CN213981225U

CN213981225U - Pipeline centrifugal pump for drainage pipeline

Info

Publication number: CN213981225U
Application number: CN202022915241.2U
Authority: CN
Inventors: 孙雪峰; 孙莉
Original assignee: Jilin Tongda Pump Industry Co ltd
Current assignee: Jilin Tongda Pump Industry Co ltd
Priority date: 2020-12-08
Filing date: 2020-12-08
Publication date: 2021-08-17
Anticipated expiration: 2030-12-08

Abstract

The utility model discloses a pipeline centrifugal pump for drainage pipe, which comprises a motor, the lower extreme of motor is provided with the connection end cover, and the lower extreme of connecting the end cover is connected with the pump protective case, the inboard of pump protective case is connected with the fixed plate, and the internally mounted of fixed plate has the lift section, the lower extreme of lift section is connected with the screw thread section, and the lower extreme of screw thread section is connected with and buries the section underground to the surface mounting of screw thread section has the kicking block, the lower extreme of kicking block is fixed with the screw thread piece, and the outside of screw thread piece is provided with changes the handle, the lower extreme of connecting the end cover is connected with the axle sheath, and the lower extreme of axle sheath is connected with the pump body, the upper end of the pump body is provided with the exhaust hole. This pipeline centrifugal pump for drainage pipe conveniently adjusts pump body terrain clearance, and bearing structure is stable, is applicable to the pipeline interface of different terrain clearance, has higher practicality.

Description

Pipeline centrifugal pump for drainage pipeline

Technical Field

The utility model relates to an intelligent transportation highway correlation technique field specifically is a pipeline centrifugal pump for drainage pipe.

Background

The pipeline centrifugal pump is used for conveying clean water and other liquid with physical and chemical properties similar to that of clean water, and is suitable for industrial and urban water supply and drainage, pressurized water supply for high-rise buildings, garden sprinkling irrigation, fire control pressurization, remote transportation, heating ventilation refrigeration circulation, cold and hot water circulation pressurization for bathrooms and the like and matched equipment.

However, when the existing pipeline centrifugal pump is connected with a pipeline, the height of a pump body needs to be adjusted when the pipeline is installed due to the fact that the pipeline is different from the ground in height, the existing centrifugal pump does not have a self height adjusting structure, the existing technology needs to be heightened or a foundation is settled when the installation is carried out, the pump body is installed after punching, time and labor are consumed, and therefore the pipeline centrifugal pump for the drainage pipeline is provided for solving the problems.

Disclosure of Invention

An object of the utility model is to provide a pipeline centrifugal pump for drainage pipe to solve the current pipeline centrifugal pump that proposes in the above-mentioned background art when with the pipe connection, because the pipeline is different from ground height, need adjust pump body height when the installation, and current centrifugal pump does not have self height-adjusting structure, lead to prior art need bed hedgehopping or subside the ground when the installation, punch the installation pump body again, comparatively consuming time problem of power.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a pipeline centrifugal pump for drainage pipe, includes the motor, the lower extreme of motor is provided with the connection end cover, and the lower extreme of connecting the end cover is connected with the pump protective case, the inboard of pump protective case is connected with the fixed plate, and the internally mounted of fixed plate has the lift section, the lower extreme of lift section is connected with the screw thread section, and the lower extreme of screw thread section is connected with and buries the section underground to the surface mounting of screw thread section has the kicking block, the lower extreme of kicking block is fixed with the screw thread piece, and the outside of screw thread piece is provided with changes the handle, the lower extreme of connecting the end cover is connected with the axle sheath, and the lower extreme of axle sheath is connected with the pump body, the upper end of the pump body is provided with the exhaust hole, and the lower extreme in exhaust hole is provided with the pivot, the impeller is installed in the outside of pivot, and the outside welding of impeller has the blade to the lower extreme of pivot is provided with the axle bed.

Preferably, the motor is fixed on the upper end face of the pump protective shell through a connecting end cover, an output shaft of the motor is connected with the rotating shaft, and the rotating shaft penetrates through the impeller and is fixedly connected with the impeller.

Preferably, the blades are welded on the surface of the impeller at equal intervals and are four cast iron sheets bent in the same direction, and the included angle between each blade and the impeller is 45 degrees.

Preferably, a stabilizer bar is arranged between the thread section and the embedding section, the stabilizer bar fixedly connects the left and right corresponding lifting sections, and the lifting sections, the thread section and the embedding section are arranged to have the same outer diameter, so as to form a vertical support rod.

Preferably, the front end and the rear end of the fixing plate are provided with through holes in the vertical direction, the lifting section penetrates through the through holes to be in sliding connection with the fixing plate, and the fixing plate and the jacking block are in sliding connection with the thread section.

Preferably, the supporting rods consisting of the lifting section, the thread section and the embedding section are arranged at the front corner and the rear corner of the pump body, and form a stable supporting structure for the pump body.

Compared with the prior art, the beneficial effects of the utility model are that: the pipeline centrifugal pump for the drainage pipeline is reasonable in structure arrangement, convenient for adjusting the ground clearance of the pump body, stable in supporting structure, suitable for pipeline interfaces with different ground clearance and higher in practicability;

1. the lifting section, the thread section, the top block and the thread block are arranged, the thread block is screwed and rotated in the thread section, and the top block is contacted with the fixed plate, so that the fixed plate is lifted up and down in the lifting section, and the pump body is conveniently lifted and adjusted to be suitable for pipeline connectors with different heights;

2. the pump body is provided with a stabilizer bar and an embedding section, the embedding section is punched and embedded underground, so that a stable support is formed for the pump body, the embedding section is connected through the stabilizer bar, the stability of the lower end of the embedding section is enhanced, and the vibration of the pump body during working is reduced;

3. be equipped with pivot, impeller and blade, through the high-speed rotation of pivot drive impeller, and then drive the high-speed rotation of blade, and the 45 degrees inclination blades that set up increase the displacement in the pump, form negative pressure in the pump fast, improve pipeline drainage efficiency.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic view of the structure of FIG. 2B according to the present invention;

fig. 4 is a schematic diagram of the internal structure at a in fig. 1 according to the present invention.

In the figure: 1. a motor; 2. connecting an end cover; 3. a pump casing; 4. a fixing plate; 5. a top block; 6. a thread block; 7. a stabilizer bar; 8. burying the section; 9. a threaded segment; 10. a pump body; 11. a shaft sheath; 12. a lifting section; 13. turning a handle; 14. an exhaust hole; 15. a rotating shaft; 16. an impeller; 17. a blade; 18. a shaft seat.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a pipeline centrifugal pump for a drainage pipeline comprises a motor 1, a connecting end cover 2, a pump protective shell 3, a fixing plate 4, a top block 5, a thread block 6, a stabilizer bar 7, an embedded section 8, a thread section 9, a pump body 10, a shaft protective shell 11, a lifting section 12, a rotating handle 13, an exhaust hole 14, a rotating shaft 15, an impeller 16, a blade 17 and a shaft seat 18, wherein the lower end of the motor 1 is provided with the connecting end cover 2, the lower end of the connecting end cover 2 is connected with the pump protective shell 3, the inner side of the pump protective shell 3 is connected with the fixing plate 4, the lifting section 12 is arranged inside the fixing plate 4, the lower end of the lifting section 12 is connected with the thread section 9, the lower end of the thread section 9 is connected with the embedded section 8, the surface of the thread section 9 is provided with the top block 5, the lower end of the top block 5 is fixed with the thread block 6, the outer side of the thread block 6 is provided with the rotating handle 13, the lower end of the connecting end cover 2 is connected with the shaft protective shell 11, and the lower end of the shaft protective shell 11 is connected with the pump body 10, an exhaust hole 14 is formed in the upper end of the pump body 10, a rotating shaft 15 is arranged at the lower end of the exhaust hole 14, an impeller 16 is installed on the outer side of the rotating shaft 15, blades 17 are welded on the outer side of the impeller 16, and a shaft seat 18 is arranged at the lower end of the rotating shaft 15;

as shown in fig. 1 and 4, the motor 1 is fixed on the upper end face of the pump protective casing 3 through the connecting end cover 2, the output shaft of the motor 1 is connected with the rotating shaft 15, the rotating shaft 15 penetrates through the impeller 16 and is fixedly connected with the impeller 16, the blades 17 are equidistantly welded on the surface of the impeller 16, the blades 17 are four cast iron sheets which are bent in the same direction, an included angle of 45 degrees is formed between the blades 17 and the impeller 16, the impeller 16 is driven to rotate at high speed through the rotating shaft 15, the blades 17 are further driven to rotate at high speed, the water discharge amount in the pump is increased through the blades 17 with the 45-degree inclination angle, the negative pressure in the pump is quickly formed, and the water discharge efficiency of a pipeline is improved;

as shown in fig. 1 and 2, a stabilizer bar 7 is arranged between the threaded section 9 and the embedded section 8, the stabilizer bar 7 fixedly connects the left and right corresponding lifting sections 12, the embedded section 8 is perforated and embedded underground, so that the pump body 10 is stably supported, the embedded section 8 is connected through the stabilizer bar 7, the stability of the lower end of the embedded section 8 is enhanced, the vibration of the pump body 10 during working is reduced, and the lifting section 12, the threaded section 9 and the embedded section 8 are arranged to have the same outer diameter and form a vertical support rod;

