Aerial work ladder truck

Abstract

The utility model relates to the technical field of railway construction, in particular to a high-altitude operation ladder truck which comprises a walking assembly, a supporting assembly installed on the walking assembly and an operation platform assembly installed on the supporting assembly. The walking assembly comprises a base assembly, a manual driving assembly and walking wheels, wherein the manual driving assembly is installed on the base assembly and used for driving the operation ladder truck to walk. The working platform assembly comprises a main platform assembly and a side platform assembly, and the side platform assembly is rotationally connected with the main platform assembly. According to the high-altitude operation ladder truck, the manual driving assembly is arranged, so that the ladder truck can walk through operation of one person, and compared with a traditional operation mode, the labor cost is saved, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of railway construction, in particular to a high-altitude operation ladder vehicle. Background Art

[0002] In the field of electrified railway construction technology, overhead contact network operation ladder vehicles are an essential and important tool in the construction process, and are widely used in overhead contact network electrification installation, removal and reconstruction construction. Ordinary overhead contact network operation ladder vehicles are composed of a base, a ladder and a ladder vehicle frame, and are usually welded with iron pipes or steel materials. Due to the heavy weight of the ladder vehicle, it requires multiple people to cooperate in pushing it each time it is used, which is time-consuming and labor-intensive, resulting in a waste of labor costs and affecting construction efficiency.

[0003] Based on the above, it is necessary to provide an aerial work ladder vehicle to solve the technical problems existing in the prior art. Utility Model Content

[0004] The utility model aims to provide a high-altitude work ladder vehicle to solve the technical problems existing in the prior art. The specific technical solution is as follows:

[0005] A high-altitude work ladder vehicle comprises a travel assembly, a support assembly mounted on the travel assembly, and a work platform assembly mounted on the support assembly; the travel assembly comprises a base assembly, a manual drive assembly mounted on the base assembly and a travel wheel for driving the work ladder vehicle to travel;

[0006] The working platform assembly comprises a main platform assembly and a side platform assembly, and the side platform assembly is rotatably connected to the main platform assembly.

[0007] Furthermore, the base assembly includes two fixing rods arranged in parallel, a first connecting shaft is connected between two first ends of the two fixing rods, and a second connecting shaft is connected between two second ends of the two fixing rods.

[0008] Furthermore, the manual drive assembly includes a main frame, a first end of the main frame is connected to a first connecting shaft, and a second end of the main frame is connected to a second connecting shaft; a drive structure is provided between the main frame and the second connecting shaft.

[0009] Furthermore, the main frame includes an operating rod, a support frame and a base frame, wherein the first end of the support frame is connected to the operating rod, and the second end is connected to the base frame; the base frame is connected to the second connecting shaft;

[0010] The first end of the operating rod is provided with a handle, and the second end is connected to the first connecting shaft;

[0011] The driving structure comprises a first sprocket and a second sprocket, wherein the first sprocket is arranged at the connection between the lower part of the second end of the support frame and the base frame, and the second sprocket is arranged on the second connecting shaft; a chain is connected between the first sprocket and the second sprocket;

[0012] The first sprocket is connected with a crank, and the crank is provided with a pedal.

[0013] Furthermore, a brake assembly is arranged between the operating rod and the first connecting shaft; the brake assembly includes a control assembly and a brake assembly, the control assembly is arranged at the first end of the operating rod, and the brake assembly is arranged at the second end of the operating rod; the control assembly and the brake assembly are connected by a brake line.

[0014] Furthermore, both ends of the first connecting shaft and both ends of the second connecting shaft are provided with running wheels.

[0015] Furthermore, the support assembly includes two sets of ladders arranged opposite to each other, the bottoms of the two sets of ladders are respectively connected to the first connecting shaft and the second connecting shaft, and the tops of the two sets of ladders are connected to the working platform assembly; a Z-shaped fixing rod is provided between the two sets of ladders.

