CN207516190U - A kind of concrete reisilometer - Google Patents
A kind of concrete reisilometer Download PDFInfo
- Publication number
- CN207516190U CN207516190U CN201721301592.6U CN201721301592U CN207516190U CN 207516190 U CN207516190 U CN 207516190U CN 201721301592 U CN201721301592 U CN 201721301592U CN 207516190 U CN207516190 U CN 207516190U
- Authority
- CN
- China
- Prior art keywords
- reisilometer
- test surfaces
- accommodating cavity
- main body
- fixing 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.)
- Expired - Fee Related
Links
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model is related to concrete test device fields,Disclose a kind of concrete reisilometer,Its axis perpendicular alignmnet test surfaces of manual calibration are needed when solving existing reisilometer test,Alignment result inaccurately causes test result the problem of error occur,Its key points of the technical solution are that a kind of concrete reisilometer,Concrete reisilometer is abutted with test surfaces,Including reisilometer main body and auxiliary device,Reisilometer main body includes housing and the elastic stem being accommodated in housing,Elastic stem can be stretched out towards test surfaces and be abutted with it,Auxiliary device includes fixing sleeve fixed with reisilometer body outer surface and the support element abutted with test surfaces,Support element is provided with the accommodating cavity being inserted into for fixing sleeve,The axis perpendicular test surfaces of accommodating cavity,Accommodating cavity is provided with the opening passed through for elastic stem towards test surfaces,The guide frame that bootable reisilometer main body is moved along accommodating cavity axis is additionally provided between fixing sleeve and support element,Achieve the purpose that ensure reisilometer main body axis vertical checkout face.
Description
Technical field
The utility model is related to concrete test device field, more particularly to a kind of concrete reisilometer.
Background technology
Existing reisilometer such as notification number is the Chinese patent " 4.5J high strength concrete resiliometers " of CN204679359U,
A kind of reisilometer is disclosed, in telescopic elastic stem and elastic stem are slidably connected at housing, instrument shell front end body front port
Heart guide rod, the elastic hammer slided on centre pilot, the elastic tension spring of elastic hammer front end connection, elastic hammer rear end are led by center
The guide flange and hook of bar connection, the button for being fixed temporarily guide flange can simultaneously be slided positioned at elastic hammer side on needle pivot
Dynamic indicator slide block, above-mentioned housing are formed by connecting by body after shell precursor and shell, and elastic tension spring is moved in the release of unhook position and band
Hammer hits elastic stem, indicator slide block is driven to slide after elastic hammer rebound, obtains the rebound value of single test.
Existing reisilometer application method：In rebound value detection process, the axis of reisilometer should be made perpendicular to concreting
Direction side simultaneously keeps horizontal, and 16 points of the attack in each survey area, measuring point is preferably evenly arranged in coverage of survey area, but must not be arranged
On stomata or exposed stone, the spacing of adjacent two measuring point is not preferably less than 30mm；Measuring point is away from Member Lip or exposed steel bar, pre-buried
The distance of part is no less than 50mm, and same observation station only allows attack primary, finally surveys the 16 of rebound typical value Ying Conggaice areas of area
3 higher values are rejected in a rebound value and 3 smaller values, remaining 10 effective rebound values take its average value.
By its application method and structure it is found that existing reisilometer by artificial experience alignment disadvantage is that only made
The axis of reisilometer is perpendicular to concreting direction side and keeps horizontal, and alignment result is poor, and axis inclination then causes to miss
Difference so that rebound value fluctuation is big, and gained test result error is big.
Utility model content
The purpose of this utility model is to provide a kind of concrete reisilometer, including auxiliary device, has assisted calibration reisilometer
The function in axis vertical checkout face.
The above-mentioned technical purpose of the utility model technical scheme is that：
A kind of concrete reisilometer, concrete reisilometer are abutted with a test surfaces, including reisilometer main body and auxiliary device, the rebound
Instrument main body includes housing and the elastic stem being accommodated in housing, and the elastic stem can stretch out and abutted with it, institute towards test surfaces
It states auxiliary device to include being arranged and be fixed on the fixing sleeve of reisilometer body outer surface and the support element abutted with test surfaces, institute
It states support element and is provided with the accommodating cavity being inserted into for fixing sleeve, the axis perpendicular test surfaces of the accommodating cavity, the accommodating cavity court
The opening passed through for elastic stem is provided with to test surfaces, bootable reisilometer main body is additionally provided between the fixing sleeve and support element
The guide frame moved along accommodating cavity axis.
