CN110375616A - A kind of anchor pole PORE SIZE APPARATUS FOR - Google Patents
A kind of anchor pole PORE SIZE APPARATUS FOR Download PDFInfo
- Publication number
- CN110375616A CN110375616A CN201910745856.4A CN201910745856A CN110375616A CN 110375616 A CN110375616 A CN 110375616A CN 201910745856 A CN201910745856 A CN 201910745856A CN 110375616 A CN110375616 A CN 110375616A
- Authority
- CN
- China
- Prior art keywords
- push rod
- sleeve pipe
- round tube
- described sleeve
- tube hole
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/08—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters
- G01B5/12—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters internal diameters
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Piles And Underground Anchors (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The invention discloses a kind of anchor pole PORE SIZE APPARATUS FOR, including casing, the mandrel push rod being set to inside described sleeve pipe that is slidably matched, the dial gauge for being fixedly connected on described sleeve pipe upper end and positioned at the measurement clamp of described sleeve pipe lower end；Connection through-hole is provided in the middle part of the measurement clamp, the lower end of described sleeve pipe is provided through the first long round tube hole, the lower end of the mandrel push rod is provided with the second long round tube hole, the connection pin shaft to float up and down is provided through in the first long round tube hole and the second long round tube hole, the mandrel push rod, which is located to also extend through above the described second long round tube hole, is provided with spacer pin；The inside of described sleeve pipe is additionally provided with limited step, and the upper end of the mandrel push rod is cased with spring, and the spring is used for the reset of the mandrel push rod.The present invention changes the mode of operation of existing measuring device, and structure is simple, and production cost is low, improves measurement efficiency and measurement accuracy, operates without both hands, easy to use convenient for observation.
Description
[technical field]
The present invention relates to the technical field of rockbolt installation detection instrument, in particular to a kind of anchor pole PORE SIZE APPARATUS FOR.
[background technique]
Anchor pole is the most basic component part of roadway support in the mine of contemporary underground mining, and the country rock in tunnel is fettered
Together, make country rock itself supporting itself.Present anchor pole is applied not only to mine, is also used in engineering technology, side slope, tunnel
And dam body carries out main body reinforcing.Anchor pole is connect as the tensional element for going deep into stratum, its one end with engineering structure, the other end
Go deep into stratum.Whole anchor pole is divided into free segment and anchoring section, and free segment, which refers to, reaches anchoring body for the pulling force at anchor pole head
Region, function are to apply prestressing force to anchor pole；Anchoring section refers to the region that cement slurry bonds presstressed reinforcing steel and soil layer,
Function is to increase the bonding rubbing action of anchoring body and soil layer, increases the pressure-bearing effect of anchoring body, the pulling force of free segment is passed
To soil body depths.
Under the biggish operating condition of use intensity, anchor pole generally requires to be mounted in the rockbolt installation hole such as Fig. 1, in anchor pole anchor
Gu reinjecting mud after the inflated fixation of section, improving the bearing capacity of anchor pole.But before rockbolt installation, need with measurement
The diameter in apparatus measures rockbolt installation hole, to ensure that anchor rod anchored section has enough expansion spaces.Existing detection device uses
Synchronous expansion constriction device (as shown in Figure 2) up and down, the lower end of its detection device is inserted into rockbolt installation hole, then presses lower button
03, upper flange 04 is synchronous with lower wing plate 05 to be opened, using the distance of 04 liang of lateral surface of vernier caliper measurement upper flange, namely measurement
The internal diameter in rockbolt installation hole out.But the measurement method efficiency is lower, and measurement accuracy is poor, and need a hand to be affectedly bashful detection device,
Another hand is affectedly bashful vernier caliper, and it is extremely inconvenient to operate with.For the technical problem, also have part of the manufacturer made research and
Exploitation, but its structure is complicated, manufacturing cost is high, need further to study.
[summary of the invention]
In view of this, in order to overcome the deficiencies of the prior art, the present invention provides a kind of anchor pole PORE SIZE APPARATUS FOR, by developing a kind of coordinated type
PORE SIZE APPARATUS FOR, that it changes the modes of operation of existing measuring device, and structure is simple, and production cost is low, improve measurement efficiency and
Measurement accuracy, it is easy for operation.
