CN113471921A - Pipe connecting device of comprehensive pipe rack - Google Patents
Pipe connecting device of comprehensive pipe rack Download PDFInfo
- Publication number
- CN113471921A CN113471921A CN202110737401.5A CN202110737401A CN113471921A CN 113471921 A CN113471921 A CN 113471921A CN 202110737401 A CN202110737401 A CN 202110737401A CN 113471921 A CN113471921 A CN 113471921A
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- Prior art keywords
- air inlet
- unit
- plate
- piston
- sealing
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Classifications
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- 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
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- 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
- H02G15/00—Cable fittings
-
- 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
- H02G15/00—Cable fittings
- H02G15/20—Cable fittings for cables filled with or surrounded by gas or oil
-
- 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
- H02G15/00—Cable fittings
- H02G15/20—Cable fittings for cables filled with or surrounded by gas or oil
- H02G15/24—Cable junctions
Landscapes
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention relates to a pipeline connecting device of a comprehensive pipe gallery, which comprises a mounting frame, a supporting plate and a connecting device, wherein the mounting frame is uniformly arranged on the inner wall of the comprehensive pipe gallery through screws, the supporting frame is uniformly arranged on the mounting frame through screws, the supporting plate is arranged at the upper end of the supporting frame through screws, and the connecting device is arranged in the middle of the upper end of the supporting plate. The invention can solve the problems that when the existing equipment is used for connecting the protective sleeve, the connection is inconvenient, the sealing effect is poor, moist water vapor in the pipe gallery easily enters the protective sleeve to cause the phenomenon that the electric wire and the cable in the protective sleeve are easy to generate short circuit, and meanwhile, when the existing equipment is used for connecting the protective sleeve, the end part of the protective sleeve can not be protected normally, and the protective sleeve is easy to deform when being extruded, so that the protective sleeve is easy to generate gaps after being connected, and the long-time use of the protective sleeve is not facilitated.
Description
Technical Field
The invention relates to the field of municipal comprehensive pipe galleries, in particular to a pipeline connecting device of a comprehensive pipe gallery.
Background
The utility tunnel is used for laying the public tunnel of municipal pipelines such as gas supply, water supply, municipal administration preset pipeline and power supply and communication cable in the city underground, is an advanced layout mode, and city underground pipe network construction is expected to bring billions of yuan of investment, plays important supporting role to economic growth, and brings quick dilatation opportunity for trades such as pipe network material, safety monitoring and utility tunnel engineering, will produce immeasurable important effect to improving city face, guarantee city safety.
At present, the inside electric power protecting pipe of present utility tunnel when connecting, has following defect usually: 1. when the existing equipment is used for connecting the protective sleeve, the connection is inconvenient, the sealing effect is poor, and moist water vapor in the pipe gallery easily enters the interior of the protective sleeve, so that the electric wire and the cable in the protective sleeve are easily short-circuited, and the using effect of the electric wire and the cable is influenced; 2. when connecting the protective sleeve, the existing equipment can not protect the end part of the protective sleeve generally, and the protective sleeve is easy to deform when being extruded, so that the protective sleeve is easy to generate gaps after being connected and is not beneficial to long-time use of the protective sleeve.
Disclosure of Invention
Technical problem to be solved
The invention can solve the problems that when the existing equipment is used for connecting the protective sleeve, the connection is inconvenient, the sealing effect is poor, moist steam in the pipe gallery easily enters the protective sleeve, so that the electric wire and the cable in the protective sleeve are easy to generate short circuit, and the using effect of the electric wire and the cable is influenced.
(II) technical scheme
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a utility tunnel's pipe connection device, includes mounting bracket, support frame, backup pad and connecting device, the utility tunnel inner wall on evenly install the mounting bracket through the screw, evenly install the support frame through the screw on the mounting bracket, there is the backup pad support frame upper end through the mounting screw, backup pad upper end mid-mounting has connecting device.
