CN203772806U - Rigid wave guide rod for rock-soil body - Google Patents

Abstract

The utility model discloses a rigid wave guide rod for a rock-soil body, and relates to a wave guiding device. The rigid wave guide rod comprises a wave guide rod main body, a guiding device and a waterproof mounting box, wherein a main body head female thread is arranged on the head of the wave guide rod, the tail part of the guiding device is connected with the main body head female thread, a main body tail male thread is arranged at the tail of the wave guide rod main body, the waterproof mounting box is provided with a mounting box connecting head, a tube sleeve, an end cover and a cable gland, the mounting box connecting head is connected with the main body tail male thread through a fastening nut, a sensor connecting thread for externally connecting a sensor is arranged on the upper part of the mounting box connecting head, the mounting box connecting head is sleeved with one end of the tube sleeve, the end cover is arranged on the other end of the tube sleeve, and the cable gland is arranged on the end cover. According to the rigid wave guide rod, the tiny earthquake space which has a deep rock-soil body can be detected, wherein the sensor cannot reach the space, and the waveform and energy of original wave can be directly guided from the deep position of the rock-soil body with small energy loss and maintaining of the original wave form characteristic, so that measurement can be carried out and the internal change of the rock-soil body can be accurately changed.

Description

Rock And Soil rigidity guided wave bar

Technical field

The utility model relates to a kind of keying wave device, especially relates to waveform and the energy that can in ground, pick up ripple, derives ripple, the Rock And Soil rigidity guided wave bar that the space that cannot arrive sensor is detected from ground depths.

Background technology

The energy loss that ripple is propagated in ground is very large, and the ripple that some energy are less cannot be transmitted to the installing space of detecting sensor; In engineering, cannot know the changing condition of these ground inside, thereby lose the safety monitoring to this position.

Chinese patent CN101718579A discloses a kind of method and system of measuring shear wave velocity of rock soil, and first the method produces at the moment t0 shearing wave that frequency is f1 by vibration source; At moment t0+tc flip-flop number, start counting, the frequency of the trigger pulse of counter is f2, and wherein, tc is default flip-flop number time delay; The detection signal that comprises shearing wave that is positioned at the demodulation probe output at n place, wellhole position is carried out to anti-interference process, the square wave that the output frequency that obtains inputing to shearing wave receiving processing circuit is f1, wherein, n >=0; Counter stops counting when shearing wave receiving processing circuit receives the moment t1 (n) of square wave; The computing formula of the comprehensive shear wave velocity of stroke between position n and described vibration source is:

$\stackrel{\‾}{\mathrm{Vs}\left(n\right)}=\frac{D\left(n\right)}{N\left(n\right)/(f2\×{10}^3)+\mathrm{tc}-(t1\left(0\right)-t0)}.$

This invention can effectively improve the measuring accuracy of shear wave velocity of rock soil.

Summary of the invention

The purpose of this utility model is to provide the small earthquake (acoustic emission) that can detect space ground profound level, that sensor cannot arrive, with very little energy loss (with respect to the energy loss of ground) and the original waveform characteristic of maintenance, directly, from the profound waveform of original ripple and the device of energy of deriving of ground, supply with a kind of Rock And Soil rigidity guided wave bar of measuring.

The utility model is provided with guided wave bar main body, guiding device, waterproof mounting box; Described guided wave bar body head is provided with body head box thread, the afterbody of guiding device is connected with body head box thread, described guided wave bar main body afterbody is provided with main body afterbody male thread, described waterproof mounting box is provided with mounting box connector, jacket casing, end cap and cable Ge Lan head, mounting box connector is connected with main body afterbody male thread by clamp nut, the top of mounting box connector is provided with the sensor connecting thread for external sensor, one end of described jacket casing is enclosed within on mounting box connector, the other end of jacket casing is installed end cap, and cable Ge Lan head is located on end cap.

Described guided wave bar main body can adopt the equilateral rod of stainless steel hexagonal.

Described guided wave bar main body can be right cylinder, and right cylinder two ends can be provided with the equidistant line of hexagon, cylindrical cross-sectional diameter can >=20mm, cylindrical length can be 1.5～2m; Guided wave bar main body afterbody can be installed waterproof junction box.

Between one end of described jacket casing and mounting box connector, weld.

The junction of described end cap and jacket casing can scribble neutral Waterproof glue line; Inside and outside the signal wire place of drawing of described cable Ge Lan head, can scribble neutral Waterproof glue line.

The utility model provides the waveform of original ripple and the device of energy at a kind of direct conduction ground deep layer place, guided wave bar main body is buried to ground deep layer place, make original ripple avoid the space structure that ground is inner complicated and changeable, along the good steel medium of conducting effect, be directly transferred to required place, more accurately monitor ground interior change.

Accompanying drawing explanation

Fig. 1 is that the structure of the utility model embodiment forms schematic diagram.

Fig. 2 is the structural representation of the waterproof mounting box of the utility model embodiment.

In figure, be respectively labeled as: 1. guided wave bar main body, 2. guiding device, 3. body head box thread, 4. main body afterbody male thread, 5. waterproof mounting box, 6. clamp nut, the 7. equidistant line of hexagon, 8. mounting box connector, 9. sensor connecting thread, 10. jacket casing, 11. end caps, 12. cable Ge Lan heads.

Embodiment

As illustrated in fig. 1 and 2, the utility model embodiment is provided with guided wave bar main body 1, guiding device 2, waterproof mounting box 5, described guided wave bar main body 1 head is provided with body head box thread 3, the afterbody of guiding device 2 is connected with body head box thread 3, described guided wave bar main body 1 afterbody is provided with main body afterbody male thread 4, described waterproof mounting box 5 is provided with mounting box connector 8, jacket casing 10, end cap 11 and cable Ge Lan 12, mounting box connector 8 is connected with main body afterbody male thread 4 by clamp nut 6, the top of mounting box connector 8 is provided with the sensor connecting thread 9 for external sensor, one end of described jacket casing 10 is enclosed within on mounting box connector 8, the other end of jacket casing 10 is installed end cap 11, cable Ge Lan 12 is located on end cap 11.

The two ends of described guided wave bar main body 1 are provided with the equidistant line 7 of hexagon.

Described guided wave bar main body 1 is cylindrical, its cross-sectional diameter can >=20mm, length can be 1.5～2m; Guided wave bar main body afterbody can be installed waterproof junction box, for example IP66 type waterproof junction box.

Welding between one end of described jacket casing 10 and mounting box connector 8.

Described end cap 11 scribbles neutral Waterproof glue line with the junction of jacket casing 10; Inside and outside the signal wire place of drawing of described cable Ge Lan 12, scribble neutral Waterproof glue line.

Engineering is used while installing, guiding device 2 and guided wave bar main body 1 part are deep into ground deep layer inside, only expose main body afterbody male thread 4, first tighten nut 6, again waterproof mounting box 5 is screwed to the end of to, again tightens clamp nut 6, complete the connection of guided wave bar, installation of sensors, to the sensor connecting thread in waterproof mounting box 5, can be detected to the waveform of ground inside.

Wherein the material of all material adopts stainless steel 304 to process, and improves its buried decay resistance in ground; Wherein guided wave bar main body 1 can adopt many, and its headtotail, according to the degree of depth needs of engineering design, selects to connect the radical of guided wave bar.The head of guided wave bar main body, afterbody are processed into respectively supporting box thread, the male thread that can be connected, for lengthening the total length of guided wave bar; Wherein the equidistant line 7 of hexagon is that instrument bayonet socket in order to be fastenedly connected is required and design.

Sensor should be fastening with being connected of sensor connecting thread 9, makes the coupling effect between guided wave bar and sensor good, reduces energy loss; After end cap installation, can inside and outside the screw thread place connecting and cable Ge Lan head (the signal wire place of drawing), coat neutral marine glue.

The utility model can be transmitted to the original wave source of ground deep layer in needed space along guided wave bar.Take iron and steel as medium, can directly conduct waveform and the energy of original wave source.Can head between many guided wave bars, afterbody is threaded mutually, is convenient to onsite moving and installation.

Claims (7)

1. Rock And Soil rigidity guided wave bar, is characterized in that being provided with guided wave bar main body, guiding device, waterproof mounting box; Described guided wave bar body head is provided with body head box thread, the afterbody of guiding device is connected with body head box thread, described guided wave bar main body afterbody is provided with main body afterbody male thread, described waterproof mounting box is provided with mounting box connector, jacket casing, end cap and cable Ge Lan head, mounting box connector is connected with main body afterbody male thread by clamp nut, the top of mounting box connector is provided with the sensor connecting thread for external sensor, one end of described jacket casing is enclosed within on mounting box connector, the other end of jacket casing is installed end cap, and cable Ge Lan head is located on end cap.

2. Rock And Soil rigidity guided wave bar as claimed in claim 1, is characterized in that described guided wave bar main body adopts the equilateral rod of hexagonal.

3. Rock And Soil rigidity guided wave bar as claimed in claim 1, is characterized in that described guided wave bar main body is right cylinder, and right cylinder two ends are provided with the equidistant line of hexagon, cylindrical cross-sectional diameter >=20mm, and cylindrical length is 1.5～2m.

4. Rock And Soil rigidity guided wave bar as claimed in claim 1, is characterized in that described guided wave bar main body afterbody installs waterproof junction box.

5. Rock And Soil rigidity guided wave bar as claimed in claim 1, is characterized in that welding between one end of described jacket casing and mounting box connector.

6. Rock And Soil rigidity guided wave bar as claimed in claim 1, is characterized in that the junction of described end cap and jacket casing scribbles neutral Waterproof glue line.

7. Rock And Soil rigidity guided wave bar as claimed in claim 1, is characterized in that scribbling neutral Waterproof glue line inside and outside the signal wire place of drawing of described cable Ge Lan head.