CN203095440U - Special lifting device for asphalt pavement maintenance truck in high-altitude low-temperature region - Google Patents

Abstract

The utility model discloses a special hoisting device for an asphalt pavement maintenance vehicle in a high-altitude and low-temperature area, wherein the column base at the lower end of the column is fixed on a fixed base plate, and the outer sleeve at the upper end of the column is vertically fixed with a beam, and the end of the beam far away from the column There is a fixed splint for fixing the steel wire rope. One end of the steel wire rope is fixed on the beam through the fixed splint, and the other end enters the column through the lifting hook, the first pulley, the second pulley and the third pulley in sequence, and passes through the inner sleeve, the fixed steel pipe, and the column The base, the fixed steel plate and the chassis of the maintenance vehicle are connected with the winch through the fourth pulley; the control handle of the winch is installed under the chassis of the maintenance vehicle rear. The utility model is convenient to use and maintain, flexible to move, safe and stable; the power of the winch comes directly from the generator set equipped with the maintenance vehicle, and the power source is sufficient; the lifting arm can rotate 360 degrees, the lifting range is larger, and the labor force is reduced to the greatest extent. The physical exertion of handling.

Description

A special hoisting device for asphalt pavement maintenance vehicles in high-altitude and low-temperature areas

technical field

The utility model belongs to the field of asphalt pavement maintenance, and relates to an asphalt pavement maintenance vehicle, in particular to a special hoisting device for an asphalt pavement maintenance vehicle in high-altitude and low-temperature areas.

Background technique

The asphalt pavement maintenance vehicle is a special equipment used for daily maintenance of the road surface. In order to facilitate the handling of some maintenance equipment during the maintenance process, it is necessary to design a lifting device on the maintenance vehicle. At present, most of the truck-mounted lifting systems in the market are Large-scale lifting systems are mostly powered by hydraulic pressure. These equipments are more convenient to use and more advanced, but the structure is complex and the cost is too high; small-scale truck-mounted lifting systems are mostly in the form of hydraulic cylinders driving the lifting arm, and the lifting radius is not large, so they are applied to maintenance vehicles. Security risks exist. The requirements of the maintenance vehicle for the on-board lifting device are: the lifting weight is not large, the device's own weight is small, it can be easily installed on the maintenance vehicle, the area occupied by the vehicle is small, the effective lifting radius is large, and the design cost is cheap, etc.; the current equipment on the market Not suitable for maintenance vehicle operation requirements.

Contents of the invention

In view of the deficiencies in the prior art, the purpose of this utility model is to provide a lifting device suitable for asphalt pavement maintenance vehicles in low-temperature and high-altitude areas, and the device is used to carry the maintenance equipment on the maintenance vehicle.

In order to realize above-mentioned task, the utility model adopts following technical scheme to realize:

A special hoisting device for an asphalt pavement maintenance vehicle in a high-altitude and low-temperature area, including a winch installed under the chassis of the maintenance vehicle, a fixed bottom plate installed on the chassis, a column, a beam, a wire rope and a lifting hook;

The column includes a column base, a fixed steel pipe, an outer sleeve and an inner sleeve, wherein the column base is fixed on the bottom end of the fixed steel pipe, the inner wall of the fixed steel pipe is fixed with an inner sleeve through a welding stopper, the top of the fixed steel pipe and Shaft shoulders are arranged between the inner sleeves, the outer sleeve is installed on the inner sleeve through bearings and can rotate around the inner sleeve, and a pressure bearing is installed between the outer sleeve and the shaft shoulders;

The base of the column at the lower end of the column is fixed on the fixed base plate, and the outer sleeve at the upper end of the column is vertically fixed with a crossbeam. The end of the beam away from the column is provided with a fixed splint for fixing the wire rope, and the end of the beam away from the column is provided with a first The pulley is provided with a second pulley on the top surface of the end of the beam away from the column, a third pulley with the same height as the second pulley is installed on the top surface of the column, and a fourth pulley is installed under the chassis of the maintenance vehicle under the column ; One end of the wire rope is fixed on the beam through the fixed splint, and the other end enters the column through the lifting hook, the first pulley, the second pulley and the third pulley in turn, and passes through the inner sleeve, the fixed steel pipe, the column base, the fixed steel plate and the maintenance vehicle. The chassis is connected with the winch through the fourth pulley; a lifting handle is installed under the chassis at the rear of the maintenance vehicle.

