CN216081483U - Open caisson heading machine guide system based on double-line laser - Google Patents

Open caisson heading machine guide system based on double-line laser Download PDF

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Publication number
CN216081483U
CN216081483U CN202122564747.8U CN202122564747U CN216081483U CN 216081483 U CN216081483 U CN 216081483U CN 202122564747 U CN202122564747 U CN 202122564747U CN 216081483 U CN216081483 U CN 216081483U
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laser
open caisson
measuring device
guide pipe
target
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郑康泰
林福龙
周树亮
魏晓龙
郭俊可
黄震
路亚缇
王宁
谢荣灿
徐淼
张子华
王震
赵春阳
李杨
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China Railway Engineering Equipment Group Co Ltd CREG
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China Railway Engineering Equipment Group Co Ltd CREG
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Abstract

The utility model relates to a double-line laser-based open caisson heading machine guiding system, which comprises a preposed measuring device and a guiding pipe, wherein the preposed measuring device comprises a measuring head, a measuring head and a guiding pipe, wherein the measuring head is arranged in the front of the guiding system, the measuring head is arranged in the front of the guiding pipe, and the guiding head is provided with a guide pipe which is connected with the measuring head and the measuring head through a double-line laser, and the guiding head is provided with a guide pipe which is connected with the measuring head and a guide pipe which is connected with the measuring head, the guide pipe is connected with the measuring head, the double-line laser-line, and the double-line laser-line is connected with the guide pipe, the guide pipe is arranged between the measuring head and the measuring head, the guide pipe, and the guide pipe is connected with the measuring head, the guide pipe and the guide pipe is connected with the guide pipe, the guide pipe and the guide pipe, the guide pipe is connected with the guide pipe, the guide pipe and the guide pipe is connected with the guide pipe, the guide pipe and the guide pipe, the guide pipe and the guide pipe, the: leading measuring device includes laser target and inclinometer, and laser target and inclinometer all set up in the caisson and lie in on the inner wall of the open caisson section of jurisdiction of its bottom, and the top of laser target is provided with laser emitter, and the laser target is located the inside of stand pipe, and the stand pipe extends to liquid level top and is close to laser emitter's position, and the laser beam that laser emitter launched passes the inner space of stand pipe and jets into the laser target. The utility model solves the technical problems of complicated attitude measurement process, poor precision and high cost of the underwater development machine.

Description

Open caisson heading machine guide system based on double-line laser
Technical Field
The utility model relates to the field of open caisson tunneling, in particular to an open caisson heading machine guiding system based on double-line laser, and particularly relates to an open caisson heading machine guiding system based on double-line laser.
Background
The underwater open caisson heading machine is a special engineering machine, and has the functions of excavating underwater rock soil, discharging muddy water mixture, detecting and controlling excavation contour, detecting open caisson depth and attitude and the like.
At present, the bridge pier of a large wading bridge is mostly constructed by a multi-cabin open caisson method, and the bridge pier has the advantages of low cost, good quality and the like. As eyes of the open caisson heading machine, the guiding system is used for guiding the heading machine to adjust the attitude in the heading process so as to ensure efficient and high-quality completion of the heading operation, but the general working environment of the underwater open caisson heading machine is underwater, and the method for directly irradiating and measuring the laser adopted by the guiding system is not applicable any more, so that the attitude of the heading machine and the attitude of the open caisson can only be measured by adopting a manual measurement method at the present stage for the underwater operation, and the method is poor in measurement accuracy, time-consuming, labor-consuming and incapable of continuous measurement.
Aiming at the problems of complicated attitude measurement process, poor precision and high cost of an underwater development machine in the related technology, no effective solution is provided at present.
Therefore, the inventor provides a double-line laser-based open caisson heading machine guiding system by virtue of experience and practice of related industries for many years, so as to overcome the defects in the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a double-line laser-based open caisson heading machine guiding system which is simple in structure, convenient to operate, suitable for an underwater environment, high in measurement precision, capable of saving manpower and material resources, capable of realizing real-time monitoring of the open caisson attitude and effectively solving the problem that the attitude measurement of an underwater heading machine cannot be accurate and automatic.
The purpose of the utility model can be realized by adopting the following technical scheme:
the utility model provides a double-line laser-based open caisson heading machine guiding system, which comprises a preposed measuring device and a guiding pipe, wherein the preposed measuring device comprises a measuring head, a measuring head and a guiding pipe, and the guiding head is arranged in the front of the measuring head, and is characterized in that:
leading measuring device includes laser target and inclinometer, the laser target with the inclinometer all sets up on the inner wall of the open caisson section of jurisdiction that is located its bottom in the open caisson, the top of laser target is provided with laser emitter, the laser target is located the inside of stand pipe, the stand pipe extends to the liquid level top and is close to laser emitter's position, the laser beam that laser emitter launched passes the inner space of stand pipe jets into the laser target.
In a preferred embodiment of the present invention, the front measuring device further includes a first mounting bracket, the first mounting bracket is fixed to the inner wall of the open caisson segment, and the laser target and the inclinometer are both disposed on the first mounting bracket.
In a preferred embodiment of the present invention, the bottom end of the guide tube is hermetically connected to the first mounting bracket, the laser target is located inside the guide tube and near the bottom end of the guide tube, and the top end of the guide tube extends to the wellhead of the open caisson and is located below the laser emitter.
In a preferred embodiment of the present invention, the first mounting bracket is mounted in a horizontal direction, so that the laser beam emitted by the laser emitter is incident on the laser target in a vertically downward direction.
In a preferred embodiment of the present invention, the number of the guide pipes is multiple, each of the guide pipes is connected in sequence from bottom to top and hermetically, and a second mounting bracket is connected between each of the guide pipes and the inner wall of the caisson segment.
In a preferred embodiment of the present invention, the X-axis or the Y-axis of the inclinometer faces to the axial center direction of the caisson segment.
In a preferred embodiment of the present invention, the number of the laser emitters is at least two.
In a preferred embodiment of the present invention, the laser emitter is a plumb laser.
In a preferred embodiment of the present invention, the open caisson heading machine guidance system based on the twin-line laser further includes an upper computer, and the detection signal output end of the laser target and the detection signal output end of the inclinometer are respectively connected to the detection signal receiving end of the upper computer.
In a preferred embodiment of the present invention, the open caisson heading machine guidance system based on the twin-line laser further comprises a power supply, and the power supply is respectively connected with the power supply end of the laser target, the power supply end of the inclinometer and the power supply end of the laser transmitter.
From the above, the open caisson heading machine guide system based on the double-line laser has the characteristics and advantages that:
the laser target and the inclinometer are arranged on the inner wall of the open caisson segment positioned at the bottom of the open caisson segment in the open caisson, the open caisson segment is continuously spliced into a ring by the well head position in the open caisson tunneling process, the open caisson segment below is pushed to move downwards, the inclinometer and the laser target can respectively detect the inclination angle and the verticality of the open caisson segment in real time, so that the attitude information such as the roll angle and the verticality of the open caisson is obtained, and the real-time monitoring of the open caisson attitude is realized.
Because the laser target is arranged in the guide pipe, the guide pipe extends to the position above the liquid level and close to the laser emitter, so that the laser beam emitted by the laser emitter can penetrate through the inner space of the guide pipe and can be emitted into the laser target, even if the tunneling operation is carried out underwater, the verticality information of the open caisson can be accurately acquired by matching the laser emitter with the laser target, the difficult problem that the underwater environment cannot be directly irradiated and measured by laser is solved, the underwater tunneling operation is suitable for the underwater environment, the measurement precision is improved, the worker does not need to go into the well for measurement, and the accuracy and the automation degree of the attitude measurement of the underwater tunneling machine are greatly improved.
Drawings
The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention. Wherein:
FIG. 1: the utility model is a schematic diagram of the installation position of the guide system of the open caisson heading machine based on the double-line laser.
FIG. 2: the utility model is a schematic structural diagram of a preposed measuring device in a guide system of an open caisson heading machine based on double-line laser.
FIG. 3: the utility model relates to a control structure block diagram of a double-line laser-based open caisson heading machine guide system.
The reference numbers in the utility model are:
1. a pre-measurement device; 101. Laser target;
102. an inclinometer; 103. A first mounting bracket;
1031. a first mounting plate; 1032. A second mounting plate;
2. a laser transmitter; 3. A guide tube;
4. a second mounting bracket; 5. Open caisson segment;
6. an upper computer; 7. A power source.
Detailed Description
In order to more clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will now be described with reference to the accompanying drawings.
As shown in fig. 1 and fig. 2, the utility model provides a double-line laser-based open caisson heading machine guiding system, which comprises a preposed measuring device 1 and a guiding pipe 3, wherein: the preposed measuring device 1 comprises a laser target 101 and an inclinometer 102, wherein the laser target 101 and the inclinometer 102 are fixedly arranged on the inner wall of a sinking well pipe piece 5 (namely, the first sinking well pipe piece 5 from bottom to top) positioned at the bottom in a sinking well, a laser emitter 2 is arranged above the laser target 101, the laser target 101 is positioned inside a guide pipe 3, the guide pipe 3 extends upwards to the position above the liquid level and close to the bottom of the laser emitter 2, and a laser beam emitted by the laser emitter 2 is emitted into the inner space of the guide pipe 3 from an opening at the top end of the guide pipe 3 and then penetrates into the laser target 101 through the inner space of the guide pipe 3.
In the open caisson tunneling process, the open caisson segments 5 are continuously spliced into a ring by the position of a wellhead, and the open caisson segments 5 positioned below the wellhead are pushed to move downwards, in the process, the inclination angle of the open caisson segments 5 can be detected by the inclinometer 102 in real time, and meanwhile, the verticality of the open caisson segments 5 can be detected by the laser targets 101 in real time, so that the attitude information such as the roll angle, the verticality and the like of the open caisson is obtained, and the purpose of monitoring the open caisson attitude in real time is achieved. In addition, because the laser target 101 is arranged inside the guide pipe 3, the guide pipe 3 extends to the position above the liquid level and close to the laser emitter 2, so that a laser beam emitted by the laser emitter 2 can penetrate through the inner space of the guide pipe 3 and can penetrate into the laser target 101, the guide pipe 3 not only isolates the laser target 101 from the water phase in the open caisson, but also provides a channel for the laser to penetrate into the water, even if the tunneling operation is carried out underwater, the laser emitter 2 can be ensured to be matched with the laser target 101 to accurately acquire the verticality information of the open caisson, the problem that the underwater environment cannot be measured by adopting laser direct irradiation is solved, the underwater tunneling device is suitable for the tunneling operation of the underwater environment, the measurement precision is improved, the whole measurement process completely does not need workers to go into the well for operation, and the accuracy and the automation degree of the attitude measurement of the underwater tunneling machine are greatly improved.
Further, the laser emitter 2 may be, but is not limited to, a plumb laser.
Further, the X axis or the Y axis of the inclinometer 102 faces the axial direction of the open caisson segment 5; the number of the laser emitters 2 is at least two, and the laser target 101 can receive the laser beams emitted by the laser emitters 2 at the same time, so as to improve the accuracy of monitoring data.
In an alternative embodiment of the present invention, as shown in fig. 2, the front measuring device 1 further comprises a first mounting bracket 103, the first mounting bracket 103 is fixed on the inner wall of the caisson tube sheet 5, and the laser target 101 and the inclinometer 102 are both arranged on the first mounting bracket 103. Through the arrangement of the first mounting bracket 103, the laser target 101 and the inclinometer 102 are ensured to have good stability in the open caisson.
Further, as shown in fig. 2, the guide tube 3 is arranged along the vertical direction, the bottom end of the guide tube 3 is hermetically connected with the first mounting bracket 103, the laser target 101 is located inside the guide tube 3 and close to the bottom end of the guide tube 3, and the top end of the guide tube 3 extends to the wellhead of the open caisson and is located below the laser emitter 2, so that the laser beam emitted by the laser emitter 2 can pass through the inner space of the guide tube 3 and smoothly shoot into the laser target 101. Through the setting of stand pipe 3 and the sealing connection relation between stand pipe 3 and the first installing support 103, can prevent rivers among the open caisson from flowing into to the stand pipe 3 in, guarantee that laser target 101 can receive the laser beam that laser emitter 2 launched smoothly to guarantee measured data's precision.
Further, the first mounting bracket 103 is mounted in a horizontal direction, and the target surface of the laser target 101 faces directly above, so that the laser beam emitted by the laser emitter 2 is incident on the laser target 101 in a vertically downward direction.
Specifically, as shown in fig. 2, the first mounting bracket 103 includes a first mounting plate 1031 and a second mounting plate 1032, the first mounting plate 1031 is disposed along the horizontal direction, the second mounting plate 1032 is disposed along the vertical direction, a side wall of the second mounting plate 1032 is fixed on the inner wall of the caisson segment 5, one end of the first mounting plate 1031 is connected to the middle position of the other opposite side wall of the second mounting plate 1032, and the other end of the first mounting plate 1031 extends toward the axial direction of the caisson segment 5. The laser target 101 and the inclinometer 102 are respectively fixedly arranged on the top of the first mounting plate 1031, and the bottom end of the guide tube 3 is hermetically connected with the top of the first mounting plate 1031.
Further, the first mounting plate 1031 and the second mounting plate 1032 may be welded or integrally formed.
In an alternative embodiment of the present invention, as shown in fig. 1, the number of the guide pipes 3 is multiple, each guide pipe 3 is sequentially and hermetically connected from bottom to top, and a second mounting bracket 4 is connected between each guide pipe 3 and the inner wall of the caisson segment 5, so that the connection stability of each guide pipe 3 is improved, and the relative position between each guide pipe 3 and the caisson segment 5 is fixed.
In an optional embodiment of the present invention, as shown in fig. 3, the open caisson heading machine guidance system based on the double-line laser further includes an upper computer 6, the upper computer 6 is disposed in a control room on the ground, a detection signal output end of the laser target 101 and a detection signal output end of the inclinometer 102 are respectively connected to a detection signal receiving end of the upper computer 6, the laser target 101 and the inclinometer 102 respectively transmit the detected data to the upper computer 6, and the upper computer 6 can obtain attitude information such as a rolling angle, verticality and the like of the open caisson, so as to achieve the purpose of monitoring the attitude of the open caisson in real time.
Further, the laser target 101 may transmit data to the upper computer 6 via, but not limited to, TCP/IP protocol, and the inclinometer 102 may transmit data to the upper computer 6 via, but not limited to, RS485 protocol.
In an alternative embodiment of the present invention, as shown in fig. 3, the open caisson heading machine guidance system based on the twin-line laser further includes a power supply 7, the power supply 7 is respectively connected with the power supply end of the laser target 101, the power supply end of the inclinometer 102 and the power supply end of the laser emitter 2, and the power supply 7 supplies power to the laser target 101, the inclinometer 102 and the laser emitter 2 to ensure the normal operation of the equipment.
The working principle of the utility model is as follows: through first installing support 103 with inclinometer 102 and laser target 101 fixed mounting on the inner wall of the first section open caisson section of jurisdiction 5 in the direction from bottom to top, set up laser emitter 2 in the position that the top of laser target 101 is located the well head, set up stand pipe 3 in the outside of laser target 101, the top of stand pipe 3 extends to laser emitter 2's below and is close to the position of laser emitter 2 to prevent in the water entering stand pipe 3 in the open caisson. In the open caisson tunneling process, the open caisson segments 5 are continuously spliced into a ring by the position of a wellhead, the open caisson segments 5 positioned below the wellhead are pushed to move downwards, in the process, the inclinometer 102 can detect the inclination angle of the open caisson segments 5 in real time, meanwhile, a laser beam emitted by the laser emitter 2 penetrates through the inner space of the guide pipe 3 and enters the laser target 101, the verticality of the open caisson segments 5 is detected in real time, the inclinometer 102 and the laser target 101 transmit detected data to the upper computer 6, the upper computer 6 can obtain the attitude information of the open caisson, such as the rolling angle, the verticality and the like, so that the open caisson attitude and the underwater tunneling machine attitude are monitored in real time, and smooth tunneling of the open caisson is ensured.
The open caisson heading machine guide system based on the double-line laser has the characteristics and advantages that:
the open caisson heading machine guiding system based on the double-line laser detects the inclination angle of an open caisson segment 5 through an inclinometer 102, detects the verticality of the open caisson segment 5 through a laser target 101, and transmits detected data to an upper computer 6, so that the attitude information such as the roll angle and the verticality of the open caisson can be obtained, the purpose of real-time monitoring of the attitude of the open caisson is achieved, the whole measuring process completely does not need workers to go into the well for operation, and the accuracy and the degree of automation of attitude measurement of the underwater heading machine are greatly improved.
Secondly, this open caisson entry driving machine guide system based on double-line laser sets up laser target 101 in the inside of stand pipe 3, stand pipe 3 not only keeps apart laser target 101 and the aqueous phase in the open caisson, and it provides the passageway to shoot into aquatic for the laser moreover, even carry out the tunnelling operation under water, also can ensure that laser emitter 2 cooperatees with laser target 101 and accurately gathers the straightness information that hangs down of open caisson, solved the environment under water and can't adopt the difficult problem that laser direct irradiation measured, thereby be applicable to the tunnelling operation of environment under water, improve measurement accuracy.
The open caisson heading machine guiding system based on the double-line laser can realize the automatic guiding function of the heading machine, bear the pressure of muddy water in the open caisson at the same time, does not need manual operation in the open caisson, can directly display the detection result outwards, and greatly improves the real-time property and the automation degree.
The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention. Any equivalent changes and modifications that can be made by one skilled in the art without departing from the spirit and principles of the utility model should fall within the protection scope of the utility model.

Claims (10)

1. The open caisson heading machine guide system based on the double-line laser is characterized by comprising a preposed measuring device and a guide pipe, wherein the preposed measuring device comprises a first measuring device and a second measuring device, and the first measuring device comprises a first measuring device and a second measuring device which are connected with the first measuring device respectively, and the second measuring device comprises a second measuring device which are connected with the second measuring device respectively, and the first measuring device comprises a first measuring device and a second measuring device which are connected with the first measuring device respectively, and the second measuring device comprises a first measuring device and a second measuring device which are connected with the second measuring device respectively, wherein the first measuring device comprises a first measuring device and a second measuring device which are connected with the first measuring device:
leading measuring device includes laser target and inclinometer, the laser target with the inclinometer all sets up on the inner wall of the open caisson section of jurisdiction that is located its bottom in the open caisson, the top of laser target is provided with laser emitter, the laser target is located the inside of stand pipe, the stand pipe extends to the liquid level top and is close to laser emitter's position, the laser beam that laser emitter launched passes the inner space of stand pipe jets into the laser target.
2. The twin-wire laser-based open caisson heading machine guidance system of claim 1, wherein the pre-measurement device further comprises a first mounting bracket fixed to the inner wall of the open caisson segment, the laser target and the inclinometer being disposed on the first mounting bracket.
3. A twin-wire laser based open caisson heading machine guide system according to claim 2 wherein the bottom end of the guide tube is sealingly connected to the first mounting bracket, the laser target is located inside and adjacent to the bottom end of the guide tube, and the top end of the guide tube extends to the wellhead of the open caisson and below the laser transmitter.
4. A twin wire laser based open caisson guide system as defined in claim 3, wherein the first mounting bracket is mounted in a horizontal direction so that the laser beam emitted by the laser transmitter is projected into the laser target in a vertically downward direction.
5. The twin-wire laser-based open caisson heading machine guidance system of claim 1, wherein the number of the guide pipes is multiple, each guide pipe is connected in sequence from bottom to top and hermetically, and a second mounting bracket is connected between each guide pipe and the inner wall of the open caisson segment.
6. The twin-wire laser based open caisson heading machine guidance system of claim 1, wherein the X-axis or Y-axis of the inclinometer is oriented towards the axial center of the open caisson segment.
7. A twin wire laser based open caisson heading machine guidance system according to claim 1 wherein the number of laser transmitters is at least two.
8. A twin wire laser based sinking machine guidance system according to claim 1 or 7 wherein the laser transmitter is a plumb laser.
9. The twin-line laser based open caisson heading machine guidance system of claim 1, wherein the twin-line laser based open caisson heading machine guidance system further comprises an upper computer, and the detection signal output end of the laser target and the detection signal output end of the inclinometer are respectively connected with the detection signal receiving end of the upper computer.
10. The twin wire laser based open caisson guide system of claim 1, wherein the twin wire laser based open caisson guide system further comprises a power supply, said power supply being connected to the power supply terminal of the laser target, the power supply terminal of the inclinometer, and the power supply terminal of the laser transmitter, respectively.
CN202122564747.8U 2021-10-25 2021-10-25 Open caisson heading machine guide system based on double-line laser Active CN216081483U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113982601A (en) * 2021-10-25 2022-01-28 中铁工程装备集团有限公司 Open caisson heading machine guide system based on dynamic inclinometer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113982601A (en) * 2021-10-25 2022-01-28 中铁工程装备集团有限公司 Open caisson heading machine guide system based on dynamic inclinometer
CN113982601B (en) * 2021-10-25 2024-05-10 中铁工程装备集团有限公司 Sinking well heading machine guiding system based on dynamic inclinometer

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