CN113533068A - Sealing device, installation method and sealing system based on deep rock mass test - Google Patents
Sealing device, installation method and sealing system based on deep rock mass test Download PDFInfo
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- CN113533068A CN113533068A CN202110882230.5A CN202110882230A CN113533068A CN 113533068 A CN113533068 A CN 113533068A CN 202110882230 A CN202110882230 A CN 202110882230A CN 113533068 A CN113533068 A CN 113533068A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
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Abstract
The invention discloses a sealing device, an installation method and a sealing system based on a deep rock mass test, wherein the device is used for carrying out a sealing test on a surrounding rock test block and comprises the following steps: the heat-shrinkable tube sleeve comprises a left tube section, a middle tube section and a right tube section; the middle pipe section is used for enveloping the surrounding rock test block; the first permeable stone and the first pressure head are sequentially arranged on the left pipe section; the first pressure head is provided with a first water inlet structure communicated with the outside; a circle of first grooves are formed in the side wall of the first pressure head, and a circle of first sealing rings are arranged in the first grooves; the second permeable stone and the second pressure head are sequentially arranged on the right pipe section; the second pressure head is provided with a second water inlet structure communicated with the outside; a circle of second groove is formed in the side wall of the second pressure head, and a circle of second sealing ring is arranged in the second groove; the first cutting ferrule and the second cutting ferrule are respectively sleeved on the periphery of the heat-shrinkable tube sleeve. Can be widely applied to the technical field of comprehensive detection of deep rock mass.
Description
Technical Field
The invention belongs to the technical field of comprehensive detection of deep rock masses, and particularly relates to a sealing device, an installation method and a sealing system based on a deep rock mass test.
Background
At present, along with the development of deep underground engineering such as underground power stations, underground energy storage, radioactive nuclear waste geological disposal, deep mines, high-temperature rock mass geothermal development and the like, rock mass mechanical response which is stronger than that of shallow rock masses and is generated by complex occurrence environments in the engineering is more and more concerned. The progressive failure mechanism of the rock under the coupling action of the complex field becomes the leading-edge subject of the fields of rock mechanics and engineering. The indoor test is an important means for rock mechanics research under the complex multi-field coupling effect. However, although the development of rock mechanics indoor experimental research is relatively rapid at home and abroad, the relevant indoor experimental research under the complex temperature-seepage-stress coupling condition is still in the development stage. The most first problem in rock laboratory test research under the complex multi-field coupling condition is the rock sample sealing problem. In an actual test, for a rock mechanical test under a complex temperature-seepage-stress coupling condition, the requirement on an experimental device is more strict, once a rock rheological test under the complex coupling condition is carried out, the experiment difficulty is greatly increased due to the fact that the experiment time is longer, at the moment, the long-term sealing problem of a rock sample becomes particularly prominent, and the rock sample is difficult to achieve the expected effect in sealing.
Therefore, the rock mechanical test under the complex temperature-seepage-stress coupling condition has the problems of poor sealing effect, and further the accuracy and reliability of test data are directly influenced;
that is, for the mechanical test of deep rock mass, how to ensure the sealing reliability of the rock sample under the complex temperature-seepage-stress coupling condition is a key factor influencing the accuracy of the final test data, so the above problems are technical problems to be solved urgently in the field.
Disclosure of Invention
The invention aims to solve the technical problem of how to provide a sealing device, an installation method and a sealing system based on a deep rock mass test, so as to solve at least part of technical problems.
