Elevator safety detection device

Through the design of the lift box and the test drive box, multi-point deformation detection of the elevator door is realized, solving the problem that existing devices cannot detect the deformation of the elevator door, and improving the accuracy and stability of elevator safety detection.

CN223179973UActive Publication Date: 2025-08-01WUXI JINMOFANG ELEVATOR TECH CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202421325747.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-12
Publication Date
2025-08-01
Estimated Expiration
2034-06-12

AI Technical Summary

Technical Problem

The existing elevator detection device cannot effectively detect the deformation of the elevator door under the external impact force, resulting in the elevator being deformed or damaged, affecting normal operation.

Method used

An elevator safety detection device is designed, which drives the impact power box to lift and lower it through the lift box, and conducts multi-point impact tests. Combined with the test drive box to drive the test board to move in reverse, observe the deformation effect of the elevator door, and obtains accurate safety values through the stress sensing components.

Benefits of technology

Multi-point deformation detection of elevator doors is realized, accurate safety values are obtained, and the accuracy and stability of elevator safety detection is improved, avoiding the device's position deviation during the test process affecting the test accuracy.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223179973U_ABST
    Figure CN223179973U_ABST
Patent Text Reader

Abstract

The utility model relates to an elevator safety detection device which comprises a bottom plate, first electric telescopic rods are fixedly connected to the four corners of the top of the bottom plate, a supporting plate is fixedly connected to the tops of the first electric telescopic rods, a lifting box is fixedly connected to the top of the supporting plate, and a lifting rod is arranged in the lifting box. The top of the lifting box is fixedly connected with a lifting rod, the top of the lifting rod is fixedly connected with a transverse plate, one side of the bottom of the transverse plate is fixedly connected with an impact power box, an impact rod is arranged in the impact power box, and one side of the impact rod is fixedly connected with a stress sensing assembly. The impact power box can conveniently carry out a multi-point impact test on the elevator door, the deformation effect of the elevator door at different test points can be observed, an accurate elevator safety value is obtained, the test driving box is arranged to drive the test plate to move reversely, and a safety test is conveniently carried out on whether the elevator door is opened or not when the elevator door is closed due to stress.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to an elevator detection device, in particular to an elevator safety detection device, and belongs to the technical field of elevator safety detection. Background Art

[0002] An elevator is a type of transportation equipment that transports pedestrians or goods vertically, serving buildings with specified floors. A vertical elevator has a car that runs between at least two rows of vertical rigid guide rails or rails with an inclination angle of less than 15°, to facilitate passenger entry and exit or loading and unloading of goods. Elevators must undergo safety inspections after production.

[0003] A portable elevator door safety detection device with an existing publication number of CN 215047792 U3 improves the detection effect and the performance of the device by applying force points to the elevator door at different heights. However, it does not have the function of detecting the impact force of the elevator door. The elevator is easily deformed or even damaged by external impact force, affecting the normal operation of the elevator. Utility Model Content

[0004] The purpose of the present utility model is to provide an elevator safety detection device in order to solve the above-mentioned problem. By setting a lifting box, the impact power box can be driven to rise and fall, so that the impact power box can perform multi-point impact tests on the elevator door. The deformation effect of the elevator door at different test points can be observed to obtain more accurate elevator safety values. By setting a test drive box, the test plate can be driven to move in the reverse direction, so as to facilitate safety testing of whether the elevator door is open when it is closed.

[0005] The utility model achieves the above-mentioned purpose through the following technical scheme: an elevator safety detection device, including a base plate, a first electric telescopic rod fixedly connected to the four corners of the top of the base plate, a support plate fixedly connected to the top of the first electric telescopic rod, a lifting box fixedly connected to the lifting box, a lifting rod fixedly connected to the top of the lifting rod, a cross plate fixedly connected to the top of the lifting rod, an impact power box fixedly connected to one side of the bottom of the cross plate, an impact rod provided inside the impact power box, and a stress sensing component fixedly connected to one side of the impact rod.

[0006] Preferably, a second electric telescopic rod is fixedly connected to the four corners of the top of the base plate, an anti-slip plate is fixedly connected to the bottom of the second electric telescopic rod, a first positioning rod is fixedly connected to one side of the top of the anti-slip plate, the first positioning rod is slidably connected to the base plate, and a universal wheel is provided on one side of the anti-slip plate.

[0007] Preferably, a second positioning rod is provided on one side of the first electric telescopic rod, and the second positioning rod is slidably connected to the supporting plate. A third positioning rod is provided on one side of the lifting box, and the third positioning rod is slidably connected to the cross plate.

[0008] Preferably, a first servo motor is fixedly connected to the center of the top of the lifting box, a lead screw is fixedly connected to the output end of the first servo motor, and a first threaded sleeve is threadedly connected to the periphery of the lead screw.

[0009] Preferably, support rods are fixedly connected to both sides of the first threaded sleeve, a fourth positioning rod is slidably connected inside the support rods, and one side of the top of the support rods is fixedly connected to the bottom of the lifting rod.

[0010] Preferably, a test drive box is fixedly connected to the front side of the lifting box, a second servo motor is fixedly connected to one side of the test drive box, a bidirectional screw is fixedly connected to the output end of the second servo motor, a second threaded sleeve is threadedly connected to the periphery of the bidirectional screw, the rear side of the second threaded sleeve slides on the inner wall of the test drive box, a connecting plate is fixedly connected to the front side of the second threaded sleeve, a sliding rod is slidably connected inside the connecting plate, and a test plate is fixedly connected to the front side of the connecting plate.

[0011] Preferably, a drive motor is fixedly connected to the bottom of the impact power box, a gear is fixedly connected to the output end of the drive motor, the gear is meshed with a toothed ring, the periphery of the toothed ring slides on the inner wall of the impact power box, and one side of the toothed ring is fixedly connected to the impact rod.

[0012] The beneficial effects of the present utility model are as follows:

[0013] By setting the lifting box, the impact power box can be driven to lift, which is convenient for the impact power box to perform multi-point impact tests on the elevator door, and the deformation effect of the elevator door at different test points can be observed to obtain more accurate elevator safety values. By setting the test drive box, the test plate can be driven to move in the reverse direction, which is convenient for performing safety tests on whether the elevator door is opened when it is stressed during closing. The practicability is relatively strong. By setting the second electric telescopic rod, the anti-slip plate can be driven to lift. When the anti-slip plate contacts the ground, the overall stability of the device can be improved, and the overall position shift of the device during the safety test can be avoided, thus affecting the test accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is the overall structural schematic diagram of the present utility model.

[0015] Figure 2 is the internal structural schematic diagram of the lifting box of the present utility model.

[0016] Figure 3 is the internal structural schematic diagram of the test drive box of the present utility model.

[0017] Figure 4 is the impact stress box diagram of the present utility model.

[0018] Reference numerals in the figure: 1, bottom plate; 2, first electric telescopic rod; 3, lifting box; 4, impact power box; 5, impact rod; 6, stress induction component; 7, second electric telescopic rod; 8, anti-slip plate; 9, lead screw; 10, first thread sleeve; 11, test drive box; 12, bidirectional lead screw; 13, second thread sleeve; 14, test plate; 15, gear; 16, gear ring. Detailed implementation mode

[0019] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0020] Example 1 Please refer to Figures 1-4 As shown in the figure, an elevator safety detection device includes a bottom plate 1. The four corners of the top of the bottom plate 1 are fixedly connected with first electric telescopic rods 2. The top of the first electric telescopic rods 2 is fixedly connected with a support plate. The top of the support plate is fixedly connected with a lifting box 3. A lifting rod is arranged inside the lifting box 3. The top of the lifting rod is fixedly connected with a cross plate. One side of the bottom of the cross plate is fixedly connected with an impact power box 4. An impact rod 5 is arranged inside the impact power box 4. One side of the impact rod 5 is fixedly connected with a stress induction component 6.

[0021] Specifically, the four corners of the top of the bottom plate 1 are fixedly connected to the second electric telescopic rod 7, the bottom of the second electric telescopic rod 7 is fixedly connected to the anti-skid plate 8, one side of the top of the anti-skid plate 8 is fixedly connected to the first positioning rod, the first positioning rod is slidably connected to the bottom plate 1, one side of the anti-skid plate 8 is provided with a universal wheel, one side of the first electric telescopic rod 2 is provided with a second positioning rod, the second positioning rod is slidably connected to the support plate, one side of the lifting box 3 is provided with a third positioning rod, and the third positioning rod is slidably connected to the cross plate. The center of the top of the lifting box 3 is fixedly connected to the first servo motor, the output end of the first servo motor is fixedly connected to the screw rod 9, the outer periphery of the screw rod 9 is threadedly connected to the first threaded sleeve 10, the two sides of the first threaded sleeve 10 are fixedly connected to the support rod, the inner side of the support rod is slidably connected to the fourth positioning rod, the top side of the support rod is fixedly connected to the bottom of the lifting rod, the front side of the lifting box 3 is fixedly connected to the test drive box 11, one side of the test drive box 11 is fixedly connected to the second servo motor, the output end of the second servo motor is fixedly connected to the bidirectional screw 12, and the outer periphery of the bidirectional screw 12 is threadedly connected to the second threaded sleeve 1 3, the rear side of the second threaded sleeve 13 slides with the inner wall of the test drive box 11, the front side of the second threaded sleeve 13 is fixedly connected with a connecting plate, the interior of the connecting plate is slidably connected with a slide rod, the front side of the connecting plate is fixedly connected with a test plate 14, the bottom of the impact power box 4 is fixedly connected with a transmission motor, the output end of the transmission motor is fixedly connected with a gear 15, the gear 15 is meshed with a gear ring 16, the outer periphery of the gear ring 16 is slidably connected with the inner wall of the impact power box 4, and one side of the gear ring 16 is fixedly connected to the impact rod 5. By setting the lifting box 3, the impact can be driven The power box 4 is raised and lowered, which is convenient for impacting the power box 4 to perform multi-point impact tests on the elevator door. The deformation effects of the elevator door at different test points can be observed to obtain more accurate elevator safety values. By setting the test drive box 11, the test plate 14 can be driven to move in the opposite direction, which is convenient for performing safety tests on whether the elevator door is opened when the force is applied when it is closed. It is highly practical. By setting the second electric telescopic rod 7, the anti-slip plate 8 can be driven to rise and fall. When the anti-slip plate 8 contacts the ground, the overall stability of the device can be improved, thereby avoiding positional displacement of the entire device during safety testing, which affects the test accuracy.

