CN216782194U - Preparation mould of prefabricated crack Z type concrete shear strength test piece - Google Patents
Preparation mould of prefabricated crack Z type concrete shear strength test piece Download PDFInfo
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- CN216782194U CN216782194U CN202220107522.1U CN202220107522U CN216782194U CN 216782194 U CN216782194 U CN 216782194U CN 202220107522 U CN202220107522 U CN 202220107522U CN 216782194 U CN216782194 U CN 216782194U
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Abstract
The utility model discloses a manufacturing die of a prefabricated crack Z-shaped concrete shear strength test piece, which relates to the technical field of pouring forming and comprises side templates, a lower template and a positioning plate, wherein the side templates are provided with four hinged seats which are distributed in a circular array, the side templates are vertically arranged, two rows of hinged seats are symmetrically distributed on the outer wall of the side templates left and right, the hinged seats are horizontally hinged with placing hooks, a pair of clamping rods for dumbbell installation are horizontally arranged on a pair of adjacent placing hooks on a pair of adjacent side templates, clamping strips made of angle steel are vertically clamped at the edges of the pair of adjacent side templates, clamping blocks of right-angled triangles are clamped between the clamping rods and the clamping strips, and process convex plates of the right-angled triangles are symmetrically connected to the centers of the inner walls of the front side template and the rear side template; the lower template is horizontally arranged, an annular clamping groove is formed in the upper side of the lower template, the four positioning plates are distributed in a circular array mode, the positioning plates are vertically arranged, the lower portions of the positioning plates are correspondingly inserted into the clamping groove, and lifting pieces are welded on the outer wall of each positioning plate in the middle.
Description
Technical Field
The utility model relates to the technical field of pouring forming, in particular to a manufacturing mold of a Z-shaped precast crack concrete shear strength test piece.
Background
The self-compacting rock-fill concrete is used for building large dams, and the shear strength of the self-compacting rock-fill concrete is an important mechanical property index. Because the aggregate diameter is large and generally exceeds 250mm, the size of the manufactured test specimen is overlarge, the material is wasted, and the test is difficult. Since the steel bars cannot be arranged inside the test specimen, it is almost impossible to manufacture other relatively small shear test specimens except the beam shear specimen.
Therefore, a test piece which ensures that the size of the test piece is not large as much as possible and is convenient to test needs to be found, and the requirements of the traditional test conditions and analysis methods can be met.
Disclosure of Invention
The utility model aims to provide a manufacturing mold of a Z-shaped precast crack concrete shear strength test piece, which aims to overcome the defects caused in the prior art.
The utility model provides a preparation mould of prefabricated crack Z type concrete shear strength test piece, preparation mould includes side form board, lower bolster and locating plate, wherein:
the side templates are provided with four side templates which are distributed in a circular array, the side templates are vertically arranged, two rows of hinged seats are symmetrically distributed on the left and right of the outer wall of each side template, J-shaped placing hooks are horizontally hinged on the hinged seats, dumbbell clamping and placing rods are horizontally lapped on a pair of adjacent placing hooks on a pair of adjacent side templates, clamping and placing strips made of angle steel are vertically clamped at the edges of a pair of adjacent side templates, right-angled triangular clamping and placing blocks are clamped between the clamping and placing rods, and right-angled triangular technological convex plates are symmetrically connected to the centers of the inner walls of the front side template and the rear side template;
the lower template is horizontally arranged, an annular clamping groove is formed in the upper side of the lower template, the four positioning plates are distributed in a circular array, the positioning plates are vertically arranged, the lower portions of the positioning plates are correspondingly inserted into the clamping groove, and lifting pieces are welded on the outer wall of each positioning plate in the middle.
Compared with the prior art, the utility model has the following advantages:
the manufacturing mold is mainly used for pouring and molding large-size rock-fill concrete materials, and is convenient and quick in mold assembly in the early stage and mold disassembly in the later stage.
Drawings
Fig. 1 is a schematic structural view of a preparation mold in the present invention.
Fig. 2 and 3 are schematic views of the construction of sideforms in a preparation mould.
Fig. 4 and 5 are schematic structural views of a lower template in a preparation mold.
Fig. 6 is a schematic structural view of a test piece in the present invention.
Wherein:
10-preparing a mould; 101-sideform; 102-a hinged seat; 103-placing a hook; 104-clamping and releasing rod; 105-card placing strip; 106-clamping block; 107-technological convex plate; 108-a lower template; 108 a-card slot; 109-a positioning plate; 110-lifting and placing sheets;
20-testing the test piece; 20 a-process gap; 20 b-pre-crack.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.
