CN214139001U

CN214139001U - Trailer towing system special for light helicopter

Info

Publication number: CN214139001U
Application number: CN202120070808.2U
Authority: CN
Inventors: 丁勇建; 李文亮
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-12
Filing date: 2021-01-12
Publication date: 2021-09-07
Anticipated expiration: 2031-01-12

Abstract

The utility model discloses a special trailer of light-duty helicopter drags capable system, including the supporting seat, the supporting seat downside is equipped with two mounting grooves, the equal fixedly connected with universal wheel of two mounting inslot wall upside, and the supporting seat upside is equipped with the mounting hole, rotates through the bearing in the mounting hole to be connected with the pivot, pivot upper end fixedly connected with frame, frame inner wall downside fixedly connected with biax motor, and frame fixedly connected with drive wheel is passed to biax motor diaxon end. The utility model has the advantages that: the utility model provides a special trailer of light-duty helicopter drags capable system can adjust the height and the direction of traction ring at the during operation, and the commonality that should drag capable system to the characteristics of the light-duty helicopter undercarriage width difference of the different models of different brands is stronger, and simultaneously, the adjusting device that the backup pad upside set up can be adjusted the turned angle of handle for the staff can be according to the height of oneself and adjust hard, has satisfied the staff use that the height is different.

Description

Trailer towing system special for light helicopter

Technical Field

The utility model relates to a light-duty helicopter drags capable equipment technical field, especially relates to light-duty helicopter special trailer drags capable system.

Background

The helicopter is one of the unique creations of 20 th century aviation technology, and the application range of the aircraft is greatly expanded. The helicopter is a typical dual-purpose product for military and civilian use, can be widely applied to a plurality of fields such as transportation, patrol, tourism, rescue and the like, and a trailer towing system special for the light helicopter is generally used for towing the light helicopter in a small airport so as to enable the helicopter to move to an accurate position and take off conveniently. The special trailer of prior art's light-duty helicopter drags capable system can't adjust the height and the direction of tractive ring, should drag the commonality of capable system relatively poor when the helicopter that is different to chassis and fuselage direction, simultaneously, the angle of handle all is fixed in the system of dragging of prior art, and the staff can't adjust the angle of handle according to the height of oneself and the comfort level hard, can not satisfy the staff use that the height is different.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model is to solve the shortcoming that exists among the prior art, and the special trailer of light-duty helicopter system of dragging who proposes to solve the problem that exists among the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the trailer dragging system special for the light helicopter comprises a supporting seat, wherein two mounting grooves are formed in the lower side of the supporting seat, universal wheels are fixedly connected to the upper sides of the inner walls of the two mounting grooves, mounting holes are formed in the upper side of the supporting seat, a rotating shaft is rotatably connected into the mounting holes through a bearing, an outer frame is fixedly connected to the upper end of the rotating shaft, a double-shaft motor is fixedly connected to the lower side of the inner wall of the outer frame, two shaft ends of the double-shaft motor penetrate through the fixedly connected driving wheels of the outer frame, a first hydraulic cylinder is fixedly connected to the lower side of the inner wall of the outer frame, a supporting plate is fixedly connected to one end of a piston rod of the first hydraulic cylinder, a supporting column is fixedly connected to the upper side of the supporting plate, a pull ring is fixedly connected to the upper end of the supporting column, a connecting groove is formed in the upper side of the supporting plate, two mounting plates are fixedly connected to the lower side of the inner wall of the connecting groove, a rotating rod is rotatably connected between the two mounting plates, the outside fixedly connected with connecting plate of bull stick, connecting plate one side fixedly connected with control panel, the equal fixedly connected with handle in control panel both sides, the backup pad upside is equipped with the adjusting device that can adjust handle turned angle.

Preferably, adjusting device includes the fixed plate, fixed plate fixed connection is at the backup pad upside, fixed plate one side is equipped with a plurality of jacks, be equipped with the slide opening on the connecting plate, sliding connection has the slide bar in the slide opening, slide bar one end fixedly connected with stopper, fixedly connected with spring between stopper and the connecting plate, the spring cup joints at the slide bar outside, slide bar other end fixedly connected with spliced pole, the spliced pole corresponds the setting with the jack.

Preferably, two it is connected with the bracing piece to rotate between the mounting panel, the outside fixedly connected with baffle of bracing piece, backup pad downside fixedly connected with second pneumatic cylinder, the piston rod of second pneumatic cylinder corresponds the setting with the baffle, two fixed blocks of baffle one side fixedly connected with, two it is connected with the connecting rod to rotate between the fixed block, the outside fixedly connected with supporting shoe of connecting rod, supporting shoe one side fixedly connected with joint head, joint head one side is equipped with the joint mouth.

Preferably, the frame upside is equipped with two guiding holes, and equal sliding connection has the guide bar in two guiding holes, the guide bar upper end and backup pad fixed connection.

Preferably, two connecting plate one side is the common fixedly connected with limiting plate.

Preferably, the two sides of the supporting seat are fixedly connected with first mounting blocks, the two sides of the outer frame are fixedly connected with second mounting blocks, threaded through holes are formed in the first mounting blocks, through holes are formed in the second mounting blocks, and each second mounting block is fixedly connected with the first mounting block through a bolt.

Preferably, one end of the piston rod of the second hydraulic cylinder is fixedly connected with a rubber bump, and the outer surface of the rubber bump is arc-shaped.

The utility model has the advantages that: the utility model provides a special trailer of light-duty helicopter drags capable system can adjust the height and the direction of traction ring at the during operation, should drag the commonality of capable system when the helicopter that is different to chassis and fuselage direction stronger, simultaneously, the adjusting device of backup pad upside setting can be adjusted the turned angle of handle for the staff can adjust the angle of handle with the comfort level hard according to the height of oneself, has satisfied the staff use that the height is different.

Drawings

Fig. 1 is a schematic diagram of the basic structure of the present invention;

FIG. 2 is a state view when the handle is folded;

fig. 3 is another side view of the present invention;

fig. 4 is a schematic diagram of the basic structure of the adjusting device of the present invention;

fig. 5 is an enlarged view of the structure at a in fig. 1.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1

As shown in fig. 1-5, the utility model provides a special trailer of light-duty helicopter drags capable system, including supporting

seat

1, 1 downside of supporting seat is equipped with two mounting grooves 11, the equal fixedly connected with universal wheel 12 of two mounting groove 11 inner wall upsides, 1 upside of supporting seat is equipped with the mounting hole, it is connected with pivot 121 to rotate through the bearing in the mounting hole, pivot 121 upper end fixedly connected with frame 13, frame 13 inner wall downside fixedly connected with double-shaft motor 14, the 14 diaxon ends of double-shaft motor pass frame 13 fixedly connected with drive wheel 15, through set up universal wheel 12 in mounting groove 11, make this drag capable system can 360 rotations, thereby make this drag capable system can drag the line to the helicopter from the direction of difference. The lower side of the inner wall of the outer frame 13 is fixedly connected with a first hydraulic cylinder 16, one end of a piston rod of the first hydraulic cylinder 16 is fixedly connected with a support plate 17, the upper side of the outer frame 13 is provided with two guide holes, the guide rods 6 are respectively and slidably connected in the two guide holes, the upper end of each guide rod 6 is fixedly connected with the support plate 17, the upper side of the support plate 17 is fixedly connected with a support column 161, the upper end of each support column 161 is fixedly connected with a pull ring 162, the pull ring 162 can be connected with a pull chain arranged on a chassis of the helicopter so as to drag the helicopter by the dragging system, the two sides of the support seat 1 are respectively and fixedly connected with a first mounting block 8, the two sides of the outer frame 13 are respectively and fixedly connected with a second mounting block 81, the two first mounting blocks 8 are respectively provided with a threaded through hole, the second mounting blocks 81 are respectively provided with a through hole, each second mounting block 81 is fixedly connected with the first mounting block 8 through a bolt 82, the upper side of the support plate 17 is provided with a connecting groove 18, two mounting panels 19 of spread groove 18 inner wall downside fixedly connected with rotate between two mounting panels 19 and be connected with

