Quick dismounting equipment for heat exchange fins of heat exchanger

Abstract

This utility model relates to the field of rapid heat exchanger fin assembly and disassembly technology, and discloses a rapid heat exchanger fin assembly and disassembly device. It aims to solve the technical problem that existing heat exchangers are inconvenient to disassemble for maintenance or replacement, as the fixing rods cannot be easily removed, thus affecting maintenance efficiency, increasing equipment downtime, and causing economic losses. This utility model includes a base plate and a top plate; a first fixing rod and a second fixing rod are respectively provided on the opposite surfaces of the base plate and the top plate. Guide grooves are provided at one end of the base plate and the top plate corresponding to both ends of the first fixing rod. A symmetrical fan-shaped slot is provided inside the first fixing rod, and a rotating shaft is rotatably connected within the guide groove. This utility model allows for unlocking and locking of the fixing rods without the need for wrenches, screwdrivers, or other tools. Through mechanical linkage, a three-step operation of "pressing-rotating-moving" is achieved, shortening the assembly and disassembly time and significantly reducing equipment downtime and economic losses during emergency maintenance.

Description

Technical Field

[0001] This utility model relates to the field of rapid disassembly and assembly technology of heat exchanger fins, specifically a device for rapid disassembly and assembly of heat exchanger fins. Background Technology

[0002] A heat exchanger is a highly efficient heat exchange device that uses metal plates as heat transfer surfaces to transfer heat from one fluid to another. It features high heat transfer efficiency, compact structure, small footprint, and easy cleaning. A heat exchanger consists of a series of stacked plates clamped between metal plates, forming tiny flow channels that allow indirect contact between the two fluids. The plates are typically made of stainless steel, titanium alloy, or other corrosion-resistant materials to adapt to different working conditions. Due to its unique fluid path design, the heat exchanger achieves highly efficient heat exchange. Compared to traditional shell-and-tube heat exchangers, heat exchangers with the same heat transfer area have a more compact structure, resulting in a significantly reduced footprint and volume. In short, heat exchangers are widely used in various heat exchange applications in industry and daily life, and are one of the important devices for improving energy efficiency.

[0003] Existing heat exchangers typically use two fixing rods to limit the position of the heat exchange plates during operation, ensuring their stability and efficient heat exchange. However, this process becomes inconvenient when disassembling, maintaining, or replacing the heat exchange plates. Most existing fixing rods are secured with bolts. While this design provides sufficient stability in daily use, it presents inconvenience in certain situations. Users without suitable tools, such as during emergency repairs, cannot easily disassemble the fixing rods, thus affecting maintenance efficiency, increasing equipment downtime, and causing economic losses.

[0004] In view of this, the present invention solves the above-mentioned technical problems by proposing a device for quick disassembly and assembly of heat exchanger plates. Utility Model Content

[0005] To address the shortcomings of the aforementioned background technology, this utility model provides a technical solution for a rapid disassembly and assembly device for heat exchanger fins. Firstly, through a double-conical positioning structure consisting of a first conical block and a first positioning hole, and a second conical block and a second positioning hole, combined with the pressing and rotating operation of a button and a sleeve, the first fixing rod can be unlocked and locked without tools such as wrenches or screwdrivers. This achieves a three-step operation of "press-rotate-move upward" through mechanical linkage, shortening disassembly and assembly time and significantly reducing equipment downtime and economic losses during emergency maintenance. Secondly, the cooperation between the locking plate and the fan-shaped slot of the first fixing rod forms a circumferential limit... The first conical block and the first positioning hole are interference-fitted to provide axial self-locking force. At the same time, the second conical block of the sleeve is inserted into the second positioning hole of the bottom plate / top plate to form a double lock. By utilizing the self-locking principle of the conical surface, the fixing force increases with the increase of working pressure, which prevents the first fixing rod from accidentally loosening. This is especially suitable for high-pressure heat exchange scenarios. Finally, the auxiliary plate is connected to the limiting groove through the second compression spring. Its inclined surface and anti-slip layer automatically stick to the side of the heat exchange plate when the first fixing rod is unlocked and moved upward, forming a lateral clamping force. Thus, through the elastic clamping of the auxiliary plate, the lateral limit is maintained after the top pressure is removed, reducing the risk of damage.

