Adjustable elevator maintenance platform

Abstract

The utility model relates to the technical field of elevator maintenance equipment, and discloses an adjustable elevator maintenance platform which comprises a bottom plate, a reinforcing assembly is arranged in the bottom plate, and an extending assembly is arranged at the top of the bottom plate. The reinforcing assembly comprises a partition plate, the partition plate is fixedly installed in the bottom plate, a positive and negative screw rod is rotationally embedded in the partition plate, the two ends of the outer surface of the positive and negative screw rod are rotationally embedded in the bottom plate, and the two sides of the outer surface of the positive and negative screw rod are both sleeved with push plates in a threaded mode; supporting plates are fixedly installed on the sides, away from the partition plate, of the multiple push plates, sliding rods are fixedly installed on the two sides of the outer surface of the partition plate, the multiple sliding rods are slidably embedded in the push plates, and by starting a hydraulic machine, the hydraulic machine drives a fixing disc to move downwards through a hydraulic rod, so that the fixing disc supports the device; and the device is prevented from toppling due to unstable gravity center in the use process.

Description

Technical Field

[0001] The utility model relates to the technical field of elevator maintenance equipment, in particular to an adjustable elevator maintenance platform. Background Art

[0002] An elevator is a convenient device used for vertical transportation of people or goods. It is driven by an electric motor and rises and falls along a fixed track.

[0003] Elevator maintenance lifting platforms are equipment used to repair and maintain elevators. They are usually installed inside the elevator shaft or on the maintenance passage beside the shaft. They provide a safe and convenient working platform, allowing maintenance personnel to easily enter and operate various parts of the elevator for maintenance, repair or installation work.

[0004] China's public patent number: CN218231764U announced "An adjustable platform for elevator maintenance", including two support plates, the two support plates are fixedly installed with limit plates on the opposite sides, the two limit plates are fixedly installed with a lifting platform on the opposite sides, the lifting platform is fixedly installed with a lifter, the two support plates are movably installed with a base on the opposite sides, the top of the base is fixedly installed with a bottom plate, the top of the bottom plate is fixedly installed with a hydraulic box, the top of the hydraulic box is fixedly installed with a hydraulic column, the top of the bottom plate is fixedly installed with two fixed blocks, and the front of the two fixed blocks is movably installed with a support rod. The utility model is set up, and the lifter is set up so that the railing of the lifting platform can be automatically raised and lowered, thereby saving space, and providing protection for the staff to avoid the occurrence of falling accidents. When in use, the double-axis motor is first started to make the double-axis motor start to rotate, and drive the two spiral shafts to rotate at the same time.

[0005] When the prior art is in use, although the handrails of the lifting platform can be automatically raised and lowered by the lifter to save space, the center of gravity of the device will shift and then shake when the maintenance personnel work on the lifting platform. The existing device lacks the necessary fixing device. During use, the device is easy to topple over due to shaking, which has a certain impact on the safety of the maintenance personnel. At the same time, the lifting platform space of the existing device cannot be adjusted, and the maintenance area is relatively narrow. When it is necessary to repair different positions of the elevator, the device needs to be frequently moved, and the use process is relatively cumbersome. Utility Model Content

[0006] The purpose of the utility model is to provide an adjustable elevator maintenance platform to solve the problem that the center of gravity of the device will shift and then shake when the maintenance personnel perform operations on the lifting platform in the above-mentioned background technology, and the existing device lacks the necessary fixing device. During use, the device is easy to topple over due to shaking, which has a certain impact on the safety of the maintenance personnel. At the same time, the lifting platform space of the existing device cannot be adjusted, the maintenance area is relatively narrow, and when it is necessary to repair different positions of the elevator, the device needs to be frequently moved, and the use process is relatively cumbersome.

