CN108180347B - Underground pipeline measuring equipment and using method thereof - Google Patents

Underground pipeline measuring equipment and using method thereof Download PDF

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Publication number
CN108180347B
CN108180347B CN201711456459.2A CN201711456459A CN108180347B CN 108180347 B CN108180347 B CN 108180347B CN 201711456459 A CN201711456459 A CN 201711456459A CN 108180347 B CN108180347 B CN 108180347B
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Prior art keywords
cylinder
groove
buckle
rotating
bull stick
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CN108180347A (en
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王建辉
程宝银
龚维生
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Surveying And Mapping Institute Ltd Of Suzhou City
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Surveying And Mapping Institute Ltd Of Suzhou City
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/26—Pigs or moles, i.e. devices movable in a pipe or conduit with or without self-contained propulsion means
    • F16L55/28—Constructional aspects
    • F16L55/30—Constructional aspects of the propulsion means, e.g. towed by cables
    • F16L55/32—Constructional aspects of the propulsion means, e.g. towed by cables being self-contained
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/26—Pigs or moles, i.e. devices movable in a pipe or conduit with or without self-contained propulsion means
    • F16L55/28—Constructional aspects
    • F16L55/40—Constructional aspects of the body
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L2101/00—Uses or applications of pigs or moles
    • F16L2101/30—Inspecting, measuring or testing

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

Abstract

The invention relates to underground pipeline measuring equipment and a using method thereof, which are used for measuring the trend of a pipeline in the pipeline, wherein the equipment comprises a tractor and a measuring machine; the tractor comprises a chassis and a traction part, wherein the traction part is arranged on the chassis through a lifting device, and the chassis is connected with the traction part through a cable; the tractor is provided with a power module, a lifting unit, a switch, a milemeter and a positioning module, and the measuring machine is internally provided with an inertia measuring module, a man-machine interaction module, a central processing module and a storage module; the measuring machine comprises an outer cylinder, an inner cylinder and an extension cylinder. The measuring equipment has the advantages of long measuring range, good water resistance and high precision.

Description

Underground pipeline measuring equipment and using method thereof
Technical Field
The invention belongs to the field of underground pipeline measurement, and particularly relates to underground pipeline trend measuring equipment and a using method thereof.
Background
Underground pipelines are becoming more and more dense, and many pipelines require maintenance, diagnosis and repair; during construction, accurate information of pipelines needs to be exchanged among pipeline departments. The underground pipe network established in the past can not provide an accurate pipeline position map due to historical reasons and poor management.
The mainstream measuring instruments for detecting the position of the underground pipeline in the market at present comprise an electromagnetic pipeline detector, a ground penetrating radar and the like. The former uses the electromagnetic induction principle to detect metal pipelines, electric/optical cables and some non-metal pipelines with metal mark lines, for the non-metal pipelines, a probe with an electromagnetic signal needs to be inserted in the pipelines, and the corresponding positions of the pipelines are determined by determining the positions of the probe; the latter is to transmit high-frequency electromagnetic wave signals to the underground through a transmitting antenna, receive the electromagnetic waves reflected back to the ground through a receiving antenna, reflect the electromagnetic waves when encountering interface surfaces with electrical differences when the electromagnetic waves propagate in the underground medium, and infer the spatial position, structure, form and burial depth of the underground medium according to the characteristics of the received electromagnetic waves such as waveform, amplitude intensity and time change. Both types of instruments detect by electromagnetic and radio means, and they have several common disadvantages: (1) the detection depth is limited; especially for river-crossing pipeline detection; (2) the metal shield on the pipeline cannot be detected; (3) the interference of field electromagnetic field is large; (4) the operation steps are complex, the measurement speed is slow, and the efficiency is low.
In order to overcome the technical problems, the technical personnel in the field propose novel underground pipeline exploration equipment. For example, chinese patent CN205566473U discloses a visual underground pipeline inspection instrument, which uses a telescopic operating rod to make a video acquisition mechanism go deep into an inspection well or a pipe trench for detection. However, the data collected by the detector is single in type and small in detection range; chinese patent CN205120128U discloses a pipeline three-dimensional attitude measurement instrument based on inertial measurement technology, which integrates all electronic devices in a cabin body, and realizes the movement of the measurement instrument in the pipeline by cable winches at both sides of the pipeline, but the measurement instrument still needs to pass a cable through the pipeline before measurement, and certain potential safety hazard exists in the process of passing through the old pipeline which is repaired for a long time.
