A bolt measuring device and method

Abstract

The application provides a bolt measuring device and method, and relates to the technical field of part detection. The bolt detection device comprises a shell, a detection needle connecting plate arranged at the first end of the shell, and a plurality of metal detection needles arranged on the detection needle connecting plate. The detection needle connecting plate is connected with a detection connector of a bolt to be detected, each metal detection needle is connected with a corresponding connector on the detection connector, the bolt to be detected is internally provided with a sensor and an operational amplifier, and the sensor comprises a pretightening force sensor or the sensor comprises a pretightening force sensor and an angle sensor. According to the scheme, the detection needle connecting plate provided with the plurality of metal detection needles can collect installation data on the bolt to be detected by only communicating with the bolt to be detected through one wire harness. The data collection device for detecting the installation state of the bolt solves the problem that different detection data lines are required for detecting different parameters.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of part detection, in particular to a bolt measuring device and method. BACKGROUND

[0002] For the installation of the bolt at the key component of the mechanical equipment, the over-tightening or over-tightening will cause the equipment operation failure, therefore, the detection of the bolt installation is crucial. At present, the data acquisition device for detecting the bolt installation state needs different detection data lines for detecting different parameters, the connection line with the bolt is complex, and is not suitable for inspection and monitoring; meanwhile, the detection of the bolt installation data is only for the pretightening force, when the pretightening force sensor fails, the installation data of the bolt cannot be accurately collected, so that the cause of the equipment failure cannot be correctly detected. SUMMARY

[0003] The bolt measuring device and method provided by the embodiments of the present application solve the problem that the data acquisition device for detecting the bolt installation state in the prior art needs different detection data lines for detecting different parameters, the connection line with the bolt is complex, and is not suitable for inspection and monitoring.

[0004] In order to solve the above technical problems, the present application adopts the following technical solutions:

[0005] The bolt measuring device provided by the embodiments of the present application comprises:

[0006] a shell;

[0007] a detection needle connecting plate arranged at the first end of the shell, wherein a plurality of metal detection needles are arranged on the detection needle connecting plate; the detection needle connecting plate is connected with a detection connector of a bolt to be detected; and each metal detection needle is connected with a corresponding connector on the detection connector.

[0008] The bolt to be detected is provided with a sensor and an operational amplifier; the sensor comprises a pretightening force sensor, or the sensor comprises a pretightening force sensor and an angle sensor.

[0009] Further, the bolt measuring device further comprises a magnetic ring, and the magnetic ring is nested on the detection needle connecting plate.

[0010] The detection connector is a magnetic attraction connector, and the detection needle connecting plate is connected with the magnetic attraction connector through the magnetic ring.

[0011] Further, the bolt measuring device further comprises a main control board arranged in the shell.

[0012] The main control board is connected with the detection needle connecting plate.

[0013] The main control board is provided with a micro-unit control module, a memory and a data acquisition module.

[0014] Further, the main control board is further provided with an operation button.

[0015] The shell is provided with a first through hole, and one end of the operation button extends to the outside of the shell through the first through hole.

[0016] Further, the bolt measuring device further comprises a power module arranged in the shell, and the power module is connected with the probe needle connecting plate through the main control board.

[0017] The power module comprises a power interface, a voltage stabilizing circuit, a storage battery and a communication module.

[0018] Further, the bolt measuring device further comprises a display screen driving board arranged in the shell and a display screen connected with the display screen driving board.

[0019] The display screen driving board is connected with the probe needle connecting plate through the main control board.

[0020] Further, the shell is further provided with a display window.

[0021] The display screen is installed in cooperation with the display window.

[0022] Further, the bolt measuring device further comprises an antenna.

[0023] The antenna is arranged in the shell away from one end of the probe needle connecting plate.

[0024] One end of the antenna is connected with the main control board through the power module, and the other end extends out of the shell.

[0025] The embodiment of the application further provides a bolt measuring method applied to the bolt measuring device.

[0026] In the case that the probe needle connecting plate is in communication with the detection connector of the bolt to be detected, the ID information of the bolt to be detected is acquired through the probe needle connecting plate.

[0027] A first input for the operation button is received, and target data of the bolt to be detected is determined according to the first input.

[0028] First installation data of the bolt to be detected collected by a sensor in the bolt to be detected is acquired through the probe needle connecting plate.

[0029] The installation data includes a pre-tightening force parameter of the bolt to be detected or a rotation angle parameter and a pre-tightening force parameter of the bolt to be detected.

[0030] The bolt to be detected is a bolt with a pre-tightening force sensor, an angle sensor, a first memory and an operational amplifier.