[0016] Furthermore, the main platform assembly includes a plurality of first horizontal connecting rods, a plurality of second horizontal connecting rods and a plurality of vertical connecting rods; the plurality of first horizontal connecting rods, second horizontal connecting rods and vertical connecting rods are combined to form a square frame structure; a fixing rod is provided at the bottom of the square frame structure;

[0017] The side platform assembly includes a side platform, the fixed end of the side platform is connected to the second horizontal connecting rod through a connecting hinge; the movable end of the side platform is provided with a plurality of first hanging ears, the inner side of the first horizontal connecting rod is provided with a plurality of second hanging ears, and the first hanging ears are connected to the second hanging ears by an elastic connecting piece.

[0018] Furthermore, the connecting hinge includes two hinges, and the two hinges are connected by a torsion spring; a striker and a connecting chain are arranged between the two hinges.

[0019] Furthermore, the first horizontal connecting rod is provided with a fixing bolt for limiting the side platform.

[0020] The application of the technical solution of the utility model has the following beneficial effects:

[0021] (1) The utility model provides an aerial work ladder vehicle, comprising a travel assembly, a support assembly mounted on the travel assembly, and a work platform assembly mounted on the support assembly; the travel assembly comprises a base assembly, a manual drive assembly mounted on the base assembly for driving the work ladder vehicle to travel, and a travel wheel; the work platform assembly comprises a main platform assembly and a side platform assembly, and the side platform assembly is rotatably connected to the main platform assembly. By providing a manual drive assembly, the aerial work ladder vehicle of the utility model can be operated by one person to achieve the travel of the ladder vehicle, which saves labor costs and improves work efficiency compared to traditional operation methods.

[0022] (2) In the present invention, the working platform assembly includes a main platform assembly and a side platform assembly. The side platform assembly is rotatably connected to the main platform assembly. By providing the side platform assembly, the working area of ​​the operator is expanded and the operable range of the operator is increased.

[0023] (3) In the present invention, the support assembly includes two sets of ladders arranged opposite to each other, the bottoms of the two sets of ladders are respectively connected to the first connecting shaft and the second connecting shaft, and the tops of the two sets of ladders are connected to the working platform assembly; a Z-shaped fixing rod is provided between the two sets of ladders. The ladder structure is provided to facilitate the workers to reach the top of the working platform; a Z-shaped fixing rod is provided between the two sets of ladders to strengthen the connection between the ladders and make the support structure more stable.

[0024] (4) In the utility model, the movable end of the side platform is provided with a plurality of hooks 1, and the inner side of the first horizontal connecting rod is provided with a plurality of hooks 2. The hooks 1 and 2 are connected by an elastic connecting piece, and the side platform is expanded and closed by operating the elastic connecting piece.

[0025] (5) In the present invention, a striker and a connecting chain are provided between the two hinges to limit the opening angle of the connecting hinges.

[0026] (6) In the present invention, the first horizontal connecting rod is provided with a fixing bolt for limiting the position of the side platform, and the fixing bolt is used to limit whether the side platform is unfolded or not.

[0027] In addition to the above-described purposes, features and advantages, the present invention has other purposes, features and advantages. The present invention will be further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The accompanying drawings constituting a part of the present invention are used to provide a further understanding 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 on the present invention. In the accompanying drawings:

[0029] Figure 1It is a schematic diagram of the overall structure of the utility model of the high-altitude work ladder vehicle;

[0030] Figure 2 It is a structural schematic diagram of the walking assembly in the utility model;

[0031] Figure 3 Schematic diagram of the disassembled structure of the brake assembly of the utility model, wherein Figure (a) is a schematic diagram of the structure of the control assembly, Figure (b) is a side view of Figure (a), Figure (c) is a schematic diagram of the control assembly installed on the handle, and Figure (d) is a schematic diagram of the structure of the brake assembly;

[0032] Figure 4 It is a structural schematic diagram of the traveling wheel in the utility model;

[0033] Figure 5 It is a structural schematic diagram of the working platform assembly in the utility model;

[0034] Figure 6 It is a schematic diagram of the side platform superposition;

[0035] Figure 7 is a schematic diagram of the structure of the elastic connector;

[0036] Figure 8 1 is a schematic diagram of the structure of the connecting hinge, wherein FIG (a) is a schematic diagram of the structure of the connecting hinge without the connecting chain installed, FIG (b) is a schematic diagram of the ejector state when the connecting hinge is fully opened, FIG (c) is a schematic diagram of the structure of the connecting hinge with the connecting chain installed, and FIG (d) is a schematic diagram of the ejector state when the connecting hinge is fully closed;

[0037] Among them, 1. walking assembly, 1.1. base assembly, 1.1.1. fixed rod, 1.1.2. first connecting shaft, 1.1.3. second connecting shaft, 1.2. manual drive assembly, 1.2.1. main frame, 1.2.1.1. operating rod, 1.2.1.2. support frame, 1.2.1.3. bottom frame, 1.2.2. driving structure, 1.2.2.1. first sprocket, 1.2.2.2. second sprocket, 1.2.2.3. chain, 1.2.3. brake assembly, 1.2.3.1. control rod, 1.2.3.2. U-shaped outer frame, 1.2.3.3. brake pad, 1.2.34. fixed Plate, A, control assembly, B, brake assembly, 1.3, walking wheel, 2, support assembly, 2.1, ladder, 2.2, Z-shaped fixing rod, 3, working platform assembly, 3.1, main platform assembly, 3.1.1, first horizontal connecting rod, 3.1.2, second horizontal connecting rod, 3.1.3, vertical connecting rod, 3.1.4, fixing rod, 3.1.5, fixing bolt, 3.2, side platform assembly, 3.2.1, side platform, 3.2.2, hanging ear one, 3.2.3, hanging ear two, 3.3, connecting hinge, 3.3.1, hinge, 3.3.2, striker, 3.3.3, connecting chain, 3.4, elastic connector. DETAILED DESCRIPTION

[0038] The embodiments of the present invention are described in detail below with reference to the accompanying drawings. However, the present invention can be implemented in many different ways as defined and covered by the claims.

[0039] In the description of the present invention, it should be noted that the terms "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", "front", "back", "lateral", "longitudinal", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0040] In addition, the terms "first", "second", etc. are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, a feature defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "plurality" means two or more.

[0041] Example:

[0042] See also Figure 1This embodiment provides an aerial work ladder vehicle, comprising a walking assembly 1, a support assembly 2 mounted on the walking assembly 1, and a work platform assembly 3 mounted on the support assembly 2; the walking assembly 1 comprises a base assembly 1.1, a manual drive assembly 1.2 and a walking wheel 1.3 mounted on the base assembly 1.1 for driving the work ladder vehicle to travel;

[0043] The working platform assembly 3 comprises a main platform assembly 3.1 and a side platform assembly 3.2, and the side platform assembly 3.2 is rotatably connected to the main platform assembly 3.1.

[0044] By providing the manual drive assembly 1.2, the aerial work ladder vehicle of the utility model can be operated by one person to realize the movement of the ladder vehicle, which saves labor costs and improves work efficiency compared with the traditional operation method.

[0045] In this embodiment, see Figure 1 and Figure 2 The base assembly 1.1 includes two fixed rods 1.1.1 arranged in parallel, a first connecting shaft 1.1.2 is connected between the two first ends of the two fixed rods 1.1.1, and a second connecting shaft 1.1.3 is connected between the two second ends of the two fixed rods 1.1.1.

[0046] The manual drive assembly 1.2 includes a main frame 1.2.1, a drive structure 1.2.2 and a brake assembly 1.2.3;

[0047] The first end of the main frame 1.2.1 is connected to the first connecting shaft 1.1.2, and the second end of the main frame 1.2.1 is connected to the second connecting shaft 1.1.3; a driving structure 1.2.2 is arranged between the main frame 1.2.1 and the second connecting shaft 1.1.3.

[0048] The main frame 1.2.1 includes an operating rod 1.2.1.1, a support frame 1.2.1.2 and a base frame 1.2.1.3. The first end of the support frame 1.2.1.2 is connected to the operating rod 1.2.1.1, and the second end is connected to the base frame 1.2.1.3; the base frame 1.2.1.3 is connected to the second connecting shaft 1.1.3; a seat is also provided on the upper part of the support frame 1.2.1.2.

