CN111060034B - Cable guide central axis positioning device and cable guide central axis deviation measuring method - Google Patents

Cable guide central axis positioning device and cable guide central axis deviation measuring method Download PDF

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Publication number
CN111060034B
CN111060034B CN201911412924.1A CN201911412924A CN111060034B CN 111060034 B CN111060034 B CN 111060034B CN 201911412924 A CN201911412924 A CN 201911412924A CN 111060034 B CN111060034 B CN 111060034B
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China
Prior art keywords
cable guide
central axis
positioning
screw rod
rod
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CN201911412924.1A
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Chinese (zh)
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CN111060034A (en
Inventor
胡康
李海滨
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Sinohydro Bureau 8 Co Ltd
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Sinohydro Bureau 8 Co Ltd
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Priority to CN201911412924.1A priority Critical patent/CN111060034B/en
Publication of CN111060034A publication Critical patent/CN111060034A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical means
    • G01B11/26Measuring arrangements characterised by the use of optical means for measuring angles or tapers; for testing the alignment of axes
    • G01B11/27Measuring arrangements characterised by the use of optical means for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C15/00Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C15/00Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
    • G01C15/02Means for marking measuring points
    • G01C15/06Surveyors' staffs; Movable markers
    • G01C15/08Plumbing or registering staffs or markers over ground marks

Abstract

The utility model provides a cable pipe axis positioner, the electric iron comprises a screw rod, first articulated seat, rotatory limit handle and the articulated seat of second, screw rod and rotatory limit handle threaded connection, the middle part fixed connection of screw rod bottom and first articulated seat, the bottom of rotatory limit handle is located at the center of the articulated seat of second, be equipped with a plurality of locating lever groups between the articulated seat of first articulated seat and second, the locating lever group includes two locating levers, the one end of locating lever is established to the hinged end, the other end is established to supporting the tight end, the middle part is equipped with the cross connection position, the cross connection phase of two locating levers is articulated, and the hinged end of two locating levers is articulated with the articulated seat of first articulated seat articulated and second respectively, the top of screw rod is equipped with the measuring aperture. A cable guide central axis deviation measuring method comprises the following steps: inserting the device into a cable guide; adjusting the position of the measuring hole; fixing the device; the prism rods are placed for measurement. By adopting the device and the method, the measurement efficiency can be improved, the safety risk can be reduced, and the measurement accuracy can be improved.

