CN212429203U

CN212429203U - Slurry pump

Info

Publication number: CN212429203U
Application number: CN201922442509.2U
Authority: CN
Inventors: 王友红; 曾宜; 李武雄
Original assignee: Hunan Weiping Technology Development Co ltd
Current assignee: Hunan Weiping Technology Development Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2021-01-29
Anticipated expiration: 2029-12-30

Abstract

The utility model provides a slurry pump, hydraulic motor, connecting axle and impeller including coaxial setting, hydraulic motor has the drive shaft, the connection can be dismantled to the one end of connecting axle the drive shaft, the connection can be dismantled to the other end the impeller. The utility model discloses in set up a connecting axle between hydraulic motor and impeller and realize the transmission and be connected, can undertake, eliminate partial radial load through the connecting axle in the working process, prolong hydraulic motor's life, and then the life of extension sediment stuff pump, the practicality is strong.

Description

Slurry pump

Technical Field

The utility model relates to a centrifugal pump technical field, in particular to sediment stuff pump.

Background

The hydraulic slurry pump is mainly used for draining water and sewage, and is widely applied to working conditions of flood fighting, emergency rescue underground pipe ditch pollution discharge and the like. Because the hydraulic slurry pump is small in size and light in weight, the hydraulic slurry pump does not need power supply driving (driving of a diesel oil or gasoline hydraulic station), and has greater advantages than the traditional water pump.

In prior art's hydraulic pressure sediment stuff pump, hydraulic motor lug connection impeller, in the use, because of the irregular wearing and tearing of impeller, lead to the impeller dynamic balance problem to appear easily, and then make hydraulic motor's drive shaft, gear produce radial load, the problem of sweeping the thorax or drive shaft wearing and tearing appears, thereby make hydraulic motor damage and make the unable normal work of hydraulic pressure sediment stuff pump.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a slurry pump, hydraulic motor, connecting axle and impeller including coaxial setting, hydraulic motor has the drive shaft, the connection can be dismantled to the one end of connecting axle the drive shaft, the connection can be dismantled to the other end the impeller.

According to the utility model discloses an embodiment has following technological effect at least:

the utility model discloses in set up a connecting axle between hydraulic motor and impeller and realize the transmission and be connected, can undertake, eliminate partial radial load through the connecting axle in the working process, prolong hydraulic motor's life, and then the life of extension sediment stuff pump, the practicality is strong.

According to the utility model discloses a some embodiments still include the motor mount pad, hydraulic motor install in on the motor mount pad, have a cladding on the motor mount pad the installation cavity of drive shaft, the installation cavity is airtight cavity, extend in the end of drive shaft in the installation cavity, be provided with the bearing in the installation cavity, the one end of connecting axle install in the bearing and connect the drive shaft, the other end of connecting axle passes the motor mount pad is connected the impeller.

According to some embodiments of the present invention, the motor mount pad with between the hydraulic motor and the motor mount pad with all be provided with seal structure between the connecting axle.

According to some embodiments of the utility model, be close to on hydraulic motor's the lateral wall the position of drive shaft place terminal surface is provided with mounting flange, the installation cavity is close to hydraulic motor's one end is provided with the laminating the first flange face and the laminating of hydraulic motor's terminal surface mounting flange's second flange face, first flange face with connecting wall between the second flange face with hydraulic motor's lateral wall adaptation.

According to some embodiments of the invention, the second flange face is provided with a sealing ring.

According to some embodiments of the present invention, the motor mount pad and between the connecting shafts are sealing structures for shafts.

According to the utility model discloses a some embodiments, the motor mount pad corresponds the connecting axle is provided with the seal installation position, the seal installation position with let a mouthful intercommunication through one between the installation cavity, the connecting axle warp let a mouthful penetrate seal installation position is worn out, the connecting axle in be provided with skeleton seal structure in the seal installation position.

According to some embodiments of the invention, the bearing is a double row deep groove ball bearing.

According to some embodiments of the utility model, the connecting axle is close to hydraulic motor's one end is provided with the location boss, the tip laminating of bearing the location boss, be provided with the toper locating surface on the lateral wall of the other end of connecting axle, set up on the impeller in with the toper locating surface with the toper hole site structure of connecting axle adaptation, the end of connecting axle is provided with the nut, in order to be used for with the impeller lock in on the toper locating surface.

According to the utility model discloses a some embodiments still include the pump case, be formed with the extrusion room that switches on the outside in the pump case, the motor mount pad install in on the pump case and make the impeller is located in the extrusion room, the extrusion room is close to hydraulic motor's one end corresponds the week side of impeller is provided with circular concave position, the lateral wall of circular concave position is pressed close to the lateral wall of impeller, it presses close to have in the circular concave position the loop configuration of impeller.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The invention will be further described with reference to the following figures and examples:

FIG. 1 is a cross-sectional view of a structure of the present invention;

FIG. 2 is a schematic view of a connection of the hydraulic motor and the motor mount;

FIG. 3 is a schematic view of one configuration of an extrusion chamber;

fig. 4 is a schematic view of the overall structure of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1, the present invention provides a slurry pump, including a hydraulic motor 100, a connecting shaft 300 and an impeller 600 which are coaxially disposed, the hydraulic motor 100 has a driving shaft 101, one end of the connecting shaft 300 can be detached from the connecting shaft 101, and the other end can be detached from the connecting impeller 600.

