Hydrogen energy supply system of heavy truck

Abstract

The invention relates to the technical field of hydrogen energy supply systems, in particular to a hydrogen energy supply system of a heavy truck. Comprising a protection box, a plurality of protection frames are arranged in the protection box, a plurality of first bolt frames are fixedly connected into the protection frames, a plurality of fixing frames are connected to the first bolt frames in a sliding mode, and the fixing frames in the same protection frame are jointly and fixedly connected with an air storage tank. The protection box is fixedly connected with a gas conveying pipe communicated with all the gas storage tanks, the middle of the rectangular array protection frame is fixedly connected with a second bolt frame, and the second bolt frame is fixedly connected with a first oil storage piece. By changing the mounting mode of the hydrogen tank, the hydrogen tank can move in the fixing frame when the heavy truck suddenly brakes, the stress directly acting on the hydrogen tank is reduced through active movement of the hydrogen tank, instant external force impact is dispersed, the impact force is buffered step by step, and the safety of the heavy truck is improved. Therefore, the effect of protecting the tank body from being damaged is achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of hydrogen energy supply systems, and in particular to a hydrogen energy supply system for a heavy truck. Background Art

[0002] A hydrogen energy supply system is a component that provides hydrogen to equipment that uses hydrogen as energy. It is generally composed of a fixed frame and multiple hydrogen tanks.

[0003] In real life, hydrogen energy supply systems are often used as a power source for heavy trucks. The purpose of this is to reduce dependence on traditional fossil fuels such as oil. In addition, hydrogen energy, as a renewable energy carrier, is in line with the development direction of the future energy system. In order to adapt to the models and transportation needs of different heavy trucks, the number of hydrogen tanks can be increased or decreased according to demand and the storage capacity can be adjusted.

[0004] However, since the connection between the existing hydrogen tank and the fixing frame is fixed, heavy trucks will cause extrusion pressure between the hydrogen tank and the fixing frame when the road is uneven or the brakes are sudden. When the extrusion pressure exceeds the design limit, it will cause mechanical damage to the outer shell of the hydrogen tank, such as dents or cracks, and then cause serious consequences such as hydrogen leakage. Summary of the invention

[0005] In order to overcome the shortcomings mentioned in the above background technology, the present invention provides a hydrogen energy supply system for a heavy truck.

[0006] The technical solution of the present invention is: a hydrogen energy supply system for a heavy truck, comprising a protection box, wherein a plurality of protection frames are arranged in the protection box, a plurality of first bolt racks are fixedly connected in the protection frame, a plurality of fixed frames are slidably connected to the first bolt rack, a gas storage tank is commonly fixedly connected to the fixed frames in the same protection frame, a gas pipeline connected to all the gas storage tanks is fixedly connected to the protection box, a second bolt rack is fixedly connected to the middle of the protection frames in a rectangular array, a first oil storage member is fixedly connected to the second bolt rack, a symmetrical third bolt rack is fixedly connected to the fixed frame close to the second bolt rack, a first sealing member fixedly connected to the adjacent and symmetrical third bolt rack is slidably connected in the first oil storage member, a plurality of through holes are arranged on the portion of the first sealing member located in the adjacent first oil storage member, symmetrical springs are arranged between the first oil storage member and the adjacent first sealing member, and a limiting portion for limiting the adjacent gas storage tanks is arranged in the protection frame.

[0007] Furthermore, two symmetrical groups of limit rods are fixedly connected in the first oil storage member, each group is composed of a plurality of limit rods, and the limit rods are matched with adjacent through holes on adjacent first sealing members to block the limit rods, and the lengths of the plurality of limit rods are inconsistent.

[0008] Furthermore, the limiting portion includes a symmetrical fourth bolt frame, the symmetrical fourth bolt frames are all fixedly connected to the fixing frame, the protective frame is fixedly connected to a fixing shell, a sliding pin is slidably connected in the fixing shell, a spring is fixedly connected between the fixing shell and the adjacent sliding pin, and the facing sides of the symmetrical fourth bolt frames are provided with arc surfaces, the sliding pins are extruded and fitted with the arc surfaces on the symmetrical fourth bolt frames, and the sliding pins are located between the arc surfaces on the symmetrical fourth bolt frames.

[0009] Furthermore, the symmetrical fourth bolt racks are all provided with inclined surfaces, the inclined surfaces on the fourth bolt racks are connected to the arcuate surfaces thereon, and the inclined surfaces on the fourth bolt racks are slidably matched with the adjacent sliding pins to provide guidance for the adjacent sliding pins.

