Barrel bag type double-shell horizontal multi-stage pump

Abstract

The invention relates to the field of non-variable-capacity pumps, in particular to a barrel bag type double-shell horizontal multi-stage pump, and aims to overcome the defects in the background technology. In order to achieve the purpose, according to the technical scheme, the barrel-bag-type double-shell horizontal multi-stage pump comprises a support and an outer shell installed in the support, an inner shell is installed in the outer shell, a middle shaft rod is rotationally connected with the interior of the outer shell and the interior of the inner shell in a penetrating mode, and a plurality of impellers are evenly and fixedly connected to the middle of the middle shaft rod; the front side and the rear side of the upper side of the outer shell are each fixedly communicated with a vertical pipe, the front side and the rear side of the left side and the right side of the outer shell are each fixedly communicated with a side position pipe, the upper side of each vertical pipe is fixedly connected with a semicircular plate, and the middle of each semicircular plate is provided with a middle position hole; the left side and the right side of each semicircular plate are each provided with a side hole.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of non-variable displacement pumps, in particular to a barrel bag type double shell horizontal multi-stage pump. BACKGROUND

[0002] The horizontal multi-stage pump is a kind of pump equipment that installs multiple impellers in series on a horizontal shaft to realize high-lift delivery by gradually lifting the liquid pressure, and is a kind of machinery for delivering fluid or increasing the pressure of fluid. It transmits the mechanical energy of a prime mover or other external energy to the liquid to increase the energy of the liquid. The pump is mainly used to deliver water, oil, acid and alkali liquid, emulsion, suspension emulsion and liquid metal, etc. It can also deliver liquid, gas mixture and liquid containing suspended solid.

[0003] The barrel bag type double shell horizontal multi-stage pump is also a commonly used pump body type in the prior art, but in the prior art, it is time-consuming and laborious to clean due to the large size of the multi-stage pump, and it is necessary to sequentially disassemble the shaft coupling, bearing box, shaft seal device, pump cover and impellers, and then clean and maintain the inside, which affects the overall working efficiency. Therefore, the present application is proposed to solve the above technical problems. SUMMARY

[0004] The purpose of the present application is to solve the problems in the background art and provide a barrel bag type double shell horizontal multi-stage pump.

[0005] To achieve the above purposes, the technical scheme adopted by the present application is as follows: a barrel bag type double shell horizontal multi-stage pump, comprising a support and an outer shell mounted inside the support, an inner shell mounted inside the outer shell, a middle shaft rod rotatably connected through the inner part of the outer shell and the inner shell, a plurality of impellers uniformly fixedly connected to the middle part of the middle shaft rod, a vertical pipe fixedly and communicatively connected to the front and rear sides of the upper side of the outer shell, a side pipe fixedly and communicatively connected to the front and rear sides of the left and right sides of the outer shell, a semicircular plate fixedly connected to the upper side of each vertical pipe, a middle hole provided in the middle part of each semicircular plate, a side hole provided in the left and right sides of each semicircular plate, a circular frame rotatably connected to each semicircular plate in a pasting manner, a corresponding hole provided in the middle part of the upper side of each circular frame, and a first connecting pipe fixedly and communicatively connected to each corresponding hole.

[0006] Preferably, the rear side of the support is fixedly connected with a first base, the upper side of the first base is fixedly connected with a first motor, and the output shaft of the first motor is fixedly connected with the rear side of the middle shaft rod through a shaft coupling.

[0007] Preferably, the two side pipes located on the front side are in the same vertical plane as the vertical pipe located on the front side, and the two side pipes located on the rear side are in the same vertical plane as the vertical pipe located on the rear side.

[0008] Preferably, the right side of the bracket is fixedly connected with a convex base on the front and back sides, the rear side of the convex base is fixedly connected with a second base, the front and back sides of the rotating rod are rotatably connected to the two convex bases, the front and back sides of the middle part of the rotating rod are fixedly connected with a first pulley, the outer sides of the two circular frames are fixedly connected with a second pulley, the front side of the first pulley is drivingly connected with the front side of the second pulley through a belt, and the rear side of the first pulley is drivingly connected with the rear side of the second pulley through another belt.

[0009] Preferably, the rear side of the rotating rod is fixedly connected with the output shaft of the second motor through a shaft coupling, and the bottom of the second motor is fixedly connected to the second base.

[0010] Preferably, the front and back sides of the middle part of the bottom left side of the bracket are provided with a penetrating hole, two penetrating holes are fixedly connected with an insertion rod, the left sides of the two insertion rods are fixedly connected to the front and back sides of the right side of the concave frame, and the front and back sides of the top of the right side of the concave frame are fixedly connected with a first limiting frame which is inclined to the right side and has a recessed arc in the middle part.

[0011] Preferably, the left side of each first limiting frame is fixedly connected with a limiting frame, each limiting frame is slidingly connected with a sliding frame, the right side of each sliding frame is fixedly connected with a second limiting frame, and each second limiting frame is fixedly connected with a second connecting pipe.

[0012] Preferably, the left side of each second connecting pipe is fixedly and communicatively connected with a long pipe, the left side of each long pipe is fixedly and communicatively connected in a liquid storage barrel, the bottoms of the two liquid storage barrels are fixedly connected to two fixed frames, the right sides of the two fixed frames are fixedly connected to the front and back sides of the left side of the concave frame, and the left side of each liquid storage barrel is provided with a pouring hole.

[0013] Preferably, the middle part of each first limiting frame is fixedly connected with the fixed end of an electric push rod, and the movable end of each electric push rod is fixedly connected to the middle part of each sliding frame.

[0014] Compared with the prior art, the present application has the following beneficial effects:

[0015] 1. The pump body can be quickly cleaned after conveying one kind of medium for a long time, which is helpful for conveying another kind of medium and preventing the mixing of two materials in the pump body from affecting the quality of another kind of medium.

[0016] 2, by the other parts of the circular frame to the right of the side hole and the vertical tube in the middle of the plugging, prevent the leakage in the flushing of the pump body in the two places, improve the sealing when flushing the inside of the pump body;

[0017] 3, in making two circular frame rotating drive two first connecting pipe to the right of the two side of the tube to carry on the corresponding, facilitate the adaptation of different position of the pipeline, improve the use convenience of the whole pump body. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 For the structure diagram of the present application a barrel bag type double shell horizontal multi-stage pump;

[0019] Figure 2 For the partial structure sectional view of the outer shell of the present application a barrel bag type double shell horizontal multi-stage pump;

[0020] Figure 3 For the partial structure diagram of the rotating rod of the present application a barrel bag type double shell horizontal multi-stage pump;

[0021] Figure 4 For the partial structure diagram of the circular frame of the present application a barrel bag type double shell horizontal multi-stage pump;

[0022] Figure 5 For the partial structure diagram of the concave frame of the present application a barrel bag type double shell horizontal multi-stage pump;

[0023] Figure 6 For the partial structure diagram of the first limiting frame of the present application a barrel bag type double shell horizontal multi-stage pump;

[0024] Figure 7 For the schematic diagram of the top view structure of the present application a barrel bag type double shell horizontal multi-stage pump;

[0025] Figure 8 For the schematic diagram of the bottom view structure of the present application a barrel bag type double shell horizontal multi-stage pump.

[0026] 1, support; 2, outer shell; 3, vertical tube; 4, side tube; 5, semicircular plate; 6, middle hole; 7, side hole; 8, first motor; 9, first base; 10, convex seat; 11, second base; 12, middle shaft; 13, impeller; 14, inner shell; 15, through hole; 16, rotating rod; 17, second motor; 18, first pulley; 19, belt; 20, second pulley; 21, circular frame; 22, first connecting pipe; 23, corresponding hole; 24, concave frame; 25, fixed frame; 26, insertion rod; 27, first limiting frame; 28, double strip frame; 29, sliding frame; 30, second limiting frame; 31, second connecting pipe; 32, long tube; 33, liquid storage barrel; 34, pouring hole; 35, electric push rod. DETAILED DESCRIPTION

[0027] The following description is presented to enable any person skilled in the art to practice the application as claimed. Preferred embodiments are presented in the following description only as examples and modifications thereto can be made by those skilled in the art upon reading the present disclosure without departing from the scope of the application.

