Double-end fixing welding tool for gas storage tank

By designing a double-headed fixed welding fixture for gas storage tanks, and utilizing tank positioning components, support positioning components, bracket positioning components, and pipe positioning components, one-time positioning welding of gas storage tank accessories is achieved, solving the problem of low efficiency of existing welding fixtures and improving welding efficiency.

CN224359629UActive Publication Date: 2026-06-16TAIZHOU ZHONGHENG MACHINERY

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
TAIZHOU ZHONGHENG MACHINERY
Filing Date
2026-05-12
Publication Date
2026-06-16

AI Technical Summary

Technical Problem

Existing welding fixtures cannot position and weld multiple components on the gas storage tank at once, resulting in low welding efficiency.

Method used

A double-ended fixed welding fixture for gas storage tanks was designed, including a frame, a tank support, a tank positioning assembly, a leg positioning assembly, a bracket positioning assembly, and a pipe positioning assembly. These assemblies fix the two ends, bottom legs, top bracket, and connecting pipes of the gas storage tank respectively, achieving one-time positioning welding.

🎯Benefits of technology

This improved the efficiency of welding gas tank components, avoided repeated clamping, and enhanced welding efficiency.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224359629U_ABST
    Figure CN224359629U_ABST
Patent Text Reader

Abstract

The application relates to a double-end fixing and welding tool for gas storage tanks, which comprises a rack and a tank body receiving seat arranged on the rack, two tank body positioning assemblies are slidingly installed on the rack, and the two tank body positioning assemblies are used for fixing two ends of the gas storage tank after sliding; at least one foot positioning assembly is arranged on one side of the tank body receiving seat; at least one support positioning assembly and at least one pipe positioning assembly are arranged on the other side of the tank body receiving seat. The application has the effect of improving the welding efficiency.
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Description

Technical Field

[0001] This application relates to the technical field of welding fixtures, and in particular to a double-ended welding fixture for a gas storage tank. Background Technology

[0002] The air storage tank is a vertical / horizontal pressure vessel used for energy storage, pressure stabilization, cooling and dehydration, and aerodynamic shock buffering in compressed air systems. It can effectively reduce the energy consumption of air compressors, extend equipment life, and ensure stable air supply.

[0003] The front and rear openings of the gas storage tank are sealed by a front cover and a rear cover, respectively. The outer wall of the gas storage tank is equipped with accessories such as connectors and brackets to facilitate connection with other equipment.

[0004] Regarding the aforementioned technologies, the inventors believe that there are many parts that need to be welded on the gas storage tank, and the existing welding fixtures cannot position and weld all the parts at once, requiring multiple clamping and welding, resulting in low welding efficiency. Therefore, there are certain areas for improvement. Utility Model Content

[0005] To improve welding efficiency, this application provides a double-headed fixed welding fixture for gas storage tanks.

[0006] The technical solution for the double-headed fixed welding fixture for a gas storage tank provided in this application is as follows:

[0007] A double-ended fixed welding fixture for a gas storage tank includes a frame and a tank receiving seat mounted on the frame. Two tank positioning components are slidably mounted on the frame, and the two tank positioning components are slidably used to fix the two ends of the gas storage tank.

[0008] At least one support foot positioning component is provided on one side of the tank body receiving seat;

[0009] At least one bracket positioning component and at least one pipe positioning component are provided on the other side of the tank receiving seat.

[0010] Preferably, the tank positioning assembly includes a tank positioning base slidably mounted on the frame and a tank support plate fixed on the tank positioning base. The tank support plate is provided with at least two tank positioning cylinders, and each tank positioning cylinder has an inner support positioning block on its output rod. The outer wall shape of the inner support positioning block is adapted to the inner wall shape of the gas storage tank.

[0011] Preferably, the tank positioning base is provided with a joint positioning part;

[0012] The connector positioning part includes a connector positioning cylinder fixed on the tank positioning base. A guide plate is provided on the tank positioning base. A connector positioning rod is coaxially mounted on the output rod of the connector positioning cylinder. The connector positioning rod is slidably mounted on the guide plate. The connector positioning rod is used for connector sleeve connection. A connector fixing part is provided at the end of the connector positioning rod.

[0013] Preferably, the connector fixing part includes a fixing end and a fixing sleeve. The fixing end is disposed at the end of the connector positioning rod. A fixing ring groove is formed on the fixing end. A fixing groove is formed on the fixing sleeve. The fixing sleeve is fitted onto the fixing end through the fixing groove and the fixing ring groove.

