CN111140872A

CN111140872A - Combustion adjusting device

Info

Publication number: CN111140872A
Application number: CN202010094440.3A
Authority: CN
Inventors: 不公告发明人
Original assignee: Guangzhou Xiaopu Technology Co Ltd
Current assignee: Guangzhou Xiaopu Technology Co Ltd
Priority date: 2020-02-15
Filing date: 2020-02-15
Publication date: 2020-05-12

Abstract

The invention discloses a combustion adjusting device, which comprises a frame, wherein a control component is arranged at the right part in the frame, the control component comprises a motor fixedly arranged on the right end wall of the frame, the tail end of the motor is in power connection with a first rotating shaft extending left and right, the left end of the first rotating shaft is fixedly connected with a first belt wheel, the first belt wheel is connected with a second belt wheel through belt power, a first fixed block is fixedly arranged at the right end of the frame, a first transmission cavity is arranged in the first fixed block, when the device works, different combustion intensities can be adjusted according to different combustion tasks, and the arrangement of the air blowing component avoids the need of manpower to control the air delivery in the traditional combustion adjustment, reduces the consumption of manpower and material resources, therefore, the working efficiency is improved, a plurality of functions are realized through a single motor, the cost is reduced, and the energy consumption is saved.

Description

Combustion adjusting device

Technical Field

The invention relates to the technical field of combustion regulation, in particular to a combustion regulation device.

Background

The combustion process is essentially an energy running conversion process that converts chemical energy of fuel into heat energy of steam. The primary task of combustion process control is to tailor the heat provided by combustion to the steam load requirements and to ensure safe and economical operation. The foundry furnace is the casting equipment who uses often in the metallurgical field, but traditional foundry furnace only possesses fixed combustion strength, when needs are burnt and are adjusted, all need consume the supply of a large amount of time cooling or reduction fuel, a large amount of manpower and materials have not only been wasted so, but also a large amount of time has been wasted, very big reduction combustion efficiency, in addition, need the different temperatures of regular transform when some cast products heat, and this point is hardly satisfied to traditional foundry furnace, or need very loaded down with trivial details flow just can realize having great drawback, need improve.

Disclosure of Invention

In view of the above technical deficiencies, the present invention provides a combustion adjustment device, which can overcome the above drawbacks.

The invention relates to a combustion adjusting device, which comprises a frame, wherein a control assembly is arranged at the right part in the frame, the control assembly comprises a motor fixedly installed on the right end wall of the frame, the tail end of the motor is in power connection with a first rotating shaft extending leftwards and rightwards, the left end of the first rotating shaft is fixedly connected with a first belt pulley, the first belt pulley is in power connection with a second belt pulley through a belt, a first fixed block is fixedly installed at the right end of the frame, a first transmission cavity is formed in the first fixed block, a spline shaft which extends leftwards and rightwards, penetrates through the right end wall of the first transmission cavity and is rotatably installed with the right end wall of the first transmission cavity is fixedly installed at the center of the second belt pulley, the spline shaft is in spline fit with a spline sleeve positioned in the first transmission cavity, a second fixed block is rotatably installed on, the fixed rod lower extreme fixed mounting have can first transmission chamber bottom gliding slide, slide left end fixedly connected with first transmission chamber left end wall fixed mounting's first spring, slide right-hand member fixed mounting have with frame right-hand member wall sliding fit's first press the clamp plate, spline sleeve right end fixedly connected with first straight gear, frame bottom fixed mounting has the third fixed block, be provided with second transmission chamber and third transmission chamber in the third fixed block, be provided with the air blast subassembly in the third fixed block, frame upper end fixed mounting have the lower extreme with third fixed block upper end fixed connection's fourth fixed block, the top is provided with the switch subassembly in the frame, be provided with the gear shifting subassembly in the frame left end wall.

