Supporting device for shell-and-tube heat exchanger

Through the design of the support device, the drive motor and counterweight are used to correct the pipeline, so that the shell and tube heat exchanger can be accurately corrected before welding, solving the problem of long pipeline curvature and improving the convenience and accuracy of welding.

CN223389017UActive Publication Date: 2025-09-26YINCHUAN DAZHONG CHEM EQUIP CO LTD
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Patent Information

Application Number
CN202422466257.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-12
Publication Date
2025-09-26
Estimated Expiration
2034-10-12

AI Technical Summary

Technical Problem

When welding existing shell and tube heat exchangers, the heat exchange pipes are long, resulting in downward curvature at both ends, making it difficult to perform horizontal correction, which affects the welding effect.

Method used

A supporting device is used, including first and second supporting frames, a crossbeam, a moving assembly, a counterweight assembly and a correction assembly. The crossbeam is driven by a driving motor to move, and the heat exchanger pipeline is corrected by using a counterweight block for balancing and a hydraulic system to keep both ends of the pipeline level.

Benefits of technology

The heat exchanger pipe can be accurately calibrated before welding to ensure that both ends of the pipe are level, which improves the convenience of welding and the accuracy of calibration and enhances the stability of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a supporting device for a shell-and-tube heat exchanger, and relates to the technical field of supporting of shell-and-tube heat exchangers, the supporting device is characterized in that a moving assembly is arranged on the inner side of the top of a first supporting frame, a counterweight assembly is arranged on the outer side of the top of the first supporting frame, and the counterweight assembly is in transmission connection with the moving assembly; two same correcting assemblies are arranged at the bottom of the cross beam in a sliding mode. According to the device, the cross beam can be driven by the driving motor to move, the two ends of the heat exchanger pipeline can be corrected at different positions, after the position of the cross beam is changed, the driven wheel is driven by the driving motor to rotate, the driven wheel rotates to drive the balancing weight to move in the opposite direction, and the balance weight at the opposite position is increased; the whole equipment is more stable, the correction precision is improved, the two ends of the heat exchanger pipeline are in a horizontal state by connecting the traction plates to the designated positions of the two ends of the heat exchanger pipeline in a sleeving mode and adopting the principle of communicating vessels, and then correction of the heat exchanger pipeline is completed.
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Description

Technical Field

[0001] The present application relates to the technical field of supporting shell and tube heat exchangers, and in particular to a supporting device for shell and tube heat exchangers. Background Art

[0002] Shell-and-tube heat exchangers are essential components of heat exchange equipment such as lithium bromide refrigeration units, boilers, and heat pumps. Existing shell-and-tube heat exchange pipes often have a downward bend during welding due to their long length. This makes it difficult to easily level the pipes, making welding inconvenient and inconvenient. Utility Model Content

[0003] In order to make up for the above shortcomings, the utility model provides a support device for a shell and tube heat exchanger, which aims to improve the problem that when welding the existing shell and tube heat exchange pipes, the two ends of the heat exchange pipes often have a downward curvature due to the long length of the heat exchange pipes, and the two ends of the heat exchange pipes cannot be conveniently corrected horizontally, which makes it inconvenient to weld the heat exchange pipes.

[0004] This application is implemented as follows:

[0005] The present application provides a support device for a shell and tube heat exchanger comprising:

[0006] A first support frame, wherein a moving assembly is provided on an inner side of a top of the first support frame, and a counterweight assembly is provided on an outer side of a top of the first support frame, and the counterweight assembly is transmission-connected to the moving assembly;

[0007] A second support frame, the second support frame has the same structure as the first support frame, and the second support frame is arranged in a relatively coordinated manner with the first support frame;

[0008] A crossbeam, wherein both ends of the crossbeam are respectively matched with the moving components on the inner side of the first support frame and the moving components on the inner side of the second support frame, and the bottom of the crossbeam is slidingly provided with two identical correction components.

