Auxiliary supporting device for welding of heat exchanger

Abstract

The heat exchanger welding auxiliary supporting device comprises a connecting mechanism and a driving mechanism, the connecting mechanism comprises a connecting cylinder, and a first connecting block is arranged on the outer surface of the connecting cylinder and used for being rotationally connected with a supporting mechanism; the supporting mechanism comprises a supporting plate, a second connecting block and a third connecting block are arranged on the inner wall of the supporting plate, the third connecting block is rotationally connected with one end of a second connecting rod, and the other end of the second connecting rod is rotationally connected with the first connecting block; the driving mechanism comprises an oil cylinder, one end of a piston rod of the oil cylinder extends out of the connecting cylinder and is rotationally connected with one end of a first connecting rod, and the other end of the first connecting rod is rotationally connected with a second connecting block. The three sets of connecting rods are driven to rotate through stretching and retracting of the oil cylinders, so that the supporting plates are controlled to stretch and retract, the supporting plates can support the inner wall of the main tank body, the pressure borne by the bottom of the main tank body is shared, the two ends of the main tank body are prevented from slightly deforming, and the welding efficiency and quality of the storage tank are improved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of heat exchanger processing equipment, in particular to a heat exchanger welding auxiliary supporting device. BACKGROUND

[0002] The tank body of the heat exchanger is mainly composed of three parts, including the end cover at both ends and the main tank body in the middle. When the heat-conducting pipes inside are welded and fixed, the end covers at both ends need to be welded on the main tank body. Since the main tank body is heavy, some auxiliary equipment is often needed to assist in welding. For example, patent CN201921273230.X discloses a tank body welding driving chassis mechanism, which can drive the tank body to rotate to complete the welding. When the radius of the tank body is large, only the bottom end of the main tank body receives the supporting force, causing slight deformation of the two ends of the main tank body, which brings trouble to the welding of the end cover. SUMMARY

[0003] (I) Technical problem of the present application:

[0004] In order to make up for the shortcomings of the prior art and solve the above technical problems, the present application provides a heat exchanger welding auxiliary supporting device, which greatly reduces the deformation of the two ends of the main tank body by increasing the stress support points of the main tank body, thereby improving the welding quality and efficiency between the main tank body and the end cover.

[0005] (II) The technical scheme of the present application specifically includes:

[0006] A heat exchanger welding auxiliary supporting device, comprising:

[0007] A connecting mechanism, the connecting mechanism comprising a connecting cylinder, the outer surface of the connecting cylinder being provided with a plurality of first connecting blocks, the first connecting blocks being used for rotating connection with a supporting mechanism;

[0008] The supporting mechanism comprises a supporting plate, the inner wall of the supporting plate being provided with a second connecting block and a third connecting block, the third connecting block being rotatably connected with one end of a second connecting rod, and the other end of the second connecting rod being rotatably connected with the first connecting block;

[0009] A driving mechanism, the driving mechanism comprising an oil cylinder, the oil cylinder being fixed inside the connecting cylinder, the piston rod of the oil cylinder extending out of the connecting cylinder and being rotatably connected with one end of a first connecting rod, and the other end of the first connecting rod being rotatably connected with the second connecting block.

[0010] As the preferred technical scheme of the previous step, the number of the supporting plates is three, and the supporting plates are arranged at equal intervals outside the connecting cylinder.

[0011] As the preferred technical scheme of the previous step, a plurality of anti-skid grooves are arranged on the outer wall of the supporting plate.

[0012] As the preferred technical solutions of the previous step, two third connecting blocks are arranged on the inner wall of each support plate, a round hole is arranged on the third connecting block, and the second connecting rod is rotatably connected to the third connecting blocks at both ends.

[0013] As the preferred technical solutions of the previous step, the piston rod of the oil cylinder is fixedly connected to the connecting seat, and the connecting seat is rotatably connected to the first connecting rod at one end.

[0014] As the preferred technical solutions of the previous step, a fourth connecting block is arranged on the connecting seat, and the fourth connecting block is rotatably connected to the first connecting rod at one end through a pin shaft.

[0015] (Three) The beneficial effects of the present application are as follows:

[0016] The heat exchanger welding auxiliary support device provided by the present application can drive three connecting rods to rotate through the extension of the oil cylinder, thereby controlling the opening and contraction of the support plate, enabling the support plate to support the inner wall of the main tank body, thereby sharing the pressure received by the bottom of the main tank body, preventing the two ends of the main tank body from being slightly deformed, thereby facilitating the welding of the end cover and the main tank body, and improving the welding efficiency and quality of the storage tank. BRIEF DESCRIPTION OF DRAWINGS

[0017] The present application will be further described below in conjunction with the drawings.

[0018] Fig. 1 is a three-dimensional view of the welding process of the present application;

[0019] Fig. 2 is a three-dimensional structure schematic diagram of the support device of the present application;

[0020] Fig. 3 is a side view structure schematic diagram of the support plate of the present application.

[0021] In the drawings:

[0022] 10, connecting cylinder; 11, flange plate; 12, first connecting hole; 13, first connecting block; 14, baffle; 15, through hole; 16, second connecting hole; 20, support plate; 21, anti-skid groove; 22, second connecting block; 23, first connecting rod; 24, round hole; 25, second connecting rod; 26, pin shaft; 27, third connecting block; 30, oil cylinder; 31, connecting seat; 100, auxiliary support device; 200, main tank body. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, purposes and effects achieved by the present application easy to understand, the present application will be further described below in conjunction with specific embodiments. EMBODIMENT

[0024] As Figs. 1-3As shown, the auxiliary support device 100 of the present application comprises a connecting mechanism, a supporting mechanism and a driving mechanism. The connecting mechanism comprises a connecting cylinder 10, which is an open structure at one end and is provided with a baffle 14 at the other end. The outer surface of the connecting cylinder 10 is provided with a plurality of first connecting blocks 13. Preferably, the outer surface of the connecting cylinder 10 is provided with six first connecting blocks 13, which are divided into two rows, with three first connecting blocks 13 in each row. The first connecting blocks 13 are used for rotationally connecting the supporting mechanism.

[0025] Specifically, the supporting mechanism comprises a supporting plate 20, which has a certain curvature as a whole. The inner wall of the supporting plate 20 is provided with a second connecting block 22 and a third connecting block 27. The third connecting block 27 is two blocks, each of which is rotationally connected to one end of a second connecting rod 25. The other end of the second connecting rod 25 is rotationally connected to the first connecting block 13. Preferably, the two ends of the two second connecting rods 25 can be rotationally connected. More preferably, the two second connecting rods 25 are arranged in parallel with each other.

[0026] Specifically, the driving mechanism of the present application comprises an oil cylinder 30, which is fixed inside the connecting cylinder 10. The baffle 14 of the connecting cylinder 10 is provided with a through hole 15 and a second connecting hole 16. The oil cylinder 30 is fixed to the baffle 14 through the second connecting hole 16. Preferably, the second connecting hole 16 is three or more. The piston rod of the oil cylinder 30 extends out of the through hole 15 of the connecting cylinder 10 and is rotationally connected to one end of a first connecting rod 23. The other end of the first connecting rod 23 is rotationally connected to the second connecting block 22.

[0027] As a preferred embodiment of the above step, the number of the supporting plate 20 of the present application is three. The supporting plates 20 are arranged at equal intervals outside the connecting cylinder 10, i.e., each supporting plate 20 is rotationally connected to the connecting cylinder 10 through two second connecting rods 25. When the second connecting rod 25 rotates along the outside of the connecting cylinder 10, the second connecting rod 25 can control the distance between the supporting plate 20 and the connecting cylinder 10. When the supporting plate 20 is stretched out, the outer wall of the supporting plate 20 contacts the inner wall of the main tank body 200, thereby supporting the main tank body 200. When the main tank body 200 is welded, the supporting plate 20 is retracted, and the supporting plate 20 is separated from the main tank body.

[0028] As a preferred embodiment of the above step, the outer wall of the supporting plate 20 of the present application is provided with a plurality of anti-skid grooves 21, which penetrate through the two sides of the supporting plate 20. The plurality of anti-skid grooves 21 can better support the main tank body 200 and prevent the main tank body 200 from rotating.

[0029] As a preferred embodiment of the previous step, the piston rod of the oil cylinder 30 of the present application is fixedly connected to the connecting seat 31, and the connecting seat 31 is rotatably connected to one end of the first connecting rod 23. Among them, a fourth connecting block (not marked in the figure) is provided on the connecting seat 31, and the fourth connecting block is rotatably connected to one end of the first connecting rod 23 through a pin 26. Preferably, the number of the fourth connecting blocks is three, and the three fourth connecting blocks are equidistantly arranged on the connecting seat 31, and the position of each fourth connecting block corresponds to the position of a second connecting block 22, and the second connecting block 22 is arranged on the inner wall of the support plate 20. Specifically, the first connecting block 13, the second connecting block 22, the third connecting block 27 and the fourth connecting block of the present application are all provided with a circular hole 24, and the circular hole 24 is used to cooperate with the pin 26 to form a rotating connection structure with the corresponding connecting rod.

[0030] As a preferred embodiment of the previous step, the open end of the connecting tube 10 of the present application is further fixedly connected to a flange 11, which is provided with a plurality of first connection holes 12. The flange 11 can be used to fix the present application to another telescopic mechanism, thereby enabling the present application to be extended and retracted from the main tank body 200. For example, the telescopic mechanism can be another oil cylinder or a pneumatic cylinder, which is not a technical solution to be protected by the present application and will not be described in detail here.

[0031] In the description of this application, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate directions or positional relationships based on the attached Fig. 1 The orientation or positional relationship shown is only for the convenience of describing this application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, it cannot be understood as limiting the scope of protection of this application. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0032] The above shows and describes the basic principles, main features, and advantages of the present application. Those skilled in the art should understand that the present application is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present application. Various changes and improvements may be made to the present application without departing from the spirit and scope of the present application. These changes and improvements are intended to fall within the scope of the present application. The scope of protection claimed in this application is defined by the appended claims and their equivalents.

Claims

1. A heat exchanger welding auxiliary support device characterized by, Include: Connecting mechanism, the connecting mechanism includes connecting barrel (10), connecting barrel (10) outer surface is provided with a plurality of first connecting block (13), first connecting block (13) is used for and support mechanism rotation connection; The support mechanism includes support plate (20), the inner wall of support plate (20) is provided with second connecting block (22) and third connecting block (27), third connecting block (27) and second connecting rod (25) one end rotation connection, second connecting rod (25) the other end and first connecting block (13) rotation connection; Driving mechanism, the driving mechanism includes oil cylinder (30), the oil cylinder (30) is fixed in connecting barrel (10), the piston rod one end of oil cylinder (30) extends connecting barrel (10) and is connected with first connecting rod (23) one end rotation, first connecting rod (23) the other end and second connecting block (22) rotation connection.

2. The welding auxiliary support device for heat exchanger according to claim 1, characterized in that: The number of support plate (20) is three, and the support plates (20) are equidistantly arranged outside the connecting barrel (10).

3. The welding auxiliary support device for heat exchanger according to claim 1 or 2, characterized in that: The outer wall of the support plate (20) is provided with a plurality of anti-skid grooves (21).

4. The welding auxiliary support device for heat exchanger according to claim 1 or 2, characterized in that: Each of the inner walls of the support plates (20) is provided with two third connecting blocks (27), and the third connecting blocks (27) are provided with round holes (24).

5. The heat exchanger welding auxiliary support device according to claim 1, characterized in that: The piston rod of the oil cylinder (30) is fixedly connected with a connecting seat (31), and the connecting seat (31) is rotationally connected with one end of the first connecting rod (23).

6. The welding support device for heat exchanger according to claim 5, wherein: The connecting seat (31) is provided with a fourth connecting block, and the fourth connecting block is rotationally connected with one end of the first connecting rod (23) through a pin shaft (26).

7. The welding support device of claim 1, wherein: The opening end of the connecting barrel (10) is further fixedly connected with a flange plate (11), and the flange plate (11) is provided with a plurality of first connecting holes (12).

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