148 results about "Maintaining equipment" patented technology

The utility model relates to the technical field of road maintenance equipment, and discloses an asphalt pavement crack and pit slot repairing device which comprises a stirring tank, the upper surface of the stirring tank fixedly communicates with a connecting pipe, and the outer surface of the stirring tank is fixedly connected with a fixing frame. According to the asphalt pavement crack and pit slot repairing device, by arranging the conveying pipe, the glass fiber filter plate, the polyester fiber filter plate and other parts, when asphalt is heated and stirred, generated waste gas is extracted under the cooperation of the draught fan and the connecting pipe, conveyed through the conveying pipe till entering the shell and filtered through the glass fiber filter plate and the polyester fiber filter plate, and the asphalt pavement crack and pit slot repairing device is obtained. Harmful gas generated during asphalt stirring can be filtered and purified and then discharged, harm to the surrounding environment and the health of constructors is reduced, a threaded rod is connected with a threaded barrel, the threaded rod descends, then a mounting frame drives a grinding roller to descend, the grinding roller makes contact with the ground, and the grinding roller is prevented from being damaged. And the filled asphalt can be compacted and flattened.

The invention relates to the technical field of pressure maintaining equipment, and discloses full-automatic pressure maintaining equipment for decorative rings, a feeding mechanism comprises a feeding conveying module and a product discharging seat arranged at the output end of the feeding conveying module, and the feeding mechanism is used for conveying and feeding products; the pressure maintaining jig is used for maintaining the pressure of the product; the pressure maintaining device comprises a pressure maintaining stock bin, a backflow conveying line connected to the feeding end of the pressure maintaining stock bin and a pressure maintaining discharging and conveying module connected to the discharging end of the conveying pressure maintaining stock bin, and a plurality of pressure maintaining jigs are arranged in the pressure maintaining stock bin and used for achieving backflow of the pressure maintaining jigs after standing and pressure maintaining are conducted on products; the cover installing and taking device is arranged between the pressure maintaining device and the feeding mechanism and used for installing a product into the pressure maintaining jig; and the material taking manipulator is used for realizing turnover material taking and placing among the feeding mechanism, the cover mounting and taking device and the pressure maintaining device.

The utility model relates to the technical field of pressure maintaining equipment. The utility model relates to a fingerprint module bending pressure maintaining device, in particular to a fingerprint module bending pressure maintaining device which comprises an operation table, a pressure maintaining device and a pressure maintaining device. The upper end of the mounting table is provided with a fixing position used for fixing a bending jig, the mounting table is connected with the horizontal driving mechanism, and the horizontal driving mechanism drives the mounting table to move between a feeding position and a pressure maintaining position; the in-place detection mechanism is arranged on the operation table so as to detect whether the mounting table is located at a feeding position or a pressure maintaining position or not; and the pressing plate is arranged above the pressure maintaining position and is in transmission connection with the vertical driving mechanism. According to the fingerprint module bending and pressure maintaining device, the pressure maintaining pressure and the pressure maintaining time can be accurately controlled, the viscosity of a double-faced adhesive tape can be completely activated when bent steel sheets are bonded by accurately controlling the pressure maintaining pressure and the pressure maintaining time, and the hidden danger that the bonding quality of the steel sheets is loosened is reduced.

The utility model discloses an offshore platform installation and maintenance device which comprises a base, the two sides of the base are fixedly connected with four outer boxes at intervals, the upper ends of the four outer boxes are provided with electric push rods, the output ends of the two electric push rods are fixedly connected with connecting plates, the lower ends of the connecting plates are fixedly connected with first connecting rods, and the lower ends of the first connecting rods are fixedly connected with second connecting rods. Four first connecting rods are arranged on the base, wheels are rotationally connected to the lower ends of the four first connecting rods, a first protective fence is arranged on the base, a storage box is arranged on the inner wall of the first protective fence, three springs are arranged on the surface of the bottom of the storage box, a bottom plate is arranged on the springs, a tool box is arranged on the bottom plate, and a cover is arranged on the storage box. And a handle is arranged on the cover. The maintenance tool box is automatically lifted and popped out through the spring device, a worker can conveniently take tools during maintenance, the wheels are lifted through the electric push rod, when the working platform needs to be transferred, the work platform can be moved by moving the wheels, and the worker can conveniently move the working platform.

