A multi-directional intelligent sensing-based noise reduction material performance detection device
By designing a multi-directional intelligent sensing noise reduction material performance testing device, which utilizes a drive component and an intelligent sensor component to rotate and test the noise reduction material, the problem of inaccurate testing in existing technologies is solved, and efficient and stable noise reduction material performance testing is achieved.
Patent Information
- Application Number
- CN202511270486.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-08
- Publication Date
- 2025-11-04
- Estimated Expiration
- 2045-09-08
AI Technical Summary
Existing noise sensors cannot perform assembly and accurate testing when testing the performance of different types of noise reduction materials, and the testing conditions are not ideal.
A noise reduction material performance testing device based on multi-directional intelligent sensing was designed, including a testing chamber component and an intelligent sensor component. The intelligent sensor component is rotated by a drive component, and a buzzer is used to emit a sound of the same decibel intensity. The intelligent sensor component detects the filtered sound. Combined with a servo motor and an electric push rod, the stable assembly and testing of the noise reduction material is realized.
It enables precise testing of noise reduction materials of different materials, improves testing efficiency and stability, prevents sound leakage and dust interference, and ensures the accuracy of test results.
Smart Images

Figure CN120761499B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application belongs to the technical field of intelligent sensor detection, and particularly relates to a noise reduction material performance detection device based on multi-directional intelligent sensing. BACKGROUND
[0002] The noise sensor is used for detecting ambient noise, facilitating observation of noise values in the environment by workers, and can detect noise in various environments such as indoor office areas or machine rooms.
[0003] After retrieval, the prior art discloses a kind of assembled multifunctional noise sensor in China patent publication No.CN217687495U, authorized announcement day:2022-10-28, which includes noise sensor body, connecting plate and front shell, the back of the noise sensor body is installed with rear shell, the front of the noise sensor body is symmetrically installed with connecting plate, the front of the noise sensor body is installed with front shell, the inside of the front shell is provided with second installation slot, the front of the front shell is installed with display, the inside of the second installation slot is movably installed with moving plate, the side of the moving plate is installed with a plurality of fixed rods, and the end of the fixed rod penetrates the side of the second installation slot.In this application, when the connecting plate is inserted into the front shell, the connecting rod is pulled by the pull plate, so that the connecting plate can penetrate the front shell, then the pull plate is loosened, so that the fixed rod enters the fixed hole under the action of connecting spring, so that the connecting plate is fixed, so that the device is assembled, and it is also convenient to disassemble, so that the fixed rod is away from the fixed hole, and the front shell can be easily disassembled.
[0004] However, the device still has the following defects: although it can be disassembled conveniently, it cannot be assembled and accurately tested during performance testing of different types of noise reduction materials, and the testing conditions are not ideal. SUMMARY
[0005] To solve the above problems, the application provides a kind of noise reduction material performance detection device based on multi-directional intelligent sensing, including detection chamber component and intelligent sensor component;The inner wall bottom end of the detection chamber component is rotationally connected with the intelligent sensor component, and the detection chamber component is of open structure, the intelligent sensor component is used to assemble noise reduction materials of different materials and drive noise reduction materials of different materials into the detection chamber component in the process of rotation, the top of the detection chamber component is provided with driving assembly for rotating intelligent sensor component, and the detection chamber component is provided with buzzer.
[0006] Further, the detection chamber assembly comprises a track shell; the track shell is an open cylindrical structure, and the inner wall of the track shell is fixedly connected with a sound box on one side; the outer wall of the sound box is provided with two groups of guide grooves; the inner wall of the track shell and the positions close to the two groups of guide grooves are fixedly connected with first electric push rods; the sound box is a fan ring structure, and the position close to the center of the track shell is provided with a positioning groove; the buzzer is embeddedly installed on the inner wall of the sound box and away from the positioning groove.
[0007] Further, the intelligent sensor assembly comprises a linkage mechanism; the inner wall of the linkage mechanism is fixedly connected with a noise sensor mechanism, and the outer wall of the linkage mechanism is movably connected with a plurality of groups of noise reduction material layers.
[0008] Further, the linkage mechanism comprises a linkage ring; the two ends of the linkage ring are open structures, and the outer wall of the linkage ring is provided with a plurality of groups of installation cavities; the top and bottom of the linkage ring are provided with assembly grooves which are in communication with the plurality of groups of installation cavities; the inner walls of the plurality of groups of installation cavities are movably connected with the noise reduction material layers, and the two ends of the noise reduction material layers extend into the assembly grooves; and the inner wall of the linkage ring is fixedly connected with a linkage rod.
[0009] Further, the noise sensor mechanism comprises a protective cylinder and a switching mechanism; the top end of the protective cylinder is an open structure, and the outer wall of the protective cylinder is fixedly connected with the other end of the linkage rod; the outer side wall of the protective cylinder is provided with a plurality of groups of detection holes; the inner wall of the protective cylinder is fixedly connected with a second electric push rod at the bottom end, and the output end of the second electric push rod is drivingly connected with a noise sensor body.
[0010] Further, the outer wall of the noise sensor body is provided with a plurality of groups of adjusting grooves; the inner walls of the plurality of groups of adjusting grooves are rotatably connected with reset rods at the top ends, and the ends of the reset rods are provided with noise detection heads; the noise detection heads extend into the detection holes; the top of the noise detection head and the outer wall of the noise sensor body are provided with a tension spring; the inner wall of the protective cylinder and the position close to the top end are provided with a plurality of groups of positioning clamping grooves; and the switching mechanism is installed in the positioning clamping groove.
[0011] Further, the switching mechanism comprises a positioning disc; the top of the positioning disc is fixedly connected with an inner hexagonal cylinder; the outer wall of the positioning disc is provided with a plurality of groups of positioning clamping blocks, and the plurality of groups of positioning clamping blocks are installed in the positioning clamping groove.
[0012] Further, the bottom of the positioning disc is fixedly connected with a plurality of groups of third electric push rods, and the output ends of the plurality of groups of third electric push rods are drivingly connected with sealing baffles; the bottom of the sealing baffle is provided with an inclined surface layer, and the inclined surface layer is provided with a plurality of groups of cleaning filaments.
[0013] Further, the driving assembly comprises a driving arm; a top of the driving arm is fixedly connected with a servo motor, and an output end of the servo motor is drivingly connected with a hexagonal linkage rod.
[0014] Further, one end of the hexagonal linkage rod is clamped in an internal hexagonal cylinder, a bottom of the driving arm and one side away from the hexagonal linkage rod are provided with a mounting groove, and the mounting groove is clamped and mounted at a top edge of the track shell.
[0015] The beneficial effects of the present application are:
[0016] 1. The intelligent sensor assembly is used to assemble different noise reduction materials first, and in the process of rotating the intelligent sensor assembly driven by the driving assembly, the noise reduction materials of different materials are switched into the detection chamber assembly in turn, and the buzzer in the detection chamber assembly emits the same decibel intensity sound, the noise reduction materials of different materials filter the sound, and the intelligent sensor assembly can detect the filtered sound, and judge the noise reduction performance of the noise reduction materials of different materials according to the detection result.
[0017] 2. The output end of the servo motor drives the hexagonal linkage rod to rotate, so that the protective cylinder body rotates synchronously, and different noise reduction material layers are sent into the sound box through the guide groove in turn, and the output end of the first electric push rod on both sides is in abutting connection with the outer wall of the protective cylinder body, so as to further limit the stability of the material during noise reduction test, and improve the stability of the noise reduction material layer during detection.
[0018] 3. The buzzer works continuously at the same decibel intensity and contacts the noise reduction material layer in the sound box, and the noise reduction material layer can store the noise reduction sound of the buzzer, and the unfiltered sound enters the detection hole through the positioning groove, and the noise intensity of the filtered noise reduction material layer is detected by the noise detection head in each group of detection holes, so as to analyze the noise reduction performance of the noise reduction material layer, and improve the efficiency of the detection of multiple noise reduction material layers in turn.
[0019] 4. The output end of the third electric push rod drives the bottom sealing baffle to fall, first seals the remaining two groups of detection holes to prevent sound leakage through the remaining two groups of detection holes, and also abuts the noise detection head with the inclined surface layer during the falling process of the sealing baffle, so that the noise detection head rotates around the end of the reset rod, and the cleaning wire cleans the surface of the noise detection head, so as to prevent dust, dirt or other particulate matters from affecting the accuracy of the sensor and causing data deviation.
[0020] Additional features and advantages of the present application will be set forth in the description that follows, and in part will be apparent from the description, or can be learned by practice of the present application. The objectives and other advantages of the present application will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings. BRIEF DESCRIPTION OF DRAWINGS
[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.
[0022] Figure 1 The structural schematic diagram of the performance detection device of the noise reduction material in the embodiment of the present application is shown.
[0023] Figure 2 The structural schematic diagram of the detection chamber assembly in the embodiment of the present application is shown.
[0024] Figure 3 The structural schematic diagram of the sound production box in the embodiment of the present application is shown.
[0025] Figure 4 The structural schematic diagram of the intelligent sensor assembly in the embodiment of the present application is shown.
[0026] Figure 5 The structural schematic diagram of the linkage mechanism in the embodiment of the present application is shown.
[0027] Figure 6 The structural schematic diagram of the noise sensor mechanism in the embodiment of the present application is shown.
[0028] Figure 7 The structural schematic diagram of the switching mechanism in the embodiment of the present application is shown.
[0029] Figure 8 The structural schematic diagram of the driving assembly in the embodiment of the present application is shown.
[0030] In the figure: 1, detection chamber assembly; 11, track shell; 12, sound box; 13, guide groove; 14, first electric push rod; 15, positioning groove; 2, intelligent sensor assembly; 21, linkage mechanism; 211, linkage ring; 212, mounting cavity; 213, assembly groove; 214, linkage rod; 22, noise sensor mechanism; 221, protective cylinder; 222, detection hole; 223, second electric push rod; 224, noise sensor body; 225, adjusting groove; 226, reset rod; 227, noise detection head; 228, tension spring; 229, switching mechanism; 2291, positioning disc; 2292, internal hexagonal cylinder; 2293, positioning clamping block; 2294, third electric push rod; 2295, sealing baffle; 2296, inclined surface layer; 2297, cleaning wool; 2210, positioning clamping groove; 23, noise reduction material layer; 3, driving assembly; 31, driving arm; 32, servo motor; 33, hexagonal linkage rod; 34, mounting groove. DETAILED DESCRIPTION
[0031] To make the objectives, technical solutions and advantages of the embodiments of the present application clearer, the following will clearly and completely explain the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some but not all of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.
[0032] The embodiments of the present application provide a noise reduction material performance detection device based on multi-directional intelligent sensing, which comprises a detection chamber assembly 1 and an intelligent sensor assembly 2. Figure 1 As shown in the figure.
[0033] The intelligent sensor assembly 2 is rotationally connected to the inner wall bottom end of the detection chamber assembly 1, and the detection chamber assembly 1 is of an open structure, the intelligent sensor assembly 2 is used for assembling noise reduction materials of different materials and driving the noise reduction materials of different materials into the detection chamber assembly 1 in the process of rotation, the top of the detection chamber assembly 1 is provided with a driving assembly 3 for driving the intelligent sensor assembly 2 to rotate, and the detection chamber assembly 1 is provided with a buzzer.
[0034] Specifically, the intelligent sensor assembly 2 first assembles noise reduction materials of different materials, and in the process of driving the intelligent sensor assembly 2 to rotate by the driving assembly 3, the noise reduction materials of different materials enter the detection chamber assembly 1 in turn, and the buzzer in the detection chamber assembly 1 emits sound of the same decibel intensity, the noise reduction materials of different materials filter the sound, and the intelligent sensor assembly 2 can detect the filtered sound to judge the noise reduction performance of the noise reduction materials of different materials according to the detection result.
[0035] The detection chamber assembly 1 comprises a track shell 11; as shown in the figure, Figure 2 and Figure 3 .
[0036] The track shell 11 is an open cylindrical structure, and the inner wall of the track shell 11 is fixedly connected with a sound box 12, the outer wall of the sound box 12 is provided with two groups of guide grooves 13, and the inner wall of the track shell 11 and close to the position of the two groups of guide grooves 13 are fixedly connected with first electric push rods 14, the sound box 12 is a fan ring structure, and the position close to the central axis of the track shell 11 is provided with a positioning groove 15, and the buzzer is embeddedly installed on the inner wall of the sound box 12 and away from the positioning groove 15.
[0037] The intelligent sensor assembly 2 comprises a linkage mechanism 21; as shown in the figure, Figure 4 .
[0038] The inner wall of the linkage mechanism 21 is fixedly connected with a noise sensor mechanism 22, and the outer wall of the linkage mechanism 21 is movably connected with a plurality of groups of noise reduction material layers 23.
[0039] The linkage mechanism 21 comprises a linkage ring 211; as shown in the figure, Figure 5 .
[0040] The two ends of the linkage ring 211 are open structure, and the outer wall of the linkage ring 211 is provided with a plurality of groups of installation cavities 212, the top and bottom of the linkage ring 211 are provided with assembly grooves 213 which are in communication with a plurality of groups of installation cavities 212, the inner wall of a plurality of groups of installation cavities 212 is movably connected with noise reduction material layers 23, and the two ends of the noise reduction material layers 23 extend into the assembly grooves 213, and the inner wall of the linkage ring 211 is fixedly connected with a linkage rod 214.
[0041] The noise sensor mechanism 22 comprises a protective cylinder 221 and a switching mechanism 229; as shown in the figure, Figure 6 .
[0042] The top end of the protective cylinder 221 is an open structure, and the outer wall of the protective cylinder 221 is fixedly connected with the other end of the linkage rod 214, a plurality of groups of detection holes 222 are formed in the outer side wall of the protective cylinder 221, the inner wall of the protective cylinder 221 is fixedly connected with a second electric push rod 223, and the output end of the second electric push rod 223 is drivingly connected with a noise sensor body 224, a plurality of groups of adjusting grooves 225 are formed in the outer wall of the noise sensor body 224, a plurality of groups of reset rods 226 are rotatably connected with the inner wall top ends of the adjusting grooves 225, and noise detection heads 227 are arranged at the end portions of the reset rods 226, the noise detection heads 227 extend into the detection holes 222, and a tension spring 228 is arranged between the top of the noise detection head 227 and the outer wall of the noise sensor body 224, a plurality of groups of positioning clamping grooves 2210 are formed in the inner wall of the protective cylinder 221 and close to the top end, and the switching mechanism 229 is installed in the positioning clamping grooves 2210.
[0043] The switching mechanism 229 comprises a positioning disc 2291; as shown in the example, Figure 7
[0044] The top of the positioning disc 2291 is fixedly connected with an inner hexagonal cylinder 2292, the outer wall of the positioning disc 2291 is provided with a plurality of groups of positioning clamping blocks 2293, and the plurality of groups of positioning clamping blocks 2293 are installed in the positioning clamping grooves 2210, the bottom of the positioning disc 2291 is fixedly connected with a plurality of groups of third electric push rods 2294, and the output ends of the plurality of groups of third electric push rods 2294 are drivingly connected with sealing baffles 2295, the bottom of the sealing baffle 2295 is provided with a bevel layer 2296, and a plurality of groups of cleaning filaments 2297 are arranged on the bevel layer 2296.
[0045] The driving assembly 3 comprises a driving arm 31; as shown in the example, Figure 8
[0046] The top of the driving arm 31 is fixedly connected with a servo motor 32, the output end of the servo motor 32 is drivingly connected with a hexagonal linkage rod 33, one end of the hexagonal linkage rod 33 is clamped in the inner hexagonal cylinder 2292, the bottom of the driving arm 31 and away from one side of the hexagonal linkage rod 33 is provided with a mounting groove 34, and the mounting groove 34 is clamped and installed at the top edge of the track housing 11.
[0047] Specifically, the protective cylinder 221 uses a plurality of groups of mounting cavities 212 in the outer wall to assemble the noise reduction material layer 23 which needs to be detected for noise reduction performance, and the assembly grooves 213 on the upper and lower sides of the mounting cavity 212 can limit the end of the assembled noise reduction material layer 23, thereby enhancing the material stability during noise reduction testing.
[0048] The output end of the servo motor 32 drives the hexagonal linkage rod 33 to rotate, so that the protective cylinder 221 rotates synchronously, different noise reduction material layers 23 are sent into the sound box 12 through the guide groove 13 in turn, and the output end of the first electric push rod 14 on the two sides is in abutting connection with the outer wall of the protective cylinder 221, so as to further limit the material stability during noise reduction test.
[0049] The buzzer is in contact with the noise reduction material layer 23 in the sound box 12 during continuous operation at the same decibel intensity, and the noise reduction material layer 23 can store the sound of the buzzer after noise reduction, and the unfiltered sound enters the detection hole 222 through the positioning groove 15, the sound intensity filtered by the noise reduction material layer 23 is detected by the noise detection head 227 in each group of detection holes 222, and the noise reduction performance of the noise reduction material layer 23 is analyzed.
[0050] The output end of the third electric push rod 2294 drives different sealing baffles 2295 to ascend and descend, when one group of detection holes 222 needs to be in communication with the positioning groove 15 and store sound, the output end of the remaining two groups of third electric push rods 2294 drives the sealing baffles 2295 at the bottom to fall, so as to first block the remaining two groups of detection holes 222, prevent sound from leaking through the remaining two groups of detection holes 222, and also enable the inclined surface layer 2296 to abut and connect with the noise detection head 227 during the falling of the sealing baffle 2295, so that the surface of the noise detection head 227 is cleaned by the cleaning wire 2297 during the rotation of the noise detection head 227 around the end of the reset rod 226 as the center, so as to prevent dust, dirt or other particulate matter from affecting the accuracy of the sensor and causing data deviation.
[0051] The working principle of the noise reduction material performance detection device based on multi-directional intelligent sensing provided by the embodiment of the application is as follows:
[0052] The protective cylinder 221 is used to assemble the noise reduction material layer 23 whose noise reduction performance needs to be detected by using the plurality of installation cavities 212 on the outer wall, and the assembly grooves 213 on the upper and lower sides of the installation cavity 212 can limit the ends of the assembled noise reduction material layer 23, so as to enhance the material stability during noise reduction test.
[0053] The output end of the servo motor 32 drives the hexagonal linkage rod 33 to rotate, so that the protective cylinder 221 rotates synchronously, different noise reduction material layers 23 are sent into the sound box 12 through the guide groove 13 in turn, and the output end of the first electric push rod 14 on the two sides is in abutting connection with the outer wall of the protective cylinder 221, so as to further limit the material stability during noise reduction test.
[0054] The buzzer is in contact with the noise reduction material layer 23 in the sound box 12 during the process of working continuously at the same decibel intensity, and the noise reduction material layer 23 can accommodate the sound of the buzzer after noise reduction. The unfiltered sound enters the detection hole 222 through the positioning groove 15. The noise detection head 227 in each group of detection holes 222 detects the sound intensity filtered by the noise reduction material layer 23, and analyzes the noise reduction performance of the noise reduction material layer 23.
[0055] The output ends of the third electric push rods 2294 drive different sealing baffles 2295 to rise and fall. When one group of detection holes 222 needs to communicate with the positioning groove 15 and accommodate sound, the output ends of the remaining two groups of third electric push rods 2294 drive the bottom sealing baffles 2295 to fall. First, the remaining two groups of detection holes 222 are sealed to prevent sound leakage through the remaining two groups of detection holes 222. The inclined surface layer 2296 is in contact with the noise detection head 227 during the falling process of the sealing baffle 2295. When the noise detection head 227 rotates around the end of the reset rod 226 as the center, the cleaning wire 2297 cleans the surface of the noise detection head 227 to prevent dust, dirt or other particulate matter from affecting the accuracy of the sensor and causing data deviation.
[0056] Although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced by equivalent ones. The modifications or replacements do not change the essence of the corresponding technical solutions, and do not deviate from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims
1. A multi-directional intelligent sensing-based noise reduction material performance detection device, characterized by: Including detection chamber assembly and intelligent sensor assembly;The intelligent sensor assembly is rotatably connected to the inner wall bottom end of the detection chamber assembly, and the detection chamber assembly is an open structure, the intelligent sensor assembly is used for assembling different materials of noise reduction material and driving different materials of noise reduction material into the detection chamber assembly in the process of rotating, the top of the detection chamber assembly is provided with a driving assembly for driving the intelligent sensor assembly to rotate, and a buzzer is arranged in the detection chamber assembly. The detection chamber assembly comprises a track shell;The track shell is an open cylindrical structure, and the inner wall of the track shell is fixedly connected with a sound box on one side, the outer wall of the sound box is provided with two groups of guide grooves, the inner wall of the track shell and the positions close to the two groups of guide grooves are fixedly connected with first electric push rods, the sound box is a fan ring structure, and the position close to the central axis center of the track shell is provided with a positioning groove, and the buzzer is embeddedly installed on the inner wall of the sound box and away from one side of the positioning groove. The intelligent sensor assembly comprises a linkage mechanism;The inner wall of the linkage mechanism is fixedly connected with a noise sensor mechanism, and the outer wall of the linkage mechanism is movably connected with a plurality of groups of noise reduction material layers. The linkage mechanism comprises a linkage ring;Both ends of the linkage ring are open structures, and a plurality of groups of mounting cavities are formed in the outer wall of the linkage ring, assembly grooves are formed in the top and bottom of the linkage ring and are in communication with the plurality of groups of mounting cavities, the inner walls of the plurality of groups of mounting cavities are movably connected with the noise reduction material layers, and the two ends of the noise reduction material layers extend into the assembly grooves, and the inner wall of the linkage ring is fixedly connected with a linkage rod.
2. The multi-directional intelligent sensing-based noise-reducing material performance detection device according to claim 1, characterized in that: The noise sensor mechanism comprises a protective cylinder and a switching mechanism;The top of the protective cylinder is an open structure, and the outer wall of the protective cylinder is fixedly connected with the other end of the linkage rod, a plurality of detection holes are formed in the outer wall of the protective cylinder, a second electric push rod is fixedly connected to the inner wall bottom end of the protective cylinder, and the output end of the second electric push rod is drivingly connected with a noise sensor body.
3. The multi-directional intelligent sensing based noise reduction material performance detection device according to claim 2, characterized in that: A plurality of adjusting grooves are formed in the outer wall of the noise sensor body, a reset rod is rotatably connected to the inner wall top end of each adjusting groove, and a noise detection head is arranged at the end of the reset rod, the noise detection head extends into the detection hole, a tension spring is arranged between the top of the noise detection head and the outer wall of the noise sensor body, a plurality of positioning clamping grooves are formed in the inner wall of the protective cylinder and close to the top, and the switching mechanism is installed in the positioning clamping groove.
4. The multi-directional intelligent sensing-based noise-reducing material performance detection device according to claim 3, characterized in that: The switching mechanism comprises a positioning disc;The top of the positioning disc is fixedly connected with an inner hexagonal cylinder, a plurality of positioning clamping blocks are arranged on the outer wall of the positioning disc, and the plurality of positioning clamping blocks are installed in the positioning clamping groove.
5. The multi-directional intelligent sensing based noise reduction material performance detection device according to claim 4, characterized in that: A plurality of third electric push rods are fixedly connected to the bottom of the positioning disc, and the output ends of the plurality of third electric push rods are drivingly connected with sealing baffles, an inclined surface layer is formed in the bottom of the sealing baffle, and a plurality of cleaning filaments are arranged on the inclined surface layer.
6. The multi-directional intelligent sensing based noise reduction material performance detection device of claim 1, wherein: The driving assembly comprises a driving arm; a top of the driving arm is fixedly connected with a servo motor, and an output end of the servo motor is drivingly connected with a hexagonal linkage rod.
7. The multi-directional intelligent sensing based noise reduction material performance detection device according to claim 6, wherein: One end of the hexagonal linkage rod is clamped in an inner hexagonal cylinder, a bottom of the driving arm and one side away from the hexagonal linkage rod are provided with a mounting groove, and the mounting groove is clamped and mounted at a top edge of the track shell.
Citation Information
Patent Citations
Rapid positioning type vertical row central tool magazine and control method thereof
CN118106795A
Assembled multifunctional noise sensor
CN217687495U