CN221739614U - Elevator maintenance device - Google Patents

Abstract

The utility model discloses an elevator maintenance device, in particular to the field of elevator maintenance, which comprises a maintenance vehicle, wherein a protection mechanism for elevator maintenance staff is arranged in the maintenance vehicle, and the protection mechanism comprises a supporting side plate, a maintenance platform, a protective fence, a movable door, a limiting block, an adjusting block, a rotating shaft, a motor box, a sliding block and a sliding groove. According to the utility model, the protection mechanism is arranged to improve the protection of maintenance staff, the maintenance vehicle is moved to a designated elevator maintenance area through the universal wheels, so that the staff enters the maintenance platform through opening the movable door, the movable door is closed and fixed through the limiting block, namely, the motor in the motor box is controlled to drive the rotating shaft to rotate, the adjusting block is lifted along the outer side of the rotating shaft, the maintenance platform is adjusted according to the maintenance height, the flexibility of the device is improved, meanwhile, the sliding block slides along the inside of the sliding groove, and the lifting stability of the maintenance platform is improved, so that the protection effect on the maintenance staff is improved.

Description

Elevator maintenance device

Technical Field

The utility model relates to the field of elevator maintenance, and more specifically, to an elevator maintenance device.

Background Art

An elevator is a permanent transportation device that serves several specific floors in a building, with its car running on at least two rows of rigid rails that are perpendicular to the horizontal plane or inclined at an angle of less than 15° to the plumb line. There are also step-type ones, with the treads mounted on tracks and running continuously, commonly known as escalators or moving walkways. It is a fixed lifting device that serves specified floors. A vertical elevator has a car that runs between at least two rows of rigid rails that are perpendicular or inclined at an angle of less than 15°. The size and structure of the car facilitate passengers to enter and exit or load and unload goods. It is customary to use elevators as a general term for vertical transportation vehicles in buildings, regardless of their driving mode. According to speed, they can be divided into low-speed elevators (below 4 meters/second), fast elevators (4 to 12 meters/second) and high-speed elevators (above 12 meters/second);

After searching, the existing patent (Announcement No.: CN219297101U) discloses an elevator maintenance device, including a base, the upper end surface of the base and both sides are fixed with support plates, the inner wall of the support plate is provided with a square groove, the inside of the square groove is rotatably provided with a lead screw, the other end of the lead screw is rotatably mounted with the base, the upper end surface of the support plate is fixed with a motor, the output end of the motor is fixedly connected with the lead screw, the inside of the square groove is provided with a moving block, the upper end surface of the moving block is provided with a threaded hole, the threaded hole is threadedly mounted with the lead screw, the outer wall of the moving block is fixed with a load-bearing plate, the upper end surface of the load-bearing plate and the middle position of the two moving blocks are provided with a maintenance platform, the maintenance platform and the load-bearing plate are fixedly installed with bolts, the user can turn on the motor to rotate the lead screw, and then drive the moving block and the maintenance platform to move up and down, so as to facilitate the maintenance of the elevator in the shaft of different depths. In the process of realizing the utility model, the inventor found that the prior art has the following problems:

When the existing elevator maintenance device is used in the later stage, since the depths of the elevator pit bottoms of elevator shafts at different heights are also different, it is necessary to lift the maintenance platform to perform maintenance on the elevator shafts at different heights. However, the existing maintenance device has a poor protective effect on the maintenance workers, which causes the maintenance platform to shake easily during the lifting or moving process, causing danger to the crew members and reducing the practicality of the device. Therefore, a protective mechanism is added to improve the protection effect on the workers.

Therefore, in view of the above problems, an elevator maintenance device is proposed.

Utility Model Content

In order to overcome the above defects of the prior art, the utility model provides an elevator maintenance device to solve the problems raised in the above background technology.

To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an elevator maintenance device, including a maintenance vehicle, wherein a protective mechanism for elevator maintenance personnel is installed inside the maintenance vehicle, and the protective mechanism includes a supporting side plate, a maintenance platform, a guardrail, a movable door, a limit block, an adjustment block, a rotating shaft, a motor box, a slider, a slide groove, a bottom plate, a buffer plate, a groove, and a spring column;

A supporting side panel is fixedly installed on one side of the top of the maintenance vehicle, a maintenance platform is nested and installed on one side of the supporting side panel, a guardrail is fixedly installed on the outside of the maintenance platform, a movable door is movably installed on the inner side of the guardrail, a limiting block is fixedly installed on the outer side of the movable door, an adjusting block is fixedly installed on one side of the outside of the maintenance platform, a rotating shaft is installed through the inside of the adjusting block, a motor box is nested and installed on the top of the supporting side panel, a slide groove is embedded and installed in the inside of the supporting side panel, a sliding block is embedded and installed in the inside of the slide groove, a bottom plate is fixedly installed on the bottom of the maintenance vehicle, a buffer plate is nested and installed on the bottom of the maintenance platform, a groove is embedded and installed in the inside of the buffer plate, and a spring column is embedded and installed in the inside of the groove.

Preferably, a universal wheel is fixedly mounted on the bottom of the base plate.

Preferably, an electric push rod is nested and installed at the bottom of the base plate, a support plate is nested and installed at the bottom of the electric push rod, and a friction plate is nested and installed at the bottom of the support plate.

Preferably, a plurality of spring columns are provided and are evenly distributed inside the buffer plate.

Preferably, there are multiple guardrails evenly distributed around the periphery of the maintenance platform.

Preferably, the sliding block is embedded in the sliding groove.

Preferably, the cross section of the friction plate is uneven.

Technical effects and advantages of the utility model:

Compared with the prior art, the elevator maintenance device is provided with a protective mechanism, so that when the device is used in the later stage, the protective mechanism can be used to improve the protection of maintenance personnel, and the maintenance vehicle is moved to the designated elevator maintenance area through the universal wheels, so that the personnel can enter the maintenance platform by opening the movable door, and the movable door is closed and fixed by the limit block, that is, by controlling the motor in the motor box to drive the rotating shaft to rotate, the adjustment block is raised and lowered along the outer side of the rotating shaft, so that the maintenance platform can be adjusted according to the required maintenance height, thereby improving the flexibility of the device, and at the same time, the slider slides along the inside of the slide groove to improve the lifting stability of the maintenance platform, thereby improving the protection effect on the maintenance personnel.

Compared with the existing technology, the elevator maintenance device moves the maintenance vehicle to the designated elevator maintenance area through the universal wheels through the mutual cooperation between the universal wheels, electric push rods, support plates and friction plates. By turning on the electric push rods to push the support plate downward, the friction plate contacts the ground to generate friction, thereby fixing the maintenance vehicle and improving the overall stability of the device.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of the overall structure of the utility model.

FIG. 2 is a schematic diagram of the internal cross-sectional structure of the maintenance platform of the present utility model.

FIG3 is a schematic diagram of the internal cross-sectional structure of the buffer plate of the utility model.

FIG4 is a schematic diagram of the internal cross-sectional structure of the friction plate of the present invention.

The accompanying drawings are marked as follows: 1. maintenance vehicle; 2. protection mechanism; 3. support side panel; 4. maintenance platform; 5. guardrail; 6. movable door; 7. limit block; 8. adjustment block; 9. rotating shaft; 10. motor box; 11. slider; 12. slide groove; 13. bottom plate; 14. buffer plate; 15. groove; 16. spring column; 17. universal wheel; 18. electric push rod; 19. support plate; 20. friction plate.

DETAILED DESCRIPTION

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.

