CN113788156A - Aircraft tractor with automatic release tire and neutral gear conversion device - Google Patents
Aircraft tractor with automatic release tire and neutral gear conversion device Download PDFInfo
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- CN113788156A CN113788156A CN202111009998.8A CN202111009998A CN113788156A CN 113788156 A CN113788156 A CN 113788156A CN 202111009998 A CN202111009998 A CN 202111009998A CN 113788156 A CN113788156 A CN 113788156A
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- 230000007935 neutral effect Effects 0.000 title claims abstract description 54
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 230000003137 locomotive effect Effects 0.000 claims abstract description 9
- 238000012545 processing Methods 0.000 claims description 40
- 239000010720 hydraulic oil Substances 0.000 claims description 26
- 239000003921 oil Substances 0.000 claims description 24
- 239000002184 metal Substances 0.000 claims description 22
- 230000001681 protective effect Effects 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims 9
- 230000000694 effects Effects 0.000 abstract description 6
- 238000012856 packing Methods 0.000 abstract description 2
- 230000008859 change Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000006378 damage Effects 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F1/00—Ground or aircraft-carrier-deck installations
- B64F1/22—Ground or aircraft-carrier-deck installations for handling aircraft
- B64F1/223—Ground or aircraft-carrier-deck installations for handling aircraft for towing aircraft
- B64F1/225—Vehicles specially adapted therefor, e.g. aircraft tow tractors
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- Aviation & Aerospace Engineering (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
The invention discloses an aircraft tractor with an automatic release tire and a neutral gear conversion device, which comprises a tractor body; through setting up couple ejection mechanism, neutral gear switching wheel and locking wheel pneumatic cylinder, under normal condition, couple ejection mechanism and neutral gear switching wheel are in the state of packing up, lock the tire of aircraft through locking the wheel pneumatic cylinder, when the vehicle mounted power outage, locking the wheel pneumatic cylinder and rotate and remove the locking to the tire, and pop out the couple through couple ejection mechanism, make things convenient for the fire fighter to pass through couple pulling tractor, neutral gear switching wheel lifts up the one end of locomotive upwards simultaneously, and then make the locomotive bottom be in the drive wheel under the fender position state and lift up, and then make the fire fighter more laborsaving when pulling the automobile body through the couple, and when the vehicle mounted power outage, launch couple and release tire and neutral gear conversion have reached the effect of linkage simultaneously.
Description
Technical Field
The invention belongs to the technical field of aircraft tractors, and particularly relates to an aircraft tractor with an automatic release tire and a neutral gear conversion device.
Background
The aircraft tractor is a guarantee device for dragging an aircraft on the ground, and can be used for moving large parts of the aircraft or the aircraft in the aircraft manufacturing process. In the process of airplane assembly, a motor power system without exhaust emission and low noise is generally adopted for the consideration of energy and environmental protection; the motor power system takes a vehicle-mounted power supply as power, and the wheels are driven by the motor to run, wherein the important point is that the vehicle-mounted power supply has certain spontaneous combustion risk, when the aircraft tractor spontaneously combusts, in order to reduce loss, the accident tractor needs to be quickly separated from the original position to be far away from the aircraft, so that larger fire disasters are prevented from being caused, and economic loss is increased.
And current aircraft tractor takes place when spontaneous combustion in the traction process, the aircraft front wheel is locked by the tractor, can cause the damage to the aircraft tire along with stretching of intensity of a fire, and lead to the aircraft to be in high temperature for a long time and toast or the burning state, the harm that leads to the fact the aircraft is great, but because the intensity of a fire is great, fire fighter is difficult to be close to, and because the tractor is in the locking state to the aircraft tire, and be in a certain fender position and carry out low-speed traction to the aircraft, and then lead to the tractor to be difficult to shift fast, and then lead to the aircraft to receive the conflagration injury for a long time, economic loss has been increased, consequently, an aircraft tractor with automatic release tire and neutral gear conversion equipment is proposed.
Disclosure of Invention
The invention aims to overcome the technical problems of the prior art and provide an aircraft tractor with an automatic release tire and a neutral gear conversion device, so as to solve the problems that the tractor is difficult to transfer quickly and is damaged by fire for a long time and economic loss is increased because the tractor is in a locking state to the tire of the aircraft and is in a certain gear to pull the aircraft at a low speed due to large fire intensity and fire fighters are difficult to approach.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an aircraft tractor with automatic release tire and neutral gear conversion equipment, includes and pulls the automobile body, it is provided with the locomotive to pull automobile body one end, the locomotive bottom is provided with couple ejection mechanism, the direction of locomotive is kept away from to the both sides of pulling the automobile body lower extreme has set gradually drive wheel, neutral gear conversion wheel and directive wheel, toolbox and recess, one side have all been seted up to the both sides on pulling the automobile body top the toolbox inboard is provided with stand-by power supply, central processing module and electromagnetic switch, opposite side toolbox inside is provided with solenoid valve three, hydraulic pump, hydraulic tank, solenoid valve one and solenoid valve two, wheel pneumatic cylinder and hydraulic pump are embraced through metal oil pipe fixedly connected with in the three both ends of solenoid valve, the recess is inside through the equal fixedly connected with lift drive cylinder of fixed block.
Preferably, one side of the neutral gear conversion wheel shaft end close to the traction vehicle body is rotatably connected with connecting discs, and the connecting discs are fixedly connected with the output end of the lifting driving cylinder.
Preferably, the wheel holding hydraulic cylinder is rotatably connected above the lifting arm through a rotating block, one end, far away from the vehicle head, of the lifting arm is rotatably connected with a wheel holding plate, the outer side of the wheel holding plate is rotatably connected with the output end of the wheel holding hydraulic cylinder, the wheel holding plates are symmetrically arranged on the inner side of the traction vehicle body, and a wheel dragging table is arranged between the wheel holding plates on the two sides of the inner side of the traction vehicle body.
Preferably, the input end of the hydraulic pump is fixedly connected with a hydraulic oil tank through a metal oil pipe, the hydraulic oil tank is fixedly connected with one end of the first electromagnetic valve through the metal oil pipe, and the other end of the first electromagnetic valve is fixedly connected with the wheel holding hydraulic cylinder through the metal oil pipe.
Preferably, a branch pipe is fixedly connected between the electromagnetic valve III and the hydraulic pump on the outer side of the metal oil pipe, the electromagnetic valve II is located on the branch pipe, and the other end of the branch pipe is fixedly connected with the input end of the lifting driving cylinder.
Preferably, the third electromagnetic valve, the first electromagnetic valve and the second electromagnetic valve are electrically connected with a vehicle-mounted power supply, and the central processing module is electrically connected with the vehicle-mounted power supply through an electromagnetic switch.
Preferably, an electromagnetic switch is arranged between the standby power supply and the central processing module, and the central processing module is electrically connected with the hook ejection mechanism and the hydraulic pump respectively.
Preferably, the steering wheel is rotatably connected with the traction vehicle body, a steering driving cylinder is rotatably connected to the inner side of the traction vehicle body corresponding to the steering wheel, and the steering driving cylinder is electrically connected with the central processing module.
Preferably, the input end of the central processing module is electrically connected with a temperature sensor, and the temperature sensor is located on the vehicle-mounted power supply.
Preferably, the tool box and the top end of the groove are both provided with protective covers.
