Zero sound time calibration testing device

Abstract

The utility model discloses a zero-sound time calibration testing device, which relates to the technical field of building detection, and comprises a container, a transmitting probe and a receiving probe, the inner wall of the container is fixedly connected with a support frame, and the inner side of the support frame is detachably provided with a bearing frame; the bearing frame is used for supporting the transmitting probe and the receiving probe, two clamping mechanisms are installed inside and outside the bearing frame, and the two clamping mechanisms are used for clamping and positioning the transmitting probe and the receiving probe respectively. By arranging the clamping mechanism, the two first connecting rods in the inward contraction state drive the two clamping plates to move close to each other, and the two clamping plates in the close state clamp and position the transmitting probe or the receiving probe, so that the stability of the transmitting probe or the receiving probe placed on the bearing frame is improved; and the positions of the two clamping plates can be freely moved and adjusted along with the position of the transmitting probe or the receiving probe, so that the practicability is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of building detection, in particular to a zero-sound time calibration test device. Background Art

[0002] When using the acoustic wave transmission method to detect the integrity of the pile body, a complete detection system includes an ultrasonic detector and a transmitting transducer and a receiving transducer respectively connected to the ultrasonic detector. The electrical signal generated by the ultrasonic detector is converted into an acoustic signal after passing through the transmitting transducer. The acoustic signal passes through the object to be tested and reaches the receiving transducer, and then is converted into an electrical signal to reach the ultrasonic detector, thereby completing the entire test. The time recorded by the ultrasonic detector includes the travel time of the electrical signal generated by the ultrasonic detector through the cable to reach the transmitting transducer, the travel time of the two transducers converting the electrical signal into an acoustic signal, the travel time of the acoustic signal through the two transducer shells, and the travel time of the acoustic signal through the object to be tested. In fact, the final test result is only related to the travel time of the acoustic signal through the object to be tested. Therefore, it is necessary to subtract other travel times. Among them, the travel time of the electrical signal generated by the ultrasonic detector through the cable to reach the transmitting transducer is called the zero sound of the detection system. Due to the different manufacturers of ultrasonic detectors and transducers, the initial zero sound time of the ultrasonic detector is different. Therefore, the industry detection technical specifications require that the detection system needs to be tested for zero sound time before the pile body integrity test is carried out.

[0003] The existing zero-sound time calibration test device is to install a carrier frame inside a container, and place the transmitting probe and the receiving probe inside the through hole of the carrier frame. The distance between two adjacent through holes can accurately reflect the actual distance between the receiving probe and the transmitting probe, thereby ensuring the final zero-sound time detection accuracy. However, the container is filled with water, and the water is in a liquid state. During the detection, parts of the receiving probe and the transmitting probe will be located below the water surface, and the water may easily cause the receiving probe and the transmitting probe to shake, affecting the accuracy of the detection. Utility Model Content

[0004] The utility model aims to provide a zero-sound time calibration test device in order to solve the problem that a receiving probe and a transmitting probe are prone to shaking.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a zero-sound time calibration test device, comprising a container, a transmitting probe, and a receiving probe, the inner wall of the container is fixedly connected to a support frame, the inner side of the support frame is detachably mounted with a carrier frame, the carrier frame is used to support the transmitting probe and the receiving probe, two clamping mechanisms are installed inside and outside the carrier frame, the two clamping mechanisms are respectively used to clamp and position the transmitting probe and the receiving probe; the clamping mechanism comprises a moving assembly, a clamping plate assembly, and a snap assembly; the moving assembly is used to assist the clamping plate assembly in moving; the clamping plate assembly is used to clamp and position the transmitting probe and the receiving probe; the snap assembly is used to lock and fix the position of the clamping plate assembly.

[0006] As a further solution of the utility model: the moving component includes two "T"-shaped slide grooves and a "T"-shaped slider; the two "T"-shaped slide grooves are respectively opened on both sides of the outer wall of the carrier frame, and the two "T"-shaped slide grooves are symmetrically arranged, and the "T"-shaped slider is slidably connected to the inside of the "T"-shaped slide groove and extends to the outside.

