Limiting and fixing device for plate-fin heat exchanger

Abstract

The limiting and fixing device for the plate-fin heat exchanger comprises a base and a left clamping sleeve, the left clamping sleeve is arranged outside the base, a right clamping sleeve is arranged outside the portion, on one side of the left clamping sleeve, of the base, a first large-headed bolt is arranged on the outer wall of the right clamping sleeve and extends to the outside of the left clamping sleeve, and a second large-headed bolt is arranged on the outer wall of the right clamping sleeve and extends to the outside of the left clamping sleeve. A left lower ball sleeve is installed at the bottom end of the left clamping sleeve, a right lower ball sleeve is installed at the position, on one side of the left lower ball sleeve, of the bottom end of the right clamping sleeve, a lower ball head is arranged between the left lower ball sleeve and the right lower ball sleeve, and the lower ball head is movably connected with the left lower ball sleeve and the right lower ball sleeve. According to the limiting and fixing device, convenient angle inclined rotation is achieved, circumferential rotation is facilitated, opposite clamping and fixing are facilitated, and the clamping and fixing convenience of the limiting and fixing device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of limiting and fixing devices, in particular to a limiting and fixing device for a plate-fin heat exchanger. Background Art

[0002] Plate-fin heat exchangers are usually composed of baffles, fins, seals, and guide vanes. Fins, guide vanes, and seals are placed between two adjacent baffles to form a sandwich, called a channel. Such sandwiches are stacked up according to different fluids and brazed into a whole to form a plate bundle. The plate bundle is the core of the plate-fin heat exchanger. The emergence of plate-fin heat exchangers has raised the heat exchange efficiency of the heat exchanger to a new level. At the same time, plate-fin heat exchangers have the advantages of small size, light weight, and the ability to handle more than two media. At present, plate-fin heat exchangers have been widely used in industries such as petroleum, chemical industry, and natural gas processing.

[0003] For example, a limiting fixing device for a plate-fin heat exchanger disclosed in the authorization announcement number CN220729016U includes a heat exchanger body, a wear-resistant and anti-corrosion layer is provided on the upper surface of the heat exchanger body, a base is fixedly installed at the bottom of the heat exchanger body, a mounting seat is provided at the bottom of the base, a mounting groove is provided on the mounting seat, a fixed groove is provided on one side of the base, a movable groove is provided on one side of the mounting groove, a compression spring is provided inside the movable groove, and a fixing pin is fixedly connected to one end of the compression spring;

[0004] Although it is achieved by providing a base at the bottom of the heat exchanger body that is movably connected to the installation groove, a fixing groove is provided on one side of the base, a fixing pin is movably connected to it, a limiting hole is provided on the fixing pin, and the limiting pin is movably connected to it, the heat exchanger body can be quickly fixed, installed and disassembled by pulling the fixing pin and the limiting pin, and the operation is convenient. At the same time, the fixed installation stability is high, which can be convenient for better work and improve its structural practicality. However, it does not solve the problem that the existing limiting fixing device is not conducive to convenient angle tilting rotation, circular rotation, and opposite clamping and fixing during use, which affects the convenience of clamping and fixing of the limiting fixing device. Utility Model Content

[0005] The purpose of the utility model is to provide a limiting fixing device for a plate-fin heat exchanger, so as to solve the problem in the above-mentioned background technology that the limiting fixing device is not convenient for angle tilting rotation, circular rotation, and opposite clamping and fixing, which affects the convenience of clamping and fixing of the limiting fixing device.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a limiting fixing device for a plate-fin heat exchanger, comprising a base and a left clamping sleeve, a left clamping sleeve is arranged on the outside of the base, a right clamping sleeve is arranged on the outside of the base on one side of the left clamping sleeve, a first big head bolt is arranged on the outer wall of the right clamping sleeve, and the first big head bolt extends to the outside of the left clamping sleeve, a left lower ball sleeve is installed at the bottom end of the left clamping sleeve, a right lower ball sleeve is installed at the bottom end of the right clamping sleeve on one side of the left lower ball sleeve, and a A lower ball head is provided, and the lower ball heads are movably connected to the lower left ball sleeve and the lower right ball sleeve, the bottom end of the lower ball head is connected to the base, the top of the left clamping sleeve is installed with the upper left ball sleeve, the top of the right clamping sleeve on one side of the upper left ball sleeve is installed with the upper right ball sleeve, and an upper ball head is provided between the upper left ball sleeve and the upper right ball sleeve, and the upper ball heads are movably connected to the upper left ball sleeve and the upper right ball sleeve, the top of the upper ball head is installed with a connecting seat, the top of the connecting seat is installed with a connecting box, and the outside of the connecting box is provided with a cross limit frame.

