188results about How to "Avoid cuts" patented technology

The utility model relates to the field of mechanical manufacturing, and discloses a strip steel stamping device for hose clamp production, which comprises a stamping platform, hose clamp stamping equipment is fixedly arranged at the top of the stamping platform, a micro motor is fixedly mounted on one side of the hose clamp stamping equipment, and two groups of side plates are fixedly arranged on one side, corresponding to the hose clamp stamping equipment, of the top of the stamping platform. A plurality of sets of supporting rollers distributed at equal intervals are rotationally installed between the two sets of side plates, a driving motor is fixedly installed at the top of the stamping platform, and hose clamp pieces are arranged on the stamping platform. Therefore, the two sets of grinding discs rotate and grind the two sides of the hose clamp piece when rotating along with the two sets of rotating shafts, burrs on the two sides of the hose clamp piece are eliminated, the personal safety of operators is protected, potential safety hazards are reduced, and the product quality of the hose clamp piece is improved.

The invention relates to the technical field of resistance wire processing, and discloses a wire cutting device for resistance wire processing, the wire cutting device comprises a base and a resistance wire body, the upper surface of the base is fixedly connected with a second mounting rack and a third mounting rack which are horizontally distributed, and the second mounting rack and the third mounting rack are fixed; a first mounting frame is fixedly connected to the position, located on one side of the third mounting frame, of the upper surface of the base, a correcting assembly for straightening the resistance wire body is arranged on one side of the second mounting frame, and a conveying assembly for conveying the resistance wire body is arranged on one side of the second mounting frame. According to the wire cutting device, a worker does not need to manually adjust the resistance wire, the hands of the worker are prevented from being cut by a cutter, the use safety of the wire cutting device is improved, the worker does not need to manually straighten the resistance wire, the use convenience of the wire cutting device is improved, the worker does not need to manually collect the resistance wire, and the labor intensity of the worker is reduced. The time is saved, and the resistance wire cutting efficiency is improved.

The utility model discloses a navel orange planting grafting device which comprises a main body shell, a cutter groove is formed in the main body shell, a blade is arranged in the cutter groove, a fixing shaft is rotationally arranged in the main body shell, a pressing rod and a sliding rod are fixedly connected to the fixing shaft, one end of the pressing rod is connected with the fixing shaft, and the other end of the pressing rod is fixedly connected with a pressing block. One end of the sliding rod is connected with the fixing shaft, a sliding groove is formed in the other end of the sliding rod, a pushing column is slidably arranged in the main body shell, one end of the pushing column penetrates out of the main body shell, a pushing rod is arranged at the other end of the pushing column, the pushing rod penetrates through the sliding groove and is slidably connected with the sliding groove, and springs are arranged on the two sides of the blade. By arranging the blade and the cutter groove, the blade retracts into the cutter groove to prevent cutting when not in use, the blade is pushed out of the cutter groove to cut when in use, and when an object needs to be cut off, the object can be clamped into the limiting frame and supported by the limiting frame.

The invention discloses water treatment equipment and method based on MS glue production, and relates to the technical field of wastewater treatment.The water treatment equipment comprises a machine body, a plurality of flocculation tanks arranged in the machine body and a plurality of column feet installed at the bottom of the machine body, and further comprises a batch injection mechanism and a water treatment mechanism, a water inlet pipe and a dosing pipe are sequentially mounted in the fixed plate along an annular track; the multi-stage flocculation mechanism comprises a main shaft rotationally connected to the interior of the flocculation tank, a plurality of stirring assemblies mounted outside the main shaft and an adjusting assembly mounted in the main shaft; the blades are adjusted to be in an inclined state, so that wastewater and a flocculating agent can be rapidly mixed, in a flocculating constituent growth stage, the blades are adjusted to be in a vertical state, and the wastewater is stirred at a low speed through the combined blades, so that shearing of the flocculating constituent can be avoided, dispersion of the flocculating agent in the wastewater can be kept, and growth of the flocculating constituent in the wastewater can be promoted.

