CN102182304B - Positioning structure for fixing T-shaped steel via magnetic force - Google Patents
Positioning structure for fixing T-shaped steel via magnetic force Download PDFInfo
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- CN102182304B CN102182304B CN 201110097876 CN201110097876A CN102182304B CN 102182304 B CN102182304 B CN 102182304B CN 201110097876 CN201110097876 CN 201110097876 CN 201110097876 A CN201110097876 A CN 201110097876A CN 102182304 B CN102182304 B CN 102182304B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 62
- 239000010959 steel Substances 0.000 title claims abstract description 62
- 238000004080 punching Methods 0.000 claims abstract description 39
- 238000005266 casting Methods 0.000 claims description 9
- 238000001179 sorption measurement Methods 0.000 claims description 6
- YLQBMQCUIZJEEH-UHFFFAOYSA-N Furan Chemical group C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 5
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 12
- 230000008901 benefit Effects 0.000 abstract description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 abstract 1
- 239000002002 slurry Substances 0.000 abstract 1
- 230000005389 magnetism Effects 0.000 description 7
- 230000005415 magnetization Effects 0.000 description 7
- 230000005347 demagnetization Effects 0.000 description 6
- 239000000696 magnetic material Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000006698 induction Effects 0.000 description 4
- 229910000859 α-Fe Inorganic materials 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- WOIHABYNKOEWFG-UHFFFAOYSA-N [Sr].[Ba] Chemical compound [Sr].[Ba] WOIHABYNKOEWFG-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910000828 alnico Inorganic materials 0.000 description 1
- -1 aluminium nickel cobalt Chemical compound 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention relates to the technical field of dies in T-shaped beam pouring, in particular to a positioning structure for fixing T-shaped steel via a magnetic force. The positioning structure relates to the positioning of the T-shaped steel in a steel die in the T-shaped beam pouring and is characterized in that: a magnetic box which is capable of generating a magnetic field or changing the direction of the magnetic field is fixedly connected outside the steel die; and the bottom of the magnetic box is attached to local surface of the exposed part of a web of the T-shaped steel. The positioning structure has the advantages of: positioning and fixing the T-shaped steel and the steel die through arranging the magnetic box and utilizing the principle that magnets attract ferrous materials without punching, effectively preventing slurry leakage, protecting the rigidity and the appearance of the steel die, and being simpler in operation and convenient for die removal.
Description
Technical field
The present invention relates to technical field of mold in the T beam casting and constructing, be specifically related to the fixedly location structure of T steel of a kind of magnetic force.
Background technology
At present in the punching block casting and constructing, usually with bolts between punching block and T steel, both at punching block several bolts hole were set, the corresponding punching block of T steel position is also mated bolt hole is set, and by bolt punching block and T steel is fixed together.Although this fixed form is firm, destroyed the stiffness of punching block, operate also more complicated, easy spillage, form removal is extremely inconvenient, also affects outward appearance simultaneously.
Summary of the invention
The objective of the invention is according to above-mentioned the deficiencies in the prior art part, the fixedly location structure of T steel of a kind of magnetic force is provided, this location structure passes through in punching block arranged outside one magnetic box, utilize the principle of magnet magnetic irony object, need not punch can make locate by magnetic force between T steel and the punching block fixing.
The object of the invention realizes being finished by following technical scheme:
A kind of location structure of fixing T steel through magnetic force, described location structure relates to the location of T steel in punching block in the T beam casting and constructing, it is characterized in that: the described punching block outside is fixedly connected with to be provided with and can produces the magnetic box that magnetic field maybe can change magnetic direction, fits between the local surfaces of the web exposed parts of described magnetic box bottom and described T steel.
Described punching block is provided with the groove that a part is equipped with described T steel on the surface, and the shape of the shape of described groove and described T steel and described punching block contact surface matches.
Described magnetic box reaches the core body of being located at turnably described enclosure interior by a housing and consists of, described housing one side is fixedly connected with described punching block, described housing is the Kazakhstan furan structure that two magnetic conduction halfbodies constitute, between described two magnetic conduction halfbodies by be located at two of its end not the magnetic conduction spacer block be connected and fixed, described two not between the magnetic conduction spacer block line perpendicular to the web of described T steel; Described core body is turned by a magnet and the magnetic conduction that is symmetrically fixed on the described magnet two magnetic poles outside and is consisted of, and two described magnetic conductions are turned by described magnet interval, described magnetic conduction turn have with the cambered surface of the cavity coupling of described housing and and housing fit tightly.
