CN210507148U - Positioning and adjusting device for main tower cable guide pipe of cable-stayed bridge - Google Patents
Positioning and adjusting device for main tower cable guide pipe of cable-stayed bridge Download PDFInfo
- Publication number
- CN210507148U CN210507148U CN201920902220.1U CN201920902220U CN210507148U CN 210507148 U CN210507148 U CN 210507148U CN 201920902220 U CN201920902220 U CN 201920902220U CN 210507148 U CN210507148 U CN 210507148U
- Authority
- CN
- China
- Prior art keywords
- cable guide
- guide pipe
- inlet
- outlet
- preset
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004873 anchoring Methods 0.000 claims abstract description 10
- 230000008676 import Effects 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 238000005259 measurement Methods 0.000 description 8
- 238000005034 decoration Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a positioning adjustment device of cable-stay bridge king-tower cable pipe, positioning adjustment device include strength nature skeleton, measuring component and standard component. An anchoring area for anchoring the cable guide pipe is arranged in the stiff skeleton, and a datum point is preset on the stiff skeleton; the measuring assembly is used for adjusting the inlet and the outlet of the cable guide pipe to a preset elevation surface respectively according to the relation between the coordinate of the datum point and the preset coordinate of the inlet and the outlet of the cable guide pipe and the relative position relation between the datum point and the inlet and the outlet of the cable guide pipe; the standard assembly comprises two telescopic rods, one end of each telescopic rod is rotatably connected to the stiff framework, the other end of each telescopic rod is provided with a standard point, and the standard assembly is used for adjusting the two standard points to enable the connecting line of the two standard points to be coincident or parallel to the theoretical axis according to the relation between the coordinate of the reference point and the preset coordinate of the cable guide pipe inlet and outlet and the relative position relation between the reference point and the standard points. Under the condition of heavy fog and strong wind, the cable guide pipe can be quickly and accurately adjusted to the theoretical position.
Description
Technical Field
The utility model relates to a bridge construction technical field, concretely relates to positioning adjustment device of cable-stay bridge king-tower cable pipe.
Background
Along with the large-scale construction of highway and railway traffic networks in China, the construction of large-span cable-stayed bridges is frequent day by day. The stay cable is a main bearing member for directly transmitting the weight of a main girder and a bridge deck of the cable-stayed bridge to the tower frame, and the embedded positioning precision requirement of the upper tower column cable guide pipe is very high during the construction of a main tower of the cable-stayed bridge in order to ensure the construction quality of the stay cable.
The existing cable-stayed bridge main tower cable guide pipe pre-embedding positioning is generally that a total station is erected on the land by adjusting through the total station, the measurement of the three-dimensional coordinates of the cable guide pipe can be quickly realized by measuring a prism arranged at the position of the main tower cable guide pipe, the measured actual coordinates of the inlet and the outlet of the cable guide pipe are compared with theoretical coordinates, and the cable guide pipe is gradually adjusted to the theoretical position. However, when the visibility is low due to heavy fog weather, the total station cannot detect the prism, and when the total station cannot be leveled for measurement due to heavy wind weather, and the construction of the cable guide of the main tower cannot be stopped on site, the cable guide cannot be quickly and accurately adjusted to the theoretical position. The utility model discloses an adjustment method is simple high-efficient, does not receive the influence of weather such as the big fog of strong wind, and fixes a position accurately, does not influence main tower construction cycle.
SUMMERY OF THE UTILITY MODEL
To the defect that exists among the prior art, the utility model aims to provide a positioning adjustment device of cable-stay bridge king-tower cable pipe, measurement process do not receive weather effect, under big fog strong wind weather, also can be with the quick accurate adjustment of cable pipe to theoretical position.
In order to achieve the above purpose, the utility model adopts the technical proposal that:
a positioning and adjusting device of a cable guide pipe of a main tower of a cable-stayed bridge is characterized in that a longitudinal bridge direction, a transverse bridge direction and an elevation direction are respectively used as X, Y, Z shafts, a connecting line of preset positions of an inlet and an outlet of the cable guide pipe is defined as a theoretical axis, and the positioning and adjusting device comprises:
the cable guide pipe anchoring device comprises a stiff framework, wherein an anchoring area for anchoring a cable guide pipe is arranged in the stiff framework, and a reference point is preset on the stiff framework;
the measuring assembly is used for adjusting the inlet and the outlet of the cable guide pipe to a preset elevation surface respectively according to the relation between the coordinate of the datum point and the preset coordinate of the inlet and the outlet of the cable guide pipe and the relative position relation between the datum point and the inlet and the outlet of the cable guide pipe;
and the standard assembly comprises two telescopic rods, one end of each telescopic rod is rotatably connected to the stiff skeleton, the other end of each telescopic rod is provided with a standard point, and the standard assembly is used for adjusting the two standard points to enable the connecting line of the two standard points to be coincident with or parallel to the theoretical axis according to the relation between the coordinate of the reference point and the preset coordinate of the cable guide pipe inlet and outlet and the relative position relation between the reference point and the standard points.
On the basis of the technical scheme, the theoretical axis is perpendicular to the Y axis, two reference points are preset on the stiff skeleton and are respectively used for calibrating the positions of the inlet and the outlet of the cable guide pipe 1, and the connecting line of the two reference points is perpendicular to the Y axis.
On the basis of the technical scheme, the telescopic rod comprises:
one end of the first connecting rod is arranged on the stiff framework;
the second connecting rod penetrates through the first connecting rod, the second connecting rod can move along the length direction of the first connecting rod, and the standard point is located at one end, far away from the first connecting rod, of the second connecting rod.
On the basis of the technical scheme, a marking line is connected between the two standard points.
On the basis of the technical scheme, the first connecting rod is provided with scales.
On the basis of the technical scheme, scales are arranged on the second connecting rod.
On the basis of the technical scheme, the standard component further comprises two U-shaped fasteners, and the two telescopic rods are fixed on the stiff framework through the two U-shaped fasteners respectively.
On the basis of the technical scheme, two sides of the U-shaped fastener are fixed on the stiff skeleton through bolts, the U-shaped fastener is provided with a first threaded hole, one end of the telescopic rod is provided with a second threaded hole matched with the first threaded hole, the telescopic rod is fixed on the U-shaped fastener through bolts, and the bolts penetrate through the first threaded hole and the second threaded hole.
Compared with the prior art, the utility model has the advantages of:
the positioning and adjusting device of the cable guide pipe of the main tower of the cable-stayed bridge comprises a rigid framework, a measuring component and a standard component, wherein the rigid framework is provided with a datum point, adjusting the inlet and outlet of the cable guide pipe to a preset elevation surface respectively according to the relation between the coordinate of the reference point and the preset coordinate of the inlet and outlet of the cable guide pipe and the relative position relation between the reference point and the inlet and outlet of the cable guide pipe measured by the measuring assembly, wherein the standard assembly comprises two telescopic rods, one end of each telescopic rod is rotatably connected to the stiff framework, the other end of each telescopic rod is provided with a standard point, and the standard assembly is used for adjusting the inlet and outlet of the cable guide pipe to the preset elevation surface according to the relation between the coordinate of the reference point, and the relative position relation between the reference point and the standard points, wherein the two standard points are respectively adjusted to the preset elevation surface of the inlet and the outlet of the cable guide pipe, and then the two standard points are adjusted to enable the connecting line of the two standard points to be coincident with or parallel to the theoretical axis. The position of the theoretical axis is calibrated through the two standard points, and the inlet and the outlet of the cable guide pipe can be adjusted to the preset position by referring to the two standard points. The embodiment of the utility model provides a need not use the total powerstation, and the measurement process does not receive weather influence, consequently under big wind weather of big fog, also can be with the quick accurate adjustment of cable pipe to theoretical position.
Drawings
Fig. 1 is a schematic structural view of a positioning and adjusting device for a main tower cable guide pipe of a cable-stayed bridge according to an embodiment of the present invention;
fig. 2 is a schematic structural view of the telescopic rod in the embodiment of the present invention;
fig. 3 is a schematic structural view of a U-shaped fastener according to an embodiment of the present invention.
In the figure: 1-cable conduit, 10-theoretical axis, 2-stiff skeleton, 20-datum point, 3-standard component, 30-telescopic rod, 300-first connecting rod, 301-second connecting rod, 31-standard point, 302-second threaded hole, 32-marking line, 33-U-shaped fastener and 330-first threaded hole.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Referring to fig. 1, an embodiment of the present invention provides a positioning adjustment device for cable-stayed bridge main tower cable conduits, which uses a longitudinal direction, a transverse direction and an elevation direction as X, Y, Z axes, a connection line defining a preset position of an inlet and an outlet of a cable conduit 1 is a theoretical axis 10, the preset position of the inlet and the outlet of the cable conduit 1 is a circle center of an inlet and an outlet end surface of the cable conduit 1, the connection line of two circle centers is the theoretical axis 10, and preset coordinates of the inlet and the outlet of the cable conduit 1 are known, the positioning adjustment device in the embodiment of the present invention includes a stiff framework 2, a measuring assembly and a standard assembly 3, the stiff framework 2 is located in a main tower construction area, the stiff framework 2 is welded and fixed with a stiff framework pre-embedded during construction of a previous section, then the cable conduit 1 is hoisted to an anchoring area, the cable conduit 1 is anchored to the cable conduit 1 after being adjusted to the preset position, in order to prevent the influence of positioning measurement of the, the method comprises the steps of arranging a datum point 20 on a stiff framework 2 in advance under the condition of good weather, measuring coordinates of the datum point 20 through a total station, knowing position relations between the datum point 20 and preset coordinates of an inlet and an outlet of a cable guide pipe 1 due to the fact that the preset coordinates of the inlet and the outlet of the cable guide pipe 1 are known, adjusting the inlet and the outlet of the cable guide pipe 1 to preset elevation surfaces respectively according to the relation between the coordinates of the datum point 20 and the preset coordinates of the inlet and the outlet of the cable guide pipe 1 and the relative position relations between the datum point 20 and the inlet and the outlet of the cable guide pipe 1 measured through a measuring assembly, wherein the preset elevation surfaces refer to planes where preset elevations of the inlet and the outlet of the cable guide pipe 1 are located, and the preset elevations of the inlet and the outlet of the cable. For example: the coordinates of the reference point 20 are that the preset coordinates of the inlet of the cable guide pipe 1 are that, the preset coordinates of the outlet of the cable guide pipe 1 are that, then, the distance between the elevation of the reference point 20 and the preset elevation of the inlet of the cable guide pipe 1 is 2cm, the distance between the elevation of the reference point 20 and the preset elevation of the outlet of the cable guide pipe 1 is 4cm, then, the elevation difference between the reference point 20 and the inlet and the outlet of the cable guide pipe 1 is measured through the measuring assembly, so that the difference between the elevation of the inlet and the outlet of the cable guide pipe 1 and the preset elevation of the inlet and the outlet of the cable guide pipe 1 can be obtained, for example, the distance between the inlet of the cable guide pipe 1 and the reference point 20 is 1cm after the measurement, only the inlet of the cable guide pipe 1 needs to be moved downwards by 1cm, so that the inlet of the cable guide pipe 1 is positioned on the preset elevation surface of the inlet of the cable, the outlet of the cable guide 1 can be positioned at a predetermined level of the outlet of the cable guide 1 by simply moving the outlet of the cable guide 1 downwards by 1 cm. After the inlet and the outlet of the cable guide pipe 1 are respectively adjusted to the preset elevation surfaces, the X coordinate and the Y coordinate of the inlet and the outlet of the cable guide pipe 1 can be adjusted to the preset positions only by moving the inlet and the outlet of the cable guide pipe 1 along the X axis and the Y axis respectively on the two preset elevation surfaces.
The standard component 3 comprises two telescopic rods 30, one end of each telescopic rod 30 is rotatably connected to the stiff framework 2, the other end of each telescopic rod 30 is provided with a standard point 31, the other end of each telescopic rod can move towards and away from the cable guide pipe 1 in a telescopic mode, the standard component 3 is used for adjusting the two standard points 31 to preset elevation surfaces of the inlet and the outlet of the cable guide pipe 1 respectively according to the relation between the coordinates of the reference points 20 and the preset coordinates of the inlet and the outlet of the cable guide pipe 1 and the relative position relation between the reference points 20 and the standard points 31, and then the two standard points 31 are adjusted to enable the connecting line of the two standard points 31 to be. The position of the theoretical axis 10 is calibrated by two standard points 31, and the entrance and exit of the cable guide tube 1 can be adjusted to a preset position by referring to the two standard points 31. The embodiment of the utility model provides a need not use the total powerstation, and the measurement process does not receive weather influence, consequently under big wind weather of big fog, also can be with the quick accurate adjustment of cable pipe to theoretical position.
Referring to fig. 1, a theoretical axis 10 is perpendicular to a Y axis, two reference points 20 are preset on the stiff skeleton 2, the two reference points 20 are respectively used for calibrating the positions of the inlet and the outlet of the cable guide 1, and a connecting line of the two reference points 20 is perpendicular to the Y axis. The two datum points 20 are respectively arranged at the accessories of the inlet and the outlet of the cable guide pipe 1 and are respectively used for calibrating the inlet and the outlet of the cable guide pipe 1, and because the theoretical axis 10 is vertical to the Y axis, namely the preset Y coordinates of the inlet and the outlet of the cable guide pipe 1 are equal, the preset two datum points 20 are adjusted to the connecting line vertical to the Y axis through a total station, namely the Y coordinates of the two datum points 20 are equal, only the Y coordinates of one datum point 20 and the inlet and the outlet of the cable guide pipe 1 are needed to be known when the relation between the coordinates of the two datum points 20 and the preset coordinates of the inlet and the outlet of the cable guide pipe 1 is calculated, the measuring time is greatly saved, and.
Referring to fig. 2, the telescopic rod 30 includes a first connecting rod 300 and a second connecting rod 301, one end of the first connecting rod 300 is disposed on the stiff skeleton 2, the second connecting rod 301 is disposed in the first connecting rod 300, the second connecting rod 301 can move along the length direction of the first connecting rod 300, and the standard point 31 is located at one end of the second connecting rod 301 away from the first connecting rod 300. The Y coordinate of the standard point 31 is adjusted by retracting the second connecting rod 301 into the first connecting rod 300 or extending the second connecting rod 301 out of the first connecting rod 300, and the first connecting rod 300 and the second connecting rod 301 are provided with scales, so that the Y coordinate of the standard point 31 can be accurately adjusted, the X coordinate of the standard point 31 is adjusted by horizontally rotating the first connecting rod 300 on the stiff skeleton 2, and the Z coordinate of the standard point 31 is adjusted by vertically rotating the first connecting rod 300 on the stiff skeleton 2, so that the coordinate of the standard point 31 can be accurately adjusted to accurately calibrate the position of the theoretical axis 10.
Referring to fig. 1, a mark line 32 is connected between two standard points 31. The two standard points 31 are holes formed in one end of the second connecting rod 301, are tied on the two holes through the marking lines 32, and mark the theoretical axis 10 by using the marking lines 32, so that the marking lines 32 are overlapped or parallel to the theoretical axis 10, the position of the theoretical axis 10 can be observed more visually, the intangible theoretical axis 10 is converted into a tangible position, and the positions of the inlet and the outlet of the cable guide pipe 1 can be adjusted more directly and accurately.
Referring to fig. 3, the module 3 further includes two U-shaped fasteners 33, and the two telescopic rods 30 are respectively fixed to the stiff frame 2 through the two U-shaped fasteners 33. The U-shaped fastener 33 can be directly made of U-shaped steel on site, additional manufacturing is not needed, cost and working efficiency are saved, the U-shaped fastener 33 can be more suitable for the stiff framework 2, and fixation is firmer.
Referring to fig. 3, two sides of the U-shaped fastener 33 are fixed to the stiff skeleton 2 by bolts, the U-shaped fastener 33 is provided with a first threaded hole 330, one end of the telescopic rod 30 is provided with a second threaded hole 302 matched with the first threaded hole 330, the telescopic rod 30 is fixed to the U-shaped fastener 33 by bolts, and the bolts penetrate through the first threaded hole 330 and the second threaded hole 302. The horizontal rotation and the vertical rotation of the telescopic rod 30 can be realized, the X coordinate of the standard point 31 is adjusted by adjusting the horizontal rotation of the U-shaped fastener 33 on the stiff skeleton 2, and the Z coordinate of the standard point 31 is adjusted by vertically rotating the first connecting rod 300 on the U-shaped fastener 33, so that the coordinate of the standard point 31 can be accurately adjusted to accurately calibrate the position of the theoretical axis 10.
The embodiment of the utility model provides a still provide a method for using foretell location adjusting device to adjust cable-stay bridge king-tower cable pipe, it includes following step:
placing the cable guide 1 in the anchoring zone;
respectively adjusting the inlet and outlet of the cable guide pipe 1 to preset elevation surfaces according to the relationship between the coordinates of the reference point 20 and the preset coordinates of the inlet and outlet of the cable guide pipe 1 and the relative position relationship between the reference point 20 and the inlet and outlet of the cable guide pipe 1;
according to the relation between the coordinates of the reference point 20 and the preset coordinates of the inlet and outlet of the cable guide pipe 1, measuring the relative position relation between the reference point 20 and the two standard points 31 by using a measuring device, and adjusting the two standard points 31 to enable the connecting line of the two standard points 31 to be coincident with or parallel to the theoretical axis 10;
and respectively adjusting the inlet and the outlet of the cable guide pipe 1 to preset positions according to the relative position relationship between the two standard points 31 and the inlet and the outlet of the cable guide pipe 1.
The measuring device comprises a square and a level bar, specifically, according to the relation between the coordinate of the reference point 20 and the preset coordinate of the inlet and outlet of the cable guide pipe 1, the measuring device is used for measuring the relative position relation between the reference point 20 and the inlet and outlet of the cable guide pipe 1, and the inlet and outlet of the cable guide pipe 1 are respectively adjusted to the preset elevation surface, and the method specifically comprises the following steps:
according to the elevation difference between the elevation of the datum point 20 and the preset elevation of the inlet of the cable guide pipe 1, measuring the elevation difference between the elevation of the inlet of the cable guide pipe 1 and the elevation of the datum point 20 by using a measuring device to obtain the elevation difference between the elevation of the inlet of the cable guide pipe 1 and the preset elevation of the inlet of the cable guide pipe 1, and adjusting the inlet of the cable guide pipe 1 to be on a preset elevation surface;
and measuring the height difference between the height of the outlet of the cable guide pipe 1 and the height of the reference point 20 by using a measuring device according to the height difference between the height of the reference point 20 and the preset height of the outlet of the cable guide pipe 1 to obtain the height difference between the height of the outlet of the cable guide pipe 1 and the preset height of the outlet of the cable guide pipe 1, and adjusting the outlet of the cable guide pipe 1 to the preset height surface.
For example: the coordinates of the reference point 20 are that the preset coordinates of the inlet of the cable guide pipe 1 are that, the preset coordinates of the outlet of the cable guide pipe 1 are that, then, the distance between the elevation of the reference point 20 and the preset elevation of the inlet of the cable guide pipe 1 is 2cm, the distance between the elevation of the reference point 20 and the preset elevation of the outlet of the cable guide pipe 1 is 4cm, then, the elevation difference between the reference point 20 and the inlet and the outlet of the cable guide pipe 1 is measured through the measuring assembly, so that the difference between the elevation of the inlet and the outlet of the cable guide pipe 1 and the preset elevation of the inlet and the outlet of the cable guide pipe 1 can be obtained, for example, the distance between the inlet of the cable guide pipe 1 and the reference point 20 is 1cm after the measurement, only the inlet of the cable guide pipe 1 needs to be moved downwards by 1cm, so that the inlet of the cable guide pipe 1 is positioned on the preset elevation surface of the inlet of the cable, the outlet of the cable guide 1 can be positioned at a predetermined level of the outlet of the cable guide 1 by simply moving the outlet of the cable guide 1 downwards by 1 cm. After the inlet and the outlet of the cable guide pipe 1 are respectively adjusted to the preset elevation surfaces, the X coordinate and the Y coordinate of the inlet and the outlet of the cable guide pipe 1 can be adjusted to the preset positions only by moving the inlet and the outlet of the cable guide pipe 1 along the X axis and the Y axis respectively on the two preset elevation surfaces.
Further, before adjusting the two standard points 31 to make the connection line coincide with or parallel to the theoretical axis 10, the method further comprises the following steps:
according to the elevation difference between the elevation of the reference point 20 and the preset elevation of the inlet and outlet of the cable guide pipe 1, the elevation difference between the elevation of the reference point 20 and the elevation of the two standard points 31 is measured by using a measuring device, the elevation difference between the elevation of the two standard points 31 and the preset elevation of the inlet and outlet of the cable guide pipe 1 is obtained, and the two standard points 31 are respectively adjusted to the preset elevation surface. The specific measurement method is the same as above, and is not described herein again.
Furthermore, according to the relative position relationship between the standard point 31 and the cable guide tube 1 inlet and outlet, the cable guide tube 1 inlet and outlet are respectively adjusted to preset positions, which specifically comprises the following steps:
if the connecting line between the two standard points 31 is superposed with the theoretical axis 10, the inlet and the outlet of the cable guide pipe 1 are respectively adjusted to the positions of the two standard points 31, and the inlet and the outlet of the cable guide pipe 1 can be directly and respectively adjusted to preset positions;
if the connecting line between the two standard points 31 is parallel to the theoretical axis 10, and because the two standard points 31 are respectively located on the same preset elevation plane with the inlet and outlet of the cable guide pipe 1, only the difference between the X coordinate and the Y coordinate of the two standard points 31 and the preset X coordinate and the preset Y coordinate of the inlet of the cable guide pipe 1, and the difference between the X coordinate and the Y coordinate of the inlet of the cable guide pipe 1 and the preset X coordinate and the preset Y coordinate of the inlet of the cable guide pipe 1, and the difference between the X coordinate and the Y coordinate of the outlet of the cable guide pipe 1 and the preset X coordinate and the preset Y coordinate of the outlet of the cable guide pipe 1 are obtained by measuring the difference between the X coordinate and the Y coordinate of the inlet of the cable guide pipe 1 and the preset X coordinate and the Y coordinate of the outlet of the cable guide pipe 1, respectively adjusting the inlet and the outlet of the cable guide pipe 1 to.
And after the cable guide pipes 1 are adjusted, hoisting the next section of stiff framework 2, welding and fixing the next section of stiff framework 2 and the section of stiff framework, repeating the steps until all the cable guide pipes 1 are positioned and adjusted, and pouring all the stiff frameworks 2 to form the main tower of the cable-stayed bridge.
The utility model discloses adjustment method is simple high-efficient, does not receive the influence of weather such as the big fog of gale, and fixes a position accurately, does not influence main tower construction cycle.
The present invention is not limited to the above embodiments, and for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered to be within the protection scope of the present invention. Those not described in detail in this specification are within the skill of the art.
Claims (8)
1. The utility model provides a positioning adjustment device of cable-stay bridge king-tower cable pipe to longitudinal bridge is to, horizontal bridge to, the elevation direction is X, Y, Z axles respectively, and the line that defines cable pipe (1) import and export preset position is theoretical axis (10), its characterized in that, positioning adjustment device includes:
the cable guide pipe anchoring device comprises a stiff framework (2), wherein an anchoring area for anchoring a cable guide pipe (1) is arranged in the stiff framework (2), and a reference point (20) is preset on the stiff framework (2);
the measuring assembly is used for adjusting the inlet and the outlet of the cable guide pipe (1) to preset elevation surfaces respectively according to the relation between the coordinate of the reference point (20) and the preset coordinate of the inlet and the outlet of the cable guide pipe (1) and the relative position relation between the reference point (20) and the inlet and the outlet of the cable guide pipe (1);
the standard assembly (3) comprises two telescopic rods (30), one end of each telescopic rod (30) is rotatably connected to the stiff skeleton (2), the other end of each telescopic rod is provided with a standard point (31), and the standard assembly (3) is used for adjusting the two standard points (31) to enable the connecting line of the two standard points (31) to be coincident with or parallel to the theoretical axis (10) according to the relation between the coordinate of the reference point (20) and the preset coordinate of the inlet and outlet of the cable guide pipe (1) and the relative position relation between the reference point (20) and the standard points (31).
2. The positioning adjustment device according to claim 1, characterized in that the theoretical axis (10) is perpendicular to the Y-axis, two reference points (20) are preset on the stiff skeleton (2), the two reference points (20) are respectively used for calibrating the positions of the inlet and outlet of the cable guide (1), and the connecting line of the two reference points (20) is perpendicular to the Y-axis.
3. The positioning adjustment device according to claim 1, characterized in that the telescopic rod (30) comprises:
one end of the first connecting rod (300) is arranged on the stiff framework (2);
the second connecting rod (301) is arranged in the first connecting rod (300) in a penetrating mode, the second connecting rod (301) can move along the length direction of the first connecting rod (300), and the standard point (31) is located at one end, far away from the first connecting rod (300), of the second connecting rod (301).
4. The positioning adjustment device according to claim 3, characterized in that a marking line (32) is connected between two of the standard points (31).
5. The positioning adjustment device according to claim 3, wherein the first connecting rod (300) is provided with a scale.
6. The positioning adjustment device according to claim 3, characterized in that the second connecting rod (301) is provided with a scale.
7. The positioning adjustment device according to claim 1, characterized in that the modular assembly (3) further comprises two U-shaped fasteners (33), and the two telescoping rods (30) are respectively fixed on the stiff frame (2) by the two U-shaped fasteners (33).
8. The positioning adjustment device according to claim 7, characterized in that two sides of the U-shaped fastener (33) are fixed to the stiff frame (2) by bolts, a first threaded hole (330) is formed in the U-shaped fastener (33), a second threaded hole (302) adapted to the first threaded hole (330) is formed in one end of the telescopic rod (30), the telescopic rod (30) is fixed to the U-shaped fastener (33) by bolts, and the bolts penetrate through the first threaded hole (330) and the second threaded hole (302).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920902220.1U CN210507148U (en) | 2019-06-14 | 2019-06-14 | Positioning and adjusting device for main tower cable guide pipe of cable-stayed bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920902220.1U CN210507148U (en) | 2019-06-14 | 2019-06-14 | Positioning and adjusting device for main tower cable guide pipe of cable-stayed bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210507148U true CN210507148U (en) | 2020-05-12 |
Family
ID=70578766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920902220.1U Active CN210507148U (en) | 2019-06-14 | 2019-06-14 | Positioning and adjusting device for main tower cable guide pipe of cable-stayed bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210507148U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110241735A (en) * | 2019-06-14 | 2019-09-17 | 中铁大桥局集团第一工程有限公司 | The positioning adjustment device and method of adjustment of Cable stayed Bridge Main Tower cable guide pipe |
| CN114000411A (en) * | 2021-11-16 | 2022-02-01 | 中铁七局集团有限公司 | Cable-stayed bridge cable guide pipe positioning method |
-
2019
- 2019-06-14 CN CN201920902220.1U patent/CN210507148U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110241735A (en) * | 2019-06-14 | 2019-09-17 | 中铁大桥局集团第一工程有限公司 | The positioning adjustment device and method of adjustment of Cable stayed Bridge Main Tower cable guide pipe |
| CN110241735B (en) * | 2019-06-14 | 2024-02-27 | 中铁大桥局集团第一工程有限公司 | Positioning and adjusting device and method for main tower cable guide pipe of cable-stayed bridge |
| CN114000411A (en) * | 2021-11-16 | 2022-02-01 | 中铁七局集团有限公司 | Cable-stayed bridge cable guide pipe positioning method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109680615B (en) | Three-dimensional coordinate measuring construction method of short-line method section beam | |
| CN111851565B (en) | Steel structure stand column alignment structure with cup-mouth type foundation and construction method thereof | |
| CN107090775B (en) | A kind of full framing space beam-ends cable guide pipe construction localization method | |
| CN106223623B (en) | Steel construction box arched roof truss installation method | |
| CN204298720U (en) | A kind of concrete box girder being provided with cable guide pipe positioner | |
| CN111021253A (en) | Construction method for automatically positioning tunnel anchor anchoring system based on APP system and total station | |
| CN104674665B (en) | Large-spatial structures vestibule bridge installation method | |
| CN105157671A (en) | Monitoring method for bridge deformation in shield construction and system employed by method | |
| CN210507148U (en) | Positioning and adjusting device for main tower cable guide pipe of cable-stayed bridge | |
| CN108093979B (en) | Method for installing and constructing photovoltaic power generation body of light-agricultural combined greenhouse | |
| CN113090036A (en) | Integral hoisting construction method for steel structure net rack | |
| CN112900266B (en) | Steel truss girder splicing linear control method | |
| CN111561175B (en) | Prestress underpinning static force cutting and column pulling construction process | |
| CN110241735B (en) | Positioning and adjusting device and method for main tower cable guide pipe of cable-stayed bridge | |
| CN113622316A (en) | Steel truss girder multipoint traction type pushing construction system and construction method thereof | |
| CN111549815A (en) | Steel structure foundation bolt pre-embedding construction method | |
| CN105334014B (en) | A kind of adjustable suspension cable method for testing deflection of bridge span | |
| CN105735228B (en) | High-lift tooth climbs formula ship lift rack system construction method and installation accuracy control method | |
| CN108488483B (en) | Pipeline non-excavation construction method | |
| CN202544423U (en) | Hoisting structure of supporting steel column | |
| CN219080090U (en) | Hydraulic climbing formwork monitoring and posture adjusting device | |
| CN213952280U (en) | Support system of concrete track foundation embedded bolt | |
| CN107881914B (en) | Wire-dividing tube type cable saddle back field assembly type positioning device and assembly method | |
| CN104964674A (en) | Control net used for large structure building size | |
| CN104863259A (en) | Upside-down construction method for large-span ultra-high signal-layer cylindrical architectural steel structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |