CN214334424U - Preparation device for connecting piece drawing test block - Google Patents
Preparation device for connecting piece drawing test block Download PDFInfo
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- CN214334424U CN214334424U CN202120193254.5U CN202120193254U CN214334424U CN 214334424 U CN214334424 U CN 214334424U CN 202120193254 U CN202120193254 U CN 202120193254U CN 214334424 U CN214334424 U CN 214334424U
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- piece
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Abstract
The utility model provides a preparation device of a connecting piece drawing test block, which comprises a test die and a baffle, wherein one surface of the test die is an opening surface, and one or a pair of adjacent surfaces of the opening surface is/are provided with a slot communicated with the opening surface; the shape of the baffle is matched with the shape of the inner edge of the test mold, the baffle can be inserted into the test mold and is tightly connected with the inner edge of the test mold, the middle part of the baffle is provided with a positioning hole, one end of the baffle, which extends out of the opening surface, is bent to form two hooks, and the two hooks are arranged on two sides of the open groove and can be hooked on the surface, with the open groove, of the test mold to form positioning. When the device is used, the rod-shaped connecting piece sequentially penetrates through the slot of the test die and the positioning hole of the baffle and extends into the depth to be anchored in the test die, the connecting piece is effectively supported, and the position of the limiting stopper is adjusted to enable the connecting piece to be vertical to the baffle; and then pouring and maintaining the concrete test piece. The utility model discloses make connecting piece and the direct integrated into one piece of concrete sample, can effectively guarantee the straightness that hangs down and the anchor degree of depth of connecting piece and concrete substrate.
Description
Technical Field
The utility model relates to a preparation facilities and preparation method of drawing the test block to its connecting piece (not being limited to reinforcing bar, inflation nail etc.) in cast-in-place system of insulation construction integration.
Background
The preparation device and the preparation method of the traditional drawing test block of the connecting piece (such as a steel bar, an expansion nail and the like) are that an integral plastic or metal test mold is used for preparing stirred concrete, the test mold coated with a release agent is filled in the concrete, the surface of a concrete test piece is smoothed after the concrete test piece is maintained for 28 days, and the concrete test piece is prepared after demoulding; the method comprises the steps of preparing a connecting piece hole with a specified diameter and depth by using a drill bit with the diameter and the length on a prepared concrete sample through a handheld electric drill, cleaning the formed hole, then inserting a plastic disc into the hole, putting a matched steel connecting piece into a plastic disc sleeve, and completing the preparation of the whole test sample after the connecting piece is combined and knocked (hammered) to the specified depth by using a metal hammer.
The preparation device and the method of the traditional connecting piece tensile bearing capacity test block aim at common connecting pieces (steel bars, expansion nails and the like) of a thin-plastering external thermal insulation system, the whole sample preparation process is realized by implanting the connecting pieces after punching on a concrete sample, and the preparation device and the method are not suitable for the preparation of the connecting piece drawing test block in the thermal insulation structure integrated cast-in-situ system, and have the following three main reasons: firstly, a connecting piece of the heat-insulating structure integrated cast-in-place system is integrally cast with a base concrete wall, and the requirement for preparing a test block is the same as the actual situation; secondly, the connecting piece of the integrated cast-in-place system of the heat preservation structure is not limited by metal materials such as reinforcing steel bars, expansion nails and the like, and the cross section shape is not limited to a circle; third, the anchoring depth is to be able to be controlled effectively.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an invention purpose provides a preparation facilities that test block was drawn to connecting piece to the problem that above-mentioned traditional connecting piece tensile bearing capacity test block is not applicable to cast-in-place system of insulation construction integration.
In order to achieve the above object, the utility model adopts the following technical scheme:
the utility model provides a preparation facilities of test block is drawn to connecting piece which characterized in that: including examination mould and separation blade, wherein:
one surface of the test mold is an opening surface, one adjacent surface or a pair of adjacent surfaces of the opening surface is provided with a notch, and the notch is communicated with the opening surface;
the shape of the baffle is matched with the shape of the inner edge of the test mold, the baffle can be inserted into the test mold and is tightly connected with the inner edge of the test mold, the middle part of the baffle is provided with a positioning hole, one end of the baffle, which extends out of the opening surface, is bent to form two hooks, and the two hooks are arranged on two sides of the open groove and can be hooked on the surface, with the open groove, of the test mold to form positioning.
