CN217673225U - Traction type ground idling load system applied to helicopter - Google Patents

Abstract

The utility model discloses a traction type ground idling load system applied to a helicopter, which comprises a track component, a support vehicle and a binding component, wherein the track component is detachably connected with a bottom plate of a helicopter cabin and a tail cabin door ramp, and a traction device is arranged on the track component; the container with the materials can be placed on the support vehicle, the traction device is connected with the support vehicle, and the traction device can pull the support vehicle to move on the track assembly so as to transport the container from the ground to the cabin or transport the container from the cabin to the ground; the binding assembly is further arranged in the aircraft cabin and can bind the track assembly, the support vehicle and the container in the aircraft cabin, so that the stability of the container during transportation of the helicopter is improved, and the goods and materials can be safely and reliably transported to a destination. The utility model discloses a towed ground idling of being applied to helicopter carries the dismantled and assembled nature of system to be strong, can ensure heavy goods and can load smoothly on the transportation helicopter under a small amount of personnel's operation.

Description

Traction type ground idling load system applied to helicopter

Technical Field

The utility model relates to a helicopter transportation field especially relates to a be applied to towed ground idle running of helicopter and carry system.

Background

The helicopter air transportation has the advantages and characteristics of high operation speed, strong obstacle crossing capability and high social and economic benefits, particularly can accurately realize point-to-point direct transportation at medium and short distances. However, because the transportation helicopter has a small cabin door, a low ramp carrying capacity of the tail cabin door, an insufficient local carrying capacity of the bottom plate in the cabin and a low empennage, and the existing loading and unloading equipment and tools (such as a crane and a forklift) cannot meet the loading and unloading requirements of heavy goods with large volume and weight, the utility model relates to a heavy goods ground idle-running loading and transporting system is urgently needed to solve the above-mentioned major technical problems and safely and reliably realize the loading and unloading and transportation of the heavy goods on the helicopter.

SUMMERY OF THE UTILITY MODEL

The utility model provides a be applied to towed ground idle running of helicopter and carry system has the effect that can load and unload heavy material fast and high-efficiently. The specific technical scheme is as follows:

a traction type ground idling load system applied to a helicopter comprises a track assembly, a support vehicle and a binding assembly, wherein the track assembly is detachably connected with a bottom plate of a cabin of the helicopter and a ramp of a tail cabin door, and a traction device is arranged on the track assembly; the container with the materials can be placed on a support vehicle, a traction assembly is arranged on the support vehicle and comprises a traction arm, a traction ring and a handrail are arranged on the traction arm, the traction device is connected with the traction ring and can pull the support vehicle to move on a track assembly, and the handrail can be conveniently moved by a manual auxiliary support vehicle so as to transport the container from the ground to the cabin or transport the container from the cabin to the ground; still be provided with in the cabin and tie the subassembly, tie the subassembly and can carry out the ligature to track subassembly, support car and container in the cabin to improve the stability of the container when the helicopter transported, but the guarantee goods and materials safe and reliable transports to the destination.

Further, the track assembly comprises a first track unit and a second track unit, the first track unit is detachably connected with a bottom plate of a cabin of the helicopter, the second track unit is detachably connected with a ramp of a tail cabin door of the helicopter, a winch is arranged on the first track unit, a traction rope is wound on the winch and can be connected with the traction assembly, and the winch can pull the support vehicle to move on the track assembly.

Further, the first track unit comprises a plate-shaped branch carrier plate, the branch carrier plate comprises a first branch carrier plate and a second branch carrier plate which are symmetrically laid, the first branch carrier plate and the second branch carrier plate are connected with a first cross beam and a second cross beam, and the first branch carrier plate and the second branch carrier plate are detachably arranged on a bottom plate of the helicopter cabin; the first sub-carrier plate and the second sub-carrier plate are provided with positioning blocks which can limit the moving position of the support vehicle, so that the support vehicle can accurately stop at a specified position for transportation.

Furthermore, the second track unit comprises two second track beams, the two second track beams are respectively hinged with the two sub-loading plates, and the second track unit can rotate relative to the first track unit to adapt to the cabin door ramp without gradient; one end of the second track beam connected with the ground is hinged with a second guide plate, one end of the second guide plate is connected with the upper surface of the second track beam, and the other end of the second guide plate is in contact with the ground, so that the support vehicle can be conveniently moved onto the second track beam from the ground.

Furthermore, a first supporting block is arranged at the position below one end, connected with the load sharing plate, of the second track beam, a second supporting block is arranged at the position below one end, connected with the ground, of the second track beam, and the second track beam is overhead by the first supporting block and the second supporting block, so that the cabin door is prevented from being crushed.

The support vehicle further comprises a frame body, wherein a tray for loading goods is arranged on the frame body, the frame body is connected with a lifting assembly, the lifting assembly is uniformly distributed around the frame body, the lifting assembly is connected with rollers, and the height of the rollers can be adjusted by the lifting assembly, so that the rollers can be abutted against the ground or suspended, and the frame body is suspended against the ground or abutted against the ground; the support body front end is provided with the traction assembly, and the traction assembly can link to each other in order to provide power for the support car with draw gear, and the other end of traction assembly links to each other with the subassembly that turns to, turns to the subassembly and links to each other with the lifting unit of front end, thereby traction assembly can drive the subassembly that turns to and rotate and drive the direction of movement that lifting unit rotates in order to change the gyro wheel, thereby realizes the function that turns to of support car.

Further, lifting unit includes casing, gear train, screw rod, rocker and output lever, and the casing links to each other with the support body is fixed, and the one end setting of output lever links to each other in the casing and with the screw rod, and the other end of output lever links to each other with the gyro wheel, and the screw rod links to each other with the gear train, and the gear train links to each other with the rocker, and rotatory rocker can drive the screw rod and rotate to it is flexible for the casing to drive the output lever, in order to realize adjusting the height of gyro wheel.

Furthermore, the output rod comprises a threaded sleeve and a roller support rod, the threaded sleeve is a hollow rod body, and one end of the threaded sleeve is accommodated in the shell and can move up and down relative to the shell; a screw rod connecting part extends inwards from the center of the top of the threaded sleeve, a threaded hole matched with the screw rod is formed in the center of the screw rod connecting part, and the threaded sleeve can be driven to move up and down in the shell by rotating the screw rod; the bottom joint of screw sleeve has gyro wheel branch, and the bottom and the gyro wheel of gyro wheel branch link to each other.

Further, turn to the fixed front end that sets up at the support body of subassembly, turn to the subassembly including turning to the dead lever, it links to each other with the support body is fixed to turn to the dead lever, the both sides that turn to the dead lever are provided with and turn to connecting portion, lifting unit's casing with turn to connecting portion are fixed to link to each other, it is provided with the branch accommodation hole to turn to connecting portion, gyro wheel branch holding is in the branch accommodation hole, gyro wheel branch can rotate for turning to connecting portion, it turns to the arm to be provided with in the connecting portion, it links to each other with gyro wheel branch to turn to the arm, the drive turns to the arm and rotates and can drive gyro wheel branch and rotate, and then drive gyro wheel rotates in order to change gyro wheel moving direction.

Furthermore, the binding assembly comprises a first binding unit and a second binding unit, the first binding unit comprises track binding bands, one ends of the track binding bands are connected with mooring rings on the bottom plate of the cabin, the other ends of the track binding bands are connected with the track assembly to realize binding and fixing of the track assembly, the second binding units are two groups and are symmetrically arranged on two sides of the container respectively, each second binding unit comprises a frame body binding band and a side wall binding band, the frame body mooring rings are preset on the frame body of the support vehicle and are connected with the container through the frame body binding bands to form an X-shaped binding structure, and accordingly binding and fixing of the support vehicle and the container are realized; the side wall of the cabin is preset with a side wall mooring ring, the side wall of the container is preset with a fixed pull ring, one end of the side wall binding band is connected with the side wall mooring ring, and the other end of the side wall binding band is connected with the fixed pull ring so as to bind the container and the side wall of the cabin.

The utility model discloses a pull-type ground idling carrying system applied to a helicopter has strong detachability, the volume of a single part is small, the single part can be stored in a containing box, the whole transportation performance of the equipment is strong, the carrying is convenient, and the equipment can be transported along with the helicopter; in addition, with the help of the support vehicle, the device can guarantee that heavy goods can be smoothly loaded on the transport helicopter under the operation of a small number of personnel, and the first binding unit and the second binding unit are adopted to respectively bind the track assembly, the support vehicle and the container, so that the safety of the container in the moving and transporting processes is greatly improved, and the requirements of timeliness and safety of the heavy goods transported by using the helicopter are effectively met.

The above description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following detailed description of the present invention is given.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

fig. 1 is a perspective view of a traction type ground idling load system applied to a helicopter according to the present invention;

FIG. 2 is a schematic view of the installation of the track assembly of the trailing type ground idling load system of the present invention applied to a helicopter;

FIG. 3 is an enlarged view of the portion A of FIG. 2;

FIG. 4 is an enlarged view of the portion B of FIG. 2;

fig. 5 is a perspective view of a cradle cart of the present invention applied to a towed ground idling system of a helicopter;

FIG. 6 is a side view of the lift assembly of the present invention applied to a towed ground idling system of a helicopter;

FIG. 7 is a cross-sectional view of the lift assembly of the present invention applied to a towed ground idling system of a helicopter;

