CN210719899U - Side-inserted probe type triaxial soil sample preparation device - Google Patents

Abstract

The utility model discloses a probe-type triaxial soil sample system appearance device is inserted to side, including sample hood, sample base, run from opposite directions mould and emulsion membrane, emulsion membrane top suit is in hood boss outside, emulsion membrane bottom suit is in base boss outside, run from opposite directions the mould cooperation and install in emulsion membrane outside, it has the earrings hole to open on the emulsion membrane, it has the locating hole to open on the mould, install the earrings in the locating hole of running from opposite directions the mould, the earrings comprises earrings portion and barrel portion, the earrings portion is located the emulsion membrane inboard, barrel portion cooperates in proper order and passes earrings hole and locating hole, probe sensor is installed to the earrings inside, probe sensor includes probe and cable, the probe is arranged in emulsion membrane's soil sample chamber, the cable is arranged in the earrings outside; the sample top cap is provided with a water outlet pore passage communicated with the soil sample cavity, and the sample base is provided with a water inlet pore passage. The utility model discloses can accomplish the triaxial soil sample preparation of implanting probe sensor in advance for survey characteristic parameters such as inside stress, temperature, moisture, acoustics or stress wave of soil sample.

Description

Side-inserted probe type triaxial soil sample preparation device

Technical Field

The utility model relates to a geotechnical engineering geotechnical laboratory test technical field especially relates to a probe-type triaxial soil sample system appearance device is inserted to side.

Background

With the continuous development of economy in China, more and more geotechnical engineering is being built in the fields of traffic, energy, mines, water conservancy and hydropower and the like. The accurate acquisition of the physical and mechanical parameters of the geotechnical body determines the long-term safe and stable operation of the geotechnical engineering, and is an important basis for the design of the geotechnical engineering. The triaxial geotechnical test is an important method for acquiring physical and mechanical parameters of a rock-soil body, can simulate the stress condition of a soil body in-situ environment, acquires the strength parameters of the soil body, and has important significance for engineering practice and scientific research. Generally, the conventional triaxial test can only obtain the shear strength parameter of the geotechnical sample. However, in some cases, due to the needs of scientific research or engineering construction, it is necessary to determine the distribution characteristics and gradient change rules of parameters such as stress, temperature, moisture, acoustics, stress wave and the like in the soil sample under the triaxial stress condition. Therefore, it is necessary to implant relevant sensors in the height direction in a conventional triaxial sample in advance to measure these parameters. However, the conventional sample preparation device for the conventional geotechnical triaxial test cannot complete the preparation of triaxial soil samples in which sensors need to be implanted in advance, and further cannot carry out subsequent related test research.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects existing in the prior art, the utility model aims to provide a side-inserted probe type triaxial soil sample preparation device, which is matched with the conventional triaxial base for use, can complete the triaxial soil sample preparation of a pre-implanted probe sensor and is used for measuring the distribution characteristics and gradient change rules of parameters such as stress, temperature, moisture, acoustics or stress wave and the like in the soil sample under the triaxial stress condition; the utility model discloses can adjust the interval of implanting the sensor according to concrete test requirement, have that the principle is clear, simple structure, installation and dismantlement advantage such as quick.

The purpose of the utility model is realized through the following technical scheme:

a side-inserted probe type triaxial soil sample preparation device comprises a sample top cap, a sample base, a split mold and a latex film, wherein a top cap boss is arranged at the bottom of the sample top cap, a base boss is arranged at the top of the sample base, the top of the latex film is sleeved outside the top cap boss, the bottom of the latex film is sleeved outside the base boss, and a soil sample cavity is arranged inside the latex film; the split mold is formed by combining two half molds, the split mold is arranged outside the latex film in a matching way, the latex film is provided with a plurality of earring holes, the split mold is provided with positioning holes matched with the earring holes, an ear ring is arranged in the positioning hole of the split mold and consists of an ear ring part and a barrel part, the inner part of the ear ring part is provided with a cylinder cavity A, the inner part of the cylinder part is provided with a cylinder cavity B communicated with the cylinder cavity A, the outer diameter of the ear ring part is larger than that of the cylinder part, the ear ring part is positioned on the inner side of the latex film, the cylinder part is sequentially matched with the ear ring hole penetrating the latex film and the positioning hole on the split mold, a probe sensor is arranged in the earring and comprises a probe and a cable connected with the probe, the probe of the probe sensor is arranged in the soil sample cavity of the latex film, and the cable is arranged outside the earring; the sample top cap is provided with a water outlet pore passage communicated with the soil sample cavity, and the sample base is provided with a water inlet pore passage communicated with the soil sample cavity.