The invention discloses a die full life cycle management system based on the Internet of Things, and relates to the technical field of die management, and the die full life cycle management system comprises the steps: obtaining a pre-correlation parameter and a post-correlation parameter of a process in each stage in a die full life cycle, and obtaining a pre-correlation feature and a post-correlation feature; dynamically maintaining equipment in the process based on the real-time parameters; the method is used for solving the problems that in an existing mold full-life-cycle management method, the state of a mold is predicted in a one-sided mode only through collection of single data, and when the process where the mold is located changes and other variables influence the state of the mold, the relation between the single data and the variables cannot be effectively judged, and the mold state cannot be effectively predicted. Therefore, the problem that effective management cannot be performed based on the subsequent state of the mold is solved.

The utility model provides a repair device suitable for a photovoltaic module, and relates to the technical field of maintenance equipment of the photovoltaic module, the repair device suitable for the photovoltaic module comprises a pressurization tool and a heating structure, the pressurization tool comprises a gland, a base and a connecting assembly, the gland and the base are connected through the connecting assembly, and the heating structure is arranged on the gland. A first mounting groove is formed between the gland and the base, the heating structure is embedded in the first mounting groove, and when the first mounting groove is embedded into a frame of the photovoltaic module, the heating structure is attached to the frame. The maintenance cost of transportation and the like can be effectively reduced, and the maintenance efficiency is improved.

The utility model relates to the technical field of mining mechanical equipment maintenance, in particular to hydraulic equipment for mining equipment maintenance, which comprises a base, a maintenance plate is arranged above the base, a hydraulic lifting mechanism is arranged between the base and the maintenance plate, and a protection mechanism is arranged on the outer side of the maintenance plate. The protection mechanism comprises installation cavities, the two installation cavities are formed in the left side and the right side of the maintenance plate, and collection boxes with upper openings are arranged on the inner sides of the installation cavities. Through arrangement of the protection mechanism, when the mining equipment is maintained, dust and sundries falling off from the mining equipment can be collected under the action of through holes and the collection boxes; and dust flying around is adsorbed and filtered under the action of the negative pressure fan, the filter box and the pipeline, so that the dust is prevented from being accumulated on the maintenance equipment or flying into the environment, maintenance is facilitated, and damage to the maintenance equipment is prevented.

The utility model relates to the field of electric power maintenance equipment, and discloses an insulating ladder for electric power circuit maintenance, which comprises two bearing columns, the rear sides of the two bearing columns are fixedly connected with fixing plates, one sides of the two fixing plates close to each other are fixedly connected with a plurality of pedals I, the tops of the front sides of the two bearing columns are fixedly connected with accommodating shells, and the accommodating shells are fixedly connected with the outer sides of the two bearing columns. And sliding assemblies are arranged on the sides, close to each other, of the two containing shells correspondingly, limiting plates are slidably connected into the two containing shells correspondingly, clamping columns are fixedly connected to the front sides of the two limiting plates correspondingly, and springs are arranged in the two containing shells correspondingly. According to the insulating ladder, the height of the insulating ladder can be quickly adjusted, so that a worker can adapt to devices with different heights according to requirements, and the insulating ladder has better flexibility when working at different heights. In addition, the insulating ladder is easy to store and carry due to the folding storage function, and the insulating ladder is more convenient to move to different positions when a worker needs to move to the different positions.

