Pulley guide rail tool for installing solar thermal power generation high-temperature molten salt pump

By designing pulley guide tooling, the problems of low installation efficiency and difficult to control the accuracy of traditional high-temperature molten salt pumps are solved, and a more efficient and precise installation process is achieved, ensuring the stability and reliability of the equipment.

CN222973388UActive Publication Date: 2025-06-13POWERCHINA RENEWABLE ENERGY CO LTD +1
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Patent Information

Application Number
CN202422021990.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-20
Publication Date
2025-06-13
Estimated Expiration
2034-08-20

AI Technical Summary

Technical Problem

The traditional high-temperature molten salt pump installation method is inefficient and difficult to control the accuracy, especially during the horizontal installation of the long-axis molten salt pump.

Method used

A pulley guide rail tooling is designed, including guide rails, water outlet pump seat truck assembly, water hoisting pipe truck assembly and pump head truck assembly. Through the cooperation of these components, it can be adapted to molten salt pumps of different lengths to improve installation efficiency and accuracy.

Benefits of technology

The tooling significantly improves the installation efficiency and accuracy of the high-temperature molten salt pump, ensures the level of the water hoisting pipe and the horizontal installation of the pump head, and enhances the stability and reliability of the equipment.

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Abstract

The utility model discloses a pulley guide rail tool for installing a solar thermal power generation high-temperature molten salt pump. The pulley guide rail tool comprises a guide rail I, a water outlet pump seat trailer assembly, a water lifting pipe trailer assembly and a pump head trailer assembly, the bottoms of the water outlet pump seat trailer assembly and the water lifting pipe trailer assembly are arranged on the guide rail I and can move in the length direction of the guide rail I; the pump head trailer assembly is arranged outside the guide rail I and located at the end where the water lifting pipe trailer assembly is located. The water outlet pump seat trailer assembly is used for supporting a water outlet pump seat, the lifting pipe trailer assembly is used for supporting a lifting pipe, and the pump head trailer assembly is used for supporting a pump head, so that the axis of the molten salt pump is horizontal; according to the utility model, the installation efficiency can be greatly improved, the levelness of a plurality of sections of lifting pipes during installation in a factory is ensured, and the precision of the long-axis molten salt pump in a horizontal installation state is improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of solar thermal power generation, and particularly relates to a pulley guide tooling for the installation of a high-temperature molten salt pump for solar thermal power generation. Background Technique

[0002] The high-temperature molten salt pump is a core device of the solar thermal power station system and plays a crucial role in the safe, stable and economic operation of the power station. The prerequisite for achieving safe, stable and economic operation is to ensure the reliability during the installation process of the molten salt pump.

[0003] See the appendix Figure 8 , the structure of the molten salt pump includes a water outlet pump seat 04, a lift pipe 05 and a pump head 06 connected in sequence, with a relatively long structural dimension. The installation deviation will increase with the increase of the length. At this time, it is particularly important to control the installation accuracy.

[0004] However, the traditional installation form is single, mostly using lifting in cooperation with a forklift for fixation, which is time-consuming and laborious, and the installation efficiency is low; moreover, it is greatly affected by human operation factors, and it is not easy to control the level accuracy during the installation process of the molten salt pump. Therefore, specially designed tooling for the molten salt pump has an important impact on the installation efficiency, level accuracy and long-term stable operation. Content of the Utility Model

[0005] In view of this, the utility model provides a pulley guide tooling for the installation of a high-temperature molten salt pump for solar thermal power generation, which can greatly improve the installation efficiency, ensure the levelness of multiple sections of lift pipes during factory installation, and improve the accuracy of the horizontal installation state of the long-axis molten salt pump.

[0006] The utility model is realized through the following technical solutions:

[0007] A pulley guide tooling for the installation of a high-temperature molten salt pump for solar thermal power generation, wherein the high-temperature molten salt pump for solar thermal power generation includes a water outlet pump seat, a lift pipe and a pump head connected in sequence;

[0008] The pulley guide tooling includes: Guide Rail I and a water outlet pump seat trolley assembly, a lift pipe trolley assembly and a pump head trolley assembly arranged in sequence;

[0009] The bottoms of the water outlet pump seat trolley assembly and the lift pipe trolley assembly are both arranged on Guide Rail I and can move along the length direction of Guide Rail I; the pump head trolley assembly is arranged outside Guide Rail I and is located at the end where the lift pipe trolley assembly is located;

[0010] The water outlet pump seat trolley assembly is used to support the water outlet pump seat, the lift pipe trolley assembly is used to support the lift pipe, and the pump head trolley assembly is used to support the pump head, so that the axis of the molten salt pump is horizontal.

[0011] Furthermore, the lifting pipe trolley assembly includes a support steel plate I, a support column I, a bottom steel plate I, and a track wheel I; the track wheel I is arranged on the bottom steel plate I and is correspondingly matched with the guide rail; the support column I is vertically welded on the bottom steel plate I, and the support steel plate I is welded on the top of the support column I;

[0012] The pump head trolley assembly includes a bottom steel plate II, a support column II, and a support steel plate II; the bottom steel plate II is fixedly arranged, the support column II is vertically welded on the bottom steel plate II, and the support steel plate II is welded on the top of the support column II;

[0013] The water outlet pump seat trolley assembly includes a track wheel III, a bottom steel plate III, an inner steel plate III, an outer steel plate III, and a support steel plate III;

[0014] The track wheel III is arranged on the bottom steel plate III and is correspondingly matched with the guide rail; the outer steel plate III and the inner steel plate III are respectively welded at opposite ends of the top of the bottom steel plate III, and the inner steel plate III is closer to the pump head trolley assembly than the outer steel plate III; the support steel plate III is welded on the top of the outer steel plate III, and the support steel plate III and the inner steel plate III jointly support the water outlet pump seat.

[0015] Furthermore, the top surfaces of the support steel plate I, the support steel plate II, and the support steel plate III are all concave surfaces.

[0016] Furthermore, the support steel plate I, the support steel plate II, and the support steel plate III are all made of arc-shaped steel plates.

[0017] Furthermore, let the vertical plane passing through the axes of the support steel plate I, the support steel plate II, and the support steel plate III be the central plane, and threaded holes symmetrical with respect to the central plane are respectively arranged on the support steel plate I, the support steel plate II, and the support steel plate III, and thick nuts and hexagon head bolts are arranged in one-to-one correspondence with the corresponding threaded holes.

[0018] Furthermore, both the support column I and the support column II are made of hot-rolled H-shaped steel.

[0019] Furthermore, the guide rail I is made of equal-angle steel, and both the track wheel I and the track wheel III are made of heavy-angle steel track wheels.

[0020] Beneficial effects:

[0021] (1) A pulley guide rail tooling for the installation of a high-temperature molten salt pump for solar thermal power generation provided by the present utility model is composed of a lifting pipe trolley assembly, a pump head trolley assembly, and a water outlet pump seat trolley assembly, with a clear structural hierarchy. By adjusting the length of the guide rail and the quantity and position of the lifting pipe trolley assembly and the pump head trolley assembly, it can be adapted to molten salt pump devices of different lengths, is convenient to use, flexible to adjust, and can improve the installation efficiency and installation accuracy of the high-temperature molten salt pump for solar thermal power generation.

[0022] (2) The top surfaces of the support steel plates I, II and III of the utility model are all concave, which is conducive to limiting the position of the molten salt pump.

[0023] (3) The supporting steel plates I, II and III of the utility model are all arc-shaped steel plates. The arc-shaped steel plates are stress-bearing surfaces that directly contact the components of the molten salt pump. Compared with line contact, the stress-bearing area is increased, deformation and damage of the equipment are avoided, and the anti-overturning ability is strong, which is safe and reliable.

[0024] (4) The utility model is provided with threaded holes, thick nuts and hexagonal bolts, which can be used to fine-tune the height of the equipment. The operation is simple and effectively improves the installation accuracy and the overall levelness of the equipment. The symmetrically arranged threaded holes make the components of the molten salt pump bear force evenly, minimizing damage to the equipment.

[0025] (5) The support column I and the support column II of the utility model are both made of hot-rolled H-shaped steel. The bottom steel plate I and the support steel plate I are connected by welding with hot-rolled H-shaped steel. The bottom steel plate II and the support steel plate II are connected by welding with hot-rolled H-shaped steel. The utility model has a simple structure, high strength and strong deformation resistance.

[0026] (6) The guide rail of the utility model adopts equilateral angle steel, which has high strength and strong deformation resistance. Track wheel I and track wheel III slide on it with small resistance. During the installation process, the operator can reduce the frequency of using lifting equipment, effectively shorten the installation time, and increase the installation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a structural schematic diagram of the pulley guide tooling of the utility model;

[0028] Figure 2 This is a front view of the water pipe trolley assembly;

[0029] Figure 3 It is a top view of the water pipe support vehicle assembly;

[0030] Figure 4 This is the front view of the pump head trolley assembly;

[0031] Figure 5 It is a top view of the pump head carriage assembly;

[0032] Figure 6 This is the front view of the water outlet pump seat trolley assembly;

[0033] Figure 7 It is a top view of the water outlet pump seat trolley assembly;

[0034] Figure 8 This is a schematic diagram of the application of the pulley guide fixture to the installation of the molten salt pump;

[0035] Among them, 01 - lift water pipe trolley assembly, 02 - pump head trolley assembly, 03 - water outlet pump base trolley assembly, 04 - water outlet pump base, 05 - lift water pipe, 06 - pump head, 1 - guide rail, 2 - track wheel Ⅰ, 3 - bottom steel plate Ⅰ, 4 - support column Ⅰ, 5 - thick nut, 6 - hexagon head bolt, 7 - support steel plate Ⅰ, 8 - support column Ⅱ, 9 - support steel plate Ⅱ, 10 - track wheel Ⅲ, 11 - bottom steel plate Ⅲ, 12 - inner steel plate Ⅲ, 13 - outer steel plate Ⅲ, 14 - support steel plate Ⅲ, 15 - bottom steel plate Ⅱ. Specific implementation manner

[0036] The following combines the drawings and gives examples to describe the present utility model in detail. This embodiment is implemented on the premise of the technical solution of the present utility model, and gives detailed implementation manners and specific operation processes, but the protection scope of the present utility model is not limited to the following embodiments.

[0037] In the following embodiments or examples, if there is no special description of the functional components or structures, it means that they are all conventional components or conventional structures adopted in the art to achieve the corresponding functions.

[0038] This embodiment provides a pulley guide rail tooling for the installation of a high-temperature molten salt pump for solar thermal power generation. Among them, the high-temperature molten salt pump for solar thermal power generation includes a water outlet pump base 04, a lift water pipe 05, and a pump head 06 that are connected in sequence;

[0039] See Att Figure 1 to Att Figure 7 , the pulley guide rail tooling includes: a guide rail Ⅰ and a water outlet pump base trolley assembly 03, a lift water pipe trolley assembly 01, and a pump head trolley assembly 02 arranged in sequence;

[0040] The bottoms of the water outlet pump base trolley assembly 03 and the lift water pipe trolley assembly 01 are both arranged on the guide rail Ⅰ and can move along the length direction of the guide rail Ⅰ; the pump head trolley assembly 02 is arranged outside the guide rail Ⅰ and is located at the end where the lift water pipe trolley assembly 01 is located;

[0041] The water outlet pump base trolley assembly 03 is used to support the water outlet pump base 04, the lift water pipe trolley assembly 01 is used to support the lift water pipe 05, and the pump head trolley assembly 02 is used to support the pump head 06, so that the axis of the molten salt pump is horizontal.

[0042] The pulley guide rail tooling for the installation of a high-temperature molten salt pump for solar thermal power generation provided in this embodiment is composed of a lift water pipe trolley assembly 01, a pump head trolley assembly 02, and a water outlet pump base trolley assembly 03. The structure level is clear. By adjusting the length of the guide rail and the quantity and position of the lift water pipe trolley assembly and the pump head trolley assembly, molten salt pump equipment with different lengths can be adapted. It is convenient to use, flexible to adjust, and can improve the installation efficiency and installation accuracy of the high-temperature molten salt pump for solar thermal power generation.

[0043] See attached Figures 1-3 , the water pipe support vehicle assembly 01 includes a support steel plate Ⅰ7, a support column Ⅰ4, a bottom steel plate Ⅰ3 and a track wheel Ⅰ2;

[0044] Track wheel Ⅰ2 is arranged on the bottom steel plate Ⅰ3, corresponding to the guide rail 1; support column Ⅰ4 is vertically welded on the bottom steel plate Ⅰ3, support steel plate Ⅰ7 is welded on the top of support column Ⅰ4, and the top surface of support steel plate Ⅰ7 is concave, which is conducive to the lateral limitation of water lifting pipe 05;

[0045] See attached Figure 1 , 4 and 5, the pump head carriage assembly 02 comprises a bottom steel plate II 15, a support column II 8 and a support steel plate II 9;

[0046] The bottom steel plate Ⅱ15 is fixedly arranged, for example, arranged on the ground, the support column Ⅱ8 is vertically welded and arranged on the bottom steel plate Ⅱ15, the support steel plate Ⅱ9 is welded on the top of the support column Ⅱ8, and the top surface of the support steel plate Ⅱ9 is a concave surface, which is conducive to the lateral limitation of the pump head 06;

[0047] See attached Figure 1 , 6 and 7, the water outlet pump seat support assembly 03 includes a track wheel III10, a bottom steel plate III11, an inner steel plate III12, an outer steel plate III13 and a support steel plate III14;

[0048] The track wheel Ⅲ10 is arranged on the bottom steel plate Ⅲ11 and corresponds to the guide rail 1; the outer steel plate Ⅲ13 and the inner steel plate Ⅲ12 are respectively welded at the opposite ends of the top of the bottom steel plate Ⅲ11, and the inner steel plate Ⅲ12 is closer to the pump head support assembly 02 than the outer steel plate Ⅲ13; the support steel plate Ⅲ14 is welded to the top of the outer steel plate Ⅲ13, and the support steel plate Ⅲ14 and the inner steel plate Ⅲ12 jointly support the water outlet pump seat.

[0049] In one embodiment, arc-shaped steel plates are used for supporting steel plates I7, II9 and III14. The arc-shaped steel plates are force-bearing surfaces that directly contact the components of the molten salt pump. Compared with line contact, the force-bearing area is increased, deformation and damage of the equipment are avoided, and the anti-overturning ability is strong, safe and reliable.

[0050] Furthermore, the vertical plane passing through the axes of the support steel plates Ⅰ7, Ⅱ9 and Ⅲ14 is taken as the center plane, and threaded holes symmetrical with respect to the center plane are respectively provided on the support steel plates Ⅰ7, Ⅱ9 and Ⅲ14, and the thick nuts 5 and hexagonal bolts 6 are arranged one by one with the corresponding threaded holes. During the installation process, the height of the equipment can be fine-tuned using the threaded holes, thick nuts 5 and hexagonal bolts 6, which is simple to operate and effectively improves the installation accuracy and the overall levelness of the equipment. The symmetrically arranged threaded holes make the components of the molten salt pump evenly stressed, minimizing damage to the equipment.

[0051] In one embodiment, both the support column I 4 and the support column II 8 are made of hot-rolled H-shaped steel; the bottom steel plate I 3 and the support steel plate I 7 are welded and connected by hot-rolled H-shaped steel, and the bottom steel plate II 15 and the support steel plate II 9 are welded and connected by hot-rolled H-shaped steel. The structure is simple, with high strength and strong anti-deformation ability.

[0052] In one embodiment, the guide rail I is made of equal-angle steel, and both the track wheel I 2 and the track wheel III 10 are made of heavy-angle steel track wheels; the guide rail is made of equal-angle steel, with high strength and strong anti-deformation ability. The track wheel I 2 and the track wheel III 10 slide on it with small resistance, which can reduce the use frequency of lifting equipment during the installation process by the operator, effectively shorten the installation time, and increase the installation efficiency.

[0053] Each of the above embodiments can be implemented independently, or can be combined in any pair or more combinations.

[0054] Working principle:

[0055] When the molten salt pump is installed or disassembled, the pulley guide rail tooling always bears the gravity of the whole molten salt pump or part of it vertically downward, and is jointly borne by the water outlet pump base trolley assembly 03, the lift pipe trolley assembly 01 and the pump head trolley assembly 02.

