LNG fuel tank welding support device

Abstract

The utility model relates to the technical field of LNG fuel tank welding, especially to a LNG fuel tank welding supporting device, which comprises a base and two supporting assemblies, the base is provided with adjusting grooves for the movement of the two supporting assemblies towards or away from each other, the supporting assemblies move through displacement devices, the supporting assemblies comprise adjusting seats and supporting wheels arranged on the adjusting seats, the adjusting seat is T-shaped, the upper surface of the adjusting seat is hingedly connected with arc-shaped supporting rods at both ends, the supporting wheels are driven to rotate by rotary motors, the LNG fuel tank welding supporting device further comprises oil cylinders, the cylinder bodies of the oil cylinders are hingedly connected with the adjusting seats, the piston rods of all the oil cylinders are hingedly connected with the free ends of the arc-shaped supporting rods, the free ends of the arc-shaped supporting rods are provided with limiting wheels, the displacement devices comprise threaded holes formed in the adjusting grooves after the lower ends of the adjusting seats pass through the adjusting grooves, screw rods threaded in the threaded holes, and forward-reverse motors for driving the screw rods to rotate. The LNG fuel tank welding supporting device can support LNG fuel tanks of different sizes through the supporting wheels and the limiting wheels, and the stability of the LNG fuel tanks during placement and rotation is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to LNG fuel tank welding technical field especially relates to a LNG fuel tank welding support device. BACKGROUND

[0002] At present, with the wide application of LNG (liquefied natural gas) as clean energy, the demand for LNG fuel tank is increasing. In the welding process of LNG (liquefied natural gas) fuel tank, a support device is needed to ensure the accuracy and safety of welding. Because the LNG fuel tank is large in volume and heavy in weight, and stable support is needed in the welding process, it is particularly important to design a support device that can be adjusted, stably supported and flexibly adapted to different welding requirements. The traditional support device often has the problems of inconvenient adjustment and insufficient support stability, and cannot meet the high standard requirements of LNG fuel tank welding. SUMMARY

[0003] Therefore, in view of the above problems, the utility model provides a LNG fuel tank welding support device.

[0004] To achieve the above purpose, the utility model adopts the following technical scheme: a LNG fuel tank welding support device, including base and two support components, the base is opened with the adjusting groove that two support components move towards or apart, the support component realizes movement through displacement device, the support component includes the adjusting seat and the support wheel that sets on the adjusting seat, the adjusting seat is T-shaped, the upper surface both ends of the adjusting seat are respectively hinged with arc support rod, the support wheel is driven rotation through rotating motor, still include oil cylinder, the cylinder body of oil cylinder is hinged with adjusting seat, all oil cylinder's piston rod is hinged with the free end of arc support rod, and the free end of arc support rod is equipped with limit wheel, the displacement device includes the threaded hole that the adjusting seat lower end passes through adjusting groove is opened, the screw rod that is spirally worn in threaded hole and the positive and negative rotation motor that drives the rotation of screw rod.

[0005] Further improvement, the adjusting seat is provided with a sliding wheel on the side in contact with the upper surface of the base.

[0006] Further improvement, the adjusting groove movably provides a plurality of auxiliary wheels between the two support components, and the support points of the auxiliary wheels and the support points of the support wheels are located in the same plane.

[0007] Further improvement, the outer surfaces of the support wheels, limit wheels and auxiliary wheels are all sleeved with anti-skid sleeves.

[0008] The utility model discloses the beneficial effect is: the utility model discloses simple structure, convenient operation, its through the setting of support wheel and limit wheel structure, can adapt to the support of the LNG fuel tank of different size, improve its stability of placing and rotating, through the structural setting of auxiliary wheel, further improved the support stability of this device, especially suitable for the storage of longer LNG fuel tank body, through the setting of sliding wheel, reduced the friction resistance of adjusting seat in the moving process, make the movement of support assembly more smooth, improve the adjustment efficiency and precision, the setting of antiskid cover, guarantee its transmission stability, avoid the scratch of the surface of tank body simultaneously. BRIEF DESCRIPTION OF DRAWINGS

[0009] Fig. 1 It is the structure schematic diagram of the utility model;

[0010] Fig. 2 It is the bottom surface structure schematic diagram of the utility model;

[0011] Fig. 3 It is the side surface structure schematic diagram of the utility model.

