CN212126538U - a luggage delivery vehicle - Google Patents

Abstract

The utility model discloses an electric luggage conveying vehicle carrying a main conveying device, a flexible conveying device and a loading and unloading device, wherein the flexible conveying device comprises a traveling device and a flexible conveying device that can bend forward, and the arrangement of the flexible conveying device avoids the need for a cabin At the same time, the flexible conveying device and loading and unloading device can realize the lifting and stretching of the conveying mechanism. This design improves the alignment accuracy of the luggage loading point and the unloading point, and greatly reduces the labor intensity during the luggage stacking process. Improve work efficiency.

Description

a luggage delivery vehicle

technical field

The utility model relates to the field of object conveying and transportation, in particular to a luggage conveying vehicle, in particular to an electric luggage conveying vehicle provided with a flexible conveying device.

Background technique

At present, with the rapid development of my country's aviation industry, the number of airports in my country is also increasing rapidly, and at the same time, the continuous increase in the volume of bulk cargo transportation in many airports has led to more and more airports' demand for luggage transfer vehicles. Patent ZL200710047377.2 discloses the basic structure of the existing luggage transfer vehicle in my country. The luggage transfer vehicle is generally composed of a body and a liftable conveying frame arranged on the body. The hydraulic system and the electrical system are used to jointly drive the conveying frame to realize the airport and the ground. transfer of luggage.

Obviously, the appearance of the luggage transfer vehicle makes the transfer operation of luggage more simple and convenient, and the workload of luggage handling can be greatly reduced by constructing a transfer rack between the aircraft and the ground. However, the current luggage transfer vehicles still have the following problems:

1. In order to prevent the luggage from rolling off due to the excessive inclination of the conveyor rack, the luggage transfer vehicle is often designed to have a longer vehicle length. Generally, the entire luggage transfer vehicle is 11 meters long. Its turning radius is too large, the maneuverability during operation is poor, the transition efficiency is low, and there is a great safety hazard;

2. Although the luggage transfer vehicle solves the problem of luggage transfer between the aircraft and the ground, it is still inconvenient to operate when loading and unloading luggage. When the luggage is loaded in the cabin, the existing luggage transfer vehicle can only transfer the luggage to the cabin door. In the later stage, the luggage can only be transferred and stacked by manual handling, while the internal height of the aircraft cargo compartment is only 1.5m, and the handling distance is more than 20 meters, which is labor-intensive;

3. Due to the height difference between the luggage transfer vehicle and the luggage transfer workshop, it is often necessary to transfer the stacked luggage on the luggage transfer vehicle to the luggage transfer vehicle by manual handling when loading luggage. It requires a lot of manual operations, the work efficiency is low, the luggage is easily damaged, and the long-term and high-intensity loading and unloading operations are likely to cause occupational diseases such as shoulder, waist, and leg injuries of workers.

Utility model content

The technical problem to be solved by the present invention is to solve the above problems, and to provide a luggage transfer vehicle that can transport luggage to a designated position in the cabin, thereby improving the convenience of loading luggage and stacking luggage during luggage transfer, and improving luggage transfer efficiency. , reduce the workload of workers.

In order to solve the above-mentioned technical problems, the technical solution of the present utility model is:

A luggage conveying vehicle includes a vehicle and a conveying device installed on the vehicle, wherein the conveying device includes a main conveying device and a flexible conveying device, and a lifting mechanism for controlling the lifting and lowering of the main conveying device is also provided on the vehicle, so that the main conveying device and the The docking of the cabin hatch, the main conveying device has a main conveyor belt that can be conveyed in both directions to meet the needs of luggage and cargo loading and unloading. The flexible conveying device includes a walking device and a flexible conveying device that can bend forward. The flexible conveying device allows luggage and cargo to reach the cabin directly. Any corner in the cabin can reduce the difficulty of cargo and luggage handling in the cabin. The flexible conveying device is connected to the upper end of the main conveying device through the flexible conveying device, and the lower end of the main conveying device is installed on the vehicle.