Described enclosure interior has the cylindrical shape cavity.
Described magnet is equipped with a rotating shaft that axially arranges outward in described magnetic box cavity.
The local surfaces of described magnetic box can become the magnetic-adsorption surface, fits between the local surfaces of described magnetic-adsorption surface and T steel web exposed parts.
Described magnetic box comprises that one is provided with the rotary fixing device of magnet and the base of a soft magnetism material, and described rotary fixing device is arranged at the punching block outside turnably so that the pole pair of described magnet should described base and magnetic pole of making its magnetization consist of described magnetic-adsorption surface/described magnet departs from described base and demagnetize.
Described base two ends vertically are connected with respectively affixed side plate vertical with described punching block, and described two side plates are hinged respectively in described rotary fixing device end.
Advantage of the present invention is: by a magnetic box is set, utilize the principle of magnet magnetic iron material, need not punch, can make locate by magnetic force between T steel and the punching block fixing, effective mortar leakage prevention, do not destroy simultaneously stiffness and the image appearance of punching block, and operation is comparatively simple, makes things convenient for form removal.
Description of drawings
Fig. 1 is the structure chart of location structure under the magnetic box starting state in the embodiment of the invention 1;
Fig. 2 is the structure chart of location structure under the magnetic box closed condition in the embodiment of the invention 1;
Fig. 3 is the structure chart of location structure under the magnetic box starting state in the embodiment of the invention 2;
Fig. 4 is the structure chart of location structure under the magnetic box closed condition in the embodiment of the invention 2;
Fig. 5 is the structure chart of location structure in the embodiment of the invention 3;
Fig. 6 is vibrating head frequency curve chart of the present invention.
The specific embodiment
Referring to figs. 1 through Fig. 6, specifically describe as follows to the location structure of a kind of fixing T steel through magnetic force of the present invention:
, always represent respectively with reference to label to shown in Figure 6 such as Fig. 1: punching block 1, groove 11, hole 12, magnetic box 2, box body 21, magnet 23, base 24, magnetic switch 25, housing 26, magnetic conduction halfbody 261, magnetic conduction halfbody 262, non-magnetizer 263, non-magnetizer 264, core body 27, magnetic conduction turn 271, magnetic conduction is turned 272, magnet 273, rotating shaft 274, electromagnet 275, Switching Power Supply 276, T steel 3, web 31.
Location structure described in the present embodiment relates generally to the stationary positioned of 3 of punching block 1 in the bridge casting and constructing and T steel.Wherein, offer the hole 12 with the web form fit of T steel 3 on the punching block 1, T steel 3 is at patchhole 12 and finish the stationary positioned that had both realized himself after fixing.Simultaneously, offer a groove 11 near 12 places, hole on punching block 1, the shape of this groove 11 and T steel 3 match with punching block 1 joint place shape, are fastened in the groove 11 when making T steel 3 patchhole 12.Fixedly realizing by magnetic force fixed device between punching block 1 and the T steel 3 below is described in detail for location structure by two embodiment:
Embodiment 1:
Referring to Fig. 1-2, in the present embodiment 1, magnetic force fixed device is a magnetic box 2.This magnetic box 2 is made of a box body 21, a rotary fixing device, a magnet 23 and a magnetic switch 25.Wherein, magnet 23 can be strip or columned permanent magnetic iron.Box body 21 is fixedly welded on T steel 3 outsides near 12 places, hole, and when T steel 3 inserted punching block 1, the one side of box body 21 was fitted with the web 31 of T steel 3, and the one side of fitting with T steel 3 on this box body 21 is the base 24 of magnetic box 2.The material of base 24 is soft magnetic materials, so-called soft magnetic materials, the magnetic material that had both had low-coercivity for magnetic induction intensity and magnetic polarization intensity, can realize the maximum intensity of magnetization with minimum external magnetic field, be easy to magnetization, also be easy to demagnetization, such as ferro-silicium (silicon steel sheet) and various soft magnetic ferrites etc.Rotary fixing device is rotating to be fixedly installed on respectively on two side plates of box body 21, two side plates are vertically set on the base 24, magnetic switch 25 is installed in the side plate outside and is connected with rotary fixing device one end, magnet 23 middle parts are fixedly installed on the rotary fixing device, rotation magnetic force switch 25 driven rotary fastening devicess and magnet 23 are in box body 21 interior rotations, so that the magnetic pole of magnet 23 is close or away from base 24, make it magnetization or demagnetization.
