CN213958302U - Dynamic risk monitoring and risk control checking device for over-span operation of practical training bridge girder erection machine - Google Patents
Dynamic risk monitoring and risk control checking device for over-span operation of practical training bridge girder erection machine Download PDFInfo
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- CN213958302U CN213958302U CN202022628308.4U CN202022628308U CN213958302U CN 213958302 U CN213958302 U CN 213958302U CN 202022628308 U CN202022628308 U CN 202022628308U CN 213958302 U CN213958302 U CN 213958302U
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Abstract
The utility model discloses a practical training bridge girder erection machine cross-span operation dynamic risk monitoring and risk control examining device, which comprises a pier and a wall body, wherein a box girder is arranged on the pier, a bridge girder erection machine is arranged on the box girder, a front end girder of the bridge girder erection machine is connected with a first door post beam, and an infrared emitter is horizontally arranged at the top end of the first door post beam; be provided with two track poles that are parallel to each other on the wall body, be provided with the synchronous displacer of response on the track pole, the synchronous displacer of response keeps away from one side of wall body and is located the intermediate position and is provided with the inductor group, and the synchronous displacer of response is close to one side of wall body and is located the intermediate position and is provided with the sensor group, and the inductor group is connected with the sensor group, and the sensor group is connected with the converter, and the converter is connected with early warning detection display. The utility model discloses risk monitoring and risk control examination device not only can detect the tenesmus condition of bridge girder erection machine front end girder, can also assess the student.
Description
Technical Field
The utility model belongs to the technical field of civil engineering and building engineering developments construction, concretely relates to real standard bridge girder erection machine crosses operation dynamic risk monitoring and risk control examination device of striding.
Background
China railway construction, particularly high-speed rail construction, is at the front edge of the world, and the China high-speed rail becomes a national business card manufactured by China; in order to save cultivated land and prevent normal traffic of residents on two sides along a high-speed rail from coming and going due to the fact that the high-speed rail is constructed and isolated in the high-speed rail foundation construction, China uses a large number of bridges in the high-speed rail construction, and the bridges replace a roadbed construction mode; more than 90% of high-speed rail bridges adopt simple straight box girders, and the specific method is that the high-speed rail box girders are prefabricated in a ground prefabricated girder field, the prefabricated high-speed rail box girders are lifted by a girder lifting machine to a transportation vehicle on the bridge, and then the girder transportation vehicle is used for transporting the girders to a bridge girder erection machine, and the whole bridge is constructed by the bridge girder erection machine most, so the operation of the bridge girder erection machine occupies a vital position in the high-speed rail construction; the practical training bridge girder erection machine constructed in schools has the same function and risks although the size is smaller than that of a real high-speed rail bridge girder erection machine; the cross-over operation in the self-balancing bridge girder erection machine is one of the operation conditions with the largest risk.
The practical training bridge girder erection machine system used for teaching is repeatedly used by unskilled students, practical training risks and practical training assessment effects are problems which need to be considered, risks caused by misoperation of the students and risks caused by uncertainty of a power supply source and the like need to be guaranteed to be avoided through various means, various safety early warning devices are preset to avoid various risks, and dynamic risk early warning monitoring and practical training operation effects for the students for solving over-crossing operation are the most critical contents.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a real standard bridging machine crosses and strides operation dynamic risk monitoring and risk control examination device can cross to real standard bridging machine and stride the operation because of the student real standard misoperation or the bridge crane forward velocity that the voltage unstability caused is inhomogeneous, leads to unsettled bridging machine No. 1 gatepost and girder anterior segment tenesmus risk to carry out the early warning detection, examines student's real standard operation effect simultaneously.
The technical scheme adopted by the utility model is that the practical training bridge girder erection machine striding operation dynamic risk monitoring and risk control examining device comprises a bridge pier and a wall body, wherein the bridge pier is provided with a box girder, the box girder is provided with a bridge girder erection machine, the front end girder of the bridge girder erection machine is connected with a first door post beam, and the top end of the first door post beam is horizontally provided with an infrared emitter;
be provided with two track poles that are parallel to each other on the wall body, be provided with the synchronous displacer of response on the track pole, the synchronous displacer of response keeps away from one side of wall body and is located the intermediate position and is provided with the inductor group, and the synchronous displacer of response is close to one side of wall body and is provided with the sensor group, and the inductor group is connected with the sensor group, and the sensor group is connected with the converter, and the converter is connected with early warning detection display.
The utility model is also characterized in that,
the inductor group comprises a green inductor, a yellow inductor and a red inductor, wherein the green inductor, the yellow inductor and the red inductor are sequentially arranged on the induction synchronous shifter from top to bottom.
The sensor group comprises a sensor, a second sensor and a third sensor, the first sensor, the second sensor and the third sensor are sequentially arranged on the induction synchronous shifter from top to bottom, the first sensor is connected with the green sensor, the second sensor is connected with the yellow sensor, and the third sensor is connected with the red sensor.
The two track rods are horizontally arranged.
The distance between the two track rods is larger than the transverse width of the bridge girder erection machine.
The synchronous displacement ware of response can move on two track poles, and synchronous displacement ware of response and bridging machine synchronous motion, the relative interval between the front end girder of the synchronous displacement ware of response and bridging machine keeps unchangeable.
The utility model has the advantages that,
(1) the utility model relates to a practical training bridge girder erection machine striding operation dynamic risk monitoring and risk control checking device, an induction synchronous shifter and a bridge girder erection machine move synchronously, the relative dynamic distance between a front girder of the bridge girder erection machine and the induction synchronous shifter is invariable all the time, a dynamic relatively invariable distance is set, and the detection is convenient;
(2) the utility model relates to a real standard bridging machine crosses to stride operation dynamic risk monitoring and risk control examination device, the transverse distance between two track poles is greater than the transverse width of bridging machine, the inside that bridging machine front end girder can roll into the range between two track poles, and bridging machine front end girder can not contact two track poles, make the response synchronous displacer slide just can not receive the interference, improved the detection precision;
(3) the utility model relates to a practical training bridge girder erection machine strides operation dynamic risk monitoring and risk control examination device, arranges an infrared emitter on a door post crossbeam, sets up a sensor group correspondingly on a synchronous shifter and connects with the sensor group, the measurement accuracy is high and the performance is stable;
(4) the utility model relates to a real standard bridging machine crosses dynamic risk monitoring of operation and risk control examination device of striding, forms three big detection standard through setting up red inductor, green inductor, yellow inductor, has established six grades through setting up sensor group, converter and detection display, and the evaluation student is real and is trained the operation score method simple and clear;
(5) the utility model relates to a real standard bridging machine crosses operation dynamic risk monitoring and risk control examination device of striding, simple structure, it is with low costs, easily promote.
Drawings
FIG. 1 is a schematic structural view of a device for monitoring and controlling risk of a practical training bridge girder erection machine crossing operation dynamic risk;
fig. 2 is another angle structure schematic diagram of the practical training bridge girder erection machine over-span operation dynamic risk early warning monitoring and risk control examination device.
In the figure, 1, a pier, 2, a box girder, 3, a bridge girder erection machine, 4, a front end main girder, 5, a first door post cross beam, 6, an infrared emitter, 7, infrared rays, 8, a wall body, 9, a track rod, 10, an induction synchronous shifter, 11, a green inductor, 12, a yellow inductor, 13, a red inductor, 14, a first sensor, 15, a second sensor, 16, a third sensor, 17, a converter and 18 are detection displays.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model relates to a practical training bridge girder erection machine striding operation dynamic risk monitoring and risk control examining device, as shown in the figure and figure 2, comprising a pier 1 and a wall 8, wherein the pier 1 is provided with a box girder 2, the box girder 2 is provided with a bridge girder erection machine 3, a front end girder 4 of the bridge girder erection machine 3 is connected with a door post beam 5, the top end of the door post beam 5 is horizontally provided with an infrared emitter 6, and the infrared emitter 6 emits infrared rays 7 outwards;
be provided with two track poles 9 that are parallel to each other on the wall body 8, two track pole 9 levels set up, interval between two track poles 9 is greater than the transverse width of bridging machine 3, the inside of scope between two track poles 9 can be driven into to the front end girder 4 of bridging machine 3, and bridging machine 3 front end girder 4 can not contact two track poles 9, be provided with response synchronous shifter 10 on the track pole 9, one side that wall body 8 was kept away from to response synchronous shifter 10 just is located the intermediate position and is provided with the inductor group, one side that response synchronous shifter 10 is close to wall body 8 is provided with the sensor group, the inductor group is connected with the sensor group, the sensor group is connected with converter 17, converter 17 is connected with early warning detection display 18.
The inductor group comprises a green inductor 11, a yellow inductor 12 and a red inductor 13, and the green inductor 11, the yellow inductor 12 and the red inductor 13 are sequentially arranged in the middle of the induction synchronous shifter 10 from top to bottom.
The sensor group comprises a first sensor 14, a second sensor 15 and a third sensor 16, the middle position of the induction synchronous shifter 10 is sequentially provided with the first sensor 14, the second sensor 15 and the third sensor 16 from top to bottom, the first sensor 14 is connected with the green sensor 11, the second sensor 15 is connected with the yellow sensor 12, the third sensor 16 is connected with the red sensor 13, the first sensor 14, the second sensor 15 and the third sensor 16 transmit received signals to the converter 17, the converter 17 converts the signals and sends the signals to the early warning detection display 18, and the early warning detection display 18 displays corresponding scores.
The induction synchronous shifter 10 can move on the two track rods 9, when the bridge girder erection machine moves across the span operation, the induction synchronous shifter 10 and the bridge girder erection machine 3 move synchronously, and the relative distance between the induction synchronous shifter 10 and the front end main girder 4 of the bridge girder erection machine 3 is kept unchanged.
When the bridge girder erection machine 3 moves in the over-span operation, if the main girder 4 at the front end of the bridge girder erection machine 3 does not drop, namely, keeps horizontal, the infrared ray 7 generated by the infrared emitter 6 just irradiates the green sensor 11, namely, the emitted infrared ray 7 is horizontal, which indicates that the main girder 4 at the front end of the bridge girder erection machine 3 does not drop, and the over-span operation of the bridge girder erection machine 3 is normal.
When the bridge girder erection machine 3 moves in the process of crossing operation, if the infrared ray 7 generated by the infrared ray emitter 6 which is dropped down on the main girder 4 at the front end of the bridge girder erection machine just irradiates the yellow inductor 12, the emitted infrared ray 7 has a certain inclination, which indicates that the main girder 4 at the front end of the bridge girder erection machine drops down but is within an allowable range, and the crossing operation can be continued after the balance weight of the bridge girder erection machine 3 is adjusted.
When the bridge girder erection machine 3 moves in the process of crossing operation, if the infrared ray 7 generated by the infrared ray emitter 6 which is dropped down on the main girder 4 at the front end of the bridge girder erection machine 3 just irradiates the red sensor 13, the emitted infrared ray 7 has larger inclination, which indicates that the main girder 4 at the front end of the bridge girder erection machine drops down to exceed the allowable range, and the crossing operation needs to be stopped.
When the student crosses over the real standard operation of homework, when infrared 7 shines at green inductor 11 top edge: the detection display 18 displays 100 points; when the infrared radiation 7 is at the lower edge of the green sensor 11: the test display 18 displays 90 points. When the infrared ray 7 irradiates the upper edge of the yellow sensor 12: the detection display 18 displays 80 points; when the infrared ray 7 irradiates the lower edge of the yellow sensor 12: the inspection display 18 displays 70 points. When the infrared ray 7 irradiates the upper edge of the red sensor 13: the detection display 18 displays 60 points; when the infrared ray 7 irradiates the lower edge of the red sensor 13: the detection display 18 displays a 50 point failing.
Claims (6)
1. A device for monitoring dynamic risks and controlling and examining risks of cross-span operation of a practical training bridge girder erection machine is characterized by comprising a bridge pier (1) and a wall body (8), wherein a box girder (2) is arranged on the bridge pier (1), a bridge girder erection machine (3) is arranged on the box girder (2), a front end main girder (4) of the bridge girder erection machine (3) is connected with a first door post cross beam (5), and an infrared emitter (6) is horizontally arranged at the top end of the first door post cross beam (5);
be provided with two track poles (9) that are parallel to each other on wall body (8), be provided with response synchronous shifter (10) on track pole (9), one side that wall body (8) were kept away from in response synchronous shifter (10) and be located the intermediate position and be provided with inductor group, one side that response synchronous shifter (10) are close to wall body (8) is provided with inductor group, inductor group and inductor group are connected, inductor group and converter (17) are connected, converter (17) are connected with early warning detection display (18).
2. The practical training bridge girder erection machine cross-span operation dynamic risk monitoring and risk control examination device according to claim 1, wherein the sensor group comprises a green sensor (11), a yellow sensor (12) and a red sensor (13), and the green sensor (11), the yellow sensor (12) and the red sensor (13) are sequentially arranged on the induction synchronous shifter (10) from top to bottom.
3. The practical training bridge girder erection machine striding operation dynamic risk monitoring and risk control examination device according to claim 2, wherein the sensor group comprises a first sensor (14), a second sensor (15) and a third sensor (16), the first sensor (14), the second sensor (15) and the third sensor (16) are sequentially arranged on the induction synchronous shifter (10) from top to bottom, the first sensor (14) is connected with the green inductor (11), the second sensor (15) is connected with the yellow inductor (12), and the third sensor (16) is connected with the red inductor (13).
4. The practical training bridge girder erection machine cross-span operation dynamic risk monitoring and risk control examination device according to claim 1, wherein two track rods (9) are horizontally arranged.
5. The practical training bridge girder erection machine cross-span operation dynamic risk monitoring and risk control examination device according to claim 1, wherein the distance between the two track rods (9) is larger than the transverse width of the bridge girder erection machine (3).
6. The practical training bridge girder erection machine cross-span operation dynamic risk monitoring and risk control assessment device according to claim 1, wherein the induction synchronous shifter (10) can move on two of the track rods (9), the induction synchronous shifter (10) moves synchronously with the bridge girder erection machine (3), and the relative distance between the induction synchronous shifter (10) and the front end girder (4) of the bridge girder erection machine (3) is kept unchanged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022628308.4U CN213958302U (en) | 2020-11-13 | 2020-11-13 | Dynamic risk monitoring and risk control checking device for over-span operation of practical training bridge girder erection machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022628308.4U CN213958302U (en) | 2020-11-13 | 2020-11-13 | Dynamic risk monitoring and risk control checking device for over-span operation of practical training bridge girder erection machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213958302U true CN213958302U (en) | 2021-08-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022628308.4U Expired - Fee Related CN213958302U (en) | 2020-11-13 | 2020-11-13 | Dynamic risk monitoring and risk control checking device for over-span operation of practical training bridge girder erection machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN213958302U (en) |
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2020
- 2020-11-13 CN CN202022628308.4U patent/CN213958302U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |