CN110424249A - It is a kind of actively to prevent beams of concrete from falling girder system system and its application method - Google Patents
It is a kind of actively to prevent beams of concrete from falling girder system system and its application method Download PDFInfo
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- CN110424249A CN110424249A CN201910629738.7A CN201910629738A CN110424249A CN 110424249 A CN110424249 A CN 110424249A CN 201910629738 A CN201910629738 A CN 201910629738A CN 110424249 A CN110424249 A CN 110424249A
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
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Abstract
Actively prevent beams of concrete from falling girder system system and its application method the invention discloses a kind of, including beams of concrete girder, bent cap two sides below beams of concrete girder are respectively equipped with block A and block B, two pieces of blocks embed electromagnet A and electromagnet B respectively, on beams of concrete girder with the joint place of block A and block B respectively in be embedded with electromagnet C and electromagnet D, displacement monitor A and displacement monitor B are respectively equipped on electromagnet A and electromagnet B, it further include single chip circuit system, all electromagnet, displacement monitor is connected with single chip circuit system, single chip circuit system respectively with electromagnet A, B, C and D-shaped are at circuit, electric current changes size and Orientation according to the monitoring result of displacement monitor in circuit, pass through size of current, control the ferromagnetic power of electromagnetism, pass through current direction , being attracted or repelled between electromagnet is controlled, to realize beams of concrete girder and close the fitting of block A and block B and separate, prevents bridge from falling beam, the normally orderly use of guarantee bridge.
Description
Technical field
The invention belongs to Communication and Transportation Engineerings and bridge technology process field, and in particular to a kind of actively to prevent beams of concrete
Fall girder system system and its application method.
Background technique
Under earthquake, explosion and Impact Load, biggish vibration often occurs for bridge structure, can lead to top when serious
Lateral displacement more than limit value occurs for concrete beam body, and block destroys, and beam body is fallen.As the multi-purpose project in traffic lines, one
Denier occurs concrete beam body and falls Liang Xianxiang, transportation network can be made to paralyse, bring great difficulty to the rescue work after calamity, sternly
Ghost image rings the life security of the people.
In existing technical field of bridge engineering, more and more researchers the phenomenon that concern prevents bridge from falling beam,
Such as the patent document of Publication No. CN109594466A, a kind of anti-fall beam construction of energy consumption is disclosed, the beam in the invention is set
It is set to multilayered structure, the length travel of box beam can be limited, while there are three layers of lateral energy-consuming device in each layer of box beam,
The lateral displacement of box beam can be limited, but this method is started with from the body construction of bridge, structure is complicated, economic cost
Height expends larger cost；For another example in the patent document of Publication No. CN208440969U, a kind of T section beam bridge is disclosed
Antidetonation, anti-fall girder construction, the structure include bent cap and the steel plate that bent cap upper horizontal is placed, and horizontal steel plate is by being embedded in bent cap
In anchor bolt be anchored on bent cap, two blocks of vertical steel plates are vertically installed on plain plate, are provided with two between two blocks of vertical steel plates
Spiral is arranged, is capable of the vertical and horizontal displacement of restricted T beam, avoids T beam in earthquake from falling the harm of beam, although this method
Structure is simple, but bridge structure can not change once completing, inflexible, and with the increase of bridge service life, constantly
Consume, user also can not accomplish effective monitoring to bridge, and manually intelligentized developing direction differs greatly with the new era.Cause
And how reasonably to be controlled using intelligence system, bridge is monitored active and effectively, bridge is utmostly carried out and falls beam
Defense work just becomes particularly significant.
Summary of the invention
The present invention exactly be directed to existing issue, provide it is a kind of actively prevent beams of concrete fall girder system system and its user
Method, including beams of concrete girder, the bent cap two sides below beams of concrete girder are respectively equipped with block A and block B, two pieces of blocks point
Not Nei Qian electromagnet A and electromagnet B, on beams of concrete girder with the joint place of block A and block B respectively in be embedded with electromagnet
It is respectively equipped with displacement monitor A and displacement monitor B on C and electromagnet D, the electromagnet A and electromagnet B, further includes
Single chip circuit system, the electromagnet A, electromagnet B, electromagnet C, electromagnet D, displacement monitor A and displacement monitoring dress
B is set to be connected with single chip circuit system respectively, single chip circuit system respectively with electromagnet A, electromagnet C, electromagnet B and electricity
Magnet D-shaped is at circuit, and the electric current in the circuit changes direction according to the monitoring result of displacement monitor, by electric current side
To, control being attracted or repelled between electromagnet two-by-two, to realize the close patch of beams of concrete girder Yu block A and block B
It closes and separates, prevent bridge from falling beam, guarantee the normal orderly use of bridge.
