CN218844606U

CN218844606U - Horizontal pipeline centrifugal pump

Info

Publication number: CN218844606U
Application number: CN202222193278.8U
Authority: CN
Inventors: 戴海鹏
Original assignee: Zhejiang Amazon Pump Co ltd
Current assignee: Zhejiang Amazon Pump Co ltd
Priority date: 2022-08-19
Filing date: 2022-08-19
Publication date: 2023-04-11
Anticipated expiration: 2032-08-19

Abstract

The utility model discloses a horizontal pipeline centrifugal pump, the on-line screen storage device comprises a base, the fixed slot has been seted up to the inside of base, bolt fixed mounting is passed through to the one end of fixed slot has first connecting block, the other end inside of fixed slot is provided with preloading device, preloading device's inside is provided with shock-absorbing structure, preloading device's top is provided with the second connecting block, the top welding of first connecting block has the pump body, the top of second connecting block is provided with driving motor, be provided with sealed lid between driving motor and the pump body. A horizontal pipeline centrifugal pump, can conveniently adjust the motor, carry out better pretension with motor and base, thereby avoid taking place to shake when the motor uses and lead to the pump body to take place to remove, can reduce the vibrations of motor to make the motor be connected with pump body impeller more accurately, reduce the damage of motor to the pump body, improve life.

Description

Horizontal pipeline centrifugal pump

Technical Field

The utility model relates to a centrifugal pump field, in particular to horizontal pipeline centrifugal pump.

Background

The centrifugal pump works by utilizing the rotation of an impeller to enable water to generate centrifugal motion, before the water pump is started, a pump shell and a water suction pipe are required to be filled with water, then a motor is started, a pump shaft drives the impeller and the water to generate high-speed rotation, the water generates centrifugal motion and is thrown to the outer edge of the impeller, the water flows into a water pressing pipeline of the water pump through a flow channel of a volute-shaped pump shell and is classified into a single centrifugal pump and a multi-stage centrifugal pump according to the number of the impellers, and the centrifugal pump is classified into a horizontal centrifugal pump and a vertical centrifugal pump according to the position of the pump shaft. However, when the existing centrifugal pump is used, the vibration exists between the driving motor and the pump body, so that the pump body or the motor is damaged relatively greatly, the service life of the centrifugal pump is shortened, and when the driving motor is installed, the installation and adjustment of the driving motor are relatively troublesome, and the connection reliability between the motor and the base can be influenced along with the vibration.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a horizontal pipeline centrifugal pump, can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a horizontal pipeline centrifugal pump, includes the base, the fixed slot has been seted up to the inside of base, the one end of fixed slot has first connecting block through bolt fixed mounting, the inside preloading device that is provided with of the other end of fixed slot, preloading device's inside is provided with shock-absorbing structure, preloading device's top is provided with the second connecting block, the top welding of first connecting block has the pump body, the top of second connecting block is provided with driving motor, be provided with sealed lid between driving motor and the pump body.

Preferably, preloading device includes fixed plate, fixed orifices, pretension bolt, ladder groove and anti-skidding gasket, the fixed plate is located between second connecting block and the base, the ladder groove has been seted up on the base, the fixed orifices has all been seted up on fixed plate and the second connecting block, be provided with the pretension bolt between fixed orifices and the ladder groove, be provided with anti-skidding gasket between second connecting block and the fixed plate.

Preferably, the damping structure comprises a lower fixing block, an expansion spring, a moving groove, an upper fixing block, a rubber pad, a connecting rod and a moving block, the lower fixing block is welded in the base, the moving groove is formed in the lower fixing block, the moving block is arranged in the moving groove, one side of the moving block is connected with the lower fixing block through the expansion spring, the other side of the moving block is connected with the connecting rod through a rotating pin, the other end of the connecting rod is connected with the upper fixing block, and the upper fixing block is welded on the pre-tightening device.

Preferably, a water outlet and a water inlet are formed in the pump body, connecting flanges are arranged at the water inlet and the water outlet, and the connecting flanges are connected with the pipeline through bolts.