[0010] Furthermore, it also includes a plurality of groups of first L-shaped rods, the number of groups of the first L-shaped rods is consistent with the number of the protective frames, each group is composed of symmetrical first L-shaped rods, the symmetrical first L-shaped rods are slidably connected to adjacent first oil storage parts, and the protective frame is provided with an adjustment part for adjusting the distance between the opposite sides of the symmetrical first L-shaped rods.

[0011] Furthermore, the symmetrical portions of the first L-shaped rods located in the adjacent first oil storage members are fixedly connected with fixing columns that contact and cooperate with the adjacent first sealing members. The fixing columns are made of elastic material and are used to replace the adjacent first L-shaped rods in contact with the adjacent first sealing members.

[0012] Furthermore, the adjusting part includes an L-shaped tube, the L-shaped tube is fixedly connected to and communicated with one side of the gas storage tank, a first slide is slidably connected to the L-shaped tube, a spring fixedly connected to the adjacent first slide is fixedly connected to the L-shaped tube, the second bolt frame is fixedly connected to an air storage shell, a second slide is slidably connected to the air storage shell, a vent is provided on the side of the air storage shell away from the adjacent connecting tube, a second L-shaped rod is slidably connected to one side of the air storage shell, a portion of the second L-shaped rod located outside the adjacent air storage shell is fixedly connected to the adjacent first L-shaped rod, a sliding rod that passes through the adjacent second slide and slidably cooperates with the adjacent second L-shaped rod is slidably connected to the other side of the air storage shell, and a portion of the sliding rod located outside the adjacent air storage shell is fixedly connected to the adjacent first L-shaped rod.

[0013] Furthermore, the adjustment part also includes two rack racks, which are respectively fixed to adjacent and symmetrical first L-shaped rods, the air storage shell is rotatably connected to a gear, the rack rack is meshed with the adjacent gear, and a locking part for limiting the moving direction of the adjacent second L-shaped rod is provided in the air storage shell.

[0014] Furthermore, the locking portion includes a second oil storage part, the second oil storage part is fixedly connected in the adjacent air storage shell, the second oil storage part is slidably connected with a second sealing part, the second sealing part is provided with a fan-shaped groove, a shielding part is rotatably connected in the second seal, the shielding part is provided with a fan-shaped groove that is communicated and matched with the fan-shaped groove on the adjacent second seal, the shielding part is used to block the fan-shaped groove on the adjacent second seal, the second seal is fixedly connected with a plurality of elastic parts on the side of the adjacent second slide plate, the second slide plate is fixedly connected with a fixing ring on the side of the adjacent second seal, a V-shaped groove is provided in the fixing ring, and the second seal is fixed with an extrusion pin that is extruded and matched with the V-shaped groove in the fixing ring.

[0015] Furthermore, the elastic coefficient of the elastic member is greater than the elastic coefficient of the adjacent spring in the L-shaped tube, so that the second slide plate can indirectly drive the adjacent first slide plate to move.

[0016] The beneficial effects of the present invention are as follows: the present invention changes the installation mode of the hydrogen tank so that the hydrogen tank can move in the fixing frame when a heavy truck brakes suddenly, and through the active movement of the hydrogen tank, the instantaneous external force impact is dispersed, the stress directly acting on the hydrogen tank is reduced, and the impact force is buffered step by step, thereby protecting the tank body from damage;

[0017] In the process of buffering the gas tank, the buffering stroke is adjusted according to the amount of hydrogen in the gas tank to reduce unnecessary buffering actions when no-load or low-load, thereby reducing the loss of the above-mentioned parts related to the buffering action, improving the working efficiency of the parts related to the buffering action and extending the service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0019] Figure 2 It is a three-dimensional structural schematic diagram of the parts in the protection box of the present invention;

[0020] Figure 3 It is a three-dimensional structural cross-sectional view of the protection frame of the present invention;

[0021] Figure 4 It is a schematic diagram of the three-dimensional structure of the first bolt rack and the fixing frame of the present invention;

[0022] Figure 5 It is a three-dimensional structural cross-sectional view of the first oil storage member of the present invention;

[0023] Figure 6 is a schematic diagram of the three-dimensional structure of the second bolt rack of the present invention;

[0024] Figure 7It is a three-dimensional structural cross-sectional view of the L-shaped tube of the present invention;

[0025] Figure 8 It is a three-dimensional structural cross-sectional view of the gas storage shell of the present invention;

[0026] Fig. 9 It is a three-dimensional structural cross-sectional view of the second oil storage member of the present invention;

[0027] Fig.10 It is an exploded view of the three-dimensional structure of the second sealing member and the shielding member of the present invention.

