CN111424980A - Device for directionally distributing steel fibers and application thereof - Google Patents
Device for directionally distributing steel fibers and application thereof Download PDFInfo
- Publication number
- CN111424980A CN111424980A CN202010181321.1A CN202010181321A CN111424980A CN 111424980 A CN111424980 A CN 111424980A CN 202010181321 A CN202010181321 A CN 202010181321A CN 111424980 A CN111424980 A CN 111424980A
- Authority
- CN
- China
- Prior art keywords
- steel fibers
- directionally
- steel
- glass plate
- fibers
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/38—Fibrous materials; Whiskers
- C04B14/48—Metal
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention relates to the field of buildings, and discloses a device for directionally distributing steel fibers, which is used for directionally distributing the steel fibers in cement paste and comprises: glass plate, its top surface is used for placing steel fibre: the magnet block is positioned below the glass plate and used for uniformly and directionally distributing the steel fibers; and the clamping piece is used for moving the directionally distributed steel fibers into the cement paste. When the steel fibers are placed near the magnets, the steel fibers can be directionally arranged along the direction of the magnetic induction lines under the action of a magnetic field force, and meanwhile, the steel fibers can be magnetized in the magnetic field to form a steel fiber with magnetism, and the steel fibers on the same column are mutually attracted due to the action of magnetic poles, so that the directional continuity of the arrangement of the steel fibers is ensured. The steel fibers on different rows repel each other due to the action of magnetic poles, and the repelling forces are basically the same because the specifications of the fibers are consistent, so that the distances between the steel fibers on different rows are approximately the same, and the tensile property and the toughening effect of the steel fiber reinforced cement-based material are improved.
Description
Technical Field
The embodiment of the invention relates to the field of buildings, in particular to a device for directionally distributing steel fibers and application thereof.
Background
The steel fiber with higher doping amount is doped into the concrete, so that the ultra-high performance concrete can be prepared, the ultra-high performance concrete has excellent mechanical properties, and the mechanical properties such as bending resistance, tensile resistance, shearing resistance, fracture toughness and the like of the ultra-high performance concrete are obviously higher than those of the traditional reinforced concrete. Relevant researches show that the volume mixing amount and the directional coefficient of the steel fibers in the concrete are important factors influencing the performance of the concrete. In addition, the uniform distribution form of the steel fibers can also obviously improve the flexural strength and the compressive strength of the concrete and the cement mortar and effectively improve the impact resistance.
There is currently no practical and effective solution for uniform directional distribution of steel fibers. In actual engineering, steel fibers are generally directly doped into concrete or cement mortar, and then are uniformly dispersed by stirring, but the steel fibers are easy to agglomerate and disorderly distributed in slurry, so that the tensile property and the toughening effect of the steel fibers are obviously reduced.
In the prior art, uniform magnetic fields are adopted to realize the directional distribution of steel fibers in concrete, but the steel fibers on the lower layer are difficult to be directionally arranged due to the influence of the pressure of the concrete on the upper layer, and the steel fibers are downward settled by gravity to cause the uneven distribution of the upper layer and the lower layer of the fibers, so that the method can only be suitable for the single-layer steel fiber distribution design, and has poor effect on the concrete which usually needs three-dimensional and multi-layer fibers.
Disclosure of Invention
The device for directionally distributing the steel fibers and the application thereof can directionally and uniformly distribute the steel fibers, and install the directionally and uniformly distributed steel fibers in cement paste, thereby improving the tensile property and the toughening effect of the steel fibers.
The embodiment of the invention provides a device for directionally distributing steel fibers, which is used for directionally installing the steel fibers in cement paste. An apparatus for directionally distributing steel fibers comprising: the top surface of the glass plate is used for placing steel fibers; the magnet block is positioned below the glass plate and used for uniformly and directionally distributing the steel fibers; and the clamping piece is used for moving the directionally distributed steel fibers into the cement paste.
The device for directionally distributing the steel fibers provided by the invention can also be characterized in that the magnet block comprises: a mounting plate, the bottom surface of which is provided with a handle; and at least one magnet mounted on the top surface of the mounting plate.
The device for directionally distributing the steel fibers provided by the invention can also be characterized in that the magnet is in a cuboid shape, and the width of the cuboid is larger than the length of the steel fibers.
The device for directionally distributing steel fibers provided by the invention can also be characterized in that the magnet is a neodymium magnet or an electromagnet.
The device for directionally distributing the steel fibers provided by the invention can also be characterized in that the clamping piece comprises: the rubber pad is provided with a plurality of stripe grooves on the surface, and the bottom of each stripe groove is provided with a through hole; and the inner cavity of the air bag type sucker is communicated with the outside through the through hole.
The device for directionally distributing the steel fibers provided by the invention can also be characterized in that a plurality of support legs are arranged on the bottom surface of the glass plate.
