Auxiliary safety protection device for maintenance of elevator car roof

Abstract

The utility model belongs to the technical field of elevator protection, and particularly relates to an elevator car roof overhaul auxiliary safety protection device which comprises an overhaul frame, a protection mechanism is fixedly installed at the bottom of the overhaul frame, and a fixing mechanism is fixedly installed on the inner surface of the overhaul frame. The protection mechanism comprises a sliding groove, the sliding groove is formed in the bottom of the overhauling frame, a sliding frame is slidably installed on the inner surface of the sliding groove, an extending frame is rotatably installed on the outer surface of the sliding frame, a main buckle is slidably installed on the inner surface of the extending frame, a fixed buckle is movably installed on the inner surface of the main buckle, and a stretching buckle is movably installed on the inner surface of the main buckle. According to the elevator car roof overhaul auxiliary safety protection device, a safety rope is fixed to a fixing buckle, then a pull rope is fixed to a stretching buckle, when a maintainer conducts maintenance, the safety rope is kept in the air and drives the fixing buckle to move, the fixing buckle drives an extending frame to move through a main buckle, and the safety rope is fixed to the main buckle; the extending frame moves in the sliding groove through the sliding frame, so that the safety rope is kept in the air.

Description

TECHNICAL FIELD

[0001] The utility model relates to elevator protection technical field especially relates to elevator car roof overhauls auxiliary safety protection device. BACKGROUND

[0002] The elevator is a kind of high-speed lifting equipment for high-rise building, commonly known as step type, track type and car type three, among them, car elevator is most common, widely installs in office building, shopping mall and residential building and uses, car elevator is mainly composed of traction system, guide system, car, door system, weight balance system, electrical control system and safety protection system etc., to ensure the normal work of car elevator, must periodically overhaul car elevator comprehensively, when overhauling the equipment installed on the top of car, need to control car to stop to the bottom floor, prevent car from falling in the process of overhauling, and the overhauling personnel reach the top of car by elevator shaft, and overhaul equipment.

[0003] In order to ensure the safety of overhauling personnel in the process of overhauling, usually tie up safety rope on the body of overhauling personnel, and the other end of safety rope is fixed on nearby building, which will exist following problems in actual operation:

[0004] 1) since elevator shaft is not provided with the structure that can fix safety rope, usually fix safety rope on nearby building, leading to that safety rope is rubbed and cut in the state of being straightened with the edge of elevator shaft;

[0005] 2) safety rope will have a section falling on the top of elevator, will move along with overhauling personnel, easily entangle on the equipment above elevator, interfere with overhauling personnel to overhaul elevator. UTILITY MODEL CONTENTS

[0006] In order to overcome the defects of prior art pointed out above, the present application has been developed after deep research and a lot of creative labor.

[0007] Specifically, the technical problem to be solved by the utility model is to provide elevator car roof overhauls auxiliary safety protection device, to solve the technical problem that the safety rope of current maintenance personnel is directly fixed on nearby building, and the straightened safety rope is easily rubbed with the edge of elevator corridor, and the safety rope is easily entangled on the equipment on the top of elevator.

[0008] To solve the above technical problems, the utility model provides the following technical scheme:

[0009] Elevator car roof overhauls auxiliary safety protection device, including overhaul frame, the bottom of overhaul frame is fixedly installed with protection mechanism, the inner surface of overhaul frame is fixedly installed with fixed mechanism;

[0010] The protection mechanism comprises a sliding groove, which is arranged on the bottom of the maintenance frame, a sliding frame is slidably arranged on the inner surface of the sliding groove, an extension frame is rotatably arranged on the outer surface of the sliding frame, a main buckle is slidably arranged on the inner surface of the extension frame, a fixing buckle is movably arranged on the inner surface of the main buckle, and a stretching buckle is movably arranged on the inner surface of the main buckle.

[0011] As an improved technical scheme, the extension assembly further comprises a connecting frame, the outer surface of the connecting frame is fixedly connected with the inner surface of the maintenance frame, a first threaded rod is rotatably arranged on the inner surface of the connecting frame, a worm wheel is fixedly arranged on the outer surface of the first threaded rod, and the outer surface of the worm wheel is engaged with the outer surface of a worm.

