CN112103893B - Supplementary partial pressure formula cable pit - Google Patents
Supplementary partial pressure formula cable pit Download PDFInfo
- Publication number
- CN112103893B CN112103893B CN202010966242.1A CN202010966242A CN112103893B CN 112103893 B CN112103893 B CN 112103893B CN 202010966242 A CN202010966242 A CN 202010966242A CN 112103893 B CN112103893 B CN 112103893B
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- plate
- voltage division
- cover plate
- sliding
- shaped pressing
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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
- H02G9/02—Installations of electric cables or lines in or on the ground or water laid directly in or on the ground, river-bed or sea-bottom; Coverings therefor, e.g. tile
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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
- H02G9/02—Installations of electric cables or lines in or on the ground or water laid directly in or on the ground, river-bed or sea-bottom; Coverings therefor, e.g. tile
- H02G9/025—Coverings therefor, e.g. tile
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- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
Abstract
The invention discloses an auxiliary voltage division type cable trench which comprises a trench body, a cover plate and two side plates, wherein a limiting cylinder is fixedly arranged in the trench body, a sliding plate is arranged in the limiting cylinder in a sealing and sliding mode, a T-shaped plate is fixedly connected onto the sliding plate, two L-shaped pressing plates are symmetrically arranged on the upper surface of the T-shaped plate, a voltage division plate is fixedly supported between the two side plates, a bag body is placed on the voltage division plate, the two L-shaped pressing plates respectively comprise a horizontal section and a vertical section, the horizontal sections of the two L-shaped pressing plates are located above the bag body, the vertical section of each L-shaped pressing plate penetrates through the voltage division plate in a sliding mode, and a trigger mechanism is further arranged in one of the side plates. The device does not influence the ventilation of the cable trench under the condition of no vehicle passing, and when a vehicle passes through the cover plate, the device can automatically and rigidly support the middle part of the cover plate, so that the structure of the cover plate is prevented from being damaged.
Description
Technical Field
The invention relates to the technical field of electric power protection equipment, in particular to an auxiliary voltage division type cable trench.
Background
Along with the improvement of city planning, when laying power cable remotely, lay power cable with the form of cable pit usually, after power cable lays, constructor can use the apron of materials such as thick steel plate, concrete placement board, composite sheet to seal the cable pit, good water-proof effects can be realized to this kind of closed mode, but has reduced the air permeability of cable pit, in high temperature weather, especially in the great summer of power consumption load, power cable's the generating heat is comparatively serious, and conductor temperature's rising can lead to its resistance to increase, thereby further aggravate generating heat of power cable, form vicious circle, not only increased power cable's ageing speed, still increased the probability that the conflagration takes place.
Consequently, current cable pit can choose for use the apron that has lattice structure when the construction, guarantee the air permeability in the cable pit, then increase drainage structures and fill up stifled fire prevention material in the cable pit, ensure that power cable can normally work, but lattice structure can lead to the reduction of apron intensity, when the apron bears the pressure of vehicle for a long time, obvious deformation can appear in the structure of apron, when the width of cable pit is great, the apron middle part does not have the support part and more is difficult to bear the pressure that the vehicle went and brings, for this reason, we provide an auxiliary partial pressure formula cable pit.
Disclosure of Invention
The invention aims to solve the problems that the strength of a cover plate is reduced due to a grid structure in the prior art, and the structure of the cover plate is obviously deformed when the cover plate bears the pressure of a vehicle for a long time, and provides an auxiliary voltage division type cable duct.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an auxiliary voltage-dividing type cable pit, includes the ditch body, apron and two curb plates, the internal fixed spacing section of thick bamboo that is provided with of ditch, the sealed slip of spacing section of thick bamboo is provided with the sliding plate, fixedly connected with T-shaped plate on the sliding plate, and the last surface symmetry of T-shaped plate installs two L shape clamp plates, two fixed support has the voltage-dividing plate between the curb plate, placed the utricule on the voltage-dividing plate, two the L shape clamp plate all includes horizontal segment and vertical section, two the horizontal segment of L shape clamp plate all is located the top of utricule, every the vertical section of L shape clamp plate all slides and runs through the voltage-dividing plate, one of them still is equipped with trigger mechanism in the curb plate.
