108 results about "Municipal well" patented technology

The invention provides an anti-theft municipal well cover detachment structure, and belongs to the field of equipment of municipal engineering, which solves the problem of poor anti-theft property of the existing well cover. The anti-theft municipal well cover detachment structure comprises a well base, a cover body, a detachment ring, a plurality of detachment rods, a hinge base and a steel plate, wherein the top part of the inner wall of the well base is provided with an annular groove; the cover body is covered on the annular groove; detachment holes are formed in the cover body; a connecting base is fixedly arranged at the inner edge of the detachment ring, penetrating holes are formed in the connecting base, and the detachment rods are penetrated into the penetrating holes in the connecting base; the hinge base is fixedly arranged on the bottom surface of the cover body; the steel plate is movably connected with a pin shaft; the pin shaft is movably connected with the hinge base; the inner wall of the well base is provided with a clamp groove; the outer end of the steel plate is positioned on the clamp groove; a tension spring is connected between the top surface of the inner end of the steel plate and the bottom surface of the cover body; each detachment hole is projected onto the top surface of the inner end of the steel plate. The anti-theft municipal well cover detachment structure has the advantage that the anti-theft property is good.

A method and apparatus for monitoring, controlling, recording, and transmitting operational parameters of an aquifer test, municipal well, dewatering project, pump and treat remediation project, or similar activity is presented. Water from a water source, typically a well, is directed through a flow control and monitoring assembly containing sensors to measure well parameters. Sensor readings are sent to a computing device for processing. Discrepancies are detected and operational parameters adjusted to avoid discrepancy-related failures. On-site and off-site personnel interface with the system through a man-machine interface or telephonic communication means, respectively. Performance and efficiency are determined in terms of drawdown, yield, rate of flow, residual drawdown, and specific capacity.

The invention relates to a municipal foundation maintenance device, in particular to a municipal well lid upwarp device. The municipal well lid upwarp device can save manual direct operation of well lids, reduce personal influence on operators by dust, and is short in consumed time and few in consumed resource. The municipal well lid upwarp device comprises a base plate, wheels, a pushing handle and guide rods; the wheels are arranged at the bottom of the base plate; the pushing handle is vertically arranged on the right side of the top of the base plate; the guide rods are vertically connected to the left and right sides of the top of the base plate; support rods are arranged at the tops of the guide rods on the left and right sides; guide sleeves sleeve the guide rods on the left and right sides; and moving mechanisms are mounted at the middle parts of the support rods. Through cooperation of the moving mechanisms and vibration mechanisms, the well lids are upwarped, so that the effects of saving of manual direct operation of the well lids, reduction of personal influence on the operators by the dust, short consumed time and few consumed resources are achieved.

The invention discloses an intelligent antitheft municipal well lid comprising a well lid body, a two-dimensional code, a light energy power generation module, a charging management module, an accumulator, a GPS positioning module, an electronic lock, an alarm device, a back-stage management system and the like. The whole system is integrally mounted in the well lid; an operation power source is provided for the system through the light energy power generation module, the charging management module and the accumulator; the electronic lock is opened and closed by scanning the two-dimensional code; the alarm device is used for monitoring the water level and the air quality in a well, when the water level is excessively high or the air quality is poor, the alarm device gives an alarm automatically and sends information to the back-stage management system automatically, and a passerby can also provide the corresponding information for the back-stage management system by scanning the two-dimensional code after hearing the alarm; and the intelligent antitheft municipal well lid integrates multiple functions and is convenient and rapid to install and use, the dangerous situation inside the municipal well can be automatically monitored, and the situation that the well lid is stolen is reduced greatly through a two-dimensional code unlocking mode.

The invention relates to a municipal infrastructure engineering well lid pavement construction process. A municipal well lid pavement construction device is adopted by the municipal infrastructure engineering well lid pavement construction process, and comprises a support sleeve, a telescopic column, a stabilizing plate, a guide block, an adjusting block, an adjusting bolt, a clamping plate and ascraping mechanism; the municipal infrastructure engineering well lid pavement construction process comprises the following steps: S1, digging a well site foundation trench; S2, locking a supporting sleeve; S3, cleaning the well site foundation trench; S4, carrying out well lid installation; and S5, carrying out well site foundation trench paving. The problems that when a foundation trench is manually cleaned in the prior art, the precision of manually cleaning the foundation trench is poor, the efficiency is low, the bottom and the side wall of the foundation trench cannot be in a straight state, and therefore the installation effect of a well lid supporting steel frame is affected can be solved; chippings generated by manually cleaning the foundation trench can be splashed at will, so that certain potential safety hazards are generated and the like.

The invention relates to a casting device, in particular to a municipal well lid casting device. The invention aims to solve the technical problem so as to provide the municipal well lid casting device which is convenient for people to cast a well lid without the need for using a wood board, capable of accelerating the hardening of concrete, and high in working efficiency. The invention provides the technical scheme that the municipal well lid casting device comprises a bottom plate, support rods, an annular slide rail, an annular sliding block, an annular block, an inner gear ring and the like, wherein the support rods are fixedly connected to the left side and the right side of the top part of the bottom plate; and the annular slide rail playing a role in guiding is arranged between thetop ends of the support rods on the left side and the right side. According to the municipal well lid casting device provided by the invention, the concrete is poured into a hole plate so as to be hardened to form the well lid, and the process of making the wood board into the shape of the well lid and then pouring the concrete is not needed, so that convenience and rapidness are realized; and inaddition, through a pushing device, the cast well lid can fall so as to be collected by operating personnel, so that the occurrence of the phenomenon that the well lid violently contacts the bottom plate so as to cause damage is avoided.

The invention discloses a municipal sewage manhole cover capable of preventing odour from wafting and relates to the technical field of municipal engineering. A problem that gas in a sewer easily rushes upwards through a manhole cover to cause adverse effects on urban air quality and citizen health because an existing municipal manhole cover does not have a function of preventing odour in the sewer from wafting is solved. The municipal sewage manhole cover capable of preventing the odour from wafting comprises a manhole cover base, a four-hole manhole cover, a mounting frame, an odour isolation component and the like; the four-hole manhole cover is movably mounted on one side surface of the manhole cover base; the mounting frame is fixedly mounted on the other side surface of the manhole cover base; and the odour isolation component is mounted on the manhole cover base. According to the municipal sewage manhole cover capable of preventing the odour from wafting, through cooperative working of the odour isolation component, an odour pumping component and an odour adsorption component, impurities carried in the water can be prevented from entering into the sewer, the odorous gas in the sewer can also be stopped under the manhole cover, and the odorous gas can be prevented from wafting outwards from the interior of the sewer.

The invention discloses a garbage recovery plastic regeneration method. The garbage recovery plastic regeneration method comprises the following steps: (1) plastic is firstly sorted from garbage; (2) cleaning: sorted plastic bags are positioned in a box provided with multiple screen holes in the bottom and the periphery; and then, the box is dipped in a pool, and is repeatedly oscillated; (3) the cleaned plastic is drained off, and is dried by hot air; (4) the plastic is heated to reach a molten state; (5) a mold is prepared; and a reinforcement bracket is arranged in the mold; and (6) the plastic in the molten state is put in the mold for synchronous pressurization, and the outer periphery of the mold is cooled by water when pressurizing, so that the plastic can be pressurized during cooling; and after the plastic is cooled to reach a certain temperature, a finished product is taken out from the mold. The plastic extracted from the garbage is adopted as municipal well lids, sewer grids and the like; and the plastic well lids manufactured with few reinforcement brackets as skeletons are better in pressure resistance, and have the effects of environmental protection, easiness in manufacturing and low cost.

The invention discloses a system solution that an information collection device is embedded and installed in concrete above an isolation layer of a shaft of an inspection well and under a well lid bearer to monitor well foundation sinking information, discloses a concrete installation position and an installation method of an information collection device, and discloses electronic component information integrated by the information collection device and an implementation method. Through comprehensive utilization of Internet of Things correlative technologies of an active radio frequency identification technology, a sensing technology, a geographic information technology, a computer network technology, other wireless communication technologies and the like, an urban inspection well and well lid management and event disposal networked and refined municipal well lid comprehensive intelligent management solution is established. The employed electronic components of an RFID radio frequency identification recognizer, a displacement sensor and the like are subjected to strict selection, matching and design, and are integrated in an enclosed protection shell.