FIG. 8 is a perspective view of a roller strut of the present invention applied to a towed ground idling system of a helicopter;

fig. 9 is an exploded view of the output rod of the towed ground idling system of the present invention applied to a helicopter;

fig. 10 is a perspective view 1 of a steering assembly of the present invention applied to a towed ground load system of a helicopter;

figure 11 is a perspective view 2 of a steering assembly of the present invention applied to a towed ground idling system of a helicopter;

figure 12 is a perspective view of a steering arm of the present invention applied to a towed ground idling system of a helicopter;

figure 13 is a perspective view of a traction assembly of the present invention applied to a towed ground idling system of a helicopter;

FIG. 14 is a schematic view of the binding assembly of the present invention applied to a towed ground idling system of a helicopter with a track;

fig. 15 is a schematic view of the binding of the cradle car and container of the towed ground idling system of the present invention applied to a helicopter;

fig. 16 is a schematic view of the container bundling in the cabin of the towed ground idling system of the present invention applied to a helicopter.

Detailed Description

In order to better understand the objects, functions and specific design of the present invention, the towed ground idling system for a helicopter of the present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1-16, the traction type ground idling loading system applied to the helicopter of the present invention comprises a track assembly 1, a support vehicle 2 and a binding assembly 3, wherein the track assembly 1 is detachably connected with a bottom plate of a cabin of the helicopter and a ramp of a tail cabin door, and a traction device is arranged on the track assembly 1; the container 4 filled with materials can be placed on the support vehicle 2, the traction device is connected with the support vehicle 2, and the traction device can pull the support vehicle 2 to move on the track assembly 1 so as to transport the container 4 from the ground to the cabin or transport the container 4 from the cabin to the ground; the binding assembly 3 is further arranged in the aircraft cabin, and the binding assembly 3 can bind the track assembly 1, the support vehicle 2 and the container 4 in the aircraft cabin so as to improve the stability of the container 4 during helicopter transportation and ensure that materials can be safely and reliably transported to a destination.

Specifically, as shown in fig. 1 to 4, the track assembly 1 includes a first track unit 11 and a second track unit 12, the first track unit 11 is detachably connected to a floor of a cabin of the helicopter, the second track unit 12 is detachably connected to a tail gate ramp of the helicopter, the first track unit 11 and the second track unit 12 are hinged, and upper surfaces of the first track unit 11 and the second track unit 12 communicate with each other, so that the carriage 2 can move on the first track unit 11 and the second track unit 12, thereby loading and unloading the container 4.

The first track unit 11 includes a load-sharing plate 111, the load-sharing plate 111 is plate-shaped and is laid on the bottom plate of the helicopter cabin, the load-sharing plate 111 includes a first load-sharing plate and a second load-sharing plate which are symmetrically laid, the first load-sharing plate and the second load-sharing plate are connected with a first cross beam 112 and a second cross beam 113, and the first load-sharing plate and the second load-sharing plate are detachably disposed on the bottom plate of the helicopter cabin. Specifically, a mooring ring is arranged on a bottom plate of the helicopter cabin, and the first and second support plates can be connected with the mooring ring through a binding belt so as to realize detachable connection. It is understood that the first and second carrier plates may also be detachably connected to the floor of the nacelle by bolts.

As shown in fig. 2, the load-sharing plate 111 of the present embodiment is detachably connected to the first beam 112 and the second beam 113 by bolts. The first beam 112 is provided with a winch 116, the winch 116 is fixed on the first beam 112 through bolts, a traction rope is wound on the winch 116, the traction rope can be connected with the support vehicle 2, and the winch 116 can pull the support vehicle 2 to move on the track assembly 1. Capstan 116 is preferably a manual and power integrated capstan 116. Preferably, the separating plate 111 is provided with a positioning block 114, and the positioning block 114 can limit the moving position of the rack truck 2, so that the rack truck 2 can accurately stay at a designated position for transportation.

A first guide plate 115 is disposed at one end of the distribution plate 111 connected to the second beam 113, and the first guide plate 115 is obliquely disposed on the distribution plate 111. The first guide plate 115 has a lower height at an end adjacent to the first rail unit 11 than at an end adjacent to the second rail unit 12 to make the carriage 2 move more smoothly between the first rail unit 11 and the second rail unit 12.

The second track unit 12 includes two second track beams 121, the two second track beams 121 are respectively hinged to the two separate carrier plates 111, and the second track unit 12 can rotate relative to the first track unit 11 to adapt to a cabin door ramp without gradient. Specifically, a first mounting lug is arranged at one end of the load distributing plate 111 connected with the second track beam 121, a second mounting lug is arranged on the second track beam 121, through holes are formed in the first mounting lug and the second mounting lug, and the second track beam 121 is hinged to the load distributing plate 111 through a bolt or a pin shaft.

Preferably, as shown in fig. 3 to 4, a first supporting block 125 is disposed at a position below one end of the second track beam 121 connected to the load-sharing plate 111, a second supporting block 126 is disposed at a position below one end of the second track beam 121 connected to the ground, and the first supporting block 125 and the second supporting block 126 make the second track beam 121 overhead, so that a gap is formed between the second track beam 121 and the door, thereby preventing the door from being damaged by pressure.