Description

Cable guide central axis positioning device and cable guide central axis deviation measuring method
Technical Field
The invention relates to a bridge cable guide pipe measuring and positioning device, in particular to a cable guide pipe central axis positioning device and a cable guide pipe central axis deviation measuring method.
Background
According to the relevant requirements of the construction quality of a bridge anchoring system, the axial deviation of the cable duct is one of the main parameters of the construction precision of the upper structure of the bridge as an important index of the construction quality. Usually, when the center of the cable guide pipe is measured, two persons are required to be matched with each other, after the center of the upper opening or the lower opening of the cable guide pipe is measured through a measuring tape, the prism is erected at the center position for measurement, and then the central axis of the cable guide pipe is inversely calculated. The field operation is very inconvenient, the measurement workload is large, the process is complex, and errors are easy to occur. Meanwhile, the pipe orifice is high during measurement of the cable guide pipe, at least two persons are required to cooperate, the labor cost is high, and the safety risk of measuring personnel is high.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a cable guide pipe central axis positioning device and a cable guide pipe central axis deviation measuring method which can greatly save measuring time, improve working efficiency, reduce cost and personnel safety risks and improve measuring accuracy.
In order to solve the technical problems, the invention adopts the following technical scheme:
a cable guide pipe central axis positioning device comprises a screw rod, a first hinging seat, a rotary limiting handle and a second hinging seat, wherein the screw rod penetrates through the center of the rotary limiting handle and is in threaded connection with the rotary limiting handle, the bottom end of the screw rod is fixedly connected with the middle part of the first hinging seat, the center of the second hinging seat can be rotatably arranged at the bottom of the rotary limiting handle relative to the rotary limiting handle, a plurality of positioning rod groups distributed at intervals around the screw rod are arranged between the first hinging seat and the second hinging seat, each positioning rod group comprises two positioning rods, one end of each positioning rod is a hinging end, the other end of each positioning rod is a propping end for propping the inner wall of a cable guide pipe, the middle part of each positioning rod is provided with a cross connection position, the cross connection positions of the two positioning rods are hinged, the hinging end of one positioning rod is hinged with the first hinging seat, and the hinging end of the other positioning rod is hinged with the second hinging seat, and a measuring hole for supporting the prism rod is arranged at the top end of the screw rod in the central axis of the screw rod.
As a further improvement of the above technical solution:
and a scale plane parallel to the central axis of the screw is arranged on one side of the top of the screw, and scales are arranged on the scale plane along the central axis of the screw.
The top end of the screw rod is provided with a positioning plane along the central axis, and the measuring hole is positioned in the middle of the bottom edge of the positioning plane.
The positioning plane is parallel to the scale plane, and an inclined plane is connected between the positioning plane and the scale plane.
The end surface of the abutting end of the positioning rod is a cambered surface.
The second hinged seat is installed on the rotary limiting handle through a bearing.
A cable guide pipe central axis deviation measuring method is carried out by adopting the cable guide pipe central axis positioning device, and comprises the following steps:
s1: inserting the cable guide pipe central axis positioning device into the cable guide pipe, so that the abutting end of the positioning rod is positioned in the cable guide pipe, and the rotary limiting handle is positioned outside the cable guide pipe;
s2: adjusting the position of the measuring hole: rotating the screw rod to enable the inlet of the measuring hole on the screw rod to face upwards;
s3: fixed cable pipe axis positioner: the screw rod is kept still, the rotation limiting handle is rotated to enable the rotation limiting handle to gradually push the second hinge seat downwards until the abutting ends of the positioning rods abut against the inner wall of the cable guide pipe;
s4: placing the prism rod for measurement: and supporting the bottom end of the prism rod in the measuring hole, and measuring the central axis deviation of the cable guide pipe.
Compared with the prior art, the invention has the advantages that:
