CN113501136B - Aircraft tractor with high elasticity bumper shock absorber - Google Patents
Aircraft tractor with high elasticity bumper shock absorber Download PDFInfo
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- CN113501136B CN113501136B CN202111066161.7A CN202111066161A CN113501136B CN 113501136 B CN113501136 B CN 113501136B CN 202111066161 A CN202111066161 A CN 202111066161A CN 113501136 B CN113501136 B CN 113501136B
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- aircraft
- shock absorber
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- 230000035939 shock Effects 0.000 title claims abstract description 97
- 239000006096 absorbing agent Substances 0.000 title claims abstract description 68
- 238000010521 absorption reaction Methods 0.000 claims abstract description 25
- 238000013016 damping Methods 0.000 claims abstract description 8
- 238000003860 storage Methods 0.000 claims description 31
- 238000000034 method Methods 0.000 description 9
- 238000007789 sealing Methods 0.000 description 9
- 238000001125 extrusion Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 238000003825 pressing Methods 0.000 description 5
- 230000005484 gravity Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000007774 longterm Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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Classifications
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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
- B64F1/224—Towing bars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60D—VEHICLE CONNECTIONS
- B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
- B60D1/24—Traction couplings; Hitches; Draw-gear; Towing devices characterised by arrangements for particular functions
- B60D1/243—Traction couplings; Hitches; Draw-gear; Towing devices characterised by arrangements for particular functions for protection in case of crash, collision, impact, or the like
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention discloses an aircraft tractor with a high-elasticity shock absorber, which relates to the technical field of shock absorbers and comprises a tractor, wherein one end of the tractor is connected with a traction main rod through a universal hinge joint, one end of the traction main rod is provided with a first traction auxiliary rod, one end of the first traction auxiliary rod is connected with a second traction auxiliary rod through a shock absorption assembly, one end of the second traction auxiliary rod is arranged at a connector connected with an aircraft, the traction main rod is hinged with a support assembly, the traction main rod is also provided with a fixed seat, a telescopic adjusting rod is arranged between the fixed seat and the top end of the support assembly, the telescopic adjusting rod is hinged with the support assembly and the fixed seat, the inertia acting force of the aircraft can be absorbed through the design of the shock absorption assembly, the influence of the inertia force of the aircraft is reduced, and meanwhile, the shock can be absorbed through a rubber sleeve outside the shock absorber, when the intensity of the damping component is greatly improved, the elasticity of the damping component is also improved.
Description
Technical Field
The invention relates to the technical field of shock absorbers, in particular to an aircraft tractor with a high-elasticity shock absorber.
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; tractors can be divided into rod tractors and rodless tractors according to different traction modes; the rod-type tractor is a special vehicle which is connected with an airplane by using a special traction rod matched with the airplane and implements the traction operation on the airplane; the airplane traction rod is a special rod which has the functions of transmitting power and slowing down the impact of a tractor on an airplane;
when the existing rod-type tractor is used, the aircraft traction rod is used, when the tractor is decelerated or braked, the aircraft is large in mass and large in inertia, when the tractor stops, the aircraft can continuously move forwards for a certain distance under the action of inertia, at the moment, large extrusion force can be caused to the traction rod, the service life of the traction rod is further influenced, and due to the fact that the aircraft is large in inertia, a low-elasticity shock absorber cannot play a good shock absorption effect and is easy to damage, and therefore the problem is solved by urgently needing the aircraft tractor with the high-elasticity shock absorber.
Disclosure of Invention
The invention aims to provide an aircraft tractor with a high-elasticity shock absorber, which aims to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an aircraft tractor with high elasticity bumper shock absorber, includes the tractor, tractor one end is connected with through universal pin joint and pulls the mobile jib, it is provided with the first auxiliary rod that pulls to pull mobile jib one end, first auxiliary rod one end of pulling is connected with the second through damper and pulls the auxiliary rod, the second pulls auxiliary rod one end and sets up in the connector of being connected with the aircraft, it has supporting component to pull to articulate on the mobile jib, still be provided with the fixing base on the mobile jib, be provided with flexible regulation pole between fixing base and the supporting component top, it is articulated to be between flexible regulation pole and supporting component and the fixing base.
