CN108462138B - A kind of cable duct and its construction method - Google Patents
A kind of cable duct and its construction method Download PDFInfo
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- CN108462138B CN108462138B CN201810134051.1A CN201810134051A CN108462138B CN 108462138 B CN108462138 B CN 108462138B CN 201810134051 A CN201810134051 A CN 201810134051A CN 108462138 B CN108462138 B CN 108462138B
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- cable duct
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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
Abstract
The invention discloses a kind of cable duct and its construction methods, including cable duct, manhole cover plate and fixed frame, manhole cover plate includes main cover plate, handle slot is provided on main cover plate, opening handle is provided in handle slot, locking device is provided between main cover plate and fixed frame, locking device includes latch hook and lock, it is linked between latch hook and opening handle by linkage, linkage includes the adjusting rod for being provided with adjustment sheet, and the locating piece of semi-circular shape is provided on latch hook, adjusting rod and locating piece cooperate, so that opening handle only could be opened latch hook and lock towards rotation in handle slot.Latch hook and lock are arranged at below main cover plate, it makes one to be difficult to destroy locking device from outside to open main cover plate, the method for making other people be difficult to find that open manhole cover plate using the usual thinking that handle is drawn outwardly, and operator then can conveniently and efficiently open main cover plate, it is not only antitheft but also convenient for opening.
Description
Technical field
The present invention relates to cable construction field of engineering technology, in particular to a kind of cable duct and its construction method.
Background technique
With the development of the society, economic continuous development, requirement of the people for communication is continuously improved, and old-fashioned high-altitude
There are numerous defects for seine, this just accelerates the construction of underground cable communication facility.Buried cable at this stage, which is all made of, first to be dug
Pick, re-lays, the mode of back shroud is constructed, and cover board is usually the cable channel cover plate that muti-piece cement plate is made into, by suitable
The mode that sequence is laid with covers cable under it, although such laying construction is simple, facilitates maintenance of the later period for cable,
It is that, since the economic value of cable is higher, such simple paving mode promotes some undesirables easily to open cover board
Cable is stolen, the damage of cable is not only caused, more seriously, affects the normal communication of people.
Currently, Authorization Notice No. is that the Chinese patent document of CN201717585U discloses a kind of cable duct in the prior art
Sheet for bottle lid, including interlock plate, plugboard and gusset piece, the side of the interlock plate are provided with lockhole, and the one of the plugboard
Side end is provided with the lock pillar with lockhole cooperation, is provided with locked groove on the lock pillar, and the lockhole runs through interlock plate straight up,
Locked groove can be seen down into above interlock plate by lockhole, and can be provided through bolt, institute in the locked groove and lockhole
It states and is set on bolt to fixed gasket and self-locking nut；The side of the gusset piece is provided with inserting plate, it is corresponding
It is provided with plug-in opening on plugboard, inserting plate is inserted into plug-in opening, being coupled for gusset piece and plugboard, Ke Yishe are realized
Multiple gusset pieces are set, are coupled by way of inserting between adjacent gusset piece, it is not only easy to use, but also can fit
The construction for answering various different sizes to require.
But the fixed structure of bolt and self-locking nut is simple and clear, easily disassembled, and the fixed structure is directly exposed to
In lockhole above interlock plate, effective anti-theft function can not be played, and interlock plate, plugboard and gusset piece are even inserted by side
Mode connect, between each other it is compact in the case where be difficult to open, it is inconvenient.
Summary of the invention
The object of the present invention is to provide a kind of cable duct and its construction method, have the effect of it is hidden, convenient for opening.
