CN108457305A - The municipal well lid of the readily removable safety of one kind and extracting tool and assembly and disassembly methods - Google Patents

Abstract

The present invention provides a kind of readily removable safety municipal administration well lid and extracting tools and assembly and disassembly methods, belong to municipal works apparatus field.It solves the problems, such as existing well lid dismounting trouble.This readily removable municipal well lid of safety includes well seat and lid, well seat inner wall is equipped with baffle ring, further include bottom end and the fixed support column in baffle ring top surface, support top end is fixed with supporting block, further include support plate, support column is threaded through in supported hole respectively, and support plate top surface outer 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, lid bottom surface is equipped with a ring cover ring, further include two channel steels, channel steel includes being equipped with pole socket with bottom plate and two blocks of side plates, two pieces of side plate lateral surfaces, bezel ring, is equipped with perforation, further include U-shaped pin, U-shaped pin includes two pin rods and push rod, and pin rod front end is threaded through in perforation, it is fixed with baffle ring on pin rod, further includes the resetting spring being sleeved on pin rod.This manhole cover anti-theft is good and convenient for disassembly and assembly.

Description

The municipal well lid of the readily removable safety of one kind and extracting tool and assembly and disassembly methods

Technical field

The invention belongs to municipal works equipment technical fields, are related to the municipal well lid of the readily removable safety of one kind and extracting tool and tear open Dress 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, dismounts more laborsaving, the more convenient to use municipal well lid of readily removable 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 readily removable safety, including circular ring shape Well seat and 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, baffle ring top surface 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, supports column length Direction is parallel with baffle ring axis, and support top end is fixed with supporting block, and several supporting blocks are identical as baffle ring axial line distance, And to surround the plane to be formed parallel with baffle ring top surface for several supporting blocks, further includes circular ring shape plate-like support plate, the support plate Several supported holes are equipped with, and several support columns are threaded through respectively in several supported holes, outside the support plate top surface Further include the compressed spring of set on the support columns along being fixed with round shell-like anti-sand sleeve, compressed spring both ends respectively with baffle ring top surface It offsets with support plate bottom surface, the anti-sand sleeve inner wall is coaxially provided with one of annular lock groove；

It is set on the lid there are two the removal hole for running through lid top and bottom, two removal holes are with lid axis Axial symmetry is distributed on lid, and removal hole depth direction is parallel with lid axis, and removal hole length direction is radially arranged along lid, Lid bottom surface is coaxially provided with a circle circular ring shape bezel ring, and bezel ring, outer diameter is identical as lid diameter, further includes two and is separately fixed at lid Channel steel on body bottom surface, the channel steel include the bottom plate and upper side edge parallel with lid bottom surface and fixed two pieces of lid bottom surface Side plate, two blocks of side plates are mutually parallel, and two pieces of side plate lower sides are connect with bottom plate both sides respectively, the channel steel length direction edge Lid is radially arranged, and parallel with removal hole length direction, and pole socket is respectively equipped on the opposite lateral surface of two blocks of side plates, Pole socket is equipped with rod aperture, and the bezel ring, is equipped with perforation, further includes U-shaped pin, U-shaped pin include two pin rods being mutually parallel and Both ends are respectively with two pin rod rear end push rods connected vertically, and activity is threaded through in the rod aperture of two pole sockets two pin rods respectively, And pin rod front end is threaded through in perforation respectively, and baffle ring is fixed on the pin rod, further includes being sleeved on pin rod, and both ends are distinguished With the resetting spring to offset on front side of baffle ring and pole socket, bottom outlet is additionally provided on the bottom plate, and two removal holes are along depth direction Projection is located on the bottom plate of two channel steels, and bottom outlet is located at along depth direction projection on removal hole；

Several supporting blocks are withstood on respectively on bezel ring, 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 the resetting spring pushes baffle ring, and push rod both ends is made to be against two respectively In block side plate back side edge, and make pin rod front end in locked groove, and the bottom outlet is located at along depth direction projection in support plate.

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 pin rod 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, and since the support plate being connect with anti-sand sleeve is connected to well seat On baffle ring, therefore during dismounting lid, without anti-sand sleeve outer wall and wall friction in well seat, therefore can more laborsaving dismounting lid Body, and support plate is circular ring shape platy structure, can effectively reduce the influence to well lid.

In the above-mentioned municipal well lid of the readily removable safety of one kind, the bezel ring, bottom surface is coaxially provided with one of annular mounting groove, Mounting groove slot bottom is parallel with lid bottom surface, and extends towards bezel ring, edge, and when supporting block is against on bezel ring, bottom surface, supporting block top End is against mounting groove slot bottom, and supporting block side wall is against in installation groove groove wall.

Therefore fast and easy installs lid.

A kind of extracting tool for the municipal well lid of readily removable safety, it is characterised in that：Including the identical dismounting of two shapes Mechanism, disassembly mechanism include outer diameter and removal hole circle shell-like fixing sleeve of same size, and internal thread hole is coaxially provided in fixing sleeve, Further include the externally threaded removal rod of band that top is fixed with handwheel, the removal rod is screwed onto on internal thread hole, further includes bar Diameter fixed link identical with fixed cover external diameter, fixed rod rear end are connect with fixing sleeve bottom end outer wall vertical, further include non-circular bar In the connector sleeve of connecting rod one end, connector sleeve is equipped with pin hole, pin is equipped on pin hole, sell for shape connecting rod and activity engagement sleeves The extension spring that both ends are connect with pin rear end with pin hole outer end respectively is cased on son, the connecting rod bar wall is equipped with pin The same axial position of fixing sleeve outer wall that slot, the connecting rod other end and the connector sleeve other end distinguish two disassembly mechanisms connects It connects, and corresponding two removal rods of two disassembly mechanisms are mutually parallel, corresponding two fixed links coaxial arrangement, and two fixations The relative orientation setting of bar front end；

And handwheel can be held, and two fixed links are respectively cooperating with and are packed into two removal holes, and fixing sleeve is bonded removal hole Apertura lateralis wall enters in removal hole, and when fixing sleeve bottom end is against on bottom plate, and the fixed link bar wall is against on bottom plate, and Handwheel can be held, and is coordinated by connecting rod and connector sleeve, so that two fixed distance between tie rods is reduced, and two fixing sleeves is made to support respectively On the inside of the removal hole on hole wall, and pin end is aligned with cotter way and is embedded in cotter way, and fixed link front end pushes push rod, makes gear Circle is moved towards pole socket, and pin rod front end is made to be detached with locked groove, and fixed link is clipped between bottom plate and lid bottom surface, and makes dismounting work Tool is relatively fixed with lid, and the bottom outlet is aligned with removal rod, and removal rod rotation can be driven by rotation hand wheel, and is made Removal rod is relatively fixed set and moves down, and removal rod bottom end passes through bottom outlet, and pushes the support plate, and support plate is made to drive sand prevention Set moves down, and can hold handwheel and dismantle the lid from well seat.

This extracting tool relatively moves two handwheels in use, fixing sleeve is packed into removal hole, and move down in place later, Make handwheel distance reduce, and make fixed link front end push push rod, so that pin rod front end is detached with locked groove, and fixed link be clipped in bottom plate and Between lid bottom surface, and extracting tool is made to be relatively fixed with lid, rotation hand wheel drives removal rod rotation later, and makes removal rod It is relatively fixed set to move down, and removal rod bottom end passes through bottom outlet, and pushes support plate, make support plate that anti-sand sleeve be driven to move down, and energy It holds handwheel and dismantles the lid from well seat.Therefore this extracting tool uses very convenient, even if dismounting bore portion damage It is bad, extracting tool dismounting lid will not be influenced, therefore the service life is longer, use occasion is wider, and fixed same with lid When pin rod can be made to be detached with locked groove, with quick release, and support plate is pushed jointly by two removal rod bottom ends, is avoided that support The excessive stress of plate single-point causes dismounting difficult.

In a kind of above-mentioned extracting tool for the municipal well lid of readily removable safety, equipped with both ends point in the connector sleeve The return spring not connect with connecting rod one end and fixing sleeve outer wall, and in return spring stretchy connecting rod retraction connector sleeve.

Therefore after extracting tool is detached with lid, return spring can be utilized quickly to reduce two disassembly mechanism spacing, it is convenient Storage.

In a kind of above-mentioned extracting tool for the municipal well lid of readily removable safety, two connect with two removal holes tear open In release mechanism, a handwheel rotates clockwise, another handwheel rotates counterclockwise, then corresponding two removal rods are relatively fixed Set is moved down or is moved up with respect to fixing sleeve.

Two handwheel direction of rotation are on the contrary, more convenient using both hands two handwheels can be rotated respectively.

In a kind of above-mentioned extracting tool for the municipal well lid of readily removable safety, the connecting rod bar wall is along connecting rod Length direction is distributed with several cotter ways.

By the pin cooperation on several cotter ways and connector sleeve in connecting rod, extracting tool versatility can be improved, can be fitted Close the lid of different size.

