CN213926404U

CN213926404U - Pile foundation detection device adopting reflection wave method

Info

Publication number: CN213926404U
Application number: CN202022672263.0U
Authority: CN
Inventors: 汤小云
Original assignee: Wuxi Tongji Engineering Quality Inspection Co ltd
Current assignee: Wuxi Tongji Engineering Quality Inspection Co ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-08-10
Anticipated expiration: 2030-11-18

Abstract

The utility model discloses a reflection wave method pile foundation detection device, including the mount, the last fixed surface of mount is connected with a plurality of supporting legs, the top fixedly connected with protecting box of supporting leg, the last fixed surface of protecting box is connected with the detector, the last surface swing joint of mount has first lead screw, and first lead screw passes the protecting box and rotates with the protecting box to be connected, the last fixed surface of mount is connected with first guide bar, one side threaded connection of first lead screw has first link. The utility model discloses not only can use through the cooperation of fixed frame and detection head, make the staff examine time measuring to the pile foundation, can be convenient make detect the head and laminate with the pile foundation, can adjust the length of signal line moreover, can also clean the gravel on the pile foundation through the setting of brush, avoid causing the interference to the testing result, improve the rate of accuracy that detects to can make things convenient for mobile device's position, improve the efficiency that detects.

Description

Pile foundation detection device adopting reflection wave method

Technical Field

The utility model relates to a pile foundation detects technical field, especially relates to a back wave method pile foundation detection device.

Background

A device for detecting the internal integrity of a pile foundation by a reflection wave method is mainly characterized in that an excitation signal is applied to the pile top to generate stress waves, when the stress waves encounter a discontinuous interface or the bottom surface of a pile in the transmission process, the generated reflection waves are transmitted to a control center, the reflection waves are converted into data through the control center and transmitted to a display screen, and a worker can conveniently analyze and process the detected data.

When using, the existing reflection wave method pile foundation detection device needs to be provided with a contact and an observation instrument vertically, then an experiment hammer is operated to beat the pile foundation and observe the detection result of the instrument, however, the reflection wave method pile foundation detection device on the market at present does not have a fixed device, and the reflection wave method pile foundation detection device can not completely attach the contact and the upper surface of the pile foundation, so that the interference to the detection result is caused, and the reflection wave method pile foundation detection device is provided for the purpose.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a reflective wave method pile foundation detection device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a pile foundation detection device adopting a reflection wave method comprises a fixing frame, wherein the upper surface of the fixing frame is fixedly connected with a plurality of supporting legs, the tops of the supporting legs are fixedly connected with a protective box, the upper surface of the protective box is fixedly connected with a detector, the upper surface of the fixing frame is movably connected with a first lead screw, the first lead screw penetrates through the protective box and is rotationally connected with the protective box, the upper surface of the fixing frame is fixedly connected with a first guide rod, one side of the first lead screw is in threaded connection with a first connecting frame, one side of the first connecting frame is movably connected with a fixing frame, one side of the fixing frame is movably connected with a second connecting frame, the second connecting frame is in sliding connection with the first guide rod, one side of the fixing frame is movably connected with a detection head, one side of the first lead screw is fixedly connected with a first bevel gear, and the inner wall of one side of the protective box is movably connected with a second lead screw, the one end fixedly connected with second bevel gear of second lead screw, and second bevel gear meshes with first bevel gear mutually, one side inner wall fixedly connected with second guide bar of guard box, one side swing joint of second guide bar have the fastener, and fastener and second lead screw threaded connection, one side inner wall fixedly connected with fixed block of guard box, the top electric connection of detection head has the signal line, and the one end of signal line pass fixed block, fastener and guard box and with detector electric connection.

Furthermore, the upper surface of the fixing frame is fixedly connected with two expansion plates, and a brush is fixedly connected between the expansion plates.

Furthermore, one side of the fixing frame is fixedly connected with a pushing handle, and one side of the pushing handle is fixedly connected with an anti-skidding sleeve.

Furthermore, one side fixedly connected with solid fixed ring of mount is equipped with the experiment hammer in the solid fixed ring.

Furthermore, the bottom of the fixing frame is movably connected with a plurality of rollers, and one side of each roller is fixedly connected with an anti-slip mat.

Furthermore, one end of the first screw rod is fixedly connected with a hand wheel.

Furthermore, one side of the detector is fixedly connected with a display screen.

The utility model has the advantages that:

1. through the cooperation use at fixed frame and detection head, when the staff detected the pile foundation, can make and detect the head and adjust position in fixed frame, can conveniently detect the upper surface of head and pile foundation and laminate completely, can improve the rate of accuracy of testing result.

2. Through the setting of installation fastener on the second lead screw, when the second lead screw rotated, can make the fastener remove, the fastener removes the length that can adjust the signal line, makes things convenient for the staff to detect, can avoid the signal line overlength to disturb the testing result.

3. The cooperation through expansion plate and brush is used, adjusts the high back of expansion plate, and the brush can make things convenient for the staff to clear up the surface of pile foundation, can clear away the dust and the gravel of pile foundation upper surface, can make that the probe is better laminate with the pile foundation.

4. Through the arrangement of the universal wheels, the position of the device can be conveniently moved by workers at any time, the time and labor for manual carrying are saved, the moving speed is improved, and meanwhile the detection efficiency can be improved.

Drawings

Fig. 1 is a schematic perspective view of a reflective wave method pile foundation detection device provided by the present invention;

fig. 2 is a schematic view of a cross-sectional structure of a reflective wave method pile foundation detection device provided by the present invention;

fig. 3 is the utility model provides a reflection wave method pile foundation detection device's local enlarged structure schematic diagram.

In the figure: 1. a detector; 2. a push handle; 3. a fixing ring; 4. an experimental hammer; 5. a display screen; 6. a protective box; 7. a first guide bar; 8. a brush; 9. a retractable plate; 10. a roller; 11. a fixed mount; 12. a first lead screw; 13. a first bevel gear; 14. a signal line; 15. a fixed block; 16. wire clamps; 17. a second lead screw; 18. a second guide bar; 19. a second bevel gear; 20. a first connecting frame; 21. a fixing frame; 22. and a detection head.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. It should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and their meaning in the context of this patent may be understood by those skilled in the art as appropriate.

Referring to fig. 1-3, a reflective wave method pile foundation detection device comprises a fixing frame 11, wherein a plurality of supporting legs are fixed on the upper surface of the fixing frame 11 through bolts, a protective box 6 is fixed on the top of each supporting leg through a bolt, a detector 1 is fixed on the upper surface of the protective box 6 through a bolt, a first lead screw 12 is rotatably connected on the upper surface of the fixing frame 11, the first lead screw 12 penetrates through the protective box 6 and is rotatably connected with the protective box 6, a first guide rod 7 is fixed on the upper surface of the fixing frame 11 through a bolt, a first connecting frame 20 is in threaded connection with one side of the first lead screw 12, a fixed frame 21 is rotatably connected with one side of the first connecting frame 20, a second connecting frame is rotatably connected with one side of the fixed frame 21, and the second connecting frame is in sliding connection with the first guide rod 7, when the first lead screw 12 is rotated, the first connecting frame 20, the second connecting frame and the fixed frame 21 can be driven to go up and down, one side of the fixed frame 21 is rotatably connected with the detection head 22, through the matching use of the fixed frame 21 and the detection head 22, when a worker detects a pile foundation, the detection head 22 can be adjusted in position in the fixed frame 21, the detection head 22 can be conveniently and completely attached to the upper surface of the pile foundation, and the accuracy of a detection result can be improved, one side of the first screw rod 12 is fixedly provided with a first bevel gear 13 through a bolt, one side inner wall of the protective box 6 is rotatably connected with a second screw rod 17, one end of the second screw rod 17 is fixedly provided with a second bevel gear 19 through a bolt, the second bevel gear 19 is meshed with the first bevel gear 13, one side inner wall of the protective box 6 is fixedly provided with a second guide rod 18 through a bolt, one side of the second guide rod 18 is slidably connected with a wire clamp 16, the wire clamp 16 is in threaded connection with the second screw rod 17, through the installation of the wire clamp 16 on the second screw rod 17, when the second screw rod 17 rotates, can make fastener 16 remove, one side inner wall of protective housing 6 has fixed block 15 through the bolt fastening, detects head 22's top electric connection and has signal line 14, and signal line 14's one end pass fixed block 15, fastener 16 and protective housing 6 and with detector 1 electric connection, can adjust signal line 14's length when fastener 16 removes, make things convenient for the staff to detect, can avoid 14 overlengths of signal line to disturb the testing result.