The application of the device for directionally distributing the steel fibers, which is used for placing the steel fibers in the cement paste, comprises the following steps:
Step 1, dispersing steel fibers on the surface of a glass plate;
And 4, moving the steel fibers to the surface of the cement paste, and placing the steel fibers in the cement paste.
Action and Effect of the invention
The device for directionally distributing the steel fibers comprises a glass plate, a glass plate and a guide rail, wherein the glass plate is used for containing the steel fibers; the magnet block is positioned below the glass plate and used for uniformly and directionally distributing the steel fibers on the top surface of the glass plate; and the clamping piece is used for moving the directionally distributed steel fibers into cement paste, the steel fibers on the top surface of the glass plate are uniformly directionally distributed through the magnet blocks before the steel fibers are installed, then the steel fibers are grabbed through the clamping piece, and finally the steel fibers are moved to the surface of the cement paste, so that the device can uniformly directionally and quickly install the steel fibers into the cement paste, and the tensile property and the toughness of the formed cement paste can be improved.
Drawings
FIG. 1 is a schematic view of the overall structure of an apparatus for directionally distributing steel fibers according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a magnet block according to an embodiment of the present invention;
Fig. 3 is a schematic view of a clamping member according to an embodiment of the invention.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is specifically described below by combining the embodiment and the attached drawings.
< example >
Fig. 1 is a schematic view of the overall structure of an apparatus for directionally distributing steel fibers according to an embodiment of the present invention.
As shown in fig. 1 to 3, the present embodiment provides a device for directionally distributing steel fibers, which is used to directionally distribute the steel fibers in cement slurry. An apparatus 100 for directionally distributing steel fibers comprising: glass plate 1, magnet block 2 and clamp 3.
The glass plate 1 is used for placing steel fibers. The thickness of the glass plate 1 was 5 mm. The thickness of the glass plate 1 is related to the magnetic force of the magnet block 2, and the stronger the magnetic force of the magnet block 2, the thicker the thickness of the glass plate 1. To prevent the steel fibers from falling off the glass plate 1, a ring of adhesive tape may be attached to the edge of the top surface of the glass plate 1. Four support legs are arranged on the bottom surface of the glass plate 1, wherein the height of the support legs is adapted to the height of the user, in the embodiment, the height of the support legs is 1.4 m.
Fig. 2 is a schematic view of a magnet block according to an embodiment of the present invention.
As shown in fig. 2, the magnet block 2 includes a mounting plate 201 and at least one magnet 202. The mounting plate 201 is made of metal material iron, and a handle is mounted on the bottom surface of the mounting plate 201, so that a user can move the mounting plate 201 conveniently. In order to uniformly distribute the steel fibers, the magnet 202 in this embodiment has a rectangular parallelepiped shape with a width greater than the length of the steel fibers. The magnets are neodymium magnets or electromagnets, and the neodymium magnets are selected in the embodiment and can be used for orderly arranging the steel fibers through self magnetic force, so that the applicability of the device for directionally distributing the steel fibers can be improved. The magnet 202 is mounted on the top surface of the mounting plate by magnetic force. In order to improve the working efficiency of a device for directionally distributing steel fibers, a plurality of magnets can be uniformly installed side by side on the top surface of a mounting plate. In this embodiment, the number of the magnets 202 is 4, and each of the magnets is a neodymium bar magnet, and each of the neodymium bar magnets has a length of 50mm, a width of 10mm, and a thickness of 2 mm. 4 neodymium magnets of the bar type were adsorbed in parallel to form a magnet block having a length of 50mm, a width of 40mm and a thickness of 2 mm.
Fig. 3 is a schematic view of a clamping member according to an embodiment of the invention.
As shown in fig. 3, the holder 3 includes a bladder type suction cup 301 and a rubber pad 302. The surface of the rubber pad 302 has a plurality of stripe grooves for accommodating steel fibers, the length of the stripe grooves is greater than that of the steel fibers, and the bottom of each stripe groove has a through hole. The air bag type sucker 301 is a hollow semi-cylinder and is tightly bonded with the rubber pad 302, and the inner cavity of the air bag type sucker is communicated with the outside through the through hole. The air bag type suction cup 301 is pressed and released by hand, and the rubber pad 302 generates repulsion and suction to the steel fiber under the action of the air flow of the through hole.
The method for placing the steel fibers in the cement slurry by the device for directionally distributing the steel fibers, provided by the embodiment, comprises the following steps of:
Step 1, dispersing steel fibers on the surface of a glass plate 1, wherein the steel fibers are 50g in mass, 6mm in length and 0.12mm in diameter;
And 4, moving the steel fibers to the surface of the cement paste, and extruding the air bag type suction disc 301, so that the steel fibers are uniformly and directionally placed in the cement paste.
Effects and effects of the embodiments
The device for directionally distributing the steel fibers comprises a glass plate, a steel fiber guiding plate and a steel fiber guiding plate, wherein the glass plate is provided with a glass plate, and the top surface of the glass plate is used for placing the steel fibers; the magnet block is positioned below the glass plate and used for uniformly and directionally distributing the steel fibers on the top surface of the glass plate; and the clamping piece is used for moving the directionally distributed steel fibers into cement paste, the steel fibers on the top surface of the glass plate are uniformly directionally distributed through the magnet blocks before the steel fibers are installed, then the steel fibers are grabbed through the clamping piece, and finally the steel fibers are moved to the surface of the cement paste, so that the device can uniformly directionally and quickly install the steel fibers into the cement paste, and the tensile property and the toughness of the formed cement paste can be improved.
Further, in the device for directionally distributing the steel fibers, provided by the invention, the magnet is in a cuboid shape, and the width of the magnet is larger than the length of the steel fibers, so that the steel fibers are conveniently and uniformly distributed.
Further, in the device for directionally distributing the steel fibers, which is provided by the invention, the magnet block is composed of four same magnets, so that the steel fibers in the same column are mutually attracted due to the magnetic pole action, and the directional continuity of the arrangement of the steel fibers is ensured. The steel fibers on different rows repel each other due to the action of magnetic poles, and the repulsive forces are basically the same due to the consistent fiber specifications, so that the steel fibers on different rows can have approximately the same fiber spacing, and the effect of uniform distribution of the steel fibers is achieved.
Further, in the device for directionally distributing the steel fibers, which is provided by the invention, because the mounting plate is made of a ferrous material, the magnets can be mounted on the mounting plate through magnetic force, and therefore, the magnets are convenient for a user to detach.
The above embodiments are preferred examples of the present invention, and are not intended to limit the scope of the present invention.
Claims (7)
1. A device for directionally distributing steel fibers, which is used for directionally installing the steel fibers in cement paste, is characterized by comprising:
A glass plate, the top surface of which is used for placing the steel fiber;
The magnet block is positioned below the glass plate and used for uniformly and directionally distributing the steel fibers on the top surface of the glass plate; and
A clamp for moving the directionally distributed steel fibers into the cement slurry.
2. The device for directionally distributing steel fibers according to claim 1, wherein:
Wherein the magnet block includes:
A mounting plate, the bottom surface of which is provided with a handle; and
At least one magnet mounted on the top surface of the mounting plate.
3. The device for directionally distributing steel fibers according to claim 2, wherein:
Wherein, the magnet is the cuboid, and its width is greater than steel fiber's length.
4. The device for directionally distributing steel fibers according to claim 2, wherein:
Wherein, the magnet is neodymium magnet or electromagnet.
5. The device for directionally distributing steel fibers according to claim 1, wherein:
Wherein, the holder includes:
The rubber pad is provided with a plurality of stripe grooves on the surface, and a through hole is formed in the bottom of each stripe groove; and
And the inner cavity of the air bag type sucker is communicated with the outside through the through hole.
6. The device for directionally distributing steel fibers according to claim 1, wherein:
Wherein, a plurality of stabilizer blades are installed to the bottom surface of glass board.
7. Use of a device for the directional distribution of steel fibres according to any one of claims 1 to 6, characterised in that it comprises the following steps:
Step 1, dispersing steel fibers on the surface of a glass plate;
Step 2, moving the magnet block on the bottom surface of the glass plate, so that the steel fibers are uniformly and directionally distributed on the top surface of the glass plate according to the direction of the magnetic induction line of the magnet block;
Step 3, clamping the uniformly distributed steel fibers through a clamping piece;
And 4, moving the steel fibers to the surface of the cement paste, and placing the steel fibers in the cement paste.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010181321.1A CN111424980A (en) | 2020-03-16 | 2020-03-16 | Device for directionally distributing steel fibers and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010181321.1A CN111424980A (en) | 2020-03-16 | 2020-03-16 | Device for directionally distributing steel fibers and application thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111424980A true CN111424980A (en) | 2020-07-17 |
Family
ID=71553525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010181321.1A Pending CN111424980A (en) | 2020-03-16 | 2020-03-16 | Device for directionally distributing steel fibers and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111424980A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112692960A (en) * | 2020-12-25 | 2021-04-23 | 重庆建工建材物流有限公司 | Steel fiber mixed arrangement system for ultra-high performance concrete |
| CN112832128A (en) * | 2021-02-24 | 2021-05-25 | 安徽省公路桥梁工程有限公司 | Construction method for vibrating and leveling steel fiber concrete for reinforcing bridge deck |
| CN113547607A (en) * | 2021-07-22 | 2021-10-26 | 河北工业大学 | Device for preparing 3D printing oriented steel fiber reinforced cement-based composite material |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101913190A (en) * | 2010-07-23 | 2010-12-15 | 河北工业大学 | Method and special equipment for preparing unidirectionally-distributed steel fiber reinforced cement paste |
| CN106083188A (en) * | 2016-06-16 | 2016-11-09 | 浙江大学 | A kind of steel fiber reinforced concrete be magnetically oriented method |
| CN208197093U (en) * | 2018-05-25 | 2018-12-07 | 深圳大学 | The preparation facilities of fiber alignment distributed fibers enhancing ultra-high performance concrete |
| CN110216776A (en) * | 2019-05-31 | 2019-09-10 | 河海大学 | A kind of steel fibre oriented alignment device and steel fiber reinforced concrete production method |
| CN110802738A (en) * | 2019-11-22 | 2020-02-18 | 佛山科学技术学院 | Device for directionally adding steel fibers into concrete |
-
2020
- 2020-03-16 CN CN202010181321.1A patent/CN111424980A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101913190A (en) * | 2010-07-23 | 2010-12-15 | 河北工业大学 | Method and special equipment for preparing unidirectionally-distributed steel fiber reinforced cement paste |
| CN106083188A (en) * | 2016-06-16 | 2016-11-09 | 浙江大学 | A kind of steel fiber reinforced concrete be magnetically oriented method |
| CN208197093U (en) * | 2018-05-25 | 2018-12-07 | 深圳大学 | The preparation facilities of fiber alignment distributed fibers enhancing ultra-high performance concrete |
| CN110216776A (en) * | 2019-05-31 | 2019-09-10 | 河海大学 | A kind of steel fibre oriented alignment device and steel fiber reinforced concrete production method |
| CN110802738A (en) * | 2019-11-22 | 2020-02-18 | 佛山科学技术学院 | Device for directionally adding steel fibers into concrete |
Non-Patent Citations (1)
| Title |
|---|
| 孟祥锋: "《焊接检验技术》", 31 March 2016 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112692960A (en) * | 2020-12-25 | 2021-04-23 | 重庆建工建材物流有限公司 | Steel fiber mixed arrangement system for ultra-high performance concrete |
| CN112832128A (en) * | 2021-02-24 | 2021-05-25 | 安徽省公路桥梁工程有限公司 | Construction method for vibrating and leveling steel fiber concrete for reinforcing bridge deck |
| CN113547607A (en) * | 2021-07-22 | 2021-10-26 | 河北工业大学 | Device for preparing 3D printing oriented steel fiber reinforced cement-based composite material |
| CN113547607B (en) * | 2021-07-22 | 2023-02-24 | 河北工业大学 | Device for preparing 3D printing oriented steel fiber reinforced cement-based composite material |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111424980A (en) | Device for directionally distributing steel fibers and application thereof | |
| CN110216776B (en) | Steel fiber directional arrangement device and steel fiber concrete manufacturing method | |
| US20160123501A1 (en) | Dovetail cable clip | |
| CN111216242A (en) | Flat magnetic field orienting device and method for preparing unidirectional orienting steel fiber concrete | |
| CN102514937A (en) | Sucking and releasing device for light metal net-shaped articles | |
| CN113927730B (en) | Device and method for manufacturing tensile light-transmitting concrete | |
| CN204645128U (en) | A kind of crushing appliance | |
| CN111483035A (en) | Preparation method of directionally distributed steel fiber reinforced cement stone plate | |
| CN104986552A (en) | Quick and batch arranging device for magnetic cores | |
| CN213563879U (en) | Polymer casting forming die | |
| CN107717586A (en) | A kind of array-type permanentmagnet suction cup | |
| CN214925525U (en) | Grouting frame suitable for different half grouting sleeve test pieces | |
| CN214302887U (en) | Template anchor clamps for construction | |
| CN217801614U (en) | Supporting tool for stacking steel plates | |
| CN204112243U (en) | The pre-stress stretching device that a kind of Near Surface Mounted muscle is reinforced | |
| CN214996544U (en) | Iron tower reinforcing device for ultrahigh-voltage transmission line | |
| CN216735903U (en) | Hand-held type magnetic shoe transport anchor clamps | |
| CN110983918A (en) | Device for guaranteeing dense flatness in construction of irregular concrete road | |
| CN113770941A (en) | Permanent magnet locking device | |
| CN218896515U (en) | Rare earth NdFeB permanent magnet | |
| CN220753169U (en) | Novel magnet with changeable magnetic poles | |
| CN218465312U (en) | Metal winding hoisting device | |
| CN211225329U (en) | Automatic reed pipe sequencing device | |
| CN201855736U (en) | Magnetic cylinder | |
| CN212151536U (en) | Bucket elevator with stable structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200717 |