Through the technical scheme, the inertia force in the moving process of the airplane can be absorbed, the influence of the inertia force of the airplane on the tractor is reduced, the tractor is used for more stabilizing the airplane in the traction process, and the service life of the traction rod is prolonged.
As a preferred technical scheme, the damping assembly comprises a damper, a rotating rod and a rubber sleeve;
the inside rotary rods that all pegs graft in the both ends that first traction auxiliary rod and second traction auxiliary rod are adjacent, two it has the bumper shock absorber to articulate between the rotary rod, the outside parcel of rotary rod and bumper shock absorber has the rubber sleeve.
Through the technical scheme, the strength and the elasticity of the shock absorption assembly can be improved to the greatest extent, so that the shock absorption assembly cannot be easily damaged when the aircraft is towed, and the acting force in the aircraft towing process can be absorbed to the greatest extent.
As a preferred technical scheme, the shock absorber comprises a piston pipe, an oil storage chamber, an air storage chamber, a bottom valve, a piston rod, a sleeve, an oil seal, a limiting seat and a limiting ring;
the sleeve pipe has been cup jointed in the piston pipe outside, piston pipe and sleeve pipe one end articulate respectively has the rotary rod, the oil storage chamber has been seted up to the piston pipe inside, the reservoir has been seted up to the piston pipe lateral wall, through the bottom valve intercommunication between oil storage chamber and the reservoir, the inside slidable mounting of oil storage chamber has the piston valve, the piston valve is close to sleeve pipe one side and is provided with the piston rod, piston rod one end and sleeve pipe fixed connection, the piston pipe is close to sleeve pipe one end and seals the piston rod through the oil blanket, the inside oil blanket position department that is close to of piston pipe is provided with spacing seat, it is provided with the spacing ring to be close to piston valve position department on the piston rod.
As a preferred technical scheme, a plugging ring is arranged in the air storage chamber.
As a preferred technical scheme, one end of each of the first traction auxiliary rod and the second traction auxiliary rod, which is close to the rotating rod, is provided with a rotating groove, the rotating groove is internally spliced with the rotating rod, the rotating rod is spliced at one end of each of the first traction auxiliary rod and the second traction auxiliary rod and is provided with a plurality of limiting bulges, the side wall of the rotating groove is provided with a plurality of spiral grooves, the spiral grooves are matched with the limiting bulges, and through the design of the limiting bulges and the spiral grooves, when the whole shock absorption assembly is used for towing an airplane, the horizontal acting force can be received by the rotating rod, at the moment, under the action of the limiting bulges and the spiral grooves, the horizontal acting force can be converted into the rotating acting force by the rotating rod, the whole spiral rod and the shock absorber are driven to rotate, at the moment, the oil liquid in the shock absorber can fully moisten the side wall of the oil storage chamber, because the shock absorber is used transversely here, the inside fluid of oil storage chamber can't contact each other with the upper portion of oil storage chamber because of gravity, and long-time use can lead to the sealing performance reduction between piston valve and the oil storage chamber, and the effort when utilizing the traction aircraft orders about the bumper shock absorber and takes place to rotate, can this problem of effectual solution.
As the preferred technical scheme, the supporting assembly comprises a V-shaped supporting frame, a moving wheel and a rubber backing ring;
draw mobile jib middle part handing-over to have V type support frame, V type support frame bottom is provided with removes the wheel, it has the rubber backing ring to draw the junction parcel that is located on the mobile jib and draws mobile jib and V type support frame.
Through above-mentioned technical scheme for the tractor is carrying out more stability of in-process of pulling to the aircraft, simultaneously, has prolonged the life who pulls the mobile jib.
