Tank welding positioning tool

By adjusting the spacing between the support wheels using hydraulic telescopic rods and rotating rods, and combining this with the sliding engagement of the locking block with the track seat, the problem of unstable support for the tank welding positioning fixture was solved, achieving stable support and applicability for different tanks.

CN224238690UActive Publication Date: 2026-05-15BAZHOU HAOCHEN VESSEL MFG
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
BAZHOU HAOCHEN VESSEL MFG
Filing Date
2025-03-26
Publication Date
2026-05-15

AI Technical Summary

Technical Problem

The existing tank welding positioning fixtures cannot adjust the spacing between the support wheels, resulting in unstable support for different tanks.

Method used

Design a tank welding positioning fixture including a hydraulic telescopic rod, a rotating rod, and support wheels. The spacing between the support wheels can be adjusted by the hydraulic telescopic rod, and the sliding engagement of the locking block with the track seat and the connection of the bidirectional threaded telescopic rod with the crossbar can achieve flexible adjustment of the spacing and height of the support wheels.

Benefits of technology

It achieves stable support for different tanks, adapts to different tank sizes, and improves the support stability and applicability during the welding process.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224238690U_ABST
    Figure CN224238690U_ABST
Patent Text Reader

Abstract

The utility model belongs to the technical field of tank body welding, and particularly relates to a tank body welding positioning tool which comprises transverse rods arranged in parallel, rotating rods are symmetrically and rotationally arranged on the upper sides of the two side faces of the transverse rods, fixing plates are fixedly arranged between the rotating rods on the same side, and hydraulic telescopic rods are rotationally arranged on the sides, away from each other, of the fixing plates. The ends, away from the fixing plates, of the hydraulic telescopic rods incline downwards and are rotationally connected with the transverse rods, supporting wheels are rotationally arranged on the upper sides of the rotating rods on the same side, and a tank body is arranged on the upper sides of the supporting wheels. When the distance between the supporting wheels needs to be adjusted according to different tank bodies, only the hydraulic telescopic rod needs to be started, the output end of the hydraulic telescopic rod stretches out and draws back, the fixing plate can drive the rotating rod to rotate, the rotating rod drives the supporting wheels to rotate, and therefore the distance between the supporting wheels can be rapidly adjusted, and the supporting wheels can be conveniently adjusted to the optimal distance according to the different tank bodies; therefore, more stable support is provided for the tank body.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model belongs to the field of tank welding technology, and specifically relates to a tank welding positioning tool. Background Technology

[0002] Special positioning fixtures are required for support and positioning of the tank body during welding. Since the tank body needs to be sealed at both ends during welding, and the tank body is generally large, it is extremely difficult to weld a fixed tank body. Therefore, positioning fixtures that allow the tank body to rotate are generally used.

[0003] Currently, positioning fixtures for tanks typically consist of two rows of rollers or support wheels symmetrically positioned at the bottom of the tank. However, the spacing of these support wheels or rollers is not adjustable, and different tanks require different spacing. Adjusting the spacing appropriately will ensure stable support during tank welding. Utility Model Content

[0004] To address the above problems, the purpose of this utility model is to provide a tank welding positioning fixture, which solves the problem that current tank positioning fixtures generally use two rows of rollers or support wheels symmetrically arranged at the bottom of the tank for support. However, the spacing of current support wheels or rollers cannot be adjusted, and different tanks require different spacing of support wheels. Adjusting the appropriate spacing is necessary to ensure stable support during tank welding.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a tank welding positioning fixture, comprising parallel horizontal bars, rotating rods symmetrically rotatably mounted on the upper sides of both sides of the horizontal bars, a fixed plate fixedly mounted between the rotating rods on the same side, and a hydraulic telescopic rod rotatably mounted on the side of the fixed plate away from each other, the end of the hydraulic telescopic rod away from the fixed plate tilting downward and rotatably connected to the horizontal bar, and a support wheel rotatably mounted on the upper side of the rotating rod on the same side, with the tank body placed on the upper side of the support wheel.

[0006] The beneficial effects of this utility model are as follows: when it is necessary to adjust the spacing of the support wheels for different tanks, it is only necessary to activate the hydraulic telescopic rod. The output end of the hydraulic telescopic rod extends and retracts, which can drive the rotating rod to rotate through the fixed plate. The rotating rod drives the support wheels to rotate, thereby quickly adjusting the spacing between the support wheels. This makes it easy to adjust the support wheels to the optimal spacing for different tanks, thus providing more stable support for the tank.