the invention relates to a cable guide pipe central axis positioning device, which comprises a screw rod, a first hinge seat, a rotation limiting handle and a second hinge seat, wherein the screw rod passes through the center of the rotation limiting handle and is in threaded connection with the rotation limiting handle, the bottom end of the screw rod is fixedly connected with the middle part of the first hinge seat, the center of the second hinge seat can be rotatably arranged at the bottom of the rotation limiting handle relative to the rotation limiting handle, a plurality of positioning rod groups distributed at intervals around the screw rod are arranged between the first hinge seat and the second hinge seat, each positioning rod group comprises two positioning rods, one end of each positioning rod is arranged as a hinge end, the other end of each positioning rod is arranged as a propping end for propping against the inner wall of a cable guide pipe, the middle part of each positioning rod is provided with a cross connection position, and the cross connection positions of the two positioning rods are hinged, and the hinged end of one positioning rod is hinged with the first hinged seat, the hinged end of the other positioning rod is hinged with the second hinged seat, and the top end of the screw rod is provided with a measuring hole for supporting the prism rod on the central axis of the screw rod. The cable guide pipe central axis positioning device is fixed in a cable guide pipe, so that the screw rod can coincide with the central axis of the cable guide pipe, namely the position of the screw rod is the position of the central axis of the cable guide pipe, and the deviation of the central axis of the cable guide pipe can be reflected by measuring the deviation of the central axis of the screw rod, so that the measurement error is greatly reduced, the measurement precision is improved, the cost is low, the operation is safe and simple, and the detection speed is high. This pipe axis positioner can be applied to the laying-out and the detection at large-scale bridge cable pipe center, to improving the laying-out precision, ensures construction quality, improves work efficiency, has fine practical function in the aspect of support personnel's safety etc..
The method for measuring the deviation of the central axis of the cable guide pipe is carried out by adopting the device for positioning the central axis of the cable guide pipe, and comprises the following steps: s1: inserting the cable guide pipe central axis positioning device into the cable guide pipe, so that the abutting end of the positioning rod is positioned in the cable guide pipe, and the rotary limiting handle is positioned outside the cable guide pipe; s2: adjusting the position of the measuring hole; s3: a central axis positioning device of the fixed cable guide pipe; s4: the prism rods are placed for measurement. The method for measuring the deviation of the central axis of the cable guide pipe 6 is adopted to measure the deviation of the central axis of the cable guide pipe, so that the measuring error can be greatly reduced, the measuring precision is improved, the measuring cost is reduced, the operation is safe and simple, and the detection speed is high.
Drawings
FIG. 1 is a front view of a central axis positioning device for a cable guide according to the present invention.
FIG. 2 is a schematic top view of the device for locating the central axis of a cable guide according to the present invention.
FIG. 3 is a schematic diagram of the scale plane of the device for locating the central axis of a cable guide according to the present invention.
FIG. 4 is a view showing the use state of the device for positioning the central axis of the cable guide according to the present invention.
The reference numerals in the figures denote:
1. a screw; 11. measuring a hole; 12. a scale plane; 13. positioning a plane; 14. a bevel; 2. a first hinge mount; 3. rotating the limit handle; 4. a second hinge mount; 5. a set of positioning rods; 51. positioning a rod; 511. a hinged end; 512. abutting the end; 513. a cross-connect bit; 514. a cambered surface; 6. a cable guide tube; 7. a prism rod; 8. and a bearing.
Detailed Description
The invention will be described in further detail below with reference to the drawings and specific examples.
Fig. 1 to 4 show an embodiment of the cable guide central axis positioning device of the present invention, the cable guide central axis positioning device includes a screw rod 1, a first hinge seat 2, a rotation limiting handle 3 and a second hinge seat 4, the screw rod 1 passes through the center of the rotation limiting handle 3 and is in threaded connection with the rotation limiting handle 3, the bottom end of the screw rod 1 is fixedly connected with the middle part of the first hinge seat 2, the center of the second hinge seat 4 is rotatably arranged at the bottom of the rotation limiting handle 3 relative to the rotation limiting handle 3, three positioning rod sets 5 uniformly distributed around the screw rod 1 are arranged between the first hinge seat 2 and the second hinge seat 4, the positioning rod sets 5 include two positioning rods 51, one end of the positioning rod 51 is arranged as a hinge end 511, the other end is arranged as a support end 512 for supporting the inner wall of the cable guide 6, the middle part is provided with a cross connection position 513, the cross connection positions 513 of the two positioning rods 51 of the positioning rod sets 5 are hinged, and the hinged end 511 of one positioning rod 51 is hinged with the first hinged seat 2, the hinged end 511 of the other positioning rod 51 is hinged with the second hinged seat 4, and the top end of the screw rod 1 is provided with a measuring hole 11 for supporting the prism rod 7 on the central axis of the screw rod 1.
During measurement, the device is placed at the pipe orifice of the cable guide pipe 6, the rotation limiting handle 3 is adjusted to gradually push the second hinging seat 4 downwards, the second hinging seat 4 drives the positioning rod group 5 to outwards open until the abutting end 512 of each positioning rod 51 abuts against the inner wall of the cable guide pipe 6, the guide pipe central axis positioning device is fixed in the cable guide pipe 6, and at the moment, the screw rod 1 is overlapped with the central axis of the cable guide pipe 6, so that measurement can be started. The cable guide pipe central axis positioning device is fixed in the cable guide pipe 6, so that the central axes of the screw rod 1 and the cable guide pipe 6 can be coincided, namely the position of the screw rod 1 is the position of the central axis of the cable guide pipe 6, and then the deviation of the central axis of the cable guide pipe 6 can be reflected by measuring the deviation of the central axis of the screw rod 1, so that the measurement error can be greatly reduced, the measurement precision is improved, the cost is low, the operation is safe and simple, and the detection speed is high. This pipe axis positioner can be applied to the laying-out and the detection at large-scale bridge cable pipe center, to improving the laying-out precision, ensures construction quality, improves work efficiency, has fine practical function in the aspect of support personnel's safety etc..
In this embodiment, as shown in fig. 1 and 3, a scale plane 12 parallel to the central axis of the screw rod 1 is disposed on one side of the top of the screw rod 1, and scales are disposed on the scale plane 12 along the central axis of the screw rod 1.
Specifically, the distance between the scale plane 12 and the central axis of the screw rod 1 is greater than the radius of the screw rod 1, the top edge of the scale plane 12 intersects with the top surface of the screw rod 1, the screw rod 1 is used as a reference shaft of each component of the device, the measuring hole 11 is used as a measuring base point, for accurately measuring the distance from the pipe orifice of the cable guide pipe 6 to the measuring base point, the scale with the length of 150mm is arranged on the scale plane 12 along the central axis of the screw rod 1 and used as a mark, and the precision is 1 mm.
In this embodiment, the top end of the screw rod 1 is provided with a positioning plane 13 along the central axis, and the measuring hole 11 is located in the middle of the bottom edge of the positioning plane 13, so as to ensure that the measuring base point is placed on the central axis. The initial point reading of the graduated scale is 15mm (the distance between the measurement base point and the graduated scale is reserved for facilitating the vertical operation of the prism rod 7; the thickness of the rotary limiting handle 3 is 10mm, and after the device is installed in place, the length from the pipe orifice of the cable guide pipe 6 to the axial line along the measurement base point is recorded by the outer side of the rotary limiting handle 3 corresponding to the graduated scale degrees, namely, the initial point reading is counted from 15 mm).
In this embodiment, the positioning plane 13 is parallel to the scale plane 12, and the inclined plane 14 is connected between the positioning plane 13 and the scale plane 12, that is, the included angle between the inclined plane 14 and the positioning plane 13 or the scale plane 12 is an obtuse angle, which is convenient for erecting the prism rod 7 and avoids the interference of the prism rod 7.
In this embodiment, the end surface of the abutting end 512 of the positioning rod 51 is an arc surface 514, and in the process that the abutting end 512 abuts against the inner wall of the cable guide tube 6, the abutting end 512 contacts with the inner wall of the cable guide tube 6 through the arc surface 514, so as to reduce friction between the abutting end 512 and the inner wall of the cable guide tube 6.
In the embodiment, the second hinged seat 4 is installed on the rotation limiting handle 3 through the bearing 8, so that the cost is low and the installation is convenient.
A cable guide pipe central axis deviation measuring method is carried out by adopting the cable guide pipe central axis positioning device, and comprises the following steps:
s1: inserting the cable guide pipe central axis positioning device into the cable guide pipe 6, so that the abutting end 512 of the positioning rod 51 is positioned in the cable guide pipe 6, and the rotation limiting handle 3 is positioned outside the cable guide pipe 6;
s2: adjusting the position of the measuring hole 11: rotating the screw 1 so that the inlet of the measuring hole 11 on the screw 1 faces upwards; meanwhile, the bottom side of the positioning plane 13 (i.e., the intersection line of the positioning plane 13 and the inclined plane 14) is parallel to the horizontal plane.
S3: fixed cable pipe axis positioner: keeping the screw rod 1 still, rotating the rotation limiting handle 3 to make the rotation limiting handle 3 gradually push the second hinge seat 4 downwards, so that each positioning rod group 5 is outwards opened, namely the abutting end 512 of each positioning rod 51 is outwards opened until the abutting end 512 of each positioning rod 51 abuts against the inner wall of the cable guide pipe 6;
s4: the prism rod 7 is placed for measurement: the bottom end of the prism rod 7 is supported in the measuring hole 11, and the central axis deviation of the cable guide 6 is measured.
The method for measuring the deviation of the central axis of the cable guide pipe 6 is adopted to measure the deviation of the central axis of the cable guide pipe, so that the measuring error can be greatly reduced, the measuring precision is improved, the measuring cost is reduced, the operation is safe and simple, and the detection speed is high.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make numerous possible variations and modifications to the present invention, or modify equivalent embodiments to equivalent variations, without departing from the scope of the invention, using the teachings disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should fall within the protection scope of the technical scheme of the present invention, unless the technical spirit of the present invention departs from the content of the technical scheme of the present invention.

Claims (7)

1. A cable guide axis positioner which characterized in that: comprises a screw rod (1), a first hinged seat (2), a rotary limiting handle (3) and a second hinged seat (4), wherein the screw rod (1) passes through the center of the rotary limiting handle (3) and is in threaded connection with the rotary limiting handle (3), the bottom end of the screw rod (1) is fixedly connected with the middle part of the first hinged seat (2), the center of the second hinged seat (4) can be rotatably arranged at the bottom of the rotary limiting handle (3) relative to the rotary limiting handle (3), a plurality of positioning rod groups (5) which are distributed at intervals around the screw rod (1) are arranged between the first hinged seat (2) and the second hinged seat (4), each positioning rod group (5) comprises two positioning rods (51), one end of each positioning rod (51) is set as a hinged end (511), the other end of each positioning rod is set as a tight supporting end (512) for supporting the inner wall of a tight cable guide pipe (6), and the middle part of each positioning rod group is provided with a cross connection position (513), the cross connection positions (513) of the two positioning rods (51) are hinged, the hinge end (511) of one positioning rod (51) is hinged to the first hinge seat (2), the hinge end (511) of the other positioning rod (51) is hinged to the second hinge seat (4), and the top end of the screw rod (1) is provided with a measuring hole (11) used for supporting the prism rod (7) in the central axis of the screw rod (1).
2. The cable guide central axis positioning device of claim 1, wherein: the scale is characterized in that a scale plane (12) parallel to the central axis of the screw rod (1) is arranged on one side of the top of the screw rod (1), and scales are arranged on the scale plane (12) along the central axis of the screw rod (1).
3. The cable guide central axis positioning device of claim 2, wherein: the top end of the screw rod (1) is provided with a positioning plane (13) along the central axis, and the measuring hole (11) is positioned in the middle of the bottom edge of the positioning plane (13).
4. The cable guide central axis positioning device of claim 3, wherein: the positioning plane (13) is parallel to the scale plane (12), and an inclined plane (14) is connected between the positioning plane (13) and the scale plane (12).
5. The cable guide central axis positioning device according to any one of claims 1 to 4, wherein: the end face of the abutting end (512) of the positioning rod (51) is an arc face (514).
6. The cable guide central axis positioning device according to any one of claims 1 to 4, wherein: the second hinged seat (4) is installed on the rotation limiting handle (3) through a bearing (8).
7. A cable guide central axis deviation measuring method is characterized in that: the method is carried out by adopting the cable guide central axis positioning device of any one of claims 1 to 6, and comprises the following steps:
s1: inserting the cable guide pipe central axis positioning device into the cable guide pipe (6), so that the abutting end (512) of the positioning rod (51) is positioned in the cable guide pipe (6), and the rotation limiting handle (3) is positioned outside the cable guide pipe (6);
s2: adjusting the position of the measuring hole (11): rotating the screw (1) so that the inlet of a measuring hole (11) on the screw (1) faces upwards;
s3: fixed cable pipe axis positioner: keeping the screw rod (1) still, rotating the rotary limiting handle (3) to enable the rotary limiting handle (3) to gradually push the second hinge seat (4) downwards until the abutting end (512) of each positioning rod (51) abuts against the inner wall of the cable guide pipe (6);
s4: placing the prism rod (7) for measurement: the bottom end of the prism rod (7) is supported in the measuring hole (11), and the central axis deviation of the cable guide pipe (6) is measured.
CN201911412924.1A 2019-12-31 2019-12-31 Cable guide central axis positioning device and cable guide central axis deviation measuring method Active CN111060034B (en)

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CN112604723A (en) * 2021-01-07 2021-04-06 张智翔 Gene detection is with placing pipe, rack and storage box

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