CN216332848U - Modular towing mechanism for aeronautical equipment - Google Patents

Modular towing mechanism for aeronautical equipment Download PDF

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Publication number
CN216332848U
CN216332848U CN202122717484.XU CN202122717484U CN216332848U CN 216332848 U CN216332848 U CN 216332848U CN 202122717484 U CN202122717484 U CN 202122717484U CN 216332848 U CN216332848 U CN 216332848U
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China
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traction
joint
rod body
traction rod
lug
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CN202122717484.XU
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Chinese (zh)
Inventor
陶瑞超
王炜信
刘敏航
邵文韬
蒋庆喜
靳勇
南雁飞
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China Aero Polytechnology Establishment
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China Aero Polytechnology Establishment
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Abstract

The utility model provides a modular traction mechanism for aviation equipment, which comprises a traction rod body, a lifting mechanism, a walking mechanism, a traction buffer mechanism, a traction joint and an extension rod, wherein the traction rod body is provided with a traction rod body; the first end of the traction rod body is connected with the traction buffer mechanism, and the second end of the traction rod body is connected with the traction joint; the lifting mechanism and the traveling mechanism are both arranged on the traction rod body, the traction rod body is provided with a first double-lug connector connected with the lifting mechanism, the lower part of the traveling mechanism is connected with the traction rod body through a connecting piece, and the upper part of the traveling mechanism is provided with a second double-lug connector. The aircraft tractor is provided with the lifting mechanism, and the lifting mechanism can quickly and stably connect the tractor and the aircraft; meanwhile, the traction joint can be quickly replaced by the device, so that the airplanes of different types can be quickly connected, and the problem of inconvenient use caused by multiple airplane types and inconsistent mechanical interfaces in the field of aviation field assembly guarantee is solved.

Description

Modular towing mechanism for aeronautical equipment
Technical Field
The utility model belongs to the field of aviation equipment guarantee, and particularly relates to a modular traction mechanism for aviation equipment.
Background
The ground traction is an important link for the ground operation and guarantee of the airplane. The engines of the airplanes, especially the jet engines, are designed according to the high-speed flight conditions, and the energy utilization rate of the airplanes is very low when the airplanes move at low speed on the ground, so that the engines of the airplanes do not generally provide the power for reverse pushing, and when the airplanes need to retreat in the occasions of exiting from a gallery bridge, entering and exiting from an airplane garage and the like, the airplanes are generally pushed by adopting a towing vehicle. Furthermore, if the aircraft is due to engine failure, or for environmental reasons and cost reduction, it is also desirable to move the aircraft using a towing vehicle. Under certain special conditions, aircraft tractors are also important devices for rescue towing. According to different traction modes, the aircraft tractors can be divided into two categories, namely rod type aircraft tractors and rodless type aircraft tractors. The rod tractor is connected with a nose landing gear traction joint of the airplane by using a special traction rod matched with the airplane type, and the matched traction rod is generally rigid, and some traction rods are provided with buffering and adjusting devices; when pushing or towing an aircraft, if the aircraft is turned too much or if braking causes damage to certain components, the aircraft is protected from damage by breaking the shear pins. The rodless tow vehicle integrates the functions of the tow bar and the person responsible for hitching the tow bar into the hitch-clamp-lift mechanism of the tow vehicle.
The universality problem of the draw bar has become a common concern of ground support systems of civil military aircrafts in countries around the world. In order to facilitate combat readiness and shorten the time for the aircraft to take off again, a tow bar with high universality needs to be designed urgently in the field of aviation. In view of the present situation of various aircraft, it is necessary to design a modular towing mechanism for aeronautical equipment, since it is difficult to agree on the individual model, among others, on the location and number of towing points, the geometry and shape of the towing joints, the length of the towing points from the nose end of the aircraft, the maximum takeoff weight of the aircraft and the type of towing vehicle fitted.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model aims to provide a modular traction mechanism for aviation equipment, wherein the airplanes at different heights are dragged by arranging a lifting mechanism, and meanwhile, the modular traction mechanism is also provided with an extension rod and a traction buffer mechanism, so that the airplanes and a tractor can be protected in the traction process, and various traction joints are connected to realize the traction movement of different airplanes.
The utility model is realized by the following technical scheme:
a modular traction mechanism for aviation equipment comprises a traction rod body, a lifting mechanism, a walking mechanism, a traction buffer mechanism, a traction joint and an extension rod; the first end of the traction rod body is connected with the traction buffer mechanism, and the second end of the traction rod body is connected with the traction joint; the lifting mechanism and the travelling mechanism are both arranged on the traction rod body, a first double-lug joint connected with the lifting mechanism is arranged on the traction rod body, the lower part of the travelling mechanism is connected with the traction rod body through a connecting piece, a second double-lug joint is arranged at the upper part of the travelling mechanism, and two ends of the lifting mechanism are respectively connected with the first double-lug joint of the traction rod body and the second double-lug joint of the travelling mechanism through two single lugs; the traveling mechanism comprises a traveling wheel support, traveling wheels and a traveling wheel shaft, the traveling wheel support comprises two frames and an inclined strut, the two frames are arranged perpendicular to each other, two ends of the inclined strut are respectively connected with two sides of the two frames, the second double-lug joint is arranged at the first end of the traveling wheel support, the traveling wheel shaft is arranged at the second end of the traveling wheel support, and two ends of the traveling wheel shaft are respectively connected with the two traveling wheels; the traction buffer mechanism comprises a shell and a traction assembly, the traction assembly is arranged in the shell, a plurality of rubber blocks are arranged in the shell, the traction assembly comprises a traction ring and a traction rod, the first end of the traction rod is connected with the traction ring, the traction rod penetrates through the shell and the plurality of rubber blocks, and the second end of the traction rod is provided with a bolt.
Furthermore, the connection position of the first end of the traction rod body and the traction buffer mechanism can be provided with the extension rod, and the connection position of the second end of the traction rod body and the traction joint can be provided with the extension rod.
