CN206696149U - Concrete impervious instrument - Google Patents
Concrete impervious instrument Download PDFInfo
- Publication number
- CN206696149U CN206696149U CN201720267015.3U CN201720267015U CN206696149U CN 206696149 U CN206696149 U CN 206696149U CN 201720267015 U CN201720267015 U CN 201720267015U CN 206696149 U CN206696149 U CN 206696149U
- Authority
- CN
- China
- Prior art keywords
- specimen sleeve
- concrete impervious
- impervious instrument
- die trial
- bound edge
- 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
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
A kind of concrete impervious instrument is disclosed in the utility model, including specimen sleeve, the specimen sleeve is made up of two separate half set of the generatrix direction segmentation along specimen sleeve, two and half sets of tension is provided between two half sets and forms the pulling assembly of the inner chamber for coating die trial side wall therebetween, the pulling assembly includes being arranged at half set and another half compression side for covering the edge of joint and to the outside of inner chamber extending, the section being coated on the outside of two and half sets of compression side is U-shaped bound edge, and two fasteners for compressing side are tensed or pushed against through bound edge, fixed form between its specimen sleeve by changing split settings, so that the specimen sleeve of split is pushed against fixation along perpendicular to its generatrix direction.
Description
Technical field
A kind of concrete NDT equipment is the utility model is related to, more particularly to a kind of concrete impervious instrument.
Background technology
Concrete impervious instrument generally comprises testing stand, hydraulic pressure system and die trial fixing device, each die trial fixing device
On specimen sleeve is detachably installed, before experiment, die trial is pressed into forcing press in each specimen sleeve.6 are set on each testing stand
Group die trial fixing device, corresponding every group of die trial fixing device set 6 specimen sleeves, and in testing stand, this 6 opening positions respectively set one
Individual apopore, apopore are communicated to hydraulic pressure system.Hydraulic pressure system provides press water into 6 apopores, when 3 die trials are oozed
During water, the now seepage-resistant grade of the hydraulic pressure value of hydraulic pressure system, as die trial material（Such as the 3rd die trial be when seeping water, water
The hydraulic pressure of pressure system is 0.6MPa, then the concrete that the die trial is made is P6 concrete）.
In order to prevent water gap between the inwall of specimen sleeve and the side wall of die trial from flowing through, general die trial is in Specimen set
Before, it is necessary to specimen sleeve is put into baking oven preheating, then in one layer of paraffin of die trial side wall roller coating or butter, then on forcing press
Specimen set.Contain the multiple harmful substances such as benzene in paraffin, these materials can separate out in heating process, influence operator's body
Health.
Authorization Notice No. is to disclose a kind of split specimen sleeve, its technical side in CN203881656U utility model patent
Specimen sleeve is divided into two in case, and in outside with annular clip banding, in Standard Test Method for Permeation Resistance, in the poly- second of die trial outer cladding
Alkene film, and polyethylene film is fixed with rubber band, then the specimen sleeve of two halves is coated on outside die trial by clip.So, gather
Vinyl film instead of existing paraffin and die trial and specimen sleeve sealed.
But in order to prevent die trial from deviating from from bottom to top from specimen sleeve when bottom adds hydraulic pressure, die trial be upper end it is small under
Hold big frustum shape.And clip is the annulus with one fixed width, therefore, test specimen corresponding to the both ends of the width of clip
Set diameter simultaneously differs, and after die trial bottom adds hydraulic pressure, motion causes there is what is be separated from each other between two halves specimen sleeve upwards for die trial
Trend, clip may also slide under this trend to the less position of diameter on specimen sleeve.
Utility model content
The purpose of this utility model is to provide a kind of concrete impervious instrument, its by change split settings specimen sleeve it
Between fixed form so that the specimen sleeve of split is fixed along being pushed against perpendicular to its generatrix direction.
