Crane maintenance platform car

Abstract

The utility model discloses a crane maintenance platform truck, which belongs to the technical field of crane maintenance platforms and is characterized by comprising a machine body and a lifting platform, two hinges are arranged on the left side of the lifting platform, a safety door is arranged on the left side of the lifting platform, and a handle is fixedly connected to the left side of the safety door. Fixing blocks are fixedly connected to the opposite sides of the safety door and the lifting table, a fixing frame and a connecting column are fixed to the opposite sides of the two fixing blocks correspondingly, a safety mechanism is arranged on the surface of the connecting column, and a safety rope is arranged at the top of the lifting table; the safety mechanism comprises two fixing plates, six rotating balls and a safety frame, and the problem that in the lifting maintenance process of most existing crane maintenance platform trucks through a lifting table, workers fix safety ropes to the lifting table, then work maintenance is conducted, and the work efficiency is high is solved. However, a worker is easily limited by a safety rope when moving on the top of the lifting platform, so that the worker cannot conveniently carry out maintenance work.

Description

Technical Field

[0001] The utility model relates to the technical field of crane maintenance platforms, in particular to a crane maintenance platform vehicle. Background Art

[0002] Crane maintenance platform vehicle refers to a multi-action lifting machinery that can vertically lift and horizontally transport heavy objects within a certain range.

[0003] A Chinese patent with publication number CN209024162U discloses a crane maintenance platform vehicle, including a transport vehicle body, a wheel is provided at the bottom of the transport vehicle body, a storage box is provided on one side of the wheel, a first electric telescopic rod is provided inside the storage box, a block is provided at the output end of the first electric telescopic rod, a protective pad is provided at the connection between one side of the block and the wheel, a storage groove is provided inside the block, a positioning block is provided inside the storage groove, a second electric telescopic rod is provided between the positioning block and the inner wall of the storage groove, a hydraulic lifting platform is provided on the top of the transport vehicle body, a protective fence is provided on the top of the hydraulic lifting platform, a placement table is provided inside the protective fence, and a first placement groove is provided inside the placement table. This utility model is provided with a block, and the extension of the first electric telescopic rod is controlled by a control switch to drive the arc surface of the block to contact the wheel. The setting of the block can prevent the wheel from moving forward and backward due to accidents.

[0004] During the lifting and maintenance process of most existing crane maintenance platform vehicles through the lifting platform, the workers fix the safety rope to the lifting platform and then carry out maintenance work. However, the workers are easily restricted by the safety rope when moving on the top of the lifting platform, making it inconvenient for the workers to carry out maintenance work. Utility Model Content

[0005] The utility model provides a crane maintenance platform vehicle, aiming to solve the problem that in the process of most existing crane maintenance platform vehicles being lifted and lowered for maintenance by means of a lifting platform, workers fix a safety rope to the lifting platform and then carry out maintenance work, but the workers are easily restricted by the safety rope when moving on the top of the lifting platform, making it inconvenient for the workers to carry out maintenance work.

[0006] The utility model is implemented as follows: a crane maintenance platform vehicle comprises a machine body and a lifting platform, two hinges are arranged on the left side of the lifting platform, a safety door is arranged on the left side of the lifting platform, a handle is fixedly connected to the left side of the safety door, a fixing block is fixedly connected to the opposite side of the safety door and the lifting platform, a fixing frame and a connecting column are respectively fixed to the opposite sides of the two fixing blocks, a safety mechanism is arranged on the surface of the connecting column, and a safety rope is arranged on the top of the lifting platform;

[0007] The safety mechanism includes two fixed plates, six rotating balls and a safety frame, the left side of the fixed plate is fixedly connected to the left side of the inner wall of the safety frame, the surface of the rotating ball is rotationally connected to the inside of the fixed plate, and the inside of the safety frame is slidably connected to the surface of the connecting column.

[0008] In order to facilitate the movement of the safety frame, as a preferred crane maintenance platform vehicle of the utility model, a moving groove is opened on the left side of the safety frame, the interior of the moving groove is slidably connected to the surface of the fixed block, and the surface of the rotating ball is slidably connected to the surface of the connecting column.

[0009] In order to achieve the effect of fixing the safety rope, as a preferred crane maintenance platform vehicle of the utility model, a fixing column is provided on the right side of the safety frame, the surface of the fixing column is fixedly connected to a limiting sleeve, the surface of the limiting sleeve is connected to the internal thread of the safety frame, and the right side of the fixing column is fixedly connected to the left side of the safety rope.

