387results about How to "Easy to stick out" patented technology

The invention discloses a hardware machining polishing device capable of polishing steel tube notches conveniently. The hardware machining polishing device comprises a supporting frame, a fixing frame, a motor and a second gear. A connecting rod is arranged in the supporting frame, and a sliding groove is formed in the supporting frame; the motor is connected with a first gear and a first polishing block through a connecting shaft, and a storage groove is reserved in the first polishing block; and a horizontal shaft is connected with a polishing frame through a moving groove, and a second polishing block is mounted on the left side of the horizontal shaft. According to the hardware machining polishing device capable of polishing the steel tube notches conveniently, a connecting piece and aconnecting lantern ring are of an integrated structure, a through hole in the inner side of the connecting piece is of a crisscross-shaped structure, the through hole and the connecting rod are in matched connection, the connecting lantern ring and a mounting rod form a sliding structure through balls so that the connecting lantern ring can slide on the connecting rod conveniently, meanwhile, theconnecting rod can drive the connecting lantern ring to rotate on the mounting rod conveniently, and the connecting shaft can be driven to rotate.

The invention aims at providing a slide vane compressor. The problem that backpressure oil supplying of an existing slide vane compressor is not stable is mainly solved. According to the technical scheme, negative pressure is generated in a main oil way in a spindle through a fan, and then an upper oil tube assembly is used for pumping oil from an oil pool; a backpressure oil tank is communicated with the main oil way, and the main oil way supplies pressure oil to the backpressure oil tank. Through the arrangement, oil supplying of the backpressure oil tank is more stable and reliable.

The invention relates to a noise reduction type installation assembly provided with a guide sliding groove and used for an LED display device (26). The noise reduction type installation assembly comprises a track beam (12), a lower roller (13), an upper roller (14), an LED display device installation connecting piece (261) and a driving box (27), wherein the track beam (12) is fixed to a building (1201), and a cantilever of the track beam (12) extends out to be provided with two track grooves (120) which are arranged up and down; the lower roller (13) and the upper roller (14) can roll in the two track grooves (120) respectively; and the LED display device installation connecting piece (261) and the driving box (27) are connected to the two corresponding sides of the lower roller (13) and the upper roller (14).

The invention relates to the technical field of agricultural machine application and in particular relates to an assistant strawberry picking device comprising a picking vehicle; the bottom of the picking vehicle is provided with a traveling mechanism; two sides of the picking vehicle are provided with carding mechanisms; the top of the picking vehicle is provided with a shearing mechanism; both the carding mechanisms and the shearing mechanism are driven by a stepping motor; the tail of the picking vehicle is provided with a hand push rod on which a starting / stopping switch for controlling the stepping motor is arranged; and a vehicle body of the picking vehicle is provided with a strawberry collecting box. Due to the adoption of the structural arrangement, the traveling and steering of the picking vehicle can be conveniently realized by using the traveling mechanism; strawberries can be sorted by the carding mechanisms; the strawberries can be sheared by the shearing mechanism; and the sheared strawberries are collected by the strawberry collecting box, so that the work efficiency for strawberry picking is effectively increased, and meanwhile, the picking personnel can pick a great number of strawberries on ridges without stooping.

The invention discloses a pediatric clinical transfusion protector. The pediatric clinical transfusion protector comprises a mounting plate, wherein the left end and right end of the mounting plate are both provided with two fixing rings symmetrically arranged, the upper surface of the mounting plate is provided with a leather cushion, the left end of the side face of the mounting plate is provided with two width adjusting devices symmetrically arranged, the upper end of each width adjusting device is provided with a height adjusting device, the left end of the upper surface of the mounting plate is provided with a rubber block, the middle portion of the upper surface of the mounting plate is provided with a wrist fixing device, and the upper surfaces of the mounting plate and leather cushion corresponding to an arc-shaped clamping plate of the wrist fixing device are both provided with clamping grooves. The pediatric clinical transfusion protector has the advantages that the structureis simple, the pediatric clinical transfusion protector can be adjusted, can fix arms and hands, wrists and palms of a pediatric patient, thereby preventing needles from falling off and running off,the arc-shaped plate can move in a small range, thereby being convenient for blood circulation of the pediatric patient, the fatigue of an accompanying worker can also be effectively alleviated, it isavoided that accidents occur, the safety is high, the operation is simple, and the use is convenient.

The invention discloses a novel environment-friendly bookcase, comprising a cabinet body, an inner cavity of the cabinet body is fixedly connected with a support plate, the inner cavity of the support plate is provided with a sliding plate, and the sliding plate extends away from a side of the inner cavity of the supporting plate To the outside of the support plate, both sides of the top of the cabinet are provided with deep grooves, the inner cavity of the deep groove is provided with a U-shaped plate, and the top of the U-shaped plate extends to the outside of the deep groove, and the U-shaped plate extends to the outside of the deep groove. Both sides of the mold plate and the inner cavity located in the deep groove are provided with card slots, the tops of both sides of the cabinet are fixedly connected with fixing blocks, and the side of the fixing blocks close to the cabinet is provided with grooves. The inner cavity of the groove is provided with a pull rod. The invention can fix the U-shaped plate, so that the volume of the environmental protection bookcase can be changed, and more books can be placed. The problem of taking up too much space.

An installing assembly provided with a radiator fan and applied to an LED display device comprises a rail beam (12), a lower idler wheel (13), an upper idler wheel (14), an LED display device installing and connecting part (261) and a driving box (27). The rail beam is fixed to a building (1201), extends outwards in a cantilever manner and is provided with an upper rail groove (120) and a lower rail groove (120); the lower idler wheel and the upper idler wheel can roll in the two rail grooves (120); and the LED display device installing and connecting part and the driving box are respectively connected to the two sides of the lower idler wheel (13) and the two sides of the upper idler wheel (14).

The invention relates to a thrombus aspiration catheter system. The thrombus aspiration catheter system comprises an aspirator, a medicine injection device and a four-way tube; the four-way tube consists of a main tube, and an upper branch tube and a lower branch tube which are symmetrically distributed on the main tube; one end of the main tube is connected with a front-section catheter through a front end connecting tube, and the other end of the main tube is connected with a shut-off valve I; the upper branch tube is connected with one end of a back-end catheter I through a shut-off valve II; the other end of the back-end catheter I is connected with the aspirator; the lower branch tube is connected with one end of a back-end catheter II through a shut-off valve III; the other end of the back-end catheter II is connected with the medicine injection device; a center shaft penetrating through the front-section catheter, the front-end connecting tube and the main tube is provided with a metal stirring wire; the near end of the metal stirring wire is provided with a handle I; the far end of the metal stirring wire is provided with a diamond ring. The thrombus aspiration catheter system can implement treatment on thrombus and plaques before aspiration, can also implement aspiration, can also timely inject thrombolytic agents, and is simple in structure and convenient to operate.

The invention provides a sewage treatment environmental-friendly sludge dehydration device and relates to the field of sewage treatment. The sewage treatment device comprises a device body, wherein asupport plate is arranged at the bottom of the device body; an operation panel is arranged on one side of the support plate; a mounting support block is arranged at the other end of the support plate;a material feeding and discharge conveyer belt is arranged on one side of the operation panel; a driving motor is arranged inside the material feeding and discharge conveyer belt; a sewage treatmentcylinder is arranged at the top of the support plate; the sewage treatment cylinder comprises an outer cylinder and an inner cylinder. At present, for most sludge dehydration devices in the market, moisture inside sludge is evaporated by using a heating method; since the sludge contains a great amount of toxic gases and impurities, material feeding and discharge conveyer belt such as internal fireor even explosion can be easily caused inside the devices when heating is implemented, and meanwhile the problem that sludge treatment is not qualified can be caused since the sludge is treated in asingle treatment mode generally; the problem of time and labor consumption is solved as materials are fed and discharged in a mechanical mode.

The invention discloses a mounting component provided with an alarm and used for an LED (Light-emitting Diode) display device (26). The mounting component comprises a rail beam (12), a lower roller (13), an upper roller (14), an LED display device mounting connecting piece (261) and a driving box (27), wherein the rail beam (12) is fixed to a building (1201), stretches out in a cantilever manner, and is provided with two rail grooves (120) formed up and down; the lower roller (13) and the upper roller (14) can roll in the two rail grooves (120) respectively; and the LED display device mounting connecting piece (261) and the driving box (27) are connected with the two sides of the lower roller (13) and the upper roller (14).

The invention discloses an anti-collision device for a ship. The anti-collision device comprises double-acting single piston type oil cylinders and air bag assemblies. The double-acting single pistontype oil cylinders and air bag assemblies are sequentially mounted inside a wall body in an alternate manner. The portion, inside the wall body, of each double-acting single piston type oil cylinder is provided with a rod cavity and a rodless cavity. The end, far away from the wall body, of each double-acting single piston type oil cylinder is fixedly connected with a rubber fender. A first electromagnet is fixedly connected to the surface of the middle of each rubber fender. A laser displacement sensor is arranged on the surface of the middle of each first electromagnet. The portion, inside the wall body, of each air bag assembly is provided with a second electromagnet. A magnet is connected to one end of each second electromagnet in a sliding manner. An air bag is connected to one end ofeach magnet in a communicating manner. According to the anti-collision device for the ship, by means of the double-acting single piston type oil cylinders and the air bag assemblies, economic lossescaused by collision can be avoided, and high application value is achieved.

The invention relates to the field of radio frequency repeater devices, in particular to a protective shell of a radio frequency repeater device with a heat dissipation assembly, which comprises a base, a shell, a heat dissipation structure, an ash removal structure, a moving structure, a limiting structure, a protective structure and a fixed structure, through arrangement of the heat dissipationstructure, heat dissipation work can be fully carried out on electrical elements in the shell, electrical elements in the shell can be prevented from being damaged due to over-high temperature, whilethe heat dissipation structure works, the ash removal structure can be synchronously driven to work, the ash removal structure works, dust cleaning work can be carried out on the heat dissipation structure, the heat dissipation structure is prevented from being blocked by dust, through the arrangement of the moving structure, the moving assembly can be conveniently stretched out and stored, the moving structure can react to the fixing structure while working, through the arrangement of the fixing structure, the base and the ground can be stably fixed, and therefore the situation that the device slides in the working process can be avoided.

The invention discloses a combined type egg beater with a rapid defoaming effect. The combined type egg beater with the rapid defoaming effect comprises an egg beater body, a base and an egg beating mechanism, wherein the base is positioned on one side of the bottom of the egg beater body; a control box is mounted on the top of the egg beater body; a first motor is mounted in the control box; theegg beating mechanism is arranged at the bottom of the control box; the egg beating mechanism comprises a fixed rod and a stirring net head; a defoaming plate is movably mounted in the fixed rod; a liquid inlet is formed in the bottom of the defoaming plate; a filter screen is mounted in the liquid inlet; multiple layers of defoaming cavities are formed in the defoaming plate; a plurality of defoaming openings are formed between each two adjacent defoaming cavities; a plurality of stainless steel pricking needles are arranged in each defoaming opening; a liquid outlet is formed in the top of the defoaming plate; an adjusting cavity is formed in the base; and the inner wall of the bottom of the adjusting cavity is rotatably connected with a positioning rod and a rotating plate separately. The combined type egg beater with the rapid defoaming effect is reasonable in design and convenient to use; defoaming can be implemented rapidly; the purpose of shaking while stirring is achieved; andthe egg beating effect and the using effect of the product are improved effectively.

A damping type installation assembly provided with wheels and used for an LED display device (26) comprises a track beam (12), the lower wheel (13), the upper wheel (14), an LED display device installation connecting piece (261) and a driving box (27). The track beam (12) is fixed to a building (1201), stretches out as a cantilever and is provided with an upper track groove (120) and a lower track groove (120). The lower wheel (13) and the upper wheel (14) can roll in the two track grooves (120) respectively. The LED display device installation connecting piece (261) and the driving box (27) are connected to the two sides of the lower wheel (13) and the upper wheel (14) respectively.

The invention provides a garbage incinerator tube wall cleaning device. The garbage incinerator tube wall cleaning device comprises a furnace tube and a top plate. The top of the furnace tube is movably connected with the top plate, a lead screw motor penetrates through the middle part of the top plate, the inside of the lead screw motor is movably connected with a lead screw, the lower end of thelead screw is fixedly connected with a connecting end piece through bolts, the lower part of the connecting end piece is fixedly connected with a driving motor through bolts, the lower part and the outer side of the driving motor are fixedly connected with driving teeth and a bearing frame separately, and rollers are embedded on the upper part of the bearing frame. According to the garbage incinerator tube wall cleaning device, the surface of the outer edge of a mud scraping plate is in an arc shape, and an opening of a dirt storage cavity is in a lower lower-part and upper high-part shape; as the surface of the outer edge of the mud scraping plate is in an arc shape, the adhesion degree between the outer edge of the mud scraping plate and the inner wall of the furnace tube is higher, sothat the ash on the inner wall of the furnace tube is more convenient to scrape; and meanwhile, the dirt storage cavity with the opening in a lower lower-part and upper high-part shape is more suitable for collecting dust falling by gravity.

The invention relates to a power transmission wire winding repairing tool. The tool comprises a base, a moving platform, a driving device, a supporting device and a winding device. The supporting device is installed on the base and used for supporting a power transmission wire. A lead screw is horizontally installed on the base, the moving platform is movably installed on the base and is in threaded connection with the lead screw, and the driving device drives the winding device and the lead screw to rotateso that the moving platform moves along the lead screw, and meanwhile, the winding device rotates around the power transmission wire to wind and repair the power transmission wire. According to the power transmission wire winding repairing tool, the winding device can be driven by one driving device to act, and meanwhile a function that the winding device feeds in an axial direction of the repaired wire is achieved. And the supporting device is used for supporting the power transmission wire, personnel contact is not needed, a whole winding and repairing process of the power transmission wire is automatically completed, and problems that an existing winder or winding tool is complex in operation, dangerous and high in labor intensity are well solved.

The present invention relates to the technical field of refrigerating equipment, and in particular to a refrigerator door with a left and right door changing function and a refrigerator. The refrigerator door comprises a door body. Shaft grooves for mounting a shaft sleeve are provided in both ends of the top of the door body. A shaft sleeve is disposed in the shaft grooves. A mounting hole is provided in the top of the door body. An embedded box communicating with the mounting hole is disposed in the door body, and a display control panel mounting box assembly is disposed in the embedded box. A cover plate assembly is disposed on the top of the door body with a wire clip provided on the cover plate assembly. A wiring harness is clamped by the wire clip. According to the present invention, the opening direction of the refrigerator door may be set as required with improved side-by-side applicability; when changing the installed opening direction of the door body, convenient adjustment of wire connection direction is achieved, and failure in normal connection of a power supply circuit after the installed opening direction of the for is changed is avoided; the wire harness is not required to extend out of the shaft grooves from inside the liner of the door body with no need to open holes in the shaft grooves; and therefore, the sealing operation is omitted with simplified process.

The invention discloses an electromagnetic control-based mistaken pulling prevention device for an intelligent household appliance, and relates to the technical field of intelligent household appliances. The device comprises a USB socket; an electromagnet is fixedly connected to the inner wall of the left side of the USB socket; a first spring is fixedly connected to the inner wall of the USB socket and close to the right side of the electromagnet; a clamping block movably connected with the inner wall of the USB socket is fixedly connected to the right side of the first spring; a first magnetic block is fixedly connected to the middle of the clamping block; a resistor electrically connected with the electromagnet is fixedly connected to the inner wall of the USB socket; and a negative plate electrically connected with the resistor is fixedly connected to the inner wall of the top of the USB socket. According to the electromagnetic control-based mistaken pulling prevention device for the intelligent household appliance, through the cooperative use of the clamping block and the clamping groove, when the USB plug is plugged into the USB socket, the clamping block can pop up to the right side under the magnetic repulsion effect of the electromagnet and the first magnetic block and is clamped with the clamping groove, so that the USB socket and the USB plug are relatively fixed, the effect of preventing mistaken plugging is achieved, and stable operation of the intelligent household electrical appliance is ensured.

The invention provides a sliding reciprocating mechanism open-close type ceiling. The sliding reciprocating mechanism open-close type ceiling comprises a frame which is enclosed on the periphery, twoceiling blocks which are spliced in a manner of opening oppositely, and a transmission mechanism which is mounted above the ceiling blocks; the transmission mechanism comprises a motor, a belt transmission assembly, a transmission component, a sliding component, connecting rods, linear guide rails, sliding blocks and swinging rods; the belt transmission assembly is vertically mounted above the corresponding ceiling block and is positioned in the middle of the front side and the rear side of the frame; the belt transmission assembly comprises two belt wheels and a transmission belt which is connected with the two belt wheels in a bypassing manner; the connecting end of the transmission component is connected with the transmission belt; the sliding component is connected to the upper part ofthe middle of the front side and the rear side of the frame; the middle of the sliding component is connected with the transmission component; the upper ends of the connecting rods are hinged to a connecting arm; the lower ends of the connecting rods are hinged to the ceiling blocks; the linear guide rails are connected with the sliding blocks in a sliding manner; and the two swinging rods whichare arranged in parallel are mounted on each sliding block. According to the sliding reciprocating mechanism open-close type ceiling, the ceiling blocks are automatically and reciprocally opened and closed.