Preferably, the output end of the driving motor is connected with the impeller of the pump body through a connecting shaft, and a hanging ring is welded above the driving motor.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, be provided with preloading device, can conveniently adjust the motor when installing driving motor, carry out better pretension with motor and base, thereby avoid taking place vibrations when the motor uses and lead to the pump body to take place to remove, influence the use of centrifugal pump, be provided with shock-absorbing structure, can be when the operation centrifugal pump, reduce the vibrations of motor to make the motor can be more accurate be connected with pump body impeller, reduce the damage of motor to the pump body, improve life.

Drawings

Fig. 1 is a schematic view of the overall structure of a horizontal pipe centrifugal pump according to the present invention;

FIG. 2 is a front view of the horizontal pipe centrifugal pump of the present invention;

fig. 3 is a pretightening device of a horizontal pipe centrifugal pump according to the present invention;

fig. 4 is a schematic view of the damping structure of the centrifugal pump with horizontal pipes of the present invention.

In the figure: 1. a drive motor; 2. a hoisting ring; 3. a sealing cover; 4. a pump body; 5. a water outlet; 6. a water inlet; 7. a connecting flange; 8. fixing grooves; 9. a first connection block; 10. a pre-tightening device; 1001. a fixing plate; 1002. a fixing hole; 1003. pre-tightening the bolts; 1004. a stepped groove; 1005. an anti-slip gasket; 11. a base; 12. a shock-absorbing structure; 1201. a lower fixed block; 1202. a tension spring; 1203. a moving groove; 1204. an upper fixed block; 1205. a rubber pad; 1206. a connecting rod; 1207. a moving block; 13. and a second connecting block.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, a horizontal pipe centrifugal pump comprises a base 11, a fixing groove 8 is formed in the base 11, a first connecting block 9 is fixedly installed at one end of the fixing groove 8 through a bolt, a pre-tightening device 10 is arranged in the other end of the fixing groove 8, a damping structure 12 is arranged in the pre-tightening device 10, a second connecting block 13 is arranged above the pre-tightening device 10, a pump body 4 is welded above the first connecting block 9, a driving motor 1 is arranged above the second connecting block 13, and a sealing cover 3 is arranged between the driving motor 1 and the pump body 4;

the pre-tightening device 10 comprises a fixing plate 1001, a fixing hole 1002, a pre-tightening bolt 1003, a stepped groove 1004 and an anti-skid gasket 1005, wherein the fixing plate 1001 is positioned between the second connecting block 13 and the base 11, the base 11 is provided with the stepped groove 1004, the fixing plate 1001 and the second connecting block 13 are both provided with the fixing hole 1002, the pre-tightening bolt 1003 is arranged between the fixing hole 1002 and the stepped groove 1004, and the anti-skid gasket 1005 is arranged between the second connecting block 13 and the fixing plate 1001; the damping structure 12 comprises a lower fixed block 1201, an expansion spring 1202, a moving groove 1203, an upper fixed block 1204, a rubber pad 1205, a connecting rod 1206 and a moving block 1207, the lower fixed block 1201 is welded in the base 11, the moving groove 1203 is formed in the lower fixed block 1201, the moving block 1207 is arranged in the moving groove 1203, one side of the moving block 1207 is connected with the lower fixed block 1201 through the expansion spring 1202, the other side of the moving block 1207 is connected with the connecting rod 1206 through a rotating pin, the other end of the connecting rod 1206 is connected with the upper fixed block 1204, and the upper fixed block 1204 is welded on the pre-tightening device 10; a water outlet 5 and a water inlet 6 are arranged on the pump body 4, connecting flanges 7 are arranged at the water inlet 6 and the water outlet 5, and the connecting flanges 7 are connected with a pipeline through bolts; the output of driving motor 1 is connected with the impeller of the pump body 4 through the connecting axle, and the welding of the top of driving motor 1 has rings 2.