To achieve the above object, technical scheme is as follows:
A kind of anchor pole PORE SIZE APPARATUS FOR including casing, slides up and down the mandrel push rod being equipped with inside described sleeve pipe, is fixedly connected
It is in intersect symmetrically arranged two measurements clamp in the dial gauge of described sleeve pipe upper end and positioned at described sleeve pipe lower end, described hundred
The upper surface for dividing the measurement end of table to be mutually butted on the mandrel push rod.The mandrel push rod is under the effect of external force along described sleeve pipe
Axial direction sliding is realized that the rising of the measurement clamp is shunk and is unfolded with decline；The dial gauge is for measuring the mandrel
The mobile displacement of push rod, the measurement clamp are used to measure the diameter in rockbolt installation hole.
Connection through-hole is provided in the middle part of the measurement clamp, one end that described sleeve pipe is located at the measurement clamp, which is run through, to be set
It is equipped with the first long round tube hole, one end that the mandrel push rod is located at the measurement clamp is provided with the second long round tube hole, and described the
The connection pin shaft to float up and down is provided through in one long round tube hole and the second long round tube hole, the measurement clamp pass through institute
State the lower end that connection pin shaft is articulated with the mandrel push rod；The top that the mandrel push rod is located at the described second long round tube hole is also passed through
It wears and is equipped with spacer pin, and the spacer pin is located at the upper end that the measurement clamp are formed by X-type prong, the measurement clamp
The lower end for being formed by X-type prong is located at the outside of described sleeve pipe.
The inside of described sleeve pipe is additionally provided with limited step, and the upper end of the mandrel push rod is cased with spring, and the spring
One end be mutually butted on the limited step, the other end of the spring is mutually butted on the boss of the mandrel push rod, and the spring is used
In the reset of the mandrel push rod, it is ensured that in off working state, the measurement clamp bounce back to described sleeve pipe in gathering shape
It is interior.
Preferably, being provided with the long round tube hole of third in the middle part of described sleeve pipe, the length of the long round tube hole of third is greater than institute
State the length of the first long round tube hole；It is provided with threaded hole in the middle part of the mandrel push rod, a promotion is connected in the threaded hole
Button, and the promoting button runs through the long round tube hole of the third, the promoting button moves in the long round tube hole of the third,
And the mandrel push rod is driven to slide in described sleeve pipe.
Further, the upper end inside described sleeve pipe is fixed with bushing, and the one side screw-in of the bushing has holding screw,
The dial gauge is fixed in the bushing by the holding screw, and the material of the bushing is brass, effectively reduces institute
State scratch of the bushing to the dial gauge.
Further, the measurement stroke of the dial gauge is 10-50mm, and the dial gauge of small-range is smaller for measuring diameter
Rockbolt installation hole, the dial gauge of wide range is for measuring the rockbolt installation hole being relatively large in diameter.
The structural principle of the invention patent is: by pushing the promoting button, the promoting button drives the mandrel
Push rod slide downward in described sleeve pipe, after the promoting button is pushed to certain distance, the connection pin shaft offsets in institute
The lower end of the first long round tube hole is stated, the connection pin shaft is in lower position at this time, and is fixed；Continue to press on it is described push by
Button, the mandrel push rod continue sliding (because of the presence of the described second long round tube hole, the connection pin shaft and described second oval
Through-hole is opposite to be slided), the spacer pin is mutually butted on the upper surface that the measurement clamp are formed by X-type prong, the at this time survey
Amount clamp are formed by X-type prong and are gradually opened, and being used for the measurement of rockbolt installation hole maximum gauge, (namely position is sentenced
It is disconnected), at the same time, corresponding scale value can be shown on the dial gauge.
After measurement, unclamp the promoting button, the mandrel push rod resetted under the active force of the spring (on
Rise), during the mandrel push rod resets, the spacer pin described first is far from the measurement clamp (namely the spacer pin
Rise), then (distance that the spacer pin rises is greater than the connection pin shaft for the connection pin shaft and the measurement clamp reset
The distance risen with the measurement clamp), during the measurement clamp reset, the lateral surface of the measurement clamp offsets
In the inner wall of described sleeve pipe, the measurement clamp are retracted, convenient for taking out from rockbolt installation hole.