[0028] Marked in the figure: 10-protection box, 11-protection frame, 12-first bolt rack, 13-fixed frame, 14-air storage tank, 15-second bolt rack, 16-first oil storage part, 17-third bolt rack, 18-first sealing part, 19-limiting rod, 21-fourth bolt rack, 22-fixed shell, 23-sliding pin, 30-first L-shaped rod, 31-L-shaped tube, 32-first slide plate, 33-air storage shell, 34-second slide plate, 35-second L-shaped rod, 36-sliding rod, 37-rack rack, 38-gear, 40-second oil storage part, 41-second sealing part, 42-shielding part, 43-elastic part, 44-fixing ring. DETAILED DESCRIPTION

[0029] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments, but the protection scope and application scope of the present invention are not limited.

[0030] In real life, hydrogen energy is chosen as the power source of heavy trucks in order to reduce dependence on traditional fossil fuels such as oil. In addition, hydrogen energy, as a renewable energy carrier, is in line with the development direction of the future energy system. However, when the hydrogen tank accompanies the movement of the heavy truck, the heavy truck may encounter uneven roads or sudden braking, which may cause the hydrogen tank and the fixing frame to be squeezed against each other, thereby affecting the structural strength of the hydrogen tank. In severe cases, hydrogen leakage may occur. Therefore, the present invention changes the installation method of the hydrogen tank so that the hydrogen tank moves in the fixing frame after exceeding the limit value, and through the active movement of the hydrogen tank, the instantaneous external force impact is dispersed, the stress directly acting on the hydrogen tank is reduced, and the impact force is buffered step by step, thereby protecting the tank body from damage.

[0031] Example 1: A hydrogen energy supply system for a heavy truck, please refer to Figure 1-Figure 5, including a protection box 10, which is installed between the front of a heavy truck and a cargo box in real life, and eight protection frames 11 in a rectangular array are arranged in the protection box 10 (only eight are used as an example in the present invention, not limited, and the number of protection frames 11 can be adjusted independently according to actual conditions), and three first bolt frames 12 in a linear array are fixedly connected in the protection frame 11 (only three are used as an example in the present invention, not limited), and the first bolt frame 12 is composed of two U-shaped frames welded to each other, and the first bolt frame 12 is limitedly slidably connected to a fixed frame 13 in a linear array, and the thickness of the middle part of the first bolt frame 12 is less than the thickness of the left and right sides thereof , used to limit the adjacent fixed frames 13, the fixed frames 13 of the linear array are all fixedly connected with gas tanks 14, the gas tanks 14 are hydrogen tanks in the prior art, the protection box 10 is fixedly connected with a gas pipeline connected with all the gas tanks 14, the gas pipeline is composed of an F-shaped pipe and eight corrugated pipes fixedly connected and connected to each other, each corrugated pipe is respectively fixedly connected and connected with the adjacent gas tanks 14, the middle of the rectangular array protection frame 11 is fixedly connected with a second bolt frame 15, used to ensure the stability of the gas tank 14 and the adjacent fixed frame 13 during movement, the second bolt frame 15 is an inverted U-shape, the front side of the second bolt frame 15 is fixedly connected with a first oil storage member 16, the first oil storage member 16 is welded The first bolt frame 12 penetrates through the two adjacent and symmetrical third bolt frames 17. The first oil storage member 16 is sealed and slidably connected with the first sealing member 18. The first sealing member 18 is composed of a sealing plate and a sliding rod fixed to each other. The upper sides of the two symmetrical third bolt frames 17 are fixed to the sliding rods in the adjacent first sealing members 18. The sealing plate in the first sealing member 18 is provided with nine through holes in a rectangular array (only nine holes are used as an example in the present invention, not as a limitation). The first oil storage member 16 and the adjacent first sealing member 18 are connected in a sealed and slidable manner. Left-right symmetrical springs are provided, and the sealing plate in the first sealing member 18 is located between the two left-right symmetrical springs. A limiting portion for limiting the adjacent gas tank 14 is provided in the protection frame 11. When the heavy truck brakes suddenly, the gas tank 14 drives the adjacent first sealing member 18 to move in the adjacent first oil storage member 16 through the adjacent fixed frame 13 and the two adjacent third bolt frames 17 under the action of inertia. The hydraulic oil in the first oil storage member 16 gives resistance to the adjacent first sealing member 18, which cushions the sliding of the gas tank 14, disperses the instantaneous impact force generated when the heavy truck brakes suddenly, and reduces the stress directly acting on the gas tank 14.

[0032] Please refer to Figure 4 and Figure 5Two groups of left-right symmetrical limit rods 19 are fixedly connected to the first oil storage member 16, each group is composed of three limit rods 19 (three are used as an example in the present invention, not as a limitation), and the limit rods 19 are matched with adjacent through holes on adjacent first sealing members 18 for blocking. The lengths of the three limit rods 19 on one side increase from top to bottom, so as to gradually reduce the flow area of ​​the first sealing member 18.

[0033] Please refer to Figure 4 and Figure 5 The limiting part includes two fourth bolt frames 21 that are symmetrical on the left and right. The two fourth bolt frames 21 that are symmetrical on the left and right are fixed to the lower side of the fixed frame 13. The first bolt frame 12 penetrates the two fourth bolt frames 21 that are adjacent and symmetrically distributed on the left and right. A fixed shell 22 is fixed to the middle of the protection frame 11. A sliding pin 23 is connected to the fixed shell 22 in a limited sliding manner. The upper side of the sliding pin 23 is semi-cylindrical. A spring is fixed between the fixed shell 22 and the adjacent sliding pin 23 to drive the adjacent sliding pin 23 to reset and move. The symmetrical fourth bolt frames The facing sides of the fourth bolt racks 21 are provided with arc surfaces, the sliding pin 23 is squeezed and matched with the arc surfaces on the symmetrical fourth bolt racks 21, and the sliding pin 23 is located between the arc surfaces on the two adjacent left-right symmetrical fourth bolt racks 21, and is used to align the middle part of the gas storage tank 14 with the middle part of the adjacent first bolt rack 12. The symmetrical fourth bolt racks 21 are provided with inclined surfaces, and the inclined surfaces on the fourth bolt racks 21 are connected to the arc surfaces thereon. The inclined surfaces on the fourth bolt racks 21 are slidably matched with the adjacent sliding pins 23, and are used to provide guidance for the adjacent sliding pins 23.

[0034] During the driving process of the heavy-duty truck, the hydrogen in the gas tank 14 provides a continuous and stable supply of hydrogen to the fuel cell to ensure the long-term operation of the heavy-duty truck. When the heavy-duty truck carries the device and drives on the road and brakes suddenly, which is sufficient to move the sliding pin 23 downward (at this time, the extrusion force on the gas tank 14 is not enough to damage it), taking the movement process of one of the gas tanks 14 as an example, the gas tank 14 drives the three adjacent fixed frames 13 to move along the adjacent first bolt frames 12 to one side of the driving direction of the heavy-duty truck. During the movement of the fixed frame 13 located in the middle, the two adjacent fourth bolt frames 21 are driven to move, so that the adjacent sliding pins 23 move along the adjacent fourth bolt frames 21 and move downward (the adjacent springs are squeezed during the movement of the sliding pins 23), thereby releasing the limiting of the two fourth bolt frames 21, the adjacent fixed frames 13 and the adjacent gas tanks 14, so that the gas tank 14 can actively drive the two adjacent third bolt frames 17 and the first sealing member 18 to move in the driving direction of the heavy-duty truck through the adjacent fixed frames 13.

[0035] During the emergency braking of the heavy truck, the first seal 18 moves along the adjacent first oil storage member 16 and squeezes the adjacent spring, so that the hydraulic oil in the first oil storage member 16 flows through all the through holes on the adjacent first seal 18, and the hydraulic oil in the first oil storage member 16 gives resistance to the adjacent first seal 18, so as to provide buffering for the movement of the first seal 18, the two adjacent third bolt racks 17, the adjacent fixing frame 13 and the adjacent gas tank 14. During the movement of the first seal 18, the limit rod 19 is slowly inserted into the adjacent through holes in the first seal 18 to achieve the blocking of the adjacent through holes on the adjacent first seal 18. Through the above-mentioned actions, the instantaneous impact force generated by the emergency braking of the heavy truck can be dispersed, the stress directly acting on the gas tank 14 can be reduced, and the impact force can be buffered step by step, so as to protect the tank body from damage.