[0012] Icon:

[0013] 1, base, 11, adjusting groove, 21, adjusting seat, 22, support wheel, 23, arc support pole, 24, drive motor, 25, oil cylinder, 26, limit wheel, 31, forward and reverse motor, 32, screw hole, 33, screw rod, 4, auxiliary wheel, 41, T-shaped block. DETAILED DESCRIPTION

[0014] The utility model is further explained in combination with the drawings and specific embodiment.

[0015] Reference Figs. 1-3The embodiment provides a LNG fuel tank welding support device, which comprises a base 1 and two support assemblies, the base 1 is provided with adjusting grooves 11 for the movement of the two support assemblies towards or away from each other, the support assemblies are moved through displacement devices, the support assembly comprises an adjusting seat 21 and a support wheel 22 arranged on the adjusting seat 21, the adjusting seat 21 is T-shaped, arc-shaped supporting rods 23 are hinged to the two ends of the upper surface of the adjusting seat 21 respectively, the support wheel 22 is driven to rotate through a rotating motor, and the device further comprises oil cylinders 25, the cylinder bodies of the oil cylinders 25 are hinged to the adjusting seat 21, the piston rods of all the oil cylinders 25 are hinged to the free ends of the arc-shaped supporting rods 23, the free ends of the arc-shaped supporting rods 23 are provided with limiting wheels 26, the displacement device comprises screw holes 32 formed in the adjusting grooves 11 after the lower ends of the adjusting seats 21 pass through the adjusting grooves 11, screw rods 33 threadedly arranged in the screw holes 32 and forward-reverse rotation motors 31 for driving the screw rods 33 to rotate, the screw threads of the screw holes 32 on the two support assemblies are opposite, when the interval between the two support assemblies needs to be adjusted, the forward-reverse rotation motor 31 is driven, so that the screw rod 33 rotates, and thus the interval between the two support assemblies is adjusted.

[0016] Meanwhile, in order to reduce the frictional resistance of the adjusting seat 21 during movement, the movement of the support assembly is smoother, and the adjusting efficiency and accuracy are improved, and the adjusting seat 21 is provided with sliding wheels on the side in contact with the upper surface of the base 1.

[0017] In the embodiment, a plurality of auxiliary wheels 4 are movably arranged between the two support assemblies, the supporting points of the auxiliary wheels 4 and the supporting points of the support wheels 22 are located in the same plane, specifically, each auxiliary wheel 4 is inserted into the adjusting groove 11 of the base 1 through a T-shaped block 41, and the number of the auxiliary wheels 4 is adaptively adjusted according to the interval between the two support assemblies.

[0018] In the embodiment, the outer surfaces of the support wheels 22, the limiting wheels 26 and the auxiliary wheels 4 are all sleeved with anti-skid sleeves, the anti-skid sleeves can avoid sliding between the support wheels 22, the limiting wheels 26 and the auxiliary wheels 4, guarantee the stability of transmission, and also avoid damaging the surface of the tank body by the support wheels 22, the limiting wheels 26 and the auxiliary wheels 4.

[0019] Although the utility model is specifically shown and introduced in combination with the preferred embodiment, those skilled in the art should understand that various changes can be made to the utility model in form and details without departing from the spirit and scope of the utility model defined in the appended claims, and all the changes are within the protection scope of the utility model.

Claims

1. An LNG fuel tank welding support apparatus, characterized by: The adjusting seat is provided with sliding wheels on the side in contact with the upper surface of the base.

2. The LNG fuel tank welding support apparatus according to claim 1, characterized by: The adjusting groove movably provides a plurality of auxiliary wheels between the two support assemblies, the support points of the auxiliary wheels and the support points of the support wheels are located in the same plane.

3. The LNG fuel tank welding support apparatus according to claim 1, characterized in that: The outer surfaces of the support wheels, the limiting wheels and the auxiliary wheels are all provided with anti-skid sleeves.

4. The LNG fuel tank welding support apparatus according to claim 3, characterized in that: ​

Images