Elevator maintenance device for lift car

Abstract

The utility model discloses an elevator maintenance device for a lift car, and relates to the technical field of elevator maintenance, the elevator maintenance device for the lift car comprises a base, a motor is fixed on the top of the bottom wall of the base, a clutch piece is arranged at the output end of a contraction motor, an air cylinder is arranged on one side of the contraction clutch piece, and a moving piece is arranged on the other side of the contraction clutch piece. The retractable moving part is arranged on the retractable clutch part, wheels are arranged on the two sides of the retractable moving part, a lifting part is arranged on the side, opposite to the moving part, of the retractable clutch part, and a lifting plate is arranged on the inner side of the retractable lifting part. And each height position of the elevator can be easily reached.

Description

TECHNICAL FIELD

[0001] The utility model relates to elevator maintenance technical field, concretely is a car elevator maintenance device. BACKGROUND

[0002] The car elevator maintenance device plays a vital role in elevator maintenance work, greatly improves the safety, efficiency and quality of maintenance, in the safety guarantee aspect, the device is equipped with safety lock, guardrail and other facilities, can effectively prevent the maintenance personnel from falling from a great height, electric shock and other dangerous situations when operating on the top or inside the car, builds a strong defense line for the personal safety of the maintenance personnel, the operation convenience, it provides the lighting device, ensures that the maintenance area is light enough, the maintenance personnel can clearly check the component condition, the tool storage area or the suspension device is convenient for the maintenance personnel to take the tool at any time, greatly improves the maintenance efficiency, accurate debugging is also one of its important functions, the level meter, range finder and other instruments equipped on the device can help the maintenance personnel accurately adjust the levelness, perpendicularity of the car and the distance between each part, let the elevator run more smoothly, improve the passenger's ride comfort, when troubleshooting, its detection function can detect the electrical, control and mechanical parts of the elevator, and display the relevant data and running state in real time, so that the maintenance personnel can quickly locate the fault point, analyze the fault reason and save the troubleshooting time.

[0003] The utility model discloses a car elevator maintenance chair belongs to elevator maintenance technical field, this application has the effect of improving the safety of elevator maintenance chair.

[0004] The utility model discloses a car elevator maintenance chair belongs to elevator maintenance technical field, this application has the effect of improving the safety of elevator maintenance chair.

[0005] The existing technology of motor is mainly used to drive the device to move, which is single and inconvenient to adjust the height according to the working height and the height of the maintenance personnel. When the maintenance personnel reaches the maintenance point of different heights of the elevator, there is a lack of convenient height adjustment function, and only other auxiliary tools can be used. This not only increases the time of positioning to the specific maintenance point, but also causes the maintenance work to be interrupted due to frequent climbing of the equipment and re-building of the climbing tool during the maintenance process, which makes it difficult to maintain continuity. The inconvenient height adjustment makes it difficult for the maintenance personnel to accurately align the operation part with the maintenance point, which may cause deviation in maintenance operation and affect the maintenance quality. In case of emergency, the height cannot be adjusted quickly to avoid danger or perform emergency treatment, which delays the emergency opportunity and expands the dangerous consequences. UTILITY MODEL CONTENTS

[0006] The utility model discloses a purpose lies in providing a lift maintenance device for car, can solve the single function of motor in the prior art, the technical problem of inconvenient height adjustment.

[0007] To realize above-mentioned purpose, the utility model provides following technical scheme: a lift maintenance device for car, including base, the bottom wall top of base is fixed with motor, the output of retracting motor is provided with clutch piece, the one side of retracting clutch piece is provided with pneumatic cylinder, the other side of retracting clutch piece is provided with moving piece, the both sides of retracting moving piece are provided with wheel, the one side of the base close to the wheel is provided with fixed plate, the top of fixed plate is fixed with two side plates, and the both ends of one side plate are rotatably connected with door plate, and two door plates are all through bolt joint in another side plate inside, and the one side of two side plates close is fixed with safety lever.

