Welding tool trolley structure of heat exchanger connecting pipeline

By designing the welding tooling vehicle structure, including the welding trolley body, sliding table module, heat exchanger tooling fixture and height adjustment components, the problem of heat exchanger being easily damaged due to manual handling and auxiliary support during the welding process is solved, and an efficient and accurate welding process is achieved, and product quality is improved.

CN222957833UActive Publication Date: 2025-06-10SUZHOU HAOJIA ENERGY SAVING TECH CO LTD
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Patent Information

Application Number
CN202421834727.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-31
Publication Date
2025-06-10
Estimated Expiration
2034-07-31

AI Technical Summary

Technical Problem

In the prior art, heat exchangers with U-shaped connecting pipes require manual handling and auxiliary support during welding, which are prone to damage due to bumps and affect product quality.

Method used

A welding tooling vehicle structure is designed, including a welding cart body, a sliding table module, a movable heat exchanger tooling fixture and a height adjustment component, and the precise positioning and protection of the heat exchanger is achieved through the guide rail sliding table and the vertical support frame.

Benefits of technology

No manual handling and auxiliary support is required, which avoids collision and damage, realizes accurate positioning and protection of heat exchangers, and improves welding efficiency and quality.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222957833U_ABST
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Abstract

The utility model relates to the technical field of heat exchanger auxiliary equipment, in particular to a welding tool trolley structure of a heat exchanger connecting pipeline. The welding trolley comprises a welding trolley body, a sliding table module arranged on the welding trolley body, a heat exchanger tool clamp capable of moving along the sliding table module, and a height adjusting assembly used for adjusting the height of a heat exchanger connecting pipe. The movable welding tool has the advantages that according to the technical scheme, a common welding tool is made to be movable, after the welding procedure is completed, the welding tool can be transferred to a designated area of the next step, and bumping damage possibly caused by manual carrying is avoided; and the guide rail sliding table and the vertical supporting frame are arranged, heat exchangers of different models can be matched for use according to the transverse and vertical sizes of different connecting pipes of the heat exchanger, and the universal performance is achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of heat exchanger auxiliary equipment, in particular to a welding tooling cart structure for a heat exchanger connecting pipeline. Background Technique

[0002] With the continuous development of air conditioning technology, the heat exchangers inside air conditioning equipment are also diverse, and their functions are also different. In order to achieve the energy-saving heat recovery effect, heat exchangers with U-shaped connecting pipelines have emerged as the times require.

[0003] In the existing production technology, for such heat exchangers with U-shaped connecting pipelines, during the production welding process, most rely on manual handling and auxiliary support to cooperate with the welding work. Moreover, due to the heat exchanger being too fragile and large in size, there are many uncertain factors such as being easily bumped and damaged during the personnel transfer process, which cannot guarantee the size structure of the heat exchanger, nor can it ensure the appearance of the heat exchanger is clean and undamaged, posing a great hidden danger to the product quality.

[0004] In view of the above problems, the utility model designs a welding tooling cart that does not require manual auxiliary support or manual handling, and improves the welding efficiency and welding quality. Content of the Utility Model

[0005] The purpose of the utility model is to provide a welding tooling cart structure for a heat exchanger connecting pipeline to overcome the above-mentioned deficiencies existing in the current prior art.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A welding tooling cart structure for a heat exchanger connecting pipeline, which includes a welding cart body, a sliding table module arranged on the welding cart body, a heat exchanger tooling fixture that can move along the sliding table module, and a height adjustment component for adjusting the height of the heat exchanger connecting pipe. The welding cart body includes a frame, a cart handle arranged at one end of the frame, and casters arranged around the bottom of the frame. The sliding table module includes guide rails respectively arranged on both sides of the frame, a plurality of sliding table seats respectively slidably installed on the guide rails, and a braking handle installed on the side of the sliding table seat. The heat exchanger tooling fixture includes a plurality of groups of tooling fixture frames, and the tooling fixture frames are installed on the sliding table seats through fixing pieces. A groove is opened in the middle part of the tooling fixture frame, and vertical support rails are arranged at both ends of the tooling fixture frame in the middle position. The height adjustment component includes a vertical support frame, and the vertical support frame is of a U-shaped structure and its two ends are respectively inserted into different vertical support rails.

[0008] Preferably, a locking component is arranged on the casters.

[0009] Preferably, a vertical bracket positioning handle is also installed on the side of the vertical support frame guide rail in a threaded manner, and the threaded end of the vertical bracket positioning handle is placed inside the vertical support frame guide rail.

[0010] Preferably, an intermediate cross beam is provided at the middle position of the vertical support frame.

[0011] Preferably, the height adjustment assembly includes a vertical support frame, and the vertical support frame is of a U-shaped structure, and both ends are respectively inserted into different vertical support frame guide rails.

[0012] The beneficial effects of the present utility model are as follows: This technical solution makes the ordinary welding tooling movable. After the welding process is completed, it can be transferred to the designated area of the next step, avoiding the possible bump damage caused by manual handling; The guide rail slide table and the vertical support frame are provided, and for the horizontal and vertical dimensions of different connecting pipes of the heat exchanger, it can be used in combination with different models of heat exchangers, having general performance; There is a groove left in the middle of the heat exchanger tooling fixture for placing the heat exchanger, which plays an auxiliary support role and also avoids the bump damage of the heat exchanger during the operation process, realizing trace-free protection, improving the welding efficiency and quality. Description of the Drawings

[0013] Figure 1 It is a structural schematic diagram of a welding tooling cart structure for a heat exchanger connecting pipeline of the present utility model;

[0014] Figure 2 It is a schematic diagram of the welding cart body of a welding tooling cart structure for a heat exchanger connecting pipeline of the present utility model;

[0015] Figure 3 It is a schematic diagram of the slide table module of a welding tooling cart structure for a heat exchanger connecting pipeline of the present utility model;

[0016] Figure 4 It is a schematic diagram of the heat exchanger tooling fixture of a welding tooling cart structure for a heat exchanger connecting pipeline of the present utility model;

[0017] Figure 5 It is a schematic diagram of the height adjustment assembly of a welding tooling cart structure for a heat exchanger connecting pipeline of the present utility model;

[0018] Figure 6 It is a structural schematic diagram after assembly and welding of a welding tooling cart structure for a heat exchanger connecting pipeline of the present utility model;

[0019] In the figure: 1. Welding cart body; 2. Slide table module; 3. Heat exchanger tooling fixture; 4. Height adjustment component; 11. Frame; 12. Cart armrest; 13. Caster; 21. Guide rail; 22. Slide table base; 23. Brake handle; 31. Tooling fixture frame; 32. Groove; 34. Vertical support guide rail; 33. Vertical support positioning handle; 5. Heat exchanger connecting pipe. Detailed implementation manners

[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0021] In the description of the present invention, it should be understood that the orientation or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.

[0022] Referring to Figures 1 to 5 , a welding tooling cart structure for a heat exchanger connecting pipeline, which includes a welding cart body 1, a slide table module 2 arranged on the welding cart body, a heat exchanger tooling fixture 3 that can move along the slide table module, and a height adjustment component 4 for adjusting the height of the heat exchanger connecting pipe;

[0023] The welding cart body includes a frame 11, a cart armrest 12 arranged at one end of the frame, and casters 13 arranged around the bottom of the frame; a locking component is arranged on the caster, and pressing the locking component fixes the caster, thereby fixing the entire welding cart body. The welding tooling cart can be fixed in a certain operation area and then transferred to the designated area of the next step after the operation is completed.

[0024] The slide table module 2 includes guide rails 21 respectively arranged on both sides of the frame, a plurality of slide table bases 22 respectively slidably installed on the guide rails, and a brake handle 23 installed on the side of the slide table base. The slide table base can slide freely and is equipped with a brake handle. The moving distance of the slide table base is determined according to the lateral dimension of the heat exchanger pipeline to ensure the accuracy of the lateral dimension of the heat exchanger connecting pipe;

[0025] The heat exchanger fixture 3 includes several groups of fixture frames 31, which are installed on the slide seat through fixings. A groove 32 is opened in the middle part of the fixture frame. The heat exchanger to be welded is placed in the fixture frame from the groove, and both ends of the fixture frame placed in the middle position are provided with vertical support frame guide rails 34. A vertical support frame positioning handle 33 is also threadedly installed on the side of the vertical support frame guide rail, and the threaded end of the vertical support frame positioning handle is placed inside the vertical support frame guide rail; the moving distance of the vertical support frame is determined according to the vertical size of the heat exchanger pipeline to ensure the vertical size accuracy of the heat exchanger connecting pipe.

[0026] The height adjustment component 4 is arranged on the heat exchanger fixture 3, and the height adjustment component 4 includes a vertical support frame, and the vertical support frame is a U-shaped structure, and the two ends are respectively inserted in different vertical support frame guide rails. In order to improve the stability of the entire vertical support frame, an intermediate crossbeam is arranged in the middle position of the vertical support frame; the vertical support frame can have a variety of specifications, and a suitable style can be selected according to the vertical size of the heat exchanger connecting pipe for easy switching;

[0027] This implementation case, refer to Figure 6 As shown, according to the vertical size of the heat exchanger pipeline, the moving distance of the vertical support frame is first determined, and the slide seat 22 is moved to adjust the spacing between the tooling fixture frames. After adjustment, it is locked and fixed by the brake handle. Then, according to the height requirement of the vertical size of the heat exchanger connecting pipe, a vertical support frame of suitable height is selected, and the two ends of the vertical support frame are inserted into the vertical support frame guide rails 34. After adjusting the height of the vertical support frame, the vertical support frame positioning handle is tightened so that the vertical support frame is clamped inside the vertical support frame positioning handle to fix the two ends of the vertical support frame. After the spacing and height are adjusted, the heat exchanger to be welded is placed in the tooling fixture frame and inserted from the groove, and then the heat exchanger connecting pipe 5 to be welded is placed on the vertical support frame. The two ends of the heat exchanger connecting pipe are respectively in contact with the heat exchangers in the tooling fixture frames on both sides, and then welding is performed manually or by equipment to complete the assembly.

[0028] The benefits of the utility model are that the technical solution makes ordinary welding tooling movable, so that after the welding process is completed, it can be transferred to the designated area of ​​the next step, avoiding the bumps and damages that may be caused by manual handling; a guide rail slide and a vertical support frame are provided, and according to the horizontal and vertical dimensions of different connecting pipes of the heat exchanger, it can be used with different types of heat exchangers, and has universal performance; a groove is left in the middle of the heat exchanger tooling fixture for placing the heat exchanger, which plays a role of auxiliary support and also avoids bumps and damages to the heat exchanger during operation, achieving protection without leaving marks and improving welding efficiency and quality.

[0029] The above are only the preferred specific embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its inventive concept, makes equivalent substitutions or changes, and should be covered within the protection scope of the present utility model.

Claims

1. A welding tooling vehicle structure for connecting pipes of a heat exchanger, characterized in that: It includes a welding trolley body, a slide module arranged on the welding trolley body, a heat exchanger fixture movable along the slide module, and a height adjustment component for adjusting the height of the heat exchanger connecting pipe. The welding trolley body includes a frame, a trolley handrail arranged at one end of the frame, and casters arranged around the bottom of the frame. The slide module includes guide rails arranged on both sides of the frame, a plurality of slide seats respectively slidably mounted on the guide rails, and a brake handle is installed on the side of the slide seat. The heat exchanger fixture includes a plurality of sets of fixture frames, the fixture frames are installed on the slide seats through fixing parts, a groove is opened in the middle part of the fixture frame, and vertical support frame guide rails are arranged at both ends of the fixture frame placed in the middle position.

2. The welding tooling vehicle structure for connecting pipes of a heat exchanger according to claim 1, characterized in that: The caster is provided with a locking assembly.

3. The welding tooling vehicle structure for connecting pipes of a heat exchanger according to claim 1, characterized in that: A vertical support frame positioning handle is also threadedly installed on the side of the vertical support frame guide rail, and the threaded end of the vertical support frame positioning handle is placed inside the vertical support frame guide rail.

4. The welding tooling vehicle structure for connecting pipes of a heat exchanger according to claim 1, characterized in that: An intermediate cross beam is arranged in the middle of the vertical support frame.

5. The welding tooling vehicle structure for connecting pipes of a heat exchanger according to claim 1, characterized in that: The height adjustment component comprises a vertical support frame, and the vertical support frame is a U-shaped structure, and two ends of the vertical support frame are respectively inserted into different vertical support frame guide rails.