阅读说明：本技术 一种可循环使用的索股预埋管轴心定位装置及其使用方法 (Recyclable cable strand embedded pipe axis positioning device and using method thereof ) 是由 赵伟 王佳 张露 兰其平 赵家仁 陈健 李华 陈杰然 沈查 张燕昆 叶绍其 于 2019-11-28 设计创作，主要内容包括：本发明公开了一种可循环使用的索股预埋管轴心定位装置及其使用方法,索股预埋管轴心定位装置包括接收结构和四套完全相同的固定结构,其中：接收结构为徕卡小棱镜,每套固定结构由滑块、棱镜杆和护圈组成。本发明的优点在于：1索股预埋管轴心定位装置事先加工好,使用时直接固定在待测索股预埋管的管口处进行轴心定位,完成后将索股预埋管轴心定位装置从前一根索股预埋管的管口整体移除,再固定在下一个索股预埋管的管口即可,这样有效地提高了测量效率,可以循环利用,节省了材料成本以及人工成本。2结构简单,制作方便,整体稳定性好,能准确定位索股预埋管的轴心,在悬索桥锚固系统施工中能够确保测量精度。(The invention discloses a recyclable cable embedded pipe axis positioning device and a using method thereof, wherein the cable embedded pipe axis positioning device comprises a receiving structure and four sets of completely same fixing structures, wherein: the receiving structure is a Leica small prism, and each set of fixing structure consists of a sliding block, a prism rod and a guard ring. The invention has the advantages that: 1 pre-buried hollow axle center positioner of strand is processed in advance, and the snap-on carries out the axle center location in the mouth of pipe department of the pre-buried pipe of strand that awaits measuring during the use, and the pre-buried hollow axle center positioner of strand removes the mouth of pipe of the pre-buried pipe of a preceding strand after accomplishing, and the mouth of pipe of fixing the pre-buried pipe of next strand again can, has improved measurement of efficiency like this effectively, can cyclic utilization, has saved material cost and cost of labor. 2 simple structure, the preparation is convenient, and overall stability is good, can pinpoint the axle center of strand embedded pipe, can ensure measurement accuracy in suspension bridge anchoring system construction.)

1. The utility model provides a pre-buried tubular axle center positioner of cable strand that can recycle which characterized in that: including receiving structure and four sets of identical fixed knot construct, wherein:

the receiving structure is a Leka small prism, each set of fixing structure consists of a sliding block, prism rods and a retainer, the Leka small prism is a prism with four outer side walls provided with threaded connecting holes, the prism rods are tubular, inner side walls of the prism rods towards the outer ends are provided with inner threads, outer side walls of the prism rods towards the inner ends are provided with outer threads matched with the inner threads in the threaded connecting holes of the Leka small prism, the inward ends of the four prism rods are screwed into the corresponding threaded connecting holes in the four outer side walls of the Leka small prism from four directions of 0 degree, 90 degree, 180 degree and 270 degree respectively, so that the four prism rods are fixed on the four outer side walls of the Leka small prism respectively, and the four prism rods form a cross shape; a prism rod hole which is penetrated through from front to back and is used for the prism rod to pass through is arranged in the center of the bottom of each sliding block, a screw hole which is vertical to the prism rod hole and is provided with an internal thread is respectively arranged on three side walls of each sliding block, a screw is screwed on each screw rod hole, the three screws are respectively screwed into the screw holes from three directions until the front ends of the three screws abut against the prism rods, the sliding blocks are fixed on the prism rods, the four sliding blocks fix the strand embedded pipe to be detected on the four prism rods at equal intervals, and the Leka small prism is positioned at the center of the strand embedded pipe to be detected; the protective ring is composed of a wing piece and a wing rod which are integrated and in a T shape, the diameter of the wing piece is larger than the outer diameter of the prism rod, the outer side wall of the wing rod is provided with an external thread matched with the internal thread of the outward end of the prism rod, and the protective ring is screwed into the outward end of the prism rod from outside to inside to prevent the sliding block from falling off the prism rod.

2. The recyclable cable embedded pipe axis positioning device as claimed in claim 1, characterized in that: scales for indicating the length are arranged on the prism rod, and the dividing precision of the scribed line is 0.5 mm.

