CN108381466A - A kind of geologic hammer - Google Patents
A kind of geologic hammer Download PDFInfo
- Publication number
- CN108381466A CN108381466A CN201810443299.6A CN201810443299A CN108381466A CN 108381466 A CN108381466 A CN 108381466A CN 201810443299 A CN201810443299 A CN 201810443299A CN 108381466 A CN108381466 A CN 108381466A
- Authority
- CN
- China
- Prior art keywords
- tup
- protective case
- fixed
- geologic hammer
- rod
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D1/00—Hand hammers; Hammer heads of special shape or materials
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a kind of geologic hammers, including handle, tup and protective case；Tup is fixed on handle；Protective case is fixed on tup, and is sleeved on the periphery of tup；Wherein, protective case is used to stop the rock fine crushing to splash.The percussion position of protective case package tup in the geologic hammer; using when; rock fine crushing strikes on protective case after being splashed from rock mass and loses attack under the blocking of protective case; avoid rock fine crushing to human body under the buffering of protective case and the effect of blocking; especially the positions such as human eye are damaged, ensure the personal safety of geological work personnel.
Description
Technical field
The present invention relates to technical field of geological exploration, more specifically to a kind of geologic hammer.
Background technology
In field geology preliminry basic research, especially during basic geology charting, geological work personnel need to utilize geology
Hammer taps rock to obtain fresh representative rock specimens.
The hardness degree of rock in field is not quite similar, relatively low in the region hardness being made of shale or mud stone, uses
Geologic hammer, which gently taps, can collect sample.But for the quartzy sandstone etc. in the granite and sedimentary rock in such as magmatic rock
The higher rock of hardness needs firmly to tap repeatedly using geologic hammer, and easily cause rock fine crushing during tapping flies everywhere
It splashes, and the rock fine crushing to splash easily scratches the skin of geological work personnel, or even be splashed to eye position and damage, it is serious to endanger
The personal safety of evil geological work personnel.
To sum up, the rock fine crushing to splash when geologic hammer how to be avoided to tap rock endangers the person peace of geological work personnel
Entirely, it is those skilled in the art's urgent problem to be solved.
Invention content
In view of this, the present invention provides a kind of geologic hammer, it is fixed with protective case on tup, protective case can stop splashing
Rock fine crushing, avoid above-mentioned rock fine crushing from endangering geological work personnel.
To achieve the above object, the present invention provides the following technical solutions：
A kind of geologic hammer, including：
Handle；
Tup, the tup are fixed on the handle；
Protective case, the protective case are fixed on the tup, and are sleeved on the periphery of the tup；
Wherein, the protective case is used to stop the rock fine crushing to splash.
Preferably, in above-mentioned geologic hammer, the protective case is equipped with folding line, and the protective case can be along the folds
Storage.
Preferably, in above-mentioned geologic hammer, the protective case includes fixed plate and the ontology that is connected with the fixed plate；It is described
Fixed plate is fixed on the tup；The ontology circle is in the periphery of the tup, and the folding line is set to the ontology.
Preferably, in above-mentioned geologic hammer, the tup can be removedly fixed in the handle.
Preferably, in above-mentioned geologic hammer, the handle includes：
Holding rod, the holding rod are tubular, and the first end inner wall of the holding rod is fixed with contraction inner nut, the hand
The second end inner wall for holding bar is fixed with support inner nut；The tup is fixed on the first end of the holding rod；
Telescopic rod, the first end of the telescopic rod is equipped with the contraction external screw rod with the contraction inner nut cooperation, described to stretch
The second end of contracting bar is equipped with the support external screw rod with the support inner nut cooperation；
The telescopic rod has receiving state and stretches out state, and in receiving state, the first end of the telescopic rod is by institute
The second end for stating holding rod is inserted into the holding rod, and the contraction external screw rod and the contraction inner nut mutually assemble；
In the extended state, the first end of the telescopic rod is located at outside the holding rod, and in the support external screw rod and the support
Nut mutually assembles.