The connecting piece draw preparation facilities of test block, wherein: the test fixture is characterized by further comprising a stopper arranged outside one side, provided with a slot, of the test fixture, wherein the stopper is a block body and provided with a straight hole.
The connecting piece draw preparation facilities of test block, wherein: the rod-shaped connecting piece sequentially penetrates through the straight hole of the limiting stopper, the open groove of the test mold and the positioning hole of the blocking piece and extends into the depth of the test mold to be anchored, and the connecting piece is kept perpendicular to the blocking piece.
The connecting piece draw preparation facilities of test block, wherein: the width of the slot, the size of the positioning hole of the baffle and the size of the straight hole of the limiting piece are matched with the size of the connecting piece.
The connecting piece draw preparation facilities of test block, wherein: the connecting piece can be made of metal, plastic or FRP and the like.
Compared with the prior art, the utility model discloses the beneficial effect who has is: adopt the utility model provides a preparation facilities can fix the connecting piece on examination mould, makes connecting piece and the direct integrated into one piece of concrete sample, can effectively guarantee the straightness that hangs down and the anchor degree of depth of connecting piece and concrete substrate, also is unanimous with actual scene simultaneously, is applicable to the connecting piece of any material, any form.
Drawings
Fig. 1 is a schematic view of the combined structure of the present invention;
FIG. 2 is a schematic diagram of a planar structure of a test mold;
FIG. 3 is a schematic plan view of the stopper;
FIG. 4 is a front view of the baffle plate;
FIG. 5 is a side view of FIG. 4;
fig. 6, 7 and 8 are front, side and bottom views of the molding structure, respectively.
Description of reference numerals: testing the mold 1; slotting 11; a stopper 2; a straight hole 21; a baffle 3; positioning holes 31; a hook 32; and a connecting piece 4.
Detailed Description
As shown in fig. 1, the utility model provides a preparation facilities of test block is drawn to connecting piece, including examination mould 1, stopper 2 and separation blade 3, wherein:
the test mold 1 is of a hexahedral structure, one surface of the test mold is provided with a rectangular opening and is called an opening surface, one adjacent surface (or a pair of adjacent surfaces) of the opening surface is provided with a slot 11, and the slot 11 is communicated with the opening surface;
the limiter 2 is a block body, and a straight hole 21 is formed in the block body;
the shape of the baffle 3 is matched with the shape of the inner edge of the test mold 1, the baffle 3 can be inserted into the test mold 1 and is tightly connected with the inner edge of the test mold 1, the middle part of the baffle 3 is provided with a positioning hole 31, one end of the baffle 3 extending out of the opening surface is bent to form two hooks 32, the two hooks 32 are arranged on two sides of the open slot 11 and can be hooked on the surface of the test mold 1 with the open slot 11 to form positioning.
The width of the slot 11, the size of the positioning hole 31 of the baffle 3 and the size of the straight hole 21 of the limiting member can be formed by machining according to the size of the connecting member 4, so as to ensure the machining precision.
When the utility model is used, the preparation method is as follows:
1. coating a release agent on the surfaces of the test mold 1 and the baffle 3 to ensure that the test mold 1 and the concrete can be released after molding;
2. hanging the baffle 3 on the edge of one side of the test mold 1 with the slot 11, and enabling the baffle 3 to be tightly attached to the inner wall of the test mold 1;
3. a rod-shaped connecting piece 4 (made of metal, plastic or FRP and the like can be selected) sequentially passes through the straight hole 21 of the stopper 2, the slot 11 of the test mold 1 and the positioning hole 31 of the baffle 3 and extends into the test mold 1 to the depth required to be anchored, an auxiliary backing plate consumable (not shown) is used for effectively supporting the connecting piece 4, and the position of the stopper 2 is adjusted to ensure that the connecting piece 4 is vertical to the test mold 1 and the baffle 3;
4. preparing concrete with specified strength according to the proportion, uniformly stirring, then loading into the test mould 1 with the connecting piece 4 fixed, and carrying out tamping while paying attention to avoid the connecting piece 4;
5. scraping the excessive concrete on the opening surface of the test mold 1 and leveling the excessive concrete by using a scraper, and finally determining the perpendicularity of the connecting piece 4 and the concrete test piece;
6. the preparation time of the whole concrete sample is controlled to be completed within 15min after the concrete is mixed; immediately covering the surface with a water-impermeable film after the preparation of the sample is finished; standard curing and curing under the same conditions can be determined according to the test requirements;
7. the standard maintenance test piece is placed still for one day and night or two days and then numbered and demoulded in the environment with the temperature of 20 +/-5 ℃ and the relative humidity of 95 percent, and is placed in the standard environment for maintenance; the stripping time of the test block under the same condition refers to the actual component stripping time, and the maintenance under the same condition is kept after the stripping;
8. and (5) maintaining the test piece for a specified time, and then performing a drawing test.
Adopt the utility model provides a preparation facilities and preparation method can fix connecting piece 4 on examination mould 1, make connecting piece 4 and the direct integrated into one piece of concrete sample, can effectively guarantee the straightness that hangs down and the anchor degree of depth of connecting piece 4 and concrete substrate, also unanimous with actual scene simultaneously, are applicable to the connecting piece 4 of any material, any form.
Furthermore, through adopting the utility model provides a preparation facilities and preparation method can unify preparation operation, realizes standardizing, reduces the difference of preparation operation, and operation method simple and practical, can the efficient adaptation and skilled function, maneuverability is strong.
The foregoing description is intended to be illustrative rather than limiting, and it will be appreciated by those skilled in the art that many modifications, variations or equivalents may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (5)
1. The utility model provides a preparation facilities of test block is drawn to connecting piece which characterized in that: including examination mould and separation blade, wherein:
one surface of the test mold is an opening surface, one adjacent surface or a pair of adjacent surfaces of the opening surface is provided with a notch, and the notch is communicated with the opening surface;
the shape of the baffle is matched with the shape of the inner edge of the test mold, the baffle can be inserted into the test mold and is tightly connected with the inner edge of the test mold, the middle part of the baffle is provided with a positioning hole, one end of the baffle, which extends out of the opening surface, is bent to form two hooks, and the two hooks are arranged on two sides of the open groove and can be hooked on the surface, with the open groove, of the test mold to form positioning.
2. The apparatus for preparing a connecting member drawing test block according to claim 1, wherein: the test fixture is characterized by further comprising a stopper arranged outside one side, provided with a slot, of the test fixture, wherein the stopper is a block body and provided with a straight hole.
3. The apparatus for preparing a connecting member drawing test block according to claim 2, wherein: the rod-shaped connecting piece sequentially penetrates through the straight hole of the limiting stopper, the open groove of the test mold and the positioning hole of the blocking piece and extends into the depth of the test mold to be anchored, and the connecting piece is kept perpendicular to the blocking piece.
4. The apparatus for preparing a connecting member drawing test block according to claim 3, wherein: the width of the slot, the size of the positioning hole of the baffle and the size of the straight hole of the limiting piece are matched with the size of the connecting piece.
5. The apparatus for preparing a connecting member drawing test block according to claim 3, wherein: the connecting piece is made of metal, plastic or FRP materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120193254.5U CN214334424U (en) | 2021-01-22 | 2021-01-22 | Preparation device for connecting piece drawing test block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120193254.5U CN214334424U (en) | 2021-01-22 | 2021-01-22 | Preparation device for connecting piece drawing test block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214334424U true CN214334424U (en) | 2021-10-01 |
Family
ID=77906184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120193254.5U Active CN214334424U (en) | 2021-01-22 | 2021-01-22 | Preparation device for connecting piece drawing test block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214334424U (en) |
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2021
- 2021-01-22 CN CN202120193254.5U patent/CN214334424U/en active Active
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