3. The recyclable cable embedded pipe axis positioning device as claimed in claim 1, characterized in that: the fixed structure is made of aluminum alloy.

4. The use method of the cable strand embedded pipe axis positioning device is characterized in that: the method comprises the following specific steps:

A. screwing inward ends of four prism rods in the four sets of fixing structures into corresponding threaded connecting holes on four outer side walls of a small Leica prism from four directions of 0 degree, 90 degrees, 180 degrees and 270 degrees respectively, so that the four prism rods are fixed on the four outer side walls of the small Leica prism respectively, and the four prism rods form a cross shape;

B. loosening screws on the sliding blocks, sleeving one sliding block into each prism rod, and screwing the guard ring into the outward end of each prism rod from outside to inside to prevent the sliding blocks from falling off the prism rods;

C. according to the actual size of the diameter of the strand embedded pipe, the strand embedded pipe axis positioning device is placed at the pipe orifice of the strand embedded pipe to be detected, namely: the center of a landing small prism is placed at the axis of the strand pre-buried pipe to be detected, four sliding blocks on four prism rods are approximately adjusted to the outer diameter of the strand pre-buried pipe according to the outer diameter of the strand pre-buried pipe through scribed lines on the prism rods, so that the four sliding blocks are close to the pipe wall of the strand pre-buried pipe to be detected, when the positions of the four sliding blocks on the scribed lines on the prism rods are almost the same, the sliding blocks are fixed on the prism rods by screws carried by the sliding blocks, and thus, the axis positioning device of the strand pre-buried pipe is installed at the pipe orifice of the strand pre-buried pipe to be detected;

D. and after the axle center of the to-be-detected strand pre-buried pipe is adjusted, the strand pre-buried pipe axle center positioning device is moved to another to-be-detected strand pre-buried pipe to perform axle center positioning work.

Technical Field

The invention relates to the field of bridge engineering construction measurement, in particular to a recyclable cable strand embedded pipe axis positioning device and a using method thereof.

Background

In the existing construction technology, more and more large bridges are used, especially the design of the anchor of the suspension bridge in mountainous area basically adopts a tunnel type anchor, the tunnel type anchor of the main cable of the suspension bridge is used as the main stress structure of the main cable of the suspension bridge, and the positioning of the anchoring system is crucial. The installation precision requirement of the anchoring system is high, and the stress of the tunnel anchor structure is directly influenced by the accurate positioning of the axis of the cable strand embedded pipe, so that the determination of the axis of the cable strand embedded pipe is particularly important. The method of processing a steel mould is usually adopted to position the axis of the cable strand embedded pipe in the construction, and the steel mould has the following defects:

(1) the cable strand embedded pipe has various forms and simple structure, the axis position of the cable strand embedded pipe is not accurately positioned, and the measurement precision cannot be ensured;

(2) the pipe diameters of the cable strand embedded pipes are different, the cable strand embedded pipe axis positioning device cannot be recycled, and the cable strand embedded pipe axis positioning device is basically disposable, so that material waste and labor cost waste are caused.

Disclosure of Invention

The invention aims to provide a cable strand embedded pipe axis positioning device which can be recycled, avoids material waste and can effectively improve the measurement precision and the operation efficiency.

The second purpose of the invention is to provide a using method of the cable strand embedded pipe axis positioning device.

The first object of the present invention is achieved by:

a recyclable positioning device for the axis of a cable strand embedded pipe is characterized in that: including receiving structure and four sets of identical fixed knot construct, wherein:

the receiving structure is a Leka small prism, each set of fixing structure consists of a sliding block, prism rods and a retainer, the Leka small prism is a prism with four outer side walls provided with threaded connecting holes, the prism rods are tubular, inner side walls of the prism rods towards the outer ends are provided with inner threads, outer side walls of the prism rods towards the inner ends are provided with outer threads matched with the inner threads in the threaded connecting holes of the Leka small prism, the inward ends of the four prism rods are screwed into the corresponding threaded connecting holes in the four outer side walls of the Leka small prism from four directions of 0 degree, 90 degree, 180 degree and 270 degree respectively, so that the four prism rods are fixed on the four outer side walls of the Leka small prism respectively, and the four prism rods form a cross shape; a prism rod hole which is penetrated through from front to back and is used for the prism rod to pass through is arranged in the center of the bottom of each sliding block, a screw hole which is vertical to the prism rod hole and is provided with an internal thread is respectively arranged on three side walls of each sliding block, a screw is screwed on each screw rod hole, the three screws are respectively screwed into the screw holes from three directions until the front ends of the three screws abut against the prism rods, the sliding blocks are fixed on the prism rods, the four sliding blocks fix the strand embedded pipe to be detected on the four prism rods at equal intervals, and the Leka small prism is positioned at the center of the strand embedded pipe to be detected; the protective ring is composed of a wing piece and a wing rod which are integrated and in a T shape, the diameter of the wing piece is larger than the outer diameter of the prism rod, the outer side wall of the wing rod is provided with an external thread matched with the internal thread of the outward end of the prism rod, and the protective ring is screwed into the outward end of the prism rod from outside to inside to prevent the sliding block from falling off the prism rod.

Scales for indicating the length are arranged on the prism rod, and the dividing precision of the scribed line is 0.5 mm.

The fixed structure is made of aluminum alloy.

The second object of the invention is achieved by:

a using method of a cable strand embedded pipe axis positioning device is characterized in that: the method comprises the following specific steps:

A. screwing inward ends of four prism rods in the four sets of fixing structures into corresponding threaded connecting holes on four outer side walls of a small Leica prism from four directions of 0 degree, 90 degrees, 180 degrees and 270 degrees respectively, so that the four prism rods are fixed on the four outer side walls of the small Leica prism respectively, and the four prism rods form a cross shape;

B. loosening screws on the sliding blocks, sleeving one sliding block into each prism rod, and screwing the guard ring into the outward end of each prism rod from outside to inside to prevent the sliding blocks from falling off the prism rods;

C. according to the actual size of the diameter of the strand embedded pipe, the strand embedded pipe axis positioning device is placed at the pipe orifice of the strand embedded pipe to be detected, namely: the center of a landing small prism is placed at the axis of the strand pre-buried pipe to be detected, four sliding blocks on four prism rods are approximately adjusted to the outer diameter of the strand pre-buried pipe according to the outer diameter of the strand pre-buried pipe through scribed lines on the prism rods, so that the four sliding blocks are close to the pipe wall of the strand pre-buried pipe to be detected, when the positions of the four sliding blocks on the scribed lines on the prism rods are almost the same, the sliding blocks are fixed on the prism rods by screws carried by the sliding blocks, and thus, the axis positioning device of the strand pre-buried pipe is installed at the pipe orifice of the strand pre-buried pipe to be detected;

D. and after the axle center of the to-be-detected strand pre-buried pipe is adjusted, the strand pre-buried pipe axle center positioning device is moved to another to-be-detected strand pre-buried pipe to perform axle center positioning work.

The invention discloses a positioning device for the axle center of a cable strand embedded pipe, which comprises a receiving structure and four sets of completely same fixing structures, wherein: the receiving structure is a Leica small prism, and each set of fixing structure consists of a sliding block, a prism rod and a guard ring. Compared with the prior art, the invention has the advantages that:

the cable strand embedded pipe axis positioning device is processed in advance, and is directly fixed at the pipe orifice of a cable strand embedded pipe to be measured when the cable strand embedded pipe axis positioning device is needed to be used; because the pipe orifice of the next cable strand embedded pipe is integrally removed, the cable strand embedded pipe axial positioning device can be recycled, and the material cost and the labor cost are saved.

2 the device for positioning the axis of the cable strand embedded pipe has the advantages of simple structure, convenient manufacture and good overall stability, can accurately position the axis of the cable strand embedded pipe, and can ensure the measurement precision in the construction of a suspension bridge anchoring system.

Drawings

FIG. 1 is a schematic structural view of the device for positioning the axis of a cable strand embedded pipe according to the present invention;

FIG. 2 is a schematic view of the assembled slider and prism rod;

FIG. 3 is a left side view of FIG. 2;

FIG. 4 is a schematic view of the retainer;

FIG. 5 is a schematic view of a prism rod structure;

fig. 6 is a schematic view of the working state of the present invention.

Detailed Description

The present invention will be described in further detail with reference to examples.

The utility model provides a pre-buried tubular axle center positioner of circulated use strand, includes receiving structure and four sets of identical fixed knot construct, wherein:

the receiving structure is a Leica small prism 4, each set of fixing structure consists of a sliding block 1, prism rods 2 and a guard ring 3, the Leica small prism 4 is a prism with threaded connecting holes on four outer side walls, the prism rods 2 are tubular, internal threads are arranged on the inner side walls of the outer ends of the prism rods 2, external threads matched with the internal threads in the threaded connecting holes of the Leica small prism 4 are arranged on the outer side walls of the inner ends of the prism rods 2, the inward ends of the four prism rods 2 are screwed into the corresponding threaded connecting holes on the four outer side walls of the Leica small prism 4 from four directions of 0 degree, 90 degree, 180 degree and 270 degree respectively, so that the four prism rods 2 are respectively fixed on the four outer side walls of the Leica small prism 4, and the four prism rods 2 form a cross shape; a prism rod hole 11 which is penetrated through from front to back and is used for the prism rod 2 to pass through is arranged in the center of the bottom of each sliding block 1, a screw hole 12 which is vertical to the prism rod hole 11 and is provided with internal threads is respectively arranged on three side walls of each sliding block 1, a screw 13 is screwed on each screw hole 12, the three screws 13 are respectively screwed into the screw holes 12 from three directions until the front ends of the three screws 13 abut against the prism rods 2, the sliding blocks 1 are fixed on the prism rods 2, the four sliding blocks 1 fix the strand pre-buried pipe 5 to be detected on the four prism rods 2 at equal intervals, and the hairpin small prism 4 is positioned in the center of the strand pre-buried pipe 5 to be detected; the guard ring 3 is composed of a wing piece 31 and a wing rod 32 which are integrated and in a T shape, the diameter of the wing piece 31 is larger than the outer diameter of the prism rod 2, the outer side wall of the wing rod 32 is provided with an external thread matched with the internal thread of the prism rod 2 towards the outer end, and the guard ring 3 is screwed into the outward end of the prism rod 2 from the outside to the inside so as to prevent the sliding block 1 from being separated from the prism rod 2.

The prism rod 2 is provided with a scale 21 indicating the length, and the division accuracy of the scribed lines is 0.5 mm.

The fixed structure 2 is made of aluminum alloy.

A using method of a cable strand embedded pipe axis positioning device comprises the following specific steps:

A. screwing inward ends of four prism rods 2 in the four sets of fixing structures into corresponding threaded connecting holes on four outer side walls of a small Leica prism 4 from four directions of 0 degree, 90 degrees, 180 degrees and 270 degrees respectively, so that the four prism rods 2 are fixed on the four outer side walls of the small Leica prism 4 respectively, and the four prism rods 2 form a cross shape;

B. unscrewing screws 13 on the sliding blocks 1, sleeving one sliding block 1 into each prism rod 2, and screwing the guard ring 3 into the outward end of each prism rod 2 from outside to inside to prevent the sliding blocks 1 from being separated from the prism rods 2;

C. according to the actual size of the diameter of the strand embedded pipe 5, the strand embedded pipe axis positioning device is placed at the pipe orifice of the strand embedded pipe 5 to be measured, namely: the center of a Leka small prism 4 is placed at the axis of a strand pre-buried pipe 3 to be measured, four sliding blocks 1 on four prism rods 2 are roughly adjusted to the outer diameter of the strand pre-buried pipe 5 according to the outer diameter of the strand pre-buried pipe 5 through scribed lines on the prism rods 2, so that the four sliding blocks 1 are close to the pipe wall of the strand pre-buried pipe 5 to be measured, when the positions of the four sliding blocks 1 on the scribed lines on the prism rods 2 are almost the same, the sliding blocks 1 are fixed on the prism rods 2 by screws 13 carried by the sliding blocks 1, and thus, the axis positioning device of the strand pre-buried pipe is arranged at the pipe orifice of the strand pre-buried pipe 5 to be measured;

D. and measuring the Leica small prism 4 at the center of the to-be-measured strand embedded pipe 5 by using a total station 6 according to a conventional method to obtain the axis coordinate of the to-be-measured strand embedded pipe 5, and after the axis adjustment of the to-be-measured strand embedded pipe 5 is completed, moving the strand embedded pipe axis positioning device to another to-be-measured strand embedded pipe 5 to perform axis positioning work.