CN208297321U - A kind of grip device suitable for measuring concrete sheath coat cohesive force - Google Patents
A kind of grip device suitable for measuring concrete sheath coat cohesive force Download PDFInfo
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- CN208297321U CN208297321U CN201821111536.0U CN201821111536U CN208297321U CN 208297321 U CN208297321 U CN 208297321U CN 201821111536 U CN201821111536 U CN 201821111536U CN 208297321 U CN208297321 U CN 208297321U
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Abstract
The utility model relates to a kind of cohesion measurement fixture, especially a kind of grip device suitable for measuring concrete sheath coat cohesive force.Comprising: screw rod, setscrew, test specimen container, upper screw rod and concrete sheath coat bonding disk and center positioning mechanism, it is threadedly coupled at the top of screw rod and the center of test specimen container bottom, there are two through-holes for the bottom surface tool of test specimen container, setscrew passes through through-hole, concrete sheath coat bonding disk is fixed on the bottom end of screw rod, there is a positioning groove, center positioning mechanism is mainly made of shell, the first long rack gear, the second long rack gear and gear at the leading flank center of test specimen container.It carries out the accuracy that centralized positioning is greatly improved test result by center positioning mechanism using simply, and the test specimen for being suitable for various specifications uses, and metal coating mesh enclosure can play the effect of protection staff safety in test process.
Description
Technical field
The utility model relates to a kind of cohesion measurement fixtures, especially a kind of to be suitable for measurement concrete sheath coat bonding
The grip device of power.
Background technique
Protective coating is applied in concrete structural surface, the corrosion of concrete can be effectively reduced, extend the use of building
Service life.Whether the bond strength between coating and concrete meets the requirements, and directly determines coating to the guarantor of concrete structure
Shield degree；If being unable to secure adhesion between coating and concrete, then raising meaning of the coating for concrete anticorrosion ability
Less.The test method of evaluation concrete sheath coat is mainly measured by cohesive force instrument at present, but complicated for operation, additionally, due to
The center of sample often can not be just at the center of test specimen container in measurement process, i.e., centering is inaccurate, this can be mentioned significantly
High measurement error, at present mainly by experimenter by experience come centering, error is big, and there are many specifications of sample, it is difficult to
Centering is realized by forms such as the fixed centre bores of setting.
Utility model content
The utility model aims to solve the problem that the above problem, provides a kind of fixture suitable for measuring concrete sheath coat cohesive force
Device, it carries out the accuracy that centralized positioning is greatly improved test result by center positioning mechanism, is suitable for using simply
The test specimen of various specifications uses, and metal coating mesh enclosure can play the effect of protection staff safety, the technology of use in test process
Scheme is as follows:
A kind of grip device suitable for measuring concrete sheath coat cohesive force characterized by comprising connection universal test
Screw rod, setscrew, test specimen container, upper screw rod and the concrete sheath coat bonding disk and center positioning machine of machine tension sensor
Structure is threadedly coupled at the top and the center of test specimen container bottom of the screw rod, and there are two logical for the bottom surface tool of the test specimen container
Hole, for two through hole using the bottom center of test specimen container as symmetrical centre central symmetry, the setscrew passes through through-hole, the coagulation
Native coating bonding disk is fixed on the bottom end of screw rod, has a positioning groove at the leading flank center of the test specimen container,
The center positioning mechanism is mainly made of shell, the first long rack gear, the second long rack gear and gear, and the gear is rotationally connected with
In shell, the top surface of the first long rack gear is meshed with gear, and the inner cavity surface of bottom surface and shell is slidably connected；Described second is long
The bottom surface of rack gear is meshed with gear, and the inner cavity surface of top surface and shell is slidably connected；The first long rack gear stretches out housing parts
Length and the second long rack gear stretch out housing parts length it is equal always, there is positioning protrusion at the center of the shell,
The positioning protrusion matches with positioning groove, and the left end of the first long rack gear and the right end of the second long rack gear are respectively formed bending
Portion.
On that basis of the above technical scheme, the gear is two.
On that basis of the above technical scheme, the top of the test specimen container has the baffle extended inwardly to form.
On that basis of the above technical scheme, the metal coating mesh enclosure that Open Side Down is connected on the upper screw rod.
The utility model has the advantages that carrying out centralized positioning by center positioning mechanism can mention significantly using simply
The accuracy of high test result, the test specimen for being suitable for various specifications use, and metal coating mesh enclosure can play protection in test process
The effect of personnel safety.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described.It should be evident that the accompanying drawings in the following description is only
It is an embodiment of the present invention, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be extended according to the attached drawing of offer and obtain other implementation attached drawings.
Fig. 1: the configuration schematic diagram of the utility model；
Fig. 2: the side structure schematic view of test specimen container described in the utility model；
Fig. 3: the overlooking structure diagram of test specimen container described in the utility model；
The schematic diagram of the section structure of center positioning mechanism in Fig. 4: Fig. 1；
The backsight structural representation of center positioning mechanism in Fig. 5: Fig. 1；
Specific embodiment
The utility model is described in further detail with example with reference to the accompanying drawing:
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be directly connected, it can also be indirectly connected through an intermediary.For the ordinary skill in the art,
The concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
As shown in Figures 1 to 5, a kind of fixture dress suitable for measuring concrete sheath coat cohesive force is present embodiments provided
It sets characterized by comprising screw rod 1, setscrew 2, test specimen container 3, the upper screw rod of connection universal testing machine tension sensor
4 and concrete sheath coat bonding disk 5 and center positioning mechanism 6, at the top of the screw rod 1 and the center of 3 bottom of test specimen container
It is threadedly coupled, for the bottom surface tool of the test specimen container 3 there are two through-hole 30, two through hole 30 is pair with the bottom center of test specimen container 3
Claim revenue centre symmetrical, the setscrew 2 passes through through-hole 30, and the concrete sheath coat bonding disk 5 is fixed in screw rod 4
On bottom end, there is a positioning groove 31, the center positioning mechanism 6 is mainly by shell at the leading flank center of the test specimen container 3
Body 60, the first long rack gear 61, the second long rack gear 62 and gear 63 form, and the gear 63 is rotationally connected in shell 60, described
The top surface of first long rack gear 61 is meshed with gear 63, and bottom surface and the inner cavity surface of shell 60 are slidably connected；The second long rack gear
62 bottom surface is meshed with gear 63, and top surface and the inner cavity surface of shell 60 are slidably connected；The first long rack gear 61 stretches out shell
The length of 60 parts and the second long rack gear 62 length for stretching out 60 part of shell are equal always, have at the center of the shell 60
Positioning protrusion 64, the positioning protrusion 64 match with positioning groove 31, the left end of the first long rack gear 61 and the second length
The right end of rack gear 62 is respectively formed bending part 65.
Preferably, the gear 63 is two, so may make rack gear to run more steady, positioning accuracy is high.
Preferably, the top of the test specimen container 3 has the baffle 32 extended inwardly to form.
Preferably, the metal coating mesh enclosure 7 that Open Side Down, metal in such test process are connected on the upper screw rod 4
Mat can play the effect of protection staff safety.
In use, first test specimen is put in the type chamber of test specimen container 3, since test specimen is in transitory state at this time, and not
It can learn its center position, the positioning protrusion 64 of center positioning mechanism 6 is fitted into positioning groove 31, side adjusting gear rack,
Side adjusts position of the test specimen in test specimen container 3, when test specimen is completely by the bending part of the first long rack gear 61 and the second long rack gear 62
65 when clamping, and the center of test specimen is just just on the axis of screw rod 1 at this time, easy to operate departing from the judgement of artificial experience, examination
The bottom of part preferably offers two strip grooves, penetrates strip grooves by using setscrew 2 and is fixed, the center of such test specimen
Position just will not play again, center positioning mechanism 6 can be removed at this time, concrete sheath coat bonding disk is then passed through into seccotine
It is fixed on cement concrete surface and carries out drawing, error is small, and precision is high.
The utility model is illustrated by way of example above, but the utility model is not limited to above-mentioned specific implementation
Example, all ranges that the requires of the utility model protection is belonged to based on any changes or modifications that the utility model is done.
Claims (4)
1. a kind of grip device suitable for measuring concrete sheath coat cohesive force characterized by comprising connection universal testing machine
Screw rod (1), setscrew (2), test specimen container (3), upper screw rod (4) and concrete sheath coat bonding disk (5) of tension sensor
With center positioning mechanism (6), it is threadedly coupled at the top and the center of test specimen container (3) bottom of the screw rod (1), the test specimen
There are two through-hole (30) for the bottom surface tool of container (3), and two through hole (30) is using the bottom center of test specimen container (3) as symmetrical centre center
Symmetrically, the setscrew (2) passes through through-hole (30), and concrete sheath coat bonding disk (5) is fixed in the bottom of screw rod (4)
On end, there are a positioning groove (31) at the leading flank center of the test specimen container (3), the center positioning mechanism (6) is main
It is made of shell (60), the first long rack gear (61), the second long rack gear (62) and gear (63), the gear (63) is rotationally connected with
In shell (60), the top surface of the first long rack gear (61) is meshed with gear (63), and the inner cavity surface of bottom surface and shell (60) is sliding
Dynamic connection；The bottom surface of the second long rack gear (62) is meshed with gear (63), and the inner cavity surface of top surface and shell (60), which is slided, to be connected
It connects；The first long rack gear (61) stretches out the length of shell (60) part and the second long rack gear (62) stretches out shell (60) part
Length is equal always, has positioning protrusion (64) at the center of the shell (60), and the positioning protrusion (64) and positioning are recessed
Slot (31) matches, and the left end of the first long rack gear (61) and the right end of the second long rack gear (62) are respectively formed bending part (65).
2. a kind of grip device suitable for measuring concrete sheath coat cohesive force according to claim 1, it is characterised in that:
The gear (63) is two.
3. a kind of grip device suitable for measuring concrete sheath coat cohesive force according to claim 1, it is characterised in that:
The top of the test specimen container (3) has the baffle (32) extended inwardly to form.
4. a kind of grip device suitable for measuring concrete sheath coat cohesive force according to claim 1, it is characterised in that:
The metal coating mesh enclosure (7) that Open Side Down is connected on the upper screw rod (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821111536.0U CN208297321U (en) | 2018-07-13 | 2018-07-13 | A kind of grip device suitable for measuring concrete sheath coat cohesive force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821111536.0U CN208297321U (en) | 2018-07-13 | 2018-07-13 | A kind of grip device suitable for measuring concrete sheath coat cohesive force |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208297321U true CN208297321U (en) | 2018-12-28 |
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ID=64700311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821111536.0U Active CN208297321U (en) | 2018-07-13 | 2018-07-13 | A kind of grip device suitable for measuring concrete sheath coat cohesive force |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208297321U (en) |
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2018
- 2018-07-13 CN CN201821111536.0U patent/CN208297321U/en active Active
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