Crawling ladder for rear compartment of semitrailer

Abstract

The utility model discloses a semitrailer rear compartment crawling ladder, which belongs to the technical field of semitrailer rear compartment crawling ladders and is detachably mounted on a semitrailer rear compartment. Comprising a ladder assembly, an upper buckle plate is arranged at the top of the ladder assembly, and the upper buckle plate is connected with an upper fastening device; a support plate is arranged at the back of the ladder frame; and a lower buckle plate is arranged at the bottom of the ladder frame and is connected with a lower fastening device. The semi-trailer rear carriage climbing device is specially designed for semi-trailer rear carriage climbing, is convenient to disassemble and assemble, can climb after being hung in use, can be disassembled after being used, and is very convenient to use and high in safety coefficient.

Description

Technical Field

[0001] The utility model relates to the technical field of semi-trailer rear compartment ladders, and specifically relates to a semi-trailer rear compartment ladder. Background Art

[0002] A semi-trailer is a trailer with axles placed behind the vehicle's center of gravity (when the vehicle is evenly loaded) and equipped with a coupling device that can transfer horizontal and vertical forces to the tractor. Semi-trailers are generally three-axle semi-trailers, and their types include many types such as eleven-meter barn semi-trailers, thirteen-meter barns, and low-bed semi-trailers. It is a heavy transportation vehicle connected to the semi-trailer head through a kingpin.

[0003] Currently, the rear compartment of semi-trailers is relatively high, and it is difficult for workers to get on the vehicle when loading and unloading goods. They mostly step on the tires and the uneven surfaces of the rear compartment to get on the vehicle, which is not only very inconvenient but also very unsafe. Content of the Utility Model

[0004] In view of the above deficiencies of the prior art, the utility model provides a semi-trailer rear compartment ladder; this semi-trailer rear compartment ladder is specially designed for climbing the semi-trailer rear compartment. The scheme is convenient for disassembly and assembly. When in use, it can be climbed after being hooked up, and can be disassembled after use, which is very convenient to use and has a high safety factor.

[0005] In order to solve the above technical problems, a semi-trailer rear compartment ladder provided by the utility model can be detachably installed on the semi-trailer rear compartment; it includes a ladder frame, an upper buckle plate is arranged at the top of the ladder frame, and the upper buckle plate is connected with an upper fastening device; a support plate is arranged at the back of the ladder frame; a lower buckle plate is arranged at the bottom of the ladder frame, and the lower buckle plate is connected with a lower fastening device.

[0006] In a further improvement of the utility model, the top of the ladder head of the ladder frame protrudes above the top of the support plate, and the top of the ladder head of the ladder frame is connected with the upper buckle plate.

[0007] Through the above design, the installation of the upper buckle plate can be made more convenient in this scheme.

[0008] In a further improvement of the utility model, the upper buckle plate adopts an inverted L-shaped structure, and the length of the upper horizontal plate of the upper buckle plate is greater than the width of the support plate.

[0009] Through the above design, the buckling on the rear compartment can be made more convenient in this scheme.

[0010] In a further improvement of the utility model, one end of the upper buckle plate is connected with the top of the ladder head of the ladder frame, and the other end of the upper buckle plate is connected with the upper fastening device.

[0011] Through the above design, the installation of the upper fastening device can be made more convenient in this scheme.

[0012] In the further improvement of the present utility model, the lower clamping plate adopts a linear structure, and the length of the lower clamping plate is greater than the width of the support plate.

[0013] Through the above design, this solution can more conveniently extend the lower clamping plate into the bottom of the rear compartment and abut against the bottom of the rear compartment.

[0014] In the further improvement of the present utility model, one end of the lower clamping plate is connected to the bottom of the ladder frame, and the other end of the lower clamping plate is connected to the lower fastening device.

[0015] Through the above design, this solution can more conveniently install the lower fastening device.

[0016] In the further improvement of the present utility model, the upper fastening device and the lower fastening device adopt quick clamps.