[0012] As an improved technical scheme, the extension assembly further comprises an extension rod, the outer surface of the extension rod is slidably connected with the inner surface of the maintenance frame, and the inner surface of the extension rod is threadedly connected with the outer surface of the first threaded rod.

[0013] As an improved technical scheme, the fixing mechanism comprises a fixing assembly, the fixing assembly comprises a first clamping frame, the opposite sides of the two first clamping frames are fixedly connected with the sides of the two extension rods away from each other, a second clamping frame is slidably arranged on the inner surface of the first clamping frame, and an internally threaded column is fixedly arranged on the inner surface of the first clamping frame.

[0014] As an improved technical scheme, the fixing assembly further comprises a second threaded rod, the outer surface of the second threaded rod is threadedly connected with the inner surface of the internally threaded column, the outer surface of the second threaded rod is rotatably connected with the outer surface of the second clamping frame, the front end of the second threaded rod penetrates through the second clamping frame and extends to the outside of the second clamping frame, and a hexagonal block is fixedly arranged on the front end of the second threaded rod.

[0015] After the above technical scheme is adopted, the beneficial effects of the utility model are as follows:

[0016] 1、The utility model discloses a vertical fixed safety rope design is increased, and through the cooperation of the fixed buckle, the stretching buckle and the main buckle, the safety rope is fixed on the detection frame in the elevator shaft, so that the safety rope does not rub the edge of the elevator shaft in the straight state, and the problem that the safety rope is cut off is solved.

[0017] 2. The utility model discloses a design that the maintenance safety device is fixed in the elevator shaft through increasing, through the cooperation of maintenance frame and extension assembly, through electric wrench, can the two extension rods move outward, open the maintenance frame, move two groups no. 1 card frame and no. 2 card frame to the elevator shaft slide frame, through the cooperation of no. 2 threaded rod and hexagonal block and internal thread column and no. 2 card frame, make the maintenance frame fixed on the elevator shaft slide frame, make the safety rope fixed in the elevator shaft directly, need not the effect that the safety rope is fixed on the nearby building. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be briefly introduced to the drawing needed to be used in the embodiment description, obviously, the drawing in the following description only some embodiments of the utility model, for the ordinary skilled person in the art, under the premise of not paying the creative labor, still can obtain other drawings according to these drawings. Wherein:

[0019] Figure 1 It is the whole structure schematic diagram of the utility model elevator car roof maintenance auxiliary safety protection device.

[0020] Figure 2 It is the protection mechanism three-dimensional structure schematic diagram of the utility model elevator car roof maintenance auxiliary safety protection device.

[0021] Figure 3 It is the maintenance frame three-dimensional sectional structure schematic diagram of the utility model elevator car roof maintenance auxiliary safety protection device.

[0022] Figure 4 It is the fixed mechanism three-dimensional sectional structure schematic diagram of the utility model elevator car roof maintenance auxiliary safety protection device.

[0023] Mark explanation:

[0024] 1, maintenance frame;2, protection mechanism;21, sliding groove;22, sliding frame;23, extension frame;24, main buckle;25, fixed buckle;26, stretch buckle;3, fixed mechanism;31, extension assembly;311, worm;312, connecting frame;313, no. 1 threaded rod;314, worm wheel;315, extension rod;32, fixed assembly;321, no. 1 card frame;322, no. 2 card frame;323, internal thread column;324, no. 2 threaded rod;325, hexagonal block. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present utility model.

[0026] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present utility model are only used to explain the relative positional relationship, movement condition, etc. between components in a certain posture (as shown in the drawings), and if the certain posture changes, the directional indications will also change accordingly.

[0027] Meanwhile, "and / or" or "and / or" appearing throughout the text means that it includes three schemes. Taking "A and / or B" as an example, it includes A scheme, or B scheme, or A and B schemes.

[0028] In addition, the description of "first", "second" and the like in the present utility model is only for the purpose of description, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the present utility model.

[0029] As Figure 1 and Figure 2 As shown in the drawings, the present embodiment provides an elevator car top maintenance auxiliary safety protection device, which comprises a maintenance frame 1, a protection mechanism 2 is fixedly installed at the bottom of the maintenance frame 1, and a fixing mechanism 3 is fixedly installed on the inner surface of the maintenance frame 1.

[0030] The protection mechanism 2 comprises a sliding groove 21, the sliding groove 21 is arranged at the bottom of the maintenance frame 1, a sliding frame 22 is slidably installed on the inner surface of the sliding groove 21, an extension frame 23 is rotatably installed on the outer surface of the sliding frame 22, a main buckle 24 is slidably installed on the inner surface of the extension frame 23, a fixed buckle 25 is movably installed on the inner surface of the main buckle 24, and a stretching buckle 26 is movably installed on the inner surface of the main buckle 24.

[0031] The main buckle 24, the fixed buckle 25 and the stretching buckle 26 are all D-shaped aluminum alloy buckles.

[0032] As Figure 3 and Figure 4As shown in the figures, the extension assembly 31 further comprises a connecting frame 312, an outer surface of the connecting frame 312 is fixedly connected with an inner surface of the maintenance frame 1, an inner surface of the connecting frame 312 is rotatably installed with a first threaded rod 313, an outer surface of the first threaded rod 313 is fixedly installed with a worm wheel 314, an outer surface of the worm wheel 314 is engaged with an outer surface of the worm gear 311.

[0033] A hexagonal block for the rotation of the electric wrench is arranged at a rear end of the worm gear 311, so that the staff can drive the worm gear 311 to rotate by using the electric wrench, and the first threaded rod 313 is a positive and negative threaded rod, so that when the first threaded rod 313 rotates, the two extension rods 315 can be driven to move inward or outward.

[0034] As shown in the figures, Figure 3 and Figure 4 As shown in the figures, the extension assembly 31 further comprises an extension rod 315, an outer surface of the extension rod 315 is slidably connected with an inner surface of the maintenance frame 1, and an inner surface of the extension rod 315 is threadedly connected with an outer surface of the first threaded rod 313.

[0035] The extension rod 315 has two.

[0036] As shown in the figures, Figure 3 and Figure 4 As shown in the figures, the fixing mechanism 3 comprises a fixing assembly 32, the fixing assembly 32 comprises a first clamping frame 321, opposite sides of the two first clamping frames 321 are fixedly connected with sides of the two extension rods 315 away from each other, an inner surface of the first clamping frame 321 is slidably installed with a second clamping frame 322, and an inner surface of the first clamping frame 321 is fixedly installed with an internally threaded column 323.

[0037] The second clamping frame 322 can be retracted into the first clamping frame 321, so that the first clamping frame 321 and the second clamping frame 322 are combined into an integral whole.

[0038] As shown in the figures, Figure 3 and Figure 4 As shown in the figures, the fixing assembly 32 further comprises a second threaded rod 324, an outer surface of the second threaded rod 324 is threadedly connected with an inner surface of the internally threaded column 323, an outer surface of the second threaded rod 324 is rotatably connected with an outer surface of the second clamping frame 322, a front end of the second threaded rod 324 extends to an outside of the second clamping frame 322 by penetrating through the second clamping frame 322, and a hexagonal block 325 is fixedly installed at the front end of the second threaded rod 324.

[0039] In use, the user first puts the maintenance frame 1 into the elevator shaft, then rotates the worm 311 using the electric wrench, the worm 311 drives the first threaded rod 313 through the worm gear 314, the first threaded rod 313 drives the two extension rods 315 to move outward, the extension rods 315 drive the two groups of fixed assemblies 32 to move to the sliding frame of the elevator shaft, then rotate the hexagonal block 325, the hexagonal block 325 drives the second threaded rod 324 to rotate, the second threaded rod 324 drives the second clamping frame 322 to move into the first clamping frame 321 through the internal threaded column 323, so that the first clamping frame 321 and the second clamping frame 322 are combined into one whole, and the first clamping frame 321 and the second clamping frame 322 are fixed to the sliding frame of the elevator shaft, then the user fixes the safety rope to the fixed buckle 25, and then fixes the pull rope to the stretching buckle 26, when the maintenance personnel are repairing, the safety rope remains in the air and drives the fixed buckle 25 to move, the fixed buckle 25 drives the extension frame 23 to move through the main buckle 24, the extension frame 23 moves in the sliding groove 21 through the sliding frame 22, so that the safety rope remains in the air and does not affect the maintenance personnel to repair, at the same time, when the elevator falls, the safety rope will be in a straight state with the fixed buckle 25 and ensure the safety of the maintenance personnel, then the maintenance personnel in the corridor will pull the pull rope, the pull rope drives the stretching buckle 26 to move, the stretching buckle 26 moves through the main buckle 24, and the fixed buckle 25 is pulled to the middle part of the maintenance frame 1, which is convenient for pulling the maintenance personnel back to the floor.

[0040] It should be understood that the use of these embodiments is only for the purpose of illustrating the present application and is not intended to limit the scope of protection of the present application. In addition, it should also be understood that after reading the technical content of the present application, those skilled in the art can make various modifications, modifications and / or deformations to the present application, all of these equivalent forms also fall within the protection scope defined by the claims attached to the present application.

Claims

1. An auxiliary safety protection device for maintenance of an elevator car top, comprising a maintenance frame (1), characterized in that: A protection mechanism (2) is fixedly mounted on the bottom of the inspection frame (1), and a fixing mechanism (3) is fixedly mounted on the inner surface of the inspection frame (1); The protection mechanism (2) includes a slide groove (21), the slide groove (21) is opened at the bottom of the maintenance frame (1), a sliding frame (22) is slidably mounted on the inner surface of the slide groove (21), an extension frame (23) is rotatably mounted on the outer surface of the sliding frame (22), a main buckle (24) is slidably mounted on the inner surface of the extension frame (23), a fixed buckle (25) is movably mounted on the inner surface of the main buckle (24), and a stretching buckle (26) is movably mounted on the inner surface of the main buckle (24).

2. The elevator car top maintenance auxiliary safety protection device according to claim 1 is characterized in that: An extension assembly (31) is fixedly mounted on the inner surface of the fixing mechanism (3), and the extension assembly (31) comprises a worm (311), the rear end of the worm (311) passing through the maintenance frame (1) and extending to the outside of the maintenance frame (1).

3. The elevator car top maintenance auxiliary safety protection device according to claim 2 is characterized in that: The extension assembly (31) further comprises a connecting frame (312), the outer surface of the connecting frame (312) being fixedly connected to the inner surface of the maintenance frame (1), a No. 1 threaded rod (313) being rotatably mounted on the inner surface of the connecting frame (312), a worm gear (314) being fixedly mounted on the outer surface of the No. 1 threaded rod (313), and the outer surface of the worm gear (314) being meshed with the outer surface of the worm (311).

4. The elevator car top maintenance auxiliary safety protection device according to claim 2 is characterized in that: The extension assembly (31) further comprises an extension rod (315), the outer surface of the extension rod (315) being slidably connected to the inner surface of the maintenance frame (1), and the inner surface of the extension rod (315) being threadedly connected to the outer surface of the No. 1 threaded rod (313).

5. The elevator car top maintenance auxiliary safety protection device according to claim 1 is characterized in that: The fixing mechanism (3) includes a fixing assembly (32), the fixing assembly (32) includes a first card frame (321), the two first card frames (321) having opposite sides fixedly connected to the sides of the two extension rods (315) that are away from each other, the second card frame (322) being slidably mounted on the inner surface of the first card frame (321), and the inner surface of the first card frame (321) being fixedly mounted with an internal threaded column (323).

6. The elevator car top maintenance auxiliary safety protection device according to claim 5 is characterized in that: The fixing assembly (32) further includes a second threaded rod (324), the outer surface of the second threaded rod (324) being threadedly connected to the inner surface of the internal threaded column (323), the outer surface of the second threaded rod (324) being rotatably connected to the outer surface of the second clamping frame (322), the front end of the second threaded rod (324) passing through the second clamping frame (322) and extending to the outside of the second clamping frame (322), and the front end of the second threaded rod (324) being fixedly mounted with a hexagonal block (325).

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