Preferably, the blower assembly includes a first bevel gear fixedly connected with a first rotating shaft and located on the right side of the first bevel gear, the left end of the first bevel gear is engaged with a second bevel gear, the center of the second bevel gear is fixedly mounted with a second rotating shaft extending vertically and having a lower end rotating with the bottom of the second transmission cavity, the lower end of the second rotating shaft penetrates into the ratchet fixedly connected with the second transmission cavity, the left end of the ratchet is engaged with a second spur gear, the center of the second spur gear is fixedly mounted with a third rotating shaft extending vertically, the upper and lower ends of the third rotating shaft are rotatably mounted in the upper and lower end walls of the second transmission cavity, the third rotating shaft is fixedly connected with a third bevel gear located above the second spur gear, the left end of the third bevel gear is engaged with a fourth bevel gear, the center of the fourth bevel gear is fixedly mounted with a fourth rotating shaft extending horizontally and rotatably mounted through a bearing and a third fixing block, the left end of the fourth rotating shaft is transmitted into the third transmission cavity and is fixedly connected with a fan wheel, and the left end of the third transmission cavity is provided with a ventilation opening.

Preferably, the switch assembly comprises a fifth rotating shaft which is located above the spline shaft and is rotatably installed on the right end wall of the fourth fixed block and the first transmission cavity, the fifth rotating shaft is fixedly connected with a third straight gear which is located in the first transmission cavity and can be meshed with the first straight gear, a fuel tank is fixedly installed on the top end of the rack, a transmission groove and a first sliding groove are formed in the end wall of the bottom of the fuel tank, a fifth bevel gear is fixedly connected with the left end of the fifth rotating shaft, a sixth bevel gear which is located in the transmission groove is meshed with the left end of the fifth bevel gear, a sixth rotating shaft which extends from front to back is fixedly installed at the center of the sixth bevel gear, the front end and the rear end of the sixth rotating shaft are rotatably installed in the front end wall and the rear end wall of the transmission groove, a reel which is located at the front side of the sixth bevel gear is fixedly connected with the sixth rotating shaft, the reel passes through the through-hole through the wire winding and is in sliding mounting the closing plate right-hand member fixed connection in the first spout, closing plate right-hand member fixed connection with the second spring of first spout right-hand member fixed mounting.

Preferably, the gear shifting assembly comprises a second sliding groove arranged in the left end wall of the frame, a stop block is fixedly mounted at the lower end of the second sliding groove, a second pressing plate is arranged in the left end wall of the frame in a sliding fit mode, a connecting block located in the second sliding groove is fixedly mounted at the left end of the second pressing plate, a third spring fixedly mounted at the upper end of the stop block is fixedly connected at the lower end of the connecting block, a fourth sliding groove is arranged in the left end wall of the frame, a third pressing plate which is in sliding fit with the fourth sliding groove and provided with a rack at the right part of the lower end of the third pressing plate is arranged at the left end of the frame, a fourth spring fixedly mounted at the right end wall of the fourth transmission cavity is fixedly connected at the right end of the third pressing plate, and a rubber trapezoidal block is fixedly.

Preferably, the gear shifting assembly further comprises a reaction box fixedly mounted at the left part of the bottom end of the rack, a vent plate is fixedly arranged in the right end of the reaction box, a fifth fixed block fixedly mounted at the upper end of the reaction box and fixedly mounted at the lower end of the fuel tank is arranged at the upper end of the reaction box, a fourth transmission cavity and a third chute are arranged in the fifth fixed block, a fourth chute is arranged at the upper end of the fourth transmission cavity, a fifth chute is arranged at the lower end of the fourth transmission cavity, a third pressing plate is in sliding fit with the fourth chute, a fourth spur gear is meshed at the lower end of the third pressing plate, a seventh rotating shaft extending from front to back is fixedly mounted at the center of the fourth spur gear, the front end and the rear end of the seventh rotating shaft are rotatably mounted in the front end wall and the rear end wall of the fourth transmission cavity, a moving plate with a rack at the upper end and in sliding fit with the fifth chute is meshed at the lower end of the fourth spur gear, the upper end of the reaction box is communicated with the fifth fixing block and is provided with a first feeding hole and a second feeding hole, and the lower end of the fuel tank is communicated with the fifth fixing block and is provided with a pipeline which is communicated with the first feeding hole and can be communicated with the second feeding hole.