Connecting device include mount, fixed mould, piston unit, regulating unit, the unit of admitting air and sealed unit, mount quantity be two, be connected through the screw between the mount, the inside symmetry of mount is provided with logical groove, logical inslot installs the fixed mould, the inside arc wall that is provided with of fixed mould, evenly install sealed unit on the interior concave surface of fixed mould, evenly install the piston unit in the middle part of the mount, be provided with on the mount with piston unit complex piston hole, the inside spread groove that communicates with the piston unit that is provided with of mount, spread groove mid-mounting has the regulating unit, the unit of admitting air is installed to spread groove outside symmetry, the unit of admitting air is linked together with sealed unit.
The piston unit include connecting plate, connecting sleeve and piston head, the mount on install the connecting plate through the screw, install connecting sleeve on the connecting plate, the piston head is installed to the connecting sleeve inboard, piston head and piston hole interference fit.
The sealing unit comprises an air inlet, a clamping groove and an air bag, the air inlet is installed on the fixed mold, the clamping groove is formed in the inner side of the fixed mold, the air bag is installed in the clamping groove, and the air bag is communicated with the air inlet.
As a preferred technical scheme of the invention, the adjusting unit comprises an adjusting seat, an adjusting rod and an adjusting plate, the adjusting seat is mounted on the fixing frame through a bearing, a hexagonal screw hole is formed in the adjusting seat, the adjusting rod is mounted on the inner side of the adjusting seat, the adjusting plate is mounted on the adjusting rod, the adjusting plate is of an oval structure, the outer side surface of the adjusting plate is a smooth surface, and the outer side of the adjusting plate is tightly attached to the air inlet unit.
As a preferred technical scheme of the invention, the air inlet unit comprises an air inlet plate, a guide rod and a connecting spring, the air inlet plate is symmetrically arranged in the connecting groove in a sliding fit manner, the outer side of the air inlet plate is hermetically connected with the connecting groove, the middle part of the air inlet plate is tightly attached to the adjusting unit, the guide rod is arranged in the middle part of the air inlet plate, the connecting spring is arranged on the outer side of the guide rod, and the connecting spring plays a role in resetting.
As a preferable technical scheme of the invention, the support frame is of an L-shaped structure, the support frame is uniformly provided with mounting holes, the middle part of the lower end of the support frame is provided with a reinforcing plate, and the reinforcing plate is of a triangular structure, so that the support stability of the support frame is improved.
As a preferred technical scheme of the invention, the piston head is of a cylindrical structure, the middle part of the piston head is communicated with the connecting sleeve, annular grooves are uniformly arranged on the outer side of the piston head, and sealing rings are arranged in the annular grooves and play a role in sealing.
As a preferred technical scheme of the invention, the outer side of the guide rod is uniformly provided with the annular frame, the outer side of the guide rod is provided with the annular clamping groove, the annular clamping groove is provided with the rubber ring, and the rubber ring plays a role in sealing and ensures the sealing effect of connection.
As a preferred technical scheme of the invention, the air bag is made of flexible wear-resistant materials, and the inner side surface of the air bag is provided with an elastic cushion which is made of rubber.
As a preferable technical scheme of the invention, the middle part of the fixed mould is also provided with a sealing frame, the section of the sealing frame is of an umbrella-shaped structure, and the fixed mould is of a semi-circular structure.
(III) advantageous effects
1. The connecting device of the pipeline connecting device of the comprehensive pipe gallery can effectively connect the electric power protecting sleeve, has good connecting effect and simple and convenient operation, and meanwhile, the piston unit, the adjusting unit, the air inlet unit and the sealing unit are matched with each other to ensure the sealing effect of the protecting sleeve, prevent moist gas from entering the protecting sleeve and avoid the phenomenon of short circuit of wires and cables in the protecting sleeve;
2. according to the pipeline connecting device of the comprehensive pipe rack, the fixed die is detachably designed, so that the fixed die can be replaced according to the size of the electric power protecting sleeve, the using effect is good, and the protecting sleeve can be conveniently and accurately installed;
3. according to the pipeline connecting device of the comprehensive pipe gallery, the sealing units adopt an inflatable design mode, and when gas enters the sealing units, the sealing units can be effectively filled into gaps between the fixed die and the protecting sleeve, so that the sealing performance of the protecting sleeve connection is ensured.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of the mounting structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic view of a first cross-sectional configuration of the connector of the present invention;
FIG. 4 is a schematic view of a second cross-sectional configuration of the connecting device of the present invention;
FIG. 5 is a schematic cross-sectional view of the fixing frame, the adjusting unit and the air inlet unit;
FIG. 6 is a schematic sectional view showing the structure among the fixing frame, the fixing die and the sealing unit according to the present invention;
fig. 7 is an enlarged schematic view of the invention at a in fig. 6.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 to 7, a utility tunnel's pipe connection device, includes mounting bracket 1, support frame 2, backup pad 3 and connecting device 4, the utility tunnel inner wall on evenly install mounting bracket 1 through the screw, evenly install support frame 2 through the screw on mounting bracket 1, there is backup pad 3 support frame 2 upper end through the screw installation, 3 upper ends mid-mounting of backup pad have connecting device 4.