The beneficial effects of the present invention are: being changed by the linkage (rise to shrink and be unfolded with decline) of the measurement clamp
The mode of operation of existing measuring device, structure is simple, and production cost is low, improves measurement efficiency and measurement accuracy, without double
Hand operation, it is easy to use.
[Detailed description of the invention]
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to embodiment or existing skill
Attached drawing needed in art description is briefly described, it should be apparent that, the accompanying drawings in the following description is only the present invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the structural schematic diagram of rockbolt installation state；
Fig. 2 is the detection device in existing rockbolt installation hole；
Fig. 3 is the schematic perspective view of the invention patent；
Fig. 4 is the structural schematic diagram that measurement clamp are in decline unfolded state in the invention patent；
Fig. 5 is the structural schematic diagram that measurement clamp present liter contraction state in the invention patent；
Fig. 6 is the structural schematic diagram of the invention patent middle sleeve；
Fig. 7 is the structural schematic diagram of mandrel push rod in the invention patent；
Fig. 8 is the structural schematic diagram that clamp are measured in the invention patent；
Fig. 9 is the use state diagram of the invention patent.
In figure, 01, rockbolt installation hole, 02, anchor pole, 03, button, 04, upper flange, 05, lower wing plate, 1, casing, 2, mandrel
Push rod, 3, dial gauge, 4, measurement clamp, 5, connection through-hole, the 6, first long round tube hole, the 7, second long round tube hole, 8, connection pin shaft,
9, inner groovy, 10, spacer pin, 11, limited step, 12, spring, 13, boss, 14, the long round tube hole of third, 15, threaded hole, 16,
Promoting button, 17, bushing, 18, holding screw.
[specific embodiment]
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 clearly and completely
Description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
Referring to Fig. 3 to Fig. 9, a kind of anchor pole PORE SIZE APPARATUS FOR, including casing 1, slide up and down and be equipped with inside described sleeve pipe 1
Mandrel push rod 2, be fixedly connected on 1 upper end of described sleeve pipe dial gauge 3 and be located at 1 lower end of described sleeve pipe it is cross-shaped and right
Claim two measurement clamp 4 of setting, the measurement end of the dial gauge 3 is mutually butted on the upper surface of the mandrel push rod 2.The mandrel
Push rod 2 is slided along the axial direction of described sleeve pipe 1 under the effect of external force, to realize that the rising of the measurement clamp 4 is shunk
It is unfolded with decline；And the dial gauge 3 is then used to measure the mobile displacement of the mandrel push rod 2, the measurement clamp 4 are used for
Measure the diameter of 01 lower end of rockbolt installation hole.
Referring to Fig. 3 to Fig. 8, the middle part of the measurement clamp 4 is provided with connection through-hole 5, and the lower end of described sleeve pipe 1, which is run through, to be set
It is equipped with the first long round tube hole 6, the lower end of the mandrel push rod 2 is provided with the second long round tube hole 7, first long 6 He of round tube hole
The connection pin shaft 8 to float up and down is provided through in the second long round tube hole 7, the measurement clamp 4 pass through the connecting pin
Axis 8 is articulated in the inner groovy 9 of 2 lower end of mandrel push rod；The mandrel push rod 2 is located at the upper of the described second long round tube hole 7
Side, which also extends through, is provided with spacer pin 10, and the spacer pin 10 is located at the upper end that the measurement clamp 4 are formed by X-type prong,
It provides power needed for the 4 expansion process of measurement clamp, and the measurement clamp 4 are formed by the lower end of X-type prong
Positioned at the outside of described sleeve pipe, it is used to measure the diameter of 01 lower end of rockbolt installation hole.
Referring to Fig. 3 to Fig. 5, the inside of described sleeve pipe 1 is additionally provided with limited step 11, the upper end cap of the mandrel push rod 2
There is spring 12, and one end of the spring 12 is mutually butted on the limited step 11, the other end of the spring 12 is mutually butted on described
The boss 13 of mandrel push rod 2 is used for the reset of the mandrel push rod 2, it is ensured that in off working state, the measurement clamp 4 are in
Shape is collapsed, and is bounced back in described sleeve pipe 1.