[0056] The lift pipe trolley assembly 01 mainly bears the gravity of the lift pipe 05 vertically downward, and the relevant forces and loads will be transmitted to the ground through the support steel plate I 7, the support column I 4, the bottom steel plate I 3, the track wheel I 2 and the guide rail 1;

[0057] The pump head trolley assembly 02 mainly bears the gravity of the pump head 06 vertically downward, and the relevant forces and loads will be transmitted to the ground through the support steel plate II 9, the support column II 8 and the bottom steel plate II 15;

[0058] The water outlet pump base trolley assembly 03 mainly bears the gravity of the water outlet pump base 04 vertically downward, and the relevant forces and loads will be transmitted to the ground through the support steel plate III 14, the outer steel plate III 13, the inner steel plate III 12, the bottom steel plate III 11, the track wheel III 10 and the guide rail 1.

[0059] In summary, the above is only the preferred embodiment of the present invention, and is not intended to limit the protection scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A pulley guide rail tooling for installing a high-temperature molten salt pump for solar thermal power generation, wherein the high-temperature molten salt pump for solar thermal power generation comprises a water outlet pump seat, a water lifting pipe and a pump head connected in sequence; It is characterized in that The pulley guide rail tooling includes: guide rail I and a water outlet pump seat support assembly, a water lifting pipe support assembly and a pump head support assembly which are arranged in sequence; The bottoms of the water outlet pump seat support assembly and the water lifting pipe support assembly are both arranged on the guide rail I and can move along the length direction of the guide rail I; the pump head support assembly is arranged outside the guide rail I and is located at the end where the water lifting pipe support assembly is located; The water outlet pump seat support assembly is used to support the water outlet pump seat, the water lifting pipe support assembly is used to support the water lifting pipe, and the pump head support assembly is used to support the pump head, so that the axis of the molten salt pump is horizontal.

2. A pulley guide rail tooling for installing a high-temperature molten salt pump for solar thermal power generation as claimed in claim 1, characterized in that: The water pipe support vehicle assembly includes a supporting steel plate I, a supporting column I, a bottom steel plate I and a track wheel I; the track wheel I is arranged on the bottom steel plate I and corresponds to the guide rail; Support column I is vertically welded to the bottom steel plate I, and support steel plate I is welded to the top of support column I; The pump head support assembly includes a bottom steel plate II, a support column II and a support steel plate II; The bottom steel plate II is fixedly arranged, the support column II is vertically welded and arranged on the bottom steel plate II, and the support steel plate II is welded to the top of the support column II; The water outlet pump support vehicle assembly includes track wheel III, bottom steel plate III, inner steel plate III, outer steel plate III and support steel plate III; The track wheel III is arranged on the bottom steel plate III and corresponds to the guide rail; the outer steel plate III and the inner steel plate III are respectively welded at the opposite ends of the top of the bottom steel plate III, and the inner steel plate III is closer to the pump head support assembly than the outer steel plate III; the support steel plate III is welded to the top of the outer steel plate III, and the support steel plate III and the inner steel plate III jointly support the water outlet pump seat.

3. A pulley guide rail tooling for installing a high-temperature molten salt pump for solar thermal power generation as claimed in claim 2, characterized in that: The top surfaces of the supporting steel plate I, the supporting steel plate II and the supporting steel plate III are all concave surfaces.

4. A pulley guide rail tooling for installing a high-temperature molten salt pump for solar thermal power generation as claimed in claim 3, characterized in that: The supporting steel plates I, II and III are all made of curved steel plates.

5. A pulley guide rail tooling for installing a high-temperature molten salt pump for solar thermal power generation as claimed in claim 4, characterized in that: The vertical plane passing through the axes of supporting steel plates I, II and III is taken as the center plane. Supporting steel plates I, II and III are respectively provided with threaded holes symmetrical with respect to the center plane, and thick nuts, hexagonal head bolts and corresponding threaded holes are arranged one by one.

6. A pulley guide rail tooling for installing a high-temperature molten salt pump for solar thermal power generation as claimed in any one of claims 2 to 5, characterized in that: Both support columns I and II are made of hot-rolled H-shaped steel.

7. A pulley guide rail tooling for installing a high-temperature molten salt pump for solar thermal power generation as claimed in any one of claims 2 to 5, characterized in that: Guide rail Ⅰ adopts equilateral angle steel, and track wheel Ⅰ and track wheel Ⅲ both adopt heavy angle steel track wheels.