Centrifugal pump with end cover convenient to disassemble and assemble

Abstract

The utility model discloses a centrifugal pump with an end cover convenient to disassemble and assemble, and relates to the technical field of centrifugal pumps, the centrifugal pump comprises a platform and an auxiliary assembly, the right side of the top of the platform is provided with a screw rod sliding table group, the top of the screw rod sliding table group is provided with a centrifugal pump group, and the left side of the centrifugal pump group is connected with an end cover assembly; the auxiliary assembly is connected to the upper side and the lower side of the end cover assembly, and a supporting frame is vertically installed on the side, away from the end cover assembly, of the auxiliary assembly. According to the centrifugal pump with the end cover convenient to disassemble and assemble, through structural use of the auxiliary assembly, effective structural support can be provided for mutual disassembly and assembly of the centrifugal pump set and the end cover assembly, and meanwhile, sliding translation structural movement can be provided for the centrifugal pump set and the end cover assembly in the horizontal direction in cooperation with matched use of the lead screw sliding table set; therefore, an operator can conveniently carry out structural butt joint or structural separation on the two parts in the horizontal direction, and the situation that time and labor are wasted in operation and the operation efficiency is affected due to the fact that structural parts are heavy when the operator carries out disassembly and assembly is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of centrifugal pumps, in particular to a centrifugal pump with an end cover that is convenient to disassemble and assemble. Background Art

[0002] Centrifugal pumps are used to move fluids by converting rotational kinetic energy into fluid kinetic energy for fluid flow. The rotational energy usually comes from an engine or electric motor. They are a subclass of dynamic axisymmetric work-absorbing turbines. Fluid enters the pump impeller along or near the axis of rotation and is accelerated by the impeller, flowing radially outward into a diffuser or volute chamber (casing) from which it exits. Common uses include water, sewage, agricultural, petroleum and petrochemical pumping. The reaction of a centrifugal pump is a turbine, converting the water pressure potential energy into mechanical rotational energy.

[0003] Due to the large overall size of the centrifugal pump in some scenarios, it is extremely inconvenient to disassemble and assemble its end cover structure during maintenance and inspection, and the transportation of the mobile end cover can easily cause damage to some structural parts and operators.

[0004] Therefore, in view of this, the existing structure and defects are studied and improved, and a centrifugal pump with an end cover that is easy to disassemble and assemble is proposed. Utility Model Content

[0005] The utility model aims to provide a centrifugal pump with an end cover that is convenient to disassemble and assemble, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a centrifugal pump with an end cover that is easy to disassemble and assemble, comprising a platform and an auxiliary component, a screw slide group is installed on the top right side of the platform, and a centrifugal pump group is installed on the top of the screw slide group, and an end cover component is connected to the left side of the centrifugal pump group, the auxiliary component is connected to the upper and lower sides of the end cover component, and a support frame is vertically installed on the side of the auxiliary component away from the end cover component, the auxiliary component comprises a fixed frame, a first guide rod, a first slider, an auxiliary slider, a second guide rod, a stabilizing frame and a second slider, the first guide rod is horizontally installed on the upper end of the fixed frame, and the first slider and the auxiliary slider are respectively slidably installed on the surface of the first guide rod, the second guide rod is horizontally installed on the lower end of the fixed frame, and a stabilizing frame is installed on the end of the second guide rod away from the fixed frame, and the second slider is slidably installed on the surface of the second guide rod.

[0007] Furthermore, the screw slide assembly includes a track platform, an adjusting screw, a turntable and a moving platform. The adjusting screw is horizontally installed inside the track platform, and one end of the adjusting screw is connected to the turntable. The top of the track platform is slidably connected to the moving platform.

[0008] Furthermore, the turntable is fixedly connected to the adjusting screw rod, and the adjusting screw rod is connected to the moving platform via a slider structure.

[0009] Furthermore, the centrifugal pump group includes a pump body, a docking flange, a shaft frame, a hook and a fixing bolt. A docking flange is provided at an opening on one side of the pump body close to the end cover assembly, and a shaft frame is installed on the surface of one end of the pump body close to the docking flange, and a hook is installed at one end of the shaft frame away from the pump body, and a fixing bolt is installed on the middle section of the hook through a thread.

[0010] Furthermore, the fixing bolts are threadedly connected to the docking flange, the pump body is fixedly mounted on the top surface of the moving platform, and the rotating shaft frame and the hooks are equidistantly distributed on the surface of one end of the pump body.

[0011] Furthermore, the end cover assembly includes a main cover body, a connecting flange, support piles and fastening bolts. A connecting flange is provided on the side of the main cover body close to the centrifugal pump group, support piles are symmetrically installed at the upper and lower ends of the side of the main cover body away from the connecting flange, and fastening bolts are equidistantly threadedly installed on the surface of the connecting flange.