bull stick

2, 2 outside fixedly connected with connecting plates 21 of bull stick, connecting plates 21 one side fixedly connected with control panel 22, the equal fixedly connected with handle 23 in control panel 22 both sides. The staff dismantles bolt 82, then the user rotates frame 13, frame 13 atress drives backup pad 17, support column 161 and pull ring 162 use pivot 121 to rotate as the benchmark, make the direction of pull ring 162 can be adjusted by the user, after the work of dragging finishes, the user rotates frame 13, second installation piece 81 follows frame 13 and uses pivot 121 to rotate as the benchmark, the through-hole of second installation piece 81 is adjusted well with the screw thread through-hole of first installation piece 8, then the user makes frame 13 fix on supporting seat 1 with bolt 82 reinstallation, avoid frame 13 to rotate under the non-operating condition and lead to backup pad 17 and control panel 22 and the condition of article collision around to take place. The staff opens first pneumatic cylinder 16, first pneumatic cylinder 16's piston rod drives backup pad 17 and removes, two guide bars 6 that backup pad 17 downside is fixed slide along the guiding hole, when guide bar 6 slides along the guiding hole, the guiding hole can play the guide effect to guide bar 6, produce the skew of horizontal direction when avoiding guide bar 6 to slide in the guiding hole, make the backup pad 17 with two guide bar 6 fixed connection can not produce the skew of horizontal direction when being promoted by first pneumatic cylinder 16's piston rod. When the piston rod of first hydraulic cylinder 16 drives support plate 17 to move, the positions of support column 161 and pull ring 162 arranged on the upper side of support plate 17 change, so that the height of pull ring 162 arranged on support plate 17 can be adjusted by a worker, and the universality of the towing system is stronger when the helicopter is used for helicopters with chassis and fuselage in different directions. The upper side of the supporting plate 17 is provided with an adjusting device 3 capable of adjusting the rotation angle of the handle 23, the adjusting device comprises a fixing plate 31, the fixing plate 31 is fixedly connected to the upper side of the supporting plate 17, one side of the fixing plate 31 is provided with a plurality of jacks 311, the connecting plate 21 is provided with a slide hole, the slide hole is internally and slidably connected with a slide rod 32, one end of the slide rod 32 is fixedly connected with a limit block 33, one end of the slide rod 32 is provided with the limit block 33 to prevent the slide rod 32 from sliding out of the slide hole, a spring 34 is fixedly connected between the limit block 33 and the connecting plate 21, the spring 34 is sleeved outside the slide rod 32, the other end of the slide rod 32 is fixedly connected with a connecting column 35, the cross section diameter of the connecting column 35 is larger than that of the slide rod 32 to prevent the slide rod 32 from sliding out of the slide hole, the connecting column 35 is arranged corresponding to the jack 311, a user rotates the connecting plate 21, the connecting plate 21 is stressed and rotates with the rotating rod 2 as a reference, and meanwhile, the user pulls the limit block 33, stopper 33 atress and drive slide bar 32 and remove along the slide opening direction, spring 34 atress is tensile, when spliced pole 35 follows connecting plate 21 and moves corresponding jack 311 position, the user loosens stopper 33, spring 34 resets and gives stopper 33 pulling force, stopper 33 atress and drive slide bar 32 and remove along the slide opening, make spliced pole 35 that slide bar 32 one end set up insert in the jack 311, make connecting plate 21 and handle 23's rigidity, through set up a plurality of jacks on fixed plate 31, make the staff can adjust connecting plate 21 and handle 23's turned angle, make the staff can adjust handle 23's angle according to own height and the comfort level of exerting oneself, the staff that has satisfied the height difference uses.