Preferably, in above-mentioned geologic hammer, in receiving state, the support external screw rod is located at outside the holding rod.
Preferably, further include the locking cap of tubular in above-mentioned geologic hammer, the inner wall of the locking cap is equipped with and the support
The locking cap internal thread of external screw rod cooperation；It is fixed with magnifying glass at the aperture of the locking cap；It is hinged with and puts at the locking cap
Big mirror protection cap；It is fixed with compass in the magnifying glass protection cap.
Preferably, in above-mentioned geologic hammer, knife is also hinged at the locking cap.
Preferably, in above-mentioned geologic hammer, the inner wall of the holding rod is equipped with equally distributed multiple reinforcing ribs.
Preferably, in above-mentioned geologic hammer, the handle is equipped with non-slip rubber ring.
The present invention provides a kind of geologic hammer, including handle, tup and protective case；Tup is fixed on handle；Protective case is solid
It is scheduled on tup, and is sleeved on the periphery of tup；Wherein, protective case is used to stop the rock fine crushing to splash.
The percussion position of protective case package tup in geologic hammer as above, in application, rock fine crushing is hit after being splashed from rock mass
It hits on protective case and loses attack under the blocking of protective case, rock fine crushing is avoided under the buffering of protective case and the effect of blocking
Stone especially damages the positions such as human eye human body, ensures the personal safety of geological work personnel.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram of geologic hammer provided in an embodiment of the present invention；
Fig. 2 is the main structure diagram of protective case provided in an embodiment of the present invention；
Fig. 3 is the side structure schematic view of protective case provided in an embodiment of the present invention；
Fig. 4 is the structural schematic diagram of small tup provided in an embodiment of the present invention；
Fig. 5 is the structural schematic diagram of handle provided in an embodiment of the present invention；
Fig. 6 is the sectional view in the directions BB in Fig. 5；
Fig. 7 is the sectional view in the directions AA in Fig. 5；
Fig. 8 is the structural schematic diagram of telescopic rod provided in an embodiment of the present invention；
Fig. 9 is when telescopic rod provided in an embodiment of the present invention is in receiving state and the installation diagram of holding rod；
Figure 10 is structural schematic diagram when telescopic rod is in stretching state in geologic hammer provided in an embodiment of the present invention；
Figure 11 is the structural schematic diagram of locking cap provided in an embodiment of the present invention；
Figure 12 is another structural schematic diagram of locking cap provided in an embodiment of the present invention；
Figure 13 is the structural schematic diagram of non-slip rubber ring in geologic hammer provided in an embodiment of the present invention；
Figure 14 is when protective case provided in an embodiment of the present invention struts and the installation diagram of tup；
Figure 15 be protective case provided in an embodiment of the present invention along folds when and tup installation diagram.
Wherein, in Fig. 1-Figure 15：
The big tups of 11-, the small tups of 12-, 121- mounting grooves, the second mounting holes of 122-,
2- handles, 21- mounting posts, the first mounting holes of 211-, 22- holding rods, 221- shrink inner nut, the interior spiral shell of 222- supports
Mother, 23- telescopic rods, 231- shrink external screw rod, and 232- supports external screw rod, 225- non-slip rubber rings, 226- reinforcing ribs, 227- rubber
Circle mounting groove, 228- spring leafs,
24- locking caps, 240- perforation, 241- locking cap internal threads, 242- magnifying glass protection caps, 243- knives, 244- amplifications
Mirror, 245- compasses, 246- suppending holes,
3- protective cases, 31- fixed plates, the left sides 311- fixed plate, the right sides 312- fixed plate, 32- mounting holes, 33- ontologies.