[0006] This utility model provides the following technical solution: a quick assembly and disassembly device for heat exchanger plates, comprising multiple heat exchanger plates arranged side by side, wherein each heat exchanger plate is a single plate welded together by multiple weld points to form a double-sided raised structure, with a corrugated wide-channel inner channel between the two single plates and an outer channel between adjacent heat exchanger plates; it also includes a bottom plate and a top plate; the opposite surfaces of the bottom plate and the top plate are respectively provided with a first fixing rod and a second fixing rod, and one end of the bottom plate and the top plate is provided with guide grooves corresponding to both ends of the first fixing rod, and the interior of the first fixing rod is provided with... The card slot has a symmetrical fan-shaped structure. A rotating shaft is rotatably connected inside the guide groove. One end of the shaft is fixedly connected to a card plate that fits into the card slot. Two first conical blocks are fixedly connected to the end of the card plate. A first positioning hole adapted to the first conical block is opened in the inner cavity of the first fixing rod. A button is fixedly connected to the other end of the rotating shaft. A sleeve is slidably fitted on the surface of the button. A first compression spring is provided between the sleeve and the button. Two second conical blocks are fixedly connected to the end of the sleeve. The bottom plate and the top plate are respectively opened with second positioning holes adapted to the second conical blocks.

[0007] As a preferred embodiment of this utility model, the inner cavity of the first fixing rod is connected to a pressure plate via a return spring, and the two ends of the return spring are respectively fixed to the inner wall of the first fixing rod and one end of the pressure plate.

[0008] As a preferred technical solution of this utility model, a limiting groove is formed on the opposite surfaces of the bottom plate and the top plate, and an auxiliary plate is slidably connected to the inner cavity of the limiting groove. The auxiliary plate and the limiting groove are connected by a second compression spring, and an inclined surface is formed on one side of the auxiliary plate and an anti-slip layer is fixedly connected thereto.

[0009] As a preferred technical solution of this utility model, the diameters of the first positioning hole and the second positioning hole are adapted to the end diameters of the first conical block and the second conical block.

[0010] As a preferred embodiment of this utility model, the second fixing rod is connected to the bottom plate and the top plate by bolts, the bottom plate and the top plate are connected by bolts, and four connecting sleeves are fixedly connected to the top of the top plate, and each connecting sleeve has an internal thread in its inner cavity.

[0011] As a preferred technical solution of this utility model, a plurality of heat exchange plates are provided between the first fixing rod and the second fixing rod, and each heat exchange plate has a through hole at one end for fitting the connecting sleeve.

[0012] In a preferred embodiment of this invention, the anti-slip layer is a rubber anti-slip layer, and the auxiliary plate is an aluminum alloy auxiliary plate.

[0013] As a preferred embodiment of this utility model, the surface of the sleeve is provided with anti-slip texture, and the anti-slip texture is a concave structure.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. This utility model uses a double conical positioning structure with a first conical block and a first positioning hole, and a second conical block and a second positioning hole. Combined with the pressing and rotating operation of the button and the sleeve, the first fixing rod can be unlocked and locked without tools such as wrenches and screwdrivers. Thus, the three-step operation of "pressing-rotating-moving" is realized through mechanical linkage, which shortens the disassembly and assembly time. In emergency maintenance, it can greatly reduce equipment downtime and reduce economic losses.

[0016] 2. The card plate of this utility model cooperates with the fan-shaped slot of the first fixing rod to form a circumferential limit; the first conical block and the conical surface of the first positioning hole are interference fit to provide axial self-locking force, and at the same time the second conical block of the sleeve is inserted into the second positioning hole of the bottom plate / top plate to form a double lock. Thus, by utilizing the conical self-locking principle, the fixing force increases with the increase of working pressure, avoiding the first fixing rod from accidentally loosening, which is especially suitable for high-pressure heat exchange scenarios.

[0017] 3. The auxiliary plate of this utility model is connected to the limiting groove through the second compression spring. When the first fixing rod is unlocked and moved upward, its inclined surface and anti-slip layer automatically stick to the side of the heat exchange plate, forming a lateral clamping force. Thus, through the elastic clamping of the auxiliary plate, the lateral limiting is maintained after the top pressure is removed, reducing the risk of damage.

[0018] 4. The system resistance of this application will not increase. Dust will not accumulate during operation. The power consumption of the induced draft fan will not increase. The heat exchange efficiency is 2.5-3 times that of a tubular system. The ND steel enamel plating will not corrode. The operational performance will not change within 5 years. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of Example 2;

[0020] Figure 2 This is a schematic diagram of the structure of Example 1;

[0021] Figure 3 This is a cross-sectional view of the present invention;

[0022] Figure 4 This is a schematic diagram of the auxiliary plate structure of this utility model;

[0023] Figure 5 This is a partially enlarged view of the present invention;

[0024] Figure 6 This is a schematic diagram of the locking pin structure of this utility model;

[0025] Figure 7 This is a schematic diagram of the guide groove structure of this utility model;

[0026] Figure 8 This is a schematic diagram of the card slot structure of this utility model.

[0027] Figure 9 This is a schematic diagram of the heat exchanger structure of this utility model.

[0028] In the diagram: 1. Base plate; 101. Top plate; 2. First fixing rod; 201. Second fixing rod; 202. Guide groove; 203. Slot; 204. Rotating shaft; 205. Clamping plate; 206. First conical block; 207. First positioning hole; 208. Button; 209. Sleeve; 2010. First compression spring; 2011. Second conical block; 2012. Second positioning hole; 3. Return spring; 301. Pressure plate; 4. Limiting groove; 401. Auxiliary plate; 402. Second compression spring; 403. Inclined surface; 404. Anti-slip layer; 5. Connecting sleeve; 6. Heat exchange fins. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model. Example 1

[0030] Please see Figure 2-9 As shown, a quick-assembly and disassembly device for heat exchanger plates includes multiple heat exchanger plates arranged side by side. Each heat exchanger plate is a single plate welded together by multiple weld points to form a double-sided raised structure. A corrugated wide-channel inner channel is formed between the two single plates, and an outer channel is formed between adjacent heat exchanger plates. The device also includes a bottom plate 1 and a top plate 101. The opposite surfaces of the bottom plate 1 and the top plate 101 are respectively provided with a first fixing rod 2 and a second fixing rod 201. One end of the bottom plate 1 and the top plate 101 has a guide groove 202 corresponding to both ends of the first fixing rod 2. The first fixing rod 2 has a symmetrical fan-shaped slot 203 inside, and a rotating connection is formed within the guide groove 202. A rotating shaft 204 is connected to a card plate 205 that fits into a slot 203 at one end. Two first conical blocks 206 are fixedly connected to the end of the card plate 205. A first positioning hole 207 adapted to the first conical block 206 is opened in the inner cavity of the first fixing rod 2. A button 208 is fixedly connected to the other end of the rotating shaft 204. A sleeve 209 is slidably sleeved on the surface of the button 208. A first compression spring 2010 is provided between the sleeve 209 and the button 208. Two second conical blocks 2011 are fixedly connected to the end of the sleeve 209. A second positioning hole 2012 adapted to the second conical block 2011 is opened on the bottom plate 1 and the top plate 101 respectively.

[0031] The inner cavity of the first fixed rod 2 is connected to the pressure plate 301 through the return spring 3. The two ends of the return spring 3 are respectively fixed to the inner wall of the first fixed rod 2 and one end of the pressure plate 301.

[0032] A limiting groove 4 is provided on the opposite surfaces of the bottom plate 1 and the top plate 101. An auxiliary plate 401 is slidably connected to the inner cavity of the limiting groove 4. The auxiliary plate 401 and the limiting groove 4 are connected by a second compression spring 402. An inclined surface 403 is provided on one side of the auxiliary plate 401 and an anti-slip layer 404 is fixedly connected thereto.

[0033] The diameters of the first positioning hole 207 and the second positioning hole 2012 are adapted to the end diameters of the first conical block 206 and the second conical block 2011;

[0034] The second fixing rod 201 is connected to the bottom plate 1 and the top plate 101 by bolts. The bottom plate 1 and the top plate 101 are connected by bolts. Four connecting sleeves 5 are fixedly connected to the top of the top plate 101. Each connecting sleeve 5 has an internal thread in its inner cavity.

[0035] The connecting sleeve 5 serves as the medium inlet and outlet, and is connected to the external pipe by threads to ensure unobstructed circulation of hot and cold fluids inside the heat exchange plate 6.

[0036] Example:

[0037] Cold water flows in from one end of the connecting sleeve 5, exchanges heat with the hot fluid on the other side through the heat exchange plate 6 channel, and then flows out from the other end of the connecting sleeve 5.

[0038] Multiple heat exchange plates 6 are provided between the first fixing rod 2 and the second fixing rod 201, and each heat exchange plate 6 has a through hole at one end that is adapted to the connecting sleeve 5;

[0039] The connecting sleeve 5 fits into the through hole of the heat exchange plate 6 to ensure that the multiple heat exchange plates 6 are precisely aligned during installation, thus avoiding fluid short circuits or local overheating.

[0040] The anti-slip layer 404 is a rubber anti-slip layer, and the auxiliary plate 401 is an aluminum alloy auxiliary plate;

[0041] The rubber anti-slip layer can prevent damage to the surface of the heat exchanger fins 6 during clamping;

[0042] Aluminum alloy auxiliary plates are lightweight and wear-resistant;

[0043] The surface of the sleeve 209 is provided with anti-slip texture, which is a concave structure.

[0044] Overall fixing and unlocking mechanism

[0045] Initial fixed state

[0046] The base plate 1 and the top plate 101 are connected by bolts to form a frame structure. The first fixing rod 2 and the second fixing rod 201 are respectively fixed to the opposite surfaces of the base plate and the top plate, clamping the heat exchange plate 6 between them. At this time, the first conical block 206 on the clamping plate 205 is inserted into the first positioning hole 207 of the first fixing rod 2, and the second conical block 2011 of the sleeve 209 is inserted into the second positioning hole 2012 of the base plate 1 and the top plate 101. The position of the first fixing rod 2 is locked by the double conical positioning structure, ensuring that the heat exchange plate 6 is stably pressed.

[0047] Unlock operation

[0048] Pressing button 208 causes sleeve 209 to slide upward against the elastic force of first compression spring 2010, and second cone block 2011 disengages from second positioning hole 2012;

[0049] Press button 208 and overcome the clamping force of reset spring 3. Then rotate button 208 to drive rotating shaft 204 and clamping plate 205 to rotate, so that first conical block 206 disengages from first positioning hole 207 and clamping block 205 is pulled out. At this time, first fixing rod 2 is unlocked and can be moved upward to remove first fixing rod 2. Then loosen and remove heat exchange plate 6.

[0050] After the first fixing rod 2 is fixed, it can cooperate with the second fixing rod 201 to form an upper and lower clamping force. The cooperation between the fan-shaped slot 203 and the plate 205 prevents the first fixing rod 2 from shifting.

[0051] When the first fixing rod 2 is unlocked and moved upward, the auxiliary plate 401, under the action of the second compression spring 402, closely adheres to the side of the heat exchange plate 6 through the inclined surface 403. The rubber anti-slip layer 404 provides lateral clamping force, forming a limit and preventing it from tipping over due to gravity.

[0052] Adaptive clamping of auxiliary plate

[0053] When installing heat exchange fins

[0054] When the heat exchange plate 6 is inserted between the first fixing rod 2 and the second fixing rod 201, its edge presses against the inclined surface 403 of the auxiliary plate 401, and the auxiliary plate 401 compresses the second compression spring 402 inward along the limiting groove 4; when the heat exchange plate is in place, the second compression spring 402 pushes the auxiliary plate 401 to reset, and the anti-slip layer 404 is in close contact with the side of the heat exchange plate 6 to prevent it from swaying left and right.

[0055] When disassembling heat exchanger fins

[0056] After the first fixing rod 2 moves upward and unlocks, the auxiliary plate 401 continues to clamp the side of the heat exchange plate 6 to prevent it from tipping over due to the loss of top pressure.

[0057] Synergistic effect of key components

[0058] Conical block positioning: The conical surfaces of the first conical block 206 and the first positioning hole 207, and the second conical block 2011 and the second positioning hole 2012 provide a self-locking function to prevent the rotating shaft 204 and the first fixing rod 2 from being accidentally loosened;

[0059] Spring elasticity: The first spring 2010 ensures that the sleeve 209 automatically resets and maintains the positioning reliability of the second conical block 2011; the second spring 402 enables the auxiliary plate 401 to adaptively clamp heat exchange fins 6 of different thicknesses.

[0060] Anti-slip structure: The concave anti-slip texture on the surface of the sleeve 209 facilitates the operation of the button 208, and the rubber anti-slip layer of the auxiliary plate 401 enhances the lateral friction and prevents the heat exchange fins from slipping.

[0061] Work process summary

[0062] Install:

[0063] Place heat exchange plate 6 → Press down the first fixing rod 2 → Rotate button 208 to insert the first conical block 206 into the first positioning hole 207 → Release sleeve 209, insert the second conical block 2011 into the second positioning hole 2012 to align with the rotating shaft 204 → Auxiliary plate 401 clamps the side of heat exchange plate 6 through the second compression spring 402.

[0064] Disassembly:

[0065] Pull the sleeve 208 and press the button 208. The first conical block 206 disengages from the first positioning hole 207 and the second conical block 2011 disengages from the second positioning hole 2012. Rotate the button 206 to pull out the clamping plate 205. Move the first fixing rod 2 upward. The auxiliary plate 401 holds the clamping plate and remove the heat exchange plate 6. Example 2

[0066] The principle of this example is the same as that of Example 1, the specific difference being that, Figure 1 As shown, the heat exchange plate in this example is a pillow-type heat exchange plate, which includes multiple heat exchange plates arranged side by side. Each heat exchange plate is a single plate that is welded together by multiple welding points to form a double-sided raised structure. There is a corrugated wide-channel inner channel between the two single plates, and an outer channel is formed between adjacent heat exchange plates.

[0067] It should be noted that, in this document, 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 those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Additionally, in the accompanying drawings of this utility model, the fill patterns are merely for distinguishing layers and do not constitute any other limitation.

[0068] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A device for quickly disassembling and assembling heat exchanger fins, characterized in that: The device includes multiple heat exchange plates arranged side by side. Each heat exchange plate is a single plate welded together by multiple weld points to form a double-sided raised structure. A corrugated wide-flow channel forms an inner channel between the two single plates, and an outer channel forms between adjacent heat exchange plates. It also includes a bottom plate and a top plate. The opposite surfaces of the bottom plate and top plate are respectively provided with a first fixing rod and a second fixing rod. One end of the bottom plate and top plate has guide grooves corresponding to both ends of the first fixing rod. The first fixing rod has a symmetrical fan-shaped slot inside. A rotating shaft is rotatably connected within the guide groove. One end of the rotating shaft is fixedly connected to a clamping plate that fits into the slot. Two first conical blocks are fixedly connected to the end of the clamping plate. A first positioning hole adapted to the first conical block is opened in the inner cavity of the first fixing rod. A button is fixedly connected to the other end of the rotating shaft. A sleeve is slidably fitted onto the surface of the button. A first compression spring is provided between the sleeve and the button. Two second conical blocks are fixedly connected to the end of the sleeve. The bottom plate and top plate have corresponding second positioning holes adapted to the second conical blocks.

2. The quick assembly and disassembly device for heat exchanger plates according to claim 1, characterized in that: The inner cavity of the first fixed rod is connected to a pressure plate via a return spring, and the two ends of the return spring are respectively fixed to the inner wall of the first fixed rod and one end of the pressure plate.

3. The quick assembly and disassembly device for heat exchanger plates according to claim 1, characterized in that: The bottom plate and the top plate have a limiting groove on their opposite surfaces. An auxiliary plate is slidably connected to the inner cavity of the limiting groove. The auxiliary plate and the limiting groove are connected by a second compression spring. An inclined surface is provided on one side of the auxiliary plate and an anti-slip layer is fixedly connected thereto.

4. The quick assembly and disassembly device for heat exchanger plates according to claim 1, characterized in that: The diameters of the first positioning hole and the second positioning hole are adapted to the end diameters of the first conical block and the second conical block.

5. The quick assembly and disassembly device for heat exchanger plates according to claim 1, characterized in that: The second fixing rod is connected to the bottom plate and the top plate by bolts. Four connecting sleeves are fixedly connected to the top of the top plate, and each connecting sleeve has an internal thread in its inner cavity.

6. The quick assembly and disassembly device for heat exchanger plates according to claim 1, characterized in that: Multiple heat exchange plates are provided between the first fixing rod and the second fixing rod, and each heat exchange plate has a through hole at one end that is adapted to the connecting sleeve.

7. A quick-release device for heat exchanger plates according to claim 3, characterized in that: The anti-slip layer is a rubber anti-slip layer, and the auxiliary plate is an aluminum alloy auxiliary plate.

8. The quick assembly and disassembly device for heat exchanger plates according to claim 1, characterized in that: The surface of the sleeve is provided with anti-slip texture, which is a concave structure.

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