A detection mechanism and a ground cable detection device

Abstract

The present application relates to the technical field of grounding wire, and particularly relates to a detection mechanism and a grounding cable detection device, which comprises a grounding part including a bolt and a grounding wire; a driving rotating part in contact with the lower part of the bolt and rotating in a first direction or a second direction under stress when the bolt is tightened; a color development linkage part provided on the driving rotating part, having a color development area and being connected with the driving rotating part through a first one-way linkage part, wherein the first one-way linkage part drives the color development linkage part to rotate when the driving rotating part rotates in the second direction. The present application realizes the selective motion transmission between the driving rotating part and the color development linkage part through the first one-way linkage part, prevents the color development linkage part from moving when the driving rotating part rotates clockwise in the first direction, and effectively drives the color development linkage part to rotate synchronously when the driving rotating part rotates counterclockwise in the second direction, so that the color development area is aligned with the observation area of the shell part, and the loosening state of the bolt is accurately displayed.

Description

Technical Field

[0001] This invention relates to the field of grounding wire technology, and in particular to a testing mechanism and a grounding cable testing device. Background Technology

[0002] In equipment cabinets for communications, power, and industrial control, grounding systems are used to ensure the electrical safety of equipment operation and the safety of personnel. Typically, grounding wires are connected to the grounding point of the cabinet via bolts to achieve electrical continuity and mechanical fixation. In existing technologies, to improve grounding reliability, each grounding wire is often connected individually with a bolt to avoid the risk of poor contact caused by multiple grounding wires sharing the same fixing point.

[0003] However, even with the "one bolt, one grounding wire" approach, certain problems still exist. Under vibration or impact conditions, such as during the operation of vehicles, cabinets, power facilities, or industrial machinery, the bolts may gradually loosen due to long-term stress. Maintenance personnel may find it difficult to detect loose bolts or grounding failures in a timely manner during routine maintenance, which could lead to equipment operation risks. Summary of the Invention

[0004] Therefore, the technical problem to be solved by the present invention is that bolts may still gradually loosen due to long-term stress in vibration or shock environments, such as during the operation of vehicles, cabinets, power facilities or industrial machinery.

[0005] The above-mentioned technical problems are solved by the following technical solution: The present invention proposes a detection mechanism, which includes a grounding component, including a bolt and a grounding wire;

[0006] The drive rotating part contacts the bottom of the bolt and rotates in a first or second direction by being subjected to force when the bolt is tightened.

[0007] A color-developing linkage unit is disposed on the drive rotation unit, has a color-developing area, and is connected to the drive rotation unit through a first one-way linkage member. When the drive rotation unit rotates in the second direction, the first one-way linkage member causes the color-developing linkage unit to rotate.

[0008] The outer shell is equipped with the drive rotation unit and the color display linkage unit inside the outer shell. The surface is provided with an observation area. The initial position of the color display area is misaligned with the observation area. When the color display linkage unit rotates along the second direction, the color display area aligns with the observation area to display the state change.

[0009] In a preferred embodiment of the detection mechanism of the present invention: the driving rotation part includes a trigger component located below the bolt. When the bolt is tightened clockwise, it presses down on the trigger component and drives the trigger component to rotate clockwise through friction.

[0010] In a preferred embodiment of the detection mechanism of the present invention, a turntable is further included, which is fixedly connected to the bottom of the touch component and is rotatably mounted on the outer shell.

[0011] In a preferred embodiment of the detection mechanism described in this invention, a sealing disc is further included, which is disposed above the color development linkage part and rotatably connected to the outer shell part.

[0012] In a preferred embodiment of the detection mechanism of the present invention: a second one-way linkage is provided between the sealing disc and the color development linkage part. The second one-way linkage part keeps the sealing disc stationary when the color development linkage part rotates counterclockwise, and drives the sealing disc to rotate clockwise when the color development linkage part rotates clockwise.

[0013] In a preferred embodiment of the detection mechanism of the present invention: a cleaning layer is fixed on the outer shell, and the cleaning layer is located in the friction area between the sealing disc and the outer shell.

[0014] To solve the above-mentioned technical problems, the present invention also provides the following technical solution: a grounding cable detection device, comprising a detection mechanism, and a triggering component, comprising a first component and a second component, the first component and the second component being movably connected relative to each other; an adsorption layer disposed on the top of the first component; a negative pressure generating unit disposed inside the first component and linked with the second component, the negative pressure generating unit generating negative pressure through the relative movement of the first component and the second component; and a reset component cooperating with the first component and the second component to drive the first component back to its initial position.

[0015] In a preferred embodiment of the grounding cable detection device of the present invention: the negative pressure generating unit includes a piston cylinder, which is fixedly disposed inside the first component, a piston block is slidably connected inside the piston cylinder, a piston rod is fixedly connected to the bottom of the piston block, the piston rod moves through the piston cylinder and is fixedly connected to the second component, and an air bladder is fixedly disposed at the bottom of the piston cylinder; an air hole is disposed between the piston cylinder and the adsorption layer, and the air hole communicates between the piston cylinder and the adsorption layer.

[0016] In a preferred embodiment of the grounding cable detection device of the present invention, a mortgage shell is further included, which is rotatably connected to the outer shell. The mortgage shell is provided with a mortgage groove, which is used to accommodate the first component to slide along the axial direction.

[0017] In a preferred embodiment of the grounding cable detection device of the present invention: the reset element is a compression spring, one end of which abuts against the first component and the other end against the second component. The compression spring is compressed when the first component slides down, and when released, it drives the first component to reset axially upward.

[0018] The beneficial effects of this invention are as follows: the selective motion transmission between the drive rotating part and the color-developing linkage part is realized through the first unidirectional linkage component. When the drive rotating part rotates clockwise in the first direction, it prevents the movement of the color-developing linkage part. When it rotates counterclockwise in the second direction, it effectively drives the color-developing linkage part to rotate synchronously, thereby aligning the color-developing area with the observation area of ​​the outer shell, accurately displaying the looseness of the bolts. The selective drive avoids malfunctions during the tightening process and significantly improves the accuracy and reliability of the detection.

[0019] Through the coordinated action of the piston cylinder, piston block, piston rod, and air vents, negative pressure is generated during the relative movement of the first and second components, enhancing the adhesion between the adsorption layer and the bottom of the bolt. The negative pressure generating unit, through dynamic air pressure adjustment, enables the first component to closely follow the rotation and axial movement of the bolt, thereby achieving accurate detection of bolt loosening.

[0020] By rotating the connecting housing and covering the color-developing area, dust or impurities are effectively prevented from accumulating, maintaining the visibility of the color-developing area. When the second unidirectional linkage rotates clockwise, it drives the sealing disc to rub against the housing, triggering a self-cleaning function to remove surface deposits and ensure the clarity of the observation area. Attached Figure Description

[0021] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings of the embodiments of the present invention will be briefly described below. Obviously, the drawings described below only relate to some embodiments of the present invention and are not intended to limit the present invention. Wherein:

[0022] Figure 1 A schematic diagram of the testing facility is shown.

[0023] Figure 2 A perspective view of the drive rotating part of the detection mechanism is shown;

[0024] Figure 3 A partially enlarged view of the first unidirectional linkage component of the testing mechanism is shown;

[0025] Figure 4 A three-dimensional cross-sectional view of the color development linkage unit of the testing mechanism is shown;

[0026] Figure 5 The front view of the color-developing linkage unit of the testing mechanism is shown;

[0027] Figure 6 A three-dimensional schematic diagram of the grounding cable detection device is shown;

[0028] Figure 7 An exploded perspective view of the trigger component of the grounding cable detection device is shown. Detailed Implementation

[0029] To enable those skilled in the art to better understand the present invention, the present invention will be further described in detail below with reference to specific embodiments and accompanying drawings.

[0030] The terminology used in this invention is that which is currently widely used in the art in consideration of the function of the invention; however, these terms may vary according to the intent of those skilled in the art, precedent, or new technology in the art. Furthermore, specific terms may be chosen by the applicant, and in such cases, their detailed meanings will be described in the detailed description of the invention. Therefore, the terms used in this specification should not be construed as simple names, but rather based on their meanings and the overall description of the invention.

[0031] Reference Figure 1-5 This embodiment provides a detection mechanism, including a grounding component 1, comprising a bolt 11 and a grounding wire 12, wherein the bolt 11 is used to fix the grounding wire 12 to the grounding component 1; a driving rotation part 2, which contacts the lower part of the bolt 11, and rotates in a first direction or a second direction when the bolt 11 is tightened; a color-developing linkage part 3, which is disposed on the driving rotation part 2, has a color-developing area 31, and is connected to the driving rotation part 2 through a first one-way linkage part 32, wherein the first one-way linkage part 32 causes the driving rotation part 2 to rotate in the first direction without driving the color-developing linkage part 3, but to drive the color-developing linkage part 3 to rotate in the second direction; and a housing part 4, which at least partially covers the driving rotation part 2 and the color-developing linkage part 3, and has an observation area 41 on its surface, wherein the initial position of the color-developing area 31 is misaligned with the observation area 41, and the color-developing area 31 aligns with the observation area 41 when the color-developing linkage part 3 rotates in the second direction to display the state change. When bolt 11 is tightened, the drive rotating part 2 is forced to rotate in the first direction, and the one-way linkage prevents the movement of the color-developing linkage part 3. When bolt 11 is loosened, the drive rotating part 2 rotates in the second direction, and the one-way linkage drives the color-developing linkage part 3 to rotate in the second direction, aligning the color-developing area 31 with the observation area 41, displaying the status change to indicate the loosening state. This device achieves loosening detection through mechanical linkage, has a simple structure, provides an intuitive response, and improves the reliability of the grounding wire 12 connection.

[0032] In this embodiment, bolt 11 is a standard fastener used to firmly fix the grounding wire 12 to the main body of the grounding component 1; the grounding wire 12 is a conductive component to ensure electrical connection.

[0033] Bolt 11 is tightened or loosened by rotation. The rotation direction is either clockwise (first direction, tightening) or counterclockwise (second direction, loosening).

[0034] Bolt 11 serves as a fixing element, directly contacting the grounding wire 12 and the downstream drive rotating part 2 to transmit rotational force and drive the subsequent mechanism to operate.

[0035] The drive rotating part 2 is a rotating mechanical component that is in direct contact with the lower end of the bolt 11 to ensure efficient force transmission.

[0036] When bolt 11 rotates, the drive rotating part 2 is driven by bolt 11 to rotate clockwise (first direction) or counterclockwise (second direction).

[0037] The drive rotation unit 2 acts as a force transmission medium, transmitting the rotational motion of the bolt 11 to the color-developing linkage unit 3. It cooperates with the first unidirectional linkage 32 to achieve direction-selective drive.

[0038] The color-developing linkage part 3 is a rotatable component, which is disposed on the drive rotation part 2, and has a color-developing area 31 on its surface (e.g., a red or fluorescent coating for status indication).

[0039] The first one-way linkage 32 is connected to the drive rotating part 2. It is only driven when the drive rotating part 2 rotates in the second direction (counterclockwise) and rotates in the same direction; it is not driven when rotating in the first direction (clockwise) and remains stationary.

[0040] The color display linkage unit 3 realizes the status display through the displacement of the color display area 31, cooperates with the first one-way linkage 32 to realize one-way motion control, and cooperates with the observation area 41 of the outer shell 4 to complete the status visualization.

[0041] The color-producing area 31 can be coated with different colors or reflective materials.

[0042] The first one-way linkage 32 is a mechanical limiting or clutch structure, such as a one-way ratchet or a one-way bearing, and is installed between the drive rotation part 2 and the color display linkage part 3.

[0043] When the drive rotating part 2 rotates in the first direction, the first one-way linkage 32 prevents the color developing linkage part 3 from moving; when it rotates in the second direction, the first one-way linkage 32 allows force transmission, driving the color developing linkage part 3 to rotate synchronously.

[0044] The first one-way linkage 32 ensures that the color-developing linkage 3 only operates when the bolt 11 is loose (second direction), preventing accidental operation during tightening.

[0045] The outer shell 4 is a fixed component that at least partially or completely covers or encloses the drive rotation part 2 and the color display linkage part 3, and has an observation area 41 (e.g., a transparent opening) on ​​its surface.

[0046] Furthermore, a torsion spring is connected to the bottom of the color development linkage part 3, which allows the color development linkage part 3 to automatically reset when no external force is applied, making it convenient for the next use.

[0047] The color-developing area 31 is initially misaligned with the observation area 41, but can be gradually revealed after rotation.

[0048] The outer casing 4 provides protection and positioning, and the observation area 41 cooperates with the color display area 31 of the color display linkage unit 3 to display the loose state of the bolt 11 through position alignment.

[0049] When bolt 11 is tightened (rotated clockwise), the drive rotating part 2 rotates in the first direction, and the first one-way linkage 32 prevents the color-developing linkage 3 from moving. The color-developing area 31 remains misaligned with the observation area 41, and the state remains unchanged. When bolt 11 is loosened (rotated counterclockwise), the drive rotating part 2 rotates in the second direction. The first one-way linkage 32 drives the color-developing linkage 3 to rotate synchronously, so that the color-developing area 31 and the observation area 41 of the outer casing 4 are exposed, indicating a loose state.