Further, the connecting piece includes clamping piece and lower clamping piece, lower clamping piece is fixed on the supporting seat, the supporting seat cover is established on the back shaft, go up the space that the synthetic traction body of rod that holds is enclosed between clamping piece and the lower clamping piece, go up through bolted connection between clamping piece and the lower clamping piece.
Furthermore, elevating system includes pneumatic cylinder, hydraulic pressure oil pipe and manual oil pump, manual oil pump pass through hydraulic pressure oil pipe with the pneumatic cylinder is connected, the both ends of pneumatic cylinder are provided with the monaural piece respectively, the both ends of pneumatic cylinder respectively through respective monaural piece with first monaural joint with the second monaural joint is articulated.
Furthermore, the lifting mechanism comprises a rocker, a gear box, a gear transmission mechanism, a lead screw and a sleeve, the gear transmission mechanism is arranged in the gear box, a first end of the lead screw extends into the gear box and is connected with the gear transmission mechanism, a second end of the lead screw is in threaded connection with the sleeve, and the rocker extends into the gear box and is connected with the gear transmission mechanism.
Furthermore, the outer side of the gear box is provided with a single lug connected with a first double-lug joint, and the first end of the sleeve is provided with a single lug hinged with a second double-lug joint.
Furthermore, the two ends of the extension rod, the two ends of the traction rod body, one end of the traction buffer mechanism and one end of the traction joint are respectively provided with a butt flange.
Furthermore, the butting flanges are disc-shaped flanges, and a plurality of bolts for connection are uniformly distributed between the butting flanges through the circumference.
Further, the hitch coupler includes a first hitch coupler, a second hitch coupler, and a third hitch coupler that are sized differently.
Compared with the prior art, the utility model has the following beneficial effects:
the aircraft tractor is provided with the lifting mechanism, and the lifting mechanism can enable the tractor to be quickly and stably connected with the aircraft; meanwhile, the device can quickly replace the traction joint, realize quick connection of airplanes of different types, and solve the problems of high maintenance difficulty and inconvenient use caused by multiple airplane types and inconsistent mechanical interfaces in the field of assembly guarantee in the aviation field; in addition, the complete traction mechanism mainly consists of the traction rod body and the extension rod, when the length of the traction rod body cannot meet the traction requirement, the extension rod can be connected with the traction rod body to prolong the whole length of the device, the minimum unit length of the extension rod as the rod body can be set to be a preset length, the joints at two ends are the same, and the traction rod body and other extension rods can be conveniently connected.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic structural view of a modular tow mechanism for aerospace equipment according to one embodiment of the utility model, without the inclusion of an extension pole;
FIG. 2 is a schematic diagram of a modular towing mechanism for aerospace equipment including an extension pole, according to one embodiment of the utility model;
FIG. 3 is a schematic structural view of a traveling mechanism of the present invention connected to a towing bar body by a first type of connecting member;
FIG. 4 is a schematic structural view of a traveling mechanism of the present invention connected to a towing bar body by a second type of connecting member;
FIG. 5 is a schematic structural diagram of a hydraulic lifting mechanism of the present invention;
FIG. 6 is a schematic structural diagram of a mechanical lifting structure according to the present invention;
FIG. 7 is a schematic diagram of the movement of the mechanical lift structure of the present invention;
FIG. 8 is a schematic view of the drawbar body according to the present invention;
FIG. 9 is a cross-sectional view of the draft cushioning mechanism of the present invention;
fig. 10 a-10 c are schematic views of three different hitch couplers of the present invention.
The notation in the figure is:
2-an extension rod, 3-a first double-lug joint, 4-a second double-lug joint, 5-a single lug, 6-a running wheel bracket, 7-a running wheel, 8-a running wheel shaft, 9-a support shaft, 10-an upper clamping piece, 11-a lower clamping piece, 12-a connecting shaft sleeve, 13-a hydraulic cylinder, 14-a hydraulic oil pipe, 15-a manual oil pump, 16-a rocker, 17-a gear box, 19-a screw rod, 20-a sleeve, 21-a shell, 22-a rubber block, 23-a bolt and 24-a traction ring; 25-a traction rod body, 26-a lifting mechanism, 27-a walking mechanism, 28-a traction buffer mechanism, 29-a traction joint and 30-a butt flange.
Detailed Description
Exemplary embodiments, features and aspects of the present invention will be described in detail below with reference to the accompanying drawings. Although various aspects of the embodiments are illustrated in the drawings, which may refer to functionally identical or similar elements, the drawings are not necessarily drawn to scale unless specifically indicated.