Compared with the prior art, the invention provides an aircraft tractor with an automatic release tire and a neutral gear conversion device, which has the following beneficial effects:
1. according to the invention, the hook ejection mechanism, the neutral gear conversion wheel and the wheel locking hydraulic cylinder are arranged, the hook ejection mechanism and the neutral gear conversion wheel are in a retracted state under a normal state, tires of an airplane are locked through the wheel locking hydraulic cylinder, when a vehicle-mounted power supply is powered off, the wheel locking hydraulic cylinder rotates to relieve locking of the tires, and the hook is ejected through the hook ejection mechanism, so that a fire fighter can conveniently pull a tractor through the hook, meanwhile, the neutral gear conversion wheel lifts one end of a vehicle head upwards, a driving wheel at the bottom of the vehicle head in a gear state is lifted, further, the fire fighter can pull a tractor body through the hook more labor-saving, and when the vehicle-mounted power supply is powered off, the hook is ejected, the tires are released, and neutral gear conversion achieves the effect of simultaneous linkage;
2. according to the invention, by arranging the third electromagnetic valve, the first electromagnetic valve and the second electromagnetic valve, the third electromagnetic valve is in an open state under the power-on condition, the first electromagnetic valve and the second electromagnetic valve are both in a closed state under the power-on condition, the hydraulic pump is controlled by the central processing module to work, so that the hydraulic pump inputs hydraulic oil in a hydraulic oil tank into the wheel-locking hydraulic cylinder, the tire locking work is completed through the wheel-locking hydraulic cylinder, when a vehicle-mounted power supply is in the power-off condition, the third electromagnetic valve is in a closed state, the first electromagnetic valve and the second electromagnetic valve are both in an open state, when the first electromagnetic valve is open, the hydraulic oil in the wheel-locking hydraulic cylinder returns to the interior of the hydraulic oil tank through the metal oil pipe connected with the first electromagnetic valve, and then the wheel-locking hydraulic cylinder is directly unloaded, so that the wheel-locking hydraulic cylinder loses power, and the effect of automatically releasing the tire is achieved when the vehicle-mounted power supply is powered off;
3. according to the invention, by arranging the third electromagnetic valve, the second electromagnetic valve and the electromagnetic switch, when a vehicle-mounted power supply is in a power-off state, the third electromagnetic valve is in a closed state, the first electromagnetic valve and the second electromagnetic valve are both in an on state, a power connection piece of the electromagnetic switch connects a standby power supply with the central processing module, working electric energy is provided for the central processing module through the standby power supply at the moment, when the central processing module controls the hydraulic pump to work again, the hydraulic pump outputs hydraulic oil in the hydraulic oil tank again, the third electromagnetic valve between the hydraulic pump and the wheel clasping hydraulic cylinder is in a closed state, the second electromagnetic valve is in an on state, the hydraulic pump can only control the lifting driving cylinder through a metal oil pipe connected with the second electromagnetic valve, and the lifting driving cylinder pushes the neutral gear switching wheels at two sides of the tractor body downwards so as to lift the tractor body in the opposite direction, and further the driving wheel at the bottom of the locomotive in a gear state is lifted.
The device has the advantages that the structure is scientific and reasonable, the use is safe and convenient, and great help is provided for people.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention without limiting the invention in which:
fig. 1 is a schematic perspective view of an aircraft tractor with an automatic release tire and a neutral gear shifting device according to the present invention;
FIG. 2 is a schematic structural view of a tractor body in an aircraft tractor having an automatic release tire and a neutral shift device according to the present invention;
FIG. 3 is a schematic view of the internal structure of the tractor body of an aircraft tractor with automatic release tires and neutral shift device according to the present invention;
FIG. 4 is a schematic bottom view of an aircraft tractor with an automatic release tire and neutral shift device in accordance with the present invention;
FIG. 5 is a schematic front view of an aircraft tractor having an automatic release tire and neutral shift device in accordance with the present invention;
FIG. 6 is a schematic diagram of a wheel holding hydraulic cylinder releasing a tire in an aircraft tractor with an automatic release tire and a neutral gear shifting device according to the present invention;
FIG. 7 is a schematic electrical schematic of a hook launching mechanism and hydraulic pump in an aircraft tractor having an automatic release tire and neutral shifting apparatus in accordance with the present invention;
FIG. 8 is a schematic representation of an aircraft tractor having an automatic release tire and neutral shift according to the present invention;
in the figure: the device comprises a traction vehicle body 1, a vehicle head 2, a hook ejection mechanism 3, a driving wheel 4, a neutral gear conversion wheel 5, a steering wheel 6, a tool box 7, a groove 8, a fixed block 9, a standby power supply 10, a third electromagnetic valve 11, a metal oil pipe 12, a wheel holding hydraulic cylinder 13, a hydraulic pump 14, a connecting disc 15, a lifting driving cylinder 16, a rotating block 17, a lifting arm 18, a wheel holding plate 19, a tug platform 20, a hydraulic oil tank 21, a first electromagnetic valve 22, a second electromagnetic valve 23, a central processing module 24, a temperature sensor 25, an electromagnetic switch 26, a steering driving cylinder 27 and a protective cover 28.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, the present invention provides a technical solution: the aircraft tractor with the automatic tire releasing and neutral gear switching device comprises a traction vehicle body 1, one end of the traction vehicle body 1 is provided with a vehicle head 2, the bottom end of the vehicle head 2 is provided with a hook ejection mechanism 3, driving wheels 4, a neutral gear switching wheel 5 and a steering wheel 6 are sequentially arranged in the direction of keeping two sides of the lower end of the traction vehicle body 1 away from the vehicle head 2, tool boxes 7 and grooves 8 are respectively arranged on two sides of the top end of the traction vehicle body 1, a standby power supply 10, a central processing module 24 and an electromagnetic switch 26 are arranged on the inner side of the tool box 7 on one side, a third electromagnetic valve 11, a hydraulic pump 14, a hydraulic oil tank 21, a first electromagnetic valve 22 and a second electromagnetic valve 23 are arranged inside the tool box 7 on the other side, two ends of the third electromagnetic valve 11 are fixedly connected with a wheel holding hydraulic cylinder 13 and the hydraulic pump 14 through a metal oil pipe 12, a lifting driving cylinder 16 is fixedly connected inside the groove 8 through a fixing block 9, and the ejection hook mechanism 3 is arranged, Neutral gear change wheel 5 and embrace wheel pneumatic cylinder 13, under normal conditions, couple ejection mechanism 3 and neutral gear change wheel 5 are in the state of packing up, lock the tire of aircraft through embracing wheel pneumatic cylinder 13, when the on-vehicle power supply outage, it removes the locking to the tire to embrace wheel pneumatic cylinder 13 and rotate, and pop out the couple through couple ejection mechanism 3, make things convenient for the fire fighter to pass through couple pulling tractor, neutral gear change wheel 5 upwards lifts up the one end of locomotive 2 simultaneously, and then make locomotive 2 bottom be in drive wheel 4 under the fender position state and lift up, and then make the fire fighter save more laborsaving when pulling automobile body 1 through the couple, and when the on-vehicle power supply outage, launch couple and release tire and neutral gear conversion have reached the effect of linkage simultaneously.
In the invention, preferably, connecting discs 15 are rotatably connected to one sides of shaft ends of the neutral gear conversion wheels 5 close to the traction vehicle body 1, the connecting discs 15 are fixedly connected with output ends of the lifting driving cylinders 16, the output ends of the lifting driving cylinders 16 are fixedly connected with the connecting discs 15, the neutral gear conversion wheels 5 positioned on two sides of the traction vehicle body 1 are rotatably connected with the connecting discs 15, and further, when the lifting driving cylinders 16 push the connecting discs 15, the neutral gear conversion wheels 5 on two sides of the traction vehicle body 1 are pushed downwards, so that the traction vehicle body 1 is lifted in the opposite direction, and further, the driving wheel 4 at the bottom of the vehicle head 2 in a gear state is lifted, and further, a fire fighter can pull the traction vehicle body 1 through a hook more labor-saving manner.
In the invention, preferably, the wheel locking hydraulic cylinder 13 is rotatably connected above the lifting arm 18 through a rotating block 17, one end of the lifting arm 18, which is far away from the vehicle head 2, is rotatably connected with a wheel locking plate 19, the outer side of the wheel locking plate 19 is rotatably connected with the output end of the wheel locking hydraulic cylinder 13, the wheel locking plates 19 are symmetrically arranged on the inner side of the towing vehicle body 1, a towing wheel platform 20 is arranged on the inner side of the towing vehicle body 1, which is positioned between the wheel locking plates 19 on the two sides, so that the wheel locking hydraulic cylinder 13 pushes the wheel locking plate 19 rotatably connected with one end of the lifting arm 18, and the wheel locking plates 19 symmetrically arranged on the inner side of the towing vehicle body 1 relatively rotate, thereby locking the tire of the aircraft.
In the invention, preferably, the input end of the hydraulic pump 14 is fixedly connected with the hydraulic oil tank 21 through the metal oil pipe 12, the hydraulic oil tank 21 is fixedly connected with one end of the first electromagnetic valve 22 through the metal oil pipe 12, the other end of the first electromagnetic valve 22 is fixedly connected with the wheel-locking hydraulic cylinder 13 through the metal oil pipe 12, so that a loop is formed among the wheel-locking hydraulic cylinder 13, the hydraulic oil tank 21 and the first electromagnetic valve 22, when the vehicle-mounted power supply is in a power-off state, the first electromagnetic valve 22 is in an on state, hydraulic oil in the wheel-locking hydraulic cylinder 13 returns to the interior of the hydraulic oil tank 21 through the metal oil pipe 12 connected with the first electromagnetic valve 22, and then the oil is directly discharged from the wheel-locking hydraulic cylinder 13, so that the wheel-locking plate 19 at one end of the wheel-locking hydraulic cylinder 13 loses the driving force, and the wheel-locking plate 19 at the inner side of the tractor body 1 loses the airplane tire locking capability.
In the invention, preferably, a branch pipe is fixedly connected between the electromagnetic valve III 11 and the hydraulic pump 14 on the outer side of the metal oil pipe 12, the electromagnetic valve II 23 is positioned on the branch pipe, the other end of the branch pipe is fixedly connected with the input end of the lifting driving cylinder 16, when the vehicle-mounted power supply is in a power-off state, the electromagnetic valve III 11 is in a closed state, the electromagnetic valve II 23 is in an open state, the hydraulic pump 14 outputs the hydraulic oil in the hydraulic oil tank 21 again, and the electromagnetic valve III 11 positioned between the hydraulic pump 14 and the wheel-clasping hydraulic cylinder 13 is in a closed state, the electromagnetic valve II 23 is in an open state, and the hydraulic pump 14 can only control the lifting driving cylinder 16 through the metal oil pipe 12 connected with the second electromagnetic valve 23, thereby pushing the neutral gear change wheels 5 at the two sides of the tractor body 1 downwards through the lifting driving cylinder 16, so as to lift the traction vehicle body 1 in the opposite direction, and further lift the driving wheel 4 at the bottom of the vehicle head 2 in the gear state.
In the invention, preferably, the electromagnetic valve three 11, the electromagnetic valve one 22 and the electromagnetic valve two 23 are all electrically connected with a vehicle-mounted power supply, the central processing module 24 is electrically connected with the vehicle-mounted power supply through the electromagnetic switch 26, under the normal use condition, the vehicle-mounted power supply in the tractor body 1 supplies power to the electromagnetic valve three 11, the electromagnetic valve one 22, the electromagnetic valve two 23 and the central processing module 24, the electromagnetic valve three 11 is in an open state under the power-on condition, the electromagnetic valve one 22 and the electromagnetic valve two 23 are in a closed state under the power-on condition, when the vehicle-mounted power supply is powered off, the electromagnetic valve three 11 is in the closed state, the electromagnetic valve one 22 and the electromagnetic valve two 23 are both in the open state, and the electromagnetic switch 26 disconnects the central processing module 24 from the vehicle-mounted power supply.
In the present invention, preferably, an electromagnetic switch 26 is disposed between the standby power supply 10 and the central processing module 24, the central processing module 24 is electrically connected to the hook ejecting mechanism 3 and the hydraulic pump 14, respectively, when the electromagnetic switch 26 is powered on with the vehicle-mounted power supply, the central processing module 24 is in an off state with the standby power supply 10, when the vehicle-mounted power supply is powered off, a power connection piece of the electromagnetic switch 26 connects the standby power supply 10 with the central processing module 24, and at this time, the standby power supply 10 provides working power for the central processing module 24.
In the present invention, preferably, the steering wheel 6 is rotatably connected to the towing vehicle body 1, the steering driving cylinder 27 is rotatably connected to the inner side of the towing vehicle body 1 corresponding to the steering wheel 6, the steering driving cylinder 27 is electrically connected to the central processing module 24, and during the moving process, the central processing module 24 controls the steering driving cylinder 27 according to the steering signal, so that the steering driving cylinder 27 simultaneously rotates the steering wheels 6 on both sides of the towing vehicle body 1 in the same direction, thereby controlling the moving direction of the towing vehicle body 1.
In the invention, preferably, the input end of the central processing module 24 is electrically connected with the temperature sensor 25, the temperature sensor 25 is positioned on the vehicle-mounted power supply, the temperature of the vehicle-mounted power supply is detected by the temperature sensor 25, and when the temperature is too high, the central processing module 24 controls the hook ejection mechanism 3 to eject the hook, so that a fireman can conveniently pull the tractor through the hook.
In the present invention, it is preferable that the protective covers 28 are provided on the top ends of the tool box 7 and the groove 8 to protect the tool box 7 and the groove 8, and the tool box 7 is used to protect each member from fire.
The working principle and the using process of the invention are as follows: under the normal use condition, the vehicle-mounted power supply in the towing vehicle body 1 provides electricity for the electromagnetic valve III 11, the electromagnetic valve I22, the electromagnetic valve II 23 and the central processing module 24, the electromagnetic valve III 11 is in an open state under the electrified condition, the electromagnetic valve I22 and the electromagnetic valve II 23 are both in a closed state under the electrified condition, the central processing module 24 controls the hydraulic pump 14 to work, the hydraulic pump 14 inputs hydraulic oil in the hydraulic oil tank 21 into the wheel locking hydraulic cylinder 13, the wheel locking hydraulic cylinder 13 pushes the wheel locking plate 19 connected with one end of the lifting arm 18 in a rotating manner, the wheel locking plates 19 symmetrically arranged on the inner side of the towing vehicle body 1 relatively rotate, the tire of the airplane is locked, the tire of the airplane is lifted through the lifting arm 18 and the tug platform 20, the towing vehicle body 1 is driven by the driving wheel 4, the central processing module 24 controls the steering driving cylinder 27 according to a steering signal during the moving process, the steering driving cylinder 27 is used for simultaneously rotating the steering wheels 6 at the two sides of the tractor body 1 in the same direction, so as to control the moving direction of the tractor body 1;
when the vehicle-mounted power supply in the towing vehicle body 1 spontaneously ignites, the temperature of the vehicle-mounted power supply is detected through the temperature sensor 25, when the temperature is too high, the central processing module 24 controls the hook ejection mechanism 3 to eject the hook, so that a fireman can conveniently pull the towing vehicle through the hook, and meanwhile, the vehicle-mounted power supply is in a power-off state, the electromagnetic valve III 11, the electromagnetic valve I22 and the electromagnetic valve II 23 are powered off, the electromagnetic valve III 11 is in a closed state, the electromagnetic valve I22 and the electromagnetic valve II 23 are both in an open state, when the electromagnetic valve I22 is opened, hydraulic oil in the wheel locking hydraulic cylinder 13 returns to the interior of the hydraulic oil tank 21 through the metal oil pipe 12 connected with the electromagnetic valve I22, so that the oil is directly discharged from the wheel locking hydraulic cylinder 13, the wheel locking plate 19 at one end of the wheel locking hydraulic cylinder 13 is made to lose driving force, and the wheel locking plate 19 on the inner side of the towing vehicle body 1 is made to lose locking capacity of aircraft tires at the same time, therefore, the effect of automatically releasing the tire is achieved when the vehicle-mounted power supply is powered off, the electromagnetic switch 26 is arranged between the vehicle-mounted power supply and the standby power supply 10, when the electromagnetic switch 26 is powered on with the vehicle-mounted power supply, the central processing module 24 and the standby power supply 10 are in a disconnected state, when the vehicle-mounted power supply is powered off, the standby power supply 10 and the central processing module 24 are connected through a power connection piece of the electromagnetic switch 26, the standby power supply 10 provides working electric energy for the central processing module 24, when the central processing module 24 controls the hydraulic pump 14 to work again, the hydraulic pump 14 outputs the hydraulic oil in the hydraulic oil tank 21 again, the electromagnetic valve III 11 between the hydraulic pump 14 and the wheel holding hydraulic cylinder 13 is in a closed state, the electromagnetic valve II 23 is in an opened state, and the hydraulic pump 14 can only control the lifting driving cylinder 16 through the metal oil pipe 12 connected with the electromagnetic valve II 23, the output ends of the lifting driving cylinders 16 are fixedly connected with connecting discs 15, neutral gear conversion wheels 5 positioned on two sides of the traction vehicle body 1 are rotatably connected with the connecting discs 15, and further when the lifting driving cylinders 16 push the connecting discs 15, the neutral gear conversion wheels 5 on two sides of the traction vehicle body 1 are pushed downwards, so that the traction vehicle body 1 is lifted in the opposite direction, and further the driving wheel 4 at the bottom of the vehicle head 2 in a gear state is lifted, so that a fireman can pull the traction vehicle body 1 through a hook more conveniently, in the moving process, the steering driving cylinders 27 can be controlled through the central processing module 24 according to steering signals, so that the steering driving cylinders 27 push the steering wheels 6 to rotate to control the pulling direction, and the effects of simultaneously linking the ejection hook, tire release and neutral gear conversion when a vehicle-mounted power supply is powered off are achieved;
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. An aircraft tractor with automatic release tires and neutral-gear shifting device, comprising a tractor body (1), characterized in that: a headstock (2) is arranged at one end of the traction vehicle body (1), a hook ejection mechanism (3) is arranged at the bottom end of the headstock (2), driving wheels (4), neutral gear switching wheels (5) and steering wheels (6) are sequentially arranged on two sides of the lower end of the traction vehicle body (1) in a direction away from the headstock (2), tool boxes (7) and grooves (8) are arranged on two sides of the top end of the traction vehicle body (1), a standby power supply (10), a central processing module (24) and an electromagnetic switch (26) are arranged on the inner side of the tool box (7) on one side, a solenoid valve III (11), a hydraulic pump (14), a hydraulic oil tank (21), a solenoid valve I (22) and a solenoid valve II (23) are arranged in the tool box (7) on the other side, a wheel embracing hydraulic cylinder (13) and the hydraulic pump (14) are fixedly connected to two ends of the solenoid valve III (11) through a metal oil pipe (12), and the inside of the groove (8) is fixedly connected with a lifting driving cylinder (16) through a fixing block (9).
2. An aircraft tractor having an automatic release tire and neutral transition as in claim 1 wherein: and one side of the shaft end of the neutral gear conversion wheel (5), which is close to the traction vehicle body (1), is rotatably connected with a connecting disc (15), and the connecting disc (15) is fixedly connected with the output end of the lifting driving cylinder (16).
3. An aircraft tractor having an automatic release tire and neutral transition as in claim 2 wherein: embrace wheel pneumatic cylinder (13) and rotate through turning block (17) and connect in the top of lifting arm (18), the one end that lifts arm (18) and keep away from locomotive (2) rotates and is connected with and embraces wheel board (19), it rotates with the output of embracing wheel pneumatic cylinder (13) to embrace wheel board (19) the outside and is connected, it embraces wheel board (19) to pull automobile body (1) inboard symmetry, it is provided with between wheel board (19) to be located both sides and drags wheel platform (20) to pull automobile body (1) inboard.
4. An aircraft tractor having an automatic release tire and neutral transition as in claim 3 wherein: the input end of the hydraulic pump (14) is fixedly connected with a hydraulic oil tank (21) through a metal oil pipe (12), the hydraulic oil tank (21) is fixedly connected with one end of a first electromagnetic valve (22) through the metal oil pipe (12), and the other end of the first electromagnetic valve (22) is fixedly connected with a wheel holding hydraulic cylinder (13) through the metal oil pipe (12).
5. An aircraft tractor having an automatic release tire and neutral transition as in claim 4 wherein: and a branch pipe is fixedly connected between the electromagnetic valve III (11) and the hydraulic pump (14) on the outer side of the metal oil pipe (12), the electromagnetic valve II (23) is positioned on the branch pipe, and the other end of the branch pipe is fixedly connected with the input end of the lifting driving cylinder (16).