Example 1

As shown in Figures 1 and 2, an elevator maintenance device comprises a maintenance vehicle 1, wherein a protective mechanism 2 for elevator maintenance personnel is installed inside the maintenance vehicle 1, and the protective mechanism 2 comprises a supporting side panel 3, a maintenance platform 4, a guardrail 5, a movable door 6, a limit block 7, an adjustment block 8, a rotating shaft 9, a motor box 10, a slider 11, a slide groove 12, a bottom plate 13, a buffer plate 14, a groove 15, and a spring column 16; a supporting side panel 3 is fixedly installed on one side of the top of the maintenance vehicle 1, a maintenance platform 4 is nested on one side of the supporting side panel 3, a guardrail 5 is fixedly installed on the outside of the maintenance platform 4, and the guardrail 5 A movable door 6 is movably installed on one inner side, a limit block 7 is fixedly installed on the outer side of the movable door 6, an adjusting block 8 is fixedly installed on the outer side of the maintenance platform 4, a rotating shaft 9 is installed through the inside of the adjusting block 8, a motor box 10 is nested on the top of the supporting side panel 3, a slide groove 12 is embedded in the inside of the supporting side panel 3, a slider 11 is embedded in the inside of the slide groove 12, a bottom plate 13 is fixedly installed on the bottom of the maintenance vehicle 1, a buffer plate 14 is nested on the bottom of the maintenance platform 4, a groove 15 is embedded in the inside of the buffer plate 14, and a spring column 16 is embedded in the inside of the groove 15.

Among them: the maintenance vehicle 1 is moved to the designated elevator maintenance area through the universal wheel 17, so that the staff can enter the maintenance platform 4 by opening the movable door 6, and the movable door 6 is closed and fixed by the limit block 7, that is, by controlling the motor in the motor box 10 to drive the rotating shaft 9 to rotate, the adjustment block 8 is lifted and lowered along the outer side of the rotating shaft 9, so that the maintenance platform 4 can be adjusted according to the required maintenance height, thereby improving the flexibility of the device, and when the maintenance platform 4 is lowered to contact the bottom plate 13, it is first contacted by the buffer plate 14, and the spring column 16 is used for buffering and shock absorption to prevent the maintenance platform 4 from moving too fast to generate impact force on the staff and cause danger. At the same time, the slider 11 slides along the inside of the slide groove 12 to improve the lifting stability of the maintenance platform 4, thereby improving the protection effect on the maintenance staff.

Example 2

Based on the first embodiment, the solution in the first embodiment is further detailed in combination with the following specific working method, as described below:

As shown in FIG. 1 , as a preferred embodiment, a universal wheel 17 is fixedly mounted on the bottom of the base plate 13 . Furthermore, the universal wheel 17 facilitates the movement of the maintenance vehicle 1 , thereby improving the flexibility of the device.

As shown in FIG4 , as a preferred embodiment, an electric push rod 18 is nested and installed at the bottom of the base plate 13, a support plate 19 is nested and installed at the bottom of the electric push rod 18, and a friction plate 20 is nested and installed at the bottom of the support plate 19. Furthermore, when the maintenance vehicle 1 moves to the designated area, the electric push rod 18 is turned on to push the support plate 19 downward, so that the friction plate 20 contacts the ground, generates friction, fixes the maintenance vehicle 1, and improves the overall stability of the device.

As shown in FIG. 3 , as a preferred embodiment, a plurality of spring columns 16 are provided, which are evenly distributed inside the buffer plate 14 . Furthermore, the spring columns 16 are used for buffering and shock absorption to improve the protection effect on the staff.

As shown in FIG. 2 , as a preferred embodiment, a plurality of guardrails 5 are provided, which are evenly distributed on the periphery of the maintenance platform 4 . Furthermore, the guardrails 5 are fixed to the periphery of the maintenance platform 4 to protect the workers.

As shown in FIG. 1 , as a preferred embodiment, the slider 11 is embedded in the slide groove 12 . Furthermore, during the lifting and lowering process of the maintenance platform 4 , the slider 11 moves along the inside of the slide groove 12 to improve the lifting and lowering stability of the maintenance platform 4 .