Above-mentioned technical purpose of the invention has the technical scheme that
A kind of cable duct, including cable duct, fixed frame and manhole cover plate, the fixed frame include being close to the setting of cable duct side wall
Side plate with the bottom plate of cable duct bottom is set, the side plate upper end of two sides is respectively arranged with and can be fitted by well lid board ends
Slot cover, the manhole cover plate include main cover plate, and handle slot is provided on the main cover plate, is rotatably connected to out in the handle slot
Handle is opened, locking device is provided between the main cover plate and side plate, the locking device includes being positioned close to slot cover one
Lock on the side plate of side and the latch hook that main cover board bottom portion is arranged in, main cover board bottom portion, which is provided with, makes opening handle and latch hook
The linkage of linkage, the linkage includes the adjusting rod with the universal driving shaft of opening handle linkage and latch hook linkage, described
It is linked between universal driving shaft and adjusting rod by V belt translation, is provided with the ring pipe covered on adjusting rod on the latch hook, described turn
Rotating ring two sides are provided with semi-annular locating piece, and the adjusting rod both ends have been arranged radially and can abut semi-circular shape locating piece
The adjustment sheet of either side.
By using above-mentioned technical proposal, after main cover plate lid closes cable duct, the lock and latch hook of locking device are fastened, if
It is to pull opening handle towards outside handle slot, then opening handle is rotated towards handle slot open outer side, while universal driving shaft drives adjusting rod
Rotation, adjustment sheet is rotated in semi-circular shape locating piece side towards remotely located part direction at this time, then between adjustment sheet and locating piece
It is contactless and relatively rotate；Only by opening handle towards rotating in handle slot, make adjustment sheet towards close to the rotation of locating piece direction simultaneously
Top makes its rotation on the positioning element, so that latch hook be made to separate with lock.Latch hook and lock are arranged at below main cover plate, make one difficult
To destroy locking device from outside to open main cover plate, other people are made to be difficult to find that unlatching using the usual thinking that handle is drawn outwardly
The method of manhole cover plate, and operator then can conveniently and efficiently open main cover plate, and not need using specific tool.
The present invention is further arranged to: the clockwork spring connecting with manhole cover plate is provided on the swivel becket.
By using above-mentioned technical proposal, when opening handle is towards when rotating in handle slot, adjustment sheet top makes on the positioning element
It is rotated, and swivel becket can apply the power that a revolution resets to adjusting rod, and opening handle is made while resetting latch hook
It resets.
The present invention is further arranged to: the opening handle includes two rotating bars and adjusting handle in L font, and two turn
The long boom end of lever is equipped with the axle sleeve being keyed with universal driving shaft, and the quarter butt of two rotating bars is oppositely arranged, the handle slot two
The limiting slot of restricted rotating bar rotational angle is arranged in side, and the both ends of the adjusting handle are equipped with the slot cooperated with quarter butt and difference
It is socketed on two quarter butts.
By using above-mentioned technical proposal, rotating bar is limited using limiting slot, makes opening handle can not be towards handle
Rotation in slot, and the distance between two sides quarter butt can be shortened using the slot on adjusting handle, rotating bar no longer abuts limit at this time
Position slot, opening handle can separate to rotate with moveable lock hook with lock towards rotating in handle slot.
The present invention is further arranged to: limit spring is provided in the slot at the adjusting handle both ends, in the slot
Be respectively arranged with mutually matched internal screw thread and external screw thread on wall and quarter butt, the internal screw threads of the adjusting handle two sides and cooperation it is outer
Hand of spiral is opposite.
By using above-mentioned technical proposal, adjusting handle is set to keep stablizing using limit spring, quarter butt gos deep into slot when two sides
Afterwards, quarter butt and adjusting handle can be fixed by internal screw thread and external screw thread interconnection, and under the action of limit spring
Internal screw thread is closely connect with external screw thread.
The present invention is further arranged to: cover slot is provided in the opening of the handle slot, the side of the cover slot, which rotates, to be connected
It is connected to the protection cap for capableing of lid closing lid slot, the protection cap and cover slot are respectively arranged with mutually matched far from one end of rotary shaft
Buckle and card slot are provided with rubber washer in the cover slot.
By using above-mentioned technical proposal, the opening handle in handle slot is protected using protection cap, utilizes rubber
Washer enhances the stability after protection cap lid closing lid slot, while enhancing the leakproofness of handle slot, prevent handle slot internal water accumulation or into
Enter foreign matter, influences to operate.
The present invention is further arranged to: the cable duct is wherein provided with location hole, well lid in the cover board groove sidewall of side
The end of the same side is provided with the locating piece with location hole cooperation on plate, and it is fixed to be provided in the slot cover of the cable duct other side
Position slot, the corresponding side of the manhole cover plate are provided with the fixture block with locating slot cooperation.
First locating piece is caught in corresponding location hole when to cover conjunction manhole cover plate by using above-mentioned technical proposal, then
By in the fixture block insertion locating slot of the manhole cover plate other end, the both ends of manhole cover plate are limited, prevent manhole cover plate inclined in the slot of side
It moves.
The present invention is further arranged to: the manhole cover plate further includes the first auxiliary coverplate, the second auxiliary coverplate and inter panel, institute
It states main cover plate two sides and is provided with welt, first auxiliary coverplate side is provided with welt, the other side is provided with lower welt,
The two sides of the inter panel are provided with lower welt, and second auxiliary coverplate two sides are respectively arranged with symmetrical with the first auxiliary coverplate
Lower welt and upper welt, the lower end surface of the upper welt can be bonded to each other with the upper surface of adjacent lower welt.
By using above-mentioned technical proposal, main cover plate and inter panel are staggeredly laid with, further according to different construction environments
With construction requirement, at least one first auxiliary coverplate and the second auxiliary coverplate are laid between main cover plate and inter panel, thus to paving
If length is adjusted, other adjacent manhole cover plates are pushed down using main cover plate, when being repaired to the cable in cable duct
When, it is only necessary to the locking device on main cover plate is opened, remaining manhole cover plate can be opened easily, open manhole cover plate when reducing maintenance
Required operating procedure.
The present invention is further arranged to: the opening two sides of the cable duct are provided with side slot, and the side plate divides towards two sides
It is not provided with the fixed edge with the cooperation of two side slots, offers fixation hole on the fixed edge.
By using above-mentioned technical proposal, setscrew can be installed in fixation hole and be fixed, then be poured in the slot of side
Cementing is buried while further fixing fixed edge with setscrew, prevents other people from destroying.
Another object of the present invention is to provide a kind of construction methods of cable duct, comprising the following steps:
Step 1 excavates cable duct, and tamps soil layer；
Step 2 digs out side slot in cable duct opening two sides, and slot bottom is tamped；
Step 4 is drilled downwards by the fixation hole on fixed edge, then is installed setscrew in hole and be fixed；
Step 5, casting cement is buried fixed edge and setscrew using cement up to concordant with ground in the slot of side；
Step 6 is laid with cable in cable duct, and corresponding manhole cover plate is installed on fixed frame, and cable operculum colpi is closed.
By using above-mentioned technical proposal, reinforce cable duct overall structural strength using fixed frame, recycle fixed edge with
Then setscrew reinforced fixed structure buries side slot using cement, not only beauty can also prevent other people from destroying fixed structure.
In conclusion the invention has the benefit that
After main cover plate lid closes cable duct, the lock and latch hook of locking device are fastened, if pulling unlatching outside towards handle slot
Handle, then opening handle is rotated towards handle slot open outer side, while universal driving shaft drives adjusting rod rotation, and adjustment sheet is in semicircle at this time
Ring shaped retainer member side is rotated towards remotely located part direction, then contactless between adjustment sheet and locating piece and relatively rotate；Only
By opening handle towards rotating in handle slot, adjustment sheet is made to make its rotation on the positioning element towards rotating and push up close to locating piece direction,
To make latch hook separate with lock.Latch hook and lock are arranged at below main cover plate, make one to be difficult to destroy locking device from outside
To open main cover plate, the method for making other people be difficult to find that open manhole cover plate using the usual thinking that handle is drawn outwardly, and operate
Personnel then can conveniently and efficiently open main cover plate, and not need using specific tool.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is the structural schematic diagram of manhole cover plate of the invention；
Fig. 3 is schematic cross-sectional view of the invention；
Fig. 4 is the configuration schematic diagram of adjusting rod and latch hook of the invention；
Fig. 5 is the structural schematic diagram of handle slot and opening handle of the invention；
Fig. 6 is the configuration schematic diagram of opening handle of the invention.