Above-mentioned purpose of the present utility model technical scheme is that：A kind of concrete impervious instrument, bag
Specimen sleeve is included, the specimen sleeve is made up of two separate half set of the generatrix direction segmentation along specimen sleeve, described in two
Two and half sets of tension is provided between half set and forms the pulling assembly of the inner chamber for coating die trial side wall, institute therebetween
State pulling assembly include being arranged at half set with another half compression side for covering the edge of joint and outside extension to inner chamber,
The section being coated on the outside of two and half sets of compression side is U-shaped bound edge, and tenses or push against two through bound edge and compress side
Fastener.
By using above-mentioned technical proposal, specimen sleeve is divided into two along generatrix direction, and compress side from the edge of half set to
Lumen outer extends, and bound edge is coated on outside the compression side of two and half sets upper the same side, and is further enhanced by fastener
Both conflict relations, then no matter fastener is to contradict to compress or wear two compression sides of tension, and the direction that this is pushed against is equal
Perpendicular to generatrix direction, do not influenceed by outside specimen sleeve in circular conical surface.
Preferably, the sealing gasket being compacted between half set of inwall and die trial side wall is provided on the inwall of half set
Layer, the sealing bed course is silicagel pad.
By using above-mentioned technical proposal, monoblock type specimen sleeve is different from, split type specimen sleeve form is without matching somebody with somebody combined pressure
Die trial is pressed into by power machine, therefore, silicagel pad can be used between die trial and specimen sleeve, without silicagel pad and specimen sleeve side
The problem of being difficult to die trial being pressed into caused by wall friction power is excessive.Also, the good sealing effect of silica gel, especially when chain each half covers
During tension, silicagel pad is extruded and deformed upon, and its gluing, sealing effect between die trial outer wall and specimen sleeve inwall can be big
Big lifting.
Preferably, half set includes taper body, and is arranged at the semi-circular shape boss of taper body bottom, described
Compress side and taper body is isometric, the bound edge is isometric with compressing side.
By using above-mentioned technical proposal, compress side and body is isometric, the part that the side wall of die trial contacts with body is pressed
Pilled-in selvedge and bound edge are strained and fixed；And filled in the part of semi-circular shape boss by semi-circular shape boss and the fixed of testing stand junction
Put and fix, so, side wall sealed reliable of the specimen sleeve for die trial.
Preferably, the fastener contradicts the compression side through the bound edge and end.
By using above-mentioned technical proposal, fastener, which contradicts, compresses side, then can save on compression side and in bound edge
Perforate on another side, processing are simple.Fastener, which contradicts, to be set, and the use of fastener is equivalent to jackscrew, and disassembly process is more just
It is prompt.
Preferably, the sealing bed course extends to the compression side.
By using above-mentioned technical proposal, sealing bed course, which extends to, compresses side, in the region that can make two and half sets of conflicts
And also have sealing bed course between compression side, so as to which half-and-half set seam crossing also has reliable sealing.
Preferably, the length of the sealing bed course is less than the inwall arc length of specimen sleeve at same diametrical position.
By using above-mentioned technical proposal, bed course length is less than specimen sleeve inwall arc length, then the sealing gasket in each half set
Layer both ends are fixed and clamped in compressing at side, and the sealing bed course tensioning in half set coats die trial outer surface, so, sealing gasket
Layer is relatively reliable with the sealing of die trial.
Preferably, the concrete impervious instrument also includes the company for being supported in the testing stand on ground and being fixedly arranged on testing stand
Flange is connect, the gap of ring-type is reserved between the flange connector bottom and the table top of testing stand, half set includes taper sheath
Body, and it is arranged at the semi-circular shape boss of taper body bottom, the annular that flange connector is formed after being docked with two and half sets
The competing semi-ring in bottom surface of the top surface and round ring boss that limit flange connector is coated with outside boss.
