CN218413636U

CN218413636U - Automatic damage early warning device for mortise and tenon joints of wood structure

Info

Publication number: CN218413636U
Application number: CN202220101455.2U
Authority: CN
Inventors: 孟昭博; 任现才; 赵腾飞; 高飞飞; 赵剑桥; 杨乐华
Original assignee: Liaocheng University
Current assignee: Liaocheng University
Priority date: 2022-01-16
Filing date: 2022-01-16
Publication date: 2023-01-31
Anticipated expiration: 2032-01-16

Abstract

The utility model discloses an automatic early warning device that harms of timber structure tenon fourth of twelve earthly branches node, including battery, strain gauge displacement sensor, display controller, audio alert device and U type ferrule, strain gauge displacement sensor and audio alert device pass through the battery with the display controller respectively and are connected, wherein strain gauge displacement sensor and post fourth of twelve earthly branches mouth contact for whether the detection tenon breaks away from the fourth of twelve earthly branches mouth, display controller is used for accepting strain gauge displacement sensor's signal, is used for controlling audio alert device to stop or output warning pronunciation, in order to realize the automatic function that harms the early warning of tenon fourth of twelve earthly branches node; the U-shaped ferrule is connected with a measured object through a connecting piece. The device realizes the process from the past 'passive' rescue protection to 'active' preventive protection, ensures that the wooden-structure mortise and tenon joint is repaired in time, and prevents the mortise and tenon joint from generating larger damage.

Description

Automatic damage early warning device for mortise and tenon joints of wood structure

Technical Field

The utility model relates to a building damage early warning field is exactly an automatic early warning device that harms of timber structure tenon fourth of twelve earthly branches node.

Background

The wooden structure ancient buildings in China have extremely high reputation in the world, and the mortise and tenon connection is one of the great characteristics. The mortise and tenon joint is semi-rigid connection, and can absorb a part of energy through self rotation and friction under the action of an earthquake, so that the shock absorption effect is achieved. However, the mortise and tenon joint is most easily damaged under the action of natural environment, artificial damage and earthquake, and the mortise and tenon joint is mainly damaged by pulling out the tenon, so that the house can be collapsed in serious cases. Therefore, the early warning of automatic damage to the mortise and tenon pulling of the mortise and tenon joint is of great importance, namely, the mortise and tenon joint is maintained and protected when being slightly damaged, so that the phenomenon that the mortise and tenon joint is damaged more greatly and irreparable loss is caused to the wooden structure ancient building is prevented.

Traditional tenon fourth of twelve earthly branches node is pulled out the tenon and is detected to rely on people's eyes, not only need consume more manpower, can not observe when pulling out the tenon less to tenon fourth of twelve earthly branches node moreover, causes prosthetic best opportunity. In addition, the existing few devices can automatically early warn damage of mortise and tenon joint mortise pulling.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide an automatic early warning device that harms of timber structure tenon fourth of twelve earthly branches node adopts the device can realize automatic damage early warning when the tenon is pulled out to tenon fourth of twelve earthly branches node and is exceeded the setting value.

In order to solve the above technical problem, the utility model discloses a following technical means:

the utility model provides an automatic early warning device that harms of timber structure tenon fourth of twelve earthly branches node, includes strain gauge displacement sensor, audio alert device, its characterized in that: strain formula displacement sensor and audio alert device are connected with the display controller electricity respectively, and the display controller is connected with the battery electricity, and strain formula displacement sensor sense terminal and post fourth of the twelve earthly branches mouth contact for whether the displacement breaks away from fourth of the twelve earthly branches mouth for detecting the tenon, display controller is used for accepting strain formula displacement sensor's signal, is used for controlling audio alert device and reports to the police, and U type ferrule passes through bolt, connecting piece and is connected by survey timber structure tenon fourth of the twelve earthly branches node.

Further preferred embodiments are as follows:

the storage battery is a rechargeable storage battery.

Through setting up rechargeable battery, conveniently supply the electric energy for the battery to maintain the work needs of this device.

The display instrument controller is provided with a controller and a display screen, the display screen displays displacement data monitored by the strain type displacement sensor, when the displacement data exceed the set limit, the display instrument controller controls the voice alarm device to alarm, and meanwhile, the alarm lamp is turned on.

Through setting up the display screen, conveniently utilize the display screen to show monitoring data.

The display instrument controller is provided with a control switch, a working indicator lamp and an alarm lamp.

The control switch is arranged, so that the parameters can be conveniently set and adjusted by using the control switch; the working state of the display device is convenient to display by arranging the working indicator lamp and the alarm lamp.

The display instrument controller is electrically connected with the wireless transceiver module and sends monitoring information to the remote control end through the wireless transceiver module.

Through setting up wireless transceiver module, be convenient for receive corresponding information at remote control end, for example control center or staff's cell-phone to manual intervention or maintenance in time.

And a second strain type displacement sensor is connected and arranged on the U-shaped hoop and is electrically connected with the display instrument controller.

