CN212391381U - Multifunctional base of bonding strength detector - Google Patents
Multifunctional base of bonding strength detector Download PDFInfo
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- CN212391381U CN212391381U CN202021232060.3U CN202021232060U CN212391381U CN 212391381 U CN212391381 U CN 212391381U CN 202021232060 U CN202021232060 U CN 202021232060U CN 212391381 U CN212391381 U CN 212391381U
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- bonding strength
- test piece
- strength detector
- limiting hole
- bottom plate
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Abstract
The utility model discloses a bonding strength detector's multifunctional base, it includes: the upper surface of the bottom plate is provided with a clamping mechanism, and the clamping mechanism is used for clamping two ends of the bonding strength detector; the limiting hole is formed in the center of the bottom plate and is a stepped hole; the standard bonding strength test piece comprises a test piece upper part and a test piece lower part which are different in sectional area, the test piece upper part penetrates through the limiting hole from bottom to top and then is connected with the drawing head, and the test piece lower part is clamped at the lower part of the limiting hole; the drawing head is connected with the drawing rod of the bonding strength detector. The utility model discloses guaranteed the straightness that hangs down between standard bonding strength test piece and the hand-held type bonding strength detector, improved the accuracy of detection data, but also have application range extensively, advantages such as detection efficiency height.
Description
Technical Field
The utility model relates to a bonding strength detector technical field especially relates to a bonding strength detector's multifunctional base.
Background
The handheld bonding strength detector has the advantages of compact structure, durability, small size, portability, convenience in field carrying and use and the like, can automatically and accurately record a bonding force value and keep a peak value by adopting the liquid crystal display bonding force value, is widely applied to many units, and is deeply welcomed by the majority of engineering technicians. When the handheld bonding strength detector detects the adhesive or the rendering coat mortar and the like, the adhesive or the rendering coat mortar needs to be directly coated on a substrate in a certain area and thickness, and then a handheld drawing instrument is adopted for testing. The following problems mainly exist in the using process:
1. the perpendicularity between the detection sample and the handheld bonding strength detector cannot be guaranteed, and the stress is easy to be out of plumb when the horizontal samples such as wall plastering mortar are detected, so that errors are caused.
2. The area of the substrate is required to be larger than the area between the supporting legs at the two sides of the handheld bonding strength detector, otherwise, the detection cannot be carried out. For example, the standard test block of the bonding strength of the building mortar in JGJ/T70 and JC/T907 cannot be tested, so that the application of the standard test block is limited.
3. The substrate area utilization is low. The limitation of area between the both sides supporting leg of receiving hand-held type bonding strength detector, in order to use for hand-held type bonding strength detector and leave sufficient area, a small amount of samples can only be made to a big base, can't carry out the sample preparation of close cloth formula, has reduced experimental efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model discloses solve the technical problem who exists among the prior art to a multifunctional base of bonding strength detector is provided.
The above technical problem of the present invention can be solved by the following technical solutions:
the utility model provides a bonding strength detector's multifunctional base, it includes:
the upper surface of the bottom plate is provided with a clamping mechanism, and the clamping mechanism is used for clamping two ends of the bonding strength detector;
the limiting hole is formed in the center of the bottom plate and is a stepped hole;
the standard bonding strength test piece comprises a test piece upper part and a test piece lower part which are different in sectional area, the test piece upper part penetrates through the limiting hole from bottom to top and then is connected with the drawing head, and the test piece lower part is clamped at the lower part of the limiting hole;
the drawing head is connected with the drawing rod of the bonding strength detector, and the drawing rod of the bonding strength detector generates pulling force to drive the drawing head to detect the bonding strength between the upper part and the lower part of the test piece.
Further, fixture includes cardboard stiff end, cardboard removal end, cardboard slide rail and bolt, cardboard stiff end symmetry sets up the upper surface both sides of bottom plate, the cardboard removes the end warp cardboard slide rail is connected with sliding the cardboard is fixed to be served, the cardboard remove the end with the clearance that forms between the cardboard stiff end is used for the bonding strength detector after bolted connection.
Further, the bottom of bottom plate is equipped with a plurality of support columns, every the top of support column is equipped with trapezoidal slider, the lower surface of bottom plate is equipped with a plurality of trapezoidal spouts along the horizontal direction parallelly, trapezoidal slider sliding connection be in the trapezoidal spout, just the upper portion thread bush of support column is equipped with lock nut, will after lock nut is rotatable the support column locking is in on the bottom plate.