The utility model relates to the technical field of laser cutting heads, and provides a laser cutting head which comprises a laser head, the laser head is fixedly installed at the outlet end of a lens device, a laser channel is formed in the inner side of the laser head, a protective gas distribution mechanism is arranged on the inner side of the laser channel, and the protective gas distribution mechanism comprises an inner shell concentric with the laser head. The inner shell is located at one end of the laser channel, a gas inlet piece used for guiding protective gas into the inner shell is arranged on the outer side of the inner shell, and a gas guiding piece used for guiding the protective gas out of the inner shell is arranged at one end of the inner shell. The protective gas can be guided out of the laser head in parallel with the laser beam through the gas guide piece, and the problem that in the prior art, the protective gas is guided in the direction perpendicular to the laser beam, interference is caused to the laser beam, and workpiece cutting is affected is solved.

The utility model relates to the technical field of fruit tree pruning, in particular to a fruit tree pruning machine which comprises a sleeve shell and branches, clamping plates are fixedly installed on the upper side and the lower side of one end of an opening of the sleeve shell, a rotating shaft is installed between the clamping plates on the upper side and the lower side in an inserted mode, and the upper end and the lower end of the rotating shaft are fixedly connected with the clamping plates on the lower side. A first shearing tool bit and a second shearing tool bit are rotationally installed on the outer wall of the rotating shaft, and clamping structures are arranged on the upper side and the lower side of the first shearing tool bit and the upper side and the lower side of the second shearing tool bit. When the handle is pressed, the electric motor is triggered to drive the first shearing tool bit and the second shearing tool bit to rotate mutually to shear branches, so that the effect that the branches of the fruit trees can be stabilized and sheared with one hand is achieved, the branches are prevented from being cut by the electric cutting pliers or stabbed by insects on the trees, the shaping and pruning efficiency of fruit farmers on the fruit trees is improved, and the pruning safety of the fruit trees is also improved.

The utility model relates to the technical field of food processing, and provides a slitting device for chicken processing, which comprises a rack, a transverse cutter arranged in a lifting and sliding manner relative to the rack, a longitudinal cutter arranged on the rack in a lifting and sliding manner and crossed with the transverse cutter, and an elastic piece with one end acting on the longitudinal cutter and the other end acting on the rack, the longitudinal cutter is arranged on the rack and provides upward force for the longitudinal cutter, the linear driving part is arranged on the rack, the transverse cutter is arranged at the driving end of the linear driving part, the linear driving part drives the transverse cutter to move, and the pushing part is arranged at the driving end of the linear driving part or arranged on the transverse cutter and used for pushing the longitudinal cutter to move downwards. By means of the technical scheme, the problems that in the prior art, due to the fact that the shape of a chicken frame is irregular, and the parts with spines and breastbones slip during vertical cutting, the chicken frame is difficult to be regularly cut are solved.

The invention relates to a cable penetrating sleeve suspension joint sealing and fixing device and a use method. According to the technical scheme, a first protective sleeve and a second protective sleeve are installed at the two ends of a copper pipe respectively, a cable core wire is installed in an inner cavity of the copper pipe, a sealing assembly is installed at one end of the outer wall of the copper pipe, a fixing assembly is installed at the other end of the outer wall of the copper pipe, the sealing assembly and the fixing assembly are in contact sealing with the inner wall of a sleeve suspension connector, and the lower end fixes the copper pipe. The cable has the beneficial effects that the adopted protective sleeve not only plays a role in sealing a gap between the cable core wire and the copper pipe, but also separates the cable core wire from the copper pipe, so that the problem of short circuit caused by exposure of a copper wire of the cable core wire due to contact abrasion between a lead layer of the cable core wire and the copper pipe caused by vibration during operation of an electric pump unit is prevented; the copper pipe protects and seals the cable core wire, the situation that the cable steel belt clip falls into a well and cuts the cable core wire is prevented, the taper sleeve and the semi-ring taper are pressed by the pressing screw pipe, the copper pipe is fixed and prevented from moving, the installation is simple in the construction process, and the sealing is reliable.

