Elevator shaft maintenance plate convenient to open and close

Abstract

The utility model discloses an elevator hoistway maintenance plate convenient to open and close, relates to the technical field of hoistway maintenance plates, and solves the problems that when a worker enters a hoistway maintenance hole, the worker needs to hold a grabbing rod as an acting point to enter the maintenance hole and step on a crawling ladder, and due to the fact that the heights and the arm lengths of all maintenance personnel are different, the maintenance cost is low. The maintenance plate comprises a mounting seat and a maintenance plate body, the maintenance plate body is rotationally connected into the mounting seat, a transmission seat is fixedly mounted on one side of the maintenance plate body, two adjusting seats are symmetrically and fixedly mounted at the bottom of the transmission seat, and the two adjusting seats are fixedly mounted on the mounting seat. Two fixed grabbing rods are fixedly installed between the two adjusting seats, and adjusting mechanisms are arranged on the two adjusting seats. By means of the adjusting mechanism, the movable grabbing rod can be adjusted according to the requirements of a worker when the worker enters the well access hole, and wide application is facilitated.

Description

Technical Field

[0001] The utility model relates to the field of hoistway inspection plates, in particular to an elevator hoistway inspection plate which is convenient to open and close. Background Technique

[0002] An elevator hoistway is a shaft for installing an elevator. Elevator rails and counterweight rails are installed on the shaft wall. It is divided into two types: machine-roomless elevators and machine-room elevators. For machine-room elevators, an elevator machine room is provided at the top of the hoistway. Equipment such as a main power box, a traction machine, and a control cabinet are installed in the elevator machine room. Generally, a maintenance hole leading to the hoistway is also opened on the floor of the machine room, and a ladder is provided below the maintenance hole to facilitate maintenance personnel to enter the hoistway to repair the rails and equipment at the top of the hoistway.

[0003] A well shaft inspection plate disclosed in a Chinese utility model (publication number: CN211945785U) includes a mounting frame fixed on the ground. A inspection plate body is rotatably connected to the mounting frame. A grab bar is provided on one side of the inspection plate body facing the hoistway. A limiting mechanism is provided on one side of the inspection plate body perpendicular to the hinge end. The limiting mechanism includes a support rod. One end of the support rod is hinged to the inspection plate body, and the other end of the support rod is hinged to a connection block. The connection block is slidably connected to the mounting frame, and a positioning member for restricting the sliding of the connection block is provided on the mounting frame. The utility model has the ability to support when entering the hoistway, which is convenient for entering for maintenance.

[0004] In the process of implementing the present utility model, the inventor found that there are at least the following problems in this technology. When the staff enters the inspection hole of the hoistway, they need to hold the grab bar as a fulcrum to enter the inspection hole and step on the ladder. Since the height and arm length of each maintenance personnel are different, and the grab bar is fixedly arranged, it is not conducive to wide application. Therefore, an elevator hoistway inspection plate which is convenient to open and close is now proposed. Content of the Utility Model

[0005] In order to improve the problem that when the staff enters the inspection hole of the hoistway, they need to hold the grab bar as a fulcrum to enter the inspection hole and step on the ladder. Since the height and arm length of each maintenance personnel are different, and the grab bar is fixedly arranged, it is not conducive to wide application, the present utility model provides an elevator hoistway inspection plate which is convenient to open and close.

[0006] The present utility model provides an elevator hoistway inspection plate which is convenient to open and close, and adopts the following technical solutions:

[0007] An elevator shaft inspection plate that is convenient to open and close, including a mounting base and an inspection plate body. The inspection plate body is rotatably connected within the mounting base. A transmission base is fixedly installed on one side of the inspection plate body. Two adjusting seats are symmetrically and fixedly installed at the bottom of the transmission base. Two fixed gripping rods are fixedly installed between the two adjusting seats. And an adjusting mechanism is provided on the two adjusting seats. A driving rod is rotatably connected within the transmission base. A large gear is fixedly connected to the driving rod. A controller is provided at the bottom of the transmission base. Connecting rods are hinged on both sides of the inspection plate body. One end of each of the two connecting rods is hinged with a slider. Chute grooves are provided on the inner walls of both sides of the mounting base. The two sliders slide within the two chute grooves.

[0008] By adopting the above technical solution, when the two sliders move, the inspection plate body can be driven to make an angle adjustment on the mounting base through the two connecting rods.

[0009] Optionally, an electric push rod is fixedly provided within the mounting base. One end of the electric push rod is fixedly connected to a pushing plate. Two pushing rods are fixedly installed on one side of the pushing plate. The two pushing rods are fixedly connected to one side of the two sliders.

[0010] By adopting the above technical solution, the electric push rod is used to drive the pushing plate to drive the two pushing rods to move horizontally.

[0011] Optionally, the adjusting mechanism includes two adjusting screws. The two adjusting screws are respectively rotatably connected to the two adjusting seats. The tops of the two adjusting screws pass through the tops of the two adjusting seats and are both located within the transmission base.

[0012] By adopting the above technical solution, the two adjusting screws rotate synchronously and have an adjusting function.

[0013] Optionally, small gears are fixedly connected to the tops of the two adjusting screws. The two small gears are both meshed with the large gear.

[0014] By adopting the above technical solution, when the large gear rotates, the two small gears can drive the two adjusting screws to rotate synchronously.

[0015] Optionally, sleeves are threadedly connected to the two adjusting screws. Moving plates are fixedly connected to the two sleeves. A moving gripping rod is fixedly connected between the two moving plates.

[0016] By adopting the above technical solution, when the two adjusting screws rotate, the two sleeves can drive the two moving plates to move up or down, thereby adjusting the movement of the moving gripping rod.

[0017] Optionally, a chassis is fixedly installed at the bottom of the transmission base. A driving motor is fixedly installed within the chassis. The output shaft of the driving motor is fixedly connected to the driving rod.

[0018] By adopting the above technical solution, the driving rod 6 can transmit the kinetic energy of the driving motor 20.

[0019] In summary, the utility model has the following beneficial effects:

[0020] 1. In the utility model, the pushing plate drives two pushing rods to move, and pushes two sliders to move in two chutes, so that two connecting rods drive the overhaul plate body to make angle adjustment;

[0021] 2. In the utility model, two sleeves drive two moving plates to move up or down, so as to move and adjust the moving gripper rod according to the use requirements of maintenance personnel. Description of the Drawings

[0022] Figure 1 is a schematic structural diagram of an overhaul plate for an elevator shaft that is convenient to open and close according to the utility model.

[0023] Figure 2 is a top view structural diagram of an overhaul plate for an elevator shaft that is convenient to open and close according to the utility model.

[0024] Figure 3 is a side view structural diagram of the overhaul plate body of an overhaul plate for an elevator shaft that is convenient to open and close according to the utility model.

[0025] Description of the Reference Numerals:

[0026] 1, mounting seat; 2, overhaul plate body; 3, transmission seat; 4, adjustment seat; 5, fixed gripper rod; 6, driving rod; 7, large gear; 8, controller; 9, connecting rod; 10, slider; 11, electric push rod; 12, pushing plate; 13, pushing rod; 14, adjusting screw; 15, small gear; 16, sleeve; 17, moving plate; 18, moving gripper rod; 19, chassis; 20, driving motor. Specific Embodiments

[0027] The following further elaborates on this application Figures 1-3 in detail with reference to the attached

[0028] Please refer to Figures 1-3, an elevator shaft inspection panel that is easy to open and close, comprises a mounting seat 1 and an inspection panel body 2, the inspection panel body 2 is rotatably connected in the mounting seat 1, a transmission seat 3 is fixedly installed on one side of the inspection panel body 2, two adjustment seats 4 are symmetrically fixedly installed at the bottom of the transmission seat 3, two fixed grab bars 5 are fixedly installed between the two adjustment seats 4, the two fixed grab bars 5 are convenient for the maintenance personnel to have a force point, and the two adjustment seats 4 are provided with an adjustment mechanism, a driving rod 6 is rotatably connected in the transmission seat 3, a large gear 7 is fixedly connected to the driving rod 6, a controller 8 is provided at the bottom of the transmission seat 3, connecting rods 9 are hinged on both sides of the inspection panel body 2, one end of the two connecting rods 9 are hinged with sliders 10, and there are sliding grooves on the inner walls on both sides of the mounting seat 1, and the two sliders 10 slide in the two sliding grooves.

[0029] Reference Figure 1 and Figure 2 An electric push rod 11 is fixedly provided in the mounting seat 1, one end of the electric push rod 11 is fixedly connected to a push plate 12, one side of the push plate 12 is fixedly installed with two push rods 13, and the two push rods 13 are fixedly connected to one side of the two sliders 10.

[0030] Reference Figure 2 and Figure 3 The adjusting mechanism includes two adjusting screws 14, which are rotatably connected to the two adjusting seats 4 respectively. The top ends of the two adjusting screws 14 pass through the top ends of the two adjusting seats 4 and are located in the transmission seat 3. The top ends of the two adjusting screws 14 are fixedly connected with pinions 15, and the two pinions 15 are meshed with the large gear 7. The two adjusting screws 14 are threadedly connected with sleeves 16, and the two sleeves 16 are fixedly connected with moving plates 17. A moving grab bar 18 is fixedly connected between the two moving plates 17. When the two adjusting screws 14 rotate, the two sleeves 16 can drive the two moving plates 17 to move upward or downward, thereby moving and adjusting the moving grab bar 18. A chassis 19 is fixedly installed at the bottom of the transmission seat 3, and a drive motor 20 is fixedly installed in the chassis 19. The output shaft of the drive motor 20 is fixedly connected to the drive rod 6.

[0031] The implementation principle of the utility model is: use the controller 8 to drive the electric push rod 11, the electric push rod 11 drives the push plate 12 to move, the push plate 12 drives the two push rods 13 to move, and pushes the two sliders 10 to move in the two slide grooves, so that the two connecting rods 9 drive the inspection plate body 2 to adjust the angle, and start the driving motor 20 through the controller 8, so that the driving rod 6 drives the large gear 7 to rotate, and the large gear 7 drives the two adjusting screws 14 to rotate through the two small gears 15, and at the same time, the two sleeves 16 drive the two moving plates 17 to move upward or downward, so that the moving grab bar 18 can be moved and adjusted according to the use requirements of the maintenance personnel.

[0032] The above are all the preferred embodiments of the present utility model, and the protection scope of the present utility model is not limited thereby. Therefore, all equivalent changes made according to the structure, shape and principle of the present utility model shall be covered within the protection scope of the present utility model.

Claims

1. An elevator shaft inspection panel that is easy to open and close, comprising a mounting seat (1) and an inspection panel body (2), characterized in that: The inspection plate body (2) is rotatably connected in the mounting seat (1); a transmission seat (3) is fixedly installed on one side of the inspection plate body (2); two adjustment seats (4) are symmetrically fixedly installed at the bottom of the transmission seat (3); two fixed grab bars (5) are fixedly installed between the two adjustment seats (4); and adjustment mechanisms are provided on the two adjustment seats (4); a driving rod (6) is rotatably connected in the transmission seat (3); a large gear (7) is fixedly connected to the driving rod (6); a controller (8) is provided at the bottom of the transmission seat (3); connecting rods (9) are hinged on both sides of the inspection plate body (2); one end of the two connecting rods (9) is hinged on a slider (10); and sliding grooves are provided on the inner walls of both sides of the mounting seat (1); the two sliders (10) slide in the two sliding grooves.

2. The elevator shaft access panel that is easy to open and close according to claim 1 is characterized in that: An electric push rod (11) is fixedly arranged in the mounting seat (1), one end of the electric push rod (11) is fixedly connected to a push plate (12), one side of the push plate (12) is fixedly mounted with two push rods (13), and the two push rods (13) are fixedly connected to one side of the two slide blocks (10).

3. The elevator shaft access panel that is easy to open and close according to claim 1 is characterized in that: The adjustment mechanism comprises two adjustment screws (14), the two adjustment screws (14) being rotatably connected to the two adjustment seats (4) respectively, and the top ends of the two adjustment screws (14) passing through the top ends of the two adjustment seats (4) are both located in the transmission seat (3).

4. The elevator shaft access panel that is easy to open and close according to claim 3 is characterized in that: The top ends of the two adjusting screw rods (14) are fixedly connected with small gears (15), and the two small gears (15) are meshed with the large gear (7).

5. The elevator shaft access panel that is easy to open and close according to claim 4 is characterized in that: The two adjusting screw rods (14) are both threadedly connected with sleeves (16), the two sleeves (16) are both fixedly connected with moving plates (17), and a moving grab bar (18) is fixedly connected between the two moving plates (17).

6. The elevator shaft access panel that is easy to open and close according to claim 1 is characterized in that: A chassis (19) is fixedly mounted on the bottom of the transmission seat (3), a drive motor (20) is fixedly mounted inside the chassis (19), and an output shaft of the drive motor (20) is fixedly connected to the drive rod (6).

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