CN207751759U - A kind of pre-buried draw piece for detecting macromolecular adhesive adhesion strength - Google Patents
A kind of pre-buried draw piece for detecting macromolecular adhesive adhesion strength Download PDFInfo
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- CN207751759U CN207751759U CN201820090068.7U CN201820090068U CN207751759U CN 207751759 U CN207751759 U CN 207751759U CN 201820090068 U CN201820090068 U CN 201820090068U CN 207751759 U CN207751759 U CN 207751759U
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- draw piece
- adhesion strength
- frame
- buried draw
- tensile part
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Abstract
A kind of pre-buried draw piece for detecting macromolecular adhesive adhesion strength belongs to building material detection field.The utility model solves the problems, such as to detect period length needed for adhesion strength at present, provide a kind of pre-buried draw piece for detecting macromolecular adhesive adhesion strength, the pre-buried draw piece includes frame and tensile part, the frame is rectangular or circular rings, the tensile part is cyclic annular or semiclosed ring-type, extension section is located above frame, and the bottom of tensile part is connect with frame.The utility model is suitable for the detection of macromolecular adhesive adhesion strength.
Description
Technical field
The utility model belongs to building material detection field, and in particular to one kind bonds by force for detecting macromolecular adhesive
The pre-buried draw piece of degree.
Background technology
A variety of products with cementation prevailing for the time being in force such as JC/T 992-2006 wall thermal insulatings expanded polystyrene
Board adhesive, JC/T 993-2006 exterior insulations expansion polystyrene plate finishing mucilage, JC/T 907-2002 concrete
The products such as interface treating agent, JG/T 157-2009 putty for exterior use are required for detection adhesion strength, however, above-mentioned detection
In work, it is necessary to drawing connector is pasted onto on mortar specimen with high-strength adhesive and could carry out after conserving for 24 hours bonding strong
The detection of degree extends detection cycle, and if test block needs to remake from the fracture of binder glue-line in detection process
Experiment test specimen, therefore affect detection efficiency.
Utility model content
The utility model provides one kind for the problem of period length needed for the materials adhesion strength such as detection binder at present
Pre-buried draw piece for detecting macromolecular adhesive adhesion strength, the pre-buried draw piece include frame and tensile part, the drawing
Extending portion part is cyclic annular or semiclosed ring-type, and tensile part is located above frame, and the bottom of tensile part is connect with frame.
Preferably, the frame is process by iron wire.
The frame is Q-RING or annulus.
The tensile part is process by iron wire, and the middle part of tensile part is in " several " word shape, the both ends of tensile part
It is connected on frame.
The both ends of the tensile part are intertwined and connected on frame.
It is highly preferred that the pre-buried draw piece further includes at least one strengthening part, the strengthening part processed by iron wire and
At the side of the one ends wound frame of strengthening part, other end winds the offside of frame again after being wrapped in the middle part of tensile part.
The strengthening part is combined with tensile part in right-angled intersection.
Pre-buried draw piece described in the utility model is embedded in the connection of the structure in mortar specimen, is assembled with various ways, only
1500N pulling force can be born by, which, can meet detection demand.
Advantageous effect
High-strength adhesive, such as epoxy resin are needed in existing detection method, and drawing connector is pasted onto 40mm × 40mm
On the mortar specimen of × l0mm, and the consistency of high-strength adhesive is strictly adjusted, to ensure that adhesive surface is abundant up and down in operation
Infiltration and size alignment, and conserved and can just carry out detection.Pre-buried draw piece provided by the utility model prepares mortar with existing
The mold of test block is used cooperatively so that mortar specimen finished product pre-buried draw piece utilizes tensile test fixture in detection process, passes through
The detection of adhesion strength can be carried out by lifting the pre-buried draw piece, and the step of pasting drawing connector with high-strength adhesive is omitted,
Experimentation cost and experiment difficulty are reduced, the possibility that binder glue-line is pulled off in experiment has been prevented；More crucially mortar tries
After the pre-buried draw piece of part, it is not necessary to by drawing connector, and save smear high-strength adhesive on it after need to conserve for 24 hours
Time while not influencing testing result, improves detection efficiency to reduce detection cycle.
Description of the drawings
The pre-buried draw piece overall schematics of Fig. 1,15- tensile parts, 16- frames, 17- strengthening parts.
Fig. 2 adhesion strength distinct methods examine Time Measurement Unit schematic diagram, A be drawing connector and tensile test fixture, wherein
The mortar specimen of 1-40mm × 40mm × 10mm, the mortar specimen of 2-70mm × 70mm × 20mm, 3- drawing connectors, 4- stretch examination
Test fixture；B be pre-buried draw piece and tensile test fixture, the mortar specimen of 5-40mm × 40mm × 25mm, 6-70mm × 70mm ×
The mortar specimen of 20mm, the pre-buried draw pieces of 7-, 8- tensile test fixtures, wherein cushion block structure omission is not shown between 1,2.
The strabismus schematic diagram of Fig. 3 distinct methods detection devices, C are drawing connector and mortar specimen, 9- drawing connectors, 10-
The mortar specimen of 40mm × 40mm × 10mm, the mortar specimen of 11-70mm × 70mm × 20mm；D is that pre-buried draw piece is tried with mortar
Block, the pre-buried draw pieces of 12-, the mortar specimen of 13-40mm × 40mm × 25mm, the mortar specimen of 14-70mm × 70mm × 20mm.
Specific implementation mode
Term is explained：
Adhesion strength：The adhesive property of binder, finishing mucilage, interface treating agent, exterior wall putty etc..
Pre-buried draw piece described in the utility model for detecting macromolecular adhesive adhesion strength, including frame and stretching
Component, the frame are Q-RING or annulus, and the extension section is cyclic annular or semiclosed ring-type, and tensile part is located on frame
Side, the bottom of tensile part is connect with frame.
There are many connection types for connection between tensile part and bottom, can be connected by iron wire, can also be to draw
The extending portion part both ends of itself, which are wrapped on frame, to be connected, and no matter the pre-buried draw piece assembles in which way, as long as it can bear
The pulling force of 1500N or more, you can meet detection demand.
Existing detection method is needed by drawing connector, be used in combination high-strength adhesive by drawing connector be pasted onto 40mm ×
It in 40mm × 10mm test blocks, as shown in Figure 2 A, and conserves for 24 hours, and utilizes the pre-buried draw piece of the utility model to detect and bond by force
Degree, then it is substantive that above structure and operation is omitted, when making 40mm × 40mm × 10mm cement mortar blocks, by test block thickness
25mm is increased to by original 10mm, the pre-buried iron wire draw piece in test block, as shown in Figure 2 B, experiments have shown that pre-buried draw piece is force-applied
Range bigger, the minimum 3000N pulling force that bears fully meet test requirements document without destroying, and by existing product standard requirement, examination
It tests power and does not exceed 1500N；In addition, the test block contact area 40mm × 40mm used in the utility model does not change, therefore
The thickness increase of test block does not influence the accuracy of test data, and Fig. 3 show conventional drawing connector and utilizes the utility model institute
The inclined-plane schematic diagram that the pre-buried draw piece stated acquires when detecting.
Macromolecular adhesive involved in following embodiments, the powder of lacquer putty for use on, binder or finishing mucilage are Current Building '
Product is commonly used in operation, can be obtained by being commercialized purchase.
Process of the pre-buried draw piece described in the utility model for detecting adhesion strength is specifically described below.
Embodiment 1. detects the adhesion strength of binder using pre-buried draw piece described in the utility model.
The cement of two kinds of sizes of 70mm × 70mm × 20mm and 40mm × 40mm × 25mm is prepared with reference to existing professional standard
Mortar specimen is provided with pre-buried draw piece in 40mm × 40mm × 25mm mortar specimens, and the pre-buried draw piece is by frame and stretching
Component is connected with each other composition, and the frame is rectangular, and the tensile part is ring-type, is both process by iron wire, is stretched
Component is located at the surface of frame, and is intertwined and connected by iron wire and bottom square frame, the tensile part allowable stress
More than 3000 newton.
40mm × 40mm × 25mm is placed in the middle position of 70mm × 70mm × 20mm test blocks, and in two mortar specimens pair
Both then junction uniformly smears one layer of binder being stirred, and to putting, presses lightly on, scrapes binder extra on trimming,
Test block horizontal rest 3-5 minutes.
Special fixture will be stretched and sample is mounted on testing machine, tensile speed (5 ± 1) mm/min, loading is loaded onto sample
It destroys, then payload values when record sample destroys utilize formula R=F/S to calculate adhesion strength, wherein R represents sample stretching
Adhesion strength, unit are megapascal, and F represents sample failing load value, and unit is newton；S represents bond area, and unit is square milli
Rice.
The present embodiment has selected 2 parts of binder samples, and 6 groups of parallel tests are respectively set, measure the adhesion strength of binder
It is shown in Table 2.
Embodiment 2. detects the adhesion strength of finishing mucilage using pre-buried draw piece described in the utility model.
The present embodiment and the difference of embodiment 1 be, it is described be arranged in 40mm × 40mm × 25mm mortar specimens it is pre-
Draw piece is buried, is composed of frame and tensile part, frame is process with tensile part by iron wire, and the frame is side
The middle part of shape, tensile part is in " several " word shape, and the both ends of tensile part are respectively wound around on the opposite side of frame, the extension section
Part allowable stress is 3000 newton or more.
The macromolecular adhesive sample of the present embodiment detection is finishing mucilage, and the present embodiment has selected 2 parts of finishing mucilage samples
Product, are respectively set 6 groups of parallel tests, and the adhesion strength for measuring finishing mucilage is shown in Table 2.
Embodiment 3. detects the adhesion strength of powder of lacquer putty for use on using pre-buried draw piece described in the utility model.
The present embodiment and the difference of embodiment 1 be, it is described be arranged in 40mm × 40mm × 25mm mortar specimens it is pre-
Draw piece is buried, as shown in Fig. 1, is made of tensile part (15), frame (16) and a strengthening part (17), each component is by iron
Silk is process, and the frame is rectangular, and the middle part of tensile part is in " several " word shape, and the both ends of tensile part are respectively wound around
On two of frame are diagonal, strengthening part is combined with tensile part in right-angled intersection, and the one ends wound of strengthening part is in frame
One jiao, other end winds the another diagonal of frame again after being wrapped in the middle part of tensile part.
The macromolecular adhesive sample of the present embodiment detection is powder of lacquer putty for use on, and 6 groups of parallel tests are arranged, and measures the viscous of powder of lacquer putty for use on
Knotting strength is shown in Table 2.
Table 1 detects the parameter request of adhesion strength
Comparative example 1：The adhesion strength of binder is detected using JC/T 992-2006 the methods.
Comparative example 2：The adhesion strength of finishing mucilage is detected using JC/T 993-2006 the methods.
Comparative example 3：Adopt the adhesion strength of JG/T 24-2000 the methods detection powder of lacquer putty for use on.
Be compared with pre-buried draw piece described in the utility model and conventional drawing tool joint monitor adhesion strength as a result, by
Table 2 is data stabilization, accurate it is found that the two is essentially identical.
The pre-buried draw piece described in the utility model of table 2 and the result of conventional drawing tool joint monitor adhesion strength count
。
Claims (7)
1. a kind of for detecting the pre-buried draw piece of macromolecular adhesive adhesion strength, which is characterized in that the pre-buried draw piece includes
Frame and tensile part, the tensile part are cyclic annular or semiclosed ring-type, and tensile part is located above frame, tensile part
Bottom is connect with frame.
2. a kind of pre-buried draw piece for detecting macromolecular adhesive adhesion strength according to claim 1, feature exist
In the frame is process by iron wire.
3. a kind of pre-buried draw piece for detecting macromolecular adhesive adhesion strength according to claim 1, feature exist
In the frame is Q-RING or annulus.
4. a kind of pre-buried draw piece for detecting macromolecular adhesive adhesion strength according to claim 2 or 3, feature
It is, the tensile part is process by iron wire, and the middle part of tensile part is in " several " word shape, and the both ends of tensile part connect
On frame.
5. a kind of pre-buried draw piece for detecting macromolecular adhesive adhesion strength according to claim 4, feature exist
In the both ends of the tensile part are intertwined and connected on frame.
6. a kind of pre-buried draw piece for detecting macromolecular adhesive adhesion strength according to claim 4, feature exist
In, the pre-buried draw piece further includes at least one strengthening part, and the strengthening part is process by iron wire, and the one of strengthening part
The side of end winding frame, other end wind the offside of frame again after being wrapped in the middle part of tensile part.
7. a kind of pre-buried draw piece for detecting macromolecular adhesive adhesion strength according to claim 6, feature exist
In the strengthening part is combined with tensile part in right-angled intersection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820090068.7U CN207751759U (en) | 2018-01-19 | 2018-01-19 | A kind of pre-buried draw piece for detecting macromolecular adhesive adhesion strength |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820090068.7U CN207751759U (en) | 2018-01-19 | 2018-01-19 | A kind of pre-buried draw piece for detecting macromolecular adhesive adhesion strength |
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| CN207751759U true CN207751759U (en) | 2018-08-21 |
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| CN201820090068.7U Expired - Fee Related CN207751759U (en) | 2018-01-19 | 2018-01-19 | A kind of pre-buried draw piece for detecting macromolecular adhesive adhesion strength |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110501223A (en) * | 2019-08-26 | 2019-11-26 | 湖北省工业建筑集团有限公司 | A kind of irregular aggregate test specimen, bonding tensile strength test method and device |
| WO2022188494A1 (en) * | 2021-03-11 | 2022-09-15 | 深圳先进技术研究院 | Interface pullout force test sample of adhesive, and preparation apparatus and test method therefor |
-
2018
- 2018-01-19 CN CN201820090068.7U patent/CN207751759U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110501223A (en) * | 2019-08-26 | 2019-11-26 | 湖北省工业建筑集团有限公司 | A kind of irregular aggregate test specimen, bonding tensile strength test method and device |
| CN110501223B (en) * | 2019-08-26 | 2020-03-31 | 湖北省工业建筑集团有限公司 | Irregular aggregate test piece, and method and device for testing bonding tensile strength |
| WO2022188494A1 (en) * | 2021-03-11 | 2022-09-15 | 深圳先进技术研究院 | Interface pullout force test sample of adhesive, and preparation apparatus and test method therefor |
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| 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: 20180821 Termination date: 20190119 |