The invention belongs to the technical field of automobile maintenance equipment, particularly relates to a vehicle-mounted mobile automobile maintenance station and a use method thereof, and provides the following scheme aiming at the problems that existing maintenance instruments are difficult to carry, cannot normally carry out maintenance work in rainy and snowy weather and are easily affected with damp in a compartment. The device comprises a compartment fixedly installed on the top of an automobile hopper through bolts, a containing plate and a sliding plate are slidably connected into the compartment, the containing plate is located above the sliding plate, a plurality of pulleys are arranged at the bottom of the containing plate, and the pulleys make contact with the top of the sliding plate. Through cooperation of an L-shaped rotating turning plate and a rain baffle, a maintainer can conduct maintenance normally in rainy and snowy days, carrying of the jacking structure can be easily completed through a control structure, the maintenance efficiency of the maintainer is improved, the maintainer is prevented from being injured in the carrying process, and the maintenance cost is reduced. In addition, the jacking structure not only can jack the automobile, but also can be matched with the tire dismounting structure to dismount the tire.

The invention relates to the technical field of high-end equipment maintenance, and provides a slice integrated maintenance path planning method and device based on a three-dimensional assembly model in order to solve the problems of easy collision, poor accessibility, low efficiency and insufficient refinement of path planning in three-dimensional assembly maintenance. The method comprises the following steps: acquiring point cloud data of a three-dimensional assembly model of to-be-maintained equipment; automatically identifying a to-be-maintained area by using an area expansion algorithm; generating a two-dimensional slice sequence containing the contour of the to-be-maintained area by adopting an adaptive layering algorithm, and constructing a maintenance accessibility scoring matrix; and realizing maintenance path planning through a cross-layer ant colony optimization algorithm based on the accessibility scoring matrix as a path planning environment. According to the method, maintenance constraint is carried out through precise recognition of a maintenance area and self-adaptive layering, and finally global optimization is carried out by using a cross-layer ant colony optimization algorithm, so that a collision-free, high-accessibility, smooth and continuous three-dimensional maintenance path is finely, efficiently and automatically generated.

An unstringing structure for archery devices is installed in a control housing in conjunction with a safety module and a trigger module of an archery device. The unstringing structure includes a control member that partially extends through an opening in the control housing and retracts into an internal containing chamber of the control housing. It incorporates a push rod member with a clamping portion and a pushing portion, along with two elastic members strategically positioned between components. The unstringing structure safely releases bowstring tension through a controlled mechanism. When the control member is pressed relative to the control housing, it simultaneously disengages both the safety module and the trigger module relative to the bowstring, allowing for controlled, gradual movement of the bowstring to its unstrung position. The unstringing structure prioritizes user safety while maintaining equipment longevity.

A kind of granulator mobile device relates to the technical field of granulator.To solve the problem that the operation space of existing granulator equipment is limited, resulting in very inconvenient maintenance.The utility model discloses a base, slide rail, transfer platform and driving device, slide rail is fixedly installed on base, specifically can be connected by the mode of welding, transfer platform is movably installed on slide rail, and the moving mode has rolling, sliding and the like, equipment body is fixedly installed on transfer platform, equipment body can be installed on transfer platform by bolt, driving device is connected with transfer platform, when needing to maintain equipment body, transfer platform and equipment body are moved from working position to maintenance position by driving device, the space of maintenance position is larger, and the maintenance of equipment body is more convenient, and the whole process does not need manual operation, reduces security risk, and maintenance efficiency is higher.

This invention provides a spring-energy-storage type oil pumping unit, belonging to the technical field of oil pumping units. It includes a base, with a drive unit and a protective shell fixedly connected to the top of the base. An arc-shaped shell is fixedly connected to the top of the protective shell. An energy storage component is housed inside the protective shell to reduce the load on the drive unit and decrease energy consumption. The energy storage component includes an upper top plate that slides and snaps into the inside of the top of the protective shell, and a baffle plate is fixedly connected to the inside of the top of the protective shell. By incorporating the energy storage component, this invention utilizes the compression and release of the energy storage spring to store and release some energy, thereby reducing the load on the drive unit and lowering energy consumption. Simultaneously, the anti-slip component effectively prevents the counterweight box from breaking or falling out of control, thus avoiding damage to the equipment and increasing maintenance costs, while further improving the reliability of the system operation.

The utility model provides an efficient glass fiber plate cutting and forming integrated device, belongs to the technical field of glass fiber plate processing, and aims to solve the problems that in the actual use process of an existing efficient glass fiber plate cutting and forming integrated device, due to the fact that a cutting blade is directly exposed, when a worker operates or maintains equipment, the cutting blade is close to a blade area, and the working efficiency is high. The cutter comprises a forming assembly, the forming assembly is fixedly installed at the front end of a machine body, and the forming assembly is fixedly installed at the rear end of the machine body. The supporting frame is fixedly installed on the lower end face of the machine body. The two sets of fixing plates are fixedly connected to the upper end face of the machine body. The number of the driving motors is two, and the two driving motors are fixedly installed on the lower end face of the machine body. The forming cutting base is fixedly installed on the upper end face of the machine body. According to the utility model, the protection for workers is realized, and the operation safety is improved.

The application provides a plastic structure mold for preventing plastic sticking, relates to the technical field of plastic structure molds, and comprises a mechanical structure system, a hardware execution system and an intelligent control system. The mechanical structure system comprises a bottom plate, a guide rod, a lower mold and a mold sticking prevention mechanism, the lower mold is provided with a mold groove and an air pipe connector, the hardware execution system comprises a driving motor, an air pipe electromagnetic valve, a hydraulic cylinder and various sensors, and the intelligent control system comprises a mold sticking prevention intelligent control, a mold closing buffer control and a sensor adjustment and calibration module. The mold sticking prevention mechanism and airflow are cooperated to break the dependence on a release agent, and the product oil stain problem is solved. The intelligent module dynamically regulates and controls airflow parameters and mold closing states, reduces forming defects and improves efficiency. The sensor adjustment and calibration guarantee reliable data, maintain equipment stability, effectively solve the problems of mold sticking, low production efficiency and equipment damage of existing molds, and improve production stability and product quality.

The present invention relates to the technical field of fluid coupling maintenance equipment. Disclosed is a puller for fluid coupling maintenance, comprising a hydraulic cylinder and a connecting sleeve. A screw rod is threadedly mounted inside the hydraulic cylinder. The connecting sleeve is sleeved on the outside of the screw rod. A threaded sleeve is provided inside the connecting sleeve. The threaded sleeve extends outwards from an end portion of the connecting sleeve away from the hydraulic cylinder, and the threaded sleeve is detachably connected to the connecting sleeve. An end portion of the screw rod proximal to the connecting sleeve is movably inserted into the threaded sleeve. An ejector rod having an adjustable length is disposed on the end portion of the screw rod inserted into the threaded sleeve. The ejector rod is arranged to extend out of the threaded sleeve. In the present invention, the connecting sleeve and the threaded sleeve are detachably connected, such that the threaded sleeve can be easily replaced when threads on the threaded sleeve are damaged. The screw rod is provided with an ejector rod having an adjustable length, so as to adapt to disassembly of different models of fluid couplings. The invention provides the advantages of reduced usage costs, ease of use, and improved disassembly efficiency.

The application provides a kind of pressure maintaining equipment, including mounting frame, down pressure component and mould pressing component, mounting frame includes base, top plate and two support columns spaced apart from each other between base and top plate;Down pressure component includes the connecting frame on the top plate, the first driving member connected to the connecting frame and the down pressure component connected to the first driving member;Mould pressing component includes separable connection upper die and lower die, upper die includes fixed plate connected with down pressure component, pressing plate connected to fixed plate, pressing piece connected to pressing plate, second driving member connected to top plate and pressure head through pressing plate and elastically connected to second driving member, pressure head is higher than pressing piece;Lower die is provided on the base, and the lower die includes a carrier plate and a carrier provided on the carrier plate.The application solves the problem that the existing pressure maintaining equipment uses different pressure maintaining pressure and pressure maintaining time for multiple positions of the product, which easily leads to low pressure maintaining efficiency, high pressure maintaining cost and poor pressure maintaining effect.