The invention discloses an electrical connection terminal and an electrical connection assembly. The electrical connection terminal includes a crimping portion and a main body portion. The crimping portion includes: a base portion having a front end and a rear end opposite in a longitudinal direction thereof and two sides opposite in a transverse direction thereof; the plurality of conductive teeth are respectively connected to two sides of the base part and are positioned between the front end and the rear end of the base part; and a plurality of fixing teeth respectively connected to both sides of the front end of the base part. The main body part is connected with the rear end of the base part. The conductive teeth are suitable for puncturing an insulator of the flexible electric connecting piece and being crimped on a conductor of the flexible electric connecting piece so as to be electrically connected with the flexible electric connecting piece; the fixing teeth are suitable for puncturing an insulator of the flexible electric connector and being crimped on the insulator, so that the front end of the base part is fixed on the flexible electric connector, and the front end of the crimping part of the electric connection terminal can move synchronously with the flexible electric connector and cannot move relative to the flexible electric connector. Therefore, the flexible electric connector can be prevented from being cut off by the sharp edge of the front end of the crimping part.

The invention belongs to the technical field of medical instruments, and particularly relates to an abdominal fascia suturing and puncturing device which comprises a suturing instrument, a puncturing thread hooking device and a damper. The stitching instrument is inserted into the puncture cannula, the upper surface of the first swing part abuts against the inner wall of the abdominal cavity side wall, the puncture thread hooking device pierces into the side wall of a puncture wound till an opening of a thread hooking groove moves to the position below a suture line, the puncture thread hooking device is pulled out, the lower end of the thread hooking groove abuts against the suture line, and the suture line is pulled out. The other end of the suture line is hooked out according to the same method, the puncture cannula, the connecting pipe and the like are pulled out, the two ends of the suture line are located on the outer side of the puncture wound, the middle of the suture line is left in the abdominal cavity and penetrates through the side walls of the two sides of the puncture wound, and the wound is sutured according to a conventional method. The fascia suturing work is completed; the suturing and puncturing device can solve the problem that instruments are frequently replaced in the operation process.

The invention relates to the technical field of crop harvesting, in particular to a robot for agriculture. Comprising a walking mechanism, a storage bin and a conveying bin which are adjacent are arranged at the top of the walking mechanism, a visual camera is arranged at the top of the front end of the conveying bin, and a folding assembly is arranged at the bottom of the front end of the conveying bin close to the ground and used for folding cut crops; a cutter assembly is arranged at the front end of the gathering assembly and comprises a cutter shaft, blades are evenly distributed on the side wall of the cutter shaft in a circumferential mode, each blade twists and deforms downwards, a through hole is formed in the middle of each blade, bristles are arranged at the bottom, located on the back side of the cutter, of each blade, a plurality of guide plates are arranged between every two adjacent blades, and each guide plate twists and deforms. The twisting direction is consistent with the blade; according to the agricultural robot, the three harvesting processes including crop harvesting, crop conveying and crop storage bin entering can all reduce attachment of soil, and cleanliness of crops is guaranteed.

The utility model provides a concrete repair capsule material coating device, which relates to the technical field of coating devices, and comprises a support frame, a rotating disc is rotatably inserted into the bottom of the support frame, a motor is fixedly connected to the top of the support frame, an electric telescopic rod is fixedly connected to the output end of the motor, and the electric telescopic rod is fixedly connected to the bottom of the support frame. A limiting rod is rotatably inserted into one side of the supporting frame, a cutting device is arranged on one side of the supporting frame, a limiting device is arranged on the top of the rotating disc, the cutting device comprises a rectangular strip, a first sliding groove is formed in the rectangular strip, and a second sliding groove is formed in the side, away from the first sliding groove, of the rectangular strip; when the cutting device is used, the blade is manually controlled to slide in the second sliding groove, then the thin film sliding in the first sliding groove can be cut off, the thin film can be cut off conveniently, a worker does not need to use scissors to cut off the thin film, and therefore the coating efficiency can be improved to a certain degree.

The utility model provides a clamping tool for glass carrying, which comprises a shell, a transmission structure, a first clamping jaw and a second clamping jaw, the transmission structure is arranged in the hollow cavity of the shell; the transmission structure comprises a driving gear and a driven gear which are meshed with each other; the driving gear is provided with a control structure for controlling the driving gear to rotate; the first clamping jaw is arranged at the bottom of the shell; the second clamping jaw is arranged on the driven gear and extends in the direction opposite to the first clamping jaw. A first avoiding hole for avoiding the first clamping jaw is formed in the shell; the free end of the first clamping jaw and the free end of the second clamping jaw are each provided with a bent plate bent downwards. The second clamping jaw can swing up and down along with rotation of the driven gear, so that the angle between the second clamping jaw and the first clamping jaw is changed. The clamping tool is simple in structure and convenient to operate, not only can the hands of an operator be prevented from being cut, but also the burden of the operator on the weight of the clamping tool can be greatly reduced, and the labor intensity is reduced.

The utility model relates to the technical field of plastic uptake product edge cutting, in particular to a forming edge cutting mechanism of a plastic uptake product, which comprises an edge cutting machine, a movable frame is connected to the outer side of the edge cutting machine in a sliding mode, a telescopic air cylinder drives a cutting knife to reset through arrangement of a movable assembly, so that a connecting block pushes a trigger rod and drives a telescopic rod to contract, and the edge cutting machine is used for cutting the plastic uptake product. At the moment, a fixing strip slides in an inclined groove formed in the surface of a connecting plate so as to abut against the connecting plate to move towards the surface close to the cutting knife, when a rotating shaft rotates, a movable shaft, a threaded rod, a sliding block and a toothed plate at the bottom can be driven to move downwards through a belt, and when the toothed plate moves downwards, a gear engaged with the surface and a grinding disc can be driven to rotate; according to the edge cutting device for the plastic uptake product, the used cutting knife is polished, the situation that in the edge cutting process of the plastic uptake product, the cutting knife makes frequent contact with the plastic product and cuts the plastic product, a cutting edge is gradually abraded, and the sharpness is reduced is prevented, the edge cutting quality and precision are improved, and the edge cutting efficiency is improved.

The utility model relates to the technical field of electrical cabinets, and particularly discloses a plate cabinet with an electrical debugging blank panel, which comprises a cabinet body, a blank panel which is arranged on the cabinet body and is matched with the cabinet body to form a closed cavity, and a terminal strip arranged in the cabinet body, the blank panel comprises a plate body provided with a debugging through hole and a sealing plate which is arranged on the plate body and is used for opening and closing the debugging through hole; and the debugging through hole is connected with the sealing cavity. According to the utility model, the debugging through hole is arranged on the blank panel, and the sealing plate is arranged on the debugging through hole, so that the debugging can be realized by opening the debugging through hole and extending the debugging cable into the cabinet body to be connected with the terminal strip during debugging, compared with the prior art, the blank panel does not need to be disassembled, the debugging efficiency is greatly improved, and the debugging cost is reduced. Deformation of the blank panel due to repeated disassembly of the blank panel during debugging is avoided.

The invention discloses a protective agent for lung injury caused by intestinal ischemia reperfusion, and relates to the technical field of lung injury protective agents. The method comprises the following steps: step a: a synthesis step: S1, a purification process of tripterine: stirring an obtained concentrated solution with silica gel, fully mixing the silica gel and the concentrated solution, and drying into dispersed particles to obtain a granular raw material for later use; verification is carried out by establishing a cell model and a biological model, lung cell coking can be effectively relieved, the lung can be protected against oxidative stress injury, when the biological model is modeled, an intestinal ischemia reperfusion injury model is established for a mouse by utilizing an active modeling operation, clinical lung injury conditions are simulated, and the model is used for simulating the lung injury condition. The tripterine derivative is given through oral administration or intravenous injection, and it is verified that the tripterine derivative has the effects of inhibiting lung cell coking, preventing cells from releasing histidine and various inflammatory mediators and avoiding further aggravation of inflammatory response and cell damage.

This invention relates to a high-temperature superconducting cable, comprising: a metal skeleton, high-temperature superconducting tape, impregnated filler, a conductive metal layer, and a metal armor layer; a central cooling channel is provided in the center of the metal skeleton; the high-temperature superconducting tape is stacked into strands, with the entire strand spirally wound tightly against the metal skeleton; a conductive metal layer is wound around the outer side of the high-temperature superconducting tape, and a metal armor layer is also provided; the impregnated filler is filled into the gaps between each strand of the high-temperature superconducting tape using a vacuum pressure impregnation process. Compared with the prior art, in this invention, the high-temperature superconducting tape is stacked into strands and wound on the metal skeleton, and the neatly stacked tape is less susceptible to mechanical damage; there are gaps between the strands of the high-temperature superconducting tape, and the size of the gaps can be changed when the cable is bent, so the high-temperature superconducting tape is less likely to be damaged by excessive stress when the cable is bent; after the cable is bent, the gaps between the strands of the high-temperature superconducting tape can be filled by vacuum pressure impregnation, improving the thermal conductivity and mechanical strength of the cable.

The utility model discloses a kind of dielectric fiber driven grippers, including mounting base and the assembly on the mounting base of several clamping jaw mechanisms, all the clamping jaw mechanisms are distributed along circumference, to realize the automatic centring of object and catch;Each the clamping jaw mechanism includes hingedly connected first clamping jaw and second clamping jaw, and the first dielectric fiber driver for controlling the centripetal or centrifugal motion of the first clamping jaw is connected between the first clamping jaw and the second clamping jaw;The second clamping jaw is assembled on the mounting base.The utility model successfully provides a kind of gripper solution with low driving voltage, simple structure, light weight, high reliability and good grasping adaptability by combining low-voltage dielectric fiber driver with optimized design rigid clamping jaw mechanism, and it has excellent comprehensive performance and good application value.

The present invention discloses a tooth block and pull rod combined cable tower anchoring structure of a cable-stayed bridge, comprising a cable tower, a cable anchoring tooth block is arranged on the inner side of the tower wall along the bridge direction of the cable tower, a cable pre-buried pipe is arranged in the front and rear tower walls of the cable tower, an anchor pad for anchoring the cable is arranged at the intersection of the upper end of the pre-buried pipe and the upper tooth surface of the anchor tooth block, and a steel pull rod placed along the bridge direction is arranged in the cable tower, the steel pull rod connects the lower tooth surfaces of the two tooth blocks and is distributed on both sides of the cable pre-buried pipe. Slow-bonding prestressed steel bundles are arranged in the four tower walls of the cable tower. In the present invention, the tooth block is combined with the steel pull rod, and the force is transmitted together with the tower wall and the tooth block through the shear key. The present invention abandons the high-altitude grouting operation with difficult quality control, avoids the cutting of the tower column longitudinal reinforcement by the anchor hole, is convenient for construction, easy to control quality, improves the force performance of the cable tower anchoring, improves the construction quality of the cable tower anchoring structure, and improves the economy of the structure, and has promotion significance.

The utility model relates to the field of carton box handle press-fitting equipment, and discloses an automatic carton box handle press-fitting device which comprises a carton box conveying mechanism, a cutter head and a handle conveying device, the carton box conveying mechanism is used for conveying a carton box, and a handle pressing station is arranged on the carton box conveying mechanism; the cutter head is arranged above the handle pressing station, cutters are evenly arranged in the circumferential direction of the cutter head at intervals, the handle conveying device comprises a front bent guide rail and a rear bent guide rail which are located on the outer side of the cutter head, and the rear section of the front bent guide rail is connected with the rear bent guide rail to form at least one section of arc-shaped conveying path close to the cutter head. The part belonging to the front bent guide rail and the part belonging to the rear bent guide rail in the arc-shaped conveying path are opposite in conveying direction in the horizontal direction, so that the handle output by the rear bent guide rail can be in full contact with a limiting piece and a cutter of a cutter head; the situation that the cutter disc idles or the cutter disc rotates by a certain angle, and the walking path of the handle roll is larger than the rotating angle of the cutter disc is avoided.

The utility model relates to a discharging device for low-viscosity materials, which comprises a connector mechanism, a plug mechanism is mounted in the connector mechanism in a sliding and sealing manner, the plug mechanism and the connector mechanism are limited through a bolt, the axial displacement stroke of the plug mechanism is limited by the bolt, and the plug mechanism is connected with the connector mechanism in a sliding and sealing manner. Therefore, when the plug mechanism moves inwards to the first limit position, the discharging device is closed, and when the plug mechanism is pulled outwards to the second limit position, the discharging device is opened. By arranging the connector mechanism and the plug mechanism, the low-viscosity materials can be prevented from leaking during stirring, and the materials can be prevented from flowing out of the container along with the plug during discharging to cause material waste and environmental pollution, so that the discharging effect is improved.

The invention provides a pole, a cover plate assembly and a battery cell, and relates to the technical field of batteries. The pole is used for a battery cell, the pole comprises a pole body and a bottom plate, the pole body is connected with the bottom plate, the bottom plate comprises a first plate part and a second plate part, the first plate part and the second plate part are connected on one side of the battery cell in the thickness direction, the second plate part is used for being connected with a tab, and the tab is connected with the pole body. And the size of the first plate part in the length direction of the battery cell is greater than that of the second plate part in the length direction. Therefore, only the first plate part is flush with the lower end surface of the first plastic part, so that the first plastic part can be prevented from cutting the tab. The size of the first plate part in the length direction of the battery cell is larger than that of the second plate part in the length direction, and compared with the whole bottom plate which is of an equal-thickness structure, the size of the bottom plate is reduced, the weight of the whole pole is reduced, and the manufacturing cost of the pole is reduced.

The utility model discloses a novel insulating adhesive tape which comprises an adhesive tape main body, a release film is attached to one side of the adhesive tape main body, a base tape is arranged in the adhesive tape main body, a bonding layer is attached to the lower portion of the base tape, and a winding drum is installed in the adhesive tape main body. According to the novel insulating rubber tape, through cooperative use of the sliding groove, the sliding block, the movable frame, the fixed rod, the movable sleeve, a spring and a cutter, when the novel insulating rubber tape is used, the rubber tape body needs to be pulled out by a certain length, the sliding block can drive the movable frame to slide on the outer side of the winding drum, and the cutter can move to the position to be cut; afterwards, a user only needs to press the cutter and pull the adhesive tape body outwards to cut off the adhesive tape body, other tools are not needed in the whole using process, time and labor are saved, meanwhile, the cutter is jacked upwards under the action of the spring, a certain distance is formed between the cutter and the adhesive tape body, and the adhesive tape body is cut off. The surface of the adhesive tape main body is prevented from being cut by a cutter when cutting is not needed.

This utility model discloses a multifunctional archaeological hammer, including a hammerhead, a first handle fixedly connected to the hammerhead, and a shaft fixedly connected to the hammerhead. A second handle is rotatably connected to the shaft. The first handle has length graduations, and the second handle has segmented angle graduations for displaying the angle between the first and second handles. Compared with the prior art, the advantages of this utility model are: This multifunctional archaeological hammer has a slotted hammer handle fixedly on the first handle. The second handle can rotate into the slot and is detachably connected. When the first and second handles are used as the hammer handle, the second handle can be stored in the slot to prevent the hand from being cut by sharp blades. At the same time, the handle has a rubber sleeve and a finger grip for easy gripping. The second handle is also limited in the slot by magnetic adsorption or by L-shaped blocks cooperating with L-shaped slots, making it safer and more convenient to use.