[0031] Further, the first installation data of the bolt to be detected collected by the sensor in the bolt to be detected through the probe needle connecting plate includes:

[0032] If the target data is data for clearing the installation data collected by the bolt to be detected, the first installation data of the bolt to be detected collected by the sensor in the bolt to be detected through the probe needle connecting plate is obtained after the installation data of the bolt to be detected is cleared to zero;

[0033] If the target data is data for detecting the installation data of the bolt to be detected, the first installation data of the bolt to be detected collected by the sensor in the bolt to be detected through the probe needle connecting plate is obtained.

[0034] The bolt detection device has the following advantages:

[0035] The bolt detection device has the following advantages: BRIEF DESCRIPTION OF DRAWINGS

[0036] Figure 1 Fig. 1 shows a structure schematic diagram of a bolt detection device according to an embodiment of the present application;

[0037] Figure 2 Fig. 2 shows a structure schematic diagram of a bolt to be detected according to an embodiment of the present application;

[0038] Figure 3 Fig. 3 shows a connection schematic diagram of a bolt detection device and a bolt to be detected according to an embodiment of the present application;

[0039] Figure 4 Fig. 4 shows a structure schematic diagram of a bolt detection device according to an embodiment of the present application;

[0040] Figure 5A schematic diagram of steps of a bolt detection method according to an embodiment of the application. DETAILED DESCRIPTION

[0041] To make the technical problems, technical solutions and advantages of the present application clearer, specific embodiments will be described in detail below with reference to the accompanying drawings. In the following description, specific details such as specific configurations and components are provided only to help a comprehensive understanding of embodiments of the present application. Therefore, it should be apparent to those skilled in the art that various changes and modifications can be made to the embodiments described herein without departing from the scope and spirit of the present application. In addition, descriptions of known functions and configurations are omitted for clarity and conciseness.

[0042] It should be understood that the term "one embodiment" or "an embodiment" as referred to throughout the specification means that a specific feature, structure, or characteristic relating to an embodiment is included in at least one embodiment of the present application. Therefore, "in one embodiment" or "in an embodiment" appearing in various places throughout the specification are not necessarily referring to the same embodiment. Furthermore, these specific features, structures, or characteristics can be combined in any suitable manner in one or more embodiments.

[0043] The present application is directed to a data acquisition device for detecting the installation state of a bolt. Different parameters require different detection data lines, and the connection with the bolt is complex, which is not suitable for inspection and monitoring. The present application provides a bolt measurement device and method.

[0044] As shown in Figure 1 and Figure 4 , the present application provides a bolt measurement device, comprising:

[0045] a housing 1;

[0046] a detection needle connecting plate 2 arranged at the first end of the housing 1, the detection needle connecting plate 2 being provided with a plurality of metal detection needles 21; wherein the detection needle connecting plate 2 is connected with a detection connector of a bolt to be detected, and each metal detection needle 21 is connected with a corresponding connector on the detection connector;

[0047] wherein the bolt to be detected is provided with a sensor and an operational amplifier, and the sensor comprises a pretightening force sensor, or the sensor comprises a pretightening force sensor and an angle sensor.

[0048] It should be noted that the pretightening force sensor is used to collect the tension during the installation of the bolt to be detected, or the tension when the bolt to be detected is in the installed state; the angle sensor is used to collect the installation angle during the installation of the bolt to be detected, or the installation angle when the bolt to be detected is in the installed state.

[0049] In an embodiment of the present application, the bolt to be detected is also internally provided with a chip for collecting and saving installation data of the bolt during installation and after installation.

[0050] In an embodiment of the present application, as shown in Figure 2 The detection connector of the bolt to be detected is a plurality of annular metal connecting pieces, each connecting piece corresponding to a sensor, and the metal probe communicates with the annular metal piece to obtain installation data collected by the sensor, such as pretightening force and installation angle.

[0051] As shown in Figure 3 In an embodiment of the present application, the metal detection needle is a metal spring needle, and each metal detection needle is connected to a corresponding annular metal connecting piece, so that the pretightening force and installation angle collected by the pretightening force sensor and angle sensor internally provided in the bolt to be detected can be collected.

[0052] It should be noted that the installation angle can be understood as starting to collect the rotation angle of the bolt when the pretightening force is detected, or starting to collect the rotation angle of the bolt when the pretightening force is greater than or equal to a preset value.

[0053] In an embodiment of the present application, the shell is an elongated column, and the outer diameter of the shell is less than or equal to the outer diameter of the bolt head of the bolt to be detected, so that the bolt detection device can detect installation data of the bolt in real time during installation of the bolt to be detected.

[0054] The bolt detection device of the present application can collect installation data on the bolt to be detected by only one wire harness through the detection needle connecting plate provided with a plurality of metal detection needles, and can collect the pretightening force and installation angle on the bolt to be detected through the use of the bolt to be detected internally provided with a sensor and an operational amplifier, and can detect installation data of the bolt through the installation angle and the pretightening force, thereby improving the accuracy of detection. The data collection device for detecting the installation state of the bolt in the prior art needs different detection data lines for detecting different parameters, and the connection line with the bolt is complex and not suitable for inspection and monitoring.

[0055] Optionally, the bolt measurement device further comprises a magnetic ring 3, which is nested on the detection needle connecting plate 2.

[0056] The detection connector is a magnetic connector, and the detection needle connecting plate is connected with the magnetic connector through the magnetic ring.

[0057] In an embodiment of the present application, the plurality of metal detection needles are arranged in a line, and the distance between each metal detection needle is the same as the width of the annular metal connecting piece of each bolt to be detected. The detection needle connecting plate and the detection connector of the bolt to be detected are connected through the magnetic force between the magnetic ring and the magnetic connector. Through the magnetic ring and the magnetic connector, the signal connection is realized under the action of magnetic attraction, and the pre-tightening force and installation angle information of the bolt collected or stored in the bolt are obtained.

[0058] Optionally, the bolt measuring device further comprises a main control board 4 arranged inside the shell 1.

[0059] The main control board 4 is connected with the detection needle connecting plate 2.

[0060] The main control board 4 is provided with a micro unit control module, a memory and a data acquisition module.

[0061] The whole bolt detection device is controlled by the micro unit control module (Microcontroller Unit, MCU) on the main control board, the installation data of the bolt to be detected is acquired by the data acquisition module, and the acquired installation data of the bolt is saved by the memory.

[0062] Optionally, as shown in the figure, Figure 4 The main control board 4 is further provided with an operation button 41.

[0063] The shell 1 is provided with a first through hole 11, and one end of the operation button 41 extends to the outside of the shell 1 through the first through hole 11.

[0064] Optionally, the bolt measuring device further comprises a power module 5 arranged inside the shell 1, and the power module 5 is connected with the detection needle connecting plate 2 through the main control board 4.

[0065] The power module 5 comprises a power interface 51, a voltage stabilizing circuit, a storage battery 52 and a communication module.

[0066] In an embodiment of the present application, the operation button can be used to select the detection mode for the bolt to be detected, and different detection modes are adopted for the bolts in different installation states.

[0067] In an embodiment of the present application, the power interface is a USB interface.

[0068] Optionally, the bolt measuring device further comprises a display screen driving board 61 arranged inside the shell 1 and a display screen 62 connected with the display screen driving board 61.

[0069] The display screen driving board 61 is connected with the probe needle connecting board 2 through the main control board 4.

[0070] The bolt detecting device of the embodiment of the application, the display screen is an OLED display screen. The installation data of the detected bolt is displayed in real time through the display screen, so that the installation of the bolt can meet various requirements.

[0071] Optionally, the shell 1 is further provided with a display window 12.

[0072] The display screen 62 is installed in cooperation with the display window 12.

[0073] Optionally, the bolt measuring device further comprises an antenna 7.

[0074] The antenna 7 is arranged at one end of the shell 1 away from the probe needle connecting board 2.

[0075] One end of the antenna 7 is connected with the main control board 4 through the power module 5, and the other end extends out of the shell 1.

[0076] In an embodiment of the application, the antenna can be a WiFi antenna or a Bluetooth antenna. The antenna is arranged at the top end of the bolt detecting device, so that the antenna is not blocked by other objects and can send the data detected by the detecting device in real time.

[0077] As shown in Figure 5 The embodiment of the application further provides a bolt measuring method applied to the bolt measuring device and comprising the following steps:

[0078] Step 501: in the case that the probe needle connecting board is in communication with the detection connector of the bolt to be detected, the ID information in the bolt to be detected is acquired through the probe needle connecting board;

[0079] Step 502: a first input of pressing a button is received, and target data stored in the bolt to be detected is determined according to the first input;

[0080] Step 503: first installation data of the bolt to be detected collected by a sensor in the bolt to be detected is acquired through the probe needle connecting board;

[0081] The installation information comprises a pretightening force parameter of the bolt to be detected or a rotation angle parameter and a pretightening force parameter of the bolt to be detected.

[0082] The bolt detection method of the embodiment of the application connects the detection connector on the bolt head with the probe needle connecting plate of the bolt detection device, reads the ID information of the bolt after starting, measures the pretightening force of the bolt, sets the zero of the angle parameter, and saves the initial 0 point state, time and other information, simultaneously, through WIFI and wireless connection, the mobile phone and computer end can read and collect the information in real time; the nut is fixed, the bolt is tightened, at this time, the display shows the pretightening force and angle information of the bolt in real time, when the fastening is completed, the single-click button can store the pretightening force and angle information after installation; the measurement of the installation process is completed, the long-press switch or 10 minutes of non-operation will automatically shut down.

[0083] Optionally, the first installation data of the bolt to be detected acquired by the probe needle connecting plate includes:

[0084] If the target data is the data of zeroing the installation data collected for the bolt to be detected, the first installation data of the bolt to be detected collected by the sensor in the bolt to be detected is acquired through the probe needle connecting plate after the installation data of the bolt to be detected is set to zero;

[0085] If the target data is the data of detecting the installation data of the bolt to be detected, the first installation data of the bolt to be detected collected by the sensor in the bolt to be detected is acquired through the probe needle connecting plate.

[0086] In an embodiment of the application, the probe needle connecting plate of the bolt detection device is connected with the detection connector on the bolt head, after starting, the installation record information before the bolt is read, and it is selected by the operation button whether to import the zero point information or the installation information. If the imported zero point information is selected, the detection step is the same as the bolt detection method of the above embodiment, the detected data is stored, and the historical installation information is covered after storage. If the imported installation information is selected, the bolt pretightening force measurement mode is entered, the bolt pretightening force and the angle value are displayed, and the collected data and time are recorded.

[0087] In an embodiment of the application, the bolt detection device can be fixedly connected with the bolt to be detected through external force (for example, through epoxy glue), real-time monitoring of the bolt to be detected is performed, and the real-time monitored data is sent out.

[0088] The above is the preferred embodiment of the application, it should be noted that for ordinary personnel in the technical field, without departing from the principle of the application, several improvements and refinements can be made, and these improvements and refinements are also within the protection scope of the application.

Claims

1. A bolt measuring device, characterized by, The application relates to a bolt measuring device. The bolt measuring device comprises a shell, a probe needle connecting plate arranged at a first end of the shell, and a plurality of metal probe needles arranged on the probe needle connecting plate; wherein the probe needle connecting plate is connected with a detection connector of a bolt to be detected, the detection connector is arranged on a bolt head of the bolt to be detected, the detection connector of the bolt to be detected is a plurality of annular metal connecting pieces, each metal connecting piece corresponds to a sensor, and each metal probe needle is connected with a corresponding metal connecting piece. A magnetic ring is arranged on the probe needle connecting plate. The detection connector is a magnetic attraction connector, and the probe needle connecting plate is connected with the magnetic attraction connector through the magnetic ring. The bolt to be detected is provided with a sensor and an operational amplifier, and the sensor comprises a pre-tightening force sensor or the sensor comprises a pre-tightening force sensor and an angle sensor. The bolt measuring device further comprises a main control board arranged in the shell.

2. Bolt measuring device according to claim 1, characterized in that The main control board is connected with the probe needle connecting plate. The main control board is provided with a micro-unit control module, a memory and a data acquisition module. The main control board is further provided with an operation button.

3. Bolt measuring device according to claim 2, characterized in that The shell is provided with a first through hole, and one end of the operation button extends to the outside of the shell through the first through hole. The bolt measuring device further comprises a power module arranged in the shell, and the power module is connected with the probe needle connecting plate through the main control board.

4. The bolt measuring device of claim 2, wherein, The power module comprises a power interface, a voltage stabilizing circuit, a storage battery and a communication module. The bolt measuring device further comprises a display screen driving board arranged in the shell and a display screen connected with the display screen driving board.

5. The bolt measuring device of claim 2, wherein, The display screen driving board is connected with the probe needle connecting plate through the main control board. The shell is further provided with a display window.

6. Bolt measuring device according to claim 5, characterized in that The display screen is mounted in cooperation with the display window. The bolt measuring device further comprises an antenna.

7. The bolt measuring device of claim 4, wherein, The antenna is arranged at one end of the shell away from the probe needle connecting plate. One end of the antenna is connected with the main control board through the power module, and the other end of the antenna extends out of the shell. The application is applied to the bolt measuring device as claimed in any one of claims 1 to 7, and comprises the following steps.

8. A bolt measuring method characterized by, In the case that the probe needle connecting plate is in communication with the detection connector of the bolt to be detected, ID information in the bolt to be detected is acquired through the probe needle connecting plate. A first input of an operation button is received, and target data stored in the bolt to be detected is determined according to the first input. First installation data of the bolt to be detected collected by a sensor in the bolt to be detected is acquired through the probe needle connecting plate. The installation data comprises pre-tightening force parameters of the bolt to be detected or angle parameters and pre-tightening force parameters of the bolt to be detected. The first installation data of the bolt to be detected collected by the sensor in the bolt to be detected is acquired through the probe needle connecting plate.

9. The bolt measuring method according to claim 8, characterized by, ​ If the target data is data for clearing the installation data collected for the bolt to be detected, after the installation data of the bolt to be detected is cleared to zero, the first installation data of the bolt to be detected collected by the sensor in the bolt to be detected is acquired through the detection needle connecting plate. If the target data is data for detecting the installation data of the bolt to be detected, the first installation data of the bolt to be detected collected by the sensor in the bolt to be detected is acquired through the detection needle connecting plate.

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