[0017] Through the above design, this solution can be more easily implemented.

[0018] Compared with the prior art, the present utility model has the following beneficial effects:

[0019] The present utility model is specially designed for climbing the rear compartment of a semi-trailer. This solution is convenient for disassembly and assembly. When in use, it can be climbed after being connected, and can be disassembled after use, which is very convenient to use and has a high safety factor. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] To more clearly illustrate the background art or the technical solution of the present utility model, the attached drawings used in the prior art or the specific implementation manners are briefly introduced below; obviously, the structures, ratios, sizes, etc. shown in the drawings of the specification are only used to cooperate with the content disclosed in the specification for those familiar with this technology to understand and read, and are not used to limit the implementation conditions of the present utility model. Therefore, they do not have technical essential meanings. Any modification of the structure, change of the proportional relationship or adjustment of the size, without affecting the effects that the present utility model can produce and the purposes that can be achieved, should still fall within the scope covered by the technical content disclosed in the present utility model.

[0021] Figure 1 It is a schematic diagram of the structure from the first perspective of the specific implementation manner of the present utility model.

[0022] Figure 2 It is a schematic diagram of the structure from the second perspective of the specific implementation manner of the present utility model.

[0023] Figure 3 It is a reference schematic diagram of the usage state of the specific implementation manner of the present utility model.

[0024] As shown in the figure: 1. Ladder frame; 2. Upper clamping plate; 3. Upper fastening device; 4. Support plate; 5. Lower clamping plate; 6. Lower fastening device; 7. Rear compartment of semi-trailer. Detailed implementation mode

[0025] In order to enable those skilled in the art to better understand the technical solutions in the present utility model, the following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those skilled in the art without creative labor shall fall within the scope of protection of the present utility model.

[0026] At the same time, the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. cited in this specification indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying 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 cannot be understood as a limitation to the present utility model. The change or adjustment of its relative relationship, without substantial change in technical content, should also be regarded as the scope in which the present utility model can be implemented.

[0027] At the same time, in the description of this specification, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense. For example, it 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 components. 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 situations.

[0028] Currently, the rear compartment of a semi-trailer is relatively high, and it is difficult for workers to get on the vehicle when loading and unloading goods. Mostly, they step on the tires and the uneven surface of the rear compartment to get on the vehicle, which is not only very inconvenient but also very unsafe.

[0029] Therefore, the design concept of this application is to design a ladder that can assist workers in climbing and is easy to disassemble from the rear compartment without changing the structure of the rear compartment.

[0030] As Figures 1 - 3 shown, this application provides a ladder for the rear compartment of a semi-trailer, which can be detachably installed on the rear compartment 7 of the semi-trailer; it includes a ladder frame 1, an upper buckling plate 2 is arranged at the top of the ladder frame 1, and an upper fastening device 3 is connected to the upper buckling plate 2; a support plate 4 is arranged on the back of the ladder frame 1; a lower buckling plate 5 is arranged at the bottom of the ladder frame 1, and a lower fastening device 6 is connected to the lower buckling plate 5.

[0031] This application is applicable to semi-trailers with upper openings in the rear compartments, such as flatbed semi-trailers (suitable for installation at the front and rear of the rear compartment) and high-bed semi-trailers. When in use, the upper buckle plate 2 is hung on the rear compartment of the semi-trailer, and the lower buckle plate 5 extends into the bottom of the rear compartment. Then, the upper fastening device 3 and the lower fastening device 6 are toggled to tightly abut the upper buckle plate 2 against the upper part inside the rear compartment and the lower buckle plate 5 against the bottom of the rear compartment. After the safety check, the worker can climb and use it. After use, the upper fastening device 3 and the lower fastening device 6 are toggled to disassemble the ladder.

[0032] Among them, the top ladder head of the ladder frame 1 protrudes above the top of the support plate 4, and the top ladder head of the ladder frame 1 is connected to the upper buckle plate 2; when in use, a part of the top ladder head of the ladder frame 1 protrudes, which can facilitate better hanging.