A supporting rod 4 is rotatably connected between the two mounting plates 19, a baffle 41 is fixedly connected to the outside of the supporting rod 4, a second hydraulic cylinder 42 is fixedly connected to the lower side of the supporting plate 17, a piston rod of the second hydraulic cylinder 42 is arranged corresponding to the baffle 41, two fixing blocks 5 are fixedly connected to one side of the baffle 41, a connecting rod 51 is rotatably connected between the two fixing blocks 5, a supporting block 52 is fixedly connected to the outside of the connecting rod 51, a clamping joint 53 is fixedly connected to one side of the supporting block 52, a clamping opening is formed in one side of the clamping joint 53, the second hydraulic cylinder 42 is started, a thrust is applied to the baffle 41 by the piston rod of the second hydraulic cylinder 42, the baffle 41 is stressed and rotates by taking the supporting rod 4 as a reference, the clamping joint 53 arranged at one side of the baffle 41 rotates by taking the supporting rod 4 as a reference, so that the clamping joint 53 is separated from the connecting groove 18 and moves to a proper height, and then a worker inserts a clamping head 92 arranged at one side of the towing rod 91 into the clamping opening, therefore, the towing rod 91 is clamped at the clamping joint 53, one end of a towing rope for towing is bolted with the helicopter undercarriage, the other end of the towing rope is bolted with a towing ring 93 arranged on one side of the towing rod 91, and then the towing system is started by a user to drive the towing rod 91 to tow the helicopter undercarriage and the helicopter. Because the interval of the bolt position of the undercarriage of different specifications is different, when this system of dragging needs to be connected with the helicopter undercarriage of different specifications, the staff can dismantle tow bar 91 from joint 53 and change the tow bar 91 of corresponding length for this system of dragging can be applicable to the helicopter undercarriage of different specifications, and the practicality is stronger. After the towing work is finished, the user detaches the towing rod 91 from the clamping head 53, then starts the second hydraulic cylinder 42, the piston rod of the second hydraulic cylinder 42 is reset, the baffle plate 41 rotates to the connecting groove 18 by taking the supporting rod 4 as the reference due to the self gravity, then the user pulls the limiting block 33 to separate the connecting column 35 from the jack 311, then the user reversely rotates the handle 23, the handle 23 is stressed to drive the connecting plate 21 to reversely rotate by taking the rotating rod 2 as the reference, so that the worker can fold the handle, a large amount of space is not occupied when the towing system is stored, the clamping head 53 is stressed and rotates by taking the connecting rod 51 as the reference, so that the worker can adjust the direction of the clamping head 53, one side of the two connecting plates 21 is fixedly connected with the limiting plate 7 together, the rotating range of the connecting plate 21 is limited, and the control panel 22 is prevented from being excessively rotated to be contacted with the ground, second pneumatic cylinder 42 piston rod one end fixedly connected with rubber bump 9, the arc is personally submitted to rubber bump 9 outward appearance, and the arc structure has stronger stability for rubber bump 9 is difficult for producing deformation when suffering external force extrusion, through set up rubber bump 9 in second pneumatic cylinder 42 piston rod one end, the degree of wear when the second pneumatic cylinder 42 piston rod that has significantly reduced contacts with baffle 41 has prolonged the life of second pneumatic cylinder 42 piston rod.

When the device is used, a worker opens the first hydraulic cylinder 16, the piston rod of the first hydraulic cylinder 16 drives the support plate 17 to move, when the piston rod of the first hydraulic cylinder 16 drives the support plate 17 to move, the positions of the support column 161 and the pull ring 162 arranged on the upper side of the support plate 17 are changed, so that the height of the pull ring 162 arranged on the support plate 17 can be adjusted by the worker, the user rotates the connecting plate 21, the connecting plate 21 is stressed and rotates by taking the rotating rod 2 as a reference, meanwhile, the user pulls the limit block 33, the limit block 33 is stressed and drives the slide rod 32 to move along the sliding hole direction, the spring 34 is stressed and stretched, when the connecting column 35 moves to the corresponding insertion hole 311 position along with the connecting plate 21, the user releases the limit block 33, the spring 34 resets to give a pulling force to the limit block 33, the limit block 33 is stressed and drives the slide rod 32 to move along the sliding hole, so that the connecting column 35 arranged at one end of the slide rod 32 is inserted into the insertion hole 311, the connecting plate 21 and the handle 23 are fixed, the fixing plate 31 is provided with a plurality of insertion holes, so that a worker can adjust the rotation angle of the connecting plate 21 and the handle 23, the second hydraulic cylinder 42 is started, the piston rod of the second hydraulic cylinder 42 provides a thrust to the baffle plate 41, the baffle plate 41 is stressed and rotates by taking the support rod 4 as a reference, the clamping joint 53 arranged at one side of the baffle plate 41 rotates by taking the support rod 4 as a reference along with the baffle plate 41, so that the clamping joint 53 is separated from the connecting groove 18 and moves to a proper height, the matching structure of the clamping joint 53 and the connecting groove 18 is the prior art, the specific structure is not described herein, the worker inserts the clamping head 92 arranged at one side of the towing rod 91 into the clamping joint, so that the towing rod 91 is clamped at the clamping joint 53, then the user bolts one end of a towing rope for towing with a helicopter undercarriage, then bolts the other end of the towing rope with the towing ring 93 arranged at one side of the towing rod 91, then the user connects the pull ring 162 with a pull chain arranged on the chassis of the helicopter, finally the user starts the towing system to drive the towing rod 91 and the towing ring 162 to tow the helicopter landing gear and the helicopter, because the distances between the bolting positions of the landing gears with different specifications are different, when the towing system needs to be connected with the landing gears with different specifications, a worker can detach the towing rod 91 from the clamping joint 53 and replace the towing rod 91 with the corresponding length, after the towing work is finished, the user detaches the towing rod 91 from the clamping joint 53 and then starts the second hydraulic cylinder 42, the piston rod of the second hydraulic cylinder 42 is reset, the baffle plate 41 rotates into the connecting groove 18 by taking the support rod 4 as a reference due to the self gravity, then the user pulls the limit block 33 to enable the connecting column 35 to be separated from the jack 311, then the user reversely rotates the handle 23, the handle 23 is stressed and drives the connecting plate 21 to reversely rotate by taking the rotating rod 2 as a reference, so that a worker can fold the handle.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Light-duty special trailer of helicopter drags line system, including supporting seat (1), its characterized in that: the support structure is characterized in that two mounting grooves (11) are arranged on the lower side of the support base (1), universal wheels (12) are fixedly connected to the upper sides of the inner walls of the two mounting grooves (11), mounting holes are formed in the upper side of the support base (1), a rotating shaft (121) is rotatably connected in the mounting holes through a bearing, an outer frame (13) is fixedly connected to the upper end of the rotating shaft (121), a double-shaft motor (14) is fixedly connected to the lower side of the inner wall of the outer frame (13), two shaft ends of the double-shaft motor (14) penetrate through the outer frame (13) and are fixedly connected with a driving wheel (15), a first hydraulic cylinder (16) is fixedly connected to the lower side of the inner wall of the outer frame (13), a support plate (17) is fixedly connected to one end of a piston rod of the first hydraulic cylinder (16), a support column (161) is fixedly connected to the upper side of the support plate (17), a pull ring (162) is fixedly connected to the upper end of the support column (161), a connecting groove (18) is formed in the upper side of the support plate (17), two mounting panels (19) of spread groove (18) inner wall downside fixedly connected with rotate between two mounting panels (19) and be connected with bull stick (2), bull stick (2) outside fixedly connected with connecting plate (21), connecting plate (21) one side fixedly connected with control panel (22), equal fixedly connected with handle (23) in control panel (22) both sides, backup pad (17) upside is equipped with adjusting device (3) that can adjust handle (23) turned angle.