[0008] Further, the clutch piece includes a bracket, the bracket is fixed to the top of the bottom wall of the base, the inner side of the bracket is rotatably connected with a driving shaft, one end of the driving shaft is fixedly connected with the output end of the motor, the inner walls of the two sides of the bracket are rotatably connected with clutch gears, the outer side of the driving shaft is slidably connected with a clutch rod, and the clutch rod is located inside one of the clutch gears.

[0009] Further, the pneumatic cylinder is fixed to one side of the opening of the bracket, and the clutch rod is rotatably connected to the output end of the pneumatic cylinder through a connecting member.

[0010] Further, the moving piece includes a round rod, the round rod is rotatably connected to the top of the bottom wall of the base, and the round rod is located on one side of the bracket, one end of the round rod is fixedly connected with a traveling gear, the traveling gear is engaged with the clutch gears on the outer side of the clutch rod, one side of the base is rotatably connected with a rotating shaft, the outer sides of the rotating shaft and the round rod are fixedly connected with long gears, the outer sides of the two long gears are connected with a toothed belt, two wheels are fixed to the two ends of the rotating shaft, and the bottom of the base is fixed with two universal wheels.

[0011] Further, the lifting plate includes a connecting rod, the connecting rod is fixed to the top of the bottom wall of the base, and the connecting rod is located on the side of the bracket away from the round rod, the middle part of the connecting rod is fixedly connected with a lifting gear, the two ends of the connecting rod are fixedly connected with bevel gears, the bottom of the base is rotatably connected with two threaded rods, the bottom ends of the two threaded rods are fixedly connected with bevel gears, the bevel gears are engaged, and the lifting plate is connected to the outer sides of the two threaded rods through threads.

[0012] Further, the two sides of the base close to the wheels are fixed with fixed plates, the top ends of the two threaded rods are rotatably connected to the sides close to the two fixed plates, the top of the lifting plate is fixed with two side plates, the two ends of one side plate are rotatably connected with door plates, the two door plates are both bolted to the inner side of another side plate, and the sides close to the two side plates are fixed with safety rods.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1、The utility model discloses a motor, cylinder and clutch spare are installed, and clutch spare is in accordance with the flexible control of motor power transmission of the telescopic cylinder, can according to different work scene and task demand, accurately open or cut off power, let the controllability and adaptability of system greatly promote, secondly, the collocation of moving part and lifting piece, give equipment mobile and lift dual function, realize one machine multi -use, greatly improve the versatility and practicality of equipment, reduce equipment cost and space occupation simultaneously, clutch spare can cut off power rapidly when abnormal situation occurs, provide the guarantee for equipment and personnel safety, and the safety protection device of lifting piece also further enhances the security of operation.

[0015] 2、The utility model discloses a moving part and lifting piece are installed, in the elevator maintenance work, on one hand, the lifting function of lifting piece drives the lifting plate to adjust height according to the operation height and the height of maintenance personnel, can easily reach each height position of elevator, replaces the traditional complex climbing equipment, makes the maintenance work more convenient and efficient. On the other hand, moving part drives the wheel rotation, makes the maintenance device have the flexible moving ability, and maintenance personnel can move the lifting plate according to the elevator fault position quickly, saves a large amount of time and manpower cost, improves the mobility and response speed of maintenance. In addition, maintenance personnel stand on the stable lifting plate and work, and the safety risk is reduced greatly, and the power cut -off function of clutch spare also provides additional safety guarantee for maintenance personnel, effectively improves the maintenance quality, ensures the stable operation and safety of elevator. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the three -dimensional structure schematic diagram of the utility model;

[0017] Figure 2 It is the cross section schematic diagram of the utility model;

[0018] Figure 3 It is the three -dimensional structure schematic diagram of the motor of the utility model;

[0019] Figure 4 It is the support section structure schematic diagram of the utility model.

