CN214200036U - Girder steel jacking displacement data acquisition device - Google Patents
Girder steel jacking displacement data acquisition device Download PDFInfo
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- CN214200036U CN214200036U CN202022066326.8U CN202022066326U CN214200036U CN 214200036 U CN214200036 U CN 214200036U CN 202022066326 U CN202022066326 U CN 202022066326U CN 214200036 U CN214200036 U CN 214200036U
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Abstract
The application relates to a steel beam jacking displacement data acquisition device, which relates to the field of steel beam jacking and comprises a plurality of supporting columns and a steel beam, wherein the supporting columns are fixedly connected to the ground, the steel beam is positioned above the supporting columns, and a jack is arranged between each supporting column and the steel beam; support column upper surface border position department is provided with measuring component, and measuring component can dismantle the setting with the support column, and measuring component includes displacement sensor, still includes: the power supply circuit is used for providing working voltage; the pressure detection circuit is connected with the power supply circuit, detects the pressure between the measuring assembly and the surface of the support column and outputs a pressure signal; the control circuit is connected with the pressure detection circuit, responds to the pressure signal and outputs an execution signal; and the execution circuit responds to the execution signal and strengthens the connection of the measuring assembly and the support column. This application has the effect of being convenient for improve bridge security.
Description
Technical Field
The application relates to the field of girder steel jacking, especially relate to a girder steel jacking displacement data acquisition device.
Background
The steel beam jacking technology is that when steel beams are installed, a jack and column blocks or lattice columns which are alternately filled are used for gradually lifting the steel beams to an installation designated position. The jacking technology is adopted to cause less interference to the surroundings, the construction occupied area is smaller, and the construction period can be shortened, so that the steel beam jacking technology is widely applied to bridge construction.
In view of the above-mentioned related technologies, the inventor thinks that in the process of jacking the steel beam, the gravity and the improper displacement distance of the steel beam can cause the internal stress of the steel beam to be too large, thereby affecting the safety and stability of the bridge.
SUMMERY OF THE UTILITY MODEL
In order to facilitate the security and the stability that improve the bridge, this application provides a girder steel jacking displacement data acquisition device.
The application provides a pair of girder steel jacking displacement data acquisition device adopts following technical scheme:
a steel beam jacking displacement data acquisition device comprises a plurality of support columns and a steel beam, wherein the support columns are fixedly connected to the ground, the steel beam is positioned above the support columns, and a jack is arranged between each support column and the steel beam; support column upper surface border position department is provided with measuring component, and measuring component can dismantle the setting with the support column, and measuring component includes displacement sensor, still includes:
the power supply circuit is used for providing working voltage;
the pressure detection circuit is connected with the power supply circuit, detects the pressure between the measuring assembly and the surface of the support column and outputs a pressure signal;
the control circuit is connected with the pressure detection circuit, responds to the pressure signal and outputs an execution signal;
and the execution circuit responds to the execution signal and strengthens the connection of the measuring assembly and the support column.
Through adopting above-mentioned technical scheme, the support column is provided with a plurality of and support column and ground fixed connection, and the girder steel is located the support column top, need through jack jacking at safe numerical range with the girder steel jacking to assigned position department many times, accomplish bridge or orbital construction. The measuring assembly is detachably arranged at the edge position of the upper surface of the supporting column and used for measuring jacking displacement data of each part of the steel beam during jacking, so that the jacking process is conveniently monitored, and the danger in the working process is reduced; the measuring component can be detached, so that the measuring component can be taken down from the supporting column after jacking at every time, and the reuse of the measuring component is facilitated. When the measuring component is placed at the edge of the supporting column, the pressure detection circuit detects the pressure on the lower surface of the measuring component, so that a pressure signal is output to the control circuit, the control circuit responds to the pressure signal and outputs an execution signal, the execution circuit responds to the execution signal, the connection between the measuring component and the supporting column is enhanced, the condition that the measuring component falls off from the supporting column is reduced, the jacking process can be better monitored, and the safety of a bridge is improved.