The utility model discloses in set up a connecting axle 300 between hydraulic motor 100 and impeller 600 and realize the transmission and be connected, can undertake, eliminate partial radial load through connecting axle 300 in the working process, prolong hydraulic motor 100's life, and then prolong the life of sediment stuff pump, the practicality is strong.

This sediment stuff pump is provided with a motor mount 200, and hydraulic motor 100 installs on motor mount 200, has the installation cavity of a cladding drive shaft 101 on the motor mount 200, and the installation cavity is airtight cavity, and the end of drive shaft 101 extends in the installation cavity, is provided with bearing 400 in the installation cavity, and the one end of connecting axle 300 is installed in bearing 400 and is connected drive shaft 101, and the other end of connecting axle 300 passes motor mount 200 and connects impeller 600.

Adopt the sediment stuff pump that above-mentioned structure set up, can effectively eliminate, absorb the radial load on the connecting axle 300 through bearing 400 to the airtight setting of installation cavity can avoid the sewage of sediment stuff pump suction, mud to invade drive shaft 101, further prolongs the life of equipment. The bearing 400 is preferably provided as a double row deep groove ball bearing to provide sufficient support force and radial load absorbing capability.

In order to realize the airtight arrangement of the installation cavity, sealing structures are respectively arranged between the motor installation seat 200 and the hydraulic motor 100 and between the motor installation seat 200 and the connecting shaft 300.

As shown in fig. 2, in one embodiment, a mounting flange 102 is disposed on a side wall of the hydraulic motor 100 at a position close to an end surface of the driving shaft 101, and an end surface of the mounting flange 102 is not flush with the end surface of the driving shaft 101. The one end opening setting that the installation cavity is close to hydraulic motor 100, and the one end that the installation cavity is close to hydraulic motor 100 is provided with the first flange face of the terminal surface of laminating hydraulic motor 100 and the second flange face of laminating mounting flange 102, the lateral wall adaptation of the connecting wall between first flange face and the second flange face and hydraulic motor 100. The hydraulic motor 100 and the motor mounting base 200 are fixed by bolts, and are accurately positioned by matching the first flange surface, the second flange surface and the like.

The inner wall of installation cavity is the face of cylinder with bearing 400 adaptation, and the lateral wall of general hydraulic motor 100 is also the face of cylinder, therefore the motor mount pad 200 that so sets up, the axiality between the lateral wall of connecting wall and the installation cavity between first flange face and the second flange face is easy to be held, is controlled, and then when connecting axle 300 is installed in bearing 400, can ensure the axiality between connecting axle 300 and drive shaft 101, and size precision is high, can not produce radial load to drive shaft 101 because of the setting of connecting axle 300.

The corner of the second flange surface and the connecting wall is provided with a sealing ring, and the sealing ring is compressed when the hydraulic motor 100 and the motor mounting seat 200 are fixedly connected, so that a sealing point is formed on the second flange surface and the connecting wall at the same time, and the sealing effect is good. That is, a seal structure between the motor mount 200 and the hydraulic motor 100 is formed by the seal ring.

Further, the motor mounting base 200 is provided with a sealing installation position corresponding to the connecting shaft 300, the sealing installation position is communicated with the mounting cavity through a yielding hole, the connecting shaft 300 penetrates into the sealing installation position through the yielding hole and penetrates out of the sealing installation position, a shaft sealing structure is arranged in the sealing installation position of the connecting shaft 300, and the shaft sealing structure is preferably set to be a framework sealing structure 500. So the cooperation through skeleton seal structure 500 and sealing washer can effectively realize the airtight setting of installation cavity, prolongs the life of bearing 400 and hydraulic motor 100.

In one embodiment, the end of the connecting shaft 300 near the hydraulic motor 100 is provided with a positioning boss 304, and after assembly, the end of the bearing 400 abuts against the positioning boss 304. A tapered locating surface is arranged on the side wall of the other end of the connecting shaft 300, the impeller 600 is arranged on a tapered hole site structure matched with the tapered locating surface and the connecting shaft 300, and a nut 305 is arranged at the tail end of the connecting shaft 300 and used for locking the impeller 600 on the tapered locating surface. As shown in fig. 1 and 2, the connecting shaft 300 includes a first connecting section 301, a second connecting section 302 and a third connecting section 303, the outer diameters of which are sequentially reduced, wherein the first connecting section 301 and the driving shaft 101 are connected through a spline or a pin to realize synchronous rotation, and an end of the first connecting section 301, which is far away from the second connecting section 302, extends outwards to form a positioning boss 304. The step between the first connecting section 301 and the second connecting section 302 is provided as a conical surface, thereby forming a conical locating surface. The conical hole site structure on impeller 600 includes the bell mouth and follows the through-hole of the less end extension of bell mouth, through-hole diameter and second linkage segment 302 adaptation to the through-hole degree of depth is greater than the length of second linkage segment 302, sets up the external screw thread on the third linkage segment 303, through external screw thread mounting nut 305, through nut 305 locking impeller 600.

The connecting shaft 300 which is arranged by adopting the structure has the advantages that the structure is convenient for the transmission of the driving force of the hydraulic motor 100, the positioning and the installation of the impeller 600 and other structures are convenient, the weight is reduced, the structural design is reasonable, and the practicability is high.

In addition to the above structure, as shown in fig. 3 and 4, the slurry pump further includes a pump housing 700, wherein an extruding chamber 701 for conducting outside is formed in the pump housing 700, the motor mounting base 200 is mounted on the pump housing 700 and enables the impeller 600 to be located in the extruding chamber 701, one end of the extruding chamber 701 close to the hydraulic motor 100 is provided with a circular concave position corresponding to the peripheral side of the impeller 600, the side wall of the circular concave position is close to the outer side wall of the impeller 600, and an annular structure close to the impeller 600 is arranged in the circular concave position.

Through the structural design of pressing close to impeller 600 like this, can effectively reduce the impurity that gets into the connecting axle 300 position to the life of corresponding seal structure is prolonged.

To sum up, the utility model provides a slurry pump can effectively eliminate, absorb the radial load that produces after impeller 600 takes place irregular wearing and tearing through connecting axle 300 and corresponding structure setting, prolongs the life of equipment. And when connecting axle 300 long-term work reduces its effect, can dismantle the change, further prolong hydraulic motor 100's life, reduce use cost, the practicality is strong.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. The utility model provides a slurry pump, its characterized in that, including the hydraulic motor, connecting axle and the impeller of coaxial setting, hydraulic motor has the drive shaft, the connection can be dismantled to the one end of connecting axle the drive shaft, the connection can be dismantled to the other end the impeller, slurry pump still includes the motor mount pad, hydraulic motor install in on the motor mount pad, a cladding has on the motor mount pad the installation cavity of drive shaft, the installation cavity is airtight cavity, the end of drive shaft extend in the installation cavity, be provided with the bearing in the installation cavity, the one end of connecting axle install in connect in the bearing the drive shaft, the other end of connecting axle passes the motor mount pad is connected the impeller.

2. The slurry pump of claim 1, wherein sealing structures are provided between the motor mount and the hydraulic motor and between the motor mount and the connecting shaft.

3. The slurry pump according to claim 2, wherein a mounting flange is arranged on the side wall of the hydraulic motor at a position close to the end face of the driving shaft, a first flange face attached to the end face of the hydraulic motor and a second flange face attached to the mounting flange are arranged at one end of the mounting cavity close to the hydraulic motor, and a connecting wall between the first flange face and the second flange face is matched with the side wall of the hydraulic motor.

4. The slurry pump of claim 3, wherein the second flange face is provided with a seal ring.

5. The slurry pump of claim 2, wherein a shaft seal is provided between the motor mount and the connecting shaft.

6. The slurry pump according to claim 5, wherein the motor mounting seat is provided with a sealing mounting position corresponding to the connecting shaft, the sealing mounting position is communicated with the mounting cavity through a yielding port, the connecting shaft penetrates into the sealing mounting position and penetrates out of the yielding port, and a framework sealing structure is arranged in the sealing mounting position of the connecting shaft.

7. The slurry pump according to any one of claims 1 to 6, wherein the bearing is a double row deep groove ball bearing.

8. The slurry pump according to any one of claims 1 to 6, wherein a positioning boss is provided at one end of the connecting shaft close to the hydraulic motor, the end of the bearing is attached to the positioning boss, a tapered positioning surface is provided on the side wall of the other end of the connecting shaft, the impeller is provided with a tapered hole site structure adapted to the tapered positioning surface and the connecting shaft, and a nut is provided at the end of the connecting shaft for locking the impeller on the tapered positioning surface.

9. The slurry pump according to any one of claims 1 to 6, further comprising a pump housing, wherein an extrusion chamber is formed in the pump housing, the extrusion chamber is conducted to the outside, the motor mounting seat is mounted on the pump housing, the impeller is located in the extrusion chamber, a circular concave portion is formed at one end of the extrusion chamber close to the hydraulic motor, corresponding to the peripheral side of the impeller, the side wall of the circular concave portion is close to the outer side wall of the impeller, and an annular structure close to the impeller is arranged in the circular concave portion.