LNG (Liquefied Natural Gas) cylinder suitable for large vehicle

Abstract

The utility model relates to the technical field of LNG (liquefied natural gas) cylinders, and discloses an LNG cylinder suitable for large vehicles, which comprises a frame I. The outer wall of the frame I is fixedly connected with a hydraulic cylinder, the output end of the hydraulic cylinder is fixedly connected with a rack, the inside of the rack is slidably connected with a slide rail, the lower surface of the slide rail is fixedly connected to the inner wall of the frame I, and the lower surface of the slide rail is fixedly connected to the inner wall of the frame II. The outer wall of the rack is connected with a gear in a meshed mode, a lead screw is fixedly connected into the gear, the two ends of the lead screw are rotatably connected into the first frame, the outer wall of the lead screw is in threaded connection with a moving block, and the outer wall of the moving block is slidably connected to the inner wall of the first frame. According to the gas cylinder clamping device, the hydraulic cylinder is opened to drive the gear to rotate through the rack, so that the moving block is driven to slide through the lead screw, the gas cylinder is rapidly clamped and fixed through sliding of the clamping plates, the mounting method is simplified, the number of workers and the tool requirement are reduced, and the effect of shortening the mounting and dismounting time is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of LNG gas cylinders, in particular to an LNG gas cylinder suitable for large vehicles. Background Art

[0002] LNG cylinders (liquefied natural gas cylinders) are containers specifically designed for the storage and transportation of liquefied natural gas (LNG). LNG is an energy source made by condensing natural gas into a liquid form through ultra-low temperature processing. LNG cylinders are typically used in large vehicles to replace traditional diesel fuel in long-distance transport and heavy-duty vehicles, providing a cleaner and more efficient energy option.

[0003] Currently, most LNG cylinder installation methods involve many steps, usually requiring collaboration among multiple workers and requiring additional tools. This takes a long time to complete cylinder installation and removal, making it difficult to quickly replace cylinders, impacting installation and removal time. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides an LNG gas cylinder suitable for large vehicles, aiming to improve the problem that the gas cylinder installation operation has many steps, requires multiple workers to use multiple tools to collaborate, and affects the installation and disassembly time.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] The LNG gas cylinder suitable for large vehicles includes a frame one, the outer wall of the frame one is fixedly connected to a hydraulic cylinder, the output end of the hydraulic cylinder is fixedly connected to a rack, the rack is internally slidably connected to a slide rail, the lower surface of the slide rail is fixedly connected to the inner wall of the frame one, the outer wall of the rack is meshed with a gear, the gear is internally fixedly connected to a screw rod, both ends of the screw rod are rotatably connected to the inside of the frame one, the outer wall of the screw rod is threadedly connected to a moving block, the outer wall of the moving block is slidably connected to the inner wall of the frame one, the upper surface of the moving block is fixedly connected to a splint, the outer wall of the splint is provided with a gas cylinder body, the lower surface of the gas cylinder body is provided on the upper surface of the frame one, the outer wall of the gas cylinder body is provided with a fixed plate, the lower surface of the fixed plate is fixedly connected to the upper surface of the frame one, and the lower surface of the frame one is provided with a support assembly, and the support assembly is used to support the lifting of the frame one.

[0007] Preferably, the support assembly includes a lifting plate, the lower surface of the frame 1 is fixedly connected to the upper surface of the lifting plate, the outer wall of the lifting plate is fixedly connected to a lifting block, and the outer wall of the lifting block is rotatably connected to a pulley set.

[0008] Preferably, a bottom plate is provided on the lower surface of the lifting plate, an outer wall of the bottom plate is fixedly connected to frame 2, an outer wall of frame 2 is fixedly connected to a motor, and an output end of the motor is fixedly connected to a worm.

[0009] Preferably, the outer wall of the worm is meshedly connected to a worm wheel, the interior of the worm wheel is fixedly connected to a winding column, and the outer wall of the winding column is rotatably connected to the interior of the base plate.

[0010] Preferably, a cable is provided on the outer wall of the winding column, a fixed pulley 1 is provided on the outer wall of the cable, and the lower surface of the fixed pulley 1 is fixedly connected to the inner wall of the bottom plate.

[0011] Preferably, a support frame is provided on the outer wall of the cable, and the lower surface of the support frame is fixedly connected to the upper surface of the base plate.

[0012] Preferably, a sliding column is fixedly connected to the outer wall of the support frame, and the outer wall of the sliding column is slidably connected to the outer wall of the pulley assembly.

