CN216763957U - Elevator door mechanical strength inspection device - Google Patents

Abstract

The utility model relates to the technical field of elevator safety inspection, and discloses a mechanical strength inspection device for an elevator door. A locking mechanism is provided for fixing the elevator door to be tested, a driving mechanism is arranged on the pressure bearing plate, the driving mechanism is connected with a swing mechanism, the swing mechanism is connected with an elastic mechanism, and the elastic mechanism is fixedly connected with a detection head; The driving mechanism includes two fixing frames arranged on the pressure-bearing plate, a threaded rod is rotatably arranged between the two fixing frames, and a sliding block is arranged on the threaded rod; the utility model adopts the driving mechanism, the swing mechanism and the elastic mechanism. In the process of detecting the elevator door, the elevator door can be continuously detected to improve the detection efficiency.

Description

An elevator door mechanical strength test device

technical field

The utility model relates to the technical field of elevator safety detection, in particular to an elevator door mechanical strength inspection device.

Background technique

The elevator door is a very important part of the elevator. There are two doors. The door that can be seen from outside the elevator and is fixed on each floor is called the hall door. ; The elevator door switch is generally driven by the car door to open the hall door. Its stability, rationality and safety are the key factors in determining the elevator grade.

The elevator door has high requirements on its strength in the process of use, so it is necessary to carry out a strength detection device for the elevator door before it is put into use. , the elevator door cannot be continuously detected during the detection process, and the detection efficiency is low.

To this end, those skilled in the art propose an elevator door mechanical strength inspection device to solve the problems raised in the above background.

Utility model content

The purpose of the present utility model is to provide an elevator door mechanical strength inspection device to solve the problems raised in the above background technology.

To achieve the above object, the utility model provides the following technical solutions:

A device for testing the mechanical strength of an elevator door, comprising a base, and further comprising:

Cylinders are arranged on both sides of the base, and a pressure bearing plate is arranged at one end of the cylinder away from the base. A locking mechanism is arranged in the middle of the base to fix the elevator door for testing. A driving mechanism is arranged on the pressure bearing plate to drive the The mechanism is connected with a swing mechanism, the swing mechanism is connected with an elastic mechanism, and the elastic mechanism is fixedly connected with a detection head;

The driving mechanism includes two fixing frames arranged on the pressure-bearing plate, a threaded rod is rotatably arranged between the two fixing frames, and a sliding block is arranged on the threaded rod;

The swing mechanism includes a fixed seat symmetrically arranged on the slider, a double-headed motor is arranged on the fixed seat, a turntable is arranged on the output shafts at both ends of the double-headed motor, and the non-circular positions of the two turntables are connected to the lifting plate through the rotation of the turning rod. On both sides, guides are arranged between the two sides of the lift plate and the slider.

As a further solution of the present invention, the driving mechanism further includes an active motor arranged on one of the fixed frames, and the output shaft of the active motor is fixedly connected with a threaded rod.

As a further solution of the present invention: the guide member includes a fixed cylinder arranged on both sides of the slider, a sliding plate is slidably arranged in the fixed cylinder, the sliding plate is fixedly connected with a sliding rod, and one end of the sliding rod away from the sliding plate is fixedly connected to the two sides of the lifting plate. side.

As a further solution of the present utility model: the elastic mechanism includes a plurality of limit rods slidably arranged on the lifting plate, an elastic plate is arranged at one end of the limit rod away from the lifting plate, and a limit rod between the elastic plate and the lifting plate There is a spring on it.

As a further solution of the present invention, fixing plates are arranged on both sides of the base, two fixing plates are threadedly connected with a screw rod, and one end of the screw rod close to the base is fixedly provided with a splint.

As a further solution of the present invention, a pressure plate for detecting pressure is arranged in the middle of the base, and a display screen is arranged on the base.

Compared with the prior art, the beneficial effect of the utility model is: when the strength of the elevator door is detected, the elevator door is fixed on the locking mechanism; Press the head against the surface of the elevator door panel and slowly apply pressure to test the strength. When it is necessary to repeat the strength test of the elevator door for many times, adjust the height of the cylinder so that the detection head is higher than the elevator door. The motor drives the turntable on the output shaft to rotate, and the two double-headed motors are set in opposite directions of rotation. The strength of the pressure is detected, and the multiple pressure shocks at the same point of the elevator door can detect the strength of the elevator door when it is continuously impacted, so that the strength of the elevator door can be better detected; when the elevator door needs to be detected at multiple points Only need to start the active motor, the active motor drives the threaded rod to rotate, and the threaded rod drives the slider to move, so that the elevator door can be continuously detected at multiple points.

Description of drawings

FIG. 1 is a schematic structural diagram of an elevator door mechanical strength inspection device.

FIG. 2 is an enlarged view of the structure of A in FIG. 1 .

Figure 3 is a schematic structural diagram of a turntable and a turning rod in an elevator door mechanical strength inspection device.

In the picture: 1. Base; 2. Air cylinder; 3. Pressure plate; 4. Pressure plate; 5. Display screen; 6. Fixed plate; 7. Screw rod; 8. Plywood; 9. Slider; 10. Active motor ;11, fixed cylinder; 12, slider; 13, sliding rod; 14, lifting plate; 15, fixed seat; 16, double-headed motor; 17, turntable; 18, turning rod; 19, limit rod; 20, spring ; 21, elastic plate; 22, detection head; 23, fixed frame; 24, threaded rod.

Detailed ways

The technical solution of the present patent will be described in further detail below in conjunction with specific embodiments.

Embodiment 1: Please refer to Figures 1-3. In this practical embodiment, an elevator door mechanical strength inspection device includes a base 1, and also includes:

Cylinders 2 are arranged on both sides of the base 1, and a pressure-bearing plate 3 is arranged at one end of the cylinder 2 away from the base 1. A locking mechanism is arranged in the middle of the base 1 to fix the elevator door for testing. The pressure-bearing plate 3 A driving mechanism is arranged on the upper part, the driving mechanism is connected with a swing mechanism, the swing mechanism is connected with an elastic mechanism, and the elastic mechanism is fixedly connected with a detection head 22;

The driving mechanism includes two fixing frames 23 arranged on the pressure-bearing plate 3, a threaded rod 24 is rotatably arranged between the two fixing frames 23, and a sliding block 9 is arranged on the threaded rod 24;

The swing mechanism includes a fixed seat 15 symmetrically arranged on the sliding block 9, the fixed seat 15 is provided with a double-headed motor 16, the output shafts at both ends of the double-headed motor 16 are provided with turntables 17, and the two turntables 17 are not at the center of the circle. The two sides of the lifting plate 14 are connected by rotation of the rotating rod 18 , and guide members are provided between the two sides of the lifting plate 14 and the slider 9 .

In one case of this embodiment, the driving mechanism further includes an active motor 10 disposed on one of the fixing frames 23 , and the output shaft of the active motor 10 is fixedly connected to a threaded rod 24 .

Working principle, when the strength of the elevator door is detected, the elevator door is fixed on the locking mechanism. When the strength of the elevator door needs to be detected, the cylinder 2 is retracted until the detection head 22 is against the surface of the elevator door panel and slowly applied. When the elevator door needs to be repeatedly inspected for strength, adjust the height of the air cylinder 2 so that the detection head 22 is higher than the elevator door. At this time, the double-head motor 16 is started, and the double-head motor 16 drives the output shaft. The turntable 17 rotates, and the two double-headed motors 16 are arranged in opposite directions of rotation. The rotation of the turntable 17 drives the rotating rod 18 to swing, which in turn can drive the lifting plate 14 to reciprocate and lift, which in turn can drive the detection head 22 to continuously apply pressure to the elevator door. The strength of the pressure is detected, and the multiple pressure shocks at the same point of the elevator door can detect the strength of the elevator door when it is continuously impacted, so that the strength of the elevator door can be better detected; when the elevator door needs to be detected at multiple points At this time, it is only necessary to start the active motor 10, the active motor 10 drives the threaded rod 24 to rotate, and the threaded rod 24 drives the slider 9 to move, so that multiple points of the elevator door can be continuously detected.

In one case of this embodiment, the guide member includes a fixed cylinder 11 disposed on both sides of the slider 9 , a sliding plate 12 is slidably arranged in the fixed cylinder 11 , and a sliding rod 13 is fixedly connected to the sliding plate 12 , and the sliding rod 13 is far away from the sliding plate 12 . One end is fixedly connected to both sides of the lift plate 14 .

