Intelligent bolt

Abstract

The invention relates to an intelligent bolt, and relates to the technical field of fixing parts, the intelligent bolt comprises a bolt body and a chip system, the bolt body comprises a contact part and a connecting part, and the contact part and the connecting part are fixedly connected; the fixing part is provided with an installation groove, the chip system is located in the installation groove, the chip system comprises a mechanical sensor and a signal transmission line, the mechanical sensor is installed on the connecting part, the signal transmission line is connected with the mechanical sensor, and the signal transmission line is used for transmitting related electric signals. The bolt fixing device has the advantages that the related state of the bolt can be known in time, and then an operator can conveniently know the fixing state of a related structure.

Description

Technical Field

[0001] The present application relates to the technical field of fixing parts, and in particular to a smart bolt. Background Art

[0002] Bolts are widely used in daily life and industrial production and are called the rice of industry. In recent years, with the implementation of the national major infrastructure, the use scope and quantity of bolts have also increased exponentially, playing a unique role in various occasions.

[0003] In the relevant technology, bolt connection belongs to detachable connection. In construction and civil engineering, bolt connection is a common connection method used to fasten two parts with through holes. At the same time, bolt fastening is widely used in many fields such as machinery, chemical industry, wind power generation, railway bridges and building structures. It is used to fix the relevant structures to the corresponding position on the ground, thereby completing the fixation of the relevant parts.

[0004] In view of the complex and changeable use environment, the stress condition and tightening effect of the bolts also change with the passage of time. After several months or even years, it is unknown whether the original installation bolts still meet the tightening requirements of various parts or whether they have been damaged. This has created great hidden dangers in many key parts, making quality accidents very likely to occur, causing property losses and even threatening personal safety. Summary of the invention

[0005] In order to be able to understand the relevant status of the bolt in a timely manner, and thus facilitate operators to understand the fixing status of the relevant structure, the present application provides a smart bolt.

[0006] The present application provides a smart bolt, which adopts the following technical solution:

[0007] A smart bolt comprises a bolt body and a chip system, wherein the bolt body comprises a contact portion and a connecting portion, and the contact portion and the connecting portion are fixedly connected;

[0008] The fixing part is provided with an installation groove, the chip system is located in the above-mentioned installation groove, the chip system includes a mechanical sensor and a signal transmission line, the mechanical sensor is installed on the connecting part, the signal transmission line is connected to the mechanical sensor, and the signal transmission line is used to transmit relevant electrical signals.

[0009] By adopting the above technical solution, the fixing part and the connecting part form the bolt body, and the connecting part provides installation support for the opening of the installation slot, and the installation slot provides support for the installation of mechanical sensors and signal transmission lines. The sensor collects the force and deformation data of the bolt and transmits it to the signal acquisition transmitter through the signal transmission line. After being processed by the signal acquisition transmitter, the signal is transmitted to the wireless signal receiver via wireless. The wireless signal receiver summarizes the force and deformation data of each bolt and transmits it to the data processing center via optical fiber. The data processing center analyzes the received information and outputs prompts, warnings and other signals according to the preset values ​​and forms a corresponding analysis report to facilitate the management personnel to make decisions, which is convenient for the operators to consider and judge the status of the relevant bolts and whether the bolts need to be replaced, thereby ensuring the stability and reliability of the relevant structure.

[0010] Optionally, an installation device is provided in the installation groove, and the installation device includes a installation frame, and the installation frame is provided with a sliding groove at each corner, and the extension lines of the sliding groove converge at a point, and a slider is provided in the sliding groove, and the slider elastically slides along the sliding groove, and a fixed tube and a movable rod are provided at the slider, and the fixed tube and the slider are rotatably connected, and the movable rod elastically slides along the fixed tube, and the top of the movable rod is fixedly connected to a support rod, and the end of the support rod is provided with a guide block.

[0011] By adopting the above technical solution, the mounting frame provides support for the setting of the sliding groove, the sliding groove provides a limit for the sliding direction of the slider, the slider provides support for the installation of the fixed tube, and the movable rod can change the position of the support rod. When the operator installs the mechanical sensor, the mechanical sensor contacts and squeezes the guide block to make the support rod slide in a direction away from each other, and then the support rod limits the mechanical sensor, which is convenient for the operator to install the mechanical sensor and can limit the mechanical sensor at the same time.

