CN220170944U

CN220170944U - Scanning type impact echo instrument

Info

Publication number: CN220170944U
Application number: CN202321375261.2U
Authority: CN
Inventors: 马文成; 曾垚; 周翾
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-06-01
Filing date: 2023-06-01
Publication date: 2023-12-12
Anticipated expiration: 2033-06-01

Abstract

The utility model discloses a scanning type impact echo instrument, which comprises: the base is provided with universal wheels at four right angles on the lower surface; the upper end of each group of supporting rods is inserted with a telescopic rod, the upper end of each telescopic rod is provided with a square frame, the upper surface of each square frame is provided with a knob, the knob extends over the square frame and is provided with a buckle, a spring sleeve is connected with a spring on the inner wall of the upper end of the spring sleeve, the lower end of the spring is provided with a chuck, and the lower end of the chuck is provided with an impact block; the device comprises a connecting piece, wherein a first bevel gear is arranged in the middle of the connecting piece, a vertical connecting rod is inserted in the first bevel gear, a sensor is arranged at the lower end of the vertical connecting rod, a second bevel gear is arranged on the left side of the first bevel gear, and a rotating handle is arranged on the second bevel gear, which extends through a vertical plate.

Description

Scanning type impact echo instrument

Technical Field

The utility model relates to the technical field of scanning type impact echo instruments, in particular to a scanning type impact echo instrument.

Background

The impact echo method is to generate low-frequency stress waves by using a short-time mechanical impact (tapping the concrete surface with a small steel ball or a small hammer), the stress waves propagate into the structure and are reflected back by defects and the bottom surface of a component, and the reflected waves are received by a sensor arranged near an impact point and sent to a portable instrument with built-in high-speed data acquisition and signal processing. The recorded signals are subjected to amplitude spectrum analysis, and obvious peaks in the spectrogram are caused by transient resonance generated by multiple reflections between impact surfaces, defects and other outer surfaces, and can be identified and used for determining the thickness and defect positions of structural concrete.

Because need strike the position that needs to detect in carrying out the impact echo testing process, current scanning formula impact echo appearance lacks the knocking device, need the manual work to strike, long-term work can be as causing the injury to the human body, and current scanning formula impact echo appearance is not accurate enough to the dynamics of striking grasp, can not change different knocking device according to the characteristic of different objects that wait to detect, can lead to the result of detecting inaccurate enough, and current scanning formula impact echo appearance is not fixed measure well to the sensor, the sensor is not laminated enough with waiting to detect the object, also can produce adverse effect to the result of detecting, for this reason, we propose a scanning formula impact echo appearance.

Disclosure of Invention

The present utility model is directed to a scanning type impact echo apparatus, which solves the above-mentioned problems of the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a scanning type impact echo apparatus comprising:

the base is provided with universal wheels at four right angles on the lower surface of the base, and the right side of the base is provided with handrails; the right side of the upper surface of the base is provided with four groups of support rods, the upper end of each group of support rods is inserted with a telescopic rod, the upper end of each telescopic rod is provided with a square frame, the upper surface of each square frame is provided with two groups of knobs, the knobs extend through the square frame and are provided with buckles, one side, close to each other, of each two groups of knobs is provided with a spring sleeve, the spring sleeves are fixedly connected to the middle position of the upper surface of each square frame, the inner wall of the upper end of each spring sleeve is connected with a spring, the lower end of each spring is provided with a chuck, and the lower end of each chuck is provided with an impact block; the connecting piece is arranged on the right sides of the two groups of support rods positioned on the left side, a first bevel gear is arranged in the middle of the connecting piece, a vertical connecting rod is inserted in the first bevel gear, a sensor is arranged at the lower end of the vertical connecting rod, a second bevel gear is arranged on the left side of the first bevel gear, a rotating handle is arranged on the second bevel gear, the second bevel gear extends through a vertical plate, and a host is arranged on the left side of the upper surface of the base.

Preferably, the middle part of the right side of the base is provided with a through notch matched with the impact block and the sensor.

Preferably, bolt holes are uniformly formed in the side edges of the telescopic rods, bolt holes matched with the side edges of the telescopic rods are formed in the side edges of the supporting rods, and the supporting rods are fixedly connected with the telescopic rods through bolts.

Preferably, the chuck is fixedly connected with the impact block through a threaded rod at the lower end.

Preferably, the outer surface of the vertical connecting rod is provided with threads, and a thread groove matched with the threads on the vertical connecting rod is formed in the inner wall of the bevel gear.

Preferably, the gear clearance between the bevel gear II and the bevel gear I is the same, and the bevel gear II and the bevel gear I are tightly attached.

The utility model has at least the following beneficial effects:

1. according to the utility model, the clamp at the lower end of the knob can be released from the chuck by rotating the knob, then the impact block at the lower end is ejected downwards by the spring, and the object to be detected is impacted by the impact block, so that the object to be detected is prevented from being manually knocked, the workload of a worker is reduced, and the damage to the human body caused by long-term knocking operation is also prevented;

2. the telescopic rod is arranged at the upper end of the supporting rod, so that the height of the free falling body of the impact block ejected by the spring can be adjusted while the telescopic rod is convenient to retract and store, the impact force can be adjusted, the impact block at the lower end can be replaced according to detection objects made of different materials, and the accuracy of detection results is improved;

3. according to the utility model, after the device is pushed to a part to be detected by using the universal wheels, only the rotating handle is required to be rotated, and the vertical connecting rod is pushed to move downwards by using the transmission between the two groups of bevel gears, so that the sensor is pushed to be closely attached to an object to be detected by using the vertical connecting rod, the sensor is retracted by reversely rotating the rotating handle after the detection is finished, the sensor can be protected on the premise that the sensor is stable in working, and the service life of the device is prolonged.

Drawings

FIG. 1 is a front view of the present utility model;

FIG. 2 is a top view of the present utility model;

FIG. 3 is a block diagram of a base of the present utility model;

FIG. 4 is an enlarged view of the structure at A of FIG. 1 in accordance with the present utility model;

in the figure: 1. a base; 2. a universal wheel; 3. an armrest; 4. a support rod; 5. a telescopic rod; 6. a square frame; 7. a knob; 8. a buckle; 9. a spring sleeve; 10. a spring; 11. a chuck; 12. an impact block; 13. a connecting piece; 14. bevel gears I; 15. a vertical connecting rod; 16. a sensor; 17. bevel gears II; 18. a riser; 19. a rotating handle; 20. and a host.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: in one embodiment, a scanning type impact echo apparatus includes:

the device comprises a base 1, wherein universal wheels 2 are arranged at four right angles on the lower surface of the base 1, and armrests 3 are arranged on the right side of the base 1, so that the device can be pushed to a position to be detected conveniently; the right side of the upper surface of the base 1 is provided with four groups of support rods 4, the upper end of each group of support rods 4 is inserted with a telescopic rod 5, the upper end of each telescopic rod 5 is provided with a square frame 6, the upper surface of each square frame 6 is provided with two groups of knobs 7, each knob 7 extends through each square frame 6 and is provided with a buckle 8, one side, close to each other, of each knob 7 is provided with a spring sleeve 9, the spring sleeves 9 are fixedly connected to the middle position of the upper surface of each square frame 6, the inner wall of the upper end of each spring sleeve 9 is connected with a spring 10, the lower end of each spring 10 is provided with a chuck 11, and the lower end of each chuck 11 is provided with an impact block 12; the connecting piece 13, be located two sets of bracing pieces 4 right sides in left side and be provided with connecting piece 13, and be provided with bevel gear one 14 in the middle of the connecting piece 13 to insert in the bevel gear one 14 and be equipped with vertical connecting rod 15, vertical connecting rod 15 lower extreme is provided with sensor 16, and bevel gear one 14 left side is provided with bevel gear two 17, and bevel gear two 17 extend and are provided with the turning handle 19 through riser 18, and base 1 upper surface left side is provided with host computer 20, is responsible for handling the data that sensor 16 detected.

The middle part of the right side of the base 1 is provided with a through notch matched with the impact block 12 and the sensor 16;

the bolt holes are uniformly formed in the side edges of the telescopic rods 5, the bolt holes matched with the side edges of the telescopic rods 5 are formed in the side edges of the supporting rods 4, the supporting rods 4 are fixedly connected with the telescopic rods 5 through bolts, telescopic storage is facilitated, the height of an impact block 12 pulled by a spring 10 under the square frame 6 is changed from an object to be detected when the knob 7 is rotated, the chuck 11 is released by the buckle 8, the impact block 12 can be pushed downwards by the elasticity of the spring 10, the closer the impact block 12 is to the object to be detected, the stronger the impact force is, the farther the impact block 12 is from the object to be detected, and the weaker the impact force is, so that the adjustment of the impact force is realized, and the accuracy of a detection result is improved;

the chuck 11 is fixedly connected with the impact block 12 through a threaded rod at the lower end, so that the impact block 12 is convenient to detach, the impact block 12 is convenient to replace according to the materials of different objects to be detected, and the detection range of the device is improved;

the outer surface of the vertical connecting rod 15 is provided with threads, and the inner wall of the first bevel gear 14 is provided with a thread groove matched with the threads on the vertical connecting rod 15; the gear gap size of the bevel gear II 17 is the same as that of the bevel gear I14, and the bevel gear II and the bevel gear I14 are tightly attached, when the sensor 16 is required to be attached to an object to be detected for detection, only the rotating handle 19 is required to be rotated, and the rotating handle 19 drives the bevel gear II 17 to rotate.

The utility model relates to a scanning type impact echo instrument, which has the following working principle:

a first step of: the device is pushed to a position to be detected by utilizing the handrail 3 and the universal wheel 2 at the bottom, the telescopic rod 5 is extracted to a proper length from the supporting rod 4 according to the height required to be impacted, the telescopic rod and the supporting rod are fixed by using bolts, then the rotating handle 19 is rotated to drive the bevel gear I14 to rotate by utilizing the bevel gear II 17, the bevel gear I14 drives the vertical connecting rod 15 to move downwards by utilizing the thread groove, the sensor 16 positioned at the lower end of the vertical connecting rod 15 is tightly attached to an object to be detected, and then the power switch of the host 20 is turned on;

and a second step of: the two sets of knobs 7 are rotated to drive the lower buckle 8 to rotate, so that the buckle 8 releases the chuck 11, the impact block 12 is sprung towards a detected object by the elasticity of the spring 10 compressed in the spring sleeve 9 to achieve an impact effect, then the sensor 16 collects data and transmits the data to the host 20, and the host 20 performs data analysis.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A scanning type impact echo apparatus, comprising:

the novel hand-held device comprises a base (1), wherein universal wheels (2) are arranged at four right angles on the lower surface of the base (1), and armrests (3) are arranged on the right side of the base (1);

the support rod (4), four groups of support rods (4) are arranged on the right side of the upper surface of the base (1), telescopic rods (5) are inserted into the upper ends of all groups of support rods (4), square frames (6) are arranged at the upper ends of the telescopic rods (5), two groups of knobs (7) are arranged on the upper surface of each square frame (6), the knobs (7) extend through the square frames (6) and are provided with buckles (8), spring sleeves (9) are arranged on one sides, close to each other, of the two groups of knobs (7), the spring sleeves (9) are fixedly connected to the middle positions of the upper surface of each square frame (6), springs (10) are connected to the inner walls of the upper ends of the spring sleeves (9), chucks (11) are arranged at the lower ends of the springs (10), and impact blocks (12) are arranged at the lower ends of the chucks (11).

Connecting piece (13), two sets of bracing piece (4) right sides that are located the left side are provided with connecting piece (13), and are provided with bevel gear one (14) in the middle of connecting piece (13) to insert in bevel gear one (14) and be equipped with vertical connecting rod (15), vertical connecting rod (15) lower extreme is provided with sensor (16), bevel gear one (14) left side is provided with bevel gear two (17), and bevel gear two (17) extend and are provided with turning handle (19), base (1) upper surface left side is provided with host computer (20).

2. A scanning type impact echo apparatus according to claim 1 wherein: the middle part of the right side of the base (1) is provided with a through notch matched with the impact block (12) and the sensor (16).

3. A scanning type impact echo apparatus according to claim 1 wherein: the telescopic rod is characterized in that bolt holes are uniformly formed in the side edges of the telescopic rods (5), bolt holes matched with the side edges of the telescopic rods (5) are formed in the side edges of the supporting rods (4), and the supporting rods (4) are fixedly connected with the telescopic rods (5) through bolts.

4. A scanning type impact echo apparatus according to claim 1 wherein: the chuck (11) is fixedly connected with the impact block (12) through a threaded rod at the lower end.

5. A scanning type impact echo apparatus according to claim 1 wherein: the outer surface of the vertical connecting rod (15) is provided with threads, and the inner wall of the bevel gear I (14) is provided with a thread groove matched with the threads on the vertical connecting rod (15).

6. A scanning type impact echo apparatus according to claim 1 wherein: the gear clearance of the bevel gear II (17) is the same as that of the bevel gear I (14), and the bevel gear II and the bevel gear I are tightly attached.