6. An aircraft tractor having an automatic release tire and neutral transition as in claim 5 wherein: the electromagnetic valve III (11), the electromagnetic valve I (22) and the electromagnetic valve II (23) are electrically connected with a vehicle-mounted power supply, and the central processing module (24) is electrically connected with the vehicle-mounted power supply through an electromagnetic switch (26).
7. An aircraft tractor having an automatic release tire and neutral transition as in claim 6 wherein: an electromagnetic switch (26) is arranged between the standby power supply (10) and the central processing module (24), and the central processing module (24) is electrically connected with the hook ejection mechanism (3) and the hydraulic pump (14) respectively.
8. An aircraft tractor having an automatic release tire and neutral transition as in claim 7 wherein: the steering wheel (6) is rotationally connected with the traction vehicle body (1), the inner side of the traction vehicle body (1) corresponds to the steering wheel (6) and is rotationally connected with a steering driving cylinder (27), and the steering driving cylinder (27) is electrically connected with the central processing module (24).
9. An aircraft tractor having an automatic release tire and neutral transition as in claim 1 wherein: the input end of the central processing module (24) is electrically connected with a temperature sensor (25), and the temperature sensor (25) is positioned on the vehicle-mounted power supply.
10. An aircraft tractor having an automatic release tire and neutral transition as in claim 9 wherein: tool box (7) and recess (8) top all are provided with protective cover (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111009998.8A CN113788156A (en) | 2021-08-31 | 2021-08-31 | Aircraft tractor with automatic release tire and neutral gear conversion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111009998.8A CN113788156A (en) | 2021-08-31 | 2021-08-31 | Aircraft tractor with automatic release tire and neutral gear conversion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113788156A true CN113788156A (en) | 2021-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111009998.8A Pending CN113788156A (en) | 2021-08-31 | 2021-08-31 | Aircraft tractor with automatic release tire and neutral gear conversion device |
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| Country | Link |
|---|---|
| CN (1) | CN113788156A (en) |
Citations (5)
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| CN205952337U (en) * | 2016-07-30 | 2017-02-15 | 深圳市劲拓自动化设备股份有限公司 | Mecanum wheel aircraft qxcomm technology does not have pole tractor |
| CN107054964A (en) * | 2017-06-25 | 2017-08-18 | 天津市山石机器人有限责任公司 | Underbody seat jacking apparatus is carried in a kind of submersible homing guidance |
| CN206644888U (en) * | 2017-03-16 | 2017-11-17 | 广州林茨机电科技有限公司 | One-way single-drive submarine AGV based on magnetic navigation |
| RU180214U1 (en) * | 2017-06-29 | 2018-06-06 | Общество с ограниченной ответственностью "Научно-производственное предприятие Авиаспецмаш" | AIRCRAFT LESS DRIVER |
| CN110615116A (en) * | 2019-09-29 | 2019-12-27 | 北京航瑞达科技有限公司 | Novel electric traction device of double-rudder hydraulic steering clamp type for airplane |
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2021
- 2021-08-31 CN CN202111009998.8A patent/CN113788156A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205952337U (en) * | 2016-07-30 | 2017-02-15 | 深圳市劲拓自动化设备股份有限公司 | Mecanum wheel aircraft qxcomm technology does not have pole tractor |
| CN206644888U (en) * | 2017-03-16 | 2017-11-17 | 广州林茨机电科技有限公司 | One-way single-drive submarine AGV based on magnetic navigation |
| CN107054964A (en) * | 2017-06-25 | 2017-08-18 | 天津市山石机器人有限责任公司 | Underbody seat jacking apparatus is carried in a kind of submersible homing guidance |
| RU180214U1 (en) * | 2017-06-29 | 2018-06-06 | Общество с ограниченной ответственностью "Научно-производственное предприятие Авиаспецмаш" | AIRCRAFT LESS DRIVER |
| CN110615116A (en) * | 2019-09-29 | 2019-12-27 | 北京航瑞达科技有限公司 | Novel electric traction device of double-rudder hydraulic steering clamp type for airplane |
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