Detection equipment for ultrasonic inspection of quality of diaphragm wall H-shaped steel joint

Abstract

The utility model belongs to the technical field of metro civil engineering, and particularly relates to an ultrasonic inspection underground diaphragm wall H-shaped steel joint quality detection device which comprises an ultrasonic grooving quality detector, two grooved steel frames distributed at an interval, and a plurality of auxiliary traveling wheels mounted at four corners of the bottom surface of the ultrasonic grooving quality detector, the main walking wheel is embedded into a groove of the steel frame with the groove; the two connecting transverse plates are symmetrically distributed and connected between the two steel frames with the grooves; the moving mechanism comprises a mounting plate mounted below the connecting transverse plate and auxiliary traveling wheels mounted on the bottom surface of the mounting plate; according to the ultrasonic grooving quality detector, the position of the ultrasonic grooving quality detector can be conveniently adjusted when necessary through the arranged moving mechanism, detection errors caused by probe deviation, groove wall deviation and the like are avoided, meanwhile, the detection position can be conveniently adjusted, detection can be carried out from different positions, and the accuracy of a detection result is higher.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of subway civil engineering, and particularly relates to an ultrasonic inspection diaphragm wall H-shaped steel joint quality detection equipment. BACKGROUND

[0002] The underground continuous wall is a foundation engineering that adopts a kind of trenching machinery on the ground, and a long and narrow deep trench is excavated along the peripheral axis of deep excavation engineering under the condition of slurry support wall, the diaphragm wall is widely used in large suspension bridge anchorage, municipal deep foundation pit, subway tunnel engineering and water conservancy dam cutoff wall, and the H-shaped steel joint is the most common form of diaphragm wall joint.

[0003] In order to meet the thickness requirement of concrete protective layer and ensure that the reinforcement cage can be smoothly lowered, the width of the H-shaped steel is less than the width of the slot, if not handled properly, when pouring concrete, the concrete will flow from the gap between the H-shaped steel joint and the slot hole wall to the next slot section, so that the H-shaped steel joint cannot be cleaned when the next slot section is excavated, which affects the construction quality of the diaphragm wall, therefore, in actual construction, it is necessary to use equipment to detect whether the underground continuous wall H-shaped steel joint exists concrete turbulence or soil block.

[0004] At present, the ultrasonic slot quality detector is the most commonly used underground continuous wall H-shaped steel joint quality detector, which realizes detection by using the principle that different substances reflect different sound waves.

[0005] In the prior art, when detecting the underground continuous wall H-shaped steel joint, a support for supporting the ultrasonic slot quality detector needs to be arranged on the top of the underground continuous wall, the support usually spans the top of the underground continuous wall, however, in actual use, it is usually necessary to change the detection position according to specific conditions, such as probe offset, slot wall offset or detection of different positions, workers need to carry the ultrasonic slot quality detector and reposition the support, which is more troublesome.

[0006] To solve the above problems, the utility model provides an ultrasonic inspection diaphragm wall H-shaped steel joint quality detection equipment. UTILITY MODEL CONTENTS

[0007] To solve the above problems in the prior art, the utility model provides an ultrasonic inspection diaphragm wall H-shaped steel joint quality detection equipment, which has the characteristics of convenient use and easy adjustment.

[0008] To achieve the above purpose, the utility model provides the following technical scheme: an ultrasonic inspection diaphragm wall H-shaped steel joint quality detection equipment, comprising an ultrasonic slot quality detector, main traveling wheels are arranged on the bottom surface of the ultrasonic slot quality detector, and the equipment further comprises:

[0009] Two said channel steel frames are symmetrically arranged and cross the top of the underground continuous wall, and the main walking wheels are embedded in the channels of the channel steel frames;

[0010] Two said connecting horizontal plates are symmetrically arranged and connected between the two channel steel frames.

[0011] The moving mechanism comprises a mounting plate mounted below the connecting horizontal plate and a secondary walking wheel mounted on the bottom surface of the mounting plate.

[0012] The moving mechanism further comprises:

[0013] An adjusting screw is mounted on the connecting horizontal plate through screwing, and the bottom end of the adjusting screw is rotatably connected to the mounting plate through a bearing after penetrating the connecting horizontal plate.

[0014] The moving mechanism further comprises:

[0015] Two guide columns are symmetrically fixed to the top surface of the mounting plate and penetrate the connecting horizontal plate.

[0016] The moving mechanism further comprises:

[0017] A cross knob is fixed to the top end of the adjusting screw.

[0018] The two secondary walking wheels are symmetrically mounted on the bottom surface of the mounting plate.

[0019] The adjusting mechanism comprises:

[0020] A threaded screw rod is fixed to the outer wall of the channel steel frame.

[0021] Adjusting nuts are arranged on the connecting horizontal plate, and the end of the threaded screw rod away from the channel steel frame is embedded in the adjusting hole, and adjusting nuts are arranged on the inner and outer sides of the adjusting hole through screwing.

[0022] The threaded screw rod is welded to the outer wall of the channel steel frame.

[0023] The channel steel frame is an H-shaped steel structure.

[0024] Compared with the prior art, the ultrasonic groove forming quality detector has the advantages that:

[0025] In the utility model, the moving mechanism is arranged, so that the position of the ultrasonic groove forming quality detector can be adjusted when necessary, the detection error caused by the probe deviation and the groove wall deviation is avoided, the detection position can be adjusted, the detection is carried out from different positions, and the detection result is more accurate.

[0026] The other additional advantages and beneficial effects of the utility model will be partly given in the following description, will become obvious from the following description, or will be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0027] The accompanying drawings are used to provide further understanding of the utility model, and constitute a part of the specification, are used to explain the utility model together with embodiments of the utility model, and do not constitute the limitation to the utility model.In the drawings:

[0028] Figure 1 It is the structural schematic diagram of the utility model;

[0029] Figure 2 It is the moving mechanism isometric structural schematic diagram in the utility model;

[0030] Figure 3 It is the adjustment mechanism enlarged structural schematic diagram in the utility model Figure 2 .

[0031] In the drawing: 1, ultrasonic groove forming quality detector;2, main walking wheel;3, with groove steel frame;4, connecting cross plate;41, adjustment hole;5, adjustment mechanism;51, threaded screw;52, adjusting nut;6, moving mechanism;61, mounting plate;62, auxiliary walking wheel;63, adjusting screw;64, guide column;65, cross knob. DETAILED DESCRIPTION

[0032] The technical scheme in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments.Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the utility model.

[0033] Please refer to Figures 1-3 , the utility model provides the following technical scheme: a kind of ultrasonic inspection diaphragm wall H-shaped steel joint quality detection equipment, including ultrasonic groove forming quality detector 1, ultrasonic groove forming quality detector 1 bottom surface four corners are equipped with main walking wheel 2, still include: with groove steel frame 3, connecting cross plate 4 and moving mechanism 6.

[0034] Further, as shown in Figure 1 and Figure 2 In the embodiment, two grooved steel frames 3 are spaced apart and span the top of the underground continuous wall, the main walking wheel 2 is embedded in the groove of the grooved steel frame 3, and two connecting cross plates 4 are symmetrically distributed and connected between the two grooved steel frames 3. The moving mechanism 6 includes a mounting plate 61 mounted below the connecting cross plate 4 and a secondary walking wheel 62 mounted on the bottom surface of the mounting plate 61. After using the above scheme, two grooved steel frames 3 are first arranged on the top of the underground wall for supporting the ultrasonic grooving quality detector 1, and the ultrasonic grooving quality detector 1 can move on the grooved steel frame 3. The ultrasonic grooving quality detector 1 is connected to the power supply to power the motor, so that the ultrasonic probe is immersed in the underground continuous wall to detect the H-shaped steel. Because the acoustic impedance of the mud is much smaller than that of the soil (or rock) medium, the ultrasonic wave is almost completely reflected from the inner wall of the underground continuous wall, and the reflected wave is received by the receiving transducer after propagating through the mud. The construction quality of the H-shaped steel joint of the underground wall is detected by using this principle; if necessary, the main walking wheel 2 can be used to move along the length direction of the two grooved steel frames 3, and the secondary walking wheel 62 can also be used to move the ultrasonic grooving quality detector 1 and the two grooved steel frames 3 along the length direction of the underground wall, so as to adjust the position of the ultrasonic grooving quality detector 1, avoid detection errors caused by probe deviation, groove wall deviation, etc., and facilitate adjustment of the detection position. From different positions, the detection result is more accurate.

[0035] It should be noted that the ultrasonic grooving quality detector 1 is a conventional equipment purchased in the market, and generally includes a main control box, a wireless tablet (notebook computer), a numerical control winch, and an ultrasonic probe. The ultrasonic probe is fixed on the numerical control winch and automatically rises and falls. The main control box is highly integrated with the numerical control winch. The numerical control winch is connected to a 220V power supply to power the motor. The wireless tablet is connected to the numerical control winch through wifi for controlling the numerical control winch and displaying the detection result curve. In addition, the transducer is fixed on the ultrasonic probe for receiving the reflected wave.

[0036] It should be noted that the specific composition and working principle of the ultrasonic grooving quality detector 1 are both existing technologies, and will not be described in detail herein.

[0037] Preferably, by Figure 1 and Figure 2As shown in the drawings, in the embodiment, the moving mechanism 6 further comprises an adjusting screw 63, the adjusting screw 63 is installed on the connecting plate 4 in a threaded manner, and the bottom end of the adjusting screw 63 is rotatably connected to the mounting plate 61 through a bearing after penetrating through the connecting plate 4. After the above scheme is adopted, during use, the mounting plate 61 can be lifted under the threaded action by rotating the adjusting screw 63. When it is necessary to adjust the position of the ultrasonic groove quality detector 1, the auxiliary traveling wheel 62 is grounded. During detection, the auxiliary traveling wheel 62 is away from the ground, and the stability of the ultrasonic groove quality detector 1 is ensured.

[0038] In addition, the height of the auxiliary traveling wheel 62 can be adjusted by the adjusting screw 63, so that the auxiliary traveling wheel 62 can reliably contact the ground.

[0039] Preferably, by Figure 1 and Figure 2 As shown in the drawings, in the embodiment, the moving mechanism 6 further comprises two guide columns 64, the two guide columns 64 are fixed to the top surface of the mounting plate 61 in a symmetrical manner, and the guide columns 64 penetrate through the connecting plate 4. After the above scheme is adopted, during use, the two guide columns 64 are used for guiding the mounting plate 61, and the stability of the mounting plate 61 is improved.

[0040] Preferably, by Figure 1 and Figure 2 As shown in the drawings, in the embodiment, the moving mechanism 6 further comprises a cross knob 65, the cross knob 65 is fixed to the top end of the adjusting screw 63. After the above scheme is adopted, during use, the cross knob 65 is easy to rotate the adjusting screw 63.

[0041] Preferably, by Figure 1 and Figure 2 As shown in the drawings, in the embodiment, the two auxiliary traveling wheels 62 are symmetrically installed on the bottom surface of the mounting plate 61. After the above scheme is adopted, two auxiliary traveling wheels 62 are designed on the same side, and the stability is higher. In addition, the auxiliary traveling wheel 62 has a certain width, so that the contact area with the ground is sufficient, and the stability is high.

[0042] Preferably, by Figures 1-3As shown, in the embodiment, the adjusting mechanism 5 is further included, and the adjusting mechanism 5 comprises: a threaded screw rod 51 fixed to the outer wall of the channel steel frame 3, an adjusting hole 41 is processed on the connecting plate 4, the threaded screw rod 51 is embedded into the adjusting hole 41 away from the channel steel frame 3, and the adjusting nuts 52 are arranged on the threaded screw rod 51 through threaded screwing on the inner side and the outer side of the adjusting hole 41, and the adjusting nuts 52 are rotated by using a wrench to adjust the initial spacing of the two channel steel frames 3, so that the width of the ultrasonic channeling quality detector 1 is adapted, and the two channel steel frames 3 are stably connected as a whole, and the stability is improved.

[0043] Optionally, by Figures 1-3 As shown, in the embodiment, the threaded screw rod 51 is welded and fixed to the outer wall of the channel steel frame 3, and the stability is high.

[0044] Preferably, by Figures 1-3 As shown, in the embodiment, the channel steel frame 3 is an "H" type steel structure, and the bottom end of the "H" type channel steel frame 3 can be stably engaged with the top of the underground connecting wall, so that the problem of accidental sliding of the channel steel frame 3 in use is effectively avoided, and the stability is improved, and it should be noted that if the stability requirement is not high or the existing means can guarantee the stability of the channel steel frame 3, the channel steel frame 3 can also adopt a "U" type steel structure.

[0045] The circuit connection is a common means adopted by those skilled in the art, and technical inspiration can be obtained through limited tests, and belongs to the prior art.

[0046] The components not described in detail herein are prior art.

[0047] The working principle and use process of the utility model are as follows: when the detection equipment of the utility model is used, two channel steel frames 3 are arranged on the top of the underground connecting wall for supporting the ultrasonic channeling quality detector 1, if necessary, the adjusting nuts 52 on the inner side and the outer side of the adjusting hole 41 are rotated by using a wrench to adjust the initial spacing of the two channel steel frames 3, so that the width of the ultrasonic channeling quality detector 1 is adapted;

[0048] The motor is powered by the external power supply of the ultrasonic channeling quality detector 1, so that the ultrasonic probe is sunk into the underground continuous wall to detect the H type steel, because the acoustic impedance of the mud is far less than the acoustic impedance of the soil (or rock) medium, the ultrasonic wave is almost completely reflected from the inner wall of the underground continuous wall, and the reflected wave is received by the receiving transducer after propagating through the mud, and the construction quality of the H type steel joint of the underground connecting wall is detected by using this principle.

[0049] If necessary, the main walking wheel 2 can be used to move along the length direction of the two grooved steel frames 3, and the auxiliary walking wheel 62 can be used to move the ultrasonic grooving quality detector 1 and the two grooved steel frames 3 along the length direction of the diaphragm wall, so that the position of the ultrasonic grooving quality detector 1 is adjusted, the detection error caused by the probe deviation, the groove wall deviation and the like is avoided, and meanwhile, the detection position is adjusted, the detection is carried out from different positions, and the accuracy of the detection result is higher.

[0050] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing embodiments of the present application are described in detail, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the scope of protection of the present application.

Claims

1. An ultrasonic inspection of diaphragm wall H-shaped steel joint quality detection equipment, comprising an ultrasonic grooving quality detector (1), a main walking wheel (2) is installed at each corner of the bottom surface of the ultrasonic grooving quality detector (1), characterized in that: Also comprising: a channel steel frame (3), two of which are spaced apart and span the top of the underground continuous wall, and the main walking wheel (2) is embedded in the channel of the channel steel frame (3); a connecting horizontal plate (4), two of which are symmetrically distributed and connected between the two channel steel frames (3); a moving mechanism (6), which comprises a mounting plate (61) mounted below the connecting horizontal plate (4) and a secondary walking wheel (62) mounted on the bottom surface of the mounting plate (61).

2. The equipment for ultrasonic inspection of the quality of the H- shaped steel joint of a diaphragm wall according to claim 1, characterized in that: The moving mechanism (6) further comprises: an adjusting screw (63) which is threadedly mounted on the connecting horizontal plate (4), and the bottom end of the adjusting screw (63) is connected to the mounting plate (61) by rotating through the connecting horizontal plate (4) using a bearing.

3. The ultrasonic inspection diaphragm wall H-steel joint quality detection equipment according to claim 1, characterized in that: The moving mechanism (6) further comprises: a guide column (64), two of which are symmetrically fixed to the top surface of the mounting plate (61), and the guide column (64) penetrates the connecting horizontal plate (4).

4. The equipment for detecting the quality of the H-shaped steel joint of the diaphragm wall according to claim 2, characterized in that: The moving mechanism (6) further comprises: a cross knob (65) fixed to the top end of the adjusting screw (63).

5. The equipment for ultrasonic inspection of the quality of the H- shaped steel joint of a diaphragm wall according to claim 1, characterized in that: Two of the secondary walking wheels (62) are symmetrically mounted on the bottom surface of the mounting plate (61).

6. The ultrasonic inspection of diaphragm wall H-steel joint quality detection equipment according to claim 1, characterized in that: Further comprising an adjusting mechanism (5), and the adjusting mechanism (5) comprises: a threaded screw rod (51) fixed to the outer wall of the channel steel frame (3); an adjusting nut (52), an adjusting hole (41) is machined on the connecting horizontal plate (4), one end of the threaded screw rod (51) away from the channel steel frame (3) is embedded in the adjusting hole (41), and adjusting nuts (52) are threadedly mounted on the threaded screw rod (51) on the inner and outer sides of the adjusting hole (41).

7. The ultrasonic inspection of diaphragm wall H-steel joint quality detection equipment according to claim 6, characterized in that: The threaded screw rod (51) is welded to the outer wall of the channel steel frame (3).

8. The ultrasonic inspection of diaphragm wall H-steel joint quality detection equipment according to claim 1, characterized in that: The channel steel frame (3) is a "H" type steel structure.

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