The beneficial effects are that: the device during operation can adjust different burning intensity according to the burning task of difference to setting up through the air-blast subassembly has avoided needing the manpower to go the transport of control air in traditional burning is adjusted, has reduced the consumption of manpower and materials, thereby has improved the efficiency of work, realizes a plurality of functions through single motor, reduce cost and practice thrift the energy consumption.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic view of a combustion regulating apparatus according to the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to an embodiment of the present invention

FIG. 3 is an enlarged schematic view of the structure at B in FIG. 1 according to an embodiment of the present invention;

FIG. 4 is a schematic view of C-C in FIG. 1 according to an embodiment of the present invention.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

The invention will now be described in detail with reference to fig. 1-4, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The invention relates to a combustion adjusting device, which comprises a frame 1, wherein a control assembly is arranged at the right part in the frame 1, the control assembly comprises a motor 28 fixedly installed on the right end wall of the frame 1, the tail end of the motor 28 is in power connection with a first rotating shaft 29 extending leftwards and rightwards, the left end of the first rotating shaft is fixedly connected with a first belt wheel 27, the first belt wheel 27 is connected with a second belt wheel 22 through belt power, the right end of the frame 1 is fixedly provided with a first fixed block 16, a first transmission cavity 17 is arranged in the first fixed block, a spline shaft 14 extending leftwards and rightwards and penetrating through the right end wall of the first transmission cavity 17 and rotatably installed on the right end wall of the first transmission cavity 17 is fixedly installed at the center of the second belt wheel 22, the spline shaft 14 is in spline fit with a spline sleeve 20 positioned in the first transmission cavity 17, the spline sleeve 20 is rotatably installed, a fixed rod 23 is fixedly arranged at the lower end of the second fixed block, a sliding plate 24 which can slide at the bottom end of the first transmission cavity 17 is fixedly arranged at the lower end of the fixed rod, a first spring 26 fixedly arranged with the left end wall of the first transmission chamber 17 is fixedly connected with the left end of the sliding plate 24, a first pressing plate 25 which is in sliding fit with the right end wall of the machine frame 1 is fixedly arranged at the right end of the sliding plate 24, the right end of the spline sleeve 20 is fixedly connected with a first straight gear 21, the bottom end of the frame 1 is fixedly provided with a third fixed block 66, the third fixing block 66 is provided therein with a second transmission cavity 32 and a third transmission cavity 40, the third fixing block is provided therein with a blower assembly, a fourth fixed block 12 with the lower end fixedly connected with the upper end of the third fixed block is fixedly arranged at the upper end of the frame 1, a switch assembly is arranged at the inner upper part of the rack 1, and a gear shifting assembly is arranged in the left end wall of the rack 1.

Beneficially, the blower assembly includes a first bevel gear 30 fixedly connected to the first rotating shaft 29 and located on the right side of the first pulley 27, a second bevel gear 31 is engaged at the left end of the first bevel gear 30, a second rotating shaft 34 is fixedly installed at the center of the second bevel gear 31 and extends vertically, and the lower end of the second rotating shaft is rotatably installed at the bottom end of the second transmission cavity 32, the lower end of the second rotating shaft penetrates into the second transmission cavity 32 and is fixedly connected with a ratchet 33, a second spur gear 36 is engaged at the left end of the ratchet 33, a third rotating shaft 37 is fixedly installed at the center of the second spur gear 36 and extends vertically, the upper end and the lower end of the third rotating shaft 37 are rotatably installed in the upper end wall and the lower end wall of the second transmission cavity 32, the third rotating shaft is fixedly connected with a third bevel gear 35 located above the second spur gear 36, and a fourth bevel gear 38 is engaged at the left end of the third, a fourth rotating shaft 39 which extends left and right and is rotatably mounted on the third fixing block 66 through a bearing is fixedly mounted at the center of the fourth bevel gear 38, the left end of the fourth rotating shaft 39 is transmitted into the third transmission cavity 40 and is fixedly connected with a fan impeller 65, and a ventilation opening 41 is formed in the left end of the third transmission cavity 40.