[0007] In order to solve the above technical problems, the utility model provides the following technical solutions: an adjustable elevator maintenance platform, comprising a bottom plate, a reinforcement component is arranged inside the bottom plate, and an extension component is arranged on the top of the bottom plate;

[0008] The reinforcing assembly includes a partition plate, and the partition plate is fixedly installed inside the bottom plate, a positive and negative screw rod is rotatably embedded inside the partition plate, and both ends of the outer surface of the positive and negative screw rods are rotatably embedded inside the bottom plate, push plates are threadedly sleeved on both sides of the outer surface of the positive and negative screw rods, and a plurality of push plates are fixedly installed on one side away from the partition plate, sliding rods are fixedly installed on both sides of the outer surface of the partition plate, and a plurality of sliding rods are slidably embedded in the inside of the push plate, a plurality of sliding rods are fixedly connected to the bottom plate on one side away from the partition plate, an adjusting motor is fixedly installed on one side of the outer surface of the bottom plate, and the output shaft of the adjusting motor is fixedly connected to the positive and negative screw rods;

[0009] The extension component includes a lifting plate, and a plurality of first guardrails are fixedly installed on the top of the outer surface of the lifting plate, a plurality of support rods are fixedly installed inside the lifting plate, and the outer surfaces of the plurality of support rods are slidably sleeved with extension plates, and the plurality of extension plates are slidably embedded in the interior of the lifting plate, a second guardrail is fixedly installed on the top of the outer surfaces of the plurality of extension plates, and extension rods are fixedly installed on both sides of the outer surfaces of the plurality of second guardrails, and the plurality of extension rods are slidably embedded in the interior of the first guardrail.

[0010] Preferably, a hydraulic press is fixedly installed on one side of the plurality of support plates away from the partition plate, a hydraulic rod is fixedly installed on one side of the outer surface of the plurality of support plates, and a plurality of hydraulic rods are fixedly connected to the hydraulic press on one side close to the support plates.

[0011] Preferably, a fixing plate is fixedly mounted on the bottom of the outer surface of each of the plurality of hydraulic rods, a plurality of support frames are fixedly mounted on the top of the outer surface of the base plate, and a limiting rod is fixedly mounted inside each of the plurality of support frames.

[0012] Preferably, the plurality of limit rods are slidably embedded in the interior of the lifting plate, the lifting rods are rotatably embedded in the interior of the bottom plate, and a turbine is fixedly mounted on the outer surface of the lifting rods close to the bottom.

[0013] Preferably, a worm is meshed on the outer surface of the turbine, and the worm is rotatably embedded in the interior of the base plate, a lifting motor is fixedly mounted on one side of the outer surface of the base plate, and an output shaft of the lifting motor is fixedly connected to the worm.

[0014] Preferably, the lifting rod is rotatably embedded in one of the support frames at one side away from the worm, the lifting plate is threadedly sleeved on the outer surface of the lifting rod at one side close to the lifting motor, and a plurality of limit grooves are provided inside the lifting plate.

[0015] Preferably, the tops of the outer surfaces of the multiple extension plates are fixedly mounted with limit blocks, and the multiple limit blocks are slidably embedded in the limit grooves, and the bottom of the outer surface of the base plate is fixedly mounted with multiple moving wheels.

[0016] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0017] First, the utility model starts the adjusting motor, and the adjusting motor drives the positive and negative screws to rotate. The positive and negative screws can drive the push plate to move in opposite directions while rotating. Since the push plate is connected to the support plate, the push plate can drive the support plate to move when it moves. After the support plate moves to a suitable position, the hydraulic press can be started. The hydraulic press drives the fixed plate to move downward through the hydraulic rod, so that the fixed plate supports the device to prevent the device from tipping over due to unstable center of gravity during use. After use, the adjusting motor can be started again to reverse the adjusting motor to recycle the support plate to reduce the area occupied by the device.

[0018] Second, the utility model pushes the second guardrail outward so that the second guardrail drives the extension plate to slide on the surface of the support rod. At this time, the extension plate can extend outward, and the extension width of the extension plate can be adjusted according to usage requirements to facilitate construction. A limiting block is installed on the top of the extension plate, and the limiting block is embedded in the inside of the limiting groove. The extension plate is limited by the cooperation of the limiting block and the limiting groove to prevent the extension plate from falling off during the sliding process. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model from a side view;

[0020] Figure 2 It is a schematic diagram of the internal three-dimensional structure of part of the utility model;

[0021] Figure 3 This is a schematic diagram of the internal three-dimensional structure of the reinforcement component of the utility model;

[0022] Figure 4 It is a schematic diagram of the internal three-dimensional structure of the extension component of the utility model.