Working principle, the lifting direction of the lifting plate 14 can be restricted by the fixed cylinder 11 , the sliding block 9 and the sliding rod 13 provided, so that the lifting plate 14 is more stable during the lifting process.

Embodiment 2: This embodiment is a further improvement of the previous embodiment: in a case of this embodiment, the elastic mechanism includes a plurality of limit rods 19 slidably arranged on the lifting plate 14, and the limit rods 19 are far away from the lifting and lowering. An elastic plate 21 is arranged at one end of the plate 14 , and a spring 20 is arranged on the limit rod 19 between the elastic plate 21 and the lifting plate 14 .

Working principle, the setting of the limit rod 19 and the spring 20 can gradually increase the pressure of the detection head 22 on the elevator door through the spring 20 when the elevator door is pressed for strength detection.

In one case of this embodiment, fixing plates 6 are provided on both sides of the base 1 , and screw rods 7 are threadedly connected to the two fixing plates 6 .

Working principle, by rotating the screw rod 7, the screw rod 7 drives the splint 8 to clamp both sides of the elevator door.

In a situation of this embodiment, a pressure plate 4 for detecting pressure is arranged in the middle of the base 1 , and a display screen 5 is arranged on the base 1 .

Working principle, in the process of testing the strength of the elevator door, the pressure is detected by the pressure plate 4, and the value is displayed through the display screen 5.

It will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, and that the present invention may be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments are to be considered in all respects as exemplary and not restrictive, and the scope of the present invention is defined by the appended claims rather than the foregoing description, and it is therefore intended that the All changes within the meaning and range of the required equivalents are embraced within the present invention. Any reference signs in the claims shall not be construed as limiting the involved claim.

In addition, it should be understood that although this specification is described in terms of embodiments, not each embodiment only includes an independent technical solution, and this description in the specification is only for the sake of clarity, and those skilled in the art should take the specification as a whole , the technical solutions in each embodiment can also be appropriately combined to form other implementations that can be understood by those skilled in the art.

Claims (6)

1. The utility model provides an elevator door mechanical strength verifying attachment, includes the base, its characterized in that still includes:

the elevator door testing device comprises a base, a testing device and a locking mechanism, wherein cylinders are arranged on two sides of the base, a bearing plate is arranged at one end, away from the base, of each cylinder, the locking mechanism is arranged in the middle of the base and used for fixing an elevator door to be tested, a driving mechanism is arranged on the bearing plate and connected with a swinging mechanism, the swinging mechanism is connected with an elastic mechanism, and the elastic mechanism is fixedly connected with a detection head;

the driving mechanism comprises two fixing frames arranged on the bearing plate, a threaded rod is rotatably arranged between the two fixing frames, and a sliding block is arranged on the threaded rod;

the swing mechanism comprises fixing seats symmetrically arranged on the sliding block, a double-end motor is arranged on the fixing seats, rotary tables are arranged on output shafts at two ends of the double-end motor, the non-circle center positions of the two rotary tables are connected with two sides of the lifting plate in a rotating mode through rotating rods, and guide pieces are arranged between the two sides of the lifting plate and the two sides of the sliding block.

2. The mechanical strength testing device for elevator door as claimed in claim 1, wherein the driving mechanism further comprises a driving motor disposed on one of the fixing frames, and the output shaft of the driving motor is fixedly connected with the threaded rod.

3. The mechanical strength testing device for elevator door as claimed in claim 1, wherein the guiding member comprises a fixed cylinder disposed at both sides of the sliding block, a sliding plate is slidably disposed in the fixed cylinder, a sliding rod is fixedly connected to the sliding plate, and one end of the sliding rod away from the sliding plate is fixedly connected to both sides of the lifting plate.

4. The mechanical strength testing device for elevator door as claimed in claim 3, wherein the resilient mechanism comprises a plurality of limiting rods slidably disposed on the elevator plate, the resilient plate is disposed at an end of the limiting rods away from the elevator plate, and a spring is disposed on the limiting rods between the resilient plate and the elevator plate.

5. The mechanical strength testing device for elevator door as claimed in claim 1, wherein the base is provided with fixing plates at both sides, a screw rod is connected to the two fixing plates by screw thread, and a clamping plate is fixedly arranged at one end of the screw rod close to the base.

6. The mechanical strength testing device for elevator door as claimed in claim 1, wherein the pressure plate for detecting pressure is disposed in the middle of the base, and the display screen is disposed on the base.

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