[0033] Among them, the upper buckle plate 2 adopts an inverted L-shaped structure, and the length of the upper horizontal plate of the upper buckle plate 2 is greater than the width of the support plate 4; when in use, the upper horizontal plate of the upper buckle plate 2 can be spanned across the side wall of the rear compartment.

[0034] Among them, one end of the upper buckle plate 2 is connected to the top ladder head of the ladder frame 1, and the other end of the upper buckle plate 2 is connected to the upper fastening device 3, and the extending end of the upper fastening device 3 faces the ladder frame 1; the upper horizontal plate of the upper buckle plate 2 is connected to the top ladder head of the ladder frame 1, and the lower vertical plate of the upper buckle plate 2 is connected to the upper fastening device 3. After the upper buckle plate 2 is buckled on the top of the side wall of the rear compartment, the upper fastening device 3 is toggled, and the upper fastening device 3 can tightly abut against the inner wall of the rear compartment.

[0035] Among them, the lower buckle plate 5 adopts a straight-shaped structure, and the length of the lower buckle plate 5 is greater than the width of the support plate 4; when in use, the lower buckle plate 5 extends to the bottom of the rear compartment.

[0036] Among them, one end of the lower buckle plate 5 is connected to the bottom of the ladder frame 1, and the other end of the lower buckle plate 5 is connected to the lower fastening device 6, and the extending end of the lower fastening device 6 faces upward; the lower buckle plate 5 extends to the bottom of the rear compartment, and the lower fastening device 6 is toggled, and the lower fastening device 6 can tightly abut against the bottom of the rear compartment upward.

[0037] Among them, the upper fastening device 3 and the lower fastening device 6 adopt quick-action clamps; directly using existing quick-action clamps can more easily reduce the R & D cost and realize productization as soon as possible.

[0038] Although the present utility model has been described in detail by referring to the attached drawings and in combination with the preferred embodiments, the present utility model is not limited thereto. Without departing from the spirit and essence of the present utility model, those of ordinary skill in the art can make various equivalent modifications or substitutions to the embodiments of the present utility model, and all such modifications or substitutions should fall within the scope of the present utility model. / Any person familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the present utility model, and all should be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. A rear compartment ladder for a semi-trailer, characterized in that, It can be detachably installed on the rear compartment of a semi-trailer; it includes a ladder frame, a top buckling plate is arranged at the top of the ladder frame, and the top buckling plate is connected with a top fastening device; a support plate is arranged on the back of the ladder frame; a bottom buckling plate is arranged at the bottom of the ladder frame, and the bottom buckling plate is connected with a bottom fastening device.

2. The rear compartment ladder of the semi-trailer according to claim 1, wherein, The top ladder head of the ladder frame protrudes above the top of the support plate, and the top ladder head of the ladder frame is connected with the top buckling plate.

3. The rear compartment ladder of the semi-trailer according to claim 2, characterized in that, The top buckling plate adopts an inverted L-shaped structure, and the length of the upper horizontal plate of the top buckling plate is greater than the width of the support plate.

4. The rear compartment ladder of the semi-trailer according to claim 3, characterized in that, One end of the top buckling plate is connected with the top ladder head of the ladder frame, and the other end of the top buckling plate is connected with the top fastening device.

5. The rear compartment ladder of the semi-trailer according to claim 1, characterized in that, The bottom buckling plate adopts a straight-shaped structure, and the length of the bottom buckling plate is greater than the width of the support plate.

6. The rear compartment ladder of the semi-trailer according to claim 5, wherein, One end of the bottom buckling plate is connected with the bottom of the ladder frame, and the other end of the bottom buckling plate is connected with the bottom fastening device.

7. The rear compartment ladder of the semi-trailer according to claim 1, characterized in that, The top fastening device and the bottom fastening device adopt quick clamps.

Images