CN210375145U - Cable guide pipe center measuring positioning instrument - Google Patents
Cable guide pipe center measuring positioning instrument Download PDFInfo
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- CN210375145U CN210375145U CN201921703959.6U CN201921703959U CN210375145U CN 210375145 U CN210375145 U CN 210375145U CN 201921703959 U CN201921703959 U CN 201921703959U CN 210375145 U CN210375145 U CN 210375145U
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- guide pipe
- sliding shaft
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Abstract
The utility model belongs to the field of cable-stayed bridge engineering construction, in particular to a cable guide pipe center measuring positioning instrument, which comprises a prism and a positioning disc, wherein the diameter of the positioning disc is equal to the outer diameter of the cable guide pipe; the positioning disc is provided with sliding holes corresponding to the prism clamping grooves respectively, the sliding holes are communicated with the circular holes, a sliding shaft is arranged in each sliding hole, the sliding shaft is provided with scales, grooves are formed in two sides of the sliding shaft, the grooves in the two sides of the sliding shaft are clamped on the positioning disc at the edge of each sliding hole, and the end, close to the prism, of the sliding shaft is inserted into the prism clamping groove; the sliding shaft is also provided with a bolt hole and is fixed on the positioning disc through a bolt and an arc nut; the edge of the vertical positioning disc is also welded with a plurality of arc positioning pieces, and the radian of each arc positioning piece is consistent with that of the cable guide pipe. The utility model discloses a cable pipe center measurement locater, easy and simple to handle, location accuracy accord with standardized construction requirement's purpose.
Description
Technical Field
The invention belongs to the field of cable-stayed bridge engineering construction, and particularly relates to a cable guide pipe center measuring positioner.
Background
The cable-stayed bridge cable guide pipe has extremely high positioning precision requirement, and the spatial positioning precision of the central point of the cable guide pipe does not exceed 1cm according to the current standard requirement. The traditional positioning method adopts a measuring tape to measure the diameter line of a circular tube, welds a simple steel plate, measures a positioning central point again, and vertically sets a prism rod by utilizing the central point for positioning. The method has large influence of human factors and low positioning precision, and can not meet the construction requirements.
Disclosure of Invention
The invention aims to overcome the defects of the background technology and provide a cable guide pipe center measuring locator.
The invention is realized by the following technical scheme: a cable guide pipe center measuring positioning instrument comprises a prism and a positioning disc, wherein the diameter of the positioning disc is equal to the outer diameter of a cable guide pipe, a round hole is formed in the center of the positioning disc, the prism is placed in the round hole, and the diameter of the round hole is larger than the outer diameter of the prism; the positioning disc is provided with sliding holes corresponding to the prism clamping grooves respectively, the sliding holes are communicated with the circular holes, a sliding shaft is arranged in each sliding hole, the sliding shaft is provided with scales, grooves are formed in two sides of the sliding shaft, the grooves in the two sides of the sliding shaft are clamped on the positioning disc at the edge of each sliding hole, so that the sliding shaft can slide in the sliding holes and can be inserted into the prism clamping grooves close to the ends of the prisms; the sliding shaft is also provided with a bolt hole, a bolt is placed in the bolt hole, the bolt is perpendicular to the positioning disc, the sliding shaft is fixed on the positioning disc through the bolt and an arc nut, and the arc nut is matched with the sliding shaft; the edge of the vertical positioning disc is also welded with a plurality of arc positioning pieces, and the radian of each arc positioning piece is consistent with that of the cable guide pipe.
Furthermore, a hollow part is arranged on the positioning plate.
Preferably, the hollowed-out parts are uniformly distributed on the periphery of the positioning plate.
Further, the scales are millimeter scales.
Preferably, the positioning disc is a steel disc with the thickness of 3 mm.
Furthermore, the diameter of the round hole is 3-5cm larger than the outer diameter of the prism.
The cable guide pipe center measuring positioning instrument is simple and convenient to operate, accurate in positioning and capable of meeting the purpose of standardized construction requirements; the cable guide pipe center measuring positioning instrument designed by the invention can directly measure the coordinates of the center point of the cable guide pipe without additionally arranging a prism rod, and can meet the requirement of accurate measurement and positioning of the center of the cable guide pipe.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic side view of the present invention.
Fig. 3 is a schematic structural view of a slot on a sliding shaft.
In the figure, an arc positioning sheet 1, a positioning disc 2, a prism 3, an arc nut 4, a sliding shaft 5, a round hole 6, a clamping groove 7, a sliding hole 8, scales 9, a groove 10, a hollow part 11 and a guide pipe 12 are arranged.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The cable guide pipe positioning device comprises a positioning disc 2, wherein the positioning disc 2 is a steel disc with the thickness of 3mm, the diameter of the positioning disc 2 is equal to the outer diameter of a cable guide pipe 12, a plurality of arc-shaped positioning pieces 1 are welded to the edge of the positioning disc 2 in a perpendicular mode, and the radian of each arc-shaped positioning piece 1 is consistent with that of the cable guide pipe 12. The arc-shaped positioning plate 1 is used for fixing the positioning disc 2 at the end part of the cable guide pipe 12, and the arc-shaped positioning plate 1 tightly clamps the side surface of the end part of the positioning disc 2, so that the positioning disc 2 and the cable guide pipe 12 are firm and stable. The arc locating plate 1 of this embodiment is four, evenly distributed around the positioning disk 2.
Be equipped with a round hole 6 at the center of positioning disk 2, be used for placing prism 3 in the round hole 6, consequently, the diameter of round hole 6 slightly is greater than the prism 3 external diameter, and 6 diameter ratios in the round hole of this embodiment are 4cm bigger than the prism 3 external diameter. The prism 3 used in the invention is a prism for positioning measurement commonly used in the current engineering, the two sides of the prism 3 are provided with clamping grooves 7, the structure of the prism 3 is a known structure, and the description is omitted.
The two sides of the positioning disc 2 are respectively provided with a sliding hole 8 corresponding to the positions of the clamping grooves 7 of the prism 3, the sliding hole 8 is a rectangular hole, and the sliding hole 8 is communicated with the round hole 6. A sliding shaft 5 is arranged in the sliding hole 8, and the sliding shaft 5 is provided with millimeter scales 9. The sliding shaft 5 is positioned in the sliding hole 8 and can slide in the sliding hole 8, and the specific structure is as follows: the two sides of the sliding shaft 5 are respectively provided with a groove 10, the grooves 10 on the two sides of the sliding shaft 5 are clamped on the positioning disc 2 at the edge of the sliding hole 8, the height of the groove 10 is just equal to the thickness of the positioning disc 2 to the best, so that the two sides of the sliding shaft 5 can be clamped on the positioning disc 2 tightly and can slide in the sliding hole 8.
One end of the sliding shaft 5, which is close to the prism 3, is inserted into the clamping groove 7 of the prism 3, the prism 3 is fixed in the round hole 6 of the positioning disc 2 through the two sliding shafts 5, and the sliding shaft 5 is matched with the clamping groove 7 in size. The sliding shaft 5 is further provided with a bolt hole, a bolt is placed in the bolt hole, the placed bolt is perpendicular to the horizontal plane of the positioning disc 2, the other end of the bolt is screwed into the arc-shaped nut 4, the sliding shaft 5 is fixed on the positioning disc 2 through the bolt and the arc-shaped nut 4, and the bolt hole and the bolt are not drawn in the attached drawing. The arc nut 4 is matched with the sliding shaft 5, and the arc nut 4 is a known device and is not described in detail.
Furthermore, in order to reduce the dead weight of the positioning plate 2 and facilitate carrying and operation, a hollow part 11 is arranged on the positioning plate 2. In the present embodiment, the hollow parts 11 are fan-shaped areas uniformly distributed around the positioning plate 2, as shown in fig. 1.
When the positioning device is used, the prism 3 is firstly placed in the middle of the round hole 6 of the positioning disc 2, then the sliding shafts 5 on the two sides are moved to be respectively inserted into the clamping grooves 7 of the prism 3 and tightly abut against the front ends of the clamping grooves 7, then the whole device is clamped on the cable guide pipe 12 through the arc-shaped positioning sheets 1, the positioning measurement is carried out according to the scales 9 on the sliding shafts 5, and finally the arc-shaped nuts 4 are used for locking the position of the sliding shafts 5 through bolts.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; those of ordinary skill in the art will understand that: the technical solutions described in the above embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (6)
1. A cable guide pipe center measurement positioning instrument comprises a prism (3), and is characterized in that: the positioning device is characterized by further comprising a positioning disc (2), the diameter of the positioning disc (2) is equal to the outer diameter of the cable guide pipe (12), a round hole (6) is formed in the center of the positioning disc (2), the prism (3) is placed in the round hole (6), and the diameter of the round hole (6) is larger than the outer diameter of the prism (3); the positioning disc (2) is provided with sliding holes (8) corresponding to the clamping grooves (7) of the prism (3), the sliding holes (8) are communicated with the round holes (6), a sliding shaft (5) is arranged in each sliding hole (8), the sliding shaft (5) is provided with scales (9), grooves (10) are formed in two sides of the sliding shaft (5), the grooves (10) in two sides of the sliding shaft (5) are clamped on the positioning disc (2) at the edge of each sliding hole (8), so that the sliding shaft (5) is arranged in each sliding hole (8) and can slide in each sliding hole (8), and the end, close to the prism (3), of the sliding shaft (5) is inserted into the clamping grooves (7) of the prism (3); the sliding shaft (5) is also provided with a bolt hole, a bolt is placed in the bolt hole and is perpendicular to the positioning disc (2), the sliding shaft (5) is fixed on the positioning disc (2) through the bolt and the arc nut (4), and the arc nut (4) is matched with the sliding shaft (5); a plurality of arc-shaped positioning pieces (1) are welded on the edge of the vertical positioning disc (2), and the radian of each arc-shaped positioning piece (1) is consistent with that of the cable guide pipe (12).
2. The cable guide pipe center measurement positioning apparatus according to claim 1, wherein: the positioning plate (2) is provided with a hollow part (11).
3. The cable guide pipe center measurement positioning apparatus according to claim 2, wherein: the hollow parts (11) are uniformly distributed on the periphery of the positioning disc (2).
4. The cable guide pipe center measurement positioning apparatus according to claim 1, wherein: the scales (9) are millimeter scales (9).
5. The cable guide pipe center measurement positioning apparatus according to claim 1, wherein: the positioning disc (2) is a steel disc with the thickness of 3 mm.
6. The cable guide pipe center measurement positioning apparatus according to claim 1, wherein: the diameter of the round hole (6) is 3-5cm larger than the outer diameter of the prism (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921703959.6U CN210375145U (en) | 2019-10-12 | 2019-10-12 | Cable guide pipe center measuring positioning instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921703959.6U CN210375145U (en) | 2019-10-12 | 2019-10-12 | Cable guide pipe center measuring positioning instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210375145U true CN210375145U (en) | 2020-04-21 |
Family
ID=70256139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921703959.6U Active CN210375145U (en) | 2019-10-12 | 2019-10-12 | Cable guide pipe center measuring positioning instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210375145U (en) |
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2019
- 2019-10-12 CN CN201921703959.6U patent/CN210375145U/en active Active
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