[0023] Among them: 1. bottom plate; 2. partition plate; 201. forward and reverse screw rods; 202. sliding rod; 203. push plate; 204. support plate; 205. adjustment motor; 3. lifting plate; 301. first guardrail; 302. support rod; 303. extension plate; 304. second guardrail; 305. extension rod; 4. hydraulic press; 5. hydraulic rod; 6. fixed plate; 7. lifting motor; 8. support frame; 9. limit rod; 10. lifting rod; 11. limit block; 12. turbine; 13. worm; 14. limit slot; 15. moving wheel. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-4 , an adjustable elevator maintenance platform, comprising a bottom plate 1, a reinforcement component is arranged inside the bottom plate 1, and an extension component is arranged on the top of the bottom plate 1;

[0026] The reinforcement component includes a partition plate 2, and the partition plate 2 is fixedly installed inside the bottom plate 1, a positive and negative screw rod 201 is rotatably embedded inside the partition plate 2, and both ends of the outer surface of the positive and negative screw rod 201 are rotatably embedded inside the bottom plate 1, both sides of the outer surface of the positive and negative screw rod 201 are threadedly sleeved with push plates 203, and a plurality of push plates 203 are fixedly installed with support plates 204 on one side away from the partition plate 2, and sliding rods 202 are fixedly installed on both sides of the outer surface of the partition plate 2, and a plurality of sliding rods 202 are slidably embedded inside the push plates 203, and a plurality of sliding rods 202 are fixedly connected to the bottom plate 1 on one side of the outer surface of the bottom plate 1, and an adjusting motor 205 is fixedly installed on one side of the outer surface of the bottom plate 1, and the output shaft of the adjusting motor 205 is fixedly connected to the positive and negative screw rod 201;

[0027] The extension component includes a lifting plate 3, and a plurality of first guardrails 301 are fixedly installed on the top of the outer surface of the lifting plate 3, a plurality of support rods 302 are fixedly installed inside the lifting plate 3, and the outer surfaces of the plurality of support rods 302 are slidably sleeved with extension plates 303, and the plurality of extension plates 303 are slidably embedded in the interior of the lifting plate 3, a second guardrail 304 is fixedly installed on the top of the outer surfaces of the plurality of extension plates 303, and extension rods 305 are fixedly installed on both sides of the outer surfaces of the plurality of second guardrails 304, and the plurality of extension rods 305 are slidably embedded in the interior of the first guardrail 301.

[0028] Through the above technical solution, when the device needs to be fixed, the adjusting motor 205 can be started, and the adjusting motor 205 drives the forward and reverse screw rods 201 to rotate. The forward and reverse screw rods 201 can drive the push plate 203 to move in opposite directions while rotating. Since the push plate 203 is connected to the support plate 204, the push plate 203 can drive the support plate 204 to move when it moves. After the support plate 204 moves to a suitable position, the hydraulic press 4 can be started. The hydraulic press 4 drives the fixed plate 6 to move downward through the hydraulic rod 5, so that the fixed plate 6 supports the device to prevent the device from tipping over due to unstable center of gravity during use. After use, the adjusting motor 205 can be started again to reverse the adjusting motor 205 to recycle the support plate 204 to reduce the area occupied by the device.

[0029] Through the above technical solution, when it is necessary to expand the working area of ​​the lifting plate 3, the second guardrail 304 can be pushed outward so that the second guardrail 304 drives the extension plate 303 to slide on the surface of the support rod 302. At this time, the extension plate 303 can be extended outward, and the extension width of the extension plate 303 can be adjusted according to usage requirements to facilitate construction. A limiting block 11 is installed on the top of the extension plate 303, and the limiting block 11 is embedded in the limiting groove 14. The extension plate 303 is limited by the cooperation of the limiting block 11 and the limiting groove 14 to prevent the extension plate 303 from falling off during the sliding process.

[0030] Specifically, a hydraulic press 4 is fixedly installed on one side of the support plates 204 away from the partition plate 2, a hydraulic rod 5 is fixedly installed on one side of the outer surface of the support plates 204, and a side of the hydraulic rod 5 close to the support plates 204 is fixedly connected to the hydraulic press 4.

[0031] Through the above technical solution, the hydraulic machine 4 controls the hydraulic rod 5 to extend or retract.

