CN108265760A - Electronic Manhole cover assembly - Google Patents
Electronic Manhole cover assembly Download PDFInfo
- Publication number
- CN108265760A CN108265760A CN201810300761.7A CN201810300761A CN108265760A CN 108265760 A CN108265760 A CN 108265760A CN 201810300761 A CN201810300761 A CN 201810300761A CN 108265760 A CN108265760 A CN 108265760A
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- Prior art keywords
- shaft
- well lid
- rotation
- power source
- lock core
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- 230000001737 promoting effect Effects 0.000 claims abstract description 34
- 238000003756 stirring Methods 0.000 claims description 36
- 230000007246 mechanism Effects 0.000 claims description 12
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 230000000295 complement effect Effects 0.000 claims description 3
- 239000000837 restrainer Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 6
- 230000000630 rising effect Effects 0.000 abstract description 4
- 230000007423 decrease Effects 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000005856 abnormality Effects 0.000 description 2
- 230000000452 restraining effect Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000009428 plumbing Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
- E02D29/14—Covers for manholes or the like; Frames for covers
- E02D29/1418—Covers for manholes or the like; Frames for covers with implements to assist in lifting, e.g. counterweights, springs
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- 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
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The present invention relates to town road infrastructure technique domain variabilities to disclose a kind of electronic Manhole cover assembly rotatably opened and closed for piping lane, including well lid, well seat and rack, wherein, both well seat and well lid are fitted to each other with inclined-plane, and electronic Manhole cover assembly further comprises main drive part, main drive part includes main power source and slant lifting device, main power source is installed in rack, slant lifting device includes mounting bracket and promotes shaft, mounting bracket is fixed in rack, the one end for promoting shaft is connected to main power source and promotes the other end of shaft and is connected to well lid at the center far from well lid, when driving rotation by main power source, shaft is promoted to move up along the mounting bracket of cooperation while rotating, so as to which well lid be driven to be rotated beside piping lane while being promoted.According to the present invention, well lid can turn to the side of piping lane in the horizontal plane while rotating and rising, thus the shortcomings that overcome the prior art.
Description
Technical field
The invention belongs to town road infrastructure technique field, more particularly it relates to a kind of electronic well lid
Component.
Background technology
Piping lane, also known as common trench are the corridors of underground urban duct, are by electric power, communication, combustion gas, heat supply, plumbing etc.
The important infrastructure of guarantee city operations of the various utilities pipelines based on one.Piping lane manhole cover leads to ground from piping lane, side
Just engineering staff passes in and out.
The piping lane manhole class intelligent well cover of Vehicles Collected from Market existing type has the following problems：The type well lid is vertically opened,
During unlatching, for its vertical direction spatial have certain requirement, and open after for its normal orientation cannot bear compared with big load with
Cause causes its power plant to damage.
Therefore, it is necessary to such a electronic Manhole cover assembly, it can solve or at least mitigate above-mentioned to be deposited in the prior art
The shortcomings that.
Invention content
The technical problems to be solved by the invention are：There is provided one kind aim to solve the problem that or at least mitigate it is above-mentioned in the prior art
The electronic Manhole cover assembly of existing part or all of shortcoming.
In the first aspect of the present invention, provide a kind of electronic Manhole cover assembly, the electronic Manhole cover assembly include well lid,
Well seat and rack, the rack are fixed to piping lane together with the well seat, wherein, both the well seat and the well lid are with oblique
Face is fitted to each other, and the electronic Manhole cover assembly further comprises main drive part, and the main drive part includes active force
Source and slant lifting device, the main power source are installed in the rack, and the slant lifting device includes mounting bracket and carries
Shaft is risen, the mounting bracket is fixed in the rack, and described one end for promoting shaft is connected to the main power source and institute
The other end for stating promotion shaft is connected to the well lid at the center far from the well lid, is revolved when being driven by the main power source
When turning, the promotion shaft moves up while rotating along the mounting bracket of cooperation, so as to which the well lid be driven to exist
It is rotated beside the piping lane while promotion.
According to the present invention, well lid is rotated while being promoted beside piping lane, so as to rotate in the horizontal plane
To the side of piping lane, can't always be promoted in vertical direction.Thus, it will not be as when well lid be vertically opened in the prior art
Tool has disadvantages that.
Preferably, the mounting bracket has the first surface cylinder shape portion with through-hole；The promotion shaft has across institute
The the second surface cylinder shape portion for stating the ontology of through-hole and setting on the body, the diameter in the second surface cylinder shape portion
More than the diameter of the ontology and identical with the diameter in the first surface cylinder shape portion, the of the second surface cylinder shape portion
Two inclined-planes have the gradient identical with first inclined-plane in the first surface cylinder shape portion, described when the well lid is closed
Second inclined-plane is against first inclined-plane and fully mated with first inclined-plane and form cylinder, when by the main power source
During driving rotation, the promotion shaft while rotating can be by means of between second inclined-plane and first inclined-plane
Cooperation generates lift and moves up, so as to which the well lid be driven to be rotated beside the piping lane while being promoted.
Preferably, first inclined-plane of the mounting bracket when the well lid in the closure state close to the rack
The first top end include the first platform part, it is described promoted shaft second inclined-plane when the well lid in the closure state
The second top end for differing 180 degree in circumferencial direction with first top end includes the second platform part, when the shaft that promoted is from institute
State well lid be in closed state initial ramp cooperation position rotation 180 degree after, it is described promoted shaft second platform part
With first platform part of the mounting bracket against cooperation.
Such structure allows the well lid after well lid is opened completely that can obtain firm support.
Preferably, the electronic Manhole cover assembly further includes coupling arrangement, and the coupling arrangement includes being located at the promotion turn
Stir sleeve and positioned at the lock collar stirred on the outside of sleeve, the first lock core and the second lock in the outside of the upper end of axis
Core, at least one first slot that the upper end is further provided with the round hole extended in the vertical direction and radially extends
Portion；It is described to stir that sleeve is configured to that top is cylinder and lower part is in hollow circle tube, in the top for stirring sleeve
The through-hole extended in the vertical direction corresponding with the round hole for promoting shaft is provided with, it is described to stir the described of sleeve
Be provided in lower part with the corresponding aperture of first groove portion for promoting shaft, the lock collar be fixed to the well lid and
The second groove portion corresponding with first groove portion for promoting shaft is provided with, second lock core is arranged on the round hole
In the through-hole so that the promotion shaft can together be moved by means of stirring sleeve described in second lock core drive,
First lock core is arranged in first groove portion, second groove portion and the aperture so that at least described to stir sleeve
The lock collar can be driven by means of first lock core so as to which the well lid be driven to move together.
Well lid is driven to move simultaneously therefore, it is possible to drive to be promoted when shaft rotates and rises or rotate and decline in power source,
User can be met in power source in the event of failure from external open manhole cover.
Preferably, one end the second lock core spring of second lock core is against the bottom of the round hole, described
In the case that second lock core is not affected by outer force compresses with spring, a part for second lock core is located in the through-hole, is another
Part is located in the round hole, and under the length of second lock core and the complete compressive state of the second lock core spring
The sum of length be not more than the length of the round hole, also, the first lock core spring of one end of first lock core is against institute
The bottom of second groove portion of lock collar is stated, the other end of first lock core is set as with third inclined-plane, described first
In the case that lock core spring is not affected by outer force compresses, the top end on the third inclined-plane of first lock core turns against described promoted
The bottom of first groove portion of axis, the root on the third inclined-plane are located in the aperture for stirring sleeve, described group
The aperture of moving sleeve can compress the third inclined-plane of first lock core to force first lock core radially outward
Exit the aperture of first groove portion and first lock core for promoting shaft.
Preferably, the electronic Manhole cover assembly further includes connection position-limit mechanism, and the connection position-limit mechanism is revolved including track
Shaft end cap, track rotary shaft and sliding pin, the track rotary shaft couple with the main power source and by the main power sources
Driving rotation, the track rotation hubcap are fixed to the track rotary shaft and are therefore started shipment with the track rotary shaft one
Dynamic, the sliding pin is installed on the promotion shaft, and the track rotation hubcap is in notch cylindrical shape, the track rotary shaft
In complementary notch cylindrical shape, the track rotation hubcap and the track rotary shaft coordinate and limit use between
In the track channel of sliding pin movement, the track channel is circumferentially sequentially formed as lower horizontal portion, first vertically
Partly, upper horizontal portions and the second vertical section, and when the main power source drives the track rotary shaft rotation,
The sliding pin is driven to the constraint of the sliding pin by the track channel so drive the promotion shaft rotation and then
Correspondingly rise or fall, the track rotary shaft rotate to be located at the sliding pin can be right in the lower horizontal portion
The well lid in closed state is locked, and the track rotary shaft rotates to and makes the sliding pin perpendicular through described first
To part or second vertical section be in the upper horizontal portions can be in the well lid of opening into
Row locking.
In this manner it is achieved that the smooth of well lid is opened and is closed conscientiously.
Preferably, the connection position-limit mechanism is further provided with pressing device, and the pressing device is included in the rail
The recess that is set in the lower horizontal portion of mark channel in the track rotary shaft and it is set to the track rotation
The protrusion of shape complementation in hubcap, when the track rotary shaft rotates to, and the sliding pin is made to enter in the recess,
The protrusion compresses the sliding pin, so as to further apply pressing force to the well lid.
In this way, well lid can be caused further to be able to be locked to well seat conscientiously.
Preferably, the main power source uses output shafts decelerating motor, and the electronic Manhole cover assembly is further set
There are an additional locking devices, the additional locking devices couple that position-limit mechanism is circumferentially spaced and the auxiliary is locked with described
Device includes auxiliary power source, limiting lock rack, rotation jam plate and limiting jam plate, the limiting lock rack and is fixed to the well seat
On, the rotation jam plate on the upside of the limiting lock rack is installed, auxiliary power is installed on the downside of the limiting lock rack
Source, the end portion of the rotation jam plate are connected to the auxiliary power source to be driven by the auxiliary power source, the limit
Position jam plate is fixed to the side towards the well seat of the well lid so that when the auxiliary power source drives the rotation jam plate
During rotation, the rotation jam plate can be engaged with the limiting jam plate, be locked so as to fulfill auxiliary.
In this way, by primary lock device and additional locking devices, well lid can be caused further to be able to be locked to well conscientiously
Seat.Furthermore, it is possible to the various shortcomings having when avoiding hydraulic cylinder in the prior art as power plant.
Preferably, the additional locking devices include agitating lift transfer device, and the lift transfer device that agitates includes
Motor tapered end retainer mounted on the upside of the limiting lock rack, the motor tapered end retainer are upward convex in middle section
The plank shape risen, and through-hole is further provided in intermediate raised portion, the both ends of the motor tapered end retainer are fixed
In the limiting lock rack, so as to which there are space, the rotations between the intermediate raised portion and the limiting lock rack
Boss portion is provided at the lowest part of the extension of twist lock plate, the extension passes through the institute of the motor tapered end retainer
State the through-hole in intermediate raised portion and the boss portion is maintained at the intermediate raised portion and the limiting lock machine
In the space between frame.
In this way, it can protect auxiliary power source not by the load on vertical.
Description of the drawings
With reference to the attached drawing of accompanying, the more purposes of the present invention, function and advantage will pass through the as follows of embodiment of the present invention
Description is illustrated, wherein：
Figure 1A, Figure 1B, Fig. 1 C and Fig. 1 D schematically show rotary keying according to the embodiment of the present invention
Electronic Manhole cover assembly closure state, Fig. 1 E, Fig. 1 F, Fig. 1 G and Fig. 1 H schematically show according to the present invention
The state of the unlatching of electronic Manhole cover assembly rotatably opened and closed of embodiment.
Fig. 2 is to show that the stereo decomposing of electronic Manhole cover assembly rotatably opened and closed according to the embodiment of the present invention regards
Figure.
Fig. 3 A and Fig. 3 B respectively illustrate the electronic Manhole cover assembly rotatably opened and closed according to the embodiment of the present invention
The state that the initial engagement state of slant lifting device and rotation rise.
Fig. 4 schematically shows well lids and the fit system of well seat.
Fig. 5 schematically shows the slip of electronic Manhole cover assembly rotatably opened and closed according to the embodiment of the present invention
Sell the mobile route during well lid process from the closed to the open.
Fig. 6 schematically shows the electronic Manhole cover assembly rotatably opened and closed according to the embodiment of the present invention in well lid
Pressing device under closed state.
Fig. 7 schematically show the electronic Manhole cover assembly rotatably opened and closed according to the embodiment of the present invention be in by
The state of double locking that primary lock device and additional locking devices carry out.
Fig. 8 is schematically show the electronic Manhole cover assembly rotatably opened and closed according to the embodiment of the present invention auxiliary
Help locking device and its partial enlargement bottom view.
Fig. 9 schematically shows agitating for the electronic Manhole cover assembly rotatably opened and closed according to the embodiment of the present invention
Lift transfer device.
Figure 10 schematically shows the master of electronic Manhole cover assembly rotatably opened and closed according to the embodiment of the present invention
The main power source of drive part and for from the manual turntable of interior manual open manhole cover.
Figure 11 A show external hand opening device, and Figure 11 B schematically show external hand opening device and are applied to
The figure of electronic Manhole cover assembly rotatably opened and closed according to the embodiment of the present invention, Figure 11 C show that stirring sleeve is struck
Preceding state, Figure 11 D, which are shown, stirs the state after sleeve is struck.
Figure 12 schematically shows dialling for the electronic Manhole cover assembly rotatably opened and closed according to the embodiment of the present invention
The detail view of moving sleeve.
Specific embodiment
Hereinafter, the embodiment of the present invention will be described with reference to the drawings.By reference to exemplary embodiment, mesh of the invention
And function and be used to implement these purposes and the method for function and will be illustrated.However, the present invention be not limited to it is following
Disclosed exemplary embodiment；It can be realized by different form.In the accompanying drawings, identical reference numeral generation
The same or similar component of table or same or like step.
It is according to the present invention for the unlatching of electronic Manhole cover assembly rotatably opened and closed of piping lane and the state of closure, can join
See that Fig. 1, wherein Figure 1A to Fig. 1 D schematically show the electronic well lid rotatably opened and closed according to the embodiment of the present invention
The state of the closure of component, Fig. 1 E to Fig. 1 H schematically show the electricity rotatably opened and closed according to the embodiment of the present invention
The state of the unlatching of dynamic Manhole cover assembly.That is, the opening ways of the well lid of the electronic Manhole cover assembly of the present invention are such：
Well lid promotes very little a distance and at the same time rotates to the position of no longer masking piping lane in the horizontal plane in the vertical direction
It puts, that is, well lid is while rising around a certain rotation center, and -- this rotation center deviates the center of well lid -- revolves in the horizontal plane
Turn, so as to deviate the position of piping lane.Rather than as the prior art, the center of well lid it is consistent with the center of piping lane and only always
It is promoted to very high position in the vertical direction, so that user carries out any operation.
Fig. 2 shows the stereo decomposings of electronic Manhole cover assembly rotatably opened and closed according to the embodiment of the present invention to regard
Figure.As shown in the figure, electronic Manhole cover assembly includes well lid 29, rack 20 and well seat 23.Rack 20 is used to fix together with well seat 23
To piping lane.Electronic Manhole cover assembly further comprises main drive part, and main drive part includes main power source and slant lifting device.
The preferably bidirectional output shaft decelerating motor of main power source and the protruding portion for being installed to rack 20.As shown in Figure 3A and Figure 3B, tiltedly
Face lifting device includes mounting bracket 18 and promotes shaft 19.Mounting bracket 18 is fixed in rack 20, and with the first surface cylinder
Shape portion, the first surface cylinder shape portion are provided with through-hole, which allows promotion shaft 19 to pass therethrough.Wherein, mounting bracket 18
The first surface cylinder shape portion the first inclined-plane be preferably set to close to rack 20 side be higher than far from rack 20 side.
The ontology for promoting shaft 19 is cylinder, and the middle section for promoting the ontology of shaft 19 is additionally provided with the second surface cylinder shape portion.The
The diameter in two surface cylinder shape portions is more than the diameter of ontology and identical with the diameter in the surface cylinder shape portion of mounting bracket 18.It is promoted
Second inclined-plane in the second surface cylinder shape portion of shaft 19 and first inclined-plane in the first surface cylinder shape portion of mounting bracket 18 have
Identical gradient.In the state of well lid closure, the ontology for promoting shaft 19 passes through the through-hole of mounting bracket 18 to be mounted to make to carry
The second surface cylinder shape portion of shaft 19 is risen with the first surface cylinder shape portion of mounting bracket 18 to coordinate so as to form cylinder, that is,
The the second surface cylinder shape portion for promoting shaft 19 at this time is located at first position.That is, promote shaft 19 at this time second is oblique
Second inclined-plane of face cylindrical portion against first inclined-plane in the first surface cylinder shape portion of mounting bracket 18 and it is complete with the first inclined-plane
Cooperation.In this state, if user needs open manhole cover, the driving rotation promotion shaft 19 is needed, can be borrowed
Help to be promoted the cooperation of the first inclined-plane of the second inclined-plane and the mounting bracket 18 of shaft 19 therebetween and generate lift (in Fig. 3 A
Shown in arrow), and promotion shaft 19 is made to move up while rotating.
In the prior art, the actions such as the unlatching of manhole cover or intelligent well cover, compression sealing, antitheft are all by same hydraulic pressure
Cylinder is completed.If hydraulic system breaks down, such as pipelines from bursting, oil body leakage etc. hydraulic cylinder works pressure will occurs and lose now
As easily being levered up so as to cause manhole cover or intelligent well cover external force, so as to lose anti-theft feature.In addition, hydraulic oil own cost
It is higher, and once leak, deal with more difficult and meeting environmental pollution.And in the present invention, main power source is
Motor, and additional locking devices also include small type stepping motor 12, are filled this avoids hydraulic cylinder in the prior art as power
The various shortcomings having when putting.
