CN114583632A - Hydraulic engineering geophysical prospecting cable protection device - Google Patents
Hydraulic engineering geophysical prospecting cable protection device Download PDFInfo
- Publication number
- CN114583632A CN114583632A CN202210198102.3A CN202210198102A CN114583632A CN 114583632 A CN114583632 A CN 114583632A CN 202210198102 A CN202210198102 A CN 202210198102A CN 114583632 A CN114583632 A CN 114583632A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- protective sleeve
- protection device
- geophysical prospecting
- cable protection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000005192 partition Methods 0.000 claims abstract description 7
- 230000001681 protective effect Effects 0.000 claims description 72
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 33
- 239000003814 drug Substances 0.000 claims description 16
- 230000003014 reinforcing effect Effects 0.000 claims description 14
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 238000009423 ventilation Methods 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 8
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 4
- 239000002689 soil Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004043 dyeing Methods 0.000 description 3
- 238000005728 strengthening Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 238000006563 Carroll rearrangement reaction Methods 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- PFUVRDFDKPNGAV-UHFFFAOYSA-N sodium peroxide Chemical compound [Na+].[Na+].[O-][O-] PFUVRDFDKPNGAV-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0406—Details thereof
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B3/00—Audible signalling systems; Audible personal calling systems
- G08B3/06—Audible signalling systems; Audible personal calling systems using hydraulic transmission; using pneumatic transmission
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G9/00—Installations of electric cables or lines in or on the ground or water
- H02G9/06—Installations of electric cables or lines in or on the ground or water in underground tubes or conduits; Tubes or conduits therefor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention discloses a hydraulic engineering geophysical prospecting cable protection device, which belongs to the field of cable protection equipment and comprises a protection sleeve, wherein a support frame is fixedly connected inside the protection sleeve, and a plurality of partition plates are also fixedly connected inside the protection sleeve. When the cable protecting sleeve is used, when excavating equipment touches the protecting sleeve in the geophysical prospecting construction excavating process, the protecting sleeve can give out early warning, so that excavating personnel is reminded to excavate the cable, and the cable is prevented from being damaged by the excavating personnel.
Description
Technical Field
The invention relates to the field of cable protection equipment, in particular to a hydraulic engineering geophysical prospecting cable protection device.
Background
Geophysical exploration, abbreviated as geophysical exploration, refers to the detection of geological conditions such as formation lithology, geological structure and the like by researching and observing the changes of various geophysical fields. Since the different formation media that make up the earth's crust tend to differ in density, elasticity, electrical conductivity, magnetism, radioactivity, and thermal conductivity, these differences cause corresponding local changes in the geophysical field.
In water conservancy water and electricity geophysical prospecting construction, its cable is one of essential raw materials, because of its water conservancy water and electricity geophysical prospecting job site is comparatively in a jumble, its reserve cable is placed subaerial more, and construction site can bury the cable and avoid the vehicle to roll underground a bit, but no matter put the cable subaerial or bury and can't carry out effectual protection to the cable underground, careless probably will damage the cable during the construction a little.
Chinese patent discloses a hydraulic and hydroelectric engineering geophysical prospecting cable protector (grant publication number CN214479316U), and this patent is placed the cable and can be protected the cable in a protection section of thick bamboo, avoids in its hydraulic and hydroelectric geophysical prospecting construction to be difficult to notice the cable position because of debris are more and to cause to trample, the car rolls, damage such as pull to it, has improved the protectiveness to the cable, however, this patent only is applicable to and puts the cable subaerial condition, and can't protect burying the cable underground.
Disclosure of Invention
The invention aims to provide a hydraulic engineering geophysical prospecting cable protection device to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a hydraulic engineering geophysical prospecting cable protection device, includes the protective sheath, the inside fixedly connected with support frame of protective sheath, a plurality of baffles of fixedly connected with are gone back to the inside of protective sheath.
As a further scheme of the invention, the upper end of the protective sleeve is fixedly connected with a carrying shell, a reaction generating bag is arranged in the carrying shell, the reaction generating bag can generate a large amount of gas by triggering the reaction generating bag, and the carrying shell is communicated with the protective sleeve.
As a further scheme of the present invention, a bottom trough plate is fixedly connected to the inside of the carrying shell, a plurality of vent notches are formed between the bottom trough plate and the inside of the carrying shell, and a plurality of vent holes are formed through the upper end of the protective sleeve.
As a further scheme of the present invention, the upper end of the carrying shell is fixedly connected with a top plate, the upper end of the carrying shell is fixedly connected with a plurality of supporting bars, the lower end of the top plate is provided with a plurality of mounting grooves, the mounting grooves correspond to the supporting bars, and the supporting bars are positioned in the mounting grooves.
As still a further aspect of the present invention, the reaction-generating bag includes a medicine bag and a water bag.
As a further scheme of the invention, an air vent chamber can be formed between every two partition plates, the outer wall of the protective sleeve is provided with a plurality of wall grooves corresponding to the air vent chamber, the outer wall of the protective sleeve is rotatably connected with a plurality of protective plates, the outer wall of the protective sleeve is provided with an air vent, and the outer wall of the protective sleeve is also inserted with a plurality of whistles.
As a further scheme of the invention, the upper end and the lower end of the protective sleeve are both fixedly connected with protective plates, the ends of the two protective plates close to each other are both symmetrically provided with bearing plates, and the bearing plates are fixedly connected with the protective sleeve.
As a further scheme of the invention, a water storage cavity can be formed between every two partition plates in the protective sleeve, a water injection hole is formed in the outer wall of the protective sleeve, and colored liquid can be injected into the water storage cavity through the water injection hole.
As a further scheme of the invention, one end of the bearing plate, which is far away from the protective plate, is fixedly connected with a plurality of lower reinforcing ribs, reserved notches are formed in the lower reinforcing ribs, and wall breaking needles are fixedly connected to the lower reinforcing ribs, which are positioned in the reserved notches.
Compared with the prior art, the invention has the beneficial effects that:
1. when the protective sleeve is used, when excavating equipment is in contact with the top plate, the top plate can deform to enable the sharp nail to damage the water bag and the medicament bag, when the water bag is damaged, water can react with medicament in the medicament bag, a large amount of gas can be generated when the medicament in the medicament bag reacts with the water, the generated gas can enter the ventilation chamber through the vent hole, the gas entering the ventilation chamber can be discharged to the outside of the protective sleeve through the vent hole and the whistle, at the moment, the protective plate can be jacked open by the gas, the whistle can make a sound when the gas passes through the whistle, and meanwhile, the protective sleeve can generate a leakage sound, so that excavating personnel are reminded, the excavating personnel can find out that the cable is excavated in time, and the cable is prevented from being excavated and broken.
2. When the cable protective sleeve is used, when an excavator digs the carrying plate, the carrying plate can deform due to the force applied by excavating equipment, the reserved notch is formed in the lower reinforcing rib, when the carrying plate deforms, the lower reinforcing rib can bend along the reserved notch to drive the wall breaking needle to pierce the outer wall of the protective sleeve, so that the color liquid in the protective sleeve flows out, the soil around the protective sleeve can be dyed when the color liquid flows out, the attention of the excavator can be increased by dyeing the soil, the excavator can realize that the excavator digs the cable, and the excavator can be prevented from damaging the underground cable.
3. When the invention is used, when the excavating equipment touches the protective sleeve in the geophysical prospecting excavating process, the protective sleeve can send out early warning, thereby reminding the excavating personnel to excavate the cable and avoiding the cable from being damaged by the excavating personnel.
Drawings
Fig. 1 is a schematic structural diagram of a hydraulic engineering geophysical prospecting cable protection device.
Fig. 2 is a first split view of a hydraulic engineering geophysical prospecting cable protection device.
Fig. 3 is a cross-sectional view of a hydraulic engineering geophysical prospecting cable protection device.
Fig. 4 is a schematic structural diagram of a carrying shell in a hydraulic engineering geophysical prospecting cable protection device.
Fig. 5 is a schematic structural diagram of a hydraulic engineering geophysical prospecting cable protection device.
Fig. 6 is a second split view of the hydraulic engineering geophysical prospecting cable protection device.
Fig. 7 is a side view of a hydraulic engineering geophysical prospecting cable protection device.
Fig. 8 is a schematic use view of a hydraulic engineering geophysical prospecting cable protection device.
In the figure: 1. a protective sleeve; 2. a support frame; 3. an object carrying shell; 4. a top plate; 5. a wall groove; 6. a protection plate; 7. a vent; 8. a whistle; 100. a vent hole; 101. a cable; 110. a protection plate; 111. a carrier plate; 112. arranging a reinforcing rib; 113. a lower reinforcing rib; 114. reserving a gap; 115. breaking the wall of the needle; 200. a partition plate; 201. an air-through cabin; 300. a bottom slot plate; 301. a vent slot; 302. a medicament bag; 303. a water bag; 304. a supporting strip; 400. and (4) sharp nails.
Detailed Description
The first embodiment is as follows:
referring to fig. 1 to 4, in an embodiment of the present invention, a hydraulic engineering geophysical prospecting cable protection device includes a protection sleeve 1, the protection sleeve 1 is a tubular body, a support frame 2 is fixedly connected to the inside of the protection sleeve 1, the support frame 2 is arranged in a triangle, the support frame 2 is made of a plastic material, three corners of the support frame 2 are all fixedly connected to the inside of the protection sleeve 1, the support frame 2 is arranged in a triangle to facilitate increasing the overall strength of the protection sleeve 1, the upper end of the protection sleeve 1 is fixedly connected to a plurality of object carrying shells 3 (only one object carrying shell 3 is taken as an example in the drawing), a reaction generating bag is installed in the object carrying shells 3, the reaction generating bag can generate a large amount of gas by triggering the reaction generating bag, the reaction generating bag includes a medicament bag 302 and a water bag 303, the medicament bag 302 is filled with sodium peroxide powder, the water bag 303 is filled with liquid water, and the medicament bag 302 is located below the water bag 303, the carrying shell 3 is communicated with the protective sleeve 1, a bottom groove plate 300 is fixedly connected to the inside of the carrying shell 3, a plurality of ventilation notches 301 are formed between the bottom groove plate 300 and the inside of the carrying shell 3, a plurality of ventilation holes 100 are formed in the upper end of the protective sleeve 1 in a penetrating mode, a top plate 4 is fixedly connected to the upper end of the carrying shell 3, the top plate 4 is made of rubber materials, a plurality of sharp nails 400 are fixedly connected to the lower end of the top plate 4, the sharp nails 400 are made of plastic materials, a plurality of supporting bars 304 are fixedly connected to the upper end of the carrying shell 3, a plurality of mounting grooves are formed in the lower end of the top plate 4, the mounting grooves correspond to the supporting bars 304, the supporting bars 304 are located in the mounting grooves, the top plate 4 can be supported through the supporting bars 304, and deformation of the top plate 4 in the process of carrying the protective sleeve 1 is avoided;
a plurality of baffles 200 of inside fixedly connected with of protective sheath 1, through the bearing strength of baffle 200's the multiplicable protective sheath 1 of setting up, can form an ventilative cabin 201 between per two baffles 200, one carries thing shell 3 and is corresponding two ventilative cabins 201 (as shown in fig. 3) in the protective sheath 1, a plurality of wall grooves 5 have been seted up on the outer wall of protective sheath 1, wall groove 5 corresponds with ventilative cabin 201, every two wall grooves 5 are corresponding an ventilative cabin 201, it is connected with a plurality of guard plates 6 to rotate on the outer wall of protective sheath 1, guard plate 6 corresponds with wall groove 5, guard plate 6 is plastic materials, vent 7 has been seted up on the outer wall of protective sheath 1, vent 7 is located wall groove 5, still insert on the outer wall of protective sheath 1 and be equipped with a plurality of whistle 8, whistle 8 is the BB whistle, whistle 8 is located wall groove 5, whistle 8 runs through the conch wall of protective sheath 1, and the one end that whistle 8 is located wall groove 5 the other end is located ventilative cabin 201.
