CN213112290U - Hoisting device - Google Patents

Abstract

The utility model discloses a hoisting device, which comprises an electric hoist lifting unit, a motor lifting unit and an electric hoist lifting unit which are arranged side by side in sequence; the electric hoist lifting unit comprises a beam arranged on a wall and an electric hoist arranged on the beam; the motor lifting unit comprises a cross beam arranged on a wall, a lifting motor arranged on the cross beam, a controller and a cable, and a lifting hook is arranged at the lifting end of the cable; the beam comprises two parallel channel steels, and the notches of the two channel steels are opposite; the top parts of the electric hoist and the lifting motor are respectively provided with a vertical plate, the thickness of each vertical plate is smaller than the width of a gap between two parallel channel steel, two side walls of each vertical plate are respectively provided with a wheel shaft, each wheel shaft is provided with a roller, and each roller is respectively arranged in each channel steel; fixed pulleys are respectively arranged at two ends of each cross beam, pull ropes are respectively arranged on the fixed pulleys, one end of each pull rope is connected with the vertical plate of the lifting unit where the pull rope is located, and the other end of each pull rope is a free end. The utility model has the advantages of avoid warping when going up and down super large quality and long door body.

Description

Hoisting device

Technical Field

The utility model belongs to hoisting machinery, concretely relates to hoisting apparatus.

Background

In the existing processing and manufacturing process of the long iron door with ultra-large mass (such as a prison door), because two surfaces of the door need to be processed, the door needs to be turned over after one surface is processed, at the moment, if the door is turned over by manpower, a large number of personnel are still needed, and the door is unsafe for the personnel in the turning over process. In addition, because the door body is long, the quality is super large, need two electric block to go up and down usually, the both ends of the door body become the stress point this moment, bear huge pressure, at the door body in-process that goes up and down, the door body middle part also can make the door body produce the shape of slight downwarping because of weight, the time just warp easily for a long time, consequently need set up a elevating gear in middle part position and offset bending deformation.

Disclosure of Invention

In order to solve the problems that a large amount of personnel are needed and the operation risk of the personnel is high in the overturning process of the ultra-large-mass iron door, and the middle of the door body is easy to bend due to the fact that two electric hoists are used for lifting, a lifting device is provided.

The lifting device of the utility model comprises two identical electric hoist lifting units and a motor lifting unit positioned between the two electric hoist lifting units, and the three lifting units are arranged side by side; the electric hoist lifting unit comprises a first cross beam arranged on the wall and an electric hoist arranged on the first cross beam and capable of moving along the length direction of the first cross beam; the motor lifting unit comprises a second beam arranged on the wall, a lifting motor which is arranged on the second beam and can move along the length direction of the second beam and is provided with a horizontal rotating shaft, a controller which is connected with the lifting motor and is used for controlling the horizontal rotating shaft of the lifting motor to rotate, and a cable wound on the horizontal rotating shaft, wherein the lifting end of the cable is provided with a lifting hook; the first cross beam and the second cross beam are identical and comprise two parallel channel steel, the notches of the two channel steel are opposite, and the channel steel comprises a channel bottom plate, an upper side plate and a lower side plate which are respectively connected with the channel bottom plate;

the top parts of the electric hoist and the lifting motor are respectively provided with a first vertical plate and a second vertical plate, the thickness of each vertical plate is smaller than the width of a gap between two parallel channel steel, the corresponding position of the two side walls of each vertical plate is respectively and vertically provided with a wheel shaft, each wheel shaft is provided with a roller, and each roller is respectively arranged on the inner wall of the lower side plate of each channel steel; and two ends of each cross beam are respectively provided with a fixed pulley, each fixed pulley is respectively provided with a pull rope, one end of each pull rope is respectively connected with the vertical plate of the lifting unit where the pull rope is positioned, and the other end of each pull rope is a free end.

For improved safety, the cable is a steel wire rope.

In order to facilitate the rope to be grasped by hands, a pull ring is arranged at the free end of the pull rope.

In order to facilitate rolling of the roller, the roller is provided with a bearing.

In order to make the lifting device more stable, a support bar is connected between each beam and the wall.

Has the advantages that: the utility model adopts the combination of the electric hoists of two heavy lifting devices and the lifting motor of one light lifting device to lift the door bodies with long length and super large mass such as prison doors, the two ends of the two electric hoists lift the door bodies, and the middle part of the lifting motor lifts the door body to ensure that the middle part of the door body is not bent in the lifting process; the cable is a steel wire rope, so that the safety is improved; the free end of the pull rope is provided with the pull ring, so that the pull rope can be conveniently grabbed by hands, and the positions of the electric hoist and the lifting motor in the length direction of the cross beam can be conveniently adjusted after the pull rope is pulled by hands; the roller is provided with the bearing, and the roller is easy to roll after being arranged on the wheel shaft through the bearing, so that the positions of the electric hoist and the lifting motor are adjusted more labor-saving; the supporting rods are connected between the cross beams and the wall, so that the hoisting device is more stable.

Drawings

Fig. 1 is a schematic structural diagram of the lifting device of the present invention;

FIG. 2 is a schematic view of the connection between the lift motor and the cross beam in the lifting device of the present invention;

in the figure, 1, a cross beam; 1-1, a first beam; 1-2, a second beam; 2. a lifting motor; 2-1, a rotating shaft; 3. a vertical plate; 3-1, a first vertical plate; 3-2, a second vertical plate; 4. a cable; 5. a hook; 6. a roller; 7. a fixed pulley; 8. pulling a rope; 9. a pull ring; 10. a wheel axle; 11. a lower side plate; 12. a support bar; 13. a controller; s, an electric hoist.

Detailed Description

The technical solution of the present invention is described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the embodiments.

Examples

As shown in fig. 1 and 2, the utility model relates to a hoisting device, which comprises two electric hoist lifting units and a motor lifting unit arranged between the two electric hoist lifting units, wherein the three lifting units are arranged side by side.

The electric hoist lifting unit comprises a first cross beam 1-1 arranged on the wall and an electric hoist S which is arranged on the first cross beam 1-1 and can move along the length direction of the first cross beam 1-1.

The motor lifting unit comprises a second beam 1-2 installed on the wall, a lifting motor 2 which is arranged on the second beam 1-2 and can move along the length direction of the second beam 1-2 and is provided with a horizontal rotating shaft 2-1, a controller 13 which is connected with the lifting motor 2 and is used for controlling the horizontal rotating shaft 2-1 of the lifting motor 2 to rotate, and a cable 4 wound on the horizontal rotating shaft 2-1, wherein the cable 4 is a steel wire rope, and a lifting end of the cable 4 is provided with a lifting hook 5.

The first beam 1-1 and the second beam 1-2 are the same and comprise two parallel channel steel, notches of the two channel steel are opposite, and the channel steel comprises a channel bottom plate, an upper side plate and a lower side plate 11 which are respectively connected with the channel bottom plate.

The top of an electric hoist S and the top of a lifting motor 2 are respectively provided with a first vertical plate 3-1 and a second vertical plate 3-2, each vertical plate 3 is made of stainless steel, the thickness of each vertical plate is smaller than the width of a gap between two parallel channel steel, two through holes are formed in each vertical plate 3, a stainless steel wheel shaft 10 is perpendicularly welded at the corresponding position of the two side walls of each vertical plate 3 respectively, each wheel shaft 10 is provided with a roller 6 with a bearing respectively, and the rollers 6 on the two sides of each vertical plate 3 are arranged on the inner walls of lower side plates 11 of the two channel steel of the corresponding cross beam 1 respectively.

The two ends of each beam 1 are respectively provided with a fixed pulley 7, each fixed pulley 7 is respectively provided with a pull rope 8, one end of each pull rope 8 respectively penetrates through two through holes of the vertical plate 3 of the lifting unit where the pull rope is located and is firmly fastened with the vertical plate 3, the other end is a free end, and the free end is connected with a pull ring 9. Stainless steel support rods 12 are connected between each cross beam 1 and the wall, a channel steel is supported by one support rod 12, one end of each support rod 12 is welded on the outer wall of the lower side plate 11 of the channel steel, and the other end of each support rod is fixed on the wall.

In actual use, the door with ultra-large mass and long length, such as a prison door, needs to be overturned in two-sided processing, the lifting hooks of the two electric hoists S hook the two ends of the door body firstly, the lifting hook 5 of the lifting motor 2 hooks the middle part of the door body, then the two electric hoists S and the lifting motor 2 are respectively opened to stably lift the door body, the electric hoists S and the lifting motor 2 are stopped after the door body is suspended, the two electric hoists S and the lifting motor 2 are started to descend the door body after the lower end of the door body is manually moved to a preset position, and the two electric hoists S and the lifting motor 2 are closed after the door body is kept flat to complete.

The above-mentioned techniques not specifically mentioned refer to the prior art.

As mentioned above, although the present invention has been shown and described with reference to certain preferred embodiments, it should not be construed as limiting the invention itself. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (5)

1. A hoisting device is characterized by comprising two identical electric hoist lifting units and a motor lifting unit positioned between the two electric hoist lifting units, wherein the three lifting units are arranged side by side;

the electric hoist lifting unit comprises a first cross beam arranged on the wall and an electric hoist arranged on the first cross beam and capable of moving along the length direction of the first cross beam;

the motor lifting unit comprises a second beam arranged on the wall, a lifting motor which is arranged on the second beam and can move along the length direction of the second beam and is provided with a horizontal rotating shaft, a controller which is connected with the lifting motor and is used for controlling the horizontal rotating shaft of the lifting motor to rotate, and a cable wound on the horizontal rotating shaft, wherein the lifting end of the cable is provided with a lifting hook;

the first cross beam and the second cross beam are identical and comprise two parallel channel steel, the notches of the two channel steel are opposite, and the channel steel comprises a channel bottom plate, an upper side plate and a lower side plate which are respectively connected with the channel bottom plate;

the top parts of the electric hoist and the lifting motor are respectively provided with a first vertical plate and a second vertical plate, the thickness of each vertical plate is smaller than the width of a gap between two parallel channel steel, the corresponding position of the two side walls of each vertical plate is respectively and vertically provided with a wheel shaft, each wheel shaft is provided with a roller, and each roller is respectively arranged on the inner wall of the lower side plate of each channel steel;

and two ends of each cross beam are respectively provided with a fixed pulley, each fixed pulley is respectively provided with a pull rope, one end of each pull rope is respectively connected with the vertical plate of the lifting unit where the pull rope is positioned, and the other end of each pull rope is a free end.

2. The hoisting device as recited in claim 1 wherein the cable is a wire rope.

3. The hoisting device as claimed in claim 1, characterized in that the free end of the pull rope is provided with a pull ring.

4. The hoisting device as recited in claim 1 wherein the roller is provided with a bearing.

5. The lifting apparatus as claimed in claim 1, wherein a support bar is connected between each beam and the wall.

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