Nondestructive testing device for concrete diaphragm wall of water conservancy project

Abstract

The utility model relates to a nondestructive testing device for a concrete diaphragm wall of a water conservancy project. Comprising a geological radar and further comprises a mounting frame and a sweeping assembly, the geological radar is fixedly connected to the mounting frame, the sweeping assembly is fixedly connected to the mounting frame, the sweeping assembly is located on the lower side of the geological radar, and the sweeping assembly is used for sweeping impurities on the concrete diaphragm wall. When an operator moves the geological radar and detects the wall surface of the concrete anti-seepage wall, the cleaning assembly cleans impurities on the concrete anti-seepage wall, the possibility that the impurities such as soil and moss adhere to the antenna of the geological radar can be reduced, the possibility that interference signals or artifacts appear in radar images can be reduced, and the detection accuracy of the concrete anti-seepage wall is improved. And the possibility that the accuracy and the reliability of the detection result are influenced can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to water conservancy project detection technical field, concretely relates to a water conservancy project concrete anti -seepage wall nondestructive testing device. BACKGROUND

[0002] Anti -seepage wall is a kind of ground continuous wall built in loose water-permeable layer or earth-rock dam (weir) and used to prevent seepage.Anti -seepage wall technology originated in Europe in the 1950s, and has been widely applied at home and abroad due to its reliable structure, good anti -seepage effect, adaptability to various strata, simple construction and low cost, especially in dealing with dam foundation leakage, "flowing soil" and "piping" and other seepage deformation problems.Anti -seepage wall is generally preferred for anti -seepage treatment of water conservancy and hydropower cover layer and earth-rock cofferdam under pressure in China.

[0003] During the use of the anti -seepage wall, it needs to be detected to determine whether cracks appear in the anti -seepage wall.Currently, geological radar is generally used for nondestructive testing of water conservancy project concrete anti -seepage wall.The specific operation mode is that the operator keeps the antenna of the geological radar in close contact with the wall surface and pushes the geological radar along the wall surface of the anti -seepage wall.The geological radar can detect the anti -seepage wall by emitting electromagnetic waves and receiving reflected waves, and the operator can know whether cracks appear in the anti -seepage wall through the detection results displayed on the display screen of the geological radar.

[0004] However, the concrete anti -seepage wall of water conservancy project is usually located near water, and the surface of the anti -seepage wall is often attached with dirt, moss and other impurities.When the operator pushes the geological radar to detect the wall surface of the concrete anti -seepage wall, the dirt, moss and other impurities may adhere to the antenna, causing interference signals or artifacts in the radar image, thereby affecting the accuracy and reliability of the detection results. UTILITY MODEL CONTENTS

[0005] Therefore, the utility model aims to provide a water conservancy project concrete anti -seepage wall nondestructive testing device to solve the problem that the accuracy and reliability of the detection results are affected by the dirt, moss and other impurities adhering to the antenna when detecting the wall surface of the concrete anti -seepage wall.

[0006] The utility model realizes the following technical scheme:

[0007] A water conservancy project concrete anti -seepage wall nondestructive testing device, comprising a geological radar, further comprising a mounting bracket and a cleaning assembly, the geological radar is fixedly connected to the mounting bracket, the mounting bracket is fixedly connected with the cleaning assembly, the cleaning assembly is located on the lower side of the geological radar, and the cleaning assembly is used for cleaning the impurities on the concrete anti -seepage wall.

[0008] Further, the cleaning assembly comprises a fixing plate and a plurality of first brush hairs, the fixing plate is fixed to the lower end of the mounting frame, and the plurality of first brush hairs are fixed to the front side of the fixing plate.

[0009] Further, a plurality of through holes are arranged on the fixing plate, and the cleaning assembly further comprises a plurality of rotating columns, a plurality of second brush hairs, and a driving part, the plurality of rotating columns are rotatably fitted in the plurality of through holes, the plurality of rotating columns are fixed to the front side of the plurality of rotating columns, and the driving part is used for driving the plurality of rotating columns to rotate.

[0010] Further, the driving part comprises rotating shafts, spur gears, driven bevel gears, a first motor, and a driving bevel gear, the rotating shafts are a plurality of, the front ends of the plurality of rotating shafts are fixedly connected to the plurality of rotating columns one by one, the spur gears are a plurality of, the plurality of spur gears are fixedly connected to the plurality of rotating shafts one by one, every two adjacent spur gears are meshed with each other, the driven bevel gear is fixedly connected to a rotating shaft, the first motor is fixed to the mounting frame, the output shaft of the first motor is fixed to the driving bevel gear, and the driving bevel gear is meshed with the driven bevel gear.

[0011] Further, the ground penetrating radar is detachably fixed to the mounting frame.

[0012] Further, the mounting frame comprises two side plates, a bolt, and a cross plate, the lower ends of the two side plates are fixedly connected to the cleaning assembly, a screw hole is arranged on one side plate, the bolt is screwed into the screw hole, the screwed-in end of the bolt is used for abutting against the ground penetrating radar, the cross plate is located at the back side of the ground penetrating radar, the two ends of the cross plate are respectively fixedly connected to the two side plates, and the ground penetrating radar is located between the two side plates.

[0013] Further, a rubber pad is arranged on the screwed-in end of the bolt.

[0014] Further, the mounting frame is fixedly connected to the lifting part, and the lifting part is used for driving the mounting frame to slide up and down.

[0015] Further, the lifting part comprises a sliding block, a rack, a screw rod, and a second motor, the sliding block is fixed to the back side of the mounting frame, the sliding block is slidably connected to the rack, a threaded hole is arranged on the sliding block, the screw rod is screwed into the threaded hole, the upper end of the screw rod is rotatably connected to the rack, the second motor is fixed to the rack, and the output shaft of the second motor is fixedly connected to the lower end of the screw rod.

[0016] Further, a sliding groove is arranged on the frame, the sliding groove is arranged vertically, a size of a groove of the sliding groove is smaller than a size of a cavity of the sliding groove, the sliding block is slidingly fitted in the sliding groove, and the screw rod is located in the sliding groove.

[0017] The utility model discloses beneficial effect lies in:

[0018] The water conservancy project concrete cutoff wall nondestructive testing device can reduce the possibility that the impurities such as soil and moss adhere to the antenna of the geological radar, can reduce the possibility that interference signals or artifacts appear in the radar image, and can reduce the possibility that the accuracy and reliability of the detection result are affected.

[0019] The other advantages, objects and features of the utility model will be set forth in the subsequent description, and to some extent, it will be obvious to those skilled in the art based on the study of the following, or can be taught from the practice of the utility model. The objects and other advantages of the utility model can be realized and obtained by the following description. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a structure schematic diagram when the water conservancy project concrete cutoff wall nondestructive testing device of the utility model is observed from one angle.

[0021] Figure 2 It is a structure schematic diagram when the water conservancy project concrete cutoff wall nondestructive testing device of the utility model is observed from another angle. Figure 1 It is an enlarged view of A in the utility model.

[0022] Figure 3 It is a structure schematic diagram when the water conservancy project concrete cutoff wall nondestructive testing device of the utility model is observed from another angle.

[0023] Figure 4 It is an enlarged view of B in the utility model. Figure 3

[0024] It is an enlarged view of C in the utility model. Figure 5

[0025] Figure 6 It is an enlarged view of C in the utility model. Figure 5

[0026] ​​In the figure: 1, mounting frame; 11, cross plate; 12, side plate; 121, bolt; 2, geological radar; 3, cleaning assembly; 31, fixed plate; 311, first brush; 312, limiting groove; 32, rotating column; 321, second brush; 322, limiting ring; 41, rotating shaft; 42, spur gear; 43, driven bevel gear; 44, first motor; 45, driving bevel gear; 51, second motor; 52, sliding block; 53, screw rod; 54, rack. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations.

[0028] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application.

[0029] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0030] In the above description of the present application, it should be noted that the orientation or position relationship indicated by the terms "one side", "the other side" and the like is based on the orientation or position relationship shown in the drawings, or the orientation or position relationship in which the product of the present application is usually placed, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" and the like are only used for differentiation in description, and cannot be understood as indicating or implying relative importance.

[0031] In addition, the term "same" and the like do not mean that the components must be absolutely the same, but there can be slight differences. The term "perpendicular" only means that the position relationship between the components is relatively more perpendicular than "parallel", and does not mean that the structure must be completely perpendicular, but can be slightly inclined.

[0032] Please refer to Figures 1-6The utility model provides a technical scheme: a water conservancy project concrete cutoff wall nondestructive testing device, including geological radar 2, the model of geological radar 2 can be geological radar 2 of SI R-4000.The utility model discloses a water conservancy project concrete cutoff wall nondestructive testing device still includes mounting bracket 1 and cleaning assembly 3, geological radar 2 is fixedly connected on mounting bracket 1, mounting bracket 1 is fixedly connected with cleaning assembly 3, cleaning assembly 3 is located the downside of geological radar 2, cleaning assembly 3 is used for cleaning the impurity on the concrete cutoff wall.

[0033] Before using the water conservancy project concrete cutoff wall nondestructive testing device, the operator first lifts mounting bracket 1, makes the lower edge of geological radar 2 higher than the cutoff wall, and holds cleaning assembly 3 against the wall surface on the top.Then move mounting bracket 1 downward, and mounting bracket 1 drives cleaning assembly 3 and geological radar 2 to move downward, in the process of moving geological radar 2 downward, make the antenna of geological radar 2 and the wall surface of cutoff wall adhere to each other, in the process of moving geological radar 2 downward, geological radar 2 detects the cutoff wall by emitting electromagnetic wave and receiving reflected wave, and the detection result displayed on the display screen of geological radar 2 can know whether the crack appears in the cutoff wall, so as to realize the nondestructive testing of geological radar 2 to the cutoff wall.As for the specific detection principle of geological radar 2 to the cutoff wall, it is very mature existing technology, so it will not be described here.The cleaning assembly 3 can remove the soil and moss and other impurities on the concrete cutoff wall in the process of moving downward, and cleaning assembly 3 is located on the downside of geological radar 2, in the process of moving geological radar 2 downward, the position where the wall surface of the cutoff wall and the antenna of geological radar 2 adhere to each other are all the positions cleaned by cleaning assembly 3, when the operator moves geological radar 2 and detects the wall surface of the concrete cutoff wall, the possibility of soil, moss and other impurities adhering to the antenna of geological radar 2 can be reduced, so that the possibility of interference signals or artifacts appearing in the radar image can be reduced, and the possibility of the accuracy and reliability of the detection result being affected can be reduced.

[0034] In this embodiment: the cleaning assembly 3 includes a fixed plate 31 and a plurality of first bristles 311, the fixed plate 31 is fixedly connected to the lower end of the mounting bracket 1, and a plurality of the first bristles 311 are fixedly connected to the front side of the fixed plate 31.

[0035] When the cleaning assembly 3 is held against the wall surface on the top, a plurality of first bristles 311 are held against the wall surface, and when mounting bracket 1 is moved downward, mounting bracket 1 drives the first bristles 311 to move downward, and the first bristles 311 can clean the soil, moss and other impurities on the concrete cutoff wall. With this structure, the cleaning assembly 3 can remove the soil, moss and other impurities on the concrete cutoff wall in the process of moving downward.

[0036] In the embodiment, the fixing plate 31 is provided with a plurality of through holes, the cleaning assembly 3 further comprises a plurality of rotating columns 32, a plurality of second bristles 321, and a driving part, the plurality of rotating columns 32 are rotationally fitted in the plurality of through holes, the plurality of second bristles 321 are fixed to the front side of the plurality of rotating columns 32, and the driving part is used to drive the plurality of rotating columns 32 to rotate.

[0037] When the cleaning assembly 3 abuts against the wall surface of the top, the plurality of second bristles 321 abut against the wall surface, the driving part drives the plurality of rotating columns 32 to rotate, the plurality of rotating columns 32 drive the plurality of second bristles 321 to rotate, at this time, the second bristles 321 can also clean the soil and moss and other impurities on the concrete anti-seepage wall. When the cleaning assembly 3 cleans the soil and moss and other impurities on the concrete anti-seepage wall, the cleaning effect of the cleaning assembly 3 on the wall surface of the anti-seepage wall is further improved.

[0038] In the embodiment, the inner circumferential surface of each of the plurality of through holes is recessed to form a limiting groove 312, the outer circumferential surface of each of the plurality of rotating blocks is outwardly protruded to form a limiting ring 322, each of the plurality of limiting rings 322 is located in the corresponding limiting groove 312, and the limiting ring 322 is matched with the limiting groove 312. With this structure, the plurality of rotating columns 32 can be rotationally fitted in the plurality of through holes one by one, and the rotating column 32 cannot be detached from the corresponding through hole.

[0039] In the embodiment, the driving part comprises rotating shafts 41, spur gears 42, driven bevel gears 43, a first motor 44, and driving bevel gears 45, the rotating shafts 41 are a plurality of, the front ends of the plurality of rotating shafts 41 are fixedly connected with the plurality of rotating columns 32 one by one, the spur gears 42 are a plurality of, the plurality of spur gears 42 are fixedly connected with the plurality of rotating shafts 41 one by one, every two adjacent spur gears 42 are meshed with each other, the driven bevel gears 43 are fixedly connected on a rotating shaft 41, the first motor 44 is fixedly connected on the mounting frame 1, the output shaft of the first motor 44 is fixedly connected with the driving bevel gears 45, and the driving bevel gears 45 are meshed with the driven bevel gears 43. In the embodiment, the first motor 44 can be a motor with a model number of KSV 5035.

[0040] The first motor 44 is started to drive the driving bevel gear 45 to rotate, the driving bevel gear 45 drives the driven bevel gear 43 to rotate, the driven bevel gear 43 is fixedly connected to the rotating shaft 41, the rotating shaft 41 drives the corresponding spur gear 42 and the rotating column 32 to rotate. Since every two adjacent spur gears 42 are meshed with each other, the rotating shaft 41 drives the spur gears 42 to rotate, and the remaining spur gears 42 are driven to rotate. Each spur gear 42 can drive the corresponding rotating shaft 41 and the rotating column 32 to rotate. In this way, the driving part can drive multiple rotating columns 32 to rotate.

[0041] In this embodiment, the ground penetrating radar 2 is detachably fixedly connected to the mounting rack 1.

[0042] After the ground penetrating radar 2 fails, the ground penetrating radar 2 can be detached from the mounting rack 1, so that the ground penetrating radar 2 can be replaced or repaired.

[0043] In this embodiment, the mounting rack 1 includes two side plates 12, a bolt 121, and a horizontal plate 11. The lower ends of the two side plates 12 are fixedly connected to the cleaning assembly 3. A threaded hole is formed in one side plate 12, and the bolt 121 is screwed into the threaded hole. The screw-in end of the bolt 121 is used to abut against the ground penetrating radar 2. The horizontal plate 11 is located at the rear side of the ground penetrating radar 2. The two ends of the horizontal plate 11 are fixedly connected to the two side plates 12, respectively. The ground penetrating radar 2 is located between the two side plates 12. The first motor 44 is fixedly connected to the horizontal plate 11. The cleaning assembly 3 is fixedly connected to the lower ends of the horizontal plate 11 and the two side plates 12.

[0044] When the antenna of the ground penetrating radar 2 is attached to the wall surface of the impervious wall, the rear side of the ground penetrating radar 2 abuts against the horizontal plate 11.

[0045] In the initial state, the ground penetrating radar 2 is located between the two side plates 12. The bolt 121 is screwed into the threaded hole. The screw-in end of the bolt 121 abuts against one side of the ground penetrating radar 2. At this time, the ground penetrating radar 2 is clamped between the screw-in end of the bolt 121 and the other side plate 12 opposite to the side plate 12 where the bolt 121 is located. The ground penetrating radar 2 is fixedly connected to the mounting rack 1.

[0046] When the ground penetrating radar 2 needs to be removed from the mounting rack 1, the bolt 121 is unscrewed from the threaded hole. The screw-in end of the bolt 121 is separated from one side of the ground penetrating radar 2. At this time, the ground penetrating radar 2 can be detached from the mounting rack 1.

[0047] With the structure, the geological radar 2 can be detachably fixedly connected to the mounting rack 1.

[0048] In this embodiment, the screw 121 is provided with a rubber pad on the screw-in end.

[0049] When the screw-in end of the screw 121 abuts against one side of the geological radar 2, specifically, the rubber pad abuts against one side of the geological radar 2, the abrasion of the screw-in end of the screw 121 to the shell of the geological radar 2 can be reduced.

[0050] In this embodiment, the nondestructive testing device for the concrete cutoff wall of the water conservancy project further comprises a lifting part, the lifting part is fixedly connected to the mounting rack 1, and the lifting part is used to drive the mounting rack 1 to slide up and down.

[0051] When the nondestructive testing device for the concrete cutoff wall of the water conservancy project is used to nondestructively test the cutoff wall, the lifting part is placed on the ground beside the cutoff wall, the lifting part is started, the lifting part drives the mounting rack 1 to move upwards to the lower edge of the geological radar 2 being higher than the cutoff wall. The operator pushes the lifting part to make the cleaning assembly 3 abut against the wall surface on the top. At this time, the lifting part is started again, the lifting part drives the mounting rack 1 to move downwards, and the mounting rack 1 drives the cleaning assembly 3 to clean the concrete cutoff wall. The lifting part can drive the mounting rack 1 to move up and down, and it is convenient to drive the mounting rack 1 to move up and down.

[0052] In this embodiment, the lifting part comprises a sliding block 52, a rack 54, a screw rod 53 and a second motor 51, the sliding block 52 is fixedly connected to the rear side of the mounting rack 1, the sliding block 52 is slidably connected to the rack 54, the sliding block 52 is provided with a threaded hole, the screw rod 53 is screwed into the threaded hole, the upper end of the screw rod 53 is rotatably connected to the rack 54, the second motor 51 is fixedly connected to the rack 54, and the output shaft of the second motor 51 is fixedly connected to the lower end of the screw rod 53. In this embodiment, the second motor 51 can be a motor with a model number of YZZ132M-4.

[0053] The second motor 51 is driven, the second motor 51 drives the screw rod 53 to rotate in the threaded hole of the sliding block 52. Since the sliding block 52 is slidably connected to the rack 54, when the screw rod 53 rotates, the screw rod 53 cannot drive the sliding block 52 to rotate, and the screw rod 53 can drive the sliding block 52 to move up and down. With the structure, the lifting part can drive the mounting rack 1 to slide up and down.

[0054] In the embodiment, the rack 54 is provided with a sliding groove which is vertically arranged, the size of the slot of the sliding groove is smaller than the size of the cavity, the sliding block 52 is slidingly fitted in the sliding groove, and the screw rod 53 is located in the sliding groove. In this way, the sliding block 52 can be connected to the rack 54 in an up-and-down sliding manner.

[0055] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the purpose and scope of the technical solutions of the present application, and all of them should be covered in the scope of the claims of the present application.

Claims

1. A device for non-destructive testing of a hydraulic concrete diaphragm wall, comprising a geological radar (2), characterized in that: Also include the mounting frame (1) and cleaning assembly (3), the ground penetrating radar (2) is fixedly connected to the mounting frame (1), the mounting frame (1) is fixedly connected with cleaning assembly (3), the cleaning assembly (3) is located in the lower side of the ground penetrating radar (2), the cleaning assembly (3) is used for cleaning the impurities on the concrete cutoff wall.

2. The device for non-destructive testing of a concrete diaphragm wall of hydraulic engineering according to claim 1, characterized in that The cleaning assembly (3) includes a fixed plate (31) and a plurality of first bristles (311), the fixed plate (31) is fixed to the lower end of the mounting frame (1), and a plurality of first bristles (311) are fixed to the front side of the fixed plate (31).

3. The device for non-destructive testing of a concrete diaphragm wall of hydraulic engineering according to claim 2, characterized in that: A plurality of through holes are formed in the fixed plate (31), the cleaning assembly (3) further comprises a plurality of rotating columns (32), a plurality of second bristles (321) and a driving part, a plurality of rotating columns (32) are rotatably connected in a plurality of through holes, a plurality of second bristles (321) are fixed to the front side of the rotating column (32), and the driving part is used for driving a plurality of rotating columns (32) to rotate.

4. The device for non-destructive testing of a concrete diaphragm wall of hydraulic engineering according to claim 3, characterized in that: The driving part includes a rotating shaft (41), a spur gear (42), a driven bevel gear (43), a first motor (44) and a driving bevel gear (45), the rotating shaft (41) is a plurality of, the front end of a plurality of rotating shafts (41) is fixedly connected with a plurality of rotating columns (32) one by one, a plurality of spur gears (42) are fixedly connected with a plurality of rotating shafts (41) one by one, every two adjacent spur gears (42) are engaged with each other, the driven bevel gear (43) is fixedly connected with a rotating shaft (41), the first motor (44) is fixedly connected with the mounting frame (1), the output shaft of the first motor (44) is fixedly connected with the driving bevel gear (45), and the driving bevel gear (45) is engaged with the driven bevel gear (43).

5. The device for non-destructive testing of a concrete diaphragm wall of hydraulic engineering according to claim 1, characterized in that: The ground penetrating radar (2) is detachably fixedly connected with the mounting frame (1).

6. The device for non-destructive testing of a diaphragm wall according to claim 5, characterized in that: The mounting frame (1) includes two side plates (12), a bolt (121) and a cross plate (11), the lower end of the two side plates (12) is fixedly connected with the cleaning assembly (3), a screw hole is formed in one side plate (12), the bolt (121) is screwed into the screw hole, the screwing end of the bolt (121) is used for abutting against the ground penetrating radar (2), the cross plate (11) is located at the back side of the ground penetrating radar (2), the two ends of the cross plate (11) are fixedly connected with the two side plates (12), and the ground penetrating radar (2) is located between the two side plates (12).

7. The device for non-destructive testing of a diaphragm wall according to claim 6, characterized in that: A rubber pad is arranged on the screwing end of the bolt (121). 8.The device for nondestructive testing of a seepage control wall of hydraulic engineering concrete according to claim 1, characterized in that: Further include a lifting part, the lifting part is fixedly connected with the mounting frame (1), and the lifting part is used for driving the mounting frame (1) to slide up and down.

9. The device for non-destructive testing of a diaphragm wall according to claim 8, characterized in that: The lifting part comprises a sliding block (52), a rack (54), a screw rod (53) and a second motor (51), the sliding block (52) is fixedly connected to the rear side of the mounting rack (1), the sliding block (52) is slidably connected to the rack (54), the sliding block (52) is provided with a threaded hole, the screw rod (53) is screwed into the threaded hole, the upper end of the screw rod (53) is rotatably connected to the rack (54), and the second motor (51) is fixedly connected to the rack (54), and the output shaft of the second motor (51) is fixedly connected to the lower end of the screw rod (53).

10. The device for non-destructive testing of a concrete diaphragm wall of hydraulic engineering according to claim 9, characterized in that The rack (54) is provided with a sliding groove, the sliding groove is vertically arranged, the size of the slot of the sliding groove is smaller than the size of the cavity, the sliding block (52) is slidably connected to the sliding groove, and the screw rod (53) is located in the sliding groove.

Images