Safety strength inspection device suitable for elevator door

Abstract

The utility model relates to the technical field of elevator door strength inspection, in particular to a safety strength inspection device suitable for an elevator door, which comprises a turnover mechanism, the opposite ends of the turnover mechanism are rotatably connected to the inner walls of the left side and the right side of a protective cover, and a first sliding rail is arranged in the middle of the top wall of the protective cover. The inner wall of one side of the first sliding rail is rotationally connected with a first moving mechanism, a second sliding rail is welded to the bottom end of the first moving mechanism, the inner wall of one side of the second sliding rail is rotationally connected with a second moving mechanism, a detection mechanism is clamped in the second moving mechanism, and a clamping mechanism is inserted into the opposite side of the turnover mechanism. According to the improved inspection device, the overturning mechanism can automatically overturn the elevator door to improve the inspection efficiency, the clamping mechanism can clamp and fix the elevator door to prevent the elevator door from displacement, the first moving mechanism and the second moving mechanism can achieve synchronous detection in the X-axis direction and the Y-axis direction, comprehensive strength testing can be conducted on the elevator door, and the accuracy of the detection result is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to elevator door strength inspection technical field, concretely is a kind of applicable to elevator door safety strength inspection device. BACKGROUND

[0002] Elevator door is an important component in elevator system, its main function is to ensure passenger safety, prevent passenger from falling into shaft accidentally during elevator operation. The design and performance of elevator door directly affect the safe use of elevator and the comfort experience of passengers. In order to ensure the safety and functionality of elevator door, regular inspection and maintenance are required. The design and performance of elevator door are key factors to ensure the safe operation of elevator, and must comply with the specifications and standards of national or regional elevator safety.

[0003] Elevator door strength inspection is an important link to ensure the safe operation of elevator, which involves evaluating the ability of elevator door to withstand forces under various conditions. The purpose of strength inspection is to ensure that elevator door can maintain its structural integrity and functionality under normal operation and potential abnormal conditions. Through strength inspection, it is ensured that elevator door will not be damaged or deformed when bearing normal and abnormal loads, passenger safety is ensured, and the inspection result needs to meet the strength requirements specified in national or industry standards.

[0004] The inventor found that the prior art has the following problems in the process of implementing the utility model: 1. The existing inspection device often fixes the elevator door at one position and only inspects the strength of one surface, so that the inspection efficiency is not high; 2. The existing inspection device often only detects a certain position on the surface of the elevator door, which is not comprehensive enough and can easily affect the accuracy of the detection result. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a kind of applicable to elevator door safety strength inspection device to solve the problem that the existing inspection device is often fixed in one position in the above background art, only the strength of one surface is inspected, so that the inspection efficiency is not high, and the existing inspection device often only detects a certain position on the surface of the elevator door, which is not comprehensive enough and can easily affect the accuracy of the detection result. To achieve the above purpose, the utility model provides the following technical scheme: a kind of applicable to elevator door safety strength inspection device, including turnover mechanism, the opposite end of the turnover mechanism is rotatably connected to the inner wall of the left and right sides of protective cover, the middle part of the top wall of the protective cover is provided with first sliding rail, the inner wall of one side of the first sliding rail is rotatably connected with first mobile mechanism, the bottom end of the first mobile mechanism is welded with second sliding rail, the inner wall of one side of the second sliding rail is rotatably connected with second mobile mechanism, the inside of the second mobile mechanism is clamped with detection mechanism, the opposite side of the turnover mechanism is inserted with clamping mechanism.

[0006] Further preferably, the turnover mechanism is composed of a transmission main wheel, a transmission slave wheel, a belt, a rotating rod, a rotary motor and a rotating shaft, wherein the rotating rod is rotatably connected to the inner walls of the left and right sides of the protective cover, the transmission main wheel is sleeved to the outer walls of the left and right ends of the rod, one end of the rotating shaft is inserted into the opposite side of the clamping mechanism, the other end of the rotating shaft is sleeved with the transmission slave wheel, and the belt is sleeved to the outer walls of the transmission main wheel and the transmission slave wheel.

