CN216038017U

CN216038017U - Car safety fixing frame for elevator maintenance

Info

Publication number: CN216038017U
Application number: CN202122662661.9U
Authority: CN
Inventors: 冯双昌; 陈杰; 王晨; 王博; 梁艳春
Original assignee: Shanghai Special Equipment Supervision and Inspection Technology Institute
Current assignee: Shanghai Special Equipment Supervision and Inspection Technology Institute
Priority date: 2021-11-02
Filing date: 2021-11-02
Publication date: 2022-03-15
Anticipated expiration: 2031-11-02

Abstract

The utility model discloses a car safety fixing frame for elevator maintenance, which is characterized by comprising a detection frame body, wherein the top of the detection frame body is provided with a fixing socket into which a hook at the bottom of a car can be inserted; the end part of the connecting rod inserted into the fixed socket is smaller than the hook hole in the hook; the bottom of test rack body is equipped with the fixed plate that is used for fixing in elevator well bottom, lies in on the fixed plate to be equipped with buffer structure between fixed plate and the test rack body. The detection frame body is fixed at the bottom of the elevator shaft, and the lift car is fixed at the top of the detection frame body, so that the top-rushing or bottom-squating accidents caused by the out-of-control lift car can be prevented, and the safety of operating personnel in a pit and the top of the lift car is protected.

Description

Car safety fixing frame for elevator maintenance

Technical Field

The utility model relates to a car safety fixing frame for elevator maintenance, and belongs to the technical field of elevator maintenance equipment.

Background

The elevator becomes one of the necessary devices in daily life, and is widely applied to malls, high-rise office buildings and high-rise residential buildings. However, since the elevator as a vehicle travels between a high floor and the ground, it is dangerous, and thus, it is necessary to periodically perform maintenance, to ensure the normal operation of the elevator, and to ensure the safety of passengers. In the elevator maintenance process, the lift car is required to be moved to the bottommost part of the lift shaft usually, the lift car is fixed, the lift car is prevented from being out of control to cause top rushing or bottom squatting accidents, and the safety of a pit and lift car top operating personnel is protected.

But current elevator car overhauls uses protective structure not comprehensive enough to maintenance personal's protection, when fixed to the car, produces the potential safety hazard easily, and fixes comparatively inconveniently to the elevator car, influences work efficiency.

Disclosure of Invention

The technical problem to be solved by the utility model is as follows: how to fix elevator car fast, improve the security performance.

In order to solve the technical problem, the utility model provides a car safety fixing frame for elevator maintenance, which is characterized by comprising a detection frame body, wherein the top of the detection frame body is provided with a fixing socket into which a hook at the bottom of a car can be inserted; the end part of the connecting rod inserted into the fixed socket is smaller than the hook hole in the hook; the bottom of test rack body is equipped with the fixed plate that is used for fixing in elevator well bottom, lies in on the fixed plate to be equipped with buffer structure between fixed plate and the test rack body.

Preferably, the fixing socket penetrates through the bottom of the detection frame body.

Preferably, a rubber pad is fixed on the periphery of the top of the fixing socket.

Preferably, a guide slope convenient for guiding and inserting the hook is arranged in the fixed socket.

Preferably, the fixed knot construct including the fixed slot, the fixed slot is the extension section of interpolation hole in the test stand body, the jack has common axis with the fixed slot, the internal surface of fixed slot is equipped with the internal thread, the one end of connecting rod is fixed with the rotor, the surface of the connecting rod other end is equipped with the external screw thread, the external screw thread on the connecting rod matches with the internal thread on the fixed slot.

Preferably, the buffer structure comprises a plurality of groups of telescopic grooves on the fixed plate, telescopic rods capable of stretching up and down are inserted in the telescopic grooves, telescopic springs are sleeved on the telescopic grooves, one ends of the telescopic springs are connected with one ends of the telescopic rods, and the other ends of the telescopic springs are connected with the upper surface of the fixed plate.

Preferably, the fixing plate is provided with a fixing bolt connected with the bottom of the elevator shaft.

Compared with the prior art, the utility model has the following beneficial effects:

1. the detection frame body is fixed at the bottom of the elevator shaft, and the lift car is fixed at the top of the detection frame body, so that the top-rushing or bottom-squating accidents caused by the out-of-control lift car can be prevented, and the safety of operating personnel in a pit and the top of the lift car is protected.

2. The rubber pad can reduce the friction of car to the testing stand body for can protect the testing stand body, insert flexible inslot portion through the telescopic link that sets up simultaneously, and compress expanding spring, make the cushion effect who produces when slowing down the car and descend.

Drawings

FIG. 1 is a schematic structural view of a car safety fixing frame for elevator maintenance;

FIG. 2 is a side perspective view of the test stand body with a connecting rod inserted therein.

Detailed Description

In order to make the utility model more comprehensible, preferred embodiments are described in detail below with reference to the accompanying drawings.

The utility model provides a car safety fixing frame for elevator maintenance, which comprises a detection frame body 1, wherein the detection frame body 1 is arranged in a cuboid shape, two groups of fixing sockets 11 are arranged at the top of the detection frame body 1, the fixing sockets 11 penetrate through the bottom of the detection frame body 1, rubber pads 111 are fixed on the periphery of the top of the fixing sockets 11, guide slopes 12 from top to bottom and from outside to inside are arranged on two sides of the inside of the fixing sockets 11, one side of the detection frame body 1 is provided with a jack 13, the jack 13 is communicated with the fixing sockets 11, a fixing groove 16 is arranged at the extending position of the jack 13, the jack 13 and the fixing groove 16 have a common central axis, a connecting rod 14 is arranged inside the jack 13, one end of the connecting rod 14 is fixed with a rotating head 15, the outer surface of the other end of the connecting rod 14 is provided with an external thread, and the inner surface of the fixing groove 16 is provided with an internal thread, fixed plate 2 is installed to the bottom of

test rack body

1, and 2 tops of fixed plate are provided with four group's telescopic slot 32, and it has telescopic link 3 to peg graft at telescopic slot 32's top, and telescopic link 3 can stretch out and draw back from top to bottom in telescopic slot 32's inside, and telescopic spring 31 is installed to telescopic slot 32's surface mounting, and telescopic spring 31's one end is connected with telescopic link 3's one end, and telescopic spring 31's the other end and fixed plate 2's upper surface connection. The top of the fixed plate 2 is provided with a plurality of fixing bolts 21.

The top of the detection frame body 1 is provided with the lift car 4, the bottom of the lift car 4 is provided with the hook 41 in a threaded manner, and the hook 41 is internally provided with the hook hole 42. The fixing plate 2 is mounted on the bottom of the elevator shaft, and the fixing plate 2 is fixed on the bottom of the elevator shaft by fixing bolts 21.

The using process of the utility model is as follows:

when the elevator car is used, an inspector descends the elevator car, and at this time, the hook 41 at the bottom of the elevator car 4 is inserted into the fixed socket 11, the hook 41 is guided by the guide slope 12, and the hook 41 is inserted into the fixed socket 11. After the hook 41 is completely inserted into the fixing socket 11, the connecting rod 14 is inserted into the insertion hole 13 and the hook hole 42, and the connecting rod 14 is rotated to fix the connecting rod 14 inside the fixing groove 16, so that the car 4 is fixed on the top of the cage body 1. Utilize rubber pad 111 to reduce the friction of car 4 to the testing stand body 1 for can protect the testing stand body 1, insert inside telescopic slot 32 through the telescopic link 3 that sets up simultaneously, and compress expanding spring 31, make the cushion effect who produces when slowing down car 4 and descend.

Claims

1. A car safety fixing frame for elevator maintenance is characterized by comprising a detection frame body (1), wherein a fixing socket (11) for inserting a hook (41) at the bottom of a car (4) is arranged at the top of the detection frame body (1), an insertion hole (13) is formed in one side of the detection frame body (1), the insertion hole (13) is communicated with the fixing socket (11), a connecting rod (14) is arranged in the insertion hole (13), and the connecting rod (14) is fixedly connected with the detection frame body (1) through a fixing structure; the end part of the connecting rod (14) inserted into the fixed socket (11) is smaller than a hook hole (42) in the hook (41); the bottom of the detection frame body (1) is provided with a fixing plate (2) used for being fixed at the bottom of an elevator shaft, and a buffer structure is arranged between the fixing plate (2) and the detection frame body (1) on the fixing plate (2).

2. The safety fixed frame of the elevator car for overhauling as set forth in claim 1, characterized in that the fixing socket (11) penetrates the bottom of the detecting frame body (1).

3. The safety fixed frame of the elevator cage for overhauling as set forth in claim 1, wherein a rubber pad (111) is fixed to the periphery of the top of the fixed socket (11).

4. The safety fixed frame of the elevator cage for overhauling as set forth in claim 1, wherein the fixed inserting opening (11) is provided with a guide slope (12) for guiding the insertion of the hook (41).

5. The safety fixed frame of the elevator car for overhauling as set forth in claim 1, wherein the fixed structure comprises a fixed groove (16), the fixed groove (16) is an extension of the insertion hole (13) in the detecting frame body (1), the insertion hole (13) and the fixed groove (16) share a common central axis, an internal thread is provided on the inner surface of the fixed groove (16), a rotating head (15) is fixed on one end of the connecting rod (14), an external thread is provided on the outer surface of the other end of the connecting rod (14), and the external thread on the connecting rod (14) is matched with the internal thread on the fixed groove (16).

6. The safety fixed frame of the elevator car for overhauling as per claim 1, wherein the buffer structure comprises a plurality of groups of telescopic grooves (32) on the fixed plate (2), the telescopic rods (3) capable of extending up and down are inserted in the telescopic grooves (32), the telescopic springs (31) are sleeved on the telescopic grooves (32), one end of each telescopic spring (31) is connected with one end of each telescopic rod (3), and the other end of each telescopic spring (31) is connected with the upper surface of the fixed plate (2).

7. The safety fixing frame of the elevator car for overhauling as set forth in claim 1, characterized in that the fixing plate (2) is provided with a fixing bolt (21) connected with the bottom of the elevator shaft.