[0007] Preferably, a rotating shaft is movably installed inside the connection box on one side of the cross limiting frame, and the rotating shaft extends to the outside of the connection box and is connected to the cross limiting frame.

[0008] Preferably, a first handle is installed on the outer wall of the connecting box, and the first handle extends into the interior of the connecting box, a worm is provided inside the connecting box on one side of the first handle, and the first handle is connected to the worm, a worm wheel is mounted on the surface of the rotating shaft on one side of the worm, and the worm and the worm wheel are meshed with each other.

[0009] Preferably, a second handle is movably mounted on the outer wall of the cross limit frame, and the second handle extends to the inside of the cross limit frame, a bidirectional threaded rod is movably mounted inside the cross limit frame, and the second handle is connected to the bidirectional threaded rod.

[0010] Preferably, a support rod is symmetrically installed inside the cross limit frame on one side of the bidirectional threaded rod, and a first clamping claw is symmetrically arranged on the surface of the bidirectional threaded rod on one side of the support rod.

[0011] Preferably, the first clamping jaws are all installed with first threaded blocks at one end close to the bidirectional threaded rod, and the first threaded blocks are all threadedly connected to the bidirectional threaded rod, and the first clamping jaws are all slidably connected to the support rod.

[0012] Preferably, a third handle is symmetrically arranged on the side of the outer wall of the cross limit frame away from the second handle, a second threaded rod is movably installed inside the cross limit frame on the side of the third handle, and the second threaded rod extends to the outside of the cross limit frame and is connected to the third handle.

[0013] Preferably, a second clamp is provided inside the cross limit frame on one side of the second threaded rod, and the second clamp extends to the outside of the cross limit frame, and the second clamp is slidably connected to the cross limit frame, and a second thread block is installed at one end of the second clamp close to the second threaded rod, and the second thread block is threadedly connected to the second threaded rod.

[0014] Compared with the prior art, the beneficial effects of the present invention are: the position-limiting fixing device not only realizes convenient angle-inclined rotation, but also facilitates circular rotation and opposite clamping and fixing, thereby improving the convenience of clamping and fixing of the position-limiting fixing device;

[0015] (1) The first big head bolt passes through the right ferrule and enters the interior of the left ferrule. Under the active support of the lower ball head and the lower left and lower right ball sleeves, the left ferrule and the right ferrule drive the lower left and lower right ball sleeves to move on the surface of the lower ball head, so that the left ferrule and the right ferrule can be tilted and rotated at an angle. Under the active support of the upper ball head and the upper left and upper right ball sleeves, the upper ball head rotates inside the upper left and upper right ball sleeves, and the upper ball head drives the connecting seat to rotate. The connecting seat drives the connecting box and the cross limit frame to rotate as a whole, so as to facilitate the cross limit frame to rotate at an angle. When adjusted to the appropriate position, the first big head bolt is used to tighten the left and right ferrules. The threads are tightened, and the left and right ferrules drive the lower left ball sleeve and the lower right ball sleeve to fix the lower ball head, and the left and right ferrules drive the upper left ball sleeve and the upper right ball sleeve to fix the upper ball head, and the first handle drives the worm to rotate, and the worm drives the worm gear to rotate, and the worm gear drives the rotating shaft to rotate, and the rotating shaft drives the cross limit frame to rotate as a whole, so that the cross limit frame can rotate in a circular manner, so as to facilitate the cross limit frame to limit and fix the plate-fin heat exchanger, realize the convenient angle tilting rotation of the limit fixing device, facilitate the circular rotation, facilitate the limit fixing at multiple positions, and improve the rotation flexibility of the limit fixing device;

