CN209673578U - A kind of soft rock strength test needle penetrometer - Google Patents
A kind of soft rock strength test needle penetrometer Download PDFInfo
- Publication number
- CN209673578U CN209673578U CN201920298746.3U CN201920298746U CN209673578U CN 209673578 U CN209673578 U CN 209673578U CN 201920298746 U CN201920298746 U CN 201920298746U CN 209673578 U CN209673578 U CN 209673578U
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- Prior art keywords
- needle
- penetrometer
- tripod
- connection
- hole
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- 238000012360 testing method Methods 0.000 title claims abstract description 42
- 239000011435 rock Substances 0.000 title claims abstract description 33
- 238000004080 punching Methods 0.000 claims abstract description 27
- 238000006073 displacement reaction Methods 0.000 claims abstract description 15
- 230000035515 penetration Effects 0.000 claims abstract description 15
- 239000000203 mixture Substances 0.000 claims abstract description 4
- 238000002347 injection Methods 0.000 claims description 25
- 239000007924 injection Substances 0.000 claims description 25
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 24
- 239000003381 stabilizer Substances 0.000 claims description 13
- 230000001681 protective effect Effects 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000005381 potential energy Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 239000002689 soil Substances 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract description 2
- 230000005672 electromagnetic field Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 240000002853 Nelumbo nucifera Species 0.000 description 4
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 4
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
A kind of soft rock strength test needle penetrometer, belong to rock and soil engineering detection technical field, by needle penetrometer in structure, connection lock connects composition with tripod, electromagnetic coil is powered, punching hammer is set to shift up savings potential energy under electromagnetic field effect, punching hammer does the movement of falling object when power-off, potential energy is switched into kinetic energy, pressure to soft rock is carried out to hammer penetration needle, by the size of electric current control punching hammer fall away from, so that each stress of instrument can achieve equilibrium, instrument is leveled by the way that tripod is added, round level bubble observation, so that instrument levels performance in operation and further increases；Experiment success rate also further increases, and pressure sensor and displacement sensor is added to replace the artificial counting mode of traditional penetrometer, so that experimental result is more accurate；The hammer number of punching hammer is controlled by external equipment, reads data, and intelligence degree is higher, and acquisition data are also more convenient, accurate.
Description
Technical field
The utility model belongs to rock and soil engineering detection technical field, is related to a kind of strengths of rock and soil test equipment, specifically
It is to be related to a kind of soft rock strength test needle penetrometer.
Background technique
Uniaxial compressive strength is that rock mass classification and rock mass characteristic describe difference in most commonly used property and geotechnical engineering
It calculates and an important parameter in design method.Generally for the test of rock mass uniaxial compressive strength all using production Standard rock sample
Test specimen is simultaneously measured by related large-scale instrument and equipment, and the soft rock of higher for rate of decay, incomplete diagenesis is then difficult to make
Standard rock sample, to be difficult to carry out follow-up test.International Society of Rock Mechanics (ISRM) is recommended to use by one kind of Japan's production
Needle penetrometer carries out the intensity of penetration test test soft rock, converts by testing needle penetrating power and injection amount, and by correlation formula
Its corresponding uniaxial compressive, tensile strength out.Control of the penetrometer by the way of artificially applying lotus, due to manual operation for power
Processing procedure degree is lower so that during test cannot at the uniform velocity injection, and be difficult to ensure the vertical rock surface of penetration needle, be also easy stress
Unevenness, leads to collapse that needle phenomenon is serious, larger to the consumption of penetration needle.And conventional needle penetrometer injection amount is using the side manually read
Formula, numerical value gap due to artificial origin, influences accuracy of reading.Therefore, wide popularization and application is not obtained in the world.
Utility model content
The purpose of this utility model is to be directed to conventional needle penetrometer by the way of artificially applying lotus for the controlling extent of power
It is lower, it is difficult to guarantee that the vertical rock surface of penetration needle, unbalance stress cause the consumption of penetration needle larger, artificial accuracy of reading is lower
The deficiencies of.It is proposed a kind of soft rock strength test needle penetrometer, it can be achieved that instrument autonomous loading, can make each stress of instrument can be with
Reach balanced, facilitates acquisition data, test result can be made more accurate.