The connecting device 4 comprises a fixed frame 41, a fixed frame 42, a piston unit 43, an adjusting unit 44, an air inlet unit 45 and a sealing unit 46, wherein the number of the fixed frames 41 is two, the fixed frames 41 are connected through screws, through grooves are symmetrically arranged in the fixed frames 41, the fixed frames 42 are installed in the through grooves, arc-shaped grooves are formed in the fixed frames 42, the sealing units 46 are evenly installed on the inner concave surfaces of the fixed frames 42, the piston units 43 are evenly installed in the middle of the fixed frames 41, piston holes matched with the piston units 43 are formed in the fixed frames 41, connecting grooves communicated with the piston units 43 are formed in the fixed frames 41, the adjusting unit 44 is installed in the middle of the connecting grooves, the air inlet unit 45 is symmetrically installed on the outer sides of the connecting grooves, the air inlet unit 45 is communicated with the sealing unit 46, and during specific work, the electric power sheath pipe to be connected is manually placed in the fixed frames 42, the connection can be dismantled to the fixed mould 42, can be according to the fixed mould 42 of unidimensional according to the use needs, it admits air unit 45 and fixed mould 42 sealing connection to drive through regulating unit 44, rethread screw is fixed with two mount 41 locks, when piston unit 43 is at piston hole inside motion, piston unit 43 can drive gas filling inside sealed unit 46, sealed unit 46 can realize carrying out the function of sealed hugging closely to the electric power protecting pipe, guarantee the leakproofness of electric power protecting pipe coupling, prevent that moist steam from getting into inside the electric power protecting pipe, guarantee the security that wire and cable used, avoid wire and cable to take place the phenomenon of short circuit.
Fixed mould 42 middle part still install sealed frame, sealed frame cross-section is umbelliform structure, fixed mould 42 is semicircle ring type structure, specific during operation, sealed frame can protect electric power protective sheath pipe tip, takes place the phenomenon of deformation when preventing that the electric power protective sheath pipe from receiving the extrusion, guarantees the leakproofness of electric power protective sheath union coupling.
The piston unit 43 comprises a connecting plate 431, a connecting sleeve 432 and a piston head 433, the connecting plate 431 is mounted on the fixing frame 41 through a screw, the connecting sleeve 432 is mounted on the connecting plate 431, the piston head 433 is mounted on the inner side of the connecting sleeve 432, the piston head 433 is in interference fit with the piston hole, and when the piston head 433 moves downwards during specific work, the piston head 433 drives gas to move upwards through the connecting sleeve 432, so that the gas can completely enter the sealing unit 46, and the phenomenon of gas overflow is avoided.
Piston head 433 be cylindrical structure, piston head 433 middle part is linked together with connecting sleeve 432, the piston head 433 outside evenly is provided with the ring channel, installs the sealing washer in the ring channel, during specific work, when piston head 433 slides in the piston hole inside, the sealing washer can play sealed effect effectively, prevents that gas from taking place the phenomenon of leaking.
The adjusting unit 44 includes an adjusting seat 441, an adjusting rod 442 and an adjusting plate 443, the fixing frame 41 is provided with the adjusting seat 441 through a bearing, the adjusting seat 441 is provided with a hexagonal screw hole, the adjusting rod 442 is installed on the inner side of the adjusting seat 441, the adjusting plate 443 is installed on the adjusting rod 442, the adjusting plate 443 is of an oval structure, the outer side surface of the adjusting plate 443 is a smooth surface, the outer side of the adjusting plate 443 is tightly attached to the air inlet unit 45, during specific work, the adjusting seat 441 can drive the adjusting seat 441 to rotate through a wrench, the adjusting plate 443 can drive the adjusting plate 443 to rotate and adjust, the air inlet unit 45 can be outwards pressed out through the adjusting plate 443, and the air inlet unit 45 can be hermetically connected with the air inlet 461.