Preferably, the trigger mechanism comprises a vertical groove formed in the side plate, a conductive coil is uniformly wound on the outer side of the vertical groove, a magnetic sliding plug is arranged in the vertical groove in a sealing and sliding mode, and a bent pipe is communicated between the lower end of the vertical groove and the limiting barrel.
Preferably, the capsule body is filled with electrorheological fluid, and the electrorheological fluid is electrically connected with the conductive coil.
Preferably, a waterproof groove is formed in the side plate, a supporting rod is arranged in the waterproof groove in a sealing and sliding mode, the upper end of the supporting rod penetrates through the corresponding side plate and extends to the upper portion of the groove body, a blocking rod is connected to the side wall of the cover plate in a rotating mode through a rotating shaft, and one end, far away from the rotating shaft, of the blocking rod is connected with the top end of the supporting rod in a sliding mode.
Preferably, a pressure-resistant pipe is communicated between the lower end of the waterproof groove and the upper end of the vertical groove.
The invention has the beneficial effects that:
1. under the current condition of no car, utricule and apron separation do not influence the air permeability of apron, ensure that the internal heat dissipation condition of ditch is good to when the staff gets into the cable pit, only need take out the utricule, then lift the branch clamp plate can, do not influence the staff current.
2. Through setting up devices such as perpendicular groove, magnetism sliding plug, conductive coil, minute clamp plate, utilize electromagnetic induction phenomenon to produce induced-current in making the conductive coil to change the form of electrorheological fluids in the twinkling of an eye, make it change from liquid state into solid-state, play the effect of rigid support to the middle part of apron, avoid apron middle part to take place deformation under the automobile body action of gravity.
3. Utilize the branch clamp plate to shift the pressure that the apron received and can play the guard action to the apron, avoid after long-time the use, obvious deformation appears in the structure of apron, prolong the life of apron by a wide margin.
4. Through the arrangement of the waterproof groove, the supporting rod, the blocking rod and the like, when the magnetic sliding plug slides upwards, the supporting rod can be pushed to move upwards, so that the blocking rod is lifted, the vehicle is prevented from continuously running along the cover plate, the vehicle is forced to run away from the cover plate, and the cover plate structure is protected from being damaged.
Drawings
Fig. 1 is a schematic front structural view of an auxiliary voltage-dividing cable trench according to embodiment 1 of the present invention;
fig. 2 is a schematic front structural view of an auxiliary voltage-dividing cable trench according to embodiment 2 of the present invention;
fig. 3 is a schematic side view of the vertical groove and the waterproof groove in embodiment 2 of the auxiliary voltage-dividing cable trench according to the present invention;
fig. 4 is a schematic front structural view of an auxiliary voltage-dividing cable trench according to embodiment 2 of the present invention when a shift lever is lifted;
fig. 5 is a top view of a cover plate and a stopper rod of an auxiliary voltage-dividing cable duct according to embodiment 2 of the present invention.
In the figure: the device comprises a cover plate 1, a capsule body 2, a 3L-shaped pressing plate, a side plate 4, a partial pressing plate 5, a sliding plate 6, a limiting cylinder 7, a T-shaped plate 8, a bent pipe 9, a magnetic sliding plug 10, a vertical groove 11, a conductive coil 12, a stop lever 13, a pressure-resistant pipe 14, a supporting rod 15 and a waterproof groove 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1
Referring to fig. 1, an auxiliary voltage division type cable pit, including the ditch body, apron 1 and two curb plates 4, the internal fixed spacing section of thick bamboo 7 that is provided with of ditch, the internal seal of spacing section of thick bamboo 7 slides and is provided with sliding plate 6, fixedly connected with T shaped plate 8 on the sliding plate 6, and two L shape clamp plates 3 are installed to the upper surface symmetry of T shaped plate 8, fixed stay has between two curb plates 4 and divides clamp plate 5, divide clamp plate 5 to have placed utricule 2, two L shape clamp plates 3 all include horizontal segment and vertical section, the horizontal segment of two L shape clamp plates 3 all is located utricule 2's top, the vertical section of every L shape clamp plate 3 all slides and runs through branch clamp plate 5, still be equipped with trigger mechanism in one of them curb plate 4.
In this embodiment, the trigger mechanism includes the perpendicular groove 11 of seting up in curb plate 4, erect the groove 11 outside and evenly around being equipped with conductive coil 12, conductive coil 12 only is located the first half of perpendicular groove 11, erect the inslot 11 and seal the slip and be provided with magnetism sliding plug 10, it has return bend 9 to erect to communicate between the lower extreme of groove 11 and the spacing section of thick bamboo 7, the volume of erecting groove 11 is roughly equal with the volume of spacing section of thick bamboo 7, the upper end of erecting groove 11 is linked together with external world or the ditch body, avoid the pressure above magnetism sliding plug 10 to take place obvious change.
In this embodiment, the capsule 2 is filled with electrorheological fluid, and the electrorheological fluid is electrically connected with the conductive coil 12, and the electrorheological fluid and the conductive coil form a closed loop together, and a protection resistor is connected in series in the closed loop.
The present embodiment can illustrate the functional principle thereof by the following operation modes: because the automobile body contains a large amount of ferromagnetic metal, when the automobile runs on the cover plate 1, the magnetic sliding plug 10 can rapidly slide upwards along the vertical groove 11 under the action of a magnetic field, gas above the magnetic sliding plug 10 is extruded to the outside or the inside of a ditch, and the pressure intensity of a space below the magnetic sliding plug 10 is reduced;
because the vertical groove 11 is communicated with the limiting cylinder 7 through the bent pipe 9, the sliding plate 6 in the limiting cylinder 7 can drive the two L-shaped pressing plates 3 to move downwards through the T-shaped plate 8, so that the two sides of the capsule body 2 are extruded, the middle part of the capsule body 2 is bulged upwards, and the middle part of the cover plate 1 is supported;
because the conductive coil 12 is wound on the upper half part of the vertical slot 11, when the magnetic sliding plug 10 is close to the conductive coil 12, the intensity of a magnetic field passing through the conductive coil 12 can be obviously changed, according to the Faraday's law of electromagnetic induction, induced current can be generated in a closed loop where the conductive coil 12 is located, namely, electrorheological fluid in the capsule body 2 is simultaneously introduced with current, when the magnetic sliding plug 10 rapidly passes through the conductive coil 12, the magnitude of the induced current exceeds the critical value of the electrorheological fluid, the form of the electrorheological fluid can be changed from a liquid state to a solid state, at the moment, the cover plate 1, the capsule body 2 and the voltage division plate 5 are fixedly connected, the capsule body 2 plays a role of rigid support for the middle part of the cover plate 1, and the cover plate 1 is prevented from being deformed by vehicle pressure;
after a vehicle passes through the cover plate 1, under the action of the gravity of the magnetic sliding plug 10, the deformation force of the capsule body 2 and the like, the device recovers to an initial state, the capsule body 2 is separated from the cover plate 1 again, the ventilation performance of the cover plate 1 is not affected, and it should be noted that if the resetting speed of each component is improved, a spring can be welded between the sliding plate 6 and the limiting cylinder 7, and the components such as the sliding plate 6, the T-shaped plate 8 and the like can be quickly reset by utilizing the deformation force of the spring.
Example 2
Referring to fig. 2 to 5, the present embodiment is different from embodiment 1 in that: waterproof grooves 16 are formed in the side plates 4, supporting rods 15 are arranged in the waterproof grooves 16 in a sealing and sliding mode, the upper ends of the supporting rods 15 penetrate through the corresponding side plates 4 and extend to the upper portion of the groove body, a blocking rod 13 is connected to the side wall of the cover plate 1 in a rotating mode through a rotating shaft, one end, far away from the rotating shaft, of the blocking rod 13 is connected with the top end of the supporting rod 15 in a sliding mode, the blocking rod 13 is located between two adjacent cover plates 1, and the blocking rod 13 is flush with the cover plates 1.
In this embodiment, a pressure-resistant pipe 14 is communicated between the lower end of the waterproof groove 16 and the upper end of the vertical groove 11, and the pressure-resistant pipe 14 is a rigid PVC pipe.
The present embodiment can illustrate the functional principle thereof by the following operation modes: the upper end of the vertical groove 11 is communicated with the bottom of the waterproof groove 16 through the pressure-resistant pipe 14, so that when the magnetic sliding plug 10 slides upwards, gas above the magnetic sliding plug 10 is extruded into the waterproof groove 16 and pushes the support rod 15 to move upwards, so that the support rod 15 pushes the stop lever 13 to rotate, and as shown in fig. 4, the stop lever 13 can limit a vehicle and force the vehicle to drive away from the cover plate 1;
it should be noted that, the vertical groove 11 is at a certain distance from the waterproof groove 16, so as to avoid the driver from colliding with the shift lever 13 due to untimely braking.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (3)
1. An auxiliary voltage division type cable trench comprises a trench body, a cover plate (1) and two side plates (4), and is characterized in that a limiting cylinder (7) is fixedly arranged in the trench body, a sliding plate (6) is arranged in the limiting cylinder (7) in a sealing and sliding manner, a T-shaped plate (8) is fixedly connected onto the sliding plate (6), two L-shaped pressing plates (3) are symmetrically arranged on the upper surface of the T-shaped plate (8), a voltage division plate (5) is fixedly supported between the two side plates (4), a capsule body (2) is placed on the voltage division plate (5), the two L-shaped pressing plates (3) respectively comprise a horizontal section and a vertical section, the horizontal sections of the two L-shaped pressing plates (3) are respectively positioned above the capsule body (2), the vertical section of each L-shaped pressing plate (3) respectively penetrates through the voltage division plate (5) in a sliding manner, and a gap exists between the capsule body (2) and the cover plate (1), a trigger mechanism is further arranged in one side plate (4);
the trigger mechanism comprises a vertical groove (11) arranged in the side plate (4), a conductive coil (12) is uniformly wound on the outer side of the vertical groove (11), a magnetic sliding plug (10) is arranged in the vertical groove (11) in a sealing and sliding manner, and a bent pipe (9) is communicated between the lower end of the vertical groove (11) and the limiting cylinder (7);
the capsule body (2) is filled with electrorheological fluid, and the electrorheological fluid is electrically connected with the conductive coil (12).
2. The auxiliary voltage-dividing cable trench according to claim 1, wherein a waterproof groove (16) is formed in the side plate (4), a supporting rod (15) is installed in the waterproof groove (16) in a sealing and sliding manner, the upper end of the supporting rod (15) penetrates through the corresponding side plate (4) and extends to the upper side of the trench body, a stop lever (13) is rotatably connected to the side wall of the cover plate (1) through a rotating shaft, and one end, far away from the rotating shaft, of the stop lever (13) is slidably connected with the top end of the supporting rod (15).
3. The auxiliary voltage-dividing cable trench as claimed in claim 2, wherein a pressure-resistant pipe (14) is connected between the lower end of the waterproof groove (16) and the upper end of the vertical groove (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010966242.1A CN112103893B (en) | 2020-09-15 | 2020-09-15 | Supplementary partial pressure formula cable pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010966242.1A CN112103893B (en) | 2020-09-15 | 2020-09-15 | Supplementary partial pressure formula cable pit |
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| CN112103893A CN112103893A (en) | 2020-12-18 |
| CN112103893B true CN112103893B (en) | 2021-12-07 |
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| CN202010966242.1A Active CN112103893B (en) | 2020-09-15 | 2020-09-15 | Supplementary partial pressure formula cable pit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112687939B (en) * | 2020-12-28 | 2022-11-01 | 重庆遨博智能科技研究院有限公司 | New energy automobile lithium battery cell snatchs conveying robot |
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| FR2620419B1 (en) * | 1987-09-16 | 1993-05-07 | Alsthom Cgee | INSTALLATION FOR CREATING MAGNETIC FIELDS FOR MAGNETIC PROCESSING OF VESSELS |
| KR100893084B1 (en) * | 2008-10-29 | 2009-04-14 | (주)대진방재 | A power cable trech of apartment buildings |
| RU2489631C2 (en) * | 2011-09-16 | 2013-08-10 | Валерий Павлович Максимов | Method to build complex of pipelines |
| CN205610168U (en) * | 2016-05-17 | 2016-09-28 | 中国长江电力股份有限公司 | Novel transparent toughened glass cable trench cover |
| CN207320695U (en) * | 2017-03-23 | 2018-05-04 | 天津市志业陆机械设备有限公司 | Cable channel cover plate press equipment |
| CN206931976U (en) * | 2017-03-24 | 2018-01-26 | 天津市志业陆机械设备有限公司 | The strong cable channel cover plate of anti-pressure ability |
| CN108385764A (en) * | 2018-03-15 | 2018-08-10 | 长安大学 | A kind of novel excavator cab protecting against shock vibration absorber |
| CN208209491U (en) * | 2018-06-05 | 2018-12-07 | 徐小玲 | A kind of reinforcement type composite material cable channel cover plate |
| CN109167322B (en) * | 2018-09-07 | 2020-12-29 | 国网山东省电力公司蓬莱市供电公司 | Telescopic cable trench cover support frame |
| CN109665184B (en) * | 2019-03-06 | 2020-09-04 | 铜陵金建投资发展有限公司 | Foamed plastic packing box convenient for low-temperature storage |
| CN209516517U (en) * | 2019-03-31 | 2019-10-18 | 河北晟德金瑞橡塑科技有限公司 | A kind of SMC cable trough with compression-resistant structure |
| CN209658839U (en) * | 2019-04-23 | 2019-11-19 | 郑州正凯电力设备有限公司 | A kind of efficient and convenient common box type enclosed busbar slot |
| CN210430753U (en) * | 2019-10-14 | 2020-04-28 | 重庆昌先科技有限公司 | Multi-functional integrated maintenance device of electronic product maintenance usefulness |
| CN112573321A (en) * | 2019-11-14 | 2021-03-30 | 徐蒙 | Emergency anti-falling system and method for building construction elevator |
| CN111287105A (en) * | 2020-02-28 | 2020-06-16 | 雷新刚 | Novel multifunctional deceleration strip |
| CN111627358A (en) * | 2020-05-10 | 2020-09-04 | 田园园 | Self-cleaning outdoor advertising board |
| CN111555141B (en) * | 2020-06-07 | 2021-02-23 | 胜利油田大源节能设备有限公司 | Outdoor power distribution cabinet with quick self-extinguishing function |
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Effective date of registration: 20211116 Address after: 450001 100 Wutong street, Zhengzhou new and high tech Zone, Henan Applicant after: Technical information center of State Power Investment Group Henan Electric Power Co., Ltd Applicant after: State Power Investment Group Henan Electric Power Co., Ltd Address before: 518101 201 / 208, building 4, xueziwei District B, Yabian community, Shajing street, Bao'an District, Shenzhen City, Guangdong Province Applicant before: Xiao Honghui |
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