CN218492571U

CN218492571U - Pile foundation low strain dynamic tester

Info

Publication number: CN218492571U
Application number: CN202221568436.7U
Authority: CN
Inventors: 王鹏; 韩栋梁; 潘凡厚
Original assignee: Shandong Dechen Engineering Testing Co ltd
Current assignee: Shandong Dechen Engineering Testing Co ltd
Priority date: 2022-06-22
Filing date: 2022-06-22
Publication date: 2023-02-17
Anticipated expiration: 2032-06-22

Abstract

The utility model discloses a low dynamic meter that meets an emergency of pile foundation, it includes the casing, the inboard fixed surface of casing is connected with the fixed plate, the inboard surface just is located the equal fixedly connected with slide rail in left side of fixed plate around the casing, the internally mounted of slide rail has adjustment mechanism, adjustment mechanism includes motor, lead screw, nut, connecting piece and regulating roller, motor fixed connection is at the inboard surface of slide rail, lead screw fixed connection is at the output of motor, nut swing joint is on the surface of lead screw, connecting piece fixed connection is on the surface of nut, the surface that the nut was kept away from to the connecting piece is connected with the fixed surface of regulating roller. Through above-mentioned structure, can adjust the position of regulating roller through setting up adjustment mechanism to reach the purpose of freely receiving and releasing the data line, can accomodate the inside of casing with the data line effectively and prevent to expose outside, be favorable to improve equipment's portability, also reduce simultaneously by the risk of sharp-pointed object damage.

Description

Pile foundation low strain dynamic tester

Technical Field

The utility model relates to a pile foundation detects technical field, in particular to pile foundation hangs down and meets an emergency electrometer.

Background

The low strain dynamic measuring instrument is a device for detecting a pile foundation by using a low strain dynamic measuring method, wherein a hammer is used for knocking the pile top in the low strain dynamic measuring method, a sensor which is bonded on the pile top is used for receiving stress wave signals from a pile, the dynamic response of a pile-soil system is researched by adopting a stress wave theory, and actual measurement speed signals and frequency signals are subjected to inversion analysis, so that the integrity of the pile is obtained.

The applicant finds that a Chinese patent discloses a pile foundation low-strain dynamic tester through retrieval when applying the invention, and the application number of the tester is 202020288945.9, the patent mainly drives a telescopic rod to enable a cleaning brush to be positioned right above a stain, then drives a cylinder to enable a piston rod of the cylinder to vertically move downwards to further drive the cleaning brush to be abutted against a pile top, and then starts a rotating piece to enable the cleaning brush to rotate while abutting against the pile top, so that the friction force between the cleaning brush and the surface of the pile top can be increased, the tester has the effect of conveniently cleaning grease remained on the pile top after detection, but in use, a data line is exposed on the outer side, so that the tester is inconvenient to carry, and is easy to damage by sharp objects in the carrying process, and therefore the tester needs to be improved on the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a pile foundation low strain dynamic testing appearance, can be through setting up the position of adjustment mechanism adjustment regulating roll to reach the purpose of freely receiving and releasing the data line, can prevent to expose with the inside of data line accomodating the casing effectively outside, be favorable to improve equipment's portability, also reduce the risk of being damaged by sharp-pointed object article simultaneously.

For realizing above-mentioned purpose, provide a low dynamic meter that meets an emergency of pile foundation, which comprises a housin, the inboard fixed surface of casing is connected with the fixed plate, the inboard surface just is located the equal fixedly connected with slide rail in left side of fixed plate around the casing, the internally mounted of slide rail has adjustment mechanism, adjustment mechanism includes motor, lead screw, nut, connecting piece and regulating roll, motor fixed connection is at the inboard surface of slide rail, lead screw fixed connection is at the output of motor, nut swing joint is on the surface of lead screw, connecting piece fixed connection is on the surface of nut, the surface that the nut was kept away from to the connecting piece is connected with the fixed surface of regulating roll. The sliding rail is used for conveniently positioning and installing the adjusting mechanism, and the adjusting mechanism is used for conveniently adjusting the position of the adjusting roller, so that the data line can be stored and released.

According to the low-strain dynamic tester for the pile foundation, the output end of the screw rod, which is far away from the motor, is fixedly connected with a bearing seat, and the outer side surface of the bearing seat is fixedly connected with the inner side surface of the sliding rail. The bearing seat is arranged to facilitate the positioning of the screw rod.

