Elevator shaft protection device

Abstract

The utility model relates to the technical field of protective devices, and discloses an elevator shaft protective device, including a wire rope protective net, two L-shaped plates are respectively arranged on both sides of the wire rope protective net, trapezoidal grooves are respectively opened on both sides of the L-shaped plate, the two trapezoidal grooves are connected to each other, and a protective component is arranged inside the trapezoidal groove. Through the coordinated use of the wire rope protective net, the L-shaped plate, the trapezoidal groove, the first threaded column, the movable plate, the threaded hole and the first fixed hole, the door opening in the elevator shaft can be protected, so that the door opening on the elevator shaft is effectively blocked to prevent accidents. At the same time, the L-shaped plate and the movable plate can be adjusted to adapt to door openings of different thicknesses, without the need to open grooves on the side walls of the door opening, and the installation is completed in steps, which can be completed by one person without the help of an assistant. The installation is relatively convenient and practical.

Description

Technical Field

[0001] The utility model relates to the technical field of protective devices, in particular to an elevator shaft protective device. Background Art

[0002] The elevator shaft is an essential facility in high-rise buildings. The size of the shaft body is determined according to the elevator selection. Elevator tracks and counterweight tracks are installed on the shaft wall. The reserved door opening is also called the shaft main opening, which is used to install the elevator door. There is an elevator machine room at the top of the shaft. There are great safety threats during the construction of the elevator shaft. If it is not protected, there is a risk of falling. Therefore, special protection is required at the shaft main opening through special protective devices to reduce safety hazards.

[0003] An existing elevator shaft protection door (Announcement No.: CN217478819U) has at least the following disadvantages:

[0004] During installation, the protective door needs to be placed between two walls, the threaded rod needs to be turned to limit the protective door, and then the movable baffle needs to be pulled out from the hidden cavity of the fixed baffle, etc. During the entire installation process, multiple personnel need to cooperate with each other for installation, which requires a lot of manpower. At the same time, the protective door is limited by grooving the wall, which requires manual grooving when there is no groove, which is more troublesome and has certain limitations. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes an elevator shaft protection device.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] An elevator shaft protection device comprises a wire rope protection net, two L-shaped plates are respectively arranged on both sides of the wire rope protection net, trapezoidal grooves are respectively opened on both sides of the L-shaped plates, and the two trapezoidal grooves are connected to each other, and a protection component is arranged inside the trapezoidal grooves for protecting the main opening of the elevator shaft, and the protection component comprises: a movable plate, and the movable plate is movably sleeved inside the trapezoidal groove.

[0008] As a further solution of the utility model, the protective component also includes: a threaded hole is opened on one side of the movable plate, the inner circumferential wall surface of the threaded hole is threadedly connected with a first threaded column, the inner sides of the trapezoidal groove are respectively provided with fixed grooves, the fixed grooves are movably sleeved with the first threaded column, a first fixing hole is opened on one side of the L-shaped plate, the first fixing hole is connected to the fixed groove located on the left side, a hexagonal groove is opened at one end of the first threaded column, the inner circumferential wall surface of the threaded hole is movably sleeved with a hexagonal column, and a spring is fixedly installed at one end of the hexagonal column The spring is fixedly installed on one side of the inner part of the hexagonal groove, a rotating column is fixedly installed on one end of the hexagonal column, a first limiting groove is opened at one end of the rotating column, the rotating column is movably connected with the inner circular wall surface of the fixed groove located on the left side, a connecting plate is fixedly installed on one end of the steel cable of the wire rope protection net, a second fixing hole is opened on the top surface of the connecting plate and the movable plate, a second threaded column is movably connected on the inner circular wall surface of the second fixing hole, a threaded ring is threadedly connected on the outer circular wall surface of the second threaded column, and a fixing column is fixedly installed on the bottom surface of the L-shaped plate.

[0009] As a further solution of the utility model, two limiting columns are fixedly installed at one end of the rotating column, and a plurality of second limiting grooves are opened on one side of the inner part of the fixing groove, and the second limiting grooves are movably sleeved with the limiting columns.

[0010] As a further solution of the utility model, rubber pads are fixedly installed on one side of the L-shaped plate and one side of the movable plate respectively.

[0011] As a further solution of the utility model, support mechanisms are fixedly mounted on the top surface and the bottom surface of the movable plate respectively.

[0012] As a further solution of the utility model, a warning banner is fixedly installed on one side of the wire rope protection net.

[0013] As a further solution of the utility model, a bearing is fixedly sleeved on the inner circular wall surface of the first threaded column, and the bearing is fixedly sleeved on the inner circular wall surface of the fixing groove located on the left side.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] By using the wire rope protection net, L-shaped plate, trapezoidal groove, first threaded column, movable plate, threaded hole and first fixed hole in coordination with each other, the door opening in the elevator shaft can be protected, so that the door opening on the elevator shaft is effectively blocked to prevent accidents. At the same time, the adjustable L-shaped plate and movable plate can be adapted to door openings of different thicknesses. There is no need to groove the side walls of the door opening, and the installation can be completed in steps. It can be completed by one person without the help of an assistant. The installation is relatively convenient and practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of an elevator shaft protection device proposed by the utility model;

[0017] Figure 2 A schematic diagram of the structure of a steel wire rope protection net for an elevator shaft protection device proposed by the utility model;

[0018] Figure 3 for Figure 2 Schematic diagram of the local structure of A;

[0019] Figure 4 This is a schematic diagram of the structure of a first threaded column of an elevator shaft protection device proposed by the utility model;

[0020] Figure 5 The utility model is a schematic diagram of the fixing groove structure of the elevator shaft protection device.

[0021] In the figure: 1. Wire rope protection net; 2. L-shaped plate; 3. Trapezoidal groove; 4. First threaded column; 5. Moving plate; 6. Threaded hole; 7. First fixing hole; 8. Fixing groove; 9. Hexagonal column; 10. Rotating column; 11. First limiting groove; 12. Spring; 13. Connecting plate; 14. Second fixing hole; 15. Second threaded column; 16. Limiting column; 17. Second limiting groove; 18. Rubber pad; 19. Support mechanism; 20. Fixed column; 21. Bearing; 22. Warning banner; 23. Threaded ring. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0023] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0024] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] Reference Figure 1-Figure 5 , an elevator shaft protection device, including a wire rope protection net 1, two L-shaped plates 2 are respectively arranged on both sides of the wire rope protection net 1, trapezoidal grooves 3 are respectively opened on both sides of the L-shaped plate 2, the two trapezoidal grooves 3 are connected to each other, and a protection component is arranged inside the trapezoidal groove 3 for protecting the main opening of the elevator shaft, and the protection component includes: a moving plate 5, the moving plate 5 is movably sleeved inside the trapezoidal groove 3, a threaded hole 6 is opened on one side of the moving plate 5, and the inner wall surface of the threaded hole 6 is threadedly connected with a first threaded column 4, and fixed grooves 8 are respectively opened on both sides of the inside of the trapezoidal groove 3, and the fixed groove 8 is movably sleeved with the first threaded column 4, and a first fixing hole 7 is opened on one side of the L-shaped plate 2, and the first fixing hole 7 is connected to the fixing groove 8 on the left side, and the first thread A hexagonal groove is provided at one end of the column 4, and a hexagonal column 9 is movably sleeved inside the hexagonal groove. A spring 12 is fixedly installed at one end of the hexagonal column 9, and the spring 12 is fixedly installed to one side of the inner part of the hexagonal groove. A rotating column 10 is fixedly installed at one end of the hexagonal column 9. A first limiting groove 11 is provided at one end of the rotating column 10, and the rotating column 10 is movably sleeved with the inner circular wall of the fixed groove 8 located on the left side. A connecting plate 13 is fixedly installed at one end of the steel cable of the wire rope protection net 1, and a second fixing hole 14 is provided on the top surface of the connecting plate 13 and the movable plate 5. A second threaded column 15 is movably sleeved on the inner circular wall of the second fixing hole 14, and a threaded ring 23 is threadedly connected to the outer circular wall of the second threaded column 15. A fixing column 20 is fixedly installed on the bottom surface of the L-shaped plate 2.

[0026] In this embodiment, two limit columns 16 are fixedly installed on one end of the rotating column 10, and a plurality of second limit grooves 17 are opened on one side of the inner part of the fixed groove 8. The second limit grooves 17 are movably connected with the limit columns 16. Rubber pads 18 are fixedly installed on one side of the L-shaped plate 2 and one side of the movable plate 5 respectively. Support mechanisms 19 are fixedly installed on the top and bottom surfaces of the movable plate 5 respectively. A warning banner 22 is fixedly installed on one side of the wire rope protection net 1. A bearing 21 is fixedly connected to the inner circular wall surface of the first threaded column 4, and the bearing 21 is fixedly connected to the inner circular wall surface of the fixed groove 8 located on the left side.

[0027] From the above description, it can be seen that the above-mentioned embodiments of the utility model achieve the following technical effects: through the set wire rope protection net 1, when the user needs to protect the main opening of the elevator shaft (hereinafter referred to as the doorway) to prevent the construction personnel from falling into the elevator shaft and causing an accident, at this time, through the set fixed column 20, the installer will hold the fixed column 20 to pick up the L-shaped plate 2, and the L-shaped plate 2 and the movable plate 5 will form a "U" shape. The U-shaped opening formed by the L-shaped plate 2 and the movable plate 5 is put on the wall on one side of the doorway, and the support mechanism 19 is made to fit one side of the inner wall of the doorway, and then the hexagonal The hexagonal wrench is inserted into the first fixing hole 7 and the first limiting groove 11 and pushed. The first limiting groove 11 is hexagonal, so that the rotating column 10 drives the fixing groove 8 to squeeze the spring 12 and drives the limiting column 16 to move out from the second limiting groove 17. Then, the rotating column 10 is rotated to drive the hexagonal column 9 and the first threaded column 4 to rotate, so that the first threaded column 4 and the threaded hole 6 convert the rotational motion into linear motion, so that the moving plate 5 moves inside the trapezoidal groove 3, so that the moving plate 5 drives the rubber pad 18 to squeeze the wall, and the L-shaped plate 2 and the moving plate 5 are used to move After the wall is clamped, the hexagonal wrench is released and the rotating column 10 is no longer pushed, so that the rotating column 10 pushes the limiting column 16 into the second limiting groove 17 under the push of the spring 12, so that the second limiting groove 17 limits the limiting column 16, the rotating column 10, the hexagonal column 9 and the first threaded column 4 to prevent the first threaded column 4 from rotating by itself and prevent the L-shaped plate 2 and the moving plate 5 from loosening, thereby completing the installation of a single L-shaped plate 2 and the moving plate 5. After completing the four installations, the wire rope protection net 1 is picked up so that the second fixing hole 14 on the top surface of the connecting plate 13 is aligned with the first fixing hole 15 on the top surface of the moving plate 5. The second fixing holes 14 are aligned, the second threaded column 15 is inserted into the second fixing hole 14, and the threaded ring 23 is rotated to connect and fix with the second threaded column 15, and the installation of the wire rope protection net 1 is completed, thereby comprehensively achieving the effect of protecting the door opening in the elevator shaft, so that the door opening on the elevator shaft can be effectively blocked to prevent accidents. At the same time, the adjustable L-shaped plate 2 and the movable plate 5 can be adapted to door openings of different thicknesses, without the need to groove the side walls of the door opening, and the installation is completed in steps, which can be completed by one person without the help of an assistant. The installation is relatively convenient and practical.

[0028] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. An elevator shaft protection device, comprising a wire rope protection net (1), two L-shaped plates (2) are respectively arranged on both sides of the wire rope protection net (1), trapezoidal grooves (3) are respectively opened on both sides of the L-shaped plate (2), and the two trapezoidal grooves (3) are connected to each other, characterized in that: A protection component is arranged inside the trapezoidal groove (3) and is used to protect the main opening of the elevator shaft. The protection component comprises: a movable plate (5), and the movable plate (5) is movably sleeved inside the trapezoidal groove (3).

2. An elevator shaft protection device according to claim 1, characterized in that: The protective component further comprises: a threaded hole (6) is provided on one side of the movable plate (5), the inner wall surface of the threaded hole (6) is threadedly connected with a first threaded column (4), fixing grooves (8) are provided on both sides of the interior of the trapezoidal groove (3), the fixing grooves (8) are movably sleeved with the first threaded column (4), a first fixing hole (7) is provided on one side of the L-shaped plate (2), the first fixing hole (7) is connected with the fixing groove (8) located on the left side, a hexagonal groove is provided at one end of the first threaded column (4), a hexagonal column (9) is movably sleeved inside the hexagonal groove, a spring (12) is fixedly installed at one end of the hexagonal column (9), the spring (12) is sleeved with the hexagonal groove, and the spring (12) is sleeved with the hexagonal groove. The inner side of the hexagonal column (9) is fixedly installed, a rotating column (10) is fixedly installed at one end of the hexagonal column (9), a first limiting groove (11) is provided at one end of the rotating column (10), and the rotating column (10) is movably connected with the inner circular wall surface of the fixed groove (8) located on the left side. A connecting plate (13) is fixedly installed at one end of the steel cable of the wire rope protection net (1), and a second fixing hole (14) is provided on the top surface of the connecting plate (13) and the movable plate (5). A second threaded column (15) is movably connected to the inner circular wall surface of the second fixing hole (14), and a threaded ring (23) is threadedly connected to the outer circular wall surface of the second threaded column (15). A fixing column (20) is fixedly installed on the bottom surface of the L-shaped plate (2).

3. An elevator shaft protection device according to claim 2, characterized in that: Two limiting columns (16) are fixedly mounted on one end of the rotating column (10), and a plurality of second limiting grooves (17) are opened on one side inside the fixing groove (8), and the second limiting grooves (17) are movably sleeved with the limiting columns (16).

4. An elevator shaft protection device according to claim 2, characterized in that: Rubber pads (18) are fixedly mounted on one side of the L-shaped plate (2) and one side of the movable plate (5), respectively.

5. An elevator shaft protection device according to claim 4, characterized in that: Support mechanisms (19) are fixedly mounted on the top surface and the bottom surface of the movable plate (5), respectively.

6. The elevator shaft protection device according to claim 1, characterized in that: A warning banner (22) is fixedly mounted on one side of the steel wire rope protection net (1).

7. An elevator shaft protection device according to claim 2, characterized in that: A bearing (21) is fixedly sleeved on the inner circular wall surface of the first threaded column (4), and the bearing (21) is fixedly sleeved on the inner circular wall surface of the fixing groove (8) located on the left side.

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