CN214238724U - Novel concrete test piece forming die - Google Patents
Novel concrete test piece forming die Download PDFInfo
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- CN214238724U CN214238724U CN202023139980.3U CN202023139980U CN214238724U CN 214238724 U CN214238724 U CN 214238724U CN 202023139980 U CN202023139980 U CN 202023139980U CN 214238724 U CN214238724 U CN 214238724U
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Abstract
The utility model discloses a novel concrete sample forming die, include: the supporting bottom plate, prop up the polylith shaping curb plate that establishes on the supporting bottom plate, and connect the fastener. And a test piece forming cavity for casting and forming the concrete test piece is surrounded by the forming side plates and the supporting bottom plate. The molding side plates and the supporting bottom plate and the adjacent molding side plates are buckled in a concave-convex matching mode respectively, and the molding side plates and the supporting bottom plate and the adjacent molding side plates are detachably locked and fixed through connecting fasteners respectively. In the novel concrete sample forming die, on one hand, the leakage of concrete mixture in a sample forming cavity can be effectively prevented, the change of the concrete design mix proportion is avoided, the forming quality of a concrete sample is further improved, and the test precision of the concrete sample tensile property test is finally improved; on the other hand, this novel forming die can realize quick installation, and it is convenient to tear the form open, has solved the loaded down with trivial details problem of concrete sample preparation among the prior art.
Description
Technical Field
The utility model relates to a concrete sample preparation mould technical field especially relates to a novel concrete sample forming die.
Background
Concrete is the most important and widely applied raw material in the building industry, and the basic performance of the concrete can directly influence the safety and durability of the whole structure, so that domestic and foreign scholars carry out a great deal of research work aiming at the basic mechanical properties of the concrete. The tensile strength and ductility of concrete are basic performance characteristics of concrete, and directly affect the cracking, deformation and durability of concrete structures, and the cracking of the concrete structures is generally caused by tensile stress. Direct tensile testing is the only way to obtain the tensile strength, deformation characteristics and direct tensile stress-strain full curve of concrete.
At present, the existing mould for forming a concrete test piece has the problems of slurry leakage, difficulty in disassembly and assembly, poor test piece forming quality and the like under the long-term use, so that a forming mould which is impermeable, convenient to disassemble and good in test piece forming quality is urgently needed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a novel concrete test piece forming die to the technical problem who leaks thick liquid, test piece shaping quality is poor, and the mould is installed and removed the operation difficulty when pouring that the solution current forming die exists.
The utility model adopts the technical scheme as follows:
a novel concrete sample forming die comprises: the supporting base plate, a plurality of forming side plates supported on the supporting base plate and connecting fasteners; a test piece forming cavity for casting and forming the concrete test piece is defined by the forming side plates and the supporting bottom plate; the molding side plates and the supporting bottom plate and the adjacent molding side plates are buckled in a concave-convex matching mode respectively, and the molding side plates and the supporting bottom plate and the adjacent molding side plates are detachably locked and fixed through connecting fasteners respectively.
Furthermore, the supporting bottom plate is in a square plate shape; the plurality of forming side plates comprise two side length forming side plates which are oppositely arranged along the length direction of the supporting bottom plate and two end limiting side plates which are oppositely arranged along the width direction of the supporting bottom plate; the side-growing forming side plates and the supporting bottom plate, the end limiting side plates and the supporting bottom plate, and the end limiting side plates and the side-growing forming side plates are buckled in a concave-convex matching mode respectively, and the side-growing forming side plates and the supporting bottom plate, and the end limiting side plates and the side-growing forming side plates are detachably fixed through connecting fasteners respectively; a test piece forming cavity is defined by the supporting bottom plate, the two side length forming side plates and the two end limiting side plates.
Furthermore, the supporting bottom plate comprises a bottom plate base body in a square plate shape and two flow-limiting forming strips for limiting and forming the concrete slurry; the surfaces of two ends of the base body in the length direction of the bottom plate are respectively provided with an inwards concave buckling groove, and the buckling grooves extend along the width direction of the base body of the bottom plate and then are communicated with two sides of the base body in the length direction of the bottom plate; the two current-limiting molding strips are oppositely arranged on the base plate along the length direction of the base plate, and two ends of each current-limiting molding strip are respectively communicated with the corresponding buckling grooves.