[0009] In one embodiment of the present application, an outer mounting groove is provided on the outer side of the top of the first support frame, an outer guide groove is provided on the inner wall of the outer mounting groove, an inner mounting groove is provided on the inner side of the top of the first support frame, an inner guide groove is provided on the inner wall of the inner mounting groove, and a side positioning groove is provided on the side wall of the top of the first support frame, and the side positioning grooves are respectively connected to the outer mounting groove and the inner mounting groove.

[0010] In one embodiment of the present application, the moving assembly includes a drive motor and a guide shaft, the drive motor is fixedly mounted on the top side wall of the first support frame, the output shaft of the drive motor passes through the top side wall of the first support frame, the guide shaft is rotatably mounted in the inner mounting groove, one end of the guide shaft is fixedly connected to the output shaft of the drive motor, the other end of the guide shaft passes through the inner mounting groove and is fixedly mounted with a driving wheel, and the driving wheel is rotatably mounted in the side borrow groove.

[0011] In one embodiment of the present application, a belt is sleeved on the outside of the driving wheel.

[0012] In one embodiment of the present application, the counterweight assembly includes an outer transmission shaft and a counterweight block, both ends of the outer transmission shaft are rotatably mounted in the outer mounting groove, the counterweight block is threadedly mounted on the outside of the outer transmission shaft, one side of the counterweight block is fixedly connected to an outer slider, and the outer slider is slidably mounted in the outer guide groove.

[0013] In one embodiment of the present application, one end of the outer transmission shaft passes through the outer mounting groove and is fixedly mounted with a driven wheel, the driven wheel is rotatably mounted in the side borrowing groove, and the driven wheel is arranged in cooperation with the belt.

[0014] In one embodiment of the present application, the end of the beam is slidably connected to the inner mounting groove, the end of the beam is fixedly connected to an inner slider, the inner slider is slidably connected to the inner guide groove, a transmission hole is provided at the end of the beam, the transmission hole is cooperated with the guide shaft, and a first sliding groove is provided at the bottom of the beam.

[0015] In one embodiment of the present application, the correction assembly includes a stabilizing block, a stabilizing block, a hydraulic block and a traction plate, the top of the stabilizing block is fixedly connected to a sliding block, the sliding block is slidably installed in the first slide groove, the outer end of the hydraulic block is slidably installed in the stabilizing block, the inner end of the hydraulic block is sealed in the stabilizing block, the top of the traction plate is fixedly connected to the top of the outer end of the hydraulic block, and the bottom end of the traction plate is connected to the heat exchanger pipe.

[0016] In one embodiment of the present application, a second slide groove is provided through the middle of the stabilizing block, and the second slide groove is slidingly connected to the outer end of the hydraulic block. A sealing groove is provided on the side wall of the stabilizing block, and the sealing groove is sealingly and slidingly connected to the inner end of the hydraulic block. The side wall of the stabilizing block is sealingly connected to a hydraulic conduit, and the end of the hydraulic conduit is connected to the sealing groove, and hydraulic oil is placed in the hydraulic conduit.

[0017] In one embodiment of the present application, the outer end of the hydraulic block is fixedly connected to a side slider, and both ends of the side slider are limitedly slidably arranged in the second sliding groove.

[0018] The beneficial effects of the present application are as follows: the crossbeam can be driven to move by the driving motor, and then the heat exchanger pipe can be driven to move, and the two ends of the heat exchanger pipe can be corrected at different positions. When the position of the crossbeam changes, in order to avoid the first support frame and the second support frame from tilting and being unable to be accurately corrected, the driven motor is used to drive the driven wheel to rotate, and the rotation of the driven wheel will drive the counterweight block to move in the opposite direction, thereby increasing the counterweight at the opposite position, making the overall equipment more stable and increasing the correction accuracy. The traction plate is sleeved on the designated positions at both ends of the heat exchanger pipe, and the principle of the communicating vessel is adopted, so that the two ends of the heat exchanger pipe are in a horizontal state, thereby completing the correction of the heat exchanger pipe, and being able to support the heat exchanger pipe in a horizontal state. While supporting the heat exchanger pipe, the two ends of the heat exchanger pipe can also be stably corrected. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 A schematic structural diagram of a first support frame is provided for an embodiment of the present application;

[0021] Figure 2 A schematic structural diagram of a first support frame is provided for an embodiment of the present application;

[0022] Figure 3 A schematic structural diagram of a first support frame is provided for an embodiment of the present application;

[0023] Figure 4 A structural diagram of a beam is provided for an embodiment of the present application;

[0024] Figure 5 A schematic structural diagram of a stabilizing block is provided for an embodiment of the present application;

[0025] Figure 6 A structural schematic diagram of a cross section of a stabilizing block is provided for an embodiment of the present application.