[0049] The operating rod 1.2.1.1 has a handle at the first end and is connected to the first connecting shaft 1.1.2 at the second end;

[0050] The driving structure 1.2.2 includes a first sprocket 1.2.2.1 and a second sprocket 1.2.2.2, the first sprocket 1.2.2.1 is arranged at the connection between the lower part of the second end of the support frame 1.2.1.2 and the base frame 1.2.1.3, and the second sprocket 1.2.2.2 is arranged on the second connecting shaft 1.1.3; a chain 1.2.2.3 is connected between the first sprocket 1.2.2.1 and the second sprocket 1.2.2.2; preferably, the diameter of the first sprocket 1.2.2.1 is larger than the diameter of the second sprocket 1.2.2.2.

[0051] The first sprocket 1.2.2.1 is connected with a crank, and the crank is provided with a pedal. When in use, an operator sits on the vehicle seat and drives the pedal to rotate with his foot, and through the transmission of the sprocket chain, the second connecting shaft 1.1.3 is driven to rotate, thereby driving the entire work ladder vehicle to move.

[0052] In this embodiment, see Figure 2 and Figure 3 A brake assembly 1.2.3 is arranged between the operating rod 1.2.1.1 and the first connecting shaft 1.1.2; the brake assembly 1.2.3 includes a control assembly A and a brake assembly B, the control assembly A is arranged at the first end of the operating rod 1.2.1.1, preferably, at the end of the handle, and the brake assembly B is arranged at the second end of the operating rod 1.2.1.1; the control assembly A and the brake assembly B are connected by a brake line.

[0053] See also Figure 3 In (a) to (d), specifically, the control component A includes a control rod 1.2.3.1 and a U-shaped outer frame 1.2.3.2, and springs are mounted on two vertical rods on the U-shaped outer frame 1.2.3.2; one end of the brake line is inserted into the U-shaped outer frame 1.2.3.2 and fixed on the control rod 1.2.3.1; the other end of the brake line is connected to the brake component B arranged at the second end of the operating rod 1.2.1.1; the brake line is tightened and loosened by manually pulling and releasing the control rod 1.2.3.1.

[0054] The brake assembly B includes a brake pad 1.2.3.3 and a fixed plate 1.2.3.4, wherein the fixed plate 1.2.3.4 is fixedly connected to the second end of the operating rod 1.2.1.1; a circular arc groove is provided at the free end of the fixed plate 1.2.3.4, and the size of the circular arc groove matches the outer diameter of the first connecting shaft 1.1.2; the circular arc groove on the fixed plate 1.2.3.4 is set with a gap with the first connecting shaft 1.1.2. The brake pad 1.2.3.3 is connected to the fixed plate 1.2.3.4 through a spring, and the brake pad is provided with the same circular arc groove as the fixed plate, and the circular arc groove on the brake pad is set with a gap with the first connecting shaft 1.1.2; connecting ears for connecting the brake line are provided on both sides of the brake pad 1.2.3.3, and by tightening the brake line, the spring is contracted, and the circular arc groove on the brake pad 1.2.3.3 contacts and rubs with the first connecting shaft 1.1.2 to complete the deceleration action.

[0055] See also Figure 1 and Figure 4 Both ends of the first connecting shaft 1.1.2 and the second connecting shaft 1.1.3 are provided with running wheels 1.3, and grooves are provided on the running wheels 1.3, which can be used on railway rails and paved roads at the same time. The running wheels 1.3 are fixed to both ends of the first connecting shaft 1.1.2 and the second connecting shaft 1.1.3 by locking pins.

[0056] See also Figure 1 In this embodiment, the support assembly 2 includes two sets of ladders 2.1 arranged opposite to each other, the bottoms of the two sets of ladders 2.1 are respectively connected to the first connecting shaft 1.1.2 and the second connecting shaft 1.1.3, and the tops of the two sets of ladders 2.1 are connected to the working platform assembly 3; a Z-shaped fixing rod 2.2 is provided between the two sets of ladders 2.1.

