CN211291455U - Measuring device for observing bridge tower offset - Google Patents
Measuring device for observing bridge tower offset Download PDFInfo
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- CN211291455U CN211291455U CN201921913246.2U CN201921913246U CN211291455U CN 211291455 U CN211291455 U CN 211291455U CN 201921913246 U CN201921913246 U CN 201921913246U CN 211291455 U CN211291455 U CN 211291455U
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Abstract
The utility model discloses a measuring device for observing bridge tower offset, which relates to the technical field of bridge construction, and comprises a base, a measuring scale, a laser device and a network camera device, wherein the measuring scale is perpendicular to the bridge tower and is fixed on the base; the laser device is arranged above the bridge tower and faces the measuring scale; the network camera device is arranged on the base and used for shooting and transmitting the video of the position change of the laser beam in the laser device on the measuring scale in real time. The utility model provides an among the prior art bridge tower offset measuring device's measured data problem that can not real-time transmission, can not only real-time transmission measured data, still improved measurement of efficiency.
Description
Technical Field
The utility model relates to a bridge construction technical field, concretely relates to a measuring device for observing bridge tower offset.
Background
In recent years, with the rapid development of economy in China, bridge construction not only makes great development, but also makes great contribution to the contact and economic construction of various regions. When the bridge is used for mounting and measuring the steel beam and the cable, the spatial positions of the steel beam, the cable and the like need to be adjusted through actually measuring the deviation data of the tower column, so that the steel beam, the cable and the like are located at the original design position.
In order to eliminate the influence of tower deviation on a structure in the prior art, a high-precision measuring robot is generally erected on a forced observation pier and the bridge tower offset is measured by a total station coordinate method, and because the height of a tower column is generally greater than 100 meters, a measurer needs to go up to the bridge tower to detect an embedded prism on each bridge tower during measurement each time and needs to perform measurement in a stable temperature state at the later night, so that the problems of low efficiency and incapability of transmitting measurement data in real time exist.
SUMMERY OF THE UTILITY MODEL
To the defect that exists among the prior art, the utility model aims to provide a measuring device for observing bridge tower offset, but real-time transmission measuring result, measurement of efficiency is high.
In order to achieve the above purpose, the utility model adopts the technical proposal that:
a measuring device for observing bridge tower offset comprises a base, a measuring scale, a laser device and a network camera device, wherein the measuring scale is arranged in the longitudinal bridge direction and is fixed on the base; the laser device is arranged above the bridge tower and faces the measuring scale; the network camera device is arranged on the base and used for shooting and transmitting the video of the position change of the laser beam in the laser device on the measuring scale in real time.
On the basis of the technical scheme, the measuring device further comprises a sun shade, the sun shade is fixed on the base and sleeved outside the measuring scale, and a bevel notch is formed in the upper end of the sun shade.
On the basis of the technical scheme, the measuring device comprises an auxiliary measuring scale which is arranged in the transverse bridge direction.
On the basis of the technical scheme, the laser device comprises a laser indicator and a sleeve, wherein the laser indicator is fixed in the sleeve, and the sleeve is fixed on the bridge tower.
On the basis of the technical scheme, the laser device further comprises an angle adjuster, the angle adjuster comprises two screw pull rods, one ends of the two screw pull rods are movably connected with the sleeve to form a triangular structure, and the other ends of the two screw pull rods are fixed on the bridge tower.
On the basis of the technical scheme, the laser device further comprises a height adjuster, one end of the height adjuster is fixedly connected to the sleeve, and the other end of the height adjuster is fixed on the bridge tower.
On the basis of the technical scheme, the measuring device further comprises a triangular bracket, and the laser device is fixed on the side face of the bridge tower through the triangular bracket.
On the basis of the technical scheme, the laser device further comprises an illuminating device, and the illuminating device is arranged on the base and used for illuminating the measuring scale.
On the basis of the technical scheme, the measuring scale is provided with a reflective sticker.
Compared with the prior art, the utility model has the advantages of:
(1) the utility model provides a measuring device for observing bridge tower offset, laser device among the device locate on the bridge tower and towards measuring scale, the video of the position change of laser beam on measuring scale among the network camera device shooting and the real-time transmission laser device, the problem that the measured data of bridge tower offset measuring device can not real-time transmission among the prior art has been solved, the device can not only real-time transmission measuring result, measurement of efficiency has still been improved.
(2) The device's lighting device locates on the base for the illumination measures the scale, guarantees that the device can measure the skew condition of pylon in all weather.
Drawings
Fig. 1 is a schematic structural diagram of a measuring device for observing bridge tower offset in an embodiment of the present invention;
fig. 2 is a detailed view of a measuring scale in an embodiment of the present invention;
fig. 3 is a detailed view of a laser device according to an embodiment of the present invention.
In the figure: 1-base, 2-measuring scale, 3-laser device, 31-laser indicator, 32-sleeve, 33-angle adjuster, 34-height adjuster, 35-triangular bracket, 36-bolt, 4-lighting device, 5-network camera device, 6-sun shade, 7-auxiliary measuring scale, and 8-bridge tower.
Detailed Description
The embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
Referring to fig. 1, an embodiment of the present invention provides a measuring device for observing bridge tower offset, including a base 1, a measuring scale 2, a laser device 3 and a network camera device 5, wherein the base 1 is made of precast concrete or steel plate, the measuring scale 2 is perpendicular to a bridge tower 8, the bottom of the measuring scale is tightly attached to the base 1, the measuring scale 2 can be made by rectangular engraving or circular engraving, the scale is in millimeter units, and a night reflective sticker is arranged on the measuring scale 2, so that images at night are clearer; the laser device 3 is arranged on a deformation characteristic point above the bridge tower 8 and faces the measuring scale 2, so that a laser beam in the laser device 3 is projected onto the measuring scale 2, and the offset of a large structure such as the bridge tower 8 and the like can be calculated through the position change information of the laser beam on the measuring scale 2; the network camera device 5 is arranged on the base 1, and the information network camera device 5 is used for shooting and transmitting the position change video of the laser beam on the measuring scale 2 to the remote monitoring platform in real time, and the remote monitoring platform obtains and stores the video transmitted by the network camera device 5 in real time, so that a user can monitor the displacement condition of large structures such as the bridge tower 8 and the like in real time all day long.
When the network camera device 5 is installed, the direction and the definition of the camera are required to be adjusted, and the image conditions in the day and at night are tested on the remote monitoring platform until the imaging is stable and clear, namely the installation work of the network camera device 5 is finished.
In addition, the transverse offset of the bridge tower 8 in the longitudinal bridge direction is large in change, the longitudinal offset change is small and can be ignored, and therefore the transverse offset of the bridge tower 8 can be measured to represent the whole offset of the bridge tower 8 in the longitudinal bridge direction. The steps for calculating the offset of bridge tower 8 are as follows: in the acquired video, first position data of the laser beam on the measurement scale 2 at the zero point in the morning is read as an initial value, then second position data of the laser beam on the measurement scale 2 after the zero point is read, and finally a difference value obtained by subtracting the first position data from the second position data is the transverse offset of the bridge tower 8 in the longitudinal bridge direction.
Preferably, the device still includes sky shade 6, adopts the PCV material of phi 20cm, and highly 10cm, outside sky shade 6 was fixed in base 1 and the cover was located measurement scale 2, the upper end of sky shade 6 was equipped with the scarf, can not only make laser beam not influenced by light such as sunshine, can also guarantee that network camera device 5 can normally shoot the position change condition of laser beam on measurement scale 2.
Preferably, the device further comprises an illuminating device 4, wherein the illuminating device 4 is arranged on the base 1 and used for illuminating the measuring scale 2, so that images at night are clearer, and the network camera device 5 can accurately acquire the position change condition of the laser beam on the measuring scale 2.
Preferably, as shown in fig. 2, the measuring device further includes an auxiliary measuring scale 7, the measuring scale 2 is arranged in a longitudinal direction, the auxiliary measuring scale 7 is arranged in a transverse direction, the transverse offset of the bridge tower 8 is calculated through the displacement change condition of the laser beam on the measuring scale 2, the longitudinal offset of the bridge tower 8 is calculated through the displacement change condition of the laser beam on the auxiliary measuring scale 7, and the transverse offset and the longitudinal offset which are obtained simultaneously can reflect the longitudinal offset condition of the bridge tower 8 more accurately.
Referring to fig. 3, the laser device 3 includes a laser pointer 31, a sleeve 32, an angle adjuster 33 and a height adjuster 34, and is powered by an external power supply; the laser pointer 31 is fixed in the sleeve 32 through a buckle, and the laser pointer 31 is a laser pen or other equipment capable of emitting laser beams; the angle adjuster 33 comprises two screw pull rods, one ends of the two screw pull rods are movably connected with the sleeve 32 to form a triangular structure, and the other ends of the two screw pull rods can be fixed on the bridge tower 8 and can also be fixed on the height adjuster 34; the height adjuster 34 is fixed to the sleeve 32 at one end and to the pylon 8 at the other end. When the laser indicator 31 is installed, the position relation between the laser indicator and the bridge tower 8 is adjusted through the angle adjuster 33 and the height adjuster 34 according to the height of the bridge tower 8, so that a laser beam is projected onto the measuring scale 2, and the offset condition of the bridge tower 8 is visually displayed on the measuring scale 2. In addition, a striking observation mark is posted beside the laser indicator 31, and a safety fence is arranged around the base 1 to post a reflective mark and a safety warning sign.
The measuring device further comprises a triangular bracket 35, the side plate of the triangular bracket 35 is fixedly connected to the bridge tower 8, and the top plate of the triangular bracket is fixedly connected to the bottom of the laser device 3 through a bolt 36.
The present invention is not limited to the above preferred embodiments, and any person can obtain other products in various forms without departing from the scope of the present invention, but any change in shape or structure is within the scope of protection.
Claims (9)
1. A measuring device for observing bridge tower offset, includes base (1), its characterized in that still includes:
the measuring scale (2), the measuring scale (2) is arranged in the longitudinal direction of the bridge and is fixed on the base (1);
the laser device (3) is fixed on the bridge tower (8), and the laser device (3) faces the measuring scale (2);
the network camera device (5) is arranged on the base (1) and is used for shooting and transmitting the video of the position change of the laser beam in the laser device (3) on the measuring scale (2) in real time.
2. A measuring device for observing bridge tower offsets according to claim 1, wherein: the measuring device further comprises a sun shade (6), the sun shade (6) is fixed on the base (1) and sleeved outside the measuring scale (2), and a bevel cut is formed in the upper end of the sun shade (6).
3. A measuring device for observing bridge tower offsets according to claim 1, wherein: the measuring device further comprises an auxiliary measuring scale (7), and the auxiliary measuring scale (7) is arranged in the transverse bridge direction.
4. A measuring device for observing bridge tower offsets according to claim 1, wherein: the laser device (3) comprises a laser indicator (31) and a sleeve (32), the laser indicator (31) is fixed in the sleeve (32), and the sleeve (32) is fixed on the bridge tower (8).
5. A measuring device for observing bridge tower offsets according to claim 4, wherein: the laser device (3) further comprises an angle adjuster (33), the angle adjuster (33) comprises two screw pull rods, one ends of the two screw pull rods are movably connected with the sleeve (32) to form a triangular structure, and the other ends of the two screw pull rods are fixed on the bridge tower (8).
6. A measuring device for observing bridge tower offsets according to claim 4, wherein: the laser device (3) further comprises a height adjuster (34), one end of the height adjuster (34) is fixedly connected to the sleeve (32), and the other end of the height adjuster is fixed to the bridge tower (8).
7. A measuring device for observing bridge tower offsets according to claim 1, wherein: the measuring device further comprises a triangular bracket (35), and the laser device (3) is fixed on the side face of the bridge tower (8) through the triangular bracket (35).
8. A measuring device for observing bridge tower offsets according to claim 1, wherein: the measuring device further comprises an illuminating device (4), wherein the illuminating device (4) is arranged on the base (1) and used for illuminating the measuring scale (2).
9. A measuring device for observing bridge tower offsets according to claim 1, wherein: and a reflective sticker is arranged on the measuring scale (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921913246.2U CN211291455U (en) | 2019-11-07 | 2019-11-07 | Measuring device for observing bridge tower offset |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921913246.2U CN211291455U (en) | 2019-11-07 | 2019-11-07 | Measuring device for observing bridge tower offset |
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| CN211291455U true CN211291455U (en) | 2020-08-18 |
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| CN201921913246.2U Active CN211291455U (en) | 2019-11-07 | 2019-11-07 | Measuring device for observing bridge tower offset |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114088050A (en) * | 2021-11-12 | 2022-02-25 | 中铁大桥局集团有限公司 | Steel tower installation and measurement method |
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2019
- 2019-11-07 CN CN201921913246.2U patent/CN211291455U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114088050A (en) * | 2021-11-12 | 2022-02-25 | 中铁大桥局集团有限公司 | Steel tower installation and measurement method |
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