It should be noted that, the utility model relates to a horizontal pipeline centrifugal pump, during the installation, it is fixed with the fixed slot 8 of base 11 through fixing bolt with the first connecting block 9 of the pump body 4, then place driving motor 1's second connecting block 13 on preloading device 10, then it is fixed with driving motor 1's output shaft and the impeller of the pump body 4 mutually through the shaft coupling, preloading bolt 1003 through preloading device 10 runs through behind fixed orifices 1002 and the ladder groove 1004 with second connecting block 13, fixed plate 1001 and base 11 are fixed, connect flange 7 and pipeline through the bolt at last, during the use, start driving motor 1, make driving motor 1's output shaft drive pump body 4's impeller rotate, make the impeller of pump body 4 rotate, make the water in the water pipe suck from water inlet 6 and then pump from delivery port 5, wherein sealed lid 3 seals driving motor 1's end cover, prevent the infiltration, can take place vibrations when driving motor 1 rotates, can carry out vertical direction shock attenuation through rubber pad 1205 on the last 1204 of shock-absorbing structure 12 this moment, promote 1206 along moving block 1207 along moving in the groove, make the effect of shock-absorbing motor 1201 reduce the effect of shock-absorbing motor, thereby shock-absorbing effect of shock-absorbing effect more, the shock-absorbing effect of the shock-absorbing motor 1, thereby, shock-absorbing effect is good under the shock-absorbing effect, the shock-absorbing effect is good under the shock-absorbing effect, thereby, the shock-absorbing effect is good under the shock-absorbing effect, the shock-absorbing effect is guaranteed to the shock-absorbing effect, the drive motor 1, when driving motor 1.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A horizontal pipeline centrifugal pump is characterized in that: including base (11), fixed slot (8) have been seted up to the inside of base (11), there is first connecting block (9) one end of fixed slot (8) through bolt fixed mounting, the other end inside of fixed slot (8) is provided with preloading device (10), the inside of preloading device (10) is provided with shock-absorbing structure (12), the top of preloading device (10) is provided with second connecting block (13), the top welding of first connecting block (9) has the pump body (4), the top of second connecting block (13) is provided with driving motor (1), be provided with sealed lid (3) between driving motor (1) and the pump body (4).

2. The centrifugal pump for horizontal pipes according to claim 1, wherein: pretension device (10) are including fixed plate (1001), fixed orifices (1002), pretension bolt (1003), ladder groove (1004) and anti-skidding gasket (1005), fixed plate (1001) are located between second connecting block (13) and base (11), ladder groove (1004) have been seted up on base (11), fixed orifices (1002) have all been seted up on fixed plate (1001) and second connecting block (13), be provided with pretension bolt (1003) between fixed orifices (1002) and ladder groove (1004), be provided with anti-skidding gasket (1005) between second connecting block (13) and fixed plate (1001).

3. The horizontal pipe centrifugal pump according to claim 1, wherein: shock-absorbing structure (12) are including lower fixed block (1201), expanding spring (1202), shifting chute (1203), go up fixed block (1204), rubber pad (1205), connecting rod (1206) and movable block (1207), lower fixed block (1201) welds in base (11), shifting chute (1203) have been seted up to the inside of lower fixed block (1201), the inside of shifting chute (1203) is provided with movable block (1207), one side of movable block (1207) is connected with lower fixed block (1201) through expanding spring (1202), the opposite side of movable block (1207) is connected with connecting rod (1206) through the rotation pin, the other end of connecting rod (1206) is connected with last fixed block (1204), it welds on preloading device (10) to go up fixed block (1204).

4. The centrifugal pump for horizontal pipes according to claim 1, wherein: the pump body (4) is provided with a water outlet (5) and a water inlet (6), the water inlet (6) and the water outlet (5) are provided with connecting flanges (7), and the connecting flanges (7) are connected with a pipeline through bolts.

5. The horizontal pipe centrifugal pump according to claim 1, wherein: the output end of the driving motor (1) is connected with the impeller of the pump body (4) through a connecting shaft, and a lifting ring (2) is welded above the driving motor (1).