As shown in fig. 1 to 10, a modular towing mechanism for aviation equipment comprises a towing rod body 25, a lifting mechanism 26, a traveling mechanism 27, a towing buffering mechanism 28, a towing joint 29 and an extension rod 2; the first end of the traction rod body 25 is connected with a traction buffer mechanism 28, and the second end of the traction rod body 25 is connected with a traction joint 29; the lifting mechanism 26 and the traveling mechanism 27 are both arranged on the traction rod body 25, the traction rod body 25 is provided with a first double-lug joint 3 connected with the lifting mechanism 26, the lower part of the traveling mechanism 27 is connected with the traction rod body 25 through a connecting piece, the upper part of the traveling mechanism 27 is provided with a second double-lug joint 4, and two ends of the lifting mechanism 26 are respectively connected with the first double-lug joint 3 of the traction rod body 25 and the second double-lug joint 4 of the traveling mechanism 27 through two single-lug pieces 5; the traveling mechanism 27 comprises a traveling wheel support 6, traveling wheels 7 and traveling wheel shafts 8, the traveling wheel support 6 comprises two frames and an inclined strut, the two frames are arranged perpendicular to each other, two ends of the inclined strut are respectively connected with two sides of the two frames, the second double-lug connector 4 is arranged at the first end of the traveling wheel support 6, the traveling wheel shafts 8 are arranged at the second end of the traveling wheel support 6, and two ends of the traveling wheel shafts 8 are respectively connected with the two traveling wheels 7; the traction buffer mechanism 28 comprises a shell 21 and a traction assembly, the traction assembly is arranged inside the shell 21, a plurality of rubber blocks 22 are arranged inside the shell 21, the traction assembly comprises a traction ring 24 and a traction rod, a first end of the traction rod is connected with the traction ring 24, the traction rod penetrates through the shell 21 and the plurality of rubber blocks 22, and a second end of the traction rod is provided with a bolt 23.
The first end of the traction rod body 25 and the connection part of the traction buffer mechanism 28 can be provided with an extension rod 2, and the second end of the traction rod body 25 and the connection part of the traction joint 29 can be provided with the extension rod 2.
The connecting piece comprises an upper clamping piece 10 and a lower clamping piece 11, the lower clamping piece 11 is fixed on a supporting seat, the supporting seat is sleeved on the supporting shaft 9, a space for containing the traction rod body 25 is enclosed between the upper clamping piece 10 and the lower clamping piece 11, and the upper clamping piece 10 is connected with the lower clamping piece 11 through a bolt.
The lifting mechanism 26 comprises a hydraulic cylinder 13, a hydraulic oil pipe 14 and a manual oil pump 15, the manual oil pump 15 is connected with the hydraulic cylinder 13 through the hydraulic oil pipe 14, the two ends of the hydraulic cylinder 13 are respectively provided with a single lug piece 5, and the two ends of the hydraulic cylinder 13 are respectively hinged with the first double-lug joint 3 and the second double-lug joint 4 through the respective single lug pieces 5.
The lifting mechanism 26 comprises a rocker 16, a gear box 17, a gear transmission mechanism, a lead screw 19 and a sleeve 20, the gear transmission mechanism is arranged in the gear box 17, a first end of the lead screw 19 extends into the gear box 17 and is connected with the gear transmission mechanism, a second end of the lead screw is in threaded connection with the sleeve 20, and the rocker 16 extends into the gear box 17 and is connected with the gear transmission mechanism.
The single lug 5 connected with the first double lug joint 3 is arranged on the outer side of the gear box 17, and the single lug 5 hinged with the second double lug joint 4 is arranged at the first end of the sleeve 20.
The two ends of the extension rod 2, the two ends of the traction rod body 25, one end of the traction buffer mechanism 28 and one end of the traction joint 29 are respectively provided with a butt flange 30.
The butting flanges 30 are disc-shaped flanges, and the butting flanges 30 are connected through six bolts uniformly distributed on the circumference.
The hitch coupler 29 includes a first hitch coupler 29, a second hitch coupler 29, and a third hitch coupler 29 that are sized differently, with the three hitch couplers 29 being sized differently. The traction joints 29 of different types all adopt flange plates of the same specification, and have good interchangeability; the specification of the bolt needs to be able to meet the load requirement under the maximum design working condition.
The number of extension rods 2 is selected to be N, N being typically an integer no greater than 3,
when N is equal to 1, the extension rod 2 is arranged between the traction rod body 25 and the traction buffer mechanism 28, and two ends of the extension rod 2 are connected with one end of the traction rod body 25 and the traction buffer mechanism 28 through the butt flange 30 respectively;
