CN207457023U - Rock mass discontinuity finely positioning and permeability test section blocking test device - Google Patents

Abstract

The utility model provides the fine positioning of the rock mass structural surface and the sealing test device of the penetration test section. The drill hole of the rock mass is interspersed with a steel circular pressure water pipe. The pressure water pipes at the front and rear ends of the water outlet are respectively provided with special airbags with a large slidable expansion rate; the front end of the pressure water section is equipped with a drilling TV positioning device and a reverse waterproof endoscope probe, and the rear end is connected with other components ( Such as water tank, multi-channel air supply device, drilling TV implementation monitor and reverse waterproof endoscope probe monitoring terminal, etc.); multi-channel air supply device is connected to each air bag (more than 2 can be customized according to the drilling characteristics required) indivual). The utility model provides a supporting test device for fine positioning and permeability test of different groups of rock mass structural surfaces in drilling holes in any direction of the rock mass; Number of segments, enclosing the test segments within the desired specific study range.

Description

Fine positioning of rock mass structural plane and sealing test device for penetration test section

technical field

The utility model relates to a rock mass structural surface fine positioning and penetration test section sealing test device, which belongs to the field of rock mass permeability detection equipment.

Background technique

How to effectively evaluate the permeability of multi-scale structural planes inside the rock mass has always been related to the assessment and prediction of the permeability of rock mass structural planes such as high-level radioactive waste repositories. This patent fully considers the use of boreholes, and has developed a technical idea of fine positioning of boreholes and delineation of reasonable penetration test sections for embolization, aiming at the supporting devices for judging and evaluating water-conducting structural surfaces that may exist in underground engineering, which can be used in underground engineering. Drilling at any angle, without affecting the construction period, determine the permeability coefficient and possible hydraulic connection of a specific structural surface.

Utility model content

The utility model provides a rock mass structural surface fine positioning and penetration test section sealing test device aiming at the above existing problems.

The utility model adopts the following technical solutions:

The fine positioning of the rock structure surface and the sealing test device of the penetration test section include air bags, water outlets, drilling TV positioning devices, drilling TV implementation recording and observation instruments, reverse waterproof endoscope probe monitoring terminals, multi-channel air supply devices, Water tank, steel circular pressure water pipe, reverse waterproof endoscope probe; the steel circular pressure water pipe is provided with water outlets, and the steel circular pressure water pipes without water outlets at the front and rear of the water outlet are respectively provided with There is an air bag; the front end of the steel circular pressurized water pipe is equipped with a drilling TV positioning device and the other end is connected to the water tank; the multi-channel air supply device is connected to the water tank, and the multi-channel air supply device is equipped with a drilling TV to implement recording and observing instrument and The reverse waterproof endoscope probe monitoring terminal is connected to the drilling TV implementation recording observer and the drilling TV positioning device, and the reverse waterproof endoscope probe monitoring terminal is connected to the reverse waterproof endoscope probe; the reverse waterproof endoscope The probe extension is placed above the borehole TV positioning device.

The fine positioning of the rock mass structural surface and the sealing test device of the penetration test section described in the utility model, the air bag can be sleeved on the steel circular pressure water pipe and slide; the water-stop sealing end of the air bag is provided with a steel plate; A pressurized water section is formed between the two airbags mentioned above, and the test range of the pressurized water section is adjusted by the distance between the two airbags.

The fine positioning of the rock mass structural surface and the sealing test device of the penetration test section described in the utility model are characterized in that: it also includes a water stopper, and one end of the steel circular pressurized water pipe provided with a drilling TV positioning device is the The front end of the closed test device, the other end of the steel circular pressurized water pipe is the rear end of the closed test device; the air bag on the water outlet faces the steel plate at the rear end of the closed test device. Water stopper.

In the rock mass structural surface fine positioning and penetration test section sealing test device described in the utility model, the air bag at the rear of the water outlet is detachable. The airbags are all detachable.

The rock mass structure surface fine positioning and penetration test section sealing test device described in the utility model also includes a hook, and the steel plate end of the airbag is provided with a hook on one side of the water stopper.

The fine positioning of the rock mass structural surface and the sealing test device for the penetration test section described in the utility model, the water tank is used to press water into the steel circular pressure water pipe through the multi-channel air supply device and flow out from the water outlet; the multi-channel air supply device The device is also equipped with an air supply pipe, and the multi-channel air supply device presses the air into the air bag respectively through the air supply pipe; the drilling TV implements the recording and observation instrument through the data transmission line from the steel circular pressure water pipe and extends to connect to the borehole The TV positioning device, the monitoring terminal of the reverse waterproof endoscope probe penetrates through the transmission line from the steel circular pressure water pipe and extends to connect to the reverse waterproof endoscope probe.

The fine positioning of the rock mass structural surface and the closure test device of the penetration test section described in the utility model also include a water stop block, and the water stop block is arranged at the front end of the water outlet and pressed into the steel circular pressure water pipe.

The utility model is aimed at the fine positioning of the rock mass structural surface and the sealing test device for the penetration test section, and the rock mass needs to be tested for drilling and excavation. The test environment can be to drill a vertical hole downward on the ground for testing. In the underground space, the test can be carried out for boreholes with any angle, and the test can also be carried out for structural surfaces in multiple boreholes at the same time.

The installation steps are as follows:

1) Put the closed test device into the borehole slowly, advance along the extension direction of the borehole, and use the borehole TV at the front end of the pressurized water section to implement the recording and observation instrument to observe the different structural planes at each position in the rock body;

2) According to the situation of the structural surface identified by the drilling TV, the water outlet of the pressurized water section should be roughly stopped at the structural surface to be tested according to the needs. The position of the two airbags is based on the image information obtained in advance. Adjust the position back and forth until the position corresponds to the test position in the acquired image. First, pressurize the front airbag, and after it inflates without sliding, push the water stopper of the front airbag with a slender rod to close the front airbag and the steel circular pressure water pipe. the gap between. Then push the rear-end airbag to reach the required position in the same way, add air to the rear-end airbag to expand, and finally push the water stopper to block the gap. So far, an airtight pressurized water section is formed between the two inflated airbags. Then it is necessary to add water with fluorescent agent that meets the maximum water pressure required for the test into the water sealing section, and observe whether there is water seepage through the front end reverse endoscope probe and the back end to see if there is any leakage problem, if any, Continue to increase the pressure of the airbag, and sometimes apply anti-seepage material on the outside of the capsule according to needs to enhance the anti-seepage effect until there is no water seepage, and then add supporting test content (such as micro-water shock test module) as needed;

3) When the borehole TV implements the recording observer to reach the next structural plane, repeat the above steps to generate and record the joint structure image; finally, the required penetration test seals in the entire borehole can be finely identified and tested in real time.

Beneficial effect

The fine positioning of the rock mass structural surface and the sealing test device of the penetration test section provided by the utility model can adapt to drilling at any angle to carry out research on the water conduction characteristics of cracks for a specific group of structural surfaces; the length of the pressurized water section can be freely changed to delineate the water within a suitable range Pressurized water section.

The fine positioning of the rock mass structural surface and the closure test device of the penetration test section provided by the utility model pass a special rubber airbag (thinner before expansion, and its diameter after expansion can reach more than twice the diameter before expansion, and has high strength and high pressure resistance up to 15Mpa or more), can reduce the jamming problem caused by hole collapse, and can adapt to drilling with different diameters, and can adjust the length of the closed section of the test arbitrarily.

When the pressurized water section is filled with water, the sealing effect is monitored through the reverse endoscope probe. Subsequently, the required sensing modules can be fixed on the outside of the pressurized water section 5 as required, and the pressurized water test or micro-water shock test can be carried out by installing different equipment.

The fine positioning of the rock mass structural surface and the sealing test device of the penetration test section provided by the utility model can accurately locate the specific position of the required test part by using the visualization device in the borehole in the front section of the test system, and can record the crack situation to form a 360° high-definition photo Data, automatic splicing, and can record the drilling depth. The device has a high degree of integration and is divided into two parts. The test part is integrated with the multi-channel gas supply device and the visual monitoring record, which is convenient for disassembly and replacement of different test kit modules and water pressure devices of different lengths. The pressurized water device can feed back the water pressure according to the situation of the cracks on site, and then can determine the required water supply air pressure.

Description of drawings

Fig. 1 is the utility model equipment connection schematic diagram;

Fig. 2 is the sliding schematic diagram of equipment of the present utility model;

Fig. 3 is a schematic diagram of the arrangement state of the water stop block of the present utility model;

Fig. 4 is a schematic diagram of the utility model equipment entering the rock mass;

Fig. 5 is a schematic diagram of the test state of the device of the present invention after the air bag is inflated.

In the figure, 1 is the transmission line and the air supply pipe of the airbag, the 2nd is the airbag, the 3rd is the hook, the 4th is the water outlet, the 5th is the pressurized water section, the 6th is the drilling TV positioning device, the 7th is the drilling TV implementation record observation instrument, and the 8th is the reverse To the waterproof endoscope probe monitoring terminal, 9 is a multi-channel air supply device, 10 is a water tank, 11 is a water stopper, 12 is a steel circular pressure water pipe, 13 is a reverse waterproof endoscope probe, and 14 is adding fluorescent light The water of agent; 15 is a water stop block.

Detailed ways

In order to make the purpose and technical solutions of the embodiments of the present utility model clearer, the technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present utility model. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the described embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative work all belong to the scope of protection of the present invention:

As shown in Figure 1 and Figure 2: the fine positioning of the rock mass structural surface and the sealing test device of the penetration test section, including the transmission line and the air bag air supply pipe 1, the air bag 2, the water outlet 4, the water pressure section 5, the drilling TV positioning device 6, Drilling TV implementation recorder 7, reverse waterproof endoscope probe monitoring terminal 8, multi-channel air supply device 9, water tank 10, steel circular pressure water pipe 12; reverse waterproof endoscope probe 13, steel circular A pressure water section 5 is provided at the front portion of the pressure water pipe 12, and a water outlet 4 is provided on the water pressure section 5, and an air bag 2 is respectively arranged on the water pressure section 5 at the front and rear of the water outlet 4; one end of the water pressure section 5 There is a drilling TV positioning device 6, and the other end is connected to the water tank 10; the multi-channel air supply device 9 is connected to the water tank 10, and the multi-channel air supply device 9 is provided with a drilling TV implementation recording observer 7 and a reverse waterproof endoscope The mirror probe monitoring terminal 8, the drilling TV implementation record observer 7 is connected with the drilling TV positioning device 6, the reverse waterproof endoscope probe monitoring terminal 8 is connected with the reverse waterproof endoscope probe 13; the reverse waterproof endoscope The probe 13 is extended and placed above the borehole TV positioning device 6 . The water stop block is arranged at the front end of the water outlet and pressed into the steel circular pressure water pipe.

The fine positioning of the rock mass structural surface and the closed test device of the penetration test section, the airbag 2 is set on the steel slide; One side of the water stopper 11 on the steel plate end of 2 is provided with a hook 3; the distance between the two airbags 2 can be adjusted, and the filling in the water pressure section 5 can be controlled by the distance between the two airbags 2. water volume.

The steel circular pressurized water pipe 12 of the closed test device for the fine positioning of the rock mass structural surface and the penetration test section is provided with a drilling TV positioning device 6. One end is the front end of the closed test device, and the other end of the steel circular pressurized water pipe 12 is It is the rear end of the closed test device; the air bag 2 on the water outlet 4 is respectively provided with water stoppers 11 on the steel plates facing the rear end of the closed test device.

The air bag 2 at the rear part of the water outlet 4 (both) is detachable; Search and record the position of the structural surface to be tested.

As shown in Figure 4: the fine positioning of the rock mass structural surface and the closed test device of the penetration test section, the water tank 10 will press the water added with the fluorescent agent into the steel circular pressure water pipe 12 through the multi-channel air supply device 9 and the water outlet 4 will go out; The channel air supply device 9 is also provided with an air supply pipe, and the multi-channel air supply device 9 presses the water 14 added with fluorescent agent into the pressurized water section 5 through the water tank connected by the air supply pipe; the reverse waterproof endoscope probe monitoring terminal 8 respectively passes The steel circular pressurized water pipe 12 enters and extends to be connected to the reverse waterproof endoscope probe 13 to be connected to monitor whether there is any water leakage in the front-end test.

When testing in the borehole in the underground excavation space, push the device into the borehole that needs to be tested, and record the required water pressure section according to the drill hole TV at the front of the device during the forward advancement process position, put the test device into the inner joint of the borehole, and push the airbag 2 to slide against the steel plate end of the airbag 2 through the long rod-shaped U-shaped hook, or hook the hook 3 to pull the airbag 2 back to the pressurized water section 5 Fine-tune the spacing of the water pressure section to accurately locate the water pressure section; after the position of the water pressure section 5 is determined, the air bag 2 at the front end is first inflated through the multi-channel air supply device to expand the air pressure to make it expand and stick to the inner wall of the borehole, and the water stopper 11. Insert it into the gap between the air bag 2 and the steel circular pressure water pipe 12. After adjusting it to a suitable position, inflate the air bag at the rear end to make it expand and stick to the inner wall of the drilled hole. Insert the water stopper 11 into the air bag 2 and the space between the steel circular pressure water pipe 12, an airtight pressure water section is formed between the two inflated airbags, and then the water body is passed into the water pressure section. After the water 14 added with fluorescent agent is passed through, observe whether there is any water leakage. If there is, continue to increase the pressure of the airbag and apply anti-seepage material on the surface of the airbag if necessary, until there is no leakage, and the device is set up.

Those skilled in the art can understand that, unless otherwise defined, all terms (including technical terms and scientific terms) used herein have the same meanings as commonly understood by those of ordinary skill in the art to which the present invention belongs. It should also be understood that terms such as those defined in commonly used dictionaries should be understood to have a meaning consistent with the meaning in the context of the prior art, and will not be interpreted in an idealized or overly formal sense unless defined as herein explain.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto, and any person familiar with the technical field can easily think of All changes or replacements should fall within the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be based on the protection scope of the claims.

Claims (8)

1. The fine positioning of the rock mass structural surface and the sealing test device of the penetration test section are characterized in that it includes an air bag (2), a water outlet (4), a drilling TV positioning device (6), and a drilling TV implementation recording and observing instrument (7 ), reverse waterproof endoscope probe monitoring terminal (8), multi-channel gas supply device (9), water tank (10), steel circular pressure water pipe (12), reverse waterproof endoscope probe (13); The steel circular pressure water pipe (12) is provided with a water outlet (4), and the steel circular pressure water pipe (12) without water outlet at the front and rear of the water outlet (4) is respectively provided with an air bag (2) The front end of the steel circular pressure water pipe (12) is provided with a drilling TV positioning device (6) and the other end is connected with the water tank (10); the multi-channel air supply device (9) is connected with the water tank (10), and the multi-channel air supply The device (9) is equipped with a borehole TV implementation record observer (7) and a reverse waterproof endoscope probe monitoring terminal (8), a borehole TV implementation record observer (7) and a borehole TV positioning device (6) connected, the reverse waterproof endoscope probe monitoring terminal (8) links to each other with the reverse waterproof endoscope probe (13); above. 2. The rock mass structural surface fine positioning and penetration test section sealing test device according to claim 1, characterized in that: the air bag (2) can be sleeved on the steel circular pressure water pipe (12) to slide; The water-tight closed end of the airbag (2) is provided with a steel plate; the water pressure section (5) is formed between the two airbags (2), and the water pressure section (5) is adjusted by the distance between the two airbags (2). 5) The scope of the test. 3. According to claim 1 or 2, the fine positioning of the rock mass structure surface and the sealing test device for the penetration test section are characterized in that: it also includes a water stopper (11), and the steel circular pressurized water pipe (12) One end provided with the drilling TV positioning device (6) is the front end of the closed test device, and the other end of the steel circular pressurized water pipe (12) is the rear end of the closed test device; the water outlet (4) Water stoppers (11) are respectively provided on the steel plate facing the rear end of the air bag (2) on the closed test device. 4. The rock mass structural surface fine positioning and penetration test section sealing test device according to claim 3, characterized in that: the airbags (2) are all detachable. 5. The fine positioning of rock mass structural surface and sealing test device for penetration test section according to claim 1, characterized in that: the airbags (2) can be provided with multiple groups; multiple groups of airbags (2) are formed between multiple groups Pressurized water section. 6. The rock mass structure surface fine positioning and penetration test section sealing test device according to claim 3, characterized in that: it also includes a hook (3), a water stopper on the steel plate end of the air bag (2) One side of (11) is provided with hook (3). 7. The rock mass structural surface fine positioning and penetration test section sealing test device according to claim 1, characterized in that: the drilling TV implements the recording and observing instrument (7) from the steel circular pressure water pipe (12) through the data transmission line Penetrate and extend to be connected to the drilling TV positioning device (6); the multi-channel air supply device (9) is also provided with an air supply pipe, and the multi-channel air supply device (9) presses the gas into the air bag (2) respectively through the air supply pipe ) internal expansion; the water (14) with the fluorescent agent in the described water tank (10) is pressed into the steel circular pressure water pipe (12) by the multi-channel air supply device (9) and is discharged from the water outlet (4) Outflow; the reverse waterproof endoscope probe (13) passes through the steel circular pressure water pipe (12) through the data transmission line and extends to connect to the reverse waterproof endoscope probe monitoring terminal (8). 8. The rock mass structure surface fine positioning and penetration test section sealing test device according to claim 1 is characterized in that: it also includes a water stop block (15), and the water stop block (15) is arranged at the water outlet ( 4) the front end is pressed into the steel circular pressure water pipe (12).