Anchor rod detection device using acoustic emission sensor

By designing an anchor bolt detection device, the problem of sensor detachment caused by hand-held alignment is solved by using a clamping rod in close contact with the end of the anchor bolt, thus achieving efficient and accurate anchor bolt defect detection.

CN223461522UActive Publication Date: 2025-10-21SHANDONG YANGSHI ENG INSPECTION CO LTD
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Patent Information

Application Number
CN202422751341.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-12
Publication Date
2025-10-21
Estimated Expiration
2034-11-12

AI Technical Summary

Technical Problem

During the anchor bolt detection process, the sensor needs to be handheld and aligned, which poses a risk of falling off, resulting in inaccurate detection results.

Method used

An anchor rod detection device is designed, which includes a base, a detection seat, a clamping rod and a sensor. The clamping rod is in close contact with the end of the anchor rod to ensure that the sensor is fixed to the end of the anchor rod to prevent it from falling off. Spring and threaded connections are used to achieve stable contact.

Benefits of technology

It achieves firm contact between the sensor and the end of the anchor rod, avoids falling off during the detection process, improves the accuracy of the detection results and the ease of operation, and is suitable for anchor rod defect detection of different specifications and scenarios.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of anchor rod detection, and particularly discloses an anchor rod detection device using an acoustic emission sensor, which is used for solving the technical problems that the sensor needs to be aligned by hand in the detection process, the falling risk exists, and even the detection result is inaccurate. Comprising a base and a detection seat, the top of the base is provided with a take-up groove and an insertion hole, the base is provided with a cable through the middle of the take-up groove, the cable is connected with the detection seat, the base is frustum-shaped, the front side of the base is provided with an embedding groove, and the base is provided with a display screen through the embedding groove in a telescopic mode; according to the method, the detection end is always fixed on the end part of the to-be-detected anchor rod to complete defect detection, so that the situation that the detection end falls off in the detection process to cause an inaccurate detection result can be avoided, and the defect detection of anchor rods with different specifications and in different scenes can be completed with the advantages of high adaptability, simplicity in operation and convenience in result observation; usage is convenient and operation efficiency is high.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the anchor rod detection technical field especially utilizes the anchor rod detection device of acoustic emission sensor. BACKGROUND

[0002] Acoustic emission detection technology is a commonly used technology, which judges whether cracks or other defects exist in the anchor rod by testing the ultrasonic acoustic emission signal of the anchor rod. The principle of acoustic emission detection is to generate stress waves by applying pressure on the anchor rod, and to determine the defects inside the anchor rod by acquiring and amplifying the reflected signal of the sound wave with the help of acoustic emission sensors.

[0003] Acoustic emission detection technology has many advantages. First, acoustic emission detection technology detects defects inside the anchor rod, which can accurately obtain quality information of the anchor rod. Second, acoustic emission detection technology provides real-time feedback during the detection process, which is fast and shortens the detection time, greatly improving the detection efficiency and work efficiency. Finally, acoustic emission detection technology is non-destructive, which does not affect the anchor rod. It is widely used in anchor rod engineering.

[0004] However, during the traditional anchor rod detection process, the ground is messy during the tunnel construction process. During the anchor rod detection process, the sensor of the detection instrument placed on the ground needs to be hand-held and attached to the outer extension part of the anchor rod. Then, the vibrator is used to vibrate to complete the application of stress waves, and finally the detection is completed. During the entire detection process, the sensor needs to be hand-held and aligned, which not only has the risk of falling off, but also may result in inaccurate detection results.

[0005] In view of the above technical defects, a solution is proposed. SUMMARY

[0006] The utility model discloses a kind of anchor rod detection devices utilizing acoustic emission sensor, to solve the problem that sensor needs to be hand-held and aligned during detection process, not only there is the risk of falling off, even can appear inaccurate detection result situation, is by with detection end is always fixed on the end of anchor rod to be detected to complete defect detection mode, can avoid detection end to appear falling-off phenomenon during detection process and then lead to inaccurate detection result situation, and can with high adaptability, operation is simple and the advantage of result is easy to watch is completed to different specifications, different scene under anchor rod defect detection, it is convenient to use and operation efficiency is high.

[0007] The utility model discloses a anchor rod detection device utilizing acoustic emission sensor can realize the following technical scheme: a kind of anchor rod detection device utilizing acoustic emission sensor, including base and detection seat, the top of base is equipped with take-up slot and jack, the middle part of base is installed with cable through take-up slot, the cable is connected with detection seat, the base is conical frustum and front side is equipped with embedding slot, the base is installed with display screen through embedding slot telescopicly;Sensor, mounting rod and spring are installed in the front side of detection seat, the front side of detection seat is provided with several clamping rods, and the sensor is located in the clearance of clamping rod.

[0008] Preferably, the clamping rod is arranged in a ring shape and has a sharp end, a threaded stud is connected to the front end of the detection seat, the front end of the threaded stud is connected to the clamping rod, an outer sleeve ring is sleeved on the threaded stud, the outer sleeve ring is threadedly connected to the threaded stud, and the outer wall of the outer sleeve ring is provided with several anti-skid strips.

[0009] Preferably, several latex strips are installed on the inner side of the front end of the clamping rod, each latex strip is arranged close to and embedded in the inner ring side of the clamping rod, a bending groove is formed in the inner ring side of the clamping rod close to the threaded stud, an inclined platform is installed on the outer ring side of the clamping rod close to the threaded stud, and the height of the outer side of the inclined platform is higher than the height of the inner side.

[0010] Preferably, the spring is connected to the detection seat, the front end of the spring is connected to the mounting rod, the front side of the mounting rod is connected to the sensor, and the front ends of the several clamping rods are not in contact with the sensor when closed.

[0011] Preferably, a cover is hingedly connected to one side of the base corresponding to the take-up slot, the detection seat, the clamping rod, and the jack are matched, and the cable is matched with the take-up slot.

[0012] Preferably, a folding support is installed on the base through the embedding slot, the folding support is connected to the display screen, and the outer side of the display screen is flush with the outer side of the base when the folding support is overlapped.

[0013] The utility model discloses the following beneficial effects:

[0014] The utility model discloses a base is placed on the ground of the anchor rod part of detection, opens the cover, takes out the detection seat and cable, and the middle part of clamping rod is inserted to the anchor rod end part, and immediately according to the diameter of the anchor rod of detection, the position of the outer sleeve ring on the stud is adjusted, and the specific operation is: rotate the outer sleeve ring, and the outer sleeve ring moves on the stud and is close to the direction of clamping rod, when the outer sleeve ring moves and sets on the inclined platform plate outside clamping rod, the inclined platform plate and clamping rod are close to each other under the condition that the bending groove is reduced, so that the rubber strip of clamping rod front section inside contacts and completes clamping with the anchor rod, and the sensor contacts the anchor rod end part to facilitate subsequent detection, and during the whole detection process, the detection end is in close contact with the anchor rod end part, can avoid the detection end to fall off phenomenon in the detection process and lead to the situation of inaccurate detection result.

[0015] The utility model discloses a base is placed on the ground of the anchor rod part of detection, opens the cover, takes out the detection seat and cable, and the middle part of clamping rod is inserted to the anchor rod end part, and immediately according to the diameter of the anchor rod of detection, the position of the outer sleeve ring on the stud is adjusted, and the specific operation is: rotate the outer sleeve ring, and the outer sleeve ring moves on the stud and is close to the direction of clamping rod, when the outer sleeve ring moves and sets on the inclined platform plate outside clamping rod, the inclined platform plate and clamping rod are close to each other under the condition that the bending groove is reduced, so that the rubber strip of clamping rod front section inside contacts and completes clamping with the anchor rod, and the sensor contacts the anchor rod end part to facilitate subsequent detection, and during the whole detection process, the detection end is in close contact with the anchor rod end part, can avoid the detection end to fall off phenomenon in the detection process and lead to the situation of inaccurate detection result. BRIEF DESCRIPTION OF DRAWINGS

[0016] The utility model makes further explanation in combination with the drawings;

[0017] Figure 1 It is the structure perspective drawing of the utility model whole;

[0018] Figure 2 It is the integrated structure schematic view of the utility model;

[0019] Figure 3 It is the structure schematic view of the detection mechanism of the utility model;

[0020] Figure 4 It is the partial structure cutaway split schematic view of the detection mechanism of the utility model;

[0021] Figure 5 It is the cutaway schematic view of the detection mechanism of the utility model;

[0022] Figure 6 It is the structure schematic view of the clamping rod of the utility model;

[0023] Figure 7 It is the installation schematic view of the display screen of the utility model.

[0024] Legend: 1, base; 2, cover; 3, cable; 4, detection seat; 5, display screen; 6, take-up slot; 7, jack; 8, stud; 9, sleeve ring; 10, clamping rod; 11, inclined platform; 12, latex strip; 13, bending groove; 14, anti-skid strip; 15, sensor; 16, mounting rod; 17, spring; 18, folding support; 19, embedded groove. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] Embodiment 1

[0027] This embodiment is used to solve the problem that the alignment of the sensor needs to be manually performed during the detection process, which not only has the risk of falling off, but also may result in inaccurate detection results.

[0028] Please refer to Figure 1 - Figure 7 As shown in the figure, the anchor rod detection device using acoustic emission sensors of this embodiment comprises a base 1 and a detection seat 4. The top of the base 1 is provided with a take-up slot 6 and a jack 7. The base 1 is provided with a cable 3 through the middle of the take-up slot 6. The cable 3 is connected with the detection seat 4. The base 1 is in the shape of a truncated cone and is provided with an embedded groove 19 on the front side. The base 1 is provided with a display screen 5 through telescopic installation of the embedded groove 19. The front side of the detection seat 4 is provided with a sensor 15, a mounting rod 16 and a spring 17. The front side of the detection seat 4 is provided with a plurality of clamping rods 10. The sensor 15 is located in the gap of the clamping rods 10.

[0029] The clamping rods 10 are arranged in a ring shape and the end part is sharp. The front end of the stud 8 is connected with the clamping rods 10. The stud 8 is sleeved with a sleeve ring 9. The sleeve ring 9 is threadedly connected with the stud 8. The outer wall of the sleeve ring 9 is provided with a plurality of anti-skid strips 14.

[0030] The inner side of the front end of the clamping rods 10 is provided with a plurality of latex strips 12. Each latex strip 12 is close to and embedded in the inner ring side of the clamping rods 10. The inner ring side of the clamping rods 10 close to the stud 8 is provided with a bending groove 13. The outer ring side of the clamping rods 10 close to the stud 8 is provided with an inclined platform 11. The height of the outer side of the inclined platform 11 is higher than that of the inner side.

[0031] Please refer to Figure 1 - Figure 3As shown, the base 1 is placed on the ground at the anchor rod position to be detected, the cover 2 is opened, the detection seat 4 and the cable 3 are taken out, and the middle part of the clamping rod 10 is inserted into the anchor rod end, then the position of the sleeve ring 9 outside the stud 8 is adjusted according to the diameter of the anchor rod to be detected, and the specific operation is as follows: rotating the sleeve ring 9, the sleeve ring 9 moves on the stud 8 in a spiral manner and moves towards the clamping rod 10, when the sleeve ring 9 moves to the inclined table plate 11 outside the clamping rod 10, the inclined table plate 11 and the clamping rod 10 are close to each other in the case of the reduced bending groove 13, so that the latex strip 12 inside the front section of the clamping rod 10 contacts and clamps the anchor rod, and the sensor 15 contacts the end of the anchor rod for subsequent detection;

[0032] The spring 17 is connected with the detection seat 4, the front end of the spring 17 is connected with the mounting rod 16, the front side of the mounting rod 16 is connected with the sensor 15, and the front ends of the plurality of clamping rods 10 are not in contact with the sensor 15 when closed; the base 1 is hinged on one side corresponding to the wire collecting groove 6 with the cover 2, the detection seat 4, the clamping rod 10 and the jack 7 are matched, the cable 3 is matched with the wire collecting groove 6, the base 1 is installed with the folding support 18 through the embedded groove 19, the folding support 18 is connected with the display screen 5, and the outer side of the display screen 5 is flush with the outer side of the base 1 when the folding support 18 is overlapped;

[0033] Basic principle: refer to Figures 3-6 When detecting, the sensor 15 is aligned and contacted to the end of the anchor rod before the clamping operation is completed, and continues to be compressed inward, at this time the mounting rod 16 drives the spring 17 to be compressed, so that the sensor 15 forms a firm contact with the end of the anchor rod, and finally the sleeve ring 9 is continuously twisted to lock the inclined table plate 11; at this time, the display screen 5 is folded out of the embedded groove 19 through the folding frame 18, and is adjusted to a suitable viewing angle of the operator in a squatting position, the operator then uses the vibrator to generate stress waves acting on the anchor rod, and the sensor 15 completes the defect detection of the anchor rod. Since the existing technology is relatively mature, the specific detection principle is not described here. In the entire detection process, the detection end is always fixed on the end of the anchor rod to be detected to complete the defect detection, which can avoid the detection end from falling off during the detection process and thus cause inaccurate detection results, and can complete the anchor rod defect detection in different specifications and different scenes with high adaptability, simple operation and convenient result viewing.

[0034] In summary: the anchor rod detection device can avoid the detection end from falling off during the detection process and thus cause inaccurate detection results, and can complete the anchor rod defect detection in different specifications and different scenes with high adaptability, simple operation and convenient result viewing, which is convenient to use and has high operation efficiency.

[0035] The above merely illustrates and describes the structure of the present application, and those skilled in the art can make various modifications or supplements to the described specific embodiments or adopt similar ways to replace, as long as the modifications or supplements do not deviate from the structure of the present application or exceed the scope defined by the present claims, and should belong to the protection scope of the present application.

Claims

1. A kind of anchor rod detection device using acoustic emission sensor, including base (1) and detection seat (4), the top of the base (1) is equipped with take-up slot (6) and jack (7), the middle part of the base (1) is installed with cable (3) by take-up slot (6), the cable (3) is connected with detection seat (4), it is characterized in that, The base (1) is a frustum and has an embedded slot (19) in the front side, and the display screen (5) is installed in the embedded slot (19) in a telescopic manner; the front side of the detection seat (4) is internally provided with a sensor (15), a mounting rod (16) and a spring (17), and the front side of the detection seat (4) is provided with a plurality of clamping rods (10), and the sensor (15) is located in the gap between the clamping rods (10).

2. The anchor rod detection apparatus using acoustic emission sensors according to claim 1, wherein The clamping rod (10) is arranged in a surrounding manner and has a sharp end, the front end of the detection seat (4) is connected with a stud (8), the front end of the stud (8) is connected with the clamping rod (10), the stud (8) is sleeved with an outer sleeve (9), the outer sleeve (9) is threadedly connected with the stud (8), and the outer wall of the outer sleeve (9) is provided with a plurality of anti-skid strips (14).

3. The anchor rod detection apparatus using acoustic emission sensors according to claim 1, wherein The front end of the clamping rod (10) is internally provided with a plurality of latex strips (12), each of the latex strips (12) is embedded in the inner ring side of the clamping rod (10) in a close manner, the inner ring side of the clamping rod (10) close to the stud (8) is provided with a bending groove (13), the outer ring side of the clamping rod (10) close to the stud (8) is provided with an inclined platform (11), and the height of the outer side of the inclined platform (11) is higher than that of the inner side.

4. The anchor rod detection apparatus using acoustic emission sensors according to claim 1, wherein The spring (17) is connected with the detection seat (4), the front end of the spring (17) is connected with the mounting rod (16), the front side of the mounting rod (16) is connected with the sensor (15), and the front ends of the plurality of clamping rods (10) are not in contact with the sensor (15) when they are closed.

5. The anchor detection apparatus using acoustic emission sensors according to claim 1, wherein The base (1) is hingedly connected with a cover (2) on one side corresponding to the wire collecting groove (6), the detection seat (4), the clamping rod (10) and the jack (7) are matched, and the cable (3) is matched with the wire collecting groove (6).

6. The anchor detection apparatus using acoustic emission sensors according to claim 1, wherein The base (1) is provided with a folding support (18) through the embedded slot (19), the folding support (18) is connected with the display screen (5), and when the folding support (18) is overlapped, the outer side of the display screen (5) is flush with the outer side of the base (1).