[0007] As a further solution of the utility model: the splint assembly includes a splint, a bracket, a sliding rod, a moving block, a first connecting rod, and a second connecting rod; the bracket is fixedly connected to the end of the "T"-shaped slider, the sliding rod is slidably connected to the inside of the top end of the bracket and extends to the outside thereof, the moving block is fixedly connected to the end of the sliding rod, one end of the first connecting rod is rotatably connected to the protrusion of the bracket, one end of the second connecting rod is rotatably connected to one end of the moving block, and the other end of the second connecting rod is rotatably connected to the bending point of the first connecting rod, and the splint is fixedly connected to the other end of the first connecting rod.

[0008] As a further solution of the utility model: the buckle assembly includes a telescopic rod, a spring, a slot, and a block; the telescopic rod includes a fixed part and a movable part, and the movable part is slidably connected to the inner cavity of the fixed part up and down; the fixed part of the telescopic rod is fixedly connected to the bottom end of the movable block, the spring is sleeved on the outside of the telescopic rod, the block is fixedly connected to the bottom end of the movable part of the telescopic rod, and the two ends of the spring are respectively fixedly connected to the movable block and the block, and the slot is opened at the top of the carrier.

[0009] As a further solution of the utility model: the clamping plate is in an arc-shaped structure, and a rubber pad is provided on the inner wall of the clamping plate, and the rubber pad is used to increase the friction force in contact with the transmitting probe and the receiving probe.

[0010] As a further solution of the utility model: the card block is an elastic hemispherical structure, the number of the card slots is multiple and equidistantly distributed; the card block and a card slot in the aligned state are engaged with each other, and the card block and a card slot in the engaged state are used to lock and fix the movement of the "T"-shaped slider.

[0011] As a further solution of the utility model: the sliding rod in the moving state is used to drive the two clamps to move closer or farther away, the two clamps in the close state are used to clamp and position the transmitting probe or the receiving probe, and the two clamps in the far away state are used to release the clamping and positioning of the transmitting probe or the receiving probe.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] By setting up a clamping mechanism, the two first connecting rods in the inwardly retracted state drive the two clamps to move closer to each other, and the two clamps in the close state clamp and position the transmitting probe or the receiving probe, thereby improving the stability of the transmitting probe or the receiving probe placed on the carrier frame, and the position of the two clamps can be freely moved and adjusted according to the position of the transmitting probe or the receiving probe, which is more practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the cross-sectional structure of the container of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the clamping mechanism of the utility model;

[0016] Figure 3 For the utility model Figure 2 Schematic diagram of the structure of A;

[0017] Figure 4 This is a schematic structural diagram of the clamping mechanism of the utility model from another perspective.

[0018] In the figure: 1. container; 2. support frame; 3. bearing frame; 4. transmitting probe; 5. receiving probe; 6. clamping mechanism; 601. "T"-shaped slide groove; 602. "T"-shaped slider; 603. clamping plate; 604. bracket; 605. slide rod; 606. telescopic rod; 607. spring; 608. moving block; 609. first connecting rod; 6010. second connecting rod; 6011. slot; 6012. block; 7. rubber pad. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figures 1 to 4 In an embodiment of the utility model, a zero-sound time calibration test device includes a container 1, a transmitting probe 4, and a receiving probe 5. The inner wall of the container 1 is fixedly connected to a support frame 2, and a carrier frame 3 is detachably installed on the inner side of the support frame 2. The carrier frame 3 is used to support the transmitting probe 4 and the receiving probe 5. Two clamping mechanisms 6 are installed inside and outside the carrier frame 3. The two clamping mechanisms 6 are respectively used to clamp and position the transmitting probe 4 and the receiving probe 5.

[0021] The clamping mechanism 6 includes a moving component, a clamping plate component, and a buckle component; the moving component is used to assist the clamping plate component in moving; the clamping plate component is used to clamp and position the transmitting probe 4 and the receiving probe 5; the buckle component is used to lock and fix the position of the clamping plate component.