The air inlet unit 45 comprises an air inlet plate 451, a guide rod 452 and a connecting spring 453, the air inlet plate 451 is symmetrically installed inside the connecting groove in a sliding fit mode, the outer side of the air inlet plate 451 is connected with the connecting groove in a sealing mode, the middle of the air inlet plate 451 is tightly attached to the adjusting unit 44, the guide rod 452 is installed at the middle of the air inlet plate 451, the connecting spring 453 is arranged on the outer side of the guide rod 452, when the adjusting unit 44 presses the air inlet plate 451 during specific work, the air inlet plate 451 moves outwards, so that the air inlet plate 451 can drive the guide rod 452 to enter the air inlet 461, and the sealing performance of the air inlet 461 and the guide rod 452 is guaranteed.
The outside of guide bar 452 evenly install the annular frame, the guide bar 452 outside is provided with ring groove, the last rubber circle of installing of ring groove, the rubber circle can play sealed effect effectively, guarantees the leakproofness that guide bar 452 and air inlet 461 are connected.
The sealing unit 46 include air inlet 461, joint groove 462 and air bag 463, the fixed mould 42 on install the air inlet 461, the fixed mould 42 inboard is provided with joint groove 462, installs air bag 463 in the joint groove 462, air bag 463 is linked together with air inlet 461, during specific work, when gas gets into air bag 463 inside through air inlet 461, air bag 463 and then can fill the gap between protective sleeve and the fixed mould 42, guarantee the leakproofness that the electric power protective sleeve is connected.
Gasbag 463 make for flexible wear-resistant material, be provided with the cushion on the gasbag 463 medial surface, the cushion can play the effect of buffering, when gasbag 463 does not have gas, the cushion can drive gasbag 463 and withdraw inside joint groove 462.
The working steps of the invention during use are as follows:
the first step is as follows: selecting a proper fixed die 42 according to the use requirement, and installing the fixed die 42 in the fixed frame 41;
the second step is that: the adjusting seat 441 can be driven to rotate manually through a wrench, and the adjusting seat 441 can drive the adjusting plate 443 to rotate and adjust, so that the adjusting plate 443 can press the air inlet unit 45 outwards, and the air inlet unit 45 can be connected with the air inlet 461 in a sealing manner;
the third step: the electric power sheath pipe to be connected is placed inside the fixed die 42, the two fixed dies 41 are locked and fixed through screws, and when the piston unit 43 moves inside the piston hole, the piston head 433 drives gas to move upwards through the connecting sleeve 432, so that the gas can completely enter the sealing unit 46, and the phenomenon of gas overflow is avoided;
the fourth step: when gas gets into gasbag 463 inside through air inlet 461, gasbag 463 and then can fill the gap between sheath pipe and the fixed mould 42, guarantee the leakproofness of electric power sheath union coupling, prevent that moist steam from getting into inside the electric power sheath pipe, guarantee the security that wire and cable used, avoid wire and cable to take place the phenomenon of short circuit.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a utility tunnel's pipe connection device, includes mounting bracket (1), support frame (2), backup pad (3) and connecting device (4), its characterized in that: utility tunnel inner wall on evenly install mounting bracket (1) through the screw, evenly install support frame (2) through the screw on mounting bracket (1), backup pad (3) are installed through the screw in support frame (2) upper end, backup pad (3) upper end mid-mounting has connecting device (4), wherein:
the connecting device (4) comprises a fixing frame (41), a fixed die (42), piston units (43), an adjusting unit (44), an air inlet unit (45) and a sealing unit (46), wherein the number of the fixing frame (41) is two, the fixing frame (41) is connected with each other through screws, through grooves are symmetrically arranged in the fixing frame (41), the fixed die (42) is arranged in the through grooves, an arc-shaped groove is arranged in the fixed die (42), the sealing units (46) are uniformly arranged on the inner concave surface of the fixed die (42), the piston units (43) are uniformly arranged in the middle of the fixing frame (41), piston holes matched with the piston units (43) are arranged in the fixing frame (41), connecting grooves communicated with the piston units (43) are arranged in the fixing frame (41), the adjusting unit (44) is arranged in the middle of the connecting grooves, the air inlet unit (45) is symmetrically arranged outside the connecting grooves, the air inlet unit (45) is communicated with the sealing unit (46);
the piston unit (43) comprises a connecting plate (431), a connecting sleeve (432) and a piston head (433), the connecting plate (431) is installed on the fixing frame (41) through a screw, the connecting sleeve (432) is installed on the connecting plate (431), the piston head (433) is installed on the inner side of the connecting sleeve (432), and the piston head (433) is in interference fit with the piston hole;
the sealing unit (46) comprises an air inlet (461), a clamping groove (462) and an air bag (463), the air inlet (461) is installed on the fixed mold (42), the clamping groove (462) is arranged on the inner side of the fixed mold (42), the air bag (463) is installed in the clamping groove (462), and the air bag (463) is communicated with the air inlet (461).
2. The utility tunnel pipe connection of claim 1, wherein: adjusting element (44) including adjusting seat (441), adjusting pole (442) and regulating plate (443), mount (41) on install through the bearing and adjust seat (441), be provided with the hexagonal screw on adjusting seat (441), adjust pole (442) is installed to adjust seat (441) inboard, install regulating plate (443) on adjusting pole (442), regulating plate (443) are oval structure, regulating plate (443) lateral surface is the smooth surface, regulating plate (443) outside is hugged closely with air intake unit (45).
3. The utility tunnel pipe connection of claim 1, wherein: the air inlet unit (45) comprises an air inlet plate (451), a guide rod (452) and a connecting spring (453), the air inlet plate (451) is symmetrically installed inside the connecting groove in a sliding fit mode, the outer side of the air inlet plate (451) is connected with the connecting groove in a sealing mode, the middle of the air inlet plate (451) is tightly attached to the adjusting unit (44), the guide rod (452) is installed in the middle of the air inlet plate (451), and the connecting spring (453) is arranged on the outer side of the guide rod (452).
4. The utility tunnel pipe connection of claim 1, wherein: support frame (2) be L type structure, evenly be provided with the mounting hole on support frame (2), support frame (2) lower extreme mid-mounting has the reinforcing plate, the reinforcing plate is the triangle-shaped structure.
5. The utility tunnel pipe connection of claim 1, wherein: piston head (433) be cylindrical structure, piston head (433) middle part is linked together with connecting sleeve (432), piston head (433) outside evenly is provided with the ring channel, installs the sealing washer in the ring channel.
6. The utility tunnel pipe connection of claim 3, wherein: the outer side of the guide rod (452) is uniformly provided with an annular frame, the outer side of the guide rod (452) is provided with an annular clamping groove, and a rubber ring is arranged on the annular clamping groove.
7. The utility tunnel pipe connection of claim 1, wherein: the air bag (463) is made of flexible wear-resistant materials, and an elastic cushion is arranged on the inner side surface of the air bag (463).
