Plate pair fixing device

Abstract

The utility model discloses a plate pair fixing device, which relates to the technical field of heat pump unit installation and comprises a plurality of corrugated plates and a plate pair fixing piece, the plate pair fixing piece is composed of a trunk in the middle and branches on two sides, and the plate pair fixing piece is used for installing and fixing each corrugated plate. A plurality of fixing grooves are formed in the plate pair fixing piece and used for inserting the corrugated plate, hoisting holes are formed in the four corners of the branch, limiting holes are formed between the adjacent fixing grooves, and a first limiting assembly and a second limiting assembly are arranged in the limiting holes in a matched mode and used for locking the corrugated plate to avoid displacement. According to the utility model, the plate pair fixing pieces are arranged, so that the pre-fixation of a plurality of groups of plate pairs before being welded with the header pipe is realized, the convenience of installation is improved, and meanwhile, the welding quality and the welding stability are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of heat exchange equipment, in particular to a plate pair fixing device. Background Art

[0002] As a crucial component of heat exchange equipment, heat exchange modules are widely used in heat exchangers such as plate heat exchangers, absorption heat pumps, cooling water heat recovery units, and high-temperature differential units. They efficiently transfer heat and achieve energy exchange between hot and cold fluids. Heat exchange modules are typically assembled from several sets of plates and headers. Due to the large plates in medium- and large-scale heat exchangers, typically exceeding one meter, welding problems can occur due to inaccurate alignment when welding them to the headers. Furthermore, plates can bend or warp due to uneven heat conduction during welding, affecting the flow paths between adjacent plates and even interfering with the welding of other plates. Utility Model Content

[0003] The purpose of the present invention is to provide a plate pair fixing device to address the existing technical defects and solve the problems raised in the above background technology.

[0004] In order to solve the above technical problems, the present invention provides the following technical solutions: a plate pair fixing device for fixing several corrugated plates, which includes several corrugated plates and plate pair fixing parts, wherein the plate pair fixing parts are composed of a middle trunk and branches on both sides, and the plate pair fixing parts are used for installing and fixing each corrugated plate. Several fixing grooves are provided on the plate pair fixing parts for inserting the corrugated plates, and lifting holes are provided at the four corners of the branches. Limiting holes are provided between adjacent fixing slots, and the limiting holes connect limiting component one and limiting component two, and are used to lock the corrugated plates to prevent displacement.

[0005] Furthermore, each group of limiting holes is provided with two rows and is symmetrical with the center line position of the trunk, the trunk and the branch are in a vertical relationship, the length of the fixing groove runs through the trunk and both ends extend to the branch for a distance.

[0006] Furthermore, the plate fixing member is made of C-shaped steel made of 304 steel.

[0007] Furthermore, the limiting component is used to limit the corrugated plate at the top, and includes a support rod, a pressure block and a screw rod, wherein a threaded sleeve is fixed at one end of the support rod, the rod body size of the support rod matches the limiting hole, the screw rod is threadedly matched with the threaded sleeve, and the pressure block is provided with a circular groove matching the screw rod.

[0008] Furthermore, the second limiting component is used to limit the middle corrugated plate, and includes a second support rod, a telescopic rod, a spring and a second pressure block, wherein a ring is fixed at one end of the second support rod, the rod body size of the second support rod matches the limiting hole, the telescopic rod slides with the ring, the spring is arranged in the telescopic rod, and the second pressure block is slidably connected to one end of the telescopic rod.

[0009] Furthermore, the plate-to-fixing member is provided with a bracket, the bracket is provided with a slide groove, the baffles at both ends of the slide groove are provided with connecting holes to cooperate with the lifting holes, a slider is provided in the slide groove, the connecting hole is provided with a slide rod, the slider is open toward the open end of the plate-to-fixing member, the bracket is provided with several fixing holes, the fixing holes are connected to screw rod 2, and the height of the fixing holes is lower than the height of the slide rod.

[0010] Compared with the prior art, the beneficial effects achieved by the present invention are as follows: the present invention realizes the pre-fixation of multiple sets of plate pairs before welding with the junction box pipe by providing plate pair fixing parts, wherein the fixing grooves provided therein can be used to splice the corrugated plate and weld and fix them, and cooperate with the limit assembly 1 and the limit assembly 2 to lock the upper and lower plates after the corrugated plate is spliced, effectively avoiding the displacement phenomenon in the subsequent welding process and improving the assembly quality. At the same time, the provided bracket can help support and adjust the position of the plate pair fixing parts, realize the assembly and then fixation of the corrugated plate, and improve the convenience of installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 This is a schematic diagram of the expansion of the plate to the fixing member of the utility model;