In order to solve at least some of the above technical problems, in a first aspect, the present invention provides a sealing device based on deep rock mass test, the sealing device is used for performing a sealing test on a surrounding rock test block, and the sealing device includes: the heat-shrinkable tube sleeve comprises a left pipe section, a middle pipe section and a right pipe section; the middle pipe section is used for enveloping the surrounding rock test block; the first permeable stone and the first pressure head are sequentially arranged on the left pipe section; the first pressure head is provided with a first water inlet structure communicated with the outside and used for guiding outside water to the first permeable stone, and the first permeable stone guides the water guided by the first pressure head to the middle pipe section; a circle of first grooves are further formed in the side wall of the first pressure head, and a circle of first sealing rings are arranged in the first grooves; the second permeable stone and the second pressure head are sequentially arranged on the right pipe section; the second pressure head is provided with a second water inlet structure communicated with the outside and used for guiding outside water to the second permeable stone, and the second permeable stone guides the water guided by the second pressure head to the middle pipe section; a circle of second groove is further formed in the side wall of the second pressure head, and a circle of second sealing ring is arranged in the second groove; the first clamping sleeve is sleeved on the periphery of the left pipe section, and the arrangement position of the first clamping sleeve is superposed with that of the first sealing ring; and the second clamping sleeve is sleeved on the periphery of the right pipe section, and the sleeving position of the second clamping sleeve is superposed with the arrangement position of the second sealing ring.
In the first aspect, the sealing device further comprises: set up first water inlet structure with the last water guide passageway of second water inlet structure, the water guide passageway is evenly laid first pressure head or the second pressure head is pressed close to the cobweb-shaped structure on one side of first permeable stone or second permeable stone, just cobweb-shaped structure's center assembles extremely the center of first pressure head or second pressure head, the center of first pressure head or second pressure head all sets up the outside infiltration passageway of a intercommunication.
In the first aspect, the water guide passage includes a radial water guide passage and a circumferential water guide passage; the radial water guide channel comprises a plurality of linear water channels, one ends of the linear water channels are positioned at the edge of the first pressure head or the second pressure head, and the other ends of the linear water channels are intersected at the center of the first pressure head or the second pressure head and communicated with the permeation channel; wherein an included angle between any two adjacent linear water tanks is 15-30 degrees; the annular water guide channel comprises a plurality of circular water channels with diameters increasing in sequence, and the circle center of each circular water channel coincides with the center of the first pressure head or the center of the second pressure head.
In a first aspect, the first water-permeable stone includes a plurality of water-permeable holes uniformly arranged on a side wall of the first water-permeable stone along a length direction of the heat-shrinkable tube sleeve, a water inlet end of each water-permeable hole is used for receiving water flowing from the water guide channel, a water outlet end of each water-permeable channel is used for draining the water received by the water inlet end to the middle tube section and/or the second water-permeable stone includes a plurality of water-permeable holes uniformly arranged on a side wall of the second water-permeable stone along a length direction of the heat-shrinkable tube sleeve, a water inlet end of each water-permeable hole is used for receiving the water flowing from the water guide channel, and a water outlet end of each water-permeable channel is used for draining the water received by the water inlet end to the middle tube section.
In a first aspect, the first or second ferrule each comprises: the connecting device is used for detachably connecting the other end of the long strip structure to form the annular clamping sleeve.
In a first aspect, the connecting member is one of the following: a bolt or a spring catch.
In a first aspect, the first ferrule, the second ferrule, the first seal ring, and the second seal ring are all made of a high temperature resistant material.
In a first aspect, the first pressure head, the second pressure head, the first permeable stone and the second permeable stone are all coaxially arranged.
In a second aspect, the invention provides a method for installing a sealing device based on a deep rock mass test, which comprises the following steps: arranging the surrounding rock test block in the middle pipe section of the heat-shrinkable sleeve; arranging the first permeable stone and the first pressure head on the left pipe section in sequence; the first pressure head is provided with a first water inlet structure communicated with the outside and used for guiding outside water to the first permeable stone, and the first permeable stone guides the water guided by the first pressure head to the middle pipe section; a circle of first grooves are further formed in the side wall of the first pressure head, and a circle of first sealing rings are arranged in the first grooves; the second permeable stone and the second pressure head are sequentially arranged on the right pipe section; the second pressure head is provided with a second water inlet structure communicated with the outside and used for guiding outside water to the second permeable stone, and the second permeable stone guides the water guided by the second pressure head to the middle pipe section; a circle of second groove is further formed in the side wall of the second pressure head, and a circle of second sealing ring is arranged in the second groove; the first clamping sleeve is sleeved on the periphery of the left pipe section, and the arrangement position of the first clamping sleeve is superposed with that of the first sealing ring; the second clamping sleeve is sleeved on the periphery of the right pipe section, and the sleeving position of the second clamping sleeve is superposed with the arrangement position of the second sealing ring; and heating the heat-shrinkable sleeve to tighten and cling the heat-shrinkable sleeve to the surrounding rock sample, the permeable stone and the peripheral side wall of the pressure head.
In a third aspect, the present invention provides a sealing system based on a deep rock mass test, the sealing system comprising: the device comprises a heat-shrinkable tube sleeve, a plurality of test areas and a plurality of installation areas are arranged inside the heat-shrinkable tube sleeve, each test area is arranged between two installation areas, each test area is used for placing a surrounding rock test block, and a permeable stone and a pressure head are sequentially arranged in each installation area and used for enabling water to enter the permeable stone from the pressure head and then flow into the test areas; and each testing device is correspondingly connected with one surrounding rock test block and is used for monitoring the internal structure of the surrounding rock test block.
Has the advantages that:
the sealing device based on the deep rock mass test is characterized in that a heat-shrinkable pipeline is arranged into a left pipe section, a middle pipe section and a right pipe section to form a sealed environment for testing a surrounding rock test block, the surrounding rock test block is arranged in the middle pipe section at present during arrangement, then a first permeable stone and a second pressure head are sequentially arranged on the left pipe section, a first water inlet structure communicated with the outside is arranged on the first pressure head and used for guiding outside water to the first permeable stone, and then the first permeable stone guides the water guided by the first pressure head to the middle pipe section; the second permeable stone and the second pressure head are sequentially arranged on the right pipe section, a second water inlet structure connected with the outside is arranged on the second pressure head and used for guiding outside water to the second permeable stone, and then the second permeable stone guides the water guided by the second pressure head to the middle pipe section; in order to avoid that external sewage or oil flows into the middle pipe section from a gap between the first pressure head or the second pressure head and the left sleeve or the right sleeve, a first groove is formed in the side wall of the first pressure head, a second groove is formed in the side wall of the second pressure head, a first sealing ring is sleeved in the first groove, a second sealing ring is sleeved in the second groove, finally, a first clamping sleeve and a second clamping sleeve are arranged outside the heat-shrinkable pipe sleeve, the setting position of the first clamping sleeve is overlapped with the setting position of the first sealing ring, the setting position of the second clamping sleeve is overlapped with the setting position of the second sealing ring, and therefore in the experimental process, the sewage or oil outside the heat-shrinkable pipe sleeve is separated from the first sealing ring or the second sealing ring, and a good sealing effect is achieved.
The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.
Drawings
In order to more clearly illustrate the embodiments of the present disclosure or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of a sealing device based on a deep rock mass test according to the first embodiment;
fig. 2 is a schematic structural diagram of a pressing head according to a first embodiment of the present invention;
FIG. 3 is a schematic structural view of a permeable stone according to a first embodiment of the present invention;
fig. 4 is a schematic structural diagram of a sealing system based on a deep rock mass test provided in the third embodiment;
reference numerals:
1. a pressure head;
2. a radial water guide channel;
3. a circumferential water guide channel;
4. a permeate channel;
5. a first groove;
6. a first ferrule;
7. a permeable stone;
8. water permeable holes;
9. thermal shrinkage pipe sheathing;
10. a surrounding rock sample;
11. a second ferrule;
12. an installation area;
13. a test zone;
14. and (6) testing the device.
Detailed Description
The technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in the embodiments of the present disclosure, and it is obvious that the described embodiments are only a part of the embodiments of the present disclosure, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present specification are within the protection scope of the present invention; the "and/or" keyword referred to in this embodiment means sum or two cases, in other words, a and/or B mentioned in the embodiments of this specification means two cases of a and B, A or B, and describes three states where a and B exist, such as a and/or B, and means: only A does not include B; only B does not include A; including A and B.