Unlatching, locking, the realization of anti-theft feature and the processing of unusual condition of well lid are described below in conjunction with the accompanying drawings, thus
The structure composition of electronic Manhole cover assembly is more fully described.
First, the unlatching of well lid：
Shaft 19 is promoted to be rotated by means of the output torque that main power source 2 provides via appropriate coupling arrangement.Such as
Shown in figure, the upper end for promoting shaft 19 is connected to well lid 29 at the center far from well lid, enabling by promotion shaft
Well lid 29 is driven correspondingly to rotate rising for 19 rotation ascending motion or rotation descending motion or rotation declines and corresponding rotation
Shift position.
Promote a part (the inclined-plane top end of the top end on both the second inclined-plane of shaft 19 and the first inclined-plane of mounting bracket 18
Horizontal component) it is horizontally extending plane (platform part), that is, and the first platform part of mounting bracket 18 is disposed proximate to machine
The side of frame 20, the second platform part of promotion shaft 19 are set as the first platform in a state that well lid is closed with mounting bracket 18
Portion is separated by 180 degree in circumferencial direction.Thus when promoting shaft 19 from the initial inclined-plane cooperation position (state that i.e. well lid is closed
Under) above in conjunction with described in Fig. 2 such as rotation 180 degree is when moving upwards (i.e. the completely open state of well lid), promotion shaft
19 the second platform part and the first platform part of mounting bracket 18 are completely against cooperation, so as to which mounting bracket 18 is supported with the first platform part
It promotes the second platform part of shaft 19 and then partly supports and promote shaft 19 and well lid 29.Such structure allows in well lid 29
Well lid is stably supported in the state of opening.It should be noted that since mounting bracket 18 is fixedly mounted in rack 20, thus
In the process, mounting bracket 18 will not move always, only promote shaft 19 and rotated and upgraded under the action of main power source 2.
As shown in figure 4, well seat 23 and 29 respective composition surface of well lid are inclined-plane, so as under fully closed condition with oblique
Face coordinates, and then convenient for the rotation of well lid.
2nd, the locking of well lid：
Electronic Manhole cover assembly is provided with connection position-limit mechanism.Connection position-limit mechanism is connected to master for that will promote shaft 19
Power source 2 promotes shaft 19 so as to which the output torque of main power source 2 be passed to, while limits the movement model for promoting shaft 19
It encloses.
Couple position-limit mechanism to include track rotation hubcap (upper end cover) 11, track rotary shaft (bottom end cover) 5 and slide
Pin 16.As shown in Fig. 2, track rotation hubcap 11, in notch cylindrical shape, the outer wall of its underpart is vertically cut out a part；And
Track rotary shaft 5 is vertically cut out a part in complementary notch cylindrical shape, the outer wall of upper part.Track rotates hubcap 11
Consolidated in a manner of complimentary to one another by bolt 6, nut 7, spring washer 8, plain washer 9 and sleeve 10 with track rotary shaft 5
It is fixed.In this case, it is formed with track channel between track rotation hubcap 11 and track rotary shaft 5 so that the track channel
It circumferentially sequentially forms as lower horizontal portion, vertical section and upper horizontal portions.In addition, sliding pin 16 is by appropriate
Component such as spring catch 17 is fixed to the lower end for promoting shaft 19.The lower end for promoting shaft 19 is housed inside track rotation shaft end
In the space that lid 11 and track rotary shaft 5 are formed so that sliding pin 16 is placed on rotates hubcap 11 and track by track
It can move in the track channel that rotary shaft 5 is formed and in the track channel.
Track rotary shaft 5 is coupled by appropriate coupling arrangement such as thrust bearing 4 and shaft coupling 3 with main power source 2.Work as rail
When mark rotary shaft 5 rotates under the driving of main power source 2, promoting shaft 19 can be by means of track channel to sliding pin 16
It acts on and passively rotates, hereafter this is described in detail.
As shown in figure 5, in the original state that well lid 29 is closed completely, sliding pin 16 is in the lower horizontal portion of track channel
It is also the further locking to being in the promotion shaft 19 of lower limit position at this position in point.When initial, track rotation
Axis 5 is rotated together with track rotation hubcap 11 under the driving of main power source 2, promotes 19 remains stationary state of shaft at this time.When
Track rotary shaft 5 rotates to so that corner portion, the i.e. lower horizontal portion of its underpart horizontal component and the mistake of the first vertical section
When crossing part, contacting and then interact with sliding pin 16, sliding pin 16 is pushed against the corner portion, is promoted so as to drive
Shaft 19 passively rotates.When promotion shaft 19 starts rotation, shaft 19 is promoted simultaneously also relative to mounting bracket 18 in rotation
Rise simultaneously, therefore sliding pin 16 is also made to increase, is moved to the first vertical portion from the corner portion of the horizontal component of track channel
Point, so as to release lower limit position locking.At this point, because the first vertical section is to the constraint of the horizontal direction of sliding pin 16, i.e. sliding pin
16 and first between vertical section in the horizontal direction against and force and promote shaft 19 and continue to rotate, promote shaft 19 and borrow again
It helps and coordinates with the inclined-plane of mounting bracket 18 and continue to rise, sliding pin 16 also continues simultaneously along the first vertical section of track channel
It moves upwards.Sliding pin 16 is made to reach and be in the upper horizontal portions of track channel when promoting shaft 19 and continuing to rotate to
When, it promotes the rotation of shaft 19 and rises to restraining position thereon.Preferably, the second platform part of shaft 19 and mounting bracket 18 are promoted
The first platform part start to abut against cooperation.Correspondingly, well lid 29 also rises to restraining position thereon, and rotates at the beginning of it
The position of such as about 180 ° of position of beginning.At this point, well lid 29 is substantially completely opened.In the upper horizontal portions of track channel
When middle, the movement of sliding pin 16 is by the constraint in vertical direction, without by the constraint in horizontal direction.That is, it is promoted
Shaft 19 is limited together with well lid 29 and is locked at the upper limit position.Track rotary shaft 5 exists together with track rotation hubcap 11
Continue to rotate under the driving of main power source 2, promote shaft 19 because sliding pin 16 is by the constraint in vertical direction but not by level
Constraint on direction and at the height of upper limit position remains stationary.When track rotary shaft 5 is rotated to so that upper part is horizontal
Partial corner portion, i.e. upper horizontal portions are contacted with the transition portion of the second vertical section, with sliding pin 16 and then phase interaction
Used time, sliding pin 16 drive against the corner portion and promote the passively rotation of shaft 19.When need be closed well lid and cause promoted turn
When axis 19 starts again at rotation, promote shaft 19 and rotate again relative to mounting bracket 18.Also, promoting shaft 19
Second platform part and the first platform part of mounting bracket 18 are detached from against during cooperation, and promotion shaft 19 starts rotation and declines, therefore
Decline sliding pin 16, be moved to the second vertical section from the corner portion of the horizontal component of track channel, so as to release upper limit
Locking.At this point, because the second vertical section is to the constraint of the horizontal direction of sliding pin 16, i.e. 16 and second vertical section of sliding pin
Between in the horizontal direction against and force promoted shaft 19 continue to rotate, promoted shaft 19 again by oblique with mounting bracket 18
Face coordinates and continues to decline, and sliding pin 16 also continues to move downward along the second vertical section of track channel simultaneously.Turn when being promoted
Axis 19 is continued to rotate to when sliding pin 16 being made to reach and be in the lower horizontal portion of track channel, is promoted under the rotation of shaft 19
Its lower limit position is rolled back, correspondingly, well lid 29 also drops to its lower limit position, and rotates back to its initial position.This
When, well lid 29 has completely closed.
If main power source 2 continues to drive track rotary shaft 5 and track rotation hubcap 11, continue to repeat above-mentioned mistake
Journey.Mobile route of the sliding pin 16 during the process from the closed to the open of well lid 29 is as shown by the arrows in Figure 5.
It will be understood by those skilled in the art that main power source 2 can drive track rotary shaft 5 always in the same direction ---
Clockwise or counterclockwise --- it rotates and the promotion rotation of shaft 19 is driven to rotate decline after rising to open position
Track rotary shaft 5 can be driven first along after a direction spin for some time again along phase negative side to closed position or main power source 2
To rotation, the promotion rotation of shaft 19 to be driven to rise to behind open position, rotation is lowered back to closed position again.
Additionally, above-mentioned connection position-limit mechanism is further provided with pressing device.Specifically, as shown in fig. 6, in track
Fine pits are provided in the lower horizontal portion of channel, that is, in track, the notch section substantial middle position of rotary shaft 5 is provided with
Fine pits, and with being provided with shape complementation at the corresponding position of the fine pits after the installation of track rotary shaft end cap 11
Minute protrusions.Enter in lower horizontal portion in sliding pin 16, i.e. well lid 29 rotates that drop to will be complete from opening
During closed state, track rotary shaft 5 is rotated to so that in the entrance of sliding pin 16 fine pits, that is, is forced and promoted shaft 19 perpendicular
One section of micro-displacement is further generated in downwardly direction, so as to further apply pressing force to well lid, reaches pressuring action.
Above-mentioned connection position-limit mechanism is also referred to as primary lock device.
3rd, anti-theft feature：
The electronic Manhole cover assembly rotatably opened and closed according to the embodiment of the present invention has anti-theft feature simultaneously.It is described anti-
Stealing function can be realized by above-mentioned primary lock device.
Additionally, which can be further provided with additional locking devices (right side as shown in Figure 7
Point).Preferably, which is set with the circumferentially spaced 180 degree of above-mentioned primary lock device.The additional locking devices
Including small type stepping motor 12, limiting lock rack 13, motor tapered end retainer 14 and rotation jam plate 151 and limiting jam plate 152.Limit
Position lock machine frame 13 be fixed on well seat 23 at the position of 20 circumferentially-spaced 180 degree of rack.Pacify on the upside of limiting lock rack 13
Equipped with rotation jam plate 151, small type stepping motor 12 is installed on downside.The upper part of rotation jam plate 151 is formed as in level
The hook portion just upwardly extended.The end portion for rotating jam plate 151 is the extension extended downwardly from the root of above-mentioned hook portion.
The end portion of rotation jam plate 151 is connected to small type stepping motor 12 to drive rotation by small type stepping motor 12.Limiting lock
Plate 152 is mounted on well lid lower surface.The middle section of limiting jam plate 152 is arranged to house the hook portion of rotation jam plate 151
Recess.Limit jam plate 152 be fixed to well lid 29 towards the appropriate location on the side of well seat 23 so that rotation jam plate 151
Hook portion can be rotatably inserted into limiting jam plate 152 recess in.
After well lid 29 is fully rotated into the state being closed, the corresponding controllers (not shown) of electronic Manhole cover assembly will receive
It indicates the electric signal that well lid 29 has been closed completely, and then controls small type stepping motor 12 so as to drive the rotation rotation of jam plate 151 suitable
When angle (such as 90 degree) so that rotation jam plate 151 hook portion be inserted into limiting jam plate 152 recess in, as shown in figure 8,
It is achieved thereby that the limiting to well lid 29 so that well lid 29 cannot be agitated from outside, and then can realize anti-theft feature.
By the way that primary lock device is made to be acted on simultaneously with additional locking devices, double limitation can be carried out to well lid, so as to
Realize double anti-theft functions.
Locked in additional locking devices, i.e., in a state that rotation jam plate 151 is inserted into limiting jam plate 152, if necessary
Be again turned on well lid 29, only need to along normally-open direction (in fig. 8 be clockwise), that is, being carried out with additional locking devices
The identical direction in direction along the rotation of jam plate 151 is rotated during locking, is namely made in the case where rotation jam plate 151 remains stationary as
Direction of the limiting jam plate 152 far from rotation jam plate 151 on well lid 29, rotary well cover 29, without secondary control again
Small type stepping motor 12 is locked rotate additional locking devices negative direction with releasing.
Preferably, additional locking devices further comprise agitating lift transfer device.This agitates lift transfer device as peace
Motor tapered end retainer 14 mounted in the upside of limiting lock rack 13.What motor tapered end retainer 14 raised up in middle section
Plank shape, and through-hole is further provided in intermediate raised portion.The both ends of motor tapered end retainer 14 are fixed on limiting
On lock machine frame 13, so as to which there are spaces between projection portion and limiting lock rack 13 therebetween.Rotate the extension of jam plate 151
Lowest part at be provided with boss portion, and the centre for being further arranged to make its extension to pass through motor tapered end retainer 14 is convex
Play the through-hole in part and boss portion cannot pass through the through-hole so that be maintained at intermediate raised portion and limiting lock rack 13 it
Between space in.In this way, when well lid 29 is agitated from outside, rotation jam plate 151 is correspondingly in the vertical direction by upward
Agitate lift.In this case, the boss portion of rotation jam plate 151 is resisted against the intermediate projections portion of motor tapered end retainer 14
On the lower surface divided.Therefore, rotate suffered by jam plate 151 it is upward agitate on lift transfer to motor tapered end retainer 14,
Lift is agitated by the carrying of motor tapered end retainer 14, so as to protect small type stepping motor 12 not by the load on vertical.
Four：The processing of abnormal conditions：
(1) well lid internal staff's countermeasure after motor abnormality failure
Preferably, main power source 2 uses output shafts decelerating motor, and one end is with power plant (in the reality of the present invention
Apply position in mode and promote shaft 19) couple, the other end couples with manual turntable 1, as shown in Figure 10.
When motor is abnormal failure, internal staff can be solved by manual rotation manual turntable 1 and rotation jam plate 151
Except the locking to well lid 29, so as to from internal rotating open manhole cover 29.
In the prior art, in power-off or accident, as piping lane internal engineering staff needs promptly to dredge from manhole cover
It dissipates or escapes, and the larger manpower of needs is opened in the inside of well lid, will waste valuable escape time.It in the present invention, can be with
As described above easily effortlessly well lid is opened from inside.
(2) well lid external staff's countermeasure after motor abnormality failure
Preferably, the electronic Manhole cover assembly according to the present invention rotatably opened and closed further comprises external hand opening device
30th, lock collar, lock core 24, lock core spring 25, stir sleeve 26, lock core cylinder 27, lock core cylinder spring 28.Wherein, lock collar is solid
Due to will not move on well lid and relative to well lid.Stirring sleeve 26 can rotate relative to lock collar and promotion shaft 19.
The upper end end for promoting shaft 19 is further arranged to the substantially cylinder for being diametrically more than the rotation axis ontology diameter
Shape is provided with circumferentially distributed vertically extending round hole at the top of the upper end end, four is illustrated as, wherein arranging
There are lock core cylinder 27 and lock core cylinder spring 28, and lock core cylinder spring 28 is positioned over the bottom of round hole, cylinder lock
Core 27 is placed on lock core cylinder spring 28 so that the only cylinder lock in the case where lock core cylinder spring 28 is uncompressed
A part of length of core 27 is located in the round hole.Radially prolong in addition, being provided at the approximately mid way between of the upper end end
At least one groove portion stretched, setting is there are two the circumferentially groove portion to be equally spaced apart from a preferred embodiment, such as Figure 11 A
Shown in Figure 11 B.It is disposed with outside the upper end end for promoting shaft 19 and stirs sleeve 26.As shown in figure 12, stirring sleeve 26 is in
Substantially cylindrical (the being illustrated as stepped cylinder) lower part in top is the configuration with certain thickness cylinder.Stir the upper of sleeve 26
Portion stepped cylinder part, upper end end with promoting shaft 19 round hole correspondingly, be provided with it is circumferentially distributed perpendicular
To the through-hole of extension, four are illustrated as, the top of lock core cylinder 27, the portion being not disposed in the round hole for promoting shaft 19
Divide, be placed among the through-hole so that lock core cylinder 27 will not be from top in the case where lock core cylinder spring 28 is uncompressed
Beyond stirring outside sleeve 26.The length of lock core cylinder 27 is set so that in lock core cylinder spring 28 by outer force compresses
In the case of lock core cylinder 27 can be fully located at promoted shaft 19 upper end end in round hole in.Stir the lower part circle of sleeve 26
Cylinder partial response it is provided with number and width aperture corresponding with the groove portion of promotion shaft 19.Stirring the outside of sleeve 26 again
It is disposed with lock collar.Lock collar includes the lock collar left side 21 to link together and lock collar right side 22.Lock collar can pass through suitable side
Formula is fixed to well lid 29.Lock collar is also equipped with number and width with promoting the corresponding groove portion of groove portion of shaft 19.In lock collar
Circumferentially to be respectively disposed with lock core 24 and lock core spring 25 in the groove portion that is equally spaced apart from, wherein, lock core spring 25 is arranged in
In groove portion bottom, lock core 24 is arranged on lock core spring 25 so that is uncompressed or lock core spring 25 in lock core spring 25
Lock core 24 can be inserted into the correspondence for promoting shaft 19 to pass through the aperture of sliding set cylinder 26 in the case of with certain pre compressed magnitude
In groove portion.The top of the close promotion shaft 19 of lock core 24 is preferably set to inclined-plane, and two lock cores 24 are so that the inclined-plane is mutual
The mode of facing other side is arranged in each groove portion.The length and lock core spring 25 of lock core 24 are set so that in lock core bullet
Spring 25 by outer force compresses in the case of lock core 24 can exit and stirred except sleeve 26 completely, that is, be fully located at the groove portion of lock collar
It is interior, it is specifically shown in Figure 11 B.