The principle of the embodiment is as follows:
the cable 101 is inserted into the support frame 2 before the cable 101 is buried, and when the excavating equipment (or other equipment) is brought into contact with the ceiling 4 during construction, the top plate 4 can be deformed to enable the spikes 400 to destroy the water bag 303 and the medicine bag 302, when the water bag 303 is destroyed, water can react with the medicine in the medicine bag 302, when the medicine in the medicine bag 302 reacts with the water, a large amount of gas can be generated, the generated gas can enter the ventilation cabin 201 through the ventilation holes 100, the gas entering the ventilation cabin 201 can be discharged to the outside of the protective sleeve 1 through the ventilation holes 7 and the whistle 8, at the moment, the protective plate 6 can be pushed open by the gas, when the gas passes through the whistle 8, the whistle 8 can make a sound, and meanwhile, the protective sleeve 1 can also generate the sound of gas leakage, therefore, the excavator is reminded, the excavator can timely find that the cable 101 is touched, and the cable 101 is prevented from being broken by digging.
Example two:
referring to fig. 5-7, the difference between the embodiments of the present invention 1 is that the upper and lower ends of the protective sheath 1 are fixedly connected with the protective plates 110, the ends of the two protective plates 110 close to each other are symmetrically provided with the carrier plates 111, the carrier plates 111 are fixedly connected with the protective sheath 1, and the upper end of the bearing plate 111 is fixedly connected with a plurality of upper reinforcing ribs 112, the bearing plate 111 is fixedly connected with the protection plate 110 through the upper reinforcing ribs 112, a water storage cavity can be formed between every two partition plates 200 in the protection sleeve 1, the outer wall of the protection sleeve 1 is provided with a water injection hole, can inject colored liquid into through the water injection hole in the water storage cavity, the equal a plurality of lower strengthening ribs 113 of fixedly connected with of one end that protection shield 110 was kept away from to loading board 111 all are equipped with on the lower strengthening rib 113 and reserve breach 114, lie in fixedly connected with broken wall needle 115 in reserving breach 114 on the lower strengthening rib 113, have seted up a plurality of round holes on broken wall needle 115.
The principle of the embodiment is as follows:
referring to fig. 8, before use, the cable 101 is inserted into the supporting frame 2 and then the protective sheath 1 is buried under the ground, (the cable 101 is buried under the ground itself to protect the cable 101 and prevent the construction vehicle from rolling on the cable 101), when the excavating equipment touches the protective sheath 110 on the protective sheath 1, the protective sheath 110 transmits the force applied by the excavating equipment to the surrounding soil through the bearing plate 111 to increase the bearing force of the protective sheath 1, so that the excavating personnel can recognize that the hard object is excavated by themselves, and the excavating personnel is reminded to inspect the excavated place (when the hard object is excavated by the excavating personnel, the excavating personnel can get off the vehicle to inspect what the excavated hard object, and then perform subsequent excavating work, when the excavating equipment is an excavator, when the bucket of the excavator is connected to the protective sheath 1, the bucket can make a sound, and the connection between the bucket and the excavating arm is a rotating connection, and a gap is reserved at the joint, when the bucket meets a hard object, the joint of the bucket is bumped into the gap to generate sound, which is also a method for judging whether the bucket meets the hard object by an excavator driver), thereby preventing the excavator from breaking the cable 101, and when the excavator reaches the hard object without checking and continues to excavate, the loading plate 111 is deformed by the force applied from the excavating equipment, because the lower reinforcing rib 113 is provided with the reserved notch 114, when the bearing plate 111 deforms, the lower reinforcing rib 113 bends along the reserved notch 114 to drive the wall breaking needle 115 to pierce the outer wall of the protective sleeve 1, thereby leading the color liquid inside to flow out, dyeing the soil around the protective sleeve 1 when the color liquid flows out, increasing the attention of the digger by dyeing the soil, and furthermore, the excavating personnel can be aware that the cable 101 is excavated by the excavating personnel, so that the underground cable 101 is prevented from being damaged by the excavating personnel.
Claims (9)
1. The utility model provides a hydraulic engineering geophysical prospecting cable protection device, includes protective sheath (1), its characterized in that, inside fixedly connected with support frame (2) of protective sheath (1), a plurality of baffles (200) of fixedly connected with are gone back to the inside of protective sheath (1).
2. The hydraulic engineering geophysical prospecting cable protection device according to claim 1, wherein an object carrying shell (3) is fixedly connected to the upper end of the protective sleeve (1), a reaction generating bag is arranged in the object carrying shell (3), the reaction generating bag can generate a large amount of gas by triggering the reaction generating bag, and the object carrying shell (3) is communicated with the protective sleeve (1).
3. The water conservancy project geophysical prospecting cable protection device according to claim 2, wherein a bottom groove plate (300) is fixedly connected to the inside of the object carrying shell (3), a plurality of vent groove openings (301) are formed between the bottom groove plate (300) and the inside of the object carrying shell (3), and a plurality of vent holes (100) are formed in the upper end of the protective sleeve (1) in a penetrating mode.
4. The water conservancy project geophysical prospecting cable protection device according to claim 2, wherein a top plate (4) is fixedly connected to the upper end of the carrying shell (3), a plurality of supporting bars (304) are fixedly connected to the upper end of the carrying shell (3), a plurality of mounting grooves are formed in the lower end of the top plate (4), the mounting grooves correspond to the supporting bars (304), and the supporting bars (304) are located in the mounting grooves.
5. A hydraulic engineering geophysical prospecting cable protection device according to claim 2, characterized in that the reaction generating bag comprises a medicament bag (302) and a water bag (303).
6. The hydraulic engineering geophysical prospecting cable protection device according to claim 1, wherein an air ventilation cabin (201) can be formed between every two partition plates (200), a plurality of wall grooves (5) are formed in the outer wall of the protective sleeve (1), the wall grooves (5) correspond to the air ventilation cabin (201), a plurality of protective plates (6) are rotatably connected to the outer wall of the protective sleeve (1), air vents (7) are formed in the outer wall of the protective sleeve (1), and a plurality of whistle (8) are inserted into the outer wall of the protective sleeve (1).
7. The hydraulic engineering geophysical prospecting cable protection device according to claim 1, characterized in that the upper and lower ends of the protective sleeve (1) are fixedly connected with protective plates (110), the ends of the two protective plates (110) close to each other are symmetrically provided with bearing plates (111), and the bearing plates (111) are fixedly connected with the protective sleeve (1).
8. The hydraulic engineering geophysical prospecting cable protection device according to claim 1, wherein a water storage cavity can be formed between every two partition plates (200) in the protective sleeve (1), a water injection hole is formed in the outer wall of the protective sleeve (1), and color liquid can be injected into the water storage cavity through the water injection hole.
9. The hydraulic engineering geophysical prospecting cable protection device according to claim 7, wherein one end of the bearing plate (111) far away from the protection plate (110) is fixedly connected with a plurality of lower reinforcing ribs (113), the lower reinforcing ribs (113) are provided with reserved gaps (114), and the lower reinforcing ribs (113) are fixedly connected with wall breaking needles (115) in the reserved gaps (114).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210198102.3A CN114583632B (en) | 2022-03-02 | 2022-03-02 | Hydraulic engineering geophysical prospecting cable protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210198102.3A CN114583632B (en) | 2022-03-02 | 2022-03-02 | Hydraulic engineering geophysical prospecting cable protection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114583632A true CN114583632A (en) | 2022-06-03 |
| CN114583632B CN114583632B (en) | 2024-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210198102.3A Active CN114583632B (en) | 2022-03-02 | 2022-03-02 | Hydraulic engineering geophysical prospecting cable protection device |
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| CN113131433A (en) * | 2021-04-21 | 2021-07-16 | 安徽伊法拉电气股份有限公司 | Novel cable explosion-proof box |
| CN213844301U (en) * | 2020-12-31 | 2021-07-30 | 北京龙飞船科技有限公司 | Warning belt and warning device |
| CN214479316U (en) * | 2021-04-27 | 2021-10-22 | 安鑫 | Hydraulic and hydroelectric engineering geophysical prospecting cable protection device |
| CN214479483U (en) * | 2021-03-29 | 2021-10-22 | 中建一局华江建设有限公司 | non-Newtonian liquid warning tape structure |
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2022
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|---|---|---|---|---|
| KR100805072B1 (en) * | 2007-09-13 | 2008-02-20 | (주) 토문엔지니어링건축사사무소 | Protector for underground line |
| CN201774212U (en) * | 2010-08-15 | 2011-03-23 | 山东电力集团公司临沂供电公司 | Gas sensing alarm type direct-buried cable protecting device |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN114583632B (en) | 2024-06-04 |
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