[0022] In this embodiment: at least three through holes are opened on the carrier 3 at equal intervals, so that the transmitting probe 4 can be placed in one of the through holes, and the receiving probe 5 can be placed in the other through hole. Since the distance between two adjacent through holes can accurately reflect the actual distance between the receiving probe 5 and the transmitting probe 4, the final detection accuracy of zero sound can be guaranteed, and the distance between two adjacent through holes is fixed. Therefore, it is only necessary to measure the distance between any two adjacent through holes during the first detection to accurately determine the actual distance between the transmitting probe 4 and the receiving probe 5, without measuring the distance between the receiving probe 5 and the transmitting probe 4 each time, thereby improving the detection efficiency of zero sound, and the carrier 3 keeps the receiving probe 5 and the transmitting probe 4 at the same height and in parallel, thereby ensuring the accuracy of calibration.

[0023] When the receiving probe 5 and the transmitting probe 4 are placed on the carrier 3, the receiving probe 5 and the transmitting probe 4 need to be clamped and positioned. At this time, the hand holds the bracket 604 to drive the "T"-shaped slider 602 to move along the track of the "T"-shaped slide groove 601, and moves the clamping plate 603 to the corresponding through-hole position where the receiving probe 5 or the transmitting probe 4 is placed. Then, the hand holds the slide bar 605 and moves it away from the carrier 3, so that the moving slide bar 605 drives the moving block 608 to move, and at the same time, the moving slide bar 605 drives the two first connecting rods 60 9 is rotated, and the moving block 608 in the moving state drives one end of the two second connecting rods 6010 to rotate, so that the other ends of the two second connecting rods 6010 rotate around the bending points of the two first connecting rods 609, and the two second connecting rods 6010 are in an outward expansion state, while the two first connecting rods 609 are in an inward contraction state, so that the two first connecting rods 609 in the inward contraction state drive the two clamps 603 to move closer to each other, and the two clamps 603 in the close state clamp and position the transmitting probe 4 or the receiving probe 5.

[0024] When the moving block 608 moves horizontally, when the moving block 608 drives the telescopic rod 606 and the card block 6012 on the spring 607 to move to a position aligned with a card slot 6011, the telescopic rod 606 and the spring 607 in the reset state drive the card block 6012 to move downward, so that the card block 6012 is deformed by force and snaps into a card slot 6011. The card block 6012 and the card slot 6011 in the snapped state lock and fix the movement of the "T"-shaped slider 602, so that the moving position of the two clamps 603 is locked and fixed, thereby completing the operation of clamping and positioning the transmitting probe 4 or the receiving probe 5.

[0025] Please refer to Figure 2 The moving component includes two "T"-shaped slide grooves 601 and a "T"-shaped slider 602; the two "T"-shaped slide grooves 601 are respectively opened on both sides of the outer wall of the carrier frame 3, and the two "T"-shaped slide grooves 601 are symmetrically arranged, and the "T"-shaped slider 602 is slidably connected to the inside of the "T"-shaped slide groove 601 and extends to the outside thereof.

[0026] In this embodiment: by holding the bracket 604 by hand, the "T"-shaped slider 602 is driven to move along the track of the "T"-shaped slide groove 601, and the clamping plate 603 is moved to the corresponding through-hole position where the receiving probe 5 or the transmitting probe 4 is placed.

[0027] Please refer to Figure 4The splint assembly includes a splint 603, a bracket 604, a slide rod 605, a moving block 608, a first connecting rod 609, and a second connecting rod 6010; the bracket 604 is fixedly connected to the end of the "T"-shaped slider 602, the slide rod 605 is slidably connected to the top of the bracket 604 and extends to the outside thereof, the moving block 608 is fixedly connected to the end of the slide rod 605, one end of the first connecting rod 609 is rotatably connected to the protrusion of the bracket 604, one end of the second connecting rod 6010 is rotatably connected to one end of the moving block 608, and the other end of the second connecting rod 6010 is rotatably connected to the bending point of the first connecting rod 609, and the splint 603 is fixedly connected to the other end of the first connecting rod 609.

[0028] In this embodiment: by holding the sliding rod 605 with the hand and moving it in the direction away from the supporting frame 3, the sliding rod 605 in the moving state drives the moving block 608 to move, and at the same time, the sliding rod 605 in the moving state drives one end of the two first connecting rods 609 to rotate, and the moving block 608 in the moving state drives one end of the two second connecting rods 6010 to rotate, so that the other ends of the two second connecting rods 6010 rotate around the bending point of the two first connecting rods 609, and the two second connecting rods 6010 are in an outward expansion state, while the two first connecting rods 609 are in an inward contraction state, so that the two first connecting rods 609 in the inward contraction state drive the two clamps 603 to move closer to each other, and the two clamps 603 in the close state clamp and position the transmitting probe 4 or the receiving probe 5.

[0029] Please refer to Figure 3 The buckle assembly includes a telescopic rod 606, a spring 607, a slot 6011, and a block 6012; the telescopic rod 606 includes a fixed part and a movable part, and the movable part is slidably connected to the inner cavity of the fixed part up and down; the fixed part of the telescopic rod 606 is fixedly connected to the bottom end of the movable block 608, the spring 607 is sleeved on the outside of the telescopic rod 606, the block 6012 is fixedly connected to the bottom end of the movable part of the telescopic rod 606, and the two ends of the spring 607 are respectively fixedly connected to the movable block 608 and the block 6012, and the slot 6011 is opened at the top of the carrier 3.

[0030] In this embodiment: when the moving block 608 drives the telescopic rod 606 and the card block 6012 on the spring 607 to move to a position aligned with a card slot 6011, the telescopic rod 606 and the spring 607 in the reset state drive the card block 6012 to move downward, so that the card block 6012 is deformed by force and snaps into a card slot 6011. The card block 6012 and the card slot 6011 in the snapped state lock and fix the movement of the "T"-shaped slider 602, so that the moving position of the two clamps 603 is locked and fixed, thereby completing the operation of clamping and positioning the transmitting probe 4 or the receiving probe 5.

[0031] Please refer to Figure 4The clamping plate 603 has an arc-shaped structure, and a rubber pad 7 is provided on the inner wall of the clamping plate 603 . The rubber pad 7 is used to increase the friction force in contact with the transmitting probe 4 and the receiving probe 5 .

[0032] In this embodiment: the two clamping plates 603 are used to clamp and position the transmitting probe 4 or the receiving probe 5, and the two clamping plates 603 drive the rubber pad 7 to contact the surface of the transmitting probe 4 or the receiving probe 5, so that the rubber pad 7 increases the friction force of contact with the transmitting probe 4 and the receiving probe 5, so that the clamping force of the two clamping plates 603 on the transmitting probe 4 or the receiving probe 5 is more stable and firm.

[0033] Please refer to Figure 3 The card block 6012 has an elastic hemispherical structure, and the number of the card slots 6011 is multiple and equidistantly distributed; the card block 6012 in the aligned state and a card slot 6011 are engaged with each other, and the card block 6012 and a card slot 6011 in the engaged state are used to lock and fix the movement of the "T"-shaped slider 602.

[0034] In this embodiment, the clamping block 6012 is deformed by force and clamped into a clamping slot 6011. The clamping block 6012 and the clamping slot 6011 in the clamped state lock and fix the movement of the "T"-shaped slider 602, so that the moving positions of the two clamping plates 603 are locked and fixed.

[0035] Please refer to Figure 4 The sliding bar 605 in the moving state is used to drive the two clamps 603 to move closer or farther away. The two clamps 603 in the approaching state are used to clamp and position the transmitting probe 4 or the receiving probe 5, and the two clamps 603 in the farther state are used to release the clamping and positioning of the transmitting probe 4 or the receiving probe 5.

