Portable coaxial steering cantilever crane device for loading and unloading ammonia bottle

Abstract

The utility model discloses a portable coaxial steering cantilever crane device for loading and unloading an ammonia bottle, which belongs to the technical field of hoisting, solves the problem that the liquid ammonia bottle cannot be effectively hoisted due to operation requirements and on-site conditions, and comprises a rotary drum and an upright post, first flanges are arranged at two ends of the rotary drum, and the side part of the rotary drum is respectively connected with a lazy arm and a lacing wire; the lazy arm is connected with one end of the lacing wire and is provided with a lifting ring; the rotary drum, the lazy arm and the lacing wire form a triangular structure; a second flange is arranged at the top end of the stand column, the rotary drum extends into the stand column, the second flange is rotationally connected with a first flange at the bottom of the rotary drum, a plurality of screw holes corresponding in position are formed in the first flange and the second flange respectively, and positioning pins are inserted into the screw holes. The liquid ammonia bottle loading and unloading device is simple in structure, high in operation efficiency, time-saving and labor-saving in liquid ammonia bottle loading and unloading, easy to operate and convenient to overhaul, solves the problem that the liquid ammonia bottle cannot be conveniently loaded, unloaded and hoisted due to special operation requirements and limited space on site, improves the safety of operators, and further improves the working efficiency.

Description

Technical Field

[0001] The utility model belongs to the technical field of lifting, and in particular relates to a convenient ammonia bottle loading and unloading coaxial steering cantilever crane device. Background Art

[0002] Since liquid ammonia is frequently used in water treatment systems and is strictly managed as a hazardous chemical, the regulations for replacing and loading and unloading liquid ammonia bottles prohibit the use of electromagnetic cranes and metal chains to prevent friction fires and explosions. Forklifts are also not allowed. The use of cranes is limited by on-site location and space, and the cost is high. The liquid ammonia bottles are large and heavy, so each loading and unloading of liquid ammonia is laborious and time-consuming, and there are major safety hazards. Therefore, a device that is convenient for on-site lifting of liquid ammonia bottles is needed to carry out operations efficiently. Utility Model Content

[0003] The utility model aims to provide a convenient ammonia bottle loading and unloading coaxial steering cantilever crane device to solve the problem that liquid ammonia bottles cannot be effectively lifted due to operation requirements and on-site conditions.

[0004] The technical solution of the utility model is: a convenient ammonia cylinder loading and unloading coaxial steering cantilever crane device, including a rotating drum and a column, first flanges are provided at both ends of the rotating drum, and the sides of the rotating drum are respectively connected with a lifting arm and a tie rod, the lifting arm and one end of the tie rod are connected and are provided with a lifting ring, and the rotating drum, the lifting arm and the tie rod form a triangular structure; a second flange is provided at the top of the column, the rotating drum extends into the column, the second flange is rotatably connected to the first flange at the bottom of the rotating drum, and a plurality of screw holes corresponding to positions are respectively provided on the first flange and the second flange, and positioning pins are inserted into the screw holes.

[0005] As a further improvement of the present invention, an inverted L-shaped bracket is provided on the side of the column, and a plurality of cross bars are provided between the vertical portion of the bracket and the column.

[0006] As a further improvement of the present invention, embedded parts are provided at the bottom of the column and the bracket.

[0007] As a further improvement of the present invention, a plurality of triangular supports are provided on the outer periphery of the bottom of the column, and the triangular supports are provided on the upper surface of the embedded part.

[0008] As a further improvement of the present invention, the angle α between the column and the boom is 115-125°.

[0009] As a further improvement of the present invention, a plurality of reinforcing ribs connected end to end are provided between the boom and the tie bars.

[0010] The beneficial effects of the utility model are as follows: the cantilever crane device is composed of a rotating drum, a column, and a boom, and a rotatable mechanism is composed of a first flange and a second flange. The rotation angle can reach 0-360° in all directions. After rotating to the target lifting position, the positioning pins are inserted into the corresponding screw holes between the two flanges to fix them. This can not only enhance the lifting strength of the device but also reduce the occupied space. It is convenient for operation and installation when the site is limited and there are special work requirements. After hanging a fall chain on the lifting ring at the front end of the boom and using it in conjunction with a lifting belt, liquid ammonia bottles can be loaded and unloaded.

[0011] The utility model discloses a simple structure, the material of low price is easy to obtain, and production cost is reduced; it is convenient to use, and operating efficiency is high; loading and unloading of liquid ammonia bottles is time-saving and labor-saving, and it is easy to operate and convenient to maintain, and solves the problem that liquid ammonia bottles cannot be conveniently loaded, unloaded and lifted due to special operation requirements and limited space on site, improves the safety of operators, is safe, convenient and fast, thereby improving work efficiency, reducing the labor intensity of employees, and solving the problem that restricts production; at the same time, it has a good use effect, reduces tool consumption and vehicle shift costs, and thus reduces unnecessary waste. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 This is a schematic diagram of the connection between the first flange and the second flange in the present invention.

[0014] In the figure: 1-rotating drum; 11-first flange; 12-lifting arm; 13-tensioning rod; 14-lifting ring; 15-reinforcement rib; 2-column; 21-second flange; 22-embedded part; 23-triangular support; 3-bracket; 31-cross bar; 4-screw hole; 5-locating pin. DETAILED DESCRIPTION

[0015] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0016] like Figure 1-Figure 2 As shown, a convenient coaxial steering cantilever crane device for loading and unloading ammonia cylinders includes a rotating drum 1 and a column 2. First flanges 11 are provided at both ends of the rotating drum 1. A lifting arm 12 and a tie rod 13 are respectively connected to the side of the rotating drum 1. The lifting arm 12 and the tie rod 13 are connected at one end and are provided with a lifting ring 14. The rotating drum 1, the lifting arm 12 and the tie rod 13 form a triangular structure; a second flange 21 is provided at the top of the column 2, and the rotating drum 1 extends into the column 2. The second flange 21 is rotatably connected to the first flange 11 at the bottom of the rotating drum 1, and a plurality of screw holes 4 corresponding to positions are respectively provided on the first flange 11 and the second flange 21, and a positioning pin 5 is inserted into the screw hole 4.