By using above-mentioned technical proposal, support element is connected on test surfaces, then the reisilometer main body that will be cased with fixing sleeve
The push-in and to top pressure test surfaces into accommodating cavity carries out elastic stem with top pressure and abuts test surfaces and be gradually pushed back in housing, this
Guide frame guiding reisilometer main body is moved along accommodating cavity axis in the process, keeps the vertical checkout always of reisilometer main body axis
Face avoids elastic stem inclination that test result is caused error occur.
Preferably, fixture block is provided on the fixing sleeve inner wall, the housing is with the card slot that can be clamped with fixture block.
By using above-mentioned technical proposal, fixture block is clamped with card slot, and fixing sleeve is mutually fixed with housing, prevents reisilometer from using
Axial or circumferential movement occurs for fixing sleeve and housing in the process.
Preferably, the guide frame includes being arranged on the external screw thread on the outside of fixing sleeve and being arranged in accommodating cavity
The internal thread of circumferential surface, the external screw thread and internal thread matching, and the external screw thread and elastic stem are coaxial.
By using above-mentioned technology, after the reisilometer main body for being cased with fixing sleeve is inserted into accommodating cavity, rotary elastic instrument main body
Fixing sleeve is driven, internal thread is engaged with external screw thread is corrected the axial location of reisilometer main body, makes reisilometer main body along appearance
Put cavity axis attack rod axis and accommodating cavity axis keeping parallelism into test surfaces moving process.
Preferably, the sliding slot of parallel accommodating cavity axis is provided on the accommodating cavity inner peripheral surface, the sliding slot is by two
Parallel raised line composition, the fixing sleeve outside are provided with the sliding block in pluggable sliding slot, and the sliding block skids off sliding slot towards survey
During the one end in examination face, the external screw thread is abutted with internal thread.
By using above-mentioned technical proposal, when being cased in the reisilometer main body insertion accommodating cavity of fixing sleeve, sliding block is in sliding slot
Interior slip positions fixing sleeve direction of insertion, and fixing sleeve inclination is prevented to be not easy to internal thread and external screw thread engagement.
Preferably, the reisilometer main body includes the graduated scale on housing, fixing sleeve side and support element side
Face has the registration mouth one that can be aligned with graduated scale and registration mouth two.
By using above-mentioned technical proposal, when reisilometer tests test surfaces, registration mouth one and registration can be passed through
Mouth two is directed at graduated scales and carries out readings acquisition rebound values.
Preferably, the reisilometer main body includes the graduated scale on housing, and the support element and fixing sleeve are
Transparent material.
By using above-mentioned technical proposal, to support element can be directed through during reisilometer main body reading and fixing sleeve is read
Number avoids the opening on support element and fixing sleeve from making graduated scale exposed and wear or corroded.
Preferably, the accommodating cavity is annular in shape towards test surfaces one end, and its end can support patch with test surfaces.
By using above-mentioned technical proposal, it is included in accommodating cavity at the abutting of the elastic stem and test surfaces, avoids back
Dust when instrument main body tests test surfaces attack is played to raise or shake off, especially at the bottom surface of test detection concreting, energy
Enough prevent dust from falling on the body of user.
Preferably, the auxiliary device further includes the abutment ring in parallel testing face, and the abutment ring setting can ammunition feed
Hit the attack hole that bar passes through, and the abutment ring can be towards connecting backwards to the side of test surfaces and support element.
By using above-mentioned technical proposal, abutment ring is directly abutted with test surfaces, can be occurred using abutment ring with reisilometer
Abrasion so that abutment ring is towards a facial disfigurement of phase test surfaces, it is impossible to be bonded test surfaces well, can be kept by replacing abutment ring
Accommodating cavity axis vertical checkout face, support element are reusable.
Preferably, the abutment ring is towards being provided with friction lines in the one side of test surfaces.
By using above-mentioned technical proposal, the state of abutment ring towards friction lines in the one side of test surfaces can reflect abutting
The abrasion condition of ring reminds user to replace abutment ring.
In conclusion the utility model has the advantages that：
1. in the rebound value detection process to concrete, the one end of support element with abutment ring is connected on test surfaces,
Make the axis vertical checkout face of accommodating cavity, then the sliding block being cased on fixing sleeve is respectively aligned to sliding slot, proficiency securing supports, one
Hand push top reisilometer main body makes reisilometer and fixing sleeve be pushed into accommodating cavity, until external screw thread and interior spiral shell offset, rotary elastic instrument
Main body drives fixing sleeve that external screw thread and internal thread is made to engage to be corrected the axial location of reisilometer main body, ensures rebound
Instrument main body axis vertical checkout face avoids elastic stem inclination from making test result is caused error occur；
2. abutment ring is directly abutted with test surfaces, it can be worn using abutment ring with reisilometer so that abutment ring is towards phase
One facial disfigurement of test surfaces, it is impossible to be bonded test surfaces well, accommodating cavity axis vertical checkout can be kept by replacing abutment ring
Face, support element is reusable, while the state of abutment ring towards friction lines in the one side of test surfaces can reflect abutment ring
Abrasion condition reminds user to replace abutment ring.
Description of the drawings
Fig. 1 is the configuration schematic diagram of reisilometer in embodiment one；
Fig. 2 is the structure diagram of reisilometer main body in embodiment one；
Fig. 3 is partial enlarged views of the Fig. 2 at A；
Fig. 4 is the structure diagram of fixing sleeve in embodiment one；
Fig. 5 is support element and the structure diagram of abutment ring in embodiment one；
Fig. 6 is the sectional view one of reisilometer in embodiment one；
Fig. 7 is the sectional view two of reisilometer in embodiment one；
Fig. 8 is partial enlarged views of the Fig. 7 at B；
Fig. 9 is the sectional view three of reisilometer in embodiment one；
Figure 10 is the structure diagram of reisilometer in embodiment two.
Reference numeral：1st, reisilometer main body；11st, housing；111st, chamber；112nd, storage tank；113rd, card slot；12nd, rear cover；
121st, adjusting screw；13rd, attack compression spring；14th, guide flange；141st, it links up with；15th, elastic hammer；151st, card convex；16th, elastic tension spring；
17th, centre pilot；18th, elastic stem；19th, graduated scale；191st, indicator slide block；2nd, auxiliary device；21st, fixing sleeve；211st, mantle cavity；
212nd, fixture block；213rd, registration mouth one；214th, sliding block；22nd, support element；221st, accommodating cavity；222nd, bulge loop；223rd, sliding slot；2231st, it is convex
Item；224th, registration mouth two；23rd, abutment ring；231st, attack hole；232nd, rub lines；24th, guide frame；241st, external screw thread；242、
Internal thread；3rd, test surfaces.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment one,
As shown in Figure 1, a kind of concrete reisilometer, including reisilometer main body 1 and auxiliary device 2, middle auxiliary device 2 includes
The fixing sleeve 21 that is sleeved on outside reisilometer main body 1, the support element 22 being inserted into for fixing sleeve 21 and supporting mounted on 22 one end of support element
Connect ring 23.
As shown in attached drawing 2 and attached drawing 3, reisilometer main body 1 is mechanical reisilometer, and structure is only done herein for the prior art
Simple description.Reisilometer main body 1 includes the housing 11 of tubular, and chamber 111 is carried in housing 11, its parallel axial direction of chamber 111
One side opening, and be open to have and be closed by being connected to the rear cover 12 of 11 one end of housing.
It is equipped with the attack compression spring 13 mutually compressed successively towards the other end of housing 11 from rear cover 12 in chamber 111, leads
To flange 14, elastic hammer 15 and elastic tension spring 16.The bottom of chamber 111 is additionally provided with columnar storage tank 112, elastic tension spring 16
Both ends are connected to the bottom of storage tank 112 and one end of elastic hammer 15.
Elastic hammer 15 and the notch of storage tank 112 abut against, and elastic hammer 15 runs through along its axle center centre pilot 17, center
17 one end vertical connection guide flange 14 of guide rod, the other end are fixed with the elastic stem 18 coaxial with centre pilot 17, elastic stem
18 outside storage tank 112 and stretching housing 11.