[0028] As Figures 1-4 and Figure 7 , 8 A barrel bag type double-shell horizontal multi-stage pump is shown in the drawings, comprising a support 1 and an outer shell 2 installed inside the support 1, an inner shell 14 is installed inside the outer shell 2, a middle shaft 12 is rotatably connected through the inside of the outer shell 2 and the inner shell 14, a plurality of impellers 13 are uniformly fixedly connected to the middle part of the middle shaft 12, a vertical pipe 3 is fixedly and communicatively connected to the front and rear sides of the upper side of the outer shell 2 respectively, a side pipe 4 is fixedly and communicatively connected to the front and rear sides of the left and right sides of the outer shell 2 respectively, a semicircular plate 5 is fixedly and communicatively connected to the upper side of each vertical pipe 3 respectively, a middle hole 6 is arranged in the middle part of each semicircular plate 5 respectively, a side hole 7 is arranged on the left and right sides of each semicircular plate 5 respectively, a circular frame 21 is rotatably connected to each semicircular plate 5 respectively, a corresponding hole 23 is arranged in the middle part of the upper side of each circular frame 21 respectively, and a first connecting pipe 22 is fixedly and communicatively connected to each corresponding hole 23 respectively.

[0029] As Figures 1-4 and Figure 7 , 8 The rear side of the support 1 is fixedly connected to a first base 9, the upper side of the first base 9 is fixedly connected to a first motor 8, and the output shaft of the first motor 8 is fixedly connected to the rear side of the middle shaft 12 through a shaft coupling.

[0030] As Figures 1-4 and Figure 7 , 8 The two side pipes 4 located on the front side are in the same vertical plane as the vertical pipe 3 located on the front side, and the two side pipes 4 located on the rear side are in the same vertical plane as the vertical pipe 3 located on the rear side.

[0031] As Figures 1-4 and Figure 7 , 8As shown in the figure, the front and back sides of the right side of the bracket 1 are fixedly connected with a boss 10 respectively, the rear side of the boss 10 located at the back side is fixedly connected with a second base 11, the front and back sides of the rotary rod 16 are rotatably connected on the two bosses 10 respectively, the front and back sides of the middle part of the rotary rod 16 are fixedly connected with a first pulley 18 respectively, one second pulley 20 is fixedly connected outside the two circular frames 21 respectively, the first pulley 18 located at the front side and the second pulley 20 located at the front side are drivingly connected through a belt 19, the first pulley 18 located at the back side and the second pulley 20 located at the back side are drivingly connected through another belt 19.

[0032] As shown in the figure, Figures 1-4 and Figure 7 , 8 As shown in the figure, the rear side of the rotary rod 16 is fixedly connected with the output shaft of the second motor 17 through a shaft coupling, and the bottom of the second motor 17 is fixedly connected to the second base 11.

[0033] As shown in the figure, Figures 1-4 and Figure 7 , 8 As shown in the figure, the front and back sides of the middle part of the bottom left side of the bracket 1 are provided with a penetrating hole 15 respectively, and a plug-in rod 26 is fixedly connected in each of the two penetrating holes 15. The left sides of the two plug-in rods 26 are fixedly connected to the front and back sides of the right side of the concave frame 24 respectively, and a first limiting frame 27 that is inclined to the right side and has a concave arc in the middle part is fixedly connected to the front and back sides of the top right side of the concave frame 24 respectively.

[0034] As shown in the figure, Figures 1-8 Each of the first limiting frames 27 is fixedly connected with a double-bar frame 28 on the left side, each double-bar frame 28 is slidingly connected with a sliding frame 29, each sliding frame 29 is fixedly connected with a second limiting frame 30 on the right side, and each second limiting frame 30 is fixedly connected with a second connecting pipe 31.

[0035] As shown in the figure, Figures 1-8 Each of the second connecting pipes 31 is fixedly connected and communicated with a long pipe 32 on the left side, and each long pipe 32 is fixedly connected and communicated in a liquid storage barrel 33 on the left side. The bottoms of the two liquid storage barrels 33 are fixedly connected to the two fixed frames 25 respectively, the right sides of the two fixed frames 25 are fixedly connected to the front and back sides of the left side of the concave frame 24 respectively, and each of the liquid storage barrels 33 is provided with a pouring hole 34 on the left side.

[0036] As shown in the figure, Figures 1-8 Each of the first limiting frames 27 is fixedly connected with a fixed end of an electric push rod 35 in the middle part, and the movable ends of the two electric push rods 35 are fixedly connected to the middle parts of the two sliding frames 29 respectively.

[0037] For the convenience of the pump body after a long time to transport a kind of medium can be quickly cleaned inside the pump body, so as to help to another kind of medium transport, prevent two materials mixed in the pump body affect the quality of another kind of medium, use, in the initial state, two circular frame 21 middle part of the hole 23 through bolt fixed, and the first connecting pipe 22 normal docking other material docking pipeline, and through the first connecting pipe 22 located in the rear side of the medium into the vertical pipe 3 in the rear side, through the vertical pipe 3 into the inside of the shell 2 inside the inner shell 14, and then drive the first motor 8 so that the shaft 12 and a plurality of impellers 13 on the shaft 12 rotate, and the medium is transported by multiple stages, and the medium is output through the vertical pipe 3 located in the front side, and then the medium is transported into the first connecting pipe 22 located in the front side, and the medium is output, complete a kind of medium multi-stage transport, and then need to transport another kind of medium, in order to prevent two kinds of medium mixed in the pump body, affect the quality of the second kind of medium transport, and then drive the second motor 17 so that the rotating rod 16 rotates, and the two second pulley 20 drives the circular frame 21 to rotate on the corresponding semicircular plate 5 through the transmission work of the belt 19, so that the first connecting pipe 22 on the two circular frame 21 adjusts the position and moves to the left side of the side pipe 4, and is connected with the corresponding hole 23 through the corresponding side hole 7, and at this time, the other part of the circular frame 21 blocks the right side of the side hole 7 and the middle vertical pipe 3, preventing leakage when flushing the inside of the pump body, improving the sealing performance when flushing the inside of the pump body;

[0038] At this time, drive two electric push rod 35 so that the sliding frame 29 and the second limit frame 30 on the movable end move downward, and the second connecting pipe 31 is buckled on the first connecting pipe 22 rotated to the left side and is temporarily fixed and communicated through the bolt, and when the two first connecting pipe 22 rotates to the left side of the two side pipes 4, the middle part of the two first connecting pipe 22 is limited and blocked by the two first limiting frame 27, and then an water pump is installed on any one of the long pipes 32 on the front and back sides, and the water pump installation process is not described in detail and can be added by yourself, and the liquid storage barrel 33 at this position is introduced into the cleaning liquid, so that the cleaning liquid flows into the pump body through the long pipe 32 on the rear side, and flows out from the long pipe 32 on the front side and flows into the liquid storage barrel 33 on the front side for collection when multi-stage transport is carried out, and vice versa, so as to help another kind of medium transport, prevent two materials mixed in the pump body affect the quality of another kind of medium;

[0039] When the two circular frame 21 rotates and drives the two first connecting pipe 22 to move to the right side of the two side pipes 4, it is convenient to adapt to the pipeline connected at different positions, and the use convenience of the whole pump body is improved.

[0040] The foregoing is considered as illustrative only of the principles of the application. Further, since numerous modifications and changes will readily occur to those skilled in the art, it is not desired to limit the application to the exact construction and practice described. Accordingly, all such variations and modifications are intended to be included within the scope of the application as defined in the following claims, along with the full scope of equivalents to which such claims are entitled.

Claims

1. A can-bag type double-casing horizontal multistage pump, comprising a bracket (1) and an outer casing (2) mounted inside the bracket (1), an inner casing (14) mounted inside the outer casing (2), a central shaft (12) rotatably connected through the inner parts of the outer casing (2) and the inner casing (14), a plurality of impellers (13) uniformly fixedly connected to the middle of the central shaft (12), characterized in that: A vertical tube (3) is fixed and connected to the front and rear sides of the upper side of the outer shell (2), and a side tube (4) is fixed and connected to the front and rear sides of the left and right sides of the outer shell (2). A semicircular plate (5) is fixed and connected to the upper side of each vertical tube (3). A center hole (6) is provided in the middle of each semicircular plate (5), and a side hole (7) is provided on the left and right sides of each semicircular plate (5). A circular frame (21) is rotatably connected to each semicircular plate (5). A corresponding hole (23) is provided on the upper side of the middle of each circular frame (21), and a first connecting tube (22) is fixed and connected to each corresponding hole (23).

2. A can-bag double-casing horizontal multistage pump according to claim 1, characterized in that: The rear side of the bracket (1) is fixedly connected to a first base (9), the upper side of the first base (9) is fixedly connected to a first motor (8), and the output shaft of the first motor (8) is fixedly connected to the rear side of the central shaft (12) via a coupling.

3. The can-bag double-casing horizontal multistage pump according to claim 1, characterized in that: The two side tubes (4) located at the front side and the vertical tube (3) located at the front side are located on the same vertical horizontal plane, and the two side tubes (4) located at the rear side and the vertical tube (3) located at the rear side are located on the same vertical horizontal plane.

4. The can-bag double-casing horizontal multistage pump according to claim 1, characterized in that: The front and rear sides of the right side of the bracket (1) are respectively fixedly connected to a convex seat (10); the rear side of the convex seat (10) located on the rear side is fixedly connected to a second base (11); the front and rear sides of the rotating rod (16) are respectively rotatably connected to the two convex seats (10); the front and rear sides of the middle part of the rotating rod (16) are respectively fixedly connected to a first pulley (18); the outer sides of the two circular frames (21) are respectively fixedly connected to a second pulley (20); the first pulley (18) located on the front side and the second pulley (20) located on the front side are connected to each other through a belt (19); the first pulley (18) located on the rear side and the second pulley (20) located on the rear side are connected to each other through another belt (19).

5. The can-bag double-casing horizontal multistage pump according to claim 4, characterized in that: The rear side of the rotating rod (16) is fixedly connected to the output shaft of the second motor (17) via a coupling, and the bottom of the second motor (17) is fixedly connected to the second base (11).

6. The can-bag double-casing horizontal multistage pump according to claim 1, characterized in that: A through hole (15) is provided on the front and rear sides of the left middle portion of the bottom of the bracket (1), and an insertion rod (26) is fixedly connected to each of the two through holes (15). The left sides of the two insertion rods (26) are fixedly connected to the front and rear sides of the right side of the concave frame (24), and the front and rear sides of the top right side of the concave frame (24) are fixedly connected to a first limiting frame (27) that is inclined to the right and has a concave arc shape in the middle.

7. The can-bag type double-casing horizontal multistage pump according to claim 6, characterized in that: The left side of each first limiting frame (27) is fixedly connected to a double-bar frame (28), each double-bar frame (28) is slidably connected to a sliding frame (29), the right side of each sliding frame (29) is fixedly connected to a second limiting frame (30), and each second limiting frame (30) is fixedly connected to a second connecting pipe (31).

8. The can-bag double-casing horizontal multistage pump according to claim 7, characterized in that: A long tube (32) is fixed and connected to the left side of each second connecting tube (31), and the left side of each long tube (32) is fixed and connected to the liquid storage barrel (33). The bottoms of the two liquid storage barrels (33) are fixedly connected to the two fixing frames (25), and the right sides of the two fixing frames (25) are fixedly connected to the front and rear sides of the left side of the concave frame (24). A pouring hole (34) is provided on the left side of each liquid storage barrel (33).

9. The can-bag type double-casing horizontal multistage pump according to claim 8, characterized in that: The middle of each first limiting frame (27) is fixedly connected to the fixed end of an electric push rod (35), and the movable ends of the two electric push rods (35) are fixedly connected to the middle of the two sliding frames (29).

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