[0007] To facilitate sliding adjustment of the spacing between the crossbars;

[0008] As a further improvement to the above technical solution: both sides of the lower side of the crossbar are fixedly provided with locking blocks, and a track seat is provided on the lower side of the locking blocks. The crossbar is slidably engaged with the track seat through the locking blocks.

[0009] The beneficial effects of this improvement are: the setting of a locking block and a sliding engagement with the track seat facilitates the sliding adjustment of the spacing between the crossbars, making it suitable for tanks of different lengths.

[0010] To facilitate maintaining the overall stability of the crossbar;

[0011] As a further improvement to the above technical solution: both ends of the crossbars on the side that are close to each other are threaded with bidirectional threaded telescopic rods.

[0012] The beneficial effects of this improvement are: the installation of a bidirectional threaded telescopic rod to connect the crossbars creates an adjustable gap between the two crossbars, which helps maintain the overall stability of the crossbars.

[0013] To facilitate the sliding of the locking block on the track seat;

[0014] As a further improvement to the above technical solution: an auxiliary roller is rotatably provided on the upper inner side of the card block, and the auxiliary roller is rotatably connected to the track seat.

[0015] The beneficial effect of this improvement is that the auxiliary roller makes it easier for the locking block to slide on the track seat.

[0016] To adjust the support height of the support wheels;

[0017] As a further improvement to the above technical solution: an extension rod is inserted into the upper end of each rotating rod, and insertion holes are equally spaced on the side of each extension rod. A bolt is inserted into the upper side of each rotating rod, and the bolt is inserted into the extension rod through the insertion hole. The bolt passes through the rotating rod to the other side where a nut is threadedly connected. The support wheel is rotatably mounted on the upper side of the extension rod.

[0018] The beneficial effect of this improvement is that by connecting the bolt to different holes, the extension length of the extension rod can be adjusted according to the needs of use, thereby adjusting the support height of the support wheel.

[0019] To increase the rolling friction effect between the support wheel and the tank;

[0020] As a further improvement to the above technical solution: rubber sleeves are fitted onto the outer sides of all the support wheels.

[0021] The beneficial effects of this improvement are: rubber sleeves are fitted on the outer side of the support wheels to increase the rolling friction between the support wheels and the tank.

[0022] To facilitate the disassembly and replacement of the semi-circular rubber sleeve and to increase the stability of the semi-circular rubber sleeve relative to the support wheel;

[0023] As a further improvement to the above technical solution: the rubber sleeve is composed of upper and lower symmetrical semi-circular rubber sleeves spliced ​​together, and the outer side of the support wheel is symmetrically fixed with retaining rings. The semi-circular rubber sleeve is engaged with the support wheel through the retaining rings. Bolts are equally spaced on the side of the semi-circular rubber sleeve, and the bolts are threaded through the semi-circular rubber sleeve and connected to the retaining rings.

[0024] The beneficial effects of this improvement are as follows: the semi-circular rubber sleeve is engaged with the support wheel by a retaining ring, and the semi-circular rubber sleeve is fixedly connected to the retaining ring by bolt two, which facilitates the disassembly and replacement of the semi-circular rubber sleeve and increases the stability of the semi-circular rubber sleeve relative to the support wheel.

[0025] The parts of the device not covered herein are the same as or can be implemented using existing technologies. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the structure of the present invention. Figure 1 ;

[0027] Figure 2 This is a schematic diagram of the structure of the present invention. Figure 2 ;

[0028] Figure 3 This is a side view of the structural connection of the crossbar in this utility model;

[0029] Figure 4 This is an exploded view of the structural connection of the support wheel in this utility model;

[0030] In the diagram: 1. Crossbar; 2. Rotating rod; 3. Fixed plate; 4. Hydraulic telescopic rod; 5. Support wheel; 6. Clamping block; 7. Track seat; 8. Bidirectional threaded telescopic rod; 9. Auxiliary roller; 10. Extension rod; 11. Insertion hole; 12. Bolt 1; 13. Semi-circular rubber sleeve; 14. Snap ring; 15. Bolt 2. Detailed Implementation

[0031] To enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be described in detail below with reference to the accompanying drawings. The description in this part is only exemplary and explanatory, and should not be used to limit the scope of protection of the present invention in any way.

[0032] like Figure 1 — Figure 4As shown: A tank welding positioning fixture includes parallel horizontal bars 1. Rotating rods 2 are symmetrically rotatably mounted on the upper sides of both sides of the horizontal bars 1. A fixing plate 3 is fixedly mounted between the rotating rods 2 on the same side. Hydraulic telescopic rods 4 are rotatably mounted on the opposite sides of the fixing plates 3. The end of the hydraulic telescopic rod 4 away from the fixing plate 3 is inclined downwards and rotatably connected to the horizontal bars 1. Support wheels 5 are rotatably mounted on the upper side of the rotating rods 2 on the same side. A tank is placed on the upper side of the support wheels 5. When the spacing of the support wheels 5 needs to be adjusted for different tanks, only the hydraulic telescopic rods 4 need to be activated. The output end of the hydraulic telescopic rod 4 extends and retracts, which drives the rotating rods 2 to rotate via the fixing plates 3. The rotating rods 2 then drive the support wheels 5 to rotate. This allows for quick adjustment of the spacing between the support wheels 5, facilitating the adjustment of the support wheels 5 to the optimal spacing for different tanks, thus providing more stable support for the tank. Both sides of the lower side of the crossbar 1 are fixedly equipped with locking blocks 6, and a track seat 7 is provided below the locking blocks 6. The crossbar 1 is slidably engaged with the track seat 7 via the locking blocks 6, facilitating the sliding adjustment of the spacing between the crossbars 1, suitable for tanks of different lengths. Both ends of the crossbars 1 on the side closest to each other are threaded with bidirectional threaded telescopic rods 8, used to connect the crossbars 1, forming an adjustable-spacing unit between the two crossbars 1, facilitating the maintenance of the overall stability of the crossbars 1. The inner upper side of the locking blocks 6... An auxiliary roller 9 is rotatably mounted and is rolledly connected to the track seat 7. The auxiliary roller 9 facilitates the sliding of the locking block 6 on the track seat 7. An extension rod 10 is inserted into the upper end of each rotating rod 2. Insertion holes 11 are equidistantly spaced on the side of each extension rod 10. A bolt 12 is inserted into the upper side of each rotating rod 2, connecting to the extension rod 10 through the insertion holes 11. The bolt 12 passes through the rotating rod 2 and is threaded to a nut on the other side. A support wheel 5 is rotatably mounted on the upper side of the extension rod 10 and is connected to different insertion holes 11 by bolts 12. The extension length of the extension rod 10 can be adjusted according to usage needs, thereby adjusting the support height of the support wheel 5. All outer sides of the support wheel 5 are fitted with rubber sleeves to increase the rolling friction between the support wheel 5 and the tank body. The rubber sleeves are composed of symmetrical semi-circular rubber sleeves 13 spliced ​​together. The outer sides of the support wheel 5 are symmetrically fixed with retaining rings 14. The semi-circular rubber sleeves 13 are engaged with the support wheel 5 through retaining rings 14. Bolts 15 are evenly spaced on the sides of the semi-circular rubber sleeves 13. The bolts 15 all pass through the semi-circular rubber sleeves 13 and are threaded to the retaining rings 14. The semi-circular rubber sleeves 13 are engaged with the support wheel 5 through retaining rings 14. The semi-circular rubber sleeves 13 are fixedly connected to the retaining rings 14 through bolts 15, which facilitates the disassembly and replacement of the semi-circular rubber sleeves 13 and increases the stability of the semi-circular rubber sleeves 13 relative to the support wheel 5.

[0033] Working principle and usage process of this utility model:

