Electric power assisting device for object hanging hole cover plate

Abstract

The utility model discloses an electric power assisting device for a hoisting hole cover plate, and particularly relates to the technical field of hoisting hole cover plates, the electric power assisting device comprises a hoisting hole, an electric power assisting component is arranged in the hoisting hole, a mounting groove is formed in the inner wall of the hoisting hole, and hinge seats are fixedly connected to the inner bottom surface of the mounting groove and the bottom of a connecting plate; the fixed end of the electric push rod is hinged to a hinge seat fixedly connected to the inner bottom face of the mounting groove, the movable end of the electric push rod is hinged to a hinge seat fixedly connected to the bottom of the connecting plate, and the inner diameter of the object lifting hole is matched with the inner diameter defined by the cover plates on the two sides. The space occupied by the electric power assisting assembly can be further reduced by installing the electric power assisting assembly in the installing groove, and compared with the mode that the electric power assisting push rod is installed at the bottom of the object hanging hole in a comparison file, the space occupied by the electric power assisting assembly is reduced. And the influence of the electric power assisting device on the object lifting space of the object lifting hole can be further reduced, and more space is saved during use.

Description

Technical Field

[0001] The utility model relates to the technical field of lifting hole covers, in particular to an electric assist device for a lifting hole cover. Background Technique

[0002] Generally, a cover plate should be set on the lifting hole. When there is no lifting, the cover plate is closed, and when lifting, the cover plate is opened. The existing lifting hole cover plates generally adopt an electric assist method for opening and closing. Conventional technologies use a motor to drive a reduction gearbox through a belt / synchronous shaft.

[0003] The existing Chinese patent with the publication number CN215761141U discloses an electric assist type lifting hole cover plate, including an outer frame arranged around the lifting hole and matching the shape of the lifting hole. At least one long side of the outer frame is provided with an openable and closable cover plate, and the cover plate is connected to the outer frame by a hinge; a support leg is arranged below the corner of the outer frame, the top of the support leg is connected to the bottom of the outer frame, an electric assist push rod is arranged on the support leg, the lower end of the electric assist push rod is hinged to the lower end of the support leg, and the upper end of the electric assist push rod is hinged to one side of the back of the cover plate close to the corner of the outer frame. The electric assist structure of this cover plate is simple and can realize precise opening and closing of the cover plate.

[0004] When the above patent is in use, although the space occupied by the electric assist device can be further reduced by installing the electric assist push rod on the support leg arranged below the corner of the outer frame, the electric assist device in the above patent is essentially still arranged inside the lifting hole, so it still occupies a part of the space inside the lifting hole, which may cause an impact when lifting larger items subsequently, and it is more inconvenient to use.

[0005] Therefore, we make improvements and propose an electric assist device for a lifting hole cover plate. Content of the Utility Model

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0007] An electric assist device for a lifting hole cover plate of the utility model includes a lifting hole. Cover plates are rotatably arranged on both sides of the lifting hole. Connecting plates are fixedly connected to both sides of the cover plates. Two groups of cover plates are symmetrically arranged and are in an opening and closing structure. An electric assist component is arranged inside the lifting hole. The electric assist component includes an electric push rod. An installation groove is opened on the inner wall of the lifting hole. Hinge seats are fixedly connected to the inner bottom surface of the installation groove and the bottom of the connecting plate. The fixed end of the electric push rod is hinged in the hinge seat fixedly connected to the inner bottom surface of the installation groove, and the moving end of the electric push rod is hinged in the hinge seat fixedly connected to the bottom of the connecting plate. The inner diameter of the lifting hole matches the inner diameter enclosed by the cover plates on both sides.

[0008] As a preferred technical solution of the present utility model, an installation cavity is provided in the lifting hole, vertical plates are fixedly connected to both ends of the installation cavity, rotating columns are fixedly connected to the vertical plates, the rotating columns are perpendicular to the vertical plates, and both sides of the cover plate are rotatably sleeved on the rotating columns.

[0009] As a preferred technical solution of the present utility model, a relief groove is provided in the lifting hole, and a maintenance plate is hinged to the relief groove through a hinge.

[0010] As a preferred technical solution of the present utility model, a bearing rod is fixedly connected to the middle of the inner bottom surface of the installation groove, the bearing rod is perpendicular to the inner bottom surface of the installation groove, and the highest surface of the bearing rod is lower than the upper surface of the lifting hole.

[0011] As a preferred technical solution of the present utility model, a protective pad is fixedly connected to the top of the bearing rod.

[0012] As a preferred technical solution of the present utility model, a baffle is fixedly connected to the installation groove, and the baffle is fixedly connected to one side of the installation groove close to the inside of the lifting hole.

[0013] The beneficial effects of the present utility model are as follows: In the present utility model, by setting the electric assist component, the space occupied by the electric assist component can be further reduced by installing the electric assist component in the installation groove. Compared with the method of installing the electric assist push rod at the bottom of the lifting hole in the comparative document, this method can further reduce the influence of the electric assist device on the lifting space of the lifting hole, and is more space-saving in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The drawings are used to provide a further understanding of the present utility model, and constitute a part of the specification. Together with the embodiments of the present utility model, they are used to explain the present utility model, and do not constitute a limitation to the present utility model. In the drawings:

[0015] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0016] Figure 2 is a schematic diagram of the partial sectional structure of the present utility model;

[0017] Figure 3 is a schematic diagram of the internal structure of the present utility model.

[0018] In the figure: 1, lifting hole; 2, cover plate; 3, connecting plate; 4, maintenance plate; 5, installation groove; 6, hinge seat; 7, electric push rod; 8, bearing rod; 9, protective pad; 10, relief groove; 11, installation cavity; 12, vertical plate; 13, rotating column; 14, baffle. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0020] Example: Figures 1 to 3 The lifting device of the present invention is a lifting hole cover plate electric power assist device, comprising a lifting hole 1, with cover plates 2 rotatably arranged on both sides of the lifting hole 1, and connecting plates 3 fixedly connected on both sides of the cover plate 2, and two groups of cover plates 2 are symmetrically arranged and are arranged in an opening and closing structure. An electric power assist assembly is arranged inside the lifting hole 1, and the electric power assist assembly includes an electric push rod 7, and an installation groove 5 is opened on the inner wall of the lifting hole 1, and the inner bottom surface of the installation groove 5 and the bottom of the connecting plate 3 are fixedly connected with an articulated seat 6, and the fixed end of the electric push rod 7 is hinged in the articulated seat 6 fixedly connected on the inner bottom surface of the installation groove 5, and the movable end of the electric push rod 7 is hinged in the articulated seat 6 fixedly connected to the bottom of the connecting plate 3. By setting the installation groove 5, it is easier to install the electric push rod 7 in the electric power assist assembly, thereby further reducing the space occupied by the electric power assist assembly, and can further improve the lifting adaptability of the lifting hole 1, making it more convenient to use; the inner diameter of the lifting hole 1 matches the inner diameter enclosed by the cover plates 2 on both sides.

[0021] An installation cavity 11 is opened in the hanging hole 1, and the installation cavity 11 opened in the hanging hole 1 can make it easier to install the vertical plate 12; both ends of the installation cavity 11 are fixedly connected to the vertical plates 12, and the vertical plates 12 are fixedly connected to rotating columns 13, and the rotating columns 13 are vertically arranged between the rotating columns 13 and the vertical plates 12. By utilizing the rotating columns 13 vertically arranged on the vertical plates 12, it is easier to rotatably sleeve the two sides of the cover plate 2 on the rotating columns 13, and the installation is more convenient; the two sides of the cover plate 2 are rotatably sleeved on the rotating columns 13.

[0022] A clearance groove 10 is provided in the hanging hole 1. The clearance groove 10 provided in the hanging hole 1 can effectively prevent movement interference of the cover plate 2 during rotation. An inspection plate 4 is hinged on the clearance groove 10. The inspection plate 4 is hinged on the clearance groove 10, so that it is more convenient to use the inspection plate 4 to cover the clearance groove 10 after the lifting is completed.

[0023] A load-bearing rod 8 is fixedly connected to the middle of the inner bottom surface of the installation groove 5 . The load-bearing rod 8 is vertically arranged between the inner bottom surface of the installation groove 5 , and the highest surface of the load-bearing rod 8 is lower than the upper surface of the hanging hole 1 .

[0024] A protective pad 9 is fixedly connected to the top of the bearing rod 8; by fixedly connecting the rubber protective pad 9 to the top of the bearing rod 8, when the two side cover plates 2 are closed, the impact force generated between the two side cover plates 2 and the bearing rod 8 can be further reduced, thereby playing a role in protecting the cover plates 2.

[0025] A baffle 14 is fixedly connected to the installation groove 5, and the baffle 14 is fixedly connected to one side of the installation groove 5 close to the inside of the lifting hole 1. By fixedly connecting the baffle 14 to one side of the installation groove 5 close to the inside of the lifting hole 1, it can further prevent the lifted object from moving into the installation groove 5 when guiding the object through the lifting hole 1, thus affecting the lifting effect of the object; at the same time, it can also further prevent the lifted object from bumping and damaging the electric push rod 7.

[0026] During operation, when it is necessary to use the lifting hole 1 to lift an object, first open the inspection plates 4 hinged on both sides of the lifting hole 1, then start the electric push rod 7 arranged inside the installation groove 5, and use the electric push rod 7 and the hinge seats 6 hinged on the fixed end and the moving end of the electric push rod 7 to cooperate. Use the electric push rod 7 to push the connecting plate 3 upward. By fixedly connecting the connecting plate 3 to both sides of the cover plate 2, when the connecting plate 3 moves upward, it will drive the two side cover plates 2 to move upward, so that the two side cover plates 2 can be in an open state. Then use an external crane to lift the object to be lifted inside the lifting hole 1. After the lifting is completed, move the moving end of the electric push rod 7 toward the fixed end, and use the movement of the electric push rod 7 to move the two opened and closed cover plates 2 downward, so that the two side cover plates 2 are in a closed state.

[0027] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An electric power assist device for a cover plate of a lifting hole, comprising a lifting hole (1), characterized in that, Cover plates (2) are rotatably arranged on both sides of the hanging hole (1), and connecting plates (3) are fixedly connected to both sides of the cover plates (2). The cover plates (2) are symmetrically arranged in two groups and are arranged in an open and closed structure. An electric power assist assembly is arranged inside the hanging hole (1), and the electric power assist assembly includes an electric push rod (7). A mounting groove (5) is opened on the inner wall of the hanging hole (1), and the inner bottom surface of the mounting groove (5) and the bottom of the connecting plate (3) are fixedly connected with a hinge seat (6). The fixed end of the electric push rod (7) is hinged in the hinge seat (6) fixedly connected to the inner bottom surface of the mounting groove (5), and the movable end of the electric push rod (7) is hinged in the hinge seat (6) fixedly connected to the bottom of the connecting plate (3). The inner diameter of the hanging hole (1) matches the inner diameter enclosed by the cover plates (2) on both sides.

2. The electric assist device for the cover plate of the lifting hole according to claim 1, characterized in that, The hanging hole (1) is provided with an installation cavity (11), both ends of the installation cavity (11) are fixedly connected to vertical plates (12), the vertical plates (12) are fixedly connected to rotating columns (13), the rotating columns (13) are vertically arranged between the vertical plates (12), and the two sides of the cover plate (2) are rotatably sleeved on the rotating columns (13).

3. The electric assist device for the cover plate of the lifting hole according to claim 1, characterized in that, A clearance groove (10) is provided in the object hanging hole (1), and an inspection plate (4) is hingedly connected to the clearance groove (10) via a hinge.

4. An electric assist device for a lifting hole cover plate according to claim 1, characterized in that, A bearing rod (8) is fixedly connected to the middle of the inner bottom surface of the installation groove (5), and the bearing rod (8) is vertically arranged between the inner bottom surface of the installation groove (5), and the highest surface of the bearing rod (8) is lower than the upper surface of the hanging hole (1).

5. The electric assist device for the cover plate of the lifting hole according to claim 4, wherein, A protective pad (9) is fixedly connected to the top of the bearing rod (8).

6. The electric assist device for the cover plate of the lifting hole according to claim 1, characterized in that, A baffle (14) is fixedly connected to the installation groove (5), and the baffle (14) is fixedly connected to a side of the installation groove (5) close to the inside of the hanging hole (1).

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