As shown in FIG. 4 , as a preferred embodiment, the cross section of the friction plate 20 is uneven. Furthermore, the uneven friction plate 20 generates friction force by contacting the ground, thereby fixing the maintenance vehicle 1 and improving the stability of the entire device.

The working process of the utility model is as follows:

When the elevator maintenance device is used in the later stage, first, the maintenance vehicle 1 is moved to the designated elevator maintenance area through the universal wheel 17, and the support plate 19 is pushed downward by opening the electric push rod 18, so that the friction plate 20 contacts the ground to generate friction, and the maintenance vehicle 1 is fixed, so that the staff can enter the maintenance platform 4 by opening the movable door 6, and the movable door 6 is closed and fixed by the limit block 7, that is, by controlling the motor in the motor box 10 to drive the rotating shaft 9 to rotate, the adjustment block 8 is lifted and lowered along the outer side of the rotating shaft 9, so that the maintenance platform 4 is adjusted according to the required maintenance height, thereby improving the flexibility of the device, and at the same time, the slider 11 slides along the inside of the slide groove 12 to improve the lifting stability of the maintenance platform 4, thereby improving the protection effect on the maintenance staff. When the maintenance platform 4 is lowered to contact the bottom plate 13, it is first contacted by the buffer plate 14, and the spring column 16 is used for buffering and shock absorption to prevent the maintenance platform 4 from moving too fast to generate impact force on the staff and cause danger. This is the working process and working principle of the device.

Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims (7)

1. An elevator maintenance device, comprising a maintenance vehicle (1), characterized in that a protective mechanism (2) for elevator maintenance personnel is installed inside the maintenance vehicle (1), and the protective mechanism (2) comprises a supporting side plate (3), a maintenance platform (4), a guardrail (5), a movable door (6), a limit block (7), an adjustment block (8), a rotating shaft (9), a motor box (10), a slider (11), a slide groove (12), a bottom plate (13), a buffer plate (14), a groove (15), and a spring column (16); A support side plate (3) is fixedly installed on one side of the top of the maintenance vehicle (1), a maintenance platform (4) is nested and installed on one side of the support side plate (3), a guardrail (5) is fixedly installed on the outside of the maintenance platform (4), a movable door (6) is movably installed on the inner side of the guardrail (5), a limit block (7) is fixedly installed on the outer side of the movable door (6), an adjustment block (8) is fixedly installed on the outer side of the maintenance platform (4), a rotating shaft (9) is installed through the inside of the adjustment block (8), a motor box (10) is nested and installed on the top of the support side plate (3), a slide groove (12) is embedded and installed inside the support side plate (3), a slider (11) is embedded and installed inside the slide groove (12), a bottom plate (13) is fixedly installed on the bottom of the maintenance vehicle (1), a buffer plate (14) is nested and installed on the bottom of the maintenance platform (4), a groove (15) is embedded and installed inside the buffer plate (14), and a spring column (16) is embedded and installed inside the groove (15). 2. An elevator maintenance device according to claim 1, characterized in that a universal wheel (17) is fixedly installed at the bottom of the base plate (13). 3. An elevator maintenance device according to claim 1, characterized in that: an electric push rod (18) is nested and installed at the bottom of the base plate (13), a support plate (19) is nested and installed at the bottom of the electric push rod (18), and a friction plate (20) is nested and installed at the bottom of the support plate (19). 4. An elevator maintenance device according to claim 1, characterized in that: a plurality of spring columns (16) are provided and evenly distributed inside the buffer plate (14). 5. An elevator maintenance device according to claim 1, characterized in that: a plurality of guardrails (5) are provided and evenly distributed on the periphery of the maintenance platform (4). 6. An elevator maintenance device according to claim 1, characterized in that: the sliding block (11) is embedded in the sliding groove (12). 7. An elevator maintenance device according to claim 3, characterized in that the cross section of the friction plate (20) is uneven.