[0036] When the heavy truck stops, the first seal 18 is reset and moved toward the adjacent middle part under the action of the adjacent spring reset (the first seal 18 gradually breaks away from the contact with the adjacent limit rod 19 during the reset process). During the reset process of the first seal 18, the adjacent fixing frame 13, the gas tank 14 and the adjacent two fourth bolt frames 21 are driven to reset and move through the adjacent two third bolt frames 17. Under the action of the adjacent spring of the sliding pin 23, it squeezes the inclined surface on the lower side of the adjacent fourth bolt frame 21, thereby assisting the reset movement of the gas tank 14 and its accessory parts and shortening the reset time of the gas tank 14 and its accessory parts. When the gas tank 14 drives the adjacent two fourth bolt frames 21 to move to the arc surface on the opposite side of the sliding pin 23 that can be inserted into the adjacent two fourth bolt frames 21, it is the basic position of the gas tank 14 and its accessory parts, and the subsequent movement process of the gas tank 14 can be repeated.

[0037] Example 2: Based on Example 1, please refer to Figure 4-Figure 6 , and also includes eight groups of first L-shaped rods 30 distributed in a rectangular array, each group is composed of two left-right symmetrical first L-shaped rods 30 (the above-mentioned number is only used to express the number in the present invention, and is not limited), the left-right symmetrical first L-shaped rods 30 are respectively sealed and limitedly slidably connected to the left and right sides of the adjacent first oil storage parts 16, and the effect of adjusting the movement range of the first seal 18 can be achieved by adjusting the distance between the opposite sides of the two left-right symmetrical first L-shaped rods 30 and the adjacent first sealing parts 18. The protection frame 11 is provided with an adjustment part for adjusting the distance between the opposite sides of the symmetrical first L-shaped rods 30, and the parts of the symmetrical first L-shaped rods 30 located in the adjacent first oil storage parts 16 are fixedly connected with a fixing column that contacts and cooperates with the adjacent first sealing parts 18. This fixing column is made of elastic material and is used to buffer the adjacent first sealing parts 18.

[0038] Please refer to Figure 3-Figure 9The regulating part includes an L-shaped tube 31, which is fixedly connected to and communicated with the rear side of the gas storage tank 14. The L-shaped tube 31 is a high-strength rigid pipe. A first slide plate 32 is slidably connected in a sealed position in the L-shaped tube 31. When there is no hydrogen in the gas storage tank 14, the first slide plate 32 is located in the middle and lower part of the adjacent L-shaped tube 31. A spring fixedly connected to the adjacent first slide plate 32 is fixedly connected in the L-shaped tube 31. The spring is used to drive the adjacent first slide plate 32 to reset and move. A gas storage shell 33 is fixedly connected to the rear side of the second bolt frame 15. A second gas storage shell 33 is slidably connected in a sealed position in the gas storage shell 33. The slide plate 34 and the right side of the air storage shell 33 are provided with an air vent for discharging excess gas in the right part of the air storage shell 33. The right side of the air storage shell 33 is sealingly and slidingly connected with a second L-shaped rod 35. The right side of the second L-shaped rod 35 is fixedly connected to the first L-shaped rod 30 on the adjacent side. The left side of the air storage shell 33 is limitedly and slidingly connected with a slide bar 36 that passes through the adjacent second slide plate 34. The slide bar 36 is limitedly and slidingly matched with the adjacent second L-shaped rod 35. The slide bar 36 slides with the adjacent second L-shaped rod 35 in a non-sealed manner. The left side of the slide bar 36 is fixedly connected to the adjacent first L-shaped rod 30.

[0039] Please refer to Figure 3-Figure 9 The adjustment part also includes two rack racks 37, which are respectively fixed to two adjacent and left-right symmetrical first L-shaped rods 30. The air storage shell 33 is rotatably connected to a gear 38. The rack rack 37 is meshed with the adjacent gear 38. The gear 38 is used to make the two adjacent rack racks 37 move simultaneously. A locking part is provided in the air storage shell 33 to limit the moving direction of the adjacent second L-shaped rod 35.