[0013] Preferably, a second fixed pulley is provided on the outer wall of the cable, the lower surface of the second fixed pulley is fixedly connected to the upper surface of the support frame, and the outer wall of the cable is provided on the upper surface of the lifting block.

[0014] The utility model has the following beneficial effects:

[0015] 1. In the utility model, the hydraulic cylinder is opened, and the rack drives the gear to rotate, thereby driving the moving block to slide through the screw rod, and then the gas cylinder is quickly clamped and fixed by sliding the clamping plate, which simplifies the installation method, reduces the number of workers and tool requirements, and achieves the effect of shortening the installation and disassembly time.

[0016] 2. In the present invention, the motor is turned on so that the worm gear is driven to rotate through the worm, thereby retracting and releasing the cable through the winding column, and then driving the lifting block to move up and down, and the lifting block will drive the lifting plate to move up and down, so that workers can dismantle the double-layer gas cylinder from a low place, reducing the difficulty and safety risks of manual operation and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the three-dimensional structure of the LNG gas cylinder suitable for large vehicles proposed in the utility model;

[0018] Figure 2 This is a partial schematic diagram of the gear structure of the LNG gas cylinder suitable for large vehicles proposed in the present invention;

[0019] Figure 3 This is a partial schematic diagram of the worm structure of the LNG gas cylinder suitable for large vehicles proposed in the utility model;

[0020] Figure 4 This is a partial schematic diagram of the cable structure of the LNG gas cylinder suitable for large vehicles proposed by the present invention.

[0021] Legend:

[0022] 1. Frame 1; 2. Hydraulic cylinder; 3. Rack; 4. Slide rail; 5. Gear; 6. Screw; 7. Moving block; 8. Clamp; 9. Cylinder body; 10. Fixed plate; 11. Lifting plate; 12. Lifting block; 13. Pulley block; 14. Bottom plate; 15. Frame 2; 16. Motor; 17. Worm; 18. Worm gear; 19. Winding column; 20. Cable; 21. Fixed pulley 1; 22. Support frame; 23. Sliding column; 24. Fixed pulley 2. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings of the specification of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] Reference Figure 1-Figure 2 The utility model provides an embodiment of an LNG gas cylinder suitable for large vehicles, comprising a frame 1, an outer wall of the frame 1 is fixedly connected to a hydraulic cylinder 2, an output end of the hydraulic cylinder 2 is fixedly connected to a rack 3, an internal sliding connection of the rack 3 is provided with a slide rail 4, the lower surface of the slide rail 4 is fixedly connected to the inner wall of the frame 1, an outer wall of the rack 3 is meshed with a gear 5, an internal fixed connection of the gear 5 is provided with a screw rod 6, both ends of the screw rod 6 are rotatably connected to the interior of the frame 1, an outer wall of the screw rod 6 is threadedly connected to a moving block 7, an outer wall of the moving block 7 is slidably connected to the inner wall of the frame 1, an upper surface of the moving block 7 is fixedly connected to a splint 8, an outer wall of the splint 8 is provided with a gas cylinder body 9, the lower surface of the gas cylinder body 9 is provided on the upper surface of the frame 1, a fixing plate 10 is provided on the outer wall of the gas cylinder body 9, the lower surface of the fixing plate 10 is fixedly connected to the upper surface of the frame 1, a support assembly is provided on the lower surface of the frame 1, and the support assembly is used to support the lifting of the frame 1;

[0025] Specifically, the frame 1 can play the role of fixed support for the hydraulic cylinder 2. When the hydraulic cylinder 2 is turned on, the hydraulic cylinder 2 will drive the rack 3 to slide on the slide rail 4. The frame 1 can play the role of fixed support for the slide rail 4, and the sliding of the rack 3 will also drive the gear 5 to rotate, and the rotation of the gear 5 will drive the screw rod 6 to rotate inside the frame 1. When the screw rod 6 rotates, it will also drive the moving block 7 to slide, and the sliding of the moving block 7 will drive the splint 8 to slide, and when the splint 8 slides toward the gas cylinder body 9, the gas cylinder body 9 can slide toward the fixed plate 10. The frame 1 can play the role of fixed support for the fixed plate 10. Since the fixed plate 10 is fixed, the sliding of the splint 8 on the gas cylinder body 9 can squeeze the gas cylinder body 9, thereby achieving the effect of quickly fixing and clamping the gas cylinder body 9.

[0026] Reference Figure 1 The support assembly includes a lifting plate 11, the lower surface of the frame 1 is fixedly connected to the upper surface of the lifting plate 11, the outer wall of the lifting plate 11 is fixedly connected to the lifting block 12, and the outer wall of the lifting block 12 is rotatably connected to the pulley group 13;

[0027] Specifically, the frame 1 can be fixed on the lifting plate 11, and the lifting plate 11 can provide lifting support for the frame 1, and the lifting plate 11 can also provide fixed support for the lifting block 12, and the lifting block 12 can also support the pulley set 13.

[0028] Reference Figure 3-Figure 4 The lower surface of the lifting plate 11 is provided with a bottom plate 14, the outer wall of the bottom plate 14 is fixedly connected to a frame 2 15, the outer wall of the frame 2 15 is fixedly connected to a motor 16, and the output end of the motor 16 is fixedly connected to a worm 17; the outer wall of the worm 17 is meshedly connected to a worm wheel 18, the inside of the worm wheel 18 is fixedly connected to a winding column 19, and the outer wall of the winding column 19 is rotatably connected to the inside of the bottom plate 14; the outer wall of the winding column 19 is provided with a cable 20, and the outer wall of the cable 20 is provided with a fixed pulley 21, and the fixed pulley The lower surface of the wheel 1 21 is fixedly connected to the inner wall of the bottom plate 14; the outer wall of the cable 20 is provided with a support frame 22, and the lower surface of the support frame 22 is fixedly connected to the upper surface of the bottom plate 14; the outer wall of the support frame 22 is fixedly connected to the sliding column 23, and the outer wall of the sliding column 23 is slidably connected to the outer wall of the pulley group 13; the outer wall of the cable 20 is provided with a fixed pulley 24, and the lower surface of the fixed pulley 24 is fixedly connected to the upper surface of the support frame 22, and the outer wall of the cable 20 is provided on the upper surface of the lifting block 12;

[0029] Specifically, the bottom plate 14 can play the role of fixed support for the frame 2 15, and the frame 2 15 can also play the role of fixed support for the motor 16. When the motor 16 is turned on, the motor 16 will drive the worm 17 to rotate, and the rotation of the worm 17 will drive the worm wheel 18 to rotate, and the rotation of the worm wheel 18 will also drive the winding column 19 to rotate. At the same time, the rotation of the winding column 19 can wind the cable 20 to achieve the effect of winding. The cable 20 is wound through the winding column 19, so that the cable 20 passes through the fixed pulley 1 21 and is wound on the inner wall of the support frame 22. It is then driven by the fixed pulley 2 24 to move the lifting block 12 up and down, thereby driving the pulley group 13 on the slide The outer wall of the moving column 23 slides, and due to the sliding of the pulley group 13, the lifting block 12 can be supported when moving up and down, thereby ensuring the stability of the lifting block 12 when sliding up and down, and maintaining vertical lifting. At the same time, when the lifting block 12 slides, the lifting plate 11 will also slide up and down, so that it drives the frame 1 to slide up and down and then drives the gas cylinder body 9 to lift. When the lifting plate 11 drives the gas cylinder body 9 to rise to a high place, the frame 1 can be installed on the upper surface of the bottom plate 14, and then the gas cylinder body 9 can be installed, so as to achieve the effect of installing a double-layer gas cylinder body 9, so that it can be at a low place, and the double-layer gas cylinder body 9 can be quickly installed and disassembled without using additional mechanical lifting equipment.

[0030] Working principle: When the device needs to be used, first place the gas cylinder body 9 on the upper surface of the frame 1, then start the hydraulic cylinder 2, let the hydraulic cylinder 2 drive the rack 3 to slide on the slide rail 4, and the sliding of the rack 3 will also drive the gear 5 to rotate, and the rotation of the gear 5 will drive the screw rod 6 to rotate, and at the same time, the rotation of the screw rod 6 will also drive the moving block 7 to slide, thereby driving the splint 8 to slide, and then slide toward the gas cylinder body 9 through the splint 8, so that the gas cylinder body 9 slides toward the fixed plate 10, so as to achieve the effect of quickly clamping and fixing the gas cylinder body 9, and then start the motor 16, let the motor 16 drive the worm 17 to rotate, and the rotation of the worm 17 will drive the worm wheel 18 to rotate, and the rotation of the worm wheel 18 will also drive the winding column 19 to rotate, and at the same time, the rotation of the winding column 19 will The cable 20 drives the lifting block 12 to move up and down through the fixed pulley 1 21 and the fixed pulley 2 24, and the movement of the lifting block 12 drives the pulley group 13 to slide at the sliding column 23, and the sliding of the lifting block 12 also drives the lifting plate 11 to move up and down, thereby driving the frame 1 to move up and down, and then driving the gas cylinder body 9 to move up and down, that is, the device can not only simplify the installation method by quickly fixing and clamping the gas cylinder body 9, reduce the number of installation workers, reduce the equipment and tool requirements, and shorten the installation and disassembly time, but also can lift the gas cylinder body 9 so that workers can disassemble the double-layer gas cylinder from a low place without climbing high or using a lifting platform to disassemble the upper gas cylinder, reducing the difficulty and safety risks of manual operation, and achieving the effect of improving work efficiency.