[0034] In use, the tank is placed directly on top of the support wheel 5. The rolling connection between the tank and the support wheel 5 allows the tank to rotate. When the spacing of the support wheel 5 needs to be adjusted for different tanks, simply activate the hydraulic telescopic rod 4. The output end of the hydraulic telescopic rod 4 extends or retracts, which drives the rotating rod 2 to rotate via the fixed plate 3. The rotating rod 2 then drives the support wheel 5 to rotate, thereby quickly adjusting the spacing between the support wheels 5. This facilitates adjusting the support wheel 5 to the optimal spacing for different tanks, providing more stable support for the tank. In addition, during use, a locking block 6 is slidably engaged with the track seat 7, facilitating the sliding adjustment of the spacing between the crossbars 1, suitable for tanks of different lengths. Furthermore, a bidirectional threaded telescopic rod 8 is provided for connecting the crossbars 1. The two crossbars 1 are designed to form an adjustable gap, which helps maintain the overall stability of the crossbars 1. In addition, an auxiliary roller 9 is provided to facilitate the sliding of the locking block 6 on the track seat 7. Furthermore, by connecting the bolt 12 to different insertion holes 11, the extension length of the extension rod 10 can be adjusted according to the needs of use, thereby adjusting the support height of the support wheel 5. In addition, rubber sleeves are fitted on the outer side of the support wheel 5 to increase the rolling friction between the support wheel 5 and the tank body. Furthermore, the semi-circular rubber sleeve 13 is locked to the support wheel 5 by a retaining ring 14, and the semi-circular rubber sleeve 13 is fixedly connected to the retaining ring 14 by a bolt 2 15, which facilitates the disassembly and replacement of the semi-circular rubber sleeve 13 and increases the stability of the semi-circular rubber sleeve 13 relative to the support wheel 5.

[0035] It should be noted that, in this document, 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 process, method, article, or apparatus.

[0036] This article uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only for the purpose of helping to understand the method and core ideas of the present invention. The above descriptions are only preferred embodiments of the present invention. It should be noted that due to the limitations of textual expression, there are objectively infinite specific structures. For those skilled in the art, several improvements, modifications, or changes can be made without departing from the principles of the present invention, and the above technical features can also be combined in an appropriate manner. These improvements, modifications, changes, or combinations, or the direct application of the inventive concept and technical solution to other situations without modification, should all be considered within the scope of protection of the present invention.

Claims

1. A welding positioning fixture for tank bodies, characterized in that: The device includes parallel horizontal bars (1), with rotating rods (2) symmetrically rotated on the upper sides of both sides of the horizontal bars (1). A fixing plate (3) is fixed between the rotating rods (2) on the same side. A hydraulic telescopic rod (4) is rotatably mounted on the side of the fixing plate (3) that is far away from each other. The end of the hydraulic telescopic rod (4) that is far away from the fixing plate (3) is tilted downward and rotatably connected to the horizontal bar (1). A support wheel (5) is rotatably mounted on the upper side of the rotating rod (2) on the same side. A tank is placed on the upper side of the support wheel (5).

2. The tank welding positioning fixture according to claim 1, characterized in that: Both sides of the lower side of the crossbar (1) are fixedly provided with locking blocks (6), and a track seat (7) is provided on the lower side of the locking block (6). The crossbar (1) is slidably engaged with the track seat (7) through the locking block (6).

3. The tank welding positioning fixture according to claim 1, characterized in that: Both ends of the crossbars (1) that are close to each other are threaded with bidirectional threaded telescopic rods (8).

4. The tank welding positioning fixture according to claim 2, characterized in that: An auxiliary roller (9) is rotatably provided on the upper inner side of the card block (6), and the auxiliary roller (9) is rotatably connected to the track seat (7).

5. The tank welding positioning fixture according to claim 1, characterized in that: The upper end of each rotating rod (2) is provided with an extension rod (10). The side of each extension rod (10) is provided with equidistant insertion holes (11). Each side of the rotating rod (2) is provided with a bolt (12). The bolt (12) is inserted into the extension rod (10) through the insertion hole (11). The bolt (12) passes through the rotating rod (2) and is threaded to the other side with a nut. The support wheel (5) is rotatably arranged on the upper side of the extension rod (10).

6. The tank welding positioning fixture according to claim 1, characterized in that: All the outer sides of the support wheels (5) are fitted with rubber sleeves.

7. The tank welding positioning fixture according to claim 6, characterized in that: The rubber sleeve is composed of symmetrical upper and lower semi-circular rubber sleeves (13) spliced ​​together. The outer side of the support wheel (5) is symmetrically fixed with retaining rings (14). The semi-circular rubber sleeve (13) is snapped with the support wheel (5) through the retaining rings (14). Bolts (15) are equidistantly arranged on the side of the semi-circular rubber sleeve (13). The bolts (15) all pass through the semi-circular rubber sleeve (13) and are threadedly connected to the retaining rings (14).