[0057] See also Figure 1 and Figure 5 The main platform assembly 3.1 includes multiple first horizontal connecting rods 3.1.1, multiple second horizontal connecting rods 3.1.2 and multiple vertical connecting rods 3.1.3; multiple first horizontal connecting rods 3.1.1, second horizontal connecting rods 3.1.2 and vertical connecting rods 3.1.3 are combined to form a square frame structure; the connection method between the first horizontal connecting rods 3.1.1, the second horizontal connecting rods 3.1.2 and the vertical connecting rods 3.1.3 can be riveted, bolted, or a combination of the two connection methods; a fixing rod 3.1.4 is provided at the bottom of the square frame structure, and the fixing rod 3.1.4 is connected to the second horizontal connecting rod 3.1.2 by bolts.

[0058] See also Figure 1 and Figure 5The side platform assembly 3.2 includes a plurality of side platforms 3.2.1, and the fixed end of the side platform 3.2.1 is connected to the second horizontal connecting rod 3.1.2 through a connecting hinge 3.3; the movable end of the side platform 3.2.1 is provided with a plurality of hanging ears 3.2.2, and the inner side of the first horizontal connecting rod 3.1.1 is provided with a plurality of hanging ears 3.2.3, and the hanging ears 1 3.2.2 and the hanging ears 2 3.2.3 are connected by an elastic connecting piece 3.4; in this embodiment, each of the side platforms 3.2.1 is provided with two hanging ears 1 3.2.2, and each of the first horizontal connecting rods 3.1.1 is provided with four hanging ears 2 3.2.3; see Figure 7 The elastic connector 3.4 includes an elastic rope and connecting buckles connected to both ends of the elastic rope, one of which is buckled on the first hook 3.2.2, and the other is buckled on the second hook 3.2.3. The side platform 3.2.1 can be opened and closed by adjusting the connection between the connecting buckle and the second hook 3.2.3 at different positions.

[0059] Preferably, in this embodiment, the side platforms 3.2.1 are provided with 4, wherein Figure 5 and Figure 6 The side platforms 3.2.1 located on the left and right sides of the square frame can be overlapped inwardly on the fixing rods 3.1.4 to form a platform for placing working tools.

[0060] See also Figure 8 In (a) to (d), the connecting hinge 3.3 includes two hinges 3.3.1, and the two hinges 3.3.1 are connected by a torsion spring; a striker 3.3.2 and a connecting chain 3.3.3 are arranged between the two hinges 3.3.1, and the striker 3.3.2 limits the opening angle of the connecting hinge to 0°-180°, and the connecting chain 3.3.3 limits the opening angle of the connecting hinge to 0°-180° or 0°-90°.

[0061] More preferably, see Figure 5 The first horizontal connecting rod 3.1.1 is also provided with a fixing bolt 3.1.5 for limiting the side platform 3.2.1, so as to limit the expansion or closing of the side platform 3.2.1.

[0062] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A high-altitude work ladder vehicle, characterized in that: The invention comprises a walking assembly (1), a supporting assembly (2) mounted on the walking assembly (1), and an operating platform assembly (3) mounted on the supporting assembly (2); the walking assembly (1) comprises a base assembly (1.1), a manual driving assembly (1.2) mounted on the base assembly (1.1) and used for driving the operating ladder vehicle to move, and a traveling wheel (1.3); The working platform assembly (3) comprises a main platform assembly (3.1) and a side platform assembly (3.2), and the side platform assembly (3.2) is rotatably connected to the main platform assembly (3.1).

2. The aerial work ladder vehicle according to claim 1, characterized in that: The base assembly (1.1) comprises two fixed rods (1.1.1) arranged in parallel, a first connecting shaft (1.1.2) being connected between two first ends of the two fixed rods (1.1.1), and a second connecting shaft (1.1.3) being connected between two second ends of the two fixed rods (1.1.1).