2. The light helicopter special purpose trailer towing system of claim 1, characterized in that: adjusting device includes fixed plate (31), fixed plate (31) fixed connection is in backup pad (17) upside, fixed plate (31) one side is equipped with a plurality of jacks (311), be equipped with the slide opening on connecting plate (21), sliding connection has slide bar (32) in the slide opening, slide bar (32) one end fixedly connected with stopper (33), fixedly connected with spring (34) between stopper (33) and connecting plate (21), spring (34) cup joint in slide bar (32) outside, slide bar (32) other end fixedly connected with spliced pole (35), spliced pole (35) correspond the setting with jack (311).

3. The light helicopter special purpose trailer towing system of claim 1, characterized in that: two it is connected with bracing piece (4) to rotate between mounting panel (19), bracing piece (4) outside fixedly connected with baffle (41), backup pad (17) downside fixedly connected with second pneumatic cylinder (42), the piston rod of second pneumatic cylinder (42) corresponds the setting with baffle (41), two fixed block (5) of baffle (41) one side fixedly connected with, two it is connected with connecting rod (51) to rotate between fixed block (5), connecting rod (51) outside fixedly connected with supporting shoe (52), supporting shoe (52) one side fixedly connected with joint head (53), joint head (53) one side is equipped with the joint mouth.

4. The light helicopter special purpose trailer towing system of claim 1, characterized in that: frame (13) upside is equipped with two guiding holes, and equal sliding connection has guide bar (6) in two guiding holes, guide bar (6) upper end and backup pad (17) fixed connection.

5. The light helicopter special purpose trailer towing system of claim 1, characterized in that: and one side of each of the two connecting plates (21) is fixedly connected with a limiting plate (7) together.

6. The light helicopter special purpose trailer towing system of claim 1, characterized in that: the supporting seat is characterized in that first mounting blocks (8) are fixedly connected to two sides of the supporting seat (1), second mounting blocks (81) are fixedly connected to two sides of the outer frame (13), threaded through holes are formed in the first mounting blocks (8), through holes are formed in the second mounting blocks (81), and each second mounting block (81) is fixedly connected with the first mounting blocks (8) through bolts (82).

7. The light helicopter special purpose trailer towing system of claim 3, characterized in that: one end of a piston rod of the second hydraulic cylinder (42) is fixedly connected with a rubber bump (9), and the outer surface of the rubber bump (9) is arc-shaped.