CN110255340B - A rotatable safety lift - Google Patents

Abstract

The invention relates to the technical field of cargo transportation equipment, in particular to a rotatable safety lift. By arranging a rotating base at the bottom of the car body, and setting a folding rod mechanism on the rotating base, the ground cattle forklift is connected through the folding rod mechanism. The hydraulic cylinder controls the extension and contraction of the folding rod mechanism, thereby controlling the forklift to enter and exit the car, and the rotation of the rotating base controls the folding rod mechanism and the direction of the forklift. The preset program in the PLC controls the position of the rotating base to turn the Diniu forklift towards the corresponding hall door during the moving process of the freight elevator. When it reaches the designated floor and the hall door is opened, the Diniu forklift will be pushed out of the hall door through the folding lever mechanism to realize Automatic loading and unloading greatly improves the efficiency of cargo transfer when the loading and unloading directions of different floors are inconsistent, and it is safe and reliable.

Description

A rotatable safety lift

technical field

The invention relates to the technical field of cargo transportation equipment, in particular to a rotatable safety elevator.

Background technique

When goods need to be transported between floors, freight elevators are usually required to complete the loading and unloading directions of different floors due to the limitation of certain plant structures. goods. Traditional freight elevators usually need to wait until the car reaches the target floor, and manually control the forklift to load the goods to be delivered into the car, or unload the goods in the car, which requires manual waiting time, only after the car reaches the target floor. Therefore, when the amount of cargo is large, it takes a lot of man-hours, and when the forklift is manually controlled to send the cargo into the car, the car will The side walls are easily scratched by cargo or forklifts.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is: how to provide a safe and reliable safety elevator that improves the efficiency of cargo transfer under the condition that the loading and unloading directions of different floors are not consistent.

In order to solve the above-mentioned technical problems, the technical scheme adopted in the present invention is:

A rotatable safety elevator, comprising a car body, a rotating base, a folding rod mechanism and a ground bull forklift;

the rotating base is arranged at the lower part of the car body;

The folding rod mechanism includes a hydraulic cylinder, a first connecting rod and a second connecting rod. One end of the first connecting rod is hinged to one side of the upper part of the rotating base, and the other end of the first connecting rod is connected to the second connecting rod. One end of the rod is hinged to the other end of the second connecting rod; one end of the hydraulic cylinder is hinged to the first connecting rod, and the other end is hinged to the second connecting rod.

The beneficial effects of the present invention are: in the rotatable safety lift structure provided by the present invention, a rotating base is arranged at the bottom of the car body, and a folding rod mechanism is arranged on the rotating base, and the ground cattle forklift is connected through the folding rod mechanism, and the The hydraulic cylinder controls the extension and contraction of the folding rod mechanism, thereby controlling the forklift to enter and exit the car, and the rotation of the rotating base controls the folding rod mechanism and the direction of the forklift. The preset program in the PLC controls the position of the rotating base to turn the Diniu forklift towards the corresponding hall door during the moving process of the freight elevator. When it reaches the designated floor and the hall door is opened, the Diniu forklift is pushed out of the hall door through the folding lever mechanism to realize Automatic loading and unloading greatly improves the efficiency of cargo transfer when the loading and unloading directions of different floors are inconsistent, and it is safe and reliable.

Description of drawings

1 is a schematic structural diagram of a rotatable safety elevator according to a specific embodiment of the present invention;

2 is a top view of a partial structure of a car body base of a rotatable safety elevator according to a specific embodiment of the present invention;

3 is a bottom view of a partial structure of a rotating base of a rotatable safety elevator according to a specific embodiment of the present invention;

Label description:

1. Car body; 11. Depressed part; 2. Rotating base; 3. Folding rod mechanism; 31. First connecting rod; 32. Second connecting rod; 33. Hydraulic cylinder; 4. Diniu forklift; 5. Bearing Seat; 6. Support roller; 7. Internal gear; 8. Sprocket; 9. Hall door.

Detailed ways

In order to describe in detail the technical content, achieved objects and effects of the present invention, the following descriptions are given with reference to the embodiments and the accompanying drawings.

The most critical concept of the present invention is: by setting a rotating base at the bottom of the car body, and setting a folding rod mechanism on the rotating base, the folding rod mechanism and the orientation of the ground cattle forklift are controlled by the rotation of the rotating base. When loading and unloading on different floors When the direction of the goods is inconsistent, control the rotating base to turn the forklift truck toward the corresponding hall door.

Please refer to FIG. 1 to FIG. 3 , the present invention relates to a rotatable safety elevator, including a car body 1 , a rotating base 2 , a folding rod mechanism 3 and a ground cattle forklift 4 ;

The rotating base 2 is arranged at the lower part of the car body 1;

The folding lever mechanism 3 includes a hydraulic cylinder 33, a first link 31 and a second link 32. One end of the first link 31 is hinged to one side of the upper part of the rotating base 2, and the first link The other end is connected to one end of the second connecting rod 32, and one end of the forklift 4 is hinged to the other end of the second connecting rod 32; one end of the hydraulic cylinder 33 is hinged to the first connecting rod 31, and the other end is hinged on the second connecting rod 32 .

In the above-mentioned rotatable safety lift structure, a rotating base 2 is set at the bottom of the car body 1, and a folding rod mechanism 3 is set on the rotating base 2, and the ground cattle forklift 4 is connected through the folding rod mechanism 3, and controlled by a hydraulic cylinder 33. The extension and contraction of the folding lever mechanism 3 controls the entry and exit of the forklift 4 into and out of the car, and the rotation of the rotating base 2 controls the orientation of the folding lever mechanism 3 and the forklift 4. When the loading and unloading directions of different floors are inconsistent, it can be adjusted. By presetting the program in the PLC, during the moving process of the freight elevator, the rotating base 2 is controlled to turn the forklift 4 towards the position corresponding to the hall door 9. When reaching the designated floor and the hall door 9 is opened, the ground door 9 is opened by the folding lever mechanism 3. The cattle forklift 4 is pushed out of the hall door 9 to realize automatic loading and unloading, which greatly improves the efficiency of cargo transfer when the loading and unloading directions of different floors are inconsistent, and it is safe and reliable.

Further, in the above-mentioned rotatable safety elevator structure, the lower part of the car body 1 is provided with a cylindrical recess 11 , the rotating base is disc-shaped, and the rotating base is arranged in the recess 11 .

It can be seen from the above description that the cylindrical recessed portion 11 is arranged at the lower part of the car body 1, and the rotating base is arranged in the recessed portion 11, so that the upper part of the rotating base is at the same height as the bottom surface of the car, so that the ground cattle forklift 4 can be smoothly It moves between the rotating base and the bottom surface of the car body 1 .

Further, in the above-mentioned rotatable safety elevator structure, a bearing seat 5 is provided in the center of the recessed portion 11 , and the lower part of the rotating base 2 is connected to the bearing seat 5 through a bearing.

It can be seen from the above description that the lower part of the rotating base 2 is connected to the bearing seat 5 in the middle of the recessed part 11 through a bearing, so as to realize the rotatable connection between the rotating base 2 and the recessed part 11 and play a supporting role of the rotating base 2 .

Further, in the above-mentioned rotatable safety elevator structure, the recessed portion 11 is distributed with a plurality of support rollers 6 in a circular array, and the support rollers 6 include a support frame and a roller body connected to the support frame. The axial direction of the roller body and the axis of the rotating base are on the same line.

As can be seen from the above description, the plurality of support rollers 6 arranged in a circular array in the recessed portion 11 play an auxiliary supporting role when the rotating base 2 rotates.

Further, the above-mentioned rotatable safety elevator structure also includes a drive mechanism, and the drive mechanism includes a motor, an internal gear 7 and a sprocket 8;

The motor is arranged at the bottom of the car body 1, and the motor is connected with the sprocket 8 in a driving manner.

It can be seen from the above description that the motor drives the sprocket 8 to rotate. Since the sprocket 8 meshes with the internal gear 7, the internal gear 7 is driven to rotate, thereby realizing the rotation of the rotating base.

Further, in the above-mentioned rotatable safety elevator structure, the car body 1 is provided with more than two hall doors 9 .

As can be seen from the above description, the car body 1 can be provided with more than two hall doors 9 according to the requirements of the plant structure, so that multi-directional loading and unloading can be realized by rotating the base 2 .

Further, the above-mentioned rotatable safety elevator structure further includes a PLC controller, and the PLC controller is electrically connected to the hydraulic cylinder 33 and the motor respectively.

As can be seen from the above description, the operation of the motor and the hydraulic cylinder 33 is controlled by the PLC controller.

Example 1

A rotatable safety lift includes a car body 1, a rotating base 2, a folding rod mechanism 3 and a ground bull forklift 4; the rotating base 2 is arranged at the lower part of the car body 1; the folding rod mechanism 3 includes a hydraulic The cylinder 33, the first connecting rod 31 and the second connecting rod 32, one end of the first connecting rod 31 is hinged to one side of the upper part of the rotating base 2, and the other end of the first connecting rod 31 is connected to the second connecting rod One end of the forklift 4 is hinged to the other end of the second connecting rod 32 ; one end of the hydraulic cylinder 33 is hinged to the first connecting rod 31 , and the other end is hinged to the second connecting rod 32 . The lower part of the car body 1 is provided with a cylindrical concave portion 11 , the shape of the rotating base is a disc, and the rotating base is arranged in the concave portion 11 . The center of the recessed portion 11 is provided with a bearing seat 5 , and the lower part of the rotating base 2 is connected to the bearing seat 5 through a bearing. The recessed portion 11 is distributed with a plurality of support rollers 6 in a circular array. The support rollers 6 include a support frame and a roller body connected to the support frame. The axial direction of the roller body is located at the axis of the rotating base. the same straight line. The rotatable safety lift also includes a drive mechanism, which includes a motor, an internal gear 7 and a sprocket 8; the motor is arranged at the bottom of the car body 1, and the motor is connected to the sprocket 8 in a driving manner. The internal gear 7 is provided on the edge of the lower part of the rotating base, and the internal gear 7 meshes with the sprocket 8 . The car body 1 is provided with two or more hall doors 9 . The rotatable safety lift also includes a PLC controller, which is electrically connected to the hydraulic cylinder 33 and the motor, respectively.

To sum up, in the rotatable safety lift structure provided by the present invention, a rotating base is arranged at the bottom of the car body, and a folding rod mechanism is arranged on the rotating base, and the ground cattle forklift is connected through the folding rod mechanism, and the hydraulic cylinder Control the extension and contraction of the folding rod mechanism, so as to control the entry and exit of the Diniu forklift, and control the folding rod mechanism and the direction of the Diniu forklift through the rotation of the rotating base. The preset program controls the rotation base to turn the Diniu forklift towards the corresponding hall door during the moving process of the freight elevator. When it reaches the designated floor and the hall door is opened, the Diniu forklift is pushed out of the hall door through the folding lever mechanism to realize automatic loading and unloading. It can greatly improve the efficiency of cargo transfer when the loading and unloading directions of different floors are not consistent, and it is safe and reliable.

The above descriptions are only examples of the present invention, and are not intended to limit the scope of the present invention. Any equivalent transformations made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in related technical fields, are similarly included in the within the scope of patent protection of the present invention.

Claims (1)

1. A rotatable safety lift, characterized in that it comprises a car body, a rotating base, a folding rod mechanism and a ground bull forklift; the rotating base is arranged at the lower part of the car body; The folding rod mechanism includes a hydraulic cylinder, a first connecting rod and a second connecting rod. One end of the first connecting rod is hinged to one side of the upper part of the rotating base, and the other end of the first connecting rod is connected to the second connecting rod. One end of the rod, one end of the ground bull forklift is hinged to the other end of the second connecting rod; one end of the hydraulic cylinder is hinged to the first connecting rod, and the other end is hinged to the second connecting rod; The lower part of the car body is provided with a cylindrical depression, the shape of the rotating base is a disc, and the rotating base is arranged in the depression; A bearing seat is arranged in the center of the recessed part, and the lower part of the rotating base is connected to the bearing seat through a bearing; A plurality of support rollers are distributed in the recessed part in a circular array, the support rollers include a support frame and a roller body connected to the support frame, and the axial direction of the roller body is located on the same line as the axis of the rotating base; Also includes a drive mechanism, the drive mechanism includes a motor, an internal gear and a sprocket; the motor is arranged at the bottom of the car body, the motor is connected with the sprocket in a driving manner, the inner gear is arranged at the edge of the lower part of the rotating base, and the inner gear meshes with the sprocket; The car body is provided with more than two hall doors; It also includes a PLC controller, which is electrically connected with the hydraulic cylinder and the motor, respectively.

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