3. The aerial work ladder vehicle according to claim 2, characterized in that: The manual drive assembly (1.2) comprises a main frame (1.2.1), a first end of the main frame (1.2.1) being connected to a first connecting shaft (1.1.2), and a second end of the main frame (1.2.1) being connected to a second connecting shaft (1.1.3); and a drive structure (1.2.2) being arranged between the main frame (1.2.1) and the second connecting shaft (1.1.3).

4. The aerial work ladder vehicle according to claim 3, characterized in that: The main frame (1.2.1) comprises an operating rod (1.2.1.1), a support frame (1.2.1.2) and a base frame (1.2.1.3); the first end of the support frame (1.2.1.2) is connected to the operating rod (1.2.1.1), and the second end is connected to the base frame (1.2.1.3); the base frame (1.2.1.3) is connected to the second connecting shaft (1.1.3); The operating rod (1.2.1.1) has a handle at the first end and a first connecting shaft (1.1.2) at the second end; The driving structure (1.2.2) comprises a first sprocket (1.2.2.1) and a second sprocket (1.2.2.2); the first sprocket (1.2.2.1) is arranged at the connection between the lower part of the second end of the support frame (1.2.1.2) and the base frame (1.2.1.3); the second sprocket (1.2.2.2) is arranged on the second connecting shaft (1.1.3); a chain (1.2.2.3) is connected between the first sprocket (1.2.2.1) and the second sprocket (1.2.2.2); The first sprocket (1.2.2.1) is connected to a crank, and a pedal is provided on the crank.

5. The aerial work ladder vehicle according to claim 4, characterized in that: A brake assembly (1.2.3) is arranged between the operating rod (1.2.1.1) and the first connecting shaft (1.1.2); the brake assembly (1.2.3) comprises a control assembly and a brake assembly, the control assembly is arranged at the first end of the operating rod (1.2.1.1), and the brake assembly is arranged at the second end of the operating rod (1.2.1.1); the control assembly and the brake assembly are connected via a brake line.

6. The aerial work ladder vehicle according to claim 2, characterized in that: Both ends of the first connecting shaft (1.1.2) and both ends of the second connecting shaft (1.1.3) are provided with running wheels (1.3).

7. The aerial work ladder vehicle according to claim 2, characterized in that: The support assembly (2) comprises two sets of ladders (2.1) arranged opposite to each other, the bottoms of the two sets of ladders (2.1) being respectively connected to a first connecting shaft (1.1.2) and a second connecting shaft (1.1.3), and the tops of the two sets of ladders (2.1) being connected to a working platform assembly (3); a Z-shaped fixing rod (2.2) is provided between the two sets of ladders (2.1).

8. The aerial work ladder vehicle according to any one of claims 1 to 7, characterized in that: The main platform assembly (3.1) comprises a plurality of first horizontal connecting rods (3.1.1), a plurality of second horizontal connecting rods (3.1.2) and a plurality of vertical connecting rods (3.1.3); the plurality of first horizontal connecting rods (3.1.1), second horizontal connecting rods (3.1.2) and vertical connecting rods (3.1.3) are combined to form a square frame structure; a fixing rod (3.1.4) is provided at the bottom of the square frame structure; The side platform assembly (3.2) comprises a plurality of side platforms (3.2.1); the fixed end of the side platform (3.2.1) is connected to the second horizontal connecting rod (3.1.2) via a connecting hinge (3.3); the movable end of the side platform (3.2.1) is provided with a plurality of first hanging ears (3.2.2); the inner side of the first horizontal connecting rod (3.1.1) is provided with a plurality of second hanging ears (3.2.3); the first hanging ears (3.2.2) and the second hanging ears (3.2.3) are connected via an elastic connecting piece (3.4).

9. The aerial work ladder vehicle according to claim 8, characterized in that: The connecting hinge (3.3) comprises two hinges (3.3.1), and the two hinges (3.3.1) are connected via a torsion spring; a striker (3.3.2) and a connecting chain (3.3.3) are arranged between the two hinges (3.3.1).

10. The aerial work ladder vehicle according to claim 8, characterized in that: The first horizontal connecting rod (3.1.1) is provided with a fixing bolt (3.1.5) for limiting the position of the side platform (3.2.1).

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