CN108487329A - A kind of municipal well lid of safety and extracting tool and assembly and disassembly methods - Google Patents

Abstract

The present invention provides a kind of municipal well lid of safety and extracting tools and assembly and disassembly methods, belong to municipal works apparatus field.It solves the problems, such as that existing well lid dismounting is difficult.Safety municipal administration well lid, including well seat and lid, well seat inner wall is equipped with baffle ring, further includes bottom end and the fixed support column in baffle ring top surface, and support top end is fixed with supporting block, it further include support plate, support plate is equipped with supported hole, and support column is threaded through in supported hole, and support plate top surface is fixed with anti-sand sleeve, further include the compressed spring of set on the support columns, anti-sand sleeve inner wall is equipped with locked groove；Removal hole there are two being set on lid, removal hole includes sets of holes, sets of holes side hole wall is equipped with mounting hole, and lid bottom surface is equipped with fixing groove, and fixing groove is embedded with closing piece, closing piece outer wall is equipped with bar slot, bar groove groove wall is equipped with limiting slot one, and lockhole is equipped in lid, locking bar is installed in lockhole, locking bar inner end is fixed with limited block, further includes the return spring being located in removal hole.This well lid can improve anti-theft and reduce dismounting difficulty.

Description

A kind of municipal well lid of safety and extracting tool and assembly and disassembly methods

Technical field

The invention belongs to municipal works equipment technical fields, are related to a kind of municipal administration well lid and extracting tool and dismounting side safely Method.

Background technology

Important component of the sewer pipe as sewerage system already becomes the important municipal administration in urban construction Job facilities.After well lid used at present installs and uses a period of time, the gap between well seat and lid will be filled up by silt, Making to be again turned on becomes very laborious, can not open when serious or be damaged to well lid.

It is existing application No. is 201620468375.5, the Chinese utility model of entitled " easy care municipal engineering manhole cover " is special Profit, the annular anti-sand sleeve of setting at the gap between well seat and lid, and be fixed on anti-sand sleeve and lid underrun bullet The adjustable plate of spring connection, when dismounting, bolt is screwed onto on adjustment hole, so that bolt bottom end is pushed adjustable plate, and make under anti-sand sleeve It moves, and is detached with lid outer wall, filling up gap to avoid silt causes to open difficulty；But it has the following problems：

1, since lid is pressurized often, and use environment is complicated, thus the internal thread of adjustment hole be easy fail in compression or by Corrosion and damage, it is extremely difficult to keep complete, installation bolt can not be coordinated after damage；

2, it since adjustable plate and anti-sand sleeve are fixed with lid, even if adjustable plate drives anti-sand sleeve to move down, but dismantles During lid, it is desired nonetheless to split out anti-sand sleeve together with lid out of well seat, it is therefore desirable to axially split out lid along well seat, and whole Anti-sand sleeve outer wall is always with wall friction in well seat in a disassembly process, although being avoided that sandstone influence, dismounting difficulty is not also low；

3, adjustable plate is circular plate structure, will increase lid weight, while influencing manhole cover structure.

In addition, existing, application No. is 201610893655.5, in entitled " a kind of antitheft municipal well lid detaching structure " State's patent of invention coordinates fixed lid in lid bottom by axis pin junction steel plate using the card slot of steel plate and well seat inner wall, When dismounting, removal rod is screwed onto on removal hole, and removal rod is made to push cover board, so that steel plate is rotated around axis pin, and and card slot Separation, to dismantle lid；But it has the following problems：

1, consistent with the above problem, since lid is pressurized often, and use environment is complicated, therefore the internal thread of removal hole holds Easy fail in compression or by corrosion and damage, it is extremely difficult to keep complete, installing and dismounting bar can not be coordinated after damage；

2, due to needing the cooperation of more removal rods, it is therefore desirable to be spirally connected fixed removal rod by root, disassembly process is cumbersome；

3, lid be mounted on well seat on after can not location and installation lid, cause card slot that can not coordinate successively with steel plate, therefore It needs to be directed at card slot and steel plate, installation is caused to bother；

4, the gap between lid and well seat does not have sand-prevention structure, is easy to be influenced by sandstone, causes to open difficulty, because It is necessary to be improved for this.

Invention content

The purpose of the present invention is being directed to the above-mentioned problems in the prior art, it is more preferable to provide a kind of anti-theft, uses Occasion is wider, and dismounts the municipal well lid of more convenient labour-saving safety and extracting tool and assembly and disassembly methods.

Object of the invention can be realized by the following technical scheme：A kind of municipal well lid of safety, including circular ring shape well seat With the circular plate lid being located in well seat, it is characterised in that：The well seat inner wall is equipped with annular baffle ring, and baffle ring top surface is less than Well seat top surface, and it is vertical with well seat inner wall, further include several bottom ends and the fixed support column in baffle ring top surface, support column length direction Parallel with baffle ring axis, support top end is fixed with supporting block, and several supporting blocks are identical as baffle ring axial line distance, and if It is parallel with baffle ring top surface that Heavenly Stems and Earthly Branches bracer surrounds the plane to be formed, and further includes circular ring shape plate-like support plate, is set in the support plate There are several supported holes, and several support columns are threaded through respectively in several supported holes, the support plate top surface outer is solid Surely have round shell-like anti-sand sleeve, further include set compressed spring on the support columns, compressed spring both ends respectively with baffle ring top surface and branch Fagging bottom surface offsets, and the anti-sand sleeve inner wall is coaxially provided with one of annular lock groove；

It being set on the lid there are two the removal hole for running through lid top and bottom, removal hole includes circular hole sets of holes, It is parallel with lid axis to cover axially bored line, sets of holes side hole wall is equipped with notch shape poroid mounting hole, and mounting hole is with being mutually parallel Both sides hole wall, lid bottom surface are equipped with circular groove shape fixing groove, and fixing groove axis is parallel with set axially bored line, and fixing groove slot diameter and fixation Hole two side holes wall is of same size, and activity cooperation is embedded with cylindrical closing piece in the fixing groove, and the closing piece outer wall is equipped with one Road bar slot, bar groove groove wall are equipped with limiting slot one, and one length direction of limiting slot is arranged with closing piece axis in angle, in the lid The rod-shaped lockhole of fixed groove groove wall and lid outer wall is located at equipped with both ends, lockhole axis is radial radial with fixing groove along lid Setting, and be fixed groove groove wall and lid outer wall the shortest route, in the lockhole activity be equipped with locking bar, locking bar inner end is located at On bar slot, and be fixed with the limited block being slidably disposed on limiting slot one, further include be located at fixing groove in, and both ends respectively with fixation The return spring that groove top end and closing piece top offset；

Several supporting blocks are withstood on respectively on lid bottom surface, and the compressed spring pushes support plate bottom surface, makes to prevent Sand set is between lid and well seat, and anti-sand sleeve inner and outer wall is adjacent to lid outer wall and well seat inner wall respectively, anti-sand sleeve Top is aligned with well seat top surface and lid top surface respectively, and supporting block is against between support plate and lid, and makes support plate and lid Body interval is arranged, and sets of holes projection is located in support plate, and the return spring pushes closing piece, and limited block is made to be located at limiting slot one Top, and lid outer wall is stretched out in locking bar outer end, and in locked groove, and pressure closing piece bottom end can be gone up, so that limited block is slid into limit One bottom end of slot, and locking bar outer end is made to be detached with locked groove, and in lockhole.

After lid is mounted on well seat, since anti-sand sleeve inner and outer wall is adjacent to lid outer wall and well seat inner wall respectively, Anti-sand sleeve top is aligned with well seat top surface and lid top surface respectively, therefore is avoided that between lid and well seat and is blocked by silt, is led It causes to open difficulty, and is coordinated using locking bar and locked groove, opposite lid and anti-sand sleeve can be locked, since anti-sand sleeve passes through support column phase To being fixed on well seat, therefore lid and well seat opposite can be locked, and since locked groove is the loop configuration positioned at anti-sand sleeve inner wall, There is no need to location and installation lids so that and it is easier for installation, when dismounting, fixed by extracting tool and removal hole, and upper pressure Closing piece makes locking bar outer end be detached with locked groove, push support plate later, and anti-sand sleeve is made to move down, and due to being connect with anti-sand sleeve Support plate is connected on the baffle ring of well seat, therefore during dismounting lid, without anti-sand sleeve outer wall and wall friction in well seat, therefore The more laborsaving dismounting lid of energy, and support plate is circular ring shape platy structure, can effectively reduce the influence to well lid, and due to closing piece It is located at below lid with fixing groove, is avoided that the structure after being used for a long time in closing piece by corrosion and damage.

In a kind of above-mentioned municipal well lid of safety, described two removal holes are set using lid axis as axis in symmetrical structure On lid.

Therefore facilitate and dismount lid using extracting tool.

In a kind of above-mentioned municipal well lid of safety, the lid bottom surface is coaxially provided with one of annular mounting groove, installation Slot slot bottom is parallel with lid bottom surface, and extends towards cover edge, and when supporting block is against on lid bottom surface, supporting block top is supported In mounting groove slot bottom, supporting block side wall is against in installation groove groove wall.

Therefore it can utilize mounting groove that lid is installed with supporting block cooperation rapid alignment.

In a kind of above-mentioned municipal well lid of safety, the fixing groove notch has fillet or chamfering, and works as limited block When positioned at one top of limiting slot, the closing piece bottom end is higher than fixing groove notch height.

A kind of extracting tool for the municipal well lid of safety, it is characterised in that：Including outer diameter circle identical with sets of holes aperture Shell-like fixing sleeve is coaxially provided with internal thread hole in fixing sleeve, further includes the externally threaded removal rod of band that top is fixed with handwheel, institute The removal rod stated is screwed onto on internal thread hole, further includes the axis round bar shape fixed link parallel with fixing sleeve axis, fixed link bottom End bends and is fixed with fixing sleeve bottom end outer wall, and the fixed link bar diameter is identical as fixing groove slot diameter, in the fixing sleeve Portion's outer wall has external screw thread, further includes the interstage sleeve being sleeved on fixing sleeve outer wall that is spirally connected；

And fixing sleeve top can be held, and fixing sleeve and fixed link are respectively cooperating with and stretch into sets of holes and mounting hole, and can enclose Fixing sleeve is rotated around fixing sleeve axis, and pulls up fixing sleeve, makes fixed link cooperation in the fixing groove, and fixed link top Closing piece is pressed on end, so that limited block is slid into one bottom end of limiting slot, locking bar outer end is made to be detached with locked groove, and in lockhole, and energy It is relatively fixed set rotation interstage sleeve, so that interstage sleeve bottom end is adjacent to and is against on lid top surface, and extracting tool is made to be relatively fixed with lid, and Removal rod rotation can be driven by rotation hand wheel, and so that removal rod is relatively fixed set and moved down, and described in the pushing of removal rod bottom end Support plate makes support plate that anti-sand sleeve be driven to move down, and can hold handwheel and dismantle the lid from well seat.

This extracting tool stretches into sets of holes and mounting hole in use, fixing sleeve and fixed link are respectively cooperating with, and rotation pull-up is solid Fixed set, makes fixed link be embedded in fixing groove, is relatively fixed set rotation interstage sleeve, so that interstage sleeve bottom end is adjacent to and be against on lid top surface, make to tear open It unloads tool to be relatively fixed with lid, presses closing piece on fixed link top at this time, so that locking bar outer end is detached with locked groove, later rotation hand wheel Removal rod rotation is driven, so that removal rod is relatively fixed set and moves down, and removal rod bottom end pushes support plate, support plate is made to drive sand prevention Set moves down, and holds handwheel later and dismantles lid from well seat, therefore mounting and dismounting tool is very convenient, and the dismounting after installation Tool and removal hole fixation are sufficiently stable, while removal hole is hardly damaged, and use occasion is wider, and passes through two removal rod bottom ends It is common to push support plate, it is avoided that the excessive stress of support plate single-point, causes dismounting difficult.

In a kind of above-mentioned two demountors for being used in the extracting tool of the municipal well lid of safety, being connect with two removal holes In structure, a handwheel rotates clockwise, another handwheel rotates counterclockwise, then corresponding two removal rods are with respect under fixing sleeve It moves or is moved up with respect to fixing sleeve.

Therefore more convenient two handwheels can be with the hands operated respectively.

In a kind of above-mentioned extracting tool for the municipal well lid of safety, the fixing sleeve is on the outer wall on top It is fixed with grip, fixing sleeve outer wall activity cooperation is cased with sliding sleeve, and the external screw thread is located on sliding sleeve outer wall, and interstage sleeve is spirally connected set Further include being sleeved on fixing sleeve on sliding sleeve outer wall, and the resetting spring that both ends offset with grip bottom end and sliding sleeve top respectively, Fixing sleeve outer wall is equipped with limiting slot two, and limiting slot two is equipped with several locating slots along the distribution of two length direction of limiting slot, institute The sliding sleeve stated is equipped with jack, further includes the bolt being inserted on jack, bolt, which is fixedly arranged at the front end with, to be slidably disposed on limiting slot two Sliding block, the resetting spring push sliding sleeve top, so that interstage sleeve bottom end is against on lid top surface, and can push bolt rear end, make Sliding block rotates interstage sleeve in arbitrary locating slot, and relative to sliding sleeve, so that interstage sleeve bottom end is adjacent to and is against on lid top surface.

Therefore sliding sleeve can be utilized to coordinate quickly by fixed block in fixing groove with resetting spring, is later embedded in sliding block In locating slot, and interstage sleeve is rotated relative to sliding sleeve, so that interstage sleeve bottom end is adjacent to and be against on lid top surface, therefore energy fast and easy will be dismantled Tool is fixed with removal hole.

Further include the annular that activity is against interstage sleeve bottom in a kind of above-mentioned extracting tool for the municipal well lid of safety Slip ring, slip ring is interior along the connector sleeve being actively set on fixing sleeve outer wall is fixed with, and connector sleeve wall coaxial is equipped with annular groove, also wraps Include the bolt being fixed on interstage sleeve, and bolt end is slidably disposed on annular groove, and can by rotate interstage sleeve, make slip ring be adjacent to On lid top surface.

Therefore the more laborsaving rotation interstage sleeve of energy, avoids interstage sleeve bottom end and the excessive friction of lid top surface.

In a kind of above-mentioned extracting tool for the municipal well lid of safety, the removal rod bottom end outer wall is fixed with gear Block, the grip, which is spirally connected, to be sleeved on the outer wall of fixing sleeve top, and two top of limiting slot extends to fixing sleeve top.

Block plays position-limiting action to removal rod, and removal rod is avoided to be detached with extracting tool, while being also convenient for assembly and disassembly Tool.

A kind of assembly and disassembly methods of the municipal well lid of safety, it is characterised in that：Including dismounting well lid method and well lid method is installed,

Dismantling well lid method is：Fixing sleeve top is held, and fixing sleeve and fixed link are respectively cooperating with and stretches into sets of holes and consolidates Determine hole, push and rotate fixing sleeve around fixing sleeve axis, makes fixed link cooperation in fixing groove, and pressed on fixed link top Closing piece makes limited block slide into one bottom end of limiting slot, locking bar outer end is made to be detached with locked groove, and in lockhole, after pushing bolt End makes sliding block in adjacent locating slot, rotates interstage sleeve relative to sliding sleeve, so that interstage sleeve bottom end is adjacent to and be against on lid top surface, make Extracting tool is relatively fixed with lid, similarly two extracting tools is separately fixed on two removal holes, both hands rotate respectively The handwheel of two extracting tools simultaneously drives removal rod to rotate, and so that removal rod is relatively fixed set and move down, and removal rod bottom end pushes The support plate makes support plate that anti-sand sleeve be driven to move down, and both hands hold the handwheel of two extracting tools and respectively from well seat The dismounting lid；

Installing well lid method is：Handwheel is held and moved, lid is packed into well seat, rotation hand wheel drives removal rod rotation Turn, so that the block of removal rod bottom end is against fixing sleeve bottom end, so that anti-sand sleeve is moved up and be located between lid and well seat, post-tensioning bolt Rear end makes sliding block be detached with locating slot, and on limiting slot two, pushes and rotates fixing sleeve around fixing sleeve, makes fixing sleeve It is aligned respectively with sets of holes and mounting hole with fixed link, holds and pull up fixing sleeve, and dismantle extracting tool out of removal hole.

Pass through the above method, you can lid is dismantled or installed using this extracting tool on well seat.

Compared with prior art, the invention has the advantages that：

1, sand-prevention structure is formed by anti-sand sleeve, it can more laborsaving dismounting lid；

It 2,, can more laborsaving dismounting lid without anti-sand sleeve outer wall and wall friction in well seat during dismantling lid；

3, influenced by removal hole smaller, the service life is longer；

4, lid can be locked using locking bar and locked groove cooperation, anti-theft effect is more preferable, and since locked groove is loop configuration, Without location and installation lid；

5, without passing through the mounting and dismounting tool that is spirally connected, more convenient dismounting；

6, closing piece and fixing groove are located at below lid, are avoided that the structure after being used for a long time in closing piece by corrosion and damage.

Description of the drawings

Fig. 1 is well lid and extracting tool cooperation front view and partial sectional view.

Fig. 2 is the partial enlarged view of Fig. 1.

Fig. 3 is the partial enlarged view of Fig. 2.

Fig. 4 is lid partial bottom view.

Fig. 5 is the partial bottom view after lid mounting and dismounting tool.

In figure,

1, well seat；11, baffle ring；12, support column；13, supporting block；14, compressed spring；

2, support plate；21, anti-sand sleeve；22, locked groove；

3, lid；31, removal hole；32, sets of holes；33, mounting hole；34, fixing groove；35, lockhole；36, return spring；37、 Mounting groove；

4, closing piece；41, bar slot；42, limiting slot one；

5, locking bar；51, limited block；

6, fixing sleeve；61, internal thread hole；62, fixed link；63, grip；64, resetting spring；65, limiting slot two；66, fixed Position slot；

7, removal rod；71, handwheel；72, block；

8, interstage sleeve；81, sliding sleeve；82, jack；83, bolt；84, sliding block；85, bolt；

9, slip ring；91, connector sleeve；92, annular groove.

Specific implementation mode

Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described, However, the present invention is not limited to these examples.

As shown in Figs. 1-5, a kind of municipal well lid of safety of the present invention, including circular ring shape well seats 1 and the circle that is located in well seat 1 Plate-like lid body 3,1 inner wall of well seat are equipped with annular baffle ring 11, and 11 top surface of baffle ring is less than 1 top surface of well seat, and vertical with 1 inner wall of well seat, Further include several bottom ends and the fixed support column 12 in 11 top surface of baffle ring, 12 length direction of support column is parallel with 11 axis of baffle ring, branch 12 top of dagger is fixed with supporting block 13, and several supporting blocks 13 are identical as 11 axial line distance of baffle ring, and several supporting blocks 13 are surrounded The plane of formation is parallel with 11 top surface of baffle ring, further includes circular ring shape plate-like support plate 2, and support plate 2 is equipped with several supported holes, and Several support columns 12 are threaded through respectively in several supported holes, and 2 top surface outer of support plate is fixed with round shell-like anti-sand sleeve 21, further includes The compressed spring 14 being sleeved on support column 12,14 both ends of compressed spring offset with 11 top surface of baffle ring and 2 bottom surface of support plate respectively, prevent Sand 21 inner walls of set are coaxially provided with one of annular lock groove 22；

It is set on lid 3 there are two the removal hole 31 for running through 3 top and bottom of lid, removal hole 31 includes circular hole sets of holes 32,32 axis of sets of holes is parallel with 3 axis of lid, and 32 side hole wall of sets of holes is equipped with the poroid mounting hole 33 of notch shape, and mounting hole 33 has There are the both sides hole wall being mutually parallel, 3 bottom surface of lid to be equipped with circular groove shape fixing groove 34,34 axis of fixing groove is flat with 32 axis of sets of holes Row, and 34 slot diameter of fixing groove and 33 two side holes wall of mounting hole are of same size, activity cooperation is embedded with cylindrical closing piece in fixing groove 34 4,4 outer wall of closing piece is equipped with one of bar slot 41, and 41 cell wall of bar slot is equipped with limiting slot 1, one 42 length direction of limiting slot and closing piece 4 Axis is arranged in angle, is located at the rod-shaped lockhole 35 of 3 outer wall of 34 cell wall of fixing groove and lid, lock in lid 3 equipped with both ends 35 axis of hole is 34 cell wall of fixing groove and 3 outer wall the shortest route of lid, lock along 3 radial direction of lid and the radial setting of fixing groove 34 Activity is equipped with locking bar 5 in hole 35, and 5 inner end of locking bar is located on bar slot 41, and is fixed with the limit being slidably disposed on limiting slot 1 Position block 51 further includes being located in fixing groove 34, and the return spring that both ends offset with 34 top of fixing groove and 4 top of closing piece respectively 36；

Several supporting blocks 13 are withstood on respectively on 3 bottom surface of lid, and compressed spring 14 pushes 2 bottom surface of support plate, makes anti-sand sleeve 21 Between lid 3 and well seat 1, and 21 inner and outer wall of anti-sand sleeve is adjacent to 3 outer wall of lid and 1 inner wall of well seat respectively, sand prevention It covers 21 tops to be aligned with 1 top surface of well seat and 3 top surface of lid respectively, and supporting block 13 is against between support plate 2 and lid 3, and makes Support plate 2 and the setting of the interval of lid 3, and the projection of sets of holes 32 is located in support plate 2, return spring 36 pushes closing piece 4, makes limited block 51 are located at one 42 top of limiting slot, and 3 outer wall of lid is stretched out in 5 outer end of locking bar, and in locked groove 22, and can go up 4 bottom of pressure closing piece End, makes limited block 51 slide into one 42 bottom end of limiting slot, and 5 outer end of locking bar is made to be detached with locked groove 22, and in lockhole 35.

Further, two removal holes 31 are located in symmetrical structure on lid 3 using 3 axis of lid as axis.3 bottom surface of lid is same Axis is equipped with one of annular mounting groove 37, and 37 slot bottom of mounting groove is parallel with 3 bottom surface of lid, and extends towards 3 edge of lid, and when support When block 13 is against on 3 bottom surface of lid, 13 top of supporting block is against 37 slot bottom of mounting groove, and 13 side wall of supporting block is against 37 slot of mounting groove On wall.34 notch of fixing groove has fillet or chamfering, and when limited block 51 is located at one 42 top of limiting slot, and 4 bottom end of closing piece is high In 34 notch height of fixing groove.

Lid 3 be mounted on well seat 1 on after, due to 21 inner and outer wall of anti-sand sleeve respectively with 1 inner wall of 3 outer wall of lid and well seat It is adjacent to, 21 top of anti-sand sleeve is aligned with 1 top surface of well seat and 3 top surface of lid respectively, therefore is avoided that quilt between lid 3 and well seat 1 Silt blocks, and causes to open difficulty, and using locking bar 5 and locked groove 22 coordinate, opposite can lock lid 3 and anti-sand sleeve 21, due to Anti-sand sleeve 21 is relatively fixed by support column 12 on well seat 1, therefore opposite can lock lid 3 and well seat 1, and due to locked groove 22 For positioned at the loop configuration of 21 inner wall of anti-sand sleeve, there is no need to location and installation lids 3 so that it is easier for installation, when dismounting, lead to It crosses extracting tool to fix with removal hole 31, and upper pressure closing piece 4, so that 5 outer end of locking bar is detached with locked groove 22, push support plate 2 later, And anti-sand sleeve 21 is made to move down, and since the support plate 2 being connect with anti-sand sleeve 21 is connected on the baffle ring 11 of well seat 1, dismounting During lid 3, it is not necessarily to 21 outer wall of anti-sand sleeve and wall friction in well seat 1, therefore the more laborsaving dismounting lid 3 of energy, and support plate 2 For circular ring shape platy structure, the influence to well lid can be effectively reduced, and since closing piece 4 and fixing groove 34 are located at 3 lower section of lid, energy Avoid the structure after being used for a long time in closing piece 4 by corrosion and damage.

A kind of extracting tool for the municipal well lid of safety, including outer diameter round shell-like fixing sleeve identical with 32 aperture of sets of holes 6, internal thread hole 61 is coaxially provided in fixing sleeve 6, further includes the externally threaded removal rod 7 of band that top is fixed with handwheel 71, dismounting Bar 7 is screwed onto on internal thread hole 61, further includes the axis round bar shape fixed link 62 parallel with 6 axis of fixing sleeve, 62 bottom of fixed link End bends and is fixed with 6 bottom end outer wall of fixing sleeve, and 62 bar diameter of fixed link is identical as 34 slot diameter of fixing groove, 6 middle part outer wall of fixing sleeve Further include the interstage sleeve 8 being sleeved on 6 outer wall of fixing sleeve that is spirally connected with external screw thread；

And 6 top of fixing sleeve can be held, and fixing sleeve 6 and fixed link 62 are respectively cooperating with and stretch into sets of holes 32 and mounting hole 33, and 6 axis of fixing sleeve can be surrounded and rotate fixing sleeve 6, and fixing sleeve 6 is pulled up, make the cooperation of fixed link 62 in fixing groove 34, And closing piece 4 is pressed on 62 top of fixed link, so that limited block 51 is slid into one 42 bottom end of limiting slot, 5 outer end of locking bar is made to divide with locked groove 22 From, and in lockhole 35, and it can be relatively fixed 6 rotation interstage sleeve 8 of set, so that 8 bottom end of interstage sleeve is adjacent to and is against on 3 top surface of lid, and So that extracting tool is relatively fixed with lid 3, and removal rod 7 can be driven to rotate by rotation hand wheel 71, and keeps removal rod 7 relatively solid Surely set 6 moves down, and 7 bottom end of removal rod pushes support plate 2, makes support plate 2 that anti-sand sleeve 21 be driven to move down, and can hold handwheel 71 simultaneously Lid 3 is dismantled from well seat 1.

Further, in two disassembly mechanisms being connect with two removal holes 31, a handwheel 71 rotates clockwise, another A handwheel 71 rotates counterclockwise, then corresponding two removal rods 7 are moved down with respect to fixing sleeve 6 or fixing sleeve 6 moves up relatively.Gu Surely set 6 is fixed with grip 63 on the outer wall on top, and 6 outer wall activity of fixing sleeve cooperation is cased with sliding sleeve 81, and external screw thread, which is located at, to be slided Cover on 81 outer walls, and interstage sleeve 8 is spirally connected and is sleeved on 81 outer wall of sliding sleeve, further include be sleeved on fixing sleeve 6, and both ends respectively with grip 63 The resetting spring 64 that bottom end and 81 top of sliding sleeve offset, 6 outer wall of fixing sleeve are equipped with limiting slot 2 65, and limiting slot 2 65 is equipped with Several locating slots 66 along the distribution of 2 65 length direction of limiting slot, sliding sleeve 81 are equipped with jack 82, further include being inserted on jack 82 Bolt 83, bolt 83 is fixedly arranged at the front end with the sliding block 84 being slidably disposed on limiting slot 2 65, and resetting spring 64 pushes sliding sleeve 81 to push up End, makes 8 bottom end of interstage sleeve be against on 3 top surface of lid, and can push 83 rear end of bolt, and sliding block 84 is made to be embedded in arbitrary locating slot 66 It is interior, and interstage sleeve 8 is rotated relative to sliding sleeve 81, so that 8 bottom end of interstage sleeve is adjacent to and is against on 3 top surface of lid.Further include that activity is against 8 bottom of interstage sleeve The annular slip ring 9 in portion, the interior edge of slip ring 9 are fixed with the connector sleeve 91 being actively set on 6 outer wall of fixing sleeve, 91 wall coaxial of connector sleeve Further include the bolt 85 being fixed on interstage sleeve 8, and 85 end of bolt is slidably disposed on annular groove 92, and energy equipped with annular groove 92 By rotating interstage sleeve 8, so that slip ring 9 is adjacent to and be against on 3 top surface of lid.7 bottom end outer wall of removal rod is fixed with block 72,63 spiral shell of grip For female connector on 6 top outer wall of fixing sleeve, 2 65 top of limiting slot extends to 6 top of fixing sleeve.

This extracting tool stretches into sets of holes 32 and mounting hole 33 in use, fixing sleeve 6 and fixed link 62 are respectively cooperating with, rotation Fixing sleeve 6 is pulled up, fixed link 62 is made to be embedded in fixing groove 34,6 rotation interstage sleeve 8 of set is relatively fixed, so that 8 bottom end of interstage sleeve is adjacent to and be against lid On 3 top surface of body, extracting tool is made to be relatively fixed with lid 3, press closing piece 4 on 62 top of fixed link at this time, makes 5 outer end of locking bar and lock Slot 22 detaches, and rotation hand wheel 71 drives removal rod 7 to rotate later, so that removal rod 7 is relatively fixed set 6 and moves down, and 7 bottom end of removal rod Support plate 2 is pushed, makes support plate 2 that anti-sand sleeve 21 be driven to move down, hold handwheel 71 later and dismantles lid 3 from well seat 1, therefore Mounting and dismounting tool is very convenient, and the extracting tool after installing is fixed sufficiently stable with removal hole 31, while removal hole 31 is not Fragile, use occasion is wider, and pushes support plate 2 jointly by two 7 bottom ends of removal rod, is avoided that 2 single-point mistake of support plate Divide stress, causes dismounting difficult.

A kind of assembly and disassembly methods of the municipal well lid of safety, including dismounting well lid method and installation well lid method,

Dismantling well lid method is：6 top of fixing sleeve is held, and fixing sleeve 6 and fixed link 62 are respectively cooperating with and stretch into sets of holes 32 and mounting hole 33, it pushes and simultaneously rotates fixing sleeve 6 around 6 axis of fixing sleeve, make the cooperation of fixed link 62 in fixing groove 34, and Closing piece 4 is pressed on 62 top of fixed link, so that limited block 51 is slid into one 42 bottom end of limiting slot, 5 outer end of locking bar is made to be detached with locked groove 22, And in lockhole 35,83 rear end of bolt is pushed, makes sliding block 84 in adjacent locating slot 66, rotates interstage sleeve relative to sliding sleeve 81 8, so that 8 bottom end of interstage sleeve is adjacent to and be against on 3 top surface of lid, extracting tool is made to be relatively fixed with lid 3, similarly by two extracting tools It being separately fixed on two removal holes 31, both hands rotate the handwheel 71 of two extracting tools and removal rod 7 are driven to rotate respectively, and Make removal rod 7 be relatively fixed set 6 to move down, and 7 bottom end of removal rod pushes support plate 2, makes support plate 2 that anti-sand sleeve 21 be driven to move down, Both hands hold the handwheel 71 of two extracting tools and dismantle lid 3 from well seat 1 respectively；

Installing well lid method is：Handwheel 71 is held and moved, lid 3 is packed into well seat 1, the drive of rotation hand wheel 71 is torn open The rotation of bar 7 is unloaded, the block 72 of 7 bottom end of removal rod is made to be against 6 bottom end of fixing sleeve, so that anti-sand sleeve 21 is moved up and is located at lid 3 and well Between seat 1,83 rear end of post-tensioning bolt makes sliding block 84 be detached with locating slot 66, and on limiting slot 2 65, pushes and around solid Surely 6 rotation fixing sleeve 6 of set, makes fixing sleeve 6 and fixed link 62 are aligned respectively with sets of holes 32 and mounting hole 33, holds and pull up fixation Set 6, and extracting tool is dismantled out of removal hole 31.

Specific embodiment described herein is only an example for the spirit of the invention.Technology belonging to the present invention is led The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.

Although well seat 1, baffle ring 11, support column 12, supporting block 13, compressed spring 14, support plate is used more herein 2, anti-sand sleeve 21, locked groove 22, lid 3, removal hole 31, sets of holes 32, mounting hole 33, fixing groove 34, lockhole 35, return spring 36, Mounting groove 37, closing piece 4, bar slot 41, limiting slot 1, locking bar 5, limited block 51, fixing sleeve 6, internal thread hole 61, fixed link 62, Grip 63, resetting spring 64, limiting slot 2 65, locating slot 66, removal rod 7, handwheel 71, block 72, interstage sleeve 8, sliding sleeve 81, jack 82, the terms such as bolt 83, sliding block 84, bolt 85, slip ring 9, connector sleeve 91, annular groove 92, but be not precluded and use other terms Possibility.The use of these items is only for more easily describe and explain the essence of the present invention；It is construed as appointing How a kind of additional limitation is all disagreed with spirit of that invention.

Claims (10)

1. a kind of municipal well lid of safety, including circular ring shape well seat (1) and the circular plate lid (3) that is located in well seat (1), spy Sign is：Described well seat (1) inner wall is equipped with annular baffle ring (11), and baffle ring (11) top surface is less than well seat (1) top surface, and with well seat (1) inner wall is vertical, further includes several bottom ends and the fixed support column in baffle ring (11) top surface (12), support column (12) length direction with Baffle ring (11) axis is parallel, and support column (12) top is fixed with supporting block (13), several supporting blocks (13) and baffle ring (11) axial line distance is identical, and to surround the plane to be formed parallel with baffle ring (11) top surface for several supporting blocks (13), further includes annulus Shape plate-like support plate (2), the support plate (2) is equipped with several supported holes, and several support columns (12) are worn respectively It is located in several supported holes, the support plate (2) top surface outer is fixed with round shell-like anti-sand sleeve (21), further includes being sleeved on support Compressed spring (14) on column (12), compressed spring (14) both ends offset with baffle ring (11) top surface and support plate (2) bottom surface respectively, Described anti-sand sleeve (21) inner wall is coaxially provided with one of annular lock groove (22)；

It is set on the lid (3) there are two the removal hole (31) for running through lid (3) top and bottom, removal hole (31) includes circle Poroid sets of holes (32), sets of holes (32) axis is parallel with lid (3) axis, and sets of holes (32) side hole wall is equipped with the poroid fixation of notch shape Hole (33), mounting hole (33) have the both sides hole wall being mutually parallel, and lid (3) bottom surface is equipped with circular groove shape fixing groove (34), fixed Slot (34) axis is parallel with sets of holes (32) axis, and fixing groove (34) slot diameter and mounting hole (33) two side holes wall are of same size, institute Activity cooperation is equipped with one of bar slot (41) embedded with cylindrical closing piece (4), the closing piece (4) outer wall in the fixing groove (34) stated, Bar slot (41) cell wall is equipped with limiting slot one (42), and limiting slot one (42) length direction is arranged with closing piece (4) axis in angle, described Lid (3) in equipped with both ends be located at the rod-shaped lockhole (35) of fixing groove (34) cell wall and lid (3) outer wall, lockhole (35) Axis is radially arranged along lid (3) radial direction and fixing groove (34), and is fixing groove (34) cell wall and the most short company of lid (3) outer wall Line, the lockhole (35) interior activity are equipped with locking bar (5), and locking bar (5) inner end is located on bar slot (41), and are fixed with sliding position Further include being located in fixing groove (34), and both ends are pushed up with fixing groove (34) respectively in the limited block (51) on limiting slot one (42) The return spring (36) that end and closing piece (4) top offset；

Several supporting blocks (13) are withstood on respectively on lid (3) bottom surface, and the compressed spring (14) pushes support plate (2) Bottom surface makes anti-sand sleeve (21) be located between lid (3) and well seat (1), and anti-sand sleeve (21) inner and outer wall respectively with lid (3) Outer wall and well seat (1) inner wall are adjacent to, and anti-sand sleeve (21) top is aligned with well seat (1) top surface and lid (3) top surface respectively, and are supported Block (13) is against between support plate (2) and lid (3), and support plate (2) and lid (3) is made to be spaced setting, and sets of holes (32) are thrown Shadow is located in support plate (2), and the return spring (36) pushes closing piece (4), and limited block (51) is made to be located at limiting slot one (42) Top, and lid (3) outer wall is stretched out in locking bar (5) outer end, and in locked groove (22), and pressure closing piece (4) bottom end can be gone up, make limit Block (51) slides into limiting slot one (42) bottom end, and locking bar (5) outer end is made to be detached with locked groove (22), and in lockhole (35).

2. the municipal well lid of a kind of safety according to claim 1, it is characterised in that：Two removal holes (31) are to cover Body (3) axis is that axis is located in symmetrical structure on lid (3).

3. the municipal well lid of a kind of safety according to claim 2, it is characterised in that：Described lid (3) bottom surface is coaxially set There is one of annular mounting groove (37), mounting groove (37) slot bottom is parallel with lid (3) bottom surface, and extends towards lid (3) edge, and works as When supporting block (13) is against on lid (3) bottom surface, supporting block (13) top is against mounting groove (37) slot bottom, supporting block (13) side wall It is against on mounting groove (37) cell wall.

4. the municipal well lid of a kind of safety according to claim 3, it is characterised in that：Described fixing groove (34) notch has Fillet or chamfering, and when limited block (51) is located at limiting slot one (42) top, the closing piece (4) bottom end is higher than fixing groove (34) notch height.

5. a kind of extracting tool for the municipal well lid of safety described in claim 4, it is characterised in that：Including outer diameter and sets of holes (32) the identical round shell-like fixing sleeve (6) in aperture, fixing sleeve (6) is interior to be coaxially provided with internal thread hole (61), further includes that top is fixed There are the externally threaded removal rod of band (7) of handwheel (71), the removal rod (7) to be screwed onto on internal thread hole (61), further includes axis The line round bar shape fixed link (62) parallel with fixing sleeve (6) axis, fixed link (62) bottom end bending and with outside fixing sleeve (6) bottom end Wall is fixed, and the fixed link (62) bar diameter is identical as fixing groove (34) slot diameter, and outer wall has outer in the middle part of the fixing sleeve (6) Screw thread further includes the interstage sleeve (8) being sleeved on fixing sleeve (6) outer wall that is spirally connected；

And fixing sleeve (6) top can be held, and fixing sleeve (6) and fixed link (62) are respectively cooperating with and stretches into sets of holes (32) and fixes Hole (33), and fixing sleeve (6) axis rotation fixing sleeve (6) can be surrounded, and fixing sleeve (6) is pulled up, keep fixed link (62) cooperation embedding In the fixing groove (34), and closing piece (4) is pressed on fixed link (62) top, limited block (51) is made to slide into limiting slot one (42) bottom end makes locking bar (5) outer end be detached with locked groove (22), and in lockhole (35), and can be relatively fixed set (6) rotation gear It covers (8), so that interstage sleeve (8) bottom end is adjacent to and be against on lid (3) top surface, and extracting tool is made to be relatively fixed with lid (3), and can lead to Crossing rotation hand wheel (71) drives removal rod (7) to rotate, and so that removal rod (7) is relatively fixed set (6) and move down, and removal rod (7) bottom End pushes the support plate (2), makes support plate (2) that anti-sand sleeve (21) be driven to move down, and can hold handwheel (71) and from well seat (1) lid (3) is dismantled on.

6. a kind of extracting tool for the municipal well lid of safety according to claim 5, it is characterised in that：It is dismantled with two In two disassembly mechanisms of hole (31) connection, a handwheel (71) rotates clockwise, another handwheel (71) rotates counterclockwise, then Corresponding two removal rods (7) move down with respect to fixing sleeve (6) or opposite fixing sleeve (6) moves up.

7. a kind of extracting tool for the municipal well lid of safety according to claim 6, it is characterised in that：The fixation Set (6) is fixed with grip (63) on the outer wall on top, and fixing sleeve (6) outer wall activity cooperation is cased with sliding sleeve (81), described External screw thread is located on sliding sleeve (81) outer wall, and interstage sleeve (8) is spirally connected and is sleeved on sliding sleeve (81) outer wall, further includes being sleeved on fixing sleeve (6) On, and the resetting spring (64) that both ends offset with grip (63) bottom end and sliding sleeve (81) top respectively is set on fixing sleeve (6) outer wall There are limiting slot two (65), limiting slot two (65) to be equipped with several locating slots (66) along the distribution of limiting slot two (65) length direction, The sliding sleeve (81) is equipped with jack (82), further includes the bolt (83) being inserted on jack (82), bolt (83) front end is fixed There are the sliding block (84) being slidably disposed on limiting slot two (65), the resetting spring (64) to push sliding sleeve (81) top, make interstage sleeve (8) bottom end is against on lid (3) top surface, and can push bolt (83) rear end, and sliding block (84) is made to be embedded in arbitrary locating slot (66) It is interior, and relative to sliding sleeve (81) rotation interstage sleeve (8), so that interstage sleeve (8) bottom end is adjacent to and be against on lid (3) top surface.

8. a kind of extracting tool for the municipal well lid of safety according to claim 7, it is characterised in that：It further include activity It is against the annular slip ring (9) of interstage sleeve (8) bottom, edge is fixed with the connector sleeve being actively set on fixing sleeve (6) outer wall in slip ring (9) (91), connector sleeve (91) wall coaxial is equipped with annular groove (92), further includes the bolt (85) being fixed on interstage sleeve (8), and bolt (85) end is slidably disposed on annular groove (92), and slip ring (9) can be made to be adjacent to and be against lid (3) top surface by rotating interstage sleeve (8) On.

9. a kind of extracting tool for the municipal well lid of safety according to claim 8, it is characterised in that：The dismounting Bar (7) bottom end outer wall is fixed with block (72), and the grip (63), which is spirally connected, to be sleeved on the outer wall of fixing sleeve (6) top, described Limiting slot two (65) top extends to fixing sleeve (6) top.

10. a kind of assembly and disassembly methods of the municipal well lid of safety described in claim 4, it is characterised in that：Including dismantling well lid method With installation well lid method,

Dismantling well lid method is：Fixing sleeve (6) top is held, and fixing sleeve (6) and fixed link (62) are respectively cooperating with and stretch into set Hole (32) and mounting hole (33) push and around fixing sleeve (6) axis rotation fixing sleeve (6), fixed link (62) cooperation are made to be embedded in In fixing groove (34), and closing piece (4) is pressed on fixed link (62) top, limited block (51) is made to slide into limiting slot one (42) bottom end, So that locking bar (5) outer end is detached with locked groove (22), and in lockhole (35), pushes bolt (83) rear end, sliding block (84) is made to be embedded in In adjacent locating slot (66), relative to sliding sleeve (81) rotation interstage sleeve (8), so that interstage sleeve (8) bottom end is adjacent to and be against lid (3) top surface On, so that extracting tool is relatively fixed with lid (3), similarly two extracting tools be separately fixed on two removal holes (31), Both hands rotate the handwheel (71) of two extracting tools and removal rod (7) are driven to rotate respectively, and removal rod (7) is made to be relatively fixed set (6) it moves down, and removal rod (7) bottom end pushes the support plate (2), makes support plate (2) that anti-sand sleeve (21) be driven to move down, both hands The handwheel (71) of two extracting tools is held respectively and the lid (3) is dismantled from well seat (1)；

Installing well lid method is：Handwheel (71) is held and moved, lid (3) is packed into well seat (1), rotation hand wheel (71) band Dynamic removal rod (7) rotation, makes the block (72) of removal rod (7) bottom end be against fixing sleeve (6) bottom end, anti-sand sleeve (21) is made to move up simultaneously Between lid (3) and well seat (1), post-tensioning bolt (83) rear end makes sliding block (84) be detached with locating slot (66), and positioned at limit On position slot two (65), push simultaneously around fixing sleeve (6) rotation fixing sleeve (6), make fixing sleeve (6) and fixed link (62) respectively with set Hole (32) and mounting hole (33) alignment, hold and pull up fixing sleeve (6), and extracting tool is dismantled out of removal hole (31).