[0032] Specifically, a fixing plate 6 is fixedly installed on the bottom of the outer surface of the plurality of hydraulic rods 5 , a plurality of support frames 8 are fixedly installed on the top of the outer surface of the bottom plate 1 , and a limiting rod 9 is fixedly installed inside the plurality of support frames 8 .

[0033] Through the above technical solution, the hydraulic rod 5 drives the fixed plate 6 to move downward, so that the fixed plate 6 is in contact with the ground to support the device to prevent the device from tipping over during use. The support frame 8 supports the limit rod 9, and the limit rod 9 limits the lifting plate 3 line to prevent the lifting plate 3 from shifting in position during the lifting process.

[0034] Specifically, a plurality of limit rods 9 are slidably embedded in the lifting plate 3 , a lifting rod 10 is rotatably embedded in the bottom plate 1 , and a turbine 12 is fixedly mounted on the outer surface of the lifting rod 10 near the bottom.

[0035] Through the above technical solution, the lifting plate 3 is limited by the limiting rod 9, the turbine 12 rotates to drive the lifting rod 10 to rotate, and the lifting rod 10 rotates to drive the lifting plate 3 to rise or fall.

[0036] Specifically, a worm 13 is meshed on the outer surface of the turbine 12 , and the worm 13 is rotatably embedded in the interior of the base plate 1 . A lifting motor 7 is fixedly mounted on one side of the outer surface of the base plate 1 , and the output shaft of the lifting motor 7 is fixedly connected to the worm 13 .

[0037] Through the above technical solution, the lifting motor 7 drives the worm 13 to rotate, so that the worm 13 drives the turbine 12 to rotate.

[0038] Specifically, the side of the lifting rod 10 away from the worm 13 is rotatably embedded in one side of the support frame 8, and the side of the lifting plate 3 close to the lifting motor 7 is threadedly sleeved on the outer surface of the lifting rod 10, and a plurality of limit grooves 14 are opened inside the lifting plate 3.

[0039] Through the above technical solution, the lifting rod 10 supports the top of the support frame 8, the lifting plate 3 is lifted and lowered by the rotation of the lifting rod 10, and the limiting groove 14 limits the limiting block 11.

[0040] Specifically, the top of the outer surface of the plurality of extension plates 303 is fixedly mounted with a limiting block 11 , and the plurality of limiting blocks 11 are slidably embedded in the limiting groove 14 , and the bottom of the outer surface of the base plate 1 is fixedly mounted with a plurality of moving wheels 15 .

[0041] Through the above technical solution, the extension plate 303 is limited by the cooperation of the limit block 11 and the limit groove 14, so that the extension plate 303 can only move in a specific area to prevent it from falling when sliding, and the moving wheel 15 facilitates moving the device to a suitable position.

[0042] During use, when the device needs to be fixed, the adjusting motor 205 can be started, and the adjusting motor 205 drives the forward and reverse screw rods 201 to rotate. The forward and reverse screw rods 201 can drive the push plate 203 to move in opposite directions while rotating. Since the push plate 203 is connected to the support plate 204, the push plate 203 can drive the support plate 204 to move when it moves. After the support plate 204 moves to a suitable position, the hydraulic press 4 can be started. The hydraulic press 4 drives the fixed plate 6 to move downward through the hydraulic rod 5, so that the fixed plate 6 supports the device to prevent the device from tipping over due to unstable center of gravity during use. After use, the adjusting motor 205 can be started again to reverse the adjusting motor 205 to recycle the support plate 204 to reduce the area occupied by the device. After fixing is completed, the lifting motor can be started 7. The lifting motor 7 drives the turbine 12 to rotate through the worm gear 13, so that the turbine 12 drives the lifting rod 10 to rotate to lift the lifting plate 3. The height of the lifting plate 3 can be adjusted by controlling the lifting motor 7 according to the use requirements. When it is necessary to expand the working area of ​​the lifting plate 3, the second guardrail 304 can be pushed outward so that the second guardrail 304 drives the extension plate 303 to slide on the surface of the support rod 302. At this time, the extension plate 303 can be extended outward. The extension width of the extension plate 303 can be adjusted according to the use requirements to facilitate construction. A limiting block 11 is installed on the top of the extension plate 303. The limiting block 11 is embedded in the limiting groove 14. The limiting block 11 and the limiting groove 14 cooperate to limit the extension plate 303 to prevent the extension plate 303 from falling off during the sliding process.

