CN107227752A - A kind of cable well construction - Google Patents
A kind of cable well construction Download PDFInfo
- Publication number
- CN107227752A CN107227752A CN201710438485.6A CN201710438485A CN107227752A CN 107227752 A CN107227752 A CN 107227752A CN 201710438485 A CN201710438485 A CN 201710438485A CN 107227752 A CN107227752 A CN 107227752A
- Authority
- CN
- China
- Prior art keywords
- cylinder body
- vertical
- cable
- well lid
- well
- 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
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/14—Covers for manholes or the like; Frames for covers
- E02D29/1427—Locking devices
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/14—Covers for manholes or the like; Frames for covers
- E02D29/149—Annular gaskets
Abstract
The invention discloses a kind of cable well construction, it is desirable to provide a kind of to be prevented effectively from because the ponding in cable shaft ponding and cable shaft be discharged in time, and cable well construction the problem of influence cable running safety.It includes the cable manhole lid device for being arranged on the vertical shaft of road surface and being arranged on the well head of vertical shaft, cable manhole lid device includes seat ring and well lid, seat ring is embedded in the well head of vertical shaft, and seat ring includes annular seat board and the vertical stop collar being arranged on annular seat board upper surface.The upper surface of annular seat board is simultaneously provided with annular sealing gaskets in vertical stop collar.Well lid is arranged in vertical stop collar.The lower sidewall of vertical shaft is provided with main osculum and the assisted drainage hole of the interior lateral surface through vertical shaft, main osculum is connected by main drainage pipeline with the drainage pipeline of road, the height of main osculum position is higher than the height of drainage pipeline position, and assisted drainage hole is connected by assisted drainage pipeline with the drainage pipeline of road.
Description
Technical field
The present invention relates to a kind of power cable well, and in particular to a kind of cable well construction.
Background technology
With continuing to develop for power grid construction, the demand of power cable increasingly increases, and cable shaft is widely used in cable
In laying.The problem of ponding in cable shaft ponding, cable shaft can not be discharged in time often occurs in current cable shaft.Cable
After well ponding, the safe operation of cable can be influenceed, potential safety hazard is produced.
On the other hand, the steal phenomenon of cable well lid also constantly occurs, and the stolen of cable well lid not only results in cable shaft
The loss of lid itself, and the cable in cable shaft can be caused exposed, easily destroyed, and if lacking the cable shaft of well lid not
Find in time, potential safety hazard can be brought to pedestrian and vehicle.
The content of the invention
The first object of the present invention is to be prevented effectively from there is provided a kind of because of the product in cable shaft ponding and cable shaft
Water can not be discharged in time, and cable well construction the problem of influence cable running safety.
The second object of the present invention be to provide for one kind can be prevented effectively from cable well lid be stolen, and produce cable outside
The cable well construction for the problem of revealing, be easily destroyed and potential safety hazard can be brought to pedestrian and vehicle.
The technical scheme is that：
A kind of cable well construction, including be arranged on the vertical shaft of road surface and be arranged on the well head of vertical shaft for sealing screening well head
Cable manhole lid device, the cable manhole lid device includes seat ring and well lid, and seat ring is embedded in the well head of vertical shaft, and seat ring includes ring
Shape seat board and the vertical stop collar being arranged on annular seat board upper surface, the upper surface of the annular seat board are simultaneously located at vertical spacing
Annular sealing gaskets is provided with set, the well lid is arranged in vertical stop collar, and the lower surface of well lid abuts against ring packing
On pad；The lower sidewall of the vertical shaft is provided with main osculum and the assisted drainage hole of the interior lateral surface through vertical shaft, the master
Osculum is located at the lower section in assisted drainage hole, and the main osculum is connected by main drainage pipeline with the drainage pipeline of road,
And the height of main osculum position is higher than the height of drainage pipeline position, the assisted drainage hole passes through assisted drainage
Pipeline is connected with the drainage pipeline of road.
The cable well construction of this programme between the seat ring and well lid of cable manhole lid device on the one hand by setting annular close
Gasket, forms sealing between seat ring and well lid, is entered so as to be prevented effectively from rainwater by the well head of cable shaft in cable shaft, made
The problem of into cable shaft ponding；On the other hand, by main osculum and main drainage pipeline timely by the ponding in cable shaft
Be discharged in the drainage pipeline of road, if main osculum or main drainage pipeline are blocked, can also by assisted drainage hole with
Ponding in cable shaft is discharged in the drainage pipeline of road by assisted drainage pipeline, it is to avoid the ponding in cable shaft floods cable
Cable in well；So as to be prevented effectively from because the ponding in cable shaft ponding and cable shaft can not be discharged in time, and influence cable
The problem of safe operation.
Preferably, the first check valve is provided between main osculum and main drainage pipeline, the assisted drainage hole and auxiliary
The second check valve is provided between drainage pipeline.
First check valve and the second check valve of this programme water in drainage pipeline can be avoided by main drainage pipeline or
Assisted drainage pipeline pours in down a chimney into cable shaft.
Preferably, the side wall of vertical shaft is provided with the cable via of some interior lateral surfaces through vertical shaft, and cable via
The height of position is higher than the height of assisted drainage hole position.
Screen pack also is provided with preferably, being provided with main osculum in screen pack, the assisted drainage hole.
Preferably, also include triggering performs device, flexible buffer device and at least one Anti-theft locking mechanism, it is described
The lower surface of well lid is provided with well lid groove, and the triggering performs device includes controlled valve, is arranged on the bottom surface of well lid groove
On vertical execution cylinder body, be slidably arranged in the vertical execution piston performed in cylinder body, be arranged on and vertical perform cylinder body lateral surface
On the first execution cylinder body interface and the second execution cylinder body interface, the frizzen via being arranged on vertical execution cylinder body lower surface
And the vertical vertical frizzen performed on cylinder body lower surface is arranged on, perform cylinder body interface and be located at the top for performing piston, vertically
The lower end of frizzen passes through frizzen via；The flexible buffer device includes the vertical cushion dashpot on the bottom surface of well lid groove
Body, the damper piston being slidably arranged in vertical cushion dashpot body, it is arranged in vertical cushion dashpot body and below damper piston
Pretension compression spring, be arranged on crossing vent hole and being arranged on vertical cushion dashpot outside top for vertical buffering cylinder body lower end
The import of buffering cylinder body and the outlet of buffering cylinder body, buffering cylinder body import is respectively positioned on the top of damper piston with the outlet of buffering cylinder body；
The level that the Anti-theft locking mechanism includes being arranged on the bottom surface of well lid groove locks cylinder body, is slidably arranged in horizontal locking cylinder
Internal latching ram, it is arranged on latching ram and locks the coaxial check lock lever of cylinder body with level, is set on check lock lever
Latching ram back-moving spring, it is arranged on the side of well lid groove and the check lock lever via corresponding with check lock lever and is arranged on perpendicular
On the medial surface of straight stop collar and the check lock lever annular spacing groove corresponding with check lock lever, one end of level locking cylinder body is provided with wearing
Rod through-hole, the other end of level locking cylinder body is provided with locking cylinder body interface, and bar through hole is located at the same of latching ram with check lock lever
Side；It is connected between the first execution cylinder body interface and the import of controlled valve by the first pipeline, second performs cylinder body
It is connected between interface and buffering cylinder body import by second pipe, the is passed through between locking cylinder body interface and the outlet of buffering cylinder body
Three pipelines are connected.
This programme cable shaft is easy for installation, with good anti-theft feature, can be prevented effectively from cable well lid and be stolen, and produces
Cable it is exposed, easily destroyed and the problem of potential safety hazard can be brought to pedestrian and vehicle.
Preferably, the lower end of vertical frizzen is provided with horizontal struts, horizontal struts are located at the vertical lower section for performing cylinder body.
Preferably, the medial surface of buffering cylinder body is provided with cylinder body limited block vertically, cylinder body limited block is located at damper piston
Top, the buffering cylinder body import is respectively positioned on the top of cylinder body limited block with the outlet of buffering cylinder body.
The beneficial effects of the invention are as follows：
First, can be prevented effectively from because the ponding in cable shaft ponding and cable shaft can not be discharged in time, and influence cable safety
The problem of operation.
Second, with good anti-theft feature, cable well lid can be prevented effectively from and be stolen, and the cable produced is exposed, easy quilt
The problem of destroying and potential safety hazard can be brought to pedestrian and vehicle.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the cable well construction of embodiments of the invention 1.
Fig. 2 is the partial enlarged drawing at A in Fig. 1.
Fig. 3 is a kind of partial structural diagram of the cable well construction of embodiments of the invention 2.
Fig. 4 is the partial enlarged drawing at B in Fig. 3.
Fig. 5 is the partial enlarged drawing at C in Fig. 3.
In figure：
Vertical shaft 1, well head 1.1, cable via 1.2, main osculum 1.3, assisted drainage hole 1.4, the first check valve 1.5, main draining
Pipeline 1.6, the second check valve 1.7, assisted drainage pipeline 1.8；
Cable manhole lid device 2, seat ring 2.1, annular seat board 2.11, vertical stop collar 2.12, well lid 2.2, well lid groove 2.21, ring
Shape gasket seal 2.3；
Performs device 3 is triggered, controlled valve 3.1, the first pipeline 3.2 is vertical to perform cylinder body 3.3, performs piston 3.4, vertical to touch
Send out bar 3.5, horizontal struts 3.6, the first execution cylinder body interface 3.7, the second execution cylinder body interface 3.8；
Flexible buffer device 4, vertical buffering cylinder body 4.1, damper piston 4.2 crosses vent hole 4.3, cylinder body limited block 4.4, pretension
Compression spring 4.5, buffering cylinder body import 4.6, second pipe 4.7, buffering cylinder body outlet 4.8；
Anti-theft locking mechanism 5, level locking cylinder body 5.1, latching ram 5.2, latching ram back-moving spring 5.3, check lock lever 5.4,
Check lock lever via 5.5, check lock lever annular spacing groove 5.6 locks cylinder body interface 5.7, the 3rd pipeline 5.8.
Embodiment
The present invention is described in further detail with embodiment below in conjunction with the accompanying drawings：
Embodiment 1：As shown in Figure 1 and Figure 2, a kind of cable well construction, including be arranged on the vertical shaft 1 of road surface and be arranged on perpendicular
It is used to seal the cable manhole lid device 2 for hiding well head on the well head 1.1 of well.Cable manhole lid device includes seat ring 2.1 and well lid 2.2.Seat
Circle is embedded in the well head of vertical shaft.Seat ring includes annular seat board 2.11 and the vertical stop collar being arranged on annular seat board upper surface
2.12.Vertical stop collar covers for circle.The upper surface of annular seat board is simultaneously provided with annular sealing gaskets 2.3 in vertical stop collar.
Well lid is rounded.Well lid is arranged in vertical stop collar, and the lower surface of well lid is abutted against in annular sealing gaskets.
The side wall of vertical shaft is provided with the cable via 1.2 of some interior lateral surfaces through vertical shaft.The lower sidewall of vertical shaft is set
There are main osculum 1.3 and the assisted drainage hole 1.4 of the interior lateral surface for running through vertical shaft.Main osculum is located under assisted drainage hole
Side.The height of each cable via position is higher than the height of assisted drainage hole position.Screen pack is provided with main osculum.
Assisted drainage also is provided with screen pack in hole.
Main osculum is connected by main drainage pipeline 1.6 with the drainage pipeline of road, and main osculum position
Highly it is higher than the height of drainage pipeline position.Assisted drainage hole passes through assisted drainage pipeline 1.8 and the drainage pipeline of road
It is connected.The first check valve 1.5 is provided between main osculum and main drainage pipeline.Between assisted drainage hole and assisted drainage pipeline
Provided with the second check valve 1.7.
Embodiment 2, remaining structure of the present embodiment is with reference to embodiment 1, and its difference is：
As shown in figure 3, a kind of cable well construction, in addition to triggering performs device 3, flexible buffer device 4 and three theftproof locks
Tight device 5.The lower surface of well lid is provided with well lid groove 2.21, the circular in cross-section of well lid groove.
As shown in Figure 3, Figure 4, triggering performs device includes controlled valve 3.1, is arranged on erecting on the bottom surface of well lid groove
Cylinder body 3.3 is directly performed, the vertical execution piston 3.4 performed in cylinder body is slidably arranged in, is arranged on vertical execution cylinder body lateral surface
On the first execution cylinder body interface 3.7 and second perform cylinder body interface 3.8, the triggering being arranged on vertical execution cylinder body lower surface
Bar via and the vertical frizzen 3.5 being arranged on vertical execution cylinder body lower surface.Perform cylinder body interface and be located at execution piston
Top.The lower end of vertical frizzen is through frizzen via and positioned at the vertical lower section for performing cylinder body.The lower end of vertical frizzen
Provided with horizontal struts 3.6, horizontal struts are located at the vertical lower section for performing cylinder body.
It is connected between first execution cylinder body interface and the import of controlled valve by the first pipeline 3.2.First pipeline is
The first pipeline is metal hose in flexible pipe, the present embodiment.
Vertical buffering cylinder body 4.1 on the bottom surface of flexible buffer device including well lid groove, it is slidably arranged in vertical buffering
Damper piston 4.2 in cylinder body, be arranged on pretension compression spring 4.5 in vertical cushion dashpot body and below damper piston,
The vent hole 4.3 excessively for being arranged on vertical buffering cylinder body lower end and the buffering cylinder body for being arranged on vertical cushion dashpot outside top enter
Mouth 4.6 and buffering cylinder body outlet 4.8.Buffering cylinder body import is respectively positioned on the top of damper piston with the outlet of buffering cylinder body.It is vertical slow
The medial surface for rushing cylinder body is provided with cylinder body limited block 4.4.Cylinder body limited block is located at the top of damper piston.Buffer cylinder body import with
The outlet of buffering cylinder body is respectively positioned on the top of cylinder body limited block.
It is connected between second execution cylinder body interface and buffering cylinder body import by second pipe 4.7.
As shown in Fig. 3, Fig. 5, three Anti-theft locking mechanisms are circumferentially uniform around the center of well lid.Anti-theft locking mechanism includes setting
Put on the bottom surface of well lid groove level locking cylinder body 5.1, be slidably arranged in level locking cylinder body in latching ram 5.2,
It is arranged on latching ram and locks the coaxial check lock lever 5.4 of cylinder body, the latching ram being set on check lock lever with level and resets
Spring 5.3, it is arranged on the side of well lid groove and the check lock lever via 5.5 corresponding with check lock lever and is arranged on vertical spacing
On the medial surface of set and the check lock lever annular spacing groove 5.6 corresponding with check lock lever.The lateral surface phase of check lock lever via and well lid
Connection.
Level locks axis the radially extending along well lid of cylinder body.One end of level locking cylinder body is provided with bar through hole, water
The other end of flat locking cylinder body is provided with locking cylinder body interface 5.7.Bar through hole is located at the same side of latching ram with check lock lever.Lock
Tight bar passes through corresponding bar through hole.Check lock lever annular spacing groove is blind hole.When the lower surface of well lid is against the upper of annular seat board
When on surface：Check lock lever is located at sustained height with check lock lever annular spacing groove.
It is connected between locking cylinder body interface and the outlet of buffering cylinder body by the 3rd pipeline 5.8.
The cable well construction of the present embodiment it is specifically used as follows：
First piping laying is stretched into vertical shaft in ground end, the first end of the first pipeline；Second end of the first pipeline and controlled valve
Import be connected.Controlled valve is arranged on by road（By road where vertical shaft）Earth's surface above, controlled valve can be straight
Connect and exposed outside or be arranged in protective housing.
Before well lid is installed on seat ring, the first end of the first pipeline in vertical shaft is connect with the first execution cylinder body
Mouth is connected, and closing switch valve；Then, well lid is installed on seat ring.
During well lid is installed on seat ring, after check lock lever enters in vertical stop collar, horizontal struts are supported will be
The upper surface of annular seat board；Hereafter, to during on annular seat board upper surface below the well lid, horizontal struts by touching vertically
Piston jack-up will be performed by sending out bar, perform piston and the vertical gas for performing cylinder body is passed through into the vertical buffering cylinder body of second pipe press-in
Interior, the gas in vertical cushion dashpot body is pressed into level by the 3rd pipeline and locked in cylinder body, is locked so as to be driven by latching ram
Tight bar stretches out, and the end of check lock lever passes through check lock lever via, until being against on the medial surface of vertical stop collar.
After the end of check lock lever is against on the medial surface of vertical stop collar, pass through the vertical buffering cylinder body of second pipe press-in
Interior gas overcomes the elastic force of pretension compression spring to move down damper piston, the gas for making second pipe be pressed into vertical cushion dashpot body
Body is stored in vertical cushion dashpot body；When the lower surface of well lid is against on the upper surface of annular seat board, now, in pretension compression
The gas in vertical cushion dashpot body is pressed into level by the 3rd pipeline in the presence of spring to lock in cylinder body, passes through latching ram
Check lock lever is driven to reach in corresponding check lock lever annular spacing groove（As shown in Fig. 3, Fig. 5）.In this way, when well lid is installed to seat ring
After upper, check lock lever is by Manhole cover lock on seat ring, and well lid has good anti-theft feature, can be prevented effectively from cable well lid and be stolen,
And the cable that produces is exposed, easily destroyed and the problem of can bring potential safety hazard to pedestrian and vehicle.
When maintainer needs open manhole cover to be overhauled, controlled valve is first opened, makes the vertical inner chamber for performing cylinder body
It is in communication with the outside, so that latching ram and check lock lever reset in the presence of latching ram back-moving spring, check lock lever and locking
Bar annular spacing groove is separated；So maintainer can just be overhauled with open manhole cover.
Claims (7)
1. a kind of cable well construction, including be arranged on the vertical shaft of road surface and be arranged on the well head of vertical shaft for sealing screening well head
Cable manhole lid device, it is characterized in that, the cable manhole lid device includes seat ring and well lid, and seat ring is embedded in the well head of vertical shaft
Interior, seat ring includes annular seat board and the vertical stop collar being arranged on annular seat board upper surface, the upper surface of the annular seat board
And annular sealing gaskets is provided with vertical stop collar, the well lid is arranged in vertical stop collar, and the lower surface of well lid
Abut against in annular sealing gaskets；
The lower sidewall of the vertical shaft is provided with main osculum and the assisted drainage hole of the interior lateral surface through vertical shaft, the main draining
Hole position is in the lower section in assisted drainage hole, and the main osculum is connected by main drainage pipeline with the drainage pipeline of road, and main
The height of osculum position is higher than the height of drainage pipeline position, and the assisted drainage hole passes through assisted drainage pipeline
It is connected with the drainage pipeline of road.
2. a kind of cable well construction according to claim 1, it is characterized in that, between the main osculum and main drainage pipeline
Provided with the first check valve, the second check valve is provided between the assisted drainage hole and assisted drainage pipeline.
3. a kind of cable well construction according to claim 1, it is characterized in that, the side wall of the vertical shaft runs through provided with some
The cable via of the interior lateral surface of vertical shaft, and height of the height higher than assisted drainage hole position of cable via position
Degree.
4. a kind of cable well construction according to claim 1, it is characterized in that, screen pack, institute are provided with the main osculum
State in assisted drainage hole and also be provided with screen pack.
5. a kind of cable well construction according to claim 1, it is characterized in that, in addition to triggering performs device, flexible buffer
Device and at least one Anti-theft locking mechanism, the lower surface of the well lid are provided with well lid groove,
The triggering performs device is set including controlled valve, the vertical execution cylinder body being arranged on the bottom surface of well lid groove, slip
Put performing the executions piston in cylinder body vertically, be arranged on vertical the first execution cylinder body interface performed on cylinder body lateral surface and the
Two perform cylinder body interfaces, are arranged on the vertical frizzen via performed on cylinder body lower surface and are arranged on vertical execution cylinder body lower end
Vertical frizzen on face, performs cylinder body interface and is located at the top for performing piston, the lower end of vertical frizzen passes through frizzen mistake
Hole；
Vertical buffering cylinder body on the bottom surface of the flexible buffer device including well lid groove, it is slidably arranged in vertical buffering cylinder body
Interior damper piston, be arranged on pretension compression spring in vertical cushion dashpot body and below damper piston, be arranged on it is vertical
The vent hole excessively of buffering cylinder body lower end and the import of buffering cylinder body and the buffering cylinder body for being arranged on vertical cushion dashpot outside top
Outlet, buffering cylinder body import is respectively positioned on the top of damper piston with the outlet of buffering cylinder body；
The level that the Anti-theft locking mechanism includes being arranged on the bottom surface of well lid groove locks cylinder body, is slidably arranged in Horizontal lock
Latching ram in tight cylinder body, it is arranged on latching ram and locks the coaxial check lock lever of cylinder body with level, is set in check lock lever
On latching ram back-moving spring, be arranged on the side of well lid groove and the check lock lever via corresponding with check lock lever and setting
On the medial surface of vertical stop collar and the check lock lever annular spacing groove corresponding with check lock lever, one end of level locking cylinder body is set
There is bar through hole, the other end of level locking cylinder body is provided with locking cylinder body interface, and bar through hole is located at latching ram with check lock lever
The same side；
It is connected between the first execution cylinder body interface and the import of controlled valve by the first pipeline, the second execution cylinder body connects
It is connected between mouth and buffering cylinder body import by second pipe, the 3rd is passed through between locking cylinder body interface and the outlet of buffering cylinder body
Pipeline is connected.
6. a kind of cable well construction according to claim 5, it is characterized in that, the lower end of the vertical frizzen is provided with level
Depression bar, horizontal struts are located at the vertical lower section for performing cylinder body.
7. a kind of cable well construction according to claim 5, it is characterized in that, set on the medial surface of the vertical buffering cylinder body
There is cylinder body limited block, cylinder body limited block is located at the top of damper piston, and the buffering cylinder body import exports equal position with buffering cylinder body
In the top of cylinder body limited block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710438485.6A CN107227752B (en) | 2017-06-12 | 2017-06-12 | A kind of cable well construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710438485.6A CN107227752B (en) | 2017-06-12 | 2017-06-12 | A kind of cable well construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107227752A true CN107227752A (en) | 2017-10-03 |
| CN107227752B CN107227752B (en) | 2019-05-07 |
Family
ID=59936269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710438485.6A Active CN107227752B (en) | 2017-06-12 | 2017-06-12 | A kind of cable well construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107227752B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112290502A (en) * | 2020-09-17 | 2021-01-29 | 国网浙江桐乡市供电有限公司 | Anti-drop type cable channel block structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07259110A (en) * | 1994-03-23 | 1995-10-09 | Watanabe Concrete Kogyo Kk | Underground cable-installing handhole, and molding device therefor |
| CN203034481U (en) * | 2012-12-29 | 2013-07-03 | 苏州工业园区设计研究院股份有限公司 | Rapid drainage structure for cable pit |
| CN103643698A (en) * | 2013-11-13 | 2014-03-19 | 国家电网公司 | Power cable hydraulic anti-theft well lid |
| CN204475374U (en) * | 2015-02-15 | 2015-07-15 | 福建万晟管桩有限公司 | A kind of Shockproof well seat and manhole cover structure |
| CN206902752U (en) * | 2017-06-12 | 2018-01-19 | 国网浙江省电力公司丽水供电公司 | Cable well construction |
-
2017
- 2017-06-12 CN CN201710438485.6A patent/CN107227752B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07259110A (en) * | 1994-03-23 | 1995-10-09 | Watanabe Concrete Kogyo Kk | Underground cable-installing handhole, and molding device therefor |
| CN203034481U (en) * | 2012-12-29 | 2013-07-03 | 苏州工业园区设计研究院股份有限公司 | Rapid drainage structure for cable pit |
| CN103643698A (en) * | 2013-11-13 | 2014-03-19 | 国家电网公司 | Power cable hydraulic anti-theft well lid |
| CN204475374U (en) * | 2015-02-15 | 2015-07-15 | 福建万晟管桩有限公司 | A kind of Shockproof well seat and manhole cover structure |
| CN206902752U (en) * | 2017-06-12 | 2018-01-19 | 国网浙江省电力公司丽水供电公司 | Cable well construction |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112290502A (en) * | 2020-09-17 | 2021-01-29 | 国网浙江桐乡市供电有限公司 | Anti-drop type cable channel block structure |
| CN112290502B (en) * | 2020-09-17 | 2021-10-22 | 国网浙江桐乡市供电有限公司 | Anti-drop type cable channel block structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107227752B (en) | 2019-05-07 |
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