To achieve the goals above, the technical solution adopted by the present invention is that: it is a kind of actively prevent beams of concrete fall girder system system,
Including beams of concrete girder, the bent cap two sides below the beams of concrete girder are respectively equipped with block A and block B, two pieces of blocks
Embed electromagnet A and electromagnet B respectively, on beams of concrete girder with the joint place of block A and block B respectively in be embedded with electromagnetism
Displacement monitor A and displacement monitor B are respectively equipped on iron C and electromagnet D, the electromagnet A and electromagnet B；
It further include single chip circuit system, the electromagnet A, electromagnet B, electromagnet C, electromagnet D, displacement monitor
A and displacement monitor B are connected with single chip circuit system respectively, single chip circuit system respectively with electromagnet A, electromagnet
C, electromagnet B and electromagnet D-shaped be at circuit, the side of change according to the monitoring result of displacement monitor of the electric current in the circuit
To, by current direction, control being attracted or repelled between electromagnet two-by-two；By size of current, it is ferromagnetic to control electromagnetism
It is strong and weak.
As an improvement of the present invention, the single chip circuit system and electromagnet A and electromagnet C are respectively formed circuit
A and circuit C, circuit A control electromagnet A, and circuit C controls electromagnet C, when being passed through electric current in circuit A and circuit C, electromagnet A
The pole S or N pole field are being generated close to electromagnet C-terminal according to the current direction in circuit A, electromagnet C is produced close to the end electromagnet A
Raw N pole field.
It is improved as another kind of the invention, the single chip circuit system and electromagnet B and electromagnet D are respectively formed electricity
Road B and circuit D, circuit B control electromagnet B, and circuit D controls electromagnet D, when being passed through electric current in circuit B and circuit D, electromagnetism
Iron B is generating the pole S or N pole field close to the end electromagnet D according to the current direction in circuit B, and electromagnet D is close to electromagnet B
End generates N pole field.
As another improvement of the invention, when beams of concrete girder keeps normal distance with block A and block B respectively
When, no current in circuit A, circuit B, circuit C and circuit D is nonmagnetic in electromagnet A, electromagnet B, electromagnet C and electromagnet D.
To achieve the goals above, the present invention also the technical solution adopted is that: it is a kind of actively to prevent beams of concrete from falling girder system
The application method of system, includes the following steps:
S1 determines minimum range L1 and critical maximum distance L2, L2 > L1 between electromagnet A and electromagnet C, determines electricity
Minimum range T1 and critical maximum distance T2, T2 > T1 between magnet B and electromagnet D, critical maximum the distance L2 and T2 divide
Not Wei beams of concrete under normal circumstances, the maximum distance between electromagnet A and electromagnet C, between electromagnet B and electromagnet D；
S2 pre-sets single chip circuit system, inputs minimum range L1, T1 and critical maximum distance L2, T2；
S3 monitors the distance between electromagnet A and electromagnet C by displacement monitor A, by its respectively with L1, L2
It compares；The distance between electromagnet B and electromagnet D are monitored by displacement monitor B, it is done into ratio with T1, T2 respectively
Compared with；
S4, when the distance between electromagnet A and electromagnet C are greater than L1 and are less than L2, the control of single chip circuit system
Circuit A and circuit C do not work, while judging the distance of electromagnet B and electromagnet D；Otherwise it is transferred to step S7；
S5 judges the distance of electromagnet B and electromagnet D, when the distance between electromagnet B and electromagnet D are greater than T1 and small
When T2, the circuit B and circuit D of single chip circuit system control do not work, and beams of concrete is normal；Otherwise judge electromagnet B and
The relationship of distance and T1, T2 between electromagnet D；
S6, when the distance between electromagnet B and electromagnet D are greater than T2, single chip circuit system, control circuit B and circuit
D generates electric current, and electromagnet B is generating S pole field close to the end electromagnet D according to current direction, and electromagnet D is close to electromagnet B
End generates N pole field, and electromagnet B and electromagnet D are attracting；When the distance between electromagnet B and electromagnet D are less than T1, monolithic
Electromechanical road system, control circuit B and circuit D generates electric current, and electromagnet B is generating the pole N close to the end electromagnet D according to current direction
Magnetic field, electromagnet D are generating N pole field close to the end electromagnet B, and electromagnet B repels each other with electromagnet D；
S7, when the distance between electromagnet A and electromagnet C are greater than L2, single chip circuit system, control circuit A and circuit
C generates electric current, and electromagnet A is generating S pole field close to electromagnet C-terminal according to current direction, and electromagnet C is close to electromagnet A
End generates N pole field, and electromagnet A and electromagnet C are attracting；When the distance between electromagnet A and electromagnet C are less than L1, monolithic
Electromechanical road system, control circuit A and circuit C generates electric current, and electromagnet A is generating the pole N close to electromagnet C-terminal according to current direction
Magnetic field, electromagnet C are generating N pole field close to the end electromagnet A, and electromagnet A repels each other with electromagnet C；Then continue at step S5.