Preferably, one end of the second track beam 121 connected to the ground is hinged to a second guide plate 122, one end of the second guide plate 122 is connected to the upper surface of the second track beam 121, and the other end of the second guide plate 122 is in contact with the ground, so that the carriage 2 can move from the ground to the second track beam 121 conveniently.

Preferably, at least one supporting cross beam 123 is disposed between the two second rail beams 121, so that the two second rail beams 121 are more stable.

It should be noted that the load-sharing plate 111 and the second track beam 121 are provided with the limiting plates 14, and the limiting plates 14 can limit the position of the carriage 2 on the track to prevent the carriage 2 from derailing.

As shown in fig. 5 to 13, the rack truck 2 of the present embodiment includes a rack body 21, a tray 211 for loading goods is disposed on the rack body 21, the rack body 21 is connected to a lifting assembly 6, the lifting assembly 6 is uniformly distributed around the rack body 21, the lifting assembly 6 is connected to a roller 23, and the lifting assembly 6 can adjust the height of the roller 23, so that the roller 23 can be abutted against the ground or suspended, and the rack body 21 is suspended against the ground or suspended; the front end of the frame body 21 is provided with a traction assembly 24, the traction assembly 24 can be connected with a traction device to provide power for the support vehicle, the other end of the traction assembly 24 is connected with a steering assembly 5, the steering assembly 5 is connected with a lifting assembly 6 at the front end, and the traction assembly 24 can drive the steering assembly 5 to rotate so as to drive the lifting assembly 6 to rotate to change the moving direction of the roller 23, so that the steering function of the support vehicle is realized.

Specifically, as shown in fig. 6 to 9, the lifting assembly 6 includes a housing 61, a gear set 62, a screw 63, a rocker 64, and an output rod 65, the housing 61 is fixedly connected to the frame 21, one end of the output rod 65 is disposed in the housing 61 and connected to the screw 63, the other end of the output rod 65 is connected to the roller 23, the screw 63 is connected to the gear set 62, the gear set 62 is connected to the rocker 64, and the rotation of the rocker 64 can drive the screw 63 to rotate, so as to drive the output rod 65 to extend and retract relative to the housing 61, thereby adjusting the height of the roller 23.

The output rod 65 includes a threaded sleeve 66 and a roller support rod 67, the threaded sleeve 66 is a hollow rod, one end of the threaded sleeve 66 is received in the housing 61 and can move telescopically relative to the housing 61, but cannot rotate axially relative to the housing 61, for example, a long protrusion is disposed on an inner side wall of the housing 61 along a length direction, an elongated groove is disposed on an outer surface of the corresponding threaded sleeve 66, and the long protrusion and the elongated groove cooperate to realize a function that the threaded sleeve 66 can move telescopically relative to the housing 61, but cannot rotate axially relative to the housing 61. In addition, a groove may be formed in the vertical direction of the side wall of the threaded sleeve 66, then a threaded hole is drilled in the housing 61 and connected with a positioning screw, and the positioning screw is in sliding fit with the groove in the side wall of the threaded sleeve 66, so that the up-and-down lifting movement of the whole threaded sleeve 66 in the housing 61 is ensured.

A screw connecting portion 661 extends inwardly from a top center of the threaded sleeve 66, a threaded hole is formed in the screw connecting portion 661, and the threaded sleeve 66 is driven to move up and down in the housing 61 by rotating the screw 63. The bottom of the threaded sleeve 66 is clamped with a roller support rod 67, the bottom of the roller support rod 67 is connected with the roller 23, and the roller support rod 67 can axially rotate relative to the threaded sleeve 66 and can move up and down relative to the shell 61 along with the threaded sleeve 66.

Specifically, a clamping portion 671 is arranged at one end, connected with the threaded sleeve 66, of the roller support rod 67, the diameter of the clamping portion 671 is larger than that of the roller support rod 67, the bottom of the threaded sleeve 66 is connected with a sleeve end cover 662, a through hole is formed in the center of the sleeve end cover 662, the sleeve end cover 662 is sleeved on the roller support rod 67, and the roller support rod 67 can rotate relative to the sleeve end cover 662; the spring 68 is arranged in the threaded sleeve 66, one end of the spring 68 is in contact with the inner wall of the top of the threaded sleeve 66 and sleeved outside the screw connecting portion 661, the other end of the spring 68 is in contact with the clamping portion 671, and the clamping portion 671 is in contact with the sleeve end cover 662 under the elastic force action of the spring 68, so that the threaded sleeve 66 of the roller support rod 67 is connected, namely the roller support rod 67 can axially rotate relative to the threaded sleeve 66 and can move up and down relative to the housing 61 along with the threaded sleeve 66. Preferably, a rubber gasket is disposed between the clamping portion 671 and the sleeve end cover 662 to reduce noise generated by friction or collision between the clamping portion 671 and the sleeve end cover 662. In addition, by providing the spring 68, the roller support 67 can slide relatively within the threaded sleeve 66 during transport of cargo, thereby providing cushioning and shock absorption of the roller 23 when rolling on the ground. Preferably, the top of the roller support rod 67 is provided with a buffering limiting portion 675, the buffering limiting portion 675 includes a screw accommodating groove, and the screw 63 can be inserted into the screw accommodating groove and abut against the buffering limiting portion 675 to limit the buffering distance of the roller support rod 67.

Preferably, the clamping portion 671 is provided with a bearing seat 672, a bearing is arranged in the bearing seat 672, the bearing is connected with the roller support rod 67, and the roller support rod 67 can rotate relative to the bearing. One end of the bearing, which is far away from the bearing seat 672, is provided with a baffle 69, the spring 68 is abutted to the baffle 69, under the elastic action of the spring 68, the bearing is fixed in the bearing seat 672, and the clamping portion 671 is abutted to the sleeve end cover 662 so as to realize the connection of the roller support rod 67 and the threaded sleeve 66. By adding bearings, the roller strut 67 is more easily rotated, thereby facilitating the rotation of the steering assembly 5 driving the roller 23.

Gear train 62 sets up the top in casing 61, gear train 62 includes first bevel gear 621 and second bevel gear 622, first bevel gear 621 and the meshing of second bevel gear 622, rocker 64 and the fixed continuous and coaxial setting of second bevel gear 622, first bevel gear 621 links to each other and coaxial setting with screw 63 is fixed, screw 63 holds in threaded sleeve 66 and with screw connecting portion 661 threaded connection, thereby it rotates to rotate rocker 64 and drive second bevel gear 622 and drive first bevel gear 621 and rotate and then drive screw 63, screw 63 rotates and can drive threaded sleeve 66 and reciprocate, thereby realize the flexible of output rod 65.

One end of the roller support rod 67 far away from the shell 61 is connected with a roller bracket 231, and a roller 23 is arranged on the roller bracket 231. The roller support rod 67 of this implementation links to each other with turning to subassembly 5, turns to subassembly 5 and can drive roller support rod 67 and rotate to drive roller bracket 231 and rotate, and then drive gyro wheel 23 and rotate in order to change gyro wheel 23 moving direction.

Specifically, one end of the roller support rod 67, which is far away from the housing 61, is provided with a bracket connecting part 673, and the diameter of the bracket connecting part 673 is smaller than that of the roller support rod 67, so that a shaft shoulder is formed at the position where the bracket connecting part 673 is connected with the roller support rod 67; the cross section of the bracket connecting part 673 is polygonal, and a support rod connecting hole matched with the shape of the bracket connecting part 673 is formed in the corresponding roller bracket 231; the tip of support connecting portion 673 is provided with the jump ring groove, and support connecting portion 673 can pass through the branch connecting hole on gyro wheel support 231 and make the shaft shoulder on gyro wheel branch 67 and gyro wheel support 231 inconsistent, and the connection of gyro wheel branch 67 and gyro wheel support 231 can be realized to the jump ring of jump ring inslot connecting jump ring.

Preferably, one side of the roller 23 is connected with a brake 81, the brake 81 is connected with a brake cable 82, the brake cable 82 is connected with a brake handle 83, the brake handle 83 is fixedly arranged on the traction assembly 24, and the braking of the roller 23 can be realized by pressing the brake handle 83, so that the parking of the bracket vehicle is convenient.

As shown in fig. 10 to 13, the steering assembly 5 is fixedly disposed at the front end of the frame body 21, the steering assembly 5 includes a steering fixing rod 51, the steering fixing rod 51 is fixedly connected to the frame body 21, steering connection portions 52 are disposed on two sides of the steering fixing rod 51, the housing 61 of the lifting assembly 6 is fixedly connected to the steering connection portions 52, the steering connection portions 52 are provided with rod receiving holes, the roller rods 67 are received in the rod receiving holes, the roller rods 67 are rotatable relative to the steering connection portions 52, steering arms 53 are disposed in the steering connection portions 52, the steering arms 53 are connected to the roller rods 67, and the roller rods 67 are driven to rotate by driving the steering arms 53, so that the rollers 23 are driven to rotate to change the moving direction of the rollers 23.

The steering connecting portion 52 is provided with a steering arm receiving groove 54 in the horizontal direction, the steering arm 53 can be received in the steering arm receiving groove 54 and connected to the roller post 67, and by providing the steering arm receiving groove 54, the position of the steering arm 53 in the vertical direction can be restricted, so that the rotation of the steering arm 53 in the horizontal direction is more stable.

It should be noted that a plurality of limiting grooves 674 are vertically and evenly distributed on the outer surface of the roller support rod 67, a roller support rod mounting hole 531 is formed at one end of the steering arm 53 connected with the roller support rod 67, a plurality of limiting protrusions 532 matched with the limiting grooves 674 in shape are arranged in the roller support rod mounting hole 531, the roller support rod 67 can be inserted into the roller support rod mounting hole 531 to realize the connection of the roller support rod 67 and the steering arm 53, and the steering arm 53 can be limited from rotating in the axial direction relative to the roller support rod 67 by the matching of the limiting grooves 674 and the limiting protrusions 532, so that the steering arm 53 can work more reliably.

The steering assembly 5 further comprises a guide rod 55, one end of the steering arm 53 is hinged to the guide rod 55, the other end of the steering arm 53 is fixedly connected to the roller support rod 67, the guide rod 55 is connected to a driving arm 56, the driving arm 56 is connected to the traction assembly 24, and the traction assembly 24 can drive the guide rod 55 to move through the driving arm 56, so that the steering arm 53 is driven to rotate to change the moving direction of the roller 23.

In the embodiment, a steering shaft 57 penetrates through the middle position of the steering fixing rod 51, one end of the steering shaft 57 is connected with the traction assembly 24, the other end of the steering shaft 57 is connected with the driving arm 56, one end of the driving arm 56, which is far away from the steering shaft 57, is connected with the middle position of the guide rod 55, and the traction assembly 24 rotates to drive the steering shaft 57 to rotate, so that the driving arm 56 drives the guide rod 55 to move, and further drives the steering arm 53 to rotate to change the moving direction of the roller 23.

As shown in fig. 14, the towing assembly 24 includes a towing arm 242, a third mounting lug is provided at an end of the towing arm 242, a fourth mounting lug is provided on the steering shaft 57, and the third mounting lug is hinged to the fourth mounting lug to connect the towing assembly 24 and the steering shaft 57. The end of the tow arm 242 remote from the steering assembly 5 is provided with a tow ring 241, the tow ring 241 being connectable to towing means, such as a winch, tractor or the like, to power the truck 2. The position of the pulling arm 242 close to the pulling ring 241 is provided with an armrest 243, and the armrest 243 can facilitate manual assistance in pulling the support vehicle to move. A brake handle 83 is arranged below the handrail 243, and the brake handle 83 is connected with a brake 81 on the roller 23 through a brake cable 82 so as to brake the support vehicle conveniently.

As shown in fig. 14 to 16, the binding assembly 3 includes a first binding unit 31 and a second binding unit 32, the first binding unit 31 can bind the track assembly 1 to improve the stability of the track assembly 1 when the carriage vehicle 2 moves on the track assembly 1, and the second binding unit 32 can bind the carriage vehicle 2 and the container 4 in the cabin to improve the stability of the carriage vehicle 2 and the container 4 during helicopter transportation, so as to ensure that the goods and materials can be safely and reliably transported to the destination.

As shown in fig. 14, the first binding unit 31 includes a rail strap, one end of the rail strap is connected to the mooring ring on the bottom plate of the nacelle, and the other end of the rail strap is connected to the rail assembly 1, so as to achieve binding fixation of the rail assembly 1.

Specifically, the track strap includes a track front strap 33 and a track rear strap 34, the track front strap 33 is tied to the front end of the track assembly 1 (the end where the winch 116 is located), and the track rear strap 34 is tied to the rear end of the track assembly 1 (the end near the cabin door). The middle position department of the first crossbeam 112 of this embodiment is provided with the winch mount pad, and the winch 116 is fixed on the winch mount pad, has preset first preceding mooring loop 71, second preceding mooring loop 72, first preceding mooring loop 71 and second preceding mooring loop 72 on the cabin bottom plate of the position department of track subassembly 1 front end both sides in order and has adopted two tracks front bandage 33 to link to each other with the tip of winch mount pad and first crossbeam 112 respectively to form the ligature structure of type W, so that the front end of making track subassembly 1 is more firm.

A first rear mooring ring 73 and a second rear mooring ring 74 are sequentially arranged on the bottom plate of the engine room at the rear end of the track assembly 1, the first rear mooring ring 73 and the second rear mooring ring 74 are respectively connected with the two sub-carrier plates 111 through one track rear binding band 34 to form an X-shaped binding structure, and the binding fixation of the rear end of the track assembly 1 is realized.

The second binding units 32 are two sets of second binding units 32 respectively symmetrically disposed on two sides of the container 4, and now a set of second binding units 32 is taken as an example for description, the second binding units 32 include frame body binding bands 35 and side wall binding bands 36, as shown in fig. 15, frame body mooring rings 37 are preset on the frame body of the support vehicle, the number of the frame body mooring rings 37 of this embodiment is two, and the two frame body mooring rings 37 are respectively connected with the container through one frame body binding band 35 to form an X-like binding structure, thereby realizing the binding fixation of the support vehicle 2 and the container 4.

