CN104348126B - Linked die change trench cover board - Google Patents
Linked die change trench cover board Download PDFInfo
- Publication number
- CN104348126B CN104348126B CN201310711154.7A CN201310711154A CN104348126B CN 104348126 B CN104348126 B CN 104348126B CN 201310711154 A CN201310711154 A CN 201310711154A CN 104348126 B CN104348126 B CN 104348126B
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- CN
- China
- Prior art keywords
- cover plate
- trench
- die change
- cover board
- mobile platform
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- 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.)
- Expired - Fee Related
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- Details Of Indoor Wiring (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention discloses a linked die change trench cover board, comprising a die change mobile platform, a cover board support frame and two groups of trench cover board groups, wherein the trench cover board groups are separately arranged on the left side and the right side of the die change mobile platform; each group of trench cover board groups comprise an upper cover board, at least one middle cover board and a bottom cover board; cover board slide chutes are formed in the cover board support frame; front and rear edges of the cover boards extend into the corresponding cover board slide chutes of the cover board support frame; one end, close to the die change mobile platform, of each upper cover board is movably connected with the die change mobile platform; transverse trench strips are fixedly arranged on the bottom surface of the other end of each upper cover board, the upper surface of one end in the left end and the right end of the corresponding middle cover board and the lower surface of the other end, and the upper surface of one end, close to the die change mobile platform, of the corresponding bottom cover board; the other end of each bottom cover board is connected with the left end or the right end of a trench; when the die change mobile platform moves left and right, one edge drives the cover boards of the trench cover board group on one side to spread, and the other edge drives the cover boards of the other trench cover board group to fold; the overall cable trench is sealed by two groups of trench cover board groups and a bottom sealing cover of the die change mobile platform.
Description
Technical field
The present invention relates to a kind of cable trench cover plate, especially relate to a kind of linkage die change trench cover plate.
Background technology
, thus easily causing workman's damage, also easily debris or mouse etc. and moving in existing cable trench or do not have cover plate
Thing enters and damages cable in cable trench.And having the cable trench of cover plate, its cover plate does not usually move, and cover plate generally sets
There is the handle hole opening or removing cover plate, often nor very closely sealed between side edge thereof, therefore easily there are debris to fall into cable
In line trench, or even also have the animals such as mouse and go to damage in cable trench cable.
In 2010-03-24 bulletin, notification number is that the Chinese utility model patent file of CN 201430403Y discloses one
Plant cable trench cover plate, " include the positive cover plate of parallel arranged adjacent and anti-cover plate, the left and right sides of described positive cover plate is provided with
Open type tongue and groove, the left and right sides of described anti-cover plate is provided with and bottom-open type tongue and groove, described upper open type tongue and groove and bottom-open type tongue and groove phase
Mutually overlap joint cooperation." this utility model solves the closely sealed problem of side edge thereof, but remain immovable, solution is not provided yet
The certainly handle hole problem on cover plate.
In 2011-09-07 bulletin, notification number is that the Chinese utility model patent file of CN 201959981U discloses one
Finish full protection movable cover plate device, " be related to the safety device during volume turner is made (be unloaded) on Underground-Ditch-Pattern, including support
(1), transmission mechanism and cover plate(4);Described transmission mechanism includes sprocket wheel(2), chain(3)And governor motion(5);Described support
(1) be fixed in opposite directions trench basis two ends on, and often end trench on the basis of be equipped with top and bottom support;Top and bottom
Support is respectively provided on two sides with sprocket wheel (2), chain(3)Bypass the sprocket wheel (2) of top and bottom support (1) homonymy, and chain(3)
One end is connected on volume car, and the other end is connected to governor motion(5)On;Described cover plate(4)Two ends are fixed on top and bottom
On the chain (3) of support both sides;The all-weather protective problem of this device energy effectively solving trench, and do not affect operator
Related operation and the track route of service worker." shortcoming is complex structure, power consumption big it is impossible to entirely prevent debris and animal to enter
Enter in trench.
In 2013-09-11 bulletin, notification number is that the Chinese utility model patent of CN 203193225U discloses a kind of " machine
Tool equipment table drive motor cable channel cover plate opening device, includes drag chain trench, track, trench cover plate and cover plate and opens
Device;Described track is fixed on drag chain trench top, each track in both sides of drag chain trench;Described cover opening device upper end
It is arranged on workbench bottom lower end to be arranged in drag chain trench, and be connected with drag chain.Drag chain trench cover plate is with the shifting of workbench
Move and automatically turn on and close, ensure the security and stability of Workshop Production and person works, it is to avoid the generation of dangerous matter sources." shortcoming
It is:Cable trench can not be kept to be in air-tight state all the time, therefore, it is difficult to preventing debris or mouse from entering in trench.
