Tool box for overhead line system ladder truck

Abstract

The utility model discloses a tool box for a contact network ladder truck, and belongs to the technical field of railway contact network high-altitude operation equipment. The toolbox for the overhead line system ladder truck comprises a toolbox body, a U-shaped connecting piece and a limiting plate, a second assembly and a third assembly of the U-shaped connecting piece are perpendicularly connected with a back plate extension plate and the limiting plate of the toolbox body respectively to form a clamping structure with a U-shaped opening and double-end fixing, the opening direction faces the back of the extension plate, and the limiting plate is arranged on the back of the U-shaped connecting piece. Therefore, the tool box body can be directly clamped on a right-angle steel angle structure of a catenary ladder truck frame. By means of the design that the length of the second assembly is larger than that of the third assembly and the constraint that the gap between the limiting plate and the extension plate is smaller than the horizontal plane of the frame, position fixing of the tool box body and the overhead line system ladder truck frame is achieved, and therefore the anti-shaking capacity is improved, and the safety of high-altitude operation is fundamentally improved.

Description

Technical Field

[0001] This utility model relates to the technical field of railway overhead contact line high-altitude operation equipment, specifically to a toolbox for overhead contact line ladder vehicles. Background Technology

[0002] In the maintenance and repair of overhead contact lines on conventional railways, the LGT-555 overhead contact line ladder car is a commonly used aerial work platform. It mainly consists of the ladder car's frame, ladder, support rods, and base. (See attached image.) Figure 2 The frame of the overhead contact line ladder car is typically constructed from right-angled steel. According to Article 47 of the "Safety Working Rules for Overhead Contact Lines of Conventional Railways," no more than two workers are allowed on the workbench when using the ladder car, and all parts and tools must not be placed on the workbench surface. Currently, workers must pack tools and materials into canvas tool bags and then hang the bags in designated positions on the frame of the overhead contact line ladder car using hooks.

[0003] However, the current operating method has the following drawbacks: relying on simple hooks and canvas tool bags results in a single point of force on the hooks, making the tool bags prone to falling off due to uneven weight distribution of tools, hook aging, or collisions during operation. Falling tools and materials from heights could cause injury or death to personnel on the ground, damage to equipment, or malfunctions in the overhead contact system, posing a significant safety risk. Furthermore, the suspended tool bags are prone to scraping against the overhead contact system equipment as they move with the ladder truck, further increasing the uncertainty during the operation.

[0004] Therefore, how to design a safe and reliable tool storage device that is compatible with the frame structure of the overhead contact line ladder truck has become a technical problem that urgently needs to be solved by those skilled in the art. Summary of the Invention

[0005] The purpose of this utility model is to provide a toolbox for overhead contact line ladder trucks, so as to overcome the problem that the tools of overhead contact line ladder trucks are not safe to store because they are simply suspended by hooks.

[0006] The present invention solves the above-mentioned technical problems through the following technical solution:

[0007] A toolbox for a catenary ladder truck includes a toolbox body, a U-shaped connector, and a limiting plate. The back plate of the toolbox body has a vertically upward extension plate. The U-shaped connector includes a first component parallel to the extension plate and a second component and a third component extending horizontally at the upper and lower ends of the first component, respectively. The opening of the U-shaped connector faces the back of the extension plate. The opening end of the second component is detachably vertically connected to the extension plate. The opening end of the third component is detachably vertically connected to the limiting plate.

[0008] The second component is longer than the third component, and the gap between the limiting plate and the extension plate is smaller than the horizontal plane of the frame of the overhead contact line elevator car to be installed.

[0009] A further improvement of this utility model is that it also includes a first connecting hole, a second connecting hole, and a bolt, wherein the first connecting hole and the second connecting hole are respectively provided at corresponding positions on the lower part of the limiting plate and the extension plate;

[0010] During installation, the limiting plate and the extension plate are fixedly connected by bolts.

[0011] A further improvement of this utility model is that the open end of the second component is vertically connected to the extension plate via a hinge.

[0012] A further improvement of this utility model is that the opening end of the third component is vertically connected to the limiting plate via a hinge.

[0013] A further improvement of this utility model is that the length of the toolbox body is at least 70cm.

[0014] A further improvement of this utility model is that the structure of the toolbox body is a cuboid or a cube.

[0015] A further improvement of this utility model is that when the structure of the toolbox body is a cuboid, the dimensions of the toolbox body are 70cm×25cm×45cm.

[0016] A further improvement of this utility model is that when the structure of the toolbox body is a cube, the dimensions of the toolbox body are 70cm×70cm×70cm.

[0017] A further improvement of this utility model is that the toolbox body, the U-shaped connector and the limiting plate are made of aluminum alloy, low alloy steel or carbon steel.

[0018] A further improvement of this utility model is that there are two first connecting holes and two second connecting holes.

[0019] Compared with the prior art, the positive and progressive effects of this utility model are as follows:

[0020] This utility model provides a toolbox for a catenary ladder truck, comprising a toolbox body, a U-shaped connector, and a limiting plate. The second and third components of the U-shaped connector are perpendicularly connected to the extension plate of the back panel of the toolbox body and the limiting plate, respectively, forming a clamping structure of "U-shaped opening + double-end fixing". The opening faces the back of the extension plate, allowing the toolbox body to be directly engaged with the right-angle steel structure of the catenary ladder truck frame. By designing the second component to be longer than the third component, and combining this with the constraint that the gap between the limiting plate and the extension plate is less than the horizontal plane of the frame, the toolbox body is fixed in position to the catenary ladder truck frame, thereby improving its anti-sway capability and fundamentally enhancing the safety of high-altitude operations.

[0021] Furthermore, by fixing the limiting plate and the extension plate with bolts, a closed support area is formed for the contact network ladder car frame, preventing the toolbox body from sliding off during movement, ensuring the stability of the toolbox body in complex operating environments, and completely solving the safety hazard of the hook easily falling off under single-point force. Attached Figure Description

[0022] The accompanying drawings are provided to further illustrate the present invention and constitute a part of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention.

[0023] Figure 1 This utility model is a

[0024] Figure 2 A schematic diagram of its structure;

[0025] Figure 3 This is an installation diagram of one embodiment of the present utility model;

[0026] Among them, 1 is the toolbox body; 2 is the U-shaped connector; 2-1 is the first component; 2-2 is the second component; 2-3 is the third component; 3 is the limiting plate; 4 is the extension plate; 5 is the frame of the contact wire ladder truck to be installed; 6 is the bolt; 7 is the first connecting hole; and 8 is the second connecting hole. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can typically be arranged and designed in various different configurations.

[0028] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0029] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0030] In the description of the embodiments of this utility model, it should be noted that if terms such as "upper," "lower," "horizontal," or "inner" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the utility model product is in use, they are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the utility model. Furthermore, terms such as "first" and "second" are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0031] Furthermore, the use of the term "horizontal" does not imply that the component must be absolutely horizontal, but rather that it can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal than "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0032] In the description of the embodiments of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0033] The present invention will be further described in detail below with reference to the accompanying drawings. The description is intended to explain the present invention and not to limit it.

[0034] See Figure 1A toolbox for a catenary ladder truck includes a toolbox body 1, a U-shaped connector 2, and a limiting plate 3. The back plate of the toolbox body 1 is provided with a vertically upward extension plate 4. The U-shaped connector 2 includes a first component 2-1 parallel to the extension plate 4, and a second component 2-2 and a third component 2-3 extending horizontally at the upper and lower ends of the first component 2-1, respectively. The opening of the U-shaped connector 2 faces the back of the extension plate 4. The opening end of the second component 2-2 is detachably vertically connected to the extension plate 4; the opening end of the third component 2-3 is detachably vertically connected to the limiting plate 3.

[0035] Among them, the length of the second component 2-2 is greater than that of the third component 2-3, and the gap formed by the limiting plate 3 and the extension plate 4 is smaller than the horizontal plane of the frame 5 of the contact wire ladder car to be installed.

[0036] The system includes a toolbox body, a U-shaped connector, and a limiting plate. The second and third components of the U-shaped connector are perpendicularly connected to the extension plate of the toolbox body's back panel and the limiting plate, respectively, forming a "U-shaped opening + double-end fixing" clamping structure. The opening faces the back of the extension plate, allowing the toolbox body to be directly engaged with the right-angle steel structure of the overhead contact line ladder truck frame. By designing the second component to be longer than the third component, and combining this with the constraint that the gap between the limiting plate and the extension plate is less than the horizontal plane of the frame, the toolbox body is effectively fixed to the overhead contact line ladder truck frame, thereby improving its anti-sway capability and fundamentally enhancing the safety of high-altitude operations.

[0037] Specifically, it also includes a first connecting hole 7, a second connecting hole 8, and a bolt 6. The first connecting hole 7 and the second connecting hole 8 are respectively located at corresponding positions on the lower part of the limiting plate 3 and the extension plate 4.

[0038] During installation, the limiting plate 3 and the extension plate 4 are fixedly connected by bolts 6.

[0039] By fixing the limiting plate and the extension plate with bolts, a closed support area is formed for the catenary ladder car frame, preventing the toolbox body from sliding off during movement, ensuring the stability of the toolbox body in complex operating environments, and completely solving the safety hazard of the hook easily falling off under single-point force.

[0040] Specifically, the open end of the second component 2-2 is vertically connected to the extension plate 4 via a hinge.

[0041] Specifically, the open end of the third component 2-3 is vertically connected to the limiting plate 3 via a hinge.

[0042] Specifically, the toolbox body 1 has a length of at least 70cm.

[0043] Specifically, the toolbox body 1 has a cuboid or cube structure.

[0044] Specifically, when the toolbox body 1 has a cuboid structure, its dimensions are 70cm × 25cm × 45cm.

[0045] Specifically, when the structure of the toolbox body 1 is a cube, the dimensions of the toolbox body 1 are 70cm×70cm×70cm.

[0046] Specifically, the toolbox body 1, the U-shaped connector 2, and the limiting plate 3 are made of one of the following materials: aluminum alloy, low alloy steel, or carbon steel.

[0047] Specifically, there are two first connecting holes 7 and two second connecting holes 8.

[0048] Example 1

[0049] A toolbox for a catenary ladder truck includes a toolbox body 1, a U-shaped connector 2, and a limiting plate 3. The back plate of the toolbox body 1 is provided with a vertically upward extension plate 4. The U-shaped connector 2 includes a first component 2-1 parallel to the extension plate 4, and a second component 2-2 and a third component 2-3 extending horizontally at the upper and lower ends of the first component 2-1, respectively. The opening of the U-shaped connector 2 faces the back of the extension plate 4. The opening end of the second component 2-2 is detachably vertically connected to the extension plate 4; the opening end of the third component 2-3 is detachably vertically connected to the limiting plate 3.

[0050] Among them, the length of the second component 2-2 is greater than that of the third component 2-3, and the gap formed by the limiting plate 3 and the extension plate 4 is smaller than the horizontal plane of the frame 5 of the contact wire ladder car to be installed.

[0051] The toolbox body 1 has a rectangular structure with external dimensions of 70cm long × 25cm wide × 45cm high. It is used to store torque wrenches, adjustable wrenches, 500mm spirit levels, inclinometers, vernier calipers, micrometers, and hammers. It is made of aluminum alloy with an oxidized surface, which has strong corrosion resistance and is suitable for outdoor high-altitude work environments.

[0052] The extension plate 4 is made of 1cm thick aluminum alloy plate, with an external dimension of 70cm long × 20cm high, and is integrally formed with the toolbox body 1. The lower part of the extension plate 4 is symmetrically provided with two second connecting holes of 10mm in diameter for fixing connection with the limiting plate 3. The limiting plate 3 is provided with two first connecting holes of 10mm in diameter 7 at the corresponding positions of the second connecting holes 8 of the extension plate 4 for fixing connection with the extension plate 4. The gap between the limiting plate 3 and the extension plate 4 is 2cm. The width of the horizontal plane of the frame 5 of the contact wire ladder truck to be installed is 4cm, the length of the second component 2-2 is 4.5cm, and the length of the first component 2-1 is 2.5cm.

[0053] See Figure 3During installation, place the frame 5 of the overhead contact line ladder truck horizontally on the third component 2-3. Connect the second component 2-2 to the extension plate 4 using hinges, then connect the third component 2-3 to the limiting plate 3 using hinges. Finally, secure the limiting plate 3 and the extension plate 4 with bolts 6 to complete the installation process. Disassembly is performed by reversing the installation process.