With reference to figure, 1, Fig. 2, when using magnetic force fixed device, the outside that first magnetic box 2 is welded on punching block 1 is near 12 places, hole, and makes base 24 adjacent bores 12, before the cast with T steel 3 patchholes 12 and web 31 is fastened in the groove 11, rotation magnetic force switch 25 is to opening state, then the magnetic pole of magnet 23 (one of the N utmost point or S utmost point) will corresponding and magnetic basement 24, produces strong magnetic force, thereby web 31 absorption of T steel 3 are fixing.During the moulding by casting form removal, the action that repeats out rotates magnetic switch 25 to off status, then the magnetic pole of magnet 23 departs from base 24 until parallel, because the magnetic line of force of magnet 23 concentrates on the two poles of the earth, and the middle part magnetic line of force is relatively sparse, base 24 demagnetizations this moment, the magnetic force of absorption T steel 3 weakens, thus easily form removal.It should be noted that: the term that uses in present specification: " demagnetization " is defined as meaning when magnet 23 middle parts during corresponding to base 24 hereby, and base 24 is not magnetized and state that magnetic force weakens substantially, but not the state that loses magnetism fully.
Because the magnet of different size 23 can produce different magnetic force inductions, specifications parameter for magnet 23 required for the present invention describes, after T steel 3 is arrived punching block 1 by magnetic-adsorption, for not so that its in casting process, vibrated, the position is offset, perhaps drop, will make magnetic force (antivibration power) greater than suffered external force in the casting process.
Location structure in the present embodiment, in the planeness of guaranteeing punching block 1 and T steel 3 self, under the prerequisite of verticality, mainly utilized the very very weak and soft magnetic materials easy magnetization in magnetic field between persistent erection of magnet 23 two-stage magnetic fields, easily demagnetization also can realize with minimum external magnetic field the characteristics of the maximum intensity of magnetization, installation personnel only need to be put into T steel 3 groove 11 of punching block 1, open the magnetic switch 25 on the magnetic box 2, what T steel 3 just can be realized atresia is fixed on punching block 1, can effectively make things convenient for and install and mortar leakage prevention, shut magnetic switch 25 during dismounting and just can easily dismantle punching block 1, thereby greatly reduced the labour intensity that mounts and dismounts punching blocks 1.
Embodiment 2:
Shown in Fig. 3-4, in the present embodiment 2, magnetic box 2 has the core bodys 27 that the housing 26 of cylindrical shape cavity and movable be set in the housing 26 by an inside and consists of.Wherein, housing 26 is for having the Kazakhstan furan structure of rectangular-shaped external form, constituted by magnetic conduction halfbody 261,262 and two non-magnetizers 263,264.Two grooves that magnetic conduction halfbody 261,262 inboards all have circular arc, the end of this groove upper and lower projection are the end face in the furan structure of common Kazakhstan, and two magnetic conduction halfbodies 261,262 ends are fixedly connected with by two non-magnetizers 263,264 and are integrally formed.This breathes out furan structure split surface perpendicular to the web 31 of described T steel 3.Described core body 27 is turned by a magnet 273 and the magnetic conduction that is symmetrically fixed on 273 liang of magnetic poles of described magnet outside and 271,272 is consisted of, two 271,272 cambered surfaces that have with the cylindrical shape cavity of described housing 26 coupling of turning, be equipped with rotating shaft 274 in the magnet 273, its effect is identical with rotary fixing device 22 among the embodiment 1, does not repeat them here.
In conjunction with the said apparatus structure, below be described in detail for the operating principle of embodiment 2 magnetic box:
Referring to Fig. 3, because non-magnetizer 263 that non-magnet material consist of and non-magnetizer 264 with magnetic conduction halfbody 262 intercept magnetic conduction halfbody 261 come when working for magnet 273 this moment.So when magnetic circuit from magnet 273 left sides out the time, through magnetic conduction halfbody 261, non-magnetizer 263(non-magnetizer 264) to magnetic conduction halfbody 262, the magnetic resistance of getting back to magnet 273 the right magnetic poles will be far longer than magnetic circuit for from magnet 273 left sides out, turn 271 through magnetic conduction, magnetic conduction halfbody 261 is to web 31, arrive again magnetic conduction halfbody 262, magnetic conduction 272 magnetic resistance of getting back to magnet 273 the right of turning.So most of magnetic line of force is all from magnet 273-magnetic conduction 271-magnetic conduction halfbody 261-web 31-magnetic conduction halfbody 262-magnetic conduction 272-magnet 273 these magnetic circuit processes of turning of turning, thereby the T steel is produced magnetic force.
When magnetic switch was threaded to off status, rotating shaft 274 band moving magnets 273, magnetic conduction turned 271, magnetic conduction is turned 272 rotations, and magnetic box situation inside as shown in Figure 4.A magnetic circuit part from magnet 273 tops out turns 271 through magnetic conduction, magnetic conduction halfbody 261, magnetic conduction is turned and 272 is got back to magnet 273 bottoms, and some from magnet 273 tops out turns 271 through magnetic conduction, magnetic conduction halfbody 262, magnetic conduction are turned and 272 are got back to magnet 273 bottoms.So do not have the magnetic line of force to pass through from web 31 this moment, and web 31 is not produced magnetic force.
Embodiment 3:
Referring to Fig. 5, magnetic box 2 structure fundamental sum embodiment 1 are identical in the present embodiment, has equally the base 24 that easily is magnetized, its difference is permanent magnet and whirligig have been replaced to electromagnet 275, electromagnet 275 is fixed in the box body 21, start generation magnetic field by Switching Power Supply 276, make base 24 magnetization or demagnetization, also can reach the effect of above-mentioned magnet 23 magnetic location.This kind structure mainly can be applicable in the heavy steel member, especially when permanent magnet can not satisfy requiring of magnetic force.
For the connection location structure of above three kinds of embodiment, being calculated as follows of its bonding strength:
Commonly used is the 50ZN vibrating head, and frequency is that 200HZ, amplitude are 1mm, weight 5kg.
Frequency curve chart with reference to vibrating head among Fig. 6:
When at I and II, the acceleration of gravity of vibrating head is 0 (m/s),
T=I/f
1/4×T=1/4×1/200=1/800(s)
I
During II, according to the conservation of energy
m×g×H=1/2mv2
v=(2×g×H)^0.5=0.14(m/s)
II
During III, according to the conservation of momentum
m×v=F×t t=1/4×T
F=m×v/t=5×0.14/1/800=560(N)
Vibration bastinade average power on object is 560N (57.1kg);
So total stressed F=(57.1+16+17) * 9.8=882.98 (N)
Calculation of magnetic force:
F is magnetic force, gets 883 (N)
B is that permanent magnet surfaces remanent magnetism (unit: the T of tesla), can get following several, and the difference according to material decides S by the material of B;
Draw through tabling look-up and to meet permanent magnet surfaces remanent magnetism traditional material:
The material remanent magnetism of aluminium nickel cobalt is (strontium ferrite 0.8-1.4) T;
The material remanent magnetism of barium strontium ferrite is (0.2-0.44) T;
The novel alloy material;
B: get temporarily 0.7(T)
S is the SU: ㎡ of contact,
Draw as calculated S ≈ 0.003 (㎡)
Can adjust description of materials according to the size of contact area.
Saturation induction density Bs ≈ 1.25(T)
Saturation induction density Bs so〉permanent magnet surfaces remanent magnetism B, can obtain conclusion thus: when between the two magnetic force for 0.7 (T), both can use.
Above specific embodiments of the invention are described in detail, but it is as example, the present invention is not restricted to specific embodiment described above.
Claims (5)
1. the location structure of a fixing T steel through magnetic force, described location structure relates to the location of T steel in punching block in the T beam casting and constructing, it is characterized in that: the described punching block outside is fixedly connected with to be provided with and can produces the magnetic box that magnetic field maybe can change magnetic direction, fit between the local surfaces of the web exposed parts of described magnetic box bottom and described T steel, described magnetic box mainly reaches the core body of being located at turnably described enclosure interior by a housing and consists of, described housing one side is fixedly connected with described punching block, described housing is the Kazakhstan furan structure that two magnetic conduction halfbodies constitute, between described two magnetic conduction halfbodies by be located at two of its end not the magnetic conduction spacer block be connected and fixed, described two not between the magnetic conduction spacer block line perpendicular to the web of described T steel; Described core body is mainly turned by a magnet and the magnetic conduction that is symmetrically fixed on the described magnet two magnetic poles outside and is consisted of, and two described magnetic conductions are turned by described magnet interval, described magnetic conduction turn have with the cambered surface of the cavity coupling of described housing and and housing fit tightly.
2. the location structure of a kind of fixing T steel through magnetic force according to claim 1, it is characterized in that: described punching block is provided with the groove that a part is equipped with described T steel on the surface, and the shape of the shape of described groove and described T steel and described punching block contact surface matches.
3. the location structure of a kind of fixing T steel through magnetic force according to claim 1, it is characterized in that: described enclosure interior has the cylindrical shape cavity.
4. the location structure of a kind of fixing T steel through magnetic force according to claim 1 is characterized in that: described magnet is equipped with a rotating shaft that axially arranges outward in described magnetic box cavity.
5. the location structure of a kind of fixing T steel through magnetic force according to claim 1, it is characterized in that: the local surfaces of described magnetic box can become the magnetic-adsorption surface, fits between the local surfaces of described magnetic-adsorption surface and T steel web exposed parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110097876 CN102182304B (en) | 2011-04-19 | 2011-04-19 | Positioning structure for fixing T-shaped steel via magnetic force |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110097876 CN102182304B (en) | 2011-04-19 | 2011-04-19 | Positioning structure for fixing T-shaped steel via magnetic force |
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| CN102182304A CN102182304A (en) | 2011-09-14 |
| CN102182304B true CN102182304B (en) | 2013-03-27 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106373752A (en) * | 2016-11-17 | 2017-02-01 | 贵州栢通科技有限责任公司 | Low-voltage winding of dry type transformer |
| CN109958042A (en) * | 2017-12-23 | 2019-07-02 | 蒋芳荣 | A kind of fixed device of road shoulder wall concrete-pouring template |
| CN111519542A (en) * | 2020-05-11 | 2020-08-11 | 中铁二十局集团市政工程有限公司 | Magnetic suction type positioning device for improving hoisting precision of large-tonnage steel cover beam and construction method thereof |
| CN112681654B (en) * | 2020-12-15 | 2022-10-14 | 广东景龙建设集团有限公司 | Locking device and locking system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1236047A (en) * | 1998-05-14 | 1999-11-24 | 许恒嘉 | Mounting and construction method for building built-in part and its auxiliary fixture |
| CN101035650A (en) * | 2004-08-24 | 2007-09-12 | Srb建筑技术有限公司 | A magnetic clamp |
| CN201372572Y (en) * | 2009-03-06 | 2009-12-30 | 杨秋利 | Compression-type magnetic sucker used for template |
| CN201512956U (en) * | 2009-10-21 | 2010-06-23 | 中船第九设计研究院工程有限公司 | Burst-prevention controller for high-pressure ejection concrete grouting |
| CN202023367U (en) * | 2011-04-19 | 2011-11-02 | 中铁二十四局集团有限公司 | Positioning structure using magnetic force to fix T-steel |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10227130A (en) * | 1997-02-17 | 1998-08-25 | Kumagai Gumi Co Ltd | Steel-plate fixture |
| US20080023621A1 (en) * | 2006-07-31 | 2008-01-31 | Wagner Eric W | Magnetic Concrete Construction Keyway System |
-
2011
- 2011-04-19 CN CN 201110097876 patent/CN102182304B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1236047A (en) * | 1998-05-14 | 1999-11-24 | 许恒嘉 | Mounting and construction method for building built-in part and its auxiliary fixture |
| CN101035650A (en) * | 2004-08-24 | 2007-09-12 | Srb建筑技术有限公司 | A magnetic clamp |
| CN201372572Y (en) * | 2009-03-06 | 2009-12-30 | 杨秋利 | Compression-type magnetic sucker used for template |
| CN201512956U (en) * | 2009-10-21 | 2010-06-23 | 中船第九设计研究院工程有限公司 | Burst-prevention controller for high-pressure ejection concrete grouting |
| CN202023367U (en) * | 2011-04-19 | 2011-11-02 | 中铁二十四局集团有限公司 | Positioning structure using magnetic force to fix T-steel |
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