CN220148931U

CN220148931U - Elevator safety maintenance device

Info

Publication number: CN220148931U
Application number: CN202321541077.0U
Authority: CN
Inventors: 李响
Original assignee: Tianjin Yaolun Elevator Co ltd
Current assignee: Tianjin Yaolun Elevator Co ltd
Priority date: 2023-06-16
Filing date: 2023-06-16
Publication date: 2023-12-08
Anticipated expiration: 2033-06-16

Abstract

The utility model relates to an elevator safety maintenance device, which comprises a base, wherein a driving chamber is arranged in the base, two bidirectional screws are rotatably arranged in the driving chamber, a double-shaft motor is arranged on one bidirectional screw, the double-shaft motor is fixedly arranged in the driving chamber, a transmission belt structure is connected between the two bidirectional screws, each bidirectional screw is connected with two moving blocks in a threaded manner, each moving block is slidably connected with the driving chamber through a track structure, the upper end of each moving block is hinged with a supporting rod, the upper ends of the supporting rods are connected with a pushing block in a connecting manner, the pushing block is slidably connected with a lifting plate through the track structure, the two supporting rods are rotatably connected, the lifting plate is convenient to adjust in height, workers can be protected, and meanwhile, the elevator can be descent protected, so that potential safety hazards are reduced.

Description

Elevator safety maintenance device

Technical Field

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

Background

The elevator is a bearing tool commonly used in daily life, and after the elevator is used for a period of time, various parts of the elevator need to be repaired and maintained, so that the safety of the elevator is ensured. The car top maintenance of the elevator is also an item which is necessary to carry out, in order to maintain personnel to conveniently maintain the elevator, a safety maintenance device is required to be arranged on the car top, and in the maintenance process, maintenance personnel are required to enter the car top and stand on the installation maintenance device to carry out specific operation and maintenance. The existing elevator safety overhaul device generally cannot adjust the height in the use process, so that overhaul workers cannot meet the requirement of the overhaul height of the car roof in some fields or when the height of the elevator roof used by a building is low, and the aim of effective overhaul and maintenance is difficult to achieve.

Secondly, current elevator safety maintenance device is in the use, in order to reduce the condition that the staff dropped, needs the staff to install protection facility in the sedan-chair top before the maintenance usually to increased the work degree of difficulty that the elevator overhauld, if install protection facility in the sedan-chair top, but higher protection setting can occupy the space on sedan-chair top.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides an elevator safety maintenance device, which solves the problem that the prior elevator safety maintenance device cannot be regulated in height generally in the use process.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an elevator safety overhaul device, includes the base, be equipped with the drive chamber in the base, it is equipped with two bi-directional screw to rotate in the drive chamber, one of them be equipped with biax motor on the bi-directional screw, biax motor is fixed to be set up in the drive chamber, two be connected with the drive belt structure between the bi-directional screw, every threaded connection has two movable blocks on the bi-directional screw, every the movable block passes through track structure and drive chamber sliding connection, every the movable block upper end hinge is connected with the bracing piece, bracing piece upper end handing-over is connected with the impeller, the impeller has the lifter through track structure sliding connection, two rotate between the bracing piece and be connected, the symmetry is taken out and is inserted and is equipped with four lifter, every two the lifter upper end all is connected with the guard bar, two be connected with two guard ropes between the guard bar, be convenient for carry out the regulation of height to the lifter, increased the flexibility of whole device to the requirement to different height when satisfying the elevator cab, more be convenient for the staff to maintain the elevator.

In a further preferred embodiment, each lifting rod lower end passes through the lifting plate and the base to be connected with a limiting block, and the lifting plate and the base are provided with limiting grooves matched with the lifting rods and the limiting blocks, so that the lifting rods can move conveniently.

In a further preferred embodiment, two fixing chambers are provided in each lifting rod, a fixing rod is inserted into one side of each fixing chamber, one end of each fixing rod is arranged in an inclined mode, the other end of each fixing rod penetrates through the fixing chamber to be connected with a pushing plate, and a first spring is arranged between the pushing plate and the fixing chamber to facilitate movement of the fixing rod.

In a further preferred embodiment, the upper end of the lifting plate is slidably connected with two pull rods through a track structure, and each pull rod is provided with two push rods matched with the fixing rod, so that the push rods can move conveniently.

In a further preferred embodiment, two support plates are symmetrically arranged on the lifting plate, a plurality of second springs are connected between each support plate and the pull rod, and fixing holes matched with the fixing rods are formed in the support plates, so that the fixing rods can be conveniently fixed.

In a further preferred mode, the base is symmetrically provided with two limiting shells, each limiting shell is internally provided with a jacking block in a sliding mode through a track structure, one end of each jacking block is provided with a clamping block, one side of each clamping block is provided with a plurality of anti-slip protrusions, and elevator descending protection is facilitated.

In a further preferred embodiment, the limiting shell is in threaded connection with a screw, and one end of the screw penetrates through the limiting shell and is in rotational connection with the top block through a bearing, so that the top block is pushed to move conveniently.

(III) beneficial effects

Compared with the prior art, the utility model provides an elevator safety maintenance device, which comprises the following components

The beneficial effects are that:

1. according to the elevator lifting device, the base, the driving chamber, the bidirectional screw rod, the double-shaft motor, the driving belt structure, the moving block, the supporting rod, the pushing block and the lifting plate are matched, so that the height of the lifting plate can be adjusted, the flexibility of the whole device is improved, the requirements of different heights in the process of overhauling the elevator car roof are met, and the elevator lifting device is more convenient for workers to maintain the elevator.

2. According to the elevator protection device, the lifting rod, the protection rope, the limiting block, the limiting groove, the fixing chamber, the fixing rod, the pushing plate, the first spring, the pull rod, the push rod, the supporting plate, the second spring and the fixing hole are matched, so that workers can be protected, and meanwhile, when the elevator protection device is not required to be used, the protection rod, the protection rope and the lifting rod are retracted, so that occupied space of a car roof is reduced, meanwhile, additional installation is not required before overhaul, the work difficulty of elevator overhaul is reduced, the operation is simple, and the elevator protection device is very convenient to use.

3. According to the elevator lifting device, the limiting shell, the jacking block, the clamping block, the anti-slip protrusions and the screw rod are matched, so that the elevator can be protected from descending, the damage to workers caused by unexpected descending of the elevator in the elevator overhauling process is prevented, potential safety hazards of workers in elevator overhauling are reduced, and the workers are protected.

Drawings

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

FIG. 2 is an enlarged schematic view of a portion of FIG. 1A according to the present utility model;

FIG. 3 is a schematic view showing a sectional structure of a driving chamber and a connecting part thereof according to the present utility model;

FIG. 4 is a schematic cross-sectional view of a limiting groove and a connecting part thereof according to the present utility model;

fig. 5 is an enlarged view of part of the B of fig. 4 according to the present utility model.

In the figure: 1. a base; 2. a driving chamber; 3. a bidirectional screw rod; 4. a biaxial motor; 5. a drive belt structure; 6. a moving block; 7. a support rod; 8. a pushing block; 9. a lifting plate; 10. a lifting rod; 11. a protective rod; 12. a protective rope; 13. a limiting block; 14. a limit groove; 15. a stationary chamber; 16. a fixed rod; 17. a pushing plate; 18. a first spring; 19. a pull rod; 20. a push rod; 21. a support plate; 22. a second spring; 23. a fixing hole; 24. a limit shell; 25. a top block; 26. a clamping block; 27. a slip preventing protrusion; 28. and (3) a screw.

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.

Embodiment one:

referring to fig. 1-5, an elevator safety maintenance device comprises a base 1, a driving chamber 2 is arranged in the base 1, two bidirectional screws 3 are rotationally arranged in the driving chamber 2, a double-shaft motor 4 is arranged on one bidirectional screw 3, the double-shaft motor 4 is fixedly arranged in the driving chamber 2, a transmission belt structure 5 is connected between the two bidirectional screws 3, two moving blocks 6 are connected to each bidirectional screw 3 in a threaded manner, each moving block 6 is slidably connected with the driving chamber 2 through a track structure, a supporting rod 7 is hinged to the upper end of each moving block 6, a pushing block 8 is connected to the upper end of each supporting rod 7 in a connecting manner, lifting plates 9 are slidably connected through the track structure, four lifting rods 10 are rotationally connected between the two supporting rods 7, four protection rods 11 are symmetrically inserted on the lifting plates 9, and two protection ropes 12 are connected between the two protection rods 11.

In this embodiment, the lower end of each lifting rod 10 passes through the lifting plate 9 and the base 1 to be connected with a limiting block 13, limiting grooves 14 matched with the lifting rods 10 and the limiting blocks 13 are formed in the lifting plate 9 and the base 1, when the lifting rods 10 move upwards, the lifting rods 10 drive the limiting blocks 13 to move in the limiting grooves 14, and the limiting blocks 13 limit the lifting rods 10 to prevent the lifting rods 10 from being separated from the limiting grooves 14.

In this embodiment, two fixing chambers 15 are disposed in each lifting rod 10, a fixing rod 16 is inserted into one side of each fixing chamber 15, one end of the fixing rod 16 is inclined, the other end of the fixing rod 16 passes through the fixing chamber 15 and is connected with a pushing plate 17, a first spring 18 is disposed between the pushing plate 17 and the fixing chamber 15, and when the fixing rod 16 moves, the fixing rod 16 drives the pushing plate 17 to move in the fixing chamber 15, and the first spring 18 is compressed.

In this embodiment, the upper end of the lifting plate 9 is slidably connected with two pull rods 19 through a track structure, each pull rod 19 is provided with two push rods 20 matched with the fixing rods 16, the pull rods 19 are pulled, the pull rods 19 move along the sliding connection positions with the lifting plate 9, and the pull rods 19 drive the push rods 20 to move.

In this embodiment, two support plates 21 are symmetrically disposed on the lifting plate 9, a plurality of second springs 22 are connected between each support plate 21 and the pull rod 19, a fixing hole 23 matched with the fixing rod 16 is disposed on the support plate 21, and when the push rod 20 moves, the push rod 20 is inserted into the fixing hole 23 and pushes the fixing rod 16, and the second springs 22 are compressed.

In this embodiment, two spacing shells 24 are symmetrically arranged on the base 1, a top block 25 is slidably connected in each spacing shell 24 through a track structure, a clamping block 26 is arranged at one end of the top block 25, a plurality of anti-slip protrusions 27 are arranged at one side of the clamping block 26, when the top block 25 moves in a direction away from the spacing shells 24, the top block 25 pushes the clamping block 26, the clamping block 26 is clamped on the wall of the elevator shaft, and the anti-slip protrusions 27 can increase friction between the clamping block 26 and the wall of the elevator shaft, so that the firmness of fixation is increased.

In this embodiment, the limiting shell 24 is in threaded connection with a screw 28, one end of the screw 28 passes through the limiting shell 24 and is rotatably connected with the top block 25 through a bearing, the screw 28 is rotated, and the screw 28 moves in the direction of the top block 25 and pushes the top block 25 while rotating.

Embodiment two:

in sum, when using, the whole device is installed in the sedan-chair top of elevator, when overhauling elevator sedan-chair top, the staff stands on lifter plate 9, pull out two protection bars 11, make protection bar 11 and protection rope 12 cooperate and protect the staff, specific operation is, pulling pull rod 19, pull rod 19 moves along the sliding connection department with lifter plate 9, simultaneously pull rod 19 drives two push rods 20 and removes, push rod 20 inserts in fixed orifices 23 and promotes dead lever 16, second spring 22 compresses, dead lever 16 drives push plate 17 and removes in fixed chamber 15, first spring 18 compresses, make dead lever 16 shift out fixed orifices 23, upwards pull protection bar 11, and loosen pull rod 19, pull rod 19 moves back to the normal position under the effect of second spring 22, protection bar 11 drives lifter 10 and stopper 13 and upwards moves in spacing groove 14, stopper 13 is spacing to prevent lifter 10 and spacing groove 14 to break away from, the dead lever 16 of lifter 10 below upwards moves, first spring 18 compresses, in the fixed orifices 23 when moving, thereby fix the dead lever 16 in the fixed orifice 23. When the protective rod 11 is required to be retracted, the opposite operation is used, and the upper fixing rod 16 is inserted into the fixing hole 23, so that the space of the car roof is saved.

Embodiment III:

in sum, when using, according to the high start biax motor 4 of elevator sedan-chair top maintenance, biax motor 4 drives one of them two-way lead screw 3 and rotates, two-way lead screw 3 drives another two-way lead screw 3 through drive belt structure 5 and rotates, thereby make two opposite screw thread areas on the two-way lead screw 3, when two-way lead screw 3 rotates, make two movable blocks 6 follow and drive room 2 sliding connection department and move towards adjacent direction, movable block 6 drives bracing piece 7 rotation, bracing piece 7 drives impeller block 8 along and lifter plate 9 sliding connection department and removes, simultaneously, bracing piece 7 can upwards promote impeller block 8, impeller block 8 upwards promotes lifter plate 9, thereby adjust lifter plate 9's height. After the height of the lifting plate 9 is adjusted, the two screws 28 are respectively rotated, the screws 28 can move towards the direction of the jacking block 25 and push the jacking block 25 to move along the sliding connection position with the limiting shell 24 while rotating, the jacking block 25 pushes the clamping block 26, the clamping block 26 is clamped on the wall of the elevator shaft, the anti-slip protrusions 27 can increase the friction between the clamping block 26 and the wall of the elevator shaft, so that the fixed firmness is increased, and the elevator is protected from falling.

In all the above mentioned embodiments, the welding, the matching connection of the bolt and the nut, the bolt or the screw connection or other known connection modes can be selected according to the actual situation, and are not described in detail herein, the above description refers to the write-in fixed connection, and the welding is preferentially considered, but the protection scope of the present utility model is not limited thereto, and any person skilled in the art should be covered by the protection scope of the present utility model if the technical scheme and the inventive concept thereof are equivalent or changed within the scope of the present utility model.

Claims

1. The utility model provides an elevator safety overhaul device, includes base (1), its characterized in that, be equipped with driving chamber (2) in base (1), driving chamber (2) internal rotation is equipped with two bi-directional lead screw (3), one of them be equipped with biax motor (4) on bi-directional lead screw (3), biax motor (4) are fixed to be set up in driving chamber (2), two be connected with drive belt structure (5) between bi-directional lead screw (3), every threaded connection has two movable blocks (6) on bi-directional lead screw (3), every movable block (6) pass through track structure and driving chamber (2) sliding connection, every movable block (6) upper end hinged connection has bracing piece (7), bracing piece (8) are connected with in hinged connection on bracing piece (7), sliding connection has lifter (9) through track structure sliding connection, two rotate between bracing piece (7), the symmetry is inserted and is equipped with four lifter (10) on lifter (9) lifter (10) upper end hinged with two protection ropes (11).

2. The elevator safety overhaul device according to claim 1, characterized in that: each lifting rod (10) lower extreme passes lifting plate (9) and base (1) and is connected with stopper (13), be equipped with on lifting plate (9) and base (1) with lifting rod (10) and stopper (13) matched with spacing groove (14).

3. The elevator safety maintenance apparatus according to claim 2, wherein: two fixing chambers (15) are arranged in each lifting rod (10), a fixing rod (16) is inserted into one side of each fixing chamber (15), one end of each fixing rod (16) is obliquely arranged, the other end of each fixing rod (16) penetrates through each fixing chamber (15) to be connected with a pushing plate (17), and a first spring (18) is arranged between each pushing plate (17) and each fixing chamber (15).

4. The elevator safety overhaul device according to claim 1, characterized in that: the upper end of the lifting plate (9) is slidably connected with two pull rods (19) through a track structure, and each pull rod (19) is provided with two push rods (20) matched with the fixed rods (16).

5. The elevator safety maintenance apparatus of claim 4, wherein: two supporting plates (21) are symmetrically arranged on the lifting plate (9), a plurality of second springs (22) are connected between each supporting plate (21) and the pull rod (19), and fixing holes (23) matched with the fixing rods (16) are formed in the supporting plates (21).

6. The elevator safety overhaul device according to claim 1, characterized in that: two limiting shells (24) are symmetrically arranged on the base (1), a jacking block (25) is slidably connected in each limiting shell (24) through a track structure, a clamping block (26) is arranged at one end of the jacking block (25), and a plurality of anti-slip protrusions (27) are arranged on one side of the clamping block (26).

7. The elevator safety maintenance apparatus of claim 6, wherein: the limiting shell (24) is in threaded connection with a screw rod (28), and one end of the screw rod (28) penetrates through the limiting shell (24) and is in rotary connection with the top block (25) through a bearing.