Natural gas transportation device with leak-proof structure

Abstract

The utility model discloses a natural gas transportation device with a leakproof structure, which comprises a transportation vehicle frame, the right side end of the transportation vehicle frame is fixedly connected with a towing frame, the lower end of the transportation vehicle frame is symmetrically provided with mounting frames, and the lower ends of the mounting frames are provided with rollers; a protection frame is arranged on the upper end face of the transport vehicle frame, a tank positioning frame is slidably connected to the upper end of the protection frame, a supporting frame is fixed to the upper side of the rear end of the tank positioning frame, and a positioning plate is connected to the upper end of the supporting frame through a pin shaft to form a rotating structure. According to the natural gas transportation device with the leakproof structure, by arranging a multi-directional buffering and damping structure, vibration and jolt generated in the transportation process of a natural gas tank body can be effectively buffered and absorbed, and the situations that the natural gas tank body is deformed due to vibration and the valve end is loosened are prevented; the risk of leakage of the natural gas tank body in the transportation process can be effectively reduced, and a leakage detection structure is arranged in a matched mode, so that the leakage condition can be more effectively prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of natural gas transportation devices, in particular to a natural gas transportation device with an anti-leakage structure. Background Art

[0002] Liquefied natural gas, whose main component is methane, is recognized as the cleanest fossil energy on earth. It is colorless, odorless, non-toxic and non-corrosive. Its volume is about 1 / 625 of the volume of the same amount of gaseous natural gas, and the mass of liquefied natural gas is only about 45% of the same volume of water. Its manufacturing process is to purify the natural gas produced by the gas field first, and then transport it by liquefied natural gas ship after a series of ultra-low temperature liquefaction. After burning, liquefied natural gas causes very little air pollution and releases a lot of heat, so liquefied natural gas is a relatively advanced energy source, but natural gas has certain risks, and leak-proof transportation equipment needs to be used during transportation.

[0003] There is an existing Chinese patent publication number CN213118462U for an anti-leakage transportation device for LNG gas tanks, which includes a vehicle body, a plurality of fixing seats are provided on the vehicle body, the LNG gas storage tank is arranged on the fixing seats, a locking rod is provided on an upper rod body on the vehicle body, a plurality of clamping grooves are provided on the locking rod, the clamping grooves are clamped on the LNG gas storage tank, both ends of the locking rod are connected to the upper rod body, an anti-leakage box is provided at the end of the vehicle body, and the gas delivery nozzle of the LNG gas storage tank is arranged inside the anti-leakage box; however, the existing anti-leakage transportation device for gas tanks does not have a buffering and shock-absorbing structure. If the road surface is uneven during transportation, bumps and vibrations will occur, and the gas tank will be deformed after transportation, and if the vibration and bumps are severe, the risk of leakage will also be easily increased.

[0004] Therefore, we propose a natural gas transportation device with a leak-proof structure to solve the above-mentioned problems. Utility Model Content

[0005] The purpose of the utility model is to provide a natural gas transportation device with an anti-leakage structure to solve the problem that the existing gas tank transportation device proposed in the above background technology cannot provide effective shock absorption and buffering when in use, which will cause vibration and bumps during transportation, increase the risk of leakage in gas tank transportation, and also easily cause the risk of damage to the gas tank.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a natural gas transportation device with a leak-proof structure, comprising a transportation frame:

[0007] The right end of the transport frame is fixedly connected to a towing frame, and the lower end of the transport frame is symmetrically provided with a mounting frame, and the lower end of the mounting frame is provided with a roller; the upper end surface of the transport frame is provided with a protective frame, and the upper end of the protective frame is slidably connected to a tank positioning frame;

[0008] A support frame is fixed on the upper side of the rear end of the tank body positioning frame, and a pin shaft on the upper end of the support frame is connected to a positioning plate to form a rotating structure;

[0009] The right end of the protection frame is fixed with an anti-leakage box, the upper end of the anti-leakage box is hingedly connected with a sealing cover, and the left ends of the anti-leakage box and the sealing cover are both provided with engaging grooves.

[0010] Preferably, two groups of the tank body positioning frames are provided, and the tank body positioning frames are symmetrically distributed up and down, and the upper end of the upper tank body positioning frame is slidably connected to the positioning plate, and the opposite sides of the two groups of the tank body positioning frames are snap-connected.

[0011] By adopting the above technical solution, the natural gas tank can be positioned and engaged conveniently through two sets of tank positioning frames, and the positioning plate can position the tank positioning frame at the upper end.

[0012] Preferably, the two groups of the tank body positioning frames have positioning grooves on opposite sides, and the positioning grooves are distributed in an equidistant array, and the two groups of positioning grooves form a circular structure design, the inner wall of the positioning groove is connected with a buffer gasket, and the buffer gasket is made of rubber, and the two groups of positioning grooves are engaged and connected with the natural gas tank body;

[0013] A positioning tube is fixed on the upper end of the protection frame, a positioning bolt is fixed on the front end of the positioning plate, and the lower end of the positioning bolt passes through the positioning tube and is threadedly connected thereto.

[0014] By adopting the above technical solution, through the cooperation of the positioning tube and the positioning bolt, the position of the positioning plate can be fixed after it is rotated to a horizontal state. At the same time, the buffer gasket on the inner wall of the positioning groove can improve the clamping stability of the natural gas tank.

[0015] Preferably, a sliding guide rod penetrates the lower end of the tank body positioning frame, and second buffer springs penetrate both ends of the sliding guide rod, and both ends of the sliding guide rod are fixedly connected to the protective frame.

[0016] By adopting the above technical solution, the activity stability of the lower tank positioning frame can be improved through the sliding guide rod and the cooperation. At the same time, the second buffer springs passing through both ends of the sliding guide rod can buffer the vibration of the tank positioning frame in the horizontal direction.

[0017] Preferably, positioning blocks are fixed to the upper ends of the front and rear sides of the protective frame, and a sliding limit rod passes through the interior of the positioning block, the front and rear ends of the protective frame pass through the interior of the positioning block, and the lower end of the sliding limit rod passes through the protective frame, and a first buffer spring passes through the lower end of the sliding limit rod, and the upper and lower ends of the first buffer spring are respectively fixedly connected to the protective frame and the inner wall of the positioning block.

[0018] By adopting the above technical solution, the vertical moving track of the protective frame can be limited by the sliding limit rod, and the lower end of the protective frame can be supported by the first buffer spring, and the first buffer spring can buffer the vibration generated by the protective frame in the vertical direction.

[0019] Preferably, the interior of the engaging groove is engaged with the natural gas tank body, and a leakage detection sensor is embedded and installed on the upper end of the sealing cover, and the leakage detection sensors are distributed in an equidistant array.

[0020] By adopting the above technical solution, the valve end of the natural gas tank can be sealed by setting a sealing cover and a leak-proof box, and the inside of the tank can be detected by a leak detection sensor. If a leak occurs at the valve end, the inside of the tank can be effectively detected to prevent leakage of the valve due to vibration.

[0021] Compared with the prior art, the beneficial effects of the utility model are: the natural gas transportation device with a leak-proof structure;

[0022] 1. By setting up a multi-directional buffer shock-absorbing structure, it can effectively buffer and absorb the vibration and bumps generated during the transportation of the natural gas tank, prevent the natural gas tank from being deformed due to vibration and the valve end from being loosened, and can effectively reduce the risk of leakage of the natural gas tank during transportation. In addition, with the leakage detection structure, it can more effectively prevent leakage;

[0023] 2. By setting up two sets of tank positioning frames, they can be clamped and fixed with the natural gas tank after rotation, and the operation is simple and convenient. It can prevent the natural gas tank from loosening during transportation, and is equipped with a buffering and shock-absorbing structure to prevent the tank from deformation and leakage. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a front structural schematic diagram of the utility model;

[0025] Figure 2 This is a rear view structural diagram of the utility model;

[0026] Figure 3 This is a schematic diagram of the structure of the support frame and the positioning plate of the utility model;

[0027] Figure 4 This is a schematic diagram of the structure of the positioning block and the sliding limit rod of the utility model;

[0028] Figure 5 This is a schematic diagram of the positioning groove and buffer gasket structure of the utility model.

