CN112033809A - Rock-surrounding fracture joint testing device for geotechnical engineering model test - Google Patents
Rock-surrounding fracture joint testing device for geotechnical engineering model test Download PDFInfo
- Publication number
- CN112033809A CN112033809A CN202010995204.9A CN202010995204A CN112033809A CN 112033809 A CN112033809 A CN 112033809A CN 202010995204 A CN202010995204 A CN 202010995204A CN 112033809 A CN112033809 A CN 112033809A
- Authority
- CN
- China
- Prior art keywords
- test
- sliding
- fixedly connected
- operating platform
- sliding sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Images
Classifications
-
- 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
-
- 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
- G01N3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/005—Electromagnetic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/006—Crack, flaws, fracture or rupture
- G01N2203/0067—Fracture or rupture
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a surrounding rock fracture joint testing device for a geotechnical engineering model test, which comprises a test operating platform, wherein a sliding rod and a sliding sleeve which is connected with the sliding rod in a sliding manner are fixedly connected to the test operating platform, and a driving mechanism for driving the sliding sleeve to move up and down along the sliding rod is arranged on the side edge of the sliding rod; the sliding sleeve is also fixedly connected with a lubricating mechanism for lubricating the contact part of the sliding rod and the sliding sleeve; the upper surface of the test operation platform is provided with a chute, the inner wall of the chute is connected with a pair of I-shaped sliding blocks which are symmetrically arranged in a sliding mode, the upper surface of each I-shaped sliding block is fixedly connected with a supporting block, the supporting block is provided with a groove, broken wires are clamped on the inner walls of the two grooves, and a plurality of metal clamping blocks which are connected with the indicating lamp in a coupling mode through electric wires are clamped on the surfaces of the broken wires. The invention can adjust the space of the test bed according to the size of the sample piece, reduce the resistance of the sliding sleeve to move, is convenient to use and reduces the error of the test.
Description
Technical Field
The invention belongs to the technical field of geotechnical engineering tests, and particularly relates to a device for testing a surrounding rock fracture joint of a geotechnical engineering model test.
Background
Geotechnical engineering is a new technical system established in civil engineering practice in 60's of the 20 th century in the countries of the Europe and the America. Geotechnical engineering is to solve the problems of rock and soil engineering, including foundation and foundation, slope, underground engineering and the like, and is used as a research object of the geotechnical engineering.
Before geotechnical engineering is constructed, fracture joint simulation test needs to be carried out on sample surrounding rocks collected on site so as to be used for simulating the strength of the surrounding rocks on the construction site and make reference for later engineering design.
The three-point bending test method is adopted by the conventional wall rock fracture joint testing device, so long as the fracture wire is adhered to the lower surface of a test sample, a plurality of welding points are arranged on the surface of the fracture wire, each welding point corresponds to one bulb, pressure is applied to the test sample, the fracture of the test sample can break the fracture wire, and the test condition can be known according to the opening and closing of the bulb.
The test device can not adjust the distance between the test beds according to the size of the test sample, and the test process is complex and wastes time.
Disclosure of Invention
Based on the defects in the prior art, the technical problem to be solved by the invention is to provide the surrounding rock fracture joint testing device for the geotechnical engineering model test, which can adjust the distance between the test beds according to the size of the sample piece, reduce the moving resistance of the sliding sleeve, is convenient to use and reduce the test error.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention provides a surrounding rock fracture joint testing device for a geotechnical engineering model test, which comprises a test operating platform, wherein a sliding rod is fixedly connected to the test operating platform, a sliding sleeve is connected to the sliding rod in a sliding manner, a supporting plate is fixedly connected to the side surface of the sliding sleeve, and a pressure column is fixedly connected to the lower surface of the supporting plate; a driving mechanism for driving the sliding sleeve to move up and down along the sliding rod is arranged on the side edge of the sliding rod, and the driving mechanism drives the sliding sleeve to move up and down and enables the pressure column to extrude a test sample on the test operating platform; the sliding sleeve is also fixedly connected with a lubricating mechanism for lubricating the contact part of the sliding rod and the sliding sleeve; the upper surface of the test operating platform is provided with a chute, the inner wall of the chute is connected with a pair of symmetrically arranged I-shaped sliding blocks in a sliding manner, the upper surface of each I-shaped sliding block is fixedly connected with a supporting block, each supporting block is provided with a groove, the inner walls of the two grooves are clamped with a fracture wire, and the surface of the fracture wire is clamped with a plurality of metal clamping blocks which are coupled and connected with the indicating lamp through electric wires; the test sample is placed on the two supporting blocks and located above the broken filaments, the driving mechanism drives the sliding sleeve to move downwards and drives the pressure column to extrude the test sample, when the test sample is broken and can drive the broken filaments to break, the indicator light corresponding to the broken position is lightened, and the structural strength of the test sample is known according to the lightening sequence of the indicator light.
