 22, a lip-shaped seal ring 23, a front pump shell 24, a cooling water flow indicator 25, a cooling valve 26, an impeller 27, a set screw 28, an O-shaped seal ring 29 and an adjusting bolt 30, wherein the shaft sleeve nut 8 is arranged on the shaft 1 to lock the rear shaft sleeve 4 and the rear thrust disc 9, the impeller 27 locks the auxiliary impeller 19, the front shaft sleeve 14 and the front thrust disc 12, the rear self-lubricating bearing 5 is fixed, the impeller end maintenance-free self-lubricating bearing 17 is fixed in an impeller end bearing box 18, the mechanical seal 3 is arranged on the rear shaft sleeve 4, the mechanical seal cover 2 and the impeller end bearing box 18 are respectively provided with a cooling water connector 10, the cooling water connectors 10 are connected with a cooling water connecting pipe 31, the cooling water connecting pipe 31 is provided with a cooling water control valve 26 and a cooling water flow indicator 25, the auxiliary impeller 19 is arranged in the impeller end bearing box 18, the rear protection plate 21 is fastened on a rear pump cover 20 through bolts, the front protection plate 22 is fastened on a front pump shell 24 through bolts, and the bracket cover 7 is fixed on the bracket 11 through screws. The moving ring of the mechanical seal 3 is arranged on the rear shaft sleeve 4, the static ring of the mechanical seal 3 is arranged in the mechanical seal gland 2, the O-shaped sealing ring 29 is used for sealing the rear bearing box 6 with the bracket 11 and the bracket cover 7, and the adjusting bolt 30 on the rear bearing box 6 is used for adjusting the gap between the impeller 27 and the front guard plate 22 as well as the rear guard plate 21.

The preceding terminal surface of back self-lubricating bearing 5 and the rear end face of back thrust disc 9 guarantee to have 2 mm's clearance, the rear end face of preceding self-lubricating bearing 13 and the preceding terminal surface of preceding thrust disc 9 guarantee to have 2 mm's clearance, impeller end self-lubricating bearing 17 is fixed in impeller end bearing box 18, and there is cooling water joint 10 upper end, and the front end has lip seal 23, and it is to grinding with the cooperation of preceding axle sleeve 14.

The utility model discloses open cooling water control valve 26 earlier before starting through cooling water flow indicator 25, cooling water joint 10, cooling water gets into through mechanical seal 3 and makes back self-lubricating bearing 5, preceding self-lubricating bearing 13, impeller end self-lubricating bearing 17, from the cooling water joint 10 of impeller end bearing box 18 upper end outflow, whole bracket 11 epicoele need be filled with water, make back self-lubricating bearing 5, mechanical seal 3, preceding self-lubricating bearing 13, impeller end self-lubricating bearing 17 is totally soaked in the water, when impeller 27 just started, the instantaneous flow is great, impeller 27 drives pump shaft 1 and drunkenness forward, the pump shaft 1 drunkenness forward has effectively been restricted to the front end of back self-lubricating bearing 5 and the rear end clearance 2 millimeters of back thrust disc 9, when pump export is filled with water and pressure risees, impeller 27 drives pump shaft 1 and drunkenness backward, pump shaft 1 is effectively restricted to the backward drunkenness to the rear end of preceding self-lubricating bearing 13 and the front end clearance 2 millimeters of front thrust disc 12, ensures that the impeller 27 does not exceed 2mm axial movement in the rear protection plate 21 and the front protection plate 22 in the process of continuous flow change, runs reliably,

Having described the basic principles and essential features of the invention, it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed, and which are defined by the appended claims and their equivalents.

Claims

1. The maintenance type sediment stuff pump is exempted from in environmental protection, its characterized in that: the mechanical seal device comprises a shaft, a machine seal gland, a mechanical seal, a rear shaft sleeve, a rear self-lubricating bearing, a rear bearing box, a bracket cover, a shaft sleeve nut, a rear thrust disc, a cooling water joint, a bracket, a front thrust disc, a front self-lubricating bearing, a front shaft sleeve, a front bearing box, a connecting section, an impeller end self-lubricating bearing, an impeller end bearing box, an auxiliary impeller, a rear pump cover, a rear protective plate, a front protective plate, a lip-shaped sealing ring, a front pump shell, a cooling water flow indicator, a cooling water control valve, an impeller, a set screw, an O-shaped sealing ring and an adjusting bolt, wherein the shaft is provided with the shaft sleeve nut to lock the rear shaft sleeve and the rear thrust disc, the impeller locking auxiliary impeller, the front shaft sleeve and the front thrust disc, the rear self-lubricating bearing is fixed in the rear bearing box through screws, the impeller end maintenance-free self-lubricating bearing is fixed in the impeller end bearing box, the mechanical seal is arranged on the rear shaft sleeve, the machine, the cooling water joint is connected with a cooling water connecting pipe, the cooling water connecting pipe is provided with a cooling water control valve and a cooling water flow indicator, the auxiliary impeller is arranged in the impeller end bearing box, the rear protective plate is fastened on the rear pump cover through a bolt, the front protective plate is fastened on the front pump shell through a bolt, the bracket cover is fixed on a bracket through a screw, and the rear bearing box is provided with an adjusting bolt and an O-shaped sealing ring.

2. The environmentally friendly, maintenance-free slurry pump of claim 1, wherein a clearance between the rear self-lubricating bearing and the rear thrust disc is 2 mm.

3. The environmentally friendly, maintenance-free slurry pump of claim 1, wherein the gap between the forward self-lubricating bearing and the forward thrust disc is 2 mm.

4. The environment-friendly maintenance-free slurry pump according to claim 1, wherein the impeller-end maintenance-free self-lubricating bearing and the lip seal are mounted on the impeller-end bearing housing.