The utility model also has the following technical characteristics:

A reinforcing rib is provided between the column base and the fixed steel pipe, and a reinforcing rib is provided between the outer sleeve and the beam.

The cross-section of the beam is rectangular, and a night light is installed on the end of the beam close to the lifting hook.

The utility model is convenient to use and maintain, flexible to move, safe and stable; the electric hoist is used as the hoisting power, and the power of the hoist comes directly from the generator set equipped with the maintenance vehicle, and the power source is sufficient; the hoisting arm can rotate 360 degrees, and the hoisting range is wider. Large, to minimize the physical exertion of manual handling.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of the utility model.

Fig. 2 is a sectional view of the column.

The meanings of each label in the figure are: 1-chassis, 2-hoist, 3-fixed floor, 4-column, 5-beam, 6-wire rope, 7-lifting hook, 8-column base, 9-fixed steel pipe, 10- Outer sleeve, 11-Inner sleeve, 12-Pressure bearing, 13-Shaft shoulder, 14-Welded block, 15-Bearing, 16-Fixed splint, 17-First pulley, 18-Second pulley, 19-No. Three pulleys, 20-the fourth pulley, 21-lifting handle, 22-reinforcing rib, 23-night light.

Below in conjunction with accompanying drawing and embodiment the concrete content of the present utility model is described in further detail.

Detailed ways

The specific embodiments of the present utility model are provided below, and it should be noted that the present utility model is not limited to the following specific embodiments, and all equivalent transformations done on the basis of the technical solution of the application all fall into the protection scope of the present utility model.

According to the above technical scheme, as shown in Figure 1 and Figure 2, a special hoisting device for asphalt pavement maintenance vehicles in high-altitude and low-temperature areas, including a hoist 2 installed under the chassis 1 of the maintenance vehicle, and a fixed bottom plate 3 installed on the chassis 1 , column 4, beam 5, wire rope 6 and lifting hook 7, described column 4 comprises column base 8, fixed steel pipe 9, outer sleeve 10 and inner sleeve 11, wherein, column base 8 is fixed on the bottom of fixed steel pipe 9 end, the inner wall of the fixed steel pipe 9 is fixed with an inner sleeve 11 through a welding stopper 14, a shaft shoulder 13 is arranged between the top of the fixed steel pipe 9 and the inner sleeve 11, and the outer sleeve 10 is mounted on the inner sleeve 11 through a bearing 15 The top can rotate around the inner sleeve 11, and a pressure bearing 12 is installed between the outer sleeve 10 and the shaft shoulder 13; the column base 8 at the lower end of the column 4 is fixed on the fixed base plate 3, and the outer sleeve 10 at the upper end of the column 4 is vertically fixed with The crossbeam 5 is provided with a fixed splint 16 for fixing the wire rope at the end of the crossbeam 5 away from the column 4, and the first pulley 17 is provided on the end surface of the end of the beam 5 away from the column, and is provided on the top surface of the end of the beam 5 away from the column. There is a second pulley 18, a third pulley 19 at the same height as the second pulley 18 is installed on the top surface of the column 4, and a fourth pulley 20 is arranged under the maintenance vehicle chassis 1 below the column 4; one end of the wire rope 6 is fixed by The splint 16 is fixed on the beam 5, and the other end enters the column 4 through the lifting hook 7, the first pulley 17, the second pulley 18 and the third pulley 19 in turn, passes through the inner sleeve 11, fixes the steel pipe 9, the column base 8, and fixes the The bottom plate 3 and the chassis 1 of the maintenance vehicle are connected to the hoist 2 through the fourth pulley 20; a lifting handle 21 is installed under the chassis 1 of the maintenance vehicle rear.

A reinforcing rib 22 is provided between the column base 8 and the fixed steel pipe 9 , and a reinforcing rib 22 is provided between the outer sleeve 10 and the beam 5 .

The cross-section of the crossbeam 5 is rectangular, and an end of the crossbeam 5 close to the lifting hook 7 is provided with a night lighting 23 .

Hoist 2 selects the hoist of model CD500 for use, and lifting weight is 500～1000kg, and wire rope 6 is 30m in length, and power is 1kw, and self-weight is 57kg, and lifting speed is 7m/min, and power is 380V.

In order to meet the requirements of the working conditions, the hoisting device in this embodiment can safely hoist a weight of at least 300kg and a hoisting height of 1600mm. In order to shorten the size of the beam 5 and avoid the unstable factor of the excessive length of the beam 5, the beam 5 can rotate 360° around the column 4 through the bearing 15 and the pressure bearing 12, the radius of rotation is 1600mm, and the lifting device is installed on the side of the chassis 1 .