[0014] Figure 3 It is a side view of the plate-to-fixing member of the present utility model;

[0015] Figure 4 This is a schematic diagram of a limit assembly of the present utility model;

[0016] Figure 5 This is a second schematic diagram of the limit assembly of the utility model;

[0017] Figure 6 This is a second sectional view of the position limiting assembly of the present utility model;

[0018] Figure 7This utility model Figure 1 A magnified schematic diagram of area A;

[0019] In the figure: 1. Corrugated plate; 2. Plate-to-plate fixing parts; 21. Fixing groove; 22. Lifting hole; 23. Limiting hole; 24. Main trunk; 25. Branch trunk; 31. Support rod 1; 32. Pressure block 1; 33. Screw rod 1; 41. Support rod 2; 42. Telescopic rod; 43. Spring; 44. Pressure block 2; 5. Bracket; 51. Slide groove; 52. Slider; 53. Slide rod; 54. Fixing hole; 55. Screw rod 2. DETAILED DESCRIPTION

[0020] The following is a non-limiting detailed description of the technical solution of the present invention in conjunction with preferred embodiments and their accompanying drawings. Obviously, the described embodiments are only a portion of the embodiments of the present invention, and not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without inventive effort are also within the scope of protection of the present invention.

[0021] See also Figures 1 to 3 The utility model provides a technical solution: a plate-to-plate fixing device, comprising several corrugated plates 1 and plate-to-plate fixing members 2, wherein the plate-to-plate fixing members 2 are composed of a middle trunk 24 and branches 25 on both sides, and the plate-to-plate fixing members 2 are used to install and fix each corrugated plate 1. Several fixing grooves 21 are opened on the plate-to-plate fixing member 2 for inserting the corrugated plate 1, and lifting holes 22 are opened at the four corners of the branches 25. Limiting holes 23 are opened between adjacent fixing grooves 21, and the limiting holes 23 connect the limiting component 1 and the limiting component 2, which are used to lock the corrugated plate 1 to prevent displacement.

[0022] Each set of limiting holes 23 is provided with two rows and is symmetrical with the center line of the trunk 24. The trunk 24 and the branch 25 are perpendicular to each other. The length of the fixing groove 21 runs through the trunk 24 and extends to the branch 25 for a distance at both ends.

[0023] Preferably, the plate-to-plate fixing member 2 is made of C-shaped steel made of 304 steel, and the size of the fixing groove 21 is larger than the thickness of the corrugated plate 1 .

[0024] like Figure 4 As shown, the limiting component 1 is used to limit the top nodal plate 1 and is connected to the limiting hole 23 on the upper side of the top nodal plate 1, including a support rod 1 31, a pressure block 1 32 and a screw 1 33, wherein a threaded sleeve is fixed at one end of the support rod 1 31, the rod size of the support rod 1 31 matches the limiting hole 23, the screw 1 33 is threadedly matched with the threaded sleeve, and the pressure block 1 32 is provided with a circular groove matching the screw 1 33.

[0025] In actual operation, after the top nodal plate 1 is inserted into the corresponding fixing groove 21, the support rod 1 31 is inserted into the upper limit hole 23, the pressing block 1 32 is placed on the surface of the nodal plate 1, and the screw 1 33 is rotated to align the lower end with the circular groove of the pressing block 1 32, and then the pressing block 1 32 is pressed against the surface of the nodal plate 1.

[0026] like Figures 5-6 As shown, the second limiting assembly is used to limit the lower nodal plate 1 and is connected to the limiting hole 23 on the upper side of the remaining nodal plate 1, including a second support rod 41, a telescopic rod 42, a spring 43 and a second pressure block 44, wherein a collar is fixed to one end of the second support rod 41, the rod body size of the second support rod 41 matches the limiting hole 23, the telescopic rod 42 slides with the collar, the spring 43 is arranged in the telescopic rod 42, and the second pressure block 44 is slidably connected to one end of the telescopic rod 42.

[0027] In actual operation, after the top nodal plate 1 is locked by the limiting assembly 1, the second nodal plate 1 is inserted, the telescopic rod 42 is inserted into the collar, and the second support rod 41 is inserted into the limiting hole 23 between the two nodal plates 1. The end that cooperates with the second pressure block 44 is facing the second nodal plate 1, and the second pressure block 44 is connected to the telescopic rod 42 to press it tightly on the surface of the second nodal plate 1. Because the upper nodal plate 1 is already fixed, it will not affect the limiting effect of the lower nodal plate 1. The fixing of the remaining nodal plates 1 is similar.

