Top opening device of cannonball transport vehicle

Abstract

The utility model provides a top opening device of a cannonball transport vehicle, and relates to the technical field of transport vehicles. The top opening device of the cannonball transport vehicle comprises a transport vehicle box, two movable top covers are hinged to the top of the transport vehicle box, a top opening mechanism for driving the movable top covers to be opened and closed is arranged in the transport vehicle box, and the top opening mechanism comprises a hydraulic rod installed on the inner wall of the transport vehicle box. The fixed end of the hydraulic rod is hinged to the inner bottom wall of the transport carriage through a pin shaft, and the telescopic end of the hydraulic rod is hinged to one side face of the movable top cover through a pin shaft. The movable top covers capable of being freely opened and closed are arranged, opening and closing of the movable top covers are controlled under the action of hydraulic rods, loading and unloading are conveniently carried out by transporting the top of the carriage, and the sealing performance between the two movable top covers is improved under the action of first sealing strips; and the closing position of the two movable top covers is shielded under the action of the hydraulic rod, so that the sealing effect of the transport carriage is effectively improved.

Description

Technical Field

[0001] This utility model relates to a top-opening device, specifically a top-opening device for an artillery shell transport vehicle, belonging to the field of transport vehicle technology. Background Technology

[0002] Artillery shells are munitions with a caliber of 20mm or more that are fired from artillery to achieve killing, blasting, penetration, or other tactical purposes. Transport vehicles are vehicles that can carry goods and are used to quickly deliver objects to designated locations. Transport vehicles are usually used to transport large artillery shells.

[0003] Chinese Patent Publication No. CN221698843U discloses a logistics express delivery vehicle box, relating to the field of transport vehicle box technology. This utility model includes a box body with a rear cover rotatably connected to one side. An adjustment device is provided inside the box body, comprising two limiting plates symmetrically arranged inside the box body. The inner walls of the two limiting plates are threaded with a first threaded rod and a second threaded rod, respectively. By setting two limiting plates, under the action of the first and second threaded rods, the first and second threaded rods can respectively drive one limiting plate to move towards the other on the inner wall of the box until the two limiting plates reach a suitable position. This reduces the internal capacity of the box to a suitable size, allowing express packages to fill the interior of the box. This helps prevent express packages from easily shifting and colliding with each other during transportation, ensuring the safe transport of express packages.

[0004] However, the inventor of the above-mentioned device believes that there are certain defects. The top of the box of the above-mentioned device is fixed. Due to the large size and weight of the shells, the door at one end of the box is small, making it inconvenient to load and unload the shells from the door at one end of the box. Therefore, this utility model provides a top-opening device for shell transport vehicles. Utility Model Content

[0005] The purpose of this utility model is to provide an opening device for a shell transport vehicle in order to solve the above-mentioned problems. This addresses the issue in the prior art where the top of the container is fixed, and due to the large size and weight of the shells, the door at one end of the container is small, making it inconvenient to load and unload the shells from the door at one end of the container.

[0006] This utility model is achieved through the following technical solution: a top-opening device for an artillery shell transport vehicle, including a transport vehicle box, the top of which is hinged with two movable top covers, and the interior of the transport vehicle box is provided with a top-opening mechanism for driving the movable top covers to open and close. The top-opening mechanism includes a hydraulic rod installed on the inner wall of the transport vehicle box, the fixed end of which is hinged to the inner bottom wall of the transport vehicle box by a pin, and the telescopic end of which is hinged to one side of the movable top cover by a pin. The tops of the two movable top covers are fixedly connected with a first sealing strip, and the other side of one movable top cover is fixedly connected with a shielding strip.

[0007] Preferably, a refrigeration component is fixedly connected to one end of the transport vehicle body, and a first door is hinged to the other end of the transport vehicle body. The refrigeration component facilitates the cooling of the interior of the transport vehicle body.

[0008] Preferably, the transport vehicle body is hinged with a second door on both the front and back, and a second sealing strip is fixedly connected to one side of the movable top cover. The second sealing strip increases the sealing between the transport vehicle body and the movable top cover after the movable top cover is closed.

[0009] Preferably, the shielding strip is semi-cylindrical, and a third sealing strip is fixedly connected to one side of the shielding strip, which increases the sealing between one end of the shielding strip and the other movable top cover.

[0010] Preferably, a fixing frame is fixedly connected inside the transport vehicle box. The fixing frame is located directly below the hydraulic rod, and the oil pipe of the hydraulic rod is located inside the fixing frame. The fixing frame protects the oil pipe of the hydraulic rod, preventing the oil pipe from being exposed inside the transport vehicle box and causing damage to the oil pipe.

[0011] Preferably, a guide channel is provided on the other side of the movable top cover, and one end of the guide channel is open to guide the rainwater falling on the movable top cover.

[0012] This utility model provides an openable device for an artillery shell transport vehicle, which has the following beneficial effects:

[0013] 1. This device features a freely opening and closing movable top cover, which is controlled by a hydraulic rod to facilitate loading and unloading through the top of the transport vehicle. The first sealing strip improves the sealing between the two movable top covers when closed, and the hydraulic rod also blocks the closure of the two movable top covers, effectively enhancing the sealing effect of the transport vehicle.

[0014] 2. The device uses a fixed frame to store and protect the hydraulic rod's oil pipes, preventing damage to the pipelines when loading goods. Furthermore, the second sealing strip improves the sealing between the transport vehicle and the movable top cover when the top cover is closed. Attached Figure Description

[0015] Figure 1 This is a perspective view of the present utility model;

[0016] Figure 2 For the present utility model Figure 1 Enlarged view at point A;

[0017] Figure 3 This is a sectional view of the transport vehicle box of this utility model.

[0018] [Explanation of Key Component Symbols]

[0019] 1. Transport vehicle body; 11. Refrigeration components; 12. First door; 13. Second door; 2. Movable top cover; 21. First sealing strip; 22. Second sealing strip; 23. Flow guide channel; 3. Hydraulic rod; 4. Fixing frame; 5. Barrier strip; 51. Third sealing strip. Detailed Implementation

[0020] This utility model provides an opening device for a shell transport vehicle.

[0021] Please see Figure 1 , Figure 2 and Figure 3 An open-top device for a shell transport vehicle includes a transport vehicle body 1 with two movable top covers 2 hinged to the top of the transport vehicle body 1. The transport vehicle body 1 is mounted on a frame and connected to a tractor unit. The top of the transport vehicle body 1 is opened by driving the two movable top covers 2 to flip. Loading and unloading can be easily carried out from the top of the transport vehicle body 1 using hoisting equipment.

[0022] Please refer to it again. Figure 1 and Figure 3The transport vehicle body 1 is equipped with an opening mechanism for driving the movable top cover 2 to open and close. The opening mechanism includes a hydraulic rod 3 installed on the inner wall of the transport vehicle body 1. The fixed end of the hydraulic rod 3 is hinged to the inner bottom wall of the transport vehicle body 1 by a pin, and the telescopic end of the hydraulic rod 3 is hinged to one side of the movable top cover 2 by a pin. The hydraulic station that drives the hydraulic rod 3 is installed at the bottom of the frame. The hydraulic station is a hydraulic source device or a hydraulic device including control valves, consisting of a hydraulic pump, a drive motor, an oil tank, a directional valve, a throttle valve, and an overflow valve. It supplies oil according to the flow direction, pressure, and flow rate required by the drive device. It is suitable for various machines where the drive device and the hydraulic station are separate. By connecting the hydraulic station and the hydraulic rod 3 with an oil pipe, the hydraulic system can realize various specified actions. By extending or retracting the telescopic end of the hydraulic rod 3, the movable top cover 2 is driven to flip open or close on the top of the transport vehicle body 1.

[0023] Please refer to it again. Figure 1 and Figure 3 The transport vehicle box 1 is fixedly connected to a fixed frame 4, which is located directly below the hydraulic rod 3. The oil pipe of the hydraulic rod 3 is located inside the fixed frame 4. The fixed frame 4 is used to store the oil pipe of the hydraulic rod 3 to prevent damage to the oil pipe of the hydraulic rod 3 during loading or unloading.

[0024] Please refer to it again. Figure 1 and Figure 3 The transport vehicle body 1 is fixedly connected to a refrigeration unit 11 at one end, and a first door 12 is hinged to the other end of the transport vehicle body 1. A second door 13 is hinged to both the front and back of the transport vehicle body 1. The refrigeration unit 11 is used to refrigerate the interior of the transport vehicle body 1, and the first door 12 and the second door 13 are used to facilitate opening the interior of the transport vehicle body 1.

[0025] Please refer to it again. Figure 1 , Figure 2 and Figure 3 Each of the two movable top covers 2 is fixedly connected to a first sealing strip 21 at its top, and a second sealing strip 22 is fixedly connected to one side of the movable top cover 2. When the two movable top covers 2 are closed, the gap between the movable top covers 2 is sealed by the two first sealing strips 21. The second sealing strip 22 is U-shaped, so that when the movable top covers 2 are closed, the movable top covers 2 press against the top of the transport vehicle box 1, and the gap between the transport vehicle box 1 and the movable top cover 2 is sealed by the second sealing strip 22.

[0026] Please refer to it again. Figure 1 , Figure 2 and Figure 3A shielding strip 5 is fixedly connected to the other side of a movable top cover 2. The shielding strip 5 is semi-cylindrical. A third sealing strip 51 is fixedly connected to one side of the shielding strip 5. The shielding strip 5 is used to shield the gap directly above the two movable top covers 2 and to guide the rainwater falling directly above the shielding strip 5. A guide groove 23 is opened on the other side of the movable top cover 2. One end of the guide groove 23 is open. The rainwater guided by the shielding strip 5 flows into the interior of the guide groove 23 and is finally discharged through the opening at one end of the guide groove 23. In the process of opening and closing the movable top cover 2, the movable top cover 2 without the shielding strip 5 is opened and closed first.

[0027] Working principle: The hydraulic rod 3 is activated to drive the movable top cover 2 to flip and open the top of the transport vehicle box 1, facilitating loading and unloading by hoisting equipment. The retraction end of the hydraulic rod 3 is controlled to pull the movable top cover 2 to close. The first sealing strip 21 is used to seal the gap between the two movable top covers 2. The shielding strip 5 is used to shield the gap between the two movable top covers 2. In rainy weather, the rainwater falling on the shielding strip 5 is guided to flow into the interior of the guide channel 23 and finally flows out through the opening at one end of the guide channel 23. The second sealing strip 22 is used to seal the gap between the transport vehicle box 1 and the movable top cover 2. The fixed frame 4 is used to store and protect the oil pipes connecting the hydraulic rod 3 and the hydraulic station.

[0028] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. An open-top device for a shell transport vehicle, comprising a transport vehicle box (1), characterized in that: The top of the transport box (1) is hinged with two movable top covers (2), the inside of the transport box (1) is provided with an open top mechanism for driving the movable top cover (2) to open and close, the open top mechanism comprises a hydraulic rod (3) installed on the inner wall of the transport box (1), the fixed end of the hydraulic rod (3) is hinged to the inner bottom wall of the transport box (1) through a pin shaft, the telescopic end of the hydraulic rod (3) is hinged to one side of the movable top cover (2) through a pin shaft, the top of the two movable top covers (2) is fixedly connected with a first sealing strip (21), and the other side of one movable top cover (2) is fixedly connected with a shielding strip (5).

2. A top opening device for a shell carrier according to claim 1, characterized in that: One end of the transport box (1) is fixedly connected with a refrigeration assembly (11), and the other end of the transport box (1) is hinged with a first box door (12).

3. A top opening device for a shell carrier according to claim 1, characterized in that: The front and back of the transport box (1) are hinged with a second box door (13), and one side of the movable top cover (2) is fixedly connected with a second sealing strip (22).

4. A top opening device for a shell carrier according to claim 1, characterized in that: The shielding strip (5) is in a semicylindrical shape, and one side of the shielding strip (5) is fixedly connected with a third sealing strip (51).

5. A top opening device for a shell carrier according to claim 1, characterized in that: The inside of the transport box (1) is fixedly connected with a fixed frame (4), the fixed frame (4) is arranged directly below the hydraulic rod (3), and the oil pipe of the hydraulic rod (3) is arranged in the fixed frame (4).

6. A top opening device for a shell carrier according to claim 1, characterized in that: The other side of the movable top cover (2) is provided with a flow guide groove (23), and one end of the flow guide groove (23) is in an open shape.

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