As shown in fig. 16, a sidewall mooring ring is preset on the sidewall of the cabin, a fixing pull ring is preset on the sidewall of the container 4, one end of the sidewall binding band 36 is connected with the sidewall mooring ring, and the other end is connected with the fixing pull ring, so as to bind the container 4 with the cabin sidewall. Preferably, the number of the side wall tabs is plural, and the number of the side wall straps 36 is the same as the number of the side wall tabs, and the stability of the container 4 can be improved by binding the plurality of side wall straps 36.

It should be noted that the plurality of mooring rings are inherent structures in the helicopter cabin, and the number and the positions of the mooring rings are preset, so that the mooring rings are tied by using the binding bands and are more suitable for the structure of the helicopter.

The utility model discloses a be applied to towed ground idling of helicopter and carry when system does not use, equipment except that support car 2 all can be placed in the containing box, conveniently carries. When the helicopter is used, the assembling of the equipment and the loading operation of the container 4 can be started after the helicopter is parked in place and the cabin door is opened, and the steps are as follows:

in the first step, the approximate installation positions of the two sub-carrier plates 111 are defined in the cabin, and the rail and the cabin are required to be aligned as much as possible, so as to facilitate the fastening of the rail and the cabin wall. The device of the present invention is taken out in the storage box, and two support plates 111 are placed at the scribing position, the first beam 112 and the second beam 113 are connected, and then the winch 116 is installed.

And secondly, installing the first track unit 11, adjusting and fixing, and then binding by using the first binding unit 31 to ensure that the first track unit 11 is integrally stable and does not shake. And then the second track unit 12 is attached.

And thirdly, transporting the container 4 to the tail to ensure that the position of the central axis of the support vehicle 2 is aligned with the central axis of the track assembly 1 (by using a pull wire, a mark or a laser lead). The lifting assembly 6 is adjusted so that the frame 21 falls on the ground, and then the container 4 is loaded and the frame carriage 2 and the container 4 are bound by the frame strap 35.

Fourthly, the lifting assembly 6 is adjusted to lift the frame body 21, then the support vehicle 2 is pushed to the position of the second track unit 12 and is tightly attached to the second track beam 121, and the traction ring at the front end of the support vehicle 2 is connected with the traction rope of the winch 116. The winch is shaken and the towing carriage 2 is slowly moved on the track to the cabin marking position.

And fifthly, after the support vehicle 2 reaches the designated position, adjusting the lifting assembly 6 to enable the support body 21 to fall on the bottom plate of the cabin, binding the containers 4 in the cabin by using the side wall binding bands 36, then removing the second track unit 12, putting back the containing box, withdrawing the cabin door, and completing loading.

The utility model discloses a pull-type ground idling carrying system applied to a helicopter has strong detachability, the volume of a single part is small, the single part can be stored in a containing box, the whole transportation performance of the equipment is strong, the carrying is convenient, and the equipment can be transported along with the helicopter; in addition, under the help of the support vehicle, the device can guarantee that heavy goods can be smoothly loaded on the transportation helicopter under the operation of a small amount of personnel, and the first binding unit and the second binding unit are adopted to respectively bind the track assembly, the support vehicle and the container, so that the safety of the container in the moving and transporting processes is greatly improved, and the requirements of timeliness and safety of the heavy goods transported by the helicopter are effectively met.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (10)

1. A traction type ground idling load system applied to a helicopter is characterized by comprising a track assembly, a support vehicle and a binding assembly, wherein the track assembly is detachably connected with a bottom plate of a helicopter cabin and a tail cabin door ramp, and a traction device is arranged on the track assembly; the container with the materials can be placed on a support vehicle, a traction assembly is arranged on the support vehicle and comprises a traction arm, a traction ring and a handrail are arranged on the traction arm, the traction device is connected with the traction ring and can pull the support vehicle to move on a track assembly, and the handrail can be conveniently moved by a manual auxiliary support vehicle so as to transport the container from the ground to the cabin or transport the container from the cabin to the ground; the binding assembly is further arranged in the aircraft cabin and can bind the track assembly, the support vehicle and the container in the aircraft cabin, so that the stability of the container during transportation of the helicopter is improved, and the goods and materials can be safely and reliably transported to a destination.

2. The towed earth-moving vehicle system for a helicopter of claim 1 wherein the track assembly includes a first track unit and a second track unit, the first track unit being removably attachable to a floor of a helicopter cabin, the second track unit being removably attachable to a tail gate ramp of the helicopter, the first track unit having a winch thereon, the winch having a tow rope wound thereon, the tow rope being attachable to the tow assembly, the winch being operable to tow the cradle vehicle to move on the track assembly.