[0017] An inverted L-shaped bracket 3 is provided on the side of the column 2, and multiple cross bars 31 are provided between the vertical part of the bracket 3 and the column 2; embedded parts 22 are provided at the bottom of the column 2 and the bracket 3; multiple triangular supports 23 are provided on the outer periphery of the bottom of the column 2, and the triangular supports 23 are provided on the upper surface of the embedded parts 22.

[0018] The included angle α between the upright column 2 and the boom 12 is 115-125°; a plurality of reinforcing ribs 15 connected end to end are provided between the boom 12 and the tie bar 13 .

[0019] The triangular structure formed by the rotating drum 1, the boom 12 and the tie rod 13 improves the overall stability, firmness and pressure resistance during the lifting process. The first flange 11 and the second flange 21 are rotatably connected and fixed by the positioning pin 5 to achieve all-round coverage of the working surface; the column 2 and the inverted L-shaped bracket 3 form a combined force, which effectively enhances the stability. At the same time, a plurality of cross bars 31 are provided to hang working tools and realize the multiple use functions of the components. It is also convenient for personnel to climb through the cross bars 31 for maintenance or lubrication of rotating parts, and the use effect is diversified; the embedded parts 22 are provided to complete the overall fixation of the device, facilitate the installation of the column 2 and the bracket 3, and stabilize the force support point. It can also improve the overall stability and seismic performance of the device, reduce quality problems, reduce the cost of subsequent maintenance and modification, and have good durability, simple installation, high reliability, and reusability; the multiple triangular supports 23 provided enhance the stability of the column 2, making it more resistant to bending and tipping.

[0020] The boom 12 is made of square steel and is welded and installed at an angle of 115-125 degrees to the column 2. Angle steel is used as the reinforcing tie rod 13 to increase the lifting stress. The boom 12 is tilted at a certain angle to the column 2 to increase the stability during lifting operation and reduce the swing or tilt caused by other external factors, thereby ensuring the safety of the operation. At the same time, it can more effectively utilize the length and strength of the boom 12, cover a wider range of operations, improve work efficiency, and help adjust the position and direction of the hoisted objects to adapt to different operation requirements; multiple end-to-end reinforcing ribs 15 arranged between the boom 12 and the tie rod 13 form multiple triangular structures, which can effectively enhance the strength and rigidity of the triangular structure composed of the rotating drum 1, the boom 12 and the tie rod 13, save material usage, reduce weight, reduce costs, and overcome the twisting deformation caused by uneven stress during operation.

[0021] When in use, the embedded parts 22 are arranged on the ground at an appropriate position. The embedded parts 22 are in the shape of a plate of a certain thickness. The various parts are connected in sequence by welding or other means. After hanging a fall chain at the lifting ring 14 at the front end of the boom 12, the lifting belt can be used to load and unload the liquid ammonia bottle. After the first flange 11 and the second flange 21 are rotated to the target lifting position, the positioning pins 5 are inserted into the corresponding screw holes 4 between the two flanges to fix them, and then the liquid ammonia bottle can be disassembled.

Claims

1. A convenient coaxial steering cantilever crane device for loading and unloading ammonia cylinders, characterized by: The utility model comprises a rotating drum (1) and a column (2), wherein first flanges (11) are provided at both ends of the rotating drum (1), a suspension arm (12) and a tie rod (13) are connected to the side of the rotating drum (1), one end of the suspension arm (12) and the tie rod (13) are connected and provided with a suspension ring (14), and the rotating drum (1), the suspension arm (12) and the tie rod (13) form a triangular structure; a second flange (21) is provided at the top end of the column (2), the rotating drum (1) extends into the column (2), the second flange (21) is rotatably connected to the first flange (11) at the bottom of the rotating drum (1), and a plurality of screw holes (4) corresponding to positions are provided on the first flange (11) and the second flange (21), and a positioning pin (5) is inserted into the screw hole (4).

2. The portable coaxial steering cantilever crane device for loading and unloading ammonia cylinders according to claim 1 is characterized in that: An inverted L-shaped bracket (3) is provided on the side of the upright column (2), and a plurality of cross bars (31) are provided between the vertical portion of the bracket (3) and the upright column (2).

3. The portable coaxial steering cantilever crane device for loading and unloading ammonia cylinders according to claim 2 is characterized in that: Embedded parts (22) are provided at the bottom of the column (2) and the bracket (3).

4. The portable coaxial steering cantilever crane device for loading and unloading ammonia cylinders according to claim 3 is characterized by: A plurality of triangular supports (23) are provided on the outer periphery of the bottom of the column (2), and the triangular supports (23) are provided on the upper surface of the embedded part (22).

5. The portable coaxial steering cantilever crane device for loading and unloading ammonia cylinders according to claim 1 is characterized in that: The included angle α between the upright column (2) and the boom (12) is 115-125°.

6. The portable coaxial steering cantilever crane device for loading and unloading ammonia cylinders according to claim 5, characterized in that: A plurality of reinforcing ribs (15) connected end to end are provided between the boom (12) and the tie bars (13).

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