[0026] In the figure: 1. First support frame; 2. Second support frame; 3. Crossbeam; 4. Heat exchanger pipe; 5. External mounting groove; 6. External guide groove; 7. External transmission shaft; 8. Counterweight; 9. External slider; 10. Side positioning groove; 11. Belt; 12. Driven pulley; 13. Driving pulley; 14. Internal mounting groove; 15. Internal guide groove; 16. Drive motor; 17. Internal slider; 18. Transmission hole; 19. First slide groove; 20. Stabilizing block; 21. Second slide groove; 22. Sliding block; 23. Hydraulic conduit; 24. Hydraulic block; 25. Traction plate; 26. Sealing groove; 27. Side slider. DETAILED DESCRIPTION

[0027] The following embodiments of the present invention are described in detail with reference to the accompanying drawings. In the absence of conflict, the following embodiments and features in the embodiments may be combined with each other.

[0028] like Figures 1-6 As shown, a supporting device for a shell and tube heat exchanger according to an embodiment of the present application includes:

[0029] A first support frame 1, wherein a moving assembly is provided on the inner side of the top of the first support frame 1, and a counterweight assembly is provided on the outer side of the top of the first support frame 1, and the counterweight assembly is transmission-connected to the moving assembly;

[0030] The second support frame 2 has the same structure as the first support frame 1, and the second support frame 2 is arranged in a relatively coordinated manner with the first support frame 1;

[0031] The crossbeam 3 has two ends which are respectively matched with the moving components on the inner side of the first support frame 1 and the moving components on the inner side of the second support frame 2, and the bottom of the crossbeam 3 is slidingly provided with two identical correction components.

[0032] like Figure 2-Figure 4 As shown, an outer mounting groove 5 is provided on the outer side of the top of the first support frame 1, an outer guide groove 6 is provided on the inner wall of the outer mounting groove 5, an inner mounting groove 14 is provided on the inner side of the top of the first support frame 1, an inner guide groove 15 is provided on the inner wall of the inner mounting groove 14, and a side positioning groove 10 is provided on the side wall of the top of the first support frame 1, and the side positioning groove 10 is connected to the outer mounting groove 5 and the inner mounting groove 14 respectively.

[0033] like Figure 2-Figure 4As shown, the moving assembly includes a drive motor 16 and a guide shaft. The drive motor 16 is fixedly mounted on the top side wall of the first support frame 1. The output shaft of the drive motor 16 passes through the top side wall of the first support frame 1. The guide shaft is rotatably mounted in the inner mounting groove 14. One end of the guide shaft is fixedly connected to the output shaft of the drive motor 16. The other end of the guide shaft passes through the inner mounting groove 14 and is fixedly mounted with a driving wheel 13. The driving wheel 13 is rotatably mounted in the side positioning groove 10. The drive motor 16 can drive the crossbeam 3 to move, and then drive the heat exchanger pipe 4 to move, and the two ends of the heat exchanger pipe 4 can be corrected at different positions.

[0034] Furthermore, a belt 11 is sleeved on the outside of the driving wheel 13 , and the driving motor 16 drives the driving wheel 13 to rotate, and then the driving wheel 13 drives the driven wheel 12 to rotate through the belt 11 .

[0035] like Figure 2-Figure 4 As shown, the counterweight assembly includes an outer transmission shaft 7 and a counterweight block 8. Both ends of the outer transmission shaft 7 are rotatably mounted in the outer mounting groove 5. The counterweight block 8 is threadedly mounted on the outside of the outer transmission shaft 7. One side of the counterweight block 8 is fixedly connected to an outer slider 9, and the outer slider 9 is slidably mounted in the outer guide groove 6.

[0036] Furthermore, one end of the outer transmission shaft 7 passes through the outer mounting groove 5 and is fixedly mounted with a driven wheel 12 . The driven wheel 12 is rotatably mounted in the side borrowing groove 10 , and the driven wheel 12 is cooperated with the belt 11 .

[0037] Furthermore, the end of the beam 3 is slidably connected to the inner mounting groove 14, and the end of the beam 3 is fixedly connected to the inner slider 17, and the inner slider 17 is slidably connected to the inner guide groove 15. A transmission hole 18 is provided at the end of the beam 3, and the transmission hole 18 is cooperated with the guide shaft. A first slide groove 19 is provided at the bottom of the beam 3. When the position of the beam 3 changes, in order to avoid the first support frame 1 and the second support frame 2 from tilting and being unable to be accurately corrected, the driven wheel 12 is driven by the driving motor 16 to rotate. The rotation of the driven wheel 12 will drive the counterweight block 8 to move in the opposite direction, increasing the counterweight at the opposite point, making the overall equipment more stable while increasing the correction accuracy.

[0038] like Figure 2-Figure 4 As shown, the correction assembly includes a stabilizing block 20, a stabilizing block 20, a hydraulic block 24 and a traction plate 25. The top of the stabilizing block 20 is fixedly connected with a sliding block 22, and the sliding block 22 is slidably installed in the first slide groove 19. The outer end of the hydraulic block 24 is slidably installed in the stabilizing block 20, and the inner end of the hydraulic block 24 is sealed in the stabilizing block 20. The top of the traction plate 25 is fixedly connected to the top of the outer end of the hydraulic block 24, and the bottom end of the traction plate 25 is connected to the heat exchanger pipe 4. The traction plate 25 is a hard steel plate, which avoids large sliding due to its soft texture.

[0039] Furthermore, a second slide groove 21 is provided through the middle of the stabilizing block 20, and the second slide groove 21 is slidably connected to the outer end of the hydraulic block 24. A sealing groove 26 is provided on the side wall of the stabilizing block 20, and the sealing groove 26 is sealed and slidably connected to the inner end of the hydraulic block 24. The side wall of the stabilizing block 20 is sealed and connected to a hydraulic conduit 23, and the end of the hydraulic conduit 23 is connected to the sealing groove 26. Hydraulic oil is placed in the hydraulic conduit 23.

[0040] Furthermore, the outer end of the hydraulic block 24 is fixedly connected to a side slider 27, and the two ends of the side slider 27 are limitedly slidably set in the second slide groove 21, and are connected to the designated positions of the two ends of the heat exchanger pipe 4 through the traction plate 25. The principle of the communicating vessel is adopted (if the two ends of the heat exchanger pipe 4 are not in a horizontal state, the hydraulic oil in the hydraulic conduit 23 will adjust the two ends of the heat exchanger pipe 4 to a horizontal state), so that the two ends of the heat exchanger pipe 4 are in a horizontal state, thereby completing the correction of the heat exchanger pipe 4, and being able to support the heat exchanger pipe 4 in a horizontal state, which is convenient for subsequent processing operations.

[0041] The above are merely examples of the present application and are not intended to limit the scope of protection of the present application. For those skilled in the art, the present application may have various changes and variations. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present application should be included within the scope of protection of the present application. It should be noted that similar numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

Claims

1. A support device for a shell and tube heat exchanger, characterized in that: include: A first support frame (1), wherein a moving assembly is provided on the inner side of the top of the first support frame (1), and a counterweight assembly is provided on the outer side of the top of the first support frame (1), and the counterweight assembly is in transmission connection with the moving assembly; a second support frame (2), wherein the second support frame (2) has the same structure as the first support frame (1), and the second support frame (2) and the first support frame (1) are arranged in a relatively coordinated manner; A crossbeam (3), the two ends of which are respectively arranged in cooperation with the moving assembly on the inner side of the first support frame (1) and the moving assembly on the inner side of the second support frame (2), and the bottom of the crossbeam (3) is slidably provided with two identical correction assemblies.

