CN112902027B - Automatic gas leakage detection marking device for gas pipeline - Google Patents
Automatic gas leakage detection marking device for gas pipeline Download PDFInfo
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- CN112902027B CN112902027B CN202110374451.1A CN202110374451A CN112902027B CN 112902027 B CN112902027 B CN 112902027B CN 202110374451 A CN202110374451 A CN 202110374451A CN 112902027 B CN112902027 B CN 112902027B
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- detection
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- pipeline
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- gas
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/02—Preventing, monitoring, or locating loss
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- General Engineering & Computer Science (AREA)
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Abstract
The invention relates to the technical field of pipeline detection, and discloses an automatic gas leakage detection marking device for a gas pipeline, which comprises a gas pipeline, wherein a pipe cavity is arranged in the gas pipeline, two driving frames which are bilaterally symmetrical are arranged in the pipe cavity, a detection box is arranged between the two driving frames, after the device is put into the pipeline, the device automatically performs gas leakage detection on the inner wall of the pipeline, the annular detection sucking disc is used for carrying out gas suction on the inner wall of the pipeline, the reset condition of a gas suction annular plate in the sucking disc is detected to judge whether the gas leakage phenomenon occurs in the pipeline, the gas suction annular plate in the sucking disc is detected to move, the inner wall of the pipeline in a range is marked, the gas leakage part of the pipeline is convenient to judge, the working efficiency of gas leakage detection of the gas pipeline is greatly improved, and the problem of secondary damage caused when the pipeline is detected after the gas pipeline is excavated is avoided.
Description
Technical Field
The invention relates to the technical field of pipeline detection, in particular to an automatic gas leakage detection marking device for a gas pipeline.
Background
The gas transmission pipeline is buried underground generally, leakage of the gas transmission pipeline is easy to cause under the conditions of road construction and the like, however, when the leakage of the gas transmission pipeline occurs, the pipeline is required to be dug out and then leakage detection work is carried out on the pipeline, so that a great amount of time and labor force are consumed, the pipeline is easy to be damaged secondarily in the pipeline digging process, and the invention is improved aiming at the defects.
Disclosure of Invention
The invention aims to provide an automatic gas leakage detection marking device for a gas pipeline, which is used for overcoming the defects in the prior art.
The invention is realized by the following technical scheme.
The invention relates to an automatic gas leakage detection marking device for a gas pipeline, which comprises a gas pipeline, wherein a pipe cavity is arranged in the gas pipeline, two driving frames which are bilaterally symmetrical are arranged in the pipe cavity, a detection box is arranged between the two driving frames, two marking electric telescopic rods are bilaterally symmetrical and fixedly arranged on the detection box, and a marking pen is fixedly arranged at the upper end of each marking electric telescopic rod;
the annular array is equipped with four detection chambers in the detection case, it is equipped with the detection slide to slide from top to bottom in the detection chamber, it is fixed to detect the slide upper end and be equipped with the connecting rod, it is fixed to be equipped with four detection electric telescopic handle to detect annular array on the detection case, it is fixed to detect electric telescopic handle upper end and be equipped with the detection sucking disc, be equipped with upward open-ended sucking disc groove in the detection sucking disc, slide from top to bottom in the sucking disc groove be equipped with fixedly set up in the annular plate of connecting rod upper end.
Further technical scheme, annular plate lower extreme with be connected between sucking disc tank bottom wall and be equipped with reset spring, the intercommunication is equipped with the air vent that runs through from top to bottom on the sucking disc tank diapire, it is fixed to be equipped with two stoppers to detect bilateral symmetry on the sucking disc inner wall, it is fixed to be equipped with the sealing ring on the sucking disc to detect, the stopper is used for the restriction annular plate range of movement.
According to a further technical scheme, a left ventilation groove and a right ventilation groove are formed in the right wall of the sucker groove, a hinged plate is hinged to the top wall of the ventilation groove, a fixing plate is fixedly arranged on the right end face of the sealing ring, and a connecting spring is connected between the lower end of the fixing plate and the hinged plate.
Further technical scheme, the intercommunication is equipped with the detection spout on the detection chamber right wall, the slip is equipped with the detection slider about in the detection spout, the fixed pressure sensor that is equipped with on the detection spout right wall, pressure sensor left end with detect and be equipped with the detection spring between the slider right-hand member connection.
Further technical scheme is equipped with the control chamber in the detection box, fixed detection motor that is equipped with on the control chamber left wall, detection motor left end rotation is equipped with the detection pivot, detection pivot left end is fixed to be equipped with face gear, array rotation is equipped with four linkage pivots on the control chamber upper and lower front and back wall, the last friction connection of linkage pivot be equipped with mesh in face gear's transmission bevel gear, array is fixed to be equipped with four rotatory spring barrel on the control chamber upper and lower front and back wall, rotatory spring barrel inner wall with the connection between the linkage pivot is equipped with holds the power spring, fixed being equipped with the dead lever on the rotatory spring barrel, annular array is fixed to be equipped with four restriction poles on the detection box left wall.
Further technical scheme, both ends symmetry is equipped with two drive frames about the detection case, drive frame left end ring array is equipped with four centre gripping spouts, it is equipped with the centre gripping slider to slide in the centre gripping spout, the centre gripping slider lower extreme with be connected between the centre gripping spout diapire and be equipped with the centre gripping spring, the fixed centre gripping wheel carrier that is equipped with in centre gripping slider left end, install driving motor in the centre gripping wheel carrier, the last rotation of driving motor is equipped with the drive pivot, the fixed drive wheel that is equipped with in the drive pivot, the right side drive frame with swivelling joint is equipped with the connection pivot between the detection case, fixed control motor that is equipped with in the left drive frame, the control motor right-hand member is rotatory to be equipped with the control pivot, the control pivot right-hand member fixed set up in the detection case left end.
According to a further technical scheme, four fixed pulleys are arranged in the detection box in an annular array mode, an annular plate pull rope is connected to the lower end of the detection sliding plate, and the annular plate pull rope bypasses the fixed pulleys and is wound on the rotary spring barrel.
The invention has the beneficial effects that: after putting this device into the pipeline, the device is automatic carries out gas leakage detection work to pipeline inner wall, work of bleeding to pipeline inner wall through annular detection sucking disc, judge whether the pipeline is inside to take place the gas leakage phenomenon through detecting the reset condition of sucking annular plate in the sucking disc, through detecting sucking disc in the annular plate of bleeding and take place to remove, mark the pipeline inner wall in the scope, be convenient for judge pipeline gas leakage position, be convenient for later stage staff excavate repair work to the gas transmission pipeline, gas transmission pipeline gas leakage detection's work efficiency has been improved greatly, the problem of secondary damage that causes when pipeline detects again after having avoided the pipeline to dig out.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained from these drawings without inventive effort for a person skilled in the art.
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged schematic view of the structure of A-A in FIG. 1;
FIG. 3 is an enlarged schematic view of the structure of B in FIG. 1;
FIG. 4 is an enlarged schematic view of the structure of C in FIG. 1;
FIG. 5 is an enlarged schematic view of the structure of D in FIG. 3;
fig. 6 is an enlarged schematic view of the structure of E-E in fig. 4.
Detailed Description
The invention will now be described in detail with reference to fig. 1-6, wherein for convenience of description, the orientations described below are now defined as follows: the vertical, horizontal, front-rear directions described below are identical to the vertical, horizontal, front-rear directions of the projection relationship of fig. 1 itself.
The automatic gas leakage detection marking device for the gas pipeline comprises a gas pipe 35, wherein a pipe cavity 36 is arranged in the gas pipe 35, two driving frames 10 which are bilaterally symmetrical are arranged in the pipe cavity 36, a detection box 21 is arranged between the two driving frames 10, two marking electric telescopic rods 22 are bilaterally symmetrical and fixedly arranged on the detection box 21, and a marking pen 23 is fixedly arranged at the upper end of each marking electric telescopic rod 22;
the annular array in detection case 21 is equipped with four detection chambers 24, it is equipped with detection slide 25 to slide from top to bottom in the detection chamber 24, detection slide 25 upper end is fixed and is equipped with connecting rod 26, the annular array is fixed on detection case 21 and is equipped with four detection electric telescopic handle 28, detection electric telescopic handle 28 upper end is fixed and is equipped with the detection sucking disc 29, be equipped with upward open-ended sucking disc groove 30 in the detection sucking disc 29, slide from top to bottom in the sucking disc groove 30 be equipped with fixedly set up in annular plate 27 of connecting rod 26 upper end.
Preferably, a reset spring 34 is connected between the lower end of the annular plate 27 and the bottom wall of the suction cup groove 30, a vent hole 31 penetrating up and down is communicated with the bottom wall of the suction cup groove 30, two limiting blocks 32 are symmetrically and fixedly arranged on the inner wall of the detection suction cup 29, a sealing ring 33 is fixedly arranged on the detection suction cup 29, and the limiting blocks 32 are used for limiting the moving range of the annular plate 27.
Preferably, a ventilation groove 52 penetrating left and right is arranged on the right wall of the sucker groove 30, a hinged plate 53 is hinged on the top wall of the ventilation groove 52, a fixing plate 54 is fixedly arranged on the right end face of the sealing ring 33, and a connecting spring 55 is connected between the lower end of the fixing plate 54 and the hinged plate 53.
Preferably, a detection sliding groove 37 is communicated with the right wall of the detection cavity 24, a detection sliding block 38 is arranged in the detection sliding groove 37 in a left-right sliding manner, a pressure sensor 40 is fixedly arranged on the right wall of the detection sliding groove 37, and a detection spring 39 is connected between the left end of the pressure sensor 40 and the right end of the detection sliding block 38.
Preferably, a control cavity 43 is arranged in the detection box 21, a detection motor 44 is fixedly arranged on the left wall of the control cavity 43, a detection rotating shaft 45 is rotatably arranged at the left end of the detection motor 44, face gears 46 are fixedly arranged at the left end of the detection rotating shaft 45, four linkage rotating shafts 48 are rotatably arranged on the upper, lower, front and rear walls of the control cavity 43 in an array mode, transmission bevel gears 49 meshed with the face gears 46 are frictionally connected on the linkage rotating shafts 48, four rotary spring barrels 47 are fixedly arranged on the upper, lower, front and rear walls of the control cavity 43 in an array mode, a power storage spring 56 is connected between the inner wall of each rotary spring barrel 47 and the linkage rotating shaft 48, fixing rods 51 are fixedly arranged on the rotary spring barrels 47, and four limiting rods 50 are fixedly arranged on the left wall of the detection box 21 in an annular array mode.
Preferably, two driving frames 10 are symmetrically arranged at the left end and the right end of the detection box 21, four clamping sliding grooves 11 are arranged in a ring-shaped array at the left end of the driving frames 10, a clamping sliding block 12 is slidably arranged in the clamping sliding grooves 11, a clamping spring 13 is connected between the lower end of the clamping sliding block 12 and the bottom wall of the clamping sliding groove 11, a clamping wheel frame 14 is fixedly arranged at the left end of the clamping sliding block 12, a driving motor 15 is arranged in the clamping wheel frame 14, a driving rotating shaft 16 is rotatably arranged on the driving motor 15, a driving wheel 17 is fixedly arranged on the driving rotating shaft 16, a connecting rotating shaft 20 is rotatably connected between the driving frame 10 on the right side and the detection box 21, a control motor 18 is fixedly arranged in the driving frame 10 on the left side, a control rotating shaft 19 is rotatably arranged at the right end of the control motor 18, and the right end of the control rotating shaft 19 is fixedly arranged at the left end of the detection box 21.
Preferably, four fixed pulleys 42 are installed in the annular array in the detection box 21, an annular plate pull rope 41 is connected to the lower end of the detection slide plate 25, and the annular plate pull rope 41 is wound around the fixed pulleys 42 and is arranged on the rotating barrel 47.
The specific use method of the invention is as follows: after the equipment is placed in the clamping chute 11, the clamping sliding block 12 is extruded through the clamping spring 13 so as to drive the driving wheel 17 to clamp the inner wall of the clamping chute 11, a supporting effect is achieved on the equipment, the annular plate pull rope 41 is in a loose state in an initial state, the annular plate 27 is pushed upwards to the highest limit position by the reset spring 34, the annular plate 27 is limited to move upwards through the limit block 32, the detection electric telescopic rod 28 is stretched, the detection sucker 29 is driven to move towards the inner wall of the clamping chute 11, the annular plate 27 is sealed towards the opening direction of the sucker groove 30 through the sealing ring 33, the detection motor 44 is started, the detection rotating shaft 45 rotates so as to drive the face gear 46 to rotate, the transmission bevel gear 49 rotates through the rotation of the rotating face gear 46, the power accumulating spring 56 is driven to rotate through the linkage rotating shaft 48, the rotating spring barrel 47 has a rotating trend, and the annular plate pull rope 41 exerts downward pulling force on the detection sliding plate 25 but cannot drive the detection sliding plate 25 to move downwards due to the upper side sealing of the annular plate 27;
when the upper side part of the annular plate 27 is in a gas leakage condition, gas outside the driving frame 10 enters the upper side part of the annular plate 27 in the suction disc groove 30 through a crack, the upper and lower parts of the annular plate 27 are driven to balance the gas pressure, the annular plate pull rope 41 pulls the detection slide plate 25 to drive the detection slide plate 25 to move downwards, the detection slide plate 25 extrudes the detection slide block 38 to move rightwards, the pressure sensor 40 detects pressure change, when the pressure sensor 40 detects that the pressure becomes larger, the detection motor 44 is reversely started, the detection rotating shaft 45 reversely rotates to drive the rotating barrel 47 to reversely rotate and reset, the annular plate pull rope 41 is restored to a relaxed state, the detection electric telescopic rod 28 is shortened, the marking electric telescopic rod 22 stretches to enable the marking pen 23 to contact the inner wall of the clamping chute 11, the control motor 18 is started to drive the detection box 21 to rotate for one circle, the two marking pens 23 are controlled to draw a range on the inner wall of the clamping chute 11, the later detection instrument is convenient to judge the position, and the driving frame 10 is directly dug out at the gas leakage position to repair;
if the detecting sucker 29 detects that no air leakage occurs on the inner wall of the clamping chute 11, the control motor 18 is started to drive the control rotating shaft 19 to rotate forty-five degrees, the rest part is detected, and after the detection is completed twice, the driving motor 15 is started to drive the driving wheel 17 to rotate so as to drive the detecting box 21 to move, so that the air leakage detection work on the inner wall of the driving frame 10 at the next position is completed.
The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the present invention and implement it without limiting the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.
Claims (1)
1. The utility model provides an automatic gas leakage detection marking device of gas-supply pipeline, includes the gas-supply pipe, be equipped with the lumen in the gas-supply pipe, be equipped with two drive frames of bilateral symmetry in the lumen, be equipped with the detection case between two drive frames, its characterized in that: two marking electric telescopic rods are symmetrically and fixedly arranged on the detection box in a left-right mode, and marking pens are fixedly arranged at the upper ends of the marking electric telescopic rods; the annular array in the detection box is provided with four detection cavities, the detection cavities are provided with detection sliding plates in a vertical sliding manner, the upper ends of the detection sliding plates are fixedly provided with connecting rods, the annular array on the detection box is fixedly provided with four detection electric telescopic rods, the upper ends of the detection electric telescopic rods are fixedly provided with detection suckers, the detection suckers are provided with sucker grooves with upward openings, and the sucker grooves are provided with annular plates fixedly arranged at the upper ends of the connecting rods in a vertical sliding manner; a reset spring is connected between the lower end of the annular plate and the bottom wall of the sucker groove, a vent hole penetrating up and down is communicated with the bottom wall of the sucker groove, two limiting blocks are symmetrically and fixedly arranged on the inner wall of the detection sucker in a left-right symmetry manner, and a sealing ring is fixedly arranged on the detection sucker; the right wall of the sucker groove is provided with a ventilation groove penetrating left and right, the top wall of the ventilation groove is hinged with a hinged plate, the right end face of the sealing ring is fixedly provided with a fixed plate, and a connecting spring is connected between the lower end of the fixed plate and the hinged plate; the right wall of the detection cavity is communicated with a detection chute, a detection slide block is arranged in the detection chute in a left-right sliding manner, a pressure sensor is fixedly arranged on the right wall of the detection chute, and a detection spring is connected between the left end of the pressure sensor and the right end of the detection slide block; the detection box is internally provided with a control cavity, the left wall of the control cavity is fixedly provided with a detection motor, the left end of the detection motor is rotationally provided with a detection rotating shaft, the left end of the detection rotating shaft is fixedly provided with a face gear, four linkage rotating shafts are rotationally arranged on the upper front wall and the lower rear wall of the control cavity in an array manner, the linkage rotating shafts are in friction connection with a transmission bevel gear meshed with the face gear, four rotary spring barrels are fixedly arranged on the upper front wall and the lower rear wall of the control cavity in an array manner, a power storage spring is connected between the inner wall of the rotary spring barrel and the linkage rotating shaft, a fixed rod is fixedly arranged on the rotary spring barrel, and four limiting rods are fixedly arranged on the annular array on the left wall of the detection box; the detection box comprises a detection box body, and is characterized in that two driving frames are symmetrically arranged at the left end and the right end of the detection box body, four clamping sliding grooves are formed in a ring-shaped array at the left end of the driving frames, clamping sliding blocks are slidably arranged in the clamping sliding grooves, clamping springs are connected between the lower ends of the clamping sliding blocks and the bottom walls of the clamping sliding grooves, clamping wheel frames are fixedly arranged at the left ends of the clamping sliding blocks, driving motors are arranged in the clamping wheel frames, driving shafts are rotatably arranged on the driving motors, driving wheels are fixedly arranged on the driving shafts, a connecting rotating shaft is rotatably connected between the driving frames on the right side and the detection box body, a control motor is fixedly arranged in the driving frames on the left side, a control rotating shaft is rotatably arranged at the right end of the control motor, and the right end of the control rotating shaft is fixedly arranged at the left end of the detection box body; the annular array installation is equipped with four fixed pulleys in the detection box, the connection of detection slide lower extreme is equipped with annular plate stay cord, annular plate stay cord bypass the fixed pulley winding set up in on the rotatory barrel.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110374451.1A CN112902027B (en) | 2021-04-07 | 2021-04-07 | Automatic gas leakage detection marking device for gas pipeline |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110374451.1A CN112902027B (en) | 2021-04-07 | 2021-04-07 | Automatic gas leakage detection marking device for gas pipeline |
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| CN112902027A CN112902027A (en) | 2021-06-04 |
| CN112902027B true CN112902027B (en) | 2023-06-27 |
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| CN202110374451.1A Active CN112902027B (en) | 2021-04-07 | 2021-04-07 | Automatic gas leakage detection marking device for gas pipeline |
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