[0012] Optionally, the guide block is preferably a right-angled triangle block, the inclined surface of the guide block is located on the side where the right-angled surfaces are close to each other, and the guide block is fixedly connected to the support rod.

[0013] By adopting the above technical solution, the mechanical sensor abuts against the inclined surface of the guide block, and the operator squeezes the side wall of the guide block to drive the support rods to slide away from each other, which makes it easier for the operator to install the mechanical sensor.

[0014] Optionally, a positioning block and a limiting plate are provided on the side where the support plates are close to each other, and the positioning block and the limiting plate are arranged in sequence along the long side direction of the support rod and away from the side of the movable rod, the positioning block and the support rod are fixedly connected, and the limiting plate and the support rod are elastically hinged.

[0015] By adopting the above technical solution, the positioning block can provide a limit for the limit plate to prevent the limit plate from rotating in the opposite direction. When the operator presses the mechanical sensor, the mechanical sensor drives the limit plate to rotate and enter the lower part of the limit plate, so that the mechanical sensor is limited by the limit plate to prevent the mechanical sensor from slipping.

[0016] Optionally, the support plate is provided with an adjustment groove, and the support plate is provided with a slide groove at the bottom of the adjustment groove, and the opening directions of the adjustment groove and the slide groove are consistent;

[0017] A clamping device is provided in the adjusting groove, and the clamping device includes a fixed plate, a guide assembly and a mounting plate, and the fixed plate is fixedly connected to the limit plate; the guide assembly includes a vertical rod, a cross rod and a clamping block, and the vertical rod is fixedly connected to the limit plate, and the cross rod slides along the vertical rod, and the clamping block abuts against the fixed plate and slides along the cross rod;

[0018] The mounting plate slides along the sliding groove, and the mounting plate abuts against the pressing block.

[0019] By adopting the above technical solution, the setting of the adjustment groove provides support for the installation of the clamping device, the fixed plate is fixed to the limiting plate, and the operator slides the clamping block along the cross bar. The clamping block is limited by the fixed plate, driving the cross bar to slide along the vertical bar, and then the clamping block slides along the length direction of the vertical bar, thereby driving the mounting plate to abut against the surface of the mechanical sensor, thereby further completing the limitation of the mechanical sensor.

[0020] Optionally, a clamping assembly is provided on the end surface of the mounting plate away from the clamping block, and the clamping assembly includes a fixed block and a flexible pad, one end of the fixed block is fixedly connected to the mounting plate, and the other end is fixedly connected to the flexible pad.

[0021] By adopting the above technical solution, the fixing block can serve as a connecting structure between the flexible pad and the mounting plate, so that the flexible pad abuts against the surface of the mechanical sensor, thereby completing the position limitation of the mechanical sensor and preventing the mechanical sensor from falling.

[0022] Optionally, the slider is provided with a plurality of fixing grooves arranged in an arc shape, the fixing tube is provided with an elastic pad and a positioning plate, the fixing groove is used to accommodate the positioning plate, and the positioning plate and the fixing tube are elastically connected via the elastic pad and the fixing tube.

[0023] By adopting the above technical solution, the fixing grooves are arranged in an arc shape, so that the fixing tube can be fixed to the slider at various angles, thereby changing the distance between multiple support rods, limiting the position of mechanical sensors of different sizes, and improving the applicability of the device. The elastic pad can drive the positioning plate to be elastically connected along the fixing tube, so that the positioning plate can enter different fixing grooves, thereby limiting the angle between the fixing tube and the slider, and preventing the fixing tube from shaking.

[0024] Optionally, guide grooves are provided on both sides of the positioning plate, and the groove width of the guide grooves gradually deepens in a direction away from the elastic pad.

[0025] By adopting the above technical solution and setting the guide groove, it is convenient for the positioning plate to withdraw from a fixing groove and squeeze the elastic pad, thereby facilitating the positioning plate to leave the fixing groove.

[0026] Optionally, the mounting device further comprises a reset component, the reset component comprises a mounting plate, the mounting plate is rotatably connected to the mounting frame, the side walls of the mounting plate are evenly distributed with push blocks, and the push blocks abut against the slider.