Based on the technical problems, the invention provides novel underground pipeline measuring equipment and a using method thereof, wherein the measuring equipment is provided with a power system, can automatically move in a pipeline, is not influenced by environments such as terrain, landform, depth, electromagnetism and the like, quickly and accurately surveys the underground pipeline, and provides an accurate pipeline position.
Disclosure of Invention
The purpose of the invention is as follows: the utility model provides a do not receive the influence of topography, landform, degree of depth, electromagnetic environment, can be fast accurate carry out the equipment of location to the underground pipeline, specifically adopt following technical scheme.
The underground pipeline measuring equipment comprises a tractor and a measuring machine, and is characterized in that the tractor comprises a chassis and a traction part, and the traction part is arranged on the chassis through a lifting device; the chassis is connected with the traction part through a cable; a power module, a power module and a lifting unit are arranged in the chassis; the top end of the traction part is provided with a miniature laser radar and a first ultrasonic ranging sensor; the tail of the traction part is provided with four traction interfaces and four spring interfaces, and the four spring interfaces are 90 degrees along the circumference of the traction interfaceoUniformly distributing; the front end of the traction part is provided with a first tripod head, the middle of the first tripod head is provided with a second tripod head, and the second tripod head is provided with a camera and a flash lamp; the tractor is provided with a switch, a mileometer and a positioning module, and the measuring machine is internally provided with an inertia measuring dieThe device comprises a block, a man-machine interaction module, a central processing module and a storage module.
Preferably, the measuring machine comprises an outer cylinder, an inner cylinder and an extension cylinder.
Preferably, a first fixing plate is hooped on the circumference of the outer cylinder close to the opening end, a tensioning mechanism is arranged on the closed end of the outer cylinder, the tensioning mechanism comprises a tensioning motor and a rotating shaft, and the rotating shaft is connected with the tensioning motor and driven by the tensioning motor; one end of the tensioning motor is connected with the closed end of the outer barrel, a second fixing plate is arranged at the other end of the tensioning motor, a round hole is formed in the center of the second fixing plate, the rotating shaft penetrates through the second fixing plate and is connected with the tensioning motor, threads are formed in the rotating shaft, a sliding block is connected to the rotating shaft in a sliding mode through the threads, and a stop plate is arranged at the tail end of the rotating shaft; be provided with first bull stick, second bull stick and third bull stick on first fixed plate, second fixed plate and the sliding block respectively, first bull stick end is provided with the runner, first bull stick with rotate through the connecting rod between the second bull stick and be connected, the second connecting rod with the terminal mutual rotation of third connecting rod is connected, and sets up the runner on the tie point of second connecting rod and third connecting rod.
Preferably, the first fixing plate, the second fixing plate and the sliding block are respectively provided with four first rotating notches, four second rotating notches and four third rotating notches, and the first rotating rod, the second rotating rod and the third rotating rod are respectively fixed in the first rotating notches, the second rotating notches and the third rotating notches through rotating shafts.
Preferably, a second ultrasonic ranging sensor and a third ultrasonic ranging sensor are respectively arranged at the upper end and the lower end of the tensioning motor.
Preferably, the outer barrel is provided with a wire fixing groove, and the wire fixing groove is provided with a wire fixing buckle.