[0028] like Figure 7 As shown, the plate-to-fixing member 2 is provided with a bracket 5, the bracket 5 is provided with a slide groove 51, and the baffles at both ends of the slide groove 51 are provided with connecting holes to cooperate with the lifting holes 22. A slider 52 is provided in the slide groove 51, and a slide rod 53 is provided to cooperate with the connecting hole. The slider 52 is open toward the open end of the plate-to-fixing member 2, and the bracket 5 is provided with several fixing holes 54. The fixing hole 54 is connected to a screw rod 55, and the height of the fixing hole 54 is lower than the height of the slide rod 53.

[0029] Working principle: Place the plate pair fixing part 2 on the slider 52, insert the slide bar 53 for preliminary limiting, move the slider 52 to adjust the position of the plate pair fixing part 2, screw the second screw 55 into the corresponding fixing hole 54, lock the plate pair fixing part 2 to position it, insert the top corrugated plate 1 on the plate pair fixing part 2, lock and limit it through the limit component 1, and then lock the remaining corrugated plates 1 through the limit component 2. After assembling the module, weld the corrugated plate 1 and the plate pair fixing part 2 from top to bottom, remove the limit component 1 and the limit component 2, release the lock of the second screw 55, and then remove the slide bar 53, and use the lifting hole 22 on the plate pair fixing part 2 to adjust it to the surface of the bracket 5.

[0030] In the description of the present invention, it should be understood that the terms "up", "down", "front", "back", "left", "right", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the present invention.

[0031] Finally, it should be pointed out that the above embodiments are intended only to illustrate the technical solutions of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art will appreciate that modifications may be made to the technical solutions described in the above embodiments, or that some of the technical features may be replaced with equivalents. Such modifications or replacements do not deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. Plate pair fixing device, used to fix several nodal plates, characterized by: include: A plate-to-plate fixing member (2), the plate-to-plate fixing member (2) is composed of a central trunk (24) and branches (25) on both sides, the plate-to-plate fixing member (2) is used to install and fix each of the corrugated plates (1), the plate-to-plate fixing member (2) is provided with a plurality of fixing grooves (21), and the four corners of the branches (25) are provided with lifting holes (22); The main trunk (24) and the branch trunk (25) are in a vertical relationship; The length of the fixing groove (21) passes through the main trunk (24) and both ends extend to a distance from the branch trunk (25).

2. The plate pair fixing device according to claim 1, characterized in that: The plate-to-plate fixing member (2) is made of C-shaped steel made of 304 steel.

3. The plate pair fixing device according to claim 1, characterized in that: A limiting hole (23) is provided between the adjacent fixing slots (21), and the limiting holes (23) are respectively connected to the limiting component 1 and the limiting component 2.

4. The plate pair fixing device according to claim 3, characterized in that: The limiting holes (23) are arranged in two rows and are symmetrical with the center line of the trunk (24).

5. The plate pair fixing device according to claim 1, characterized in that: The limiting component 1 is connected to the limiting hole (23) on the upper side of the corrugated plate (1) at the top, and includes a support rod 1 (31), a pressure block 1 (32) and a screw rod 1 (33), wherein a threaded sleeve is fixed at one end of the support rod 1 (31), the rod body size of the support rod 1 (31) matches the limiting hole (23), the screw rod 1 (33) is threadedly matched with the threaded sleeve, and a circular groove matching the screw rod 1 (33) is provided on the surface of the pressure block 1 (32).

6. The plate pair fixing device according to claim 1 or 5, characterized in that: The second limiting assembly is connected to the limiting hole (23) on the upper side of the residual corrugated plate (1), and includes a second support rod (41), a telescopic rod (42), a spring (43) and a second pressure block (44), wherein a collar is fixed to one end of the second support rod (41), the rod body size of the second support rod (41) matches the limiting hole (23), the telescopic rod (42) is slidably matched with the collar, the spring (43) is arranged in the telescopic rod (42), and the second pressure block (44) is slidably connected to one end of the telescopic rod (42).

7. The plate pair fixing device according to claim 1, characterized in that: The plate pair fixing member (2) is provided with a bracket (5), the bracket (5) is provided with a slide groove (51), and connecting holes are provided on the baffles at both ends of the slide groove (51) to cooperate with the lifting hole (22). A slider (52) is provided in the slide groove (51), and a slide rod (53) is provided to cooperate with the connecting hole. The slider (52) is opened toward the open end of the plate pair fixing member (2). The bracket (5) is provided with a plurality of fixing holes (54), and the fixing holes (54) are connected with screw rods (55). The height of the fixing holes (54) is lower than the height of the slide rod (53).

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