One end of elastic hammer 15 towards guide flange 14 is provided with the card convex 151 of annular, is installed with and can live on guide flange 14
Dynamic hook 141, rear cover 12 are provided with the adjusting screw 121 that can be abutted against with hook 141, while housing towards guide flange 14
Also embedded with graduated scale 19 on 11, graduated scale 19 is connected with indicator slide block 191 towards the side in chamber 111, and indicator slide block 191 can
It offsets with one end of elastic hammer 15 towards guide flange 14.Referring to attached drawing 7 and attached drawing 9, when elastic stem 18 is pressurized constantly to chamber
It is pushed back in 111, elastic stem 18, which first pushes elastic hammer 15, makes it support hook 141, card convex 151 is forced to be caught in hook 141, then
It is pushed further into elastic stem 18, attack compression spring 13 continues to be pressurized and 16 stretcher strain of elastic tension spring, until hook 141 and adjusting spiral shell
Nail 121, which offsets, to rotate so as to discharge card convex 151, and elastic tension spring 16 drives elastic hammer 15 to hit elastic stem 18, after shock
Elastic hammer 15 springs back and drives the registration on graduated scale 19 of indicator slide block 191, obtains the rebound value of single.Meanwhile housing 11
Card slot 113 is additionally provided on peripheral surface.
As shown in Figure 4, fixing sleeve 21 is close with housing 11 for shape, is arranged inside and is put into for reisilometer main body 1
And the mantle cavity 211 being bonded with 11 lateral surface of housing, and the fixture block 212 that can be clamped with 113 phase of card slot is equipped in mantle cavity 211, work as card
Block 212 and card slot 113 are clamped, and reisilometer main body 1 is fixed in mantle cavity 211.Two are set on 21 peripheral surface of fixing sleeve about solid
Surely the sliding block 214 in 21 axle center is covered, and fixing sleeve 21 is provided between two sliding blocks 214 along the axial setting of fixing sleeve 21 and can be with quarter
The registration mouth 1 that degree ruler 19 aligns.While the peripheral surface of fixing sleeve 21 is provided with below registration mouth 1 and elastic stem
18 coaxial external screw threads 241.
As shown in Figure 5, support element 22 is tubular, is arranged inside the accommodating cavity 221 being coaxial therewith, the two of accommodating cavity 221
End is open, and bulge loop 222 is equipped on the inner peripheral surface of accommodating cavity 221, is provided on the inner peripheral surface of bulge loop 222 and accommodating cavity
221 coaxial internal threads 242, and internal thread 242 is matched with external screw thread 241.Internal thread 242 and external screw thread 241（Referring to attached drawing 8）
Guide frame 24 is formed, when internal thread 242 and the engagement of external screw thread 241, fixing sleeve 21 and 221 axis of accommodating cavity overlap, and pass through
Carrying out rotation fixing sleeve 21 can move axially along support element 22.Twice are additionally provided on the inner peripheral surface of accommodating cavity 221 about accommodating
The symmetrical sliding slot 223 in 221 axle center of chamber, sliding slot 223 are made of the raised line 2231 of two parallel 221 axis of accommodating cavity.Support element simultaneously
It is provided on 22 and prolongs its registration mouth 2 224 axially set, registration mouth 2 224 can be aligned with registration mouth 1.
23 center of abutment ring is equipped with the attack hole 231 passed through for elastic stem 18, towards one side and the branch of support element 22
The end of support member 22 can be such as clamped, be bolted depending on actual conditions by being detachably connected fixation, connection mode
Deng preferred herein to be threadedly coupled.Abutment ring 23 is provided with the friction for reflecting abrasion condition in the one side of support element 22
Lines 232, the figure for the lines 232 that rubs can be depending on actual conditions, such as strip, curl are used herein as netted rub
Wipe lines 232.
The use process of the present embodiment one：
Referring to attached drawing 6, in the rebound value detection process to concrete, the one end of support element 22 with abutment ring 23 compresses
On the test surfaces 3 after smooth so that the axis vertical checkout face 3 of support element 22 will be cased with the reisilometer main body 1 of fixing sleeve 21
On two sliding blocks 214 be respectively aligned to slideway, proficiency securing supports 22, proficiency ejection rear cover 12 makes reisilometer main body 1 be inserted into branch
Interior simultaneously 3 top pressure of phase test surfaces of support member 22；
Referring to attached drawing 7 and attached drawing 8, carry out elastic stem 18 with top pressure and be gradually pushed into chamber 111, until 241 He of external screw thread
Bulge loop 222 offsets, and rotary elastic instrument main body 1 coordinates external screw thread 241 and internal thread 242, internal thread 242 and outer in engagement process
The axial direction of the fixed reisilometer main body 1 of the engagement of screw thread 241, ensures 1 axis vertical checkout face 3 of reisilometer main body；
Referring to attached drawing 9, when internal thread 242 and fully mated external screw thread 241,121 top pressure of adjusting screw hook 141 makes bullet
The release of hammer 15 is hit elastic stem 18 and is tested, while registration mouth 1, registration mouth 2 224 and graduated scale 19 be each other at this time
Alignment makes graduated scale 19 is exposed to carry out reading.The axis of reisilometer main body 1 is perpendicular to concreting direction side and keeps
Level, the attack point in each survey area, the rebound value of each measuring point, which is surveyed, reads accuracy to rear, will be from a rebound value in the survey area
A higher value and smaller value are picked, effectively rebound value takes its average value to spring back typical value as the survey area of test result for remaining.
Embodiment two,
As shown in Figure 10, a kind of concrete reisilometer is based on the basis of embodiment one, support element 22 and fixing sleeve 21
For transparent material, can direct reading, no longer open up registration mouth 1 and registration mouth 2 224 in both, avoid outside graduated scale 19
Reveal and wear or corroded.
This specific embodiment is only explanation to the utility model, is not the limitation to the utility model, ability
Field technique personnel can as needed make the present embodiment the modification of no creative contribution after this specification is read, but
As long as it is all protected in the right of the utility model by Patent Law.
Claims (9)
1. a kind of concrete reisilometer, concrete reisilometer and a test surfaces（3）It abuts, including reisilometer main body（1）And auxiliary device（2）,
It is characterized in that, the reisilometer main body（1）Including housing（11）Be accommodated in housing（11）Interior elastic stem（18）, the bullet
Hit bar（18）It can be towards test surfaces（3）It stretches out and is abutted with it, the auxiliary device（2）Including being arranged and being fixed on reisilometer master
Body（1）The fixing sleeve of outer surface（21）And and test surfaces（3）The support element of abutting（22）, the support element（22）Being provided with can
For fixing sleeve（21）The accommodating cavity of insertion（221）, the accommodating cavity（221）Axis perpendicular test surfaces（3）, the accommodating cavity
（221）Towards test surfaces（3）It is provided with for elastic stem（18）The opening passed through, the fixing sleeve（21）And support element（22）Between also
It is provided with bootable reisilometer main body（1）Along accommodating cavity（221）The guide frame of axis movement（24）.
A kind of 2. concrete reisilometer according to claim 1, which is characterized in that the fixing sleeve（21）Card is provided on inner wall
Block（212）, the housing（11）With can be with fixture block（212）The card slot of clamping（113）.
A kind of 3. concrete reisilometer according to claim 1, which is characterized in that the guide frame（24）It is solid including being arranged on
Fixed set（21）The external screw thread in outside（241）And it is arranged on accommodating cavity（221）The internal thread of inner peripheral surface（242）, the external screw thread
（241）And internal thread（242）Matching, and the external screw thread（241）With elastic stem（18）Coaxially.
A kind of 4. concrete reisilometer according to claim 3, which is characterized in that the accommodating cavity（221）It is set on inner peripheral surface
There is parallel accommodating cavity（221）The sliding slot of axis（223）, the sliding slot（223）By two parallel raised lines（2231）Composition, it is described solid
Fixed set（21）Outside is provided with pluggable sliding slot（223）Interior sliding block（214）, the sliding block（214）Skid off sliding slot（223）Direction
Test surfaces（3）One end when, the external screw thread（241）With internal thread（242）It abuts.
A kind of 5. concrete reisilometer according to claim 3, which is characterized in that the reisilometer main body（1）Including being embedded in shell
Body（11）On graduated scale（19）, fixing sleeve（21）Side and support element（22）Side has can be with graduated scale（19）Alignment
Registration mouth one（213）With registration mouth two（224）.
A kind of 6. concrete reisilometer according to claim 3, which is characterized in that the reisilometer main body（1）Including being embedded in shell
Body（11）On graduated scale（19）, the support element（22）And fixing sleeve（21）For transparent material.
A kind of 7. concrete reisilometer according to claim 1, which is characterized in that the accommodating cavity（221）Towards test surfaces（3）
One end is annular in shape, and its end can be with test surfaces（3）To patch.
A kind of 8. concrete reisilometer according to claim 1, which is characterized in that the auxiliary device（2）Further include parallel survey
Examination face（3）Abutment ring（23）, the abutment ring（23）Setting is for elastic stem（18）The attack hole passed through（231）, and it is described
Abutment ring（23）Backwards to test surfaces（3）Side and support element（22）It can be towards connection.