[0010] In order to facilitate the movement of the safety rope, as a preferred crane maintenance platform vehicle of the utility model, a sphere is rotatably connected to the left side of the fixed column, and connecting grooves are provided on the opposite sides of the connecting column and the fixed frame, and the surface of the sphere is rotatably connected to the inside of the connecting groove.

[0011] In order to achieve the effect of driving the rotating block to move, as a preferred crane maintenance platform vehicle of the utility model, a handle is provided on the left side of the safety door, the surface of the handle is fixedly connected to the rotating block, and the right side of the rotating block extends to the interior of the safety door and is connected to the internal thread of the safety door.

[0012] In order to achieve the effect of connecting the fixing frame with the connecting column, as a preferred crane maintenance platform vehicle of the utility model, a connecting sleeve is provided inside the fixing frame, and the front side of the connecting sleeve extends to the inside of the connecting column and contacts with the inside of the connecting column.

[0013] In order to achieve the effect of fixing the connecting sleeve, as a preferred crane maintenance platform vehicle of the utility model, a fixing groove is opened on the surface of the connecting sleeve, the left side of the rotating block is rotatably connected with a connecting rod, and the right side of the connecting rod extends to the interior of the connecting column and is in close contact with the interior of the connecting groove.

[0014] In order to achieve the effect of fixing the connecting column, as a preferred crane maintenance platform vehicle of the utility model, the surface of the connecting column is slidably connected with a movable sleeve, and the front side of the movable sleeve extends to the surface of the fixing frame and is threadedly connected to the surface of the fixing frame.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The crane maintenance platform vehicle can conveniently drive the safety door to rotate on the left side of the lifting platform through the hinge by arranging the hinge on the left side of the lifting platform, so that the opposite sides of the fixed frame and the connecting column are respectively fixedly connected with the fixed blocks, so that the safety frame can be conveniently fixed and limited, and the surface of the rotating ball is rotatably connected with the inside of the fixed plate, so that the safety frame can be conveniently moved on the surface of the connecting column, so that the safety rope can be conveniently moved on the surface of the connecting column and the fixed frame through the safety frame, thereby facilitating the normal maintenance work of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is the overall structural diagram of the crane maintenance platform vehicle of the utility model;

[0018] Figure 2 It is a three-dimensional connection diagram of the fixed column and the safety rope in the utility model;

[0019] Figure 3 It is a three-dimensional connection schematic diagram of the safety mechanism in the utility model;

[0020] Figure 4 For this utility model Figure 1 A partial enlarged view of the middle A;

[0021] Figure 5 It is a three-dimensional connection schematic diagram of the connecting rod and the fixing groove in the utility model;

[0022] Figure 6 For this utility model Figure 1 A partial enlarged view of point B in the middle.

[0023] In the figure, 1, machine body; 2, lifting platform; 3, safety rope; 4, fixed frame; 5, fixed block; 6, handle; 7, hinge; 8, safety door; 9, safety mechanism; 901, fixed plate; 902, rotating ball; 903, safety frame; 10, moving groove; 11, ball; 12, limiting sleeve; 13, fixed column; 14, connecting sleeve; 15, connecting column; 16, rotating block; 17, handle; 18, connecting rod; 19, fixed groove; 20, moving sleeve; 21, connecting groove. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0025] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention 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, and therefore cannot be understood as a limitation on the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0026] See also Figure 1-6 The utility model provides a technical solution: a crane maintenance platform vehicle, comprising a body 1 and a lifting platform 2, two hinges 7 are arranged on the left side of the lifting platform 2, a safety door 8 is arranged on the left side of the lifting platform 2, a handle 6 is fixedly connected to the left side of the safety door 8, a fixing block 5 is fixedly connected to the opposite side of the safety door 8 and the lifting platform 2, a fixing frame 4 and a connecting column 15 are respectively fixed to the opposite sides of the two fixing blocks 5, a safety mechanism 9 is arranged on the surface of the connecting column 15, and a safety rope 3 is arranged on the top of the lifting platform 2;

[0027] The safety mechanism 9 includes two fixed plates 901, six rotating balls 902 and a safety frame 903. The left side of the fixed plate 901 is fixedly connected to the left side of the inner wall of the safety frame 903, the surface of the rotating ball 902 is rotationally connected to the inside of the fixed plate 901, and the inside of the safety frame 903 is slidingly connected to the surface of the connecting column 15.

[0028] In this embodiment: by setting the hinge 7 on the left side of the lifting platform 2, the handle 6 can be conveniently driven to drive the safety door 8 to rotate on the left side of the lifting platform 2 through the hinge 7, so that the opposite sides of the fixed frame 4 and the connecting column 15 are respectively fixedly connected to the fixed block 5, so that the safety frame 903 can be conveniently fixed and limited, and the surface of the rotating ball 902 is rotatably connected to the inside of the fixed plate 901, so as to facilitate the movement of the safety frame 903 on the surface of the connecting column 15, so as to facilitate the movement of the safety rope 3 on the surface of the connecting column 15 and the fixed frame 4 through the safety frame 903, thereby facilitating the normal maintenance work of the staff.

[0029] As a technical optimization solution of the utility model, a movable groove 10 is opened on the left side of the safety frame 903, the interior of the movable groove 10 is slidably connected to the surface of the fixed block 5, and the surface of the rotating ball 902 is slidably connected to the surface of the connecting column 15.

[0030] In this embodiment, by making the interior of the movable groove 10 slidably connected with the surface of the fixed block 5 , the safety frame 903 can be conveniently moved by rotating the ball 902 , thereby achieving the effect of facilitating the movement of the safety frame 903 .

[0031] As a technical optimization solution of the utility model, a fixed column 13 is provided on the right side of the safety frame 903, and the surface of the fixed column 13 is fixedly connected to the limiting sleeve 12, the surface of the limiting sleeve 12 is connected to the internal thread of the safety frame 903, and the right side of the fixed column 13 is fixedly connected to the left side of the safety rope 3.

[0032] In this embodiment, by connecting the surface of the limiting sleeve 12 with the internal thread of the safety frame 903 , the safety frame 903 can fix the safety rope 3 through the limiting sleeve 12 , thereby achieving the effect of fixing the safety rope 3 .

[0033] As a technical optimization solution of the utility model, the left side of the fixing column 13 is rotatably connected with the ball 11, and the connecting column 15 and the opposite side of the fixing frame 4 are both provided with a connecting groove 21, and the surface of the ball 11 is rotatably connected to the inside of the connecting groove 21.

[0034] In this embodiment, by making the surface of the ball 11 rotatably connected to the inside of the connecting groove 21 , the safety rope 3 can be conveniently moved through the ball 11 , thereby achieving the effect of facilitating the movement of the safety rope 3 .

[0035] As a technical optimization solution of the utility model, a handle 17 is provided on the left side of the safety door 8, and a rotating block 16 is fixedly connected to the surface of the handle 17. The right side of the rotating block 16 extends to the interior of the safety door 8 and is connected to the internal thread of the safety door 8.

[0036] In this embodiment, by fixing the surface of the handle 17 with the inside of the rotating block 16 , the handle 17 can easily drive the rotating block 16 to move inside the safety door 8 , thereby achieving the effect of driving the rotating block 16 to move.

[0037] As a technical optimization solution of the present invention, a connecting sleeve 14 is provided inside the fixing frame 4 , and the front side of the connecting sleeve 14 extends to the inside of the connecting column 15 and contacts the inside of the connecting column 15 .

[0038] In this embodiment, by extending the front side of the connecting sleeve 14 to the inside of the connecting column 15 , the connecting sleeve 14 can connect the fixing frame 4 and the connecting column 15 , thereby achieving the effect of connecting the fixing frame 4 and the connecting column 15 .

[0039] As a technical optimization solution of the utility model, a fixing groove 19 is opened on the surface of the connecting sleeve 14, and the left side of the rotating block 16 is rotatably connected to the connecting rod 18, and the right side of the connecting rod 18 extends to the inside of the connecting column 15 and is in close contact with the inside of the connecting groove 21.

[0040] In this embodiment, by making the surface of the connecting rod 18 contact the inner wall of the fixing groove 19 , the connecting rod 18 can fix the connecting sleeve 14 through the fixing groove 19 , thereby achieving the effect of fixing the connecting sleeve 14 .

[0041] As a technical optimization solution of the utility model, a movable sleeve 20 is slidably connected to the surface of the connecting column 15 , and the front side of the movable sleeve 20 extends to the surface of the fixing frame 4 and is threadedly connected to the surface of the fixing frame 4 .

[0042] In this embodiment, the connecting column 15 can be fixed by threading the inside of the movable sleeve 20 with the surface of the fixing frame 4, thereby achieving the effect of fixing the connecting column 15.

[0043] Working principle: First, the handle 6 drives the safety door 8 to rotate on the left side of the lifting platform 2 through the hinge 7, thereby driving the connecting column 15 to move the inside of the column fixing frame 4, so that the front side of the connecting sleeve 14 moves to the inside of the connecting column 15, and then the handle 17 is rotated to drive the rotating block 16 to move inside the safety door 8, thereby driving the connecting rod 18 to move to the inside of the connecting groove 21, so that the front side of the moving sleeve 20 extends to the surface of the fixing frame 4 and is threadedly connected with the surface of the fixing frame 4, so that the connecting column 15 and the fixing frame 4 can be fixedly connected, and then the fixing column 13 drives the ball 11 to move to the inside of the safety frame 903 through the limiting sleeve 12, so that the surface of the ball 11 The internal rotation connection with the connecting groove 21 makes the surface of the rotating ball 902 rotationally connected to the surface of the connecting column 15, so that the safety frame 903 can be conveniently moved on the surface of the connecting column 15, so that the safety rope 3 can be conveniently moved on the surface of the connecting column 15 and the fixed frame 4 through the safety frame 903, thereby facilitating the normal maintenance work of the staff, and solving the problem that in the process of most existing crane maintenance platform vehicles performing lifting and maintenance through the lifting platform 2, the staff fix the safety rope 3 to the lifting platform 2 and then perform maintenance operations, but the staff are easily restricted by the safety rope 3 when moving on the top of the lifting platform 2, making it inconvenient for the staff to perform maintenance work.

[0044] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A crane maintenance platform vehicle, comprising a body (1) and a lifting platform (2), characterized in that: The left side of the lifting platform (2) is provided with two hinges (7), the left side of the lifting platform (2) is provided with a safety door (8), the left side of the safety door (8) is fixedly connected with a handle (6), the opposite side of the safety door (8) and the lifting platform (2) are both fixedly connected with a fixing block (5), the opposite sides of the two fixing blocks (5) are respectively fixed with a fixing frame (4) and a connecting column (15), the surface of the connecting column (15) is provided with a safety mechanism (9), and the top of the lifting platform (2) is provided with a safety rope (3); The safety mechanism (9) comprises two fixed plates (901), six rotating balls (902) and a safety frame (903); the left side of the fixed plate (901) is fixedly connected to the left side of the inner wall of the safety frame (903); the surface of the rotating ball (902) is rotationally connected to the inside of the fixed plate (901); and the inside of the safety frame (903) is slidably connected to the surface of the connecting column (15).

2. A crane maintenance platform vehicle according to claim 1, characterized in that: A movable groove (10) is provided on the left side of the safety frame (903), the interior of the movable groove (10) is slidably connected to the surface of the fixed block (5), and the surface of the rotating ball (902) is slidably connected to the surface of the connecting column (15).

3. The crane maintenance platform vehicle according to claim 1, characterized in that: A fixing column (13) is provided on the right side of the safety frame (903); the surface of the fixing column (13) is fixedly connected to a limiting sleeve (12); the surface of the limiting sleeve (12) is connected to the internal thread of the safety frame (903); and the right side of the fixing column (13) is fixedly connected to the left side of the safety rope (3).

4. The crane maintenance platform vehicle according to claim 3, characterized in that: The left side of the fixing column (13) is rotatably connected to a sphere (11), and a connecting groove (21) is provided on the opposite side of the connecting column (15) and the fixing frame (4), and the surface of the sphere (11) is rotatably connected to the inside of the connecting groove (21).

5. The crane maintenance platform vehicle according to claim 1, characterized in that: A handle (17) is provided on the left side of the safety door (8), a rotating block (16) is fixedly connected to the surface of the handle (17), and the right side of the rotating block (16) extends to the interior of the safety door (8) and is threadedly connected to the interior of the safety door (8).

6. The crane maintenance platform vehicle according to claim 5, characterized in that: A connecting sleeve (14) is arranged inside the fixing frame (4), and the front side of the connecting sleeve (14) extends to the inside of the connecting column (15) and contacts the inside of the connecting column (15).

7. The crane maintenance platform vehicle according to claim 6, characterized in that: A fixing groove (19) is provided on the surface of the connecting sleeve (14); the left side of the rotating block (16) is rotatably connected to a connecting rod (18); the right side of the connecting rod (18) extends to the inside of the connecting column (15) and is in close contact with the inside of the connecting groove (21).

8. The crane maintenance platform vehicle according to claim 1, characterized in that: The surface of the connecting column (15) is slidably connected to a moving sleeve (20), and the front side of the moving sleeve (20) extends to the surface of the fixing frame (4) and is threadedly connected to the surface of the fixing frame (4).

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