[0020] In the figure: 1, base; 2, motor; 3, moving piece; 31, round rod; 32, rotating shaft; 33, long gear; 34, toothed belt; 35, traveling gear; 4, clutch piece; 41, support; 42, clutch gear; 43, driving shaft; 44, clutch rod; 5, air cylinder; 6, wheel; 7, universal wheel; 8, lifting piece; 81, connecting rod; 82, lifting gear; 83, bevel gear one; 84, bevel gear two; 85, threaded rod; 9, lifting plate; 10, side plate; 11, door plate; 12, bolt; 13, safety rod; 14, fixed plate. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] In the description of the utility model, it should be explained that the directions or position relations indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end" and "another end" are the directions or position relations shown in the drawings, which are only for the convenience of describing the utility model and simplifying the description, and cannot be understood as the restriction on the utility model that the indicated devices or elements must have a specific direction, be constructed and operated in a specific direction. Therefore, it cannot be understood as the restriction on the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0023] In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be understood in a broad sense. For example, "connection" can be fixed connection, can be detachable connection, or integral connection; can be mechanical connection, can be electrical connection; can be direct connection, can be indirect connection through an intermediate medium, or can be the communication between two elements. Those skilled in the art can understand the specific meaning of the above terms in the utility model according to the specific circumstances.

[0024] Please refer to Figure 1 - Figure 4The utility model provides a kind of car elevator maintenance device, including base 1, the bottom wall top of base 1 is fixed with motor 2, the output end of retraction motor 2 is provided with clutch 4, one side of retraction clutch 4 is provided with cylinder 5, the other side of retraction clutch 4 is provided with moving piece 3, the both sides of retraction moving piece 3 are provided with wheel 6, the side of retraction clutch 4 where moving piece 3 is located is provided with lifting piece 8, the inner side of retraction lifting piece 8 is provided with lifting plate 9;Clutch 4 is assembled to the power of motor 2 is conducted to moving piece 3 or lifting piece 8 by the extension and retraction of cylinder 5, clutch 4 includes support 41, support 41 is fixed to the bottom wall top of base 1, the inner side of support 41 is rotatably connected with driving shaft 43, one end of driving shaft 43 is fixedly connected with the output end of motor 2, the inner wall of the both sides of support 41 is rotatably connected with clutch gear 42, the outer side of driving shaft 43 is slidably connected with clutch rod 44, clutch rod 44 is located in the inner side of one of clutch gear 42, cylinder 5 is fixed to the side of the aperture of support 41, and clutch rod 44 is rotatably connected to the output end of cylinder 5 by connecting component.

[0025] In the embodiment, the output end of cylinder 5 is moved to the second position point by staff, in the process, the output end of cylinder 5 drives clutch rod 44 to move out from the inner side of one of clutch gear 42 by connecting component, when the output end of cylinder 5 is moved to the second position point, clutch rod 44 is completely moved out from the inner side of one of clutch gear 42, and the clamping of one of clutch gear 42 is released, then staff controls motor 2 to rotate, and driving shaft 43 is restored to the original position, then the output end of cylinder 5 is moved to the third position point by staff, in the process, the output end of cylinder 5 drives clutch rod 44 to move into the inner side of the other clutch gear 42 by connecting component, when the output end of cylinder 5 is moved to the third position point, clutch rod 44 is completely moved into the inner side of the other clutch gear 42, and the clamping of the other clutch gear 42 is realized.

[0026] Specifically, moving piece 3 is assembled to drive wheel 6 to rotate, moving piece 3 includes round rod 31, round rod 31 is rotatably connected to the bottom wall top of base 1, and round rod 31 is located at the side of support 41, one end of round rod 31 is fixed with travel gear 35, and travel gear 35 and the clutch gear 42 on the outer side of clutch rod 44 are engaged, one side of base 1 is rotatably connected with rotating shaft 32, rotating shaft 32 and the outer side of round rod 31 are both fixed with long gear 33, the outer sides of two long gears 33 are connected with toothed belt 34, two wheels 6 are fixed to the both ends of rotating shaft 32, two universal wheels 7 are fixed to the bottom of base 1.