Preferably, the lubricating mechanism comprises a lubricating shell fixedly connected to the inner wall of the through hole of the sliding sleeve, a pair of through holes is formed in the front face of the lubricating shell, the inner wall of each through hole is rotatably connected with a lubricating roller through a rotating shaft, an annular groove matched with the sliding rod is formed in the surface of the lubricating roller, the annular groove penetrates through the inner side wall of the lubricating shell and is in lap joint with the sliding rod, bristles are arranged on the surface of the lubricating roller, and an oil filling port is formed in the side face of the lubricating shell.
Optionally, the driving mechanism includes a rotating motor fixed to the side of the sliding rod near the top thereof through a motor fixing frame, an output shaft of the rotating motor is fixedly connected with a lead screw through a coupling, and the sliding sleeve is provided with a threaded hole in threaded connection with the lead screw; the upper surface of the test operation table is fixedly connected with a turntable bearing seat, and the inner annular surface of the turntable bearing seat is fixedly connected with the bottom end of the screw rod.
Furthermore, the lower surface of the test operating platform is fixedly connected with an adjusting mechanism for adjusting the levelness of the test operating platform.
Optionally, the adjusting mechanism includes a mounting plate fixedly connected to the lower surface of the test operating platform, a connecting sleeve is fixedly connected to the center position of the lower surface of the mounting plate, a supporting column is slidably connected to the inner wall of the connecting sleeve, and a ground foot seat is fixedly connected to the bottom end of the supporting column; the lower surface of mounting panel centers on connecting sleeve fixedly connected with adjusting threaded rod, the surface of support column is close to its middle part fixedly connected with support lagging, set up on the support lagging with adjusting threaded rod threaded connection's through-hole, adjusting threaded rod's the equal threaded connection in surface has two adjusting nut, and these two adjusting nut set up respectively the upper surface and the lower surface of support lagging.
Optionally, a threaded through hole is formed in the I-shaped sliding block, a locking bolt is connected to the inner wall of the threaded through hole in a threaded mode, and one end of the locking bolt is abutted to the upper surface of the test operating platform.
Furthermore, the number of the sliding rods and the number of the sliding sleeves are four, and the four sliding rods are arranged at the four corners of the test operating platform in a rectangular array.
Furthermore, the number of the adjusting threaded rods is eight, every two adjusting threaded rods are a group, and the four groups of adjusting threaded rods are symmetrically arranged on the lower surface of the mounting plate by taking the center line of the front surface of the mounting plate as a symmetry axis.
Optionally, the upper surface of the test operating platform is provided with distance scale marks, the positions of the distance scale marks are matched with the positions of the chutes formed in the upper surface of the test operating platform, and the upper surface of the test operating platform is embedded with a leveling ball.
Therefore, the device for testing the surrounding rock fracture joint of the geotechnical engineering model test has the following beneficial effects:
1. this geotechnical engineering model test's surrounding rock crack testing arrangement is through setting up the metal fixture block, is convenient for fast with the electric wire card on the surface of broken silk to save the time, through setting up I shape sliding block, locking bolt and supporting shoe, be convenient for according to the interval of the big or small adjustment test bench of appearance spare, thereby use more convenience.
2. This geotechnical engineering model test's country rock crack testing arrangement, through setting up frequency conversion rotation motor, lead screw and sliding sleeve, the rotation that the frequency conversion of being convenient for rotated the motor makes the lead screw at sliding sleeve's screw hole internal rotation to drive sliding sleeve from top to bottom and make pressure column extrusion test sample, through using lubricated casing and lubricated roller, the sliding sleeve of being convenient for is lubricated roller and is paintd lubricating oil on the surface of slide bar when removing, reduces the resistance that sliding sleeve removed.
3. This geotechnical engineering model test's surrounding rock crack testing arrangement through setting up adjusting threaded rod, support lagging plate, adjusting nut, support column and adapter sleeve, is convenient for rotate adjusting nut and adjusts the height at four angles to make experimental operation panel level according to the level ball, reduce experimental error.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following detailed description is given in conjunction with the preferred embodiments, together with the accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
FIG. 1 is a schematic structural diagram of a surrounding rock fracture joint testing device for geotechnical engineering model tests of the present invention;
FIG. 2 is a schematic cross-sectional structure diagram of a device for testing a fracture seam of a surrounding rock according to a geotechnical engineering model test of the present invention;
FIG. 3 is an enlarged schematic view at A in FIG. 2;
FIG. 4 is an enlarged schematic view at B of FIG. 2;
FIG. 5 is a schematic side sectional view of the I-shaped sliding block and the supporting block of the present invention.
In the figure: 1-test operation table, 2-sliding rod, 3-sliding sleeve, 4-supporting plate, 5-pressure column, 6-I-shaped sliding block, 7-supporting block, 8-broken filament, 9-metal clamping block, 10-operation panel, 11-indicator light, 12-lubricating shell, 13-lubricating roller, 14-motor fixing frame, 15-variable frequency rotating motor, 16-lead screw, 17-turntable bearing seat, 18-mounting plate, 19-connecting sleeve, 20-supporting column, 21-ground foot seat, 22-adjusting threaded rod, 23-supporting sleeve plate, 24-adjusting nut and 25-locking bolt.
Detailed Description
Other aspects, features and advantages of the present invention will become apparent from the following detailed description, taken in conjunction with the accompanying drawings, which form a part of this specification, and which illustrate, by way of example, the principles of the invention. In the referenced drawings, the same or similar components in different drawings are denoted by the same reference numerals.
Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The terms "disposed", "connected", and the like, are to be construed broadly and include, for example, "connected", whether fixedly, detachably, or integrally; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 5, the invention provides a surrounding rock fracture joint testing device for geotechnical engineering model tests, which comprises a test operating platform 1, wherein the lower surface of the test operating platform 1 is fixedly connected with four adjusting mechanisms, the four adjusting mechanisms are arranged at four corners of the lower surface of the test operating platform 1 in a rectangular array manner, each adjusting mechanism comprises an installation plate 18 fixedly connected to the lower surface of the test operating platform 1, the central position of the lower surface of the installation plate 18 is fixedly connected with a connecting sleeve 19, the inner wall of the connecting sleeve 19 is slidably connected with a support column 20, the bottom end of the support column 20 is fixedly connected with a ground foot seat 21, and the lower surface of the ground foot seat 21 is provided with a rubber protection pad.
In addition, the lower surface of the mounting plate 18 is fixedly connected with adjusting threaded rods 22, the number of the adjusting threaded rods 22 is eight, every two adjusting threaded rods 22 are in one group, the four groups of adjusting threaded rods 22 are symmetrically arranged on the lower surface of the mounting plate 18 by taking the center line of the front surface of the mounting plate 18 as a symmetry axis, the surface of the support column 20 is fixedly connected with a support sleeve plate 23, through holes matched with the adjusting threaded rods 22 are formed in the support sleeve plate 23, one end of each adjusting threaded rod 22 penetrates through the inner wall of each through hole formed in the support sleeve plate 23, two adjusting nuts 24 are in threaded connection with the surface of each adjusting threaded rod 22, the two adjusting nuts 24 are respectively arranged on the upper surface and the lower surface of the support sleeve plate 23, the heights of the four corners of the test operating platform can be conveniently adjusted by arranging the adjusting threaded rods 22, the support sleeve plate 23, the adjusting, and the test operation table is leveled according to the leveling ball embedded on the upper surface of the test operation table 1, so that the test error is reduced.
The upper surface of the test operation table 1 is fixedly connected with a sliding rod 2, the surface of the sliding rod 2 is connected with a sliding sleeve 3 in a sliding manner, the number of the sliding rods 2 and the number of the sliding sleeve 3 are four, the four sliding rods 2 are arranged at four corners of the upper surface of the test operation table 1 in a rectangular array manner, the inner walls of the four sliding sleeves 3 are provided with square through holes, the inner wall of each square through hole of each sliding sleeve 3 is fixedly connected with a lubricating mechanism, each lubricating mechanism comprises a lubricating shell 12 fixedly connected with the inner wall of each square through hole of each sliding sleeve 3, the front side of each lubricating shell 12 is provided with a pair of through holes, the inner walls of the pair of through holes are rotatably connected with a lubricating roller 13 through a rotating shaft, the surface of each lubricating roller 13 is provided with a ring groove matched with the corresponding sliding rod 2, the ring groove of each lubricating roller 13 penetrates through, an oil filling port is formed in the side surface of the lubricating shell 12, and by using the lubricating shell 12 and the lubricating roller 13, the lubricating roller 13 can conveniently coat lubricating oil on the surface of the sliding rod 2 when the sliding sleeve 3 moves, so that the resistance of the sliding sleeve 3 to move is reduced.
In the invention, a supporting plate 4 is fixedly connected to the side surface of a sliding sleeve 3, a pressure column 5 is fixedly connected to the lower surface of the supporting plate 4, a motor fixing frame 14 is fixedly connected to the surface of a sliding rod 2, a variable-frequency rotating motor 15 is fixedly connected to the upper surface of the motor fixing frame 14, a screw rod 16 is fixedly connected to the output shaft of the variable-frequency rotating motor 15 through a coupling, a threaded hole matched with the screw rod 16 is formed in the sliding sleeve 3, the surface of the screw rod 16 is in threaded connection with the inner wall of a threaded hole formed in the sliding sleeve 3, the upper surface of the test operating platform 1 is fixedly connected with a turntable bearing seat 17, the inner annular surface of the turntable bearing seat 17 is fixedly connected with the surface of the screw rod 16, through setting up frequency conversion rotating electrical machines 15, lead screw 16 and sliding sleeve 3, the rotation of the frequency conversion rotating electrical machines 15 of being convenient for makes lead screw 16 rotate in the screw hole of sliding sleeve 3 to drive sliding sleeve 3 from top to bottom and make pressure column 5 extrusion test sample.
The variable frequency rotating motor 15, the screw rod 16, the turntable bearing seat 17 and the motor fixing frame 14 form a driving mechanism of the invention.
In addition, the upper surface of the test operating platform 1 is provided with a sliding chute, the inner wall of the sliding chute is connected with two I-shaped sliding blocks 6 in a sliding mode, the two I-shaped sliding blocks 6 are symmetrically arranged on the upper surface of the test operating platform 1 by taking the center line of the front surface of the test operating platform 1 as a symmetry axis, the I-shaped sliding blocks 6 are provided with threaded through holes, the inner walls of the threaded through holes are in threaded connection with locking bolts 25, and one end of each locking bolt 25 is abutted to the upper surface of the test operating platform 1. Distance scale marks are arranged on the upper surface of the test operating platform 1, and the positions of the distance scale marks are matched with the positions of sliding grooves formed in the upper surface of the test operating platform 1.
As shown in fig. 1 and 2, a supporting block 7 is fixedly connected to the upper surface of an i-shaped sliding block 6 of the present invention, a groove is formed on the upper surface of the supporting block 7, a breaking filament 8 is clamped to the inner wall of the groove, the breaking filament 8 is made of graphite, a plurality of metal fixture blocks 9 are clamped to the surface of the breaking filament 8, an operation panel 10 is fixedly connected to the front of the test operating platform 1, a plurality of indicator lamps 11 and switches are respectively embedded in the front of the operation panel 10, the metal fixture blocks 9 are coupled to the indicator lamps 11 through electric wires, the indicator lamps 11, the metal fixture blocks 9 and the variable frequency rotating motor 15 are coupled to an external power supply, the electric wires are conveniently and rapidly clamped to the surface of the breaking filament 8 through the arrangement of the metal fixture blocks 9, so as to save time, and the space between the test platforms is conveniently adjusted according to the size of a sample piece through the arrangement of the i-shaped sliding block, thereby being more convenient to use.
The working principle of the device for testing the fracture seam of the surrounding rock of the geotechnical engineering model test of the present invention will be briefly described with reference to fig. 1 to 5 in combination with the above description of the structural features:
when the device for testing the surrounding rock fracture joint of the geotechnical engineering model is used, a leveling ball is checked, the adjusting nuts 24 of the four adjusting mechanisms are rotated to enable the test operating platform 1 to be in a horizontal state, the I-shaped sliding block 6 is slid to a proper distance according to the size of a test sample, the locking bolt 25 is screwed, the metal clamping blocks 9 are clamped on the surface of the fracture filament 8 at equal intervals, the fracture filament 8 is placed on the supporting block 7, the test sample is placed on the supporting block 7, the switch is started to enable the variable-frequency rotating motor 15 to rotate, the lead screw 16 drives the sliding sleeve 3 to move downwards by the rotation of the variable-frequency rotating motor 15, the pressure column 5 is driven to extrude the test sample, when the test sample is fractured and the fracture filament 8 is driven to fracture, the indicator lamps 11 corresponding to two sides of the fractured position are lightened, and the structural strength of the test sample is known according to the lightening of the indicator lamps 11, through using this geotechnical engineering model test's surrounding rock fracture seam testing arrangement, not only can be according to test sample adjustment interval, it is convenient moreover, save test time.
While the foregoing is directed to the preferred embodiment of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.
Claims (9)
1. The utility model provides a geotechnical engineering model test's surrounding rock fracture seam testing arrangement, includes test operation platform, its characterized in that:
a sliding rod is fixedly connected to the test operating platform, a sliding sleeve is connected to the sliding rod in a sliding mode, a supporting plate is fixedly connected to the side face of the sliding sleeve, and a pressure column is fixedly connected to the lower surface of the supporting plate;
a driving mechanism for driving the sliding sleeve to move up and down along the sliding rod is arranged on the side edge of the sliding rod, and the driving mechanism drives the sliding sleeve to move up and down and enables the pressure column to extrude a test sample on the test operating platform;
the sliding sleeve is also fixedly connected with a lubricating mechanism for lubricating the contact part of the sliding rod and the sliding sleeve;
the upper surface of the test operating platform is provided with a chute, the inner wall of the chute is connected with a pair of symmetrically arranged I-shaped sliding blocks in a sliding manner, the upper surface of each I-shaped sliding block is fixedly connected with a supporting block, each supporting block is provided with a groove, the inner walls of the two grooves are clamped with a fracture wire, and the surface of the fracture wire is clamped with a plurality of metal clamping blocks which are coupled and connected with the indicating lamp through electric wires;
the test sample is placed on the two supporting blocks and located above the broken filaments, the driving mechanism drives the sliding sleeve to move downwards and drives the pressure column to extrude the test sample, when the test sample is broken and can drive the broken filaments to break, the indicator light corresponding to the broken position is lightened, and the structural strength of the test sample is known according to the lightening sequence of the indicator light.
2. The device for testing the surrounding rock fracture joint of the geotechnical engineering model test as claimed in claim 1, wherein the lubricating mechanism comprises a lubricating shell fixedly connected to the inner wall of the through hole of the sliding sleeve, a pair of through holes are formed in the front surface of the lubricating shell, the inner walls of the pair of through holes are rotatably connected with a lubricating roller through a rotating shaft, an annular groove matched with the sliding rod is formed in the surface of the lubricating roller, the annular groove penetrates through the inner side wall of the lubricating shell and is in lap joint with the sliding rod, bristles are arranged on the surface of the lubricating roller, and an oil filling port is formed in the side surface of the lubricating shell.
3. The device for testing the surrounding rock fracture joint of the geotechnical engineering model test as claimed in claim 1, wherein said driving mechanism includes a rotating motor fixed on the side of said sliding rod near the top thereof through a motor fixing frame, the output shaft of said rotating motor is fixedly connected with a lead screw through a coupling, and said sliding sleeve is provided with a threaded hole in threaded connection with said lead screw;
the upper surface of the test operation table is fixedly connected with a turntable bearing seat, and the inner annular surface of the turntable bearing seat is fixedly connected with the bottom end of the screw rod.
4. The device for testing the surrounding rock fracture joint of the geotechnical engineering model test of claim 1, wherein an adjusting mechanism is fixedly connected to the lower surface of the test operating platform and used for adjusting the levelness of the test operating platform.
5. The device for testing the surrounding rock fracture joint of the geotechnical engineering model test as claimed in claim 4, wherein the adjusting mechanism comprises a mounting plate fixedly connected to the lower surface of the test operating platform, a connecting sleeve is fixedly connected to the center position of the lower surface of the mounting plate, a supporting column is slidably connected to the inner wall of the connecting sleeve, and a ground foot seat is fixedly connected to the bottom end of the supporting column;
the lower surface of mounting panel centers on connecting sleeve fixedly connected with adjusting threaded rod, the surface of support column is close to its middle part fixedly connected with support lagging, set up on the support lagging with adjusting threaded rod threaded connection's through-hole, adjusting threaded rod's the equal threaded connection in surface has two adjusting nut, and these two adjusting nut set up respectively the upper surface and the lower surface of support lagging.
6. The device for testing the surrounding rock fracture joint of the geotechnical engineering model test of claim 1, wherein a threaded through hole is formed in the I-shaped sliding block, a locking bolt is in threaded connection with the inner wall of the threaded through hole, and one end of the locking bolt abuts against the upper surface of the test operating platform.
7. The apparatus for testing a surrounding rock fracture joint of geotechnical engineering model test set forth in claim 1, wherein said sliding rods and sliding sleeves are four in number, and four sliding rods are disposed in a rectangular array at four corners of said test console.
8. The device for testing the surrounding rock fracture joint of the geotechnical engineering model test of claim 5, wherein the number of the adjusting threaded rods is eight, every two adjusting threaded rods are in one group, and the four groups of adjusting threaded rods are symmetrically arranged on the lower surface of the mounting plate by taking the center line of the front surface of the mounting plate as a symmetry axis.
9. The device for testing the surrounding rock fracture joint of the geotechnical engineering model test of claim 1, wherein distance scale marks are arranged on the upper surface of the test operating platform, the positions of the distance scale marks are matched with the positions of sliding grooves formed in the upper surface of the test operating platform, and leveling balls are embedded in the upper surface of the test operating platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010995204.9A CN112033809A (en) | 2020-09-21 | 2020-09-21 | Rock-surrounding fracture joint testing device for geotechnical engineering model test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010995204.9A CN112033809A (en) | 2020-09-21 | 2020-09-21 | Rock-surrounding fracture joint testing device for geotechnical engineering model test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112033809A true CN112033809A (en) | 2020-12-04 |
Family
ID=73574679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010995204.9A Withdrawn CN112033809A (en) | 2020-09-21 | 2020-09-21 | Rock-surrounding fracture joint testing device for geotechnical engineering model test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112033809A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112415175A (en) * | 2020-12-15 | 2021-02-26 | 中国路桥工程有限责任公司 | Physical model test device for ground fissure |
-
2020
- 2020-09-21 CN CN202010995204.9A patent/CN112033809A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112415175A (en) * | 2020-12-15 | 2021-02-26 | 中国路桥工程有限责任公司 | Physical model test device for ground fissure |
| CN112415175B (en) * | 2020-12-15 | 2023-01-06 | 中国路桥工程有限责任公司 | Physical model test device for ground fissure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112033809A (en) | Rock-surrounding fracture joint testing device for geotechnical engineering model test | |
| CN212693426U (en) | Experimental wall rock fracture joint test equipment of geotechnical engineering model | |
| CN102519795B (en) | Rotatable rock-soil testing machine driven by single motor | |
| CN111398027A (en) | Rock-surrounding fracture joint testing device for geotechnical engineering model test | |
| CN214276773U (en) | Geotechnical engineering investigation drilling depth display device | |
| CN219455821U (en) | Concrete strength detection device for engineering detection | |
| CN219179057U (en) | Highway engineering resistance to compression experimental apparatus | |
| CN107677501A (en) | A kind of performance test sample obtains mechanism | |
| CN215115426U (en) | Compaction tester for highway construction test | |
| CN112065274B (en) | Engineering supervision auxiliary device | |
| CN113029082B (en) | Tunneling angle measuring device for tunnel construction | |
| CN107654205A (en) | A kind of ground corning machine | |
| CN212621608U (en) | Geotechnical engineering sampling device | |
| CN213544268U (en) | Concrete bending resistance test device | |
| CN209707639U (en) | A kind of mobile laboratory vehicle of electric-power safe instruments | |
| CN220080123U (en) | Expansive soil slope monitoring device | |
| CN218322682U (en) | Compactness measuring device | |
| CN215952560U (en) | Civil engineering is with measuring equipment of automatic calibration basic point | |
| CN220598392U (en) | Foundation bearing capacity testing device | |
| CN209945910U (en) | Sclerometer convenient to fixed measurement thing | |
| CN219224192U (en) | Road detection sampling device | |
| CN111172960B (en) | Excavation and compaction integrated equipment and method for road condition detection | |
| CN216669684U (en) | Concrete pressure bleeding appearance convenient to equipment | |
| CN217845045U (en) | Laser cutting saw blade end jump detector for determining concentricity | |
| CN221277648U (en) | Drilling device for geotechnical engineering |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201204 |
|
| WW01 | Invention patent application withdrawn after publication |