CN217818559U - Side slope stock length detection device based on TDR - Google Patents
Side slope stock length detection device based on TDR Download PDFInfo
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- CN217818559U CN217818559U CN202220664958.0U CN202220664958U CN217818559U CN 217818559 U CN217818559 U CN 217818559U CN 202220664958 U CN202220664958 U CN 202220664958U CN 217818559 U CN217818559 U CN 217818559U
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- main tank
- length detection
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Abstract
The utility model discloses a side slope stock length detection device based on TDR, including the main tank body and two cables, the main tank body top is the opening and installs the frame division board, is provided with two binding post, panel computer on the frame division board, still be provided with signal transceiver module and battery in the main tank body of frame division board bottom, battery and signal transceiver module and panel computer connection, signal transceiver module is connected with two binding post, and two cables can dismantle with two binding post respectively and be connected, the main tank body top still is provided with the case lid, the case lid links with the main tank body axle. The utility model discloses conveniently carry, it is practical convenient, improve detection efficiency greatly.
Description
Technical Field
The utility model relates to a nondestructive test field, concretely relates to side slope stock length detection device based on TDR.
Background
The anchor rods are commonly used for reinforcing and supporting in surface engineering such as side slopes, rock-soil deep foundation pits and the like and underground chamber construction such as tunnels, stopes and the like. The anchor rod is buried in rock or soil, and soil layers and rock layers slide, so that the stress state of the anchor rod is changed, and the anchor rod is broken and fails. On the other hand, the slope reinforcement support belongs to hidden engineering, if the construction quality can not be well guaranteed, if the tension is insufficient, the grouting is not compact, even if the length of an anchor rod is short, the stability of the slope can be seriously reduced, safety accidents are caused, and the major social and economic losses are caused. The method has great significance for detecting the length of the side slope anchor rod and evaluating the stability of the side slope.
The time domain electromagnetic reflection technology, TDR for short, is an application of radar detection technology. The method is mainly applied to the communication industry in the early stage and is used for detecting the breakpoint position of a communication cable. The TDR technology is applied to the field of geotechnical engineering in the 70 th century, the TDR technology is adopted in hong Kong to detect the length of a slope anchor rod, a TDR detection system can be formed by combining two anchor rods or an anchor rod and a lead in the field, an electric pulse signal is transmitted to the anchor rods or the lead, an electromagnetic field is formed between the two conductors and is transmitted in the space between the two conductors due to the principle of electromagnetic induction, when the electromagnetic wave is transmitted to a characteristic impedance mutation position, the electromagnetic wave is reflected, and the length of the anchor rod can be determined by reflecting the two-way time of the pulse.
Although from the technical aspect, the TDR technology can realize the effective detection of stock length, but during the field detection, the equipment that adopts integrates the degree lower because all are independent modules, and is very inconvenient to carry and use, has greatly influenced use experience.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide a side slope stock length detection device based on TDR, conveniently carry, it is practical convenient, improve detection efficiency greatly.
In order to solve the technical problem, the utility model provides a side slope stock length detection device based on TDR, including the main tank body and two cables, the main tank body top is the opening and installs the frame division board, is provided with two binding post, panel computer on the frame division board, still be provided with signal transceiver module and battery in the main tank body of frame division board bottom, the battery is connected with signal transceiver module and panel computer, signal transceiver module is connected with two binding post, and two cables can dismantle with two binding post respectively and be connected, the main tank body top still is provided with the case lid, the case lid links to each other with the main tank body axle.
Furthermore, the corners of the bottom of the main box body are provided with damping rubber.
Furthermore, the surface of the main box body is provided with straps.
Furthermore, a lifting handle is arranged at the top of the box cover.
Furthermore, the inner surface of the box cover is provided with a net bag, and the net bag is used for containing two cables.
Furthermore, a mechanical adjusting support rod is arranged between the box cover and the main box body.
Further, the battery is connected with a battery management module.
Furthermore, an external USB interface, a power interface and a power supply switch are further arranged on the frame isolation plate.
The utility model has the advantages that:
1. the utility model discloses detection device is small and exquisite portable, and easy operation more is fit for the detection of job site, greatly reduced construction and detection cost.
2. The utility model discloses a setting of frame division board can keep apart signal transceiver module and battery in the main tank body, guarantees that frame division board surface is clean and tidy, and operating comfort improves greatly; the tablet personal computer is small in size, meets the requirement of detection operation, and reduces the whole weight and size.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural view of the frame isolation board of the present invention after being fixed.
Detailed Description
The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
Referring to fig. 1 and 2, the utility model discloses a side slope stock length detection device based on TDR's, including main tank body 1 and two cables 2, the main tank body top is the opening and installs frame division board 3, be provided with two binding post 4 on the frame division board, panel computer 5, still be provided with signal transceiver module 6 and battery 7 in the main tank body of frame division board bottom, the battery does not leak with signal transceiver module, also protect battery safety in utilization, the battery is connected with signal transceiver module and panel computer and is used for the power supply, of course the panel computer also can be through the battery power supply use of taking oneself, signal transceiver module 6 is connected with two binding post 4, two cables 2 can be dismantled with two binding post 4 respectively and be connected, the main tank body top still is provided with case lid 8, case lid and main tank body coupling, the case lid closes the back, can the lock solid fixed between case lid and the main tank body.
The corner at the bottom of the main box body is provided with damping rubber for damping and buffering, and the main box body can be protected. The case lid top is provided with carries the handle, conveniently carries and draws detection device of taking, and the main tank body surface is provided with the braces, conveniently hangs the shoulder and takes to when the side slope is used, the braces can also collude and establish on the stock, play fixed detection device's effect, avoid the main tank body to detect inconveniently because of the slope slides.
For the cable accomodate convenient, be provided with string bag 9 at the case lid internal surface, the string bag is used for accomodating two cables 2. Because of being at outdoor detection, when sunshine is strong, there is the problem that the screen can not be seen clearly such as reflection of light, consequently is provided with mechanical regulation vaulting pole 10 between case lid 8 and main tank body 1, and it is fixed through the mechanical regulation vaulting pole through the degree of opening and shutting of adjusting the case lid, can effectually carry out the sunshade, improves and detects experience and feel.
The battery is connected to the battery management module 11 for detecting the battery power. Still be provided with external USB interface 12, power source 13 and power switch 14 on the frame division board, external USB interface is used for connecting data storage equipment such as USB flash disk, derives the signal data that detection device gathered, and power source is used for carrying out the external power supply for detection device, can insert portable power source or power adapter, and it still is used for charging for the battery, and power switch then is used for detection device switch-on or closes the power supply.
The tablet computer 5 is a core of the detection device, is provided with detection software in an installing and running mode, can display the detection software through a screen, and can perform touch screen operation. The detection software is used to control and operate the detection device and display the detected waveform. The signal transceiver module 6 is used for generating and receiving electric pulse signals. The transmission pulse parameters can be set through detection software, the pulse width variable gears are 5ns, 10ns, 20ns and 40ns, and the set pulse width variable gears can control the signal receiving and transmitting module to generate electric pulse signals with corresponding pulse widths. The signal transceiver module can receive the reflected electric pulse signal, the vertical resolution is 8bits, the sampling frequency is 1GS/s, the storage capacity is 64K, and the bandwidth is 250MHz. The detection software has the functions of filtering, fast Fourier Transform (FFT) analysis and calculation and the like, can simply process the reflected signals, and stores the signal data through the detection software.
When the device is used for field detection, the two cables 2 are respectively connected to one anchor rod and one lead, the transmitting end transmits an electric pulse signal to a TDR system consisting of the anchor rod and the lead, the reflected pulse signal is received by the device, and the length of the anchor rod is calculated through the two-way time of the reflected pulse.
The cable can be connected to two anchor rods, and the process of embedding the conducting wire is omitted.
The utility model discloses the device is portable, easy operation, low cost, easily uses widely. And the detection result has strong reliability and high accuracy.
The above embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitution or transformation made by the technical personnel in the technical field on the basis of the utility model is within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.
Claims (8)
1. The utility model provides a side slope stock length detection device based on TDR, its characterized in that, includes the main tank body and two cables, the main tank body top is the opening and installs the frame division board, is provided with two binding post, panel computer on the frame division board, still be provided with signal transceiver module and battery in the main tank body of frame division board bottom, the battery is connected with signal transceiver module and panel computer, signal transceiver module is connected with two binding post, and two cables can dismantle with two binding post respectively and be connected, the main tank body top still is provided with the case lid, the case lid links with the main tank body axle.
2. The TDR-based slope anchor rod length detection device of claim 1, wherein a damping rubber is arranged at a corner of the bottom of the main box body.
3. The TDR-based slope anchor length detecting device of claim 1, wherein the main box body surface is provided with a strap.
4. The TDR-based slope anchor rod length detection device as claimed in claim 1, wherein a lifting handle is arranged on the top of the box cover.
5. The TDR-based slope anchor rod length detection device of claim 1, wherein the inner surface of the box cover is provided with a net bag for accommodating two cables.
6. The TDR-based slope anchor rod length detection device of claim 1, wherein a mechanical adjusting stay bar is arranged between the box cover and the main box body.
7. The TDR-based slope bolt length detection device of claim 1, wherein the battery is connected to a battery management module.
8. The TDR-based slope anchor rod length detection device of claim 1, wherein the frame isolation plate is further provided with an external USB interface, a power interface and a power supply switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220664958.0U CN217818559U (en) | 2022-03-25 | 2022-03-25 | Side slope stock length detection device based on TDR |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220664958.0U CN217818559U (en) | 2022-03-25 | 2022-03-25 | Side slope stock length detection device based on TDR |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217818559U true CN217818559U (en) | 2022-11-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220664958.0U Active CN217818559U (en) | 2022-03-25 | 2022-03-25 | Side slope stock length detection device based on TDR |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217818559U (en) |
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2022
- 2022-03-25 CN CN202220664958.0U patent/CN217818559U/en active Active
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