CN211973148U - Prestressed pipeline positioning device and main cable strand anchoring system - Google Patents
Prestressed pipeline positioning device and main cable strand anchoring system Download PDFInfo
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- CN211973148U CN211973148U CN202020619840.7U CN202020619840U CN211973148U CN 211973148 U CN211973148 U CN 211973148U CN 202020619840 U CN202020619840 U CN 202020619840U CN 211973148 U CN211973148 U CN 211973148U
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Abstract
The utility model belongs to the technical field of the construction technique and specifically relates to a prestressing force pipeline positioner and main push-towing rope strand anchoring system are related to. The prestressed pipeline positioning device comprises a base frame and a positioning support, wherein at least two jacks are arranged at the lower end of the base frame at intervals, one end of each jack is used for being fixedly connected with a pre-buried steel plate in the first-layer concrete of the anchor block, and the other end of each jack is used for being hinged with the lower end of the base frame; the positioning support is fixedly connected with the base frame and used for positioning and fixing the prestressed pipeline. The utility model discloses a set up two at least jacks, and two at least jacks are that the interval sets up, through adjusting the distance of two jack jacking respectively, can be convenient for adjust the inclination of bed frame, and then can adjust the inclination of fixing the prestressed pipe way in the locating support to guarantee that the straightness that hangs down of axis direction, spatial position, the anchor face of steel strand wires strand in the prestressed pipe way accords with the design requirement.
Description
Technical Field
The utility model belongs to the technical field of the construction technique and specifically relates to a prestressing force pipeline positioner and main push-towing rope strand anchoring system are related to.
Background
The installation of the existing prestressed pipeline and the concrete pouring of the anchoring base are carried out simultaneously, in order to prevent the prestressed pipeline from generating a dislocation phenomenon in the concrete pouring process of the anchoring base and ensure that the axis direction, the spatial position and the verticality of the anchoring surface of a steel strand in the prestressed pipeline meet the design requirements, a support is usually adopted and the prestressed pipeline is fixed on the support, but the existing support is processed according to the predicted size, after the prestressed pipeline arrives at a construction site, the support body can be cut or welded for repair due to processing errors, the installation and adjustment are inconvenient, the construction speed is low, steel consumption is high, and the construction period is long.
SUMMERY OF THE UTILITY MODEL
A first object of the utility model is to provide a prestressing force pipeline positioner to alleviate the technical problem that the installation adjustment that exists cuts or repair welding the support because of needs leads to is inconvenient, the construction cycle is long among the prior art.
A second object of the utility model is to provide a main push-towing rope strand anchor system to alleviate the technical problem that the installation adjustment that exists among the prior art leads to because of needs cut or repair welding the support inconvenient, the construction cycle is long.
Based on the first purpose, the utility model provides a prestressed pipeline positioning device, including bed frame and locating support, the lower extreme interval of bed frame is provided with two at least jacks, one end of jack is used for with anchor block first layer concrete in the pre-buried steel sheet fixed connection, the other end of jack is used for with the lower extreme of bed frame is articulated; the positioning support is fixedly connected with the base frame and used for positioning and fixing the prestressed pipeline.
Further, in some optional embodiments, the jack is detachably connected with the embedded steel plate;
the prestressed pipeline positioning device further comprises a supporting piece, one end of the supporting piece is fixedly connected with the embedded steel plate, and the other end of the supporting piece is fixedly connected with the lower end of the base frame.
Further, in some optional embodiments, the support member is a steel pipe, one end of the steel pipe is welded to the embedded steel plate, and the other end of the steel pipe is welded to the lower end of the base frame.
Further, in some optional embodiments, the base frame comprises a first base frame and a second base frame, the positioning bracket comprises a first positioning bracket and a second positioning bracket, the first positioning bracket is mounted on the first base frame, and the first positioning bracket is provided with a plurality of first mounting positions; the second positioning support is arranged on the second base frame, the second positioning support is provided with a plurality of second installation positions, the first base frame and the second base frame are arranged at intervals, and the second base frame is located obliquely above the first base frame, so that the fixing frame is arranged at a set angle between the axis of the prestressed pipeline in the corresponding first installation position and the second installation position and the upper surface of the first layer of concrete of the anchor block.
Further, in some optional embodiments, each of the first base frame and the second base frame includes a plurality of frame bodies, each of the frame bodies includes a first vertical rod, a second vertical rod, a parallel connection and an inclined strut, the first vertical rod and the second vertical rod are arranged in parallel at intervals, the length of the second vertical rod is greater than that of the first vertical rod, and the lower ends of the first vertical rod and the second vertical rod are respectively hinged with one of the jacks; one end of the parallel connection is fixedly connected with the upper end of the first vertical rod, the other end of the parallel connection is fixedly connected with the second vertical rod, and the length direction of the parallel connection is vertical to the length direction of the first vertical rod; one end of the inclined strut is fixedly connected with the upper end of the first vertical rod, and the other end of the inclined strut is fixedly connected with the upper end of the second vertical rod;
a plurality of the support body interval sets up to make a plurality of the parallel interval of bracing sets up.
Further, in some optional embodiments, the first positioning bracket includes a plurality of first rectangular frames, the plurality of first rectangular frames are arranged at intervals along an arrangement direction of the plurality of frame bodies of the first base frame, a plurality of first positioning rods are arranged between two adjacent first rectangular frames, the plurality of first positioning rods are arranged at intervals along a length direction of the first rectangular frames, a position of each first positioning rod corresponds to one first installation position, and the prestressed pipe is used for being fixedly connected with the first positioning rods.
Further, in some optional embodiments, the first positioning rod is provided with a connecting plate, the connecting plate is provided with an arc-shaped groove matched with the outer wall of the prestressed pipe, and the prestressed pipe is used for being welded with the connecting plate.
Further, in some optional embodiments, the second positioning bracket includes a plurality of second rectangular frames, the plurality of second rectangular frames are arranged at intervals along the arrangement direction of the plurality of frame bodies of the second base frame, a plurality of second positioning rods are arranged between two adjacent second rectangular frames, the plurality of positioning rods are arranged at intervals along the length direction of the second rectangular frames, the position of each second positioning rod corresponds to one second mounting position, and the prestressed pipe is used for being fixedly connected with the second positioning rod.
Further, in some optional embodiments, the outer side of the positioning bracket is provided with a splicing positioning piece.
Based on the second purpose, the utility model also provides a main push-towing rope strand anchor system, include prestressing force pipeline positioner.
Compared with the prior art, the beneficial effects of the utility model mainly include:
the utility model provides a prestressed pipeline positioning device, including bed frame and locating support, the lower extreme interval of bed frame is provided with two at least jacks, one end of jack is used for with the pre-buried steel sheet fixed connection in the anchor block first layer concrete, the other end of jack is used for with the lower extreme of bed frame is articulated; the positioning support is fixedly connected with the base frame and used for positioning and fixing the prestressed pipeline.
Based on this structure, the utility model provides a prestressed pipe positioner, through setting up two at least jacks, and two at least jacks are the interval setting, through adjusting two jack jacking distances respectively, can be convenient for adjust the inclination of bed frame, and then can adjust the inclination of the prestressed pipe who fixes in the locating support to guarantee that the straightness that hangs down of the axis direction of the steel strand wires strand in the prestressed pipe, spatial position, anchor face accords with the design requirement. When the device is used, one end of the jack is fixedly connected with the embedded steel plate in the first-layer concrete of the anchor block, the other end of the jack is hinged with the lower end of the base frame, and the jacking distances of the two jacks are adjusted respectively, so that the inclination angle of the prestressed pipeline is a set angle. In the adjusting process, the base frame does not need to be cut or repaired, and the construction period is shortened.
The utility model provides a main push-towing rope strand anchoring system, owing to used the utility model provides a prestressing force pipeline positioner need not to cut or repair welding the bed frame, just can carry out quick adjustment to the inclination of bed frame, and then can adjust the inclination of fixing the prestressing force pipeline in the locating support to guarantee that the straightness that hangs down of the axis direction, spatial position, the anchor face of steel strand wires strand in the prestressing force pipeline accords with the designing requirement, shortened construction cycle.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic front view of a prestressed pipe positioning device according to an embodiment of the present invention;
fig. 2 is a schematic top view of a positioning device for a prestressed pipe according to an embodiment of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 1 at D;
fig. 4 is a schematic structural view of a frame body in a prestressed pipe positioning device according to a first embodiment of the present invention;
FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;
fig. 6 is a schematic front view of a first positioning bracket in a prestressed pipe positioning apparatus according to an embodiment of the present invention;
FIG. 7 is a cross-sectional view taken along line B-B of FIG. 6;
FIG. 8 is a cross-sectional view taken along line C-C of FIG. 6;
fig. 9 is a schematic view illustrating a first positioning rod of a positioning device for a prestressed pipe according to an embodiment of the present invention is fixed to the prestressed pipe;
fig. 10 is a schematic view illustrating that two first positioning brackets of a prestressed pipe positioning apparatus according to an embodiment of the present invention are spliced together.
Icon: 100-rear anchor face; 200-front anchor face; 300-anchor block first layer concrete; 400-prestressed pipe; 500-main cable centerline; 101-a first base frame; 102-a second pedestal; 103-a first positioning bracket; 104-a second positioning bracket; 105-a jack; 106-a first vertical bar; 107-second vertical bar; 108-parallel connection; 109-diagonal bracing; 110-section steel; 111-a first connecting rod; 112-a second connecting rod; 113-long side; 114-short side; 115-horizontal strut; 116-a diagonal rod; 117-first positioning rod; 118-a connecting plate; 119-a splicing positioning piece; 120-a first rectangular frame; 121-a second rectangular frame; 122-embedding a steel plate; 123-articulated shaft.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example one
Referring to fig. 1 to 10, the embodiment provides a prestressed pipe positioning device, which includes a base frame and a positioning support, wherein at least two jacks 105 are arranged at the lower end of the base frame at intervals, one end of each jack 105 is used for being fixedly connected with an embedded steel plate 122 in an anchor block first-layer concrete 300, and the other end of each jack 105 is used for being hinged to the lower end of the base frame; the positioning bracket is fixedly connected with the base frame and is used for positioning and fixing the prestressed pipeline 400.
Based on this structure, the prestressed pipe positioner that this embodiment provided, through setting up two at least jacks 105, and two at least jacks 105 are the interval setting, through adjusting the distance of two jack 105 jacking respectively, can be convenient for adjust the inclination of bed frame, and then can adjust the inclination of the prestressed pipe who fixes in the locating support to guarantee that the straightness that hangs down of the axis direction of the steel strand wires strand in the prestressed pipe, spatial position, anchor face accords with the design requirement. When using, with the one end of jack 105 and the pre-buried steel sheet 122 fixed connection in the anchor block first layer concrete 300, articulated the other end of jack 105 and the lower extreme of bed frame, adjust the distance of two jack 105 liftings respectively for the inclination of prestressing force pipeline is the set angle. In the adjusting process, the base frame does not need to be cut or repaired, and the construction period is shortened.
Further, in some optional embodiments, the jack 105 is detachably connected to the embedded steel plate 122; the prestressed pipeline positioning device further comprises a supporting piece, one end of the supporting piece is fixedly connected with the embedded steel plate 122, and the other end of the supporting piece is fixedly connected with the lower end of the base frame.
After the angle is adjusted, the position of the jack 105 is replaced by the support piece, one end of the support piece is fixedly connected with the embedded steel plate, the other end of the support piece is fixedly connected with the lower end of the base frame, then the jack 105 is taken out, and the jack can be used later.
Further, in some optional embodiments, the support member is a steel pipe, one end of the steel pipe is welded to the embedded steel plate, and the other end of the steel pipe is welded to the lower end of the base frame.
It should be noted that the jack 105 may also be welded to the embedded steel plate 122. The jack 105 is easy to operate and relatively low in cost, so that the jack can be used once, and after construction is completed, the jack 105 is fixed in anchoring base concrete.
If jack 105 and pre-buried steel sheet 122 welding, through setting up the steel pipe, can avoid appearing the phenomenon that causes the bed frame position change because of jack 105 became invalid.
Further, in certain alternative embodiments, referring to fig. 1, the base frame comprises a first base frame 101 and a second base frame 102, the positioning bracket comprises a first positioning bracket 103 and a second positioning bracket 104, the first positioning bracket 103 is mounted on the first base frame 101, and the first positioning bracket 103 is provided with a plurality of first mounting positions; the second positioning bracket 104 is installed on the second base frame 102, the second positioning bracket 104 is provided with a plurality of second installation positions, the first base frame 101 and the second base frame 102 are arranged at intervals, and the second base frame 102 is located obliquely above the first base frame 101, so that an included angle alpha between the axis of the prestressed pipeline of the fixed frame in the corresponding first installation position and the second installation position and the upper surface of the first layer of anchor block concrete 300 is a set angle. The first base frame 101 is fixedly connected with a pre-buried steel plate in the anchor block first-layer concrete 300 through a jack 105.
The key to the positioning and installation of the first base frame 101 and the second base frame 102 is to control the positions of the top surfaces thereof so as to facilitate the accurate installation of the first positioning bracket 103 and the second positioning bracket 104. Specifically, the first positioning bracket 103 is welded to the top end of the first base frame 101, and the second positioning bracket 104 is welded to the top end of the second base frame 102. The size of the included angle between the axis of the pre-stressed pipe and the upper surface of the anchor block first layer concrete 300 is related to the angle between the main cable center line 500 and the upper surface of the anchor block first layer concrete 300, and the angle between the main cable center line 500 and the upper surface of the anchor block first layer concrete 300 is determined according to construction requirements.
Further, in some optional embodiments, each of the first base frame 101 and the second base frame 102 includes a plurality of frame bodies, each of the frame bodies includes a first vertical rod 106, a second vertical rod 107, a parallel connection 108 and an inclined strut 109, the first vertical rod 106 and the second vertical rod 107 are arranged in parallel at intervals, and the length of the second vertical rod 107 is greater than that of the first vertical rod 106, as shown in fig. 3, a lower end of the first vertical rod 106 and a lower end of the second vertical rod 107 are respectively hinged to a jack 105 through a hinge shaft 123; one end of the parallel connection 108 is fixedly connected with the upper end of the first vertical rod 106, the other end of the parallel connection 108 is fixedly connected with the second vertical rod 107, and the length direction of the parallel connection 108 is vertical to the length direction of the first vertical rod 106; one end of the inclined strut 109 is fixedly connected with the upper end of the first vertical rod 106, and the other end of the inclined strut 109 is fixedly connected with the upper end of the second vertical rod 107; the plurality of frame bodies are arranged at intervals, so that the plurality of inclined struts 109 are arranged at intervals in parallel.
In the present embodiment, as shown in fig. 4 and 5, one end of the parallel connection 108 is welded to the upper end of the first vertical rod 106, the other end of the parallel connection 108 is welded to the second vertical rod 107, and the length direction of the parallel connection 108 is perpendicular to the length direction of the first vertical rod 106; one end of the inclined strut 109 is welded with the upper end of the first vertical rod 106, and the other end of the inclined strut 109 is welded with the upper end of the second vertical rod 107; the plurality of frame bodies are arranged at intervals so that the plurality of inclined struts 109 are arranged at intervals in parallel, wherein the plurality of frame bodies are welded together by the first connecting rods 111 to form an integral structure.
For anchoring and accurate positioning of the base frame, steel plates are placed and embedded at the positions of the first vertical rod 106 and the second vertical rod 107 when the first layer concrete 300 of the anchor block is poured. After the first-layer concrete 300 of the anchor block is poured, the positions of the first vertical rod 106 and the second vertical rod 107 are accurately set out on the embedded steel plate 122, and the jack 105, the first vertical rod 106, the second vertical rod 107 and the parallel connection 108 are sequentially installed. The jacking distance of the jack 105 is adjusted, whether the top surfaces of the first pedestal 101 and the second pedestal 102 are correct or not is detected, and the fact that the height and the inclined plane angle of the top surface of the pedestal meet the precision requirement is mainly guaranteed through the existing total station by adopting a three-dimensional coordinate method.
Further, in some alternative embodiments, referring to fig. 2, the first positioning bracket 103 includes a plurality of first rectangular frames 120, the plurality of first rectangular frames 120 are disposed at intervals along the arrangement direction of the plurality of frames of the first base frame 101, a plurality of first positioning rods 117 are disposed between two adjacent first rectangular frames 120, the plurality of first positioning rods 117 are disposed at intervals along the length direction of the first rectangular frames 120, the position of each first positioning rod 117 corresponds to one first installation position, and the prestressed pipe is used for being fixedly connected with the first positioning rods 117.
In this embodiment, both ends of the plurality of first rectangular frames 120 in the length direction are welded together by the second connection rods 112, respectively, to form an integral structure.
Referring to fig. 6, the first rectangular frame 120 is provided with a cross brace 115 and an inclined bar 116, both ends of the cross brace 115 are respectively welded to two long sides 113 of the first rectangular frame 120, and the cross brace 115 is parallel to a short side 114 of the first rectangular frame 120; the number of the inclined rods 116 is two, wherein one end of one inclined rod 116 is welded with the joint of the long side 113 of the first rectangular frame 120 far away from the rear anchor face 100 and the inclined rod 116, and the other end of the inclined rod 116 is welded with one end of the first rectangular frame 120 close to the long side 113 of the rear anchor face 100; one end of the other diagonal rod 116 is welded to the connection between the long side 113 of the first rectangular frame 120 far from the rear anchor surface 100 and the diagonal rod 116, and the other end of the other diagonal rod 116 is welded to the other end of the first rectangular frame 120 near the long side 113 of the rear anchor surface 100.
Referring to fig. 7 and 8, a plurality of first positioning rods 117 are disposed at intervals along a length direction of the first rectangular frame 120, and the first positioning rods 117 are welded to two adjacent long sides of two adjacent first rectangular frames. The position of the first positioning rod 117 is determined according to construction requirements, before the first positioning rod 117 is installed, the central coordinates of the prestressed pipeline placed on each section are calculated, 3 three-dimensional coordinate points are set out between the installed first positioning points, the relative distance between the three points and the first positioning rod 117 is given, and accordingly the first positioning rod 117 can be basically adjusted to be in place.
Further, in certain alternative embodiments, the first positioning bar 117 is provided with a connection plate 118, the connection plate 118 is provided with an arc-shaped groove matching with the outer wall of the prestressed pipe 400, and the prestressed pipe 400 is used for welding with the connection plate 118.
Typically, the first positioning rod 117 is located at a distance of about 3cm from the bottom of the prestressed pipe in the direction of the inclination angle for placing the connecting plate 118 in order to accurately position the prestressed pipe. The connection plate 118 may not be placed when the first positioning bracket 103 is installed, and is welded to the first positioning rod 117 and the prestressed pipe after being precisely adjusted when the prestressed pipe is installed, and the welded state is shown in fig. 9.
In some optional embodiments, the second positioning bracket 104 includes a plurality of second rectangular frames 121, the plurality of second rectangular frames 121 are disposed at intervals along the arrangement direction of the plurality of frame bodies of the second base frame 102, a plurality of second positioning rods are disposed between two adjacent second rectangular frames 121, the plurality of positioning rods are disposed at intervals along the length direction of the second rectangular frames 121, the position of each second positioning rod corresponds to one second mounting position, and the prestressed pipe is used for being fixedly connected with the second positioning rod.
The configuration of the second positioning bracket 104 is substantially the same as the configuration of the first positioning bracket 103, and the specific dimensions of the second rectangular frame 121 and the installation position of the second positioning rod need to be designed according to construction requirements.
In certain alternative embodiments, the outside of the positioning bracket is provided with a splice positioning member 119.
The positioning bracket is a steel structure and is a key part for positioning the prestressed pipeline, so that the requirement on the structural size is strict. Optionally, referring to fig. 10, in this embodiment, the first rectangular frames 120 are formed by welding square pipes, the splicing positioning element 119 is an angle steel, and four angle steels are welded on the outer wall of the end of the outer side of the positioning bracket that needs to be lengthened, for example, four angle steels are welded at four corners of two first rectangular frames 120 located at the outermost side, or two angle welded angle steels away from the first base frame 101 of two first rectangular frames 120 located at the outermost side, so that after the previous first positioning bracket 103 is assembled and positioned, the following first positioning bracket 103 can be directly aligned and overlapped on the previous first positioning bracket 103, thereby saving the time for adjusting the position and improving the working efficiency.
After the positioning support is installed, the prestressed pipeline can be installed. Optionally, the prestressed pipe is installed and lengthened in two sections, when the prestressed pipe is installed in the first section, the central axis of the anchor point is set out on the template of the rear anchor face 100, then the anchor backing plate is installed and checked according to the axis precision, the pipe is sleeved in the notch of the rear anchor face 100 and is overlapped on the arc-shaped grooves of the two corresponding connecting plates 118, the joint point of the prestressed pipe in the previous section of the prestressed pipe and the central line of the anchor point of the front anchor face 200 in the second section of the prestressed pipe are positioned, and after the prestressed pipe 400 is checked to be qualified, the connecting plates 118 are welded.
Optionally, in this embodiment, the first vertical rod 106 and the second vertical rod 107 both adopt double-spliced 25 b-type channel steel, and the parallel connection 108 and the diagonal brace 109 adopt double-spliced 10-type channel steel; the long side 113 of the first rectangular frame 120 and the second rectangular frame 121 is made of 25 b-type channel steel, the short side 114, the cross brace 115 and the diagonal rod 116 are made of 10-type channel steel, and the first positioning rod 117 and the second positioning rod are made of 10-type channel steel. The first base frame 101 and the first positioning bracket 103 are connected by a section steel 110, the second base frame 102 and the second positioning bracket 104 are also connected by a section steel 110, and optionally, the section steel 110 may be a double-split HW350 × 350 section steel 110.
It should be noted that the first vertical bar 106, the second vertical bar 107, the parallel connection 108, the diagonal brace 109, the first rectangular frame 120, the second rectangular frame 121, and the section steel 110 may also be channel steel of other section steel 110 or other steel structural members.
Example two
This embodiment provides a main push-towing rope strand anchor system, include the embodiment of the utility model provides a prestressing force pipeline positioner who provides.
The main cable strand anchoring system that this embodiment provided, owing to used the utility model discloses a prestressing force pipeline positioner that provides need not to cut the bed frame or repair welding, just can carry out quick adjustment to the inclination of bed frame, and then can adjust the inclination of fixing the prestressing force pipeline in the locating support to guarantee that the straightness that hangs down of the axis direction of the steel strand wires strand in the prestressing force pipeline, spatial position, anchor face accords with the design requirement, has shortened construction cycle.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. The prestressed pipeline positioning device is characterized by comprising a base frame and a positioning support, wherein at least two jacks are arranged at the lower end of the base frame at intervals, one end of each jack is fixedly connected with a pre-buried steel plate in first-layer concrete of an anchor block, and the other end of each jack is hinged with the lower end of the base frame; the positioning support is fixedly connected with the base frame and used for positioning and fixing the prestressed pipeline.
2. The prestressed pipe positioning device as claimed in claim 1, wherein said jack is detachably connected to said pre-buried steel plate;
the prestressed pipeline positioning device further comprises a supporting piece, one end of the supporting piece is fixedly connected with the embedded steel plate, and the other end of the supporting piece is fixedly connected with the lower end of the base frame.
3. The prestressed pipe positioning device as claimed in claim 2, wherein said supporting member is a steel pipe, one end of said steel pipe is welded to said embedded steel plate, and the other end of said steel pipe is welded to the lower end of said base frame.
4. The prestressed pipe positioning device of any one of claims 1-3, wherein said base frame comprises a first base frame and a second base frame, said positioning bracket comprises a first positioning bracket and a second positioning bracket, said first positioning bracket is mounted on said first base frame, said first positioning bracket is provided with a plurality of first mounting locations; the second positioning support is arranged on the second base frame, the second positioning support is provided with a plurality of second installation positions, the first base frame and the second base frame are arranged at intervals, and the second base frame is located obliquely above the first base frame, so that the fixing frame is arranged at a set angle between the axis of the prestressed pipeline in the corresponding first installation position and the second installation position and the upper surface of the first layer of concrete of the anchor block.
5. The prestressed pipe positioning device as claimed in claim 4, wherein each of the first base frame and the second base frame comprises a plurality of frame bodies, each frame body comprises a first vertical rod, a second vertical rod, a parallel connection and an inclined strut, the first vertical rod and the second vertical rod are arranged in parallel at intervals, the length of the second vertical rod is greater than that of the first vertical rod, and the lower ends of the first vertical rod and the second vertical rod are respectively hinged with one jack; one end of the parallel connection is fixedly connected with the upper end of the first vertical rod, the other end of the parallel connection is fixedly connected with the second vertical rod, and the length direction of the parallel connection is vertical to the length direction of the first vertical rod; one end of the inclined strut is fixedly connected with the upper end of the first vertical rod, and the other end of the inclined strut is fixedly connected with the upper end of the second vertical rod;
a plurality of the support body interval sets up to make a plurality of the parallel interval of bracing sets up.
6. The prestressed pipe positioning device as claimed in claim 5, wherein the first positioning bracket comprises a plurality of first rectangular frames, the plurality of first rectangular frames are arranged at intervals along the arrangement direction of the plurality of frame bodies of the first base frame, a plurality of first positioning rods are arranged between two adjacent first rectangular frames, the plurality of first positioning rods are arranged at intervals along the length direction of the first rectangular frames, each first positioning rod corresponds to one first installation position, and the prestressed pipe is used for being fixedly connected with the first positioning rods.
7. The prestressed pipe positioning device defined in claim 6, wherein said first positioning rod is provided with a connecting plate, said connecting plate is provided with an arc-shaped slot matching with the outer wall of said prestressed pipe, said prestressed pipe is used for welding with said connecting plate.
8. The prestressed pipe positioning device as claimed in claim 5, wherein the second positioning bracket includes a plurality of second rectangular frames, the plurality of second rectangular frames are disposed at intervals along an arrangement direction of the plurality of frame bodies of the second base frame, a plurality of second positioning rods are disposed between two adjacent second rectangular frames, the plurality of positioning rods are disposed at intervals along a length direction of the second rectangular frames, each second positioning rod is located at a position corresponding to one second mounting position, and the prestressed pipe is configured to be fixedly connected to the second positioning rods.
9. The prestressed pipe positioning device defined in any one of claims 1-3, wherein a splicing positioning member is disposed outside said positioning support.
10. A main cable strand anchoring system comprising a prestressed pipe positioning device as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020619840.7U CN211973148U (en) | 2020-04-22 | 2020-04-22 | Prestressed pipeline positioning device and main cable strand anchoring system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020619840.7U CN211973148U (en) | 2020-04-22 | 2020-04-22 | Prestressed pipeline positioning device and main cable strand anchoring system |
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| CN211973148U true CN211973148U (en) | 2020-11-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113235426A (en) * | 2021-05-17 | 2021-08-10 | 中建桥梁有限公司 | Anchorage anchoring system positioning device and construction method thereof |
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2020
- 2020-04-22 CN CN202020619840.7U patent/CN211973148U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113235426A (en) * | 2021-05-17 | 2021-08-10 | 中建桥梁有限公司 | Anchorage anchoring system positioning device and construction method thereof |
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