Aluminum ladder for loading and unloading goods on truck

Abstract

The aluminum ladder comprises an aluminum ladder body composed of a first side plate, a second side plate and transverse plates and an auxiliary supporting plate, the transverse plates are evenly distributed and fixedly installed between the first side plate and the second side plate, a hanging plate is fixedly installed at the upper end between the first side plate and the second side plate, and the auxiliary supporting plate is fixedly installed at the lower end between the first side plate and the second side plate. The bottom ends of the side plate I and the side plate II are provided with inclined surfaces; the inner side of the first side plate and the inner side of the second side plate are rotationally connected with one end of an auxiliary supporting plate, and the auxiliary supporting plate is located below the transverse plate. A positioner is elastically and slidably installed on one side of the second side plate and connected with the other end of the auxiliary supporting plate in a pluggable mode. By means of the overall arrangement, in the using process, the middle of the aluminum ladder can be supported through the auxiliary supporting plate, so that the whole aluminum ladder is in a shape like a Chinese character'ren ', and the whole aluminum ladder is safer and more reliable in the using process.

Description

Technical Field

[0001] The utility model relates to the field of truck accessories, and particularly relates to an aluminum ladder for loading and unloading goods of a truck. Background Art

[0002] The aluminum ladder for loading and unloading goods of a truck is a portable and high-strength auxiliary tool designed specifically for trucks, mainly used to help workers safely and efficiently carry goods between the truck and the ground. This aluminum ladder combines the advantages of aluminum alloy materials, such as light weight, high strength, corrosion resistance, etc., making it perform excellently in truck loading and unloading operations.

[0003] However, for the existing aluminum ladders for loading and unloading goods of trucks, during use, most of them are in contact with the vehicle at the head and in contact with the ground at the bottom, with the middle part in a suspended state. Due to the middle part of the aluminum ladder being in a suspended state, during the process of loading and unloading goods, it not only affects the overall stability and load-bearing capacity, but also is prone to potential safety hazards.

[0004] Therefore, it is very necessary to invent an aluminum ladder for loading and unloading goods of a truck. Content of the Utility Model

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model for providing an aluminum ladder for loading and unloading goods of a truck is as follows: An aluminum ladder for loading and unloading goods of a truck includes an aluminum ladder composed of a first side plate, a second side plate and a cross plate, and an auxiliary support plate, wherein: A plurality of cross plates are evenly and fixedly installed between the first side plate and the second side plate, and a hanging plate is fixedly installed at the upper end between the first side plate and the second side plate, and inclined surfaces are provided at the bottoms of the first side plate and the second side plate; One ends of the first side plate and the second side plate are respectively rotatably connected to one end of the auxiliary support plate, and the auxiliary support plate is located below the cross plate; A positioner is elastically and slidably installed on one side of the second side plate, and the positioner is inserted and connected to the other end of the auxiliary support plate.

[0006] Preferably, a limiting plate for restricting the opening and closing angle of the auxiliary support plate is fixedly installed between the inner sides of the first side plate and the second side plate, and the limiting plate is located below the cross plate; Axial holes are respectively provided on the inner sides of the first side plate and the second side plate; One end of the auxiliary support plate is rotatably connected to the corresponding axial hole.

[0007] Preferably, a through hole is provided through the lower part of the second side plate, and a notch is provided on the outer side of the lower part of the second side plate, and the notch communicates with the through hole; The positioner is elastically and slidably installed in the through hole and the notch.

[0008] Preferably, the positioner includes a plug rod, and a tension spring is sleeved on the plug rod; One end of the tension spring is located in the notch, and the end of the tension spring located in the notch is fixedly connected to the second side plate, and the other end of the tension spring is fixedly connected to the plug cap of the plug rod; The plug rod is slidably installed in the through hole and the notch, and one end of the plug rod is inserted into one end of the auxiliary support plate.

[0009] Preferably, two rotating shafts are fixedly installed on both sides of one end of the auxiliary support plate, and the rotating shafts are rotatably installed in corresponding shaft holes; a plurality of weight-reducing grooves are uniformly formed through the surface of the auxiliary support plate; a jack is formed on one side of the other end of the auxiliary support plate, and a plurality of anti-slip grooves are uniformly formed at one end of the auxiliary support plate close to the jack; one end of the insertion rod is detachably connected to the jack.