Beneficially, the switch assembly includes a fifth rotating shaft 15 located above the spline shaft 14 and rotatably installed with the fourth fixed block 12 and the right end wall of the first transmission cavity 17, the fifth rotating shaft is fixedly connected with a third spur gear 18 located in the first transmission cavity 17 and capable of meshing with the first spur gear 21, the top end of the rack 1 is fixedly installed with a fuel tank 11, a transmission groove 44 and a first sliding groove 48 are arranged in the bottom end wall of the fuel tank, a fifth bevel gear 43 is fixedly connected to the left end of the fifth rotating shaft 13, a sixth bevel gear 45 located in the transmission groove 44 is meshed to the left end of the fifth bevel gear 43, a sixth rotating shaft 46 extending back and forth is fixedly installed at the center of the sixth bevel gear 45, both front and rear ends of the sixth rotating shaft are rotatably installed in the front and rear end walls of the transmission groove 44, and a reel 47 located at the front side of the sixth bevel gear 45 is fixedly connected to the sixth rotating shaft, a through hole is communicated between the transmission groove 44 and the first sliding groove 48, the reel passes through the through hole through a winding wire and is fixedly connected with the right end of a sealing plate 50 which is slidably installed in the first sliding groove 48, and the right end of the sealing plate 50 is fixedly connected with a second spring 49 which is fixedly installed on the right end wall of the first sliding groove 48.

Advantageously, the gear shifting assembly comprises a second sliding chute 54 arranged in the left end wall of the frame 1, a stop block 53 is fixedly arranged at the lower end of the second sliding chute 54, a second pressing plate 6 is slidably fitted in the left end wall of the frame 1, a coupling block 56 positioned in the second sliding chute 54 is fixedly arranged at the left end of the second pressing plate 6, a third spring 55 fixedly arranged at the upper end of the stop block 53 is fixedly connected to the lower end of the coupling block 56, a fourth sliding chute 52 is arranged in the left end wall of the frame 1, a third pressing plate 51 slidably fitted with the fourth sliding chute 52 and provided with a rack at the right end is arranged at the left end of the frame 1, a fourth spring 69 fixedly arranged at the right end wall of the fourth transmission cavity 67 is fixedly connected to the right end of the third pressing plate 51, and a rubber trapezoid block 57 is fixedly arranged at the upper end of the third pressing plate 51.

Beneficially, the gear shifting assembly further comprises a reaction box 2 fixedly mounted at the left portion of the bottom end of the rack 1, a vent plate 42 is fixedly arranged in the right end of the reaction box 2, a fifth fixed block 5 fixedly mounted at the upper end of the reaction box 2 and fixedly mounted at the lower end of the fuel tank 11, a fourth transmission cavity 67 and a third sliding chute 63 are arranged in the fifth fixed block, a fourth sliding chute 62 is arranged at the upper end of the fourth transmission cavity 67, and a fifth sliding chute 61 is arranged at the lower end of the fourth transmission cavity, the third pressing plate 51 is in sliding fit with the fourth sliding chute 62, a fourth spur gear 58 is meshed at the lower end of the third pressing plate 51, a seventh rotating shaft 59 extending back and forth is fixedly mounted at the center of the fourth spur gear 58, the front and back ends of the seventh rotating shaft 59 are rotatably mounted in the front and back end walls of the fourth transmission cavity 67, a moving plate 60 which is meshed at the lower end of the fourth spur gear 58 and has a rack and is in sliding fit with, the right end of the moving plate 60 is fixedly provided with a sealing block 64 which can be in sliding fit with the third sliding groove 63, the upper end of the reaction box 2 is communicated with the fifth fixing block 5 to be provided with a first feeding hole 3 and a second feeding hole 4, and the lower end of the fuel tank 11 is communicated with the fifth fixing block 5 to be provided with a pipeline 8 which is communicated with the first feeding hole 3 and can be communicated with the second feeding hole 4.

In an initial state, the motor is not started, the first spring, the second spring, the third spring and the fourth spring are in a normal stretching state, the rubber trapezoidal block 57 is located on the left side of the rack 1, the first straight gear 21 and the third straight gear 18 are not meshed, the friction force between the sixth rotating shaft 46 and the front and rear end walls of the transmission groove is greater than the elastic force of the second spring 49, and the sealing block 64 blocks the second feed port 4.