[0016] (2) The bidirectional threaded rod is rotated by the second handle, the first threaded block moves on the surface of the bidirectional threaded rod, the two groups of first threaded blocks drive the first clamps to move toward each other, and the two groups of first clamps clamp and fix the plate-fin heat exchanger in an opposite manner. The second threaded rod is rotated by the third handle, the second threaded block moves on the surface of the second threaded rod, the second threaded block drives the second clamps to move, and the two groups of second clamps clamp and fix the plate-fin heat exchanger, thereby realizing the opposite clamping and fixing of the limit fixing device, facilitating the clamping and fixing of the plate-fin heat exchanger in multiple positions, avoiding the shaking of the plate-fin heat exchanger, and improving the convenience of clamping and fixing of the limit fixing device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the three-dimensional structure of the second handle of the utility model;

[0019] Figure 3 This is a front view structural schematic diagram of the utility model;

[0020] Figure 4 It is a rear view structural schematic diagram of the utility model;

[0021] Figure 5 It is a rear cross-sectional structural schematic diagram of the worm gear of the utility model;

[0022] Figure 6 It is a side structural schematic diagram of the utility model.

[0023] In the figure: 1. base; 2. left ferrule; 3. right ferrule; 4. lower ball head; 5. upper ball head; 6. connecting seat; 7. connecting box; 8. cross limit frame; 9. lower left ball sleeve; 10. lower right ball sleeve; 11. upper left ball sleeve; 12. upper right ball sleeve; 13. first big head bolt; 14. first handle; 15. rotating shaft; 16. worm; 17. worm gear; 18. second handle; 19. bidirectional threaded rod; 20. first threaded block; 21. first clamping jaw; 22. third handle; 23. second threaded rod; 24. second threaded block; 25. second clamping jaw; 26. support rod. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-6The utility model provides an embodiment: a limiting fixing device for a plate-fin heat exchanger, comprising a base 1 and a left ferrule 2, a left ferrule 2 is arranged on the outside of the base 1, a right ferrule 3 is arranged on the outside of the base 1 on one side of the left ferrule 2, a first big head bolt 13 is arranged on the outer wall of the right ferrule 3, and the first big head bolt 13 extends to the outside of the left ferrule 2, a left lower ball sleeve 9 is installed at the bottom end of the left ferrule 2, a right lower ball sleeve 10 is installed at the bottom end of the right ferrule 3 on one side of the left lower ball sleeve 9, and a lower ball head 4 is arranged between the left lower ball sleeve 9 and the right lower ball sleeve 10, and the lower ball head 4 is movably connected with the left lower ball sleeve 9 and the right lower ball sleeve 10, the bottom end of the lower ball head 4 is connected to the base 1, a left upper ball sleeve 11 is installed on the top of the left ferrule 2, and a right upper ball sleeve 12 is installed on the top of the right ferrule 3 on one side of the left upper ball sleeve 11, An upper ball head 5 is provided between the upper left ball sleeve 11 and the upper right ball sleeve 12, and the upper ball head 5 is movably connected to the upper left ball sleeve 11 and the upper right ball sleeve 12. A connecting seat 6 is installed at the top of the upper ball head 5, and a connecting box 7 is installed at the top of the connecting seat 6. A cross limit frame 8 is provided on the outside of the connecting box 7. A rotating shaft 15 is movably installed inside the connecting box 7 on one side of the cross limit frame 8, and the rotating shaft 15 extends to the outside of the connecting box 7 and is connected to the cross limit frame 8. A first handle 14 is installed on the outer wall of the connecting box 7, and the first handle 14 extends to the inside of the connecting box 7. A worm 16 is provided inside the connecting box 7 on one side of the first handle 14, and the first handle 14 is connected to the worm 16. A worm wheel 17 is sleeved on the surface of the rotating shaft 15 on one side of the worm 16, and the worm 16 and the worm wheel 17 are meshed with each other.