2. A support device for a shell and tube heat exchanger according to claim 1, characterized in that: An outer mounting groove (5) is provided on the outer side of the top of the first support frame (1), an outer guide groove (6) is provided on the inner wall of the outer mounting groove (5), an inner mounting groove (14) is provided on the inner side of the top of the first support frame (1), an inner guide groove (15) is provided on the inner wall of the inner mounting groove (14), and a side positioning groove (10) is provided on the side wall of the top of the first support frame (1), and the side positioning groove (10) is connected to the outer mounting groove (5) and the inner mounting groove (14) respectively.

3. The supporting device for a shell and tube heat exchanger according to claim 2, characterized in that: The moving assembly comprises a driving motor (16) and a guide shaft, wherein the driving motor (16) is fixedly mounted on the top side wall of the first support frame (1), the output shaft of the driving motor (16) passes through the top side wall of the first support frame (1), the guide shaft is rotatably mounted in the inner mounting groove (14), one end of the guide shaft is fixedly connected to the output shaft of the driving motor (16), the other end of the guide shaft passes through the inner mounting groove (14) and is fixedly mounted with a driving wheel (13), and the driving wheel (13) is rotatably mounted in the side borrowing groove (10).

4. The supporting device for a shell and tube heat exchanger according to claim 3, characterized in that: The outer portion of the driving wheel (13) is sleeved with a belt (11).

5. The supporting device for a shell and tube heat exchanger according to claim 4, characterized in that: The counterweight assembly comprises an outer transmission shaft (7) and a counterweight block (8), both ends of the outer transmission shaft (7) are rotatably mounted in the outer mounting groove (5), the counterweight block (8) is threadedly mounted on the outside of the outer transmission shaft (7), one side of the counterweight block (8) is fixedly connected to an outer slider (9), and the outer slider (9) is slidably mounted in the outer guide groove (6).

6. The supporting device for a shell and tube heat exchanger according to claim 5, characterized in that: One end of the outer transmission shaft (7) passes through the outer mounting groove (5) and is fixedly mounted with a driven wheel (12). The driven wheel (12) is rotatably mounted in the side positioning groove (10). The driven wheel (12) is arranged in cooperation with the belt (11).

7. A support device for a shell and tube heat exchanger according to claim 6, characterized in that: The end of the crossbeam (3) is slidably connected to the inner mounting groove (14), the end of the crossbeam (3) is fixedly connected to an inner sliding block (17), the inner sliding block (17) is slidably connected to the inner guide groove (15), the end of the crossbeam (3) is provided with a transmission hole (18), the transmission hole (18) is matched with the guide shaft, and the bottom of the crossbeam (3) is provided with a first sliding groove (19).

8. The supporting device for a shell and tube heat exchanger according to claim 7, characterized in that: The correction assembly includes a stabilizing block (20), the stabilizing block (20), a hydraulic block (24) and a traction plate (25), the top of the stabilizing block (20) is fixedly connected to a sliding block (22), the sliding block (22) is slidably installed in the first slide groove (19), the outer end of the hydraulic block (24) is slidably installed in the stabilizing block (20), the inner end of the hydraulic block (24) is sealed and installed in the stabilizing block (20), the top of the traction plate (25) is fixedly connected to the top of the outer end of the hydraulic block (24), and the bottom end of the traction plate (25) is connected to the heat exchanger pipe (4).

9. The supporting device for a shell and tube heat exchanger according to claim 8, characterized in that: A second slide groove (21) is provided through the middle of the stabilizing block (20), and the second slide groove (21) is slidably connected to the outer end of the hydraulic block (24). A sealing groove (26) is provided on the side wall of the stabilizing block (20), and the sealing groove (26) is sealingly and slidably connected to the inner end of the hydraulic block (24). A hydraulic conduit (23) is sealedly connected to the side wall of the stabilizing block (20), and the end of the hydraulic conduit (23) is connected to the sealing groove (26). Hydraulic oil is placed in the hydraulic conduit (23).

10. The supporting device for a shell and tube heat exchanger according to claim 9, characterized in that: The outer end of the hydraulic block (24) is fixedly connected to a side slide block (27), and both ends of the side slide block (27) are limitedly slidably arranged in the second sliding groove (21).