8. The utility tunnel pipe connection of claim 1, wherein: the middle part of the fixed mould (42) is also provided with a sealing frame, the section of the sealing frame is of an umbrella-shaped structure, and the fixed mould (42) is of a semicircular structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110737401.5A CN113471921B (en) | 2021-06-30 | 2021-06-30 | Pipe connecting device of comprehensive pipe rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110737401.5A CN113471921B (en) | 2021-06-30 | 2021-06-30 | Pipe connecting device of comprehensive pipe rack |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113471921A true CN113471921A (en) | 2021-10-01 |
| CN113471921B CN113471921B (en) | 2022-06-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110737401.5A Active CN113471921B (en) | 2021-06-30 | 2021-06-30 | Pipe connecting device of comprehensive pipe rack |
Country Status (1)
| Country | Link |
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| CN (1) | CN113471921B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113982297A (en) * | 2021-12-02 | 2022-01-28 | 中国十七冶集团有限公司 | Intelligent protection device for building safety early warning and protective net installation method |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6377070A (en) * | 1986-09-20 | 1988-04-07 | Ricoh Co Ltd | Image density adjusting device of developing device |
| KR20080064265A (en) * | 2007-01-04 | 2008-07-09 | 한국델파이주식회사 | Panic assist booster for vehicles |
| KR101505061B1 (en) * | 2014-12-02 | 2015-03-25 | 이윤정 | Insulating Frame for Underground Distribution Line |
| CN105470876A (en) * | 2015-12-23 | 2016-04-06 | 浙江海洋学院 | Marine cable protector |
| CN206758972U (en) * | 2017-06-07 | 2017-12-15 | 山东远通线缆有限公司 | A kind of clamping and fixing device of cable |
| CN107947061A (en) * | 2017-12-18 | 2018-04-20 | 珠海格力电器股份有限公司 | Wire fixing device |
| CN108365581A (en) * | 2018-05-15 | 2018-08-03 | 贵州中安智慧城市建设有限公司 | Light current cable connects control system |
| CN110318422A (en) * | 2019-07-19 | 2019-10-11 | 长沙如洋环保科技有限公司 | A kind of Urban Underground pipe gallery |
| CN110544908A (en) * | 2019-09-23 | 2019-12-06 | 新昌县凌智机械有限公司 | Fixing device for cable with loosening warning and damage prevention functions |
| CN210510542U (en) * | 2019-10-14 | 2020-05-12 | 田野 | Urban gas engineering pipeline supporting device |
| CN112864988A (en) * | 2019-11-12 | 2021-05-28 | 湖南工业大学 | Locking and be convenient for cable fixing device for electrical system of installation that moves |
-
2021
- 2021-06-30 CN CN202110737401.5A patent/CN113471921B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6377070A (en) * | 1986-09-20 | 1988-04-07 | Ricoh Co Ltd | Image density adjusting device of developing device |
| KR20080064265A (en) * | 2007-01-04 | 2008-07-09 | 한국델파이주식회사 | Panic assist booster for vehicles |
| KR101505061B1 (en) * | 2014-12-02 | 2015-03-25 | 이윤정 | Insulating Frame for Underground Distribution Line |
| CN105470876A (en) * | 2015-12-23 | 2016-04-06 | 浙江海洋学院 | Marine cable protector |
| CN206758972U (en) * | 2017-06-07 | 2017-12-15 | 山东远通线缆有限公司 | A kind of clamping and fixing device of cable |
| CN107947061A (en) * | 2017-12-18 | 2018-04-20 | 珠海格力电器股份有限公司 | Wire fixing device |
| CN108365581A (en) * | 2018-05-15 | 2018-08-03 | 贵州中安智慧城市建设有限公司 | Light current cable connects control system |
| CN110318422A (en) * | 2019-07-19 | 2019-10-11 | 长沙如洋环保科技有限公司 | A kind of Urban Underground pipe gallery |
| CN110544908A (en) * | 2019-09-23 | 2019-12-06 | 新昌县凌智机械有限公司 | Fixing device for cable with loosening warning and damage prevention functions |
| CN210510542U (en) * | 2019-10-14 | 2020-05-12 | 田野 | Urban gas engineering pipeline supporting device |
| CN112864988A (en) * | 2019-11-12 | 2021-05-28 | 湖南工业大学 | Locking and be convenient for cable fixing device for electrical system of installation that moves |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113982297A (en) * | 2021-12-02 | 2022-01-28 | 中国十七冶集团有限公司 | Intelligent protection device for building safety early warning and protective net installation method |
| CN113982297B (en) * | 2021-12-02 | 2023-03-14 | 中国十七冶集团有限公司 | Intelligent protection device for building safety early warning and protection net installation method |
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| Publication number | Publication date |
|---|---|
| CN113471921B (en) | 2022-06-07 |
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Effective date of registration: 20220517 Address after: 518000 No. 0169 Qianhai Road, Nanshan Street, Nanshan District, Shenzhen City, Guangdong Province Applicant after: The Second Construction Company Ltd of China Construction Second Bureau Address before: 471099 No. 402, gate 2, building 11, Wangcheng Zhizhu community, Wangcheng Avenue, Xigong District, Luoyang City, Henan Province Applicant before: Chen Xiaofeng |
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