[0054] This solution achieves fixed positioning of the toolbox body and the overhead contact line ladder frame, thereby improving anti-sway capability and fundamentally enhancing the safety of high-altitude operations.

[0055] Finally, it should be noted that the embodiments listed above are merely one or more specific manifestations of the technical solution of this utility model. Their purpose is to clearly illustrate the concept, principle, and application of this utility model through specific examples, and is by no means intended to limit the scope of protection of this utility model to these specific embodiments. In fact, the true value of this utility model lies in its proposed technical ideas and innovations, rather than its manifestations or implementation methods.

[0056] For those skilled in the art, after thoroughly reading and understanding the technical solution of this utility model, they are fully capable of making various changes, modifications, or equivalent substitutions to the specific embodiments of the utility model based on their own professional knowledge and skills. These changes may include, but are not limited to: adjusting the range of technical parameters, optimizing the algorithm flow to improve efficiency, and replacing some technical components to achieve better compatibility or reduce costs. As long as these modified technical solutions substantially retain the technical features claimed by the original utility model, that is, they can still achieve the core functions and effects of this utility model, then these changes should be considered to fall within the scope of protection of the pending claims of this utility model.

[0057] Furthermore, with the continuous progress and development of technology, new technical means and methods are constantly emerging, which provides ample space for the further improvement and perfection of this utility model. Therefore, the scope of protection of this utility model should also include reasonable and foresightful improvements and extensions based on existing technology. As long as these improvements and extensions do not deviate from the basic principles and core concept of this utility model, they should be regarded as equivalents of this utility model and are equally protected by patent rights.

Claims

1. A toolbox for overhead contact line ladder trucks, characterized in that, The toolbox includes a toolbox body (1), a U-shaped connector (2), and a limiting plate (3). The toolbox body (1) has a vertically extending extension plate (4) on its back plate. The U-shaped connector (2) includes a first component (2-1) parallel to the extension plate (4) and a second component (2-2) and a third component (2-3) extending horizontally at the upper and lower ends of the first component (2-1), respectively. The opening of the U-shaped connector (2) faces the back of the extension plate (4). The opening end of the second component (2-2) is detachably vertically connected to the extension plate (4); the opening end of the third component (2-3) is detachably vertically connected to the limiting plate (3). Among them, the length of the second component (2-2) is greater than that of the third component (2-3), and the gap formed by the limiting plate (3) and the extension plate (4) is smaller than the horizontal plane of the frame (5) of the contact network ladder truck to be installed.

2. A tool box for an overhead line trolley according to claim 1, characterized in that It also includes a first connecting hole (7), a second connecting hole (8) and a bolt (6), with the first connecting hole (7) and the second connecting hole (8) respectively located at corresponding positions on the lower part of the limiting plate (3) and the extension plate (4); During installation, the limiting plate (3) and the extension plate (4) are fixedly connected by bolts (6).

3. A tool box for an overhead line trolley according to claim 1, characterized in that The open end of the second component (2-2) is vertically connected to the extension plate (4) via a hinge.

4. A tool box for an overhead line trolley according to claim 1, characterized in that The open end of the third component (2-3) is vertically connected to the limiting plate (3) via a hinge.

5. A toolbox for a catenary ladder truck according to claim 1, characterized in that, The toolbox body (1) is at least 70cm long.

6. A tool box for an overhead line trolley according to claim 5, characterized in that The toolbox body (1) has a cuboid or cube structure.

7. A tool box for an overhead contact line trolley according to claim 6, characterized in that, When the structure of the toolbox body (1) is a cuboid, the dimensions of the toolbox body (1) are 70cm×25cm×45cm.

8. A toolbox for a catenary ladder truck according to claim 6, characterized in that, When the structure of the toolbox body (1) is a cube, the dimensions of the toolbox body (1) are 70cm×70cm×70cm.

9. A toolbox for a catenary ladder truck according to claim 1, characterized in that, The toolbox body (1), U-shaped connector (2) and limiting plate (3) are made of aluminum alloy, low alloy steel or carbon steel.

10. A tool box for an overhead line trolley according to claim 1, characterized in that There are two first connecting holes (7) and two second connecting holes (8).

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