Preferably, the measuring component further comprises a connecting plate, the connecting plate is parallel to the upper surface of the support column, the connecting plate is located at the edge of the support column and fixedly connected with a clamping plate, the clamping plate is parallel to the axis direction of the support column, and the side face of the clamping plate is abutted to the circumferential face of the support column.
Through adopting above-mentioned technical scheme, the connecting plate is on a parallel with the support column upper surface, and joint board and connecting plate are located the partial fixed connection of support column border position department, and the joint board extends along the direction that is on a parallel with the support column axis. The connecting plate is the right angle with the corner joint of joint board, and the connecting plate mutually supports with the joint board, forms the joint with the support column to can reduce the condition that measuring component takes place to drop from the support column.
Preferably, the displacement sensor is fixedly connected to the side surface of the clamping plate, and the detection end of the displacement sensor is parallel to the extending direction of the supporting column.
Through adopting above-mentioned technical scheme, displacement sensor is fixed to be set up in the side of joint board, and displacement sensor's sense terminal is on a parallel with the extending direction of support column, can detect the ascending displacement distance of girder steel jacking side, and can reduce the thickness of connecting plate itself and displacement sensor's length to measuring the error that jacking displacement data caused, has improved measuring accuracy.
Preferably, the power supply circuit includes dc power supply VCC, and the pressure detection circuit includes pressure sensor P1, and pressure sensor P1's positive power supply end is connected in dc power supply VCC, and pressure sensor P1 is fixed to be set up in the lower surface of connecting plate, and pressure sensor P1's output is connected in control circuit's input.
Through adopting above-mentioned technical scheme, direct current power supply VCC supplies power to pressure sensor, and when placing measuring component in the support column upper surface, the connecting plate lower surface contacts with the support column, and pressure sensor P1 detects the pressure between connecting plate and the support column upper surface, and pressure sensor P1's output pressure signal carries out control on next step by control circuit. The pressure sensor P1 has high precision, and can detect the pressure formed by the gravity of the measuring component, thereby being beneficial to strengthening the connection between the measuring component and the support column.
Preferably, the control circuit includes a transistor Q1, the transistor Q1 is an NPN-type transistor Q1, a base of the transistor Q1 is connected to the output terminal of the pressure detection circuit, a collector of the transistor Q1 is connected to the dc power VCC, and an emitter of the transistor Q1 is grounded.
By adopting the technical scheme, the triode Q1 is adopted to receive the pressure signal, when the measuring component is placed on the upper surface of the supporting column, the pressure sensor P1 detects the self pressure value and outputs the pressure signal, at the moment, the base electrode of the triode Q1 receives a high-level signal, so that the triode Q1 is conducted and outputs an execution signal, the execution circuit responds to the execution signal and strengthens the connection between the measuring component and the supporting column, and the phenomenon that the measuring component falls off from the supporting column is reduced.
Preferably, the execution circuit comprises,
one end of an electromagnetic coil of a relay K1 and a relay K1 is connected to a direct-current power supply VCC, the other end of the electromagnetic coil of a relay K1 is connected to a collector of a triode Q1, and one end of a normally open contact of a relay K1 is connected to the direct-current power supply VCC;
the one end of electro-magnet is connected in relay K1's normally open contact, and the other end ground connection of electro-magnet, electro-magnet fixed connection in measuring component's lower surface, and support column upper surface border position department is the iron material.
Through adopting above-mentioned technical scheme, when pressure sensor P1 output pressure signal, triode Q1 switches on, and relay K1's solenoid gets electric, and relay K1's normally open contact is closed, and DC power supply VCC is to the electro-magnet power supply, and the electro-magnet produces suction, adsorbs measuring component and support column to measuring component can be comparatively stable connect in the support column upper surface. The execution circuit strengthens the connection between the measuring component and the supporting column, thereby strengthening the stability of the measuring component on the supporting column during jacking and improving the use convenience of the measuring component.
Preferably, the execution circuit further comprises a manual switch S1, and the manual switch S1 is connected between the electromagnetic coil and the electromagnet of the relay K1.
Through adopting above-mentioned technical scheme, manual switch S1 is in the closure state when measuring subassembly carries out data measurement, when measuring the end, disconnection manual switch S1, the electro-magnet outage this moment, the electro-magnet loses magnetic force, suction between measuring subassembly and the support column weakens, and the staff can be comparatively light take off measuring subassembly from the support column, measures jacking displacement data when being convenient for next jacking.
Preferably, a freewheeling diode D1 is connected in anti-parallel with two ends of the electromagnetic coil of the relay K1.
By adopting the technical scheme, the flywheel diode D1 protects the electromagnetic coil of the relay K1, the possibility that the electromagnetic coil of the relay K1 is broken down by induced voltage is reduced, and the service life of the relay K1 is prolonged.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the jacking displacement data are collected by arranging the measuring assembly between the supporting columns and the steel beam, so that the safety and the stability of the bridge are improved conveniently;
2. by arranging the pressure sensor P1 and the electromagnet on the measuring assembly, when the measuring assembly is placed on the upper surface of the supporting column, the pressure sensor P1 detects pressure, the electromagnet generates suction to adsorb the measuring assembly and the supporting column, the connection between the measuring assembly and the supporting column is enhanced, and the use convenience of the measuring assembly is improved;
3. the service life of the relay K1 is prolonged by connecting the freewheeling diode D1 in anti-parallel with two ends of the electromagnetic coil of the relay K1.
Drawings
FIG. 1 is a schematic overall structure of the present application;
FIG. 2 is a schematic structural view of a measurement assembly of the present application;
FIG. 3 is a schematic circuit diagram of a measurement assembly of the present application.
Description of reference numerals: 1. a support pillar; 2. a steel beam; 21. a jack; 3. a measurement assembly; 31. a displacement sensor; 32. a connecting plate; 33. a clamping and connecting plate; 34. an electromagnet; 4. a power supply circuit; 5. a pressure detection circuit; 6. a control circuit; 7. an execution circuit.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses girder steel jacking displacement data acquisition device. Referring to fig. 1, a girder steel jacking displacement data acquisition device includes support column 1 and girder steel 2, and support column 1 is provided with a plurality of and support column 1 and ground fixed connection, and girder steel 2 is located support column 1 top, and is provided with jack 21 between girder steel 2 and the support column 1, and 1 upper surface border position departments of support column are provided with measuring unit 3, and measuring unit 3 can dismantle the setting with support column 1. The jacking displacement data of girder steel 2 when measuring component 3 can measure the jacking, the staff of being convenient for detects jacking displacement data, reduces because of the improper 2 internal stress of girder steel that lead to of jacking is too big to lead to the shortcoming that 2 stability of girder steel are low, be convenient for improve the stability and the security of girder steel 2.
Referring to fig. 2, the measuring assembly 3 includes a connecting plate 32 and a clamping plate 33, the connecting plate 32 is disposed parallel to the upper surface of the support column 1, and the lower surface of the connecting plate 32 abuts against the upper surface of the support column 1. Every jack 21 jacking position department all corresponds and has a measuring component 3, and the staff of being convenient for carries out jacking displacement data to every jacking point and detects, has further improved the safety guarantee of girder steel 2. Clamping plate 33 is parallel to the setting of support column 1 axis extending direction, and clamping plate 33 and connecting plate 32 fixed connection, and clamping plate 33 side and the side butt of support column 1. Measuring component 3 still includes displacement sensor 31, and displacement sensor 31 fixed connection keeps away from one side of support column 1 in joint board 33 side, and displacement sensor 31's sense terminal sets up along the extending direction who is on a parallel with support column 1, and displacement sensor 31's sense terminal and the setting of support column 1 upper surface parallel and level are convenient for displacement sensor 31 to detect the jacking displacement data of jacking point.
Referring to fig. 3, the measurement assembly 3 further comprises a power supply circuit 4, and the power supply circuit 4 comprises a dc power supply VCC for providing an operating voltage. The measuring assembly 3 further comprises a pressure detection circuit 5, the pressure detection circuit 5 comprises a pressure sensor P1, a positive power supply end of the pressure sensor P1 is connected to a direct-current power supply VCC, a negative power supply end of the pressure sensor is grounded, and the pressure sensor P1 is fixedly connected to the lower surface of the connecting plate 32.
The working principle of the power supply circuit 4 and the pressure detection circuit 5 is as follows: when the measuring assembly 3 is placed on the upper surface of the support column 1, the lower surface of the connecting plate 32 abuts against the upper surface of the support column 1, and the side surface of the clamping plate 33 abuts against the side surface of the support column 1. At this time, the pressure sensor P1 detects the pressure under the influence of the gravity of the measuring unit 3 itself, thereby outputting a pressure signal for the control circuit 6 to perform the next operation.
Referring to fig. 2 and 3, the measuring assembly 3 further includes a control circuit 6, the control circuit 6 includes an NPN-type transistor Q1, a base of the transistor Q1 is connected to the output terminal of the pressure sensor P1, and an emitter of the transistor Q1 is grounded. The measuring assembly 3 further comprises an execution circuit 7, the execution circuit 7 comprises a relay K1 and an electromagnet 34, one end of an electromagnetic coil of the relay K1 is connected to a direct current power supply VCC, and the other end of the electromagnetic coil of the relay K1 is connected to a collector of a triode Q1. The execution circuit 7 further comprises an electromagnet 34 and a manual switch S1, normally open contacts of the electromagnet 34, the manual switch S1 and the relay K1 are connected in series, one end of a series circuit formed by the normally open contacts of the electromagnet 34, the manual switch S1 and the relay K1 is connected to a direct current power supply VCC, and the other end of the series circuit formed by the normally open contacts of the electromagnet 34, the manual switch S1 and the relay K1 is grounded. The electromagnet 34 is fixedly connected to the lower surface of the connecting plate 32, and the edge position of the upper surface of the support column 1 is made of ferrous materials.
The control circuit 6 and the execution circuit 7 operate according to the following principle: in normal state, the manual switch S1 is closed. When the pressure sensor P1 measures the pressure when the measuring component 3 is placed on the upper surface of the support column 1, the output terminal of the pressure sensor P1 outputs a high level signal. High level signal is received to triode Q1's base, triode Q1 switches on, relay K1's solenoid circular telegram, relay K1's normally open contact is closed, electro-magnet 34 has got the electricity and produces suction, adsorb connecting plate 32 and support column 1 upper surface, improve measuring assembly 3 and support column 1's joint strength, the condition that reducing measuring assembly 3 dropped from support column 1 appears, thereby certain guarantee is provided for measuring jacking displacement data, the staff of being convenient for detects jacking displacement data. When the jacking is ended, when not needing to measure again, disconnection hand switch S1, electro-magnet 34 outage, suction disappear, and the staff can take off measuring component 3 from support column 1, has improved measuring component 3' S convenience in use.
The implementation principle of the steel beam 2 jacking displacement data acquisition device in the embodiment of the application is as follows: when using measuring component 3 to detect the jacking displacement data, closing manual switch S1, placing measuring component 3 on support column 1 upper surface, connecting plate 32 and support column 1 upper surface butt, joint board 33 and support column 1 side butt. Thereby pressure sensor P1 detects pressure output high level signal this moment, triode Q1 switches on, relay K1's solenoid gets electric, relay K1's normally open contact is closed, electro-magnet 34 gets electric production magnetic force, adsorb connecting plate 32 and support column 1 edge, the joint strength of measuring subassembly 3 with support column 1 has been improved, reduce the probability that measuring subassembly 3 dropped from support column 1, thereby be convenient for detect jacking displacement data, be convenient for improve the stability of the security of bridge. After the use, the manual switch S1 is switched off, the electromagnet 34 is powered off and loses magnetic force, and a worker can take the measuring component 3 off the supporting column 1, so that the measuring component is convenient to use again.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a girder steel jacking displacement data acquisition device, includes support column (1) and girder steel (2), its characterized in that: the supporting columns (1) are arranged in a plurality, the supporting columns (1) are fixedly connected to the ground, the steel beam (2) is located above the supporting columns (1), and a jack (21) is arranged between each supporting column (1) and each steel beam (2); support column (1) upper surface border position department is provided with measuring component (3), and measuring component (3) can dismantle the setting with support column (1), and measuring component (3) include displacement sensor (31), still include:
a supply circuit (4) for supplying an operating voltage;
the pressure detection circuit (5) is connected to the power supply circuit (4), detects the pressure on the surfaces of the measurement component (3) and the support column (1) and outputs a pressure signal;
a control circuit (6) connected to the pressure detection circuit (5) and outputting an execution signal in response to the pressure signal;
and the execution circuit (7) responds to the execution signal and strengthens the connection of the measurement component (3) and the support column (1).
2. The steel beam jacking displacement data acquisition device of claim 1, characterized in that: measuring subassembly (3) still includes connecting plate (32), and connecting plate (32) are on a parallel with support column (1) upper surface setting, and connecting plate (32) are located support column (1) edge position fixedly connected with joint board (33), and joint board (33) are on a parallel with the axis direction setting of support column (1), and joint board (33) side and support column (1) circumferential surface butt.
3. The steel beam jacking displacement data acquisition device of claim 2, wherein: the displacement sensor (31) is fixedly connected to the side face of the clamping plate (33), and the detection end of the displacement sensor (31) is parallel to the extending direction of the supporting column (1).
4. The steel beam jacking displacement data acquisition device of claim 2, wherein: supply circuit (4) include DC power supply VCC, and pressure detection circuit (5) include pressure sensor P1, and pressure sensor P1's forward power supply end is connected in DC power supply VCC, and pressure sensor P1 is fixed to be set up in the lower surface of connecting plate (32), and pressure sensor P1's output is connected in the input of control circuit (6).
5. The steel beam jacking displacement data acquisition device of claim 1, characterized in that: the control circuit (6) comprises a triode Q1, the triode Q1 is an NPN type triode Q1, the base electrode of the triode Q1 is connected to the output end of the pressure detection circuit (5), the collector electrode of the triode Q1 is connected to a direct current power supply VCC, and the emitter electrode of the triode Q1 is grounded.
6. The steel beam jacking displacement data acquisition device of claim 5, wherein: the execution circuit (7) comprises,
one end of a solenoid coil of the relay K1 and the relay K1 is connected with the power supply circuit (4), the other end of the solenoid coil of the relay K1 is connected with a collector of the triode Q1, and one end of a normally open contact of the relay K1 is connected with the power supply circuit (4);
electromagnet (34), the normally open contact of relay K1 is connected to the one end of electromagnet (34), and the other end ground connection of electromagnet (34), electromagnet (34) fixed connection in the lower surface of measuring subassembly (3), and support column (1) upper surface border position department is iron material.
7. The steel beam jacking displacement data acquisition device of claim 6, wherein: the execution circuit (7) further comprises a manual switch S1, and the manual switch S1 is connected between the electromagnetic coil of the relay K1 and the electromagnet (34).
8. The steel beam jacking displacement data acquisition device of claim 6, wherein: and a freewheeling diode D1 is connected in anti-parallel with two ends of the electromagnetic coil of the relay K1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022066326.8U CN214200036U (en) | 2020-09-19 | 2020-09-19 | Girder steel jacking displacement data acquisition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022066326.8U CN214200036U (en) | 2020-09-19 | 2020-09-19 | Girder steel jacking displacement data acquisition device |
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| Publication Number | Publication Date |
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| CN214200036U true CN214200036U (en) | 2021-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022066326.8U Active CN214200036U (en) | 2020-09-19 | 2020-09-19 | Girder steel jacking displacement data acquisition device |
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| CN (1) | CN214200036U (en) |
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