Through setting up second strain type displacement sensor, second strain type displacement sensor monitors above tenon fourth of twelve earthly branches node, and strain type displacement sensor monitors in tenon fourth of twelve earthly branches node below, makes the monitoring result more accurate. In addition, the condition that the single sensor cannot be monitored when damaged can be prevented.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is a schematic diagram of the U-shaped ferrule and the second strain type displacement sensor according to the present invention.

Description of reference numerals: 1. a storage battery; 2. a strain gauge displacement sensor; 3. a display controller; 4. a voice alarm device; 5. a U-shaped cuff; 6. a connecting member; 7. a series of switches; 8. a work indicator light; 9. an alarm lamp; 10. a bolt; 11-second strain gauge displacement sensor.

Detailed Description

The present invention will be further described with reference to the following examples.

As shown in fig. 1, the utility model discloses an automatic early warning device that harms of timber structure tenon fourth of twelve earthly branches node, including battery 1, strain gauge displacement sensor 2, display instrument controller 3, audio alert device 4 and U type ferrule 5, wherein strain gauge displacement sensor 2 ware and audio alert device 4 pass through battery connection 1 with display instrument controller 3 respectively.

Specifically, the strain type displacement sensor 2 is in contact with the post mortise and used for detecting whether the tenon is separated from the mortise and a display instrument controller 3 is used for receiving a signal of the strain type displacement sensor 2 and controlling the voice alarm device 4 to stop or output an alarm voice so as to realize the function of automatic damage early warning of the mortise and tenon joint; wherein the connecting piece 6 of the device is fixedly connected with the object to be measured through the bolt 10 on the U-shaped hoop 5.

The specific use mode is as follows: when the strain type displacement sensor is used, the strain type displacement sensor 2 is fixed on a measured object through the U-shaped ferrule 5 when being contacted with a column mortise opening, and the switch 7 of the display instrument controller 3 is adjusted.

The components of the switch 7 are from left to right, the first is a power switch, the second is a displacement data zero clearing button, the third and fourth are buttons for adjusting displacement limit, and the fifth is a confirmation button after the displacement limit is adjusted.

Through switch 7 displacement data zero clearing, then adjustment displacement restriction, click and confirm, then the device carries out work, when certain displacement is pulled out to the tenon fourth of the twelve earthly branches, and removal displacement can be sensed to strain gauge displacement sensor 2, triggers the restriction displacement, reaches voice alarm device 4 at this moment and carries out voice broadcast, and alarm lamp 9 glimmers simultaneously, reminds the staff in time to maintain the reinforcement.

As shown in fig. 2, a second strain type displacement sensor 11 is connected to the U-shaped ferrule 5, and the second strain type displacement sensor 11 is electrically connected to the display controller 3.

Through setting up second strain type displacement sensor 11, second strain type displacement sensor 11 monitors in tenon fourth of twelve earthly branches node top, and strain type displacement sensor 2 monitors in tenon fourth of twelve earthly branches node below, makes the monitoring result more accurate. In addition, the condition that the single sensor cannot be monitored when damaged can be prevented.

The above description is only a preferred and practical embodiment of the present invention, and not intended to limit the scope of the present invention, and all structural equivalents made by using the contents of the specification and drawings are included in the scope of the present invention.

Claims

1. The utility model provides an automatic early warning device that harms of timber structure tenon fourth of twelve earthly branches node, includes strain gauge displacement sensor (2), audio alert device (4), its characterized in that: strain formula displacement sensor (2) and audio alert device (4) are connected with display controller (3) electricity respectively, display controller (3) are connected with battery (1) electricity, strain formula displacement sensor (2) sense terminal and post fourth of the twelve earthly branches mouth contact for whether detect the tenon take place the displacement and break away from the fourth of the twelve earthly branches mouth, display controller (3) are used for accepting the signal of strain formula displacement sensor (2), be used for controlling audio alert device (4) and report to the police, U type cover hoop (5) are through bolt (10), connecting piece (6) are connected with being surveyed timber structure tenon fourth of the twelve earthly branches node.

2. The automatic damage early warning device of timber structure tenon fourth of twelve earthly branches node of claim 1, characterized in that: the storage battery (1) is a rechargeable storage battery.

3. The automatic damage early warning device of timber structure tenon fourth of twelve earthly branches node of claim 1, characterized in that: display instrument controller (3) be equipped with controller, display screen, the displacement data that the display screen shows strain gauge displacement sensor monitoring, when displacement data surpassed the restriction of setting for, display instrument controller (3) control audio alert device (4) report to the police, the alarm lamp lights simultaneously.

4. The automatic damage early warning device of timber structure tenon fourth of twelve earthly branches node of claim 1, characterized in that: the display instrument controller (3) is provided with a control switch (7), a work indicator lamp (8) and an alarm lamp (9).

5. The automatic damage early warning device of timber structure tenon fourth of twelve earthly branches node of claim 1, characterized in that: the display instrument controller (3) is electrically connected with the wireless transceiving module, and the display instrument controller (3) sends monitoring information to the remote control end through the wireless transceiving module.

6. The automatic damage early warning device of timber structure tenon fourth of twelve earthly branches node of claim 1, characterized in that: the U-shaped hoop (5) is connected with a second strain type displacement sensor (11), and the second strain type displacement sensor (11) is electrically connected with the display instrument controller (3).