[0027] By adopting the above technical solution, the operator rotates the mounting plate to drive the push block to rotate. At the same time, the push block can drive the slider to slide in the sliding groove, so that the support rods slide away from each other. At this time, the operator can take out the mechanical sensor and complete the disassembly of the mechanical sensor.

[0028] Optionally, the reset assembly further includes a swing rod and a gear, the swing rod and the mounting frame are rotatably connected, the gear and the end structure of the swing rod are meshed, and the mounting plate and the gear are coaxially fixedly connected.

[0029] By adopting the above technical solution, the operator rotates the swing rod, the swing rod and the gear engage, which in turn drives the gear to rotate. The gear and the mounting plate are fixed, which in turn drives the mounting plate to rotate, so that the support rods can slide in the direction away from each other, thereby releasing the limit on the mechanical sensor.

[0030] In summary, the present application includes at least one of the following beneficial technical effects:

[0031] 1. By setting up a chip system, the operator can understand the status of the bolt through the mechanical sensor, which makes it easier for the operator to determine whether the bolt needs to be replaced;

[0032] 2. By providing a mounting device, it is possible to provide mounting support for the mechanical sensor, making it easier to mount the mechanical sensor on the bolt;

[0033] 3. By setting a clamping device, it is convenient for operators to lock the mechanical sensor to prevent the mechanical sensor from loosening from the bolt. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 It is a schematic diagram of the overall structure of the embodiment of the present application;

[0035] Figure 2 is a schematic diagram of the structure of the installation device from the first perspective;

[0036] Figure 3 is a schematic cross-sectional view of the installation device;

[0037] Figure 4 is a schematic diagram of the support component structure;

[0038] Figure 5 is a schematic diagram of the structure of the installation device from a second viewing angle;

[0039] Figure 6 yes Figure 4 The enlarged schematic diagram of part A in the middle;

[0040] Figure 7 It is a cross-sectional schematic diagram of the clamping device.

[0041] Figure numerals: 1, bolt body; 11, contact portion; 12, connecting portion; 13, mounting groove; 2, mounting device; 21, power supply assembly; 211, mounting base; 212, power supply element; 213, blocking plate; 22, mounting frame; 221, contact element; 222, rotating groove; 223, sliding groove; 224, sliding block; 2241, abutment block; 225, elastic member; 226, vertical groove; 227, horizontal groove; 228, fixed groove; 23, reset assembly; 231, swing rod; 232, gear; 233, abutment plate; 234, push block; 24, support assembly; 241. Fixed tube; 242. Movable rod; 25. Angle fixing assembly; 251. Elastic pad; 252. Positioning plate; 253. Guide groove; 26. Support rod; 27. Guide block; 28. Positioning block; 29. ​​Limiting plate; 291. Adjustment groove; 292. Slide groove; 3. Clamping device; 31. Fixed plate; 32. Guide assembly; 321. Vertical rod; 322. Cross rod; 323. Clamping block; 33. Mounting plate; 34. Connecting rod; 35. Clamping assembly; 351. Fixed block; 352. Flexible pad; 4. Chip system; 41. Mechanical sensor; 42. Signal transmission line. DETAILED DESCRIPTION

[0042] The following is combined with Figure 1-7 This application is described in further detail.

[0043] The embodiment of the present application discloses a smart bolt.

[0044] Reference Figure 1 and Figure 2 A smart bolt includes a bolt body 1, an installation device 2, a clamping device 3 and a chip system 4.

[0045] Referring to the figure, the bolt body 1 includes a contact portion 11. The contact portion 11 is horizontally arranged. In this embodiment, the horizontal cross section of the contact portion 11 is preferably an equilateral hexagon, and the top wall and the bottom wall of the contact portion 11 and each side edge are all chamfered.

[0046] Reference Figure 1 The bolt body 1 further comprises a connecting portion 12. In this embodiment, the connecting portion 12 is preferably a cylinder, and the connecting portion 12 and the contact portion 11 are coaxially arranged, and the connecting portion 12 and the fixing portion are integrally fixedly connected. A thread groove is provided at one end of the connecting portion 12 away from the fixing portion, and the thread groove and the connecting portion 12 are coaxially arranged.

[0047] Reference Figure 1 A mounting groove 13 is horizontally provided in the middle of the portion of the connection portion 12 that is not provided with a threaded section. In this embodiment, it has been calculated that the mounting groove 13 will not have an adverse effect on the overall strength of the bolt.

[0048] Reference Figure 1 , Figure 2 and Figure 3 The mounting device 2 is mounted on the end face of the mounting groove 13 away from the opening, and the mounting device 2 includes a power supply assembly 21, and the power supply assembly 21 includes a mounting base 211, a power supply element 212, and a blocking plate 213. In this embodiment, the mounting base 211 is preferably a rectangular plate, and the mounting base 211 is fixedly connected to the mounting frame 22 by screw fixing. The end face of the mounting base 211 away from the connecting portion 12 is provided with a mounting groove 13, and the power supply element 212 and the blocking plate 213 are located in the inner cavity of the mounting groove 13. The power supply element is detachably connected to the mounting base 211, and the blocking plate 213 is located on the side of the power supply element close to the opening of the mounting groove 13. The end face of the blocking plate 213 close to the power supply element 212 abuts against the power supply element 212, and the blocking plate 213 is detachably connected to the mounting base 211 by screw fixing.

[0049] Reference Figure 2 and Figure 3 The mounting device 2 also includes a mounting frame 22. In this embodiment, the mounting frame 22 is preferably a rectangular plate, and the mounting frame 22 is fixedly connected to the blocking plate 213 by screws.

[0050] Reference Figure 2 and Figure 3A contact element 221 is provided on the end surface of the mounting frame 22 away from the power supply element 212. The contact element 221 is fixedly connected to the mounting frame 22 by screws. The contact element 221 and the power supply element 212 are connected by a conductive wire, so that the detection element can supply power to the chip system 4, so that the chip can perform the corresponding detection function.

[0051] Reference Figure 2 The mounting frame 22 is provided with a rotation groove 222 at each corner. In this embodiment, the shape of the rotation groove 222 is preferably a fan-shaped groove. The mounting frame 22 is provided with a sliding groove 223 on the bottom wall of each fan-shaped groove. In this embodiment, the position of the sliding groove 223 is located at the midline of the rotation groove 222, and the cross section of the sliding groove 223 perpendicular to the long side direction is a T-shaped groove, and the inner cavity of the sliding groove 223 and the rotation groove 222 are connected.

[0052] Reference Figure 2 and Figure 4 The inner cavity of the sliding groove 223 is provided with a slider 224, and the slider 224 can slide along the length direction of the sliding groove 223. The end of the slider 224 is provided with an abutment block 2241, which is vertically arranged and fixedly connected to the slider 224 by screw fixing. The slider 224 is equipped with an elastic member 225, and the expansion and contraction direction of the elastic member 225 is parallel to the length direction of the sliding groove 223. One end of the elastic member 225 is fixedly connected to the slider 224 by screw fixing, and the other end is fixedly connected to the mounting frame 22 by screw fixing.

[0053] Reference Figure 2 , Figure 4 and Figure 5 The mounting device 2 further comprises a reset assembly 23. A transverse groove 227 is provided on the side wall of the mounting frame 22, and a vertical groove 226 is provided on the side of the transverse groove 227 away from the opening of the mounting frame 22. One end of the vertical groove 226 is communicated with the inner cavity of the transverse groove 227, and the other end is communicated with the sliding groove 223. The reset assembly 23 comprises a swing rod 231, a gear 232 and an abutment plate 233. In this embodiment, the end of the swing rod 231 is variable in length and is provided with saw teeth meshing with the gear 232. The swing rod 231 is penetrated in the transverse groove 227 and is elastically hinged with the mounting frame 22 through an elastic shaft. The gear 232 meshes with the swing rod 231. The gear 232 and the mounting frame 22 are rotatably connected by a bearing connection. The abutment plate 233 is coaxially fixedly connected with the gear 232 by screw fixing.

[0054] Reference Figure 5 A plurality of push blocks 234 are evenly distributed on the outer wall of the abutment disk 233 in the circumferential direction. In this embodiment, the number of the push blocks 234 is consistent with the number of the abutment blocks 2241 , the outer wall of the push block 234 is consistent with the tangent direction of the abutment disk 233 , and the push block 234 abuts against the abutment block 2241 .

[0055] Reference Figure 4 Each slider 224 is provided with a support assembly 24, and the support assembly 24 includes a fixed tube 241 and a movable rod 242. In this embodiment, the fixed tube 241 is preferably a rectangular rod. The fixed tube 241 is located at one end of the slider 224 away from the mounting rod, and the fixed tube 241 is rotatably connected to the slider 224 by a bearing connection, and the rotation axis of the fixed tube 241 is parallel to the opening direction of the mounting groove 13. The movable rod 242 is inserted into the inner cavity of the fixed tube 241 and can slide along the axis direction of the fixed tube 241. Each movable rod 242 is equipped with an elastic rod, and the elastic rod and the movable rod 242 are coaxially arranged, and one end of the elastic rod is fixedly connected to the movable rod 242 by screw fixing, and the other end is fixedly connected to the fixed tube 241 by screw fixing.

[0056] Reference Figure 4 and Figure 6 Each fixed tube 241 is equipped with an angle fixing assembly 25, which is installed on the bottom wall of the fixed tube 241. The side wall of the slider 224 is provided with a plurality of fixing grooves 228 in the horizontal direction. The plurality of fixing grooves 228 are arranged in an arc shape, and the symmetry axis of the arc coincides with the axis of the fixed tube 241. The angle fixing assembly 25 includes an elastic pad 251 and a positioning plate 252. The expansion and contraction direction of the elastic pad 251 is parallel to the opening direction of the fixing groove 228, and the elastic pad 251 is fixedly connected to the fixed tube 241 by screw fixing, and the positioning plate 252 is fixedly connected to the elastic pad 251 by screw fixing.

[0057] Reference Figure 4 and Figure 6 The two side walls of the positioning plate 252 parallel to the expansion and contraction direction of the elastic pad 251 are provided with guide grooves 253, and the groove depth of the guide grooves 253 gradually increases in the direction away from the elastic pad 251. The fixing groove 228 is used to accommodate the positioning plate 252.

[0058] Reference Figure 4 A support rod 26 is provided at one end of each movable rod 242 away from the fixed tube 241 , and the long side direction of the support rod 26 is parallel to the opening direction of the mounting groove 13 , and the support rod 26 is fixedly connected to the movable rod 242 by screws.

[0059] Reference Figure 4The end surface of the support rod 26 away from the movable rod 242 is provided with a guide block 27 and a positioning block 28. In this embodiment, the guide block 27 is preferably a right-angled triangle block. One right-angled side of the guide block 27 is attached to the support rod 26 and is fixedly connected to the guide block 27 by screw fixing. The other right-angled side is located on the side of the hypotenuse away from the axis direction of the installation groove 13. The positioning block 28 is located on the side wall of the support rod 26 close to the axis of the installation groove 13 and on the side of the guide block 27 close to the movable rod 242. The positioning block 28 is fixedly connected to the support rod 26 by screw fixing.

[0060] Reference Figure 4 and Figure 7 Each support rod 26 is provided with a limit plate 29, which is located at one end of the positioning block 28 close to the movable rod 242, and the limit plate 29 is elastically hinged to the support rod 26 by a torsion spring connection. An adjustment slot 291 is provided on the top wall of the limit plate 29, and the opening direction of the adjustment slot 291 is parallel to the long side direction of the support rod 26.

[0061] Reference Figure 2 , Figure 4 and Figure 7 A clamping device 3 is provided in the inner cavity of each adjusting groove 291, and the clamping device 3 includes a fixing plate 31, which is located at one end of the adjusting groove 291 away from the movable rod 242, and the fixing plate 31 is fixedly connected to the limiting plate 29 by screws.

[0062] Reference Figure 2 , Figure 4 and Figure 7 The clamping device 3 also includes a guide assembly 32, which includes a vertical rod 321, a horizontal rod 322 and a clamping block 323. In this embodiment, the vertical rod 321 is always located on the side of the fixed plate 31 close to the support rod 26, and the length direction of the vertical rod 321 is parallel to the opening direction of the adjustment slot 291. The vertical rod 321 is fixedly connected to the limit plate 29 by screw fixing. The horizontal rod 322 is perpendicular to the axial direction of the vertical rod 321, and a sliding block is provided at the end of the horizontal rod 322, and the sliding block can slide along the vertical rod 321 with damping. In this embodiment, the clamping block 323 is preferably a wedge-shaped block, and the clamping block 323 can slide along the horizontal rod 322 with damping.

[0063] Reference Figure 2 , Figure 4 and Figure 7 In this embodiment, the initial position of the guide assembly 32 is: the cross bar 322 is located at the top of the vertical bar 321, the clamping block 323 is located at the end of the cross bar 322, and the clamping block 323 does not contact the fixed plate 31.

[0064] Reference Figure 2 , Figure 4 and Figure 7The clamping device 3 also includes a mounting plate 33 and a connecting rod 34. The mounting plate 33 is located on the side of the cross bar 322 away from the fixing plate 31, and the mounting plate 33 is parallel to the fixing plate 31. The limiting plate 29 is provided with a slide groove 292, and the long side direction of the slide groove 292 is in the same direction as the opening direction of the adjustment groove 291. The inner cavity of the slide groove 292 is provided with a connecting block, which can slide elastically along the long side direction of the slide groove 292, and the connecting block is fixedly connected to the mounting plate 33. The connecting rod 34 is perpendicular to the mounting plate 33, one end of the connecting rod 34 is fixedly connected to the mounting plate 33 by screw fixing, and the other end abuts against the clamping block 323.

[0065] Reference Figure 2 , Figure 4 and Figure 7 A plurality of clamping assemblies 35 are provided on the end face array of the mounting plate 33 away from the connecting rod 34. The clamping assembly 35 includes a fixed block 351 and a flexible pad 352. One end of the fixed block 351 is fixedly connected to the mounting plate 33 by screws, and the other end is fixedly connected to the flexible pad 352 by screws.

[0066] Reference Figure 2 The chip system 4 includes a mechanical sensor 41 and a signal transmission line 42. The mechanical sensor 41 is limited by the mounting device 2. At the same time, the signal transmission line 42 includes a signal acquisition transmitter: including amplification, filtering, A / D conversion, microprocessor and other digital processing circuits, integrated wireless modules and other structures. The chip system 4 also includes a signal transmission line 42, which is used to transmit the relevant data of the chip to the data processing center.

[0067] The implementation principle of a smart bolt in an embodiment of the present application is as follows: a mechanical sensor 41 cooperates with a signal transmission line 42 to transmit the bolt force and deformation data to a signal acquisition transmitter through the signal transmission line 42. After being processed by the signal acquisition transmitter, the signal is transmitted to a wireless signal receiver via wireless. The wireless signal receiver summarizes the force and deformation data of each bolt and transmits it to a data processing center via optical fiber, which then facilitates the operator to determine the status of the bolt.

[0068] When installing the mechanical sensor 41, the operator first adjusts the angle between the fixed tube 241 and the mounting frame 22, and fixes the angle of the fixed tube 241 through the positioning plate 252. Then, the operator presses the mechanical sensor 41 to make the mechanical sensor 41 contact with the guide block 27, and makes the support rod 26 slide in the direction away from each other, so that the mechanical sensor 41 presses the limit plate 29 and is located on the side of the limit plate 29 close to the mounting frame 22, and the mechanical sensor 41 contacts the contact element 221, and the power supply element 212 supplies power to the mechanical sensor 41.

[0069] Then, the pressing block 323 is slidably engaged with the horizontal rod 322 and the vertical rod 321 to slide the mounting plate 33 toward the mechanical sensor 41 , and the flexible pad 352 is brought into contact with the surface of the mechanical sensor 41 .

[0070] When the mechanical sensor 41 needs to be removed, the operator rotates the swing rod 231 to rotate the gear 232, and makes the push block 234 abut against the slider 224, so that the slider 224 slides, driving the support rod 26 to slide in the direction away from each other, thereby releasing the limit on the mechanical sensor 41, making it easier for the operator to remove the mechanical sensor 41.

[0071] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A smart bolt, characterized in that: It comprises a bolt body (1) and a chip system (4), wherein the bolt body (1) comprises a contact portion (11) and a connecting portion (12), and the contact portion (11) and the connecting portion (12) are fixedly connected; The fixing portion is provided with a mounting groove (13), the chip system (4) is located in the mounting groove (13), the chip system (4) comprises a mechanical sensor (41) and a signal transmission line (42), the mechanical sensor (41) is installed on the connecting portion (12), the signal transmission line (42) is connected to the mechanical sensor (41), and the signal transmission line (42) is used to transmit relevant electrical signals.

2. The smart bolt according to claim 1, characterized in that: The mounting groove (13) is provided with a mounting device (2), the mounting device (2) comprising a mounting frame (22), the mounting frame (22) being provided with a sliding groove (223) at each corner, the extension lines of the sliding groove (223) converging at one point, a sliding block (224) being provided in the sliding groove (223), the sliding block (224) sliding elastically along the sliding groove (223), a fixed tube (241) and a movable rod (242) being provided at the sliding block (224), the fixed tube (241) and the sliding block (224) being rotatably connected, the movable rod (242) sliding elastically along the fixed tube (241), the top of the movable rod (242) being fixedly connected with a support rod (26), the end of the support rod (26) being provided with a guide block (27).

3. The smart bolt according to claim 2, characterized in that: The guide block (27) is preferably a right-angled triangle block, the inclined surface of the guide block (27) is located on the side where the right-angled surfaces are close to each other, and the guide block (27) and the support rod (26) are fixedly connected.

4. The smart bolt according to claim 2, characterized in that: A positioning block (28) and a limiting plate (29) are provided on the sides of the support plates that are close to each other. The positioning block (28) and the limiting plate (29) are arranged in sequence along the long side direction of the support rod (26) and in a direction away from the movable rod (242). The positioning block (28) and the support rod (26) are fixedly connected, and the limiting plate (29) and the support rod (26) are elastically hinged.

5. The smart bolt according to claim 4, characterized in that: The support plate is provided with an adjustment groove (291), and the support plate is provided with a slide groove (292) at the bottom of the adjustment groove (291), and the opening directions of the adjustment groove (291) and the slide groove (292) are consistent; A clamping device (3) is provided in the adjusting groove (291), and the clamping device (3) comprises a fixing plate (31), a guide assembly (32) and a mounting plate (33), and the fixing plate (31) and the limiting plate (29) are fixedly connected; the guide assembly (32) comprises a vertical rod (321), a horizontal rod (322) and a clamping block (323), and the vertical rod (321) and the limiting plate (29) are fixedly connected, and the horizontal rod (322) slides along the vertical rod (321), and the clamping block (323) abuts against the fixing plate (31) and slides along the horizontal rod (322); The mounting plate (33) slides along the sliding groove (292), and the mounting plate (33) abuts against the pressing block (323).

6. The smart bolt according to claim 5, characterized in that: A clamping assembly (35) is provided on the end surface of the mounting plate (33) away from the clamping block (323), and the clamping assembly (35) comprises a fixed block (351) and a flexible pad (352), one end of the fixed block (351) is fixedly connected to the mounting plate (33), and the other end is fixedly connected to the flexible pad (352).

7. The smart bolt according to claim 2, characterized in that: The slider (224) is provided with a plurality of fixing grooves (228), the plurality of fixing grooves (228) are arranged in an arc shape, the fixing tube (241) is provided with an elastic pad (251) and a positioning plate (252), the fixing groove (228) is used to accommodate the positioning plate (252), and the positioning plate (252) and the fixing tube (241) are elastically connected via the elastic pad (251) and the fixing tube (241).

8. The smart bolt according to claim 7, characterized in that: Guide grooves (253) are provided on both sides of the positioning plate (252), and the groove width of the guide grooves (253) gradually increases in a direction away from the elastic pad (251).

9. The smart bolt according to claim 2, characterized in that: The mounting device (2) further comprises a reset assembly (23), wherein the reset assembly (23) comprises a mounting plate, wherein the mounting plate is rotatably connected to the mounting frame (22), and push blocks (234) are evenly distributed on the side walls of the mounting plate, and the push blocks (234) abut against the slider (224).

10. The smart bolt according to claim 9, characterized in that: The reset assembly (23) further comprises a swing rod (231) and a gear (232); the swing rod (231) and the mounting frame (22) are rotatably connected; the gear (232) and the end structure of the swing rod (231) are meshed; and the mounting plate and the gear (232) are coaxially fixedly connected.

Images