The invention has the beneficial effects that:
(1) the measuring machine is pulled by the tractor to advance, so that the measuring equipment can carry a battery with larger capacity and a driving part, and the measuring equipment has stronger power and longer measuring distance;
(2) the traction part of the tractor can be adjusted up and down, so that the traction direction of the tractor is relatively stable, and uneven tension in the traction process is avoided;
(3) the measuring machine is arranged into the outer cylinder and the inner cylinder, the outer cylinder and the inner cylinder are buckled through the button, and meanwhile, the convenient disassembly and the waterproof performance of the measuring machine are guaranteed;
(4) only the electronic elements necessary for measurement are arranged on the measuring machine, so that the weight of the measuring machine is reduced as much as possible, and the accuracy of measurement is ensured;
(5) four springs are arranged between the traction machine and the measuring machine, so that the posture of the measuring machine can be adjusted in time after the pipeline passes through a corner or a rugged pipeline;
(6) the measuring machine adjusts the opening angle of the rotating wheel through a plurality of rotating rods, and the hard support can avoid deformation of the measuring machine caused by soft supports (such as springs) when the soft supports travel in the pipeline.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic illustration of a tractor;
FIG. 2 is a schematic structural diagram of an outer cylinder of the measuring machine;
FIG. 3 is a schematic view of the inner cylinder structure of the measuring machine;
FIG. 4 is an enlarged view of portion A of FIG. 3;
FIG. 5 is a schematic view of an elongated cylinder structure of the measuring machine;
FIG. 6 is a schematic view of the structure of the measuring machine;
fig. 7 is a schematic diagram of a second fixing plate structure.
Reference numerals: wherein, 1-a traction machine; 11-a chassis; 12-a traction portion; 13-a lifting device; 14-a cable; 15-a wheel; 16-a track; 17-micro laser radar; 18-a first ultrasonic ranging sensor; 19-a first head; 120-a second pan/tilt head; 121-a camera; 122-a flash lamp; 123-a first line interface;
21-outer cylinder; 22-inner cylinder; 23-an extension cylinder; 24-a snap hole; 25-a first seal ring groove; 26-snap grooves; 27-buckling; 28-a second seal groove; 29-ring seal; 210-a first annular step surface; 211-a spring; 212-upper limiting plate; 213-a lower limiting plate; 214-chuck; 215-a second annular step surface; 216-a first fixation plate; 217-tensioning motor; 218-a rotating shaft; 219-second fixation plate; 220-a circular hole; 221-a slider; 222-a stop plate; 223-a second rotational notch; 224-a shaft; 225-a first rotating bar; 226-a second turn bar; 227-a third rotating rod; 228-a wheel; 229-connecting rod.
Detailed Description
Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Example one
This embodiment mainly describes the basic configuration of an underground utility measuring apparatus.
An underground pipeline measuring device comprises a tractor 1 and a measuring machine.
As shown in fig. 1, the tractor 1 includes a chassis 11 and a traction part 12, and the traction part 12 is disposed on the chassis 11 through a lifting device 13; the lifting device 13 can realize the up-and-down position adjustment of the traction part 12 on the chassis 11; the chassis 11 and the traction part 12 are connected by a cable 14. The lifting device 13 is preferably a lifting rod.
Further, wheels 15 and a crawler 16 are arranged on the chassis 11, the wheels 15 are installed on two sides of the chassis 11, the wheels 15 are divided into a driving wheel and a driven wheel, and the crawler 16 is sleeved on the wheels. And a power module, a power module and a lifting unit are arranged in the chassis 11. The main purpose of arranging the power supply module in the chassis is to enlarge the capacity of the power supply module and to lower the center of gravity of the tractor so as to ensure the stability and flexibility of the tractor in advancing in the pipeline. The power module is preferably a direct current servo motor; the power module is a rechargeable power supply.
Furthermore, a miniature laser radar 17 and a first ultrasonic ranging sensor 18 are arranged at the top end of the traction part 12; the tail part of the traction part 12 is provided with four traction interfaces and four spring interfaces, and the four spring interfaces are 90 degrees along the circumference of the traction interfaceoEvenly distributed (circumferentially distributed at intervals of 90 degrees); the tractor 1 is connected with the measuring machine through a traction rope connected to the traction interface.
Further, a first cradle head 19 is arranged at the front end of the traction part 12, a second cradle head 120 is arranged in the middle of the first cradle head 19, and a camera 121 and a flash lamp 122 are arranged on the second cradle head 120.
Further, a first line interface 123 is arranged at the tail of the chassis 11, and the first line interface 123 is a waterproof interface.
Furthermore, a switch, a milemeter and a positioning module are arranged on the tractor 1, and an inertia measuring module, a man-machine interaction module, a central processing module and a storage module are arranged in the measuring machine.
Example two
The present embodiment is performed on the basis of the first embodiment, and mainly describes the composition and structure of the measuring machine of the present invention.
The measuring machine comprises an outer cylinder 21, an inner cylinder 22 and an extension cylinder 23.