[0027] In the embodiment, the staff starts the motor 2 according to the actual working condition, the output end of the motor 2 drives the driving shaft 43 to rotate, the driving shaft 43 drives the clutch rod 44 to rotate, the clutch rod 44 drives the clutch gear 42 outside to rotate, the clutch gear 42 drives the traveling gear 35 to rotate, the traveling gear 35 drives the round rod 31 to rotate, the round rod 31 drives the rotating shaft 32 to rotate through the two long gears 33 and the toothed belt 34, the rotating shaft 32 drives the two wheels 6 to rotate, and the two wheels 6 drive the device to move through the friction with the ground, and at the same time, the staff changes the moving direction of the device by pulling the door plate 11 close to the universal wheel 7, and then moves the device to the inside of the elevator car, and then the staff turns off the motor 2, locks the two universal wheels 7, and fixes the device to the inside of the car for later maintenance.

[0028] Specifically, the lifting piece 8 is assembled to drive the lifting plate 9 to rise or fall, the lifting plate 9 includes a connecting rod 81 fixed to the top of the bottom wall of the base 1 and located away from the side of the round rod 31 of the support 41, the middle part of the connecting rod 81 is fixed with a lifting gear 82, and both ends of the connecting rod 81 are fixed with bevel gears one 83, the bottom of the base 1 is rotatably connected with two threaded rods 85, the bottom ends of the two threaded rods 85 are fixed with bevel gears two 84, the bevel gears one 83 and the bevel gears two 84 are engaged, and the lifting plate 9 is connected outside the two threaded rods 85 through threads.

[0029] In the embodiment, the staff starts the motor 2 in the forward direction, the output end of the motor 2 drives the driving shaft 43 to rotate in the forward direction, the driving shaft 43 drives the clutch rod 44 to rotate in the forward direction, the clutch rod 44 drives the clutch gear 42 outside to rotate in the forward direction, the clutch gear 42 drives the lifting gear 82 to rotate in the forward direction, the lifting gear 82 drives the transmission rod to reverse, the transmission rod drives the two threaded rods 85 to rotate in the forward direction through the two bevel gears one 83 and the two bevel gears two 84, and the two threaded rods 85 drive the lifting plate 9 to move away from the base 1.

[0030] The motor 2 is started in the reverse direction, the output end of the motor 2 drives the driving shaft 43 to reverse, the driving shaft 43 drives the clutch rod 44 to reverse, the clutch rod 44 drives the clutch gear 42 outside to reverse, the clutch gear 42 drives the lifting gear 82 to reverse, the lifting gear 82 drives the transmission rod to reverse, the transmission rod drives the two threaded rods 85 to reverse through the two bevel gears one 83 and the two bevel gears two 84, and the two threaded rods 85 drive the lifting plate 9 to move to the side close to the base 1.

[0031] Specifically, the base 1 is fixed with a fixed plate 14 near both sides of the wheels 6, the top ends of two threaded rods 85 are rotatably connected to one side of the two fixed plates 14, and the top of the lifting plate 9 is fixed with two side plates 10, both ends of one of the side plates 10 are rotatably connected with a door plate 11, both door plates 11 are clamped on the inner side of the other side plate 10 through a latch 12, and one side of the two side plates 10 near each other is fixed with a safety lever 13.

[0032] In this embodiment, the worker can remove the latch 12 from the inner side of the door plate 11 and the side plate 10, release the restriction on the door plate 11, then stand on the top of the lifting plate 9, then insert the latch 12 into the inner side of the door plate 11 and the side plate 10 after restoring the door plate 11 to its original position, clamp the safety belt and the safety lever 13, and finally the worker adjusts the height of the lifting plate 9 by controlling the motor 2 to rotate forward and reverse, thereby matching and repairing the worker.

[0033] Working principle: Before using the device, the worker should check whether the device has any problems that affect use, start the motor 2 according to the actual working condition, drive the device to move through the friction between the two wheels 6 and the ground, change the moving direction of the device by pulling the door plate 11 close to the universal wheel 7, and then move the device to the inner side of the elevator car, then the worker turns off the motor 2 and locks the two universal wheels 7.

[0034] The worker controls the output end of the cylinder 5 to move to the second position point, the clutch rod 44 is completely removed from the inner side of one of the clutch gears 42, the clamping with one of the clutch gears 42 is released, then the worker controls the motor 2 to rotate and restores the driving shaft 43 to its original position, then the worker controls the output end of the cylinder 5 to move to the third position point, the clutch rod 44 is completely removed from the inner side of the other clutch gear 42, the clutch rod 44 is clamped with the other clutch gear 42, in the process, the worker can remove the latch 12 from the inner side of the door plate 11 and the side plate 10, release the restriction on the door plate 11, then stand on the top of the lifting plate 9, then insert the latch 12 into the inner side of the door plate 11 and the side plate 10 after restoring the door plate 11 to its original position, clamp the safety belt and the safety lever 13, and finally the worker adjusts the height of the lifting plate 9 by controlling the motor 2 to rotate forward and reverse, thereby matching and repairing the worker.

[0035] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A car elevator maintenance device comprising a base (1), characterized in that: The bottom wall top of the base (1) is fixed with a motor (2), the output end of the motor (2) is provided with a clutch (4), one side of the clutch (4) is provided with a pneumatic cylinder (5), the other side of the clutch (4) is provided with a moving piece (3), both sides of the moving piece (3) are provided with wheels (6), the side of the clutch (4) opposite to the moving piece (3) is provided with a lifting piece (8), the inner side of the lifting piece (8) is provided with a lifting plate (9); The clutch (4) is assembled to transmit the power of the motor (2) to the moving piece (3) or the lifting piece (8) through the extension and contraction of the pneumatic cylinder (5); The moving piece (3) is assembled to drive the wheels (6) to rotate; The lifting piece (8) is assembled to drive the lifting plate (9) to rise or lower.

2. A car elevator maintenance device according to claim 1, characterized in that: The clutch (4) comprises a bracket (41) fixed to the bottom wall top of the base (1), the inner side of the bracket (41) is rotatably connected with a driving shaft (43), one end of the driving shaft (43) is fixedly connected with the output end of the motor (2), both inner walls of the bracket (41) are rotatably connected with clutch gears (42), the outer side of the driving shaft (43) is slidably connected with a clutch rod (44), and the clutch rod (44) is located on the inner side of one of the clutch gears (42).

3. A car elevator service device according to claim 2, characterized in that: The pneumatic cylinder (5) is fixed to one side of the opening of the bracket (41), and the clutch rod (44) is rotatably connected to the output end of the pneumatic cylinder (5) through a connecting part.

4. A car elevator maintenance device according to claim 3, characterized in that: The moving piece (3) comprises a round rod (31) rotatably connected to the bottom wall top of the base (1), and the round rod (31) is located on one side of the bracket (41), one end of the round rod (31) is fixed with a traveling gear (35), the traveling gear (35) is engaged with the clutch gear (42) on the outer side of the clutch rod (44), one side of the base (1) is rotatably connected with a rotating shaft (32) penetrating through, the outer sides of the rotating shaft (32) and the round rod (31) are fixed with long gears (33), the outer sides of the two long gears (33) are connected with a toothed belt (34), and two wheels (6) are fixed to the two ends of the rotating shaft (32). The bottom of the base (1) is fixed with two universal wheels (7).

5. A car elevator service device according to claim 4, characterized in that: The lifting plate (9) comprises a connecting rod (81) fixed to the bottom wall top of the base (1), and the connecting rod (81) is located on the side of the bracket (41) away from the round rod (31), the middle part of the connecting rod (81) is fixed with a lifting gear (82), both ends of the connecting rod (81) are fixed with bevel gears (83), the bottom of the base (1) is rotatably connected with two threaded rods (85) penetrating through, the bottom ends of the two threaded rods (85) are fixed with bevel gears (84), the bevel gears (83) and the bevel gears (84) are engaged, and the lifting plate (9) is connected to the outer sides of the two threaded rods (85) through threads.

6. A car elevator service device according to claim 5, characterized in that: The base (1) is fixed with fixed plates (14) near two sides of the wheel (6), the top ends of two threaded rods (85) are rotatably connected to the sides near the two fixed plates (14) respectively, the top of the lifting plate (9) is fixed with two side plates (10), both ends of one side plate (10) are rotatably connected with door plates (11), the two door plates (11) are clamped in the inner side of the other side plate (10) through a latch (12), and the sides near the two side plates (10) are fixed with safety rods (13).

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