CN214419115U - Die for manufacturing movable core rib in hollow floor slab - Google Patents
Die for manufacturing movable core rib in hollow floor slab Download PDFInfo
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- CN214419115U CN214419115U CN202022686276.3U CN202022686276U CN214419115U CN 214419115 U CN214419115 U CN 214419115U CN 202022686276 U CN202022686276 U CN 202022686276U CN 214419115 U CN214419115 U CN 214419115U
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Abstract
The utility model relates to a preparation of activity core rib in hollow floor and preparation mould thereof, especially a preparation and preparation mould that link together by a plurality of sections and form overlength activity core rib belong to the building structure field. A mould for making the movable core rib in the hollow floor slab, including mould box and mould cover, the cavity that the two forms is used for shaping the concrete movable core rib; the top of the mould box body is provided with an opening as a concrete inlet, the bottom of the mould box body is provided with a columnar bulge along the height direction of the mould box body, and the height of the columnar bulge is smaller than that of the movable core rib and is used for forming a groove at the bottom of the movable core rib; the mould cover is matched with the mould box body, and a hole II is formed in the mould cover and used as an inlet for inserting the rigid rod-shaped piece into the mould box body. The utility model has the advantages of as follows: 1. the operation difficulty of the movable core rib in the using process is reduced; 2. the pouring of concrete and the maintenance are convenient; 3. the demoulding is convenient; 4. the requirement of the process for installing the movable core rib in the later period is met.
Description
Technical Field
The utility model relates to a preparation of activity core rib in hollow floor and preparation mould thereof, especially a preparation and preparation mould that link together by a plurality of sections and form overlength activity core rib belong to the building structure field.
Background
When the bidirectional prestressed precast reinforced concrete hollow floor slab is used, in order to enhance the transverse rigidity of the hollow floor slab and improve the anti-seismic performance of the hollow floor slab, the rear precast concrete movable core ribs are used and transversely filled into the hollow cavity of the hollow floor slab at certain intervals.
In the process of manufacturing the movable core rib, the manufactured movable core rib can meet the requirements of appearance and size, the easy operability of manufacturing and demolding is also considered, and convenience of installing the movable core rib into the hollow floor slab in the later period is achieved. At present, the method for manufacturing and using the movable core ribs is to manufacture the overlength movable core rib string at one time and then directly insert the movable core rib string into a hollow cavity of a hollow floor slab, so that the operation difficulty is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that exists among the prior art, provide a mould for making hollow floor medium activity core rib for this activity core rib independently makes, forms overlength activity core rib after connecting.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a mould for making the movable core rib in the hollow floor slab, including mould box and mould cover, the cavity that the two forms is used for shaping the concrete movable core rib; the top of the mould box body is provided with an opening as a concrete inlet, the bottom of the mould box body is provided with a columnar bulge along the height direction of the mould box body, and the height of the columnar bulge is smaller than that of the movable core rib and is used for forming a groove at the bottom of the movable core rib; the mould cover is matched with the mould box body, and a hole II is formed in the mould cover and used as an inlet for inserting the rigid rod-shaped piece into the mould box body.
Preferably, be provided with pipeline II along the axial of hole II, the direction of height direction of pipeline II extends far away from the direction of mould box body.
Preferably, the columnar protrusion is coaxial with the hole II.
Preferably, protruding inside hollow structure that is of column, correspond the position on the mould box body with it and seted up hole I, hole I and the protruding intercommunication of column form pipeline I, I internal diameter of pipeline and the adaptation of rigid rod-like piece.
Preferably, the bottom edge of the mold box body is provided with a base structure for forming a counter-force structure with the demolding gun during demolding.
Preferably, the pipeline I and the mould box body, the pipeline II and the mould cover are integrally formed.
Preferably, the inner diameter of the mold cover is larger than the outer diameter of the top opening of the mold box for sealing the top of the mold box.
Use of a mould for making movable core ribs in hollow floors, for example: the process flow for manufacturing the movable core rib in the hollow floor slab uses the mould, and comprises the following steps:
(1) placing a mold box body;
(2) pouring concrete into the mould box body;
(3) covering the mold cover;
(4) the rigid rod-shaped piece is inserted into the hole II and the pipeline II;
(5) standing until the mold stripping condition is reached;
(6) pressurizing the pipeline I of the mold box body by using a demolding gun to demold the movable core rib;
(7) and removing the cover of the mold to obtain the movable core rib.