[0026] When in use, an external power supply is used. First, the first big head bolt 13 is inserted into the interior of the right ferrule 3 and the first big head bolt 13 is rotated. The first big head bolt 13 passes through the right ferrule 3 and enters the interior of the left ferrule 2. Under the active support of the lower ball head 4 and the lower left ball sleeve 9 and the lower right ball sleeve 10, the left ferrule 2 and the right ferrule 3 drive the lower left ball sleeve 9 and the lower right ball sleeve 10 to move on the surface of the lower ball head 4, so that the left ferrule 2 and the right ferrule 3 can be tilted and rotated at an angle. Under the active support of the upper ball head 5 and the upper left ball sleeve 11 and the upper right ball sleeve 12, the upper ball head 5 rotates inside the upper left ball sleeve 11 and the upper right ball sleeve 12, and the upper ball head 5 drives the connecting seat 6 to rotate. The connecting seat 6 drives the connecting box 7 and the cross limit frame 8 to rotate as a whole to facilitate the cross limit frame 8 to perform angular tilt and rotation. After adjusting to the appropriate position, under the threaded support of the first big head bolt 13 and the left ferrule 2, the first big head bolt 13 is used to tighten the left ferrule 2 and the right ferrule 3, and the left ferrule 2 and the right ferrule 3 drive the left lower ball sleeve 9 and the right lower ball sleeve 10 to fix the lower ball head 4, and the left ferrule 2 and the right ferrule 3 drive the left upper ball sleeve 11 and the right upper ball sleeve 12 to fix the upper ball head 5. By operating the first handle 14 to rotate, under the support of the connection box 7, the first handle 14 drives the worm 16 to rotate, and under the meshing action of the worm 16 and the worm wheel 17, the worm 16 drives the worm wheel 17 to rotate, and the worm wheel 17 drives the rotating shaft 15 to rotate, and the rotating shaft 15 drives the cross limit frame 8 to rotate as a whole, so that the cross limit frame 8 can rotate in a circular manner, so as to facilitate the cross limit frame 8 to limit and fix the plate-fin heat exchanger, realize the convenient angle tilting rotation of the limit fixing device, facilitate the circular rotation, facilitate the limit fixing at multiple positions, and improve the rotation flexibility of the limit fixing device;

[0027] A second handle 18 is movably mounted on the outer wall of the cross limit frame 8, and the second handle 18 extends to the inside of the cross limit frame 8, a bidirectional threaded rod 19 is movably mounted inside the cross limit frame 8, and the second handle 18 is connected to the bidirectional threaded rod 19, a support rod 26 is symmetrically mounted inside the cross limit frame 8 on one side of the bidirectional threaded rod 19, a first clamping jaw 21 is symmetrically arranged on the surface of the bidirectional threaded rod 19 on one side of the support rod 26, a first threaded block 20 is mounted on one end of the first clamping jaw 21 close to the bidirectional threaded rod 19, and the first threaded block 20 is threadedly connected to the bidirectional threaded rod 19, and the first clamping jaw 21 is slidably connected to the support rod 26, the cross A third handle 22 is symmetrically arranged on one side of the outer wall of the limiting frame 8 away from the second handle 18, a second threaded rod 23 is movably installed inside the cross limiting frame 8 on one side of the third handle 22, and the second threaded rod 23 is extended to the outside of the cross limiting frame 8 and connected to the third handle 22, a second clamping jaw 25 is arranged inside the cross limiting frame 8 on one side of the second threaded rod 23, and the second clamping jaw 25 is extended to the outside of the cross limiting frame 8, and the second clamping jaw 25 is slidably connected to the cross limiting frame 8, and a second threaded block 24 is installed on one end of the second clamping jaw 25 close to the second threaded rod 23, and the second threaded block 24 is threadedly connected to the second threaded rod 23;

[0028] When in use, the plate-fin heat exchanger is placed inside the cross limit frame 8, and the second handle 18 is operated to rotate. Under the support of the cross limit frame 8, the second handle 18 drives the bidirectional threaded rod 19 to rotate. Under the thread support of the bidirectional threaded rod 19 and the first threaded block 20, the first threaded block 20 moves on the surface of the bidirectional threaded rod 19. Under the sliding support of the first clamping jaws 21 and the support rod 26, the two groups of first threaded blocks 20 drive the first clamping jaws 21 to move toward each other, and the two groups of first clamping jaws 21 perform opposite centering clamping and fixing on the plate-fin heat exchanger. By operating and rotating the two groups of third handles 22, the cross With the support of the limit frame 8, the third handle 22 drives the second threaded rod 23 to rotate, and with the threaded support of the second threaded rod 23 and the second threaded block 24, the second threaded block 24 moves on the surface of the second threaded rod 23, and with the sliding support of the second clamping jaw 25 and the cross limit frame 8, the second threaded block 24 drives the second clamping jaw 25 to move, and the two groups of second clamping jaws 25 clamp and fix the plate-fin heat exchanger, realizing the opposite clamping and fixing of the limit fixing device, facilitating the clamping and fixing of the plate-fin heat exchanger at multiple positions, avoiding the shaking of the plate-fin heat exchanger, and improving the convenience of clamping and fixing of the limit fixing device.

[0029] Working principle: When in use, the external power supply first enters the interior of the left ferrule 2 through the first big head bolt 13 through the right ferrule 3, and under the active support of the lower ball head 4 and the lower left ball sleeve 9 and the lower right ball sleeve 10, the left ferrule 2 and the right ferrule 3 drive the lower left ball sleeve 9 and the lower right ball sleeve 10 to move on the surface of the lower ball head 4, so that the left ferrule 2 and the right ferrule 3 can be tilted and rotated at an angle, and under the active support of the upper ball head 5 and the upper left ball sleeve 11 and the upper right ball sleeve 12, the upper ball head 5 moves between the upper left ball sleeve 11 and the upper right ball sleeve 12. The internal rotation of the sleeve 12 drives the connection seat 6 to rotate by the upper ball head 5, and the connection seat 6 drives the connection box 7 and the cross limit frame 8 to rotate as a whole, so as to facilitate the cross limit frame 8 to rotate at an angle. When adjusted to a suitable position, the left clamping sleeve 2 and the right clamping sleeve 3 are threadedly tightened by the first big head bolt 13, and the left clamping sleeve 2 and the right clamping sleeve 3 drive the lower left ball sleeve 9 and the lower right ball sleeve 10 to fix the lower ball head 4, and the left clamping sleeve 2 and the right clamping sleeve 3 drive the upper left ball sleeve 11 and the upper right ball sleeve 12 to fix the upper ball head 5. The first handle 14 drives the worm 16 to rotate, the worm 16 drives the worm wheel 17 to rotate, the worm wheel 17 drives the rotating shaft 15 to rotate, and the rotating shaft 15 drives the cross limit frame 8 to rotate as a whole, so that the cross limit frame 8 can rotate in a circular manner, so as to facilitate the cross limit frame 8 to limit and fix the plate-fin heat exchanger. Then, the plate-fin heat exchanger is placed inside the cross limit frame 8, and the second handle 18 is operated to rotate. The second handle 18 drives the bidirectional threaded rod 19 to rotate, and the first threaded rod 19 is rotated. The block 20 moves on the surface of the bidirectional threaded rod 19, and the two groups of first threaded blocks 20 drive the first clamping jaws 21 to move toward each other, and the two groups of first clamping jaws 21 clamp and fix the plate-fin heat exchanger in a mutually centered manner, and the third handle 22 drives the second threaded rod 23 to rotate, and the second threaded block 24 moves on the surface of the second threaded rod 23, and the second threaded block 24 drives the second clamping jaw 25 to move, and the two groups of second clamping jaws 25 clamp and fix the plate-fin heat exchanger to complete the use of the limit fixing device.

Claims

1. A limiting fixing device for a plate-fin heat exchanger, comprising a base (1) and a left clamp (2), characterized in that: A left clamping sleeve (2) is arranged on the outside of the base (1), a right clamping sleeve (3) is arranged on the outside of the base (1) on one side of the left clamping sleeve (2), a first big head bolt (13) is arranged on the outer wall of the right clamping sleeve (3), and the first big head bolt (13) extends to the outside of the left clamping sleeve (2), a left lower ball sleeve (9) is installed at the bottom end of the left clamping sleeve (2), a right lower ball sleeve (10) is installed at the bottom end of the right clamping sleeve (3) on one side of the left lower ball sleeve (9), and a lower ball head (4) is arranged between the left lower ball sleeve (9) and the right lower ball sleeve (10), and the lower ball head (4) is movably connected to the left lower ball sleeve (9) and the right lower ball sleeve (10). The lower end of the lower ball head (4) is connected to the base (1), the top of the left sleeve (2) is installed with an upper left ball sleeve (11), the top of the right sleeve (3) on one side of the upper left ball sleeve (11) is installed with an upper right ball sleeve (12), and an upper ball head (5) is arranged between the upper left ball sleeve (11) and the upper right ball sleeve (12), and the upper ball head (5) is movably connected with the upper left ball sleeve (11) and the upper right ball sleeve (12), the top of the upper ball head (5) is installed with a connecting seat (6), the top of the connecting seat (6) is installed with a connecting box (7), and the outside of the connecting box (7) is provided with a cross limit frame (8).

2. A limiting and fixing device for a plate-fin heat exchanger according to claim 1, characterized in that: A rotating shaft (15) is movably installed inside the connection box (7) on one side of the cross limiting frame (8), and the rotating shaft (15) extends to the outside of the connection box (7) and is connected to the cross limiting frame (8).

3. A limiting and fixing device for a plate-fin heat exchanger according to claim 2, characterized in that: A first handle (14) is installed on the outer wall of the connection box (7), and the first handle (14) extends into the interior of the connection box (7); a worm (16) is arranged inside the connection box (7) on one side of the first handle (14), and the first handle (14) is connected to the worm (16); a worm wheel (17) is mounted on the surface of a rotating shaft (15) on one side of the worm (16), and the worm (16) and the worm wheel (17) are meshed with each other.

4. The limiting and fixing device for a plate-fin heat exchanger according to claim 1, characterized in that: A second handle (18) is movably mounted on the outer wall of the cross limit frame (8), and the second handle (18) extends into the interior of the cross limit frame (8). A bidirectional threaded rod (19) is movably mounted inside the cross limit frame (8), and the second handle (18) is connected to the bidirectional threaded rod (19).

5. A limiting and fixing device for a plate-fin heat exchanger according to claim 4, characterized in that: A support rod (26) is symmetrically installed inside the cross limit frame (8) on one side of the bidirectional threaded rod (19), and a first clamping claw (21) is symmetrically arranged on the surface of the bidirectional threaded rod (19) on one side of the support rod (26).

6. A limiting and fixing device for a plate-fin heat exchanger according to claim 5, characterized in that: The first clamping jaws (21) are all installed with a first threaded block (20) at one end close to the bidirectional threaded rod (19), and the first threaded block (20) is threadedly connected to the bidirectional threaded rod (19), and the first clamping jaws (21) are all slidably connected to the support rod (26).

7. A limiting and fixing device for a plate-fin heat exchanger according to claim 4, characterized in that: A third handle (22) is symmetrically arranged on one side of the outer wall of the cross limit frame (8) away from the second handle (18), and a second threaded rod (23) is movably installed inside the cross limit frame (8) on one side of the third handle (22), and the second threaded rod (23) extends to the outside of the cross limit frame (8) and is connected to the third handle (22).

8. A limiting and fixing device for a plate-fin heat exchanger according to claim 7, characterized in that: A second clamping jaw (25) is arranged inside the cross limit frame (8) on one side of the second threaded rod (23), and the second clamping jaw (25) extends to the outside of the cross limit frame (8), and the second clamping jaw (25) is slidably connected to the cross limit frame (8), and a second threaded block (24) is installed at one end of the second clamping jaw (25) close to the second threaded rod (23), and the second threaded block (24) is threadedly connected to the second threaded rod (23).

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