[0031] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An LNG cylinder for a large vehicle, comprising a frame (1), characterized in that: The outer wall of the frame (1) is fixedly connected to a hydraulic cylinder (2), the output end of the hydraulic cylinder (2) is fixedly connected to a rack (3), the interior of the rack (3) is slidably connected to a slide rail (4), the lower surface of the slide rail (4) is fixedly connected to the inner wall of the frame (1), the outer wall of the rack (3) is meshedly connected to a gear (5), the interior of the gear (5) is fixedly connected to a screw rod (6), both ends of the screw rod (6) are rotatably connected to the interior of the frame (1), the outer wall of the screw rod (6) is threadedly connected to a moving block (7), the moving block (7) is fixedly connected to the outer wall of the screw rod (6), and the moving block (7) is fixedly connected to the outer wall of the screw rod (6). The outer wall of the block (7) is slidably connected to the inner wall of the frame (1), the upper surface of the movable block (7) is fixedly connected with a clamping plate (8), the outer wall of the clamping plate (8) is provided with a gas cylinder body (9), the lower surface of the gas cylinder body (9) is provided on the upper surface of the frame (1), the outer wall of the gas cylinder body (9) is provided with a fixing plate (10), the lower surface of the fixing plate (10) is fixedly connected to the upper surface of the frame (1), and the lower surface of the frame (1) is provided with a supporting assembly, and the supporting assembly is used to support the lifting of the frame (1).

2. The LNG cylinder suitable for large vehicles according to claim 1, characterized in that: The support assembly includes a lifting plate (11), the lower surface of the frame 1 (1) is fixedly connected to the upper surface of the lifting plate (11), the outer wall of the lifting plate (11) is fixedly connected to a lifting block (12), and the outer wall of the lifting block (12) is rotatably connected to a pulley group (13).

3. The LNG cylinder suitable for large vehicles according to claim 2, characterized in that: A bottom plate (14) is provided on the lower surface of the lifting plate (11), the outer wall of the bottom plate (14) is fixedly connected to a second frame (15), the outer wall of the second frame (15) is fixedly connected to a motor (16), and the output end of the motor (16) is fixedly connected to a worm (17).

4. The LNG cylinder suitable for large vehicles according to claim 3, characterized in that: The outer wall of the worm (17) is meshedly connected to a worm wheel (18), the interior of the worm wheel (18) is fixedly connected to a winding column (19), and the outer wall of the winding column (19) is rotatably connected to the interior of the bottom plate (14).

5. The LNG cylinder suitable for large vehicles according to claim 4, characterized in that: The outer wall of the winding column (19) is provided with a cable (20), and the outer wall of the cable (20) is provided with a fixed pulley (21), and the lower surface of the fixed pulley (21) is fixedly connected to the inner wall of the bottom plate (14).

6. The LNG cylinder suitable for large vehicles according to claim 5, characterized in that: A support frame (22) is provided on the outer wall of the cable (20), and the lower surface of the support frame (22) is fixedly connected to the upper surface of the bottom plate (14).

7. The LNG cylinder suitable for large vehicles according to claim 6, characterized in that: The outer wall of the support frame (22) is fixedly connected to a sliding column (23), and the outer wall of the sliding column (23) is slidably connected to the outer wall of the pulley block (13).

8. The LNG cylinder suitable for large vehicles according to claim 6, characterized in that: The outer wall of the cable (20) is provided with a second fixed pulley (24), the lower surface of the second fixed pulley (24) is fixedly connected to the upper surface of the support frame (22), and the outer wall of the cable (20) is provided on the upper surface of the lifting block (12).

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