The invention belongs to the technical field of chip detection equipment, and particularly relates to integrated circuit chip detection equipment and a detection method.The integrated circuit chip detection equipment comprises a support, a lifting base is slidably connected to the inner side wall of the support, the lifting base is of a hollow structure, an air cylinder is installed on the support, and the output end of the air cylinder is fixedly connected with the lifting base; a pressing plate is slidably connected to the inner wall of the lifting seat, a probe is installed on the lower surface of the pressing plate, the pressing plate is connected with the inner top face of the lifting seat through a first spring, a through hole matched with the probe is formed in the bottom of the lifting seat, and a sleeve coaxial with the through hole is fixedly connected into the through hole in a penetrating mode. The probe can be well protected, dust and scraps generated in the detection process are prevented from being attached to the surface of the probe, in the continuous detection process, the surface of the probe can be cleaned through bristles, good contact between the probe and a pin is further guaranteed, and the detection effect is guaranteed.

The invention discloses a surveying and mapping device for engineering based on an unmanned aerial vehicle. The surveying and mapping device comprises the unmanned aerial vehicle and a protection mechanism, wherein the protection mechanism is mounted at the bottom surface of the unmanned aerial vehicle; an inclined surveying and mapping camera is mounted on one side of the bottom of an inner cavity of the protection mechanism; a supporting plate is mounted on the top surface of the inclined surveying and mapping camera; a plurality of shock-absorbing frame mechanisms are specifically mounted on two sides of the top surface of the supporting plate; and connecting plates are mounted on the top surfaces of the shock-absorbing frame mechanisms. The surveying and mapping device for engineeringbased on the unmanned aerial vehicle can protect internal equipment such as the inclined surveying and mapping camera, the shock-absorbing frame mechanisms, lifting mechanisms and the like through theprotection mechanism. A driving mechanism can drive the lifting and lowering of the lifting mechanisms. Meanwhile, a position-limiting mechanism also ensures that the lifting and lowering of the lifting mechanism can be more stable. The shock-absorbing frame mechanisms can also reduce external vibration so as to avoid damage to the inclined surveying and mapping camera. The engineering environment can be measured and recorded through the inclined surveying and mapping camera.

Provided is an adhesive film with a dicing sheet (1), wherein the adhesive film (12) is laminated on top of a dicing film (11), which has excellent reliability and is readily capable of tip protrusion (tongue protrusion) of a cover film (2) while maintaining a function for suppressing the formation of transfer marks when a film (10) for a semiconductor device, wherein the adhesive film with the dicing sheet is laminated at prescribed intervals on the cover film, is wound into a roll. The film for a semiconductor device of the present invention is a film for a semiconductor device wherein the adhesive film with a dicing sheet, which is the adhesive film laminated on top of a dicing film, is laminated to the cover film at prescribed intervals, and said film for a semiconductor device has an Ea / Eb ratio between the tensile storage modulus (Ea) for the dicing film at 23 DEG C and the tensile storage modulus (Eb) for the cover film at 23 DEG C of 0.001-100.

The invention discloses a measuring instrument positioning device suitable for high-altitude occasions. The measuring instrument positioning device comprises a guide rail, a groove type mounting rail, positioning plates, a rail locking mechanism and two positioning supports. The groove type mounting rail is connected with the guide rail through the rail locking mechanism in a fastening mode. Each positioning support comprises a support body, a positioning guide block and a fastening rotary knob. One end of each positioning guide block forms a limiting end arranged in the guide rail, the part, arranged outside the guide rail, of each positioning guide block forms an external thread, the threaded section of each positioning guide block penetrates through the corresponding support body, each fastening rotary knob is arranged on the corresponding positioning guide block in a sleeving mode and compresses the corresponding support body to be tightly attached to the guide rail, and the support bodies of the two positioning supports are each connected with one positioning plate. When the measuring instrument positioning device is used for emergently fixing a measuring instrument for tall buildings, high-altitude flight platforms, field scientific investigation and the like, operation is convenient and fast, time and labor are saved, working efficiency can be improved, and testing precision and reliability can be improved when the measuring instrument positioning device is used for positioning a heat transfer coefficient testing instrument for high-rise buildings.

The invention discloses a safety protection device of a mining belt conveyor capable of preventing ore from falling. The device comprises a rack, a fixing frame and an inner baffle; and fixing seats are arranged on two sides of the upper portion of the rack, rotating shafts are connected in the fixing seats, a belt is connected to the outer side of a rotating wheel, bulges are arranged on the surface of the belt, supports are fixed to the position, close to the two sides of the belt, of the upper surface of the rack, the fixing frame is arranged at the edge positions of the two sides of the rack, a first connecting seat is mounted at the top of the fixing frame, and the inner baffle is arranged on the inner side of a protective plate. According to the safety protection device of the miningbelt conveyor capable of preventing the ore from falling, the protective plate is arranged, ore rolls to two sides of the belt in the section where the ore conveyed by the belt conveyor is not stable, the rolling ore is blocked by the protective plate due to the fact that the protective plate mounted on one side of the fixing frame abuts against the side edge of the belt, and therefore the ore isprevented from falling off from the two sides of the belt.

The invention discloses a cleaning device for high-floor glass curtain wall. The device includes a support rod, A handle connecting plate is fixedly connected to one side of that support rod. A handleis fixedly connected to the other side of the support bar, A non-slip rub pad is sleeved on the handle, As that use handle is arrange, As that device is more convenient to use, As that handle connecting rod is provided, As that device can be conveniently protrude out of the window, 2 fix sleeve rod is driven to move up and down by opening first servo motor, the glass curtain wall is cleaned by using a cleaning brush, the waste water generated by cleaning falls on the absorbent cloth of the waste water collecting tank, After absorbing a certain amount of water and dust on the absorbent cloth,the second servo motor is turned on, and the water on the absorbent cloth is extruded through the inner rod, so that the glass curtain wall can be cleaned conveniently enough, and the waste water generated after the cleaning is collected, so as to avoid the waste water falling to affect the lower layer users.

The invention discloses an automatic mechanical clock winding device, which comprises a mainspring shaft gear arranged in a clock body, a temperature-sensitive memory metal bar which can sense temperature changes and stretch or reduce in accordance and is arranged in the clock body, and a unidirectional pushing device which forces the mainspring shaft gear to rotate in one direction and is arranged between the temperature-sensitive memory metal bar and the mainspring shaft gear. The device of the invention can not only be applicable to automatic winding of mechanical clocks in working state but also be applicable to automatic winding of mechanical clocks in idle state.

The invention discloses a guide rail type movable switch cabinet partial discharge online monitoring sensor, belongs to the field of switch cabinet partial discharge online monitoring devices. The guide rail type movable switch cabinet partial discharge online monitoring sensor comprises a switch cabinet, a monitoring device, a first operation device and a second operation device, wherein cabinetdoors are mounted on the switch cabinet; a through opening is formed in each cabinet door; a handle is arranged on each cabinet door; clamping strip plates are connected to the switch cabinet; the first operation device comprises a first guide rail and a second guide rail, wherein the first guide rail and the second guide rail are connected with clamping strip grooves respectively; screw holes areformed in the clamping strip grooves, and the screw holes are connected with screws; a motor power supply box is mounted on the first guide rail; rail groove openings are formed in the first guide rail and the second guide rail respectively; a connecting rod runs through the rail groove openings; the second operation device is mounted on the connecting rod; and the second operation device is provided with the monitoring device. The guide rail type movable switch cabinet partial discharge online monitoring sensor is simple in structure and convenient to mount and dismount, and an effect that the guide rail type movable switch cabinet partial discharge online monitoring sensor can rapidly and conveniently carry out partial measurement work is achieved.

The invention discloses a municipal road well cover with stable installation and anti-theft function, which comprises a cover body, a bearing plate and an installation frame, wherein a groove is reserved in the cover body, a linkage plate is arranged on the inner side of the groove, the linkage plate is positioned on the inner side of the groove, the linkage plate connect with the cover body through the groove, an insertion rod is arranged above the linkage plate, a insertion hole is arranged on the insertion rod, and a locking device is arranged above the driving plate; the locking device ispositioned at the inner side of the mounting groove; and the mounting frame is positioned at the outer side of the cover body, and the mounting frame is provided with a limiting hole, and the mountingframe is connected with the cover body through the limiting hole and the locking device. The municipal road well cover with stable installation and anti-theft function is convenient for the cover body to be stably installed at the inner side of the installation frame through the locking device, the cover body can be opened only by using the insertion rod, the protection capability of the cover body is improved, the cover body is prevented from being easily stolen by people, and the cover body can be prevented from being ejected from the wellhead by the rising water level.