[0040] Please refer to Figure 7-Figure 10The locking portion includes a second oil storage member 40 fixedly connected to the right side of the air storage shell 33, and the second oil storage member 40 is slidably connected to a second sealing member 41. The second sealing member 41 is composed of a fixed cylinder and a fixed disk fixedly connected to each other. The fixed disk in the second sealing member 41 is provided with two symmetrical fan-shaped grooves (two in the figure, not limited thereto). A shielding member 42 is rotatably connected in the second sealing member 41. The shielding member 42 is composed of a solid rod and a rotating disk fixedly connected to each other. The rotating disk in the shielding member 42 is provided with two symmetrical fan-shaped grooves. The shielding member 42 is used to block the fan-shaped grooves on the adjacent second sealing member 41. The second sealing member 41 is fixedly connected to a side of an annular array of elastic members 43 facing the adjacent second slide plate 34. The elastic member 43 is provided with a plurality of elastic members 43 in ... Component 43 is an elastic sheet, and the elastic component 43 is arc-shaped in its initial state. A fixing ring 44 is fixedly connected to the right side of the second slide plate 34, and four V-shaped grooves in an annular array are arranged in the fixing ring 44 (four in the present invention, not limited). Four extrusion pins in an annular array are fixedly connected to the left side of the second sealing component 41 (four in the present invention, not limited). The extrusion pins on the right side of the second sealing component 41 are extruded and matched with adjacent V-shaped grooves in adjacent fixing rings 44. In its initial state, the extrusion pins of the second sealing component 41 are located in the middle of adjacent V-shaped grooves in adjacent fixing rings 44. The elastic coefficient of the elastic component 43 is greater than the elastic coefficient of the adjacent spring in the L-shaped tube 31, so as to enable the second slide plate 34 to indirectly drive the adjacent first slide plate 32 to move.

[0041] During the process of replenishing hydrogen in a heavy truck, the gas filling gun is inserted into the gas filling part of the heavy truck. Taking the gas filling process of one of the gas tanks 14 as an example, the gas enters the gas tank 14 from the gas pipe to increase the pressure therein. During the process of increasing the pressure in the gas tank 14, the pressure in the adjacent L-shaped tube 31 is increased, so that the first slide plate 32 in the L-shaped tube 31 moves upward and squeezes the adjacent spring. During the movement of the first slide plate 32, the pressure in the upper part of the adjacent L-shaped tube 31, the adjacent connecting tube and the adjacent gas storage shell 33 is increased.

[0042] As the pressure in the air storage shell 33 increases, the second slide 34 drives the adjacent fixed ring 44 to move to the right (in the process of the second slide 34 moving, the gas in the adjacent air storage shell 33 close to the side of the adjacent second oil storage member 40 is discharged from the vent hole of the adjacent air storage shell 33). In the process of the movement of the second slide 34, the adjacent elastic members 43 in a ring array are squeezed and the elastic members 43 are deformed. In the process of the movement of the fixed ring 44, the V-shaped groove therein squeezes the adjacent extrusion pin on the adjacent shielding member 42, so that the shielding member 42 can rotate along the adjacent second sealing member 41 and release the blockage of the fan-shaped groove on the adjacent second sealing member 41.

[0043] After the shielding member 42 releases the blockage of the fan-shaped groove on the adjacent second seal 41, the second slide plate 34 drives the adjacent second seal 41, the adjacent second L-shaped rod 35, the adjacent first L-shaped rod 30 and the adjacent rack rack 37 to move to the right through the adjacent fixing ring 44 and the adjacent shielding member 42. The first L-shaped rod 30 fixed to the adjacent second L-shaped rod 35 drives the adjacent rack rack 37 to move and engages with the adjacent gear 38, so that the rack rack 37 on the other side drives the adjacent sliding rod 36 to move along the adjacent air storage shell 33 and the adjacent second L-shaped rod 35, increasing the distance between the opposite sides of the two adjacent first L-shaped rods 30 and the adjacent first seal 18, thereby changing the restriction on the sliding distance of the first seal 18.

[0044] When the capacity of hydrogen in the gas tank 14 reaches the capacity required for work, hydrogen is no longer added to the gas tank 14, and the gas in the gas storage shell 33 no longer increases. Under the action of the elastic force provided by the annular array elastic member 43, the adjacent fixed ring 44 drives the adjacent second slide plate 34 to the left, and through the cooperation of the V-shaped groove in the fixed ring 44 and the extrusion pin on the adjacent shielding member 42, the shielding member 42 is reset and rotated to shield the fan-shaped groove on the adjacent second sealing member 41, thereby limiting the position of the adjacent second sealing member 41 and the adjacent second L-shaped rod 35. During the movement of the second slide plate 34 to the left, the gas in the adjacent gas storage shell 33 is squeezed, so that the first slide plate 32 moves downward for a distance.

[0045] When a heavy truck brakes suddenly during driving, the gas tank 14 drives the adjacent two third bolt racks 17 and the adjacent first seal 18 to move through the adjacent first bolt rack 12. When the first seal 18 moves to contact the fixing column on the adjacent first L-shaped rod 30, the movement distance of the first seal 18, the gas tank 14 and its accessory parts is limited to prevent excessive movement. The reset action can be repeated as mentioned in Example 1.

