CN216132991U - Calibration device for detecting sound of cast-in-place pile system by ultrasonic method - Google Patents
Calibration device for detecting sound of cast-in-place pile system by ultrasonic method Download PDFInfo
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- CN216132991U CN216132991U CN202122057693.6U CN202122057693U CN216132991U CN 216132991 U CN216132991 U CN 216132991U CN 202122057693 U CN202122057693 U CN 202122057693U CN 216132991 U CN216132991 U CN 216132991U
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Abstract
The utility model discloses a calibration device for detecting the sound of a cast-in-place pile system by an ultrasonic method, wherein two sides of the top of a box body are respectively provided with a first guide rail, an upper cross rod is fixed between first slider mounting seats, a first level meter is arranged on the upper cross rod, and a second slider and a clamping member are respectively movably connected to the upper cross rods on two sides of the first level meter; the side surfaces of the first guide rails are respectively provided with a positioning groove, the side surfaces of the box body below the positioning grooves are respectively vertically provided with a second guide rail, the second guide rails are movably provided with a second slider mounting seat, a lower cross rod is fixed between the second slider mounting seats, a second level meter is arranged on the lower cross rod, and the lower cross rods on two sides of the second level meter are respectively movably connected with a third slider and a clamping component; length scales are arranged on the upper cross rod, the lower cross rod and the second guide rail; the upper part is provided with length scales. The device has accurate distance measurement and stable and precise calibration process, and improves the calibration accuracy of the ultrasonic transducer during sound.
Description
Technical Field
The utility model relates to a calibration device for detecting the sound of a cast-in-place pile system by an ultrasonic method, belonging to the technical field of calibration devices of cast-in-place pile detection systems.
Background
The foundation pile ultrasonic method is used for detecting the integrity inside a foundation pile, and the sound velocity value directly influences the judgment of the integrity type of a pile body during detection, so that before the foundation pile ultrasonic method is used for detecting, the sound time of an ultrasonic detection system needs to be calibrated, and the calibration during the system sound time is an important link for completing the detection.
The existing calibration device is directly fixed with the transducer through a clamping device in the use process, wherein the clamping device brings attenuation influence on ultrasonic transmission in the calibration process, and errors exist in the calculation result.
When the existing calibration device is used outdoors, the level of a detection box body or a transducer cannot be ensured, the water level in the detection box body is not horizontal, the height of the transducer in a water medium is inconsistent, the ultrasonic transmission distance of the transducer is influenced, and the calculation result is not accurate.
In order to solve the problem that the conventional calibration device cannot obtain an accurate result of the acoustic time calibration of the transducer system, causes deviation in subsequent calculation of a sound velocity value, and further influences the judgment of integrity types, a person skilled in the art urgently needs to develop a calibration device for detecting the acoustic time of a cast-in-place pile system by an ultrasonic method.
SUMMERY OF THE UTILITY MODEL
The purpose is as follows: in order to overcome the defects in the prior art, the utility model provides a calibration device for detecting the sound of a cast-in-place pile system by an ultrasonic method.
The technical scheme is as follows: in order to solve the technical problems, the technical scheme adopted by the utility model is as follows:
a calibration device for detecting sound of a cast-in-place pile system by an ultrasonic method comprises a box body, wherein two sides of the top of the box body are respectively provided with a first guide rail, the first guide rails are movably connected with a first slider mounting seat, an upper cross rod is fixed between the first slider mounting seats, a first level meter is arranged on the upper cross rod, the upper cross rods on two sides of the first level meter are respectively movably connected with a second slider, and the front end of the second slider is provided with a clamping component; the upper cross rod is provided with length scales; the side surfaces of the first guide rails are provided with positioning grooves, the two positioning grooves are positioned on a horizontal line perpendicular to the first guide rails, telescopic clamping marbles matched with the positioning grooves are arranged in the first slider mounting seats, the side surfaces of the box body below the positioning grooves are vertically provided with second guide rails, the second guide rails are movably provided with second slider mounting seats, lower cross rods are fixed between the second slider mounting seats, second gradienters are arranged on the lower cross rods, the lower cross rods on the two sides of each second gradienter are respectively movably connected with third sliders, and clamping members are arranged at the front ends of the third sliders; the lower cross bar is provided with length scales; and length scales are arranged on the second guide rail.
As the preferred scheme, four angles of bottom of the box body are provided with bases, and adjustable feet are arranged on the bases.
As a preferred scheme, the first slider mounting seat comprises a body, an L-shaped clamping part is arranged at the front end of the body, a groove is formed in the body, a compression spring is arranged in the groove, and the free end of the compression spring is connected with a clamping marble; the free end of the L-shaped clamping portion is movably connected with a clamping groove in the first guide rail.
According to a preferable scheme, the clamping component comprises a body, a fixed clamping finger is arranged at one end of the body, a through groove is formed in the body, a worm is arranged in the through groove, a groove is formed in the side face of the body, a connecting rod is arranged in the groove in a moving mode, a movable clamping finger is fixed on the connecting rod, gear teeth are arranged on the connecting rod, and the gear teeth are meshed with the worm on the connecting rod.
According to a preferable scheme, the second slider mounting seat comprises a body, a sliding clamping block is arranged at the bottom of the body, the sliding clamping block is movably connected with a groove in the second guide rail, through threaded holes are formed in the body and the sliding clamping block, and a stop bolt is arranged in each threaded hole.
Preferably, the box body is made of transparent engineering plastics.
Preferably, the upper cross rod takes the center position of the first level gauge as a zero point, scales are symmetrically arranged, and the length of the scales is gradually increased to 700mm from 100 mm.
Preferably, the center of the second level gauge on the lower cross bar and the center of the first level gauge are arranged on the same vertical plane, scales are symmetrically arranged on the lower cross bar by taking the center position of the second level gauge as a zero point, and the length of the scales is gradually increased to 700mm from 100mm intervals.
Preferably, the upper cross bar and the lower cross bar are made of metal.
Preferably, the length of the box body is set to 1600mm, the width is set to 500mm, the height is set to 700mm, and the top is set to be an opening.
Has the advantages that: the calibration device for detecting the system sound of the cast-in-place pile by the ultrasonic method has the following beneficial effects:
1. according to the utility model, the first guide rail, the second guide rail, the upper cross bar and the lower cross bar are mutually matched, so that the ultrasonic transducers can be horizontally arranged and have consistent height in water. Through the design of two clamping component, ensure that ultrasonic transducer does not contact with the object except that aqueous medium, avoided ultrasonic transducer's signal attenuation and redundant cable to bring measurement accuracy to descend.
2. According to the utility model, through the design of the adjustable feet at the bottom of the box body and the adjustment of the height of the box body, the level of the water surface in the box can be met when the ground is not flat, and the reduction of the measurement precision caused by the inconsistent height of the ultrasonic transducers is avoided.
3. The method has the advantages of accurate distance measurement, stable and precise calibration process and improvement of the calibration accuracy of the ultrasonic transducer during sound.
Drawings
FIG. 1 is a schematic structural diagram of a calibration device of the present invention.
Fig. 2 is a schematic structural diagram of the first slider mounting base.
Fig. 3 is a schematic structural view of the holding member.
Fig. 4 is a front view structural view of the second slider mount.
Fig. 5 is a schematic diagram of the calibration device of the present invention.
Detailed Description
In the description of the present invention, unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "secured" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integral to; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The present invention will be further described with reference to the following examples.
As shown in fig. 1, the embodiment of the utility model discloses a calibration device for detecting the sound of a cast-in-place pile system by an ultrasonic method, which comprises a box body 1, wherein first guide rails 2 are respectively arranged on two sides of the top of the box body 1, first slider mounting seats 3 are movably connected to the first guide rails 2, an upper cross rod 4 is fixed between the first slider mounting seats 3, a first level 5 is arranged on the upper cross rod 4, second sliders 6 are respectively movably connected to the upper cross rods 4 on two sides of the first level 5, and a clamping member 7 is arranged at the front ends of the second sliders 6; the upper cross rod 4 is provided with length scales 8; the side surfaces of the first guide rails 2 are provided with positioning grooves 9, the two positioning grooves 9 are positioned on a horizontal line perpendicular to the first guide rails, telescopic clamping marbles matched with the positioning grooves are arranged in the first slider mounting seats 3, the side surfaces of the box body below the positioning grooves 9 are vertically provided with second guide rails 10, the second guide rails 10 are movably provided with second slider mounting seats 11, lower cross rods 12 are fixed between the second slider mounting seats 11, the lower cross rods 12 are provided with second gradienters 13, the lower cross rods 12 on the two sides of each second gradienter 13 are respectively movably connected with third sliders 14, and the front ends of the third sliders 14 are provided with clamping components 7; the lower cross bar 12 is provided with length scales 8; the second guide rail 10 is provided with a length scale 8.
Four angles in box 1 bottom all are provided with base 15, are provided with adjustable lower margin 16 on base 15, conveniently adjust the box height.
As shown in fig. 2, the first slider mounting base 3 includes a body 301, an L-shaped clamping portion 302 is disposed at the front end of the body 301, a groove is disposed in the body 301, a compression spring 303 is disposed in the groove, and a clamping ball 304 is connected to the free end of the compression spring 303; the free end of the L-shaped clamping portion 302 is movably connected with the clamping groove in the first guide rail, so that the L-shaped clamping portion can be accurately clamped in the positioning groove when the L-shaped clamping portion slides on the first guide rail.
As shown in fig. 3, the clamping member 7 includes a body 701, a fixed clamping finger 702 is disposed at one end of the body 701, a through groove 703 is disposed on the body 701, a worm 704 is disposed in the through groove 703, a groove is disposed on a side surface of the body 701, a connecting rod 705 is disposed in the groove, a movable clamping finger 706 is fixed on the connecting rod 705, gear teeth are disposed on the connecting rod 705, and the gear teeth on the connecting rod 705 are engaged with the worm 704, so that the clamping member can be adjusted conveniently, and a cable can be clamped accurately.
As shown in fig. 4, the second slider mounting seat 11 includes a body 1101, a sliding block 1102 is disposed at the bottom of the body 1101, the sliding block 1102 is movably connected with a groove on the second rail 10, through threaded holes are disposed on the body 1101 and the sliding block 1102, and a stop bolt 1103 is disposed in the threaded hole, so that height adjustment of the second slider mounting seat is facilitated, and the second slider mounting seat is fixed in the groove of the second rail.
Example 1:
the box adopts transparent engineering plastics material, and the length of box sets up to 1600mm, and the width sets up to 500mm, highly sets up to 700mm, and the top sets up to the opening for the splendid attire clear water. The positioning groove is arranged in the center of the first guide rail, the upper cross rod can be ensured to be positioned on the same vertical plane, the upper cross rod is symmetrically provided with scales by taking the center position of the first level meter as a zero point, and the length of the scales is gradually increased to 700mm from 100 mm. The center of a second level meter on the lower cross rod and the center of a first level meter are arranged on the same vertical plane, the lower cross rod takes the center position of the second level meter as a zero point, scales are symmetrically arranged, the length of the scales begins to be gradually increased to 700mm at intervals of 100mm, and the upper cross rod and the lower cross rod are made of metal.
Example 2:
as shown in figure 5, when the adjustable foot margin on the base at the bottom of the box body is adjusted, the first level gauge on the upper cross rod is positioned horizontally through the relative height of the adjustable foot margin bolt and the base, and therefore the whole box body is ensured to be positioned horizontally. The same positions of cables 18 at the upper ends of two ultrasonic transducers 17 are respectively fixed by a clamping component at the front end of a third sliding block, and the third sliding block is moved to set the distance between the ultrasonic transducers.
Secondly, unscrewing the stop bolt to move the second slider mounting seat, setting the height of the ultrasonic transducer in water according to the scales on the second guide rail, and calibrating by using a second level gauge, thereby further ensuring that the ultrasonic transducer is positioned at the same height. The first sliding block mounting seat is moved to the position of the first guide rail positioning groove, the clamping marble in the first sliding block mounting seat is popped out under the action of the compression spring and clamped in the positioning groove, and the upper cross rod and the lower cross rod are ensured to be positioned on the same vertical plane. The distance between the second sliding blocks is equal to the distance between the third sliding blocks, the cables above the third sliding blocks are straightened and are fixed through the clamping members on the second sliding blocks respectively, the redundant cables cannot interfere with detection, and the transmission precision is further increased.
And finally, filling the engineering plastic box body with clear water, starting the measuring instrument 19, reading the horizontal scale of the distance between the ultrasonic transducers and the vertical scale of the height in water, and collecting the sound time value at the corresponding scale. Then, the distance between the ultrasonic transducers and the height of the ultrasonic transducers in water are adjusted to obtain a plurality of groups of sound time values in different states, and the system sound time in different states is calculated according to the sound time values, and then the plurality of system sound time are averaged to obtain the final system sound time.
The device has accurate distance measurement, stable structure and precise measurement data in the calibration process, improves the calibration accuracy of the ultrasonic transducer system during sound, and avoids misjudgment of the abnormal sound velocity value of the detected pile caused by inaccurate calibration during the system sound.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the utility model and these are intended to be within the scope of the utility model.
Claims (10)
1. The utility model provides a calibration device that is used for ultrasonic method to detect bored concrete pile system sound time which characterized in that: the device comprises a box body, wherein first guide rails are respectively arranged on two sides of the top of the box body, first slider mounting seats are movably connected on the first guide rails, an upper cross rod is fixed between the first slider mounting seats, a first level meter is arranged on the upper cross rod, second sliders are respectively movably connected on the upper cross rods on two sides of the first level meter, and a clamping component is arranged at the front end of each second slider; the upper cross rod is provided with length scales; the side surfaces of the first guide rails are provided with positioning grooves, the two positioning grooves are positioned on a horizontal line perpendicular to the first guide rails, telescopic clamping marbles matched with the positioning grooves are arranged in the first slider mounting seats, the side surfaces of the box body below the positioning grooves are vertically provided with second guide rails, the second guide rails are movably provided with second slider mounting seats, lower cross rods are fixed between the second slider mounting seats, second gradienters are arranged on the lower cross rods, the lower cross rods on the two sides of each second gradienter are respectively movably connected with third sliders, and clamping members are arranged at the front ends of the third sliders; the lower cross bar is provided with length scales; and length scales are arranged on the second guide rail.
2. The calibrating device for detecting the sound of the cast-in-place pile system by the ultrasonic method according to claim 1, wherein: four angles of bottom half all are provided with the base, are provided with adjustable lower margin on the base.
3. The calibrating device for detecting the sound of the cast-in-place pile system by the ultrasonic method according to claim 1, wherein: the first slider mounting seat comprises a body, an L-shaped clamping part is arranged at the front end of the body, a groove is formed in the body, a compression spring is arranged in the groove, and the free end of the compression spring is connected with a clamping marble; the free end of the L-shaped clamping portion is movably connected with a clamping groove in the first guide rail.
4. The calibrating device for detecting the sound of the cast-in-place pile system by the ultrasonic method according to claim 1, wherein: the clamping component comprises a body, wherein one end of the body is provided with a fixed clamping finger, the body is provided with a through groove, a worm is arranged in the through groove, the side surface of the body is provided with a groove, a connecting rod is arranged in the groove, the connecting rod is fixedly provided with a movable clamping finger, the connecting rod is provided with gear teeth, and the gear teeth on the connecting rod are meshed with the worm.
5. The calibrating device for detecting the sound of the cast-in-place pile system by the ultrasonic method according to claim 1, wherein: the second slider mounting seat comprises a body, a sliding clamping block is arranged at the bottom of the body, the sliding clamping block is movably connected with a groove in the second guide rail, threaded holes which are communicated are formed in the body and the sliding clamping block, and stop bolts are arranged in the threaded holes.
6. The calibrating device for detecting the sound of the cast-in-place pile system by the ultrasonic method according to claim 1, wherein: the box body is made of transparent engineering plastics.
7. The calibrating device for detecting the sound of the cast-in-place pile system by the ultrasonic method according to claim 1, wherein: the upper cross rod takes the center position of the first level gauge as a zero point, scales are symmetrically arranged, and the length of the scales is gradually increased to 700mm from 100 mm.
8. The calibrating device for detecting the sound of the cast-in-place pile system by the ultrasonic method according to claim 1, wherein: the center of a second level meter on the lower cross rod and the center of a first level meter are arranged on the same vertical plane, the lower cross rod takes the center position of the second level meter as a zero point, scales are symmetrically arranged, and the length of the scales begins to be gradually increased to 700mm at intervals of 100 mm.
9. The calibrating device for detecting the sound of the cast-in-place pile system by the ultrasonic method according to claim 1, wherein: the upper cross rod and the lower cross rod are made of metal.
10. The calibrating device for detecting the sound of the cast-in-place pile system by the ultrasonic method according to claim 1, wherein: the length of box sets up to 1600mm, and the width sets up to 500mm, and the height sets up to 700mm, and the top sets up to the opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122057693.6U CN216132991U (en) | 2021-08-30 | 2021-08-30 | Calibration device for detecting sound of cast-in-place pile system by ultrasonic method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122057693.6U CN216132991U (en) | 2021-08-30 | 2021-08-30 | Calibration device for detecting sound of cast-in-place pile system by ultrasonic method |
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| Publication Number | Publication Date |
|---|---|
| CN216132991U true CN216132991U (en) | 2022-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122057693.6U Active CN216132991U (en) | 2021-08-30 | 2021-08-30 | Calibration device for detecting sound of cast-in-place pile system by ultrasonic method |
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| Country | Link |
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| CN (1) | CN216132991U (en) |
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2021
- 2021-08-30 CN CN202122057693.6U patent/CN216132991U/en active Active
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Effective date of registration: 20220429 Address after: 210000 9 Ziyun Avenue, Qinhuai District, Nanjing, Jiangsu Province Patentee after: China Design Group Co.,Ltd. Patentee after: Huashe Testing Technology Co.,Ltd. Address before: 210014 No. 9 Ziyun Avenue, Qinhuai District, Nanjing City, Jiangsu Province Patentee before: China Design Group Co.,Ltd. |