The process flow for installing the movable core ribs into the hollow floor slab comprises the following steps:
(1) placing a hollow floor slab;
(2) placing a first movable core rib (without a rigid rod-shaped member) into a hollow cavity of the hollow floor slab, wherein the end part with the groove faces outwards;
(3) the end part of the second movable core rib with the rigid rod-shaped part is propped against the first movable core rib and just inserted into the groove of the first movable core rib, and then the second movable core rib is pushed into the hollow cavity;
(4) repeating the step 3;
(5) and (5) finishing the installation.
The principle is as follows: the columnar protrusion at the bottom of the mold box body forms a groove at the bottom of the movable core rib, a rigid rod-shaped piece can be inserted into the hole II and the pipeline II on the mold cover, and the rigid rod-shaped piece of the adjacent movable core rib is matched with the groove; the hollow cavity of putting into hollow floor with one section of movable core rib that a plurality of independently makeed the completion is connected adjacent movable core rib through the shaft-like piece of rigidity simultaneously, forms overlength movable core rib, not only can guarantee that the movable core rib who produces can satisfy appearance and dimensional requirement, also compromise the convenience of the process of preparation and form removal and later stage installation process simultaneously.
Compared with the prior art, the utility model has the advantages of as follows:
1. the process that the super-long movable core rib string is manufactured at one time and then directly inserted into the hollow cavity of the hollow floor slab is improved into the process that the movable core ribs are independently manufactured one by one and then installed in a section, so that the operation difficulty of the movable core ribs in the using process is greatly reduced;
2. when the movable core ribs are manufactured, the movable core ribs can be independently manufactured one by one, so that concrete can be poured and maintenance can be conveniently carried out;
3. the bottom of the mould box body is provided with a pipeline I, and a demoulding gun can be used for inserting and pressurizing to separate the movable core rib from the mould during demoulding, so that demoulding is convenient and fast;
4. the pipeline I and the die box body are of an integral structure, and when the movable core rib is manufactured, a groove is directly formed at the lower part of the movable core rib, so that the requirement of a later process for installing the movable core rib is met;
5. the mould cover is provided with a pipeline II, and after concrete is poured into the mould, the pipeline II plays a role in inserting and fixing the reinforcing steel bars, so that the process requirement of installing the movable core ribs in the later period is met.
Drawings
FIG. 1 is a schematic structural diagram of embodiment 1 of the present invention;
FIG. 2 is a schematic view of the mold cassette configuration of FIG. 1, wherein FIG. 2a is a perspective view of the mold cassette; FIG. 2b is a top view of the mold box body;
FIG. 3 is a schematic view of the mold cover configuration of FIG. 1, wherein FIG. 3a is a perspective view of the mold cover; FIG. 3b is a top view of the mold cover;
FIG. 4 is a schematic view of the demold gun of this example 1;
fig. 5 is a schematic view of a finished product of the movable core rib manufactured in embodiment 1 of the present invention;
FIG. 6 is a flow chart of a manufacturing process of a movable core rib in embodiment 1 of the present invention;
fig. 7 is a process flow of installing the movable core ribs to the hollow floor slab in embodiment 1 of the present invention;
in the figure, 1, a mold box body; 2. a mold cover; 3. a pipeline I; 4. a base; 5. a pipeline II; 6. a movable core rib; 6-1, a groove; 6-2, reinforcing steel bars; 7. and (4) demolding guns.
Detailed Description
It should be noted that, in the present embodiment, the terms "top" and "bottom" are all described according to the drawings, and do not limit the present invention.
