CN219341348U

CN219341348U - Elevator car roof overhauling device

Info

Publication number: CN219341348U
Application number: CN202320916276.9U
Authority: CN
Inventors: 林耀有; 范树宾; 周光涛; 刘鸿达; 刘广强
Original assignee: Foshan Sanshui Sanyo Elevator Co ltd
Current assignee: Foshan Sanshui Sanyo Elevator Co ltd
Priority date: 2023-04-22
Filing date: 2023-04-22
Publication date: 2023-07-14
Anticipated expiration: 2033-04-22

Abstract

The utility model discloses an elevator car top overhauling device, which relates to the technical field of overhauling devices and comprises an elevator car, wherein a first folding component is arranged at the rear end of the top of the elevator car, a second folding component and a third folding component are respectively arranged at two sides of the top of the elevator car, the first folding component, the second folding component and the third folding component are identical in structure, the tops of the first folding component, the second folding component and the third folding component are commonly connected with guardrails, the two ends of the first folding component are commonly connected with one end connection parts of the second folding component and the third folding component respectively, a transmission gear set is arranged at the two ends of the first folding component, the second folding component and the third folding component, a servo motor drives the first folding component, the second folding component and the third folding component to synchronously work through two groups of transmission gear sets, and then a plurality of groups of support arms are automatically unfolded and folded, so that the guardrails are lifted and lowered, and therefore when a worker overhauls the elevator car top, the worker is protected, and the situation of careless dropping is reduced.

Description

Elevator car roof overhauling device

Technical Field

The utility model relates to the technical field of overhauling devices, in particular to an elevator car roof overhauling device.

Background

Through searching, a safety maintenance device for an elevator car roof is disclosed (publication number: CN 217076581U), in the patent, a protective top frame is supported through manual adjustment of a supporting rotating shaft, a supporting main rod and a supporting bottom screw rod, so that lifting of the protective top frame is realized, however, as potential safety hazards are large when workers are positioned at the top of the elevator car, a mode of manually lifting the protective top frame is adopted, and the potential safety hazards are large, so that the elevator car roof maintenance device is provided.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides an elevator car roof overhauling device which solves the problems in the prior art.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides an elevator car top overhauls device, includes the elevator car, first folding subassembly is installed to elevator car's top rear end, second folding subassembly and third folding subassembly are installed respectively to elevator car's top both sides, first folding subassembly, second folding subassembly and third folding subassembly's structure are the same, and first folding subassembly, second folding subassembly and third folding subassembly's top are connected with the guardrail jointly, first folding subassembly's both ends respectively with second folding subassembly and third folding subassembly's one end junction all are connected with drive gear group jointly, servo motor is installed to second folding subassembly's the other end, control assembly is installed to elevator car's top and the other end that is located third folding subassembly;

the first folding assembly comprises two groups of support plates, two groups of support plates are connected with a bidirectional screw in a common rotation mode, two groups of movable seats are connected with external threads of the bidirectional screw, guide rods are connected between the support plates in a common mode, one sides of the two groups of movable seats are located outside the guide rods in a sliding mode, the top ends of the two groups of movable seats are provided with lower rotary seats, the top symmetrical rotary portions of the two groups of lower rotary seats are connected with two groups of support arms, and the free ends of the support arms are connected with upper rotary seats in a rotary mode.

As a further technical scheme of the utility model, the bottom ends of the two groups of supporting plates are connected with the top end of the elevator car, and the top ends of the two groups of upper rotating seats are connected with the bottom ends of the guardrails.

As a further technical scheme of the utility model, external threads with the same structure and opposite screw threads are arranged at the outer parts of the two ends of the bidirectional screw rod, and the two groups of movable seats are symmetrically arranged at the outer parts of the two ends of the bidirectional screw rod respectively.

As a further technical scheme of the utility model, the two groups of transmission gear sets are composed of two groups of bevel gears A connected with two ends of the bidirectional screw rod in the first folding assembly and two groups of bevel gears B respectively connected with one end of the bidirectional screw rod in the second folding assembly and the third folding assembly, and the two groups of bevel gears A are respectively meshed with the two groups of bevel gears B.

As a further technical scheme of the utility model, the control assembly comprises a machine box, a controller and a Bluetooth module are arranged in the machine box, and the top end of the machine box is connected with an organic cover in a clamping manner.