By using above-mentioned technical proposal, using two and half sets of assembled specimen sleeves for forming entirety, the then meeting being difficult to avoid that
Cause some gaps be present between half set and half set.And original structure is will to be set between the round platform on specimen sleeve bottom and testing stand
A circle screw thread is put, in the case where half external member has gap, the screwed hole on specimen sleeve and round platform can be caused to be aligned and deviation be present,
Screw thread is tightened more difficult, therefore, coordinates this position being arranged to semi-ring form, and substituting screw threads with two edges of cladding connects
Connect, be adapted to half set of form, eliminate screwed hole centering sex chromosome mosaicism caused by half set butt seam.
Preferably, jackscrew is equipped with the semi-ring, and the top surface of round ring boss is supported in the jackscrew bottom.
By using above-mentioned technical proposal, jackscrew contradicts downwards round ring boss, increases the conflict power of it and flange connector
Effect.
In summary, the utility model has the advantages that：Along generatrix direction by specimen sleeve it is a be two, and utilize
The form that bound edge cladding compresses side fixes both, aids in the abutting effect with fastener so that two and half sets of engagement is not bored
The influence in shape face, the extruding when half covers and mutually tense of increased silica gel sealing pad deform upon so that jacket inner surface and die trial
More closely connected between outer surface, sealing seals more preferably, and due to specimen sleeve split settings, the friction of silica gel sealing pad compared with paraffin
Have no effect on the process that die trial is attached to specimen sleeve；And for inevitable installation gap between preventing half set, specimen sleeve with
Flange connector on testing stand makes adaptive change, and test specimen is fixed using the cladding compacted form above-below direction of semi-ring plus jackscrew
Testing stand is placed on, eliminates the gap between half set for specimen sleeve and the influence of testing stand installation.
Brief description of the drawings
Fig. 1 is the overall structure figure for the specimen sleeve for being provided with die trial；
Fig. 2 is the overall structure view being fixed to specimen sleeve jointly with die trial on concrete impervious instrument；
Fig. 3 is the Fig. 2 done for the mounting structure of display specimen sleeve and testing stand A portions enlarged drawing；
Fig. 4 is the B for Fig. 2 that the installation site relation between display flange connector and testing stand surface and semi-ring is done
Portion's enlarged drawing；
Fig. 5 is half set of the topology view with sealing bed course.
In figure, 1, half covers；10th, taper body；11st, side is compressed；12nd, semi-circular shape boss；13rd, bed course is sealed；2nd, bound edge；
3rd, fastener；4th, semi-ring；40th, screwed hole；5th, jackscrew；6th, testing stand；60th, flange connector；7th, adjusting pressuring knob；8th, sealing ring；9、
Gap.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
A kind of concrete impervious instrument, as shown in Fig. 2 including testing stand 6, and six groups of test specimens being arranged on testing stand 6
Set, the inside of testing stand 6 are provided with hydraulic pressure system according to the set-up mode of existing Anti-leakage instrument hydraulic pressure system, before testing stand 6
Side is provided with the adjusting pressuring knob 7 of six control, six groups of specimen sleeve bottom hydraulic pressure, and when impermeability is tested, die trial is loaded into test specimen
Set, then is attached to testing stand 6 by specimen sleeve, at interval of certain time turn adjusting pressuring knob 7, the hydraulic pressure value of control die trial bottom,
When three groups of die trial top surfaces in six groups have water to ooze out, by adjusting pressuring knob closing hydraulic pressure system, hydraulic pressure value now is highest
Antiosmotic pressure force value.
With reference to Fig. 2 and Fig. 3, specimen sleeve is divided into two to form completely the same half set 1 of two structures, due to the die trial of standard
For flat-top frustum structure, therefore, half set 1 includes integrally formed taper body 10, and half is provided with the big end of taper body 10
Round ring boss 12, half cover 1 edge dock with another and set and compress side 11 on taper body 10, and compress side 11 from cone
The upper surface receipts that the small end of shape body 10 extends to semi-circular shape boss 12 are stopped.After two and half set of 1 docking, two taper bodies 10
Between enclose the conical internal cavity to form accommodating flat-top taper type die trial, two semi-circular shape boss 12 are combined into a round ring boss
Structure.
After two and half set of 1 docking, totally four compression sides 11 contradict two-by-two on two and half set 1, and it is in U that both, which are coated with section,
The bound edge 2 of type, also, two sides of bound edge 2 are inconsistent with two compression sides 11 of the same side respectively, so that two compression sides 11
Mutually push against.The length of bound edge 2 is consistent with compressing side 11, and its bottom is supported to the upper surface of semi-circular shape boss 12.
Reference picture 1 and Fig. 3, in order to prevent being pushed up between the upward play of die trial is by two and half set 1 in die trial bottom compression
Go out gap, fastener 3 is provided with bound edge 2, it is illustrated that be a kind of setting form of fastener 3, i.e. fastener passes through the one of bound edge 2
Individual side wall, end are contradicted to the surface on the compression side 11 of the close side wall, with the conflicts on further two compression sides 11 of push-tight
Relation.Certainly, fastener 3 in the form of wearing, can also penetrate two side walls of bound edge 2 and two compression sides of the same side
11, then in end set nut, tense two and compress side 11 and bound edge 2.Two kinds of forms, which can play, fixes two and half set 1
Effect, still, when using the first abutting mode, need to open up tapped hole on bound edge 2, so that fastener 3 exists
In hole turn and push against compress side 11.Under second of way of realization, then the hole compressed on side 11 and bound edge 2 can be unthreaded hole, tightly
Firmware 3 is coordinated using screw bolt and nut.
With reference to Fig. 3 and Fig. 5, in order to prevent there is gap between half set 1 of inwall and die trial outer surface, in the interior table of half set 1
Face, which is provided with, seals bed course 13, difference and integral type specimen sleeve, and under two and half set 1 of situation, die trial no longer needs Specimen
In set, therefore, bed course 13 is sealed herein and uses silicagel pad, its coefficient of friction is big, can prevent that die trial is altered upwards in pressure process
It is dynamic, meanwhile, sealing effectiveness is more preferable after its deformation.Sealing bed course 13, which can directly be pasted, is fixed to half set 1 of inner surface, can also
Shown in Fig. 5, do not fix between the inwall of half set 1, and directly its both ends is fixed to two of the same side
Between compression side 11.In the latter case, to ensure that sealing bed course 13 is reliably compacted to half set between 1 and die trial, it is located at
The length of sealing bed course 13 between taper body 10 is less than the correspondence position arc length of die trial, so that sealing bed course 13 tensioning cladding
Both ends are fixed in outside die trial, then by compressing side 11, are fixed.Now, it is close between two compression sides 11 of the same side
Packing layer 13, two conflict sealings compressed between side 11 can also be increased.
With reference to Fig. 3 and Fig. 4, the top of testing stand 6 is provided with six flange connectors 60, its shape corresponding to six groups of specimen sleeves
It is consistent with the round ring boss shape that two and half set of 1 bottom is formed with size.The bottom of flange connector 60 and the upper surface of testing stand 6 it
Between formed with gap 9, after specimen sleeve is placed on testing stand 1, flange connector 60 aligns with round ring boss and contradicted up and down,
Two semi-rings 4 are coated with both outward flanges.
Specifically, with reference to Fig. 1 and Fig. 5, two the separated of semi-ring 4 are to avoid the lower end of bound edge 2, and gap 9 is indulged
It should at least meet that the lower edge of semi-ring 4 can be stretched into and coated to the lower surface of flange connector 60 to width.Connect to increase
The conflict relation between the upper surface of flange 60 and the lower surface of round ring boss is connect, jackscrew 5 is equipped with semi-ring 4, jackscrew 5
Bottom contradicts the upper surface of round ring boss, to compress the lower end of specimen sleeve from top to bottom to flange connector 60.
When die trial is installed in specimen sleeve, the bottom surface of die trial flushes with the bottom surface of semi-circular shape boss 12, in order to prevent water
The water of pressure system output leaks from specimen sleeve and flange connector 60, between specimen sleeve bottom surface and the upper surface of flange connector 60
A sealing ring 8 is additionally provided with, it is placed into this position without being fixed with specimen sleeve or flange connector 60 when only installing
Put, and compressed by semi-ring 4 and jackscrew 5 and deform and formed annular seal.
This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model
Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but
As long as all protected in right of the present utility model by Patent Law.
Claims (8)
1. a kind of concrete impervious instrument, including specimen sleeve, two phases that the specimen sleeve is split by the generatrix direction along specimen sleeve
Mutually independent half set（1）Composition, it is characterized in that：Two described half cover（1）Between be provided with tension two and half sets and at both
Between form the pulling assembly of inner chamber for coating die trial side wall, the pulling assembly includes being arranged at half set（1）With other one
Individual half covers（1）The edge of joint and the compression side extended to the outside of inner chamber（11）, be coated on two and half sets（1）Compression side
（11）The section in outside is U-shaped bound edge（2）, and through bound edge（2）Tense or push against two fasteners for compressing side（3）.
2. concrete impervious instrument according to claim 1, it is characterized in that：Described half covers（1）Inwall on be provided for pressing
Tightly covered to half（1）Sealing bed course between inwall and die trial side wall（13）, the sealing bed course（13）For silicagel pad.
3. concrete impervious instrument according to claim 2, it is characterized in that：Described half covers（1）Including taper body（10）, with
And it is arranged at taper body（10）The semi-circular shape boss of bottom（12）, the compression side（11）With taper body（10）It is isometric,
The bound edge（2）With compressing side（11）It is isometric.
4. concrete impervious instrument according to claim 3, it is characterized in that：The fastener（30）Through the bound edge（2）
And end contradicts the compression side（11）.
5. concrete impervious instrument according to claim 3, it is characterized in that：The sealing bed course（13）Extend to the compression
Side（11）.
6. concrete impervious instrument according to claim 5, it is characterized in that：The sealing bed course at same diametrical position（13）
Length be less than specimen sleeve inwall arc length.
7. concrete impervious instrument according to claim 1, it is characterized in that：The concrete impervious instrument also includes being supported in ground
The testing stand in face（6）And it is fixedly arranged on testing stand（6）On flange connector（60）, the flange connector（60）Bottom and testing stand
（6）Table top between be reserved with the gap of ring-type（9）, described half covers（1）Including taper body（10）, and it is arranged at taper sheath
Body（10）The semi-circular shape boss of bottom（12）, flange connector（60）With two and half sets（1）The round ring boss formed after docking
Outside is coated with restriction flange connector（60）Top surface and round ring boss the competing semi-ring in bottom surface（4）.
8. concrete impervious instrument according to claim 7, it is characterized in that：The semi-ring（4）On be equipped with jackscrew（5）, and
The jackscrew（5）The top surface of round ring boss is supported in bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720267015.3U CN206696149U (en) | 2017-03-18 | 2017-03-18 | Concrete impervious instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720267015.3U CN206696149U (en) | 2017-03-18 | 2017-03-18 | Concrete impervious instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206696149U true CN206696149U (en) | 2017-12-01 |
Family
ID=60442604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720267015.3U Expired - Fee Related CN206696149U (en) | 2017-03-18 | 2017-03-18 | Concrete impervious instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206696149U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110057738A (en) * | 2019-04-19 | 2019-07-26 | 华北水利水电大学 | Cement sand and gravel material Standard Test Method for Permeation Resistance on-site measurement devices and methods therefor |
-
2017
- 2017-03-18 CN CN201720267015.3U patent/CN206696149U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110057738A (en) * | 2019-04-19 | 2019-07-26 | 华北水利水电大学 | Cement sand and gravel material Standard Test Method for Permeation Resistance on-site measurement devices and methods therefor |
| CN110057738B (en) * | 2019-04-19 | 2021-10-08 | 华北水利水电大学 | Method for using device for field measurement of impermeability test of gelled gravel material |
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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: 20171201 Termination date: 20190318 |