In order to realize better the utility model discloses, latex film top is closely locked in the hood boss outside through rubber seal C, latex film bottom is closely locked in the base boss outside through rubber seal B.

As preferred, the utility model discloses still include the bolt subassembly, the bolt subassembly comprises connecting plate and two bolts that are fixed in the connecting plate bottom, half module both sides of run-from-opposite mould correspond open have with bolt matched with bolt hole, two half modules of run-from-opposite mould correspond the contact side and pass through the bolt connection locking.

Preferably, the latex film is provided with an upper earring hole and a lower earring hole, the split mold is provided with an upper positioning hole and a lower positioning hole, the two positioning holes correspond to the two earring holes one by one, and one earring is correspondingly arranged in each positioning hole.

Preferably, a rubber sealing ring A is hermetically arranged in the positioning hole of the split mold, and the rubber sealing ring A is tightly wrapped on the outer side wall of the cylinder part.

Preferably, the rubber seal a, the rubber seal B and the rubber seal C are ○ -shaped rubber seals.

Preferably, the earring is made of a rubber material.

Preferably, the soil sample is filled in the soil sample cavity of the latex film.

Compared with the prior art, the utility model, have following advantage and beneficial effect:

(1) the utility model discloses can come the probe sensor of different grade types such as selective matching stress, temperature, moisture, acoustics or stress wave according to the demand of experimental scheme, can implant the probe sensor in advance in triaxial soil sample is inside, and the quantity of just implanting the probe sensor selects according to actual need.

(2) The utility model provides a can incline and insert triaxial soil sample system appearance device of probe-type can be as required, equidistant processing goes out the locating hole on original triaxial soil sample system appearance base to the probe sensor of installation corresponding quantity is assisted with simple seal part, can realize preparing the triaxial soil sample that can insert the probe-type, and then the research soil sample under triaxial stress condition, characteristic parameter's such as soil sample internal pressure, temperature, moisture, acoustics or stress wave change.

(3) The utility model has the advantages of clear principle, simple structure, quick installation and disassembly, etc.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a latch assembly;

FIG. 3 is a schematic view of the earring;

FIG. 4 is a schematic diagram of a type φ 4 acoustic wave probe sensor used in an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a type φ 4 acoustic wave probe sensor used in an embodiment of the present invention;

FIG. 6 is a test result case of the soil body sound attenuation test performed under the triaxial stress condition after the triaxial soil sample is prepared by the present invention;

fig. 7 is a schematic diagram of the acoustic attenuation test.

Wherein, the names corresponding to the reference numbers in the drawings are:

1-sample top cap, 2-probe sensor, 21-probe tube, 211-probe waterproof protective sleeve, 212-probe element, 213-probe base, 3-cable, 31-insulation shielding cable sleeve, 4-positioning hole, 5-rubber sealing ring A, 51-rubber sealing ring B, 52-rubber sealing ring C, 6-ear ring, 61-barrel body, 62-ear ring part, 7-sample base, 71-base boss, 8-water outlet channel, 9-soil sample, 10-latex film, 11-top cap boss, 12-plug hole, 13-split mold, 14-water inlet channel, 15-plug component and 151-plug.

Detailed Description

The present invention will be described in further detail with reference to the following examples:

examples

As shown in fig. 1-3, a side is inserted probe-type triaxial soil sample system appearance device, including sample hood 1, sample base 7, to opening mould 13, emulsion membrane 10 and bolt subassembly 15, sample hood 1 bottom has hood boss 11, sample base 7 top has base boss 71, emulsion membrane 10 top suit is in hood boss 11 outsidely, emulsion membrane 10 bottom suit is in base boss 71 outsidely, emulsion membrane 10 inside has the soil sample chamber, the soil sample 9 is equipped with in the soil sample chamber of this embodiment emulsion membrane 10. Run from opposite directions mould 13 and form by two half module combinations, run from opposite directions mould 13 cooperation and install in emulsion membrane 10 outsidely, and it has a plurality of earring hole to open on the emulsion membrane 10, run from opposite directions mould 13 on open have with earring hole matched with locating hole 4, install earring 6 in running from opposite directions mould 13's locating hole 4, the utility model discloses preferred earring 6 is made by rubber materials and is formed. The earring 6 consists of an earring part 62 and a cylinder part 61, wherein a cylinder cavity A is arranged in the earring part 62, a cylinder cavity B communicated with the cylinder cavity A is arranged in the cylinder part 61, the outer diameter of the earring part 62 is larger than that of the cylinder part 61, the earring part 62 is positioned on the inner side of the latex film 10, the cylinder part 61 sequentially penetrates through an earring hole of the latex film 10 and a positioning hole 4 on the split mold 13 in a matching manner, the probe sensor 2 is arranged in the earring 6, as shown in fig. 5, the probe sensor 2 comprises a probe waterproof protective sleeve 211, a probe rod pipe 21, a probe base 213 and a cable 3, a probe element 212 is arranged in the probe waterproof protective sleeve 211, and the probe element 212 is connected with the cable 3; the end part of a probe waterproof protective sleeve 211 of the probe sensor 2 and the probe tube 21 are arranged in a soil sample cavity of the latex film 10, the probe tube 21 is kept horizontal, and the end part of the probe waterproof protective sleeve 211 is positioned at the center of the soil sample cavity; the probe base 213 is cylindrical, the outer diameter of which is the same as the diameter of the inner cylinder cavity of the ear ring 6, and is arranged in the inner cylinder cavity of the cylinder body part 61 of the ear ring 6; the cable 3 is placed outside the ear ring 6. The sample top cap 1 is provided with a water outlet pore passage 8 communicated with the soil sample cavity, and the sample base 7 is provided with a water inlet pore passage 14 communicated with the soil sample cavity. The utility model discloses a probe sensor 2 is current ripe sound wave probe sensor (sound wave probe sensor passes through the probe and receives vibration signal), the preferred type sound wave probe sensor of phi 4 of probe sensor of this embodiment, as shown in fig. 4, fig. 5, the type sound wave probe sensor of phi 4 includes probe water proof cover 211, probe pipe 21, probe base 213, install probe component 212 in the probe water proof cover 211, be connected with cable 3 on the probe component 212, cable 3 passes probe pipe 21, probe base 213, 3 outside encapsulations of cable have insulating shield cable cover 31. The phi 4 type acoustic wave probe sensor of the present embodiment is also called a probe hydrophone or an underwater acoustic sensor, and the applicant adopts a phi 4 type acoustic wave probe sensor manufactured by sn-free macrostem transducer technologies ltd, and the specific structure and the dimensional parameters of the phi 4 type acoustic wave probe sensor are as follows: the probe waterproof protective sleeve 211 is hemispherical, the diameter of the probe waterproof protective sleeve is 4mm, the probe waterproof protective sleeve 211 is made of waterproof rubber, a piezoelectric ceramic probe element 212 is hermetically installed in the probe waterproof protective sleeve 211, the probe element 212 is installed at one end of a 304 stainless steel hollow round thin-wall probe rod pipe 21 (the probe rod pipe 21 plays a supporting and waterproof role), the outer diameter of the probe rod pipe 21 is 4mm, and the other end of the probe rod pipe 21 is installed in a probe base 213. The cable 3 of the probe sensor 2 sequentially passes through the probe base 213 and the probe tube 21 to be connected with the probe element 212; the probe base 213 is made of flexible rubber material (which plays a role in 90-degree turning to protect the cable 3 from being broken and is inserted into the cylindrical cavity of the ear ring 6 to play a role in waterproof sealing). The length of the probe tube 21 is 62.5mm, and the length of the whole phi 4 type acoustic wave probe sensor is 69.5 mm. When the device is used, the probe pipe 21 of the probe sensor 2 is inserted into the soil sample 9 and is kept horizontal, the end of the probe waterproof protective sleeve 211 provided with the probe element 212 is positioned on the central axis of the soil sample 9, the piezoelectric ceramic probe element 212 is used for receiving and transmitting longitudinal wave (P wave or compression wave) signals emitted from the base or the top cap of the soil sample 9 in a triaxial test of the soil engineering, and the probe sensors 2 and more than 2 probe sensors are laterally inserted, so that the test purpose of measuring the acoustic attenuation coefficient of the soil sample in the triaxial test of the soil engineering can be realized (the acoustic attenuation test principle is shown in fig. 7), see in detail the book design and experimental research of submarine sediment acoustic characteristic small-distance measurement system of Guangdong industry university, author Wen Shuo (Kangshi); see the book of small-scale sound field ultrasonic probe detection experimental research of submarine sediments, the authors' board of wealth, the booby university of Guangdong industry.