Specific implementation mode
The embodiment of the invention discloses a kind of geologic hammer, protective case is fixed on tup, protective case can stop splashing
Rock fine crushing, avoid above-mentioned rock fine crushing from endangering geological work personnel.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
- Figure 15 is please referred to Fig.1, the embodiment of the present invention provides a kind of geologic hammer, including handle 2, tup and protective case 3；Hammer
Head is fixed on handle 2；Protective case 3 is fixed on tup, and is sleeved on the periphery of tup；Wherein, protective case 3 is winged for stopping
The rock fine crushing splashed.
Protective case 3 wraps up the percussion position of tup in geologic hammer as above, in application, rock fine crushing is hit after being splashed from rock mass
It hits on protective case 3 and loses attack under the blocking of protective case 3, avoided under the buffering of protective case 3 and the effect of blocking thin
Crushed rocks especially damage the positions such as human eye human body, ensure the personal safety of geological work personnel.
Preferably, in above-mentioned geologic hammer, protective case 3 is equipped with folding line, and protective case 3 can be stored along above-mentioned folds,
As shown in figure 15.When tapping the lower rock of rigidity hardness using the geologic hammer, by 3 folding shrinking of protective case, so as to user into
Row tapping operation struts protective case 3 when tapping the higher rock of rigidity hardness using the geologic hammer, is splashed with protection thin
Crushed rocks endanger staff's personal safety.
Protective case 3 includes fixed plate 31 and the ontology 33 being connected with fixed plate 31, and fixed plate 31 is fixed on tup, above-mentioned folding
Trace is arranged on ontology 33, and ontology 33 is enclosed in the periphery of tup.Ontology 33 is equipped with the mounting hole 32 of perforation, mounting hole 32 and hammer
Headgear assembly is closed, and the aperture of mounting hole 32 gradually increases, correspondingly, the cross-sectional diameter of ontology 33 also increases successively from top to bottom
Greatly, not only ensured that the shape of ontology 33 and the contour structures of tup matched, but also prevented protective case 33 from interfering use because oversized
Family carries out tapping operation.The lower section of ontology 33 is proximate to the position in the percussion face of tup.
Fixed plate 31 includes left side fixed plate 311 and right side fixed plate 312, left side fixed plate 311 and right side fixed plate 312
It is separately fixed at the upside of ontology 33, and left side fixed plate 311 and right side fixed plate 312 are symmetrically dispersed in 32 aperture of mounting hole
Both sides；The percussion end of tup passes through mounting hole 32, left side fixed plate 311 to be fixed on the left side wall of tup, right side fixed plate
312 are fixed on the right side wall of tup.Above-mentioned ontology 33 is elastic body, specifically may be configured as rubber body.
Further, in order to enhance the convenience of geologic hammer, tup is set as being detachably secured to handle 2, actually answer
Replace tup of different sizes as needed in.Being difficult for some rocks really up to the mark small tup 12 in sampling in the wild will
It is broken into pieces, and it is to be equipped with two hammers simultaneously, but be unfavorable for user's work in the wild in this way that need to use big tup 11, traditional way
It is carried in work, tup and handle 2 are designed to detachably by the present embodiment to solve the above-mentioned problems, and are equipped with two tups, i.e.,
Big tup 11 and small tup 12,12 mounting structure having the same of big tup 11 and small tup, user can as needed will be suitable
Tup be installed on handle 2.
The connection structure of tup and handle 2 is discussed in detail by taking small tup 12 as an example below：
Mounting post 21 is provided on handle 2, mounting post 21 is square structure, to prevent handle 2 and tup from producing after mounting
Raw to relatively rotate, there are three the first mounting holes 211 for setting in mounting post 21, as shown in figure 4, being provided with and installing on small tup 12
The mounting groove 121 that column 21 coordinates, is additionally provided with the second mounting hole 122 coordinated with the first mounting hole 211 on small tup 12, and the
Two mounting holes 122 penetrate through mounting groove 121.When assembly, the mounting post 21 of handle 2 is first inserted into the mounting groove 121 of small tup 12
It is interior, then small tup 12 is fixed on handle 2 with screw bolt passes the first mounting hole 211 and the second mounting hole 122.We
Case is fixed by bolts tup and handle, and tup is facilitated to dismantle.