A kind of 9. concrete reisilometer according to claim 8, which is characterized in that the abutment ring（23）Towards test surfaces（3）
One side on be provided with friction lines（232）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721301592.6U CN207516190U (en) | 2017-10-10 | 2017-10-10 | A kind of concrete reisilometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721301592.6U CN207516190U (en) | 2017-10-10 | 2017-10-10 | A kind of concrete reisilometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207516190U true CN207516190U (en) | 2018-06-19 |
Family
ID=62532810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721301592.6U Expired - Fee Related CN207516190U (en) | 2017-10-10 | 2017-10-10 | A kind of concrete reisilometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207516190U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109813619A (en) * | 2018-12-27 | 2019-05-28 | 杭州华能工程安全科技股份有限公司 | A kind of underwater reisilometer |
| CN110411827A (en) * | 2019-07-12 | 2019-11-05 | 青岛理工大学 | Concrete compressive strength detection device and detection method |
| CN112304793A (en) * | 2020-11-26 | 2021-02-02 | 山东省水利工程试验中心有限公司 | Hydraulic engineering is with small-size portable concrete intensity detection device |
| CN116359055A (en) * | 2023-05-25 | 2023-06-30 | 德州华恒环保科技有限公司 | Dam body strength detection device for water conservancy and hydropower operation management |
-
2017
- 2017-10-10 CN CN201721301592.6U patent/CN207516190U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109813619A (en) * | 2018-12-27 | 2019-05-28 | 杭州华能工程安全科技股份有限公司 | A kind of underwater reisilometer |
| CN109813619B (en) * | 2018-12-27 | 2021-09-07 | 杭州华能工程安全科技股份有限公司 | Underwater resiliometer |
| CN110411827A (en) * | 2019-07-12 | 2019-11-05 | 青岛理工大学 | Concrete compressive strength detection device and detection method |
| CN112304793A (en) * | 2020-11-26 | 2021-02-02 | 山东省水利工程试验中心有限公司 | Hydraulic engineering is with small-size portable concrete intensity detection device |
| CN116359055A (en) * | 2023-05-25 | 2023-06-30 | 德州华恒环保科技有限公司 | Dam body strength detection device for water conservancy and hydropower operation management |
| CN116359055B (en) * | 2023-05-25 | 2023-08-18 | 德州华恒环保科技有限公司 | Dam body strength detection device for water conservancy and hydropower operation management |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207516190U (en) | A kind of concrete reisilometer | |
| CN207336207U (en) | Concrete bouncing back instrument | |
| CN213543847U (en) | Telescopic material fermentation temperature detector | |
| CN107084881A (en) | A kind of whole O-shaped rubber ring tension test extension at break measuring device and method | |
| CN209605988U (en) | A kind of cast dynamometer | |
| CN209043740U (en) | A kind of reisilometer | |
| CN209495623U (en) | A kind of multi-point displacement measurement read apparatus | |
| CN207798550U (en) | A kind of auxiliary detection device of reisilometer | |
| CN214794764U (en) | Telescopic water quality detection device | |
| CN207623094U (en) | A kind of artificial compaction test device auxiliary device | |
| CN209417158U (en) | A kind of electromagnetic radiation measuring instrument | |
| CN213022690U (en) | Leeb hardness meter for measuring hardness of cylindrical curved surface | |
| CN209503448U (en) | Draft gear assembly tooling | |
| CN209450570U (en) | A kind of medical test sampler | |
| CN204177669U (en) | A kind of concrete bouncing back instrument vertical attack detection faces servicing unit | |
| CN209069231U (en) | A kind of concrete crack detector | |
| CN208968703U (en) | A kind of temperature measuring instrument | |
| CN208606691U (en) | A kind of portable radian measuring instrument | |
| CN209055408U (en) | A kind of stretching force detecting apparatus of fishing net monofilament | |
| CN207197704U (en) | A kind of closed fixture | |
| CN208349992U (en) | A kind of detection device of cold tube rolling internal diameter | |
| CN207741670U (en) | A kind of acrylate waterproof paint thickness detection apparatus | |
| CN202329405U (en) | System for detecting inner bore of gun body tube | |
| CN205505882U (en) | Flexible rule | |
| CN211669139U (en) | High-temperature boiler verifying attachment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180619 Termination date: 20211010 |