[0010] Compared with the prior art, the advantages of the present utility model are as follows:

[0011] With the overall setting of the present utility model, during use, the middle part of the aluminum ladder can be supported by the auxiliary support plate, making the whole in a V shape, so that the whole is safer and more reliable during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is a schematic structural diagram of the unfolded auxiliary support plate of the present utility model.

[0013] Figure 2 is a schematic structural diagram of the folded auxiliary support plate of the present utility model.

[0014] Figure 3 is an exploded structural diagram of the present utility model.

[0015] Figure 4 is a partial enlarged structural diagram at position A of the present utility model.

[0016] In the figure:

[0017] Side plate one 1, side plate two 2, cross plate 3, hanging plate 4, inclined surface 5, limiting plate 6, shaft hole 7, through hole 8, notch 9, insertion rod 10, tension spring 11, auxiliary support plate 12, rotating shaft 13, weight-reducing groove 14, jack 15, anti-slip groove 16. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] In order to enable those skilled in the art to better understand the solution of the present utility model, the technical solutions in the embodiments of the present utility model will be clearly and completely described below. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0019] In the description of the embodiments, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance. In the description of the utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0020] The following further describes the present utility model with reference to the drawings: Embodiment

[0021] Refer to Figures 1-4 , an aluminum ladder for loading and unloading goods of a freight truck, including an aluminum ladder composed of a first side plate 1, a second side plate 2 and a cross plate 3, and a secondary support plate 12, wherein: a plurality of cross plates 3 are evenly and fixedly installed between the first side plate 1 and the second side plate 2, and a hanging plate 4 is fixedly installed at the upper end between the first side plate 1 and the second side plate 2 for contacting the tail of the freight truck. An inclined surface 5 is provided at the bottom ends of the first side plate 1 and the second side plate 2 for contacting the ground; one ends of the first side plate 1 and the second side plate 2 are respectively rotatably connected to one end of the secondary support plate 12, and the secondary support plate 12 is located below the cross plate 3 to support the middle part of the aluminum ladder during use; a positioner is elastically and slidably installed on one side of the second side plate 2, and the positioner is inserted and connected to the other end of the secondary support plate 12 to fix the secondary support plate 12 during non-use.

[0022] A limiting plate 6 for restricting the opening and closing angle of the secondary support plate 12 is fixedly installed between the inner sides of the first side plate 1 and the second side plate 2 to restrict the opening and closing angle of the secondary support plate 12 during use, so that the secondary support plate 12 can only open and close to the set angle, and at the same time, the secondary support plate 12 can be supported to improve the strength and stability of the secondary support plate 12, and the limiting plate 6 is below the cross plate 3; shaft holes 7 are respectively provided on the inner sides of the first side plate 1 and the second side plate 2; one end of the secondary support plate 12 is rotatably connected to the corresponding shaft hole 7 to ensure the stability between the secondary support plate 12 and the first side plate 1 and the second side plate 2 and the smoothness of the rotation of the secondary support plate 12.

[0023] A through hole 8 is formed through the lower part of the second side plate 2 so that the locator can be inserted between the through hole 8 and the secondary support plate 12. A notch 9 is formed on the outer side of the lower part of the second side plate 2 to hide the locator when the tension spring 11 is in a contracted state, ensuring the flatness of the second side plate 2 and providing an operating space for the operator to pull the locator. The notch 9 communicates with the through hole 8. The locator is elastically and slidably installed in the through hole 8 and the notch 9.

[0024] The locator includes a plug rod 10, and a tension spring 11 is sleeved on the plug rod 10 to ensure the stability of the plug rod 10 in the through hole 8 and the notch 9 through the tension spring 11 and prevent the plug rod 10 from falling off from the through hole 8 and the notch 9. One end of the tension spring 11 is in the notch 9, and the end of the tension spring 11 in the notch 9 is fixedly connected to the second side plate 2. The other end of the tension spring 11 is fixedly connected to the plug cap of the plug rod 10. The plug rod 10 is slidably installed in the through hole 8 and the notch 9, and one end of the plug rod 10 is inserted into one end of the secondary support plate 12.

[0025] Two rotating shafts 13 are fixedly installed on both sides of one end of the secondary support plate 12 to ensure the stability between the secondary support plate 12 and the first side plate 1 and the second side plate 2 and the smoothness during the rotation of the secondary support plate 12. The rotating shafts 13 are rotatably installed in the corresponding shaft holes 7. A plurality of weight-reducing grooves 14 are uniformly formed through the surface of the secondary support plate 12. A jack 15 is formed on one side of the other end of the secondary support plate 12, and a plurality of anti-slip grooves 16 are uniformly formed at one end of the secondary support plate 12 near the jack 15 to increase the friction force during the contact with the ground. One end of the plug rod 10 is connected to the jack 15 in a plug-and-play manner.

[0026] It should be noted that after the secondary support plate 12 is folded, the secondary support plate 12 will be completely inside the first side plate 1 and the second side plate 2.

[0027] In this embodiment, during use, pull the plug rod 10 outwards to separate the plug rod 10 from the jack 15, and then the secondary support plate 12 can be rotated so that one side of the secondary support plate 12 abuts against the limiting plate 6, and finally it is in the state as shown in Figure 1 ; then place the hanging plate 4 at the tail of the freight car compartment and make the inclined surface 5 and the anti-slip grooves 16 contact the ground.

[0028] Any technical solution using the technical solution of the present invention, or a technical solution designed by those skilled in the art inspired by the technical solution of the present invention and achieving the above technical effects, shall fall within the protection scope of the present invention.

Claims

1. An aluminum ladder for loading and unloading goods of a freight truck, characterized in that: An aluminum ladder including a first side plate (1), a second side plate (2) and a cross plate, as well as a secondary support plate (12), wherein: A number of cross plates (3) are evenly and fixedly installed between the first side plate (1) and the second side plate (2), and a hanging plate (4) is fixedly installed at the upper end between the first side plate (1) and the second side plate (2), and inclined surfaces (5) are provided at the bottom ends of the first side plate (1) and the second side plate (2); The inner sides of the first side plate (1) and the second side plate (2) are respectively rotatably connected to one end of the secondary support plate (12), and the secondary support plate (12) is located below the cross plate (3); A positioner is elastically and slidably installed on one side of the second side plate (2), and the positioner is connected to the other end of the secondary support plate (12) by plugging and unplugging.

2. The aluminum ladder for loading and unloading goods of a freight truck according to claim 1, characterized in that: A limiting plate (6) for restricting the opening and closing angle of the secondary support plate (12) is fixedly installed between the inner sides of the first side plate (1) and the second side plate (2), and the limiting plate (6) is located below the cross plate (3); Axial holes (7) are respectively provided on the inner sides of the first side plate (1) and the second side plate (2); One end of the secondary support plate (12) is rotatably connected to the corresponding axial hole (7).

3. The aluminum ladder for loading and unloading goods of a freight truck according to claim 2, characterized in that: A through hole (8) is provided through the lower part of the second side plate (2), and a notch (9) is provided on the outer side below the second side plate (2), and the notch (9) communicates with the through hole (8); The positioner is elastically and slidably installed in the through hole (8) and the notch (9).

4. The aluminum ladder for truck loading and unloading according to claim 3, wherein: The positioner includes a plug rod (10), and a tension spring (11) is sleeved on the plug rod (10); One end of the tension spring (11) is located in the notch (9), and the end of the tension spring (11) located in the notch (9) is fixedly connected to the second side plate (2), and the other end of the tension spring (11) is fixedly connected to the plug cap of the plug rod (10); The plug rod (10) is slidably installed in the through hole (8) and the notch (9), and one end of the plug rod (10) is plugged into one end of the secondary support plate (12).

5. The aluminum ladder for loading and unloading goods of a freight truck according to claim 4, wherein: A rotating shaft (13) is fixedly installed on each side of one end of the secondary support plate (12), and the rotating shaft (13) is rotatably installed in the corresponding axial hole (7); A number of weight-reducing grooves (14) are evenly provided through the surface of the secondary support plate (12); A jack (15) is provided on one side of the other end of the secondary support plate (12), and a number of anti-slip grooves (16) are evenly provided at one end of the secondary support plate (12) close to the jack (15); One end of the plug rod (10) is connected to the jack (15) by plugging and unplugging.

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