Appended drawing reference: 1, cable duct；2, fixed frame；3, manhole cover plate；4, side slot；5, side plate；6, bottom plate；7, fixed edge；8,
Fixation hole；9, the first slot cover；10, the second slot cover；11, location hole；12, locating piece；13, locating slot；14, fixture block；15, main
Cover board；16, the first auxiliary coverplate；17, the second auxiliary coverplate；18, inter panel；19, upper welt；20, lower welt；21, threaded hole；
22, locking device；23, it latches；24, latch hook；25, handle slot；26, opening handle；27, adjusting handle；28, rotating bar；29, axis
Set；30, linkage；31, universal driving shaft；32, adjusting rod；33, support rod；34, first pulley；35, the second belt wheel；36, it rotates
Ring；37, caulking groove；38, adjustment sheet；39, locating piece；40, clockwork spring；41, limiting slot；42, stock；43, quarter butt；44, slot；
45, limit spring；46, internal screw thread；47, external screw thread；48, cover slot；49, protection cap；50, it buckles；51, card slot；52, rubber pad
Circle.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Present embodiment discloses a kind of cable ducts, as shown in Figure 1, including cable duct 1, being bonded consolidating for cable duct inner wall setting
Determine frame 2 and the manhole cover plate 3 for closing cable duct can be covered.Cable duct 1 offers side slot 4 in inverted trapezoidal and opening two sides, and fixed frame 2 wraps
The side plate 5 and bottom plate 6 that can be bonded 1 side wall of cable duct and bottom wall respectively are included, side plate 5 is respectively welded towards two sides can be fitted into two
The fixed edge 7 of a side slot 4, and several fixation holes 8 are arranged at intervals with along 1 length direction of cable duct on fixed edge 7, from fixation hole 8
In down drill and setscrew is installed in hole, fixed edge 7 can be fixed, then the casting cement in side slot 4, will be consolidated
Deckle 7 is buried while further fixing with setscrew, prevents other people from destroying.
As shown in Figure 1, the first cover board that can be fitted by the both ends of manhole cover plate 3 is offered on the fixed edge 7 of two sides respectively
Slot 9 and the second slot cover 10, and the first slot cover 9 and the second slot cover 10 extend along 1 length direction of cable duct.Manhole cover plate 3
The end of chimeric first slot cover 9 is welded with locating piece 12, offers on the side wall of the first slot cover 9 and the cooperation of locating piece 12
Location hole 11, and the end that manhole cover plate 3 is fitted into the second slot cover 10 is welded with fixture block 14, offers and blocks in the second slot cover 10
The locating slot 13 that block 14 cooperates.When to cover conjunction manhole cover plate 3, the locating piece 12 of 3 one end of manhole cover plate is first caught in corresponding positioning
It in hole 11, then overturns manhole cover plate 3 and the fixture block 14 of the other end is embedded into locating slot 13, manhole cover plate 3 is limited, well is prevented
Cover board 3 shifts on cable duct 1.
As shown in Fig. 2, manhole cover plate 3 includes main cover plate 15, the first auxiliary coverplate 16, the second auxiliary coverplate 17 and inter panel 18,
Manhole cover plate 3 is also possible to main cover plate 15 and inter panel 18 again individually plus the first auxiliary coverplate 16 or individually plus the second auxiliary coverplate
The combination of 17 or both the combinations being all not added, several manhole cover plates 3 cooperates, and the lid completely of cable duct 1 is closed.15 two sides of main cover plate
Be welded with welt 19, upper welt 19 with a thickness of main cover plate 15 half, and on the upper surface of upper welt 19 and main cover plate 15
End face keeps concordant；18 two sides of inter panel are welded with lower welt 20, and lower 20 thickness of welt is similarly the one of inter panel 18
Half, and the lower end surface of lower welt 20 is concordant with the holding of the lower end surface of inter panel 18；First auxiliary coverplate, 16 two sides are respectively welded
Upper welt 19 and lower welt 20, and 17 two sides of the second auxiliary coverplate be respectively welded with the first auxiliary coverplate 16 symmetrically lower welt 20 with
Upper welt 19, upper welt 19 can be bonded along the vertical direction with adjacent lower welt 20 and be limited, and keep 3 surface of manhole cover plate
It is smooth.
As shown in Figure 2 and Figure 3, it is spaced apart on side plate 5 and is equipped with threaded hole 21 corresponding with 3 quantity of manhole cover plate, 15 bottom of main cover plate
Locking device 22 is provided on portion's side plate 5 corresponding with the second slot cover 10, locking device 22 respectively includes and 21 spiral shell of threaded hole
The lock 23 of line connection and the latch hook 24 that 15 bottom of main cover plate is set, it is corresponding on side plate 5 according to the position of main cover plate 15
Main cover plate 15 is fixed in the opening of cable duct 1 by fixed lock 23 in threaded hole 21 by 23 cooperation of latch hook 24 and lock.
When being laid with manhole cover plate 3 on cable duct 1, main cover plate 15 and inter panel 18 are mutual by adjacent upper welt 19 and lower welt 20
Cooperation, and according to different construction environment and construction requirement, at least one can be laid between main cover plate 15 and inter panel 18
A first auxiliary coverplate 16 is adjusted laying length with the second auxiliary coverplate 17, using main cover plate 15 by the first adjacent auxiliary coverplate
16, the second auxiliary coverplate 17 or inter panel 18 are pushed down, and only need opening to lock when the cable in cable duct 1 needs repairing
Main cover plate 15, operating procedure needed for opening manhole cover plate 3 when reducing maintenance.
As shown in Figure 3, Figure 4, it is provided with the handle slot 25 of semicircular in shape on main cover plate 15, is provided with unlatching in handle slot 25
Handle 26, opening handle 26 include adjusting handle 27 and two rotating bars 28 that 27 two sides of adjusting handle are arranged in, two rotating bars 28
The upper end far from adjusting handle 27 is welded with axle sleeve 29.15 bottom of main cover plate is provided with linkage 30, and linkage 30 wraps
The universal driving shaft 31 for extending transversely through handle slot 25, the adjusting rod 32 to link with latch hook 24 are included, 15 bottom of main cover plate is welded with two branch
Strut 33, adjusting rod 32 are threaded through on two support rods 33, and 32 both ends of adjusting rod are respectively fixed with first pulley 34, universal driving shaft
31 both ends are respectively fixed with the second belt wheel 35, and V belt translation connects between first pulley and the second belt wheel.And two axle sleeves 29 cover
On universal driving shaft 31, and 31 both ends of universal driving shaft are respectively arranged with flat key, and the keyway to match with flat key is provided in axle sleeve 29,
Make to be keyed between axle sleeve 29 and universal driving shaft 31, is able to drive the rotation of universal driving shaft 31 by rotating opening handle 26, and drive tune
Pole 32 rotates, to control the cooperation of latch hook 24 and lock 23.
As shown in Figure 3, Figure 4,24 end of latch hook makes to lock integrally formed with swivel becket 36,36 sets of swivel becket on adjusting rod 32
It is relatively rotatable to each other between hook 24 and adjusting rod 32, is provided with caulking groove 37, mistake in caulking groove 37 in 36 two sides of swivel becket on adjusting rod 32
It is full of and is connected with adjustment sheet 38,36 two sides of swivel becket is welded with the locating piece 39 in semi-annular, drive when adjusting rod 32 rotates
Adjustment sheet 38 rotates, and when adjustment sheet 38 rotate in another semicircle opposite with locating piece 39 not will drive swivel becket 36 and transport
It is dynamic, when adjustment sheet 38 rotates and withstands 39 two sides of locating piece, continues to rotate and swivel becket 36 is driven to rotate, thus with moveable lock hook 24
Movement.One clockwork spring 40 is installed between each locating piece 39 and support rod 33, applies locating piece 39 to adjusting rod 32
One can turn round the power of reset.
As shown in Figure 5, Figure 6,25 two sides of handle slot offer the limiting slot 41 that can limit 26 rotational angle of opening handle,
Universal driving shaft 31 is horizontally through from limiting slot 41, and two axle sleeves 29 are separately mounted on two sides limiting slot 41, and adjusting handle 27 is set
It sets between two sides limiting slot 41, when opening handle 26 is towards when rotating in handle slot 25, rotating bar 28 can be connected to limiting slot 41
On limited.Two rotating bars 28 are in symmetrical L font, including stock 42 and quarter butt 43, axle sleeve 29 are welded on rotating bar 28
42 end of stock, and the quarter butt 43 of two rotating bars 28 is oppositely arranged, and the both ends of adjusting handle 27 offer and quarter butt 43 cooperates
Slot 44, two quarter butts 43 are socketed in respectively in corresponding slot 44, and 44 bottom of slot is further fixed on limit spring 45.Towards tune
It is close along 31 length direction of universal driving shaft that the direction extruding two sides rotating bar 28 of whole handle 27 makes two sides axle sleeve 29, and gos deep into quarter butt 43
Into slot 44, rotating bar 28 no longer abuts limiting slot 41 at this time, to enable opening handle 26 towards rotating in handle slot 25.
It is also respectively provided with mutually matched internal screw thread 46 and external screw thread 47 on 44 inner wall of slot and quarter butt 43, and 27 two sides of adjusting handle
Internal screw thread 46 is contrary with the external screw thread 47 of cooperation, after two sides quarter butt 43 gos deep into slot 44, internal screw thread 46 and outer spiral shell
Line 47 contacts with each other, and rotating adjusting handle 27 at this time makes internal screw thread 46 and external screw thread 47 be cooperatively connected, to rotating bar 28 and adjusting handle
27 are fixed, and internal screw thread 46 is closely connect under the elastic force effect of limit spring 45 with external screw thread 47.
As shown in figure 5, offering cover slot 48 in the opening of handle slot 25, the side of cover slot 48 is hinged with being capable of lid closing lid slot
48 protection cap 49, protection cap 49 and cover slot 48 are respectively arranged with mutually matched buckle 50 and card slot far from one end of articulated section
51, and rubber washer 52 is fixed in cover slot 48, it is fixed using 50 pairs of protection caps 49 of buckle with cover slot 48, utilizes rubber pad
Stability after 52 enhancing 49 lid closing lid slot 48 of protection cap of circle, while enhancing the leakproofness of handle slot 25.
The operating process that manhole cover plate 3 is opened in the present embodiment is as follows:
The main cover plate 15 to be opened first is selected, squeezing buckle 50 separates buckle 50 with card slot 51, to open main cover plate
The protection cap 49 in cover slot 48 on 15, then the opening handle 26 in handle slot 25 is rotated outwardly, it is convenient for next operation,
Then the rotating bar 28 of 26 two sides of opening handle is squeezed towards 27 direction of adjusting handle, the quarter butt 43 of rotating bar 28 is made to be deep into adjustment
In the slot 44 at 27 both ends of handle, when the external screw thread 47 on quarter butt 43 is abutted with the internal screw thread 46 in slot 44, adjusting handle is rotated
27 are connected and fixed external screw thread 47 with internal screw thread 46, and rotating bar 28, which rotates down, at this time does not abut with limiting slot 41, then will open
Open handle 26 drives universal driving shaft 31 to rotate towards rotating in handle slot 25, and makes the adjusting rod of 15 bottom of main cover plate by V belt translation
32 rotations, and the adjustment sheet 38 on adjusting rod 32 withstands on the side of semi-circular shape locating piece 39 and drives its rotation, to make
The rotation of latch hook 24 is realized with lock 23 to be separated.