[0050] refer to Figure 1-2 In one embodiment provided in this application, the drive rotation part 2 includes a trigger component 21 located below the bolt 11. When the bolt 11 is tightened clockwise, it presses down on the trigger component 21 and drives the trigger component 21 to rotate clockwise through friction. A turntable 22 is fixedly connected to the bottom of the trigger component 21 and is rotatably mounted on the outer shell part 4.

[0051] In this embodiment, the trigger component 21 is a mechanical force-bearing component, located directly below the bolt 11, and in direct contact with the bottom of the bolt 11.

[0052] When bolt 11 rotates clockwise (first direction, tightening), bolt 11 presses down on actuating component 21, and at the same time, the friction force drives actuating component 21 to rotate clockwise; when bolt 11 rotates counterclockwise (second direction, loosening), actuating component 21 rotates in the opposite direction with bolt 11.

[0053] The actuating component 21 acts as a force transmission intermediary between the bolt 11 and the turntable 22, receiving the rotation and downward pressure of the bolt 11, forming frictional contact with the bottom of the bolt 11, and ensuring that the rotational motion is transmitted to the turntable 22.

[0054] The actuating component 21 may be made of a rubber pad with a high coefficient of friction or a rough metal surface to enhance friction; its shape may be circular or polygonal to fit the bottom of the bolt 11.

[0055] The turntable 22 is a circular or disc-shaped rotating component that is connected to the bottom of the actuating component 21 by a fixed connection (such as screws, welding or integral molding), is mounted on the housing part 4 and can rotate relative to the housing part 4.

[0056] The turntable 22 rotates synchronously with the trigger component 21. When the bolt 11 rotates clockwise, the turntable 22 rotates in the first direction, and when it rotates counterclockwise, the turntable 22 rotates in the second direction.

[0057] The turntable 22, as the output component of the drive rotation unit 2, transmits the rotational motion of the trigger component 21 to the downstream first one-way linkage 32 and the color development linkage unit 3; its rotational mounting design with the housing 4 ensures smooth movement and provides a stable drive platform for the color development linkage unit 3.

[0058] The rotating drive unit 2 transmits rotational force through the coordinated action of the trigger assembly 21 and the turntable 22. When the bolt 11 is tightened clockwise, the bolt 11 presses down on the trigger assembly 21 and drives it to rotate clockwise through friction. The turntable 22 then rotates in the first direction, but is not driven by the first one-way linkage 32. When the bolt 11 is loosened counterclockwise, the trigger assembly 21 and the turntable 22 rotate in the second direction, driving the color-developing linkage 3 to rotate through the first one-way linkage 32, so that the color-developing area 31 is aligned with the observation area 41 of the outer casing 4, indicating the loose state of the bolt 11.

[0059] refer to Figure 4 As an optional embodiment, a sealing disk 23 is also included. The sealing disk 23 is disposed above the color development linkage part 3 and rotatably connected to the outer casing part 4. The sealing disk 23 covers the color development area 31 to prevent dust accumulation and maintain clear observation of the color development area 31. The sealing disk 23 prevents dust from entering the color development area 31 through rotatable connection, ensuring clear color display when the color development area 31 is aligned with the observation area 41, thereby improving the accuracy and long-term stability of the detection.

[0060] In this embodiment, the sealing disc 23 is a flat, round or similarly shaped cover component that covers the color-developing area 31 of the color-developing linkage part 3. It is made of transparent or partially transparent materials such as transparent plastic or glass to maintain the visibility of the color-developing area 31.

[0061] The sealing disc 23 is connected to the housing 4 via a rotatable connection (e.g., bearing, pivot, or sliding groove) and can rotate relative to the housing 4, but usually remains stationary and is rotated only when necessary (e.g., for maintenance or adjustment).

[0062] The sealing disc 23 covers the color development area 31 of the color development linkage part 3 to prevent the accumulation of external dust or impurities. Together with the outer casing part 4, it forms a closed or semi-closed space to protect the surface of the color development area 31 and keep it clean. It works in cooperation with the observation area 41 of the outer casing part 4 to ensure that the color development area 31 is clearly visible when aligned.

[0063] The sealing plate 23 is located above the color development linkage unit 3, directly covering the color development area 31, protecting its surface from the influence of the external environment, and ensuring that the color of the color development area 31 is clearly displayed when rotated to be aligned with the observation area 41.

[0064] The sealing disc 23 is fixed to the outer casing 4 by a rotatable connection. The outer casing 4 provides a stable mounting base and positioning reference. Its observation area 41 matches the transparent part or opening of the sealing disc 23 to ensure the visibility of the color display area 31.

[0065] The sealing disc 23, through a rotatable connection with the outer casing 4, covers the color-developing area 31 of the color-developing linkage 3, forming a protective barrier to prevent dust, impurities, or other environmental factors from accumulating on the surface of the color-developing area 31. When the bolt 11 loosens, the drive rotating part 2, via the first one-way linkage 32, drives the color-developing linkage 3 to rotate counterclockwise in the second direction, aligning the color-developing area 31 with the observation area 41 of the outer casing 4. The transparent design of the sealing disc 23, in conjunction with the observation area 41, ensures that the color change of the color-developing area 31 is clearly visible, thereby accurately displaying the loosening state of the bolt 11. The sealing disc 23 remains stationary throughout the process and can be adjusted or maintained via the rotatable connection if necessary.

[0066] refer to Figure 4-5 As an optional embodiment, a second one-way linkage 24 is provided between the sealing disc 23 and the color-developing linkage 3. This second one-way linkage 24 keeps the sealing disc 23 stationary when the color-developing linkage 3 rotates counterclockwise, and drives the sealing disc 23 to rotate clockwise when the color-developing linkage 3 rotates clockwise. The sealing disc 23 rubs against the outer casing 4 to clean surface dust. The second one-way linkage 24 causes the sealing disc 23 to rub against the outer casing 4 when the color-developing linkage 3 rotates clockwise, achieving a self-cleaning function, reducing dust interference with the observation effect, and extending the service life of the device.

[0067] In this embodiment, the second one-way linkage component 24 is a mechanical limiting or clutch structure, installed between the sealing disc 23 and the color-developing linkage part 3, and is used to control the motion transmission between the two.

[0068] The second one-way linkage 24 can be a mechanical component such as a one-way ratchet, a one-way bearing, or a friction clutch, which realizes one-way force transmission through toothed meshing (such as a ratchet), ball limiting (such as a one-way bearing), or frictional contact.

[0069] This component ensures that the movement of the color-developing linkage 3 is selectively transmitted to the sealing disc 23, driving the sealing disc 23 to move only in a specific direction (clockwise) and keeping the sealing disc 23 stationary in the other direction (counterclockwise).

[0070] The second one-way linkage 24 is located between the color-developing linkage 3 and the sealing disk 23, forming a motion chain with the drive rotation part 2, the color-developing linkage 3 and the outer casing part 4. It receives the rotation input from the color-developing linkage 3 and decides whether to transmit the motion to the sealing disk 23.

[0071] The color-developing linkage part 3 is a rotatable component with a color-developing area 31 on its surface, and is connected to the drive rotation part 2 through the first one-way linkage part 32.

[0072] The color-developing linkage unit 3 is driven to rotate counterclockwise in sync with the rotating unit 2 when the rotating unit 2 rotates in the second direction (counterclockwise); it remains stationary when the rotating unit 2 rotates in the first direction (clockwise).

[0073] When the color-developing linkage 3 rotates clockwise, the rotational force is transmitted to the sealing disk 23 through the second one-way linkage 24, driving the sealing disk 23 to rotate clockwise; when the color-developing linkage 3 rotates counterclockwise, the second one-way linkage 24 prevents the force transmission, and the sealing disk 23 remains stationary.

[0074] When the sealing disc 23 rotates clockwise, it rubs against the contact surface of the outer casing 4.

[0075] The sealing disc 23 protects the color development area 31 from dust or impurities, while the friction during clockwise rotation removes surface deposits and maintains the clarity of the observation area 41.

[0076] refer to Figure 4-5 As an optional embodiment, a cleaning layer is fixed on the outer casing 4. The cleaning layer is located in the friction area between the sealing disc 23 and the outer casing 4 to enhance the dust removal effect. The cleaning layer enhances the dust removal effect through friction with the sealing disc 23, ensuring the surface of the sealing disc 23 is clean and further improving the visibility of the color development area 31 within the observation area 41.

[0077] In this embodiment, the cleaning layer is fixed on the outer shell 4 and located in the friction contact area between the sealing disc 23 and the outer shell 4, in order to enhance the friction effect when rotating with the sealing disc 23.

[0078] The cleaning layer can be a flexible or semi-rigid material, such as felt, fiber cloth, soft rubber layer or coating with micro-texturation, and is fixed to the inner surface of the outer shell 4, and is combined with the outer shell 4 by means of bonding, embedding or mechanical fixation.

[0079] The cleaning layer increases the friction with the sealing disc 23 through its material properties or surface texture, which facilitates the removal of surface deposits when the sealing disc 23 rotates.

[0080] The cleaning layer is located in the contact area between the outer casing 4 and the sealing disc 23. It works in conjunction with the clockwise rotation of the sealing disc 23 to enhance the surface cleaning effect through friction, while maintaining the clarity of the observation area 41 of the outer casing 4.

[0081] Reference Figure 6-7This embodiment provides a grounding cable detection device, including a trigger assembly 21 comprising a first component 211 and a second component 212. The first component 211 and the second component 212 are movably connected relative to each other, and the first component 211 can move relative to the second component 212 in a specific direction. An adsorption layer 5 is disposed on the first component 211 and is used to form a releasable connection with the surface of the bolt 11. A negative pressure generating unit 6 is disposed inside the first component 211 and is linked with the second component 212. The negative pressure generating unit 6 generates negative pressure through the relative movement of the first component 211 and the second component 212, so that the adsorption layer 5 forms a tight fit with the surface of the bolt 11. A reset component 7 cooperates with the first component 211 and the second component 212 to drive the first component 211 to return to its initial position. When the bolt 11 becomes loose, the first component 211 moves synchronously with the bolt 11 through the fit between the adsorption layer 5 and the bolt 11, thereby realizing the detection of the loosening of the bolt 11.

[0082] In this embodiment, the trigger component 21 is composed of a first component 211 and a second component 212, which are connected by a relatively movable connection and are located below the bolt 11, serving as the force-bearing component for driving the rotating part 2.

[0083] First component 211: is a movable mechanical component, which may be a rod and directly contacts the bottom of bolt 11.

[0084] The second component 212 is connected to the first component 211 via a sliding groove, supporting the relative movement of the first component 211.

[0085] The first component 211 can move relative to the second component 212 in a specific direction, and rotate synchronously with the rotational movement of the bolt 11 (clockwise or counterclockwise).

[0086] The trigger component 21 receives the rotation and downward pressure of the bolt 11 through the first component 211, and triggers the action of the mechanism (such as the negative pressure generating unit 6) through the relative movement of the first component 211 and the second component 212.

[0087] The first component 211 is releasablely connected to the bolt 11 via the adsorption layer 5, and the second component 212 is fixedly connected to the turntable 22, transmitting the motion of the first component 211 to the drive rotation part 2.

[0088] The adsorption layer 5 is disposed on the first component 211 and is used to form a releasable connection with the bottom surface of the bolt 11.

[0089] The adsorption layer 5 can be a suction cup, magnetic adsorption component, or adhesive pad, such as a rubber suction cup, electromagnet, or high-friction adhesive coating, which is directly fixed to the top surface of the first component 211 and contacts the bottom of the bolt 11.

[0090] The adsorption layer 5 moves with the movement of the first component 211. When the bolt 11 rotates or loosens, the adsorption force causes the first component 211 to closely follow the movement of the bolt 11 (including rotation and possible axial displacement).

[0091] The adsorption layer 5 ensures a tight fit between the first component 211 and the bolt 11, enabling synchronous transmission of motion.

[0092] The adsorption layer 5 is in direct contact with the bottom of the bolt 11. Through the cooperation of the first component 211 and the negative pressure generating unit 6, the adhesion effect is enhanced. Its movement is ultimately transmitted to the turntable 22 and the color display linkage part 3 through the touch component 21.

[0093] The negative pressure generating unit 6 is located inside the first component 211 and is linked with the second component 212. It is used to generate negative pressure to enhance the adhesion effect of the adsorption layer 5.

[0094] The reset component 7 cooperates with the first component 211 and the second component 212 to drive the first component 211 back to its initial position.

[0095] refer to Figure 7 As an optional embodiment, the negative pressure generating unit 6 includes a piston cylinder 61, fixedly disposed inside the first component 211, a piston block 62 slidably connected inside the piston cylinder 61, a piston rod 63 fixedly connected to the bottom of the piston block 62, the piston rod 63 movably passing through the piston cylinder 61 and fixedly connected to the second component 212, when the first component 211 is subjected to force and slides down, the piston block 62 slides up inside the piston cylinder 61; and an air hole 65 disposed between the piston cylinder 61 and the adsorption layer 5, the air hole 65 connecting the piston cylinder 61 and the adsorption layer 5, when the piston block 62 slides up, drawing gas from the adsorption layer 5, so that a negative pressure state is formed at the contact point between the adsorption layer 5 and the bolt 11, so as to achieve a tight fit between the first component 211 and the bolt 11.

