An elevator car top maintenance locking device

Abstract

The utility model relates to elevator technical field, concretely is a kind of elevator car roof overhauling locking device, including car and mounting plate, car top is equipped with limiting assembly, for limiting car, the number of mounting plate is two, two mounting plates are fixedly installed in the inner wall of elevator shaft two sides respectively, fixed block is fixedly installed on mounting plate, and multiple evenly distributed insertion holes are formed in fixed block;Limiting assembly includes square tube, movable rod is inserted in the inner cavity of both ends of square tube, the outer end of movable rod is fixedly connected with end plate, and the outer wall of end plate is fixedly installed with multiple evenly distributed insertion rod, and driving assembly is installed on square tube.The utility model is moved to two sides by limiting assembly respectively, to make limiting assembly insert into fixed block, to realize stable limiting, it is favorable to promote the stability after car stops, to be favorable to promote the stability of overall when overhauling operation, to be favorable to promote staff safety.

Description

Technical Field

[0001] This utility model relates to the field of elevator technology, specifically to an elevator car top inspection and locking device. Background Technology

[0002] An elevator is an electromechanical device that is electrically driven and runs vertically or inclined along a fixed track. Its core function is to conveniently transport people and goods, and it is widely used in various places such as residences, shopping malls, office buildings, and hospitals.

[0003] Existing vertical elevators use traction to move the elevator car up and down. Control equipment is installed in the elevator shaft. When maintenance is needed, the elevator is stopped at a designated point, and workers stand on the top of the elevator car as a platform to perform the maintenance. Currently, the elevator is still secured by traction cables after stopping, resulting in poor stability during maintenance and making it difficult to use limit switches for stable positioning. Therefore, we propose an elevator car top maintenance locking device. Utility Model Content

[0004] The purpose of this utility model is to provide an elevator car top inspection and locking device, which solves the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an elevator car top inspection and locking device, comprising a car and a mounting plate, wherein a limiting component is installed on the top of the car for limiting the car position, and two mounting plates are respectively fixedly installed on the inner walls of both sides of the elevator shaft, and a fixing block is fixedly installed on the mounting plate, wherein the fixing block has multiple evenly distributed insertion holes.

[0006] The limiting component includes a square tube, with movable rods inserted into the inner cavities at both ends of the square tube. An end plate is fixedly connected to the outer end of each movable rod, and multiple evenly distributed insert rods are fixedly installed on the outer wall of the end plate. A driving component is installed on the square tube to drive the movable rods on both sides to move.

[0007] By adopting the above technical solution, when it is necessary to inspect the control equipment in the shaft, the elevator is pulled to the designated position and then stopped. Then, the drive assembly is used to drive the movable rods on both sides to move outward, thereby causing the end plate and the insertion rod to move outward. This allows the insertion rod to be inserted into the insertion hole on the surface of the fixed block, thereby achieving the limit and improving the stability of the car when it is used as a platform for maintenance operations.

[0008] In a preferred embodiment of this utility model, the drive assembly includes a servo motor, which is fixedly installed at the top center of the square tube. The drive shaft of the servo motor movably passes through one side wall of the square tube and is fixedly connected to a first bevel gear. Both sides of the outer wall of the first bevel gear are meshed with second bevel gears. One end of the second bevel gear is fixedly connected to a screw. The inner end of the movable rod is provided with a threaded hole, and the screw is inserted into the threaded hole and threadedly engaged.

[0009] By adopting the above technical solution, the first bevel gear is driven to rotate by the servo motor, which in turn drives the second bevel gear to rotate, thereby driving the screw to rotate, and the movable rod is moved under the action of the screw drive.

[0010] In a preferred embodiment of this utility model, the outer wall of the screw is fitted with a bearing, and the outer wall of the bearing is fixedly connected to the inner wall of the square tube by a connecting block.

[0011] In a preferred embodiment of this utility model, a fixed shell is fixedly installed on the top of the fixed block, a movable plate is provided in the inner cavity of the fixed shell, an electromagnet is fixedly installed on the top of the inner cavity of the fixed shell, a magnetic plate is embedded in the top of the movable plate, and a plurality of evenly distributed abutting rods are fixedly connected to the bottom of the movable plate. The abutting rods are inserted through holes, and springs are fitted on the outer walls of the abutting rods. The two ends of the springs are fixedly connected to the movable plate and the inner wall of the fixed shell, respectively.

[0012] By adopting the above technical solution, after the insertion rod is inserted into the socket, the electromagnet is energized to generate a pushing force on the magnetic plate, which causes the movable plate to descend. At the same time, the spring is compressed, and the clamping rod is pressed against the outer wall of the insertion rod. This helps to further improve the stability of the insertion rod and the socket after they are connected, thereby indirectly improving the stability of the car and helping to avoid the situation where there is a gap between the insertion rod and the socket, which can easily cause shaking.

[0013] In a preferred embodiment of this utility model, the outer end of the insertion rod is provided with a rounded chamfer.

[0014] In a preferred embodiment of this utility model, mounting holes are provided at all four corners of the surface of the mounting plate.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0016] The present application provides an elevator car top maintenance locking device, which allows the limiting components to move to both sides, thereby enabling the limiting components to insert into the fixing blocks and achieve stable limiting. This improves the stability of the car after it stops, which in turn improves the overall stability during maintenance operations and enhances the safety of the staff.

[0017] After the insertion rod is inserted into the socket of the fixed block, the electromagnet is energized to generate a pushing force on the magnetic plate, which causes the movable plate to descend. This allows the clamping rod to be inserted into the socket and pressed against the insertion rod, thereby further improving the stability of the insertion rod and socket after they are connected. This indirectly improves the stability of the car and helps to avoid the situation where there is a gap between the insertion rod and the socket, which can easily cause shaking. Attached Figure Description

[0018] Other features, objects, and advantages of this invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0019] Figure 1 This is a schematic diagram of the overall structure of an elevator car top inspection and locking device according to the present invention;

[0020] Figure 2 This is a front sectional view of the structure of an elevator car top inspection and locking device according to the present invention;

[0021] Figure 3 This is a cross-sectional structural diagram of the fixing block of an elevator car top inspection and locking device according to the present invention.

[0022] In the picture:

[0023] 1. Car;

[0024] 2. Square tube; 21. Movable rod; 22. End plate; 23. Insert rod; 24. Servo motor; 25. First bevel gear; 26. Screw; 27. Second bevel gear; 28. Bearing;

[0025] 3. Mounting plate; 31. Fixing block; 32. Mounting hole; 33. Fixing shell; 34. Movable plate; 35. Clamping rod; 36. Spring; 37. Electromagnet. Detailed Implementation

[0026] Please see Figure 1-3 This utility model provides a technical solution: an elevator car top inspection and locking device, including a car 1 and a mounting plate 3. A limit component is installed on the top of the car 1 to limit the movement of the car 1. There are two mounting plates 3, which are respectively fixedly installed on the inner walls of both sides of the elevator shaft. A fixing block 31 is fixedly installed on the mounting plate 3, and multiple evenly distributed insertion holes are opened on the fixing block 31.

[0027] The limiting component includes a square tube 2, with movable rods 21 inserted into the inner cavities at both ends of the square tube 2. An end plate 22 is fixedly connected to the outer end of the movable rod 21. Multiple evenly distributed insert rods 23 are fixedly installed on the outer wall of the end plate 22. A driving component is installed on the square tube 2 to drive the movable rods 21 on both sides to move.

[0028] It should be understood that in actual use, when it is necessary to inspect the control equipment in the shaft, the elevator is pulled to the designated position and then stopped. Then, the drive assembly is used to drive the movable rods 21 on both sides to move outward, thereby causing the end plate 22 and the insertion rod 23 to move outward. This allows the insertion rod 23 to be inserted into the insertion hole on the surface of the fixed block 31, thereby achieving a limit and improving the stability of the car 1 when it is used as a platform for maintenance operations.

[0029] Furthermore, mounting holes 32 are provided at the four corners of the surface of the mounting plate 3. The mounting holes 32 facilitate the installation and fixation of the entire device.

[0030] Furthermore, the outer end of the plug rod 23 is provided with a rounded chamfer. The rounded chamfer makes the plug rod 23 easier to insert into the socket, which helps to prevent the microphone from getting stuck.

[0031] like Figure 1 and 2 As shown; the drive assembly includes a servo motor 24, which is fixedly installed at the top center of the square tube 2. The drive shaft of the servo motor 24 movably passes through one side wall of the square tube 2 and is fixedly connected to a first bevel gear 25. The outer walls of the first bevel gear 25 are meshed with second bevel gears 27 on both sides. One end of the second bevel gear 27 is fixedly connected to a screw 26. The inner end of the movable rod 21 is provided with a threaded hole, and the screw 26 is inserted into the threaded hole and threadedly engaged.

[0032] It should be understood that the servo motor 24 drives the first bevel gear 25 to rotate, which in turn drives the second bevel gear 27 to rotate, thereby driving the screw 26 to rotate, and the screw drive enables the movable rod 21 to move.

[0033] Furthermore, a bearing 28 is fitted on the outer wall of the screw 26. The outer wall of the bearing 28 is fixedly connected to the inner wall of the square tube 2 via a connecting block. It should be understood that the bearing 28 ensures high rotational stability of the screw 26.

[0034] like Figure 1 and 3 As shown; a fixed shell 33 is fixedly installed on the top of the fixed block 31, a movable plate 34 is provided in the inner cavity of the fixed shell 33, an electromagnet 37 is fixedly installed on the top of the inner cavity of the fixed shell 33, a magnet plate is embedded in the top of the movable plate 34, and a plurality of evenly distributed abutting rods 35 are fixedly connected to the bottom of the movable plate 34. The abutting rods 35 are inserted through the insertion hole, and a spring 36 is fitted on the outer wall of the abutting rod 35. The two ends of the spring 36 are fixedly connected to the movable plate 34 and the inner wall of the fixed shell 33, respectively.

[0035] It should be understood that after the insertion rod 23 is inserted into the socket, the electromagnet 37 is energized, thereby generating a pushing force on the magnetic plate, which causes the movable plate 34 to descend. At the same time, the spring 36 is compressed, and the clamping rod 35 presses against the outer wall of the insertion rod 23. This helps to further improve the stability of the insertion rod 23 after it is inserted into the socket, thereby indirectly improving the stability of the car 1 and helping to avoid the situation where there is a gap between the insertion rod 23 and the socket, which can easily cause shaking.

[0036] Furthermore, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0037] Although specific embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to the specific embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An elevator car top service locking device comprising a car (1) and a mounting plate (3), characterized in that: The car (1) is equipped with a limit assembly on the top to limit the car (1). There are two mounting plates (3). The two mounting plates (3) are fixedly installed on the inner walls of both sides of the elevator shaft. A fixing block (31) is fixedly installed on the mounting plate (3). The fixing block (31) has multiple evenly distributed insertion holes. The limiting component includes a square tube (2), with movable rods (21) inserted into the inner cavities at both ends of the square tube (2). An end plate (22) is fixedly connected to the outer end of the movable rod (21), and multiple evenly distributed insert rods (23) are fixedly installed on the outer wall of the end plate (22). A driving component is installed on the square tube (2) to drive the movable rods (21) on both sides to move.

2. An elevator car top service locking device according to claim 1, characterized in that: The drive assembly includes a servo motor (24), which is fixedly installed at the top center of the square tube (2). The drive shaft of the servo motor (24) movably passes through one side wall of the square tube (2) and is fixedly connected to a first bevel gear (25). The outer walls of the first bevel gear (25) are meshed with second bevel gears (27). One end of the second bevel gear (27) is fixedly connected to a screw (26). The inner end of the movable rod (21) is provided with a threaded hole, and the screw (26) is inserted into the threaded hole and threadedly engaged.

3. An elevator car top access locking device according to claim 2, characterized in that: The outer wall of the screw (26) is fitted with a bearing (28), and the outer wall of the bearing (28) is fixedly connected to the inner wall of the square tube (2) by a connecting block.

4. The elevator car top service lockout device of claim 1, wherein: A fixed shell (33) is fixedly installed on the top of the fixed block (31). A movable plate (34) is provided in the inner cavity of the fixed shell (33). An electromagnet (37) is fixedly installed on the top of the inner cavity of the fixed shell (33). A magnet plate is embedded on the top of the movable plate (34). A plurality of evenly distributed abutting rods (35) are fixedly connected to the bottom of the movable plate (34). The abutting rods (35) are inserted through the insertion hole. A spring (36) is fitted on the outer wall of the abutting rod (35). The two ends of the spring (36) are fixedly connected to the movable plate (34) and the inner wall of the fixed shell (33), respectively.

5. The elevator car top service lockout device of claim 1, wherein: The outer end of the insertion rod (23) is provided with a rounded chamfer.

6. The elevator car top service lockout device of claim 1, wherein: Mounting holes (32) are provided at the four corners of the surface of the mounting plate (3).

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