[0022] When the present invention is in use, the lifting box 3 is set to drive the impact power box 4 to move up and down, so that the impact power box 4 can perform multi-point impact tests on the elevator door, and the deformation effects of the elevator door at different test points can be observed to obtain more accurate elevator safety values. The test drive box 11 is set to drive the test plate 14 to move in the opposite direction, so that it is convenient to perform a safety test on whether the elevator door is opened when it is closed. The utility model has strong practicality. The anti-slip plate 8 can be driven to move up and down by setting the second electric telescopic rod 7. When the anti-slip plate 8 contacts the ground, the overall stability of the device can be improved, thereby avoiding positional displacement of the entire device during safety testing, which affects the test accuracy.

[0023] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-described exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present utility model, and any reference signs in the claims should not be regarded as limiting the claims involved.

[0024] In addition, it should be understood that although this specification is described according to the embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. An elevator safety detection device, comprising a bottom plate (1), characterized in that: At the four corners of the top of the bottom plate (1), a first electric telescopic rod (2) is fixedly connected. The top of the first electric telescopic rod (2) is fixedly connected with a support plate, and the top of the support plate is fixedly connected with a lifting box (3). Inside the lifting box (3), there is a lifting rod. The top of the lifting rod is fixedly connected with a cross plate. On one side of the bottom of the cross plate, an impact power box (4) is fixedly connected. Inside the impact power box (4), there is an impact rod (5). On one side of the impact rod (5), a stress sensing component (6) is fixedly connected.

2. An elevator safety detection device according to claim 1, characterized in that: At the four corners of the top of the bottom plate (1), a second electric telescopic rod (7) is fixedly connected. The bottom of the second electric telescopic rod (7) is fixedly connected with an anti-slip plate (8). On one side of the top of the anti-slip plate (8), a first positioning rod is fixedly connected. The first positioning rod is slidably connected with the bottom plate (1). On one side of the anti-slip plate (8), there are universal wheels.

3. An elevator safety detection device according to claim 1, characterized in that: On one side of the first electric telescopic rod (2), there is a second positioning rod. The second positioning rod is slidably connected with the support plate. On one side of the lifting box (3), there is a third positioning rod. The third positioning rod is slidably connected with the cross plate.

4. An elevator safety detection device according to claim 1, characterized in that: At the center of the top of the lifting box (3), a first servo motor is fixedly connected. The output end of the first servo motor is fixedly connected with a lead screw (9). The periphery of the lead screw (9) is threadedly connected with a first thread sleeve (10).

5. An elevator safety detection device according to claim 4, characterized in that: On both sides of the first thread sleeve (10), support rods are fixedly connected. Inside the support rods, a fourth positioning rod is slidably connected. On one side of the top of the support rods, it is fixedly connected with the bottom of the lifting rod.

6. The elevator safety detection device according to claim 1, characterized in that: On the front side of the lifting box (3), a test drive box (11) is fixedly connected. On one side of the test drive box (11), a second servo motor is fixedly connected. The output end of the second servo motor is fixedly connected with a bidirectional lead screw (12). The periphery of the bidirectional lead screw (12) is threadedly connected with a second thread sleeve (13). The rear side of the second thread sleeve (13) slides on the inner wall of the test drive box (11). The front side of the second thread sleeve (13) is fixedly connected with a connecting plate. Inside the connecting plate, a sliding rod is slidably connected. The front side of the connecting plate is fixedly connected with a test plate (14).

7. An elevator safety detection device according to claim 1, characterized in that: At the bottom of the impact power box (4), a transmission motor is fixedly connected. The output end of the transmission motor is fixedly connected with a gear (15). The gear (15) is meshed with a toothed ring (16). The periphery of the toothed ring (16) slides on the inner wall of the impact power box (4). One side of the toothed ring (16) is fixedly connected with the impact rod (5).

Citation Information

Patent Citations

  • A portable elevator door safety detection device

    CN215047792U