[0014] Preferably, the frame is provided with a drive cylinder for driving the tank positioning assembly to slide.

[0015] Preferably, the support leg positioning assembly includes a support leg rod vertically mounted on the frame and a support leg positioning cylinder fixed on the support leg rod. The output rod of the support leg positioning cylinder is provided with a support leg positioning frame, and the support leg positioning frame is provided with a connecting plate positioning part.

[0016] Preferably, the connecting plate positioning part includes a connecting bracket disposed on the support leg positioning frame and a connecting plate positioning cylinder disposed on the connecting bracket. The output rod of the connecting plate positioning cylinder is provided with a first connecting plate positioning block, and the first connecting plate positioning block is provided with a first positioning groove.

[0017] The tank positioning base is provided with a second connecting plate positioning block, and the second connecting plate positioning block is provided with a second positioning groove, which is positioned opposite to the first positioning groove.

[0018] Preferably, the bracket positioning assembly includes a bracket support rod vertically mounted on the frame and a bracket positioning cylinder fixed on the bracket support rod, wherein a bracket positioning frame is provided on the output rod of the bracket positioning cylinder.

[0019] Preferably, the bracket positioning frame is provided with multiple bracket positioning columns.

[0020] Preferably, the pipe positioning assembly includes a pipe positioning cylinder fixed on the frame, a pipe positioning plate is provided on the output rod of the pipe positioning cylinder, a pipe positioning rod is inserted into the pipe positioning plate, and a threaded connection section is provided at the end of the pipe positioning rod.

[0021] In summary, this application includes at least one of the following beneficial technical effects:

[0022] This application places a semi-finished gas storage tank on a tank support. The tank positioning assembly slides and fixes both ends of the gas storage tank. Then, the support leg positioning assembly positions the bottom support leg of the gas storage tank on the outer wall of the gas storage tank, the bracket positioning assembly positions the top bracket of the gas storage tank on the outer wall of the gas storage tank, and the pipe fitting positioning assembly positions the connecting pipe fittings of the gas storage tank on the outer wall of the gas storage tank. Thus, the welding equipment can sequentially weld the bottom support leg, the top bracket, and the connecting pipe fittings to the outer wall of the gas storage tank without repeatedly clamping and welding the gas storage tank, thereby effectively improving the welding efficiency of the accessories on the gas storage tank. Attached Figure Description

[0023] Figure 1 This is the first installation diagram of the gas storage tank in the double-head fixed welding fixture.

[0024] Figure 2 This is the second installation diagram of the gas storage tank in the double-headed fixed welding fixture.

[0025] Figure 3 This is a schematic diagram of the double-headed fixed welding fixture for the gas storage tank.

[0026] Figure 4 This is a structural schematic diagram of the tank positioning component.

[0027] Figure 5 This is a structural schematic diagram of the connector positioning part.

[0028] Figure 6 This is a schematic diagram of the support leg positioning component.

[0029] Figure 7 This is a structural schematic diagram of the bracket positioning component.

[0030] Figure 8 This is a structural schematic diagram of the pipe positioning assembly.

[0031] Explanation of reference numerals in the attached drawings: 1. Frame; 2. Tank receiving seat; 3. Tank receiving groove; 4. Tank positioning assembly; 41. Tank positioning base; 42. Tank support plate; 43. Tank positioning cylinder; 44. Inner support positioning block; 5. Drive cylinder; 6. Joint positioning part; 61. Joint positioning cylinder; 62. Guide plate; 63. Joint positioning rod; 64. Joint fixing part; 641. Fixing end; 642. Fixing sleeve; 643. Fixing ring groove; 644. Fixing groove; 7. Support leg positioning assembly; 71. Support leg support rod; 72. Support leg 73. Positioning cylinder; 74. Support leg positioning bracket; 75. Connecting plate positioning part; 76. Connecting bracket; 77. Connecting plate positioning cylinder; 78. First connecting plate positioning block; 79. First positioning groove; 70. Second connecting plate positioning block; 71. Second positioning groove; 82. Bracket positioning assembly; 83. Bracket support rod; 84. Bracket positioning cylinder; 95. Bracket positioning frame; 86. Bracket positioning column; 97. Pipe fitting positioning assembly; 98. Pipe fitting positioning cylinder; 99. Pipe fitting positioning plate; 90. Pipe fitting positioning rod; 91. Threaded connection section. Detailed Implementation

[0032] The following is in conjunction with the appendix Figures 1-8 This application will be described in further detail.

[0033] A double-ended fixed welding fixture for a gas storage tank, as shown in the reference. Figure 1 and Figure 2 As shown, the device includes a frame 1 and two tank receiving seats 2 mounted on the frame 1. The two tank receiving seats 2 are spaced apart, and each tank receiving seat 2 has a tank receiving groove 3. The gas storage tank is placed on the tank receiving seat 2. In this embodiment, the gas storage tank is a semi-finished product. Neither end of the gas storage tank is sealed with end caps; both ends of the gas storage tank are open.

[0034] Two tank positioning components 4 are slidably mounted on the frame 1. The two tank positioning components 4 are slidably mounted to fix the openings at both ends of the gas storage tank.

[0035] Reference Figure 3 and Figure 4 As shown, the tank positioning assembly 4 includes a tank positioning base 41 slidably mounted on the frame 1 and a tank support plate 42 fixed on the tank positioning base 41. At least two tank positioning cylinders 43 are provided on the tank support plate 42. In one embodiment, two tank positioning cylinders 43 are provided. The extension and retraction direction of the output rods of the two tank positioning cylinders 43 is arranged horizontally. An inner support positioning block 44 is provided on the output rod of each tank positioning cylinder 43. The outer wall shape of the inner support positioning block 44 is adapted to the inner wall shape of the gas storage tank.

[0036] The frame 1 is provided with a drive cylinder 5 for driving the tank positioning assembly 4 to slide. In one embodiment, there are two drive cylinders 5. One drive cylinder 5 drives one tank positioning assembly 4 to slide. The cylinder body of the drive cylinder 5 is fixed on the frame 1, and the output rod of the drive cylinder 5 is connected to the tank positioning base 41 of the tank positioning assembly 4.

[0037] After the gas tank is placed on the tank support 2, the drive cylinder 5 drives the tank positioning base 41 to slide, and the inner support positioning block 44 is inserted into the end opening of the gas tank. The tank positioning cylinder 43 drives the inner support positioning block 44 to move, and the inner support positioning block 44 expands from the inside to the outside to fix the gas tank.

[0038] Furthermore, the outer wall shape of the inner support positioning block 44 is adapted to the inner wall shape of the gas storage tank. The inner support positioning block 44 can play the role of rounding the end of the gas storage tank, so as to facilitate the sealing of the end caps at both ends of the gas storage tank later.

[0039] Reference Figure 4 and Figure 5 As shown, a connector positioning part 6 is provided on the tank positioning base 41. The connector positioning part 6 includes a connector positioning cylinder 61 fixed on the tank positioning base 41, a guide plate 62 is provided on the tank positioning base 41, a connector positioning rod 63 is coaxially mounted on the output rod of the connector positioning cylinder 61, the connector positioning rod 63 is slidably mounted on the guide plate 62, the connector positioning rod 63 is used for connector sleeve, and a connector fixing part 64 is provided at the end of the connector positioning rod 63.

[0040] The connector fixing part 64 includes a fixing end 641 and a fixing sleeve 642. The fixing end 641 is located at the end of the connector positioning rod 63. A fixing ring groove 643 is provided on the fixing end 641, and a fixing groove 644 is provided on the fixing sleeve 642. The fixing sleeve 642 is fitted onto the fixing end 641 by engaging with the fixing ring groove 643 through the fixing groove 644.

[0041] A connector needs to be installed on the outer wall of the gas storage tank. The connector is used to connect components such as drain pipes. The gas storage tank has a through hole in the corresponding position. After the gas storage tank is positioned and fixed by the inner support positioning block 44, the connector positioning rod 63 of the connector positioning part 6 faces the through hole of the gas storage tank. The connector positioning cylinder 61 can then pass the connector positioning rod 63 through the through hole to extend it outside the gas storage tank. After the connector is sleeved on the connector positioning rod 63 and the connector fixing part 64 limits the connector to prevent it from falling off, the connector positioning cylinder 61 retracts and tightens the connector on the outer wall of the gas storage tank.

[0042] Reference Figure 3 and Figure 6 As shown, at least one foot positioning component 7 is provided on one side of the tank receiving seat 2. In one embodiment, two foot positioning components 7 are provided, and the foot positioning components 7 are used to install the bottom feet of the gas storage tank.

[0043] The support leg positioning assembly 7 includes a support leg support rod 71 vertically mounted on the frame 1 and a support leg positioning cylinder 72 fixed to the support leg support rod 71. The output rod of the support leg positioning cylinder 72 faces the outer wall of the gas storage tank. A support leg positioning frame 73 is provided on the output rod of the support leg positioning cylinder 72. The support leg positioning frame 73 is used to accommodate the bottom support leg of the gas storage tank. At least one magnet (not shown in the figure) is provided in the support leg positioning frame 73. The magnet is used to improve the placement stability of the bottom support leg in the support leg positioning frame 73.

[0044] The support leg positioning frame 73 is provided with a connecting plate positioning part 74, which is used to accommodate the connecting plate between the bottom support leg and the outer wall of the gas storage tank. The connecting plate is located between the outer wall of the gas storage tank and the support leg positioning frame 73. There are two connecting plate positioning parts 74, which are located at the upper and lower positions of the support leg positioning frame 73.

[0045] The connecting plate positioning part 74 includes a connecting bracket 741 mounted on the support leg positioning frame 73, and a connecting plate positioning cylinder 742 mounted on the connecting bracket 741. A first connecting plate positioning block 743 is mounted on the output rod of the connecting plate positioning cylinder 742, and a first positioning groove 744 is mounted on the first connecting plate positioning block 743. A second connecting plate positioning block 745 is mounted on the tank positioning base 41, and a second positioning groove 746 is mounted on the second connecting plate positioning block 745, with the second positioning groove 746 positioned opposite to the first positioning groove 744.

[0046] Therefore, after the tank positioning component 4 positions the gas tank, one end of the connecting plate is fitted into the second positioning groove 746 of the second connecting plate positioning block 745. Then, the foot positioning cylinder 72 drives the foot positioning frame 73 to move, and the bottom foot abuts against the connecting plate. The connecting plate positioning cylinder 742 drives the first connecting plate positioning block 743 to move, and the first positioning groove 744 on the first connecting plate positioning block 743 is fitted into the other end of the connecting plate, thereby realizing that the bottom foot and the connecting plate are pressed and positioned on the outer wall of the gas tank.

[0047] Reference Figure 3 and Figure 7As shown, at least one bracket positioning assembly 8 is provided on the other side of the tank receiving seat 2. The bracket positioning assembly 8 includes a bracket support rod 81 vertically mounted on the frame 1 and a bracket positioning cylinder 82 fixed on the bracket support rod 81. The output rod of the bracket positioning cylinder 82 faces the gas storage tank side, and a bracket positioning frame 83 is provided on the output rod of the bracket positioning cylinder 82. The bracket positioning frame 83 is provided with multiple bracket positioning posts 84 and is used to accommodate the top bracket of the gas storage tank. At least one magnet (not shown in the figure) is provided in the bracket positioning frame 83 to improve the stability of the top bracket when placed in the bracket positioning frame 83.

[0048] In one embodiment, two support positioning components 8 are provided, and at least one pipe positioning component 9 is also provided on the other side of the tank receiving seat 2, with the pipe positioning component 9 positioned between the support positioning components 8. The pipe positioning component 9 is used to position the connecting pipes of the gas storage tank, and the connecting pipes include an inlet pipe or an outlet pipe.

[0049] Reference Figure 3 and Figure 8 As shown, the pipe positioning assembly 9 includes a pipe positioning cylinder 91 fixed on the frame 1. A pipe positioning plate 92 is provided on the output rod of the pipe positioning cylinder 91. The pipe positioning plate 92 is arranged vertically, and a pipe positioning rod 93 is inserted into the pipe positioning plate 92. The end of the pipe positioning rod 93 is provided with a threaded connection section 94. The pipe opening of the gas tank connecting pipe is provided with an internal thread, and the connecting pipe is threadedly connected to the threaded connection section 94 of the pipe positioning rod 93. After the gas tank connecting pipe is installed, the pipe positioning cylinder 91 can press the connecting pipe into the corresponding installation position on the gas tank.

[0050] In this application, the support positioning component 7 is used to position the bottom support of the gas storage tank on the outer wall of the gas storage tank, the bracket positioning component 8 is used to position the top bracket of the gas storage tank on the outer wall of the gas storage tank, and the pipe positioning component 9 is used to position the connecting pipe of the gas storage tank on the outer wall of the gas storage tank. Thus, the welding equipment can sequentially weld the bottom support, the top bracket, and the connecting pipe to the outer wall of the gas storage tank without repeatedly clamping and welding the gas storage tank, thereby effectively improving the welding efficiency of the accessories on the gas storage tank.

[0051] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A double-ended fixed welding fixture for a gas storage tank, characterized in that, Includes a frame (1) and a tank receiving seat (2) disposed on the frame (1). Two tank positioning components (4) are slidably mounted on the frame (1). The two tank positioning components (4) are slidably used to fix the two ends of the gas storage tank. At least one support foot positioning component (7) is provided on one side of the tank body receiving seat (2); At least one bracket positioning assembly (8) and at least one pipe positioning assembly (9) are provided on the other side of the tank receiving seat (2).

2. The double-headed fixed welding fixture for a gas storage tank according to claim 1, characterized in that, The tank positioning assembly (4) includes a tank positioning base (41) slidably mounted on the frame (1) and a tank support plate (42) fixed on the tank positioning base (41). At least two tank positioning cylinders (43) are provided on the tank support plate (42). Each tank positioning cylinder (43) has an inner support positioning block (44) on its output rod. The outer wall shape of the inner support positioning block (44) is adapted to the inner wall shape of the gas storage tank.

3. The double-headed fixed welding fixture for a gas storage tank according to claim 2, characterized in that, The tank positioning base (41) is provided with a joint positioning part (6); The connector positioning part (6) includes a connector positioning cylinder (61) fixed on the tank positioning base (41). A guide plate (62) is provided on the tank positioning base (41). A connector positioning rod (63) is coaxially mounted on the output rod of the connector positioning cylinder (61). The connector positioning rod (63) is slidably mounted on the guide plate (62). The connector positioning rod (63) is used for connector sleeve connection. A connector fixing part (64) is provided at the end of the connector positioning rod (63).

4. The double-headed fixed welding fixture for a gas storage tank according to claim 3, characterized in that, The connector fixing part (64) includes a fixing end (641) and a fixing sleeve (642). The fixing end (641) is disposed at the end of the connector positioning rod (63). A fixing ring groove (643) is provided on the fixing end (641), and a fixing groove (644) is provided on the fixing sleeve (642). The fixing sleeve (642) is fitted and cooperated with the fixing ring groove (643) through the fixing groove (644) to be sleeved on the fixing end (641).

5. The double-headed fixed welding fixture for a gas storage tank according to claim 1, characterized in that, The frame (1) is provided with a drive cylinder (5) for driving the tank positioning assembly (4) to slide.

6. The double-headed fixed welding fixture for a gas storage tank according to claim 2, characterized in that, The foot positioning assembly (7) includes a foot support rod (71) vertically mounted on the frame (1) and a foot positioning cylinder (72) fixed on the foot support rod (71). The output rod of the foot positioning cylinder (72) is provided with a foot positioning frame (73), and the foot positioning frame (73) is provided with a connecting plate positioning part (74).

7. The double-headed fixed welding fixture for a gas storage tank according to claim 6, characterized in that, The connecting plate positioning part (74) includes a connecting bracket (741) disposed on the support leg positioning frame (73) and a connecting plate positioning cylinder (742) disposed on the connecting bracket (741). A first connecting plate positioning block (743) is disposed on the output rod of the connecting plate positioning cylinder (742), and a first positioning groove (744) is disposed on the first connecting plate positioning block (743). The tank positioning base (41) is provided with a second connecting plate positioning block (745), and the second connecting plate positioning block (745) is provided with a second positioning groove (746), which is opposite to the first positioning groove (744).

8. The double-headed fixed welding fixture for a gas storage tank according to claim 1, characterized in that, The bracket positioning assembly (8) includes a bracket support rod (81) vertically mounted on the frame (1) and a bracket positioning cylinder (82) fixed on the bracket support rod (81). A bracket positioning frame (83) is provided on the output rod of the bracket positioning cylinder (82).

9. The double-headed fixed welding fixture for a gas storage tank according to claim 8, characterized in that, The bracket positioning frame (83) is provided with multiple bracket positioning columns (84).

10. The double-headed fixed welding fixture for a gas storage tank according to claim 1, characterized in that, The pipe positioning assembly (9) includes a pipe positioning cylinder (91) fixed on the frame (1). A pipe positioning plate (92) is provided on the output rod of the pipe positioning cylinder (91). A pipe positioning rod (93) is inserted into the pipe positioning plate (92). A threaded connection section (94) is provided at the end of the pipe positioning rod (93).