Referring to Fig. 3, Fig. 6 and Fig. 7, the middle part of described sleeve pipe 1 is provided with the long round tube hole 14 of third, the long round tube hole of third
14 length is greater than the length of the described first long round tube hole 6；The middle part of the mandrel push rod 2 is provided with threaded hole 15, the spiral shell
A promoting button 16 is connected in pit 15, and the promoting button 16 runs through the long round tube hole 14 of the third, the promotion is pressed
Button 16 moves in the long round tube hole 14 of the third, and the mandrel push rod 2 is driven to slide in described sleeve pipe 1.
Referring to Fig. 3 to Fig. 5, the upper end inside described sleeve pipe 1 is fixed with bushing 17, and the one side screw-in of the bushing 17 has
Holding screw 18, the dial gauge 3 are fixed in the bushing 17 by the holding screw 18, and the material of the bushing 17 is
Brass effectively reduces scratch of the bushing 17 to the dial gauge 3.
Referring to Fig. 3 to Fig. 5, the measurement stroke of the dial gauge 3 is 30mm, and being used for bolt diameter is corresponding to 25mm
The measurement of rockbolt installation bore dia.
Steps are as follows for the use of anchor pole PORE SIZE APPARATUS FOR in the invention patent:
S1: anchor pole PORE SIZE APPARATUS FOR compatible with rockbolt installation hole 01 is selected (to be illustrated so that diameter is the anchor pole of 24mm as an example: straight
The diameter of 01 upper end of rockbolt installation hole corresponding to the anchor pole that diameter is 24mm is 25mm, and the diameter of lower end need to be greater than 42mm, anchor pole
It is 23.5mm that clamp 4 are measured in PORE SIZE APPARATUS FOR in maximum gauge when rising contraction state)；
S2: calibration pushes the promoting button 16, makes to measure clamp 4 in decline unfolded state, surveys described in vernier caliper measurement
The maximum distance measured the maximum distance of 4 liang of lateral surfaces of clamp, and record measurement 4 liang of lateral surfaces of clamp dial gauge when being 42mm
Scale value corresponding to 3；
S3: detection will measure clamp 4 in the anchor pole PORE SIZE APPARATUS FOR insertion rockbolt installation hole 01 for rising contraction state, push at this time
The promoting button 16, the promoting button 16 drive the mandrel push rod 2 slide downward in described sleeve pipe 1, push away when described
After dynamic button 16 is pushed to certain distance, connection 8 phase of pin shaft is butted on the lower end of the described first long round tube hole 6, described at this time
Connection pin shaft 8 is in the lower position (as shown in Figure 4) of the first long round tube hole 6, and connection pin shaft 8 is fixed；It continues to press on described
Promoting button 16, the mandrel push rod 2 continue sliding (because of the presence of the described second long round tube hole 7,8 He of connection pin shaft
The opposite sliding of the second long round tube hole 7), 10 phase of spacer pin is butted on the measurement clamp 4 and is formed by X-type prong at this time
Upper surface, the measurement clamp 4 are formed by X-type prong and are gradually opened at this time, when measurement clamp 4 two lateral surfaces offset
When 01 maximum gauge of rockbolt installation hole (as shown in Figure 9), the corresponding scale value of dial gauge 3 is read, and by the corresponding scale
Value compared with the scale value demarcated in S2, for judge whether the maximum gauge of 01 lower end of rockbolt installation hole meets the requirements (
I.e. whether more than 42mm).
S4: anchor pole PORE SIZE APPARATUS FOR is taken out, the promoting button 16, effect of the mandrel push rod 2 in the spring 12 are unclamped
Reset (risings) under power, during the mandrel push rod 2 reset, the spacer pin 10 far from the measurement clamp 4(namely
The spacer pin 10 rises)；Meanwhile the connection pin shaft 8 and the measurement clamp 4 reset, and reset in the measurement clamp 4
In the process, the lateral surface of the measurement clamp 4 is mutually butted on the inner wall (as shown in Figure 5) of described sleeve pipe 1,4 quilt of measurement clamp
It shrinks, convenient for being taken out from rockbolt installation hole 01.
When detecting the rockbolt installation hole of same size, two steps of above-mentioned S3 and S4 need to be only repeated.
The present invention will rise by cleverly designing and realize and link that it changes existing measurements with expansion with contraction, decline
The mode of operation of device, structure is simple, and production cost is low, improves measurement efficiency and measurement accuracy, operates, is convenient for without both hands
Observation, it is easy to use.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (4)
1. a kind of anchor pole PORE SIZE APPARATUS FOR, which is characterized in that including casing, slide up and down the mandrel being equipped with inside described sleeve pipe
Push rod, the dial gauge for being fixedly connected on described sleeve pipe upper end and be located at described sleeve pipe lower end in intersect it is symmetrically arranged two survey
Clamp are measured, the measurement end of the dial gauge is mutually butted on the upper surface of the mandrel push rod, moves described in the mandrel push rod realization
The rising for measuring clamp is shunk to be unfolded with decline；
Connection through-hole is provided in the middle part of the measurement clamp, one end that described sleeve pipe is located at the measurement clamp is provided through
First long round tube hole, one end that the mandrel push rod is located at the measurement clamp are provided with the second long round tube hole, and described first is long
The connection pin shaft to float up and down is provided through in round tube hole and the second long round tube hole, the measurement clamp pass through the company
Outbound axis is articulated with the lower end of the mandrel push rod；The mandrel push rod, which is located above the described second long round tube hole, to be additionally provided with
Spacer pin, and the spacer pin is located at the upper end that the measurement clamp are formed by X-type prong, the measurement clamp are formed by
The lower end of X-type prong is located at the outside of described sleeve pipe；
The inside of described sleeve pipe is additionally provided with limited step, and the upper end of the mandrel push rod is cased with spring, and the one of the spring
End is mutually butted on the limited step, and the other end of the spring is mutually butted on the boss of the mandrel push rod.
2. a kind of anchor pole PORE SIZE APPARATUS FOR as described in claim 1, which is characterized in that it is oval to be provided with third in the middle part of described sleeve pipe
Through-hole, the length of the long round tube hole of third are greater than the length of the described first long round tube hole；The middle part of the mandrel push rod is arranged
There is threaded hole, a promoting button is connected in the threaded hole, and the promoting button runs through the long round tube hole of the third.
3. a kind of anchor pole PORE SIZE APPARATUS FOR as described in claim 1, which is characterized in that the upper end inside described sleeve pipe is fixed with lining
Set, the mounting portion of the dial gauge are fixed in the bushing.
4. a kind of anchor pole PORE SIZE APPARATUS FOR as described in claim 1, which is characterized in that the measurement stroke of the dial gauge is 10-
50mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910745856.4A CN110375616B (en) | 2019-08-13 | 2019-08-13 | Anchor rod hole measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910745856.4A CN110375616B (en) | 2019-08-13 | 2019-08-13 | Anchor rod hole measuring instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110375616A true CN110375616A (en) | 2019-10-25 |
| CN110375616B CN110375616B (en) | 2021-03-12 |
Family
ID=68259257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910745856.4A Active CN110375616B (en) | 2019-08-13 | 2019-08-13 | Anchor rod hole measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110375616B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61142401A (en) * | 1984-12-17 | 1986-06-30 | Hitachi Ltd | Bore diameter measuring instrument of boring machine |
| CN2653433Y (en) * | 2003-07-30 | 2004-11-03 | 武汉武大巨成加固实业有限公司 | Concrete conic hole bottom diameter measurer |
| CN201326414Y (en) * | 2008-12-17 | 2009-10-14 | 郁红波 | Inner diameter measuring device for deep hole after whole expanding |
| CN201440063U (en) * | 2009-08-13 | 2010-04-21 | 中冶建筑研究总院有限公司 | Aperture measuring device for anchor hole and pile hole |