when N is 2, the two extension rods 2 are symmetrically arranged at two ends of the traction rod body 25, the traction rod body 25 and the two extension rods 2 are respectively connected through a butt flange 30, and each extension rod 2 is also respectively connected with a traction buffer mechanism 28 and a traction joint 29 through the butt flange 30;
when N is 3, one of the extension rods 2 is arranged between the traction rod body 25 and the traction joint 29, the other two extension rods 2 are arranged between the traction rod body 25 and the traction buffer mechanism 28, and the traction rod body 25 and the extension rod 2, the extension rod 2 and the traction joint 29, the extension rod 2 and the extension rod 2, and the extension rod 2 and the traction buffer mechanism 28 are respectively connected through the butt flanges 30; the length of the towing bar body 25 is 2.5m, and the length of the extension bar 2 is 1 m. In a preferred embodiment, for example, when N is 0, the front end of the drawbar body 25 and the draft bumper 28 may be connected by the docking flange 30, and the rear end and the draft adapter 29 may be connected by the docking flange 30, thereby simplifying the utility model.
The lifting mechanism 26 and the traveling mechanism 27 are both arranged on the traction rod body 25, the first double-lug joint 3 connected with the lifting mechanism 26 is arranged on the traction rod body 25, the traveling mechanism 27 is connected with the traction rod body 25 through a connecting piece, the second double-lug joint 4 is arranged on the traveling mechanism 27, two ends of the lifting mechanism 26 are respectively connected with the first double-lug joint 3 on the traction rod body 25 and the second double-lug joint 4 on the traveling mechanism 27 through two single-lug pieces 5, and the lifting mechanism 26 drives the traveling mechanism 27 to move so as to adjust the height of the traction rod body 25; the two single lug plates 5 are of the same specification, the two double lug joints are of the same specification, and different lifting mechanisms 26 can be replaced.
In order to facilitate the towing and stabilization of the aircraft tow bar at the airport, the tow bar is provided with a running gear 27, the size of the running gear 27 being selected according to the weight of the tow bar and the towing speed. The traveling mechanism 27 comprises a traveling wheel support 6, traveling wheels 7 and traveling wheel shafts 8, the traveling wheel support 6 comprises two triangular supports which are symmetrically arranged, the tops of the two triangular supports are connected through square steel, the second double-lug connector 4 is arranged in the middle of the square steel, the traveling wheel shafts 8 are arranged on the front sides of the two triangular supports, the traveling wheels 7 are respectively arranged at two ends of each traveling wheel shaft 8, a supporting shaft 9 is arranged on the rear sides of the two triangular supports, and the traveling wheels 7 are pneumatic wheels.
The connecting piece comprises an upper clamping piece 10 and a lower clamping piece 11, the lower clamping piece 11 is fixed on a supporting seat, the supporting seat is sleeved on the supporting shaft 9, a space for accommodating the traction rod body 25 is enclosed between the upper clamping piece 10 and the lower clamping piece 11, and the upper clamping piece 10 is connected with the lower clamping piece 11 through a bolt; the connecting piece can also be in one of the following modes: the connecting piece is a connecting shaft sleeve 12 fixed at the lower part of the traction rod body 25, and the connecting shaft sleeve 12 is sleeved on the supporting shaft 9.
In order to reduce the labor intensity of ground personnel and accelerate the preparation work before the traction of the airplane, a lifting mechanism 26 is arranged on a traction rod of the large and medium-sized airplane. The lifting mechanism 26 is divided into a hydraulic lifting mechanism and a mechanical lifting mechanism.
As shown in fig. 1-5: the hydraulic lifting mechanism comprises a hydraulic cylinder 13, a hydraulic oil pipe 14 and a manual oil pump 15, the manual oil pump 15 supplies liquid for the hydraulic cylinder 13 through the hydraulic oil pipe 14, a single lug piece 5 is respectively arranged at the fixed end of the hydraulic cylinder 13 and the output end of the hydraulic cylinder 13, two ends of the hydraulic cylinder 13 are respectively hinged with the first double-lug joint 3 and the second double-lug joint 4 through the single lug piece 5, hydraulic oil is injected into the hydraulic cylinder 13 through the hydraulic oil pipe 14 to drive the output end of the hydraulic cylinder 13 to extend or retract, so that the traveling mechanism 27 is driven to rotate around the supporting shaft 9 to adjust the posture of the traction rod body 25, and the height of the traction rod body 25 is changed. The hydraulic type operation is convenient, and the lifting is stable.
As shown in fig. 6-7: the mechanical lifting mechanism comprises a rocker 16, a gear box 17, a gear transmission mechanism, a lead screw 19 and a sleeve 20, the lead screw 19 is a trapezoidal lead screw, the gear transmission mechanism is arranged in the gear box 17, one end of the lead screw 19 extends into the gear box 17 and is connected with the gear transmission mechanism, the other end of the lead screw is in threaded connection with the sleeve 20, the rocker 16 extends into the gear box 17 and is connected with the gear transmission mechanism, a single lug 5 connected with the first double-lug connector 3 is arranged on the outer side of the gear box 17, and a single lug 5 hinged with the second double-lug connector 4 is arranged at one end of the sleeve 20; the rocker 16 is rocked, the lead screw 19 is driven to move through a gear transmission mechanism, the length of the lead screw 19 and the length of the sleeve 20 are adjusted, and therefore the travelling mechanism 27 is driven to rotate around the supporting shaft 9 to adjust the posture of the traction rod body 25, and the height of the traction rod body 25 is changed. The mechanical structure is simple, and the manufacture and the maintenance are convenient. Gear drive is including installing the first bevel gear on lead screw 19 and installing the second bevel gear at rocker 16 output, and two bevel gear engagements transmit the rotation to lead screw 19 through the meshing of two bevel gears with rocker 16's rotation, and rocker 16 drives sleeve 20 and lead screw 19 and moves to a direction to drive the traction rod body 25 and move to b direction, and this place belongs to prior art and no longer gives details.
As shown in fig. 9, the traction buffering mechanism 28 includes a housing 21, a plurality of rubber blocks 22, a plug 23 and a traction ring 24, the housing 21 is a sleeve 20-type structure, a docking flange 30 is disposed at one end of the housing 21, a rod body of the traction ring 24 penetrates through the center of the housing 21, a ring body of the traction ring 24 is disposed near the other end of the housing 21, the plurality of rubber blocks 22 are uniformly distributed in the housing 21, the plug 23 is disposed on the rod body, the plug 23 extends into a corresponding rod, and is connected with the traction rod body 25 or the extension rod 2 through the docking flange 30. The towing ring 24 is a device for connecting the tow bar of the airplane and the towing vehicle, and the towing ring 24 should be designed with consideration for the size of the towing vehicle hook. In operation, the towing ring 24 is hung on the towing vehicle hook, and then the bolt 23 is inserted into the holes of the towing ring 24 and the towing vehicle hook for connection and fixation. The airplane traction rod is provided with a buffer mechanism to ensure that the airplane has soft action in the processes of starting, stopping and traction, in particular to prevent the collision between the towing vehicle and the airplane when the towing vehicle brakes and the airplane continues to advance.
The traction joint 29 of the aircraft traction rod is mainly used for connecting the aircraft landing gear and the traction rod, and the traction joint 29 is well butted with the aircraft nose landing gear and can bear the pulling force, the pressure and the bending moment generated in the aircraft traction process. And safety measures are arranged in the traction work to prevent the airplane from being separated from the airplane accidentally. The aircraft tow sub 29 incorporates a load limiting mechanism (shear bolt). When the traction, braking and steering loads of the aircraft traction rod exceed the designed rated loads, the shearing bolt is sheared to protect the aircraft from being damaged. The aircraft joint is connected with the body of the traction rod through a connecting flange at the tail part, and the traction force is transmitted to the traction rod through a bolt. Depending on the task of the ground traction device to tow the aircraft, a corresponding aircraft tow sub 29 may be selected.
The traction joint 29, the extension rod 2, the traction rod body 25 and the traction buffer mechanism 28 are provided with the same and interchangeable connecting interfaces, namely the butt flange 30, so that the free combination and installation among each other can be facilitated according to the required environment and working condition.
Because the convenience of the airplane traction rod in moving and transporting also influences the working efficiency of the traction equipment, and a modular design concept is introduced, the total number of parts of the extension rod 2 can be reduced, the carrying amount of the parts in the transportation process of the traction equipment is greatly reduced, the transportation efficiency of the traction rod is improved, and the traction working efficiency of the traction rod is improved, and the configuration and assembly mode of the traction rod can be realized by 12 parts at least.
The traction mechanism can be formed into various traction mechanisms with different configurations, and corresponding parts can be selected according to requirements. For example, 12 combinations are available without adding the extension rod 2, and when the extension rod 2 is added, a new 12 combinations can be formed by adding one extension rod 2, so that the combination is various, the aircraft is better suitable for various types of aircrafts, the universality of the traction rod component is greatly improved, and the problems of high maintenance difficulty, high cost and the like caused by multiple types of aircrafts and inconsistent mechanical interfaces in the assembly guarantee field in the aviation field are solved.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the spirit of the present invention shall fall within the protection scope defined by the claims of the present invention.

Claims (9)

1. A modular towing mechanism for aerospace equipment, characterized by: the traction rod comprises a traction rod body, a lifting mechanism, a traveling mechanism, a traction buffer mechanism, a traction joint and an extension rod;
the first end of the traction rod body is connected with the traction buffer mechanism, and the second end of the traction rod body is connected with the traction joint;
the lifting mechanism and the travelling mechanism are both arranged on the traction rod body, a first double-lug joint connected with the lifting mechanism is arranged on the traction rod body, the lower part of the travelling mechanism is connected with the traction rod body through a connecting piece, a second double-lug joint is arranged at the upper part of the travelling mechanism, and two ends of the lifting mechanism are respectively connected with the first double-lug joint of the traction rod body and the second double-lug joint of the travelling mechanism through two single lugs;
the traveling mechanism comprises a traveling wheel support, traveling wheels and a traveling wheel shaft, the traveling wheel support comprises two frames and an inclined strut, the two frames are arranged perpendicular to each other, two ends of the inclined strut are respectively connected with two sides of the two frames, the second double-lug joint is arranged at the first end of the traveling wheel support, the traveling wheel shaft is arranged at the second end of the traveling wheel support, and two ends of the traveling wheel shaft are respectively connected with the two traveling wheels;
the traction buffer mechanism comprises a shell and a traction assembly, the traction assembly is arranged in the shell, a plurality of rubber blocks are arranged in the shell, the traction assembly comprises a traction ring and a traction rod, the first end of the traction rod is connected with the traction ring, the traction rod penetrates through the shell and the plurality of rubber blocks, and the second end of the traction rod is provided with a bolt.
2. The modular towing mechanism for aeronautical equipment according to claim 1, characterized in that: the first end of the traction rod body and the joint of the traction buffer mechanism can be provided with the extension rod, and the second end of the traction rod body and the joint of the traction joint can be provided with the extension rod.
3. The modular towing mechanism for aeronautical equipment according to claim 1, characterized in that: the connecting piece comprises an upper clamping piece and a lower clamping piece, wherein the lower clamping piece is fixed on the supporting seat, the supporting seat is sleeved on the supporting shaft, a space for accommodating the traction rod body is enclosed between the upper clamping piece and the lower clamping piece, and the upper clamping piece and the lower clamping piece are connected through a bolt.
4. The modular towing mechanism for aeronautical equipment according to claim 2, characterized in that: the lifting mechanism comprises a hydraulic cylinder, a hydraulic oil pipe and a manual oil pump, the manual oil pump is connected with the hydraulic cylinder through the hydraulic oil pipe, single lug pieces are arranged at two ends of the hydraulic cylinder respectively, and two ends of the hydraulic cylinder are hinged to the first double-lug joint and the second double-lug joint through respective single lug pieces.
5. The modular towing mechanism for aeronautical equipment according to claim 2, characterized in that: the lifting mechanism comprises a rocker, a gear box, a gear transmission mechanism, a lead screw and a sleeve, the gear transmission mechanism is arranged in the gear box, the first end of the lead screw extends into the gear box and is connected with the gear transmission mechanism, the second end of the lead screw is in threaded connection with the sleeve, and the rocker extends into the gear box and is connected with the gear transmission mechanism.
6. The modular towing mechanism for aeronautical equipment according to claim 5, characterized in that: the outer side of the gear box is provided with a single lug connected with a first double-lug joint, and the first end of the sleeve is provided with a single lug hinged with a second double-lug joint.
7. The modular towing mechanism for aeronautical equipment according to claim 6, characterized in that: and the two ends of the extension rod, the two ends of the traction rod body, one end of the traction buffer mechanism and one end of the traction joint are respectively provided with a butt flange.
8. The modular towing mechanism for aeronautical equipment according to claim 7, characterized in that: the butt-joint flanges are disc-shaped flanges, and a plurality of bolts for connection are uniformly distributed between the butt-joint flanges through the circumference.
9. The modular towing mechanism for aeronautical equipment according to claim 1, characterized in that: the hitch coupler includes a first hitch coupler, a second hitch coupler, and a third hitch coupler that are sized differently.
CN202122717484.XU 2021-11-08 2021-11-08 Modular towing mechanism for aeronautical equipment Active CN216332848U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122717484.XU CN216332848U (en) 2021-11-08 2021-11-08 Modular towing mechanism for aeronautical equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122717484.XU CN216332848U (en) 2021-11-08 2021-11-08 Modular towing mechanism for aeronautical equipment

Publications (1)

Publication Number Publication Date
CN216332848U true CN216332848U (en) 2022-04-19

Family

ID=81135841

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122717484.XU Active CN216332848U (en) 2021-11-08 2021-11-08 Modular towing mechanism for aeronautical equipment

Country Status (1)

Country Link
CN (1) CN216332848U (en)

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