[0036] In this embodiment, the two first connecting rods 609 in the inwardly contracted state drive the two clamping plates 603 to move closer to each other, and the two clamping plates 603 in the close state clamp and position the transmitting probe 4 or the receiving probe 5.

[0037] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A zero-sound time calibration test device, comprising a container (1), a transmitting probe (4), and a receiving probe (5), wherein a support frame (2) is fixedly connected to the inner wall of the container (1), a bearing frame (3) is detachably mounted on the inner side of the supporting frame (2), and the bearing frame (3) is used to support the transmitting probe (4) and the receiving probe (5), characterized in that: Two clamping mechanisms (6) are installed inside and outside the carrier (3); the clamping mechanism (6) comprises a moving assembly, a clamping plate assembly, and a buckle assembly; the moving assembly is used to assist the clamping plate assembly in moving; the clamping plate assembly is used to clamp and position the transmitting probe (4) and the receiving probe (5); and the buckle assembly is used to lock and fix the position of the clamping plate assembly.

2. A zero-sound time calibration test device according to claim 1, characterized in that: The moving assembly comprises two "T"-shaped slide grooves (601) and a "T"-shaped slider (602); the two "T"-shaped slide grooves (601) are respectively opened on both sides of the outer wall of the supporting frame (3), and the two "T"-shaped slide grooves (601) are symmetrically arranged, and the "T"-shaped slider (602) is slidably connected to the inside of the "T"-shaped slide groove (601) and extends to the outside thereof.

3. A zero-sound time calibration test device according to claim 2, characterized in that: The splint assembly comprises a splint (603), a bracket (604), a sliding rod (605), a moving block (608), a first connecting rod (609), and a second connecting rod (6010); the bracket (604) is fixedly connected to the end of the "T"-shaped sliding block (602); the sliding rod (605) is slidably connected to the top of the bracket (604) and extends to the outside; the moving block (608) is fixedly connected to the end of the sliding rod (605); one end of the first connecting rod (609) is rotatably connected to the protruding portion of the bracket (604); one end of the second connecting rod (6010) is rotatably connected to one end of the moving block (608); and the other end of the second connecting rod (6010) is rotatably connected to the bending point of the first connecting rod (609); and the splint (603) is fixedly connected to the other end of the first connecting rod (609).

4. A zero-sound time calibration test device according to claim 3, characterized in that: The buckle assembly comprises a telescopic rod (606), a spring (607), a slot (6011), and a block (6012); the telescopic rod (606) comprises a fixed portion and a movable portion, and the movable portion is slidably connected to the inner cavity of the fixed portion up and down; the fixed portion of the telescopic rod (606) is fixedly connected to the bottom end of the movable block (608), the spring (607) is sleeved on the outside of the telescopic rod (606), the block (6012) is fixedly connected to the bottom end of the movable portion of the telescopic rod (606), and the two ends of the spring (607) are respectively fixedly connected to the movable block (608) and the block (6012), and the slot (6011) is opened at the top end of the carrier (3).

5. A zero-sound time calibration test device according to claim 3, characterized in that: The clamping plate (603) has an arc-shaped structure, and a rubber pad (7) is provided on the inner wall of the clamping plate (603).

6. A zero-sound time calibration test device according to claim 4, characterized in that: The clamping block (6012) is in the form of an elastic hemispherical structure, and the clamping slots (6011) are multiple and equidistantly distributed; the clamping block (6012) and a clamping slot (6011) in an aligned state are engaged with each other, and the clamping block (6012) and a clamping slot (6011) in an engaged state are used to lock and fix the movement of the "T"-shaped slider (602).

7. A zero-sound time calibration test device according to claim 3, characterized in that: The sliding bar (605) in the moving state is used to drive the two clamping plates (603) to move closer or farther away from each other; the two clamping plates (603) in the closer state are used to clamp and position the transmitting probe (4) or the receiving probe (5); and the two clamping plates (603) in the farther state are used to release the clamping and positioning of the transmitting probe (4) or the receiving probe (5).

Images