CN215930896U - Large-section wide-span rigid frame bridge swivel quality monitoring system - Google Patents
Large-section wide-span rigid frame bridge swivel quality monitoring system Download PDFInfo
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- CN215930896U CN215930896U CN202122028059.XU CN202122028059U CN215930896U CN 215930896 U CN215930896 U CN 215930896U CN 202122028059 U CN202122028059 U CN 202122028059U CN 215930896 U CN215930896 U CN 215930896U
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Abstract
The utility model discloses a large-section wide-width rigid frame-spanning bridge rotation quality monitoring system, which comprises: the top surface of the swivel beam section is provided with a plurality of axis monitoring points and a plurality of elevation monitoring points; a 360-degree prism is arranged on any axis monitoring point, a tower ruler is arranged on any elevation monitoring point, and the 360-degree prism and the tower ruler are both arranged on the top surface of the swivel beam section through a fixing device; the total station is used for measuring data information of the axis monitoring point; the level gauge is used for measuring data information of the elevation monitoring points; the embedded strain gauges are embedded in the rotating body beam section at intervals. The utility model can accurately monitor the plane position change, elevation change and stress change on the rotating body beam section, and ensure the rotating body efficiency and quality.
Description
Technical Field
The utility model relates to the field of bridge rotation construction monitoring. More specifically, the utility model relates to a large-section wide-width rigid frame bridge rotating body quality monitoring system.
Background
The bridge turning construction refers to a technology for realizing the positioning and folding of a bridge by dynamically rotating a bridge body by means of external force bearing axis equipment. The technology has the greatest application advantage that the normal traffic operation is not hindered, and the technology is suitable for the construction of urban arterial roads with higher traffic density. The technology has the advantages of high operation safety, strong convenience and the like, and is now a key construction technology for building many urban roads and bridges. The bridge posture is monitored before, during and after the bridge is rotated so as to achieve the accurate control of the bridge, and the bridge posture monitoring device is one of key links of bridge rotation construction. In the structure of using a rotary table and a spherical hinge to pull a bridge to rotate, a commonly used monitoring method is to set a rotation scale mark on an upper rotary table to observe the rotation angle of the upper rotary table and calculate the rotation speed. However, the rotation condition of the upper rotary plate cannot completely reflect the posture change of the bridge in the rotation process, and the abnormal condition in the rotation process is not easy to find in time.
SUMMERY OF THE UTILITY MODEL
An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.
To achieve these objects and other advantages in accordance with the present invention, there is provided a large-section wide-width span rigid frame bridge swivel quality monitoring system, comprising:
the top surface of the swivel beam section is provided with a plurality of axis monitoring points and a plurality of elevation monitoring points; a 360-degree prism is arranged on any axis monitoring point, a tower ruler is arranged on any elevation monitoring point, and the 360-degree prism and the tower ruler are both arranged on the top surface of the swivel beam section through a fixing device;
the total station is arranged on the outer side of the swivel beam section and used for measuring data information of the axis monitoring point;
the leveling instrument is arranged on the outer side of the swivel beam section and used for measuring data information of the elevation monitoring point;
and the embedded strain gauges are embedded in the swivel beam section at intervals along the axis of the swivel beam section.
Preferably, the number of the axis monitoring points is two, and the two axis monitoring points are respectively arranged at two ends of the top surface of the swivel beam section along the axis of the swivel beam section; the total stations are used for measuring data information of the two axis monitoring points respectively.
Preferably, the number of the elevation monitoring points is four, and the elevation monitoring points are respectively arranged at four top corners of the top surface of the swivel beam section; the number of the leveling instruments is two, and the data information of the two elevation monitoring points is correspondingly measured respectively.
Preferably, a rotating structure for driving the rotating beam to rotate is arranged below the rotating beam section, the rotating structure comprises an upper rotating disc, a lower rotating disc and a spherical hinge arranged between the upper rotating disc and the lower rotating disc, a rotating angle and arc length signboard is arranged on the periphery of the upper rotating disc, and a pointer is fixedly arranged on the lower rotating disc.
Preferably, the fixing device comprises a base and a plurality of balance bars and fixing bars; the plurality of balance rods are uniformly arranged on the bottom surface of the base, one end of any balance rod is fixedly connected with the bottom surface of the base, the other end of the balance rod is in threaded connection with a supporting foot, and the supporting foot is fixedly connected with the top surface of the swivel beam section; a circular level is arranged on the upper end face of the base; the middle part of the base is provided with a cavity which is communicated up and down, through holes are formed in four side walls of the cavity, one end of the fixing rod penetrates through the through holes to enter the cavity, and the fixing rod is in threaded connection with the through holes.
Preferably, a fixing plate is fixedly arranged at one end of the fixing rod, which is located in the cavity, and an arc-shaped anti-slip pad is fixedly arranged on one side, which is far away from the fixing rod, of the fixing plate.
The utility model at least comprises the following beneficial effects:
according to the large-section wide-width span rigid frame bridge swivel quality monitoring system provided by the utility model, the axis monitoring points and the elevation monitoring points on the swivel beam sections are respectively observed through the total station and the level gauge, the plane position change and the elevation change of the swivel beam sections in the swivel process are monitored, so that the deflection of the swivel beam sections is calculated, and whether the swivel beam sections are subjected to torsional deformation or not can be observed, so that the swivel posture data of the swivel beam sections can be accurately mastered, and the swivel efficiency and the swivel quality are ensured. The 360-degree prism and the tower ruler are arranged on the top surface of the rotating beam section through the fixing device to replace manual mirror holding or directly fixed on a bridge floor, so that the positions of axis monitoring points or elevation monitoring points are convenient to adjust and position, and the measurement precision is improved in an auxiliary mode. And whether the stress change in the turning beam section exceeds the allowable value of concrete stress when the turning is measured by the embedded strain gauge, so that the construction safety is ensured.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
FIG. 1 is a schematic illustration of the location of the elevation monitoring points and the axis monitoring points in an embodiment of the present invention;
FIG. 2 is a front view of the fixing device according to the above embodiment of the present invention;
fig. 3 is a top view of the fixing device according to the above embodiment of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the utility model by referring to the description text.
It is to be noted that the experimental methods described in the following embodiments are all conventional methods unless otherwise specified, and the reagents and materials, if not otherwise specified, are commercially available; in the description of the present invention, the terms "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1 to 3, the present invention provides a large-segment wide span rigid frame bridge swivel quality monitoring system, which includes: the device comprises a swivel beam section 1, wherein the top surface of the swivel beam section 1 is provided with a plurality of axis monitoring points 3 and a plurality of elevation monitoring points 2; any axis monitoring point 3 is provided with a 360-degree prism, any elevation monitoring point 2 is provided with a tower ruler, and the 360-degree prism and the tower ruler are both arranged on the top surface of the swivel beam section 1 through a fixing device;
the total station is arranged on the outer side of the swivel beam section 1 and used for measuring data information of the axis monitoring point 3;
the leveling instrument is arranged on the outer side of the swivel beam section 1 and used for measuring data information of the elevation monitoring point 2;
and a plurality of embedded strain gauges embedded in the swivel beam section 1 at intervals along the axis of the swivel beam section 1.
In the technical scheme, the total station and the level gauge are used for respectively observing an axis monitoring point and an elevation monitoring point on the swivel beam section 1, the total station can adopt an intelligent total station, namely a measuring robot, so as to realize automatic identification, collimation and measurement of a plurality of measuring points, the total station is matched with the 360-degree prism, and the plane position of the central line of the swivel beam section 1 is monitored by measuring data information such as the distance and the coordinate of the axis monitoring point. The spirit level can adopt the spirit level of conventional market, the spirit level with the sopwith staff cooperatees, through measuring the elevation data of elevation monitoring point to the monitoring the elevation change of swivel beam section 1. The total station and the level are arranged at a stable position outside the swivel beam section 1, such as on approach bridges or mountains at both sides of the swivel beam section 1. Before the swivel, the total station and the leveling instrument are used for measuring the distance and the elevation between the obstacle which possibly obstructs the swivel in the area of the range of the radius of the swivel beam section 1 and the swivel beam section 1, and the obstacle which is confirmed to be obstructed after observation is removed, so that the swivel safety is ensured. And the initial measurement before turning is carried out on the turning beam section 1, the coordinate data of each axis monitoring point and each elevation monitoring point are measured, the on-site lofting and the identification presetting are carried out, and then the corresponding coordinate after turning is calculated. In the swivel process, the total station and the level gauge are used for observing the coordinate data changes of each axis monitoring point and each elevation monitoring point so as to monitor the swivel beam section 1 in the swivel process. And the swivel angle and swivel speed of the swivel beam section 1 can be calculated according to the coordinate data monitored before and during the swivel. The 360-degree prism and the tower ruler are arranged on the top surface of the rotating beam section through the fixing device to replace a manual mirror holding mode or directly fixed on a bridge floor, so that the positions of axis monitoring points or elevation monitoring points are convenient to adjust and position, and the measurement accuracy is improved in an auxiliary mode. In addition, when the swivel beam section 1 is a large-section wide span rigid frame bridge section, two cantilevers at two ends of the swivel beam section are large, in order to monitor whether the stress value in the whole beam section exceeds a concrete stress allowable value, six stress monitoring sections are respectively arranged at the root part, the span center and the closure section of the beam section along the axis of the swivel beam section 1, and 4-6 embedded strain gauges are embedded in each section. And acquiring the measurement data of each embedded strain meter through a data acquisition unit, and monitoring the stress change of each stress monitoring section in the rotation process in real time.
In another embodiment, two axis monitoring points 3 are provided, and are respectively arranged at two ends of the top surface of the swivel beam section 1 along the axis of the swivel beam section 1; the total stations are used for observing data information of the two axis monitoring points respectively. In this technical solution, the axis monitoring point is disposed on the centerline 1m away from the beam section, and the two total stations are respectively used for observing data information such as the distance and coordinates of one axis monitoring point, so as to monitor the plane position of the centerline of the swivel beam section 1.
In another embodiment, four elevation monitoring points 2 are arranged at four top corners of the top surface of the swivel beam section 1; the number of the level gauges is two, and the two level gauges are used for correspondingly measuring data information of the elevation monitoring points 2 respectively. In the technical scheme, four elevation monitoring points 2 are respectively arranged on four top corners of the top surface of the swivel beam section 1, and two leveling instruments respectively observe elevation change values of the two elevation monitoring points 2.
In another embodiment, a swivel structure for driving the swivel beam section 1 to rotate is arranged below the swivel beam section, the swivel structure comprises an upper rotary table, a lower rotary table and a spherical hinge arranged between the upper rotary table and the lower rotary table, a swivel angle and arc length signboard is arranged on the periphery of the upper rotary table, and a pointer is fixedly arranged on the lower rotary table. In the technical scheme, the rotation angle and arc length signboard is provided with angle and arc length scales, the pointer is fixed on the lower rotary disc and does not rotate, and the upper rotary disc rotates in the rotation process, so that the rotation angle and the rotation arc length of the upper rotary disc can be synchronously read through the pointer, the rotation speed is calculated, and whether the rotation is about to be finished or not can be conveniently and timely judged, and the braking is carried out.
In another embodiment, the fixing means comprise a base 6 and a plurality of balancing bars 5 and a plurality of fixing bars 7; the plurality of balance rods 5 are uniformly arranged on the bottom surface of the base 6, one end of any balance rod 5 is fixedly connected with the bottom surface of the base 6, the other end of the balance rod is in threaded connection with a supporting foot 4, and the supporting foot 4 is fixedly connected with the top surface of the swivel beam section 1; a circular level 10 is arranged on the upper end face of the base 6; the middle part of the base 6 is provided with a cavity which is communicated up and down, through holes are formed in four side walls of the cavity, one end of the fixing rod 7 penetrates through the through holes to enter the cavity, and the fixing rod 7 is in threaded connection with the through holes.
In this technical scheme, the mounting end of the 360 ° prism or the tower ruler is inserted into the cavity directly or through a connecting rod, one fixing rod 7 correspondingly passes through one through hole, and the length of the fixing rod 7 extending into the cavity is adjusted to limit the movement of the 360 ° prism or the tower ruler in four directions, namely front, back, left and right, so as to firmly fix the 360 ° prism or the tower ruler. The fixing rod 7 is in threaded connection with the through hole, if the fixing rod 7 can be a screw rod, threads matched with the screw rod are arranged on the inner wall of the through hole, and therefore the length of the fixing rod 7 extending into the cavity can be adjusted, and the fixing rod 7 can be adapted to 360-degree prisms or the tower staff in various sizes. One end of arm brace 4 can be through the bolt fastening on the bridge floor, arm brace 4's the other end with 5 threaded connection of balancing pole, if can set up the screw hole on the balancing pole 5, it is corresponding the one end of arm brace 4 sets up screw rod and nut, consequently through the threaded connection length between the fine setting two, adjusts 6 corresponding azimuth height of base, and through circular level 10 judges whether the base is level, compare in the manual work hold the mirror or directly will 360 prism or the sopwith staff fixes on the bridge floor, not only can guarantee the measurement accuracy of each axis monitoring point 3 or each elevation monitoring point 2, also convenient removal and dismantlement.
In another embodiment, a fixing plate 8 is fixedly arranged at one end of the fixing rod 7 positioned in the cavity, and an arc-shaped anti-skid pad 9 is fixedly arranged on one side of the fixing plate 8 far away from the fixing rod 7.
In this solution, the fixing plate 8 may be welded on the end surface of the fixing rod 7 to increase the contact area between the fixing rod 7 and the object to be fixed inserted into the cavity. When the object to be fixed is cylindrical, the arc-shaped anti-skid pad can further increase the contact area while preventing skid.
While embodiments of the utility model have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the utility model pertains, and further modifications may readily be made by those skilled in the art, it being understood that the utility model is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (6)
1. The utility model provides a big section broad width is striden rigid frame bridge and is turned quality monitoring system which characterized in that includes:
the top surface of the swivel beam section is provided with a plurality of axis monitoring points and a plurality of elevation monitoring points; a 360-degree prism is arranged on any axis monitoring point, a tower ruler is arranged on any elevation monitoring point, and the 360-degree prism and the tower ruler are both arranged on the top surface of the swivel beam section through a fixing device;
the total station is arranged on the outer side of the swivel beam section and used for measuring data information of the axis monitoring point;
the leveling instrument is arranged on the outer side of the swivel beam section and used for measuring data information of the elevation monitoring point;
and the embedded strain gauges are embedded in the swivel beam section at intervals along the axis of the swivel beam section.
2. The large-section wide-span rigid frame bridge swivel mass monitoring system according to claim 1, wherein the number of the axis monitoring points is two, and the two axis monitoring points are respectively arranged at two ends of the top surface of the swivel beam section along the axis of the swivel beam section; the total stations are used for measuring data information of the two axis monitoring points respectively.
3. The large-section wide-width span rigid frame bridge swivel mass monitoring system according to claim 1, wherein the number of the elevation monitoring points is four, and the elevation monitoring points are respectively arranged at four top corners of the top surface of the swivel beam section; the number of the leveling instruments is two, and the data information of the two elevation monitoring points is correspondingly measured respectively.
4. The large-section wide-span rigid frame bridge swivel quality monitoring system according to claim 1, wherein a swivel structure for driving the swivel structure to rotate is arranged below the swivel beam section, the swivel structure comprises an upper swivel plate, a lower swivel plate and a spherical hinge arranged between the upper swivel plate and the lower swivel plate, a swivel angle and arc length signboard is arranged on the periphery of the upper swivel plate, and a pointer is fixedly arranged on the lower swivel plate.
5. The large-segment wide-span rigid-frame bridge swivel mass monitoring system of claim 1, wherein the fixing device comprises a base and a plurality of balancing rods and a plurality of fixing rods; the plurality of balance rods are uniformly arranged on the bottom surface of the base, one end of any balance rod is fixedly connected with the bottom surface of the base, the other end of the balance rod is in threaded connection with a supporting foot, and the supporting foot is fixedly connected with the top surface of the swivel beam section; a circular level is arranged on the upper end face of the base; the middle part of the base is provided with a cavity which is communicated up and down, through holes are formed in four side walls of the cavity, one end of the fixing rod penetrates through the through holes to enter the cavity, and the fixing rod is in threaded connection with the through holes.
6. The large-section wide-width rigid-frame-spanning bridge swivel quality monitoring system according to claim 5, wherein a fixing plate is fixedly arranged at one end of the fixing rod, which is located in the cavity, and an arc-shaped anti-skid pad is fixedly arranged at one side of the fixing plate, which is far away from the fixing rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122028059.XU CN215930896U (en) | 2021-08-26 | 2021-08-26 | Large-section wide-span rigid frame bridge swivel quality monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122028059.XU CN215930896U (en) | 2021-08-26 | 2021-08-26 | Large-section wide-span rigid frame bridge swivel quality monitoring system |
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| Publication Number | Publication Date |
|---|---|
| CN215930896U true CN215930896U (en) | 2022-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122028059.XU Active CN215930896U (en) | 2021-08-26 | 2021-08-26 | Large-section wide-span rigid frame bridge swivel quality monitoring system |
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| CN (1) | CN215930896U (en) |
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2021
- 2021-08-26 CN CN202122028059.XU patent/CN215930896U/en active Active
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