The invention belongs to the technical field of underground box culvert detection and layout facilities, and particularly relates to a concealed culvert detection and layout method. The layout methodcomprises the following steps that 1) a cable end of a cable winding and unwinding vehicle is connected with a three-way conversion joint on a detection robot; 2) the detection robot enters the box culvert; 3) a power supply and other devices on the detection robot are started through a ground control station; 4) the ground control station controls the detection robot to walk in the box culvert ashore and acquires images in the box culvert; 5) the detection robot collects images and data and feeds back the images and data to the ground control station; 6) an operator pulls the detection robotout of the box culvert through the ground control station; (7) the detection robot is pulled out of a municipal wellhead, and the operator separates the cable end from the three-way conversion joint on the detection robot; and (8) the separated detection robot waits for detection of the next box culvert. The method has the advantages that the workload before operation is reduced, and 360-degree detection of the interior of the box culvert is achieved.

The invention provides a municipal well lid and a disassembling tool and an assembling and disassembling method thereof, and belongs to the field of municipal engineering equipment. The problem that an existing well lid is difficult to disassemble is solved. The municipal well lid comprises a chamber body and a lid body, and further comprises a plurality of supporting columns, a ring-shaped supporting plate and compression springs, wherein a baffle ring is arranged on the inner wall of the chamber body; the bottom ends of the supporting columns are fixed to the top surface of the baffle ring;a supporting block is fixed at the top end of each supporting column; a plurality of supporting holes are formed in the supporting plate; the supporting columns separately penetrate in the supportingholes; a sand-proof sleeve is fixed at the outer edge of the top surface of the supporting plate; each compression spring sleeves the corresponding supporting column; two ends of each compression spring are abutted to the top surface of the baffle ring and the bottom surface of the supporting plate; a fixing hole which penetrates through the top surface and the bottom surface of the lid body is formed in the center of the lid body; a plurality of disassembling holes are further formed in the lid body; and the supporting plate is positioned below the disassembling holes. By the well lid, the problem that the well lid is difficult to disassemble due to the fact that a gap is blocked by gravels can be avoided, and meanwhile, the well lid disassembling difficulty can be reduced by the disassembling tool.

The invention discloses a drainage inspection well lid convenient to open, and relates to the technical field of municipal well lids. The drainage inspection well lid comprises a well lid base and a well lid body, an open hole is formed in the well lid body, and a lifting cover plate is fixedly connected into the open hole; a first circular ring is fixedly connected to the position, located at theopen hole, of the lower surface of the well lid body, a second bearing ring used for supporting the cover plate is fixedly connected into the first circular ring, a plurality of clamping holes are formed in the second bearing ring, a supporting disc is fixedly connected into the first circular ring, and an elastic structure used for assisting in opening the cover plate is fixedly connected to thesupporting disc; a through hole is formed in the center of the cover plate, a second circular ring is fixedly connected to the lower surface of the cover plate, and clamping blocks matched with the clamping holes are arranged on the peripheral side face of a second drainage hole. The cover plate is connected to the well lid body, the cover plate is rotated to enable the clamping blocks to be located in the clamping holes, the elastic structure can automatically bounce the cover plate, rainwater is drained into a sewer from the peripheral side face of the cover plate, and thus the drainage purpose is achieved.

The invention discloses an anti-falling system for a municipal well pit. The anti-falling system comprises a wellhole formed inside the ground surface. A lifting plate is connected into the wellhole in a sliding mode. Two steel ropes are connected to one side of the lifting plate. One end of each steel rope penetrates out of the wellhole and winds a rolling wheel. A driving device is connected toeach rolling wheel. The anti-falling system for the municipal well pit has the following beneficial effect that the anti-falling system can still ensure the safety of pedestrians after a well cover isstolen.

The invention discloses an opening device for a municipal well lid, and belongs to the technical field of municipal equipment. The opening device for the municipal well lid comprises a base, wherein avertical plate is mounted on the upper surface of the base; bolts mounted at the upper end of the vertical plate are connected through a connecting rod; a warp plate is arranged on the connecting rod; one end of the warp plate is connected with a second hanging ring; the second hanging ring is connected with a third hanging ring through a steel wire rope; the third hanging ring is mounted on a well lid clamping device; and the well lid clamping device comprises an outer frame body, a first baffle, a second baffle, a first ejector, a second ejector and an inner connecting column. The whole well lid clamping device can be easily placed in a hole which is formed in the well lid, meanwhile, the well lid clamping device is placed in the hole in the well lid and the well lid is clamped by a telescopic guiding rod, in a whole process of opening the well lid, the well lid clamping device cannot slip off from the inside of the hole in the well lid, the well lid is clamped firmly, lid opening cannot fail, and the lid opening success rate is high.

The invention discloses a municipal well lid moving device, and belongs to the field of municipal management equipment. The municipal well lid moving device consists of a base, a supporting frame, an electric control box, a storage battery, pushing rods, a controller, a lifting supporting plate, electromagnetic chucks, rotary bases, roller wheels, hydraulic cylinders and hydraulic pistons. The municipal well lid moving device is characterized in that the supporting frame is mounted above the base, wherein the electric control box is mounted at the upper end of the supporting frame; the storage battery is further mounted at the upper end of the supporting frame; the storage battery is connected with the electric control box through an electric wire; the pushing rods are arranged at the rear end of the base; the controller is mounted on the pushing rods; two hydraulic cylinders are mounted at the lower end of the supporting frame; the hydraulic pistons are sleeved by the hydraulic cylinders; the lower ends of the hydraulic pistons are connected with the lifting supporting plate; four electromagnetic chucks are mounted at the lower end of the lifting supporting plate; four rotary bases are mounted at the lower end of the base; and roller wheels are mounted on the rotary bases. According to the municipal well lid moving device disclosed by the invention, the hydraulic cylinders, the electromagnetic sucks and the roller wheels are matched, so that the lifting and transporting function of the well lid is improved, and manpower resources are saved.

The invention relates to a reinforcing method for underneath passing of an existing pipeline in an ultra-shallow-buried underground excavated tunnel by using a municipal well, and belongs to the technical field of tunnel construction. The reinforcing method comprises the following steps that the range of a grouting reinforcing area is determined; a grouting reinforcement scheme is determined; a plurality of settlement observation points are arranged for real-time monitoring; when excavation is carried out to a first preset position where an existing pipeline penetrates downwards, advance supporting of a pipe shed and a small guide pipe is stopped in an arch crown area; a municipal road well communicating with the existing pipeline is utilized, and drilling grouting reinforcement is carriedout on surrounding rock-soil bodies according to a pre-divided grouting reinforcement area; after grouting is completed, excavation construction of underneath passing of the tunnel through the existing pipeline is carried out; temporary vertical supports are applied to reinforce supporting; when the underground excavated tunnel is excavated to penetrate through a second preset position on the other side of the existing pipeline, advance supporting of the pipe shed and the small guide pipe is continued; and an original municipal road well is repaired. Normal use of theexisting pipeline and construction safety of a newly-built tunnel can be guaranteed, and the purpose of controlling settlement deformation of the existing pipeline and the ground is achieved.

The invention provides a safety municipal manhole cover and a dismounting tool and method and belongs to the field of municipal engineering equipment. By means of the safety municipal manhole cover and the dismounting tool and method, the problem that existing manhole covers are difficult to dismount is solved. The safety municipal manhole cover comprises a manhole seat and a cover body. A stop ring is arranged on the inner wall of the manhole seat. The safety municipal manhole cover further comprises support pillars, wherein the bottom ends of the support pillars are fixed to the top face ofthe stop ring. A support block is fixed to the top end of each support pillar. The safety municipal manhole cover further comprises a support plate. The support plate is provided with support holes. The support pillars are arranged in the support holes in a penetrating manner. An anti-sand sleeve is fixed to the top face of the support plate. The safety municipal manhole cover further comprises compressing springs, wherein each support pillar is sleeved with the corresponding compression spring. A locking groove is formed in the inner wall of the anti-sand sleeve. The cover body is provided with two dismounting holes. Each dismounting hole comprises a sleeve hole. A fixing hole is formed in the hole wall of one side of each sleeve hole. The bottom face of the cover body is provided with afixing hole. A locking block is embedded into the fixing groove. A rod groove is formed in the outer wall of the locking block. A first limiting groove is formed in the groove wall of the rod groove.The cover body is internally provided with a locking hole. A locking rod is arranged in the locking hole in a penetrating manner. A limiting block is fixed to the inner end of the locking rod. The safety municipal manhole cover further comprises return springs located in the dismounting holes. By means of the manhole cover, antitheft performance can be improved, and the dismounting difficulty canbe lowered.

The invention discloses a device for replacing a damaged municipal well lid. The device comprises a box body and a well lid, wherein the well lid is arranged inside the ground, well lid holes are symmetrically formed in the well lid left and right, a cavity with a downward opening is formed inside the box body, after stop blocks penetrate through the well lid holes, sliding blocks slide on a rotating cavity to drive cylindrical blocks to rotate, the cylindrical blocks and the stop blocks are driven to move downwards through a power mechanism, after the stop blocks penetrate through the well lid holes, the cylindrical blocks rotate through the sliding blocks, so that the stop blocks rotate; and then the power mechanism drives the well lid to move upwards through the stop blocks, the well lid falls on threaded blocks on the left side and the right side through a placing mechanism, then the well lid is pushed into a round hole through pushing blocks in a replacing mechanism, and in the process of taking out the damaged well lid, manual carrying is not needed, the situation that workers are injured due to the fact that the well lid smash the workers is avoided, labor work is also reduced, rotating knobs are rotated, so that long plates on the left side and the right side can be away from each other, and the new well lid falls on a mounting position.

The invention discloses a municipal well lid suitable for municipal roads and capable of preventing peculiar smell diffusion, relates to the technical field of municipal facilities, and solves the problems that an existing municipal well lid is prone to blockage, drainage is affected, and a well mouth is prone to blockage after the well lid is broken. The municipal well lid comprises a well lid fixing seat, wherein a well lid main body is rotationally arranged at the top of the well lid fixing seat through a rotating shaft; a supporting bracket is further fixedly arranged on the inner side ofthe well lid fixing seat in a welded mode; four partition plates are further rotationally arranged on the inner side of a peculiar smell preventing device through rotating shafts; and a set of reinforcing ribs are fixedly embedded into the inner side of the well lid main body. When it rains, if rainwater flows to the top of the peculiar smell preventing device, the rainwater flows to the inner side of the bottom of the peculiar smell preventing device through a leakage net on the front side of the top of the peculiar smell preventing device, the rainwater impacts the partition plates to enablethe partition plates to rotate, and therefore an opening is formed, normal drainage is guaranteed; and the opening is large, so that the blockage is not likely to happen.

The invention relates to a well lid moving device, in particular to a municipal well lid moving device. The municipal well lid moving device can replace manual work to move away a well lid, manpower is saved, and the workload of workers is relieved. The municipal well lid moving device comprises a moving assembly, a lifting assembly which is installed on the moving assembly and ascends and descends in a sliding manner, and a buckling assembly which is installed on the lifting assembly and conducts buckling in a sliding manner. By means of the municipal well lid moving device, the equipment can be moved to a proper position through the moving assembly, the buckling assembly can be moved through the lifting assembly, then the well lid is moved, the well lid can be clamped through the buckling assembly when the well lid is moved, the moved well lid can be placed through a placing assembly, a discharging plate can be automatically pushed out through an automatic pushing assembly, and the municipal well lid moving device is more convenient to use by people; and a supporting plate can be automatically pushed to rotate through a rotating assembly, a large amount of manpower is saved, and the well lid can be automatically loosened through an automatic closing assembly.

The invention provides a safe anti-theft municipal well lid, a disassembling tool and a disassembling and assembling method, and belongs to the field of municipal engineering equipment. According to the well lid, the disassembling tool and the disassembling and assembling method, the problem that an existing well lid is troublesome to disassemble and assemble is solved. The safe anti-theft municipal well lid comprises a well seat and a well lid body, wherein a baffle ring is arranged on the inner wall of the well seat, an annular locking groove is formed in the inner wall of the baffle ring, and disassembling holes are formed in the well lid body; the well lid further comprises connecting plates, limiting plates and connecting sleeves; wherein the outer edges of the connecting plates and the outer edges of the limiting plates are fixed to the top ends and the bottom ends of the connecting sleeves correspondingly, and the connecting plates are fixed on the bottom surface of the well lidbody; the well lid further comprises upper hinge seats, wherein the top ends of the upper hinge seats are fixed on the bottom surfaces of the connecting plates, the bottoms of the upper hinge seats are movably connected with lower hinge seats, and the axes of connecting shafts are parallel to the axis of the well lid body; the well lid also comprises lock rods fixed to the lower hinge seats, thelock rods are parallel to the bottom surface of the well lid body, the connecting shafts are sleeved with torsion springs, wherein the two ends of the torsion springs are fixed to connecting grooves and the connecting shafts correspondingly; and a rod hole is formed in the sleeve wall of each connecting sleeve. The well lid is good in anti-theft performance and convenient to assemble and disassemble.

The invention provides an easy-dismounting type safe municipal well lid, a dismounting tool and a dismounting method, belongs to the field of municipal construction equipment, and aims at solving theproblem of complex dismounting and mounting of an existing well lid. The easy-dismounting type safe municipal well lid comprises a well seat and a lid body, wherein a stopping ring is arranged on theinner wall of the well seat. The easy-dismounting type safe municipal well lid further comprises a supporting column of which the bottom end is fixed to the top surface of the stopping ring; a supporting block is fixed to the top end of the supporting column. The easy-dismounting type safe municipal well lid further comprises a supporting plate; the supporting column correspondingly pass through supporting holes; a sand preventing sleeve is fixed to the outer edge of the top surface of the supporting plate. The easy-dismounting type safe municipal well lid further comprises compressing springswhich sleeve the supporting columns; a lock slot is formed in the inner wall of the sand preventing sleeve; two dismounting holes are formed in the lid body; a lid ring is arranged on the bottom surface of the lid body. The easy-dismounting type safe municipal well lid further comprises two channel steels; each channel steel comprises a bottom plate and two side plates; rod seats are arranged onthe outer side surfaces of the two side plates; a through hole is formed in the lid ring. The easy-dismounting type safe municipal well lid further comprises a U-shaped pin which consists of two pin rods and a pushing rod; the front ends of the pin rods pass through the through hole; a stopping ring is fixed to each pin rod. The easy-dismounting type safe municipal well lid further comprises returning springs which sleeve the pin rods. The easy-dismounting type safe municipal well lid is high in antitheft performance, and is convenient to dismount and mount.

The invention provides a safety municipal well lid demounting structure and a demounting method thereof, and belongs to the field of municipal engineering equipment, solving the problem of difficultyin demounting of existing well lids. The safety municipal well lid demounting structure comprises a well lid and a demounting tool. The well lid comprises a well base and a lid body. The inner wall ofthe well base is provided with a stop ring and a lock groove. A demounting hole is formed in the lid body. A fixing groove is formed in the bottom face of the lid body. A locking block is embedded into the fixing groove fittingly. A rod groove is formed in the outer wall of the locking block. A lock hole is formed in the lid body. A lock rod penetrates the lock hole. The demounting tool comprisesa demounting ring and an adjusting ring. An upper connection base and a lower connection are fixedly arranged on the demounting ring and the adjusting ring. A through hole is formed in the upper connection base. A stop sleeve is arranged on the lower connection base. A demounting mechanism comprises a demounting rod, an adjusting rod and a fixing rod. The bottom end of the adjusting rod is hingedwith the top end of the demounting rod. The top end of the adjusting rod is fixed to the upper connection base. The fixing rod is connected with the bottom end of the demounting rod through a connection rod. A well lid has good anti-theft performance and is convenient to demount.

A municipal well lid maintenance device comprises a lifting mechanism and an aiming mechanism. The aiming mechanism is arranged above the lifting mechanism, and the lifting mechanism comprises first motors. A top plate is arranged above the first motors, and first lead screws rotationally connected with the top plate are mounted at the tops of the first motors. A first sliding plate is slidably connected between the first lead screws, and a round channel is arranged in the center of the first sliding plate. The municipal well lid maintenance device has the advantages that the municipal well lid maintenance device is simple in structure and easy and convenient to operate, direct manual operation on a well lid can be avoided, the well lid can be demounted fast, and the efficiency is greatlyimproved; a reflective auxiliary aiming function is provided, and therefore a worker can align the center of the device to the center of the well lid fast, three points do not need to be located on one line for aiming, and dust rise can be reduced when the well lid is opened to reduce harm to the human body; and after the well lid is opened, automatic collecting can be carried out, and the deviceis simple, efficient, convenient, fast and high in automation degree.

The invention belongs to the technical field of municipal well drilling, and particularly relates to a well drilling bit for municipal public works. The well drilling bit comprises a gear ring, an annular shaft, a gear ring side wall, a supporting top cover, a motor, an annular tooth, a motor rotary shaft, an inner ring, a clamping block, a clamping block inner block, an outer ring, an ejector block and a clutch shoe. According to the well drilling bit, a ring guide loop is arranged between the inner ring and the outer ring so that the outer ring and the inner ring can rotate oppositely; the clamping block and the ejector block are matched with each other, and thus the effect that when an inner drill is stuck, an annular drill shell can rotate reversely with high powder, the well bottom is loosened through drilling from the outer circular side, and the inner drill can break away from the stuck state easily; and after the annular drill shell is stuck, rotation of the inner drill is limited by the annular drill shell, meanwhile, the inner drill is powered off, the annular drill shell obtains more power and rotates reversely, the well bottom is loosened through drilling from the outer circular side, and the inner drill and the annular drill shell can restore to the original rotation state easily. According to the well drilling bit, the inner drill can break away from the stuck state automatically through reverse rotation of the annular drill shell, and the using effect is better.

The invention discloses a municipal well lid. A rubber top shell is arranged at the top end of a well lid body, when a vehicle rolls over the top shell, the top shell can achieve a preliminary buffering effect, thus impact force on the well lid body is reduced, and meanwhile, noise can further be reduced; then a compression spring is arranged between the top shell and the well lid body and can achieve a further buffering effect, the impact force transmitted to the well lid body is reduced, thus the pressure borne by the well lid body is reduced, and damage of the well lid due to excessively large bearing force can be avoided; then a light reflecting groove is formed in the top shell, a fluorescent rod is arranged in the light reflecting groove, thus the fluorescent rod emits light to remind passing vehicles at night, the number of the vehicles rolling over the well lid can be decreased, and accordingly the service life of the well lid is prolonged; and then an anti-falling net is arranged in a well lid ring, when the well lid is damaged, waste on the road surface can be filtered, and the waste is prevented from falling down to the well bottom.

The invention discloses a municipal well lid loss early warning protection device which comprises an annular device, base conical barrels, a first-stage telescopic barrel, a second-stage telescopic barrel, a spring, an annular connecting rod and a supporting device. A first-stage telescopic cylinder and a second-stage telescopic cylinder are sequentially connected into the base conical cylinder in a sliding mode, the interiors of the base conical cylinder, the first-stage telescopic cylinder and the second-stage telescopic cylinder stretch out and draw back through springs, and horizontal annular connecting rods are fixed to the tops of the outer walls of the base conical cylinder, the first-stage telescopic cylinder and the second-stage telescopic cylinder. A plurality of supporting devices are installed on the inner circumference of the annular device. The device plays a role in warning, prevents pedestrians from falling into a wellhead, prevents foreign matters from being washed into the wellhead by rainwater in cooperation with the annular connecting rod, and can also play a role in blocking the foreign matters and preventing the wellhead from being blocked.

The present invention provides a well lid location alarm system. The system comprises two layers of device frameworks which are a monitoring point and a data collection station. The monitoring point and the data collection station are subjected to close range wireless transmission with large power, the emission efficiency is about 5w, and one data collection station can totally cover the monitoring points in the urban road environment in the diameter range of 6KM; and after the data collection point station collects data, the data collection point station uploads the data to a server. The well lid location alarm system can reinforce the management of the municipal well lids, and can timely find and solve the problem when the well lids are stolen or lost, and therefore, the great loss of the people production life and the life property can be avoided.

The invention discloses an adjustable inspection well lid based on urban road construction, and relates to the technical field of municipal well lids. The adjustable inspection well lid comprises a base and a well lid body, a plurality of drainage holes are evenly formed in the well lid body in the radial direction, an adjusting mechanism is rotationally connected to the center of the well lid body and comprises a first rotary disc and a second rotary disc, a rotary shaft is fixedly connected between the first rotary disc and the second rotary disc, and a through hole rotationally matched withthe rotary shaft is formed in the center of the well lid body; and the first rotary disc and the second rotary disc are arranged on the upper side and the lower side of the well lid body respectively, connecting rods in one-to-one correspondence with the drainage holes are rotatably connected to the second rotary disc, a sealing plate used for sealing the drainage holes is rotatably connected toone ends of the connecting rods and is an arc-shaped plate, and a supporting structure used for supporting the sealing plate is fixedly connected to the lower surface of the well lid body. When the inspection well lid needs to drain water, the drainage holes can be opened through the adjusting mechanism, so that the purpose of draining water is achieved, and running of pedestrians and passing vehicles is not affected.

The invention relates to a municipal well lid. The municipal well lid includes a base and a well lid body, a plurality of drain holes are formed in the well lid body at intervals, and the municipal well lid is characterized in that the municipal well lid further includes a baffle for shielding the drain holes, a sensor for sensing a water flow and a drive device for driving the baffle to slide toexpose the drain holes after the water flow is sensed. The technical scheme is adopted, according to the municipal well lid, waste can be effectively prevented from entering, and meanwhile maintenanceand opening are also facilitated.