To achieve the goals above, the present invention also the technical solution adopted is that: it is a kind of actively to prevent beams of concrete from falling girder system
The application of system, when the monitoring result of displacement monitor A is greater than single chip circuit systemic presupposition value, beams of concrete and block A
Between have landing trend, single chip circuit system, control circuit A and circuit C generate electric current, and electromagnet A is being leaned on according to current direction
Nearly electromagnet C-terminal generates S pole field, and electromagnet C is generating N pole field, electromagnet A and electromagnet C phase close to the end electromagnet A
It inhales, drives between beams of concrete girder and block A close to fitting.
To achieve the goals above, the present invention also the technical solution adopted is that: it is a kind of actively to prevent beams of concrete from falling girder system
The application of system, when the monitoring result of displacement monitor B is greater than single chip circuit systemic presupposition value, beams of concrete and block B
Between have landing trend, single chip circuit system, control circuit B and circuit D generate electric current, and electromagnet B is being leaned on according to current direction
The nearly end electromagnet D generates S pole field, and electromagnet D is generating N pole field, electromagnet B and electromagnet D phase close to the end electromagnet B
It inhales, drives between beams of concrete girder and block B close to fitting.
Compared with prior art, actively prevent beams of concrete from falling girder system system the invention discloses a kind of, by adjusting electromagnetism
Ferromagnetic field direction controls the lateral displacement of beam body to restrainer, scientific and reasonable, economical and effective, single chip circuit system
Data manipulation mode also more meets the contemporary demand of manual intelligent, more securely and reliably, intelligent control；Meanwhile the present invention mentions
What is supplied prevents beams of concrete from falling girder system system, and structure type is simple, and use is free of a burden, and economic cost is low, is to existing highway bridge structure
A quantum jump, artificial intelligence control prevents to fall beam.
In addition to this, it actively prevents beams of concrete from falling beam systematic difference the invention also discloses a kind of, works as beams of concrete
Girder and lateral block are close and too close to passing through single chip circuit system and excite electromagnet when distance is more than minimum limit value
Work, repels between concrete beam body and block, keeps suitable distance；When beams of concrete girder and lateral block far from when,
And apart from when being more than threshold limiting, this means that the risk of beam will be fallen, passes through single chip circuit system and excite electromagnet
Work, so that electromagnet is attracting, attracts each other between concrete beam body and block, and by size of current, it is ferromagnetic to control electromagnetism
Power prevents to fall beam, and minimum limit value and threshold limiting can be modified at any time according to bridge using abrasion condition, so that intelligence control
It is more accurate to make, and is more in line with practical bridge use demand.
Detailed description of the invention
Fig. 1, which is that the present invention is a kind of, actively prevents beams of concrete from falling beam system structure broken away view；
Fig. 2 is the schematic diagram of microcontroller system circuit work of the invention；
In figure: 1. girders, 2-1. block A, 2-2. block B, 3. bent caps, 4-1. displacement monitor A, 4-2. displacement monitoring
Device B, 5-1. electromagnet A, 5-2. electromagnet B, 6-1. electromagnet C, 6-2. electromagnet D.
Specific embodiment
Below with reference to drawings and examples, the present invention is described in detail.
Embodiment 1
It is a kind of actively to prevent beams of concrete from falling girder system system, as shown in Figure 1, including beams of concrete girder 1, beams of concrete girder
3 two sides of bent cap of 1 lower section are respectively equipped with block A 2-1 and block B 2-2, and two pieces of blocks embed electromagnet A 5-1 and electricity respectively
Magnet B 5-2, on beams of concrete girder 1 with the joint place of block A 2-1 and block B 2-2 respectively in be embedded with electromagnet C 6-
Displacement monitor A 4-1 and displacement monitor B are respectively equipped on 1 and electromagnet D 6-2, the electromagnet A and electromagnet B
4-2；
It further include single chip circuit system, electromagnet A 5-1, electromagnet B 5-2, electromagnet C 6-1, electromagnet D
6-2, displacement monitor A 4-1 and displacement monitor B 4-2 are connected with single chip circuit system respectively, single chip circuit
System forms circuit with electromagnet A 5-1, electromagnet C 6-1, electromagnet B 5-2 and electromagnet D 6-2 respectively, as shown in Fig. 2,
Power control bit moves the work of monitoring device, after the working result of displacement monitor inputs single chip circuit system, by monolithic
Machine circuit system, which drives, forms circuit with electromagnet, and electromagnet A 5-1 and electromagnet C 6-1 are respectively formed circuit A and circuit C,
Circuit A controls electromagnet A 5-1, and circuit C control electromagnet C 6-1, electromagnet B 5-2 and electromagnet D 6-2 are respectively formed electricity
Road B and circuit D, circuit B control electromagnet B 5-2, and circuit D controls electromagnet D 6-2, and the electric current in the circuit is according to displacement
The monitoring result of monitoring device and change direction, by current direction, control being attracted or repelled between electromagnet two-by-two passes through
Size of current controls the ferromagnetic power of electromagnetism.
The electromagnet A that single chip circuit system can measure displacement monitor A 4-1 and displacement monitor B 4-2
The distance of 5-1 and electromagnet C 6-1, electromagnet B 5-2 and electromagnet D 6-2 are compared with preset value, when distance is default
When being worth in range, single chip circuit system does not work, in circuit A, circuit B, circuit C and circuit D when no current, electromagnet A 5-
1, nonmagnetic in electromagnet B 5-2, electromagnet C 6-1 and electromagnet D 6-2, beams of concrete girder 1 respectively with block A 2-1 and
Block B 2-2 keeps normal distance, normal to be bonded；
When distance is greater than preset value, the work of single chip circuit system makes electromagnet polarity on the contrary, attracting each other；When away from
When from being less than preset value, the work of single chip circuit system keeps electromagnet polarity identical, mutually exclusive.Specifically: work as displacement monitoring
Centre distance between the electromagnet A 5-1 of electromagnet C 6-1 and block the A 2-1 for the girder 1 that device A 4-1 is measured be greater than or
When equal to preset value L2, single chip circuit system, control circuit A and circuit C generate electric current, and electric current can be with the increase of distance
And increase, current direction makes electromagnet A 5-1 generate S pole field close to the end electromagnet C 6-1, and magnetism is with the increasing of electric current
Increase greatly；As the electromagnet A 5-1 of electromagnet C 6-1 and block the A 4-1 for the girder 1 that displacement monitor A 4-1 is measured
Between centre distance when being less than or equal to preset value L1, single chip circuit system, control circuit A and circuit C generate electric current, and
Electric current can increase with the reduction of distance, and current direction is that electromagnet A 5-1 is made to generate the pole N close to the end electromagnet C 6-1
Magnetic field, it is magnetic to increase with the increase of electric current.
When the girder 1 that displacement monitor A 4-1 is measured electromagnet C 6-1 and block A 4-1 electromagnet A 5-1 it
Between centre distance when being greater than or equal to preset value L2, circuit A and circuit C in single chip circuit system generate electric current, and electricity
Stream can increase with the increase of distance, and current direction is that electromagnet C 6-1 is made to generate the pole N magnetic close to the end electromagnet A 5-1
, and magnetism increases with the increase of electric current；As the electromagnet C 6-1 and gear of the girder 1 that displacement monitor A 7-1 is measured
When the distance at center is less than or equal to preset value L1 between the electromagnet A 5-1 of block A 4-1, circuit A in single chip circuit system
Electric current is generated with circuit C, and electric current can increase with the reduction of distance, current direction is to make electromagnet C 6-1 close to electricity
N pole field is generated in the end magnet A 5-1, it is magnetic to increase with the increase of electric current.
When the girder 1 that displacement monitor B 4-2 is measured electromagnet D 6-2 and block B 4-2 electromagnet B 5-2 it
Between centre distance when being greater than or equal to preset value L2, circuit B and circuit D generates electric current, and electric current in single chip circuit system
It can increase with the increase of distance, current direction makes electromagnet B 5-2 generate S pole field close to the end electromagnet D 6-2；When
Center between the electromagnet B 5-2 of electromagnet D 6-2 and block the B 4-2 for the girder 1 that displacement monitor B 4-2 is measured away from
When from being less than or equal to preset value L1, circuit B and circuit D generates electric current in single chip circuit system, and electric current can be with distance
Reduction and increase, current direction be make electromagnet B 5-2 close to the end electromagnet D 6-2 generate N pole field.
When the girder 1 that displacement monitor B 4-2 is measured electromagnet D 6-2 and block B 4-2 electromagnet B 5-2 it
Between centre distance when being greater than or equal to preset value L2, circuit B and circuit D generates electric current, and electric current in single chip circuit system
It can increase with the increase of distance, current direction is that electromagnet D 6-2 is made to generate N pole field close to the end electromagnet B 5-2；
When center between the electromagnet B 5-2 of electromagnet D 6-2 and block the B 4-2 for the girder 1 that displacement monitor B 4-2 is measured
When distance is less than or equal to preset value L1, circuit B and circuit D generates electric current in single chip circuit system, and electric current can with away from
From reduction and increase, current direction be make electromagnet D 6-2 close to the end electromagnet B 5-2 generate N pole field.
Embodiment 2
It is a kind of actively prevent beams of concrete fall girder system system application method, on beams of concrete girder 1 with block A 2-1 and
The joint place of block B 2-2 is interior respectively to be embedded with electromagnet C 6-1 and electromagnet D 6-2, lateral block A 2-1, block B 2-2
Interior reserved slot places electromagnet A 5-1, electromagnet B 5-2 respectively；Displacement is installed on electromagnet A 5-1, electromagnet B 5-2
Monitoring device A 7-1, displacement monitor B 7-2；Single chip circuit circuit system A, circuit B, circuit C and circuit D are connected, if
Distance value L1, L2 are set；Start displacement monitor A7-1 and displacement monitor B7-2, specifically comprises the following steps:
S1 determines minimum range L1 and critical maximum distance L2, L2 > L1 between electromagnet A 5-1 and electromagnet C6-1,
Determine minimum range T1 between electromagnet B 5-2 and electromagnet D 6-2 and critical maximum distance T2, T2 > T1, it is described it is critical most
Distance L2 and T2 greatly be respectively beams of concrete under normal circumstances, between electromagnet A 5-1 and electromagnet C 6-1, electromagnet B 5-2
Maximum distance between electromagnet D 6-2；
S2 pre-sets single chip circuit system, inputs minimum range L1, T1 and critical maximum distance L2, T2；
S3 monitors the distance between electromagnet A 5-1 and electromagnet C6-1 by displacement monitor A 4-1, by it
It is compared respectively with L1, L2；Monitored by displacement monitor B 4-2 between electromagnet B 5-2 and electromagnet D 6-2 away from
From it is compared with T1, T2 respectively；
S4, when the distance between electromagnet A 5-1 and electromagnet C 6-1 are greater than L1 and are less than L2, i.e. beams of concrete master
Beam 1 is normal at a distance from block A2-1, without beam or isolated danger is fallen, so the circuit A and electricity of the control of single chip circuit system
Road C does not work, and magnetism does not occur for the electromagnet in girder 1 and block A 2-1, also needs to judge electromagnet B and electromagnetism at this time
The distance of iron D；Otherwise it needs to be transferred to step S7, further by judging the distance between electromagnet A 5-1 and electromagnet C 6-1,
To judge the distance relation of beams of concrete girder 1 Yu block A2-1, if fall beam possibility；
S5 judges the distance of electromagnet B 5-2 and electromagnet D 6-2, when between electromagnet B 5-2 and electromagnet D6-2
When distance is greater than T1 and is less than T2, i.e. normal at a distance from beams of concrete girder 1 and block B 2-2, nothing falls beam or isolated danger,
The circuit B and circuit D of single chip circuit system control do not work, in conjunction with step S4 between electromagnet A 5-1 and electromagnet C 6-1
After the judgement of distance, it can show that beams of concrete is integrally normal；
When the distance between electromagnet B 5-2 and electromagnet D6-2 are not to need at this time further greater than T1 and less than T2
Analysis be greater than T2, be also less than T1, thus judge between electromagnet B 5-2 and electromagnet D 6-2 away from relationship；
S6, when the distance between electromagnet B 5-2 and electromagnet D 6-2 are greater than T2, i.e. between two electromagnet away from
From critical value is had arrived at, two electromagnet are being separated, and bridge is falling beam, single chip circuit system, control circuit
B and circuit D generates electric current, and electromagnet B 5-2 is generating S pole field, electromagnet close to the end electromagnet D 6-2 according to current direction
D 6-2 is generating N pole field close to the end electromagnet B 5-2, and electromagnet B 5-2 and electromagnet D 6-2 are attracting, so that block
B 2-2 and beams of concrete girder 1 are close to each other, restrainer, and magnetism increases with the increase of electric current, further ensures
The phase absorption of electromagnet B and electromagnet D；When the distance between electromagnet B 5-2 and electromagnet D 6-2 are less than T1, i.e., two
The distance between electromagnet is too close to can be with more separated from each other, so single chip circuit system, control circuit B and circuit
D generates electric current, and electromagnet B 5-2 is generating N pole field close to the end electromagnet D 6-2 according to current direction, and electromagnet D is close
The electromagnet end B 5-2 generates N pole field, and electromagnet B 5-2 repels each other with electromagnet D 6-2, so that block B 2-2 and coagulation
Native beam girder 1 be separated from each other it is more some, it is magnetic to increase with the increase of electric current, reduce with the reduction of electric current, can pass through
Manual control electric current, to determine the magnetism of electromagnet B and electromagnet D, so that it is determined that separating distance；
S7, because bridge both sides are symmetrical, the distance relation and working principle of block A 2-1 and girder 1, with step
The relationship of block B 2-2 and girder 1 is the same in rapid S6.When the distance between electromagnet A 5-1 and electromagnet C 6-1 are greater than
When L2, i.e., the distance between two electromagnet have arrived at critical value, and two electromagnet are separating, and bridge is being fallen
Beam, single chip circuit system, control circuit A and circuit C generate electric current, and electromagnet A 5-1 is according to current direction close to electromagnet
The end C 6-1 generates S pole field, and electromagnet C 6-1 is generating N pole field, electromagnet A and electromagnet C close to the end electromagnet A 5-1
It is attracting so that block A 2-1 and beams of concrete girder 1 are close to each other, restrainer, and it is magnetic with the increase of electric current and
Increase, further ensures the safety of girder, restrainer；When the distance between electromagnet A 5-1 and electromagnet C 6-1 are small
When L1, single chip circuit system, control circuit A and circuit C generate electric current, and electromagnet A 5-1 is according to current direction close to electricity
The magnet end C 6-1 generates N pole field, and electromagnet C is generating N pole field, electromagnet A 5-1 and electricity close to the end electromagnet A 5-1
Magnet C 6-1 repels each other so that block A 2-1 and beams of concrete girder 1 be separated from each other it is more some, magnetism with electric current increasing
Increase greatly, reduces with the reduction of electric current, it can be by manual control electric current, to determine separating distance；It is then transferred to step again
Rapid S5 carries out the judgement of electromagnet B 5-2 and electromagnet D 6-2, until distance, between T1 and T2, bridge is normal.Pass through tune
Magnetic field of magnets direction economize on electricity to control the lateral displacement of beam body to restrainer, scientific and reasonable, economical and effective, single chip circuit
The data manipulation mode of system also more meets the contemporary demand of manual intelligent, more securely and reliably.
Embodiment 3
As shown in Figure 1, when the side of beams of concrete girder falls beam, it is assumed that fall beam, block A at block A 2-1
2-1 will necessarily be more than the preset value L2 of single chip circuit system at a distance from beams of concrete girder 1, as displacement monitor A 4-
When 1 monitoring result is greater than single chip circuit systemic presupposition value, single chip circuit system, control circuit A and circuit C generate electric current,
Electromagnet A 5-1 is generating S pole field close to the end electromagnet C 6-1 according to current direction, and electromagnet C 6-1 is close to electromagnet
The end A 5-1 generates N pole field, and electromagnet A 5-1 and electromagnet C 6-1 are attracting, drives beams of concrete girder 1 and block A 2-1
Between close to fitting, to achieve the purpose that restrainer.
If falling beam situation at block B 2-2, working principle is identical as operation mode, if falling beam at block B 2-2, gear
Block B 2-2 will necessarily be more than the preset value T2 of single chip circuit system at a distance from beams of concrete girder 1, work as displacement monitor
When the monitoring result of B 4-2 is greater than single chip circuit systemic presupposition value, single chip circuit system, control circuit B 5-2 and circuit D
6-2 generates electric current, and electromagnet B 5-2 is generating S pole field, electromagnet D 6-2 close to the end electromagnet D 6-2 according to current direction
N pole field is being generated close to the end electromagnet B 5-2, electromagnet B 5-2 and electromagnet D 6-2 are attracting, drive beams of concrete girder 1
Close to fitting between block B 2-2, to achieve the purpose that restrainer.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel only illustrate the present invention it should be appreciated that the present invention is not limited by examples detailed above described in examples detailed above and specification
Principle, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these variation and
Improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its is equal
Object defines.