set up the through-hole of vertical direction as both ends around fig. 2 and fig. 3 fixed plate 4, and the lift section 12 passes through the through-hole and fixed plate 4 sliding connection, and fixed plate 4 and kicking block 5 and screw thread section 9 sliding connection, it is rotatory at screw thread section 9 spiro union through screw thread block 6, and contact through kicking block 5 and fixed plate 4, make fixed plate 4 at lift section 12 oscilaltion, conveniently carry out the lift adjustment to pump body 10, with be suitable for not pipe connection of co-altitude, lift section 12, screw thread section 9 sets up four turnings in the front and back of pump body 10 with the bracing piece of burying section 8 component, and form the stable bearing structure to pump body 10, and the surface spraying at the bracing piece has rust inhibitor and antiseptic.

The working principle is as follows: when the pipeline centrifugal pump for the drainage pipeline is used, firstly, as shown in a figure 1, a figure 2, a figure 3 and a figure 4, a pump body 10 is placed between two pipeline interfaces, then a contact position between an embedding section 8 and the ground surface is marked, the pump body 10 is moved away, then holes are marked, the punching depth is matched with the height of the embedding section 8, the embedding section 8 is embedded and fixed, a stabilizer bar 7 is contacted with the ground surface, the pipeline interfaces are moved to a water inlet and outlet interface of the pump body 10, the height difference is observed, a screw block 6 is rotated through a rotating handle 13, the screw block 6 pushes a top block 5, the top block 5 pushes a fixing plate 4 to slide on the surface of a lifting section 12 or a screw section 9, the fixing plate 4 is fixedly connected with a pump protective shell 3, the pump body 10 is driven to move, the water inlet and outlet interfaces at two ends of the pump body 10 are positioned on the same horizontal line, starting the motor 1, the motor 1 drives the rotating shaft 15 to drive the impeller 16 and the blades 17 to rotate at a high speed, negative pressure in the pump is formed quickly, and the drainage efficiency of the pipeline is improved, namely the whole process of using the pipeline centrifugal pump for the drainage pipeline.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a pipeline centrifugal pump for drainage pipe, includes motor (1), its characterized in that: the pump is characterized in that a connecting end cover (2) is arranged at the lower end of the motor (1), the lower end of the connecting end cover (2) is connected with a pump protecting shell (3), a fixing plate (4) is connected to the inner side of the pump protecting shell (3), a lifting section (12) is arranged inside the fixing plate (4), the lower end of the lifting section (12) is connected with a threaded section (9), the lower end of the threaded section (9) is connected with an embedded section (8), a top block (5) is arranged on the surface of the threaded section (9), a threaded block (6) is fixed at the lower end of the top block (5), a rotating handle (13) is arranged on the outer side of the threaded block (6), a shaft sheath (11) is connected to the lower end of the connecting end cover (2), the lower end of the shaft sheath (11) is connected with a pump body (10), an exhaust hole (14) is formed in the upper, an impeller (16) is installed on the outer side of the rotating shaft (15), blades (17) are welded on the outer side of the impeller (16), and a shaft seat (18) is arranged at the lower end of the rotating shaft (15).

2. The centrifugal pump for drain pipeline pipes of claim 1, wherein: the motor (1) is fixed on the upper end face of the pump protective shell (3) through the connecting end cover (2), an output shaft of the motor (1) is connected with the rotating shaft (15), and the rotating shaft (15) penetrates through the impeller (16) and is fixedly connected with the impeller (16).

3. The centrifugal pump for drain pipeline pipes of claim 1, wherein: the blades (17) are welded on the surface of the impeller (16) at equal intervals, the blades (17) are four cast iron sheets bent in the same direction, and the included angle of 45 degrees is formed between the blades (17) and the impeller (16).

4. The centrifugal pump for drain pipeline pipes of claim 1, wherein: the middle of the thread section (9) and the embedding section (8) is provided with a stabilizer bar (7), the left and right corresponding lifting sections (12) are fixedly connected through the stabilizer bar (7), the lifting sections (12), the thread section (9) and the embedding section (8) are arranged to be consistent in outer diameter, and a vertical supporting rod is formed.

5. The centrifugal pump for drain pipeline pipes of claim 1, wherein: through holes in the vertical direction are formed in the front end and the rear end of the fixing plate (4), the lifting section (12) penetrates through the through holes to be connected with the fixing plate (4) in a sliding mode, and the fixing plate (4), the top block (5) and the thread section (9) are connected in a sliding mode.

6. The centrifugal pump for drain pipeline pipes of claim 1, wherein: the supporting rods consisting of the lifting section (12), the thread section (9) and the embedding section (8) are arranged at the front corner and the rear corner of the pump body (10) and form a stable supporting structure for the pump body (10).