CN219136056U

CN219136056U - Safety protection device for elevator maintenance

Info

Publication number: CN219136056U
Application number: CN202320028306.2U
Authority: CN
Inventors: 傅永生
Original assignee: Yantai Special Equipment Inspection Institute
Current assignee: Yantai Special Equipment Inspection Institute
Priority date: 2023-01-06
Filing date: 2023-01-06
Publication date: 2023-06-06
Anticipated expiration: 2033-01-06

Abstract

The utility model belongs to the field of elevator maintenance, in particular to a safety protection device for elevator maintenance, aiming at the existing problem that no protection measures are taken for workers, the safety protection device comprises a base, wherein a first motor is arranged on the base, a first bevel gear is fixedly connected to an output shaft of the first motor, two second bevel gears are connected in a meshed manner to the first bevel gear, a first threaded rod is fixedly connected to the two second bevel gears, a first threaded sleeve rod is connected to the first threaded rod in a threaded manner, the first threaded sleeve rod is connected to the base in a sliding manner, fixing plates are fixedly connected to two sides of the bottom of the base, safety components are arranged on the fixing plates, an installation box is fixedly connected to the bottom of the fixing plates, and a supporting plate component is arranged on the installation box.

Description

Safety protection device for elevator maintenance

Technical Field

The utility model relates to the technical field of elevator maintenance, in particular to a safety protection device for elevator maintenance.

Background

Along with the development of society and age, the elevator gradually becomes an indispensable part in people's daily life, and the elevator needs to be overhauled every year, prevents that the elevator from breaking down in the operation process, if the elevator breaks down in the operation process, then needs elevator maintenance workman to get into the elevator shaft and inspect the maintenance to the elevator, and present elevator maintenance is by the top of direct entering elevator of workman, and this kind of maintenance mode has the potential safety hazard, does not carry out certain safeguard measure to the workman, leads to the unexpected condition to appear in the time of the construction easily.

Disclosure of Invention

The utility model aims to solve the defect that no protective measures are taken for workers in the prior art, and provides a safety protection device for elevator maintenance.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a safety device is used in elevator maintenance, includes the base, be provided with first motor on the base, and fixedly connected with first bevel gear on the first motor output shaft, first bevel gear meshing is connected with two second bevel gears, and the first threaded rod of fixedly connected with on two second bevel gears, threaded connection first screw thread loop bar on the first threaded rod, and first screw thread loop bar sliding connection is on the base, base bottom both sides fixedly connected with fixed plate, and be provided with safety subassembly on the fixed plate, fixedly connected with install bin on the fixed plate bottom, and be provided with layer board subassembly on the install bin.

Preferably, the safety assembly comprises a case arranged on the fixed plate, a second motor is arranged in the case, a first sprocket is fixedly connected to an output shaft of the second motor, a double-drive sprocket is arranged below the first sprocket, a collecting roller is fixedly connected to the double-drive sprocket, the collecting roller is rotationally connected to the fixed plate, a safety rope is wound on the collecting roller, a safety belt is fixedly connected to the safety rope, and the collecting roller is provided with the fixing assembly.

Preferably, the pallet assembly comprises a winding roller rotatably connected to the mounting box, a pull rope is wound on the winding roller, a pull ring is fixedly connected to the pull rope, and a pallet is fixedly connected to the pull ring.

Preferably, the fixed subassembly is including setting up the chamber of placing in collecting the roller, and place fixedly connected with bi-directional motor on the chamber, two transmission shafts of fixedly connected with on the bi-directional motor, and fixedly connected with third bevel gear on two transmission shafts, third bevel gear meshing is connected with fourth bevel gear, and fixedly connected with second threaded rod on the fourth bevel gear, threaded connection has second screw thread loop bar on the second threaded rod, and second screw thread loop bar sliding connection is on collecting the roller, encircle being provided with the fixed orifices on the fixed plate, and the fixed orifices is relative with second screw thread loop bar.

Preferably, a second chain wheel is fixedly connected to one side of the winding roller, and the second chain wheel and the double-drive chain wheel are connected with the same chain in a meshed mode.

In the utility model, the safety protection device for elevator maintenance has the beneficial effects that:

because the base, the first motor, the first bevel gear, the second bevel gear, the first threaded rod and the first threaded sleeve rod are arranged, the first motor is started, the first motor output shaft drives the first bevel gear to operate, the first bevel gear drives the second bevel gear to operate, the second bevel gear drives the first threaded rod to operate, and the first threaded rod drives the first threaded sleeve rod to operate, so that the width of the base can be adjusted according to actual conditions.

Because the fixed plate, the second motor, the first sprocket, the double-drive sprocket, the collection roller, the safety rope, the safety belt, the two-way motor, the transmission shaft, the third bevel gear, the fourth bevel gear, the second threaded rod, the second threaded sleeve rod and the fixed orifices are arranged, the second motor is started, the output shaft of the second motor drives the first sprocket to operate, the first sprocket drives the double-drive sprocket to operate, the double-drive sprocket drives the collection roller to operate, the collection roller drives the safety rope to retract and release, after reaching a designated position, the two-way motor is started, the output shaft of the two-way motor drives the transmission shaft to operate, the transmission shaft drives the third bevel gear to operate, the third bevel gear drives the fourth bevel gear to operate, the fourth bevel gear drives the second threaded rod to operate, the second threaded sleeve rod is driven by the second threaded sleeve rod to operate, and the second threaded sleeve rod is slidably connected in the fixed orifices, so that the collection roller can be fixed for safety protection of maintenance personnel.

Due to the fact that the mounting box, the winding roller, the pull rope, the pull ring, the supporting plate and the chain are arranged, the double-drive chain wheel drives the winding roller to rotate under the action of the chain, the winding roller drives the pull rope to retract and release, the pull ring is used for moving the supporting plate up and down through the pull rope, the collecting roller synchronously rotates, and the safety rope is retracted and released, so that maintenance personnel can be moved.

The utility model can fix the collecting roller, protect the safety of maintenance personnel, and is provided with the supporting plate, so that the collecting roller can move the maintenance personnel.

Drawings

Fig. 1 is a schematic diagram of a front view structure of a safety device for elevator maintenance according to the present utility model;

fig. 2 is a schematic diagram of a front view of a fixing plate of a safety device for elevator maintenance according to the present utility model;

fig. 3 is an enlarged schematic view of the safety device for elevator maintenance of fig. 1.

In the figure: 1. a base; 2. a first motor; 3. a first bevel gear; 4. a second bevel gear; 5. a first threaded rod; 6. a first threaded shank; 7. a chain; 8. a fixing plate; 9. a mounting box; 10. a chassis; 11. a second motor; 12. a first sprocket; 13. a double-drive sprocket; 14. a take-up roller; 15. a safety rope; 16. a safety belt; 17. a winding roller; 18. a pull rope; 19. a pull ring; 20. a supporting plate; 21. a placement cavity; 22. a bi-directional motor; 23. a transmission shaft; 24. a third bevel gear; 25. a fourth bevel gear; 26. a second threaded rod; 27. a second threaded shank; 28. a fixing hole; 29. a second sprocket.

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.

Example 1

Referring to fig. 1-3, a safety protection device for elevator maintenance comprises a base 1, wherein a first motor 2 is arranged on the base 1, a first bevel gear 3 is fixedly connected to an output shaft of the first motor 2, two second bevel gears 4 are connected to the first bevel gear 3 in a meshed mode, a first threaded rod 5 is fixedly connected to the two second bevel gears 4, a first threaded sleeve rod 6 is connected to the first threaded rod 5 in a threaded mode, the first threaded sleeve rod 6 is slidably connected to the base 1, fixing plates 8 are fixedly connected to two sides of the bottom of the base 1, safety components are arranged on the fixing plates 8, an installation box 9 is fixedly connected to the bottom of the fixing plates 8, and a supporting plate component is arranged on the installation box 9.

In the utility model, the safety assembly comprises a case 10 arranged on a fixed plate 8, a second motor 11 is arranged in the case 10, a first chain wheel 12 is fixedly connected to an output shaft of the second motor 11, a double-drive chain wheel 13 is arranged below the first chain wheel 12, a collecting roller 14 is fixedly connected to the double-drive chain wheel 13, the collecting roller 14 is rotatably connected to the fixed plate 8, a safety rope 15 is wound on the collecting roller 14, a safety belt 16 is fixedly connected to the safety rope 15, and the collecting roller 14 is provided with the fixing assembly.

In the utility model, the pallet assembly comprises a winding roller 17 rotatably connected to the mounting box 9, a pull rope 18 is wound on the winding roller 17, a pull ring 19 is fixedly connected with the pull rope 18, and a pallet 20 is fixedly connected with the pull ring 19.

In the utility model, the fixing component comprises a placing cavity 21 arranged in the collecting roller 14, a bidirectional motor 22 is fixedly connected to the placing cavity 21, two transmission shafts 23 are fixedly connected to the bidirectional motor 22, a third bevel gear 24 is fixedly connected to the two transmission shafts 23, a fourth bevel gear 25 is connected to the third bevel gear 24 in a meshed manner, a second threaded rod 26 is fixedly connected to the fourth bevel gear 25, a second threaded rod 27 is connected to the second threaded rod 26 in a threaded manner, the second threaded rod 27 is connected to the collecting roller 14 in a sliding manner, a fixing hole 28 is formed in the fixing plate 8 in a surrounding manner, and the fixing hole 28 is opposite to the second threaded rod 27.

In the utility model, a second sprocket 29 is fixedly connected to one side of the winding roller 17, and the second sprocket 29 and the double-drive sprocket 13 are in meshed connection with the same chain 7.

In the utility model, the first motor 2 is started, the output shaft of the first motor 2 drives the first bevel gear 3 to operate, the first bevel gear 3 drives the second bevel gear 4 to operate, the second bevel gear 4 drives the first threaded rod 5 to operate, the first threaded rod 5 drives the first threaded sleeve rod 6 to enable the width of the base 1 to be adjusted according to actual conditions, the second motor 11 is started, the output shaft of the second motor 11 drives the first sprocket 12 to operate, the first sprocket 12 drives the double-drive sprocket 13 to operate, the double-drive sprocket 13 drives the collecting roller 14 to operate, the collecting roller 14 drives the safety rope 15 to be retracted, after the specified position is reached, the bidirectional motor 22 is started, the output shaft of the bidirectional motor 22 drives the transmission shaft 23 to operate, the transmission shaft 23 drives the third bevel gear 24 to operate, the third bevel gear 24 drives the fourth bevel gear 25 to operate, the fourth bevel gear 25 drives the second threaded rod 26 to operate, the second threaded rod 26 drives the second threaded sleeve rod 27 to operate, the second threaded sleeve rod 27 is connected in the fixing hole 28 in a sliding mode, the collecting roller 14 can be fixed, the double-drive sprocket 13 drives the collecting roller 17 to rotate under the action of the chain 7 to rotate, the double-drive sprocket 17 drives the winding roller 17 to rotate, the collecting roller 18 to rotate under the action of the double-drive sprocket 7, the winding roller 18 drives the winding roller 18 to rotate, the pulling rope 18 to rotate under the action of the winding roller 18 to rotate, and the pulling rope 20 synchronously rotates under the action of the winding roller 20 to rotate, and the pulling rope 20 is enabled to rotate under the action of the winding and the winding roller to rotate and can rotate.

Example two

The difference between this embodiment and the first embodiment is that: the supporting plate 20 is provided with a fixing ring which is connected to the supporting rod in the elevator shaft in a sliding manner, so that the supporting plate 20 is more stable.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a safety device is used in elevator maintenance, includes base (1), a serial communication port, be provided with first motor (2) on base (1), and first bevel gear (3) of fixedly connected with on the output shaft of first motor (2), first bevel gear (3) meshing is connected with two second bevel gears (4), and fixedly connected with first threaded rod (5) on two second bevel gears (4), threaded connection first screw thread loop bar (6) on first threaded rod (5), and first screw thread loop bar (6) sliding connection is on base (1), base (1) bottom both sides fixedly connected with fixed plate (8), and be provided with the safety subassembly on fixed plate (8), fixedly connected with install bin (9) on fixed plate (8) bottom, and be provided with the layer board subassembly on install bin (9).

2. The safety device for elevator maintenance according to claim 1, wherein the safety assembly comprises a case (10) arranged on a fixed plate (8), a second motor (11) is arranged in the case (10), a first sprocket (12) is fixedly connected to an output shaft of the second motor (11), a double-drive sprocket (13) is arranged below the first sprocket (12), a collecting roller (14) is fixedly connected to the double-drive sprocket (13), the collecting roller (14) is rotatably connected to the fixed plate (8), a safety rope (15) is wound on the collecting roller (14), a safety belt (16) is fixedly connected to the safety rope (15), and the fixing assembly is arranged on the collecting roller (14).

3. Safety device for elevator maintenance according to claim 1, characterized in that the pallet assembly comprises a winding roller (17) rotatably connected to the mounting box (9), and that the winding roller (17) is wound with a pull rope (18), wherein the pull rope (18) is fixedly connected with a pull ring (19), and wherein the pull ring (19) is fixedly connected with a pallet (20).

4. The safety protection device for elevator maintenance according to claim 2, wherein the fixing component comprises a placing cavity (21) arranged in the collecting roller (14), a bidirectional motor (22) is fixedly connected to the placing cavity (21), two transmission shafts (23) are fixedly connected to the bidirectional motor (22), a third bevel gear (24) is fixedly connected to the two transmission shafts (23), a fourth bevel gear (25) is connected to the third bevel gear (24) in a meshed mode, a second threaded rod (26) is fixedly connected to the fourth bevel gear (25), a second threaded rod (27) is connected to the second threaded rod (26) in a threaded mode, the second threaded rod (27) is connected to the collecting roller (14) in a sliding mode, a fixing hole (28) is formed in the fixing plate (8) in a surrounding mode, and the fixing hole (28) is opposite to the second threaded rod (27).

5. A safety device for elevator maintenance according to claim 3, characterized in that a second sprocket (29) is fixedly connected to one side of the winding roller (17), and the second sprocket (29) and the double drive sprocket (13) are connected to the same chain (7) in a meshing manner.