According to a pile foundation low strain dynamic testing appearance, the inboard surface of casing just is located the right side fixedly connected with circuit board of fixed plate, the export has been seted up to the left surface of casing, the fixed surface of circuit board is connected with the data line. The circuit board is arranged to facilitate the installation of electronic components, the outlet is arranged to facilitate the extension of the data line to the outside of the shell, and the data line is arranged to facilitate the connection of the probe.

According to a low dynamic testing appearance that meets an emergency of pile foundation, the surface that the circuit board was kept away from to the data line runs through the fixed plate and the outside fixedly connected with fixed block that the export extended to the casing, the data line runs through fixed block fixedly connected with probe. The fixed block is used for supporting and limiting conveniently, and the probe is used for collecting vibration data of the pile foundation conveniently.

According to a low dynamic meter that meets an emergency of pile foundation, the inboard surface of casing just is located the equal fixedly connected with guide post of the left and right sides of slide rail, the surface of data line and the surface of guide post and the surface contact of dancer rools. The guide posts are arranged to facilitate positioning and steering of the data lines.

According to a low dynamic meter that meets an emergency of pile foundation, the fixed surface of circuit board is connected with the vibration wave amplifier, the fixed right side that just is located the vibration wave amplifier on the surface of circuit board can be connected with the singlechip, the interior bottom of casing just is located the right side fixedly connected with battery of fixed plate. The vibration wave amplifier is arranged to facilitate the effect of amplifying the amplitude of the vibration waves, the single chip microcomputer is arranged to facilitate the effect of normally operating the control equipment, and the storage battery is arranged to facilitate the effect of supplying power.

According to a pile foundation low strain dynamic testing appearance, the front side surface of casing just is close to right side fixedly connected with touch-sensitive screen, the front side surface of casing just is located the right side of touch-sensitive screen and installs shift knob. The touch screen is used for conveniently displaying vibration data parameters and conveniently touching the screen, and the switch button is used for conveniently controlling the equipment to be turned on and turned off.

According to the low-strain dynamic measuring instrument for the pile foundation, the surface of the data line is fixed with the fixing plate and the fixing block. The function of conveniently positioning is achieved.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples;

fig. 1 is a perspective view of the external structure of the low strain dynamic tester for pile foundation of the present invention;

fig. 2 is an elevation view of the internal structure of a low strain dynamic tester for pile foundation of the present invention;

fig. 3 is an elevation view of the external structure of a low strain dynamic tester for pile foundation of the present invention;

fig. 4 is the utility model relates to a slide rail inner structure schematic diagram of low dynamic meter that meets an emergency of pile foundation.

Illustration of the drawings:

1. a housing; 2. a fixing plate; 3. a circuit board; 4. a single chip microcomputer; 5. a vibration wave amplifier; 6. a storage battery; 7. a data line; 8. a slide rail; 9. a guide post; 10. an outlet; 11. a fixed block; 12. a probe; 13. a regulating roller; 14. a switch button; 15. a touch screen; 16. a motor; 17. a screw rod; 18. a nut; 19. a bearing seat; 20. a connecting member.

Detailed Description

This section will describe in detail the embodiments of the present invention, the preferred embodiments of which are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can visually and vividly understand each technical feature and the whole technical solution of the present invention, but it cannot be understood as a limitation to the scope of the present invention.

Referring to fig. 1 to 4, the embodiment of the utility model provides a low dynamic meter that meets an emergency of pile foundation, it includes casing 1, casing 1's inboard fixed surface is connected with fixed plate 2, the equal fixedly connected with slide rail 8 in left side that inboard surface just is located fixed plate 2 around casing 1, the internally mounted of slide rail 8 has adjustment mechanism, adjustment mechanism includes motor 16, lead screw 17, nut 18, connecting piece 20 and regulating roller 13, motor 16 fixed connection is at the inboard surface of slide rail 8, lead screw 17 fixed connection is at the output of motor 16, nut 18 swing joint is on the surface of lead screw 17, connecting piece 20 fixed connection is on the surface of nut 18, connecting piece 20 keeps away from the surface of nut 18 and is connected with the fixed surface of regulating roller 13, motor 16's output fixedly connected with bearing frame 19 is kept away from to lead screw 17, the outside surface of bearing frame 19 is connected with the inboard fixed surface of slide rail 8.

The inboard surface of casing 1 just is located the right side fixedly connected with circuit board 3 of fixed plate 2, and export 10 has been seted up to the left side surface of casing 1, and circuit board 3's fixed surface is connected with data line 7, and the inboard surface of casing 1 just is located the equal fixedly connected with guide post 9 of the left and right sides of slide rail 8, and the surface of data line 7 contacts with the surface of guide post 9 and the surface of regulating roller 13.

The surface of the data line 7 far away from the circuit board 3 penetrates through the fixing plate 2 and the outlet 10 to extend to the outer fixedly connected fixing block 11 of the shell 1, the data line 7 penetrates through the fixing block 11 and is fixedly connected with the probe 12, and the surface of the data line 7 is fixed with the fixing plate 2 and the fixing block 11.

The fixed surface of circuit board 3 is connected with vibration wave amplifier 5, and the fixed singlechip 4 that can be connected with in the surface of circuit board 3 and the right side that is located vibration wave amplifier 5, the interior bottom of casing 1 and the right side fixedly connected with battery 6 that is located fixed plate 2.

A touch screen 15 is fixedly connected to the front side surface of the housing 1 near the right side, and a switch button 14 is mounted on the front side surface of the housing 1 and on the right side of the touch screen 15.

The working principle is as follows: during the use, drive lead screw 17 through using motor 16 to rotate, thereby drive nut 18 drives dancer 13 and upwards moves, this moment has unnecessary data line 7 to be put out, then with probe 12 adhesion on the surface of pile foundation, strike the top of pile foundation through the hammer, make the pile foundation produce the vibration, and probe 12 collects the vibration that the pile foundation produced and transmits to the equipment and detect, after detecting and finishing, take off probe 12 from the surface of pile foundation, use motor 16 operation before the repetition afterwards, make dancer 13 downwards move, the data line 7 that exposes outside this moment can be tightened up the inside of casing 1.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. The utility model provides a low dynamic meter that meets an emergency of pile foundation, includes casing (1), its characterized in that, the inboard fixed surface of casing (1) is connected with fixed plate (2), the equal fixedly connected with slide rail (8) in left side that the inboard surface just is located fixed plate (2) around casing (1), the internally mounted of slide rail (8) has adjustment mechanism, adjustment mechanism includes motor (16), lead screw (17), nut (18), connecting piece (20) and regulating roller (13), motor (16) fixed connection is on the inboard surface of slide rail (8), lead screw (17) fixed connection is at the output of motor (16), nut (18) swing joint is on the surface of lead screw (17), connecting piece (20) fixed connection is on the surface of nut (18), the fixed surface that nut (18) were kept away from in connecting piece (20) is connected with the fixed surface of regulating roller (13).

2. The low-strain dynamic tester for the pile foundation according to claim 1, wherein a bearing seat (19) is fixedly connected to the output end of the screw rod (17) far away from the motor (16), and the outer side surface of the bearing seat (19) is fixedly connected with the inner side surface of the slide rail (8).

3. The low-strain dynamic testing instrument for the pile foundation according to claim 1, wherein the inner side surface of the shell (1) is fixedly connected with a circuit board (3) on the right side of the fixing plate (2), the left side surface of the shell (1) is provided with an outlet (10), and the surface of the circuit board (3) is fixedly connected with a data line (7).

4. The low-strain dynameter for pile foundation according to claim 3, wherein the surface of the data line (7) far away from the circuit board (3) penetrates through the fixing plate (2) and the outlet (10) and extends to the external fixedly connected fixing block (11) of the casing (1), and the data line (7) penetrates through the fixing block (11) and is fixedly connected with the probe (12).

5. The low-strain dynameter for pile foundations according to claim 4, characterized in that the inside surface of the housing (1) and the left and right sides of the slide rail (8) are both fixedly connected with guide posts (9), and the surface of the data line (7) is in contact with the surfaces of the guide posts (9) and the surface of the adjusting roller (13).

6. The low-strain dynamic testing instrument for the pile foundation according to claim 3, wherein the surface of the circuit board (3) is fixedly connected with a vibration wave amplifier (5), the surface of the circuit board (3) is fixedly connected with a single chip microcomputer (4) on the right side of the vibration wave amplifier (5), and the inner bottom of the shell (1) is fixedly connected with a storage battery (6) on the right side of the fixing plate (2).

7. The dynamic testing instrument for low strain of pile foundation according to claim 1 is characterized in that a touch screen (15) is fixedly connected to the front side surface of the casing (1) close to the right side, and a switch button (14) is installed on the front side surface of the casing (1) and on the right side of the touch screen (15).

8. A low strain dynamic tester for pile foundations according to claim 4, characterized in that the surface of the data line (7) is fixed to both the fixed plate (2) and the fixed block (11).