In the utility model, it should be noted that, two expansion plates 9 are fixed on the upper surface of a fixing frame 11 through bolts, a brush 8 is fixed between the expansion plates 9 through bolts, through the matching use of the expansion plates 9 and the brush 8, after the height of the expansion plates 9 is adjusted, the brush 8 can conveniently clear dust and gravel on the upper surface of a pile foundation, and can make a probe better fit with the pile foundation, a push handle 2 is fixed on one side of the fixing frame 11 through bolts, an anti-slip sleeve is bonded on one side of the push handle 2, a fixing ring 3 is fixed on one side of the fixing frame 11 through bolts, an experimental hammer 4 is arranged in the fixing ring 3, the experimental hammer 4 can rotatably connect with a plurality of rollers 10 at the bottom of the fixing frame 11, and a non-slip mat is bonded on one side of the roller 10, the non-slip mat can enhance the stability of the device, the device is prevented from shaking when in use, a hand wheel is fixed on one end of a first lead screw 12 through bolts, one side of detector 1 is passed through the bolt fastening and is had display screen 5, uses experiment hammer 4 to strike the pile foundation, can convert the back wave that produces to data transmission to detector 1 on display screen 5 to make things convenient for the staff to carry out the analysis to the testing result.

The working principle is as follows: during the use, at first adjust the height of expansion plate 9, then clean dust and grit on the pile foundation with brush 8, then rotate first lead screw 12, first link 20 descends with fixed frame 21 under the effect of first lead screw 12, thereby detect the head 22 and descend, first lead screw 12 rotates and makes first bevel gear 13 rotate simultaneously, first bevel gear 13 drives second bevel gear 19 rotatory, thereby second lead screw 17 rotates, then fastener 16 moves on second lead screw 17, thereby make many signal lines 14 prolong or shorten, when detecting head 22 descends to can paste with the pile foundation, use experiment hammer 4 to strike the pile foundation after that, then convert the reflection wave that produces into display screen 5 on data transmission to detector 1, the testing personnel can carry out the analysis to the testing result, detect and accomplish.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A pile foundation detection device adopting a reflection wave method comprises a fixing frame (11) and is characterized in that the upper surface of the fixing frame (11) is fixedly connected with a plurality of supporting legs, the tops of the supporting legs are fixedly connected with a protective box (6), the upper surface of the protective box (6) is fixedly connected with a detector (1), the upper surface of the fixing frame (11) is movably connected with a first lead screw (12), the first lead screw (12) penetrates through the protective box (6) and is rotatably connected with the protective box (6), the upper surface of the fixing frame (11) is fixedly connected with a first guide rod (7), one side of the first lead screw (12) is in threaded connection with a first connecting frame (20), one side of the first connecting frame (20) is movably connected with a fixed frame (21), one side of the fixed frame (21) is movably connected with a second connecting frame, and the second connecting frame is in sliding connection with the first guide rod (7), one side of the fixed frame (21) is movably connected with a detection head (22), one side of the first screw rod (12) is fixedly connected with a first bevel gear (13), a second screw rod (17) is movably connected with the inner wall of one side of the protective box (6), one end of the second screw rod (17) is fixedly connected with a second bevel gear (19), a second bevel gear (19) is meshed with the first bevel gear (13), a second guide rod (18) is fixedly connected to the inner wall of one side of the protective box (6), a wire clamp (16) is movably connected to one side of the second guide rod (18), the wire clamp (16) is in threaded connection with the second screw rod (17), the inner wall of one side of the protective box (6) is fixedly connected with a fixed block (15), the top of the detection head (22) is electrically connected with a signal wire (14), and one end of the signal wire (14) passes through the fixing block (15), the wire clamp (16) and the protection box (6) and is electrically connected with the detector (1).

2. A reflective wave method pile foundation detection device according to claim 1, wherein two expansion plates (9) are fixedly connected to the upper surface of the fixing frame (11), and a brush (8) is fixedly connected between the expansion plates (9).

3. A reflective wave method pile foundation detection device according to claim 1, characterized in that a push handle (2) is fixedly connected to one side of the fixing frame (11), and an anti-slip sleeve is fixedly connected to one side of the push handle (2).

4. A reflective wave method pile foundation detection device according to claim 1, characterized in that a fixing ring (3) is fixedly connected to one side of the fixing frame (11), and an experimental hammer (4) is arranged in the fixing ring (3).

5. A reflective wave method pile foundation detection device according to claim 1, wherein a plurality of rollers (10) are movably connected to the bottom of the fixing frame (11), and a non-slip mat is fixedly connected to one side of each roller (10).

6. A reflective wave method pile foundation detection device according to claim 1, characterized in that a hand wheel is fixedly connected to one end of the first screw rod (12).

7. A reflective wave method pile foundation detection device according to claim 1, characterized in that a display screen (5) is fixedly connected to one side of the detector (1).