CN108592830B - Long-distance pipeline installation process detection device and use method - Google Patents
Long-distance pipeline installation process detection device and use method Download PDFInfo
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- CN108592830B CN108592830B CN201810472137.5A CN201810472137A CN108592830B CN 108592830 B CN108592830 B CN 108592830B CN 201810472137 A CN201810472137 A CN 201810472137A CN 108592830 B CN108592830 B CN 108592830B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/22—Measuring arrangements characterised by the use of optical techniques for measuring depth
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
- G01C15/002—Active optical surveying means
- G01C15/004—Reference lines, planes or sectors
- G01C15/006—Detectors therefor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
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Abstract
The long-distance pipeline installation process detection device and the use method are designed for rapid positioning detection of trenching, cushion layer gradient pieces and pipe arrangement in pipeline construction, and belong to the field of civil engineering measurement facilities; the long-distance pipeline installation process detection device consists of a laser emitting facility and a laser receiving facility; the laser emission facility consists of a laser generator, a telescopic rod, a steering facility and a tripod; the laser generator is fixedly connected with one end of the telescopic rod, the other end of the telescopic rod is fixedly connected with two sides of the steering facility, and the bottom of the steering facility is fixedly connected with the top of the tripod; the invention has the beneficial effect that the rapid positioning detection can be conveniently carried out on the trenching, the cushion layer slope piece and the pipe arrangement of the pipeline construction.
Description
Technical Field
The invention discloses a long-distance pipeline installation process detection device and a using method thereof, which are designed for rapid positioning detection of trenching, cushion layer gradient pieces and pipe arrangement in pipeline construction and belong to the field of civil engineering measurement facilities.
Background
The pipeline burying construction is a regular behavior in natural gas transportation engineering, petroleum transportation engineering, water supply engineering and drainage engineering; pipeline embedding generally comprises the steps of pipe ditch excavation, pipeline cushion layer construction, pipeline installation, pipeline embedding and the like; because the length of the pipeline is large, when a pipe ditch is excavated, the pipe wall and the cushion layer of the pipeline are required to be straight, and when the pipeline is placed on a slope and installed according to the regulations, the pipeline must be manufactured in sections and assembled on site due to the transportation requirement, the straightness requirement during assembly is high, the slope requirement during installation is high, and each process must be strictly detected so as to carry out the construction of the next process; in order to ensure that the detection and acceptance pass smoothly, the construction process is especially important to control; in the prior art, most of the processes of control and inspection adopt ruler detection, and the detection process is complex and the precision is difficult to guarantee due to the limited length of the detection ruler; the detection device for the installation process of the long-distance pipeline can solve the problems.
Disclosure of Invention
The specific method of the scheme is as follows:
the detection device for the installation process of the long-distance pipeline shown in the figures 1 and 2 is adopted, so that the operation is convenient, and the precision can be ensured; the long-distance pipeline installation process detection device consists of a laser emitting facility and a laser receiving facility; the laser emission facility consists of a laser generator, a telescopic rod, a steering facility and a tripod; the laser generator is fixedly connected with one end of the telescopic rod, the other end of the telescopic rod is fixedly connected with two sides of the steering facility, and the bottom of the steering facility 13 is fixedly connected with the top of the tripod.
The laser generator is a laser emitting facility and consists of a laser emitter, a shell and a control switch; the laser transmitter consists of a light source, a reflector and a convex mirror, is positioned in the shell, can transmit a transmitted laser beam along the unclosed end of the shell, and transmits the laser beam to a laser receiving facility if no obstacle exists in the middle; the shell is a barrel body part with one closed end and one open end, the top of the shell is provided with a small hole, and the preferred hole diameter is 10 mm; one side of the shell is fixedly connected with the end part of the telescopic rod; the reflector of the laser emitter is positioned at one closed end of the shell, the light source is positioned in the middle, and the convex mirror is positioned at one unclosed end of the shell; the light source consists of a luminous body, a power supply and a lead, and the light source and the control switch are connected into a circuit through the lead; the light-emitting body is positioned at the focus of the reflector, the power supply is positioned at the lower part of the light-emitting body, and the top of the middle of the shell penetrates through a hole in the top of the shell, is connected with the light source through a lead and controls the opening and closing of a light source circuit.
The telescopic rod is a facility for adjusting the position of the laser generator, is formed by sleeving a plurality of pipe fittings with different diameters, and is preferably made of stainless steel pipes with the outer diameters of 50 mm, 40 mm and 30 mm, the inner diameters of 40 mm, 30 mm and 20 mm and the lengths of 1.8-2.0 m; the inner diameter of the outer layer pipe between two adjacent pipes is equal to the outer diameter of the inner layer pipe, the inner pipe and the outer pipe are in clearance-free movable fit, and the inner layer pipe can freely move between the outer layer pipes but cannot be separated; the thinner end of the telescopic rod is fixedly connected with one side of the laser generator, and the thicker end of the telescopic rod is fixedly connected with the steering facility; the two telescopic rods are fixedly connected to two sides of the steering facility in a straight line shape, and the laser generator can make circular motion perpendicular to the ground around the steering facility along with the rotation of the steering facility and can be positioned at any time.
The steering facility consists of a steering wheel, a rotating shaft, a positioner and a fixed seat, wherein the extended lines of the diameters of the edges of the two sides of the steering wheel are fixedly connected with one end of a telescopic rod, the center of the steering wheel is provided with a hole and is vertically connected with the rotating shaft through a bearing, and the periphery of the center hole of the steering wheel is provided with scales;
the fixed seat is a facility for connecting the steering wheel with the tripod through a rotating shaft, and is positioned at the top of the tripod and at the back of the steering wheel; the fixing seat consists of a base, a fixing screw, a coupler, a bearing, a band-type brake and a band-type brake switch, wherein the base is a horizontally arranged plate-shaped component and is provided with a vertically downward screw hole, the diameter and the thread of the screw hole are matched with the fixing screw, and the fixing screw connects the base and the tripod into a whole through the screw hole on the base; the shaft coupling is a cylindrical part positioned on the upper part of the base, the shaft coupling is horizontally fixedly connected on the upper part of the base, an inner hole of the shaft coupling is connected with a shaft through a bearing, and the other end of the circumference is vertically connected with a steering wheel.
The tripod is formed by connecting one end of three length-adjustable rod pieces with the head of the tripod, the upper part of the head of the tripod is provided with a bolt hole which is connected with a fixed seat of a steering facility and corresponds to the bolt hole, the lower part of the head of the tripod is provided with a hinge which is connected with the top end of the length-adjustable rod piece of the tripod, and the length-adjustable rod piece can rotate relative to the head of the tripod through the hinge.
The laser receiving facility consists of a receiving board, a plurality of laser receivers, a laser converter, a digital display and an electric appliance circuit; the laser receiver, the laser converter and the digital display are connected into a unit through an electric circuit and are embedded and fixed on the receiving plate in parallel to form a display screen according to the specification; the laser receiver and the digital display are arranged on the surface of the display screen, and the laser converter is arranged between the display screen and the receiving plate; after a certain unit laser receiver receives the laser emitted by the laser generator, a corresponding number is displayed on a digital display of the unit.
The using method of the long-distance pipeline installation process detection device comprises the steps of process control during pipe ditch excavation, acceptance detection after the pipe ditch excavation, depth detection and slope releasing detection before pipeline cushion layer pouring, pipeline installation detection and acceptance detection after pipeline installation is finished;
(1) process control during trench excavation
The process control during the pipe ditch excavation is that a construction unit utilizes a long-distance pipeline installation process detection device to detect the straightness of the pipe ditch wall and detect the pipe ditch excavation depth;
detecting the straightness of the pipe ditch wall during pipe ditch excavation according to whether detection equipment can meet the requirement of one-time detection, namely detecting when the pipe ditch is narrow and detecting when the pipe ditch is wide;
when the pipe ditch is narrow, the center line of the tripod is placed on the center line of the pipe ditch at one end of the excavated pipe ditch, the head of the tripod is leveled, the laser generators face forwards, the telescopic rod is in a horizontal position, and the length of the telescopic rod is adjusted to enable the distance between the center lines of the two laser generators to be equal to the excavation width of the pipe ditch; vertically placing a laser receiving facility at the corresponding position of the other end of the excavated pipe trench, and simultaneously opening two laser generators to enable the laser generators to emit parallel laser beams, wherein if the laser beams cannot reach the laser receiving facility, the excavated pipe trench cannot meet the pipeline installation requirement; if the laser beam can reach the laser receiving facility, the excavated pipe trench can meet the pipeline installation requirement, and the width of the excavated pipe trench can be judged through the number displayed on the laser receiving facility;
the pipe trench is wide, when the pipe trench exceeds the extension length of the telescopic rod, the center line of the tripod is placed on one side of the center line of the pipe trench at one end of the pipe trench to be excavated, the head of the tripod is leveled, the laser generators face forwards, the telescopic rod is in a horizontal position, and the length of the telescopic rod is adjusted to enable the sum of the center line of one of the laser generators and the distance between the center line of the telescopic rod and the center line of the pipeline to be equal to half of the excavation width; and vertically placing a laser receiving facility at the corresponding position of the other end of the excavated pipe trench, opening a laser generator to enable the laser generator to emit parallel laser beams, judging whether the width of the excavated pipe trench at the detected side can meet the installation requirement through the number displayed on the laser receiving facility, and detecting whether the pipe trench wall is qualified by the same method.
Adjusting the two laser generators to the position vertical to the ground when in depth measurement, enabling the horizontal center line of the steering facility to coincide with the diameter of the pipeline, adjusting the length of the telescopic rod to enable the center line of the laser generators to be equal to the external radius of the pipeline plus the thickness of the cushion layer and the slope size, opening the laser generators, and if the laser beams cannot reach the laser receiving facility, indicating that the depth of the excavated pipe trench cannot meet the pipeline installation requirement; if the laser beam can reach the laser receiving facility, the depth of the excavated pipe trench can meet the pipeline installation requirement, and whether the depth degree and the gradient of the excavated pipe trench can meet the installation requirement can be judged through the number displayed on the laser receiving facility.
(2) Acceptance check after pipe trench excavation
In the process control during the pipe ditch excavation, an acceptance unit or an acceptance staff utilizes a long-distance pipeline installation process detection device to detect the straightness of the pipe ditch wall and the pipe ditch excavation depth; the method is the same as the detection method of process control during pipe trench excavation;
(3) depth detection and slope releasing detection before pouring of pipeline cushion layer
Before the pipeline bed course is poured, firstly, hanging lines according to excavation depth requirements and slope releasing requirements, then, erecting a tripod at one end of an upslope of the poured pipeline bed course, installing a long-distance pipeline installation process detection device, adjusting two laser generators to positions vertical to the ground, enabling a horizontal central line of a steering facility to coincide with the horizontal diameter of a pipeline, adjusting the length of a telescopic rod, enabling the central line of the laser generator to be equal to the external radius of the pipeline, starting the laser generators, if laser is coincided with the hung lines, judging whether the height and the gradient of the detected bed course can meet the installation requirements through numbers displayed on a laser receiving facility.
(4) Pipeline installation detection
The pipeline installation detection is the detection of process control by an installer by using a long-distance pipeline installation process detection device;
the pipelines are hoisted in sections and then connected; after the pipeline is hoisted in place in sections and before splicing, a tripod is supported at one end of the segmented pipeline, a long-distance pipeline installation process detection device is installed, two laser generators are respectively adjusted to be vertical and horizontal to the ground, the horizontal center line of a steering facility is made to coincide with the horizontal diameter of the pipeline 3, the vertical center line of the steering facility is made to coincide with the vertical diameter of the pipeline, the length of a telescopic rod is adjusted, the center line of the laser generator is made to be equal to the external radius of the pipeline, the laser generator is opened, if laser is coincided with the external edge of the pipeline and reaches a laser receiving facility, whether the height and the gradient of the detected pipeline can meet the installation requirements can be judged through the number displayed on the laser receiving.
(5) Acceptance check after pipeline installation
The acceptance detection after the pipeline installation is the detection of process control by an acceptance unit or an acceptance person by using the long-distance pipeline installation process detection device, and the method is the same as the pipeline installation detection.
The invention has the beneficial effect that the rapid positioning detection can be conveniently carried out on the trenching, the cushion layer slope piece and the pipe arrangement of the pipeline construction.
Description of the drawings:
FIG. 1 is a schematic view of a detection device for a long distance pipeline installation process;
FIG. 2 is a schematic diagram of the detection device for the installation process of the long-distance pipeline.
In the figure: 1-a laser emitting facility; 11-a laser generator; 12-a telescopic rod; 13-a steering facility; 14-a tripod; 2-laser receiving facilities; 3-a pipeline; 4-a pipe cushion layer; 5-trench wall.
Detailed Description
Examples
The detection device for the long-distance pipeline installation process shown in the figures 1 and 2 is adopted in a certain project, so that the operation is convenient, and the precision can be ensured; the long-distance pipeline installation process detection device consists of a laser emitting facility 1 and a laser receiving facility 2; the laser emission facility 1 consists of a laser generator 11, an expansion link 12, a steering facility 13 and a tripod 14; the laser generator 11 is fixedly connected with one end of a telescopic rod 12, the other end of the telescopic rod 12 is fixedly connected with two sides of a steering facility 13, and the bottom of the steering facility 13 is fixedly connected with the top of a tripod 14.
The laser generator 11 is a laser emitting facility and consists of a laser emitter, a shell and a control switch; the laser transmitter consists of a light source, a reflector and a convex mirror, is positioned in the shell, can transmit laser beams along the unclosed end of the shell, and transmits the laser beams to the laser receiving facility 2 if no obstacle exists in the middle; the shell is a barrel body part with one closed end and one open end, the top of the shell is provided with a small hole, and the preferred hole diameter is 10 mm; one side of the shell is fixedly connected with the end part of the telescopic rod 12; the reflector of the laser emitter is positioned at one closed end of the shell, the light source is positioned in the middle, and the convex mirror is positioned at one unclosed end of the shell; the light source consists of a luminous body, a power supply and a lead, and the light source and the control switch are connected into a circuit through the lead; the light-emitting body is positioned at the focus of the reflector, the power supply is positioned at the lower part of the light-emitting body, and the top of the middle of the shell penetrates through a hole in the top of the shell, is connected with the light source through a lead and controls the opening and closing of a light source circuit.
The telescopic rod 12 is a facility for adjusting the position of the laser generator 11, is formed by sleeving a plurality of pipe fittings with different diameters, and is preferably made of stainless steel pipes with the outer diameters of 50 mm, 40 mm and 30 mm, the inner diameters of 40 mm, 30 mm and 20 mm, and the lengths of 1.8-2.0 m; the inner diameter of the outer layer pipe between two adjacent pipes is equal to the outer diameter of the inner layer pipe, the inner pipe and the outer pipe are in clearance-free movable fit, and the inner layer pipe can freely move between the outer layer pipes but cannot be separated; the thinner end of the telescopic rod 12 is fixedly connected with one side of the laser generator 11, and the thicker end is fixedly connected with the steering facility 13; the two telescopic rods 12 are fixedly connected to two sides of the steering device 13 in a straight line shape, and along with the rotation of the steering device 13, the laser generator 11 can do circular motion around the steering device 13 and is vertical to the ground, and can be positioned at any time.
The steering device 13 consists of a steering wheel, a rotating shaft, a positioner and a fixed seat, the extension lines of the diameters of the edges of the two sides of the steering wheel are fixedly connected with one end of the telescopic rod 12, the center of the steering wheel is provided with a hole and is vertically connected with the rotating shaft through a bearing, and the periphery of the center hole of the steering wheel is provided with scales;
the fixed seat is a facility for connecting a steering wheel and a tripod 14 through a rotating shaft, and is positioned at the top of the tripod 14 and at the back of the steering wheel; the fixed seat consists of a base, a fixed screw, a coupler, a bearing, a band-type brake and a band-type brake switch, wherein the base is a horizontally arranged plate-shaped component and is provided with a vertically downward screw hole, the diameter and the thread of the screw hole are matched with the fixed screw, and the fixed screw connects the base and the tripod 14 into a whole through the screw hole on the base; the shaft coupling is a cylindrical part positioned on the upper part of the base, the shaft coupling is horizontally fixedly connected on the upper part of the base, an inner hole of the shaft coupling is connected with a shaft through a bearing, and the other end of the circumference is vertically connected with a steering wheel.
The tripod 14 is formed by connecting one end of three length-adjustable rod pieces with the head of the tripod, the upper part of the head of the tripod is provided with a bolt hole which is connected with a fixed seat of the steering facility 13 and corresponds to the bolt hole, the lower part of the head of the tripod is provided with a hinge which is connected with the top end of the length-adjustable rod piece of the tripod 14, and the length-adjustable rod piece can rotate relative to the head of the tripod through the hinge.
The laser receiving facility 2 consists of a receiving board, a plurality of laser receivers, a laser converter, a digital display and an electric appliance circuit; the laser receiver, the laser converter and the digital display are connected into a unit through an electric circuit and are embedded and fixed on the receiving plate in parallel to form a display screen according to the specification; the laser receiver and the digital display are arranged on the surface of the display screen, and the laser converter is arranged between the display screen and the receiving plate; when a laser receiver of a certain unit receives the laser emitted from the laser generator 11, a corresponding number is displayed on the digital display of the unit.
The using method of the long-distance pipeline installation process detection device comprises the steps of process control during pipe ditch excavation, acceptance detection after the pipe ditch excavation, depth detection and slope releasing detection before the pipeline cushion layer 4 is poured, pipeline installation detection and acceptance detection after the pipeline installation is finished;
(1) process control during trench excavation
The process control during the pipe ditch excavation is that a construction unit utilizes a long-distance pipeline installation process detection device to detect the straightness of a pipe ditch wall 5 and detect the pipe ditch excavation depth;
detecting the straightness of the pipe ditch wall 5 during pipe ditch excavation according to whether the detection equipment can meet the requirement of one-time detection, namely detecting when the pipe ditch is narrow and detecting when the pipe ditch is wide;
when the pipe ditch is narrow, the center line of the tripod is placed on the center line of the pipe ditch at one end of the excavated pipe ditch, the head of the tripod is leveled, the laser generators 11 face forwards, the telescopic rod 12 is in a horizontal position, and the length of the telescopic rod 12 is adjusted, so that the distance between the center lines of the two laser generators 11 is equal to the excavation width of the pipe ditch; vertically placing a laser receiving facility 2 at a corresponding position at the other end of the excavated pipe trench, and simultaneously opening two laser generators 11 to enable the laser generators 11 to emit parallel laser beams, wherein if the laser beams cannot reach the laser receiving facility 2, the excavated pipe trench cannot meet the pipeline installation requirement; if the laser beam can reach the laser receiving facility 2, the excavated pipe trench can meet the pipeline installation requirement, and the width of the excavated pipe trench can be judged through the number displayed on the laser receiving facility 2;
the pipe trench is wide, when the pipe trench exceeds the extension length of the telescopic rod 12, the center line of the tripod is placed at one end of the pipe trench to be excavated at one side of the center line of the pipe trench, the head of the tripod is leveled, the laser generators 11 face to the front, the telescopic rod 12 is in a horizontal position, and the length of the telescopic rod 12 is adjusted, so that the sum of the center line of one of the laser generators 11 and the distance between the center line of the pipe trench and the center line of the pipeline is equal to half of the excavation; the laser receiving facility 2 is vertically arranged at the corresponding position of the other end of the excavated pipe trench, the laser generator 11 is opened, the laser generator 11 emits parallel laser beams, whether the width of the excavated pipe trench at one side to be detected can meet the installation requirement can be judged through the number displayed on the laser receiving facility 2, and whether the pipe trench wall 5 is qualified is detected by the same method.
Adjusting the two laser generators 11 to the position vertical to the ground when depth measurement is carried out, enabling the horizontal center line of the steering facility 13 to coincide with the diameter of the pipeline 3, adjusting the length of the telescopic rod 12 to enable the center line of the laser generator 11 to be equal to the outer radius of the pipeline plus the thickness of a cushion layer and the size of a slope, opening the laser generators 11, and if laser beams cannot reach the laser receiving facility 2, indicating that the depth of the excavated pipe ditch cannot meet the installation requirement of the pipeline; if the laser beam can reach the laser receiving facility 2, the depth of the excavated pipe trench can meet the pipeline installation requirement, and whether the depth and the gradient of the excavated pipe trench can meet the installation requirement can be judged through the number displayed on the laser receiving facility 2.
(2) Acceptance check after pipe trench excavation
During the process control of pipe ditch excavation, an acceptance unit or an acceptance staff utilizes a detection device for the installation process of the long-distance pipeline to detect the straightness of the pipe ditch wall 5 and the pipe ditch excavation depth; the method is the same as the detection method of process control during pipe trench excavation;
(3) depth detection and slope releasing detection before pouring of pipeline cushion layer 4
Before the pipeline cushion layer 4 is poured, firstly, hanging lines according to excavation depth requirements and slope releasing requirements, then, erecting a tripod at one end of an upslope of the poured pipeline cushion layer 4, installing a long-distance pipeline installation process detection device, adjusting two laser generators 11 to positions vertical to the ground, enabling a horizontal central line of a steering facility 13 to coincide with a horizontal diameter of a pipeline 3, adjusting the length of a telescopic rod 12 to enable the central line of the laser generators 11 to be equal to the external radius of the pipeline, opening the laser generators 11, and judging whether the height and the gradient of the detected cushion layer can meet the installation requirements through numbers displayed on a laser receiving facility 2 if laser coincides with the hung lines.
(4) Pipeline installation detection
The pipeline installation detection is the detection of process control by an installer by using a long-distance pipeline installation process detection device;
the pipelines are hoisted in sections and then connected; after the pipeline is hoisted in place in sections and before splicing, a tripod is supported at one end of the segmented pipeline, a long-distance pipeline installation process detection device is installed, two laser generators 11 are respectively adjusted to be vertical and horizontal to the ground, the horizontal center line of a steering facility 13 is made to coincide with the horizontal diameter of the pipeline 3, the vertical center line of the steering facility 13 is made to coincide with the vertical diameter of the pipeline 3, the length of a telescopic rod 12 is adjusted, the center line of the laser generator 11 is made to be equal to the external radius of the pipeline, the laser generator 11 is opened, if laser is made to coincide with the outer edge of the pipeline 3 and reach a laser receiving facility 2, whether the height and the gradient of the detected pipeline can meet the installation requirements or not can be judged through the number displayed on the.
(5) Acceptance check after pipeline installation
The acceptance detection after the pipeline installation is the detection of process control by an acceptance unit or an acceptance person by using the long-distance pipeline installation process detection device, and the method is the same as the pipeline installation detection.
Claims (6)
1. The long-distance pipeline installation process detection device is characterized by comprising a laser emitting facility (1) and a laser receiving facility (2); the laser emission facility (1) consists of a laser generator (11), a telescopic rod (12), a steering facility (13) and a tripod (14); the laser generator (11) is fixedly connected with one end of the telescopic rod (12), the other end of the telescopic rod (12) is fixedly connected with two sides of the steering facility (13), and the bottom of the steering facility (13) is fixedly connected with the top of the tripod (14);
the using method of the long-distance pipeline installation process detection device comprises the steps of process control during pipe ditch excavation, acceptance detection after the pipe ditch excavation, depth detection and slope releasing detection before pouring of a pipeline cushion layer (4), pipeline installation detection and acceptance detection after the pipeline installation is finished; the method comprises the following steps:
1) process control during trench excavation
The process control during the pipe ditch excavation is that a construction unit utilizes a long-distance pipeline installation process detection device to detect the straightness of a pipe ditch wall (5) and detect the pipe ditch excavation depth; detecting the straightness of a pipe ditch wall (5) during pipe ditch excavation according to whether detection equipment can meet the requirement of one-time detection, namely detecting when a pipe ditch is narrow and detecting when the pipe ditch is wide; when the pipe trench is narrow, the center line of the tripod is placed on the center line of the pipe trench at one end of the pipe trench which is excavated, the head of the tripod is leveled, the laser generators (11) face to the front, the telescopic rod (12) is in a horizontal position, and the length of the telescopic rod (12) is adjusted, so that the distance between the center lines of the two laser generators (11) is equal to the excavation width of the pipe trench; vertically placing a laser receiving facility (2) at the corresponding position of the other end of the excavated pipe trench, and simultaneously opening two laser generators (11) to enable the laser generators (11) to emit parallel laser beams, wherein if the laser beams cannot reach the laser receiving facility (2), the excavated pipe trench cannot meet the pipeline installation requirement; if the laser beam can reach the laser receiving facility (2), the excavated pipe trench can meet the pipeline installation requirement, and the width of the excavated pipe trench can be judged through the number displayed on the laser receiving facility (2); the pipe trench is wide, when the pipe trench exceeds the extension length of the telescopic rod (12), the center line of the tripod is placed at one side of the center line of the pipe trench at one end of the pipe trench to be excavated, the head of the tripod is leveled, the laser generators (11) face to the front, the telescopic rod (12) is in a horizontal position, and the length of the telescopic rod (12) is adjusted, so that the sum of the center line of one of the laser generators (11) and the distance between the center line of the pipe and the center line of the pipeline is equal to half of the excavation width of; vertically placing a laser receiving facility (2) at the corresponding position of the other end of the excavated pipe trench, opening a laser generator (11) to enable the laser generator (11) to emit parallel laser beams, judging whether the width of the excavated pipe trench at one side to be detected can meet the installation requirement through the number displayed on the laser receiving facility (2), and detecting whether the pipe trench wall (5) is qualified by the same method;
when depth measurement is carried out, the two laser generators (11) are adjusted to the position vertical to the ground, the horizontal center line of the steering facility (13) is overlapped with the diameter of the pipeline (3), the length of the telescopic rod (12) is adjusted, the center line of the laser generator (11) is made to be equal to the outer radius of the pipeline plus the thickness of a cushion layer and the size of a slope, the laser generator (11) is opened, and if laser beams cannot reach the laser receiving facility (2), the depth of an excavated pipe ditch cannot meet the installation requirement of the pipeline; if the laser beam can reach the laser receiving facility (2), the depth of the excavated pipe trench can meet the pipeline installation requirement, and whether the depth and the gradient of the excavated pipe trench can meet the installation requirement can be judged through the number displayed on the laser receiving facility (2);
2) acceptance check after pipe trench excavation
In the process control during the pipe ditch excavation, an acceptance unit or an acceptance staff utilizes a long-distance pipeline installation process detection device to detect the straightness of a pipe ditch wall (5) and detect the pipe ditch excavation depth; the method is the same as the detection method of process control during pipe trench excavation;
3) depth detection and slope detection before pouring of pipeline cushion layer (4)
Before the pipeline cushion layer (4) is poured, firstly hanging lines according to excavation depth requirements and slope releasing requirements, then erecting a tripod at one end of an upslope of the poured pipeline cushion layer (4), installing a long-distance pipeline installation process detection device, adjusting two laser generators (11) to a position vertical to the ground, enabling a horizontal central line of a steering facility (13) to coincide with the horizontal diameter of a pipeline (3), adjusting the length of a telescopic rod (12), enabling the central line of the laser generator (11) to be equal to the external radius of the pipeline, opening the laser generator (11), and judging whether the height and the gradient of the detected cushion layer can meet the installation requirements or not through numbers displayed on a laser receiving facility (2) if the laser is coincident with the hung lines;
4) pipeline installation detection
The pipeline installation detection is the detection of process control by an installer by using a long-distance pipeline installation process detection device;
the pipelines are hoisted in sections and then connected; after the pipeline is hoisted in place in sections and before splicing, a tripod is supported at one end of the segmented pipeline, a long-distance pipeline installation process detection device is installed, two laser generators (11) are respectively adjusted to positions vertical to the ground and horizontal to enable the horizontal center line of a steering facility (13) to coincide with the horizontal diameter of the pipeline (3), the vertical center line of the steering facility (13) to coincide with the vertical diameter of the pipeline (3), the length of a telescopic rod (12) is adjusted to enable the center line of the laser generator (11) to be equal to the external radius of the pipeline, the laser generator (11) is opened, if the laser is coincided with the outer edge of the pipeline (3) and reaches a laser receiving facility (2), whether the height and the gradient of the detected pipeline can meet the installation requirements or not can be judged through the number displayed on the laser receiving facility (2);
5) acceptance check after pipeline installation
The acceptance detection after the pipeline installation is the detection of process control by an acceptance unit or an acceptance person by using the long-distance pipeline installation process detection device, and the method is the same as the pipeline installation detection.
2. The long distance pipeline installation process detection device as claimed in claim 1, wherein the laser generator (11) is a laser emitting device, and is composed of a laser emitter, a housing and a control switch; the laser transmitter consists of a light source, a reflector and a convex mirror, is positioned in the shell, can transmit a transmitted laser beam along the unclosed end of the shell, and transmits the laser beam to the laser receiving facility (2) if no obstacle exists in the middle; the shell is a barrel body part with one closed end and one open end, the top of the shell is provided with a small hole, and one side of the shell is fixedly connected with the end part of the telescopic rod (12); the reflector of the laser emitter is positioned at one closed end of the shell, the light source is positioned in the middle, and the convex mirror is positioned at one unclosed end of the shell; the light source consists of a luminous body, a power supply and a lead, and the light source and the control switch are connected into a circuit through the lead; the light-emitting body is positioned at the focus of the reflector, the power supply is positioned at the lower part of the light-emitting body, and the top of the middle of the shell penetrates through a hole in the top of the shell, is connected with the light source through a lead and controls the opening and closing of a light source circuit.
3. The long-distance pipeline installation process detection device as claimed in claim 1, wherein the telescopic rod (12) is a facility for adjusting the position of the laser generator (11) and is formed by sleeving a plurality of pipe fittings with different diameters, the inner diameter of an outer pipe between two adjacent pipes is equal to the outer diameter of an inner pipe, no clearance fit is formed between the inner pipe and the outer pipe, and the inner pipe can freely move between the outer pipes but cannot be separated; the thinner tail end of the telescopic rod (12) is fixedly connected with one side of the laser generator (11), and the thicker end of the telescopic rod is fixedly connected with the steering facility (13); the two telescopic rods (12) are fixedly connected to two sides of the steering facility (13) in a straight line shape, and the laser generator (11) can do circular motion vertical to the ground around the steering facility (13) along with the rotation of the steering facility (13) and can be positioned at any time.
4. The long-distance pipeline installation process detection device as claimed in claim 1, wherein the steering facility (13) is composed of a steering wheel, a rotating shaft, a positioner and a fixed seat, extension lines of diameters of two side edges of the steering wheel are fixedly connected with one end of the telescopic rod (12), a hole is formed in the center of the steering wheel and is vertically connected with the rotating shaft through a bearing, and scales are arranged on the periphery of the center hole of the steering wheel;
the fixed seat is a facility for connecting the steering wheel with the tripod (14) through a rotating shaft, and is positioned at the top of the tripod (14) and at the back of the steering wheel; the fixed seat consists of a base, a fixed screw, a coupler, a bearing, a band-type brake and a band-type brake switch, wherein the base is a horizontally arranged plate-shaped component and is provided with a vertically downward screw hole, the aperture and the thread of the screw hole are matched with the fixed screw, and the fixed screw connects the base and a tripod (14) into a whole through the screw hole on the base; the shaft coupling is a cylindrical part positioned on the upper part of the base, the shaft coupling is horizontally and fixedly connected on the upper part of the base, an inner hole of the shaft coupling is connected with a shaft through a bearing, and the other end of the shaft is vertically connected with a steering wheel.
5. The long-distance pipeline installation process detection device as claimed in claim 1, wherein the tripod (14) is formed by connecting one end of three length-adjustable rod pieces with the head of the tripod, the upper part of the head of the tripod is provided with a bolt hole corresponding to the connection with the fixed seat of the steering facility (13), the lower part of the head of the tripod is provided with a hinge connected with the top end of the length-adjustable rod piece of the tripod (14), and the length-adjustable rod piece can rotate relative to the head of the tripod through the hinge.
6. The long-distance pipeline installation process detection device as claimed in claim 1, wherein the laser receiving facility (2) is composed of a receiving plate, a plurality of laser receivers, a laser converter, a digital display and an electric appliance circuit; the laser receiver, the laser converter and the digital display are connected into a unit through an electric circuit and are embedded and fixed on the receiving plate in parallel to form a display screen according to the specification; the laser receiver and the digital display are arranged on the surface of the display screen, and the laser converter is arranged between the display screen and the receiving plate; when a certain unit laser receiver receives the laser emitted by the laser generator (11), a corresponding number is displayed on a digital display of the unit.
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| CN201810472137.5A CN108592830B (en) | 2018-05-17 | 2018-05-17 | Long-distance pipeline installation process detection device and use method |
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| CN109780323B (en) * | 2019-03-06 | 2023-10-20 | 广东省建筑工程机械施工有限公司 | Auxiliary pipeline installation device and application method thereof |
| CN111151890A (en) * | 2020-01-17 | 2020-05-15 | 广东省特种设备检测研究院珠海检测院 | Container laser marking device and system |
| CN111636698A (en) * | 2020-06-30 | 2020-09-08 | 中交一公局集团有限公司 | Catching tool and auxiliary mounting tool |
| CN113007440B (en) * | 2021-02-18 | 2022-11-29 | 呼和浩特中燃城市燃气发展有限公司 | Construction method for gas pipeline to pass through river bottom |
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