[0007] Further preferably, the clamping mechanism is composed of a hydraulic cylinder, a pressing plate, a fixed outer frame and an anti-skid silica gel pad, wherein the rear side of the fixed outer frame is inserted with the rotating shaft, the middle part of the top of the fixed outer frame is vertically penetrated with the hydraulic cylinder, the driving end of the hydraulic cylinder is provided with the pressing plate, and the bottom of the pressing plate is provided with the anti-skid silica gel pad.

[0008] Further preferably, the first moving mechanism is composed of a first motor, a first screw rod and a first screw block, wherein one end of the first screw rod is rotatably connected to the inner wall of one side of the first sliding rail, the other end is inserted into the output end of the first motor, and the first screw block is screwed to the outer wall of the rod body of the first screw rod.

[0009] Further preferably, the second moving mechanism is composed of a second motor, a second screw rod and a second screw block, wherein one end of the second screw rod is rotatably connected to the inner wall of one side of the second sliding rail, the other end is inserted into the output end of the second motor, and the second screw block is screwed to the outer wall of the rod body of the second screw rod.

[0010] Further preferably, the inner walls of the front and rear sides of the protective cover are provided with sliding grooves, and the sliding grooves and the second sliding rail form a sliding connection.

[0011] Further preferably, the detection mechanism is composed of a hydraulic cylinder and a pressure sensor, wherein the hydraulic cylinder is clamped in the interior of the second screw block, and the pressure sensor is arranged at the driving end of the hydraulic cylinder.

[0012] Compared with the prior art, the utility model has the advantages of:

[0013] In the utility model, the turnover mechanism can automatically control the elevator door to turn from one position to another position, reduce manual operation, improve the inspection efficiency, and through the accurate mechanical transmission system of the turnover mechanism, the turnover mechanism can accurately control the turning angle and speed of the elevator door, ensure the accuracy of the inspection, through the accurate control of the position and pressure of the pressing plate by the hydraulic cylinder, the accurate clamping and fixing of the elevator door can be realized, and when the pressure is applied, the anti-skid silica gel pad can reduce the damage of the pressing plate to the surface of the elevator door, simultaneously provide sufficient friction, ensure that the elevator door does not slide or move in the clamping process, and guarantee the safety of operation.

[0014] The utility model discloses a first moving mechanism makes the detection mechanism can be accurate, even movement in the X axle direction of elevator door surface can realize the strength detection to the X axle direction of elevator door surface, and the second moving mechanism allows the detection mechanism to move in the Y axle direction to realize its strength detection in the Y axle direction of elevator door surface, ensures the comprehensiveness of detection, and the first moving mechanism and the second moving mechanism cooperate with each other, can realize the synchronous detection in the X axle and Y axle two directions, ensure the comprehensive strength test to whole elevator door surface, ensure the accuracy of detection result. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0016] Figure 2 It is the side view sectional structure schematic diagram of the utility model;

[0017] Figure 3 It is the turnover mechanism structure schematic diagram of the utility model;

[0018] Figure 4 It is the clamping mechanism structure schematic diagram of the utility model;

[0019] Figure 5 It is the detection mechanism structure schematic diagram of the utility model.

[0020] In the drawing: 1, turnover mechanism;101, transmission main wheel;102, transmission from wheel;103, belt;104, rotating lever;105, rotary motor;106, rotating shaft;2, protective cover;201, sliding groove;3, first sliding rail;4, first moving mechanism;401, first motor;402, first screw;403, first screw block;5, second sliding rail;6, second moving mechanism;601, second motor;602, second screw;603, second screw block;7, detection mechanism;701, hydraulic cylinder;702, pressure sensor;8, clamping mechanism;801, hydraulic cylinder;802, pressing plate;803, fixed outer frame;804, antiskid silica gel pad. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill workers in the art without creative work belong to the range of the utility model protection.

[0022] Please refer to Figures 1 to 5The utility model provides a technical scheme: a device suitable for elevator door safety strength inspection, including turnover mechanism 1, the opposite end of turnover mechanism 1 is connected to the left and right two sides inner wall of protective cover 2, the top wall of protective cover 2 is equipped with the first slide rail 3, the side inner wall of first slide rail 3 is rotatably connected with first mobile mechanism 4, the bottom of first mobile mechanism 4 is welded with second slide rail 5, the side inner wall of second slide rail 5 is rotatably connected with second mobile mechanism 6, and the inside of second mobile mechanism 6 is clamped with detection mechanism 7, and the opposite side of turnover mechanism 1 is inserted with clamping mechanism 8.

[0023] In the embodiment, as shown in Figure 1 And Figure 3 Turnover mechanism 1 is composed of transmission main wheel 101, transmission slave wheel 102, belt 103, rotating rod 104, rotary motor 105 and rotating shaft 106, wherein the left and right ends of rotating rod 104 are rotatably connected to the left and right two sides inner wall of protective cover 2, transmission main wheel 101 is sleeved on the left and right two ends outer wall of rotating rod 104, one end of rotating shaft 106 is inserted into the opposite side of clamping mechanism 8, the other end of rotating shaft 106 is sleeved with transmission slave wheel 102, and belt 103 is sleeved on the outer wall of transmission main wheel 101 and transmission slave wheel 102; it should be noted that when the operator clamps and fixes the whole elevator door through clamping mechanism 8, detection mechanism 7 can be started to detect the strength of the top of the elevator door at this time, and when the detection of one side is completed, the operator can start rotary motor 105 to drive rotating rod 104 connected thereto to start rotating, at this time, transmission main wheel 101 sleeved on the left and right two ends outer wall of rotating rod 104 will rotate at the same time, and transmission slave wheel 102 arranged above it will rotate synchronously through the belt 103 sleeved on its outer wall, and the rotating shaft 106 sleeved with transmission slave wheel 102 will rotate together, so as to drive the clamping mechanism 8 connected with the rotating shaft 106 and the elevator door clamped in it to rotate at the same time, and then realize the strength detection operation of the other side of the elevator door, during which, the turnover mechanism 1 can automatically control the elevator door to rotate from one position to another position, reduce manual operation, improve the inspection efficiency, and through the accurate mechanical transmission system of turnover mechanism 1, the turnover mechanism 1 can accurately control the rotation angle and speed of the elevator door, ensure the accuracy of the inspection, and the smooth power transmission provided by the belt 103 transmission helps to realize the stable rotation of the turnover mechanism 1, avoids the impact and damage to the elevator door.

[0024] In the embodiment, as shown in Figure 2 And Figure 4As shown, the clamping mechanism 8 is composed of a hydraulic cylinder 801, a pressing plate 802, a fixed outer frame 803 and a non-slip silica gel pad 804, wherein the rear side of the fixed outer frame 803 is inserted with the rotating shaft 106, the middle part of the top of the fixed outer frame 803 is vertically penetrated with the hydraulic cylinder 801, the driving end of the hydraulic cylinder 801 is provided with the pressing plate 802, and the bottom of the pressing plate 802 is provided with the non-slip silica gel pad 804; it should be noted that the operator can first horizontally place the entire elevator door on the bottom wall of the fixed outer frame 803, and then simultaneously start the left and right hydraulic cylinders 801, so that the driving end thereof is elongated downward and pushes the pressing plate 802 connected thereto to descend until the non-slip silica gel pad 804 provided at the bottom of the pressing plate 802 can closely fit the upper surface of the elevator door, thereby completing the clamping and fixing of the elevator door, and in actual use, the accurate control of the position and pressure of the pressing plate 802 by the hydraulic cylinder 801 can realize the accurate clamping and fixing of the elevator door, and the use of the hydraulic cylinder 801 ensures that the pressing plate 802 can uniformly apply pressure downward, avoiding damage to the elevator door caused by excessive local pressure, and the non-slip silica gel pad 804 can reduce the damage of the pressing plate 802 to the surface of the elevator door when applying pressure, while providing sufficient friction to ensure that the elevator door does not slide or move during clamping, ensuring the safety of the operation.

[0025] In the embodiment, as shown in the figure, Figure 5 As shown, the first moving mechanism 4 is composed of a first motor 401, a first screw rod 402 and a first screw block 403, wherein one end of the first screw rod 402 is rotatably connected to the inner wall of one side of the first sliding rail 3, the other end is inserted into the output end of the first motor 401, and the first screw block 403 is screwed to the outer wall of the rod body of the first screw rod 402; it should be noted that when the operator uses the detection mechanism 7 to detect the strength of the elevator door, the operator can simultaneously start the first motor 401, so that the output end thereof starts to rotate and drives the first screw rod 402 inserted therewith to rotate, so that the first screw block 403 screwed to the outer wall of the first screw rod 402 can drive the second sliding rail 5 provided at the bottom thereof to move, thereby synchronously moving the second moving mechanism 6 and the detection mechanism 7 connected therewith, facilitating comprehensive detection of the X-axis direction of the surface of the elevator door, and in actual use, the accurate control ability of the first motor 401 enables the detection mechanism 7 to move accurately and uniformly in the X-axis direction of the surface of the elevator door, ensuring the accuracy of the detection, and the mechanical transmission structure of the first screw rod 402 and the first screw block 403 can provide smooth movement, avoiding sudden jumping or vibration of the detection mechanism 7 during movement, maintaining the stability of the detection process, and at the same time, through the movement of the first moving mechanism 4 in the X-axis direction, comprehensive strength detection of the surface of the elevator door can be realized, ensuring that no area is missed.

[0026] In the embodiment, as shown in the figure, Figure 5As shown, the second moving mechanism 6 is composed of a second motor 601, a second screw rod 602 and a second screw block 603, wherein one end of the second screw rod 602 is rotatably connected to the inner wall of one side of the second sliding rail 5, the other end is inserted into the output end of the second motor 601, and the second screw block 603 is screwed to the outer wall of the rod body of the second screw rod 602; it should be noted that the operator starts the first moving mechanism 4 to drive the second sliding rail 5 arranged at the bottom thereof and the second moving mechanism 6 rotatably connected thereto to move together, thereby driving the detection mechanism 7 carded in the inside of the second screw block 603 to move synchronously, at the same time, the operator can start the second motor 601 to drive the second screw rod 602 inserted therewith to start rotating, and drive the second screw block 603 screwed to the outer wall thereof to move along the thread direction, thereby driving the detection mechanism 7 carded in the inside thereof to move along the Y-axis direction of the surface of the elevator door, and further realize the strength detection of the surface of the elevator door in the Y-axis direction, and in this period, the second moving mechanism 6 allows the detection mechanism 7 to move in the Y-axis direction, thereby realizing the strength detection of the surface of the elevator door in the Y-axis direction, and ensuring the comprehensiveness of the detection, wherein through the accurate control of the second motor 601, the second screw block 603 can accurately move the detection mechanism 7 along the Y-axis, thereby ensuring the detection accuracy, and through the mechanical transmission structure of the second screw rod 602 and the second screw block 603, smooth movement can be provided, thereby ensuring the stability of the detection mechanism 7 in the moving process, and avoiding unnecessary damage to the elevator door.

[0027] In this embodiment, as shown in Figure 1 and Figure 2 , the front and rear inner walls of the protective cover 2 are provided with sliding grooves 201, and the sliding grooves 201 and the second sliding rail 5 are in sliding connection; it should be noted that when the operator starts the first motor 401 to drive the first screw rod 402 inserted therewith to start rotating, and drives the first screw block 403 screwed to the outer wall of the first screw rod 402 to drive the second sliding rail 5 arranged at the bottom thereof to move, in this period, the second sliding rail 5 close to the front and rear outer walls of the inner wall of the protective cover 2 will move along the inner wall of the sliding groove 201 towards the X-axis direction, and in actual operation, the sliding connection of the sliding groove 201 and the second sliding rail 5 can enhance the stability of the entire second moving mechanism 6, thereby ensuring the stability of the detection mechanism 7 in the moving process, reducing the error caused by vibration or uneven force, at the same time, the sliding groove 201 provides clear guidance, thereby ensuring the linear movement of the second sliding rail 5 in the X-axis direction, preventing it from deviating or shaking, and the design of the sliding groove 201 also helps to reduce the friction between the moving parts, reduce energy loss, and improve the moving efficiency.

[0028] In this embodiment, as shown in Figure 5As shown, the detection mechanism 7 is composed of a hydraulic cylinder 701 and a pressure sensor 702, wherein the hydraulic cylinder 701 is clamped in the second screw block 603, and the pressure sensor 702 is arranged at the driving end of the hydraulic cylinder 701; it should be noted that when the operator simultaneously starts the first moving mechanism 4 and the second moving mechanism 6, the detection mechanism 7 will be driven to move synchronously, and during this period, the operator can start the hydraulic cylinder 701, so that the driving end thereof is elongated downward and pushes the pressure sensor 702 connected therewith to descend together until the sensing end of the pressure sensor 702 contacts the surface of the elevator door, and then under the driving of the first moving mechanism 4 and the second moving mechanism 6, the pressure sensor 702 will move along the surface of the elevator door to perform the strength test, thereby completing the overall detection operation of the elevator door, and in actual application, the automatic control of the hydraulic cylinder 701 can accurately apply and adjust the pressure, thereby ensuring that uniform pressure is applied to the surface of the elevator door during the movement of the detection mechanism 7, and the pressure sensor 702 can accurately measure the pressure applied by the hydraulic cylinder 701 to the surface of the elevator door, thereby ensuring the accuracy of the detection, and at the same time, under the driving of the first moving mechanism 4 and the second moving mechanism 6, the pressure sensor 702 can collect the reaction data of the elevator door under different positions and different pressures, thereby facilitating the subsequent analysis of the strength and durability of the elevator door.

[0029] The use method and advantages of the utility model are as follows:

[0030] For example Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, first, the operator can place the entire elevator door horizontally on the bottom wall of the fixed outer frame 803, and then simultaneously start the left and right hydraulic cylinders 801, so that the driving end of the hydraulic cylinders 801 is elongated downward and pushes the pressing plate 802 connected thereto to descend until the anti-skid silica gel pad 804 provided at the bottom of the pressing plate 802 can be closely attached to the upper surface of the elevator door, so as to complete the clamping and fixing of the elevator door, and then the operator can start the hydraulic cylinder 701, so that the driving end of the hydraulic cylinder 701 is elongated downward and pushes the pressure sensor 702 connected thereto to descend until the sensing end of the pressure sensor 702 is in contact with the surface of the elevator door, and at the same time, the first motor 401 is started, so that the output end of the first motor 401 starts to rotate and drives the first screw rod 402 connected thereto to rotate, so that the first screw block 403 screwed to the outer wall of the first screw rod 402 can drive the second sliding rail 5 provided at the bottom of the first screw block 403 to move, thereby synchronously moving the second moving mechanism 6 and the detection mechanism 7 connected thereto, so as to facilitate the detection of the X-axis direction of the surface of the elevator door. During this period, the operator can start the second motor 601 to drive the second screw rod 602 connected thereto to start rotating, and drive the second screw block 603 screwed to the outer wall of the second screw rod 602 to move along the thread direction, so that the detection mechanism 7 connected to the inside of the second screw block 603 can move along the Y-axis direction of the surface of the elevator door, thereby realizing the strength detection of the Y-axis direction of the surface of the elevator door. When the detection of one side is completed, the operator can start the rotating motor 105 to drive the rotating rod 104 connected thereto to start rotating, at this time, the transmission main wheel 101 sleeved to the outer wall of the left and right ends of the rotating rod 104 will rotate simultaneously, and drive the transmission from the wheel 102 provided above the transmission main wheel 101 to rotate synchronously through the belt 103 sleeved to the outer wall of the transmission main wheel 101, and drive the rotating shaft 106 sleeved to the transmission from the wheel 102 to rotate, thereby simultaneously driving the clamping mechanism 8 connected to the rotating shaft 106 and the elevator door clamped in the clamping mechanism 8 to overturn, thereby realizing the strength detection of the other side of the elevator door.

[0031] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only preferred examples of the present application and do not limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A device for testing the safety strength of an elevator door, comprising a turnover mechanism (1), characterized in that: The opposite ends of the turnover mechanism (1) are rotatably connected to the left and right inner walls of the protective cover (2), the middle part of the top wall of the protective cover (2) is provided with a first sliding rail (3), one side inner wall of the first sliding rail (3) is rotatably connected with a first moving mechanism (4), the bottom end of the first moving mechanism (4) is welded with a second sliding rail (5), one side inner wall of the second sliding rail (5) is rotatably connected with a second moving mechanism (6), the inside of the second moving mechanism (6) is clamped with a detection mechanism (7), and the opposite side of the turnover mechanism (1) is inserted with a clamping mechanism (8).

2. A device for testing the safety strength of an elevator door according to claim 1, characterized in that The turnover mechanism (1) is composed of a transmission main wheel (101), a transmission from wheel (102), a belt (103), a rotating rod (104), a rotary motor (105) and a rotating shaft (106), wherein the left and right ends of the rotating rod (104) are rotatably connected to the left and right inner walls of the protective cover (2), the transmission main wheel (101) is sleeved on the left and right outer walls of the rotating rod (104), one end of the rotating shaft (106) is inserted into the opposite side of the clamping mechanism (8), the other end of the rotating shaft (106) is sleeved with the transmission from wheel (102), and the outer walls of the transmission main wheel (101) and the transmission from wheel (102) are sleeved with the belt (103).

3. A device for testing the safety strength of an elevator door according to claim 2, characterized in that The clamping mechanism (8) is composed of a hydraulic cylinder (801), a pressing plate (802), a fixed outer frame (803) and an anti-skid silica gel pad (804), wherein the rear side of the fixed outer frame (803) is inserted with the rotating shaft (106), the middle part of the top of the fixed outer frame (803) is vertically penetrated with the hydraulic cylinder (801), the driving end of the hydraulic cylinder (801) is provided with the pressing plate (802), and the bottom of the pressing plate (802) is provided with the anti-skid silica gel pad (804).

4. A device for testing the safety strength of an elevator door according to claim 1, characterized in that: The first moving mechanism (4) is composed of a first motor (401), a first screw rod (402) and a first screw block (403), wherein one end of the first screw rod (402) is rotatably connected to one side inner wall of the first sliding rail (3), the other end is inserted into the output end of the first motor (401), and the first screw block (403) is screwed on the outer wall of the rod body of the first screw rod (402).

5. A device for testing the safety strength of an elevator door according to claim 1, characterized in that: The second moving mechanism (6) is composed of a second motor (601), a second screw rod (602) and a second screw block (603), wherein one end of the second screw rod (602) is rotatably connected to one side inner wall of the second sliding rail (5), the other end is inserted into the output end of the second motor (601), and the second screw block (603) is screwed on the outer wall of the rod body of the second screw rod (602).

6. A device for testing the safety strength of an elevator door according to claim 1, characterized in that: The front and rear inner walls of the protective cover (2) are provided with a sliding groove (201), and the sliding groove (201) and the second sliding rail (5) form a sliding connection.

7. A device for testing the safety strength of an elevator door according to claim 5, characterized in that: The detection mechanism (7) is composed of a hydraulic cylinder (701) and a pressure sensor (702), wherein the hydraulic cylinder (701) is clamped in the inside of the second screw block (603), and the pressure sensor (702) is arranged at the driving end of the hydraulic cylinder (701).

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