3. The towed earth-spinning system for helicopters according to claim 2, wherein the first rail unit comprises a load-distributing plate, the load-distributing plate having a plate shape, the load-distributing plate comprising a first load-distributing plate and a second load-distributing plate symmetrically laid, the first load-distributing plate and the second load-distributing plate being connected to a first cross member and a second cross member, the first load-distributing plate and the second load-distributing plate being detachably disposed on a floor of a helicopter nacelle; the first branch carrier plate and the second branch carrier plate are provided with positioning blocks which can limit the moving position of the support vehicle, so that the support vehicle can accurately stop at a specified position for transportation.

4. A towed free-wheeling system for helicopters according to claim 3 wherein the second track unit includes two second track beams, the two second track beams being hingedly connected to the two partial load plates, the second track unit being rotatable relative to the first track unit to accommodate non-grade door ramps; one end of the second track beam connected with the ground is hinged with a second guide plate, one end of the second guide plate is connected with the upper surface of the second track beam, and the other end of the second guide plate is in contact with the ground, so that the support vehicle can be conveniently moved onto the second track beam from the ground.

5. The towed ground idling system for helicopters according to claim 4, wherein the second rail beam is provided with a first support block at a position below the end connected to the load distribution plate, and a second support block at a position below the end connected to the ground, and the first support block and the second support block make the second rail beam overhead, thereby preventing the door from being crushed.

6. The towed ground idling system for helicopters according to claim 1, wherein the cradle cart comprises a frame body on which a tray for loading the cargo is disposed, the frame body being connected to a lifting assembly, the lifting assembly being uniformly distributed around the frame body, the lifting assembly being connected to rollers, the lifting assembly being capable of adjusting the height of the rollers so that the rollers may abut or be suspended from the ground, thereby suspending or abutting the frame body from the ground; the support body front end is provided with the traction assembly, and the traction assembly can link to each other in order to provide power for the support car with draw gear, and the other end of traction assembly links to each other with the subassembly that turns to, turns to the subassembly and links to each other with the lifting unit of front end, thereby traction assembly can drive the subassembly that turns to and rotate and drive the direction of movement that lifting unit rotates in order to change the gyro wheel, thereby realizes the function that turns to of support car.

7. The towed ground idling system for a helicopter of claim 6 wherein the lift assembly includes a housing, a gear train, a screw, a rocker, and an output rod, the housing fixedly attached to the frame, the output rod having one end disposed within the housing and attached to the screw, the output rod having another end attached to the roller, the screw attached to the gear train, the gear train attached to the rocker, and rotating the rocker to drive the screw to rotate and thereby drive the output rod to extend and retract relative to the housing to effect adjustment of the height of the roller.

8. The towed idle ground load system for a helicopter of claim 7 wherein the output shaft includes a threaded sleeve and a roller support, the threaded sleeve being a hollow shaft, the threaded sleeve having one end received within the housing and being movable up and down relative to the housing; a screw rod connecting part extends inwards from the center of the top of the threaded sleeve, a threaded hole matched with the screw rod is formed in the center of the screw rod connecting part, and the threaded sleeve can be driven to move up and down in the shell by rotating the screw rod; the bottom joint of threaded sleeve has gyro wheel branch, and the bottom of gyro wheel branch links to each other with the gyro wheel.

9. The towed ground idling system for a helicopter of claim 8 wherein the steering assembly is fixedly disposed at the front end of the frame, the steering assembly includes a steering rod fixedly attached to the frame, the steering rod is provided with steering links on opposite sides of the steering rod, the housing of the lift assembly is fixedly attached to the steering links, the steering links are provided with strut receiving holes, the roller struts are received in the strut receiving holes, the roller struts are rotatable relative to the steering links, steering arms are disposed in the steering links, the steering arms are connected to the roller struts, and rotation of the roller struts is driven by rotation of the steering arms, thereby driving rotation of the rollers to change the moving direction of the rollers.

10. The towed type ground idling system applied to a helicopter of claim 1 wherein the binding assembly comprises a first binding unit and a second binding unit, the first binding unit comprises track bands, one end of each track band is connected with the mooring ring on the bottom plate of the engine room, the other end of each track band is connected with the track assembly to realize binding and fixing of the track assembly, the second binding units are symmetrically arranged on two sides of the container in two groups, the second binding unit comprises frame body bands and side wall bands, the frame body mooring ring is preset on the frame body of the support vehicle, and the frame body mooring ring is connected with the container through the frame body bands to form an X-like binding structure, so that the binding and fixing of the support vehicle and the container are realized; the side wall of the cabin is provided with a side wall mooring ring in advance, the side wall of the container is provided with a fixing pull ring in advance, one end of a side wall binding belt is connected with the side wall mooring ring, and the other end of the side wall binding belt is connected with the fixing pull ring so as to bind the container and the side wall of the cabin.

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