CN216770853U

CN216770853U - Elevator door opening force tester

Info

Publication number: CN216770853U
Application number: CN202122746788.9U
Authority: CN
Inventors: 冯双昌; 陈杰; 王晨; 刘鹏博; 牛旷野
Original assignee: Shanghai Special Equipment Supervision and Inspection Technology Institute
Current assignee: Shanghai Special Equipment Supervision and Inspection Technology Institute
Priority date: 2021-11-10
Filing date: 2021-11-10
Publication date: 2022-06-17
Anticipated expiration: 2031-11-10

Abstract

The utility model discloses an elevator door opening force tester which comprises a base, wherein a first sliding block and a second sliding block which slide relatively are arranged on the base, the lower surface of the first sliding block is fixedly connected with a first groove plate, the lower surface of the second sliding block is fixedly connected with a second plate, the first groove plate and the second plate are connected in a nesting matching mode in the sliding direction of the first sliding block and the second sliding block, a pressure sensor is fixed on the upper surface of the first sliding block, an electric push rod is fixed on the upper surface of the second sliding block, an output shaft of the electric push rod is fixedly connected with a rubber pad, the rubber pad is arranged at a position right opposite to the pressure sensor, and two sides of the base are respectively provided with a telescopic device used for connecting elevator door frames with different widths. According to the utility model, when the electric push rod is slowly extended, the electric push rod drives the rubber pad to move towards the direction close to the pressure sensor, and when the electric push rod is retracted, the first sliding block and the second sliding block can be inwardly tightened to automatically recover to the initial state.

Description

Elevator door opening force tester

Technical Field

The utility model relates to an elevator door opening force tester, and belongs to the technical field of elevator equipment.

Background

The elevator door opening force is an important safety index of an elevator, in elevator manufacturing and installation safety specifications, the elevator car door opening force has clear requirements, so the elevator is maintained before use and daily, and standard inspection is required during maintenance, when the elevator door opening force is detected, in order to quantitatively judge whether the elevator door opening force meets standard requirements, relevant force value parameters required in standard terms must be accurately measured, common measuring instruments are used, a handheld mode is mostly adopted, when the measuring is carried out, measuring errors are easily caused, the workload of maintainers is increased, and the working efficiency of the maintainers is reduced.

Disclosure of Invention

The technical problem to be solved by the utility model is as follows: how to reduce the measurement error of a measuring instrument when the door opening force of the elevator is detected.

In order to solve the technical problem, the utility model provides an elevator door opening force tester which is characterized by comprising a base, wherein a first sliding block and a second sliding block which slide relatively are arranged on the base, the lower surface of the first sliding block is fixedly connected with a first groove plate, the lower surface of the second sliding block is fixedly connected with a second plate, the first groove plate and the second plate are connected in a nesting matching mode in the sliding direction of the first sliding block and the second sliding block, a pressure sensor is fixed on the upper surface of the first sliding block, an electric push rod is fixed on the upper surface of the second sliding block, one end, close to the pressure sensor, of an output shaft of the electric push rod is fixedly connected with a rubber pad, the rubber pad is arranged at a position opposite to the pressure sensor, and two sides of the base are respectively provided with a telescopic device used for connecting elevator doors with different widths.

Preferably, the middle of the base is provided with a through groove, a guide rod is arranged in the through groove, and the first sliding block and the second sliding block are both sleeved on the guide rod in a sliding manner.

Preferably, the first groove plate is a U-shaped plate, the second plate is a square plate, and the square plate is matched with the U-shaped groove of the U-shaped plate.

Preferably, the telescoping device include sleeve pipe, sleeve, gag lever post, extension rod, solid fixed ring, the both sides of base all are fixed with sleeve pipe and sleeve, the tip of keeping away from the base on the sleeve cup joints with the one end activity of gag lever post, the tip of keeping away from the base on the sleeve pipe passes through solid fixed ring swing joint with the one end of extension rod, the other end of extension rod, the other end of gag lever post all with backup pad fixed connection.