Meanwhile, in the embodiments of the present description, when an element is referred to as being "fixed to" another element, it may be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical", "horizontal", "left", "right" and the like used in the embodiments of the present specification are for illustrative purposes only and are not intended to limit the present invention.
Example one
Referring to fig. 1 to 3, according to one embodiment of the present invention, there is provided a sealing device for a deep rock mass test, the device being used for performing a sealing test on a surrounding rock test block 10, the device including: a heat-shrinkable sleeve 9, which comprises a left pipe section, a middle pipe section and a right pipe section; the middle pipe section is used for enveloping the surrounding rock test block 10; the first permeable stone 7 and the first pressure head 1 are sequentially arranged on the left pipe section; the first pressure head 1 is provided with a first water inlet structure communicated with the outside and used for guiding outside water to the first permeable stone 7, and the first permeable stone 7 guides the water guided by the first pressure head 1 to the middle pipe section; a circle of first grooves 5 are further formed in the side wall of the first pressure head 1, and a circle of first sealing rings are arranged in the first grooves 5; the second permeable stone and the second pressure head 1 are sequentially arranged on the right pipe section; the second pressure head 1 is provided with a second water inlet structure communicated with the outside and used for guiding outside water to the second permeable stone, and the second permeable stone guides the water guided by the second pressure head 1 to the middle pipe section; a circle of second groove is further formed in the side wall of the second pressure head 1, and a circle of second sealing ring is arranged in the second groove; the first clamping sleeve 6 is sleeved on the periphery of the left pipe section, and the arrangement position of the first clamping sleeve 6 is superposed with that of the first sealing ring; and the second clamping sleeve 11 is sleeved on the periphery of the right pipe section, and the sleeving position of the second clamping sleeve 11 is superposed with the setting position of the second sealing ring.
In the technical scheme, the heat-shrinkable pipeline is arranged into a left pipe section, a middle pipe section and a right pipe section to form a sealed environment for testing the surrounding rock test block 10, during the setting, the surrounding rock test block 10 is arranged in the middle pipe section, then a first permeable stone 7 and a second pressure head 1 are sequentially arranged in the left pipe section, a first water inlet structure communicated with the outside is arranged on the first pressure head 1 and used for guiding the outside water to the first permeable stone 7, and then the first permeable stone 7 guides the water guided by the first pressure head 1 to the middle pipe section; a second permeable stone and a second pressure head 1 are sequentially arranged on the right pipe section, a second water inlet structure connected with the outside is arranged on the second pressure head 1 and used for guiding outside water to the second permeable stone, and then the second permeable stone guides the water guided by the second pressure head 1 to the middle pipe section; in order to avoid that external sewage or oil flows into a middle pipe section from a gap between the first pressure head 1 or the second pressure head 1 and the left sleeve or the right sleeve, a first groove 5 is formed in the side wall of the first pressure head 1, a second groove is formed in the side wall of the second pressure head 1, a first sealing ring is sleeved in the first groove 5, a second sealing ring is sleeved in the second groove, finally, a first clamping sleeve 6 and a second clamping sleeve 11 are arranged outside the heat-shrinkable tube sleeve 9, the arrangement position of the first clamping sleeve 6 is coincided with the arrangement position of the first sealing ring, the arrangement position of the second clamping sleeve 11 is coincided with the arrangement position of the second sealing ring, and therefore in the experimental process, the external sewage or oil of the heat-shrinkable tube sleeve 9 is blocked outside the first sealing ring or the second sealing ring, and a good sealing effect is achieved.
Specifically, for the water guide channel, as an implementation manner of the first water inlet structure or the second water inlet structure, the water guide channel may be a spider-web structure uniformly arranged on a side surface of the first pressure head 1 or the second pressure head 1, which is close to the first permeable stone 7 or the second permeable stone, and a center of the spider-web structure converges to a center of the first pressure head 1 or the second pressure head 1, the center of the first pressure head 1 or the second pressure head 1 is provided with a penetration channel 4 communicating with the outside, and the penetration channel 4 guides water from the first water inlet structure or the second water inlet structure to a middle portion of the pipe section.
Further, as for the water guide channel, as another implementation manner of the water guide channel, it may be a radial water guide channel 2 and a circumferential water guide channel 3; the radial water guide channel 2 comprises a plurality of linear water channels, one ends of the linear water channels are positioned at the edge of the first pressure head 1 or the second pressure head 1, and the other ends of the linear water channels are intersected at the center of the first pressure head 1 or the second pressure head 1 and communicated with the permeation channel 4; wherein an included angle between any two adjacent linear water tanks is 15-30 degrees; the circular water guide channel 3 comprises a plurality of circular water channels with diameters gradually increased in sequence, the circle center of each circular water channel coincides with the center of the first pressure head 1 or the center of the second pressure head 1, when the linear water channel intersects with the circular water channels, an intersection part forms a passage, and water is uniformly guided onto the first permeable stone 7 or the second permeable stone.
Specifically, for the first and second permeable stones 7 and 3, in order to ensure that the water flowing from the radial water channel 2 and the ring into the water channel 3 can uniformly permeate to the middle pipe section, a plurality of water permeable holes 8 are uniformly arranged on the side wall of the first water permeable stone 7 along the length direction of the heat-shrinkable tube sleeve 9, the water inlet end of each water permeable hole 8 is used for receiving water flowing from the water guide channel, the water outlet end of each water permeable channel is used for guiding the water received by the water inlet end to the middle pipe section, and/or the second permeable stone comprises a plurality of permeable holes 8 uniformly arranged on the side wall of the second permeable stone along the length direction of the heat-shrinkable tube sleeve 9, the water inlet end of each permeable hole 8 is used for receiving water flowing from the water guide channel, and the water outlet end of each permeable channel is used for guiding the water received by the water inlet end to the middle pipe section.
Based on the first ferrule 6 and the second ferrule 11 in the first embodiment, the following embodiments may also be included, where the embodiments are: the connecting device is characterized by comprising a plastic long strip structure and a connecting component arranged at one end of the long strip structure, wherein the other end of the long strip structure is detachably connected to form an annular cutting sleeve, so that the thermal shrinkage pipe sleeve 9 is convenient to disassemble and assemble.
Based on an implementation manner of the connection member in the first embodiment, it may be one of the following devices: as can be known in the art, the bolt or the spring clip is a mature detachable connecting member, and the specific structure thereof will not be described in detail in the embodiments of the present invention.
It can be known that the sealing device of this embodiment needs to simulate the environment with different temperatures underground, so, all prepare first cutting ferrule 6, second cutting ferrule 11, first sealing washer and second sealing washer by high temperature resistant material.
Simultaneously, be the coaxial axle setting with first pressure head 1, second pressure head 1, first permeable stone 7 and second permeable stone to the adaptation can disperse uniformly on first permeable stone 7 or second permeable stone when water enters from the center of first pressure head 1 or second pressure head 1.
Example two:
the second embodiment of the invention provides an installation method of a sealing device based on a deep rock mass test, which comprises the following steps: arranging the surrounding rock test block 10 in the middle pipe section of the heat-shrinkable sleeve; arranging the first permeable stone 7 and the first pressure head 1 in the left pipe section in sequence; the first pressure head 1 is provided with a first water inlet structure communicated with the outside and used for guiding outside water to the first permeable stone 7, and the first permeable stone 7 guides the water guided by the first pressure head 1 to the middle pipe section; a circle of first grooves 5 are further formed in the side wall of the first pressure head 1, and a circle of first sealing rings are arranged in the first grooves 5; the second permeable stone and the second pressure head 1 are sequentially arranged on the right pipe section; the second pressure head 1 is provided with a second water inlet structure communicated with the outside and used for guiding outside water to the second permeable stone, and the second permeable stone guides the water guided by the second pressure head 1 to the middle pipe section; a circle of second groove is further formed in the side wall of the second pressure head 1, and a circle of second sealing ring is arranged in the second groove; the first clamping sleeve 6 is sleeved on the periphery of the left pipe section, and the arrangement position of the first clamping sleeve 6 is superposed with that of the first sealing ring; the second clamping sleeve 11 is sleeved on the periphery of the right pipe section, and the sleeving position of the second clamping sleeve 11 is superposed with the arrangement position of the second sealing ring; and heating the heat-shrinkable sleeve to tighten and cling the heat-shrinkable sleeve to the surrounding rock test block 10, the permeable stone and the peripheral side wall of the pressure head 1 so as to achieve a good sealing effect.