As preferred technical scheme, V type support frame lower part is provided with the fixed plate, the fixed plate is close to and is provided with the air feed gasbag on one side of removing the wheel, the air feed gasbag is kept away from fixed plate one side and is had the stripper plate through sliding tray slidable mounting, the stripper plate is kept away from air feed gasbag one side and is provided with the squeeze roll, the squeeze roll is located the same axis with removing the wheel, be provided with the check valve that admits air on the air feed gasbag, be connected through the gas-supply pipe between air feed gasbag and the shock-absorbing component, install the gas transmission check valve on the gas-supply pipe.
Through above-mentioned technical scheme for can utilize the power when removing the wheel and rotate, aerify shock-absorbing component inside, make the rubber sleeve take place the inflation, on the one hand, can avoid the bumper shock absorber direct and the inside contact that takes place of rubber sleeve, influence the result of use, on the other hand can utilize the rubber sleeve that is full of gas to realize further shock attenuation effect, improves the holistic intensity of shock-absorbing component and elasticity.
As a preferred technical scheme, a return spring is installed in the sliding groove.
Preferably, the cross section of the squeezing roller is elliptical.
As a preferred technical scheme, a pressure valve is installed on the rubber sleeve.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, by arranging the damping component, on one hand, the damping component can be utilized to absorb the inertia force in the aircraft traction process, so that the influence of the aircraft inertia on the tractor is reduced, on the other hand, the aircraft and the tractor can be flexibly connected, the length of the traction rod is prolonged, and meanwhile, under the design of the rubber sleeve, the rubber sleeve filled with gas can further play a role in damping, so that the strength and elasticity of the whole damping component are enhanced, and the aircraft traction process is more stable.
2. The rotary rod, the limiting bulge and the spiral groove are arranged, the shock absorber is connected with the first traction auxiliary rod and the second traction auxiliary rod through the rotary rod, when the tractor starts to drag an airplane, the rotary rod can spirally rotate in the rotating grooves of the first traction auxiliary rod and the second traction auxiliary rod under the action of the pulling force of the tractor, so that the shock absorber is driven to rotate, oil in the oil storage chamber infiltrates the inner wall of the piston pipe, the problem that the sealing performance between the piston valve and the piston pipe is reduced due to the fact that the upper portion of the oil storage chamber cannot be contacted with the oil due to the fact that the shock absorber is transversely placed is avoided, the inner wall of the piston pipe can be infiltrated through traction of the airplane each time, and the sealing performance between the piston valve and the oil storage chamber is improved.
3. The invention is provided with the supporting component, the squeezing roller can be driven to rotate through the design of the moving wheel, so that the squeezing of the squeezing plate is realized, the gas in the gas supply air bag is continuously conveyed to the inside of the rubber sleeve through the gas conveying pipe, the gas pressure in the rubber sleeve is increased, the shock absorber is further assisted to play a shock absorption effect, and the strength and the elasticity of the shock absorption component are improved.
Drawings
FIG. 1 is a schematic structural view of an aircraft tractor having a high-elasticity shock absorber according to the present invention;
FIG. 2 is a schematic diagram of a drawbar arrangement for an aircraft towing vehicle having a highly resilient shock absorber in accordance with the present invention;
FIG. 3 is a schematic view of a shock assembly of the present invention in an aircraft tractor having a highly elastic shock absorber;
FIG. 4 is a schematic view of the structure of a shock absorber in an aircraft tractor having a highly elastic shock absorber according to the present invention;
FIG. 5 is a schematic view of a rotary rod of an aircraft tractor having a highly elastic shock absorber according to the present invention;
FIG. 6 is a schematic view of the structure of the first rod or the second rod of the present invention in an aircraft tractor with a highly elastic shock absorber;
figure 7 is a schematic view of the structure of the area a in figure 2 of an aircraft tractor with highly elastic shock absorbers according to the present invention.
Reference numbers in the figures: 1. a tractor; 2. a universal hinge point; 3. drawing the main rod; 4. a first traction sub-bar;
5. a shock absorbing assembly; 501. a shock absorber; 5011. a piston tube; 5012. an oil storage chamber; 5013. an air storage chamber; 5014. a bottom valve; 5015. a piston valve; 5016. a piston rod; 5017. a sleeve; 5018. oil sealing; 5019. a limiting seat; 5010. a limiting ring; 502. rotating the rod; 5021. a limiting bulge; 5022. a rotating groove; 5023. a helical groove; 503. a rubber sleeve;
6. a second traction sub-bar; 7. a connector;
8. a support assembly; 801. a V-shaped support frame; 802. a moving wheel; 803. a rubber grommet; 804. a fixing plate; 805. an air supply air bag; 806. a sliding groove; 807. a pressing plate; 808. a squeeze roll; 809. an air inlet check valve; 8010. a gas delivery pipe; 8011. a gas delivery check valve; 8012. a return spring; 8013. a pressure valve;
9. a fixed seat; 10. a telescopic adjusting rod.
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.
Example (b): as shown in fig. 1 to 7, the invention provides the following technical solutions, an aircraft tractor with a high-elasticity shock absorber comprises a tractor 1, one end of the tractor 1 is connected with a main traction rod 3 through a universal hinge point 2, one end of the main traction rod 3 is provided with a first auxiliary traction rod 4, one end of the first auxiliary traction rod 4 is connected with a second auxiliary traction rod 6 through a shock absorption assembly 5, the shock absorption assembly 5 is used for reducing the inertia force of the aircraft in the moving process, so as to avoid the damage of the inertia force of the aircraft on the traction rod and the tractor 1, the shock absorption assembly 5 is used for absorbing the inertia force of the aircraft, one end of the second auxiliary traction rod 6 is arranged on a connector 7 connected with the aircraft, a support assembly 8 is hinged on the main traction rod 3, the support assembly 8 is used for supporting the main traction rod 3, so as to improve the stability of the main traction rod 3 in the traction process of the aircraft, the main traction rod 3 is further provided with a fixing seat 9, be provided with telescopic adjusting rod 10 between fixing base 9 and the 8 tops of supporting component, telescopic adjusting rod 10 is articulated between 8 and the fixing base 9 with supporting component, and telescopic adjusting rod 10 is used for adjusting supporting component 8's height.
The shock absorption assembly 5 comprises a shock absorber 501, a rotating rod 502 and a rubber sleeve 503;
the adjacent two ends of the first auxiliary traction rod 4 and the second auxiliary traction rod 6 are respectively inserted with a rotating rod 502, a shock absorber 501 is hinged between the two rotating rods 502, the rotating rod 502 is used for rotating the shock absorber 501, because the shock absorber 501 is transversely arranged, the oil position in the shock absorber 501 changes, the top end in the shock absorber 501 may not contact with the oil, the sealing performance in the shock absorber 501 is reduced after long-term use, at this time, the shock absorber 501 is driven to rotate by the rotating rod 502, the sealing performance inside the shock absorber 501 can be unaffected, the rubber sleeve 503 is wrapped on the outer sides of the rotating rod 502 and the shock absorber 501, the rubber sleeve 503 is used for wrapping the shock absorber 501, on one hand, the cleanness of the surface of the shock absorber 501 is improved, on the other hand, the rubber sleeve 503 can be inflated to improve the strength and elasticity of the shock absorption assembly 5, so that the shock absorption assembly 5 can reduce the acting force of the airplane in the traction process to the maximum extent.
The shock absorber 501 includes a piston tube 5011, an oil storage chamber 5012, an air storage chamber 5013, a bottom valve 5014, a piston valve 5015, a piston rod 5016, a sleeve 5017, an oil seal 5018, a limit seat 5019 and a limit ring 5010;
a sleeve 5017 is sleeved outside the piston tube 5011, one end of the piston tube 5011 and one end of the sleeve 5017 are respectively hinged with a rotating rod 502, an oil storage chamber 5012 is arranged inside the piston tube 5011, an air storage chamber 5013 is arranged on the side wall of the piston tube 5011, the oil storage chamber 5012 is communicated with the air storage chamber 5013 through a bottom valve 5014, a piston valve 5015 is slidably arranged inside the oil storage chamber 5012, a piston rod 5016 is arranged on one side, close to the sleeve 5017, of the piston valve 5015, one end of the piston rod 5016 is fixedly connected with the sleeve 5017, one end, close to the sleeve 5017, of the piston tube 5011 seals the piston rod 5016 through an oil seal 5018, a limit seat 5019 is arranged inside the piston tube 5011 and close to the oil seal 5018, a limit ring 5010 is arranged on the piston rod 5016 and close to the piston valve 5015, the limit seat 5019 and the limit ring 5010 are arranged, so that piston valve 5015 does not directly contact oil seal 5018 during extension of the entire shock absorber 501, avoiding excessive traction on the aircraft, which would cause piston valve 5015 to pull out of the interior of piston tube 5011.
The purpose of the blocking ring inside the air reservoir 5013 is to keep the air and oil inside the air reservoir 5013 above when the shock absorber is placed in a horizontal position, so as to avoid the situation that the oil is located below the air reservoir 5013 due to gravity and the air is located above the air reservoir 5013, which may affect the use of the whole shock absorber 501.
The end of the first traction auxiliary rod 4 and the second traction auxiliary rod 6 close to the rotating rod 502 is provided with a rotating groove 5022, the rotating rod 502 is inserted in the rotating groove 5022, the rotating rod 502 is inserted in one end of the first traction auxiliary rod 4 and the second traction auxiliary rod 6 and is provided with a plurality of limiting protrusions 5021, the side wall of the rotating groove 5022 is provided with a plurality of spiral grooves 5023, the spiral grooves 5023 are matched with the limiting protrusions 5021, through the design of the limiting protrusions 5021 and the spiral grooves 5023, when the whole shock absorption assembly 5 pulls an airplane, the horizontal acting force can be received, at the moment, under the action of the limiting protrusions 5021 and the spiral grooves 5023, the rotating rod 502 can be driven to convert the horizontal acting force into a rotating acting force, the whole spiral rod 502 and the shock absorber 501 are driven to rotate, at the moment, oil in the shock absorber 501 can fully moisten the side wall of the oil storage chamber 5012, because the shock absorber 501 is used transversely here, the oil in the oil reservoir 5012 cannot contact the upper part of the oil reservoir 5012 due to gravity, and the sealing performance between the piston valve 5015 and the oil reservoir 5012 is lowered after a long-term use, and the shock absorber 501 is driven to rotate by the force applied when the aircraft is towed, thereby effectively solving the problem.
The supporting assembly 8 comprises a V-shaped supporting frame 801, a moving wheel 802 and a rubber backing ring 803;
traction mobile jib 3 middle part handing-over has V type support frame 801, V type support frame 801 bottom is provided with removes wheel 802, remove wheel 802 when supporting whole traction mobile jib 3, can play and pull rolling effect, it has rubber backing ring 803 to lie in the junction parcel that traction mobile jib 3 and V type support frame 801 on the traction mobile jib 3, the design of rubber backing ring 803, V type support frame 801 has been avoided directly with traction mobile jib 3 contact, the collision between V type support frame 801 and the traction mobile jib 3 has been reduced.
A fixing plate 804 is arranged at the lower part of the V-shaped supporting frame 801, an air supply air bag 805 is arranged at one side of the fixing plate 804 close to the moving wheel 802, an extrusion plate 807 is slidably mounted at one side of the air supply air bag 805 far away from the fixing plate 804 through a sliding groove 806, the air supply air bag 805 is extruded through the extrusion plate 807 so that air can be supplied to the interior of the shock absorption assembly 5 through the air supply air bag 805, an extrusion roller 808 is arranged at one side of the extrusion plate 807 far away from the air supply air bag 805, the extrusion roller 808 and the moving wheel 802 are positioned on the same axis, the extrusion roller 808 is used for driving the extrusion plate 807 to extrude the air supply air bag 805, an air inlet one-way valve 809 is arranged on the air supply air bag 805, the air supply air bag 805 is connected with the shock absorption assembly 5 through an air pipe 8010, the air pipe 8010 is used for conveying the air provided by the air supply air bag 805 to the interior of the shock absorption assembly 5 so that shock absorption can be further realized through air, and the strength and elasticity of the shock absorption assembly 5 are improved, an air delivery one-way valve 8011 is mounted on the air delivery pipe 8010, so that air can be delivered to the inside of the shock-absorbing assembly 5 only through the air supply bladder 805.
A return spring 8012 is installed inside the sliding groove 806, and the return spring 8012 is used for resetting the position of the pressing plate 807, so that the pressing plate 807 can be restored to the original position after pressing the air supply bladder 805 every time, and the next pressing is facilitated.
The cross section of the squeeze roller 808 is oval, so that the squeeze plate 807 can be squeezed back and forth during the rotation of the squeeze roller 808, and the air supply bladder 805 can continuously supply air to the interior of the shock absorption assembly 5.
The pressure valve 8013 is installed on the rubber sleeve 503, and when the pressure value of the gas inside the rubber sleeve 503 reaches a set threshold value, the gas inside the rubber sleeve 503 can be discharged, so that the problem that the normal rotation of the moving wheel 802 is affected because the gas supply air bag 805 cannot supply gas inside the rubber sleeve 503 is avoided.
The working principle of the invention is as follows: when the aircraft is used, firstly, the connector 7 is connected with the front wheel of the aircraft, the supporting height of the supporting assembly 8 is adjusted by the telescopic adjusting rod 10 according to the height of the connecting point, and after the adjustment is finished, the tractor 1 is started, and the aircraft is pulled by the tractor 1;
at the moment of using the tractor 1 to draw the airplane, because the airplane has larger mass, the traction force applied to the traction main rod 3, the first traction auxiliary rod 4 and the second traction auxiliary rod 6 is larger, at this moment, the rotating rod 502 slowly slides out of the inside of the first and second traction sub-rods 4 and 6, and at the same time, under the action of the limit protrusion 5021 and the spiral groove 5023, the rotating rod 502 is in a spiral sliding-out state, and the spiral sliding-out rotating rod 502 drives the shock absorber 501 to rotate, since the shock absorber 501 is placed transversely, the oil inside the oil reservoir 5012 may not be able to contact the upper portion of the oil reservoir 5012, affecting the sealing performance between the piston valve 5015 and the piston tube 5011, however, when the shock absorber 501 rotates, the oil in the oil reservoir 5012 infiltrates the inside of the oil reservoir 5012, thereby improving the sealing performance between the piston valve 5015 and the piston tube 5011;