Preferably, the surface of the sleeve is sleeved with a fixing ring through a bearing, and the inner wall of the fixing ring is connected with the surface of the extension rod through threads; the surface of the extension rod is provided with tightening threads.

Preferably, the limiting rod is sleeved with a spring, one end of the spring is fixedly connected with one end of the sleeve, and the other end of the spring is fixedly connected with the surface of the supporting plate.

Preferably, the base is U-shaped; each side of the two sides of the U-shaped base is connected with a sleeve and a sleeve.

Preferably, the output shaft of the electric push rod is movably sleeved in a limiting plate, and the limiting plate is fixed on the upper surface of the first sliding block.

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

1. by arranging the sleeve, the extension rod, the fixing ring and the supporting plate, the fixing ring can stably connect the extension rods which are extended to different lengths with the sleeve, the surface of the supporting plate is abutted against an elevator door frame, the whole instrument can be fixed on the elevator door frame, the instrument does not need to be held by hands, and the instrument is fixed stably, so that the measurement is more accurate and is adaptive to elevator doors with different widths;

2. the electric push rod, the limiting plate and the rubber pad are arranged, the limiting plate connects the two sliding blocks together, when the electric push rod slowly extends, the electric push rod drives the rubber pad to move towards the direction close to the pressure sensor, when the electric push rod retracts, the first sliding block and the second sliding block can be inwardly tightened and automatically restored to an initial state, and the problems that the sliding blocks are not easy to separate and are inconvenient to retract are solved;

3. through setting up sleeve, gag lever post, spring, the gag lever post of extension can be pulled back to the spring, lets the backup pad after the measurement automatic recovery to the state of adduction, and in the convenient cover pipe of receiving the extension rod, the inconvenient daily problem of accomodating was solved.

Drawings

Fig. 1 is a schematic structural view (upper surface) of an elevator door opening force tester;

FIG. 2 is an enlarged view of a portion of the portion A of FIG. 1;

fig. 3 is a schematic structural view (lower surface) of an elevator door opening force tester.

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 an elevator door opening force tester, which comprises a base 1, a first sliding block 3 and a second sliding block 4, wherein the base 1 is U-shaped, the surface of the base 1 is provided with a through groove, a guide rod 2 is arranged in the through groove, the first sliding block 3 and the second sliding block 4 are both sheathed on the guide rod 2 in a sliding way, the lower surface of the first sliding block 3 is fixedly connected with a U-shaped plate 5, the lower surface of the second sliding block 4 is fixedly connected with a square plate 6, the upper surface of the first sliding block 3 is fixedly provided with a pressure sensor 10, the upper surface of the second sliding block 4 is fixedly provided with an electric push rod 7, the surface of an output shaft of the electric push rod 7 is movably sheathed with a limit plate 8, the surface of the limit plate 8 is fixedly connected with the surface of the first sliding block 3, one end of the electric push rod 7 close to the pressure sensor 10 is fixedly connected with a rubber pad 9, the surface of the rubber pad 9 is movably connected with the surface of the pressure sensor 10, base 1's surface is fixed with sleeve pipe 11 and sleeve 13 respectively, sleeve pipe 11's inner wall and extension rod 12's surface swing joint, sleeve pipe 11's surface has cup jointed solid fixed ring 16 through the bearing, gu fixed ring 16's inner wall and extension rod 12's surface threaded connection, extension rod 12's surface is provided with tightens up screw thread 15, extension rod 12 keeps away from sleeve pipe 11's one end and backup pad 18's fixed surface and is connected, sleeve 13's inner wall and gag lever post 14's movable surface connection, gag lever post 14's the one end of keeping away from sleeve 13 is connected with the fixed surface of backup pad 18, spring 17 has been cup jointed on gag lever post 14's surface, spring 17's one end and sleeve 13's one end fixed connection, spring 17's the other end and backup pad 18's fixed surface connection.