Further, the concrete sample is dumbbell-shaped with a small middle part and large two ends in the length direction.
Furthermore, the outer side edge of the flow-limiting molding strip is a linear edge extending along the length direction of the flow-limiting molding strip, and the inner side edge of the flow-limiting molding strip opposite to the flow-limiting molding strip is a first molding edge used for molding an outer folded edge in the length direction of the concrete sample.
Furthermore, the two side long forming side plates are respectively arranged at the outer sides of the two flow-limiting forming strips and extend along the length direction of the correspondingly arranged flow-limiting forming strips; the lower part of the inner side edge of the side long forming side plate is provided with a bayonet groove used for clamping the corresponding current-limiting forming strip from the outer side of the current-limiting forming strip, and the bayonet groove penetrates through the side long forming side plate along the length direction of the side long forming side plate; the upper portion of the side edge of the side length forming side plate is a second forming edge used for forming an outer folding edge in the length direction of the concrete sample, and the first forming edge and the second forming edge are matched to form a forming edge used for forming the outer folding edge in the length direction of the concrete sample.
Furthermore, two sides of the base body of the bottom plate in the length direction are respectively provided with first through holes which are sequentially arranged at intervals in the length direction, and the first through holes are vertical to the upper surface of the base body of the bottom plate and penetrate through the base body of the bottom plate; second through holes which are arranged in one-to-one correspondence with the first through holes are formed in the lateral long forming side plate, and the upper surface of the second through hole, which is perpendicular to the lateral long forming side plate, penetrates through the lateral long forming side plate; the connecting fastener is a connecting bolt, and the connecting bolt is detachably fixed with the side-growing forming side plate and the base body of the bottom plate after penetrating through the corresponding second through hole and the corresponding first through hole in sequence.
Furthermore, the lower ends of the end part limit side plates are clamped in the correspondingly arranged buckling grooves; the inner side edge of the end part limiting side plate is provided with an inwards concave clamping cavity, and the end part limiting side plate is relatively clamped with two side length forming side plates from the end part through the clamping cavity.
Furthermore, concave bayonets are respectively arranged on the outer side edges of the two ends of the side length forming side plate; the end limiting side plate comprises a mounting base body, clamping strips and clamping blocks, wherein the clamping strips are connected to the mounting base body and are used for being clamped into correspondingly arranged buckling grooves; the two clamping blocks and the mounting base body are connected to form a clamping cavity.
Furthermore, the bottom surface of the bayonet is provided with a third through hole which vertically penetrates through the side-growing forming side plate; the fixture block is provided with a fourth through hole which vertically penetrates through the fixture block; the connecting fastener is a connecting bolt, and the connecting bolt is detachably fixed with the end limiting side plate and the side growing forming side plate after penetrating through the corresponding fourth through hole and the corresponding third through hole in sequence.
The utility model discloses following beneficial effect has:
in the novel concrete sample forming die, because the forming side plates are connected with the supporting bottom plate and the adjacent forming side plates in a concave-convex matching lock joint mode respectively and are detachably locked and fixed through the detachably arranged connecting fasteners, on one hand, the leakage of concrete mixtures in a forming cavity can be effectively prevented, the change of the design mix proportion of concrete is avoided, the forming quality of the concrete sample is further improved, and the test precision of the tensile property test of the concrete sample is finally improved; on the other hand, the utility model discloses a novel concrete sample forming die can realize quick installation, and it is convenient to demolish the mould, has solved the loaded down with trivial details problem of concrete sample preparation among the prior art.
In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
fig. 1 is a schematic top view of a novel concrete sample forming mold according to a preferred embodiment of the present invention;
FIG. 2 is a schematic view of the spatial structure of the support base of FIG. 1;
FIG. 3 is a schematic view of the side plate of FIG. 1;
fig. 4 is a schematic space structure diagram of the end limiting side plate in fig. 1.
Description of the figures
10. A support floor; 11. a base plate substrate; 111. a fastening groove; 112. a first through hole; 12. a flow-limiting molding bar; 120. a first forming edge; 20. connecting a fastener; 30. a test piece forming cavity; 40. a side-growing forming side plate; 402. a second forming edge; 403. a second through hole; 404. a bayonet; 405. a third through hole; 50. end part limiting side plates; 501. a card cavity; 51. installing a base body; 53. a clamping block; 530. and a fourth via.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways, which are defined and covered below.
Referring to fig. 1, a preferred embodiment of the present invention provides a novel concrete sample forming mold, including: the supporting base plate 10, a plurality of formed side plates supported on the supporting base plate 10, and a connecting fastener 20. A test piece forming cavity 30 for casting and forming the concrete test piece is surrounded by the plurality of forming side plates and the supporting bottom plate 10. The formed side plates are buckled with the supporting bottom plate 10 and the adjacent formed side plates in a concave-convex matching mode respectively, and the formed side plates are detachably locked and fixed with the supporting bottom plate 10 and the adjacent formed side plates through connecting and fastening pieces 20 respectively.
When the novel concrete sample forming mold of the utility model is adopted to prepare a concrete sample, firstly, the concave-convex structure on the forming side plate is fastened with the corresponding concave-convex structure on the supporting bottom plate 10, and the concave-convex structures between the adjacent forming side plates are fastened, so that the forming side plate and the supporting bottom plate 10 enclose a sample forming cavity 30 which can be used for forming the concrete sample; then, the formed side plates and the supporting bottom plate 10 are locked and fixed by adopting connecting fasteners 20, and adjacent formed side plates are locked and fixed; then pouring the prepared concrete mixture into a test piece forming cavity 30, and placing a forming mould on a vibrating table to ensure that the concrete mixture is vibrated compactly and the surface is smoothed; after the curing time of the concrete sample is up, sequentially removing the connection between the adjacent molding side plates, the connection between the molding side plates and the supporting bottom plate 10; and finally, placing the concrete sample into a curing room for curing.
In the novel concrete sample forming die, as the forming side plates are connected with the supporting bottom plate 10 and the adjacent forming side plates in a concave-convex matching lock joint mode respectively and are detachably locked and fixed through the detachably arranged connecting fasteners 20, on one hand, the leakage of concrete mixtures in the sample forming cavity 30 can be effectively prevented, the change of the design mix proportion of concrete is avoided, the forming quality of the concrete sample is further improved, and the test precision of the tensile property test of the concrete sample is finally improved; on the other hand, the utility model discloses a novel concrete sample forming die can realize quick installation, and it is convenient to demolish the mould, has solved the loaded down with trivial details problem of concrete sample preparation among the prior art.
Alternatively, as shown in fig. 2, the support base 10 has a square plate shape. The plurality of molded side plates include two long molded side plates 40 oppositely arranged along the length direction of the support base plate 10 and two end limiting side plates 50 oppositely arranged along the width direction of the support base plate 10. The side long forming side plate 40 and the supporting bottom plate 10, the end limiting side plate 50 and the supporting bottom plate 10, and the end limiting side plate 50 and the side long forming side plate 40 are buckled in a concave-convex matching mode respectively, and the side long forming side plate 40 and the supporting bottom plate 10, and the end limiting side plate 50 and the side long forming side plate 40 are detachably fixed through connecting fasteners 20 respectively. The test piece forming cavity 30 is enclosed by the supporting bottom plate 10, the two side long forming side plates 40 and the two end limiting side plates 50.
In this alternative, as shown in fig. 2, the support floor 10 includes a floor base 11 having a square plate shape, and two flow-restricting molding bars 12 for flow-restricting and molding the concrete slurry. The surfaces of the two ends of the bottom plate base body 11 in the length direction are respectively provided with an inwards concave buckling groove 111, and the buckling grooves 111 extend along the width direction of the bottom plate base body 11 and then are communicated with the two sides of the bottom plate base body 11 in the length direction. The two flow-limiting molding strips 12 are oppositely arranged on the bottom plate base body 11 along the length direction of the bottom plate base body 11, and two ends of the flow-limiting molding strips 12 are respectively communicated with the corresponding buckling grooves 111. In this alternative, by providing the current-limiting molding strip 12 on the bottom plate base body 11, on one hand, the current-limiting molding strip 12 and the bottom plate base body 11 form a bayonet which is matched and fastened with the side growth molding side plate 40, and on the other hand, the current-limiting molding strip is used for limiting the flow of the concrete mixture in the test piece molding cavity 30, so that the concrete mixture is prevented from leaking between the side growth molding side plate 40 and the bottom plate base body 11, and meanwhile, the molding of the concrete test piece can be limited.
In this alternative, as shown in fig. 1, the concrete sample is a dumbbell shape having a small middle and large ends in the longitudinal direction. The dumbbell-shaped concrete tensile test piece can accurately reflect the tensile characteristic and the ductility of concrete, pouring is simple, and the quality of the test piece is guaranteed.
In the embodiment of this alternative, as shown in fig. 2, the outer side of the flow-limiting molding strip 12 is a straight side extending along the length direction thereof, and the inner side of the flow-limiting molding strip 12 opposite to the straight side is a first molding side 120 for molding the outer folded edge of the concrete sample in the length direction.
In the alternative embodiment, as shown in fig. 2 and 3, the two side long forming side plates 40 are respectively disposed outside the two flow-limiting forming bars 12 and extend along the length direction of the flow-limiting forming bars 12. The lower part of the inner side edge of the side long forming side plate 40 is provided with a bayonet groove used for clamping the corresponding flow limiting forming strip 12 from the outer side of the flow limiting forming strip 12, the bayonet groove penetrates through the side long forming side plate 40 along the length direction of the side long forming side plate 40, after assembly, the bayonet groove of the side long forming side plate 40 clamps the corresponding flow limiting forming strip 12 from the outer side of the flow limiting forming strip 12 so as to realize concave-convex matching and buckling between the side long forming side plate 40 and the supporting bottom plate 10, and concrete mixture can be effectively prevented from leaking between the side long forming side plate 40 and the supporting bottom plate 10. The upper part of the inner side edge of the side length forming side plate 40 is a second forming edge 402 for forming an upper outer folding edge of the concrete sample in the length direction, and the first forming edge 120 and the second forming edge 402 cooperate to form a forming edge for forming the upper outer folding edge of the concrete sample in the length direction.
In the embodiment of this alternative, as shown in fig. 2 and 3, two sides of the bottom plate base 11 in the length direction are respectively provided with first through holes 112 sequentially arranged at intervals along the length direction, and the first through holes 112 penetrate through the bottom plate base 11 perpendicularly to the upper surface of the bottom plate base 11. The side-length forming side plate 40 is provided with second through holes 403 which are arranged corresponding to the first through holes 112 one by one, and the upper surface of the side-length forming side plate 40 perpendicular to the second through holes 403 penetrates through the side-length forming side plate 40. The connecting fastener 20 is a connecting bolt, and the connecting bolt is inserted into the corresponding second through hole 403 and first through hole 112 in sequence, and then detachably fixes the side-length forming side plate 40 and the bottom plate base body 11, so that the assembling and disassembling operation between the side-length forming side plate 40 and the supporting bottom plate 10 is simple and easy to implement.
Optionally, as shown in fig. 1, fig. 2 and fig. 4, the lower end of the end limiting side plate 50 is clamped in the correspondingly disposed fastening groove 111, so that concave-convex matching fastening between the end limiting side plate 50 and the supporting bottom plate 10 is realized, and concrete mixture can be effectively prevented from leaking between the end limiting side plate 50 and the supporting bottom plate 10. Be equipped with the card chamber 501 of indent on the inboard edge of the spacing curb plate 50 of tip, the spacing curb plate 50 of tip is through card chamber 501 relative card from the tip establish two long shaping curb plates of side 40, through the effect of card chamber 501, the tip from two long shaping curb plates of side 40 that set up relatively is with the relative buckle of two long shaping curb plates of side 40, thereby make the structure between two long shaping curb plates of side 40 and two spacing curb plates of tip more fasten, and then make forming die overall structure stable, the reliability is high, and can effectively prevent the leakage of concrete mixture in the test piece shaping chamber 30.
In this alternative, as shown in fig. 2 and 4, the outer side edges of the two ends of the side long forming side plate 40 are respectively provided with a concave bayonet 404. The end limiting side plate 50 includes a mounting base 51, a clamping strip connected to the mounting base 51 for being clamped into the corresponding fastening groove 111, and clamping blocks 53 connected to two ends of the mounting base 51. The two blocks 53 and the mounting base 51 are connected to form a clamping cavity 501. During actual installation, the clamping block 53 of the end limiting side plate 50 is clamped in the clamping opening 404 of the correspondingly arranged side length forming side plate 40, so that concave-convex matching and buckling between the adjacent end limiting side plate 50 and the side length forming side plate 40 are realized, and further, concrete mixtures in the test piece forming cavity 30 are effectively prevented from leaking between the end limiting side plate 50 and the side length forming side plate 40.
In this alternative, as shown in fig. 2 and 4, the bottom surface of the bayonet 404 is provided with a third through hole 405 vertically penetrating the side-growth forming side plate 40. The latch 53 is provided with a fourth through hole 530 vertically penetrating the latch 53. The connecting fastener 20 is a connecting bolt, and after the connecting bolt sequentially penetrates through the corresponding fourth through hole 530 and the corresponding third through hole 405, the end part limiting side plate 50 and the side length forming side plate 40 are detachably fixed, so that the assembling and disassembling operation between the side length forming side plate 40 and the end part limiting side plate 50 is simple and easy to implement.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a novel concrete sample forming die which characterized in that includes:
the supporting base plate (10), a plurality of forming side plates supported on the supporting base plate (10), and connecting fasteners (20);
a test piece forming cavity (30) for casting and forming a concrete test piece is defined by the forming side plates and the supporting bottom plate (10);
the molding side plates are buckled with the supporting bottom plates (10) and adjacent to the molding side plates in a concave-convex matching mode respectively, and the molding side plates are detachably locked and fixed with the supporting bottom plates (10) and adjacent to the molding side plates through the connecting fasteners (20).
2. The novel concrete specimen forming mold according to claim 1,
the supporting bottom plate (10) is in a square plate shape;
the plurality of the molding side plates comprise two side long molding side plates (40) which are oppositely arranged along the length direction of the supporting bottom plate (10) and two end limiting side plates (50) which are oppositely arranged along the width direction of the supporting bottom plate (10);
the side long forming side plate (40) and the supporting bottom plate (10), the end limiting side plate (50) and the supporting bottom plate (10) and the end limiting side plate (50) and the side long forming side plate (40) are buckled in a concave-convex matching mode respectively, and the side long forming side plate (40) and the supporting bottom plate (10) and the end limiting side plate (50) and the side long forming side plate (40) are detachably fixed through the connecting fastener (20) respectively;
the test piece forming cavity (30) is defined by the supporting bottom plate (10), the two side length forming side plates (40) and the two end limiting side plates (50).
3. The novel concrete specimen forming mold according to claim 2,
the supporting bottom plate (10) comprises a bottom plate base body (11) in a square plate shape and two flow-limiting forming strips (12) for limiting and forming concrete slurry;
the surfaces of two ends of the base plate body (11) in the length direction are respectively provided with an inwards concave buckling groove (111), and the buckling grooves (111) extend along the width direction of the base plate body (11) and then are communicated with two sides of the base plate body (11) in the length direction;
the two flow-limiting forming strips (12) are oppositely arranged on the base plate base body (11) along the length direction of the base plate base body (11), and two ends of each flow-limiting forming strip (12) are respectively communicated with the corresponding buckling grooves (111).
4. The novel concrete specimen forming mold according to claim 3,
the concrete test piece is in a dumbbell shape with a small middle and large two ends in the length direction.
5. The novel concrete specimen forming mold according to claim 4,
the outer side edge of the flow-limiting forming strip (12) is a linear edge extending along the length direction of the flow-limiting forming strip, and the inner side edge, opposite to the flow-limiting forming strip (12), is a first forming edge (120) used for forming an outer folded edge in the length direction of the concrete sample.
6. The novel concrete specimen forming mold according to claim 5,
the two side long forming side plates (40) are respectively arranged at the outer sides of the two flow limiting forming strips (12) and extend along the length direction of the correspondingly arranged flow limiting forming strips (12);
the lower part of the inner side edge of the side long forming side plate (40) is provided with a bayonet groove used for clamping the corresponding flow limiting forming strip (12) from the outer side of the flow limiting forming strip (12), and the bayonet groove penetrates through the side long forming side plate (40) along the length direction of the side long forming side plate (40);
the upper portion of the inner side edge of the side-length forming side plate (40) is a second forming edge (402) used for forming the outer folded edge in the length direction of the concrete sample, and the first forming edge (120) and the second forming edge (402) are matched to form a forming edge used for forming the outer folded edge in the length direction of the concrete sample.
7. The novel concrete specimen forming mold according to claim 6,
two sides of the length direction of the bottom plate base body (11) are respectively provided with first through holes (112) which are sequentially arranged at intervals along the length direction, and the first through holes (112) penetrate through the bottom plate base body (11) and are vertical to the upper surface of the bottom plate base body (11);
second through holes (403) which are arranged in one-to-one correspondence to the first through holes (112) are formed in the side length forming side plate (40), and the second through holes (403) penetrate through the side length forming side plate (40) and are vertical to the upper surface of the side length forming side plate (40);
the connecting fastener (20) is a connecting bolt, and the connecting bolt is sequentially penetrated through the corresponding second through hole (403) and the first through hole (112) and then detachably fixes the side-growing forming side plate (40) and the bottom plate base body (11).
8. The novel concrete specimen forming mold according to claim 3,
the lower end of the end limiting side plate (50) is clamped in the correspondingly arranged buckling groove (111);
the inboard edge of the spacing curb plate of tip (50) is equipped with card chamber (501) of indent, the spacing curb plate of tip (50) are passed through card chamber (501) are established two from the relative card of tip the long shaping curb plate of side (40).
9. The novel concrete specimen forming mold according to claim 8,
the outer side edges of the two ends of the side length forming side plate (40) are respectively provided with an inwards concave bayonet (404);
the end limiting side plate (50) comprises an installation base body (51), clamping strips which are connected to the installation base body (51) and used for being clamped into the correspondingly arranged buckling grooves (111), and clamping blocks (53) which are connected to two ends of the installation base body (51);
the two clamping blocks (53) and the mounting base body (51) are connected to form the clamping cavity (501).
10. The novel concrete specimen forming mold according to claim 9,
the bottom surface of the bayonet (404) is provided with a third through hole (405) which vertically penetrates through the side length forming side plate (40);
a fourth through hole (530) vertically penetrating through the clamping block (53) is formed in the clamping block (53);
the connecting fastener (20) is a connecting bolt, and after the connecting bolt sequentially penetrates through the corresponding fourth through hole (530) and the third through hole (405), the end limiting side plate (50) and the side growing forming side plate (40) are detachably fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023139980.3U CN214238724U (en) | 2020-12-22 | 2020-12-22 | Novel concrete test piece forming die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023139980.3U CN214238724U (en) | 2020-12-22 | 2020-12-22 | Novel concrete test piece forming die |
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| Publication Number | Publication Date |
|---|---|
| CN214238724U true CN214238724U (en) | 2021-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023139980.3U Active CN214238724U (en) | 2020-12-22 | 2020-12-22 | Novel concrete test piece forming die |
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| Country | Link |
|---|---|
| CN (1) | CN214238724U (en) |
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- 2020-12-22 CN CN202023139980.3U patent/CN214238724U/en active Active
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