| CN102506632A (en) * | 2011-10-22 | 2012-06-20 | 中信戴卡轮毂制造股份有限公司 | Device for measuring taper hole |
| CN202757564U (en) * | 2012-07-29 | 2013-02-27 | 中国石油化工股份有限公司 | Umbrella-shaped inside caliper |
| CN202788805U (en) * | 2012-09-19 | 2013-03-13 | 苏州建鑫建设集团有限公司 | Underground deep hole detection device |
| CN204532342U (en) * | 2014-12-31 | 2015-08-05 | 中国石油天然气股份有限公司 | Hole diameter logging instrument |
| CN204831122U (en) * | 2015-05-18 | 2015-12-02 | 周晓霞 | Inside diameter measurement instrument |
| CN107167057A (en) * | 2017-07-10 | 2017-09-15 | 柳州铁道职业技术学院 | A kind of portable bore inner diameter detection instrument |
| CN207317696U (en) * | 2017-11-10 | 2018-05-04 | 重庆水泵厂有限责任公司 | A kind of deep hole internal diameter measuring device |
-
2019
- 2019-08-13 CN CN201910745856.4A patent/CN110375616B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61142401A (en) * | 1984-12-17 | 1986-06-30 | Hitachi Ltd | Bore diameter measuring instrument of boring machine |
| CN2653433Y (en) * | 2003-07-30 | 2004-11-03 | 武汉武大巨成加固实业有限公司 | Concrete conic hole bottom diameter measurer |
| CN201326414Y (en) * | 2008-12-17 | 2009-10-14 | 郁红波 | Inner diameter measuring device for deep hole after whole expanding |
| CN201440063U (en) * | 2009-08-13 | 2010-04-21 | 中冶建筑研究总院有限公司 | Aperture measuring device for anchor hole and pile hole |
| CN102506632A (en) * | 2011-10-22 | 2012-06-20 | 中信戴卡轮毂制造股份有限公司 | Device for measuring taper hole |
| CN202757564U (en) * | 2012-07-29 | 2013-02-27 | 中国石油化工股份有限公司 | Umbrella-shaped inside caliper |
| CN202788805U (en) * | 2012-09-19 | 2013-03-13 | 苏州建鑫建设集团有限公司 | Underground deep hole detection device |
| CN204532342U (en) * | 2014-12-31 | 2015-08-05 | 中国石油天然气股份有限公司 | Hole diameter logging instrument |
| CN204831122U (en) * | 2015-05-18 | 2015-12-02 | 周晓霞 | Inside diameter measurement instrument |
| CN107167057A (en) * | 2017-07-10 | 2017-09-15 | 柳州铁道职业技术学院 | A kind of portable bore inner diameter detection instrument |
| CN207317696U (en) * | 2017-11-10 | 2018-05-04 | 重庆水泵厂有限责任公司 | A kind of deep hole internal diameter measuring device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110375616B (en) | 2021-03-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101294489B (en) | Device for detecting stress and displacement of underground pipe column | |
| CN103983521B (en) | A kind of anchoring performance testing device | |
| CN205808308U (en) | A kind of device of quick detection tunnel surrounding internal displacement | |
| CN105507876B (en) | Integrated apparatus surveyed by a kind of brill based on stress relief method | |
| CN104034585A (en) | Method for measuring property of anchoring | |
| CN110375616A (en) | A kind of anchor pole PORE SIZE APPARATUS FOR | |
| CN205103100U (en) | HTHP well cementation cement ring integrality simulation evaluation test appearance | |
| CN204924504U (en) | Division testing arrangement is separated to deep crustal stress part | |
| CN201396092Y (en) | Core orienting device | |
| CN204575041U (en) | A kind of anchor cable formula instrument of roof separation | |
| CN212964395U (en) | Mining anchor rod tension meter | |
| CN201000324Y (en) | Casing tube type drilling multi-point extensometer | |
| CN204457739U (en) | Water injection well tubular column atress testing arrangement | |
| CN218097930U (en) | Water level probe for measuring underground water level | |
| CN201149491Y (en) | Displacement gage anchorage head for monitoring rock mass displacement | |
| CN2653433Y (en) | Concrete conic hole bottom diameter measurer | |
| CN2196289Y (en) | Piston type multi-point extensometer | |
| CN102278975A (en) | Non-contact soft soil large deformation displacement meter | |
| CN107461190B (en) | Mining gauge head telescopic coal body aperture measuring device | |
| CN207315365U (en) | Mining measuring head telescopic coal body aperture measuring device | |
| CN205955721U (en) | Giant magnetostrictive drilling variable-mode measuring probe | |
| CN202731895U (en) | Plate spring storage type hole diameter logger | |
| CN208282771U (en) | A kind of mechanical swelling type hole wall deformation sensor for drilling | |
| CN200989770Y (en) | Sleeve type hole drilling multipoint extension meter | |
| CN105066926A (en) | Anchoring device of drill hole multi-point displacement meter |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |