A mechanized auxiliary cargo bridge for transport aircraft and its erection method

Abstract

The invention discloses a mechanized auxiliary cargo bridge for a transporter and a method for erecting the bridge. The auxiliary cargo bridge comprises a chassis, an end springboard, a rear springboard, a vehicle bridge section, a mobile trolley, a mobile bridge section, a front leg, a two-way top support leg, a universal wheel, a first leg and a second leg. The invention can meet the needs of both self-propelled equipment and non-self-propelled equipment for getting on and off transporters, saves manpower, reduces labor intensity, shortens operation time and is highly efficient.

Description

Technical Field

[0001] The invention relates to the technical field of transporter loading and unloading cargo bridges, and in particular to a transporter mechanized auxiliary cargo bridge and an erection method. Background Art

[0002] At present, my country's research on transport aircraft loading and unloading bridges is relatively lacking. The main structures used are assembled structures, which require a large amount of manpower for assembly operations, have high labor intensity, long operation time and low efficiency.

[0003] Therefore, in view of my country's aviation transport loading and unloading security needs, it is very necessary to develop a mechanized auxiliary cargo bridge for use with large transport aircraft. Summary of the invention

[0004] In view of this, the present invention provides a mechanized auxiliary cargo bridge for conveyors and a method for erecting the bridge, which can meet the needs of both self-propelled equipment and non-self-propelled equipment for getting on and off conveyors, saving manpower, reducing labor intensity, shortening operation time and increasing efficiency.

[0005] The technical solution adopted by the present invention is as follows:

[0006] A mechanized auxiliary cargo bridge for a transporter, the auxiliary cargo bridge comprising a chassis, an end springboard, a rear springboard, a vehicle body bridge section, a moving trolley, a moving bridge section, a front leg, a two-way top support leg, a walking universal wheel, a first leg and a second leg;

[0007] The vehicle body bridge section is located above the chassis vehicle, the front end of the vehicle body bridge section is hinged to the front end of the chassis vehicle, the middle and rear part of the vehicle body bridge section is hinged to the two-way top support leg, the two-way top support leg is arranged at the rear of the chassis vehicle, and the end springboard is hinged to the front end of the vehicle body bridge section, and the tail end of the vehicle body bridge section is arranged with the first support leg; the mobile bridge section is located above the vehicle body bridge section, the end of the mobile bridge section is hinged to the moving trolley, and the mobile bridge section moves forward and backward along the vehicle body bridge section through the moving trolley; the second support leg and the universal walking wheel are arranged at the tail end of the mobile bridge section;

[0008] The front legs are arranged at the front of the chassis; the rear springboard is arranged on the chassis and is used to be installed at the rear of the mobile bridge section;

[0009] After the end springboard is unfolded, it is docked with the cargo hold of the external transport aircraft. The mobile bridge section is moved backward along the vehicle body bridge section by the moving trolley. After being extended into place, the end of the mobile bridge section is docked with the vehicle body bridge section. In the self-propelled equipment unloading state, the tail of the mobile bridge section touches the ground and transitions to the ground from the tail springboard; in the non-self-propelled equipment unloading state, after the mobile bridge section is extended into place, it is supported by the second support leg touching the ground and is flush with the vehicle body bridge section.

[0010] Furthermore, the auxiliary cargo bridge also includes two hydraulic winches, one hydraulic winch is installed at the front of the chassis vehicle, and the other hydraulic winch is installed at the rear of the vehicle body bridge section. The two hydraulic winches drive the mobile trolley to move forward and backward along the vehicle body bridge section by retracting and releasing the steel wire rope.

[0011] Furthermore, the mobile trolley is a pentahedron with a trapezoidal bottom surface and triangular opposite surfaces on both sides. The front end of the bottom surface is the short side of the trapezoid and is provided with a pair of front rollers. The rear end of the bottom surface is provided with a pair of rear rollers. The front and rear rollers are both installed inside the slide groove of the vehicle body bridge section. At the same time, a hinge hole for connecting with the mobile bridge section is provided on the top of the mobile trolley.

[0012] The movable bridge section moves backward along the vehicle body bridge section to its position, the slide groove cooperating with the front roller is hollowed out, and the front roller of the movable trolley is supported by a flip plate installed on the telescopic rod of the oil cylinder, and the oil cylinder is installed at the tail end of the vehicle body bridge section; after the movable bridge section moves into position, the flip plate swings down, the front roller of the movable trolley moves down, the top of the movable trolley is flush with the vehicle body bridge section, and the end of the movable bridge section is butt-jointed with the vehicle body bridge section.

[0013] Furthermore, the universal walking wheel is connected to the tail of the movable bridge section through a telescopic cylinder.

[0014] Furthermore, the front supporting leg, the bidirectional supporting leg, the first supporting leg and the second supporting leg are all retractable structures.

[0015] A method for erecting a mechanized auxiliary cargo bridge for a conveyor, using the auxiliary cargo bridge, for the erection of the auxiliary cargo bridge for self-propelled equipment loading and unloading, in the transport state, the end springboard is folded and retracted, the vehicle body bridge section is placed on the chassis vehicle, the mobile bridge section is placed above the vehicle body bridge section, and the front legs and the two-way top support legs are in the lowest position; the chassis vehicle drives to a set position behind the cargo compartment of the conveyor, parks outside the cargo compartment of the conveyor, unfolds the end springboard, and aligns and connects with the cargo compartment of the conveyor; extends the front legs and the two-way top support legs to adjust the height of the chassis vehicle, lowers the first leg to touch the ground for support, the sliding of the mobile trolley drives the movement of the mobile bridge section, and the movement of the mobile bridge section while extending the universal running wheel to touch the ground for rolling support, after the mobile bridge section moves backward into position, the end of the mobile bridge section is docked with the vehicle body bridge section, the universal running wheel is retracted, and then the end of the mobile bridge section is made to touch the ground; the tail springboard is manually installed to complete the erection of the auxiliary cargo bridge for self-propelled equipment loading and unloading;

[0016] For the erection of the auxiliary cargo bridge for loading and unloading of non-self-propelled equipment, in the transport state, the end springboard is folded and retracted, the vehicle body bridge section is placed on the chassis vehicle, the mobile bridge section is placed above the vehicle body bridge section, and the front legs and the two-way top support legs are in the lowest position; the chassis vehicle drives to the set position behind the cargo hold of the transport aircraft, parks outside the cargo hold of the transport aircraft, unfolds the end springboard, and aligns and connects with the cargo hold of the transport aircraft; extends the front legs and the two-way top support legs to adjust the height of the chassis vehicle, lowers the first leg to touch the ground for support, and the sliding of the mobile trolley drives the movement of the mobile bridge section. While the mobile bridge section moves, the universal walking wheels are extended to touch the ground for rolling support. After the mobile bridge section moves backward into position, the end of the mobile bridge section is docked with the vehicle body bridge section, and at the same time, the mobile bridge section is supported by the second leg touching the ground and is flush with the vehicle body bridge section, and the universal walking wheels are retracted to complete the erection of the auxiliary cargo bridge for loading and unloading of non-self-propelled equipment.

[0017] Furthermore, when the end of the mobile bridge section is docked with the vehicle body bridge section, after the mobile bridge section is moved into place, the flip plate is swung down by the oil cylinder, the front roller of the mobile trolley is moved down, the top of the mobile trolley is flush with the vehicle body bridge section, and the end of the mobile bridge section is docked with the vehicle body bridge section.

[0018] Furthermore, the height of the chassis vehicle is adjusted by adjusting the telescopic length of the front legs and the two-way top support legs; the height of the vehicle body bridge section is adjusted by adjusting the telescopic length of the first legs; and the height of the movable bridge section is adjusted by adjusting the telescopic length of the second legs.

[0019] Furthermore, support rods are installed on both sides of the first leg and the second leg to form a triangular support.

[0020] Beneficial effects:

[0021] The auxiliary cargo bridge of the present invention has adjustable height, high mechanization degree, saves manpower, has low labor intensity, short operation time and high efficiency; it can meet the loading and unloading of self-propelled equipment and also meet the loading and unloading of non-self-propelled equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is the packaged diagram of the present invention (transportation state);

[0023] Figure 2 (a) and (b) are respectively a top view and a front view of the mobile vehicle of the present invention;

[0024] Figure 3 It is the working state diagram of the present invention (ensuring the loading, unloading and erection process of self-propelled equipment);

[0025] Figure 4 This is the working state diagram of the present invention (ensuring the loading and unloading state of the self-propelled equipment);

[0026] Figure 5 This is the working state diagram of the present invention (ensuring the loading, unloading and erection process of non-self-propelled equipment);

[0027] Figure 6 This is the working state diagram of the present invention (ensuring the loading and unloading state of non-self-driving equipment);

[0028] Among them, 1-chassis vehicle, 2-end springboard, 3-rear springboard, 4-body bridge section, 5-mobile trolley, 6-mobile bridge section, 7-front outrigger, 8-bidirectional top support leg, 9-hydraulic winch I, 10-cylinder, 11-first outrigger, 12-hydraulic winch II, 13-universal walking wheel, 14-second outrigger, 15-flip plate, 16-chute, 5-1-rear roller, 5-2-front roller. DETAILED DESCRIPTION

[0029] The present invention is described in detail below with reference to the accompanying drawings and embodiments.

[0030] This embodiment provides a mechanized auxiliary cargo bridge for a transporter, such as Figure 1 As shown, it includes a chassis vehicle 1, an end springboard 2, a rear springboard 3, a vehicle body bridge section 4, a moving trolley 5, a moving bridge section 6, a front support leg 7, a two-way top support leg 8, a walking universal wheel 13, a first support leg 11 and a second support leg 14.

[0031] The front upper part of the chassis 1 is provided with a front support ear plate, a front support leg 7, a two-way support leg 8, and a hydraulic winch Ⅰ 9. The rear upper part of the chassis 1 is provided with a front support ear plate, a front support leg 7, and a two-way support leg 8. The rear upper part of the chassis 1 is provided with a hydraulic winch Ⅰ 9. The rear springboard 3 is provided on the chassis 1, and is used to be installed at the rear of the mobile bridge section 6. The body bridge section 4 is located above the chassis 1, and the front end of the body bridge section 4 is provided with a hinged ear plate, which is hinged with the front support ear plate at the upper part of the front end of the chassis 1; a hinge hole is provided in the middle and rear part of the body bridge section 4, and the hinge hole is pin-connected with the two-way support leg 8 on the chassis 1; at the same time, the end springboard 2 is hinged at the front end of the body bridge section 4, and the end springboard 2 is connected with the cargo compartment of the external transporter after being unfolded. A slide 16 is provided on both sides of the middle rut of the body bridge section 4, and a first support leg 11, a hydraulic winch Ⅱ 12 and a cylinder 10 are provided at the rear end of the body bridge section 4. The upper part of the telescopic rod of the oil cylinder 10 is connected to the flip plate 15, which is used to support the front roller of the moving trolley 5 after the moving bridge section 6 moves into place. The front leg 7 and the first leg 11 are telescopic structures.

[0032] The movable bridge section 6 is located above the vehicle body bridge section 4 , and the end of the movable bridge section 6 is hinged to the movable trolley 5 . The movable bridge section 6 moves forward and backward along the slide groove 16 of the vehicle body bridge section 4 through the movable trolley 5 .

[0033] like Figure 2As shown in (a) and (b), the moving trolley 5 is a pentahedron with a trapezoidal bottom and triangular opposite surfaces on both sides. The front end of the bottom is the short side of the trapezoid, and is provided with a pair of front rollers 5-2, and a pair of rear rollers 5-1 is provided at the rear end of the bottom. The front and rear rollers are both installed inside the slide groove 16 of the vehicle body bridge section 4; after the moving bridge section 6 is moved into place, the slide groove 16 cooperating with the front roller 5-2 is hollowed out, and at this time the front roller 5-2 is supported by the flip plate 15, and at the same time, a hinge hole for connecting with the moving bridge section 6 is provided on the top of the moving trolley 5.

[0034] The front upper part of the mobile bridge section 6 is provided with a hinge hole, through which the mobile bridge section 6 is hinged with the hinge hole on the top of the mobile trolley 5. The rear of the mobile bridge section 6 is provided with a second leg 14 and a universal wheel 13. The second leg 14 is a telescopic structure and the height is adjustable. The universal wheel 13 is connected to the rear of the mobile bridge section 6 through a telescopic oil cylinder, and the height and angle are adjustable. A support rod is also placed on the chassis 1 to strengthen the stability of the first leg 11 and the second leg 14.

[0035] The working process is as follows:

[0036] Ensure the erection process of the auxiliary cargo bridge for loading and unloading of self-propelled equipment Figure 3 , Figure 4 As shown: in the transport state, the end springboard 2 is folded and retracted, the vehicle body bridge section 4 is placed on the chassis 1, the mobile bridge section 6 is placed above the vehicle body bridge section 4, and the front support legs 7 and the two-way top support legs 8 are in the lowest position; the chassis 1 travels to the set position behind the cargo hold of the transport aircraft, and parks outside the cargo hold of the transport aircraft. Under the action of the hydraulic mechanism, the end springboard 2 is unfolded and aligned with the cargo hold of the transport aircraft (the erection angle of the end springboard 2 is adjusted according to the height of the cargo hold at the rear of the transport aircraft); the front support legs 7 and the two-way top support legs 8 are extended to adjust the height of the chassis 1, so that the wheels of the chassis 1 are off the ground, and the vehicle body bridge section 4 is leveled, and then the first support leg 11 is lowered, and the telescopic length of the first support leg 11 is adjusted to support the vehicle body by touching the ground. Bridge section 4; hydraulic winch Ⅰ9 and hydraulic winch Ⅱ12 cooperate to make the mobile trolley 5 slide along the slide groove 16 of the vehicle bridge section 4 through the steel wire rope, driving the mobile bridge section 6 to move, while the mobile bridge section 6 moves, the universal running wheel 13 is extended to touch the ground and roll support, after the mobile bridge section 6 moves backward to the position, the oil cylinder 10 drives the flip plate 15 to swing down, the front roller 5-2 of the mobile trolley 5 moves down, the top of the mobile trolley 5 is flush with the vehicle bridge section 4, the end of the mobile bridge section 6 is docked with the vehicle bridge section 4, the universal running wheel 13 is retracted, and then the end of the mobile bridge section 6 touches the ground; the tail springboard 3 is manually installed, and support rods are installed on both sides of the first leg 11 to form a triangular support, completing the erection of the self-propelled equipment loading and unloading auxiliary cargo bridge. The withdrawal process is the opposite.

[0037] To ensure the erection process of auxiliary cargo bridge for loading and unloading of non-self-propelled equipment Figure 5 , Figure 6As shown: in the transport state, the end springboard 2 is folded and retracted, the vehicle body bridge section 4 is placed on the chassis 1, the mobile bridge section 6 is placed above the vehicle body bridge section 4, and the front support leg 7 and the two-way top support leg 8 are in the lowest position; the chassis 1 travels to the set position behind the cargo hold of the transport aircraft, and parks outside the cargo hold of the transport aircraft. Under the action of the hydraulic mechanism, the end springboard 2 is unfolded and aligned with the cargo hold of the transport aircraft (the erection angle of the end springboard 2 is adjusted according to the height of the cargo hold at the rear of the transport aircraft); the front support leg 7 and the two-way top support leg 8 are extended to adjust the height of the chassis 1, so that the wheels of the chassis 1 are off the ground, and the vehicle body bridge section 4 is leveled, and then the first support leg 11 is lowered, and the telescopic length of the first support leg 11 is adjusted to touch the ground to support the vehicle body bridge section 4; the hydraulic winch I9 and the hydraulic winch II12 cooperate The moving trolley 5 slides along the slide groove 16 of the vehicle bridge section 4 by retracting and releasing the steel wire rope, driving the moving bridge section 6 to move. While the moving bridge section 6 moves, the universal running wheel 13 is extended to touch the ground and roll for support. After the moving bridge section 6 moves backward into position, the oil cylinder 10 drives the flip plate 15 to swing down, and the front roller 5-2 of the moving trolley 5 moves down. The top of the moving trolley 5 is flush with the vehicle bridge section 4, and the end of the moving bridge section 6 is docked with the vehicle bridge section 4. At the same time, the moving bridge section 6 is supported by the second leg 14 touching the ground and the height of the moving bridge section 6 is adjusted by adjusting the telescopic length of the second leg 14 to make it flush with the vehicle bridge section 4, and the universal running wheel 13 is retracted; support rods are installed on both sides of the first leg 11 and the second leg 14 to form a triangular support, completing the erection of the auxiliary cargo bridge for non-self-propelled equipment loading and unloading. The withdrawal process is the opposite.

[0038] In summary, the above are only preferred embodiments of the present invention and are not intended to limit the protection scope of the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A mechanized auxiliary cargo bridge for a transport aircraft, characterized in that: The auxiliary cargo bridge includes a chassis, an end springboard, a rear springboard, a vehicle body bridge section, a moving trolley, a moving bridge section, a front leg, a two-way top support leg, a walking universal wheel, a first leg and a second leg; The vehicle body bridge section is located above the chassis vehicle, the front end of the vehicle body bridge section is hinged to the front end of the chassis vehicle, the middle and rear part of the vehicle body bridge section is hinged to the two-way top support leg, the two-way top support leg is arranged at the rear of the chassis vehicle, and the end springboard is hinged to the front end of the vehicle body bridge section, and the tail end of the vehicle body bridge section is arranged with the first support leg; the mobile bridge section is located above the vehicle body bridge section, the end of the mobile bridge section is hinged to the moving trolley, and the mobile bridge section moves forward and backward along the vehicle body bridge section through the moving trolley; the second support leg and the universal walking wheel are arranged at the tail end of the mobile bridge section; The front legs are arranged at the front of the chassis; the rear springboard is arranged on the chassis and is used to be installed at the rear of the mobile bridge section; After the end springboard is unfolded, it docks with the cargo hold of the external transport aircraft. The mobile bridge section moves backward along the vehicle body bridge section through the mobile trolley. After being stretched into place, the end of the mobile bridge section completes docking with the vehicle body bridge section. In the self-propelled equipment unloading state, the tail of the mobile bridge section touches the ground and transitions to the ground from the tail springboard; in the non-self-propelled equipment unloading state, after the mobile bridge section is stretched into place, it is supported by the second leg touching the ground and is flush with the vehicle body bridge section. The auxiliary cargo bridge also includes two hydraulic winches, one hydraulic winch is installed at the front of the chassis, and the other hydraulic winch is installed at the rear of the vehicle body bridge section. The two hydraulic winches drive the mobile trolley to move forward and backward along the vehicle body bridge section by retracting and releasing the steel wire rope; The mobile trolley is a pentahedron with a trapezoidal bottom surface and triangular opposite surfaces on both sides. The front end of the bottom surface is the short side of the trapezoid and is provided with a pair of front rollers. The rear end of the bottom surface is provided with a pair of rear rollers. The front and rear rollers are both installed inside the slide groove of the vehicle body bridge section. At the same time, a hinge hole for connecting with the mobile bridge section is provided on the top of the mobile trolley. The movable bridge section moves backward along the vehicle body bridge section to its position, the slide groove cooperating with the front roller is hollowed out, and the front roller of the movable trolley is supported by a flip plate installed on the telescopic rod of the oil cylinder, and the oil cylinder is installed at the tail end of the vehicle body bridge section; after the movable bridge section moves into position, the flip plate swings down, the front roller of the movable trolley moves down, the top of the movable trolley is flush with the vehicle body bridge section, and the end of the movable bridge section is butt-jointed with the vehicle body bridge section.

2. The mechanized auxiliary cargo bridge of a transporter according to claim 1, characterized in that: The universal walking wheel is connected with the tail of the movable bridge section through a telescopic oil cylinder.

3. The mechanized auxiliary cargo bridge of a transporter according to claim 1, characterized in that: The front supporting leg, the bidirectional supporting leg, the first supporting leg and the second supporting leg are all retractable structures.

4. A method for erecting a mechanized auxiliary cargo bridge for a transport aircraft, characterized in that: The auxiliary cargo bridge as described in claim 1 is used for the erection of the auxiliary cargo bridge for self-propelled equipment loading and unloading. In the transport state, the end springboard is folded and retracted, the vehicle body bridge section is placed on the chassis vehicle, the mobile bridge section is placed above the vehicle body bridge section, and the front legs and the two-way top support legs are in the lowest position; the chassis vehicle drives to the set position behind the cargo hold of the transport aircraft, parks outside the cargo hold of the transport aircraft, unfolds the end springboard, and aligns and connects with the cargo hold of the transport aircraft; the front legs and the two-way top support legs are extended to adjust the height of the chassis vehicle, the first leg is lowered to support the ground contact, the sliding of the mobile trolley drives the movement of the mobile bridge section, and the universal walking wheel is extended to support the ground contact and rolling, and after the mobile bridge section moves backward into position, the end of the mobile bridge section is docked with the vehicle body bridge section, the universal walking wheel is retracted, and then the end of the mobile bridge section is touched to the ground; the tail springboard is manually installed to complete the erection of the auxiliary cargo bridge for self-propelled equipment loading and unloading; For the erection of the auxiliary cargo bridge for loading and unloading of non-self-propelled equipment, in the transport state, the end springboard is folded and retracted, the vehicle body bridge section is placed on the chassis vehicle, the mobile bridge section is placed above the vehicle body bridge section, and the front legs and the two-way top support legs are in the lowest position; the chassis vehicle drives to the set position behind the cargo hold of the transport aircraft, parks outside the cargo hold of the transport aircraft, unfolds the end springboard, and aligns and connects with the cargo hold of the transport aircraft; extends the front legs and the two-way top support legs to adjust the height of the chassis vehicle, lowers the first leg to touch the ground for support, and the sliding of the mobile trolley drives the movement of the mobile bridge section. While the mobile bridge section moves, the universal walking wheels are extended to touch the ground for rolling support. After the mobile bridge section moves backward into position, the end of the mobile bridge section is docked with the vehicle body bridge section, and at the same time, the mobile bridge section is supported by the second leg touching the ground and is flush with the vehicle body bridge section, and the universal walking wheels are retracted to complete the erection of the auxiliary cargo bridge for loading and unloading of non-self-propelled equipment.

5. The method for erecting a mechanized auxiliary cargo bridge for a transporter according to claim 4, characterized in that: When the end of the mobile bridge section is docked with the vehicle body bridge section, after the mobile bridge section is moved into place, the flip plate is swung down by the oil cylinder, the front roller of the mobile trolley is moved down, the top of the mobile trolley is flush with the vehicle body bridge section, and the end of the mobile bridge section is docked with the vehicle body bridge section.

6. The method for erecting a mechanized auxiliary cargo bridge for a transporter according to claim 4, characterized in that: The height of the chassis vehicle is adjusted by adjusting the telescopic length of the front legs and the two-way top support legs; the height of the vehicle body bridge section is adjusted by adjusting the telescopic length of the first legs; and the height of the mobile bridge section is adjusted by adjusting the telescopic length of the second legs.

7. The method for erecting a mechanized auxiliary cargo bridge for a transporter according to claim 4, characterized in that: Support rods are installed on both sides of the first supporting leg and the second supporting leg to form a triangular support.

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