When the utility model works, at first start the generating set on the maintenance vehicle, and wait for the lifting device to start working when the voltage output of the generating set is stable at 380V. Worker A operates the lifting handle 21 at the lifting handle 21 at the rear of the carriage. Worker B uses the lifting hook 7 to hang the equipment on the car, and then signals to Worker A to control the lifting handle 21 to lift the equipment out of the carriage. The pushing equipment drives the beam 5 to rotate around the column 4, so that the maintenance equipment is rotated away from the chassis 1. Workers A and B carefully observe the distance between the side of the carriage and the equipment. After confirming safety, worker A controls the starting handle 21 to slowly put down the heavy object. Worker second takes off lifting hook 7 then, and equipment is pushed into the construction area, repairs road surface, and hangs down equipment task and finishes.

Lifting equipment: After the construction is completed, worker B pushes the equipment to the side of the carriage, and is responsible for hanging the lifting hook 7 on the equipment, and worker A is responsible for controlling the lifting handle 21 to lift the equipment until the lifting height of the equipment is slightly higher than During the height of the compartment, the worker second was responsible for pulling the equipment to the compartment top. After the worker first and the worker second carefully observed the position, they controlled the lifting handle 21 to slowly drop the equipment, and the task of hanging the equipment was completed.

After the hoisting is completed, the maintenance vehicle has completed the road surface maintenance task at a site, before turning to the next construction site, the lifting hook 7 will be hung on the beam fixing hook welded on the carriage. And control hoisting handle 21 to allow steel wire rope 6 tension, prevent maintenance vehicle from braking suddenly in the process of driving and cause crossbeam to throw out and have an accident.

Claims (3)

1. A special lifting device for asphalt pavement maintenance vehicles in high-altitude and low-temperature areas, characterized in that it includes a winch (2) installed under the chassis (1) of the maintenance vehicle, and a fixed bottom plate (3) installed on the chassis (1) , column (4), beam (5), wire rope (6) and lifting hook (7); The column (4) includes a column base (8), a fixed steel tube (9), an outer sleeve (10) and an inner sleeve (11), wherein the fixed steel tube (9) is fixed on the column base (8) , the inner sleeve is fixed by a welded block (14) and a fixed steel pipe (9), a shaft shoulder (13) is arranged between the top of the fixed steel pipe (9) and the inner sleeve, and the outer sleeve (10) passes through the bearing (15 ) is installed on the inner sleeve (11) and can rotate around the inner sleeve (11), and a pressure bearing (12) is installed between the outer sleeve (10) and the shaft shoulder (13); The column base (8) at the lower end of the column (4) is fixed on the fixed base plate (3), the outer sleeve (10) at the upper end of the column (4) is vertically fixed with a beam (5), and the beam (5) is far away from the column (4) One end is provided with a fixed splint (16) for fixing the wire rope, a first pulley (17) is provided on the end surface of the beam (5) away from the column, and a pulley (17) is provided on the top surface of the beam (5) away from the column. The second pulley (18), the third pulley (19) with the same height as the second pulley (18) is installed on the top surface of the column (4), and is set under the maintenance vehicle chassis (1) under the column (4) There is a fourth pulley (20); one end of the steel wire rope (6) is fixed on the beam (5) through the fixed splint (16), and the other end passes through the lifting hook (7), the first pulley (17), and the second pulley (18) in sequence and the third pulley (19) enter the column (4), pass through the inner sleeve (11), the fixed steel pipe (9), the column base (8), the fixed bottom plate (3) and the chassis (1) of the maintenance vehicle, and then pass through The 4th pulley (20) links to each other with winch (2); Under the chassis (1) of maintenance car rear end, lifting handle (21) is installed. the 2. The special lifting device for asphalt pavement maintenance vehicles in high-altitude and low-temperature areas according to claim 1, characterized in that, a reinforcing rib (22) is provided between the column base (8) and the fixed steel pipe (9), A reinforcing rib (22) is provided between the outer sleeve (10) and the beam (5). the 3. The special lifting device for asphalt pavement maintenance vehicles in high-altitude and low-temperature areas according to claim 1, characterized in that, the cross-section of the beam (5) is rectangular, and when the beam (5) is close to the lifting hook (7), One end is equipped with night light (23). the

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