Advantageous effects

The utility model provides an elevator car roof overhauling device. Compared with the prior art, the method has the following beneficial effects:

1. the utility model provides an elevator car roof overhauls device, makes servo motor drive first folding subassembly, second folding subassembly and third folding subassembly synchronous operation through two sets of drive gear train, and then automatic expansion and folding multiunit support arm to realize the rising and the reduction of guardrail, thereby when the staff overhauls elevator car roof, played the protection effect to the staff, reduced the condition that the staff carelessly dropped.

2. The utility model provides an elevator car top overhauls device, can link to each other the controller with mobile terminal through bluetooth module, then sends the instruction to the controller through mobile terminal to control servo motor work, this structure can be at the staff to the elevator car top examine and repair the rising that the automatic support arm realized the guardrail of expanding before, and the automatic support arm of folding realizes the reduction of guardrail after examining and repairing.

Drawings

Fig. 1 is a schematic diagram of an elevator car roof service apparatus;

fig. 2 is a schematic view of an expanded structure of an elevator car roof service apparatus;

fig. 3 is a schematic view of a first folding assembly in an elevator car roof service apparatus;

fig. 4 is a schematic diagram of the control assembly of an elevator car roof service apparatus.

In the figure: 1. an elevator car; 2. a first folding component; 21. a support plate; 22. a bidirectional screw; 23. a movable seat; 24. a guide rod; 25. a lower rotating seat; 26. a support arm; 27. an upper rotating seat; 3. a second folding assembly; 4. a third folding assembly; 5. a drive gear set; 6. a servo motor; 7. a control assembly; 71. a machine box; 72. a controller; 73. a Bluetooth module; 74. a cover; 8. a guardrail.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, the utility model provides a technical scheme of an elevator car roof overhaul device: the utility model provides an elevator car roof overhauls device, including elevator car 1, first folding subassembly 2 is installed to elevator car 1's top rear end, second folding subassembly 3 and third folding subassembly 4 are installed respectively to elevator car 1's top both sides, first folding subassembly 2, second folding subassembly 3 and the structure of third folding subassembly 4 are the same, and first folding subassembly 2, second folding subassembly 3 and the top of third folding subassembly 4 are connected with guardrail 8 jointly, the both ends of first folding subassembly 2 all are connected with drive gear group 5 jointly with second folding subassembly 3 and the one end junction of third folding subassembly 4 respectively, servo motor 6 is installed to the other end of second folding subassembly 3, elevator car 1's top just is located the other end of third folding subassembly 4 and installs control assembly 7.

The two groups of transmission gear sets 5 are composed of two groups of bevel gears A connected to two ends of the bidirectional screw 22 in the first folding assembly 2 and two groups of bevel gears B respectively connected to one ends of the bidirectional screw 22 in the second folding assembly 3 and the third folding assembly 4, and the two groups of bevel gears A are respectively meshed with the two groups of bevel gears B.

The output end of the servo motor 6 is connected with the other end of the bidirectional screw rod 22 in the second folding assembly 3.

The servo motor 6 drives the first folding component 2, the second folding component 3 and the third folding component 4 to synchronously work through the two groups of transmission gear sets 5, so that the guardrail 8 is driven to ascend or descend.

Referring to fig. 3, the first folding assembly 2 includes two sets of support plates 21, two sets of support plates 21 are connected with a bidirectional screw 22 in a co-rotating manner, two sets of moving seats 23 are connected with external threads of the bidirectional screw 22, a guide rod 24 is connected between the two sets of support plates 21 in a co-rotating manner, one sides of the two sets of moving seats 23 are located outside the guide rod 24 in a sliding manner, lower rotating seats 25 are mounted at the top ends of the two sets of moving seats 23, two sets of support arms 26 are connected with the top ends of the two sets of lower rotating seats 25 in a symmetrical manner, free ends of each set of support arms 26 are connected with an upper rotating seat 27 in a rotating manner, bottom ends of the two sets of support plates 21 are connected with the top ends of the elevator car 1, top ends of the two sets of upper rotating seats 27 are connected with the bottom ends of the guardrail 8, external threads which have the same structure and have opposite screw threads, and the two sets of moving seats 23 are symmetrically arranged at the two ends of the bidirectional screw 22.

It should be noted that, when the bidirectional screw 22 rotates forward, the two sets of moving seats 23 and the two sets of lower rotating seats 25 synchronously move to the middle outside the guide rod 24, and the two sets of support arms 26 pull the guardrail 8 to move downward, and when the bidirectional screw 22 rotates reversely, the two sets of moving seats 23 and the two sets of lower rotating seats 25 synchronously move to both sides outside the guide rod 24, and the two sets of support arms 26 push the guardrail 8 to move upward.

Referring to fig. 4, the control assembly 7 includes a casing 71, a controller 72 and a bluetooth module 73 are installed inside the casing 71, and a top end of the casing 71 is connected to an organic cover 74 in a clamping manner.

It should be noted that, the controller 72 may be connected to a mobile terminal of an electronic device such as a mobile phone through the bluetooth module 73, and then when a worker overhauls the top of the elevator car 1, the mobile terminal sends an instruction to the controller 72, so as to control the servo motor 6 to work.

The working principle of the utility model is as follows: when in use, the controller 72 can be connected with the mobile terminal of a worker through the Bluetooth module 73, and the mobile terminal further controls the servo motor 6 to work;

when the top of the elevator car 1 needs to be overhauled, the servo motor 6 drives the bidirectional screw rod 22 in the second folding assembly 3 to rotate, the bidirectional screw rod 22 in the first folding assembly 2, the second folding assembly 3 and the third folding assembly 4 synchronously rotate through the two groups of transmission gear sets 5, and then the bidirectional screw rod 22 reversely rotates, so that the two adjacent groups of movable seats 23 and the two adjacent groups of lower rotating seats 25 synchronously move to two sides, and then the two adjacent groups of support arms 26 push the guardrail 8 to move upwards, and the stability of the overall structure of the guardrail 8 is improved through the multiple groups of support arms 26;

when the maintenance is finished on the top of the elevator car 1, the bidirectional screw 22 rotates forward, the two adjacent groups of movable seats 23 and the two adjacent groups of lower rotary seats 25 synchronously move to the middle, and the two adjacent groups of support arms 26 pull the guardrail 8 to move downwards, so that the folding is finished.

Claims

1. The utility model provides an elevator car top overhauls device, includes elevator car (1), its characterized in that, first folding subassembly (2) are installed to elevator car (1) top rear end, second folding subassembly (3) and third folding subassembly (4) are installed respectively to elevator car (1) top both sides, the structure of first folding subassembly (2), second folding subassembly (3) and third folding subassembly (4) is the same, and the top of first folding subassembly (2), second folding subassembly (3) and third folding subassembly (4) is connected with guardrail (8) jointly, the both ends of first folding subassembly (2) are all connected with drive gear group (5) jointly with second folding subassembly (3) and third folding subassembly (4) one end junction respectively, servo motor (6) are installed to the other end of second folding subassembly (3), servo motor (6) are installed at elevator car (1) top and are located third folding subassembly (4) the other end and are installed control assembly (7);

the first folding assembly (2) comprises two groups of support plates (21), two groups of support plates (21) are connected with a bidirectional screw rod (22) in a common rotation mode, two groups of support plates (21) are connected with two groups of movable bases (23) in an external threaded mode, guide rods (24) are connected between the two groups of support plates (21) in a common mode, one sides of the two groups of movable bases (23) are located outside the guide rods (24) in a sliding mode, lower rotary bases (25) are mounted on the top ends of the two groups of movable bases (23), two groups of lower rotary bases (25) are connected with two groups of support arms (26) in a symmetrical rotation mode at the tops of the two groups of lower rotary bases (25), and free ends of the support arms (26) are connected with upper rotary bases (27) in a rotary mode.

2. An elevator car roof service device according to claim 1, characterized in that the bottom ends of the two groups of support plates (21) are connected to the top end of the elevator car (1), and the top ends of the two groups of upper rotating seats (27) are connected to the bottom end of the guardrail (8).

3. The elevator car roof maintenance device according to claim 1, wherein external threads with the same structure and opposite screw threads are arranged at the outer parts of two ends of the bidirectional screw rod (22), and the two groups of movable seats (23) are symmetrically arranged at the outer parts of two ends of the bidirectional screw rod (22).

4. An elevator car roof inspection device according to claim 1, characterized in that the two sets of the drive gear sets (5) consist of two sets of bevel gears a connected to both ends of the bi-directional screw (22) in the first folding assembly (2) and two sets of bevel gears B connected to one end of the bi-directional screw (22) in the second folding assembly (3) and the third folding assembly (4), respectively, and the two sets of bevel gears a are in meshed connection with the two sets of bevel gears B, respectively.

5. The elevator car roof maintenance device according to claim 1, wherein the control assembly (7) comprises a machine box (71), a controller (72) and a bluetooth module (73) are installed in the machine box (71), and an organic cover (74) is connected to the top end of the machine box (71) in a clamping manner.