CN213930186U - Automatic pipeline measuring device - Google Patents
Automatic pipeline measuring device Download PDFInfo
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- CN213930186U CN213930186U CN202022989469.6U CN202022989469U CN213930186U CN 213930186 U CN213930186 U CN 213930186U CN 202022989469 U CN202022989469 U CN 202022989469U CN 213930186 U CN213930186 U CN 213930186U
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Abstract
The utility model relates to an automatic measuring device of pipeline, it includes detects the head, still include the control box, a plurality of landing legs of articulated connection in the control box bottom, the bottom of control box is equipped with the guide pin bushing, the interior slip of guide pin bushing is equipped with the guide pillar, the bottom of guide pillar stretches out the bottom of guide pin bushing and links to each other with detecting the head, the bottom of guide pillar is equipped with the installation component that is used for fixed detection head, be equipped with first cavity in the control box, the top of guide pillar stretches into in the first cavity, be equipped with the altitude mixture control subassembly that is used for driving the guide pillar and goes up and down in the first cavity. This application has the effect that the convenience detects the position of the different degree of depth in the pipeline, has improved detection efficiency.
Description
Technical Field
The application relates to the field of pipeline measurement, in particular to an automatic pipeline measuring device.
Background
The underground drainage pipelines which are criss-cross in cities are extremely important municipal facilities, and once the drainage facilities have the problems of aging, blockage, breakage, leakage and the like, the environment is polluted and the safety of residents is threatened, so that the daily detection, the timely problem finding and the timely maintenance of the urban underground drainage pipelines are very important.
Chinese patent No. CN210771465U discloses a city drainage pipeline detection device, which comprises a handle, a threaded rod, an extension rod, a rotating shaft, a hoop clamping ring, a fixed disk and a support rod, wherein the bottom of the handle is fixed with the threaded rod, the side edge of the extension rod is provided with a groove matched with the threaded rod, the upper end of the inner wall of the groove of the extension rod is fixed with the rotating shaft, the bottom of the threaded rod is provided with a through hole matched with the rotating shaft, and the lower end of the threaded rod is rotatably connected with the rotating shaft; fix the measuring head in the clamp ring, expand extension rod and threaded rod, increase the length of extension rod, then move the measuring head in the drainage well, detect the pipeline through the measuring head.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: when needs examine the different degree of depth in the pipeline, examine at every turn, need the manual work take out the extension rod outside the drainage well to adjust the extension rod as required to suitable length after, put into the pipeline with the extension rod again and detect, owing to examine at every turn, all need the length of manual adjustment extension rod, whole operation process is consuming time hard, and detection efficiency is low.
SUMMERY OF THE UTILITY MODEL
When examining the different degree of depth in the pipeline in order to improve, the length of manual adjustment extension pole is hard problem consuming time, and this application provides a pipeline automatic measuring device.
The application provides a pipeline automatic measuring device adopts following technical scheme:
the utility model provides a pipeline automatic measuring device, includes the detection head, still includes control box, articulated a plurality of landing legs of connecting in the control box bottom, the bottom of control box is equipped with the guide pin bushing, it is equipped with the guide pillar to slide in the guide pin bushing, the bottom of guide pillar stretches out the bottom of guide pin bushing and links to each other with the detection head, the bottom of guide pillar is equipped with the installation component that is used for fixed detection head, be equipped with first cavity in the control box, the top of guide pillar stretches into in the first cavity, be equipped with the altitude mixture control subassembly that is used for driving the guide pillar and goes up and down in the first cavity.
By adopting the technical scheme, the detection head is fixed at the bottom of the guide pillar by the mounting assembly, the support leg is placed at a proper position, the detection head is aligned to the wellhead of the drainage well, the guide pillar is driven to descend by the height adjusting assembly, and the guide sleeve plays a role in guiding the descending of the guide pillar so as to insert the detection head into the pipeline for detection; the measuring device with the structure does not need manual adjustment of the height of the guide pillar, is time-saving and labor-saving, and improves the detection efficiency.
Optionally, the mounting assembly comprises a mounting disc connected with the bottom end of the guide pillar, two opposite hoops arranged at the bottom of the mounting disc, air bags arranged on the inner side walls of the hoops and air inlet pipes connected with the air bags, a guide groove is formed in the lower surface of the mounting disc, guide blocks are slidably arranged in the guide groove, the top end of each hoop is mounted on the lower surface of each guide block, the two bottom ends of the hoops are connected through a telescopic piece, a positioning piece used for fixing each guide block is arranged in each guide groove, and a locking space used for fixing the detection head is formed between the opposite side walls of each air bag in a surrounding mode.
Through adopting above-mentioned technical scheme, two staple bolts of pulling are kept away from each other for the extensible member stretches out, and two guide blocks are kept away from each other in the guide way simultaneously, can put into between two staple bolts with detecting the head this moment, then release the staple bolt, and the extensible member contracts back, utilizes the setting element to fix the locating piece in the constant head tank, is the gasbag air feed through the intake pipe simultaneously, makes the gasbag hug closely at the lateral wall that detects the head, fixes in order to realize the centre gripping to the gasbag.
Optionally, the extensible member is established the first spring on the guide bar including the guide bar that is located between two staple bolts bottoms and cover, the bottom lateral wall of staple bolt is equipped with the guiding hole, the guide bar passes the guiding hole and is connected with the flange, the one end of first spring links to each other with the inside wall of one of them staple bolt, the other end of first spring links to each other with the inside wall of another staple bolt.
Through adopting above-mentioned technical scheme, the setting of guide bar plays the guide effect to sliding of two staple bolts, and when keeping away from two staple bolts each other, first spring is stretched, can put into between two staple bolts with detecting the head this moment, when releasing the staple bolt, utilizes the elasticity of first spring to reset power, and two staple bolts are close to each other to the realization is fixed to the centre gripping of detecting the head.
Optionally, the positioning element includes an electromagnet disposed on the groove wall of the guide groove and a permanent magnet disposed on the side wall of the guide block, and the permanent magnet is fixed on the permanent magnet in an adsorbing manner.
Through adopting above-mentioned technical scheme, adjust the staple bolt to suitable position after, with the electro-magnet circular telegram, the electro-magnet produces the magnetic field, adsorbs the permanent magnet to fix on the electro-magnet, and then can fix the guide block in the guide way for the staple bolt is to detecting the stable centre gripping of head.
Optionally, a mounting seat is arranged between the guide pillar and the mounting disc, the mounting seat is fixed at the bottom end of the guide pillar, the mounting disc is rotatably connected to the lower surface of the mounting seat through a rotating shaft, a second cavity is arranged in the mounting seat, a miniature air pump is arranged in the second cavity, one end, away from the air bag, of the air inlet pipe is connected with the miniature air pump, a motor is arranged in the second cavity, a through hole is formed in the lower surface of the mounting seat, and a driving shaft of the motor penetrates through the through hole and is connected with the rotating shaft.
Through adopting above-mentioned technical scheme, through miniature air pump, provide the air supply to the intake pipe, and then can realize aerifing to the gasbag for the gasbag inflation will detect the head and press from both sides tightly, has improved the stability of testing process.
The motor is started to drive the rotating shaft to rotate, the mounting disc is driven to rotate within a certain angle range, the detection range of the detection head is enlarged, and the detection efficiency is improved.
Optionally, the height adjusting assembly comprises a steel wire rope and a winch for winding the steel wire rope, and one end, far away from the winch, of the steel wire rope is connected with the top end of the guide pillar.
By adopting the technical scheme, the winch is started to receive and release the steel wire rope, so that the guide pillar is driven to lift, and the height of the detection head is adjusted.
Optionally, a sliding block is arranged on the side wall of the guide pillar, a sliding groove for the sliding block to slide is formed in the inner side wall of the guide sleeve, a distance sensor is arranged on the lower surface of the sliding block, a touch display screen is arranged on the side wall of the control box, and the distance sensor, the winch and the touch display screen are electrically connected in sequence.
Through adopting above-mentioned technical scheme, utilize the cooperation of slider and spout, play direction and limiting displacement to the lift of guide pillar, along with the lift of guide pillar, utilize distance sensor real-time detection slider and the interval between the spout cell wall, and convey the distance signal who detects to PLC control circuit, and show through touch display screen, make things convenient for the depth of fall of personnel real-time observation guide pillar, when the depth of fall reaches required value, personnel pass through touch display screen, control hoist engine stop work, can remove to suitable position with the detection head this moment and detect.
Optionally, a second spring is arranged on the upper surface of the sliding block, one end, far away from the sliding block, of the second spring is connected with the groove wall of the sliding groove, and the stretching direction of the second spring is the same as the length direction of the sliding groove.
By adopting the technical scheme, when the guide pillar descends, the elastic force of the second spring is utilized to provide downward sliding force for the sliding block, and the stability of the guide pillar in the descending process is improved.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the detection head is fixed at the bottom of the guide pillar by the aid of the mounting assembly, the support leg is placed at a proper position, the detection head is aligned to a wellhead of the drainage well, the guide pillar is driven to descend by the aid of the height adjusting assembly, so that the detection head is inserted into a pipeline to be detected, the height of the guide pillar is not required to be manually adjusted, time and labor are saved, and detection efficiency is improved;
2. the air bag is supplied with air through the air inlet pipe, so that the air bag is tightly attached to the side wall of the detection head to clamp and fix the air bag;
3. utilize distance sensor real-time detection slider and the interval between the spout cell wall, and convey the distance signal who detects to PLC control circuit, and show through touch display screen, make things convenient for personnel to survey the depth of fall of guide pillar in real time, when the depth of fall reaches the required value, personnel pass through touch display screen, control hoist engine stop work, can remove to suitable position with detecting the head this moment and detect, realized the automated inspection to pipeline inside, detection efficiency is high.
Drawings
Fig. 1 is a schematic overall structure diagram of an automatic pipeline measuring device according to an embodiment of the present application.
Fig. 2 is a sectional view taken along line a-a of fig. 1.
Fig. 3 is an enlarged view of a portion a in fig. 2.
Fig. 4 is an enlarged view of a portion B in fig. 2.
Description of reference numerals: 1. a detection head; 2. a control box; 3. a support leg; 4. a guide sleeve; 5. a guide post; 6. mounting the component; 61. mounting a disc; 62. hooping; 63. an air bag; 64. an air inlet pipe; 65. a guide groove; 66. a guide block; 7. a telescoping member; 71. a guide bar; 72. a first spring; 73. a guide hole; 74. a flange; 8. a positioning member; 81. an electromagnet; 82. a permanent magnet; 9. a first cavity; 10. a height adjustment assembly; 101. a wire rope; 102. a winch; 11. a slider; 12. a chute; 13. a distance sensor; 14. a touch display screen; 15. a second spring; 16. a mounting seat; 17. a second cavity; 18. a micro air pump; 19. a motor; 20. a through hole; 21. a rotating shaft.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses automatic pipeline measuring device. Referring to fig. 1, measuring device is including being square control box 2 that sets up, and the articulated a plurality of landing legs 3 that are connected with of lower surface of control box 2, and the quantity of a plurality of landing legs 3 can be three, and three landing leg 3 all inclines to set up, and the higher one end of landing leg 3 is connected with the lower surface of control box 2 is articulated, and the lower one end of landing leg 3 is propped up and is established on ground.
Referring to fig. 1 and 2, a vertically arranged guide sleeve 4 is arranged in the middle of the lower surface of a control box 2, the guide sleeve 4 is positioned between three support legs 3, a guide pillar 5 is connected in the guide sleeve 4 in a sliding manner, the bottom end of the guide pillar 5 extends out of the bottom of the guide sleeve 4 and is connected with a detection head 1, a first cavity 9 is arranged in the control box 2, the top end of the guide pillar 5 extends into the first cavity 9, and a height adjusting assembly 10 for driving the guide pillar 5 to lift is arranged in the first cavity 9; when detecting, place three landing leg 3 in suitable position, just to the well head with guide pillar 5 simultaneously, start altitude mixture control subassembly 10, drive guide pillar 5 moves down, and then drives and detect head 1 and move down to suitable height, and then can detect the different degree of depth in the pipeline, does not need the degree of depth of decline of artifical regulation guide pillar 5, and labour saving and time saving has improved detection efficiency.
Referring to fig. 2, the height adjusting assembly 10 includes a winch 102, the winch 102 is installed on the inner top wall of the detection box located in the first cavity 9, a steel wire rope 101 is wound on the winch 102, and one end of the steel wire rope 101 far away from the winch 102 is fixedly connected with the top end of the guide pillar 5; the winch 102 is started, the steel wire rope 101 is wound, the guide column is driven to ascend and descend in the guide sleeve, the guide column is lifted to a proper height, and the detection head 1 can detect the inner side walls of pipelines with different depths.
Referring to fig. 2 and 3, two sliders 11 are arranged on the side wall of the guide pillar 5, the two sliders 11 are oppositely arranged along the radial direction of the guide pillar 5, a sliding groove 12 for the sliders 11 to slide is formed in the inner side wall of the guide sleeve 4, the length direction of the sliding groove 12 is in the same direction as the axial direction of the guide sleeve 4, the sliders 11 and the sliding groove 12 are matched to guide the sliding of the guide pillar 5, a second spring 15 is arranged on the upper surface of the sliders 11, one end, far away from the sliders 11, of the second spring 15 is connected with the groove wall of the sliding groove 12, the stretching direction of the second spring 15 is in the same direction as the length direction of the sliding groove 12, and the elastic force of the second spring 15 is utilized to provide downward sliding force for the sliders 11, so that the guide pillar 5 can stably descend, and the second spring 15 has good elastic buffering force, and the stability of the lifting process of the guide pillar 5 is improved.
Referring to fig. 2 and 3, the lower surface of slider 11 is equipped with distance sensor 13, touch display 14 is installed to the lateral wall of control box 2, distance sensor 13, electricity is connected in proper order between hoist engine 102 and the touch display 14, utilize distance sensor 13 real-time detection slider 11 and the interval between the 12 cell walls of spout, and convey detection signal to the PLC control circuit, and show through touch display 14, personnel's accessible touch display 14 sets up the lift distance of guide pillar 5 simultaneously, after guide pillar 5 goes up and down to suitable height, PLC control circuit control hoist engine 102 stop work, the automated inspection of detection head 1 to pipeline inside has finally been realized, detection efficiency is high.
In this embodiment, detect first 1 and touch display screen 14 electricity and be connected, through detecting during first 1 conveys the numerical value signal who detects to PLC control circuit to show through touch display screen 14, make things convenient for personnel in time to take notes and detect numerical value, detection efficiency is high.
Referring to fig. 2 and 4, the bottom end of the guide pillar 5 is provided with the mounting assembly 6 for fixing the detection head 1, and the mounting assembly 6 is arranged, so that the detachable connection between the detection head 1 and the guide pillar 5 is realized, and the detection heads 1 with different models and specifications can be conveniently replaced. The installation component 6 is including setting up the mounting disc 61 in guide pillar 5 bottom, the lower surface of mounting disc 61 just radially is equipped with the guide way 65 along self, the sliding motion is equipped with two relative guide blocks 66 in the guide way 65, in this embodiment, the guide way 65 is the dovetail, guide block 66 is the dovetail, and then guide block 66 can be stable slides in the guide slot, the lower surface of two guide blocks 66 all is equipped with staple bolt 62, link to each other through extensible member 7 between two staple bolt 62's the bottom.
Referring to fig. 2 and 4, the extensible member 7 includes the guide bar 71 that the level set up, and the guide bar 71 is located between the bottom of two staple bolts 62, and the bottom lateral wall of two staple bolts 62 all is equipped with the guiding hole 73, and the tip of guide bar 71 passes guiding hole 73 and is connected with flange 74, and the longitudinal section of flange 74 is circular, and the diameter size of flange 74 is greater than the aperture of guiding hole 73, and the setting of guide bar 71 plays direction and limiting displacement to two staple bolts 62. The guide rod 71 is sleeved with a first spring 72, the first spring 72 is located between the two anchor ears 62, and the extending direction of the first spring 72 is the same as the axial direction of the guide rod 71.
When the two anchor ears 62 are moved away from each other, the first spring 72 is stretched to drive the guide block 66 to slide in the chute 12, and meanwhile, the extensible member 7 is extended and contracted, so that the detection head 1 can be placed between the two anchor ears 62; then, release staple bolt 62, utilize the elasticity restoring force of first spring 72 for two staple bolts 62 are close to each other, in order to realize the centre gripping to staple bolt 62, for improving the stability of staple bolt 62 to detecting first 1 centre gripping, be equipped with the setting element 8 that is used for fixed guide block 66 in the guide way 65, adjust staple bolt 62 to suitable position after, utilize setting element 8 to fix guide block 66 in guide way 65, so that two staple bolts 62 stabilize the centre gripping to detecting first 1.
Referring to fig. 2 and 4, the positioning member 8 includes an electromagnet 81 disposed on a top wall of the guide groove 65 opposite to the notch thereof, a length direction of the electromagnet 81 is the same as a length direction of the guide groove 65, a top wall of the guide block 66 is provided with a permanent magnet 82 and abuts against the electromagnet 81, the electromagnet 81 is energized, the electromagnet 81 generates a magnetic field, and the permanent magnet 82 is fixed to the electromagnet 81 by suction, thereby positioning the guide block 66 in the guide groove 65.
Referring to fig. 2 and 4, for further reinforcing the stability to detecting head 1 centre gripping, the inside wall of two staple bolts 62 all establishes to the arc concave surface, the inside wall of two staple bolts 62 is all sticky and is equipped with gasbag 63, the lateral wall of gasbag 63 is connected with intake pipe 64, aerify gasbag 63 through intake pipe 64, it is used for fixed locking space that detects head 1 to enclose to close to form between the relative lateral wall of two gasbags 63, and gasbag 63 has good deformability, the laminating that can be stable is detecting head 1's lateral wall, so that to detect head 1 centre gripping fixed.
Referring to fig. 2 and 4, a mounting seat 16 is arranged at the bottom end of the guide pillar 5, the mounting seat 16 is located between the guide pillar 5 and the mounting plate 61, the upper surface of the mounting plate 61 is rotatably connected with the lower surface of the mounting seat 16 through a rotating shaft 21, a through hole 20 is formed in the lower surface of the mounting seat 16, a second cavity 17 communicated with the through hole 20 is formed in the mounting seat 16, a motor 19 is installed in the second cavity 17, a driving shaft of the motor 19 penetrates through the through hole 20 and is coaxially connected with the rotating shaft 21, the motor 19 is started, the rotating shaft 21 is driven to rotate within a certain angle range, angle adjustment of the detection head 1 is achieved, and the detection range of the detection head 1 is enlarged.
In this embodiment, the micro air pump 18 is further disposed in the second cavity 17 and on two sides of the motor 19, one end of the air inlet pipe 64, which is far away from the air bag 63, extends into the second cavity 17, the air inlet pipe 64 is connected to the micro air pump 18, the micro air pump 18 is started, air inflation and deflation of the air bag 63 are achieved, and the air inlet pipe 64 is a hose and can stably supply air to the air bag 63 along with rotation of the mounting plate 61.
The implementation principle of the automatic pipeline measuring device in the embodiment of the application is as follows: at first, stimulate staple bolt 62 for interval between two staple bolts 62 increases, drives guide block 66 simultaneously and slides in guide way 65, sees to put into two staple bolts 62 with detecting head 1 this moment between, opens staple bolt 62 again, utilizes the elasticity restoring force of spring, makes two staple bolts 62 be close to each other, carries out the centre gripping to detecting head 1.
Then the electromagnet 81 is electrified, the electromagnet 81 generates a magnetic field, the permanent magnet 82 is fixed on the electromagnet 81 in an adsorption mode, the guide block 66 can be fixed in the guide groove 65, the micro air pump 18 is started, the air bag 63 is supplied with air through the air inlet pipe 64, the air bag 63 expands and is attached to the side wall of the detection head 1, and clamping and fixing of the detection head 1 are achieved.
In the detection process, the motor 19 is started to drive the rotating shaft 21 to rotate, and then the mounting disc 61 is driven to rotate within a certain angle range, so that the angle adjustment of the detection head 1 is realized, the detection area of the detection head 1 is increased, and the detection efficiency is improved.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. An automatic measuring device for pipelines comprises a detection head (1), and is characterized in that: the detection device is characterized by further comprising a control box (2) and a plurality of support legs (3) hinged to the bottom of the control box (2), wherein a guide sleeve (4) is arranged at the bottom of the control box (2), a guide pillar (5) is arranged in the guide sleeve (4) in a sliding mode, the bottom end of the guide pillar (5) extends out of the bottom of the guide sleeve (4) and is connected with the detection head (1), a mounting assembly (6) used for fixing the detection head (1) is arranged at the bottom end of the guide pillar (5), a first cavity (9) is arranged in the control box (2), the top end of the guide pillar (5) extends into the first cavity (9), and a height adjusting assembly (10) used for driving the guide pillar (5) to ascend and descend is arranged in the first cavity (9).
2. The automatic pipeline measuring device of claim 1, wherein: the mounting assembly (6) comprises a mounting disc (61) connected with the bottom end of the guide pillar (5), two opposite hoops (62) arranged at the bottom of the mounting disc (61), air bags (63) arranged on the inner side wall of the hoops (62) and air inlet pipes (64) connected with the air bags (63), a guide groove (65) is formed in the lower surface of the mounting disc (61), a guide block (66) slides in the guide groove (65), the top end of the hoops (62) is mounted on the lower surface of the guide block (66), two ends of the hoops (62) are connected through a telescopic piece (7), a positioning piece (8) used for fixing the guide block (66) is arranged in the guide groove (65), and a locking space used for fixing the detection head (1) is formed between opposite side walls of the air bags (63) in a surrounding mode.
3. The automatic pipeline measuring device of claim 2, wherein: extensible member (7) are including being located guide bar (71) between two staple bolt (62) bottoms and establishing first spring (72) on guide bar (71) at the cover, the bottom lateral wall of staple bolt (62) is equipped with guiding hole (73), guide bar (71) pass guiding hole (73) and are connected with flange (74), the one end of first spring (72) links to each other with the inside wall of one of them staple bolt (62), the other end of first spring (72) links to each other with the inside wall of another staple bolt (62).
4. The automatic pipeline measuring device of claim 2, wherein: the positioning piece (8) comprises an electromagnet (81) arranged on the groove wall of the guide groove (65) and a permanent magnet (82) arranged on the side wall of the guide block (66), and the permanent magnet (82) is fixedly adsorbed on the permanent magnet (82).
5. The automatic pipeline measuring device of claim 2, wherein: be equipped with mount pad (16) between guide pillar (5) and mounting disc (61), mount pad (16) are fixed in the bottom of guide pillar (5), mounting disc (61) rotate through pivot (21) and connect the lower surface at mount pad (16), be equipped with second cavity (17) in mount pad (16), be equipped with miniature air pump (18) in second cavity (17), the one end that gasbag (63) were kept away from in intake pipe (64) links to each other with miniature air pump (18), be equipped with motor (19) in second cavity (17), the lower surface of mount pad (16) is equipped with through-hole (20), the drive shaft of motor (19) passes through-hole (20) and links to each other with pivot (21).
6. The automatic pipeline measuring device of claim 1, wherein: the height adjusting assembly (10) comprises a steel wire rope (101) and a winch (102) used for winding the steel wire rope (101), and one end, far away from the winch (102), of the steel wire rope (101) is connected with the top end of the guide pillar (5).
7. The automatic pipeline measuring device of claim 6, wherein: the guide post is characterized in that a sliding block (11) is arranged on the side wall of the guide post (5), a sliding groove (12) for the sliding block (11) to slide is formed in the inner side wall of the guide sleeve (4), a distance sensor (13) is arranged on the lower surface of the sliding block (11), a touch display screen (14) is arranged on the side wall of the control box (2), and the distance sensor (13), the winch (102) and the touch display screen (14) are sequentially and electrically connected.
8. The automatic pipeline measuring device of claim 7, wherein: the upper surface of slider (11) is equipped with second spring (15), the one end that slider (11) were kept away from in second spring (15) links to each other with the cell wall of spout (12), the flexible direction of second spring (15) and the length direction syntropy of spout (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022989469.6U CN213930186U (en) | 2020-12-11 | 2020-12-11 | Automatic pipeline measuring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022989469.6U CN213930186U (en) | 2020-12-11 | 2020-12-11 | Automatic pipeline measuring device |
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| CN213930186U true CN213930186U (en) | 2021-08-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115164039A (en) * | 2022-09-05 | 2022-10-11 | 国网山东省电力公司烟台市蓬莱区供电公司 | Multifunctional measuring tool for power pipeline |
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2020
- 2020-12-11 CN CN202022989469.6U patent/CN213930186U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115164039A (en) * | 2022-09-05 | 2022-10-11 | 国网山东省电力公司烟台市蓬莱区供电公司 | Multifunctional measuring tool for power pipeline |
| CN115164039B (en) * | 2022-09-05 | 2022-11-15 | 国网山东省电力公司烟台市蓬莱区供电公司 | Multifunctional measuring tool for power pipeline |
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