Further, if the larger big tup 11 of weight to be assemblied in the handle 2 of small tup 12, user is needed to pay when applying
Go out larger power, be not easy to user use, therefore, for the ease of user respectively use big tup 11 and small tup 12, above-mentioned
Hand 2 is set as telescopic handle.Specifically, handle 2 includes holding rod 22 and telescopic rod 23；Holding rod 22 is tubular, is held
The first end inner wall of bar 22, which is fixed with, shrinks inner nut 221, and the second end inner wall of holding rod 22 is fixed with support inner nut 222；
Tup is fixed on the first end of holding rod 22, i.e., above-mentioned mounting post 21 is fixed on the first end of holding rod 22；The of telescopic rod 23
One end is equipped with the contraction external screw rod 231 coordinated with contraction inner nut 221, and the second end of telescopic rod 23 is equipped with and support inner nut
The support external screw rod 232 of 222 cooperations；Telescopic rod 23 has receiving state and stretches out state, in receiving state, telescopic rod 23
First end is inserted by the second end of holding rod 22 in holding rod 22, and is shunk external screw rod 231 and shunk inner nut 221 and mutually fill
Match；In the extended state, the first end of telescopic rod 23 is located at outside holding rod 22, and supports external screw rod 232 and support inner nut 222
Mutually assembly.
When using small tup 12, without lengthening handle 2, as shown in figure 9, the contraction external screw rod 231 of telescopic rod 23 and receipts
Contracting inner nut 221 assembles, and telescopic rod 23 is made to be received into the cavity inside holding rod 22；It needs to lengthen when using big tup 11
The contraction external screw rod 231 of telescopic rod 23 is screwed dismounting from contraction inner nut 221, and made outside the support of telescopic rod 23 by handle 2
Screw rod 232 is threadedly coupled with support inner nut 222, as shown in Figure 10.
In receiving state, above-mentioned support external screw rod 232 is located at outside holding rod 22, so that user is by contraction inner nut 221
Telescopic rod 23 is ressembled to above-mentioned contraction inner nut 221 when locating dismounting telescopic rod 23, and conveniently reusing small tup 12
Place.
Further, as is illustrated by figs. 11 and 12, geologic hammer further includes the locking cap 24 of tubular, and the middle part of locking cap 24 is set
There is perforation 240；The inner wall of locking cap 24 is equipped with the locking cap internal thread 241 coordinated with support external screw rod 232.At telescopic rod 23
When receiving state, locking cap 24, which matches to merge with support external screw rod 232, avoids support external screw rod 232 exposed, can prevent outer spiral shell
The screw thread of bar 232 damages user.
Magnifying glass 244 is fixed at the aperture of locking cap 24；Magnifying glass protection cap 242 is hinged at locking cap 24；Amplification
Compass 245 is fixed in mirror protection cap 242.Since locking cap 24 is detachable, can be used alone, therefore in locking cap 24
Magnifying glass 244 is fixed in perforation 240 and carries out field observation convenient for user, and magnifying glass 244 and geologic hammer are combined together realization
Multi-purpose content facilitates user to carry out field work.Magnifying glass protection cap 242 is hinged on by axis pin on locking cap 24, amplification
Mirror protection cap 242 can be rotated around axis pin, and magnifying glass protection cap 242 can be rotated and be covered when without using magnifying glass 244
At locking cap perforation 240, when using magnifying glass 244, magnifying glass protection cap 242 unscrews and as the handle of magnifying glass 244, side
Just it observes.Compass 245 is fixed in magnifying glass protection cap 242 to point the direction in the wild.
Further, knife 243 is also hinged on locking cap 24, knife 243 can be rotated around axis pin, when need use knife
Rotating knife 243 makes knife 243 leave magnifying glass protection cap 242 when 243, then opens 243 use of knife.Knife 243 is integrated into
The carrying of knife 243 is facilitated on locking cap 24.Knife 243 is used for the hardness of rough test mineral in the wild.
Further, the suppending hole 246 for facilitating locking cap 24 to hang is additionally provided on locking cap 24, in suppending hole 246
Rope can be worn, locking cap 24 can be suspended on neck by user when locking cap 24 is used alone, solid in locking cap 24
When determining onto telescopic rod 23, rope is also convenient for user and carries the geologic hammer.
The madial wall of holding rod 22 is equipped with the multiple reinforcing ribs 226 being uniformly distributed circumferentially.22 inner hollow of holding rod, and
Reinforcing rib 226, which is arranged, can effectively enhance the intensity of holding rod 22.Specifically, there are six the total settings of reinforcing rib 226.Reinforcing rib
226 are arranged along the axial of holding rod 22.
As shown in figure 13, handle 2 is equipped with non-slip rubber ring 225.Non-slip rubber ring 225 is sleeved on 2 outside of handle, specific to cover
In the outside of holding rod 22, non-slip rubber ring 225 can play the role of damping, and tup is produced with rock during tapping rock
Raw vibrations are buffered at non-slip rubber ring 225, avoid having an impact user's palm, while non-slip rubber ring 225
Increase the fastness of user's snatch handle 2.
Along handle 2 axial moving occurs for non-slip rubber ring 225 in order to prevent, and the outer wall of handle 2 (is specially outside holding rod 22
Wall) on be provided with rubber ring mounting groove 227, non-slip rubber ring 225 is installed in rubber ring mounting groove 227.
Further, (it is specially the holding rod of handle 2 in non-slip rubber ring 225 and handle 2 in order to enhance damping effect
22) spring leaf 228 to the direction protrusion far from handle 2 is additionally provided between, spring leaf 228 not only makes shaking on holding rod 22
Power weakens, and also enhances the grip feeling of non-slip rubber ring 225.It is provided on the side wall of non-slip rubber ring 225 and facilitates user's finger
The print slot of grip, meets base of principle of human engineering.
Geologic hammer provided in an embodiment of the present invention is simple in structure, manufacture easy to produce, and production cost is low.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other
The difference of embodiment, just to refer each other for identical similar portion between each embodiment.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest range caused.
Claims (10)
1. a kind of geologic hammer, which is characterized in that including：
Handle；
Tup, the tup are fixed on the handle；
Protective case, the protective case are fixed on the tup, and are sleeved on the periphery of the tup；
Wherein, the protective case is used to stop the rock fine crushing to splash.
2. geologic hammer according to claim 1, which is characterized in that the protective case is equipped with folding line, the protective case energy
It is enough to be stored along the folds.
3. geologic hammer according to claim 2, which is characterized in that the protective case include fixed plate and with the fixed plate
Connected ontology；The fixed plate is fixed on the tup；The ontology circle is in the periphery of the tup, and the folding line is arranged
In the ontology.
4. geologic hammer according to claim 1, which is characterized in that the tup can be removedly fixed in the handle.
5. geologic hammer according to claim 1, which is characterized in that the handle includes：
Holding rod, the holding rod are tubular, and the first end inner wall of the holding rod is fixed with contraction inner nut, the holding rod
Second end inner wall be fixed with support inner nut；The tup is fixed on the first end of the holding rod；
Telescopic rod, the first end of the telescopic rod are equipped with the contraction external screw rod with the contraction inner nut cooperation, the telescopic rod
Second end be equipped with and it is described support inner nut cooperation support external screw rod；
The telescopic rod has receiving state and stretches out state, and in receiving state, the first end of the telescopic rod is by the hand
The second end for holding bar is inserted into the holding rod, and the contraction external screw rod and the contraction inner nut mutually assemble；It is stretching
When doing well, the first end of the telescopic rod is located at outside the holding rod, and the support external screw rod and the support inner nut
Mutually assembly.
6. geologic hammer according to claim 5, which is characterized in that in receiving state, the support external screw rod is located at institute
It states outside holding rod.
7. geologic hammer according to claim 6, which is characterized in that further include the locking cap of tubular, the locking cap it is interior
Wall is equipped with the locking cap internal thread with the support external screw rod cooperation；It is fixed with magnifying glass at the aperture of the locking cap；It is described
Magnifying glass protection cap is hinged at locking cap；It is fixed with compass in the magnifying glass protection cap.
8. geologic hammer according to claim 7, which is characterized in that be also hinged with knife at the locking cap.
9. geologic hammer according to claim 5, which is characterized in that the inner wall of the holding rod is equipped with equally distributed multiple
Reinforcing rib.
10. geologic hammer according to claim 1, which is characterized in that the handle is equipped with non-slip rubber ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810443299.6A CN108381466A (en) | 2018-05-10 | 2018-05-10 | A kind of geologic hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810443299.6A CN108381466A (en) | 2018-05-10 | 2018-05-10 | A kind of geologic hammer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108381466A true CN108381466A (en) | 2018-08-10 |
Family
ID=63070443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810443299.6A Pending CN108381466A (en) | 2018-05-10 | 2018-05-10 | A kind of geologic hammer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108381466A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109596385A (en) * | 2018-12-10 | 2019-04-09 | 贵州大学 | A kind of ROCK MECHANICS RESEARCH rock specimens sampling apparatus |
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|---|---|---|---|---|
| DE2824672A1 (en) * | 1978-06-06 | 1979-12-13 | Klemm Bohrtech | Rock drill hammer noise insulation - involves extensible sound screening sheath on housing round drill bar |
| CN201483463U (en) * | 2009-09-03 | 2010-05-26 | 张春明 | Hammer |
| CN204209645U (en) * | 2014-10-17 | 2015-03-18 | 雷诗敏 | Geologic hammer is splashed for the anti-of geological prospecting |
| CN204686826U (en) * | 2015-05-28 | 2015-10-07 | 台州永建建设有限公司 | A kind of combination handle formula iron hammer |
| CN204954769U (en) * | 2015-09-16 | 2016-01-13 | 武汉中南冶勘资源环境工程有限公司 | Prevent splashing detachably matter hammer |
| CN205600643U (en) * | 2016-04-21 | 2016-09-28 | 象山杰尔德智能科技有限公司 | Can prevent to break to pieces hammer that splashes at end |
-
2018
- 2018-05-10 CN CN201810443299.6A patent/CN108381466A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2824672A1 (en) * | 1978-06-06 | 1979-12-13 | Klemm Bohrtech | Rock drill hammer noise insulation - involves extensible sound screening sheath on housing round drill bar |
| CN201483463U (en) * | 2009-09-03 | 2010-05-26 | 张春明 | Hammer |
| CN204209645U (en) * | 2014-10-17 | 2015-03-18 | 雷诗敏 | Geologic hammer is splashed for the anti-of geological prospecting |
| CN204686826U (en) * | 2015-05-28 | 2015-10-07 | 台州永建建设有限公司 | A kind of combination handle formula iron hammer |
| CN204954769U (en) * | 2015-09-16 | 2016-01-13 | 武汉中南冶勘资源环境工程有限公司 | Prevent splashing detachably matter hammer |
| CN205600643U (en) * | 2016-04-21 | 2016-09-28 | 象山杰尔德智能科技有限公司 | Can prevent to break to pieces hammer that splashes at end |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109596385A (en) * | 2018-12-10 | 2019-04-09 | 贵州大学 | A kind of ROCK MECHANICS RESEARCH rock specimens sampling apparatus |
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