The specific working process of the utility model is as follows:

in an initial state, the square plate 6 is clamped inside the U-shaped plate 5, the U-shaped plate 5 and the square plate 6 are inserted into a gap of an elevator door, the fixing ring 16 is rotated to separate the fixing ring 16 from the extension rod 12, the support plate 18 is pulled to enable the surface of the support plate 18 to be in contact with a door frame of the elevator, at the moment, the spring 17 is in a stretching state, the fixing ring 16 is rotated reversely to fix the extension rod 12, after the extension rods 12 on the two sides are fixed, the electric push rod 7 is started, the electric push rod 7 drives the rubber pad 9 to move towards a direction close to the pressure sensor 10 to abut against the pressure sensor 10 on the first sliding block 3, along with slow extension of the electric push rod 7, the first sliding block 3 and the second sliding block 4 are pushed to be separated slowly, the U-shaped plate 5 and the square plate 6 move away from each other to separate the elevator door, and at the moment, the magnitude of the door opening force of the elevator is obtained through the pressure sensor 10.

Claims

1. The utility model provides an elevator door opening force tester, a serial communication port, including base (1), be equipped with relative slip's first slider (3) and second slider (4) on base (1), the lower fixed surface of first slider (3) is connected with first frid, the lower fixed surface of second slider (4) is connected with the second board, through nested accordant connection in the slip direction of first slider (3) and second slider (4) between first frid and the second board, surface mounting has pressure sensor (10) on first slider (3), surface mounting has electric putter (7) on second slider (4), the one end fixedly connected with rubber pad (9) that the output shaft of electric putter (7) is close to pressure sensor (10), the position just to pressure sensor (10) is located to rubber pad (9), the both sides of base (1) are equipped with the telescoping device who is used for connecting the different width lift-cabin doors respectively.

2. The elevator door opening force tester as claimed in claim 1, wherein a through groove is arranged in the middle of the base (1), a guide rod (2) is arranged in the through groove, and the first sliding block (3) and the second sliding block (4) are both slidably sleeved on the guide rod (2).

3. The elevator door opening force tester as claimed in claim 1, wherein the first groove plate is a U-shaped plate (5), the second plate is a square plate (6), and the square plate (6) is matched with the U-shaped groove of the U-shaped plate (5).

4. The elevator door opening force tester of claim 1, wherein the telescopic device comprises a sleeve (11), a sleeve (13), a limiting rod (14), an extension rod (12) and a fixing ring (16), the sleeve (11) and the sleeve (13) are fixed on both sides of the base (1), the end part of the sleeve (13) far away from the base (1) is movably sleeved with one end of the limiting rod (14), the end part of the sleeve (11) far away from the base (1) is movably connected with one end of the extension rod (12) through the fixing ring (16), and the other end of the extension rod (12) and the other end of the limiting rod (14) are fixedly connected with the support plate (18).

5. The elevator door opening force tester according to claim 4, characterized in that the surface of the sleeve (11) is sleeved with a fixing ring (16) through a bearing, and the inner wall of the fixing ring (16) is connected with the surface of the extension rod (12) through a thread; the surface of the extension rod (12) is provided with a tightening thread (15).

6. The elevator door opening force tester as claimed in claim 4, wherein the limiting rod (14) is sleeved with a spring (17), one end of the spring (17) is fixedly connected with one end of the sleeve (13), and the other end of the spring (17) is fixedly connected with the surface of the supporting plate (18).

7. The elevator door opening force tester as claimed in claim 4, wherein the base (1) is U-shaped; each side of two sides of the U-shaped base (1) is connected with a sleeve (11) and a sleeve (13).

8. The elevator door opening force tester of claim 1, wherein the output shaft of the electric push rod (7) is movably sleeved in a limiting plate (8), and the limiting plate (8) is fixed on the upper surface of the first sliding block (3).