Claims (7)
1. a kind of actively prevent beams of concrete from falling girder system system, including beams of concrete girder, which is characterized in that the beams of concrete master
Bent cap two sides below beam are respectively equipped with block A and block B, and two pieces of blocks embed electromagnet A and electromagnet B, concrete respectively
On beam girder with the joint place of block A and block B respectively in be embedded with electromagnet C and electromagnet D, the electromagnet A and electromagnetism
Displacement monitor A and displacement monitor B are respectively equipped on iron B；
Further include single chip circuit system, the electromagnet A, electromagnet B, electromagnet C, electromagnet D, displacement monitor A and
Displacement monitor B is connected with single chip circuit system respectively, single chip circuit system respectively with electromagnet A, electromagnet B,
At circuit, the electric current in the circuit changes size according to the monitoring result of displacement monitor for electromagnet C and electromagnet D-shaped
And direction controls being attracted or repelled between electromagnet two-by-two by current direction；By size of current, it is ferromagnetic to control electromagnetism
The power of property.
2. a kind of as described in claim 1 actively prevent beams of concrete from falling girder system system, it is characterised in that: the single chip circuit
System and electromagnet A and electromagnet C are respectively formed circuit A and circuit C, and circuit A controls electromagnet A, and circuit C controls electromagnet C,
When being passed through electric current in circuit A and circuit C, electromagnet A is generating the pole S close to electromagnet C-terminal according to the current direction in circuit A
Or N pole field, electromagnet C are generating N pole field close to the end electromagnet A.
3. a kind of as claimed in claim 2 actively prevent beams of concrete from falling girder system system, it is characterised in that: the single chip circuit
System and electromagnet B and electromagnet D are respectively formed circuit B and circuit D, and circuit B controls electromagnet B, and circuit D controls electromagnet D,
When being passed through electric current in circuit B and circuit D, electromagnet B is generating the pole S close to the end electromagnet D according to the current direction in circuit B
Or N pole field, electromagnet D are generating N pole field close to the end electromagnet B.
4. it is as claimed in claim 1 or 3 it is a kind of actively prevent beams of concrete fall girder system system, it is characterised in that: work as beams of concrete
Girder kept respectively with block A and block B normally apart from when, no current in circuit A, circuit B, circuit C and circuit D, electromagnet
A, nonmagnetic in electromagnet B, electromagnet C and electromagnet D.
5. a kind of application method for actively preventing beams of concrete from falling girder system system, characterized by the following steps:
S1 determines minimum range L1 and critical maximum distance L2, L2 > L1 between electromagnet A and electromagnet C, determines electromagnet B
Minimum range T1 and critical maximum distance T2, T2 > T1 between electromagnet D, critical maximum the distance L2 and T2 are respectively
Beams of concrete under normal circumstances, the maximum distance between electromagnet A and electromagnet C, between electromagnet B and electromagnet D；
S2 pre-sets single chip circuit system, inputs minimum range L1, T1 and critical maximum distance L2, T2；
S3 monitors the distance between electromagnet A and electromagnet C by displacement monitor A, it is done ratio with L1, L2 respectively
Compared with；The distance between electromagnet B and electromagnet D are monitored by displacement monitor B, it is compared with T1, T2 respectively；
S4, when the distance between electromagnet A and electromagnet C are greater than L1 and are less than L2, the circuit A of single chip circuit system control
It does not work with circuit C, while judging the distance of electromagnet B and electromagnet D；Otherwise it is transferred to step S7；
S5 judges the distance of electromagnet B and electromagnet D, when the distance between electromagnet B and electromagnet D are greater than T1 and are less than T2
When, the circuit B and circuit D of single chip circuit system control do not work, and beams of concrete is normal；Otherwise judge electromagnet B and electromagnetism
The relationship of distance and T1, T2 between iron D；
S6, when the distance between electromagnet B and electromagnet D are greater than T2, single chip circuit system, control circuit B and circuit D are produced
Raw electric current, electromagnet B are generating S pole field close to the end electromagnet D according to current direction, and electromagnet D is produced close to the end electromagnet B
Raw N pole field, electromagnet B and electromagnet D are attracting；When the distance between electromagnet B and electromagnet D are less than T1, monolithic is electromechanical
Road system, control circuit B and circuit D generate electric current, and electromagnet B is generating N pole field close to the end electromagnet D according to current direction,
Electromagnet D is generating N pole field close to the end electromagnet B, and electromagnet B repels each other with electromagnet D；
S7, when the distance between electromagnet A and electromagnet C are greater than L2, single chip circuit system, control circuit A and circuit C are produced
Raw electric current, electromagnet A are generating S pole field close to electromagnet C-terminal according to current direction, and electromagnet C is produced close to the end electromagnet A
Raw N pole field, electromagnet A and electromagnet C are attracting；When the distance between electromagnet A and electromagnet C are less than L1, monolithic is electromechanical
Road system, control circuit A and circuit C generate electric current, and electromagnet A is generating N pole field close to electromagnet C-terminal according to current direction,
Electromagnet C is generating N pole field close to the end electromagnet A, and electromagnet A repels each other with electromagnet C；Then continue at step S5.
6. a kind of as described in claim 1 actively prevent beams of concrete from falling beam systematic difference, it is characterised in that: work as displacement monitoring
When the monitoring result of device A is greater than single chip circuit systemic presupposition value, there are landing trend, monolithic between beams of concrete and block A
Electromechanical road system, control circuit A and circuit C generates electric current, and electromagnet A is generating the pole S close to electromagnet C-terminal according to current direction
Magnetic field, electromagnet C are generating N pole field close to the end electromagnet A, and electromagnet A and electromagnet C are attracting, drive beams of concrete girder
Close to fitting between block A.
7. a kind of as described in claim 1 actively prevent beams of concrete from falling beam systematic difference, it is characterised in that: work as displacement monitoring
When the monitoring result of device B is greater than single chip circuit systemic presupposition value, there are landing trend, monolithic between beams of concrete and block B
Electromechanical road system, control circuit B and circuit D generates electric current, and electromagnet B is generating the pole S close to the end electromagnet D according to current direction
Magnetic field, electromagnet D are generating N pole field close to the end electromagnet B, and electromagnet B and electromagnet D are attracting, drive beams of concrete girder
Close to fitting between block B.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910629738.7A CN110424249B (en) | 2019-07-12 | 2019-07-12 | System for actively preventing concrete beam from falling and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910629738.7A CN110424249B (en) | 2019-07-12 | 2019-07-12 | System for actively preventing concrete beam from falling and using method thereof |
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| JPH09242018A (en) * | 1996-03-13 | 1997-09-16 | Shibata Ind Co Ltd | Beam drop prevention structure and attaching method of buffering member in this structure |
| CN204676433U (en) * | 2015-05-22 | 2015-09-30 | 福建省工业设备安装有限公司 | The Hydraulic Deviation-correcting Device of steel box-girder traction slippage |
| CN105507135A (en) * | 2016-01-29 | 2016-04-20 | 石家庄铁道大学 | Seismic isolation control method having anti-girder-falling and anti-collision functions and seismic isolation control structure |
| CN206267580U (en) * | 2016-12-01 | 2017-06-20 | 陕西长恨歌演艺文化有限公司 | A kind of flexible grandstand automatic deviation rectifying device |
| CN108385510A (en) * | 2018-02-09 | 2018-08-10 | 石家庄铁道大学 | A kind of electromagnetic type bridge earthquake resistance anti-fall girder apparatus |
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2019
- 2019-07-12 CN CN201910629738.7A patent/CN110424249B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09242018A (en) * | 1996-03-13 | 1997-09-16 | Shibata Ind Co Ltd | Beam drop prevention structure and attaching method of buffering member in this structure |
| CN204676433U (en) * | 2015-05-22 | 2015-09-30 | 福建省工业设备安装有限公司 | The Hydraulic Deviation-correcting Device of steel box-girder traction slippage |
| CN105507135A (en) * | 2016-01-29 | 2016-04-20 | 石家庄铁道大学 | Seismic isolation control method having anti-girder-falling and anti-collision functions and seismic isolation control structure |
| CN206267580U (en) * | 2016-12-01 | 2017-06-20 | 陕西长恨歌演艺文化有限公司 | A kind of flexible grandstand automatic deviation rectifying device |
| CN108385510A (en) * | 2018-02-09 | 2018-08-10 | 石家庄铁道大学 | A kind of electromagnetic type bridge earthquake resistance anti-fall girder apparatus |
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