CN213744109U

CN213744109U - Horizontal centrifugal pump with stable operation

Info

Publication number: CN213744109U
Application number: CN202022427354.8U
Authority: CN
Inventors: 俞秀珍
Original assignee: Ctci Beijing Co ltd
Current assignee: Ctci Beijing Co ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-07-20
Anticipated expiration: 2030-10-28

Abstract

The utility model discloses a horizontal centrifugal pump with stable operation, which comprises a base, a pump body and a motor, wherein the pump body and the motor are arranged at the top of the base, the end part of the motor is provided with a heat radiation hood, a shaft coupling is arranged between the pump body and the motor, the top of the base is provided with a swing-open type U-shaped cover component, the shaft coupling is positioned at the inner side of the swing-open type U-shaped cover component, and the swing-open type U-shaped cover component comprises two L-shaped bottom blocks fixed at the top of the base; through setting up the formula of unscrewing U-shaped cover subassembly that comprises L shape bottom block, the rotatory piece of arc and link block to through setting up the connecting device who comprises L shape fastener, connecting block, extension spring room, draw the piece, three hornblocks and rectangular channel, make operating personnel only need take off connecting device fast at follow-up maintenance in-process, open two rotatory pieces of arc again, can make the shaft coupling expose and overhaul the maintenance outward, increased substantially follow-up maintenance convenience to the shaft coupling.

Description

Horizontal centrifugal pump with stable operation

Technical Field

The utility model belongs to the technical field of the centrifugal pump, concretely relates to horizontal centrifugal pump that operation is stable.

Background

The horizontal centrifugal pump is designed according to the centrifugal force principle, the impeller blades rotating at high speed drive water to rotate, and the water is thrown out, so that the purpose of conveying is achieved, the absolute concentricity of the pump shaft and the excellent dynamic and static balance of the impeller ensure stable operation, and no vibration exists.

The current stable horizontal centrifugal pump of operation is when using, connects through the shaft coupling between the pump body and the motor, and can be in U-shaped cover of top installation of base in order to protect the shaft coupling, causes the U-shaped cover can be with the shaft coupling cover in the inboard, nevertheless because the top of current U-shaped cover can't be opened, all need pull down the U-shaped cover when leading to operating personnel to overhaul the shaft coupling at every turn and maintain, and follow-up still need pack the U-shaped cover back once more, and is comparatively inconvenient, for this reason the utility model provides a operate stable horizontal centrifugal pump.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a horizontal centrifugal pump that operates stably, with the horizontal centrifugal pump that operates stably of the current that proposes in solving above-mentioned background art when using, connect through the shaft coupling between the pump body and the motor, and can be in U-shaped cover of top installation of base in order to protect the shaft coupling, cause the U-shaped cover can be with the shaft coupling cover in the inboard, nevertheless because the top of current U-shaped cover can't be opened, lead to operating personnel all to need to pull down the U-shaped cover when overhauing the shaft coupling at every turn and maintaining, and follow-up still need pack the U-shaped cover back again, comparatively inconvenient problem.

In order to achieve the above object, the utility model provides a following technical scheme: a horizontal centrifugal pump stable in operation comprises a base, a pump body and a motor, wherein the pump body and the motor are installed at the top of the base, a heat radiating hood is installed at the end part of the motor, a coupler is arranged between the pump body and the motor, a swing-open type U-shaped cover component is installed at the top of the base, the coupler is located on the inner side of the swing-open type U-shaped cover component, the swing-open type U-shaped cover component comprises two L-shaped bottom blocks fixed at the top of the base, the tops of the two L-shaped bottom blocks are respectively and rotatably connected with an arc-shaped rotating block through hinges, the top ends of the two arc-shaped rotating blocks are respectively provided with an integrated connecting end block, a connecting device is arranged between the two connecting end blocks, the connecting device comprises two L-shaped clamping pieces and a connecting block, a tension spring chamber is arranged inside the top ends of the L-shaped clamping pieces, the tension block is connected with a pull block through a tension spring, and the end part of the connecting block is welded and fixed with the pull block, and a triangular block is fixed on the inner side of the L-shaped clamping piece, and a rectangular groove corresponding to the triangular block is formed in the surface of the connecting end block.

Preferably, one side of the base is provided with a cover groove, a dust cover is arranged in the cover groove, and the inner diameter of the dust cover is consistent with the outer diameter of the heat dissipation hood.

Preferably, the inner wall of the dust cover is provided with an integrated annular protrusion, and the surface of the heat dissipation hood is provided with an annular recess corresponding to the annular protrusion.

Preferably, the top of the dust cover is provided with an integrated strip-shaped protrusion, and the top end of the inner side of the cover groove is provided with a strip-shaped clamping groove corresponding to the strip-shaped protrusion.

Preferably, the top end of the tension spring chamber is provided with a through hole corresponding to the connecting block, and the through hole is communicated with the top end surface of the L-shaped clamping piece.

Preferably, two bolt holes are formed in the bottom end of the L-shaped bottom block, a thread groove is formed in the top of the base, and the bottom end of the L-shaped bottom block is fixed to the surface of the top of the base through bolts.

Preferably, the front and back surface of base all is equipped with the fixed foot of two integral types, the surface of fixed foot is run through and is seted up the reservation bolt hole.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through setting up by L shape end piece, the rotatory piece of arc and the connecting end block composition open U-shaped cover subassembly soon, and through setting up by L shape fastener, the connecting block, the extension spring room, draw the piece, the connecting device that three hornblocks and rectangular channel are constituteed, make operating personnel only need take off connecting device fast at follow-up maintenance in-process, again with the rotatory opening of two rotatory pieces of arc, can make the shaft coupling expose and overhaul the maintenance outward, follow-up maintenance convenience to the shaft coupling has been increased substantially, the problem of overhauing the shaft coupling at every turn and all need pull down the U-shaped cover and put back in original device has been solved.

2. Through cover groove, dust cover, annular arch, annular are sunken, the bar is protruding and the bar draw-in groove that sets up for horizontal centrifugal pump is during the outage, and operating personnel can take the dust cover out from the inside of base, then installs the dust cover at radiator bonnet's tip, can prevent that foreign matters such as external dust from getting into the inboard of motor from the louvre of radiator bonnet tip, ensures the stability of the follow-up operation of motor.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a side view of the swing-open U-shaped cover assembly of the present invention;

FIG. 3 is an enlarged view of a portion of the area A in FIG. 2 according to the present invention;

fig. 4 is a cross-sectional view of the dust cover and the base according to embodiment 2 of the present invention;

in the figure: 1. a pump body; 2. an L-shaped fastener; 3. connecting the end block; 4. an arc-shaped rotating block; 5. a motor; 6. a radiator cover; 7. an annular recess; 8. a dust cover; 9. a base; 10. an L-shaped bottom block; 11. a tension spring chamber; 12. pulling the block; 13. connecting blocks; 14. a triangular block; 15. a rectangular groove; 16. a cover groove; 17. an annular projection; 18. a strip-shaped bulge; 19. a strip-shaped clamping groove.

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.

Example 1

Referring to fig. 1 to 3, the present invention provides a technical solution: a horizontal centrifugal pump with stable operation comprises a base 9, a pump body 1 and a motor 5 which are arranged at the top of the base 9 through bolts, a heat radiating hood 6 is arranged at the end part of the motor 5, a plurality of heat radiating holes are uniformly formed in the surface of the end part of the heat radiating hood 6 and used for heat radiation when the motor 5 operates, a shaft coupling is arranged between the pump body 1 and the motor 5, a swing-open type U-shaped hood assembly is arranged at the top of the base 9 and is positioned at the inner side of the swing-open type U-shaped hood assembly, so that the shaft coupling can be well protected, the swing-open type U-shaped hood assembly comprises two L-shaped bottom blocks 10 fixed at the top of the base 9, the tops of the two L-shaped bottom blocks 10 are rotatably connected with arc-shaped rotating blocks 4 through hinges, integrated connecting end blocks 3 are arranged at the top ends of the two arc-shaped rotating blocks 4, a connecting device is arranged between the two connecting end blocks 3 and comprises two L-shaped clamping pieces 2 and a connecting block 13, the inside extension spring room 11 that is provided with in top of L shape fastener 2, and the inside of extension spring room 11 is connected with through the extension spring and draws piece 12, the tip of connecting block 13 with draw piece 12 welded fastening, the inboard welding of L shape fastener 2 has three hornblocks 14, connect the surface of end block 3 and seted up rectangular channel 15 corresponding with three hornblocks 14, make operating personnel only need take off connecting device fast, rotatory opening of two arc rotatory pieces 4 again, can make the shaft coupling expose and overhaul the maintenance outward.

In this embodiment, preferably, a through hole corresponding to the connecting block 13 is formed at the top end of the tension spring chamber 11, and the through hole is communicated with the top end surface of the L-shaped clip 2, so that the end of the connecting block 13 can smoothly penetrate through the tension spring chamber 11.

In this embodiment, preferably, two bolt holes are opened at the bottom end of the L-shaped bottom block 10, a thread groove is opened at the top of the base 9, and the bottom end of the L-shaped bottom block 10 is fixed on the top surface of the base 9 through a bolt.

In this embodiment, preferably, the front and back surfaces of the base 9 are provided with two integrated fixing feet, and the surface of each fixing foot is penetrated and provided with a reserved bolt hole for fixing the subsequent base 9 and an external base body.

Example 2

Referring to fig. 1 to 4, the present invention provides a technical solution: a horizontal centrifugal pump with stable operation comprises a base 9, a pump body 1 and a motor 5 which are arranged at the top of the base 9 through bolts, a heat radiating hood 6 is arranged at the end part of the motor 5, a plurality of heat radiating holes are uniformly formed in the surface of the end part of the heat radiating hood 6 and used for heat radiation when the motor 5 operates, a shaft coupling is arranged between the pump body 1 and the motor 5, a swing-open type U-shaped hood assembly is arranged at the top of the base 9 and is positioned at the inner side of the swing-open type U-shaped hood assembly, so that the shaft coupling can be well protected, the swing-open type U-shaped hood assembly comprises two L-shaped bottom blocks 10 fixed at the top of the base 9, the tops of the two L-shaped bottom blocks 10 are rotatably connected with arc-shaped rotating blocks 4 through hinges, integrated connecting end blocks 3 are arranged at the top ends of the two arc-shaped rotating blocks 4, a connecting device is arranged between the two connecting end blocks 3 and comprises two L-shaped clamping pieces 2 and a connecting block 13, the inside extension spring room 11 that is provided with in top of L shape fastener 2, and the inside of extension spring room 11 is connected with through the extension spring and draws piece 12, the tip of connecting block 13 with draw piece 12 welded fastening, the inboard welding of L shape fastener 2 has three hornblocks 14, connect the surface of end block 3 and seted up rectangular channel 15 corresponding with three hornblocks 14, make operating personnel only need take off connecting device fast, rotatory opening of two arc rotatory pieces 4 again, can make the shaft coupling expose and overhaul the maintenance outward.

In this embodiment, preferably, a cover groove 16 is formed in one side of the base 9, a dust cover 8 is arranged inside the cover groove 16, and the inner diameter of the dust cover 8 is consistent with the outer diameter of the heat dissipation cover 6, so that an operator can take out the dust cover 8 and install the dust cover at the end of the heat dissipation cover 6 during the shutdown of the centrifugal pump, thereby preventing foreign matters such as external dust from entering the inside of the motor 5 through the heat dissipation holes at the end of the heat dissipation cover 6, and avoiding the influence on the stability of the whole operation of the subsequent equipment due to the blockage of the heat dissipation holes.

In this embodiment, preferably, the inner wall of the dust cover 8 is provided with an integrated annular protrusion 17, both the dust cover 8 and the annular protrusion 17 are made of rubber, and the surface of the heat sink housing 6 is provided with an annular recess 7 corresponding to the annular protrusion 17, so that the dust cover 8 can be clamped on the surface of the heat sink housing 6.

In this embodiment, preferably, the top of the dust cover 8 is provided with an integral strip-shaped protrusion 18, the strip-shaped protrusion 18 is made of a rubber material, and the top end of the inner side of the cover groove 16 is provided with a strip-shaped clamping groove 19 corresponding to the strip-shaped protrusion 18, so that the dust cover 8 can be limited after being pushed into the cover groove 16.

The model of the motor 5 in the utility model is CPM-130;

the utility model discloses a theory of operation and use flow: when an operator needs to overhaul the coupler at the inner side of the screwing-off U-shaped cover component, the two L-shaped clamping pieces 2 are pulled laterally at the same time to cause the connecting block 13 to pull the pulling block 12 to the top end of the tension spring chamber 11 and cause the tension spring at the inner side of the tension spring chamber 11 to be stretched until the triangular block 14 moves out of the inner side of the rectangular groove 15, the connecting device can be directly taken down from the top of the connecting end block 3, then the two arc-shaped rotating blocks 4 are rotated and opened under the action of the hinge, the coupler can be exposed for overhaul, the problem that the U-shaped cover needs to be detached and installed back when the coupler is overhauled every time in the original device is solved, the subsequent overhaul of the coupler is convenient for the operator, after the overhaul is finished, only the two arc-shaped rotating blocks 4 need to be rotated and closed to cause the connecting end block 3 at the top ends of the two arc-shaped rotating blocks 4 to be attached together, and then the two L-shaped clamping pieces 2 are pulled again, then, the two L-shaped clamping pieces 2 are clamped on the surface of the connecting end block 3, the triangular blocks 14 are clamped on the inner sides of the rectangular grooves 15, the two connecting end blocks 3 can be connected through the connecting device, the two arc-shaped rotating blocks 4 are closed, and the coupler can be protected by the L-shaped bottom block 10 and the arc-shaped rotating blocks 4;

when the horizontal centrifugal pump is in a shutdown state, an operator can pull the dust cover 8 to the side with force to cause the strip-shaped protrusions 18 to be gradually extruded out of the strip-shaped clamping grooves 19, namely the dust cover 8 can be pulled out of the inner side of the cover groove 16, then the dust cover 8 is sleeved at the end part of the heat dissipation hood 6 with force to cause the annular protrusions 17 to be clamped at the inner side of the annular depressions 7, so that the dust cover 8 can be clamped at the end part of the heat dissipation hood 6, the end part of the heat dissipation hood 6 is covered at the inner side, foreign matters such as external dust and the like can be prevented from entering the inner side of the motor 5 from the heat dissipation holes at the end part of the heat dissipation hood 6, the stability of the motor 5 in a subsequent operation is ensured, and when the horizontal centrifugal pump is required to be started again, the dust cover 8 only needs to be taken down from the end part of the heat dissipation hood 6 and pushed into the inner side of the cover groove 16 again to be retracted.

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 operate stable centrifugal pump of horizontal type, includes base (9) and installs pump body (1) and motor (5) at base (9) top, radiator bonnet (6) are installed to the tip of motor (5), be equipped with the shaft coupling between the pump body (1) and motor (5), the top of base (9) is installed and is unscrewed U-shaped cover subassembly, and the shaft coupling is in the inboard of unscrewing U-shaped cover subassembly, its characterized in that: the rotary-open type U-shaped cover component comprises two L-shaped bottom blocks (10) fixed at the top of a base (9), the tops of the two L-shaped bottom blocks (10) are respectively and rotatably connected with an arc-shaped rotating block (4) through hinges, the top ends of the two arc-shaped rotating blocks (4) are respectively provided with an integrated connecting end block (3), a connecting device is arranged between the two connecting end blocks (3), the connecting device comprises two L-shaped clamping pieces (2) and a connecting block (13), a tension spring chamber (11) is arranged inside the top end of the L-shaped clamping piece (2), the interior of the tension spring chamber (11) is connected with a pull block (12) through a tension spring, the end part of the connecting block (13) is welded and fixed with the pull block (12), a triangular block (14) is fixed on the inner side of the L-shaped clamping piece (2), and a rectangular groove (15) corresponding to the triangular block (14) is formed in the surface of the connecting end block (3).

2. The horizontal centrifugal pump stable in operation according to claim 1, wherein: a cover groove (16) is formed in one side of the base (9), a dust cover (8) is arranged in the cover groove (16), and the inner diameter of the dust cover (8) is consistent with the outer diameter of the heat dissipation hood (6).

3. A stable-running horizontal centrifugal pump according to claim 2, characterized in that: the inner wall of the dust cover (8) is provided with an integrated annular bulge (17), and the surface of the radiator cover (6) is provided with an annular recess (7) corresponding to the annular bulge (17).

4. A stable-running horizontal centrifugal pump according to claim 2, characterized in that: the top of the dust cover (8) is provided with an integrated strip-shaped bulge (18), and the top end of the inner side of the cover groove (16) is provided with a strip-shaped clamping groove (19) corresponding to the strip-shaped bulge (18).

5. The horizontal centrifugal pump stable in operation according to claim 1, wherein: the top end of the tension spring chamber (11) is provided with a through hole corresponding to the connecting block (13), and the through hole is communicated with the top end surface of the L-shaped clamping piece (2).

6. The horizontal centrifugal pump stable in operation according to claim 1, wherein: two bolt holes are formed in the bottom end of the L-shaped bottom block (10), a thread groove is formed in the top of the base (9), and the bottom end of the L-shaped bottom block (10) is fixed to the top surface of the base (9) through bolts.

7. The horizontal centrifugal pump stable in operation according to claim 1, wherein: the front surface and the rear surface of the base (9) are provided with two integrated fixing feet, and the surfaces of the fixing feet are provided with reserved bolt holes in a penetrating mode.