Preferably, the flexible conveying device can be concealed and installed in the main conveying device, the main conveying device is also provided with a push-pull mechanism, the push-pull mechanism is connected with the tail of the flexible conveying device, and the flexible conveying device enters and exits the main conveying device under the action of the push-pull mechanism. the upper end of .

Preferably, the main conveying device includes an elongated fixing frame, the two ends of the fixing frame are respectively fixed with a driving roller and a driven roller, and the main conveying belt is wound around the driving roller and the driven roller at the same time, and is driven by the driving roller. Transmission; there is a tensioning mechanism between the driving roller and the driven roller, the main conveyor belt passes through the tensioning mechanism and the tensioning mechanism adjusts the tension of the main conveyor belt; there is a space to hide the flexible transmission device under the main conveyor belt, and a push-pull is fixed in the space mechanism.

Preferably, the tensioning mechanism includes a tensioning bolt, a tensioning bracket, a limit nut, a left tensioning roller and a right tensioning roller, the tensioning bracket is fixed in the middle of a rotating roller, and the left tensioning roller, the right tensioning roller and the The rotating rollers are fixedly connected and distributed on both sides of the rotating rollers. The rotating rollers are rotatably connected to the fixing frame. The tensioning bolts pass through the fixing frame and the tensioning bracket in turn along the traveling direction of the main conveyor belt and are locked by the limit nuts. The tensioning mechanism can tighten the main conveyor belt and prevent it from slipping.

Preferably, the lower end of the main conveying device is rotatably connected to the middle of the rear of the chassis of the vehicle, two lifting mechanisms are fixed in the middle of the front section of the chassis, and a sliding block is respectively set at the upper end of the lifting mechanism, and the sliding blocks are respectively sleeved on the main transmission. on the slide rails on both sides of the unit.

Preferably, in order to solve environmental problems such as exhaust pollution and noise pollution caused by diesel power, and at the same time to improve the stability of the luggage conveying vehicle, the vehicle is an electric vehicle, and the electric drive devices of the electric vehicle are fixedly installed on both sides of the chassis.

Preferably, the push-pull mechanism includes a driving device, a driving sprocket, a chain, a driven sprocket, and a tensioning wheel. A closed chain ring is formed behind the wheel, and the tensioning wheel is pressed against and arranged outside the chain ring. The tensioning wheel can move up and down to realize the tension and relaxation of the chain ring; a chain connecting plate is also fixed on the chain, and the chain connecting plate is connected with the flexible chain. The fixed plate at the rear of the conveyor is fixedly connected.

Preferably, the lower end of the main conveying device is also connected with a loading and unloading device that can swing left and right and can be lifted and lowered, so as to realize the docking with cargo luggage of different directions and heights. Send itinerary.

After adopting the above scheme, the utility model has the following advantages:

1. Electric vehicles driven by electricity are used to solve the environmental protection problems of exhaust emission and high noise of internal combustion engines, improve the stability of luggage during the conveying process of luggage conveying vehicles, and effectively avoid luggage slipping due to vehicle vibration;

2. The main conveying device, flexible conveying device and loading and unloading device are used to work together to meet the point-to-point transportation requirements of baggage, avoid baggage handling in the cabin, and reduce the occurrence of occupational diseases of workers;

3. The flexible conveying device and the loading and unloading device are equipped with a telescopic mechanism and a lifting mechanism, which can improve the alignment accuracy of the baggage loading point and the unloading point, greatly reduce the labor intensity in the process of baggage stacking, and improve the operation efficiency;

4. The concealable design of the flexible conveying device and the addition of loading and unloading devices make it possible to shorten the length of the luggage conveying vehicle when designing it, thereby improving the flexibility of the luggage conveying vehicle in transition.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present utility model;

Fig. 2 is the structural schematic diagram of the main conveying device of the present invention;

3 is a schematic structural diagram of the tensioning mechanism in the main conveying device;

4 is a schematic structural diagram of the tensioning state of the tensioning mechanism in the main conveying device;

5 is a schematic structural diagram of a push-pull mechanism in the main conveying device;

6 is a schematic structural diagram of the flexible transmission device of the present invention;

Fig. 7 is the structure schematic diagram of the traveling device in the flexible conveying device;

8 is a schematic structural diagram of a flexible conveying device in a flexible conveying device;

9 is a schematic structural diagram of the retracted state of the first belt telescopic mechanism in the flexible conveying device;

Figure 10 is a schematic structural diagram of the loading and unloading device of the present invention.

Detailed ways

The present utility model will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

The utility model discloses a luggage transfer vehicle, as shown in FIG. 1 , which is a preferred embodiment of the present utility model. The luggage transfer vehicle includes a vehicle 3 and a transfer device installed on the vehicle 3 . The transfer device includes a main The conveying device 1 and the flexible conveying device 2, wherein the upper end of the main conveying device 1 is connected to the flexible conveying device 2, and the lower end is mounted on the vehicle 3. The main conveying device 1 has a main conveying belt 11 that can be conveyed in both directions, so as to carry luggage and carry out Up and down bidirectional transmission. The vehicle 3 is also equipped with a lifting mechanism 31 that controls the lifting and lowering of the main conveying device 1. The main conveying device 1 forms different inclination angles with the horizontal plane under the action of the lifting mechanism 31, so as to realize the docking between the hatches of different models and different heights and the ground. The flexible conveying device 2 includes a walking device 21 and a flexible conveying device 22 that can bend forward. The flexible conveying device 2 is docked with the upper end of the main conveying device 1 through the flexible conveying device 22. The flexible conveying device 2 can bend and move forward arbitrarily in the cargo hold of the aircraft. , to transfer the cargo and luggage to the required stacking position. Obviously, the application of the flexible conveying device 2 reduces the labor intensity of luggage handling from the engine hatch to the stacking position.

In order to solve environmental protection problems such as exhaust pollution and noise pollution caused by diesel power, and to avoid the impact of vibration during engine operation on the stability of the luggage conveying vehicle, this embodiment adopts an electric vehicle as the main body of the vehicle. In the rear chassis 33 , the electric drive device 34 for driving the car forward is fixedly installed above both sides of the chassis 33 , and the main transmission device 1 is installed in the middle of the chassis 33 . Specifically, the lower end of the main conveying device 1 is rotatably connected to the middle of the rear of the chassis 33 of the vehicle, and the main conveying device 1 can swing up and down around the fixed shaft at the lower end. Two lifting mechanisms 31 are fixedly arranged in the middle of the front section of the chassis 33 . The upper ends of the lifting mechanisms 31 are respectively provided with a sliding block 34 . The lift mechanism 31 synchronously controls the upper end of the main conveying device 1 to move up and down, and the lift mechanism 31 generally adopts a hydraulic drive mechanism.

The main conveying device 1 includes an elongated fixed frame 10. The two ends of the fixed frame 10 are respectively fixed with a driving roller 12 and a driven roller 14. The main conveyor belt 11 is wound around the driving roller 12 and the driven roller 14. The output shaft of the first motor 15 is coaxially connected, and the first motor 15 drives the driving roller 12 to drive the main conveyor belt 11 to realize continuous bidirectional conveyance of goods on the main conveyor belt 11 . Further, as shown in Fig. 2, a tensioning mechanism 4 is also provided between the driving roller 12 and the driven roller 14. The main conveyor belt 11 passes through the tensioning mechanism 4 and the tensioning mechanism 4 adjusts the tension of the main conveyor belt 11. The tensioning mechanism 4 includes a tensioning bolt 41, a tensioning bracket 42, a limit nut 43, a left tensioning roller 44, a right tensioning roller 45 and a rotating roller 46. The tensioning bracket 42 is fixed in the middle of the rotating roller 46, and the left tensioning roller The roller 44 and the right tension roller 45 are fixedly connected with the rotating roller 46 and are distributed on both sides of the rotating roller 46 respectively. Connected to the fixing frame 10 , the tensioning bolts 41 pass through the fixing frame 10 and the tensioning bracket 42 in sequence along the traveling direction of the main conveyor belt 11 and are locked by the limit nuts 43 . The tensioning mechanism 4 can tension the main conveyor belt 11 to prevent the main conveyor belt 11 from slipping according to the needs of cargo loading. Specifically, as shown in FIG. 3 and FIG. 4 , when the tensioning bolt 41 is tightened, it is in the limit nut Under the action of 43, the tensioning bracket 42 is moved to the left, and the tensioning bracket 42 then drives the rotating roller 46 fixedly connected to it to rotate, while the left tensioning roller 44 and the right tensioning roller 45 that are fixedly connected to the rotating roller 46 rotate around it. The axis of the rotating roller 46 rotates clockwise, the position of the left tension roller 44 moves upward, and the position of the right tension roller 45 moves downward. The winding distance of the main conveyor belt 11 is increased to play a tensioning role. When the tensioning bolt 41 is loosened, the tensioning mechanism 4 is under the action of the restoring force of the main conveyor belt 11, and the above process is reversed.

As shown in FIG. 1 , a space 16 for concealing the flexible conveying device 2 is left under the main conveyor belt 11 , and a push-pull mechanism 5 is fixed in the space 16 . Through the push-pull mechanism 5 , the flexible conveying device 22 in the flexible conveying device 2 can be hidden and movably installed In the main conveying device 1 , the flexible conveying device 2 enters and exits the upper end of the main conveying device 1 under the action of the push-pull mechanism 5 . Specifically, the push-pull mechanism 5 is fixed on the bottom surface of the fixing frame 10 . As shown in FIG. 5 , the push-pull mechanism 5 includes a driving device 51 , a driving sprocket 52 , a chain 53 , a driven sprocket 54 , and a tensioning wheel 55 . The driving device 51 outputs The shaft is coaxially and fixedly connected to the driving sprocket 52 through a bearing, the chain 53 bypasses the driving sprocket 54 and the driven sprocket 54 in turn to form a closed chain ring, and the tensioning wheel 55 is pressed against the outside of the chain ring. 55 can move up and down to realize the control of the tightness of the chain 53. When the tensioning wheel 55 is pressed down and locked, the chain 53 can be tensioned. A chain connecting plate 56 is also fixed on the chain 53 , and the chain connecting plate 56 is fixedly connected with the fixing plate 20 at the tail of the flexible conveying device 2 .

The upper end of the main conveying device 1 is docked with the flexible conveying device 2, as shown in Figures 6-7, in the flexible conveying device 2, the traveling device 21 is the head of the flexible conveying device 2, and the flexible conveying device 22 is located at the rear end of the traveling device 21 Driven by the running device 21, it bends and moves forward in the nacelle.

As shown in Figures 7 and 9, the front section of the traveling device 21 is also provided with an upper conveying mechanism 6 that can be lifted and lowered. The upper conveying mechanism 6 includes an upper conveying belt 61, which can move forward or backward under the action of the internal drive mechanism Carry out two-way conveying of goods. The upper conveying mechanism 6 is rotatably connected to the traveling device fixing frame 63 through the first rotating shaft 62, and the upper conveying mechanism 6 can swing up and down around the first rotating shaft 62. A first lifting mechanism 64 is connected to realize the lifting operation of the upper conveying mechanism 6. The first lifting mechanism 64 can be selected from an electric push rod or a hydraulic cylinder. The upper conveying mechanism 6 is also provided with a first belt telescopic mechanism 65. The first belt telescopic mechanism 65 can further extend or shorten the above-mentioned upper conveying belt 61, through the cooperative operation of the first lifting mechanism 64 and the first belt telescopic mechanism 65. , the front end of the upper conveyor belt 61 can be lifted and retracted to a suitable stacking position, which is convenient for loading, unloading and stacking of goods. The lower surface of the traveling device 21 can also be provided with an electric roller 66 with a built-in motor. The electric roller 66 can rotate forwardly and reversely, so that the traveling device 21 has the traction force to move forward or backward. The conveyor 2 moves forward or backward.

Further, as shown in Fig. 1, in order to solve the problem of docking between the main conveying device 1 and the baggage transfer workshop, a loading and unloading device 7 is also connected to the lower end of the main conveying device 1. As shown in Fig. 10, the loading and unloading device 7 is fixed by the loading and unloading device. 73 is composed of a lower conveying mechanism 8 installed above it. The lower conveying mechanism 8 includes a lower conveying belt 81, and the lower conveying belt 81 can convey goods in both directions forward or backward under the action of the internal drive structure. One side of the loading and unloading device 7 is provided with two cantilever arms 71 that are symmetrically distributed. The two cantilever arms 71 are parallel to each other and respectively form the same angle with the horizontal plane. In the example, the upper end of the cantilever 71 is respectively provided with through holes 72 , and the two through holes 72 are respectively rotatably and movably sleeved on both ends of the driven roller 14 of the main conveying device 1 . The cantilever 71 can drive the loading and unloading device 7 to be independent of the driven roller 14 . It swings freely up and down around the axis of the driven roller 14 . The lower ends of the cantilever 71 are respectively connected to a second lifting mechanism 74 movably. The other end of the second lifting mechanism 74 is mounted on the vehicle 3 . The second lifting mechanism 74 can control the cantilever 71 around the axis of the driven roller 14 through telescopic control. It swings up and down, and then drives the loading and unloading device 7 to perform a controllable lifting movement. The second lifting mechanism 74 can also choose an electric push rod or a hydraulic cylinder.

The loading and unloading device fixing frame 73 of the loading and unloading device 7 is movably connected to the connecting piece 75 that is fixedly connected to the two cantilevers 71 through the second rotating shaft 72. The second rotating shaft 72 is perpendicular to the plane where the lower conveyor belt 81 is located, so the lower conveying mechanism 8 can be fixed with the loading and unloading device. The rack 73 swings left and right around the second rotating shaft 72 to dock luggage from different directions. Further, a positioning module may also be arranged between the connecting member 75 and the mounting and dismounting device fixing frame 73 to keep the mounting and dismounting device fixed in a certain direction.

The lower conveying mechanism 8 is further provided with a second belt telescopic mechanism 82 , which can further extend or shorten the lower conveying belt 81 . Through the cooperative operation of the second lifting mechanism 74 , the second belt telescopic mechanism 82 and the loading and unloading device fixing frame 73 , the lower conveying belt 81 can realize operations such as up and down lifting, front and rear telescopic, left and right swing, etc., so that the end of the lower conveying belt 81 can be aligned. Baggage in different directions on the baggage transfer vehicle is convenient for loading and unloading of baggage.

When working, follow these steps:

Step 1: Drive the luggage transfer vehicle carrying the main conveyor 1, the flexible conveyor 2 and the loading and unloading device 7 to a suitable position under the cabin, and drive the luggage transfer vehicle to a suitable position near the luggage transfer vehicle;

Step 2: Activate the lifting mechanism 31 that controls the lifting and lowering of the main conveying device, so that the upper end of the elongated main conveying device 1 is flush with the engine hatch, and then keep the main conveying device 1 stationary;

Step 3: Activate the push-pull mechanism 5 inside the main transmission device 1, and drive the flexible transmission device 2 hidden in the main transmission device 1 through the chain 53 of the push-pull mechanism 5, so that the flexible transmission device 2 is pushed out from the upper opening of the main transmission device 1. The device 2 includes a traveling device 21 and a flexible conveying device 22 that can bend forward. The flexible conveying device 22 is driven by the traveling device 21 to bend forward in the cabin and make the traveling device 21 stay at the luggage stacking point in the cabin, and start and control the flexible transmission. The first lifting mechanism 64 of the upper conveying mechanism 6 in the device 2 lifts and lowers the upper conveying mechanism 6 in the traveling device 21 to the specified height, and activates the first belt telescopic mechanism 65 to elongate the upper conveying belt 61 to the specified length;

Step 4: Activate the second lifting mechanism 74 that controls the lifting and lowering of the loading and unloading device 7, so that the lower conveying mechanism 8 in the loading and unloading device 7 reaches the specified height, and activate the second belt telescopic mechanism 82 to elongate the lower conveying belt 81 to the specified length, And adjust the direction of the lower conveying mechanism 8;

Step 5: Start the lower conveying mechanism 8 of the loading and unloading device 7, the main conveying belt 11 of the main conveying device 1, the flexible conveying device 22 and the upper conveying mechanism 6 of the flexible conveying device 2, and load luggage from the lower conveying mechanism 8 or the upper conveying mechanism 6, The baggage is transported through the loading and unloading device 7, the main transporting device 1, and the flexible transporting device 2 in sequence, or the baggage is transported through the flexible transporting device 2, the main transporting device 1, and the loading and unloading device 7 in sequence, and the baggage is unloaded from the upper conveying mechanism 6 or the lower conveying mechanism 8. and stacked.

The above are only preferred embodiments of the present utility model, and do not limit the technical scope of the present utility model. Therefore, any changes or modifications made according to the claims and description of the present utility model shall belong to the present utility model. covered by the new patent.

Claims (8)

1. A baggage conveyor car comprising a vehicle and a conveyor mounted on the vehicle, characterized in that: the conveying device comprises a main conveying device and a flexible conveying device, a lifting mechanism for controlling the main conveying device to lift is further mounted on the vehicle, the main conveying device is provided with a main conveying belt capable of conveying in a two-way mode, the flexible conveying device comprises a walking device and a flexible conveying device capable of moving forwards in a bending mode, the flexible conveying device is in butt joint with the upper end of the main conveying device through the flexible conveying device, and the lower end of the main conveying device is mounted on the vehicle.

2. A baggage conveyor vehicle according to claim 1, characterized in that: the flexible conveying device is movably arranged in the main conveying device in a hidden mode, a push-pull mechanism is further arranged on the main conveying device, and the push-pull mechanism is connected with the tail portion of the flexible conveying device.

3. A baggage conveyor vehicle according to claim 2, characterized in that: the main conveying device comprises a strip-shaped fixing frame, a driving roller and a driven roller are respectively and fixedly mounted at two ends of the fixing frame, and the main conveying belt is simultaneously wound on the driving roller and the driven roller; a tensioning mechanism is arranged between the driving roller and the driven roller, and the main conveying belt penetrates through the interior of the tensioning mechanism; a space for hiding the flexible conveying device is reserved below the main conveying belt, and the push-pull mechanism is fixed in the space.

4. A baggage conveyor vehicle according to claim 3, characterized in that: straining device includes tensioning bolt, tensioning support, stop nut, left tensioning roller and right tensioning roller, the tensioning support is fixed in a live-rollers middle section, left side tensioning roller, right tensioning roller with live-rollers fixed connection distributes respectively the live-rollers both sides, the rotatable connection of live-rollers is in on the mount, tensioning bolt follows the main belt advancing direction passes in proper order the mount with tensioning support and quilt stop nut locks.

5. A baggage conveyor vehicle according to claim 1, characterized in that: the lower end of the main conveying device is rotatably connected to the middle of the tail of a chassis of the vehicle, two lifting mechanisms are fixedly arranged in the middle of the front section of the chassis, the upper ends of the lifting mechanisms are respectively provided with a sliding block, and the sliding blocks are respectively sleeved on sliding rails on two sides of the main conveying device.

6. A baggage transfer cart according to claim 5, characterized in that: the vehicle is an electric automobile, and electric driving devices of the electric automobile are fixedly arranged above two sides of the chassis.

7. A baggage conveyor vehicle according to claim 2, characterized in that: the push-pull mechanism comprises a driving device, a driving chain wheel, a chain, a driven chain wheel and a tension wheel, an output shaft of the driving device is coaxially and fixedly connected with the driving chain wheel, the chain sequentially bypasses the driving chain wheel and the driven chain wheel to form a closed chain ring, and the tension wheel is pressed against and arranged outside the chain ring; and a chain connecting plate is further fixed on the chain and is fixedly connected with a fixing plate at the tail part of the flexible conveying device.

8. A baggage conveyor vehicle according to claim 1, characterized in that: the lower end of the main conveying device is further connected with a loading and unloading device which can swing left and right and can lift, and a telescopic lower conveying mechanism is arranged on the loading and unloading device.

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