For the case of excitation waves being simple harmonics, the expression for the acoustic attenuation coefficient α:

in the formula A₁And A₂L is the maximum amplitude (which can be directly read from the waveform chart of figure 6) of the head wave sound pressure signals measured at the positions of the two probe sensors 2 in the soil sample₂And L₁The distance from the two probe sensors 2 to the excitation end of the sound source.

As shown in fig. 1, the top of the latex film 10 is tightly locked to the outside of the top cap boss 11 by a rubber seal ring C52, and when in actual use, the top of the latex film 10 is locked to the outside of the top cap boss 11 by a rubber seal ring C52; the bottom of the latex film 10 is tightly locked outside the base boss 71 through a rubber seal ring B51, and when the latex film is actually used, the bottom of the latex film 10 is locked outside the base boss 71 through a rubber seal ring B51.

As shown in fig. 2, the latch assembly 15 is composed of a connecting plate and two latches 151 fixed at the bottom of the connecting plate, latch holes 12 matching with the latches 151 are correspondingly opened at both sides of the half-mold of the split mold 13, and the corresponding contact sides of the two half-molds of the split mold 13 are connected and locked by the latch assembly 15. Two sides of two half molds of the split mold 13 are respectively provided with a bolt hole 12 (fig. 1 shows that two sides of one half mold are respectively provided with a bolt hole 12, so that one half mold has two bolt holes 12), after the two half molds of the split mold 13 are combined, the two sides are respectively connected and locked through a bolt component 15, and the specific principle is as follows: the first side bolt hole 12 of the first half-mold is connected and locked with the first side bolt hole 12 of the second half-mold through the bolt assembly 15, one bolt 151 of the bolt assembly 15 is inserted into the first side bolt hole 12 of the first half-mold, and the other bolt 151 of the bolt assembly 15 is inserted into the first side bolt hole 12 of the second half-mold; the second side bolt hole 12 of the first half mold is connected and locked with the second side bolt hole 12 of the second half mold through the bolt assembly 15, one bolt 151 of the bolt assembly 15 is inserted into the second side bolt hole 12 of the first half mold, and the other bolt 151 of the bolt assembly 15 is inserted into the second side bolt hole 12 of the second half mold.

The preferred technical scheme of this embodiment is as follows: as shown in fig. 1, the latex film 10 is provided with an upper earring hole and a lower earring hole, the split mold 13 is provided with an upper positioning hole and a lower positioning hole 4, the two positioning holes 4 correspond to the two earring holes one by one, and the two positioning holes 4 are respectively provided with an earring 6 correspondingly.

As shown in fig. 1, a rubber seal a5 is sealingly mounted in the positioning hole 4 of the split mold 13, and a rubber seal a5 is tightly wrapped on the outer side wall of the barrel portion 61, so that the rubber seal a5 can press and seal the latex film 10 at the root of the barrel portion 61 of the ear ring 6 where the barrel portion 61 meets the ear ring portion 62.

The utility model discloses preferred rubber seal A5, rubber seal B51, rubber seal C52 are ○ shape rubber circle.

A side-inserted probe type triaxial soil sample preparation method comprises a sample preparation device, and comprises the following steps:

1) firstly cleaning the sample preparation table top, and checking whether all the probe sensors 2 of the sample preparation device are clean, tidy and undamaged.

2) According to the requirement of the test, an upper ear ring hole and a lower ear ring hole which are matched with the outer diameter of the cylinder body part 61 of the ear ring 6 are formed in advance on the latex film 10, and the soil sample 9 with the required weight is calculated and weighed according to the indexes of the dry density and the porosity ratio of the prefabricated sample and is divided into a plurality of equal parts.

3) The sample base 7 of the sample preparation device is horizontally arranged on a sample preparation desktop, a piece of filter paper is placed on the upper surface of a base boss 71 of the sample base 7, the lower end of a latex film 10 is sleeved on the outer side wall of the base boss 71 of the sample base 7, and is tightly tied to the base boss 71 in the circumferential direction of a rubber sealing ring B51, two half molds of the split mold 13 are installed outside the latex film 10 in a matched mode, so that the inner wall of the bottom of the split mold 13 compresses the rubber sealing ring B51 outside the base boss 71, and meanwhile, the positioning holes 4 in the split mold 13 are guaranteed to be in one-to-one correspondence with ear ring holes in the latex film 10. The barrel part 61 of the earring 6 penetrates through the earring hole of the latex film 10 and the positioning hole 4 of the split mold 13, the earring part 62 of the earring 6 is tightly attached to the inner wall of the latex film 10, the outer wall of the latex film 10 is tightly pressed by the rubber sealing ring A5, so that the latex film 10 is hermetically sleeved on the outer wall of the root part of the barrel part 61 of the earring 6, and meanwhile, the whole earring 6 tightly attaches the latex film 10 to the inner wall surface of the split mold 13. Then, the pins 151 of the pin assembly 15 are inserted into the pin holes 12 of the split molds 13 correspondingly to couple and lock the split molds 13.

4) And 2), dropping the first soil sample 9 in the step 2) into the latex film 10 through a funnel by adopting a sand-rain method, scraping the surface of the soil sample 9, knocking the outer side wall of the split mold 13 by adopting a rubber hammer to enable the soil sample 9 to settle until the upper surface of the soil sample 9 and the center of the positioning hole 4 at the lowest part of the split mold 13 are at the same height.

5) Get a probe sensor 2, scribble one deck vaseline at probe base 213 lateral surface, pass the inside bobbin cavity of earring 6 with probe waterproof protective cover 211 end and probe pipe 21 of probe sensor 2, install probe base 213 in the inside bobbin cavity of 6 bobbin body parts 61 of lower part earring, adjust probe sensor 2's probe waterproof protective cover 211 end position, make probe sensor 2's probe pipe 21 keep the level, and probe waterproof protective cover 211 end inserts the axle center position of soil sample 9, make probe sensor 2's probe pipe 21 and probe waterproof protective cover 211 and soil sample 9 in close contact with, then scrape the upper surface of hair soil sample 9.

6) Continuously taking the equal-part soil sample 9 in the step 2), dropping the equal-part soil sample into the latex film 10 through a funnel, scraping the surface of the soil sample 9, knocking the outer side walls of the split molds 13 by using a rubber hammer to enable the soil sample 9 to settle until the upper surface of the soil sample 9 and the circle center of the positioning hole 4 on the upper layer of the split mold 13 are at the same height. And then taking a probe sensor 2, smearing a layer of vaseline on the outer side surface of a probe base 213, enabling the end of a probe waterproof protective sleeve 211 of the probe sensor 2 and a probe rod tube 21 to penetrate through an inner cylinder cavity of an earring 6, installing the probe base 213 in the inner cylinder cavity of a cylinder body part 61 of an upper earring 6, adjusting the position of the end of the probe waterproof protective sleeve 211 of the probe sensor 2 to enable the probe rod tube 21 of the probe sensor 2 to be kept horizontal, enabling the end of the probe waterproof protective sleeve 211 to be inserted into the axis position of the soil sample 9, enabling the end of the probe waterproof protective sleeve 211 and the end of the probe waterproof protective sleeve 211 of the probe sensor 2 in the lower earring 6 to be located on the same vertical line of the axis of the soil sample 9, enabling the probe rod tube 21 and the probe waterproof protective sleeve 211 of the probe sensor 2 to be in close contact with the soil sample.

7) And continuously adding the soil sample 9 into the latex film 10, according to the method in the step 6), until all the probes of all the probe sensors 2 on the side walls of the split mold 13 are inserted into the soil sample 9, enabling the ends of all the probe waterproof protective sleeves 211 to be positioned on the same vertical line of the center axes of the soil sample 9, enabling the probe rod tubes 21 and the probe waterproof protective sleeves 211 of the probe sensors 2 to be in close contact with the soil sample 9, and then scraping the upper surface of the soil sample 9. And continuously adding the soil sample 9 into the latex film 10 and knocking the outer side wall of the split mold 13 to settle the soil sample 9 until the soil sample 9 reaches the preset height position.

8) The top of the latex film 10 is turned downwards and sleeved on the top end of the split mold 13, a piece of filter paper is placed on the top surface of the soil sample 9, then the sample top cap 1 is installed, the latex film 10 is turned upwards and sleeved on the outer side wall of a top cap boss 11 of the sample top cap 1, the latex film 10 is fastened by a rubber sealing ring C52, and all the probe sensors 2 can be accurately buried into preset positions along the height of the soil sample 9 after the sample is loaded, so that the triaxial soil sample with the probes inserted laterally is obtained.

9) And the two bolt assemblies 15 are pulled out, the two half moulds of the split mould 13 are slightly knocked open and taken away, sample preparation is completed, and subsequent triaxial tests can be carried out.

10) And then, exciting a 100kHz sine compression wave in a bending-stretching element top cap of the triaxial soil sample, wherein signals received by two probe sensors 2 along the height of the soil sample are shown in figure 6, and the soil sample acoustic attenuation coefficient α calculated according to the formula (1) is 135 dB/m.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (8)

1. The utility model provides a probe-type triaxial soil sample system appearance device is inserted to side which characterized in that: the sample ejection device comprises a sample ejection cap (1), a sample base (7), a split mold (13) and a latex film (10), wherein an ejection cap boss (11) is arranged at the bottom of the sample ejection cap (1), a base boss (71) is arranged at the top of the sample base (7), the top of the latex film (10) is sleeved outside the ejection cap boss (11), the bottom of the latex film (10) is sleeved outside the base boss (71), and a soil sample cavity is arranged inside the latex film (10); the split die (13) is formed by combining two half dies, the split die (13) is installed outside a latex film (10) in a matching manner, a plurality of earring holes are formed in the latex film (10), positioning holes (4) matched with the earring holes are formed in the split die (13), earrings (6) are installed in the positioning holes (4) of the split die (13), the earrings (6) are composed of earring parts (62) and barrel parts (61), a barrel cavity A is arranged inside the earring parts (62), a barrel cavity B communicated with the barrel cavity A is arranged inside the barrel parts (61), the outer diameter of the earring parts (62) is larger than that of the barrel parts (61), the earring parts (62) are located on the inner side of the latex film (10), the barrel parts (61) are sequentially matched with the earring holes penetrating through the latex film (10) and the positioning holes (4) in the split die (13), the probe sensor (2) is installed inside the earring (6), the probe sensor (2) comprises a probe and a cable (3) connected with the probe, the probe of the probe sensor (2) is arranged in a soil sample cavity of the latex film (10), and the cable (3) is arranged outside the earring (6); the sample top cap (1) is provided with a water outlet pore passage (8) communicated with the soil sample cavity, and the sample base (7) is provided with a water inlet pore passage (14) communicated with the soil sample cavity.

2. The side-inserted probe-type triaxial soil sample preparation device according to claim 1, wherein: the top of the latex film (10) is tightly locked outside the top cap boss (11) through a rubber sealing ring C (52), and the bottom of the latex film (10) is tightly locked outside the base boss (71) through a rubber sealing ring B (51).

3. The side-inserted probe-type triaxial soil sample preparation device according to claim 1, wherein: the split type half-mold locking device is characterized by further comprising a bolt component (15), wherein the bolt component (15) is composed of a connecting plate and two bolts (151) fixed to the bottom of the connecting plate, bolt holes (12) matched with the bolts (151) are correspondingly formed in two sides of a half mold of the split mold (13), and the two half molds of the split mold (13) are correspondingly contacted and locked through the bolts (151).

4. The side-inserted probe-type triaxial soil sample preparation device according to claim 1, wherein: the improved latex film is characterized in that an upper earring hole and a lower earring hole are formed in the latex film (10), an upper positioning hole and a lower positioning hole (4) are formed in the split mold (13), the two positioning holes (4) correspond to the two earring holes one to one, and earrings (6) are correspondingly mounted in the two positioning holes (4) respectively.

5. The side-inserted probe-type triaxial soil sample preparation device according to claim 1 or 4, wherein: a rubber sealing ring A (5) is arranged in the positioning hole (4) of the split mold (13) in a sealing mode, and the rubber sealing ring A (5) is tightly wrapped on the outer side wall of the barrel body portion (61).

6. The side-inserted probe type triaxial soil sample preparation device according to claim 5, wherein the rubber sealing ring A (5), the rubber sealing ring B (51) and the rubber sealing ring C (52) are ○ -shaped rubber rings.

7. The side-inserted probe-type triaxial soil sample preparation device according to claim 1 or 4, wherein: the earrings (6) are made of rubber materials.

8. The side-inserted probe-type triaxial soil sample preparation device according to claim 1, wherein: and a soil sample (9) is arranged in a soil sample cavity of the latex film (10).

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