The invention relates to the technical field of hoisting equipment, and discloses a hoisting tool and an assembling method thereof. The lifting tool comprises a stand column, a first lifting arm, a balance arm, a second lifting arm and a traction device. The stand column is detachably installed on to-be-maintained equipment located in the air in the preset direction, and the stand column is sequentially provided with a first installation structure and a second installation structure in the preset direction. One end of the first lifting arm is detachably connected with the first mounting structure, the other end of the first lifting arm is far away from the stand column, and the first lifting arm is provided with a movable lifting device. One end of the balance arm is detachably connected with the first mounting structure and is far away from one end of the first suspension arm, the other end of the balance arm is far away from the stand column, and the balance arm is provided with a movable counterweight device. The second suspension arm is connected with the second installation structure and provided with a movable sliding piece. According to the hoisting tool and the assembling method thereof, hoisting and transferring of parts can be facilitated during maintenance of the wind power equipment.

The invention relates to the technical field of railway vehicle maintenance equipment, in particular to a railway automatic dumping car hinge pin replacement device and an implementation method. According to the technical scheme, the railway self-dumping car hinge pin replacing device comprises a moving trolley, rollers are arranged at the four corners of the bottom face of the moving trolley, an anti-sliding block is arranged at the front end of the bottom face of the moving trolley, an electric push rod is arranged in the anti-sliding block, and a fixing block is arranged on the surface of the moving trolley; a movable trolley, a lifting platform, a hydraulic system and an electric control cabinet are integrated, the movable trolley carries the lifting platform, a stand column is welded to the middle of the platform, a second jack is arranged on one side of the stand column to abut against the outer edge of a hinge of the self-dumping car, and a first jack is arranged on the other side of the stand column to abut against a roller of the self-dumping car, so that a longitudinal and transverse bidirectional supporting structure is formed. The brackets are located on the two sides of the second jack and can directly hook the position of a hinge fixing ring of the automatic dumping car after being welded to the stand column, and the hinge is effectively prevented from falling off or shifting.

The utility model relates to electric power maintenance equipment technical field especially is a deformable electric power maintenance ladder structure, including the ladder seat, the inside installation of ladder seat has the side ladder pole, the outer wall of side ladder pole is installed with the adjusting ladder, the ladder seat, side ladder pole and adjusting ladder are provided with two groups, two groups the ladder seat, side ladder pole and adjusting ladder symmetrically set up, two adjusting ladders are movably connected between, the inside rotation connection of side ladder pole has screw bolt no. The utility model, rotates screw bolt no.

This utility model relates to the field of high-pressure forming technology for sheet metal processing, and discloses a high-pressure forming device for inorganic composite sheet metal processing. It includes a hot-press forming mechanism, a conveyor belt at the front end of the hot-press forming mechanism, a thickness-adaptive anti-warping component at the top of the conveyor belt, a vertical plate fixedly connected to the top of the conveyor belt, a collection box at the bottom of the notch in the base plate of the hot-press forming mechanism, a limit mechanism on the outer wall of the vertical plate, and a scraping and cleaning component at the bottom of the hot-press forming mechanism, including a scraper. In this utility model, the scraper is automatically pushed by the leading edge of the sheet metal to scrape away debris and adhesive from the base plate. A spring ensures the scraper remains in effective contact, ensuring thorough cleaning. Waste material falls directly into the collection box below, achieving immediate centralized processing, maintaining equipment cleanliness, reducing manual labor frequency, and preventing impurities from affecting the flatness and stability of subsequent sheet metal placement.

The utility model discloses a miniaturized portable gas chromatograph-mass spectrometer, which comprises an equipment main body and a protective box outside the equipment main body, the protective box is mounted outside the equipment main body in a covering manner, and a radiator is arranged at the bottom of the inner side of the protective box; according to the utility model, the equipment main body is arranged on the radiator arranged in the protection box and is limited by the support strips and the barrier strips which are arranged on the radiator in pairs, so that the stability of the equipment main body in the protection box is maintained, and the protection box can be used as a protection structure for isolating the equipment main body from the outside in the carrying and using stages of the equipment main body; the device body is prevented from being in direct contact with the ground or being completely exposed in the external environment, the two shoulder straps symmetrically installed on the protection box are easily worn by a detector, and the fatigue problem caused by long-time hand lifting due to the fact that the weight of the device body is large is avoided; and the detection probe is easy to store and extend out for detection.

The utility model discloses an insulation platform protection structure which comprises an insulation platform and a support, an in-out assembly is installed on the insulation platform, the in-out assembly comprises a protection frame and a door plate, a locking assembly is installed on the door plate, the locking assembly comprises an electromagnet and a plug pin, a control assembly is installed at the bottom of the insulation platform, and the control assembly is connected with the protection frame. The control assembly comprises a bottom plate and a button, the bottom plate is provided with a movable assembly, the movable assembly comprises a second spring and a guide rod, according to the insulation platform protection structure, the motor can drive the prism to move downwards through the lead screw, the height of the movable rod and the height of the prism are reduced, and therefore personnel can conveniently install and maintain equipment on one side; and after the insulating platform moves upwards, the button is disconnected, so that the electromagnet is in an open circuit state, the situation that the door plate is opened when the insulating platform is in the high altitude is avoided, the protection safety of the personnel is guaranteed, and the insulating platform is suitable for maintenance work of high-altitude power equipment.

The utility model relates to the technical field of product assembly, and particularly discloses a product pressure maintaining assembly device, in the product pressure maintaining assembly device, a first transmission assembly is used for transmitting a first carrier, and the first carrier is used for bearing a first workpiece and a pressure maintaining piece; the pressure maintaining piece is provided with a first connecting part; the transferring assembly comprises a picking piece, and the picking piece is provided with a first picking part capable of picking the pressure maintaining piece and a second picking part capable of picking the first workpiece. The second conveying assembly is used for conveying a second carrier, and the second carrier is used for bearing a second workpiece; the first carrier is provided with a first connecting part, the second carrier is provided with a second connecting part, the picking part can move between the first conveying assembly and the second conveying assembly, the pressure maintaining part and the second carrier can be detachably connected with the first connecting part through the second connecting part, and the first workpiece and the second workpiece can be ballasted when the pressure maintaining part and the second carrier are connected. By means of the arrangement, the second carrier, the pressure maintaining piece, the first workpiece and the second workpiece can be transferred out together, the situation that the assembling position is occupied is avoided, and therefore the assembling efficiency is improved.

This utility model discloses a mine roadway lifting vehicle, belonging to the technical field of coal mine roadway maintenance equipment. It includes a frame, a lifting structure mounted on the frame, and a support mounted on the lifting structure. The lifting structure includes a fixed plate mounted on the frame, a support cylinder mounted on the fixed plate, and a lower pulley rotatably mounted on the fixed plate. A lifting inner rod is slidably mounted inside the support cylinder. A mounting frame is mounted on the upper outer wall of the support cylinder, and an upper pulley and a pneumatic hoist are rotatably mounted on the mounting frame. A vertical strip-shaped opening is provided on one side of the support cylinder. A fixing ring is fixedly connected to the lower end of the lifting inner rod within the strip-shaped opening. One end of a steel wire rope is attached to the fixing ring, and the other end of the steel wire rope passes through the upper pulley and the lower pulley in sequence before being connected to the pneumatic hoist. The advantage of this utility model is improved safety.

The utility model discloses a pressure maintaining device, which relates to the technical field of screen pressure maintaining and comprises a pressure maintaining support, a pressure maintaining driving device is assembled on the pressure maintaining support, the pressure maintaining driving device can act on a pressure maintaining plate and provide pressure for the pressure maintaining plate, and a reset guide structure is connected between the pressure maintaining plate and the pressure maintaining support. The pressure maintaining driving device can drive the pressure maintaining plate to press downwards relative to the pressure maintaining support, and the reset guiding structure can drive the pressure maintaining plate to reset in the non-pressure state. The utility model provides a pressure maintaining driving device and aims to solve the problems that the existing pneumatic pressure-maintained equipment is non-uniform in pressure, cannot adapt to an inclined pressure maintaining surface, is complex to operate, is easy to damage and the like in the process of gluing square-shaped glue on a display screen of a fluorescent quantitative PCR (Polymerase Chain Reaction) instrument. By means of the pressure maintaining support, the pressure maintaining driving device and the pressure maintaining device of the reset guiding structure, it is guaranteed that the square-shaped glue is evenly pressed, the damage risk is reduced, and efficient and reliable display screen attaching is achieved.

To provide a system, method, and program for maintaining a facility.SOLUTION: A system includes a database connection unit that accesses a database which stores plural sets of abnormality information on an abnormality occurring in a facility and a work result of coping with the abnormality, a report acquisition unit that acquires a report containing the abnormality information on the abnormality occurring in the facility, a work plan acquisition unit that acquires a work plan for coping with the abnormality in the report, a selection unit that selects at least one set from among the plural sets on the basis of a degree of similarity between the abnormality information in the report and abnormality information included in each of the plural sets stored in the database, a work plan evaluation unit that evaluates the work plan on the basis of a difference between the work plan and the work result in at least one set selected by the selection unit, and an evaluation result output unit that outputs information dependent on a result of evaluation performed by the work plan evaluation unit.SELECTED DRAWING: Figure 1

The utility model belongs to the technical field of safety auxiliary devices for steelmaking, and particularly discloses a safety device for an iron adding opening of a tank pouring station, which comprises a support and a protective plate, a servo electric cylinder is fixedly connected onto the support, a first hinge piece is arranged on a telescopic rod of the servo electric cylinder, a first connecting block is fixedly connected onto the first hinge piece, and a second connecting block is fixedly connected onto the second connecting block. A second hinge piece is arranged at one end of the first connecting block, a plurality of second connecting blocks are fixedly connected to the first connecting block, each second connecting block is fixedly connected with the protection plate, and the support is located on one side of the iron adding opening. The potential safety hazard that people fall off exists in an iron pouring opening of an existing tank pouring station. According to the utility model, the support is placed on the open space on one side of the iron mixing port, the telescopic rod of the servo electric cylinder drives the protective plate to move towards the iron mixing port and simultaneously rotates the protective plate until the protective plate completely covers the iron mixing port, and the protective plate is additionally arranged above the iron mixing port to cover the iron mixing port. Therefore, when an operator maintains equipment above the iron mixing opening or cleans accumulated slag around the iron mixing opening, the operator cannot fall into the iron mixing opening due to factors such as foot loss and the like.

The present application relates to the technical field of road surface repairing machinery, in particular to a cement road surface repairing device, which comprises a rubber wheel type moving trolley, a movable vehicle body rotatably arranged on the rubber wheel type moving trolley, a transverse guide rail assembly arranged on the vehicle body, a vertical lifting driving mechanism arranged on the transverse guide rail assembly, a supporting and mounting mechanism arranged on the vertical lifting driving mechanism, and a smoothing plate arranged on the supporting and mounting mechanism; the smoothing plate is elastic, wherein the smoothing plate can be installed in a plastic shape through the supporting and mounting mechanism to adapt to the cement road surface slope, the bending radius and bending position of the smoothing plate can be adjusted through the supporting and mounting mechanism, the smoothing plate is deformed into a suitable shape under stress, the repairing work of the cement road surface slope and the cement road surface joint can be adapted, the work of the smoothing plate under the structural environment of different cement roads is not hindered, and the smoothing work is in place.