Example three:
referring to fig. 4, a third embodiment of the present invention provides a sealing system based on a deep rock mass test, where the sealing system includes: the device comprises a heat-shrinkable tube sleeve 9, wherein a plurality of test areas 13 and a plurality of installation areas 12 are arranged inside the heat-shrinkable tube sleeve 9, each test area 13 is arranged between two installation areas 12, each test area 13 is used for placing a surrounding rock test block 10, and a permeable stone and a pressure head 1 are sequentially arranged in each installation area 12 and used for enabling water to enter the permeable stone from the pressure head 1 and then flow into the test areas 13; a plurality of toilet paper devices 14, wherein each toilet paper device 14 is correspondingly connected with one surrounding rock test block 10 and used for monitoring the internal structure of the surrounding rock test block 10.
In particular, for the permeable stones, which include the first permeable stone 7 and the second permeable stone, in order to ensure that the water flowing from the radial water guide channel 2 and the ring water guide channel 3 can uniformly permeate to the middle pipe section, a plurality of water permeable holes 8 are uniformly arranged on the side wall of the first water permeable stone 7 along the length direction of the heat-shrinkable tube sleeve 9, the water inlet end of each water permeable hole 8 is used for receiving water flowing from the water guide channel, the water outlet end of each water permeable channel is used for guiding the water received by the water inlet end to the test area 13, and/or the second permeable stone comprises a plurality of permeable holes 8 uniformly arranged on the side wall of the second permeable stone along the length direction of the heat-shrinkable tube sleeve 9, the water inlet end of each permeable hole 8 is used for receiving water flowing from the water guide channel, and the water outlet end of each permeable channel is used for guiding the water received by the water inlet end to the test area 13.
Finally, it should be noted that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a sealing device based on deep rock mass is experimental, the device is used for sealing the experiment to the country rock test block, its characterized in that, the device includes:
the heat-shrinkable tube sleeve comprises a left pipe section, a middle pipe section and a right pipe section; the middle pipe section is used for enveloping the surrounding rock test block;
the first permeable stone and the first pressure head are sequentially arranged on the left pipe section; the first pressure head is provided with a first water inlet structure communicated with the outside and used for guiding outside water to the first permeable stone, and the first permeable stone guides the water guided by the first pressure head to the middle pipe section; a circle of first grooves are further formed in the side wall of the first pressure head, and a circle of first sealing rings are arranged in the first grooves;
the second permeable stone and the second pressure head are sequentially arranged on the right pipe section; the second pressure head is provided with a second water inlet structure communicated with the outside and used for guiding outside water to the second permeable stone, and the second permeable stone guides the water guided by the second pressure head to the middle pipe section; a circle of second groove is further formed in the side wall of the second pressure head, and a circle of second sealing ring is arranged in the second groove;
the first clamping sleeve is sleeved on the periphery of the left pipe section, and the arrangement position of the first clamping sleeve is superposed with that of the first sealing ring;
and the second clamping sleeve is sleeved on the periphery of the right pipe section, and the sleeving position of the second clamping sleeve is superposed with the arrangement position of the second sealing ring.
2. The deep rock mass test-based sealing device of claim 1, further comprising:
set up first water inlet structure with the last water guide passageway of second water inlet structure, the water guide passageway is evenly laid first pressure head or the second pressure head is pressed close to the cobweb-shaped structure on one side of first permeable stone or second permeable stone, just cobweb-shaped structure's center assembles extremely the center of first pressure head or second pressure head, the center of first pressure head or second pressure head all sets up the outside infiltration passageway of a intercommunication.
3. The deep rock mass test-based sealing device of claim 2, characterized in that:
the water guide channel comprises a radial water guide channel and a circumferential water guide channel; the radial water guide channel comprises a plurality of linear water channels, one ends of the linear water channels are positioned at the edge of the first pressure head or the second pressure head, and the other ends of the linear water channels are intersected at the center of the first pressure head or the second pressure head and communicated with the permeation channel; wherein an included angle between any two adjacent linear water tanks is 15-30 degrees;
the annular water guide channel comprises a plurality of circular water channels with diameters increasing in sequence, and the circle center of each circular water channel coincides with the center of the first pressure head or the center of the second pressure head.
4. The deep rock mass test-based sealing device according to claim 2, wherein the first permeable stone comprises a plurality of permeable holes uniformly arranged on the side wall of the first permeable stone along the length direction of the heat-shrinkable tube sleeve, the water inlet end of each permeable hole is used for receiving water flowing from the water guide channel, and the water outlet end of each permeable channel is used for guiding the water received by the water inlet end to the middle pipe section;
and/or
The second permeable stone comprises a plurality of permeable holes uniformly formed in the side wall of the second permeable stone along the length direction of the heat-shrinkable tube sleeve, the water inlet end of each permeable hole is used for receiving water flowing from the water guide channel, and the water outlet end of each permeable channel is used for guiding the water received by the water inlet end to the middle pipe section.
5. The deep rock mass test-based sealing device of claim 1, wherein the first or second ferrule each comprises:
the connecting device is used for detachably connecting the other end of the long strip structure to form the annular clamping sleeve.
6. A deep rock mass test based sealing device according to claim 5, wherein the connection member is one of the following:
a bolt or a spring catch.
7. The deep rock mass test-based sealing device of claim 1, characterized in that:
the first clamping sleeve, the second clamping sleeve, the first sealing ring and the second sealing ring are all made of high-temperature-resistant materials.
8. The deep rock mass test-based sealing device of claim 1, characterized in that:
the first pressure head the second pressure head first permeable stone with the second permeable stone is coaxial setting.
9. A method of installing a deep rock mass test based sealing device according to claims 1-8, the method comprising:
arranging the surrounding rock test block in the middle pipe section of the heat-shrinkable sleeve;
arranging the first permeable stone and the first pressure head on the left pipe section in sequence; the first pressure head is provided with a first water inlet structure communicated with the outside and used for guiding outside water to the first permeable stone, and the first permeable stone guides the water guided by the first pressure head to the middle pipe section; a circle of first grooves are further formed in the side wall of the first pressure head, and a circle of first sealing rings are arranged in the first grooves;
the second permeable stone and the second pressure head are sequentially arranged on the right pipe section; the second pressure head is provided with a second water inlet structure communicated with the outside and used for guiding outside water to the second permeable stone, and the second permeable stone guides the water guided by the second pressure head to the middle pipe section; a circle of second groove is further formed in the side wall of the second pressure head, and a circle of second sealing ring is arranged in the second groove;
the first clamping sleeve is sleeved on the periphery of the left pipe section, and the arrangement position of the first clamping sleeve is superposed with that of the first sealing ring;
the second clamping sleeve is sleeved on the periphery of the right pipe section, and the sleeving position of the second clamping sleeve is superposed with the arrangement position of the second sealing ring;
and heating the heat-shrinkable sleeve to tighten and cling the heat-shrinkable sleeve to the surrounding rock sample, the permeable stone and the peripheral side wall of the pressure head.
10. A sealing system based on a deep rock mass test, characterized in that the sealing system comprises:
the device comprises a heat-shrinkable tube sleeve, a plurality of test areas and a plurality of installation areas are arranged inside the heat-shrinkable tube sleeve, each test area is arranged between two installation areas, each test area is used for placing a surrounding rock test block, and a permeable stone and a pressure head are sequentially arranged in each installation area and used for enabling water to enter the permeable stone from the pressure head and then flow into the test areas;
and each testing device is correspondingly connected with one surrounding rock test block and is used for monitoring the internal structure of the surrounding rock test block.
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