As shown in fig. 1 to 6, a preparation mold for a Z-shaped precast crack shear strength test specimen, the preparation mold 10 includes a side mold plate 101, a lower mold plate 108 and a positioning plate 109, wherein:
the four side templates 101 are distributed in a circular array, the side templates 101 are vertically arranged, two rows of hinged seats 102 are symmetrically distributed on the outer wall of each side template 101 in a left-right mode, J-shaped placing hooks 103 are horizontally hinged to the hinged seats 102, dumbbell clamping and placing rods 104 are horizontally placed on a pair of adjacent placing hooks 103 on a pair of adjacent side templates 101, clamping and placing strips 105 made of angle steel are vertically clamped at edges of the pair of adjacent side templates 101, right-angled triangle clamping and placing blocks 106 are clamped between the clamping and placing rods 104 and the clamping and placing strips 105, and right-angled triangle technological convex plates 107 are symmetrically connected to the centers of the inner walls of the front side template 101 and the rear side template 101;
the lower bolster 108 sets up horizontally and its upside is equipped with annular card and puts groove 108a, locating plate 109 is equipped with four and is circular array distribution, locating plate 109 sets up perpendicularly and its lower part corresponds to be inserted and put in card puts groove 108a, it has lifting piece 110 to weld between two parties on the outer wall of locating plate 109.
When the manufacturing mold of the Z-shaped shear strength test specimen for the prefabricated crack concrete is actually applied, the manufacturing mold comprises the following operation steps:
step 1: uniformly brushing a release agent on the upper surface of the lower template 108 and the inner surfaces of the four side templates 101;
step 2: sequentially clamping and installing four positioning plates 109 in a clamping groove 108a of the lower template 108, sequentially stacking the four side templates 101 on the inner sides of the four positioning plates 109, wherein the bottom ends of the four side templates are vertically abutted against the upper side of the lower template 108, and the outer surfaces of the lower parts of the four side templates are abutted against the inner surfaces of the positioning plates 109 in parallel;
and step 3: horizontally putting a clamping and placing rod 104 on a pair of close placing hooks 103 on a pair of adjacent side templates 101, vertically clamping and placing a clamping and placing strip 105 at the edge of the pair of adjacent side templates 101, and clamping and placing blocks 106 between the clamping and placing rod 104 and the clamping and placing strip 105;
and 4, step 4: taking self-compacting rock-fill concrete as a filling material, and integrally pouring a Z-shaped test specimen 20 through a preparation mold 10;
and 5: after pouring forming, the clamping block 106, the clamping rod 104, the clamping strip 105, the positioning plate 109, the side template 101 and the lower template 108 are sequentially removed, and finally the test piece 20 is obtained.
The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the utility model are intended to be embraced therein.
Claims (1)
1. The utility model provides a preparation mould of prefabricated crack Z type concrete shear strength test piece which characterized in that: preparation mould (10) include side form board (101), lower bolster (108) and locating plate (109), wherein:
the dumbbell type side formwork comprises side formworks (101), wherein the side formworks (101) are arranged in a circular array, the side formworks (101) are vertically arranged, two rows of hinged seats (102) are symmetrically distributed on the outer wall of the side formworks in the left-right direction, J-shaped placing hooks (103) are horizontally hinged on the hinged seats (102), dumbbell clamping and placing rods (104) are horizontally arranged on a pair of adjacent placing hooks (103) on a pair of adjacent side formworks (101), clamping and placing strips (105) made of angle steel are vertically clamped at edges of the pair of adjacent side formworks (101), right-angled triangular clamping and placing blocks (106) are clamped between the clamping and placing rods (104) and the clamping and placing strips (105), and right-angled triangular technological convex plates (107) are symmetrically connected to the centers of the inner walls of the front side formwork and the rear side formwork (101);
lower bolster (108) level setting and its upside are equipped with annular card and put groove (108 a), locating plate (109) are equipped with four and are circular array distribution, locating plate (109) set up perpendicularly and its lower part corresponds to be inserted in card and put groove (108 a), the welding is placed in the middle on the outer wall of locating plate (109) has lifting piece (110).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220107522.1U CN216782194U (en) | 2022-01-14 | 2022-01-14 | Preparation mould of prefabricated crack Z type concrete shear strength test piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220107522.1U CN216782194U (en) | 2022-01-14 | 2022-01-14 | Preparation mould of prefabricated crack Z type concrete shear strength test piece |
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| Publication Number | Publication Date |
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| CN216782194U true CN216782194U (en) | 2022-06-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220107522.1U Active CN216782194U (en) | 2022-01-14 | 2022-01-14 | Preparation mould of prefabricated crack Z type concrete shear strength test piece |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114397198A (en) * | 2022-01-14 | 2022-04-26 | 南通理工学院 | Novel test method for Z-shaped precast crack concrete shear strength test specimen |
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2022
- 2022-01-14 CN CN202220107522.1U patent/CN216782194U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114397198A (en) * | 2022-01-14 | 2022-04-26 | 南通理工学院 | Novel test method for Z-shaped precast crack concrete shear strength test specimen |
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