Furthermore, the drawing head and the upper part of the test piece are bonded by epoxy glue.
Furthermore, the cross section of the limiting hole is square.
The beneficial effects of the utility model reside in that: the clamping bonding strength detector is fixed on the upper surface of the base plate, then the upper part of a test piece of the standard bonding strength test piece penetrates through the limiting hole from bottom to top and is connected with the drawing head, the lower part of the test piece is clamped at the lower part of the limiting hole, and finally, the drawing rod of the bonding strength detector generates pulling force to drive the drawing head to test the bonding strength between the upper part of the test piece and the lower part of the test piece.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a multifunctional base of the adhesion strength detector of the present invention;
FIG. 2 is a partial schematic view of the testing status of the multifunctional base of the bonding strength tester of the present invention;
fig. 3 is a schematic view of the connection structure of the support column of the multifunctional base of the bonding strength detector of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention can be more clearly and clearly defined.
Referring to fig. 1-3, the utility model discloses a multifunctional base of bonding strength detector, it includes:
the upper surface of the bottom plate 1 is provided with a clamping mechanism 2, and the clamping mechanism 2 is used for clamping two ends of the bonding strength detector; preferably, the base plate 1 has dimensions of 200mm × 200mm × 6 mm;
the limiting hole 3 is formed in the center of the bottom plate 1, and the limiting hole 3 is a stepped hole; preferably, the cross section of the limiting hole 3 is square, the upper part of the limiting hole is 40mm multiplied by 6mm, and the lower part of the limiting hole is 70mm multiplied by 2 mm;
the standard bonding strength test piece 4 comprises a test piece upper part 41 and a test piece lower part 42 which are different in sectional area, wherein the test piece upper part 41 penetrates through the limiting hole 3 from bottom to top and then is connected with the drawing head 5, and the test piece lower part 42 is clamped at the lower part of the limiting hole 3;
the drawing head 5 is bonded with the upper part 41 of the test piece through the adhesive 6, the drawing head 5 is connected with a drawing rod of the bonding strength detector, and the drawing rod of the bonding strength detector generates pulling force to drive the drawing head 5 to detect the bonding strength between the upper part 41 of the test piece and the lower part 42 of the test piece.
The utility model discloses a fix the upper surface at bottom plate 1 with centre gripping bonding strength detector, then, make test piece upper portion 41 of standard bonding strength test piece 4 pass spacing hole 3 back from bottom to top and be connected with drawing head 5, test piece lower part 42 card is established in the lower part of spacing hole 3, and finally, drawing the pole through the bonding strength detector and producing the pulling force and drive the drawing head 5 and test the bonding strength between test piece upper portion 41 and the test piece lower part 42, it has guaranteed the straightness that hangs down between standard bonding strength test piece 4 and the hand-held type bonding strength detector, the accuracy of testing data has been improved, and it is wide still to have application range, advantages such as detection efficiency height.
Specifically, fixture 2 includes cardboard stiff end 21, cardboard removal end 22, cardboard slide rail 23 and bolt, and cardboard stiff end 21 symmetry sets up in the upper surface both sides of bottom plate 1, and cardboard removal end 22 connects on cardboard stiff end 21 through cardboard slide rail 23 with sliding, and the clearance that forms between cardboard removal end 22 and the cardboard stiff end 21 is used for centre gripping bonding strength detector after bolted connection.
Preferably, the bottom of bottom plate 1 is equipped with a plurality of support columns 7, and the top of every support column 7 is equipped with trapezoidal slider 8, and the lower surface of bottom plate 1 is equipped with a plurality of trapezoidal spouts 9 along the horizontal direction parallelly, and trapezoidal slider 8 sliding connection is in trapezoidal spout 9, and the upper portion screw thread cover of support column 7 is equipped with lock nut 10, locks support column 7 on bottom plate 1 after lock nut 10 is rotatable. Preferably, the drawing head 5 and the upper part 41 of the test piece are bonded by epoxy glue.
The utility model discloses a three kinds of application methods as follows:
the 1 st: the bonding strength detector is fixed through the clamping plate fixing end 21 and the clamping plate moving end 22, and the drawing rod is guaranteed to be located in the center of the limiting hole 3. And (3) enabling the upper part 41 of the standard bonding strength test piece 4 in the JGJ/T70 and the JC/T907 to pass through the limiting hole 3, firmly clamping the lower part 42 of the test piece below the limiting hole 3, and then starting a bonding strength detector to finish the drawing test of the standard bonding strength test piece 4.
The 2 nd: firstly, the supporting column 7 is dismounted, the bonding strength detector is fixed through the clamping plate fixing end 21 and the clamping plate moving end 22, and the drawing rod is ensured to be positioned in the center of the limiting hole 3. And then, a drawing head 5 fixed on the surface of the sample passes through the limiting hole 3 and is connected with the drawing rod, the bottom plate 1 is stably placed on the wall surface, and then the drawing test is carried out.
And (3) type: 100 densely-distributed samples were prepared on a panel of 0.7m × 0.7m × 0.3m using a mortar molding frame having dimensions of 70mm × 70mm, an inner frame of 40mm × 40mm, and a thickness of 6mm, which were specified by the test method in "basic performance test method for building mortar" (JGJ/T70-2009) for measuring the tensile bond strength of building mortar. The bonding strength detector is fixed through the clamping plate fixing end 21 and the clamping plate moving end 22, and the drawing rod is guaranteed to be located in the center of the limiting hole 3. The positions of the support columns 7 are adjusted, so that the four support columns 7 are positioned at four vertexes of a square of 60mm multiplied by 60mm, and the support columns 7 are ensured to be free from contact with surrounding samples. And then, a drawing head 5 fixed on the surface of the sample passes through the limiting hole 3 and is connected with a drawing rod, and a bonding strength detector is started to carry out drawing detection on the densely distributed sample.
In the invention, the bonding strength detector can display the numerical value of the tensile force, the tensile force is continuously increased during the drawing detection until the interface of the upper part 41 and the lower part 42 of the test piece is damaged, and the interface bonding strength is obtained by dividing the bonding force numerical value during the interface damage by the bonding area.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims (5)
1. A multifunctional base of a bonding strength detector is characterized by comprising:
the upper surface of the bottom plate is provided with a clamping mechanism, and the clamping mechanism is used for clamping two ends of the bonding strength detector;
the limiting hole is formed in the center of the bottom plate and is a stepped hole;
the standard bonding strength test piece comprises a test piece upper part and a test piece lower part which are different in sectional area, the test piece upper part penetrates through the limiting hole from bottom to top and then is connected with the drawing head, and the test piece lower part is clamped at the lower part of the limiting hole;
the drawing head is connected with the drawing rod of the bonding strength detector, and the drawing rod of the bonding strength detector generates pulling force to drive the drawing head to detect the bonding strength between the upper part and the lower part of the test piece.
2. The multifunctional base for a bonding strength measuring instrument according to claim 1, wherein the clamping mechanism comprises a fixed board end, a movable board end, a sliding board rail and a bolt, the fixed board end is symmetrically disposed on both sides of the upper surface of the base plate, the movable board end is slidably connected to the fixed board end via the sliding board rail, and a gap formed between the movable board end and the fixed board end is used for the bonding strength measuring instrument after being connected via the bolt.
3. The multifunctional base for the bonding strength testing instrument according to claim 2, wherein a plurality of support pillars are disposed on the bottom of the bottom plate, a trapezoidal sliding block is disposed on the top of each support pillar, a plurality of trapezoidal sliding grooves are disposed on the lower surface of the bottom plate in parallel along the horizontal direction, the trapezoidal sliding blocks are slidably connected in the trapezoidal sliding grooves, and a locking nut is threadedly sleeved on the upper portion of each support pillar, and the locking nut can rotate to lock the support pillars on the bottom plate.
4. The multifunctional base for an adhesion strength tester as claimed in claim 1, wherein the drawing head is bonded to the upper part of the test piece by epoxy glue.
5. The multifunctional base for a bonding strength measuring instrument according to claim 1, wherein the cross-sectional shape of the position-limiting hole is square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021232060.3U CN212391381U (en) | 2020-06-30 | 2020-06-30 | Multifunctional base of bonding strength detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021232060.3U CN212391381U (en) | 2020-06-30 | 2020-06-30 | Multifunctional base of bonding strength detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212391381U true CN212391381U (en) | 2021-01-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021232060.3U Active CN212391381U (en) | 2020-06-30 | 2020-06-30 | Multifunctional base of bonding strength detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212391381U (en) |
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2020
- 2020-06-30 CN CN202021232060.3U patent/CN212391381U/en active Active
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