Content of the invention
The main inventive purpose of the present invention is that offer is a kind of quick for the stamping machine in automobile manufacturing process or taping machine
On the cable trench of die change platform, can be mobile and translation is packed up or translation is opened with die change platform, die change platform can be limited and moving
The linkage die change trench cover plate of dynamic two ends extreme position.
Technical scheme used by the present invention is:A kind of linkage die change trench cover plate, including past along cable trench longitudinal direction left and right
The die change mobile platform of multiple movement, the cover plate support frame being fixed on the bank of cable trench both sides, is respectively arranged on that die change is mobile to put down
Two groups of trench cover plate groups of the left and right sides of platform, to each group trench cover group include one piece of upper cover plate, at least one piece inter panel and
One piece of bottom plate;Cover plate support sets up the cover plate chute having with the identical number of plies of cover plate number of trench cover group to each group, every piece of cover plate
Before and after both sides stretch in the corresponding cover plate chute of cover plate support frame;Wherein upper cover plate near one end of die change mobile platform and changes
Mould mobile platform is movably connected, and in the bottom surface of the other end of upper cover plate, the left and right two ends of inter panel the upper surface of one end and another
The lower surface of one end, bottom plate are respectively installed with longitudinally perpendicular with cable trench near the upper surface of die change mobile platform one end
Lateral hook bar, the other end of bottom plate is connected with the left or right of trench, when die change mobile platform moves left and right
The cover plate of the trench cover plate group of drive side is sprawled and is come, and another side drives the cover plate of another group of trench cover plate group to draw in,
Whole piece cable trench is closely knit by two groups of trench cover plate groups and die change mobile platform bottom cover.
Car housing stamping machine and taping machine die change in the production of automobile making at present, in the moving track of mobile die change platform
Cable trench that is wide about 200 millimeters, being about 3000 millimeters and deep 250 millimeters is generally reserved with the ground at place.These cables at present
Trench cover plate generally do not added a cover by line trench, when operating personnel's walking is in corresponding site, needs to observe and hide trench danger, shadow
Ring operating efficiency, delay production, year in and year out, trench of accidentally will entering into, crush foot and cause industrial accident, additionally
Can not prevent the animals such as mouse from entering in trench.And if the Cover for manhole of common mobile inconvenience is added a cover on these trenches
Plate, is on the one hand not easy densely to cover trench surface, and the opposing party can not limit die change platform well at left and right two ends
, easily security incident during mobile die change platform in position.Using technical scheme of the present invention, promoting die change platform along cable
When line trench moves left and right, such as die change platform moves right, then drive one group of trench cover plate sequentially translation on the left of it to launch, with
When drive one group of trench cover plate sequentially translation on right side to draw in, on the left of it, one group of trench cover plate is in its fully unfolded position
Or during the complete collapsed state of one group of trench cover plate on the right side of it, now die change platform be then restricted and can not be again toward moving right;
And when die change platform is moved to the left, then drive one group of trench cover plate sequentially translation on the right side of it to launch, drive on the left of it simultaneously
One group of trench cover plate sequentially translation pack up, on the right side of it group trench cover plate is fully deployed or one group of trench on the left of it
The complete collapsed state of cover plate, now die change platform be then restricted and can not be again toward moving left.Movement in whole die change platform
During, cable trench is closely knit by the lower surface capping of two groups of trench cover plates and die change platform, on the one hand can prevent work people
Member's imprudence is stepped on sky and is fallen into cable trench and injured, is thus advantageous to improve the security producing and efficiency, on the other hand again can
To prevent foreign matter and mouse from falling in cable trench and damaging cable, die change platform can also be limited at cable trench two ends simultaneously
Extreme position, improve the security of mobile die change platform.And when needing to open trench cover plate it is only necessary to unclamp one group of movement
The upper cover plate of cover plate is flexibly connected it is possible to promote die change platform so that another group of trench cover plate is packed up with die change platform, thus
Open cable trench.Therefore, the present invention has that structure is simple, beneficial effect easy to use, safe.
Preferably, every piece of cover plate is all diamond plate.This preferred version, rigidity and intensity are high, are conducive to improving use
Security performance.
Preferably, the length of hook bar is less than 2.5 to 5 millimeters of the distance between cover plate support frame two inside edge.Enter one
Step ground, the cross section of described hook bar is rectangle, and the two ends of hook bar are provided with rounded corner.This preferred version, rational in infrastructure, trench cover plate
Mobile easy.
Preferably, the thickness of every piece of cover plate is 3 millimeters, the groove width of the cover plate chute of cover plate support frame is 3.5 to 3.8
Millimeter, the thickness of the cell wall between upper and lower two cover plate chutes is 3.2 to 3.5 millimeters, and correspondingly the height of hook bar is 2.8 to 3
Millimeter.This preferred version, rational in infrastructure, trench cover plate is mobile easily.
Preferably, the groove depth of cover plate chute is more than or equal to 50 millimeters, before and after every piece of cover plate, both sides each extend into cover plate and slide
45 to 48 millimeters in groove.This preferred version, rational in infrastructure, trench cover plate is mobile easily.
Preferably, upper cover plate is connected using latch structure with die change mobile platform.This preferred version, structure simply may be used
Lean on, easy disassembling.
Preferably, bottom plate is connected with cable trench end using latch structure near one end of cable trench end.
This preferred version, simple and reliable for structure, easy disassembling.
In sum, the beneficial effect that the present invention brings is:The trench cover plate of trench cover plate group can be with a left side for die change platform
Move right and sequentially translation launch or pack up, cable trench can by trench cover plate and die change platform bottom surface cover closely knit a, side
Face can prevent staff's imprudence from stepping on sky and fall into cable trench and injured, on the other hand can prevent foreign matter and mouse from falling again
Enter in cable trench and damage cable, the extreme position at cable trench two ends for the die change platform can also be limited simultaneously, improve and move
Move the security of mould platform.And when needing to open trench cover plate it is only necessary to unclamping the upper cover plate of one group of movable cover plate and changing
The flexible connection of mould platform is it is possible to promote die change platform so that another group of trench cover plate is packed up, thus easily opening cable
Trench.Therefore, the present invention has that structure is simple, beneficial effect easy to use, safe.
Brief description
Fig. 1 is a kind of structural representation of the present invention;
Fig. 2 is the structural representation of the inter panel of the present invention;
Fig. 3 is the attachment structure schematic diagram between inter panel, bottom plate and cover plate support frame;
Fig. 4 is cover plate support frame installing structure schematic diagram;
Fig. 5 is upper cover plate and the attachment structure schematic diagram of die change mobile platform.
Specific embodiment
Below by embodiment, and combine accompanying drawing, technical scheme is described in further detail.
In Fig. 1, die change mobile platform 1 leaves the in figure of stamping machine or taping machine 6, die change mobile platform 1 after being in die change
The trench cover plate group 3 in left side is in from open mode is to the transfer process of rounding state, and the ground on die change mobile platform 1 right side
Trench cover group 3 is then in from rounding state is to the transfer process of open mode.Fig. 4 represents cover plate support frame installing structure, figure
In removed corresponding bottom plate 3.3.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, what the present invention included can moving back and forth along about cable trench longitudinal direction changes
Mould mobile platform 1, the cover plate support frame 2 being fixed on the bank of cable trench both sides, it is respectively arranged on the left and right of die change mobile platform 1
Two groups of trench cover plate groups 3 of both sides, to each group trench cover group 3 include one piece of upper cover plate 3.1, at least one piece inter panel 3.2 and
One piece of bottom plate 3.3;Cover plate support frame 2 is provided with the cover plate chute with the identical number of plies of cover plate number of trench cover group 3 to each group, every piece
Before and after cover plate 3.1,3.2,3.3, both sides are stretched in the corresponding cover plate chute of cover plate support frame 2;Wherein upper cover plate 3.1 is close changes
One end of mould mobile platform 1 and die change mobile platform 1 are movably connected, the bottom surface of the other end of upper cover plate 3.1, inter panel 3.2
Left and right two ends in the lower surface of the upper surface of one end and the other end, the upper table near die change mobile platform 1 one end for the bottom plate 3.3
Face is respectively installed with the lateral hook bar 4 longitudinally perpendicular with cable trench, the other end of bottom plate 3.3 and the left end of trench or the right side
End is connected, and drives when die change mobile platform 1 moves left and right the cover plate of the trench cover plate group 3 of side to sprawl and comes, another
The cover plate that sideband moves another group of trench cover plate group 3 draws in, and whole piece cable trench is moved by two groups of trench cover plate groups 3 and die change
Platform 1 covers closely knit.It is designed with unlike lateral hook bar 4 from inter panel 3.2 about two ends, wherein upper cover plate 3.1 and bottom
Both cover plates 3.3 only have one end to be provided with lateral hook bar 4.
The present embodiment, every piece of cover plate 3.1,3.2,3.3 is all diamond plate, and thickness is both preferably 3 millimeters, and correspondingly cover plate props up
The groove width of the cover plate chute of support 2 is 3.5 to 3.8 millimeters, and the thickness of the cell wall between upper and lower two cover plate chutes arrives for 3.2
3.5 millimeters, the height of hook bar 4 is 2.8 to 3 millimeters.Preferably, the groove width of the cover plate chute of the present embodiment cover plate support frame 2
For 3.8 millimeters, the thickness of cell wall is 3.5 millimeters, and the height of hook bar 4 is 3 millimeters.Preferably, the cross section of described hook bar 4
For rectangle, the two ends of hook bar 4 are provided with the unshowned rounded corner of in figure, and the length of hook bar 4 is less than former and later two cover plate support framves 2
2.5 to 5 millimeters of the distance between two inside edges, the length of hook bar 4 is preferably less than in the two of former and later two cover plate support framves 2
3 millimeters of the distance between lateral edges.Preferably, the groove depth of cover plate chute is more than or equal to 50 millimeters, every piece of cover plate 3.1,3.2,
Before and after 3.3, both sides each extend into 45 to 48 millimeters in cover plate chute.The present embodiment, the groove depth of cover plate chute is 50 millimeters, every piece
Before and after cover plate 3.1,3.2,3.3, both sides each extend into 45 millimeters in cover plate chute.
Wherein cover plate support frame 2 even can be made up of several sections short of branch's support weldering;Cover plate support frame 2 can also be short by several sections
Branch's support put and formed in the fixed platform of cover plate support frame 2, now the bottom of adjacent Liang Gen branch support is with corresponding
Spacer bar positioning strut, spacer bar then fixing on the ground;In addition cover plate support frame 2 can also be used by several sections short of branch's support
It is located at adjacent Liang Gen branch support lateral surface and the composition that is connected respectively with the connecting plate of Liang Gen branch support mode connects for screw.This enforcement
Example, cover plate support frame 2 by several sections short branch's support be located at adjacent Liang Gen branch support lateral surface and respectively with Liang Gen branch
The connecting plate of support mode connects for screw is connected and constitutes, and detailed construction details will not be described here.
The present embodiment, as shown in Figure 1 and Figure 5, preferably, before and after the bottom of die change mobile platform 1 is provided with and sinks to here
Intermarginal cover plate connecting bottom board 1.1 in two cover plate support framves 2, cover plate connecting bottom board 1.1 passes through angle bar block and die change mobile platform 1
Bolt connection, the left and right two ends of cover plate connecting bottom board 1.1 are stretched in the outside of die change mobile platform 1, and cover plate connecting bottom board 1.1
Extension covers on the edge of upper cover plate 3.1, the edge of the extension of cover plate connecting bottom board 1.1 and upper cover plate 3.1
Rear and front end is respectively provided with a pin shaft hole communicating, and the edge of the extension of cover plate connecting bottom board 1.1 and upper cover plate 3.1 is with inserting
Latch structure is movably connected.The bolt connection unclamping cover plate connecting bottom board 1.1 with die change mobile platform 1 is moved it is possible to push die change
Moving platform 1, now cable trench be still in capping dense state, can prevent workman imprudence injured.Pull out on one of
Connection bearing pin between cover plate 3.1 and cover plate connecting bottom board 1.1, more correspondingly promote die change mobile platform 1 it is possible to allow side
Trench cover plate group 3 remain stationary as, and the trench cover plate group 3 of opposite side draw in get up, such that it is able to easily open cable
Trench, to do corresponding maintenance to the cable in trench.
As shown in Figure 3, Figure 4, the end bolt of cable trench is fixed with the isolation support 5 of cover plate support frame, cover plate support frame
Isolation support 5 includes isolation support main body 5.1 and isolation support base plate 5.2, the present embodiment isolation support base plate 5.2 unshowned spiral shell of in figure
Nail is fixed on isolation support main body 5.1.The front and back end of wherein isolation support main body 5.1 is respectively provided with stretches into former and later two cover plate support framves 2
Cover plate chute in inlay tooth 5.1.1.During use, first cover plate support frame 2 and lid are dug in the bank of cable trench and end
The fixing step of plate bracing frame isolation support 5, is then placed on cover plate support frame 2 and cover plate support frame isolation support 5 to fix accordingly
On platform, after adjusting, again cover plate support frame 2 and cover plate support frame are isolated support 5, need before adjustment to be first respectively fixed with lateral hook
The upper, middle and lower cover plate of bar 4 is put well.The installation of cover plate support frame 2 and cover plate support frame isolation support 5 is fixed and upper, middle and lower cover plate
Placement, because being simple technique, will not be described here.
Preferably, the present embodiment, bottom plate 3.3 adopts latch structure and isolation support near one end of cable trench end
Base plate 5.2 is connected, thus realizing being connected of bottom plate 3.3 and cable trench end.
The present embodiment, the width of cable trench is between 200 millimeters, that is, the inside edge of two cover plate support framves 2
Distance be 200 millimeters;And a length of 3300 millimeters of cable trench, that is, the cover plate support frame isolation support at cable trench two ends
The distance between 5 inside edges are 3300 millimeters;In addition the depth of cable trench is 250 millimeters.Correspondingly, trench cover group to each group
3 respectively comprise four pieces of trench cover plates:3.1, two pieces of inter panels 3.2 of one piece of upper cover plate and one piece of bottom plate 3.3.The present embodiment, two
The upper surface of root cover plate support frame 2 is concordant with ground, the distance between every piece of trench cover plate left and right edges be 365 millimeters,
The distance between two edges are 290 millimeters in front and back.
The specific embodiment of the above is only the present invention preferably embodiment, not limits the concrete of the present invention with this
Practical range.The equivalence changes that all shapes according to the present invention, structure are made ought to be all contained in protection scope of the present invention.
Claims (8)
1. a kind of linkage die change trench cover plate, including the die change mobile platform moving back and forth along about cable trench longitudinal direction(1),
It is characterized in that:Also include the cover plate support frame being fixed on the bank of cable trench both sides(2), be respectively arranged on die change mobile platform
(1)The left and right sides two groups of trench cover plate groups(3), trench cover group to each group(3)Including one piece of upper cover plate(3.1), at least one
Block inter panel(3.2)With one piece of bottom plate(3.3);Cover plate support frame(2)It is provided with and trench cover group to each group(3)Cover plate number
The cover plate chute of the identical number of plies, every piece of cover plate(3.1、3.2、3.3)Before and after both sides stretch into cover plate support frame(2)Corresponding cover plate
In chute;Wherein upper cover plate(3.1)Near die change mobile platform(1)One end and die change mobile platform(1)It is movably connected, upper lid
Plate(3.1)The bottom surface of the other end, inter panel(3.2)Left and right two ends in the upper surface of one end and the other end lower surface,
Bottom plate(3.3)Near die change mobile platform(1)The upper surface of one end is respectively installed with the horizontal stroke longitudinally perpendicular with cable trench
To hook bar(4), bottom plate(3.3)The other end be connected with the left or right of trench, when die change mobile platform(1)Move left and right
When while drive side trench cover plate group(3)Cover plate sprawl and come, another side drives another group of trench cover plate group(3)Lid
Plate draws in, and whole piece cable trench is by two groups of trench cover plate groups(3)With die change mobile platform(1)Capping is closely knit.
2. linkage die change trench cover plate according to claim 1, is characterized in that:Every piece of cover plate(3.1、3.2、3.3)It is all
Diamond plate.
3. linkage die change trench cover plate according to claim 1 and 2, is characterized in that:Hook bar(4)Length prop up less than cover plate
Support(2)2.5 to 5 millimeters of the distance between two inside edges.
4. linkage die change trench cover plate according to claim 3, is characterized in that:Described hook bar(4)Cross section be rectangle,
Hook bar(4)Two ends be provided with rounded corner.
5. linkage die change trench cover plate according to claim 1 and 2, is characterized in that:Every piece of cover plate(3.1、3.2、3.3)'s
Thickness is 3 millimeters, cover plate support frame(2)Cover plate chute groove width be 3.5 to 3.8 millimeters, upper and lower two cover plate chutes it
Between cell wall thickness be 3.2 to 3.5 millimeters, correspondingly hook bar(4)Height be 2.8 to 3 millimeters.
6. linkage die change trench cover plate according to claim 1 and 2, is characterized in that:The groove depth of cover plate chute is more than or equal to
50 millimeters, every piece of cover plate(3.1、3.2、3.3)Before and after both sides each extend into 45 to 48 millimeters in cover plate chute.
7. linkage die change trench cover plate according to claim 1 and 2, is characterized in that:Upper cover plate(3.1)Mobile with die change flat
Platform(1)It is connected using latch structure.
8. linkage die change trench cover plate according to claim 1 and 2, is characterized in that:Bottom plate(3.3)Near cable trench
One end of end is connected with cable trench end using latch structure.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310711154.7A CN104348126B (en) | 2013-12-20 | 2013-12-20 | Linked die change trench cover board |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310711154.7A CN104348126B (en) | 2013-12-20 | 2013-12-20 | Linked die change trench cover board |
Publications (2)
Publication Number | Publication Date |
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CN104348126A CN104348126A (en) | 2015-02-11 |
CN104348126B true CN104348126B (en) | 2017-02-08 |
Family
ID=52503186
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201310711154.7A Expired - Fee Related CN104348126B (en) | 2013-12-20 | 2013-12-20 | Linked die change trench cover board |
Country Status (1)
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CN (1) | CN104348126B (en) |
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JP2000037013A (en) * | 1998-07-15 | 2000-02-02 | Sekisui Chem Co Ltd | Connection structure and connection method for connection of manhole and pipe |
JP2003009366A (en) * | 2001-06-22 | 2003-01-10 | Fuji Purekon Kk | Installation method for duct and block for duct |
DE20306800U1 (en) * | 2003-04-30 | 2003-07-17 | Desoi GmbH, 36148 Kalbach | Assembly for driving safely over cables, supply lines, etc. uses adjacently placed up- and down-ramps over which forklift truck may pass |
CN2880319Y (en) * | 2005-12-02 | 2007-03-21 | 中国重型汽车集团有限公司 | Simple mould changing device |
CN201450303U (en) * | 2009-07-03 | 2010-05-05 | 黎声零 | Cable trench cover structure |
CN201490671U (en) * | 2009-05-26 | 2010-05-26 | 江苏省电力公司苏州供电公司 | Cover plate of cable channel |
CN102182330A (en) * | 2011-04-22 | 2011-09-14 | 铁道第三勘察设计院集团有限公司 | Movable cover plate device of checking trench |
CN203056519U (en) * | 2013-03-01 | 2013-07-10 | 浙江省送变电工程公司 | Telescopic cable trench cover plate |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8534613B2 (en) * | 2010-09-17 | 2013-09-17 | Terry D. Wurzer | Expansion joint for a cable tray apparatus for a people mover system |
-
2013
- 2013-12-20 CN CN201310711154.7A patent/CN104348126B/en not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000037013A (en) * | 1998-07-15 | 2000-02-02 | Sekisui Chem Co Ltd | Connection structure and connection method for connection of manhole and pipe |
JP2003009366A (en) * | 2001-06-22 | 2003-01-10 | Fuji Purekon Kk | Installation method for duct and block for duct |
DE20306800U1 (en) * | 2003-04-30 | 2003-07-17 | Desoi GmbH, 36148 Kalbach | Assembly for driving safely over cables, supply lines, etc. uses adjacently placed up- and down-ramps over which forklift truck may pass |
CN2880319Y (en) * | 2005-12-02 | 2007-03-21 | 中国重型汽车集团有限公司 | Simple mould changing device |
CN201490671U (en) * | 2009-05-26 | 2010-05-26 | 江苏省电力公司苏州供电公司 | Cover plate of cable channel |
CN201450303U (en) * | 2009-07-03 | 2010-05-05 | 黎声零 | Cable trench cover structure |
CN102182330A (en) * | 2011-04-22 | 2011-09-14 | 铁道第三勘察设计院集团有限公司 | Movable cover plate device of checking trench |
CN203056519U (en) * | 2013-03-01 | 2013-07-10 | 浙江省送变电工程公司 | Telescopic cable trench cover plate |
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CN104348126A (en) | 2015-02-11 |
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