when the tractor 1 pulls the airplane to move forward, the moving wheel 802 rotates, the rotating moving wheel 802 drives the squeezing roller 808 to rotate, the elliptical squeezing roller 808 intermittently squeezes the squeezing plate 807, at the moment, the squeezing plate 807 intermittently squeezes the air supply air bag 805, so that air in the air supply air bag 805 is conveyed into the rubber sleeve 503 through the air conveying pipe 8010 and the air conveying one-way valve 8011, the air pressure in the rubber sleeve 503 is increased and further expanded, the expanded rubber sleeve 503 not only can play a certain protection role on the shock absorber 501 in the rubber sleeve, but also can further improve the shock absorption effect of the shock absorption assembly 5 under the action of the air pressure, the strength and the elasticity of the shock absorption assembly 5 are improved, meanwhile, the pressure valve 8013 is further arranged on the rubber sleeve 503, when the pressure value in the rubber sleeve 503 reaches a set threshold value, the air in the rubber sleeve 503 can be automatically released, on one hand, the rubber sleeve 503 is prevented from being damaged due to expansion under larger gas, and on the other hand, the normal rotation of the moving wheel 802 is prevented from being influenced.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. An aircraft tractor with high elasticity bumper shock absorber which characterized in that: the aircraft tractor comprises a tractor (1), wherein one end of the tractor (1) is connected with a traction main rod (3) through a universal hinge point (2), one end of the traction main rod (3) is provided with a first traction auxiliary rod (4), one end of the first traction auxiliary rod (4) is connected with a second traction auxiliary rod (6) through a damping component (5), one end of the second traction auxiliary rod (6) is arranged on a connector (7) connected with an aircraft, the traction main rod (3) is hinged with a supporting component (8), the traction main rod (3) is also provided with a fixing seat (9), a telescopic adjusting rod (10) is arranged between the fixing seat (9) and the top end of the supporting component (8), and the telescopic adjusting rod (10) is hinged with the supporting component (8) and the fixing seat (9);
the shock absorption assembly (5) comprises a shock absorber (501), a rotating rod (502) and a rubber sleeve (503);
rotating rods (502) are inserted into two adjacent ends of the first traction auxiliary rod (4) and the second traction auxiliary rod (6), a shock absorber (501) is hinged between the two rotating rods (502), and rubber sleeves (503) wrap the outer sides of the rotating rods (502) and the shock absorber (501);
the shock absorber (501) comprises a piston tube (5011), an oil storage chamber (5012), an air storage chamber (5013), a bottom valve (5014), a piston valve (5015), a piston rod (5016), a sleeve (5017), an oil seal (5018), a limiting seat (5019) and a limiting ring (5010);
a sleeve (5017) is sleeved on the outer side of the piston tube (5011), one end of the piston tube (5011) and one end of the sleeve (5017) are respectively hinged with a rotating rod (502), an oil storage chamber (5012) is formed inside the piston tube (5011), an air storage chamber (5013) is formed in the side wall of the piston tube (5011), the oil storage chamber (5012) is communicated with the air storage chamber (5013) through a bottom valve (5014), a piston valve (5015) is slidably arranged in the oil storage chamber (5012), a piston rod (5016) is arranged on one side of the piston valve (5015) close to the sleeve (5017), one end of the piston rod (5016) is fixedly connected with the sleeve (5017), one end of the piston tube (5011) close to the sleeve (5017) seals the piston rod (5016) through an oil seal (5018), a limiting seat (5019) is arranged at the position, close to the oil seal (5018), in the piston tube (5011), a limiting ring (5010) is arranged on the piston rod (5016) close to the piston valve (5015);
first draw vice pole (4) and second to draw vice pole (6) and be close to the one end of rotary rod (502) and seted up rotation groove (5022), it has rotary rod (502) to rotate inside grafting of groove (5022), the one end of grafting at first draw vice pole (4) and second traction vice pole (6) of rotary rod (502) is provided with a plurality of spacing arch (5021), a plurality of helicla flute (5023) have been seted up to rotation groove (5022) lateral wall, helicla flute (5023) and spacing arch (5021) match each other.
2. An aircraft tractor having highly elastic shock absorbers according to claim 1, characterized in that: the air storage chamber (5013) is internally provided with a plugging ring.
3. An aircraft tractor having highly elastic shock absorbers according to claim 1, characterized in that: the supporting assembly (8) comprises a V-shaped supporting frame (801), a moving wheel (802) and a rubber backing ring (803);
traction mobile jib (3) middle part handing-over has V type support frame (801), V type support frame (801) bottom is provided with removes wheel (802), it has rubber backing ring (803) to lie in the junction parcel that traction mobile jib (3) and V type support frame (801) on traction mobile jib (3).
4. An aircraft tractor having highly elastic shock absorbers according to claim 3, characterized in that: v type support frame (801) lower part is provided with fixed plate (804), fixed plate (804) are close to and are provided with air feed gasbag (805) on one side of removal wheel (802), air feed gasbag (805) keep away from fixed plate (804) one side and have stripper plate (807) through sliding tray (806) slidable mounting, stripper plate (807) keep away from air feed gasbag (805) one side and are provided with squeeze roll (808), squeeze roll (808) and removal wheel (802) are located the same axis, be provided with air inlet check valve (809) on air feed gasbag (805), be connected through air pipe (8010) between air feed gasbag (805) and damper component (5), install air delivery check valve (8011) on air pipe (8010).
5. An aircraft tractor having highly elastic shock absorbers according to claim 4, characterized in that: a return spring (8012) is arranged in the sliding groove (806).
6. An aircraft tractor having highly elastic shock absorbers according to claim 5, characterized in that: the cross section of the squeezing roller (808) is oval.
7. An aircraft tractor having highly elastic shock absorbers according to claim 6, characterized in that: and a pressure valve (8013) is arranged on the rubber sleeve (503).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111066161.7A CN113501136B (en) | 2021-09-13 | 2021-09-13 | Aircraft tractor with high elasticity bumper shock absorber |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111066161.7A CN113501136B (en) | 2021-09-13 | 2021-09-13 | Aircraft tractor with high elasticity bumper shock absorber |
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| CN113501136A CN113501136A (en) | 2021-10-15 |
| CN113501136B true CN113501136B (en) | 2021-11-23 |
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Citations (5)
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| DE4219237A1 (en) * | 1992-06-12 | 1993-12-16 | Heinz Liebmann | Tow-bar between ground vehicle and aircraft - includes linear actuator to ease effects of heavy stationary load on towing vehicle |
| EP1155881A2 (en) * | 2000-05-18 | 2001-11-21 | Schopf Maschinenbau Gmbh | Coupling, especially for a towing bar to connect a tractor to an aircraft |
| CN2900917Y (en) * | 2006-05-07 | 2007-05-16 | 湘潭铁路电机有限公司 | Oil pressure vibration damper for rail transit vehicle |
| CN106043733A (en) * | 2016-06-15 | 2016-10-26 | 沈阳飞机工业（集团）有限公司 | Traction system used for traction of aircraft |
| CN107521715A (en) * | 2017-07-26 | 2017-12-29 | 彩虹无人机科技有限公司 | A kind of linkage for unmanned machine travel |
-
2021
- 2021-09-13 CN CN202111066161.7A patent/CN113501136B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4219237A1 (en) * | 1992-06-12 | 1993-12-16 | Heinz Liebmann | Tow-bar between ground vehicle and aircraft - includes linear actuator to ease effects of heavy stationary load on towing vehicle |
| EP1155881A2 (en) * | 2000-05-18 | 2001-11-21 | Schopf Maschinenbau Gmbh | Coupling, especially for a towing bar to connect a tractor to an aircraft |
| CN2900917Y (en) * | 2006-05-07 | 2007-05-16 | 湘潭铁路电机有限公司 | Oil pressure vibration damper for rail transit vehicle |
| CN106043733A (en) * | 2016-06-15 | 2016-10-26 | 沈阳飞机工业（集团）有限公司 | Traction system used for traction of aircraft |
| CN107521715A (en) * | 2017-07-26 | 2017-12-29 | 彩虹无人机科技有限公司 | A kind of linkage for unmanned machine travel |
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| Publication number | Publication date |
|---|---|
| CN113501136A (en) | 2021-10-15 |
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Address after: No. 27, Haiyan Road, Qidong high tech Industrial Development Zone, Nantong, Jiangsu 226236 Patentee after: Jiangsu catu Aviation Technology Co.,Ltd. Address before: No. 27, Haiyan Road, Qidong high tech Industrial Development Zone, Nantong, Jiangsu 226236 Patentee before: China Science aviation safety aviation equipment Qidong Co.,Ltd. |
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