Preferably, as can see from Figure 11, in the state of complete assembling, lock core cylinder is under spring 28
Portion against promoted shaft 19 upper end end in round hole bottom, 27 lower part leaning cylinder lock core spring 28 of lock core cylinder
And be placed in round hole, upper part is placed in the through-hole for stirring sleeve 26；The inclined-plane top end of lock core 24 is against promoting shaft 19
Groove portion bottom, and a certain position of the inclined-plane root of lock core 24 between the thickness direction for stirring sleeve 26, and lock core 24
Non- beveled ends against lock core spring 25 and positioned at lock collar groove portion in.The intensity of lock core cylinder 27, which enables, promotes shaft 19
It is enough to stir sleeve 26 by means of the drive of lock core cylinder 27 and move together, and the intensity of lock core 24 enables and stirs sleeve 26 and borrow
Help lock core 24 and drive lock collar, so as to which well lid 29 be driven to move together.
The lower end of external hand opening device 30 is provided with cylindrical boss, from cylindrical boss extended downwardly diameter with
Stir sleeve 26 through-hole cooperation and length be equal to the through-hole length cylindrical embedded part 31.
When motor is abnormal failure, external staff can first pass through rotation of the peripheral control unit by internal additional locking devices
Twist lock plate 151 is unscrewed, then the cylindrical embedded part 31 of external hand opening device 30 is fully inserted into and stirs the logical of sleeve 26
In hole, thus pressing down on lock core cylinder 27 makes in the round hole that it is completely disposed in the upper end end for promoting shaft 19, rotation
External hand opening device 30, so as to stir sleeve 26 by the drive of the cylindrical embedded part 31 of external hand opening device 30
In Figure 11 rotationally clockwise, the aperture inside edge for stirring sleeve 26 is made to stir lock core 24 to lock collar left side 21 and lock
22 inside of disk right side is pressed into, until the non-porous sections for stirring sleeve 26 withstand lock core 24 so that lock collar is disconnected with stirring sleeve 26
Couple and therefore couple, and then well lid 29 is made to be detached with main drive part with promoting the disconnection of shaft 19.In this state, outside
Portion personnel can pick up well lid 29.
It should be noted that other than the above embodiment, the present invention also has a lot of other embodiments certainly, this
In disclose the present invention explanation and practice be merely illustrative, what has been described above is only a preferred embodiment of the present invention,
For those of ordinary skill in the art, without departing from the principle of the present invention, can also make it is several deformation and
It improves, these also should be regarded as belonging to the scope of protection of the present invention.
Reference numeral：
1. manual turntable
2. Dual-output shaft motor
3. shaft coupling
4. thrust bearing
5. track rotary shaft (bottom end cover)
6. bolt
7. nut
8. spring washer
9. plain washer
10. sleeve
11. track rotates hubcap (upper end cover) 12. small type stepping motor
13. limiting lock rack
14. motor tapered end retainer
151. rotation jam plates
152. limiting jam plates
16. sliding pin
17. spring catch
18. mounting bracket
19. promote shaft
20. rack
21. lock collar left side
22. lock collar right side
23. well seat
24. lock core
25. lock core spring
26. stir sleeve
27. lock core cylinder
28. lock core cylinder spring
29. well lid
30. external hand opening device
31. embedded part.
Claims (10)
1. a kind of electronic Manhole cover assembly, the electronic Manhole cover assembly includes well lid, well seat and rack, the rack and the well
Seat is fixed to piping lane together, which is characterized in that
Both the well seat and the well lid are fitted to each other with inclined-plane, and
The electronic Manhole cover assembly further comprises main drive part, and the main drive part includes main power source and slant lifting
Device, the main power source are installed in the rack, and the slant lifting device includes mounting bracket and promotes shaft, the peace
It shelves fixed in the rack, described one end for promoting shaft is connected to the main power source and described promotes the another of shaft
One end is connected to the well lid at the center far from the well lid, when driving rotation by the main power source, the promotion
Shaft moves up while rotating along the mounting bracket of cooperation, so as to drive the well lid while being promoted to institute
It states and is rotated beside piping lane.
2. electronic Manhole cover assembly according to claim 1, which is characterized in that
The mounting bracket has the first surface cylinder shape portion with through-hole；
The shaft that promoted has ontology and the second surface cylinder shape portion for setting on the body across the through-hole,
The diameter in the second surface cylinder shape portion be more than the ontology diameter and with the diameter phase in the first surface cylinder shape portion
Together, second inclined-plane in the second surface cylinder shape portion has and first inclined-plane in the first surface cylinder shape portion is identical inclines
Gradient,
When the well lid is closed, second inclined-plane is against first inclined-plane and and shape fully mated with first inclined-plane
Into cylinder,
When driving rotation by the main power source, the promotion shaft while rotating can be by means of second inclined-plane
Cooperation between first inclined-plane generates lift and moves up, so as to drive the well lid while being promoted to described
It is rotated beside piping lane.
3. electronic Manhole cover assembly according to claim 2, which is characterized in that work as on first inclined-plane of the mounting bracket
The well lid includes the first platform part close to the first top end of the rack in the closure state,
Work as the well lid in the closure state with first top end in circumference in second inclined-plane for promoting shaft
Second top end of direction difference 180 degree includes the second platform part,
It is described to carry after the promotion shaft is in the initial ramp cooperation position rotation 180 degree of closed state from the well lid
Second platform part of shaft and first platform part of the mounting bracket are risen against cooperation.