The technical solution of the utility model is: a kind of soft rock strength test needle penetrometer, it is characterised in that: the testing needle
Penetrometer is connected and composed by needle penetrometer, connection lock and tripod；
The needle penetrometer is by rear cover, electromagnetic coil, injection bar, punching hammer, shell, chuck mechanism, penetration needle and protection
Cap connection composition；The interior of shell is successively arranged fixed upper portion fixing groove, intermediate fixing groove and bottom from top to bottom and fixes
Slot, the injection bar are slidably arranged in the upper portion fixing groove, intermediate fixing groove and bottom fixing groove, the punching hammer setting
The top of the injection bar, the middle part of the injection bar are equipped with punching and hammer bayonet into shape, and the chuck mechanism connection setting is passed through described
Enter the bottom of bar, the chuck mechanism is made of collet and screw-casing, and collet is equipped with spiral interface, and screw-casing is connect by spiral
Mouth is connected and fixed with collet, and the penetration needle is clamped in the chuck mechanism, and the inner wall of the injection bar is equipped with pressure
Sensor and displacement sensor, the pressure sensor and the punching hammer bayonet connect, institute's displacement sensors with pass through
The surface for entering bar connects, and the top of the shell is arranged in the electromagnetic coil, and the rear cover is located at the electromagnetic wire
The outside of circle, the protective cap are connected to the bottom end of shell and cover the chuck mechanism, are equipped in the middle part of the outer side of shell
Connects bayonet socket；
The connection lock is connected by connects bayonet socket with needle penetrometer, and the connection lock is by lock pedestal, circle water
Quasi- bubble and connection bolt are constituted；The center of the lock pedestal is equipped with through-hole, and the aperture of the through-hole is equipped with connection card slot, institute
The upper surface that lock pedestal is arranged in round level bubble is stated, the connection bolt is uniformly arranged in the periphery of the through-hole, described
Needle penetrometer is inserted into the through-hole, and is connected with each other by connects bayonet socket and connection card slot；
Tripod connection is arranged in the lower section of the connection lock, the tripod by tripod pedestal, stabilizer blade, stretch
Contracting set and debugging support are constituted, and tripod pedestal center is equipped with the centre bore penetrated for needle penetrometer, the centre bore
The tripod pedestal of periphery is equipped with tapped through hole, and the bottom end of each stabilizer blade is arranged in the debugging support, described flexible
It is set on each stabilizer blade, and is locked by fixture nut, the tripod pedestal passes through connection bolt
It is connected and fixed with lock is connect.
The outer casing inner wall make-up is sticked for connecting peripheral control unit, pressure sensor and the data of displacement sensor
Transmission line, data line are drawn by rear cover.
The through-hole is inverted conical shape through-hole, and the tapered surface of through-hole and case surface is fitted and connected.
The centre bore is cylindrical hole, and the diameter of centre bore is greater than shell bottom diameter.
The debugging support is the cylindrical piece with screw rod, and screw rod rotary extension is in the bottom end of stabilizer blade.
The utility model has the following beneficial effects: a kind of soft rock strength test needle penetrometer provided by the utility model, structure
On connect and is formed with tripod by needle penetrometer, connection lock, electromagnetic coil is powered, and punching hammer is made under electromagnetic field effect upwards
Displacement savings potential energy, punching hammer does the movement of falling object when power-off, and potential energy is switched to kinetic energy, is carried out to hammer penetration needle to soft
The pressure of rock.The utility model improves force mechanism, and by the way that electromagnet and punching hammer combination is added, Lai Shixian instrument independently adds
Lotus is fallen by what the size control punching of electric current was hammered into shape away from so that each stress of instrument can achieve equilibrium；By the way that tripod is added
Instrument is leveled, round level bubble observation, so that instrument levels performance in operation and further increases, success of the test rate is also further
It increases；Pressure sensor and displacement sensor is added to replace the artificial counting mode of traditional penetrometer, so that test result is more
It is accurate；The hammer number of punching hammer is controlled by external equipment, reads data, and intelligence degree is higher, acquires data
It is more convenient, accurate.
Detailed description of the invention
Fig. 1 is the utility model overall structure diagram.
Fig. 2 is the structural schematic diagram of needle penetrometer in the utility model.
Fig. 3 is the overlooking structure diagram that lock is connected in the utility model.
Fig. 4 is the structural schematic diagram of tripod in the utility model.
Fig. 5 is the enlarged structure schematic diagram in Fig. 2 at A.
In figure: needle penetrometer 1, rear cover 1-1, electromagnetic coil 1-2, injection bar 1-3, punching hammer 1-4, shell 1-5, punching hammer
Bayonet 1-6, connects bayonet socket 1-7, protective cap 1-8, penetration needle 1-9, chuck mechanism 1-10, screw-casing 1-10-1, collet 1-10-2,
Spiral interface 1-10-3, bottom fixing groove 1-11, displacement sensor 1-12, intermediate fixing groove 1-13, pressure sensor 1-14, number
According to transmission line 1-15, upper portion fixing groove 1-16, connection the end of a thread 1-17, connection lock 2, lock pedestal 2-1, round level bubble 2-2,
Through-hole 2-3, connection card slot 2-4, connection bolt 2-5, tripod 3, tripod pedestal 3-1, centre bore 3-2, tapped through hole 3-3,
Fixture nut 3-4, telescopic 3-5, debugging support 3-6, stabilizer blade 3-7.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing:
As shown in Figs. 1-5, a kind of soft rock strength test needle penetrometer, including the control being connected to outside testing needle penetrometer
Device；Testing needle penetrometer is connected and composed by needle penetrometer 1, connection lock 2 and tripod 3.
As shown in Fig. 2, Fig. 5, a kind of soft rock strength test needle penetrometer, needle penetrometer 1 is by rear cover 1-1, electromagnetic coil 1-
2, injection bar 1-3, punching hammer 1-4, shell 1-5, chuck mechanism 1-10, penetration needle 1-9 connect composition with protective cap 1-8；Shell
Fixed upper portion fixing groove 1-16, centre fixing groove 1-13 and bottom fixing groove 1-11 are successively arranged inside 1-5 from top to bottom, is passed through
Enter bar 1-3 and be slidably arranged in upper portion fixing groove 1-16, in centre fixing groove 1-13 and bottom fixing groove 1-11, punching hammer 1-4 is set
The top of injection bar 1-3 is set, the middle part of injection bar 1-3 is equipped with punching and hammers bayonet 1-6 into shape, and chuck mechanism 1-10 connection is arranged in injection
The bottom of bar 1-3, chuck mechanism 1-10 are made of collet 1-10-2 and screw-casing 1-10-1, and collet 1-10-2 connects equipped with spiral
Mouthful 1-10-3, screw-casing 1-10-1 are connected and fixed by spiral interface 1-10-3 and collet 1-10-2, and penetration needle 1-9 is clamped in
In chuck mechanism 1-10, the inner wall of injection bar 1-3 is equipped with pressure sensor 1-14 and displacement sensor 1-12, pressure sensor
1-14 and punching hammer bayonet 1-6 are connected, and the surface of displacement sensor 1-12 and injection bar 1-3 connect, electromagnetic coil
The top of shell 1-5 is arranged in 1-2, and rear cover 1-1 is located at the outside of electromagnetic coil 1-2, and protective cap 1-8 is connected to shell 1-5
Bottom end and chuck mechanism 1-10 is covered, the outer middle side part of shell 1-5 is equipped with connects bayonet socket 1-7.
As shown in Figure 1, Figure 3, a kind of soft rock strength test needle penetrometer, connection lock 2 are passed through by connects bayonet socket 1-7 with needle
Enter instrument 1 to be connected, connection lock 2 is made of lock pedestal 2-1, round level bubble 2-2 and connection bolt 2-5；Latch pedestal 2-1
Center be equipped with through-hole 2-3, the aperture of through-hole 2-3 is equipped with connection card slot 2-4, round level bubble 2-2 setting in lock pedestal 2-1
Upper surface, connection bolt 2-5 be uniformly arranged in the periphery of through-hole 2-3, needle penetrometer 1 is inserted into through-hole 2-3, and passes through company
It meets bayonet 1-7 and connection card slot 2-4 is connected with each other.
As Figure 1 and Figure 4, a kind of soft rock strength test needle penetrometer, the connection of tripod 3 are arranged under connection lock 2
Side, tripod 3 is made of tripod pedestal 3-1, stabilizer blade 3-7, telescopic 3-5 and debugging support 3-6, in tripod pedestal 3-1
The heart is equipped with the centre bore 3-2 penetrated for needle penetrometer 1, and the tripod pedestal 3-1 of the periphery centre bore 3-2 is equipped with tapped through hole
The bottom end of each stabilizer blade 3-7 is arranged in 3-3, debugging support 3-6, and telescopic 3-5 is arranged on each stabilizer blade 3-7, and by solid
Determine nut 3-4 to be locked, tripod pedestal 3-1 is connected and fixed by connection bolt 2-5 with lock 2 is connect.
As shown in Figs. 1-5, a kind of soft rock strength test needle penetrometer, shell 1-5 inner wall make-up are sticked outer for connecting
The data line 1-15 of portion's controller, pressure sensor 1-14 and displacement sensor 1-12, data line 1-15 is by rear cover
It is drawn at 1-1；Through-hole 2-3 is inverted conical shape through-hole, and the tapered surface of through-hole 2-3 and case surface is fitted and connected；Centre bore 3-2 is
The diameter of cylindrical hole, centre bore 3-2 is greater than shell bottom diameter；Debugging support 3-6 is the cylindrical piece with screw rod, screw rod rotation
It stretches in the bottom end of stabilizer blade 3-7.
As shown in Figs. 1-5, a kind of working principle of soft rock strength test needle penetrometer is as follows: conventional needle penetrometer uses people
It is tested to apply the mode of lotus, manual operation is also easy to produce uneven force behavior, this behavior can cause to pass through in test process
Enter needle to break, lead to the failure of test.It joined electromagnetic coil in the present invention to combine with irony punching hammer, pass through energization electromagnetism
Coil, which generates magnetic field punching hammer is generated, to be shifted up, punching hammer freely falling body under the effect of gravity when power-off, thus by gesture
Kinetic energy, which can be converted into, moves injection bar, to drive injection needle movement.It can be adjusted by external controller in test
The number of power on/off can be worn to reach control punching hammer times of exercise by control size of current and energization period to control
Heart hammer is fallen away from so that the size control of penetrating power is more unified every time.Conventional needle penetrometer is recorded by artificially reading
Penetrating power and depth of penetration, this result vary with each individual, and have certain error.Penetrating power and displacement are passed by pressure in the present invention
Sensor is counted with displacement sensor, and the reading is shown by external controller, and data reading can be improved in this mode
The test result precision of fetch bit number, acquisition has greatly improved.Conventional needle penetrometer by manual operation, instrument using when deposit
Phenomena such as human factor shakes instrument, this, which will will cause, tested middle unbalance stress, or due to artificially deviating and to certain
One block forms force bias phenomenon, causes test result not accurate enough.Telescopic tripod retainer instrument is used in the present invention,
It can be used in different geological environments, and there is no the interference of human factor, so that test measurement result precision is higher.
Conventional needle injection self is controlled in instrument leveling by tester, and low precision is leveled, and unbalance stress when causing to test is be easy to cause
The failure of test.Using the thick level device of tripod, foot screw progress essence is flat in combining connection lock in the present invention, passes through connection
Round level bubble directly observes leveling degree in lock, and this leveling combination makes instrument leveling precision higher, thus
Follow-up test the data obtained is set to have certain accuracy guarantee.
Claims (5)
1. a kind of soft rock strength test needle penetrometer, it is characterised in that: the testing needle penetrometer is by needle penetrometer (1), connection
Lock (2) and tripod (3) connect and compose；
The needle penetrometer (1) hammers (1-4), shell (1- into shape by rear cover (1-1), electromagnetic coil (1-2), injection bar (1-3), punching
5), chuck mechanism (1-10), penetration needle (1-9) and protective cap (1-8) connection composition；The shell (1-5) is internal from top to bottom
It is successively arranged fixed upper portion fixing groove (1-16), intermediate fixing groove (1-13) and bottom fixing groove (1-11), the injection bar
(1-3) is slidably arranged in the upper portion fixing groove (1-16), intermediate fixing groove (1-13) and bottom fixing groove (1-11), described
Punching hammers the top that the injection bar (1-3) is arranged in (1-4) into shape, and the middle part of the injection bar (1-3) is equipped with punching and hammers bayonet (1- into shape
6), chuck mechanism (1-10) connection is arranged in the bottom of the injection bar (1-3), and the chuck mechanism (1-10) is by collet
(1-10-2) and screw-casing (1-10-1) are constituted, and collet (1-10-2) is equipped with spiral interface (1-10-3), screw-casing (1-10-
1) it is connected and fixed by spiral interface (1-10-3) with collet (1-10-2), the penetration needle (1-9) is clamped in the collet
In mechanism (1-10), the inner wall of the injection bar (1-3) is equipped with pressure sensor (1-14) and displacement sensor (1-12), institute
It states pressure sensor (1-14) and punching hammer bayonet (1-6) connects, institute's displacement sensors (1-12) and injection bar
The surface of (1-3) connects, and the electromagnetic coil (1-2) is arranged in the top of the shell (1-5), the rear cover (1-1)
It is located at the outside of the electromagnetic coil (1-2), the protective cap (1-8) is connected to the bottom end of shell (1-5) and by the folder
Head mechanism (1-10) covers, and the outer middle side part of the shell (1-5) is equipped with connects bayonet socket (1-7)；
The connection lock (2) is connected by connects bayonet socket (1-7) with needle penetrometer (1), and the connection lock (2) is by latching
Pedestal (2-1), round level bubble (2-2) and connection bolt (2-5) are constituted；The center of lock pedestal (2-1) is equipped with through-hole
(2-3), the aperture of the through-hole (2-3) are equipped with connection card slot (2-4), and round level bubble (2-2) setting is in lock pedestal
The upper surface of (2-1), the connection bolt (2-5) are uniformly arranged in the periphery of the through-hole (2-3), the needle penetrometer (1)
It is inserted into the through-hole (2-3), and is connected with each other by connects bayonet socket (1-7) and connection card slot (2-4)；
Tripod (3) the connection setting is in the lower section of the connection lock (2), and the tripod (3) is by tripod pedestal (3-
1), stabilizer blade (3-7), telescopic (3-5) and debugging support (3-6) are constituted, and the tripod pedestal center (3-1), which is equipped with, is used for needle
The tripod pedestal (3-1) of the centre bore (3-2) that penetrometer (1) penetrates, centre bore (3-2) periphery is equipped with tapped through hole
(3-3), in the bottom end of each stabilizer blade (3-7), the telescopic (3-5) is arranged every for debugging support (3-6) setting
It on a stabilizer blade (3-7), and is locked by fixture nut (3-4), the tripod pedestal (3-1) passes through connection
Bolt (2-5) is connected and fixed with lock (2) is connect.
2. a kind of soft rock strength test needle penetrometer according to claim 1, it is characterised in that: in the shell (1-5)
Wall tightens the data line being sticked for connecting peripheral control unit, pressure sensor (1-14) and displacement sensor (1-12)
(1-15), data line (1-15) are drawn by rear cover (1-1).
3. a kind of soft rock strength test needle penetrometer according to claim 1, it is characterised in that: the through-hole (2-3) is
Inverted conical shape through-hole, through-hole (2-3) and the tapered surface of case surface are fitted and connected.
4. a kind of soft rock strength test needle penetrometer according to claim 1, it is characterised in that: the centre bore (3-2)
Diameter for cylindrical hole, centre bore (3-2) is greater than shell bottom diameter.
5. a kind of soft rock strength test needle penetrometer according to claim 1, it is characterised in that: the debugging supports (3-
It 6) is the cylindrical piece with screw rod, screw rod rotary extension is in the bottom end of stabilizer blade (3-7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920298746.3U CN209673578U (en) | 2019-03-08 | 2019-03-08 | A kind of soft rock strength test needle penetrometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920298746.3U CN209673578U (en) | 2019-03-08 | 2019-03-08 | A kind of soft rock strength test needle penetrometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209673578U true CN209673578U (en) | 2019-11-22 |
Family
ID=68570983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920298746.3U Withdrawn - After Issue CN209673578U (en) | 2019-03-08 | 2019-03-08 | A kind of soft rock strength test needle penetrometer |
Country Status (1)
| Country | Link |
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| CN (1) | CN209673578U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109708985A (en) * | 2019-03-08 | 2019-05-03 | 扬州大学 | A kind of soft rock strength test needle penetrometer and its application method |
-
2019
- 2019-03-08 CN CN201920298746.3U patent/CN209673578U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109708985A (en) * | 2019-03-08 | 2019-05-03 | 扬州大学 | A kind of soft rock strength test needle penetrometer and its application method |
| CN109708985B (en) * | 2019-03-08 | 2024-05-17 | 扬州大学 | Soft rock strength test needle penetration instrument and use method thereof |
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Granted publication date: 20191122 Effective date of abandoning: 20240517 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20191122 Effective date of abandoning: 20240517 |