[0043] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit thereof, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An adjustable elevator maintenance platform, comprising a bottom plate (1), characterized in that: A reinforcement component is arranged inside the bottom plate (1), and an extension component is arranged on the top of the bottom plate (1); The reinforcement component comprises a partition plate (2), and the partition plate (2) is fixedly mounted inside the base plate (1); a forward and reverse screw rod (201) is rotatably embedded inside the partition plate (2), and both ends of the outer surface of the forward and reverse screw rod (201) are rotatably embedded inside the base plate (1); push plates (203) are threadedly sleeved on both sides of the outer surface of the forward and reverse screw rod (201), and a plurality of push plates (203) are fixedly mounted with support plates (204) on one side away from the partition plate (2); sliding rods (202) are fixedly mounted on both sides of the outer surface of the partition plate (2), and a plurality of sliding rods (202) are slidably embedded inside the push plates (203), and a plurality of sliding rods (202) are fixedly connected to the base plate (1) on one side of the outer surface of the base plate (1); an adjusting motor (205) is fixedly mounted on one side of the outer surface of the base plate (1), and the output shaft of the adjusting motor (205) is fixedly connected to the forward and reverse screw rod (201); The extension component comprises a lifting plate (3), and a plurality of first guardrails (301) are fixedly installed on the top of the outer surface of the lifting plate (3), a plurality of support rods (302) are fixedly installed inside the lifting plate (3), and the outer surfaces of the plurality of support rods (302) are slidably sleeved with extension plates (303), and the plurality of extension plates (303) are slidably embedded in the interior of the lifting plate (3), a second guardrail (304) is fixedly installed on the top of the outer surfaces of the plurality of extension plates (303), and extension rods (305) are fixedly installed on both sides of the outer surfaces of the plurality of second guardrails (304), and the plurality of extension rods (305) are slidably embedded in the interior of the first guardrail (301).

2. The adjustable elevator maintenance platform according to claim 1, characterized in that: A hydraulic press (4) is fixedly mounted on one side of the plurality of support plates (204) away from the partition plate (2), a hydraulic rod (5) is fixedly mounted on one side of the outer surface of the plurality of support plates (204), and a hydraulic rod (5) is fixedly mounted on one side of the plurality of support plates (204), and a hydraulic rod (5) is fixedly connected to the hydraulic press (4) on one side close to the support plate (204).

3. The adjustable elevator maintenance platform according to claim 2, characterized in that: A fixing plate (6) is fixedly mounted on the bottom of the outer surface of each of the plurality of hydraulic rods (5), a plurality of support frames (8) are fixedly mounted on the top of the outer surface of the base plate (1), and a limiting rod (9) is fixedly mounted inside each of the plurality of support frames (8).

4. The adjustable elevator maintenance platform according to claim 3, characterized in that: The plurality of limit rods (9) are all slidably embedded in the interior of the lifting plate (3); a lifting rod (10) is rotatably embedded in the interior of the bottom plate (1); and a turbine (12) is fixedly mounted on the outer surface of the lifting rod (10) close to the bottom.

5. The adjustable elevator maintenance platform according to claim 4, characterized in that: The outer surface of the turbine (12) is meshed with a worm (13), and the worm (13) is rotatably embedded in the interior of the base plate (1). A lifting motor (7) is fixedly mounted on one side of the outer surface of the base plate (1), and the output shaft of the lifting motor (7) is fixedly connected to the worm (13).

6. The adjustable elevator maintenance platform according to claim 4, characterized in that: The side of the lifting rod (10) away from the worm gear (13) is rotatably embedded in one of the support frames (8), and the side of the lifting plate (3) close to the lifting motor (7) is threadedly sleeved on the outer surface of the lifting rod (10), and a plurality of limiting grooves (14) are provided inside the lifting plate (3).

7. The adjustable elevator maintenance platform according to claim 1, characterized in that: A limiting block (11) is fixedly mounted on the top of the outer surface of the plurality of extension plates (303), and the plurality of limiting blocks (11) are slidably embedded in the interior of the limiting groove (14), and a plurality of moving wheels (15) are fixedly mounted on the bottom of the outer surface of the base plate (1).

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