When the working is started, the first pressing plate 25 is pressed leftwards, the fixing rod 23 is driven to move leftwards by the sliding plate 24, so that the spline sleeve 20 is driven to move leftwards on the spline shaft 14 by the second fixing block 19, so that the first straight gear 21 is meshed with the third straight gear 18, at this time, the motor is started to rotate forwards, the motor rotates forwards to drive the first belt pulley 27 to rotate by the first rotating shaft 29, the first belt pulley 27 drives the second belt pulley 22 to rotate by the belt, the second belt pulley 22 drives the spline sleeve 20 to rotate by the spline shaft 14, the spline sleeve 20 drives the third straight gear 18 to rotate by the first straight gear 21, the third straight gear 18 drives the fifth bevel gear 43 to rotate by the fifth rotating shaft 13, and the fifth bevel gear 43 drives the reel 47 to rotate anticlockwise by the sixth bevel gear 45, the reel 47 moves the seal plate 50 to the right in the first slide groove 48 by winding, so that the fuel passes through the seal plate, and when the first pressing plate 25 is released, the slide plate 24 is moved to the right by the first spring pressure, so that the first spur gear 21 is disengaged from the third spur gear 18, and the fuel enters the pipe 8.

The motor 28 is started to rotate reversely, the motor 28 drives the first bevel gear 30 to rotate through the first rotating shaft 29, the first bevel gear 30 drives the second bevel gear 31 to rotate, so that the ratchet wheel 33 rotates, the ratchet wheel 33 drives the third bevel gear 35 to rotate through the second straight gear 36, and the third bevel gear 35 drives the fan wheel 65 to rotate through the fourth bevel gear 38, so that air is provided for the reaction box 2.

When the gear is required to be shifted, the third pressing plate 51 is pressed rightwards, so that the rubber trapezoid block 57 is positioned on the right side of the stop block 53, the third pressing plate 51 drives the fourth spur gear 58 to rotate clockwise, so that the moving plate 60 is driven to move leftwards in the fifth sliding groove 61, so that the sealing block 64 releases the second feed opening 4, and at the moment, fuel can enter the reaction box through the first feed opening and the second feed opening. When the resetting is desired, the second pressing plate 6 is pressed downward, and the second pressing plate 6 moves leftward by the fourth spring 69 through the second pressing plate 6 by pressing the rubber trapezoidal block 57, thereby resetting the gearshift assembly.

When the device is reset, the first pressing plate 25 is pressed, the motor 28 is started to rotate reversely, so that the winding wheel 47 releases the winding, and the sealing plate 50 closes the fuel tank under the action of the second spring 49.

The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.

Claims

1. A combustion adjusting device comprises a frame, a control assembly is arranged at the right part in the frame, the control assembly comprises a motor fixedly installed on the right end wall of the frame, the end power of the motor is connected with a first rotating shaft extending leftwards and rightwards, the left end of the first rotating shaft is fixedly connected with a first belt pulley, the first belt pulley is connected with a second belt pulley through belt power, a first fixed block is fixedly installed at the right end of the frame, a first transmission cavity is arranged in the first fixed block, a spline shaft which extends leftwards and rightwards and is penetrated by the right end of the second belt pulley and is rotatably installed on the right end wall of the first transmission cavity is fixedly installed at the center of the second belt pulley, a spline sleeve positioned in the first transmission cavity is in spline fit with the spline shaft, a second fixed block is rotatably installed on the spline sleeve through a bearing, a fixed rod is fixedly installed at the lower end of the second fixed block, and a, the improved gear shifting machine is characterized in that a sliding plate left end is fixedly connected with a first spring fixedly installed on a first transmission cavity left end wall, a sliding plate right end is fixedly installed with a first press plate in sliding fit with a frame right end wall, a spline sleeve right end is fixedly connected with a first straight gear, a frame bottom end is fixedly installed with a third fixed block, a second transmission cavity and a third transmission cavity are arranged in the third fixed block, an air blowing assembly is arranged in the third fixed block, a frame upper end is fixedly installed with a lower end and a third fixed block upper end is fixedly connected with a fourth fixed block, a switch assembly is arranged above the frame, and a gear shifting assembly is arranged in the frame left end wall.

2. A combustion regulating device as claimed in claim 1, characterized in that: the blower assembly comprises a first bevel gear fixedly connected with a first rotating shaft and positioned on the right side of the first bevel gear, the left end of the first bevel gear is meshed with a second bevel gear, the center of the second bevel gear is fixedly mounted with a second rotating shaft which extends up and down and the lower end of the second rotating shaft is rotatably mounted at the bottom of a second transmission cavity, the lower end of the second rotating shaft penetrates into a ratchet fixedly connected with the second transmission cavity, the left end of the ratchet is meshed with a second straight gear, the center of the second straight gear is fixedly mounted with a third rotating shaft which extends up and down, the upper end and the lower end of the third rotating shaft are rotatably mounted in the upper end wall and the lower end wall of the second transmission cavity, the third rotating shaft is fixedly connected with a third bevel gear positioned above the second straight gear, the left end of the third bevel gear is meshed with a fourth bevel gear, the center of the fourth bevel gear is fixedly mounted with a fourth rotating shaft which extends, the left end of the fourth rotating shaft is transmitted into the third transmission cavity and is fixedly connected with a fan wheel, and the left end of the third transmission cavity is provided with a ventilation opening.

3. A combustion regulating device according to claim 2, characterized in that: the switch component comprises a fifth rotating shaft which is positioned above the spline shaft and is rotatably installed on the right end wall of the fourth fixed block and the first transmission cavity, the fifth rotating shaft is fixedly connected with a third straight gear which is positioned in the first transmission cavity and is meshed with the first straight gear, a fuel tank is fixedly installed at the top end of the rack, a transmission groove and a first chute are arranged in the end wall of the bottom of the fuel tank, a fifth bevel gear is fixedly connected with the left end of the fifth rotating shaft, a sixth bevel gear which is positioned in the transmission groove is meshed with the left end of the fifth bevel gear, a sixth rotating shaft which extends from front to back is fixedly installed at the center of the sixth bevel gear, the front end wall and the rear end wall of the transmission groove are rotatably installed at the front side and the rear end wall of the transmission groove, a reel which is positioned at the front side of the sixth bevel gear is fixedly connected with the sixth rotating shaft, the reel passes through the through-hole through the wire winding and is in sliding mounting the closing plate right-hand member fixed connection in the first spout, closing plate right-hand member fixed connection with the second spring of first spout right-hand member fixed mounting.

4. A combustion regulating device according to claim 3, characterized in that: the gear shifting assembly comprises a second sliding groove arranged in the left end wall of the frame, a stop block is fixedly mounted at the lower end of the second sliding groove, a second pressing plate is arranged in the left end wall of the frame in a sliding fit mode, a connecting block located in the second sliding groove is fixedly mounted at the left end of the second pressing plate, the lower end of the connecting block is fixedly connected with a third spring fixedly mounted at the upper end of the stop block, a fourth sliding groove is arranged in the left end wall of the frame, the left end of the frame is provided with a third pressing plate which is in sliding fit with the fourth sliding groove and provided with a rack at the right end of the lower end, the right end of the third pressing plate is fixedly connected with a fourth spring fixedly mounted at the right end wall of the fourth transmission cavity, and a rubber trapezoidal block is fixedly mounted at the upper.

5. A combustion regulating device according to claim 4, characterized in that: the gear shifting assembly further comprises a reaction box fixedly mounted at the left part of the bottom end of the rack, a ventilating plate is fixedly arranged in the right end of the reaction box, a fifth fixed block fixedly mounted at the upper end of the reaction box is fixedly mounted at the lower end of the fuel tank, a fourth transmission cavity and a third sliding chute are arranged in the fifth fixed block, a fourth sliding chute is arranged at the upper end of the fourth transmission cavity, a fifth sliding chute is arranged at the lower end of the fourth transmission cavity, a third pressing plate is in sliding fit with the fourth sliding chute, a fourth spur gear is meshed at the lower end of the third pressing plate, a seventh rotating shaft extending from front to back is fixedly mounted at the center of the fourth spur gear, the front end and the rear end of the seventh rotating shaft are rotatably mounted in the front end wall and the rear end wall of the fourth transmission cavity, a movable plate with an upper end provided with a rack and in sliding fit with the fifth sliding chute is meshed at the lower end of the fourth spur gear, and a, the upper end of the reaction box is communicated with the fifth fixing block and is provided with a first feeding hole and a second feeding hole, and the lower end of the fuel tank is communicated with the fifth fixing block and is provided with a pipeline which is communicated with the first feeding hole and can be communicated with the second feeding hole.