4. electronic Manhole cover assembly according to any one of claim 1 to 3, which is characterized in that the electronic Manhole cover assembly
Further include coupling arrangement, the coupling arrangement include being located at the outside of the upper end for promoting shaft stir sleeve and
Positioned at the lock collar stirred on the outside of sleeve, the first lock core and the second lock core,
The upper end be further provided with the round hole extended in the vertical direction and radially extend at least one first
Groove portion；
It is described to stir that sleeve is configured to that top is cylinder and lower part is in hollow circle tube, in the top for stirring sleeve
The through-hole extended in the vertical direction corresponding with the round hole for promoting shaft is provided with, it is described to stir the described of sleeve
Aperture corresponding with first groove portion for promoting shaft is provided in lower part,
The lock collar is fixed to the well lid and is provided with the second slot corresponding with first groove portion for promoting shaft
Portion,
Second lock core is arranged in the round hole and the through-hole so that the promotion shaft can be by means of described the
Sleeve is stirred described in the drive of two lock cores to move together,
First lock core is arranged in first groove portion, second groove portion and the aperture so that at least described to stir
Sleeve can drive the lock collar so as to which the well lid be driven to move together by means of first lock core.
5. electronic Manhole cover assembly according to claim 4, which is characterized in that the second lock core of one end of second lock core
With spring against the bottom of the round hole, in the case where second lock core is not affected by outer force compresses with spring, described
A part for two lock cores is located in the through-hole, another part is located in the round hole, and the length of second lock core
It is not more than the length of the round hole with the sum of the length under the complete compressive state of the second lock core spring,
Also, the first lock core spring of one end of first lock core is against the bottom of second groove portion of the lock collar, institute
The other end for stating the first lock core is set as with third inclined-plane, and the situation of outer force compresses is not affected by first lock core spring
Under, the top end on the third inclined-plane of first lock core is described against the bottom of first groove portion for promoting shaft
The root on third inclined-plane is located in the aperture for stirring sleeve, and the aperture for stirring sleeve can compress described
The third inclined-plane of first lock core with force first lock core radially outward exit it is described promoted shaft first slot
Portion and the aperture of first lock core.
6. electronic Manhole cover assembly according to any one of claim 1 to 5, which is characterized in that the electronic Manhole cover assembly
Connection position-limit mechanism is further included, the connection position-limit mechanism includes track rotation hubcap, track rotary shaft and sliding pin, described
Track rotary shaft, which couples with the main power source and driven by the main power source, to be rotated, and the track rotation hubcap is fixed to
Therefore the track rotary shaft is simultaneously moved with the track rotary shaft, the sliding pin is installed on the promotion shaft,
The track rotation hubcap is in notch cylindrical shape, and the track rotary shaft is in complementary notch cylindrical shape, the track
Rotation hubcap and the track rotary shaft coordinate and limit the track channel moved for the sliding pin between,
The track channel circumferentially sequentially forms perpendicular for lower horizontal portion, the first vertical section, upper horizontal portions and second
To part, and
When the main power source drives the track rotary shaft rotation, by constraint of the track channel to the sliding pin
It drives the sliding pin and then the promotion shaft is driven to rotate and then correspondingly rise or fall, the track rotary shaft rotation
The well lid for being in closed state can be locked to the sliding pin is made to be located in the lower horizontal portion, and institute
Stating track rotary shaft and rotating to makes on the sliding pin is in described through first vertical section or second vertical section
The well lid for being in opening can be locked in portion's horizontal component.
7. electronic Manhole cover assembly according to claim 6, which is characterized in that the connection position-limit mechanism is further provided with
Pressing device, the pressing device, which is included in the lower horizontal portion of the track channel, is set to the track rotation
The protrusion of recess and the shape complementation being set in the track rotation hubcap in axis, when the track rotary shaft rotates
To when the sliding pin being made to enter in the recess, the protrusion compresses the sliding pin, so as to further be applied to the well lid
Compressive force.
8. electronic Manhole cover assembly according to any one of claim 1 to 7, which is characterized in that
The main power source uses output shafts decelerating motor,
The electronic Manhole cover assembly is further provided with additional locking devices, and the additional locking devices couple position restrainer with described
Structure is circumferentially spaced and the additional locking devices include auxiliary power source, limiting lock rack, rotation jam plate and limiting lock
Plate,
The limiting lock rack is fixed on the well seat, and the rotation jam plate, institute are equipped on the upside of the limiting lock rack
It states and auxiliary power source is installed on the downside of limiting lock rack, the end portion of the rotation jam plate is connected to the auxiliary power source
To be driven by the auxiliary power source, the limiting jam plate is fixed to the side towards the well seat of the well lid so that
When the auxiliary power source driving rotation jam plate rotation, the rotation jam plate can be engaged with the limiting jam plate, from
And realize auxiliary locking.
9. electronic Manhole cover assembly according to claim 8, which is characterized in that the upper part of the rotation jam plate is in water
Square hook portion upwardly extended, the end portion of the rotation jam plate is the extension extended downwardly from the root of the hook portion
Portion, the extension is connected to the auxiliary power source, and the middle section of the limiting jam plate is arranged to that institute can be housed
State the recess of the hook portion of rotation jam plate so that described when the auxiliary power source driving rotation jam plate rotation
Hook portion is rotatably inserted into the recess on the horizontal level, is locked so as to fulfill auxiliary.
10. electronic Manhole cover assembly according to claim 9, which is characterized in that the additional locking devices include agitating liter
Power transfer device, the lift transfer device that agitates include being mounted on the motor tapered end holding of the upside of the limiting lock rack
Frame, the motor tapered end retainer is in the plank shape that middle section raises up, and is further set in intermediate raised portion
Through-hole is equipped with, the both ends of the motor tapered end retainer are fixed in the limiting lock rack, so as in the intermediate projections portion
There are space point the limiting lock rack between, boss is provided at the lowest part of the extension for rotating jam plate
Portion, the extension pass through the motor tapered end retainer the intermediate raised portion in the through-hole and the boss portion
It is maintained in the space between the intermediate raised portion and the limiting lock rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810300761.7A CN108265760A (en) | 2018-04-04 | 2018-04-04 | Electronic Manhole cover assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810300761.7A CN108265760A (en) | 2018-04-04 | 2018-04-04 | Electronic Manhole cover assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108265760A true CN108265760A (en) | 2018-07-10 |
Family
ID=62778188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810300761.7A Pending CN108265760A (en) | 2018-04-04 | 2018-04-04 | Electronic Manhole cover assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108265760A (en) |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180710 |