[0029] In the figure: 1. transport frame; 2. towing frame; 3. mounting frame; 4. roller; 5. protective frame; 6. tank positioning frame; 7. positioning groove; 8. support frame; 9. positioning plate; 10. buffer gasket; 11. positioning tube; 12. positioning bolt; 13. positioning block; 14. sliding limit rod; 15. first buffer spring; 16. sliding guide rod; 17. natural gas tank; 18. anti-leakage box; 19. sealing cover; 20. engaging groove; 21. leakage detection sensor; 22. second buffer spring. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] See also Figure 1-5 The utility model provides a technical solution: a natural gas transportation device with a leak-proof structure, including a transportation frame 1, a towing frame 2 is fixedly connected to the right end of the transportation frame 1, and a mounting frame 3 is symmetrically arranged at the lower end of the transportation frame 1, and a roller 4 is installed at the lower end of the mounting frame 3; a protective frame 5 is arranged on the upper end surface of the transportation frame 1, and a tank positioning frame 6 is slidably connected to the upper end of the protective frame 5; two groups of tank positioning frames 6 are arranged, and the tank positioning frames 6 are symmetrically distributed up and down, and the upper end of the upper tank positioning frame 6 is slidably connected to the positioning plate 9, and the two groups of tank positioning frames 6 are engaged and connected at opposite sides; the protective frame 5 is conveniently installed and supported by the transportation frame 1, and the roller 4 is installed by using the mounting frame 3 at the lower end of the transportation frame 1, which is convenient for transfer and transportation, and at the same time, with the two groups of tank positioning frames 6, it is convenient to complete the positioning and clamping of the natural gas tank 17.

[0032] A support frame 8 is fixed to the upper side of the rear end of the tank body positioning frame 6, and a positioning plate 9 is connected to the upper end pin of the support frame 8 to form a rotating structure; positioning grooves 7 are opened and closed on opposite sides of the two groups of tank body positioning frames 6, and the positioning grooves 7 are distributed in an equidistant array, and the two groups of positioning grooves 7 form a circular structure design, and a buffer gasket 10 is connected to the inner wall of the positioning groove 7, and the buffer gasket 10 is made of rubber, and the two groups of positioning grooves 7 are engaged and connected with the natural gas tank 17; a positioning tube 11 is fixed to the upper end of the protective frame 5, and a positioning bolt 12 is fixed to the front end of the positioning plate 9, and the lower end of the positioning bolt 12 passes through the positioning tube 11 and is threadedly connected thereto; the position of the positioning plate 9 can be positioned by the support frame 8, and the rotational movement trajectory of the upper end tank body positioning frame 6 and the positioning plate 9 can be positioned, and the positioning groove 7 opened on the inner side of the tank body positioning frame 6 can facilitate the effective clamping of the natural gas tank 17, and the rubber material buffer gasket 10 on the inner wall of the positioning groove 7 can improve the clamping stability and reliability of the natural gas tank 17.

[0033] The lower end of the lower tank body positioning frame 6 is penetrated by a sliding guide rod 16, and the two ends of the sliding guide rod 16 are penetrated by a second buffer spring 22, and the two ends of the sliding guide rod 16 are fixedly connected to the protective frame 5; the upper ends of the front and rear sides of the protective frame 5 are fixed with positioning blocks 13, and the interior of the positioning block 13 is penetrated by a sliding limit rod 14, the front and rear ends of the protective frame 5 are penetrated into the interior of the positioning block 13, and the lower end of the sliding limit rod 14 penetrates the protective frame 5, and the lower end of the sliding limit rod 14 is penetrated by a first buffer spring 15, and the upper and lower ends of the first buffer spring 15 are respectively connected to the protective frame 5 and the positioning block 1 3 inner wall; through the cooperation of the sliding guide rod 16 and the second buffer spring 22, it is convenient to buffer and absorb energy when the natural gas tank body 17 is subjected to horizontal vibration and impact, and through the cooperation of the sliding limit rod 14, the first buffer spring 15 and the protective frame 5, the vibration and bumping of the protective frame 5 in the vertical direction can be buffered, so as to provide buffering protection for the natural gas tank body 17 in multiple directions, prevent leakage caused by loose valves due to vibration, and further protect the natural gas tank body 17 from deformation.

[0034] An anti-leakage box 18 is fixed to the right end of the protective frame 5, and a sealing cover 19 is hingedly connected to the upper end of the anti-leakage box 18, and a snap-fit ​​groove 20 is provided on the left ends of the anti-leakage box 18 and the sealing cover 19; the inside of the snap-fit ​​groove 20 is snap-fitted with the natural gas tank 17, and a leakage detection sensor 21 is embedded and installed on the upper end of the sealing cover 19, and the leakage detection sensors 21 are distributed in an equidistant array; through the cooperation of the anti-leakage box 18 and the sealing cover 19, the valve end of the natural gas tank 17 can be sealed to prevent leakage from occurring at the valve end of the natural gas tank 17, and the installation of multiple sets of leakage detection sensors 21 can further ensure the safety of natural gas transportation and prevent leakage.

[0035] Thereby completing a series of tasks, the contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0036] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A natural gas transport device with a leak-proof structure, comprising a transport frame (1), characterized in that: The right end of the transport frame (1) is fixedly connected to a towing frame (2), and a mounting frame (3) is symmetrically arranged at the lower end of the transport frame (1), and a roller (4) is installed at the lower end of the mounting frame (3); a protective frame (5) is arranged on the upper end surface of the transport frame (1), and a tank positioning frame (6) is slidably connected to the upper end of the protective frame (5); A support frame (8) is fixed on the upper side of the rear end of the tank body positioning frame (6), and a positioning plate (9) is connected to the upper pin of the support frame (8) to form a rotating structure; A leak-proof box (18) is fixed to the right end of the protection frame (5), and a sealing cover (19) is hingedly connected to the upper end of the leak-proof box (18), and a locking groove (20) is provided on the left ends of the leak-proof box (18) and the sealing cover (19).

2. The natural gas transportation device with a leak-proof structure according to claim 1, characterized in that: The tank body positioning frames (6) are provided with two groups, and the tank body positioning frames (6) are symmetrically distributed up and down, and the upper end of the upper tank body positioning frame (6) is slidably connected to the positioning plate (9), and the two groups of the tank body positioning frames (6) are snap-connected at opposite sides.

3. The natural gas transportation device with a leak-proof structure according to claim 2, characterized in that: Positioning grooves (7) are opened and closed on opposite sides of the two groups of tank body positioning frames (6), and the positioning grooves (7) are distributed in an equidistant array, and the two groups of positioning grooves (7) form a circular structure design, and the inner wall of the positioning groove (7) is connected with a buffer gasket (10), and the buffer gasket (10) is made of rubber material, and the two groups of positioning grooves (7) are snap-fitted and connected with the natural gas tank body (17); A positioning tube (11) is fixed to the upper end of the protection frame (5), a positioning bolt (12) is fixed to the front end of the positioning plate (9), and the lower end of the positioning bolt (12) penetrates the positioning tube (11) and is threadedly connected thereto.

4. The natural gas transportation device with a leak-proof structure according to claim 3 is characterized in that: A sliding guide rod (16) penetrates the lower end of the tank body positioning frame (6), and second buffer springs (22) penetrate the two ends of the sliding guide rod (16), and the two ends of the sliding guide rod (16) are fixedly connected to the protective frame (5).

5. The natural gas transportation device with a leak-proof structure according to claim 1, characterized in that: Positioning blocks (13) are fixed to the upper ends of the front and rear sides of the protection frame (5), and a sliding limit rod (14) penetrates the interior of the positioning block (13); the front and rear ends of the protection frame (5) penetrate into the interior of the positioning block (13), and the lower end of the sliding limit rod (14) penetrates the protection frame (5), and a first buffer spring (15) penetrates the lower end of the sliding limit rod (14), and the upper and lower ends of the first buffer spring (15) are respectively fixedly connected to the protection frame (5) and the inner wall of the positioning block (13).

6. The natural gas transportation device with a leak-proof structure according to claim 1, characterized in that: The interior of the engaging groove (20) is engaged with the natural gas tank body (17), and a leakage detection sensor (21) is embedded and installed on the upper end of the sealing cover (19), and the leakage detection sensors (21) are distributed in an equidistant array.

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