A vertical transportation tool and transportation method for a pump core

By designing a vertical transport fixture for the pump core, the problems of high tool requirements and damage risk during the assembly of vertical pumps were solved, achieving efficient and low-cost transportation and installation.

CN117429850BActive Publication Date: 2026-06-09SEC KSB NUCLEAR PUMPS & VALVES

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SEC KSB NUCLEAR PUMPS & VALVES
Filing Date
2023-11-08
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

During the assembly of vertical pumps, heavy components such as the sealing chamber, sealing gland, impeller, and guide vanes require special tools for hoisting, resulting in high on-site assembly costs, long assembly times, and the risk of damage.

Method used

Design a vertical transport fixture for pump cores, including a base assembly, a column assembly, a main support flange, a secondary support flange, and a protective assembly. The assembled pump core is fixed and protected by the transport fixture to achieve overall transport.

Benefits of technology

It eliminates the need for on-site assembly, reducing transportation and assembly costs, minimizing the risk of component damage, and improving installation efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

A vertical transportation tool for a pump core comprises a base assembly, a column assembly, a main support flange and a secondary support flange, the column assembly is fixedly connected to the base assembly and is arranged in a vertical direction, the main support flange is fixedly connected to the column assembly, and the secondary support flange is fixedly connected to the base assembly and is arranged between the main support flange and the base assembly. The vertical transportation tool for the pump core and the transportation method provide a transportation tool for transporting the assembled vertical pump, so that the vertical pump can be completely assembled and transported, the dedicated lifting and overturning tool does not need to be transported to the use site to assemble the parts of the vertical pump, the transportation cost is saved, and the assembly cost and assembly time of the parts of the vertical pump during the assembly process at the use site are effectively saved.
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Description

Technical Field

[0001] This invention relates to a vertical transport fixture and transport method for pump cores. Background Technology

[0002] During the assembly of some types of vertical pumps, the weight of pump components such as the sealing chamber, sealing gland, impeller, and guide vanes often necessitates the use of specialized tools and lifting equipment. Particular attention is required when installing the impeller, as a specialized shaft seal chamber tilting tool is indispensable. Currently, all components of the vertical pump unit are shipped to the site in disassembled form for assembly. This means that on-site assembly often requires the use of the aforementioned complete set of specialized tools, lifting equipment, and tilting tools to ensure successful installation and compliance with design requirements. Furthermore, the packaging, transportation, and reassembly of pump unit components can increase costs and time consumption. Some pump unit components also face the risk of damage during installation. Summary of the Invention

[0003] The purpose of this invention is to provide a vertical transport fixture and transport method for pump cores, which has the advantages of high installation efficiency and less risk of damaging pump components.

[0004] To achieve the above objectives, the present invention provides a vertical transport fixture for pump cores, comprising:

[0005] Base assembly;

[0006] A column assembly, which is fixedly connected to the base assembly and is arranged in a vertical direction;

[0007] Main support flange, which is fixedly connected to the column assembly;

[0008] A secondary support flange is fixedly connected to the base assembly, and the secondary support flange is disposed between the main support flange and the base assembly;

[0009] After the pump core is placed into the transport fixture, the main support flange is used to bear the weight load of the pump core, and the secondary support flange is used to horizontally position the pump core and protect the suction area of ​​the pump core.

[0010] Preferably, the transport fixture further includes a secondary flange adjustment assembly, which is disposed between the secondary support flange and the base assembly. The secondary flange adjustment assembly is used to adjust the relative position between the secondary support flange and the main support flange along the length direction of the column assembly.

[0011] Preferably, the transport fixture further includes a horizontal positioning component, which is movably connected to the sub-support flange and the column assembly, and is movable relative to the column assembly to adjust the horizontal position of the sub-support flange.

[0012] Preferably, the transport fixture further includes a pump core protection assembly made of cushioning material, which is disposed at the contact points between the main support flange and the secondary support flange and the pump core.

[0013] Preferably, the transport fixture further includes a clamping assembly, which includes a clamping plate movably connected to the base assembly. The clamping plate is movable in a direction parallel to the column assembly to clamp the pump core to the main support flange.

[0014] Preferably, the clamping assembly further includes a connecting plate and an adjusting rod. The connecting plate is fixedly connected to the main support flange, and the adjusting rod is movably connected to the connecting plate and the clamping plate. The adjusting rod is arranged parallel to the column assembly.

[0015] Preferably, the transport fixture further includes a lifting assembly, which is fixedly connected to the top of the column assembly, and the lifting assembly has a lifting hole.

[0016] Preferably, the column assembly includes a plurality of columns, which are evenly distributed circumferentially along the main support flange.

[0017] Preferably, the column is made of I-beams or channel steel.

[0018] The present invention also provides a method for transporting pump cores, the method being carried out using the vertical transport fixture for pump cores as described above, the method comprising:

[0019] S10. Assemble the pump core into a complete assembly;

[0020] S20. The pump core is installed into the transport fixture, so that the pump core abuts against the main support flange and the secondary support flange;

[0021] S30. Adjust the horizontal positioning component so that the secondary support flange abuts against the pump core to prevent the pump core from swaying horizontally.

[0022] S40. Adjust the clamping assembly to press the pump core against the main support flange;

[0023] S50. The pump core is hoisted together with the transport fixture.

[0024] In summary, compared with the prior art, the vertical transport fixture and transport method for pump cores provided by the present invention have the following beneficial effects:

[0025] The vertical transport fixture and transport method for pump cores provided in this application provide a transport fixture for transporting the pump core of a vertical pump after assembly, so that the pump core of the vertical pump can be transported after complete assembly, without the need to transport special hoisting and turning tools to the application site to assemble the components of the vertical pump core, thus saving transportation costs and effectively saving assembly costs and assembly time of the components of the vertical pump core during the assembly process at the application site. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the pump core being installed in a transport fixture.

[0027] Figure 2 This is a structural diagram of the transport tooling.

[0028] Figure 3 A schematic diagram of the pump core protection assembly for transport tooling.

[0029] Explanation of reference numerals in the attached figures:

[0030] 10 transport tools

[0031] Base assembly 100

[0032] Column assembly 200

[0033] Column 210

[0034] Link 220

[0035] Part 230

[0036] Main support flange 300

[0037] 400 auxiliary support flange

[0038] Sub-flange adjustment assembly 500

[0039] Horizontal positioning component 600

[0040] Pump core protection assembly 700

[0041] Clamping assembly 800

[0042] Clamping plate 810

[0043] Connector plate 820

[0044] Adjusting rod 830

[0045] Lifting assembly 900

[0046] Pump core 20 Detailed Implementation

[0047] The following will be combined with the appendix in the embodiments of the present invention. Figure 1 ~Attached Figure 3 The technical solutions, structural features, objectives and effects achieved in the embodiments of the present invention will be described in detail.

[0048] It should be noted that the accompanying drawings are in a very simplified form and use non-precise proportions. They are only used to facilitate and clarify the purpose of illustrating the embodiments of the present invention, and are not intended to limit the implementation conditions of the present invention. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportional relationship, or adjustments to the size should still fall within the scope of the technical content disclosed in the present invention, provided that they do not affect the effects and objectives that the present invention can produce.

[0049] It should be noted that, in this invention, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only the expressly listed elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus.

[0050] like Figure 2As shown, the present invention provides a vertical transport fixture for a pump core. The transport fixture 10 includes a base assembly 100, a column assembly 200, a main support flange 300, and a secondary support flange 400. The base assembly 100 is a rigid metal plate used to support the weight of the pump core 20. A through hole is provided on the base assembly 100. During transport, the through hole on the base assembly 100 can be used to bolt the entire transport fixture 10 to the floor of the transport vehicle, ensuring a stable connection between the transport fixture 10 and the floor during transport and preventing the transport fixture 10 from tipping over. The column assembly 200 is fixedly connected to the base assembly 100 and is arranged vertically. The column assembly 200 is used to support the main support flange 300 in a direction perpendicular to the base assembly 100. In general, the base assembly 100 is provided with a column assembly 200, and the column assembly 200 is provided with a main support flange 300 and a secondary support flange 400. After the pump core 20 is hoisted into the transport fixture 10, the pump core 20 comes into contact with the main support flange 300 and the secondary support flange 400. The main support flange 300 is used to bear the weight load of the pump core 20, and the secondary support flange 400 is used to assist in positioning the pump core 20 without bearing the weight load of the pump core 20. The main support flange 300 and the secondary support flange 400 are arranged in the vertical direction, and the main support flange 300 supports the pump core 20 in the vertical direction, thereby realizing the vertical support of the pump core 20 by the transport fixture 10. The main support flange 300 is fixedly connected to the column assembly 200, and the main support flange 300 is fixedly connected to the end of the column assembly 200. That is, the main support flange 300 and the base assembly 100 are respectively fixedly connected to both ends of the column assembly 200. This arrangement can avoid interference between the column assembly 200 and the pump core 20 when the pump core 20 is hoisted into and out of the transport fixture 10. The auxiliary support flange 400 is fixedly connected to the base assembly 100, and the auxiliary support flange 400 is located between the main support flange 300 and the base assembly 100. When the pump core 20 is hoisted into the transport fixture 10, the auxiliary support flange 400 is used to wrap and protect the impeller suction area of ​​the pump core 20, and the auxiliary support flange 400 only serves as auxiliary support and protection; the auxiliary support flange 400 itself does not bear the weight of the pump core 20.

[0051] The transport fixture 10 also includes a secondary flange adjusting assembly 500, which is disposed between the secondary support flange 400 and the base assembly 100. In this embodiment, the secondary flange adjusting assembly 500 includes mutually cooperating support bolts and support studs. Multiple support bolts and support studs are arranged circumferentially along the secondary support flange 400, and are evenly distributed circumferentially along the secondary support flange 400. The secondary flange adjusting assembly 500 is used to adjust the relative position between the secondary support flange 400 and the main support flange 300 along the length of the column assembly 200. Specifically, one end of the support stud is fixedly connected to the base assembly 100. The support bolt and the support stud are connected by a threaded pair. The top of the support bolt is movably connected to the secondary support flange 400. The distance between the secondary support flange 400 and the base assembly 100 can be adjusted by rotating the support bolt and the support stud relative to each other. Thus, when the length of the pump core 20 is different, the secondary flange adjustment assembly 500 can be adjusted to a suitable position to both wrap and protect the impeller suction area of ​​the pump core 20 and prevent the secondary support flange 400 from bearing the weight load of the pump core 20.

[0052] In this embodiment, the column assembly 200 includes multiple columns 210, which are evenly distributed circumferentially along the main support flange 300. In this embodiment, the column assembly 200 includes six columns 210, which are evenly distributed circumferentially along the main support flange 300. The columns 210 are vertically welded to the base assembly 100, and the columns 210 and the base assembly 100 are vertically connected. When the columns 210 are used to support the pump core 20, the load applied by the pump core 20 to the columns 210 through the main support flange 300 can be transmitted vertically to the base assembly 100, avoiding unreliable connections between the columns 210 and the base assembly 100 due to horizontal force components caused by the columns 210 not being perpendicular to the base assembly 100.

[0053] In other embodiments, four, five, or other numbers of columns 210 may be provided along the circumference of the main support flange 300, as long as they can stably support the pump core 20. In this embodiment, the columns 210 are made of I-beams or channel steel. In other embodiments, the columns may also be made of steel of other structures or other materials capable of supporting the pump core 20.

[0054] The transport fixture 10 also includes a horizontal positioning component 600, which is movably connected to the secondary support flange 400 and the column assembly 200. The horizontal positioning component 600 can move relative to the column assembly 200 to adjust the horizontal position of the secondary support flange 400. In this embodiment, a transverse connecting rod 220 connects two adjacent columns 210 of the column assembly 200, and a plate 230 with threaded holes is provided on the connecting rod 220. In this embodiment, three horizontal positioning components 600 are provided along the circumference of the secondary support flange 400, and the three horizontal positioning components 600 are spaced apart along the circumference of the secondary support flange 400 to position the pump core 20 in the horizontal direction. The horizontal positioning assembly 600 includes a horizontal fixing bolt. The horizontal fixing bolt passes through a threaded hole on the plate 230 fixed to the connecting rod 220 and is movably connected to the auxiliary support flange 400. After the pump core 20 is hoisted into the transport fixture 10, the auxiliary flange support assembly is first adjusted to adjust the auxiliary support flange 400 to a suitable position in the vertical direction, so that the auxiliary support flange 400 can wrap and protect the impeller suction area of ​​the pump core 20 without bearing the weight load of the pump core 20. After the auxiliary support flange 400 is adjusted to the position, the horizontal positioning assembly 600 is adjusted. Specifically, by turning the horizontal fixing bolt of the horizontal positioning assembly 600, the positional relationship between the auxiliary support flange 400 and the column assembly 200 is adjusted in all directions on the horizontal plane, so that the auxiliary support flange 400 is adjusted to horizontally position the pump core 20 in the circumferential direction, so that the pump core 20 does not wobble in the horizontal direction and avoids the pump core 20 from swinging during transportation.

[0055] like Figure 3 As shown, the transport fixture 10 also includes a pump core protection assembly 700, which is made of cushioning material and is located at the contact points between the main support flange 300 and the secondary support flange 400 and the pump core 20. In this way, the transport fixture 10 directly contacts the pump core 20 through the pump core protection assembly 700, ensuring that there is no metal-to-metal contact between the pump core 20 and the transport fixture 10 during transport, and ensuring that the surface of the pump core 20 is not damaged due to collisions with the transport fixture 10. In this embodiment, the pump core protection assembly 700 is made of plastic. In other embodiments, the pump core protection assembly 700 may also be made of rubber or other materials capable of cushioning the pump core 20.

[0056] like Figure 2As shown, the transport fixture 10 also includes a clamping assembly 800, which includes a clamping plate 810 movably connected to the base assembly 100. In this embodiment, the clamping assembly 800 is movably connected to the base assembly 100 via a connecting plate 820 connected to the main support flange 300. In other embodiments, the connecting plate 820 may be directly fixedly connected to the base assembly 100 or fixedly connected to the column assembly 200 to achieve the connection of the clamping assembly 800 to the base assembly 100. The clamping plate 810 can move in a direction parallel to the column assembly 200 to clamp the pump core 20 to the main support flange 300. In this embodiment, a pump core protection component 700 is also provided on the surface of the clamping plate 810 that contacts the pump core 20, to prevent the clamping plate 810, made of metal material, from directly contacting the pump core 20 and to prevent collisions between the clamping plate 810 and the pump core 20 during transportation, which could damage the surface of the pump core 20. The clamping component 800 also includes a connecting plate 820 and an adjusting rod 830. The connecting plate 820 is fixedly connected to the main support flange 300, and the adjusting rod 830 is movably connected to the connecting plate 820 and the clamping plate 810. The adjusting rod 830 is arranged parallel to the column assembly 200. The connecting plate 820 is fixedly connected to the main support flange 300 by welding. The bottom of the adjusting rod 830 is fixedly connected to the connecting plate 820. The rod body of the adjusting rod 830 is threaded. The clamping plate 810 has a through hole that matches the adjusting rod 830, so that the clamping plate 810 can move along the axial direction of the adjusting rod 830. The upper part of the clamping plate 810 is provided with an adjusting nut. The adjusting nut and the adjusting rod 830 are connected by a threaded pair. By changing the position of the adjusting nut, the clamping plate 810 can be adjusted to clamp or loosen the pump core 20. Figure 1 As shown, after the pump core 20 is hoisted into the transport fixture 10, the adjusting nut causes the clamping plate 810 to press the pump core 20 and the main support flange 300 together, ensuring a reliable connection between the pump core 20 and the transport fixture 10. When it is necessary to remove the pump core 20 from the transport fixture 10, first loosen the adjusting nut to release the clamping plate 810 from the pump core 20 and the main support flange 300, and then lift the pump core 20 out of the transport fixture 10. In this embodiment, two clamping assemblies 800 are arranged opposite each other along the circumference of the main support flange 300. In other embodiments, three or other numbers of clamping assemblies 800 may also be arranged along the circumference of the main support flange 300.

[0057] The transport fixture 10 also includes a lifting assembly 900, which is fixedly connected to the top of the column assembly 200. The lifting assembly 900 has a lifting hole. The lifting hole is used to connect the hook of an external lifting device. By hooking the hook into the lifting hole, the entire transport fixture 10 together with the pump core 20 can be lifted as a whole.

[0058] This embodiment also provides a method for transporting the pump core 20. The method is carried out using the vertical transport fixture 10 for the pump core 20 as described above. The method includes:

[0059] S10. Assemble the pump core 20 into a complete unit, that is, install the impeller, pump shaft and shaft seal chamber cover of the pump core 20 onto the shaft seal chamber to form the pump core 20.

[0060] S20. Install the pump core 20 into the transport fixture 10, so that the pump core 20 abuts against the main support flange 300 and the secondary support flange 400. Specifically, the sealing shell of the pump core 20 abuts against the main support flange 300, and the secondary support flange 400 wraps around and protects the impeller suction area of ​​the pump core 20. After assembly, the pump core 20 is installed into the transport fixture 10 as a whole. The vertical position of the secondary support flange 400 is adjusted by adjusting the secondary flange adjusting component 500, so that the secondary support flange 400 can wrap around and protect the impeller suction area of ​​the pump core 20 without bearing the weight of the pump core 20.

[0061] S30. Adjust the horizontal positioning component 600 so that the secondary support flange 400 abuts against the pump core 20 to prevent the pump core 20 from swaying horizontally. After the secondary support flange 400 is adjusted into position in the vertical direction, adjust the horizontal position of the secondary support flange 400 by adjusting the horizontal positioning component 600 to ensure that the secondary support flange 400 abuts against the pump core 20 in the horizontal direction to prevent the pump core 20 from swinging during transportation and causing damage to the pump core 20.

[0062] S40. Adjust the clamping assembly 800 to press the pump core 20 against the main support flange 300. After the secondary support flange 400 is adjusted into place, adjust the adjusting nut of the clamping assembly 800 so that the clamping plate 810 presses the pump core 20 and the main support flange 300 together, ensuring a reliable connection between the pump core 20 and the transport fixture 10.

[0063] S50. Hoist the pump core 20 together with the transport fixture 10. After ensuring that the pump core 20 and the clamping assembly 800 are reliably connected, hook the hook of the external lifting device into the lifting hole of the lifting assembly 900 and lift the pump core 20 and the transport fixture 10 together.

[0064] Although the present invention has been described in detail through the preferred embodiments above, it should be understood that the above description should not be considered as a limitation of the present invention. Various modifications and substitutions to the present invention will be apparent to those skilled in the art after reading the above description. Therefore, the scope of protection of the present invention should be defined by the appended claims.

Claims

1. A vertical transport fixture for pump cores, characterized in that, The transport fixture includes: a base assembly; a column assembly, the column assembly being fixedly connected to the base assembly and arranged vertically; a main support flange, the main support flange being fixedly connected to the column assembly; and a secondary support flange, the secondary support flange being fixedly connected to the base assembly and disposed between the main support flange and the base assembly. When the pump core is placed into the transport fixture, the main support flange is used to bear the weight load of the pump core, and the secondary support flange is used to horizontally position the pump core and protect the suction area of ​​the pump core. The transport fixture also includes a horizontal positioning assembly, the horizontal positioning assembly being movably connected to the secondary support flange and the column assembly, the horizontal positioning assembly being able to move relative to the column assembly to adjust the horizontal position of the secondary support flange. The column assembly includes multiple columns, the multiple columns being evenly distributed along the circumference of the main support flange.

2. The vertical transport fixture for pump cores as described in claim 1, characterized in that, The transport fixture also includes a secondary flange adjustment assembly, which is disposed between the secondary support flange and the base assembly. The secondary flange adjustment assembly is used to adjust the relative position between the secondary support flange and the main support flange along the length direction of the column assembly.

3. The vertical transport fixture for pump cores as described in claim 1, characterized in that, The transport fixture also includes a pump core protection assembly, which is made of cushioning material and is located at the contact points between the main support flange and the secondary support flange and the pump core.

4. The vertical transport fixture for pump cores as described in claim 1, characterized in that, The transport fixture also includes a clamping assembly, which includes a clamping plate movably connected to the base assembly. The clamping plate is movable in a direction parallel to the column assembly to clamp the pump core to the main support flange.

5. The vertical transport fixture for pump cores as described in claim 4, characterized in that, The clamping assembly further includes a connecting plate and an adjusting rod. The connecting plate is fixedly connected to the main support flange, and the adjusting rod is movably connected to the connecting plate and the clamping plate. The adjusting rod is arranged parallel to the column assembly.

6. The vertical transport fixture for pump cores as described in claim 1, characterized in that, The transport fixture also includes a lifting assembly, which is fixedly connected to the top of the column assembly and has a lifting hole.

7. The vertical transport fixture for pump cores as described in claim 1, characterized in that, The columns are made of I-beams or channel steel.

8. A method for transporting pump cores, characterized in that, The transportation method is accomplished using the vertical transportation fixture for the pump core as described in any one of claims 1-7. The transportation method includes: S10, assembling the pump core into a complete assembly; S20, loading the pump core into the transportation fixture, so that the pump core abuts against the main support flange and the secondary support flange; S30, adjusting the horizontal positioning component so that the secondary support flange abuts against the pump core to prevent the pump core from swaying horizontally; S40, adjusting the clamping component to clamp the pump core against the main support flange; S50, hoisting the pump core together with the transportation fixture.