Lossless elevator landing door strength detection device
By using a vibration sensor and an electric push rod clamping mechanism, the problem of elevator door damage caused by repeated impacts from the impact hammer has been solved, and non-destructive elevator door strength testing has been achieved.
Patent Information
- Application Number
- CN202422937924.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2034-11-29
AI Technical Summary
Existing non-destructive elevator door strength testing devices damage elevator doors through inertial impact with an impact hammer, rendering them unusable.
A vibration sensor and an electric push rod are used in conjunction with a clamping mechanism. The high-frequency vibration sensor detects the impact and automatically clamps the rotating rod, thus avoiding multiple impacts from the impact hammer.
It enables non-destructive testing, avoids damage to elevator doors, and ensures the sustainable use of the testing equipment.
Smart Images
Figure CN223678985U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to elevator door strength detection technical field especially relates to a kind of nondestructive elevator landing door strength detection device. BACKGROUND
[0002] Elevator door is very important part in elevator, there are two doors, from the elevator outside can see, fixed in each layer, called hall door, see inside, fixed in car with car motion, called car door.
[0003] Elevator landing door quality is closely related to the personal safety of residents, staff need to detect the strength of elevator landing door, staff exert a certain size of force on elevator landing door, then observe whether elevator landing door is deformed, whether the safety function of landing door is affected, the nondestructive elevator landing door strength detection device of prior art is using the inertia of impact hammer to impact test elevator door, but impact hammer can be damaged to elevator door by inertia multiple times, so that it cannot be used.
[0004] Therefore, we propose a kind of nondestructive elevator landing door strength detection device. UTILITY MODEL CONTENT
[0005] The utility model aims at solving the shortcomings in the prior art, and provides a kind of nondestructive elevator landing door strength detection device.
[0006] In order to achieve the above object, the utility model adopts the following technical scheme:
[0007] A kind of nondestructive elevator landing door strength detection device, including elevator door and impact hammer, the impact hammer is connected with rotating rod by connecting rod, rotating rod both sides are rotatably installed with support, connecting rod is fixedly installed with vibration sensor, support is rotatably installed with clamping mechanism in the inside, the clamping mechanism includes the clamp for clamping rotating rod, the connecting rod rotatably arranged with the opposite sides of the clamp and electric push rod.
[0008] As a further scheme of the utility model: the rotating rod is fixedly connected with the connecting rod, and the connecting rod is threadedly connected with the impact hammer.
[0009] As a further scheme of the utility model: support plate is fixedly installed in the inside of the support, and the upper surface of the support plate is fixedly connected with the electric push rod.
[0010] As a further scheme of the utility model: mobile plate is fixedly installed on the upper end of the electric push rod, and inclined slot is formed in the corresponding two sides of the mobile plate, and sliding rod is slidably installed in the inclined slot.
[0011] As a further scheme of the utility model: the sliding rod is fixedly connected with the connecting rod, and an auxiliary rod is fixedly installed on the surface of one side of the connecting rod.
[0012] As a further scheme of the utility model: the auxiliary rod extends to the outside of the connecting rod, and one end of the auxiliary rod away from the connecting rod is rotationally connected with the inner wall of the support.
[0013] As a further scheme of the utility model: the connecting rod is fixedly installed with a connecting rod at one end away from the sliding rod, a fixed block is rotationally installed on the connecting rod, and the fixed block is fixedly connected with the clamp.
[0014] Compared with the prior art, the utility model provides a nondestructive elevator landing door strength detection device, has the following beneficial effects:
[0015] 1、the utility model discloses, when the impact hammer is beaten to the elevator door, will produce high frequency vibration, simultaneously will transmit high frequency vibration to the connecting rod, makes the vibration inductor on the fixed installation of connecting rod and receives high frequency vibration, and then makes the signal transmitter in the vibration inductor send the electric signal to the control terminal, and then the control terminal sends the electric signal to the driving device arranged, makes the driving device move, and then drives the connecting rod to rotate, so that the two clamps all move to the direction of rotating rod, and then the rotating rod is clamped by the clamp, so that the rotating rod no longer rotates, and then the impact hammer stops moving, avoids the damage of elevator landing door caused by multiple impacts, so that it can not continue to use.
[0016] 2、the utility model discloses, when the connecting rod rotates, drives the connecting rod, fixed block and clamp to move together, and the anti-skid film is fixedly installed on the inner wall of the clamp, so that the clamp can stably clamp the rotating rod, and after the impact hammer hits the elevator door, the vibration is transmitted to the vibration inductor and then the electric signal is transmitted to the electric push rod, which needs about one or two seconds, so that the rotating rod can not be clamped by the clamp in time, and the rotating rod is clamped after the impact hammer resonates.
[0017] The parts not involved in the device are the same as or can be realized by the prior art. ACCURACY
[0018] Fig. 1 It is the overall structure schematic diagram of the nondestructive elevator landing door strength detection device provided by the utility model;
[0019] Fig. 2 It is the impact hammer and support connection structure schematic diagram of the nondestructive elevator landing door strength detection device provided by the utility model;
[0020] Fig. 3The utility model provides a kind of internal structure schematic diagram of support of nondestructive elevator landing door strength detection device.
[0021] Fig. 4 The utility model provides a kind of clamping structure schematic diagram of nondestructive elevator landing door strength detection device.
[0022] In the drawing: 1, elevator door;2, support;3, rotating rod;4, connecting rod;5, impact hammer;6, vibration inductor;7, support plate;8, electric push rod;9, moving plate;901, inclined groove;10, connecting rod;11, sliding rod;12, link rod;13, fixed block;14, clamp;15, auxiliary rod. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.
[0024] In the description of the utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.
[0025] Embodiment: a kind of nondestructive elevator landing door strength detection device, as shown in Figs. 1-4 The utility model provides a kind of internal structure schematic diagram of support of nondestructive elevator landing door strength detection device.
[0026] The clamping mechanism is rotatably installed inside the support 2, and the clamping mechanism comprises a clamp 14 for clamping the rotating rod 3, a connecting rod 10 rotatably arranged on the opposite sides of the clamp 14, and an electric push rod 8. The worker places the elevator door 1 to be detected in the bearing frame, moves the tripods on both sides to tightly clamp the elevator door 1, then locks the universal wheels below the tripods to tightly clamp the elevator door 1. At this time, the worker pulls the impact hammer 5 to move in the opposite direction of the elevator door 1, and when reaching a certain height, the worker releases the impact hammer 5 to impact the elevator door 1 due to the impact force. At this time, the rotating rod 3 moves with the impact hammer 5, and the rotating rod 3 extends to the inside of the support 2 at both ends. When the impact hammer 5 impacts the elevator door 1, high-frequency vibration is generated and transmitted to the connecting rod 4, so that the vibration sensor 6 fixedly installed on the connecting rod 4 senses the high-frequency vibration, and then the signal transmitter in the vibration sensor 6 sends an electric signal to the control terminal. The control terminal sends an electric signal to the driving device arranged to make the driving device move, thereby driving the connecting rod 10 to rotate, so that the two clamps 14 move in the direction of the rotating rod 3, and the rotating rod 3 is clamped by the clamp 14, so that the rotating rod 3 no longer rotates, thereby stopping the movement of the impact hammer 5 to avoid damage to the elevator door caused by repeated impacts, so that it cannot continue to be used.
[0027] As shown in Figs. 1-4 The rotating rod 3 is fixedly connected with the connecting rod 4, the connecting rod 4 is threadedly connected with the impact hammer 5, the support plate 7 is fixedly installed inside the support 2, and the upper surface of the support plate 7 is fixedly connected with the electric push rod 8. By threadedly connecting the lower end of the connecting rod 4 with the impact hammer 5, when the worker needs to replace the impact hammer 5, the impact hammer 5 is rotated to be separated from the connecting rod 4, and then falls by its own gravity. After that, the worker can use other tools to transport the impact hammer 5, and can replace a new impact hammer 5. By arranging the electric push rod 8, when the vibration sensor 6 senses high-frequency vibration, the signal transmitter in the vibration sensor 6 sends an electric signal to the control terminal, and then the control terminal sends an electric signal to the electric push rod 8. The signal receiver arranged in the electric push rod 8 receives the signal, and then the electric push rod 8 works.
[0028] As shown in Figs. 1-4As shown, the upper end of the electric push rod 8 is fixedly installed with a moving plate 9, the moving plate 9 is provided with a inclined groove 901 on the corresponding two sides, the inclined groove 901 is slidably installed with a sliding rod 11, the sliding rod 11 is fixedly connected with the connecting rod 10, the connecting rod 10 is fixedly installed with an auxiliary rod 15 on one side surface, by fixedly installing the moving plate 9 on the upper end of the electric push rod 8, and the moving plate 9 is provided with a inclined groove 901 on the corresponding two sides, and the inclined groove 901 is slidably installed with a sliding rod 11, when the electric push rod 8 is elongated, the moving plate 9 is driven to rise, so that the sliding rod 11 slides in the inclined groove 901, and then drives the connecting rod 10 to rotate, by setting two inclined grooves 901 in opposite directions, so that the two connecting rods 10 move towards each other, and then the device on the two connecting rods 10 moves towards the rotating rod 3, when the rotating rod 3 is not needed to be clamped, the staff operates the electric push rod 8 to shorten it, so that the sliding rod 11, the connecting rod 10 and the device on the connecting rod 10 move in opposite directions, and then the clamp 14 moves away from the rotating rod 3.
[0029] As shown in the figure, Figs. 1-4 The auxiliary rod 15 extends to the outside of the connecting rod 10, the end of the auxiliary rod 15 away from the connecting rod 10 is rotatably connected with the inner wall of the support 2, the connecting rod 10 is fixedly installed with a connecting rod 12 away from the end of the sliding rod 11, the connecting rod 12 is rotatably installed with a fixed block 13, the fixed block 13 is fixedly connected with the clamp 14, by setting the auxiliary rod 15, and the auxiliary rod 15 is rotatably connected with the inner wall of the support 2, and the auxiliary rod 15 is fixedly connected with the connecting rod 10, so that the connecting rod 10 can rotate, by setting the connecting rod 10 fixedly installed with the connecting rod 12 away from the end of the sliding rod 11, and the connecting rod 12 is rotatably installed with the fixed block 13, and the fixed block 13 is fixedly connected with the clamp 14, so that when the connecting rod 10 rotates, the connecting rod 12, the fixed block 13 and the clamp 14 move together, and the inner wall of the clamp 14 is fixedly installed with an anti-skid film, so that the clamp 14 can stably clamp the rotating rod 3, and after the impact hammer 5 impacts the elevator door 1, the vibration is transmitted to the vibration sensor 6, and then the electric signal is transmitted to the electric push rod 8, which needs about one or two seconds, so that the rotating rod 3 cannot be clamped by the clamp 14 in time, and the rotating rod 3 is clamped after the impact hammer 5 resonates.
[0030] Working principle: the staff will need to detect the elevator door 1 is placed in the set of bearing frame, moving the two sides of the tripod, so that the two sides of the tripod will be closely held elevator door 1, then the universal wheel below the tripod is locked, so that the elevator door 1 is tightly clamped, at this time, the staff pull the impact hammer 5 to the opposite direction of the elevator door 1 movement, to a certain height, the staff release the impact hammer 5, so that it is due to the impact of the elevator door 1, at this time the rotating rod 3 follow the impact hammer 5 movement, and rotating rod 3 both ends are extended to the inside of the bracket 2, when the impact hammer 5 hit the elevator door 1, will produce high frequency vibration, at the same time will be transmitted to the connecting rod 4, so that the connecting rod 4 is fixedly installed with vibration sensor 6 feel high frequency vibration, and then make the vibration sensor 6 in the signal transmitter to the control terminal sends the electric signal, in turn control terminal to the electric push rod 8 sends the electric signal, so that the electric push rod 8 inside the signal receiver receives the signal, and then make the electric push rod 8 work, so that the two clamp 14 are moving to the direction of rotating rod 3, and then the rotating rod 3 is clamped by clamp 14, so that the rotating rod 3 no longer rotate, in turn make the impact hammer 5 stop movement, avoid multiple impact caused by the elevator layer door damage, lead to its can't continue to use.
[0031] The above, only for the preferred specific embodiments of the present application, but the scope of the present application is not limited to this, any skilled in the art of the technical personnel in the present application disclosed in the technical range, according to the technical scheme of the present application and the utility model concept of the present application to equivalent replacement or change, should be covered in the scope of the present application.
Claims
1. A non-destructive elevator landing door strength testing device comprising an elevator door (1) and a striking hammer (5), characterized in that, The impact hammer (5) is connected with the rotating rod (3) through the connecting rod (4), both sides of the rotating rod (3) are rotatably installed with the support (2), the connecting rod (4) is fixedly installed with the vibration sensor (6), the support (2) is rotatably installed with the clamping mechanism, The clamping mechanism comprises a clamp (14) for clamping the rotating rod (3), a connecting rod (10) rotatably arranged on the opposite sides of the clamp (14), and an electric push rod (8).
2. A non-destructive elevator landing door strength testing device according to claim 1, characterized in that The rotating rod (3) is fixedly connected with the connecting rod (4), and the connecting rod (4) is threadedly connected with the impact hammer (5).
3. A non-destructive elevator landing door strength testing device according to claim 1, wherein, The support plate (7) is fixedly installed in the support (2), and the upper surface of the support plate (7) is fixedly connected with the electric push rod (8).
4. A non-destructive elevator landing door strength testing device according to claim 3, wherein The moving plate (9) is fixedly installed on the upper end of the electric push rod (8), and the inclined grooves (901) are formed in the corresponding two sides of the moving plate (9).
5. A non-destructive elevator landing door strength testing device according to claim 4, wherein, The sliding rod (11) is fixedly connected with the connecting rod (10), and the auxiliary rod (15) is fixedly installed on one side surface of the connecting rod (10).
6. A non-destructive elevator landing door strength testing device according to claim 5, wherein, The auxiliary rod (15) extends to the outside of the connecting rod (10), and the end of the auxiliary rod (15) away from the connecting rod (10) is rotatably connected with the inner wall of the support (2).
7. A non-destructive elevator landing door strength testing device according to claim 6, wherein, The connecting rod (10) is fixedly installed with the connecting rod (12) away from the sliding rod (11), the fixed block (13) is rotatably installed on the connecting rod (12), and the fixed block (13) is fixedly connected with the clamp (14).