Further, as shown in fig. 2, the outer cylinder 21 is a hollow cylinder with one end being a closed end and the other end being an open end, a fastening hole 24 is provided at a position on the outer cylinder 21 near the open end, a first seal ring groove 25 is further provided on the inner circumference of the outer cylinder, and the first seal ring groove 25 is located at a position on the inner side of the fastening hole 24 near the fastening hole 24.
Further, as shown in fig. 3, the inner cylinder 22 is a hollow cylinder with one end being a closed end and the other end being an open end, a fastening groove 26 is provided on the inner cylinder 22 at a position close to the closed end, an internal thread is provided on an upper portion of the fastening groove 26, a fastener 27 is provided in the fastening groove 26, and a position of the fastening groove 26 corresponds to a position of the fastening hole 24, so that the fastener 27 is exposed from the fastening hole 24; a second sealing groove 28 is further formed in the outer circumference of the inner cylinder, the second sealing groove 28 is located on the inner side of the buckle 27 and corresponds to the first sealing ring groove 25, and an annular sealing ring 29 is arranged in the second sealing groove 28; a waterproof silica gel layer is arranged on the outer side of the circumference of the closed end of the inner barrel 22, a traction interface and a spring interface are arranged on the closed end, and a circuit interface is also arranged and is a waterproof interface; a first annular step surface 210 is arranged at the opening end of the inner cylinder 22, and an external thread is arranged on the first annular step surface 210; a circuit board clamping groove is formed in the inner cylinder 22 to clamp the circuit board.
Further, as shown in fig. 4, the latch 27 includes a spring 211, a pressing buckle and an upper limiting plate 212; the outer diameter of the spring 211 is approximately equal to the inner diameter of the snap groove 26; the press buckle comprises a lower limiting plate 213 and a clamping head 214 arranged on the lower limiting plate 213, and the outer diameter of the lower limiting plate 213 is approximately equal to the inner diameter of the buckle groove 26; an external thread is arranged on the periphery of the upper limiting plate 212, the upper limiting plate 212 is combined with the buckle groove 26 through the internal thread and the external thread, a through hole is formed in the center of the upper limiting plate 212, the inner diameter of the through hole is smaller than that of the buckle groove 26, and the clamping head 214 is exposed through the through hole, so that the clamping head 214 can be exposed or hidden in the through hole through the compression spring 211; the top end of the upper limiting plate 212 is provided with a rotating star so as to facilitate the rotation of the upper limiting plate 212 into the buckling groove 26. The press button is made of metal materials.
Further, as shown in fig. 5, the extension cylinder 23 is a cylinder with two open ends, one end of the extension cylinder 23 is provided with a second annular step surface 215, an internal thread is provided on the second annular step surface 215, the first annular step surface 210 and the second annular step surface 215 are engaged with each other through the thread to connect the inner cylinder 22 and the extension cylinder 23, and the sum of the length of the inner cylinder 22 and the length of the extension cylinder 23 is smaller than the length of the outer cylinder 21.
Further, the inertia measurement module, the man-machine interaction module, the central processing module and the storage module are arranged on a circuit board arranged in the inner cylinder 22.
In use, first, the extension tube 23 is connected to the open end of the inner tube 22; secondly, the closed end of the inner cylinder 22 is inserted into the open end of the outer cylinder 21, until the chuck 214 is exposed through the fastening hole 24, at this time, the annular sealing ring 29 is also fastened into the first sealing ring groove 25, and the waterproof silica gel layer at the closed end of the inner cylinder 22 also seals the gap between the open end of the outer cylinder 21 and the closed end of the inner cylinder 22.
EXAMPLE III
This embodiment is based on the first or second embodiment, and mainly describes the tension structure of the present invention.
As shown in fig. 6, a first fixing plate 216 is hooped on the circumference of the outer cylinder 21 near the open end, and a tensioning mechanism is arranged on the closed end of the outer cylinder 21, the tensioning mechanism comprises a tensioning motor 217 and a rotating shaft 218, and the rotating shaft 218 is connected with the tensioning motor 217 and driven by the tensioning motor 217; one end of the tensioning motor 217 is connected with the closed end of the outer cylinder 21, the other end of the tensioning motor 217 is provided with a second fixing plate 219, a round hole 220 is formed in the center of the second fixing plate 219, the rotating shaft 218 penetrates through the second fixing plate 219 to be connected with the tensioning motor 217, threads are formed in the rotating shaft 218, a sliding block 221 is connected to the rotating shaft 218 in a sliding mode through the threads, and a stop plate 222 is arranged at the tail end of the rotating shaft 218; the first fixing plate 216, the second fixing plate 219 and the sliding block 221 are respectively provided with four first rotation notches, second rotation notches 223 and third rotation notches, and the first rotation notches, the second rotation notches and the third rotation notches are respectively fixed with a first rotation rod 225, a second rotation rod 226 and a third rotation rod 227 through a rotation shaft 224. The end of the first rotating rod 225 is provided with a rotating wheel 228, the first rotating rod 225 is rotatably connected with the second rotating rod 226 through a connecting rod 229, the end of the second connecting rod 226 is rotatably connected with the end of the third connecting rod 227, and the connecting point of the second connecting rod 226 and the third connecting rod 227 is provided with the rotating wheel 228.
In the using process, the rotating shaft is driven to rotate by the tensioning motor; further, the rotation of the rotating shaft drives the sliding block to move left and right on the rotating shaft; the sliding block moves to drive the third rotating rod to move; the third rotating rod moves to drive the second rotating rod and the rotating wheel to move; the second rotating rod moves to drive the first rotating rod to synchronously move through the connecting rod, and then all the rotating wheels synchronously move.
Furthermore, a wire fixing groove is formed in the outer barrel, a wire fixing buckle is arranged on the wire fixing groove, a power supply line and a control line of the tensioning motor are fixed in the wire fixing groove through the wire fixing buckle, and the power supply line and the control line are smoothed to an opening section of the outer barrel along the wire fixing groove and are respectively connected with a line interface at the tail part of the tractor chassis and a line interface at the closed end of the inner barrel.
Alternatively, three rotating rods can be provided.
Example four
This embodiment is performed on the basis of the third embodiment, and mainly describes the turning wheel adjusting structure of the present invention.
The measuring machine in the third embodiment drives the rotating rod to rotate through the rotation of the rotating shaft, so that the rotating rod can be tightly pushed against the pipeline wall, but the pushing is a hard pushing which lacks buffering, the structure has the technical problem of difficult turning when facing the turning, and the following solution is provided for overcoming the technical problem.
A second ultrasonic ranging sensor and a third ultrasonic ranging sensor are respectively arranged at the upper end and the lower end of the tensioning motor 217, and power supply lines and signal lines of the second ultrasonic ranging sensor and the third ultrasonic ranging sensor are all stroked to the opening section of the outer barrel through being fixed in the wire fixing groove and are connected with a line interface at the tail part of the tractor chassis and a line interface at the closed end of the inner barrel.
When the measuring machine runs to the position where the pipeline becomes short or becomes low, the distance between the outer barrel and the pipeline wall is measured through the second ultrasonic distance measuring sensor and the third ultrasonic distance measuring sensor, and then the rotating motor is controlled to rotate to control the opening angle of the rotating wheel in the measuring machine, so that the measuring machine can conveniently pass through.
EXAMPLE five
Based on the foregoing embodiments, an underground pipeline measuring method is embodied as,
checking the electric quantity of a power module in a tractor 1 and the state of an electronic element in the measuring machine;
step two, connecting the extension cylinder 23 to the inner cylinder 22 through threads, and inserting the opening end of the inner cylinder 22 into the opening end of the outer cylinder 21 until the annular sealing ring 29 is clamped into the first sealing ring groove 25;
step three, connecting the line interface at the closed end of the inner cylinder 22 with the line interface of the tractor 1 through a cable; connecting a power supply line and a control line of the tensioning motor 217 with a line interface of the tractor 1 and a line interface at the closed end of the inner cylinder 22 respectively; respectively connecting power supply lines and signal lines of the second ultrasonic ranging sensor and the third ultrasonic ranging sensor with a line interface of the tractor 1 and a line interface at the closed end of the inner barrel 22;
fourthly, connecting the traction machine 1 and a traction interface at the closed end of the inner cylinder 22 together through a traction rope; the traction machine 1 and the spring interface at the closed end of the inner cylinder 22 are connected together through a spring;
step five, putting the tractor 1 and the measuring machine into a pipeline, turning on a switch, and rotating the tensioning motor 217 to open the first rotating rod 225 and the second rotating rod 226 until the distances measured by the second ultrasonic distance measuring sensor and the third ultrasonic distance measuring sensor are equal, and stopping the tensioning motor 217;
step six, the central processing module judges the position of the central line axis of the pipeline according to the distance measurement of the second ultrasonic distance measuring sensor and the third ultrasonic distance measuring sensor and the diameter of the tensioning motor 217; the central processing module further adjusts the position of the traction part 12 to the position of the central line axis of the pipeline through the measurement data of the first ultrasonic ranging sensor 18 on the top of the pipeline, so that the position of the traction part 12 and the position of the measuring machine are horizontal;
step seven, the tractor 1 pulls the measuring machine to start measuring, in the measuring process, the micro laser radar 17 judges whether an obstacle exists in the front or not, if the obstacle exists, the tractor 1 carries out obstacle avoidance turning, the tensioning motor 217 of the measuring machine adjusts the opening angle of the first rotating rod 225 and the second rotating rod 226 to be small so as to ensure that the tractor 1 and the measuring machine pass through an obstacle road section, and after the tractor 1 and the measuring machine pass through the obstacle road section, a spring between the tractor 1 and the measuring machine ensures that the position between the measuring machine 1 and the tractor is restored to be aligned;
and step eight, when the terminal is reached, finding the tractor 1 and the measuring machine according to the positioning of the positioning module, deriving the data collected in the measuring machine, and finishing the measurement.
The description and applications of the invention herein are illustrative and are not intended to limit the scope of the invention to the embodiments described above. Variations and modifications of the embodiments disclosed herein are possible, and alternative and equivalent various components of the embodiments will be apparent to those skilled in the art. It will be clear to those skilled in the art that the present invention may be embodied in other forms, structures, arrangements, proportions, and with other components, materials, and parts, without departing from the spirit or essential characteristics thereof. Other variations and modifications of the embodiments disclosed herein may be made without departing from the scope and spirit of the invention.

Claims (5)

1. The underground pipeline measuring equipment comprises a tractor (1) and a measuring machine, and is characterized in that the tractor (1) comprises a chassis (11) and a traction part (12), and the traction part (12) is arranged on the chassis (11) through a lifting device (13); the chassis (11) is connected with the traction part (12) through a cable (14); a power module, a power module and a lifting unit are arranged in the chassis (11); the top end of the traction part (12) is provided with a micro laser radar (17) and a first ultrasonic ranging sensor (18); the tail of the traction part (12) is provided with four traction interfaces and four spring interfaces, and the four spring interfaces are 90 degrees along the circumference of the traction interfaceoUniformly distributing; a first tripod head (19) is arranged at the front end of the traction part (12), a second tripod head (120) is arranged in the middle of the first tripod head (19), and a camera (121) and a flash lamp (122) are arranged on the second tripod head (120); a switch, a mileometer and a positioning module are arranged on the tractor (1),an inertia measurement module, a man-machine interaction module, a central processing module and a storage module are arranged in the measuring machine;
the measuring machine comprises an outer cylinder (21), an inner cylinder (22) and an extension cylinder (23);
the outer cylinder (21) is a hollow cylinder with a closed end at one end and an open end at the other end, a buckling hole (24) is formed in the position, close to the open end, of the outer cylinder (21), a first sealing ring groove (25) is further formed in the circumference of the inner side of the outer cylinder, and the first sealing ring groove (25) is located in the position, close to the buckling hole (24), of the inner side of the buckling hole (24);
the inner cylinder (22) is a hollow cylinder with a closed end at one end and an open end at the other end, a buckle groove (26) is arranged on the inner cylinder (22) at a position close to the closed end, internal threads are arranged at the upper part of the buckle groove (26), a buckle (27) is arranged in the buckle groove (26), and the position of the buckle groove (26) corresponds to the position of the buckle hole (24), so that the buckle (27) is exposed from the buckle hole (24); a second sealing groove (28) is further formed in the circumference of the outer side of the inner cylinder, the second sealing groove (28) is located on the inner side of the buckle (27) and corresponds to the first sealing ring groove (25), and an annular sealing ring (29) is arranged in the second sealing groove (28); a waterproof silica gel layer is arranged on the outer side of the circumference of the closed end of the inner barrel (22), a traction interface and a spring interface are arranged on the closed end, and a circuit interface is also arranged and is a waterproof interface; a first annular step surface (210) is arranged at the opening end of the inner cylinder (22), and an external thread is arranged on the first annular step surface (210); a circuit board clamping groove is formed in the inner cylinder (22) to clamp the circuit board;
the buckle (27) comprises a spring (211), a pressing buckle and an upper limiting plate (212); the outer diameter of the spring (211) is equal to the inner diameter of the buckling groove (26); the press buckle comprises a lower limiting plate (213) and a clamping head (214) arranged on the lower limiting plate (213), and the outer diameter of the lower limiting plate (213) is equal to the inner diameter of the buckling groove (26); the outer periphery of the upper limiting plate (212) is provided with an external thread, the upper limiting plate (212) is combined with the buckling groove (26) through the internal thread and the external thread, a through hole is formed in the center of the upper limiting plate (212), the inner diameter of the through hole is smaller than that of the buckling groove (26), and the clamping head (214) is exposed through the through hole, so that the clamping head (214) can be exposed or hidden in the through hole through the compression spring (211); the top end of the upper limiting plate (212) is provided with a rotating star so that the upper limiting plate (212) can be conveniently rotated into the buckling groove (26); the press buckle is made of metal materials;
the extension cylinder (23) is a cylinder with two open ends, a second annular step surface (215) is arranged at one end of the extension cylinder (23), an internal thread is arranged on the second annular step surface (215), the first annular step surface (210) and the second annular step surface (215) are mutually meshed together through the threads to be connected with the inner cylinder (22) and the extension cylinder (23), and the sum of the length of the inner cylinder (22) and the length of the extension cylinder (23) is smaller than that of the outer cylinder (21).
2. The underground pipeline measuring device according to claim 1, wherein the outer cylinder (21) is hooped with a first fixing plate (216) on the circumference adjacent to the open end, the closed end of the outer cylinder (21) is provided with a tensioning mechanism, the tensioning mechanism comprises a tensioning motor (217) and a rotating shaft (218), and the rotating shaft (218) is connected with the tensioning motor (217) and driven by the tensioning motor (217); one end of the tensioning motor (217) is connected with the closed end of the outer cylinder (21), a second fixing plate (219) is arranged at the other end of the tensioning motor, a round hole (220) is formed in the center of the second fixing plate (219), the rotating shaft (218) penetrates through the second fixing plate (219) to be connected with the tensioning motor (217), threads are arranged on the rotating shaft (218), a sliding block (221) is connected to the rotating shaft (218) in a sliding mode through the threads, and a stop plate (222) is arranged at the tail end of the rotating shaft (218); be provided with first bull stick (225), second bull stick (226) and third bull stick (227) on first fixed plate (216), second fixed plate (219) and sliding block (221) respectively, first bull stick (225) end is provided with runner (228), first bull stick (225) with rotate through connecting rod (229) between second bull stick (226) and be connected, second bull stick (226) with the terminal mutual rotation of third bull stick (227) is connected, and sets up runner (228) on the tie point of second bull stick (226) and third bull stick (227).
3. The underground pipeline measuring device according to claim 2, wherein the first fixing plate (216), the second fixing plate (219) and the sliding block (221) are respectively provided with four first rotating notches, second rotating notches (223) and third rotating notches, and the first rotating rod (225), the second rotating rod (226) and the third rotating rod (227) are respectively fixed in the first rotating notches, the second rotating notches (223) and the third rotating notches through rotating shafts (224).
4. The underground utility measuring equipment of claim 2, wherein a second ultrasonic ranging sensor and a third ultrasonic ranging sensor are respectively provided at upper and lower ends of the tension motor (217).
5. The underground pipeline measuring equipment according to claim 2, wherein a wire fixing groove is formed in the outer cylinder, and a wire fixing buckle is arranged on the wire fixing groove.
CN201711456459.2A 2017-12-28 2017-12-28 Underground pipeline measuring equipment and using method thereof Active CN108180347B (en)

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CN111983562B (en) * 2020-08-04 2024-03-22 苏州市测绘院有限责任公司 Underground nonmetallic pipeline detection positioning method

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