[0096] In this embodiment, the negative pressure generating unit 6 is disposed inside the first component 211 and cooperates with the second component 212 and the adsorption layer 5 to generate negative pressure through the relative motion between the first component 211 and the second component 212.

[0097] The negative pressure generating unit 6 includes a piston cylinder 61, a piston block 62, a piston rod 63, and an air hole 65.

[0098] Piston cylinder 61: A cylindrical cavity structure fixed inside the first component 211, which may be made of metal or high-strength plastic, and has smooth inner walls to support sliding motion.

[0099] Piston block 62: A sealing block that slides within piston cylinder 61. It can be a circular piston disc with a sealing ring (such as a rubber or silicone ring) on ​​its surface to ensure airtightness.

[0100] Piston rod 63: It is a slender rod-shaped structure, which can be made of metal or hard plastic. One end is fixedly connected to piston block 62, and the other end passes through the bottom of piston cylinder 61 and is fixedly connected to the second component 212.

[0101] Vent 65: It is a channel connecting the piston cylinder 61 and the adsorption layer 5. It can be a single pipe or a porous structure and is set on the side wall of the piston cylinder 61.

[0102] The negative pressure generating unit 6 changes the internal air pressure through the sliding motion of the piston block 62 in the piston cylinder 61, and transmits the negative pressure to the adsorption layer 5 through the air hole 65.

[0103] The negative pressure generating unit 6 is embedded in the first component 211 and connected to the second component 212 through the piston rod 63. It is driven by the relative movement of the first component 211 and the second component 212. It communicates with the adsorption layer 5 through the air hole 65, affecting the adhesion effect between the adsorption layer 5 and the bolt 11.

[0104] The piston cylinder 61 is fixed inside the first component 211 and moves (axially displaces) with the first component 211 as a whole.

[0105] The piston block 62 slides axially within the piston cylinder 61. When the first component 211 is pressed down or moved by the bolt 11, the piston block 62 slides upward relative to the piston cylinder 61.

[0106] One end of the piston rod 63 is fixed to the piston block 62, and the other end is fixed to the second component 212, passing through the bottom of the piston cylinder 61. When the first component 211 slides down relative to the second component 212, the piston rod 63 remains fixedly connected to the second component 212, driving the piston block 62 to slide upward inside the piston cylinder 61.

[0107] The piston cylinder 61 provides a sliding space, and the piston block 62 and piston rod 63 change the air pressure inside the piston cylinder 61 through relative movement, forming a negative pressure environment.

[0108] The piston cylinder 61 moves as a unit with the first component 211, and the piston rod 63 is connected to the second component 212, together responding to the movement of the bolt 11; the sliding of the piston block 62 affects the gas pressure state of the adsorption layer 5 through the air hole 65.

[0109] The vent 65 serves as a fixed channel. When the piston block 62 slides upward, it draws out the gas in the piston cylinder 61 and transmits the negative pressure to the interior of the adsorption layer 5 through the vent 65.

[0110] The vent 65 enables gas communication between the piston cylinder 61 and the adsorption layer 5, ensuring that the negative pressure is effectively transmitted to the adsorption layer 5.

[0111] The adsorption layer 5 (such as a suction cup) receives the negative pressure from the negative pressure generating unit 6 through the air hole 65, which enhances the adhesion to the bottom of the bolt 11 and ensures that the first component 211 moves synchronously with the bolt 11 and rotates counterclockwise.

[0112] The reset element 7 (such as a spring or magnetic device) drives the first component 211 to return to its initial position, indirectly affecting the position of the piston block 62 in the piston cylinder 61, in preparation for the next generation of negative pressure.

[0113] The piston cylinder 61 has an air bladder 64 fixed at its bottom. When the piston block 62 slides upward, it pushes the gas in the upper part into the air bladder 64, thereby avoiding excessive pressure that could interfere with the movement of the piston block 62.

[0114] refer to Figure 6 As an optional embodiment, it further includes a mortgage shell 8, which is rotatably connected to the outer shell 4. The mortgage shell 8 has a mortgage groove, which is used to accommodate the first component 211 to slide axially. The mortgage shell 8 is adapted to the movement of the first component 211 by rotatability, and the mortgage groove limits the sliding range of the first component 211 to improve the stability of detection.

[0115] In this embodiment, the collateral shell 8 is connected to the outer shell 4 by rotation to adapt to the movement trajectory of the first component 211. The collateral groove provides sliding space for the first component 211 and limits its sliding range, thereby ensuring the stable movement of the first component 211 during the detection process and improving the accuracy and reliability of bolt 11 loosening detection.

[0116] refer to Figure 7 As an optional embodiment, the reset member 7 is a compression spring. One end of the compression spring abuts against the first component 211, and the other end abuts against the second component 212. The compression spring is compressed when the first component 211 slides down, and drives the first component 211 to reset axially upward when released.

[0117] In this embodiment, when the first component 211 is subjected to force and slides down, the compression spring is compressed and stores elastic potential energy; when the external force is released, the compression spring releases the elastic potential energy and drives the first component 211 to reset upward along the axial direction, ensuring that the trigger component 21 returns to its initial state and is ready for the next detection.

[0118] Finally, it should be noted that the methods and devices described in detail above are merely embodiments, and those skilled in the art can modify these embodiments in different ways as long as they do not depart from the scope of the present invention.

Claims

1. A testing institution, characterized in that: include, The grounding component (1) includes a bolt (11) and a grounding wire (12); The drive rotating part (2) contacts the bottom of the bolt (11) and rotates in the first or second direction when the bolt (11) is tightened; The color-developing linkage unit (3) is disposed on the drive rotation unit (2), has a color-developing area (31), and is connected to the drive rotation unit (2) through a first one-way linkage member (32). When the drive rotation unit (2) rotates in the second direction, the first one-way linkage member (32) drives the color-developing linkage unit (3) to rotate. The outer shell (4) is provided inside the drive rotation part (2) and the color display linkage part (3). The surface is provided with an observation area (41). The initial position of the color display area (31) is misaligned with the observation area (41). When the color display linkage part (3) rotates along the second direction, the color display area (31) aligns with the observation area (41) to display the state change. The drive rotation unit (2) includes an actuation component (21) located below the bolt (11). When the bolt (11) is tightened clockwise, it presses down on the actuation component (21) and drives the actuation component (21) to rotate clockwise through friction. It also includes a turntable (22) fixedly connected to the bottom of the actuation component (21) and rotatably mounted on the outer shell (4). It also includes a sealing disc (23) located above the color-developing linkage unit (3) and rotatably connected to the outer shell (4). A second one-way linkage (24) is provided between the sealing disc (23) and the color-developing linkage part (3). The second one-way linkage (24) keeps the sealing disc (23) stationary when the color-developing linkage part (3) rotates counterclockwise, and drives the sealing disc (23) to rotate when the color-developing linkage part (3) rotates clockwise.

2. The testing mechanism according to claim 1, characterized in that: A cleaning layer is fixed on the outer shell (4), and the cleaning layer is located in the friction area between the sealing disc (23) and the outer shell (4).

3. A grounding cable detection device, characterized in that: Including a testing mechanism as described in any one of claims 1 to 2, and, The trigger component (21) includes a first component (211) and a second component (212), wherein the first component (211) and the second component (212) are movably connected relative to each other; An adsorption layer (5) is disposed on the top of the first component (211); The negative pressure generating unit (6) is disposed inside the first component (211) and is linked with the second component (212). The negative pressure generating unit (6) generates negative pressure through the relative movement of the first component (211) and the second component (212). The reset element (7) cooperates with the first component (211) and the second component (212) to drive the first component (211) back to its initial position.

4. The grounding cable detection device according to claim 3, characterized in that: The negative pressure generating unit (6) includes, A piston cylinder (61) is fixedly disposed inside the first component (211). A piston block (62) is slidably connected inside the piston cylinder (61). A piston rod (63) is fixedly connected to the bottom of the piston block (62). The piston rod (63) moves through the piston cylinder (61) and is fixedly connected to the second component (212). An air bladder (64) is fixed to the bottom of the piston cylinder (61). A vent (65) is provided between the piston cylinder (61) and the adsorption layer (5), and the vent (65) connects the piston cylinder (61) and the adsorption layer (5).

5. The grounding cable detection device according to claim 4, characterized in that: It also includes, The mortgage shell (8) is rotatably connected to the outer shell (4). The mortgage shell (8) has a mortgage groove, which is used to accommodate the first component (211) to slide along the axial direction.

6. The grounding cable detection device according to any one of claims 3 to 5, characterized in that: The reset component (7) is a compression spring. One end of the compression spring abuts against the first component (211) and the other end abuts against the second component (212). The compression spring is compressed when the first component (211) slides down and drives the first component (211) to reset axially when released.

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