Ground transfer device for helicopter fire bucket

Abstract

The utility model relates to the field of ground transfer devices, in particular to a helicopter fire-fighting bucket ground transfer device which comprises a transfer base, a circular groove, a bucket bottom clamping piece A and a bucket bottom clamping piece B, a circular groove for placing a helicopter fire bucket is formed in the upper end of the transfer base; a bucket bottom clamping piece A and a bucket bottom clamping piece B which are used for positioning the lower area of the bucket are mounted on the inner side of the transfer base; by adjusting the positions of the clamping plates of the clamping pieces A and B at the bottom of the bucket, the lower area of the outer side of the bucket is synchronously and tightly clamped from four directions, the bucket is accurately positioned in the center of the circular groove, and the middle area of the bucket is clamped by the clamping blocks by rotating the adjusting screw rods on the inner sides of the vertical plate adjusting sleeves at the four corners, so that the bucket can be accurately positioned. Through multiple clamping and fixing mechanisms, the transfer device effectively avoids potential safety hazards such as slipping or shaking of the bucket in the transfer process, and the safety of personnel and equipment is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to ground transfer device field, especially involve helicopter fire bucket ground transfer device. BACKGROUND

[0002] Helicopter fire bucket is the method that utilizes helicopter external hanging bucket to carry water and sprays water from the sky to fire head, fire line to extinguish forest fire directly, this method began to develop in the late 1970s and gradually got wide application in the global scope, especially in the forest dense, water resource rich area, helicopter fire bucket because of its flexible maneuverability, attack speed, wide application range and other advantages, becomes the important means of forest fire extinguishing.

[0003] But the existing helicopter fire bucket ground transfer mainly uses transport plate car, but the ground of transport plate car is plane, and the displacement, dumping of fire bucket easily occurs in the transportation process, especially when turning, fire bucket is easy to displace because of vibration or inertia, increases the security risk of transfer.

[0004] Therefore, aiming at the displacement, dumping of fire bucket easily occurs in the ground transfer of fire bucket because of the lack of fixing structure of transfer device, helicopter fire bucket ground transfer device can be designed. CONTENT OF UTILITY MODEL

[0005] In order to overcome the displacement, dumping of fire bucket easily occurs in the ground transfer of fire bucket because of the lack of fixing structure of transfer device.

[0006] The technical scheme of the utility model is: helicopter fire bucket ground transfer device, including transfer base, round groove, bucket bottom clamping piece A, bucket bottom clamping piece B, vertical plate, adjusting sleeve, adjusting screw, clamping block, the round groove for placing helicopter fire bucket is set up on the upper end of transfer base, the bucket bottom clamping piece A and the bucket bottom clamping piece B for positioning the lower area of bucket are installed on the inner side of transfer base, the vertical plate is fixedly connected with four corner places on the upper end of transfer base, the adjusting sleeve is installed on the upper end of the outer surface of vertical plate, the adjusting screw is screw connected with the inner side of adjusting sleeve, and the clamping block is connected with the bearing of the side of adjusting screw close to round groove.

[0007] Preferably, first, ground transfer device is parked in the specified position of helicopter landing, brake of the universal wheel of transfer base lower end is pressed, and the stability of transfer base is ensured not to move, the clamping plate position of bucket bottom clamping piece A and bucket bottom clamping piece B is adjusted, they can tightly clamp the lower area of the outside of bucket from four directions simultaneously, and the bucket is positioned at the center position of round groove.

[0008] Second, when helicopter descends, the fire bucket is placed in the round groove with fixed point mark, the clamping plate position of bucket bottom clamping piece A and bucket bottom clamping piece B is adjusted, they can tightly clamp the lower area of the outside of bucket from four directions simultaneously, and the bucket is positioned at the center position of round groove.

[0009] The third step is to rotate the adjusting screw inside the vertical plate adjusting sleeve at the four corners, so that the clamping block is close to the bucket, and when the clamping block contacts the side of the bucket, the adjusting screw is continuously rotated to clamp the clamping block, so that the bucket does not shake left and right during the transfer process;

[0010] The fourth step is that after the bucket is clamped, the bucket is gently shaken by hand to check whether all clamping points are firmly fixed, the motor vehicle is connected with the trailer rod fixed inside the installation groove through the trailer hook from any side of the transfer device, the brake of the universal wheel is released, and the ground transfer work of the fire bucket is efficiently completed.

[0011] As preferred, universal wheels are arranged at the four corners of the lower end of the transfer base.

[0012] As preferred, a fixed-point mark is arranged at the inner bottom end of the circular groove, an installation groove is arranged at the outer side of the transfer base, and a trailer rod is fixedly connected to the inner side of the installation groove.

[0013] As preferred, the bottom clamping piece A of the bucket is arranged above the bottom clamping piece B of the bucket, and the bottom clamping piece A of the bucket is identical in structure to the bottom clamping piece B of the bucket.

[0014] As preferred, the bottom clamping piece A of the bucket comprises an installation cavity, a driving motor, a bidirectional threaded rod, a moving sleeve, a linkage rod and a clamping plate, and the driving motor is arranged at the inner side of the installation cavity.

[0015] As preferred, the output shaft of the driving motor is connected with the bidirectional threaded rod, the moving sleeve is symmetrically arranged at the outer side of the bidirectional threaded rod in a transmission mode, the linkage rod in an L-shaped structure is fixedly connected to the outer side of the moving sleeve, and the clamping plate matched with the external shape of the fire bucket is fixedly connected to the end of the linkage rod close to the circular groove.

[0016] As preferred, a knob is arranged at the side of the adjusting screw away from the circular groove, and an anti-skid strip is arranged on the clamping surface of the clamping block.

[0017] The utility model discloses the beneficial effects of:

[0018] Compared with the traditional transfer device with a plane surface, the fire bucket is accurately placed in the circular groove with a fixed-point mark when the helicopter descends, the clamping plate positions of the bottom clamping pieces A and B of the bucket are adjusted, the outer side of the bucket is tightly clamped from four directions, the bucket is accurately positioned in the center of the circular groove, the adjusting screw inside the vertical plate adjusting sleeve at the four corners is rotated, the clamping block clamps the middle region of the bucket, the bucket does not shake left and right during the transfer process, the transfer device effectively avoids the safety hazards such as sliding or shaking of the bucket during the transfer process through the multiple clamping and fixing mechanisms, and the safety of personnel and equipment is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 A three-dimensional structure schematic view of the ground transfer device is shown.

[0020] Figure 2 Another three-dimensional structure schematic view of the ground transfer device is shown.

[0021] Figure 3 A vertical plate structure schematic view of the ground transfer device is shown.

[0022] Figure 4 A structure schematic view of the bucket bottom clamping piece A of the ground transfer device is shown.

[0023] Reference signs: 1, transfer base; 2, round groove; 3, bucket bottom clamping piece A; 4, bucket bottom clamping piece B; 5, vertical plate; 6, adjusting sleeve; 7, adjusting screw; 8, clamping block; 9, universal wheel; 10, mounting groove; 11, trailer rod; 12, mounting cavity; 13, driving motor; 14, two-way threaded rod; 15, moving sleeve; 16, linkage rod; 17, clamping plate. DETAILED DESCRIPTION

[0024] The utility model is further explained in connection with the drawings and examples.

[0025] Please refer to Figures 1-4 The utility model provides an example: helicopter fire bucket ground transfer device, including transfer base 1, round groove 2, bucket bottom clamping piece A 3, bucket bottom clamping piece B 4, vertical plate 5, adjusting sleeve 6, adjusting screw 7, clamping block 8, transfer base 1 upper end is equipped with the round groove 2 for placing helicopter fire bucket, transfer base 1 inner side is installed with the bucket bottom clamping piece A 3 and bucket bottom clamping piece B 4 for positioning the bucket bottom area of bucket, transfer base 1 upper end four corner fixedly connected with vertical plate 5, vertical plate 5 outer surface upper end is installed with adjusting sleeve 6, adjusting sleeve 6 inner side is connected with adjusting screw 7, and adjusting screw 7 is connected with clamping block 8 in the bearing near round groove 2 side, transfer base 1 lower end four corner is installed with universal wheel 9, and universal wheel 9 has at least two groups of brake in, bucket bottom clamping piece A 3 is located on the upside of bucket bottom clamping piece B 4, and bucket bottom clamping piece A 3 and bucket bottom clamping piece B 4 are same in structure.

[0026] Please refer to Figure 2 In the embodiment, the inside bottom end of the round groove 2 is provided with a fixed point mark, and the outside of the transfer base 1 is provided with a mounting groove 10, and the inside of the mounting groove 10 is fixedly connected with a trailer rod 11.

[0027] Please refer to Figure 3In this embodiment, the knob is installed on the side of the adjusting screw 7 away from the circular groove 2; the clamping surface of the clamping block 8 is provided with anti-skid strips.

[0028] Please refer to Figure 4 In this embodiment, the bottom clamping part A3 of the bucket includes a mounting cavity 12, a driving motor 13, a bidirectional threaded rod 14, a moving sleeve 15, a linkage rod 16, and a clamping plate 17; the driving motor 13 is installed on the inner side of the mounting cavity 12; the output shaft of the driving motor 13 is connected with the bidirectional threaded rod 14; the outer side of the bidirectional threaded rod 14 is drivingly connected with the moving sleeves 15 which are symmetrically distributed; the outer side of the moving sleeve 15 is fixedly connected with the linkage rod 16 of the “L” type structure; the end of the linkage rod 16 close to the circular groove 2 is fixedly connected with the clamping plate 17 which matches the external shape of the fire-fighting bucket.

[0029] When working, first, the ground transfer device is parked at the designated position of the helicopter landing, the brake of the universal wheel 9 at the lower end of the transfer base 1 is pressed, and the transfer base 1 is ensured to be stable and immovable;

[0030] Secondly, when the helicopter descends, the fire-fighting bucket is placed in the circular groove 2 with the fixed-point mark, the positions of the clamping plates 17 of the bottom clamping parts A3 and B4 are adjusted, and the driving motors 13 of the bottom clamping parts A3 and B4 are started at the same time; the output shaft of the driving motor 13 starts to rotate, driving the bidirectional threaded rod 14 to rotate synchronously; when the bidirectional threaded rod 14 rotates, the two symmetric moving sleeves 15 will move inward along the thread direction synchronously, and the linkage rod 16 of the “L” type structure fixedly connected with the outer side of the moving sleeve 15 will also move, thereby driving the clamping plate 17 to move close to the fire-fighting bucket, so that the clamping plate 17 can tightly clamp the lower area of the outer side of the bucket from four directions synchronously, and the bucket is positioned at the center position of the circular groove 2.

[0031] Thirdly, the adjusting screw 7 in the inner side of the adjusting sleeve 6 of the vertical plate 5 at the four corners is further rotated, so that the clamping block 8 moves close to the bucket; when the clamping block 8 contacts the side surface of the bucket, the adjusting screw 7 is continuously rotated to clamp the clamping block 8, so as to ensure that the bucket will not shake left and right during the transfer process.

[0032] Fourthly, after the bucket is clamped, the bucket is gently shaken by hand to check whether all clamping points are firmly fixed; the motor vehicle is connected with the towing rod 11 fixedly installed in the mounting groove 10 through the towing hook from any side of the transfer device, the brake of the universal wheel 9 is released, and the ground transfer work of the fire-fighting bucket is efficiently completed.

Claims

1. A ground transfer device for a helicopter fire bucket, comprising a transfer base (1); characterized in that: Also include the round groove (2), bucket bottom clamping piece A (3), bucket bottom clamping piece B (4), vertical plate (5), adjusting sleeve (6) adjusting screw (7), clamping block (8);Transfer base (1) upper end is provided with a round groove (2) for placing the helicopter fire bucket;Transfer base (1) inside is provided with a bucket bottom clamping piece A (3) and a bucket bottom clamping piece B (4) for positioning the lower area of the bucket;Transfer base (1) upper end four corner fixedly connected with vertical plate (5);Vertical plate (5) outer surface near the upper end is provided with adjusting sleeve (6);Adjusting sleeve (6) inside is threadedly connected with adjusting screw (7);Adjusting screw (7) is connected with clamping block (8) through bearing near the side of round groove (2).

2. The helicopter ground transportable bucket according to claim 1, characterized in that: Transfer base (1) lower end four corners are provided with universal wheel (9);Universal wheel (9) has at least two groups of brake inside.

3. The helicopter ground transport apparatus of claim 1, wherein: The inner side of the round groove (2) is provided with a fixed point mark;Transfer base (1) outside is provided with mounting groove (10);Mounting groove (10) inside is fixedly connected with trailer rod (11).

4. The helicopter ground transport apparatus of claim 1, wherein: Bucket bottom clamping piece A (3) is located above bucket bottom clamping piece B (4);Bucket bottom clamping piece A (3) and bucket bottom clamping piece B (4) are the same structure.

5. The helicopter ground transport apparatus of claim 1, wherein: Bucket bottom clamping piece A (3) includes installation cavity (12) driving motor (13), bidirectional threaded rod (14), moving sleeve (15), linkage rod (16) and clamping plate (17);The inner side of the installation cavity (12) is provided with driving motor (13).

6. The helicopter ground transport apparatus of claim 5, wherein: Driving motor (13) output shaft and bidirectional threaded rod (14) are connected;Bidirectional threaded rod (14) outside transmission connection has symmetrical distribution moving sleeve (15);Moving sleeve (15) outside fixedly connected with "L" type linkage rod (16);Linkage rod (16) is fixedly connected with clamping plate (17) matching the external shape of the fire bucket near the end of the round groove (2).

7. The helicopter ground transport apparatus of claim 1, wherein: Adjusting screw (7) is provided with a knob away from the side of the round groove (2);The clamping surface of clamping block (8) is provided with anti-skid strip.

Images