In a kind of above-mentioned extracting tool for the municipal well lid of readily removable safety, the removal rod bottom end outer wall is fixed There are block, the fixing sleeve bottom end to be equipped with caulking groove, and energy rotation hand wheel, make block in caulking groove, and block can be by tearing open Bar is unloaded to move down and pass through bottom outlet.

Block plays position-limiting action.

In a kind of above-mentioned extracting tool for the municipal well lid of readily removable safety, the pole socket is platy structure, and It is cut for side plate and turns up to be formed, the side plate upper side edge is bent to form is bonded fixed company with lid underrun fastener Fishplate bar.

Therefore simple in structure, it is easy to make.

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

Dismantling well lid method is：It holds handwheel and pulls to expand two handwheel spacing, two fixed links are respectively cooperating with Two removal holes are packed into, fixing sleeve fitting removal hole apertura lateralis wall enters in removal hole, moves down fixing sleeve in place, make fixing sleeve bottom End is against on bottom plate, and fixed link bar wall is against on bottom plate at this time, is held handwheel and is coordinated by connecting rod and connector sleeve, makes two Fixed distance between tie rods reduces, and so that two fixing sleeves is against respectively on the inside of removal hole on hole wall, and pin is embedded in cotter way, and fixed link Front end pushes push rod, so that baffle ring is moved towards pole socket, and pin rod front end is made to be detached with locked groove, and fixed link is clipped in bottom plate and lid bottom Between face, and extracting tool is made to be relatively fixed with lid, and bottom outlet is aligned with removal rod, both hands rotate two handwheels and drive respectively Removal rod rotates, and so that removal rod is relatively fixed set and move down, and removal rod bottom end passes through bottom outlet, and pushes support plate, makes support plate It drives anti-sand sleeve to move down, hold handwheel and dismantles the lid from well seat；

Installing well lid method is：Handwheel is held and moved, lid is packed into well seat, rotation hand wheel drives removal rod rotation Turn, makes block in caulking groove, so that anti-sand sleeve is moved up and be located between lid and well seat, post-tensioning pin is held and pulls one Handwheel makes two handwheel spacing increase, and two handwheels are held and pulled to both hands respectively later, makes on the outside of fixing sleeve fitting removal hole On hole wall, handwheel is held and pulled up, and dismantle extracting tool out of removal hole, and resetting spring drives pin rod to reset, and makes pin Bar front end is in locked groove.

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, it is set as helicitic texture without removal hole, the service life is longer, and use occasion is wider；

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

5, lid can be locked using pin rod and locked groove cooperation, anti-theft effect is more preferable, and since locked groove is loop configuration, Without location and installation lid.

6, after mounting and dismounting tool, pin rod can be made to be detached with locked groove to unlock, and keeps extracting tool quickly solid with lid It is fixed.

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 lid upward view and partial sectional view.

Fig. 4 is the partial enlarged view of Fig. 3.

Fig. 5 is that lid coordinates fragmentary bottom sectional view with extracting tool.

In figure,

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

2, lid；21, removal hole；22, bezel ring,；23, mounting groove；24, it perforates；

3, channel steel；31, bottom plate；32, side plate；33, pole socket；34, bottom outlet；35, connecting plate；

4, pin rod；41, push rod；42, baffle ring；43, resetting spring；

5, support plate；51, anti-sand sleeve；52, locked groove；

6, fixing sleeve；61, fixed link；62, caulking groove；

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

8, connecting rod；81, connector sleeve；82, pin；83, extension spring；84, return spring.

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 readily removable municipal well lid of safety of the present invention, including circular ring shape well seat 1 and be located in well seat 1 Circular plate lid 2,1 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 hangs down with 1 inner wall of well seat Directly, 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, 12 top of support column 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 closed It is parallel with 11 top surface of baffle ring to enclose the plane to be formed, further includes circular ring shape plate-like support plate 5, support plate 5 is equipped with several supported holes, And several support columns 12 are threaded through respectively in several supported holes, 5 top surface outer of support plate is fixed with round shell-like anti-sand sleeve 51, also wraps The compressed spring 14 being sleeved on support column 12 is included, 14 both ends of compressed spring offset with 11 top surface of baffle ring and 5 bottom surface of support plate respectively, 51 inner wall of anti-sand sleeve is coaxially provided with one of annular lock groove 52；

It is set on lid 2 there are two the removal hole 21 for running through 2 top and bottom of lid, two removal holes 21 are with 2 axis of lid It is distributed on lid 2 for axial symmetry, 21 depth direction of removal hole is parallel with 2 axis of lid, and 21 length direction of removal hole is along lid 2 Radial setting, 2 bottom surface of lid are coaxially provided with a circle circular ring shape bezel ring, 22, and 22 outer diameter of bezel ring, is identical as 2 diameter of lid, further includes two A channel steel 3 being separately fixed on 2 bottom surface of lid, channel steel 3 include the bottom plate 31 and upper side edge and lid parallel with 2 bottom surface of lid The fixed two blocks of side plates 32 in 2 bottom surfaces, two blocks of side plates 32 are mutually parallel, and two pieces of 32 lower sides of side plate connect with 31 both sides of bottom plate respectively It connects, 3 length direction of channel steel is arranged along 2 radial direction of lid, and, two block side plate 32 opposite outside parallel with 21 length direction of removal hole Pole socket 33 is respectively equipped on face, pole socket 33 is equipped with rod aperture, and bezel ring, 22 is equipped with perforation 24, further includes U-shaped pin, U-shaped pin includes Respectively with two 4 rear end of pin rod push rods 41 connected vertically, two pin rods 4 live respectively for two pin rods 4 being mutually parallel and both ends It is dynamic to be threaded through in the rod aperture of two pole sockets 33, and 4 front end of pin rod is threaded through respectively in perforation 24, and baffle ring 42 is fixed on pin rod 4, Further include being sleeved on pin rod 4, and the resetting spring 43 that both ends offset with baffle ring 42 and the front side of pole socket 33 respectively is also set on bottom plate 31 There is bottom outlet 34, and two removal holes 21 are located at along depth direction projection on the bottom plate 31 of two channel steels 3, and bottom outlet 34 is along depth Degree direction projection is located on removal hole 21；

Several supporting blocks 13 are withstood on respectively on 22 bottom surface of bezel ring, and compressed spring 14 pushes 5 bottom surface of support plate, makes anti-sand sleeve 51 Between lid 2 and well seat 1, and 51 inner and outer wall of anti-sand sleeve is adjacent to 2 outer wall of lid and 1 inner wall of well seat respectively, sand prevention It covers 51 tops to be aligned with 1 top surface of well seat and 2 top surface of lid respectively, resetting spring 43 pushes baffle ring 42, and 41 both ends of push rod is made to distinguish It is against in two pieces of 32 back side edges of side plate, and makes 4 front end of pin rod in locked groove 52, and bottom outlet 34 is located at branch along depth direction projection On fagging 5.

Further, 22 bottom surface of bezel ring, is coaxially provided with one of annular mounting groove 23, and 23 slot bottom of mounting groove is flat with 2 bottom surface of lid Row, and extend towards 22 edge of bezel ring, and when supporting block 13 is against on 22 bottom surface of bezel ring, 13 top of supporting block is against mounting groove 23 Slot bottom, 13 side wall of supporting block are against on 23 cell wall of mounting groove.

Lid 2 be mounted on well seat 1 on after, due to 51 inner and outer wall of anti-sand sleeve respectively with 1 inner wall of 2 outer wall of lid and well seat It is adjacent to, 51 top of anti-sand sleeve is aligned with 1 top surface of well seat and 2 top surface of lid respectively, therefore is avoided that quilt between lid 2 and well seat 1 Silt blocks, and causes to open difficulty, and using pin rod 4 and locked groove 52 coordinate, opposite can lock lid 2 and anti-sand sleeve 51, due to Anti-sand sleeve 51 is relatively fixed by support column 12 on well seat 1, therefore opposite can lock lid 2 and well seat 1, and due to locked groove 52 For positioned at the loop configuration of 51 inner wall of anti-sand sleeve, there is no need to location and installation lids 2 so that it is easier for installation, and due to The support plate 5 that anti-sand sleeve 51 connects is connected on the baffle ring 11 of well seat 1, therefore during dismounting lid 2, without outside anti-sand sleeve 51 Wall and wall friction in well seat 1, therefore the more laborsaving dismounting lid 2 of energy, and support plate 5 is circular ring shape platy structure, can effectively be subtracted Few influence to well lid.

A kind of extracting tool for the municipal well lid of readily removable safety, including the identical disassembly mechanism of two shapes, demountor Structure includes outer diameter and the circle shell-like fixing sleeve 6 of same size of removal hole 21, is coaxially provided with internal thread hole in fixing sleeve 6, further includes Top is fixed with the externally threaded removal rod 7 of band of handwheel 71, and removal rod 7 is screwed onto on internal thread hole, further includes bar diameter and fixation The identical fixed link 61 of 6 outer diameters is covered, 61 rear end of fixed link is connect with 6 bottom end outer wall vertical of fixing sleeve, further includes non-circular rod-shaped In the connector sleeve 81 of 8 one end of connecting rod, connector sleeve 81 is equipped with pin hole, pin is equipped on pin hole for connecting rod 8 and activity engagement sleeves Son 82, is cased with the extension spring 83 that both ends are connect with 82 rear end of pin with pin hole outer end respectively on pin 82, on 8 bar wall of connecting rod Equipped with cotter way, the same axial position of 6 outer wall of fixing sleeve of 8 other end of connecting rod and 81 other end of connector sleeve, two disassembly mechanisms of difference Connection is set, and corresponding two removal rods 7 of two disassembly mechanisms are mutually parallel, corresponding two fixed links 61 coaxial arrangement, and Two 61 front end relative orientation settings of fixed link；

And handwheel 71 can be held, and two fixed links 61 are respectively cooperating with and are packed into two removal holes 21, and fixing sleeve 6 is bonded 21 apertura lateralis wall of removal hole enters in removal hole 21, and when 6 bottom end of fixing sleeve is against on bottom plate 31, and 61 bar wall of fixed link is against On bottom plate 31, and handwheel 71 can be held, and be coordinated by connecting rod 8 and connector sleeve 81, two 61 spacing of fixed link is made to reduce, and Two fixing sleeves 6 are made to be against respectively on 21 inside hole wall of removal hole, and 82 end of pin is aligned with cotter way and is embedded in cotter way, and 61 front end of fixed link pushes push rod 41, so that baffle ring 42 is moved towards pole socket 33, and 4 front end of pin rod is made to be detached with locked groove 52, and fixed Bar 61 is clipped between 2 bottom surface of bottom plate 31 and lid, and extracting tool is made to be relatively fixed with lid 2, and bottom outlet 34 and removal rod 7 are right Together, and removal rod 7 can be driven to rotate by rotation hand wheel 71, and so that removal rod 7 is relatively fixed set 6 and moves down, and 7 bottom end of removal rod Across bottom outlet 34, and support plate 5 is pushed, makes support plate 5 that anti-sand sleeve 51 be driven to move down, and handwheel 71 can be held and from well seat 1 Dismantle lid 2.

Further, the return bullet being connect respectively with 8 one end of connecting rod and 6 outer wall of fixing sleeve equipped with both ends in connector sleeve 81 Spring 84, and in 84 stretchy connecting rod 8 of return spring retraction connector sleeve 81.Two disassembly mechanisms being connect with two removal holes 21 In, a handwheel 71 rotates clockwise, another handwheel 71 rotates counterclockwise, then corresponding two removal rods 7 are relatively fixed Set 6 is moved down or is moved up with respect to fixing sleeve 6.8 bar wall of connecting rod is distributed with several cotter ways along 8 length direction of connecting rod.Dismounting 7 bottom end outer wall of bar is fixed with block 72, and 6 bottom end of fixing sleeve is equipped with caulking groove 62, and energy rotation hand wheel 71, block 72 is made to be embedded in caulking groove In 62, and block 72 can be moved down by removal rod 7 and pass through bottom outlet 34.Pole socket 33 is platy structure, and simultaneously for the cutting of side plate 32 It turns up to be formed, 32 upper side edge of side plate is bent to form is bonded fixed connecting plate 35 with 2 underrun fastener of lid.

This extracting tool and is moved down in place, relatively moves two hands later in use, fixing sleeve 6 is packed into removal hole 21 Wheel 71, makes handwheel 71 apart from reduction, and 61 front end of fixed link is made to push push rod 41, and 4 front end of pin rod is made to be detached with locked groove 52, and solid Fixed pole 61 is clipped between 2 bottom surface of bottom plate 31 and lid, and extracting tool is made to be relatively fixed with lid 2, later 71 band of rotation hand wheel Dynamic removal rod 7 rotates, and so that removal rod 7 is relatively fixed set 6 and move down, and 7 bottom end of removal rod passes through bottom outlet 34, and pushes support plate 5, make support plate 5 that anti-sand sleeve 51 be driven to move down, and handwheel 71 can be held and dismantle the lid 2 from well seat 1.Therefore it originally tears open Tool is unloaded using very convenient, even if 21 partial destruction of removal hole, extracting tool dismounting lid 2 will not be influenced, therefore use Longer life expectancy, use occasion is wider, and fixed with lid 2 while can be such that pin rod 4 is detached with locked groove 52, with quick release, and Support plate 5 is pushed jointly by two 7 bottom ends of removal rod, is avoided that the excessive stress of 5 single-point of support plate, causes dismounting difficult.

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

Dismantling well lid method is：It holds handwheel 71 and pulls to expand two 71 spacing of handwheel, two fixed links 61 are divided Two removal holes 21 are not fitted into, and fixing sleeve 6 is bonded 21 apertura lateralis wall of removal hole and enters in removal hole 21, moves down fixing sleeve 6 In place, 6 bottom end of fixing sleeve is made to be against on bottom plate 31,61 bar wall of fixed link is against on bottom plate 31 at this time, is held handwheel 71 and is passed through Connecting rod 8 and connector sleeve 81 coordinate, and so that two 61 spacing of fixed link is reduced, two fixing sleeves 6 is made to be against respectively in removal hole 21 On side opening wall, and pin 82 is embedded in cotter way, and 61 front end of fixed link pushes push rod 41, and baffle ring 42 is made to be moved towards pole socket 33, and So that 4 front end of pin rod is detached with locked groove 52, and fixed link 61 is clipped between 2 bottom surface of bottom plate 31 and lid, and makes extracting tool and lid Body 2 is relatively fixed, and bottom outlet 34 is aligned with removal rod 7, and both hands rotate two handwheels 71 and removal rod 7 is driven to rotate respectively, and make Removal rod 7 is relatively fixed set 6 and moves down, and 7 bottom end of removal rod passes through bottom outlet 34, and pushes support plate 5, and support plate 5 is made to drive sand prevention Set 51 moves down, and holds handwheel 71 and dismantles lid 2 from well seat 1；

Installing well lid method is：Handwheel 71 is held and moved, lid 2 is packed into well seat 1, the drive of rotation hand wheel 71 is torn open The rotation of bar 7 is unloaded, makes block 72 in the caulking groove 62, so that anti-sand sleeve 51 is moved up and between lid 2 and well seat 1, post-tensioning pin 82, a handwheel 71 is held and pulled, so that two 71 spacing of handwheel is increased, both hands are held and pull two handwheels respectively later 71, so that fixing sleeve 6 is bonded on 21 outside hole wall of removal hole, holds and pull up handwheel 71, and the dismounting dismounting work out of removal hole 21 Tool, and resetting spring 43 drives pin rod 4 to reset, and make 4 front end of pin rod in locked groove 82.

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 be used more herein well seat 1, baffle ring 11, support column 12, supporting block 13, compressed spring 14, lid 2, Removal hole 21, bezel ring, 22, mounting groove 23, perforation 24, channel steel 3, bottom plate 31, side plate 32, pole socket 33, bottom outlet 34, connecting plate 35, pin Bar 4, push rod 41, baffle ring 42, resetting spring 43, support plate 5, anti-sand sleeve 51, locked groove 52, fixing sleeve 6, fixed link 61, caulking groove 62, The terms such as removal rod 7, handwheel 71, block 72, connecting rod 8, connector sleeve 81, pin 82, extension spring 83, return spring 84, but It does not preclude the possibility of using other terms.The use of these items is only for more easily describe and explain the present invention's Essence；Any one of the additional limitations is construed as all to disagree with spirit of that invention.

Claims (9)

1. a kind of municipal well lid of readily removable safety, including circular ring shape well seat (1) and the circular plate lid (2) that is located in well seat (1), It is characterized in that：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 side To parallel with baffle ring (11) axis, support column (12) top is fixed with supporting block (13), several supporting blocks (13) and gear 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 circle Annular plate-like support plate (5), the support plate (5) is equipped with several supported holes, and several support columns (12) are respectively It is threaded through in several supported holes, the support plate (5) top surface outer is fixed with round shell-like anti-sand sleeve (51), further includes being sleeved on branch Compressed spring (14) on dagger (12), compressed spring (14) both ends respectively with baffle ring (11) top surface and support plate (5) bottom surface phase It supports, the anti-sand sleeve (51) inner wall is coaxially provided with one of annular lock groove (52)；

Set on the lid (2) there are two run through lid (2) top and bottom removal hole (21), two removal holes (21) with Lid (2) axis is that axial symmetry is distributed on lid (2), and removal hole (21) depth direction is parallel with lid (2) axis, removal hole (21) length direction is radially arranged along lid (2), and lid (2) bottom surface is coaxially provided with a circle circular ring shape bezel ring, (22), bezel ring, (22) Outer diameter is identical as lid (2) diameter, further includes two channel steels (3) being separately fixed on lid (2) bottom surface, the channel steel (3) include the bottom plate (31) and upper side edge parallel with lid (2) bottom surface and the fixed two blocks of side plates (32) in lid (2) bottom surface, two Block side plate (32) is mutually parallel, and two pieces of side plate (32) lower sides are connect with bottom plate (31) both sides respectively, and the channel steel (3) is long It spends direction along lid (2) to be radially arranged, and parallel with removal hole (21) length direction, opposite outer of two pieces of side plates (32) Pole socket (33) is respectively equipped on side, pole socket (33) is equipped with rod aperture, and the bezel ring, (22) is equipped with perforation (24), further includes U-shaped pin, U-shaped pin include two pin rods (4) being mutually parallel and both ends respectively with two pin rod (4) rear end push rods connected vertically (41), activity is threaded through in the rod aperture of two pole sockets (33) two pin rods (4) respectively, and pin rod (4) front end is threaded through wears respectively In hole (24), baffle ring (42) is fixed on the pin rod (4), further include be sleeved on pin rod (4), and both ends respectively with baffle ring (42) resetting spring (43) that offsets and on front side of pole socket (33) is additionally provided with bottom outlet (34) on the bottom plate (31), and two are torn open It unloads hole (21) to be located on the bottom plate (31) of two channel steels (3) along depth direction projection, and bottom outlet (34) is thrown along depth direction Shadow is located on removal hole (21)；

Several supporting blocks (13) are withstood on respectively on bezel ring, (22) bottom surface, and the compressed spring (14) pushes support plate (5) bottom surface makes anti-sand sleeve (51) be located between lid (2) and well seat (1), and anti-sand sleeve (51) inner and outer wall respectively with lid (2) outer wall and well seat (1) inner wall are adjacent to, and anti-sand sleeve (51) top is aligned with well seat (1) top surface and lid (2) top surface respectively, institute The resetting spring (43) stated pushes baffle ring (42), so that push rod (41) both ends is against respectively in two pieces of side plate (32) back side edges, and make Pin rod (4) front end is in locked groove (52), and the bottom outlet (34) is located at along depth direction projection in support plate (5).

2. the municipal well lid of the readily removable safety of one kind according to claim 1, it is characterised in that：Described bezel ring, (22) bottom surface is same Axis is equipped with one of annular mounting groove (23), and mounting groove (23) slot bottom is parallel with lid (2) bottom surface, and prolongs towards bezel ring, (22) edge It stretches, and when supporting block (13) is against on bezel ring, (22) bottom surface, supporting block (13) top is against mounting groove (23) slot bottom, supporting block (13) side wall is against on mounting groove (23) cell wall.

3. a kind of extracting tool for the municipal well lid of readily removable safety described in claim 2, it is characterised in that：Including two shapes The identical disassembly mechanism of shape, disassembly mechanism include outer diameter and removal hole (21) circle shell-like fixing sleeve (6) of same size, fixing sleeve (6) it is coaxially provided with internal thread hole in, further includes the externally threaded removal rod of band (7) that top is fixed with handwheel (71), described tears open It unloads bar (7) to be screwed onto on internal thread hole, further includes bar diameter fixed link (61) identical with fixing sleeve (6) outer diameter, fixed link (61) Rear end is connect with fixing sleeve (6) bottom end outer wall vertical, further includes non-circular rod-shaped connecting rod (8) and activity engagement sleeves in connecting rod (8) connector sleeve (81) of one end, connector sleeve (81) are equipped with pin hole, are equipped with pin (82) on pin hole, pin is cased on (82) The extension spring (83) that both ends are connect with pin (82) rear end with pin hole outer end respectively, the connecting rod (8) bar wall are equipped with Fixing sleeve (6) outer wall that cotter way, the connecting rod (8) other end and connector sleeve (81) other end distinguish two disassembly mechanisms is same One axial position connects, and corresponding two removal rods (7) of two disassembly mechanisms are mutually parallel, corresponding two fixed links (61) Coaxial arrangement, and two fixed link (61) front end relative orientation settings；

And handwheel (71) can be held, and two fixed links (61) are respectively cooperating with and are packed into two removal holes (21), and fixing sleeve (6) Fitting removal hole (21) apertura lateralis wall enters in removal hole (21), and when fixing sleeve (6) bottom end is against on bottom plate (31), described Fixed link (61) bar wall be against on bottom plate (31), and handwheel (71) can be held, and match by connecting rod (8) and connector sleeve (81) It closes, two fixed link (61) spacing is made to reduce, and two fixing sleeves (6) is made to be against respectively on the inside of removal hole (21) on hole wall, and Pin (82) end is aligned with cotter way and is embedded in cotter way, and fixed link (61) front end pushes push rod (41), makes baffle ring (42) court Pole socket (33) is mobile, and pin rod (4) front end is made to be detached with locked groove (52), and fixed link (61) is clipped in bottom plate (31) and lid (2) Between bottom surface, and extracting tool is made to be relatively fixed with lid (2), and the bottom outlet (34) is aligned with removal rod (7), and can led 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 (5) across bottom outlet (34), makes support plate (5) that anti-sand sleeve (51) be driven to move down, and can hold hand Wheel (71) simultaneously dismantles the lid (2) from well seat (1).

4. a kind of extracting tool for the municipal well lid of readily removable safety according to claim 3, it is characterised in that：Described The return spring (84) being connect respectively with connecting rod (8) one end and fixing sleeve (6) outer wall equipped with both ends in connector sleeve (81), and return Position spring (84) stretchy connecting rod (8) is retracted in connector sleeve (81).

5. a kind of extracting tool for the municipal well lid of readily removable safety according to claim 4, it is characterised in that：With two In two disassembly mechanisms of removal hole (21) connection, a handwheel (71) rotates clockwise, another handwheel (71) revolves counterclockwise Turn, then corresponding two removal rods (7) move down with respect to fixing sleeve (6) or opposite fixing sleeve (6) moves up.

6. a kind of extracting tool for the municipal well lid of readily removable safety according to claim 5, it is characterised in that：Described Connecting rod (8) bar wall is distributed with several cotter ways along connecting rod (8) length direction.

7. a kind of extracting tool for the municipal well lid of readily removable safety according to claim 6, it is characterised in that：Described Removal rod (7) bottom end outer wall is fixed with block (72), and the fixing sleeve (6) bottom end is equipped with caulking groove (62), and can rotation hand wheel (71), make block (72) in caulking groove (62), and block (72) can be moved down by removal rod (7) and pass through bottom outlet (34).

8. a kind of extracting tool for the municipal well lid of readily removable safety according to claim 7, it is characterised in that：Described Pole socket (33) be platy structure, and for side plate (32) cut and turn up to be formed, the side plate (32) upper side edge be bent to form with Lid (2) underrun fastener is bonded fixed connecting plate (35).

9. a kind of assembly and disassembly methods of the municipal well lid of readily removable safety described in claim 2, it is characterised in that：Including dismantling well lid side Method and installation well lid method,

Dismantling well lid method is：It holds handwheel (71) and pulls to expand two handwheel (71) spacing, by two fixed links (61) It being respectively cooperating with and is packed into two removal holes (21), fixing sleeve (6) fitting removal hole (21) apertura lateralis wall enters in removal hole (21), under It moves fixing sleeve (6) in place, so that fixing sleeve (6) bottom end is against on bottom plate (31), fixed link (61) bar wall is against bottom plate (31) at this time On, it holds handwheel (71) and is coordinated by connecting rod (8) and connector sleeve (81), so that two fixed link (61) spacing is reduced, make two A fixing sleeve (6) is against respectively on the inside of removal hole (21) on hole wall, and pin (82) is embedded in cotter way, and fixed link (61) front end Push rod (41) is pushed, keeps baffle ring (42) mobile towards pole socket (33), and pin rod (4) front end is made to be detached with locked groove (52), and fixed link (61) be clipped between bottom plate (31) and lid (2) bottom surface, and extracting tool made to be relatively fixed with lid (2), and bottom outlet (34) with Removal rod (7) is aligned, and both hands rotate two handwheels (71) and removal rod (7) is driven to rotate respectively, and removal rod (7) is made to be relatively fixed Set (6) moves down, and removal rod (7) bottom end passes through bottom outlet (34), and pushes support plate (5), and support plate (5) is made to drive anti-sand sleeve (51) It moves down, hold handwheel (71) and dismantles the lid (2) from well seat (1)；

Installing well lid method is：Handwheel (71) is held and moved, lid (2) is packed into well seat (1), rotation hand wheel (71) band Dynamic removal rod (7) rotation, makes block (72) in caulking groove (62), so that anti-sand sleeve (51) is moved up and is located at lid (2) and well seat (1) between, a handwheel (71) is held and pulled to post-tensioning pin (82), and two handwheel (71) spacing is made to increase, later both hands point Two handwheels (71) are not held and pulled, so that fixing sleeve (6) is bonded on the outside of removal hole (21) on hole wall, are held and pull up handwheel (71), extracting tool and out of removal hole (21) is dismantled, and resetting spring (43) drives pin rod (4) to reset, and before making pin rod (4) End is in locked groove (82).