After unclamping opening handle 26, adjusting rod 32 can reset under the action of clockwork spring 40, and drive opening handle
26 revolutions reset, and when needing latch hook 24 with latching 23 long-times and separating, opening handle 26 is greater than towards rotating in handle slot 25
180 degree produces opening handle 26 out of handle slot 25 other end, is rotated further by adjusting handle 27 and makes the outside bullet of two sides quarter butt 43
Out, so that rotating bar 28 is connected in limiting slot 41, turn round opening handle 26 can not, so that latch hook 24 and lock 23 be made to protect
Separation is held, convenient for the cable in cable duct 1 is checked and repaired.
The construction method step of the cable duct is as follows:
Step 1 excavates cable duct 1, and tamps soil layer；
Step 2 digs out side slot 4 in the opening of cable duct 1 two sides, and slot bottom is tamped；
Step 4 is drilled downwards by the fixation hole 8 on fixed edge 7, then installs setscrew in hole and be fixed；
Step 5, casting cement is covered fixed edge 7 with setscrew using cement until concordant with ground in side slot 4
It buries；
Step 6 is laid with cable in cable duct 1, and corresponding manhole cover plate 3 is installed on fixed frame 2, and cable duct 1 is covered
It closes.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (8)
1. a kind of cable duct, it is characterised in that: including cable duct (1), fixed frame (2) and manhole cover plate (3), the fixed frame (2)
Including being close to the bottom plate (6) of the side plate (5) and setting of the setting of cable duct (1) side wall in cable duct (1) bottom, the side plate of two sides
(5) upper end is respectively arranged with the slot cover that can be fitted by manhole cover plate (3) both ends, and the manhole cover plate (3) includes main cover plate (15),
It is provided with handle slot (25) on the main cover plate (15), is rotatably connected to opening handle (26) in the handle slot (25), it is described
It is provided between main cover plate (15) and side plate (5) locking device (22), the locking device (22) includes being positioned close to cover board
The latch hook (24) of lock (23) and setting in main cover plate (15) bottom on the side plate (5) of slot side, main cover plate (15) bottom
Portion is provided with the linkage (30) for making opening handle (26) and latch hook (24) to link, and the linkage (30) includes and unlatching
The universal driving shaft (31) of handle (26) linkage, the adjusting rod (32) with latch hook (24) linkage, the universal driving shaft (31) and adjusting rod
(32) it is linked between by V belt translation, is provided with the ring pipe covered on adjusting rod (32), the rotation on the latch hook (24)
Ring (36) two sides are provided with semi-annular locating piece (39), and adjusting rod (32) both ends have been arranged radially and can abut semicircle
The adjustment sheet (38) of ring shaped retainer member (39) either side.
2. cable duct according to claim 1, it is characterised in that: be provided on the swivel becket (36) and manhole cover plate (3)
The clockwork spring (40) of connection.
3. cable duct according to claim 1, it is characterised in that: the opening handle (26) includes two in L font
Rotating bar (28) and adjusting handle (27), stock (42) end of two rotating bars (28) are equipped with the axis being keyed with universal driving shaft (31)
It covers (29), the quarter butt (43) of two rotating bars (28) is oppositely arranged, and restricted rotating bar is arranged in handle slot (25) two sides
(28) limiting slot (41) of rotational angle, the both ends of the adjusting handle (27) are equipped with the slot (44) cooperated with quarter butt (43) and divide
It is not socketed on two quarter butts (43).
4. cable duct according to claim 3, it is characterised in that: be all provided in the slot (44) at adjusting handle (27) both ends
Be equipped with limit spring (45), be respectively arranged on slot (44) inner wall and quarter butt (43) mutually matched internal screw thread (46) with
External screw thread (47), the internal screw thread (46) of adjusting handle (27) two sides are contrary with the external screw thread (47) of cooperation.
5. cable duct according to claim 1, it is characterised in that: be provided with cover slot in the opening of the handle slot (25)
(48), the side of the cover slot (48) is rotatably connected to the protection cap (49) for capableing of lid closing lid slot (48), the protection cap (49)
Mutually matched buckle (50) and card slot (51), the cover slot (48) are respectively arranged with far from one end of rotary shaft with cover slot (48)
Inside it is provided with rubber washer (52).
6. cable duct according to claim 1, it is characterised in that: the cover board groove sidewall of the cable duct (1) wherein side
On be provided with location hole (11), on manhole cover plate (3) end of the same side be provided with location hole (11) cooperation locating piece (12),
Be provided with locating slot (13) in the slot cover of cable duct (1) other side, the corresponding side of the manhole cover plate (3) be provided with
The fixture block (14) of locating slot (13) cooperation.
7. cable duct according to claim 1, it is characterised in that: the manhole cover plate (3) further include the first auxiliary coverplate (16),
Second auxiliary coverplate (17) and inter panel (18), main cover plate (15) two sides are provided with welt (19), and described first is secondary
Cover board (16) side is provided with welt (19), the other side is provided with lower welt (20), and the two sides of the inter panel (18) are equal
It is provided with lower welt (20), the second auxiliary coverplate (17) two sides, which are respectively arranged with, symmetrically descends welt with the first auxiliary coverplate (16)
(20) with upper welt (19), the lower end surface of the upper welt (19) can be bonded to each other with the upper surface of adjacent lower welt (20).
8. cable duct according to claim 1, it is characterised in that: the opening two sides of the cable duct (1) are provided with side
Slot (4), the side plate (5) is respectively arranged with the fixed edge (7) with the cooperation of two side slots (4) towards two sides, on the fixed edge (7)
Offer fixation hole (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810134051.1A CN108462138B (en) | 2018-02-09 | 2018-02-09 | A kind of cable duct and its construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810134051.1A CN108462138B (en) | 2018-02-09 | 2018-02-09 | A kind of cable duct and its construction method |
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| CN109473938B (en) * | 2018-09-06 | 2023-12-15 | 国网浙江慈溪市供电有限公司 | Push-pull type folding cable trench cover plate |
| CN109616971A (en) * | 2018-11-27 | 2019-04-12 | 上海宝冶集团有限公司 | Cable duct model |
| CN110656661B (en) * | 2019-10-11 | 2021-07-27 | 深圳供电局有限公司 | Anti-theft cover plate |
| CN113315075B (en) * | 2021-04-21 | 2022-07-22 | 深圳供电局有限公司 | Cable trench cover plate convenient to open |
| CN113178833B (en) * | 2021-04-30 | 2023-02-10 | 广东电网有限责任公司 | Cable trench cover plate, monitoring device thereof and cable trench monitoring system |
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| CN108462138A (en) | 2018-08-28 |
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Address after: 325105 No.172, East Street, Tangtou village, Oubei Town, Yongjia County, Wenzhou City, Zhejiang Province Patentee after: Zhejiang Jiacheng Engineering Project Management Co.,Ltd. Address before: 325105 No.172, East Street, Tangtou village, Oubei Town, Yongjia County, Wenzhou City, Zhejiang Province Patentee before: WENZHOU JIACHENG ENGINEERING PROJECT MANAGEMENT Co.,Ltd. |