Example 1
The present invention will be described in further detail with reference to the accompanying drawings 1-7: a mould for making the movable core rib in the hollow floor, including mould box 1 and mould cover 2, the inner diameter of the mould cover 2 is slightly greater than the open external diameter of top of the mould box 1, used for sealing the top of the mould box 1, the cavity that the two forms is used for forming the concrete movable core rib 6; as shown in fig. 2, the top of the mold box body 1 is open to serve as a concrete inlet, the bottom of the mold box body is provided with a hole i, a pipeline i 3 is arranged along the axial direction of the hole i, the inner diameter of the hole i is consistent with that of the pipeline i 3, the height direction of the pipeline i 3 extends into the mold box body 1, and the height of the pipeline i 3 is smaller than that of the movable core rib 6, so that a groove 6-1 at the bottom of the movable core rib is formed; as shown in fig. 3, the mold cover 2 is adapted to the mold case 1, and has a hole ii formed thereon for inserting the reinforcing bar 6-2 into the mold case 1, and a pipe ii 5 is axially disposed along the hole ii, and the pipe ii 5 extends in a direction away from the mold case 1 in a height direction thereof, so as to play a role of inserting and fixing the reinforcing bar 6-2 after pouring concrete into the mold, thereby satisfying the process requirement of installing the movable core rib 6 at a later stage.
In a preferred embodiment of the present invention, the pipe I3 is coaxially disposed with the pipe II 5.
In a preferred embodiment of the present invention, a base 4 is provided at the bottom edge of the mold case 1 to form a reaction structure with the ejector 7 during the mold release, thereby preventing the mold case 1 from flying out during the mold release.
In a preferred embodiment of the present invention, the duct i 3 is integrally formed with the mold case 1, the duct ii 5 is integrally formed with the mold cover 2.
The concrete structure is as follows:
as shown in fig. 2a, the cross section of the mould box body 1 is of a special-shaped size with an upper part and a lower circle, and the middle of the bottom is provided with a hole I and a pipeline 3 for pressurizing and demoulding by a demoulding gun 7 during mould stripping; the bottom of the mould is provided with a base 4 with an edge, which can form a counter-force structure with a demoulding gun 7 when demoulding, so as to prevent the mould box body from flying out when demoulding; meanwhile, a groove 6-1 can be formed at one end of the manufactured movable core rib 6. As shown in FIG. 2b, the thickness of the material used for the cartridge is d1The net height of the inner side is H1(ii) a The length of the inner side of the upper square part is 2a, the width of the inner side of the upper square part is b, and the radius of a fillet is r; the inner radius of the lower circular part is R, R = a; diameter of the intermediate pipe being D1Height of h1，h1＜H1。
As shown in FIG. 3a, the mold cover 2 is fitted to the mold case 1, and a hole is formed in the middle of the topII and a pipeline 5 for inserting and fixing the reinforcing steel bar 6-2 in the process of manufacturing the movable core rib 6. As shown in FIG. 3b, the cover is made of a material having a thickness d2The net height of the inner side is H2(ii) a The upper square part has an inner length of 2 × (a + d)1) Width of b + d1(ii) a The inner radius of the lower circular part is R + d1(ii) a Intermediate pipe inner diameter of D2Height of h2，h2＜H2。
As shown in fig. 4-6, a process for manufacturing movable core ribs in hollow floor slabs uses the mold as described above, and includes the following steps:
(1) placing the mold box body 1;
(2) pouring concrete into the mold box 1;
(3) covering the mold cover 2;
(4) inserting a steel bar 6-2 into the hole II and the pipeline II 5;
(5) standing until the mold stripping condition is reached;
(6) pressurizing the pipeline I of the mould box body 1 by using a demoulding gun 7 to demould the movable core rib;
(7) and removing the cover of the mold to obtain the movable core rib.
As shown in fig. 7, the process of installing the movable core rib 6 into the hollow floor slab includes the following steps:
(1) placing a hollow floor slab;
(2) placing the first movable core rib (without the steel bar 6-2) into the hollow cavity of the hollow floor slab, wherein the end part with the groove faces outwards;
(3) the end part of the reinforcing steel bar 6-2 with the second movable core rib is propped against the first movable core rib and just inserted into the groove of the first movable core rib, and then the second movable core rib is pushed into the hollow cavity;
(4) repeating the step 3;
(5) and (5) finishing the installation.
As a preferable scheme of this embodiment, the outer shape of the movable core rib 6 is adapted to the inner diameter of the hollow cavity of the hollow floor slab, and the cross-sectional shape of the movable core rib 6 is not limited to the irregular size described in this embodiment, and may be circular, oval, or the like.
Example 2
A mould for making the movable core rib in the hollow floor slab, including mould cartridge and mould cover, the inside diameter of the mould cover is slightly greater than the open external diameter of top of the mould cartridge, used for sealing the top of the mould cartridge, the cavity that the two forms is used for shaping the concrete movable core rib; the top of the mould box body is provided with an opening as a concrete inlet, the bottom of the mould box body is provided with a columnar bulge along the height direction of the mould box body, and the height of the columnar bulge is smaller than that of the movable core rib and is used for forming a groove at the bottom of the movable core rib; the mould cover is matched with the mould box body, and a hole II is formed in the mould cover and used as an inlet for inserting the steel bar into the mould box body.
As the preferred scheme of this embodiment, be provided with pipeline II along the axial of hole II, the direction that the direction of height direction of pipeline II kept away from the mould box body extends, pours into the concrete back in to the mould, plays the effect of inserting and fixed reinforcing bar, satisfies the technological needs of later stage installation activity core rib.
In the process flow of manufacturing the movable core rib in the hollow floor slab, other demolding means except the demolding gun can be adopted to realize the separation of the movable core rib and the mold box body, and other process flows and the process flow of installing the movable core rib in the hollow floor slab are similar to those in embodiment 1, and are not described again here.
The above embodiments are merely preferred embodiments of the present invention, and do not limit the present invention. The last movable core rib of the hollow floor slab may have no groove or only the reinforcing steel bar may be inserted into the groove, except that the first movable core rib inserted into the hollow floor slab has no reinforcing steel bar. In addition, the length of the steel bar inserted into the mould cover is larger than or equal to the groove depth of the groove at the bottom of the mould box body. It will be understood by those skilled in the art that any extension, modification or the like made without departing from the principles of the present invention is within the scope of the present invention.
Claims (7)
1. The utility model provides a mould that is arranged in making hollow floor activity core rib which characterized in that: the concrete movable core comprises a mould box body and a mould cover, wherein an inner cavity formed by the mould box body and the mould cover is used for forming a concrete movable core rib; the top of the mould box body is provided with an opening as a concrete inlet, the bottom of the mould box body is provided with a columnar bulge along the height direction of the mould box body, and the height of the columnar bulge is smaller than that of the movable core rib and is used for forming a groove at the bottom of the movable core rib; the mould cover is matched with the mould box body, and a hole II is formed in the mould cover and used as an inlet for inserting the rigid rod-shaped piece into the mould box body.
2. The mold for manufacturing the movable core rib in the hollow floor slab as claimed in claim 1, wherein: be provided with pipeline II along the axial of hole II, the direction of height direction of pipeline II is kept away from the direction extension of mould box body.
3. The mold for manufacturing the movable core rib in the hollow floor slab as claimed in claim 1, wherein: the columnar bulge is coaxial with the hole II.
4. A mould for making movable core ribs in hollow floor slabs according to any one of claims 1 to 3, wherein: the protruding inside hollow structure that is of column, correspond the position on the mould box body with it and seted up hole I, hole I and the protruding intercommunication of column form pipeline I, I internal diameter of pipeline and the adaptation of rigid rod-like piece.
5. The mold for manufacturing the movable core rib in the hollow floor slab as claimed in claim 4, wherein: the edge of the bottom of the mold box body is provided with a base structure for forming a counter-force structure with the demolding gun during demolding.
6. The mold for manufacturing the movable core rib in the hollow floor slab according to claim 2, wherein: the pipeline I and the mould box body, the pipeline II and the mould cover are integrally formed.
7. The mold for manufacturing the movable core rib in the hollow floor slab as claimed in claim 1, wherein: the inner diameter of the mold cover is larger than the outer diameter of the opening at the top of the mold box body, and the mold cover is used for sealing the top of the mold box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022686276.3U CN214419115U (en) | 2020-11-19 | 2020-11-19 | Die for manufacturing movable core rib in hollow floor slab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022686276.3U CN214419115U (en) | 2020-11-19 | 2020-11-19 | Die for manufacturing movable core rib in hollow floor slab |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214419115U true CN214419115U (en) | 2021-10-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022686276.3U Active CN214419115U (en) | 2020-11-19 | 2020-11-19 | Die for manufacturing movable core rib in hollow floor slab |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214419115U (en) |
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2020
- 2020-11-19 CN CN202022686276.3U patent/CN214419115U/en active Active
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