[0012] Furthermore, the fixing bolts are threadedly connected to the connecting flange, the structures of the connecting flange and the docking flange match each other, the main cover body and the supporting piles are fixedly connected, and the fastening bolts are threadedly connected to the connecting flange and the docking flange.

[0013] Furthermore, the first sliding block and the second sliding block are both fixedly connected to the supporting piles, and one end of the auxiliary sliding block away from the first guide rod is fixedly connected to the top of the pump body.

[0014] The utility model provides a centrifugal pump with an end cover that is easy to disassemble and assemble, which has the following beneficial effects:

[0015] 1. In the utility model, when the centrifugal pump group and the end cover assembly are structurally disassembled and assembled, the end cover assembly is fixedly connected to the first slider and the second slider through the support piles, so that the entire end cover assembly can be horizontally translated left and right along the surfaces of the first guide rod and the second guide rod. By using the above structure, on the one hand, during the process of disassembling and assembling the end cover assembly, the operator can use the entire auxiliary assembly to flexibly slide and translate the end cover assembly, so that it can maintain stability when disassembling the structure with the centrifugal pump group, or maintain the stability and accuracy of the structural docking during installation. On the other hand, by providing it with stable structural support, unnecessary handling and movement operations can be reduced, saving time and effort and facilitating operation.

[0016] 2. The utility model fixes the entire centrifugal pump group on the top of the moving platform, and uses an auxiliary slider to connect the top of the pump body to the surface of the first guide rod. Therefore, when the adjusting screw is axially rotated in the horizontal direction by the turntable, the moving platform connected with the adjusting screw by the slider structure drives the centrifugal pump group to move left and right in the horizontal direction along the surface of the track platform and the adjusting screw. The use of the above structure can further assist in the flexible and stable separation or docking of the centrifugal pump group and the end cover assembly during the disassembly and assembly process, which can ensure that the centrifugal pump group and the end cover assembly can maintain a sufficient relative distance after disassembly, so that the operator has enough operating space to inspect the inside of the pump body, and can also ensure that the entire device has sufficient flexibility to cooperate with the operation of the operator.

[0017] 3. The utility model installs a shaft frame and a hook at one end of the pump body close to the docking flange, and uses the hook to buckle the docking flange at one end of the main cover body with the docking flange on one side of the pump body. At the same time, a fixing bolt threaded pipe is passed through the hook and screwed into the docking flange and the side of the docking flange respectively, so as to structurally fix the connection between the end cover assembly and the centrifugal pump group to the greatest extent, so as to ensure that the overall structure has sufficient stability after installation, and reduce the problem of structural looseness that causes the pump body to fail to operate normally. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the side view of the support body of a centrifugal pump with an end cover that is easy to disassemble and assemble according to the utility model;

[0019] Figure 2 It is a partial structural schematic diagram of a screw slide assembly of a centrifugal pump with an end cover that is easy to disassemble and assemble according to the utility model;

[0020] Figure 3 The utility model is a centrifugal pump with an end cover that is easy to disassemble and assemble Figure 1 A schematic diagram of the enlarged structure at point A;

[0021] Figure 4 It is a schematic diagram of the three-dimensional structure of a first guide rod and a first sliding block of a centrifugal pump with an end cover that is easy to disassemble and assemble according to the utility model.

[0022] In the figure: 1. platform; 2. screw slide assembly; 201. track platform; 202. adjusting screw; 203. turntable; 204. moving platform; 3. centrifugal pump assembly; 301. pump body; 302. docking flange; 303. shaft frame; 304. hook; 305. fixing bolt; 4. end cover assembly; 401. main cover body; 402. connecting flange; 403. supporting pile; 404. fastening bolt; 5. auxiliary assembly; 501. fixing frame; 502. first guide rod; 503. first slider; 504. auxiliary slider; 505. second guide rod; 506. stabilizing frame; 507. second slider; 6. supporting frame. DETAILED DESCRIPTION

[0023] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0024] like Figures 1 to 4 As shown, a centrifugal pump with an end cover that is easy to disassemble and assemble comprises a platform 1 and an auxiliary component 5, a screw slide assembly 2 is installed on the top right side of the platform 1, a centrifugal pump assembly 3 is installed on the top of the screw slide assembly 2, and an end cover assembly 4 is connected to the left side of the centrifugal pump assembly 3, the auxiliary component 5 is connected to the upper and lower sides of the end cover assembly 4, and a support frame 6 is vertically installed on the side of the auxiliary component 5 away from the end cover assembly 4, the screw slide assembly 2 comprises a track platform 201, an adjusting screw 202, a turntable 203 and a moving platform 204, an adjusting screw 202 is horizontally installed inside the track platform 201, and the adjusting screw 202 A turntable 203 is connected to one end, and a moving platform 204 is slidably connected to the top of the track platform 201. The turntable 203 is fixedly connected to the adjusting screw rod 202, and the adjusting screw rod 202 is connected to the moving platform 204 through a slider structure. The connecting flange 402 at one end of the main cover body 401 is snapped with the connecting flange 302 on one side of the pump body 301 by using the hook 304. At the same time, the fixing bolt 305 is threaded through the hook 304 and screwed into the connecting flange 302 and the side of the connecting flange 402 respectively, so as to structurally fix the connection between the end cover assembly 4 and the centrifugal pump group 3 to the greatest extent.

[0025] The centrifugal pump unit 3 includes a pump body 301, a docking flange 302, a shaft support 303, a hook 304 and a fixing bolt 305. The pump body 301 is provided with a docking flange 302 at an opening on one side close to the end cover assembly 4, and the shaft support 303 is installed on the surface of one end of the pump body 301 close to the docking flange 302, and the shaft support 303 is installed at one end of the shaft support 303 away from the pump body 301, and the middle section of the hook 304 is threadedly installed with a fixing bolt. The fixing bolt 305 is threadedly connected with the docking flange 302. The pump body 301 is fixedly installed on the top surface of the mobile platform 204. The shaft frame 303 and the hook 304 are evenly distributed on one end surface of the pump body 301. The end cover assembly 4 includes a main cover body 401, a docking flange 402, a support pile 403 and a fastening bolt 404. The main cover body 401 is provided with a docking flange 402 on one side close to the centrifugal pump group 3. The main cover body 401 Support piles 403 are symmetrically installed at the upper and lower ends of the side away from the connecting flange 402, and fastening bolts 404 are equidistantly threadedly installed on the surface of the connecting flange 402, the fixing bolts 305 are threadedly connected to the connecting flange 402, the structures of the connecting flange 402 and the docking flange 302 match each other, the main cover 401 and the support piles 403 are fixedly connected, and the fastening bolts 404 are threadedly connected to the connecting flange 402 and the docking flange 302. By fixing the entire centrifugal pump group 3 on the top of the movable platform 204, and connecting the top of the pump body 301 to the surface of the first guide rod 502 by using the auxiliary slider 504, when the adjusting screw rod 202 is axially rotated in the horizontal direction by the turntable 203, the movable platform 204 connected to the adjusting screw rod 202 by the slider structure drives the centrifugal pump group 3 to move left and right in the horizontal direction along the surface of the track platform 201 and the adjusting screw rod 202.

[0026] The auxiliary component 5 includes a fixed frame 501, a first guide rod 502, a first slider 503, an auxiliary slider 504, a second guide rod 505, a stabilizing frame 506 and a second slider 507. The first guide rod 502 is horizontally mounted on the upper end of the fixed frame 501, and the first slider 503 and the auxiliary slider 504 are slidably mounted on the surface of the first guide rod 502, and the second guide rod 505 is horizontally mounted on the lower end of the fixed frame 501, and the stabilizing frame 506 is mounted on the end of the second guide rod 505 away from the fixed frame 501, and the second guide rod 505 is A second slider 507 is slidably installed on the surface, the first slider 503 and the second slider 507 are fixedly connected to the support pile 403, and the auxiliary slider 504 is fixedly connected to the top of the pump body 301 at one end away from the first guide rod 502. When the centrifugal pump group 3 and the end cover assembly 4 are structurally disassembled and assembled, the end cover assembly 4 is fixedly connected to the first slider 503 and the second slider 507 through the support pile 403, so that the entire end cover assembly 4 can be horizontally translated left and right along the surface of the first guide rod 502 and the second guide rod 505.

[0027] In summary, if Figures 1 to 4 As shown, the centrifugal pump with the end cover convenient for disassembly and assembly, when in use, first when the centrifugal pump group 3 and the end cover assembly 4 need to be disassembled, firstly, the fastening bolts 404 connecting and fixing the docking flange 302 and the connecting flange 402 are screwed out in sequence, and then the fixing bolts 305 are respectively screwed in the vertical direction from the docking flange 302, the connecting flange 402 and the connecting hook 304, and then the structural mobility of the rotating shaft frame 303 is used to fold the hook 304 that hooks the docking flange 302 and the connecting flange 402 at the same time in the vertical direction, so as to release the limit of the docking flange 302 and the connecting flange 402, and then the centrifugal pump group 3 and the end cover assembly 4 are structurally separated;

[0028] Then, the main cover body 401 connected to the first slider 503 and the second slider 507 through the support pile 403 is slid and translated in the horizontal direction along the surface of the first guide rod 502 and the second guide rod 505 toward the support frame 6 where the fixing frame 501 is installed by using the first slider 503 and the second slider 507, so that the entire end cover assembly 4 gradually moves away from the centrifugal pump group 3;

[0029] At the same time, by rotating the turntable 203, the adjusting screw 202 is driven to rotate axially in the horizontal direction, so that the moving platform 204 with the centrifugal pump group 3 fixed on the top is translated along the surface of the track platform 201 and the adjusting screw 202 in the direction away from the end cover assembly 4, and finally the centrifugal pump group 3 and the end cover assembly 4 are separated from each other to a sufficient distance by the use of the auxiliary component 5 and the screw slide group 2 on the top of the platform 1, so that the operating personnel have enough space to carry out maintenance operations on the inside of the pump body 301.

[0030] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A centrifugal pump with an easily disassembled end cover, comprising a base (1) and an auxiliary component (5), characterized in that: A screw slide assembly (2) is installed on the right side of the top of the platform (1), and a centrifugal pump assembly (3) is installed on the top of the screw slide assembly (2), and an end cover assembly (4) is connected to the left side of the centrifugal pump assembly (3), the auxiliary assembly (5) is connected to the upper and lower sides of the end cover assembly (4), and a support frame (6) is vertically installed on the side of the auxiliary assembly (5) away from the end cover assembly (4), and the auxiliary assembly (5) includes a fixing frame (501), a first guide rod (502), a first slide block (503), an auxiliary slide block (504), a second guide rod (50 5), a stabilizing frame (506) and a second slider (507), the upper end of the fixed frame (501) is horizontally mounted with a first guide rod (502), and the surface of the first guide rod (502) is slidably mounted with a first slider (503) and an auxiliary slider (504), the lower end of the fixed frame (501) is horizontally mounted with a second guide rod (505), and the end of the second guide rod (505) away from the fixed frame (501) is mounted with a stabilizing frame (506), and the surface of the second guide rod (505) is slidably mounted with a second slider (507).

2. A centrifugal pump with an easily disassembled end cover according to claim 1, characterized in that: The screw slide assembly (2) comprises a track platform (201), an adjusting screw (202), a turntable (203) and a moving platform (204); the adjusting screw (202) is horizontally installed inside the track platform (201), one end of the adjusting screw (202) is connected to the turntable (203), and the top of the track platform (201) is slidably connected to the moving platform (204).

3. A centrifugal pump with an easily disassembled end cover according to claim 2, characterized in that: The rotating disk (203) is fixedly connected to the adjusting screw rod (202), and the adjusting screw rod (202) is connected to the moving platform (204) via a slider structure.

4. A centrifugal pump with an easily disassembled end cover according to claim 2, characterized in that: The centrifugal pump assembly (3) comprises a pump body (301), a docking flange (302), a shaft support (303), a hook (304) and a fixing bolt (305); a docking flange (302) is provided at an opening on one side of the pump body (301) close to the end cover assembly (4); a shaft support (303) is installed on the surface of one end of the pump body (301) close to the docking flange (302); a hook (304) is installed at one end of the shaft support (303) away from the pump body (301); and a fixing bolt (305) is threadedly installed on the middle section of the hook (304).

5. A centrifugal pump with easily disassembled end cover according to claim 4, characterized in that: The fixing bolt (305) is threadedly connected to the docking flange (302), the pump body (301) is fixedly mounted on the top surface of the moving platform (204), and the rotating shaft frame (303) and the hook (304) are equidistantly distributed on one end surface of the pump body (301).

6. A centrifugal pump with easily disassembled end cover according to claim 4, characterized in that: The end cover assembly (4) comprises a main cover body (401), a connecting flange (402), a supporting pile (403) and a fastening bolt (404); a connecting flange (402) is provided on a side of the main cover body (401) close to the centrifugal pump unit (3); supporting piles (403) are symmetrically installed at the upper and lower ends of a side of the main cover body (401) away from the connecting flange (402); and fastening bolts (404) are equidistantly threadedly installed on the surface of the connecting flange (402).

7. A centrifugal pump with easily disassembled end cover according to claim 6, characterized in that: The fixing bolts (305) are threadedly connected to the connecting flange (402), the structures of the connecting flange (402) and the docking flange (302) match each other, the main cover (401) and the supporting pile (403) are fixedly connected, and the fastening bolts (404) are threadedly connected to the connecting flange (402) and the docking flange (302).

8. A centrifugal pump with easily disassembled end cover according to claim 6, characterized in that: The first slider (503) and the second slider (507) are both fixedly connected to the support pile (403), and one end of the auxiliary slider (504) away from the first guide rod (502) is fixedly connected to the top of the pump body (301).

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