[0046] The hydrogen in the gas storage tank 14 will reduce the pressure therein during use. During this process, the spring in the adjacent L-shaped tube 31 of the gas storage tank 14 drives the adjacent first slide plate 32 to move downward. During the movement of the first slide plate 32, the pressure in the gas storage shell 33 is reduced through the adjacent connecting tube, so that the second slide plate 34 first drives the adjacent fixing ring 44 to move away from the adjacent second oil storage member 40 (the elastic member 43 of the annular array is in a stretched state at this time). The fixing ring 44 cooperates with the extrusion pin on the adjacent shielding member 42 through the V-shaped groove, so that the shielding member 42 rotates and releases the blockage of the fan-shaped groove on the adjacent second sealing member 41, so that the second slide plate 34 can pass through the adjacent fixing ring 44 and the adjacent shielding member 42 with The adjacent second sealing member 41, the adjacent second L-shaped rod 35, the adjacent first L-shaped rod 30 and the adjacent rack rack 37 are moved toward the direction of the adjacent second slide plate 34, and through the cooperation between the rack rack 37 and the adjacent gear 38, the two adjacent rack racks 37 and the two adjacent first L-shaped rods 30 are moved toward each other, shortening the distance between the opposite sides of the two first L-shaped rods 30 and the adjacent first sealing member 18, thereby shortening the moving distance of the first sealing member 18, thereby shortening its buffering stroke according to the amount of hydrogen in the gas storage tank 14, reducing unnecessary buffering actions when no-load or low-load, thereby reducing the loss of the above-mentioned parts related to the buffering action, improving the working efficiency of the parts related to the buffering action, and extending the service life.

[0047] After the pressure in the air storage shell 33 is stabilized, the annular array elastic member 43 is reset to move the fixed ring 44 and the adjacent second slide plate 34 to reset. The V-shaped groove in the fixed ring 44 cooperates with the extrusion pin on the adjacent shielding member 42 to reset the shielding member 42 and rotate to block the fan-shaped groove on the adjacent second sealing member 41, so as to limit the adjacent second sealing member 41, the adjacent second L-shaped rod 35 and the adjacent first L-shaped rod 30. Subsequent buffering actions can be repeated.

[0048] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes may be made to the embodiments without departing from the principles and spirit of the invention.

Claims

1. A hydrogen energy supply system for a heavy truck, comprising a protection box (10), characterized in that: The invention also comprises a plurality of protection frames (11), wherein the plurality of protection frames (11) are all arranged in the protection box (10), wherein the protection frame (11) is fixedly connected with a plurality of first bolt frames (12), wherein the first bolt frames (12) are slidably connected with a plurality of fixing frames (13), wherein the fixing frames (13) in the same protection frame (11) are commonly fixedly connected with a gas storage tank (14), wherein the protection box (10) is fixedly connected with a gas transmission pipe connected with all the gas storage tanks (14), and wherein the middle part of the rectangular array protection frames (11) is fixedly connected with a second bolt frame (15), wherein the second bolt frame (15) is fixedly connected with the first storage tank (14). The fixing frame (13) is fixedly connected with a symmetrical third bolt frame (17) near the second bolt frame (15); the first oil storage member (16) is slidably connected with a first sealing member (18) fixedly connected with the adjacent and symmetrical third bolt frame (17); a portion of the first sealing member (18) located in the adjacent first oil storage member (16) is provided with a plurality of through holes; symmetrical springs are provided between the first oil storage member (16) and the adjacent first sealing member (18); and a limiting portion for limiting the adjacent gas storage tank (14) is provided in the protection frame (11).

2. A hydrogen energy supply system for a heavy truck according to claim 1, characterized in that: Two symmetrical groups of limit rods (19) are fixedly connected inside the first oil storage member (16), each group consisting of a plurality of limit rods (19). The limit rods (19) are matched with adjacent through holes on the adjacent first sealing member (18) for sealing, and the lengths of the plurality of limit rods (19) are inconsistent.

3. The hydrogen energy supply system for a heavy truck according to claim 1, characterized in that: The limiting part includes a symmetrical fourth bolt frame (21), the symmetrical fourth bolt frame (21) is fixedly connected to the fixed frame (13), the protection frame (11) is fixedly connected to a fixed shell (22), a sliding pin (23) is slidably connected inside the fixed shell (22), a spring is fixedly connected between the fixed shell (22) and the adjacent sliding pin (23), and the symmetrical fourth bolt frames (21) are provided with arc surfaces on the opposite sides, the sliding pins (23) are pressed and matched with the arc surfaces on the symmetrical fourth bolt frames (21), and the sliding pins (23) are located between the arc surfaces on the symmetrical fourth bolt frames (21).

4. A hydrogen energy supply system for a heavy truck according to claim 3, characterized in that: The symmetrical fourth bolt frames (21) are each provided with an inclined surface, the inclined surface on the fourth bolt frame (21) being connected to the arc surface thereon, and the inclined surface on the fourth bolt frame (21) being slidably matched with the adjacent sliding pin (23) for providing guidance for the adjacent sliding pin (23).

5. The hydrogen energy supply system for a heavy truck according to claim 3 is characterized in that: It also includes a plurality of groups of first L-shaped rods (30), the number of groups of the first L-shaped rods (30) being consistent with the number of the protection frames (11), each group being composed of symmetrical first L-shaped rods (30), the symmetrical first L-shaped rods (30) being slidably connected to adjacent first oil storage parts (16), and an adjusting portion for adjusting the distance between opposite sides of the symmetrical first L-shaped rods (30) being arranged in the protection frame (11).

6. A hydrogen energy supply system for a heavy truck according to claim 5, characterized in that: The symmetrical first L-shaped rod (30) is located in the adjacent first oil storage member (16) and is fixedly connected to a fixing column that contacts and cooperates with the adjacent first sealing member (18). The fixing column is made of elastic material and is used to replace the adjacent first L-shaped rod (30) to contact the adjacent first sealing member (18).

7. The hydrogen energy supply system for a heavy truck according to claim 5, characterized in that: The regulating portion comprises an L-shaped tube (31), the L-shaped tube (31) is fixedly connected to and communicated with one side of the gas storage tank (14), a first slide plate (32) is slidably connected in the L-shaped tube (31), a spring fixedly connected to the adjacent first slide plate (32) is fixedly connected in the L-shaped tube (31), an air storage shell (33) is fixedly connected to the second bolt bracket (15), a second slide plate (34) is slidably connected in the air storage shell (33), a vent hole is provided on a side of the air storage shell (33) away from the adjacent connecting tube, A second L-shaped rod (35) is slidably connected to one side of the air storage shell (33), and the portion of the second L-shaped rod (35) located outside the adjacent air storage shell (33) is fixedly connected to the adjacent first L-shaped rod (30). A sliding rod (36) that passes through the adjacent second slide plate (34) and slidably cooperates with the adjacent second L-shaped rod (35) is slidably connected to the other side of the air storage shell (33), and the portion of the sliding rod (36) located outside the adjacent air storage shell (33) is fixedly connected to the adjacent first L-shaped rod (30).

8. The hydrogen energy supply system for a heavy truck according to claim 7, characterized in that: The adjustment part also includes two rack racks (37), the two rack racks (37) are respectively fixed to adjacent and symmetrical first L-shaped rods (30), the air storage shell (33) is rotatably connected to a gear (38), the rack rack (37) is meshed with the adjacent gear (38), and a locking part for limiting the moving direction of the adjacent second L-shaped rod (35) is arranged in the air storage shell (33).

9. A hydrogen energy supply system for a heavy truck according to claim 8, characterized in that: The locking portion comprises a second oil storage member (40), the second oil storage member (40) is fixedly connected to the adjacent air storage shell (33), the second oil storage member (40) is slidably connected to a second sealing member (41), the second sealing member (41) is provided with a fan-shaped groove, a shielding member (42) is rotatably connected to the second sealing member (41), the shielding member (42) is provided with a fan-shaped groove communicating with the fan-shaped groove on the adjacent second sealing member (41), the shielding member (42) is used to block the fan-shaped groove on the adjacent second sealing member (41), the second sealing member (41) is fixedly connected to a plurality of elastic members (43) on a side facing the adjacent second slide plate (34), the second slide plate (34) is fixedly connected to a fixing ring (44) on a side facing the adjacent second sealing member (41), the fixing ring (44) is provided with a V-shaped groove, and the second sealing member (41) is fixedly connected to an extrusion pin extruded and matched with the V-shaped groove in the fixing ring (44).

10. A hydrogen energy supply system for a heavy truck according to claim 9, characterized in that: The elastic coefficient of the elastic member (43) is greater than the elastic coefficient of the adjacent spring in the L-shaped tube (31), and is used to enable the second slide plate (34) to indirectly drive the adjacent first slide plate (32) to move.

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