The invention belongs to the technical field of asphalt concrete base construction, and particularly relates to an asphalt concrete longitudinal and transverse joint treatment method. The method comprises a bituminous concrete longitudinal joint treatment step and a bituminous concrete transverse joint treatment step. The longitudinal joint treatment step comprises formwork erecting; longitudinal templates are laid on the edge of the paving surface and fixed; the concrete materials on the inner sides of the longitudinal formworks are spread and rolled; the longitudinal formworks are removed after cooling, and paving of longitudinal adjacent sections is started; after paving is completed, longitudinal joint static pressure and paving surface rolling are carried out; the transverse joint treatment step comprises the steps of pre-burying a transverse template and then starting longitudinal rolling; after rolling is completed, mold removal is started after the asphalt concrete surface is cooled and shaped, and then transverse joints are paved, rolled and trimmed; and after the transverse joints are treated, the longitudinal rolling process is started. The longitudinal formworks and the transverse formworks can provide effective support in the asphalt concrete compaction process, mixed materials are prevented from overflowing, and the compaction degree and porosity of the edge asphalt concrete are improved.

The present invention relates to the field of cable technology, and specifically discloses a flame-retardant and fireproof aluminum alloy photovoltaic cable, comprising a wire core and an inner frame, wherein a plurality of wire cores are inserted into a mounting groove in the inner frame, a flame-retardant sleeve is wrapped on the outer side of the inner frame, a flame-retardant agent is filled in the flame-retardant sleeve, an outer frame is installed on the outer side of the flame-retardant sleeve, and an outer skin is wrapped on the outer side of the outer frame. The present invention installs the outer frame on the outer side of the flame-retardant sleeve, which has a certain elasticity. When the outer skin is squeezed, the force is applied to the outer frame through the outer skin, which has a buffering and unloading effect on the internal structure, and can protect the internal flame-retardant sleeve to avoid the flame-retardant sleeve from being crushed due to squeezing; a cutting knife is arranged inside a square box, and when the outer skin is squeezed, the flame-retardant sleeve is blocked by the square box, so that there is always a gap between the cutting knife and the flame-retardant sleeve, and the two cannot contact each other. When a fire occurs inside, it is cut under the action of air pressure, thereby avoiding the situation that the flame-retardant sleeve is damaged by external force.

This utility model proposes a low-profile, lightweight truck tire, belonging to the technical field of lightweight truck tires. It includes: side longitudinal grooves, located on both sides of the tire tread and close to the shoulder, forming a straight line structure extending continuously along the circumference of the tire tread; a central longitudinal groove, located between adjacent side longitudinal grooves, forming a zigzag structure extending continuously along the circumference of the tire tread; and first steel sheets, forming a straight line structure, perpendicularly connected to both sides of the side longitudinal grooves, with 4-5 first steel sheets on one side of each side longitudinal groove within each tread pitch along the circumference of the tire tread. This utility model solves the technical problem of existing low-profile, lightweight truck tires still failing to balance grip and tire lifespan, featuring good grip and a longer tire life.

The application discloses a kind of river ecological environment protection with repair device, including: including: biological rope installation frame, the upper end four corners of biological rope installation frame are respectively with one upper connecting rod, the lower end four corners of biological rope installation frame are respectively with one lower connecting rod, and the upper connecting rod and lower connecting rod are connected together by docking rod;Upper connecting rod upper end is screwed through screw rod, and the bottom of screw rod is connected with extruding rod, and the bottom of extruding rod is connected with positioning mechanism docking.The river ecological environment protection with repair device, by assembling biological rope installation frame, upper connecting rod, lower connecting rod and docking rod, then biological rope is hung on biological rope installation frame, after installation is completed, it is put into the river that needs to be managed, at this time, screw rod is adjusted downward, and screw rod moves downward and pushes plug rod downward, and finally plug rod is inserted into the soil at the bottom of river, so that the device will not be displaced with water flow when the river is managed, so that the stability of the device when using can be improved.

The utility model relates to the field of mower, especially cut grass machine of cutting assembly, including cutterhead subassembly, blade and reset piece, the blade rotation connects cutterhead subassembly, the blade has initial position and cutting position, the blade is in initial position, the blade is located in cutterhead subassembly, the blade gradually stretches out cutterhead subassembly when the blade changes from initial position to cutting position, reset piece is used for providing the force of the movement of the blade to the center of cutterhead, so that the blade changes from cutting position to initial position. The utility model can reduce the occurrence of cutting accident.

The application discloses a 505 / 95R29 special high-load radial tire for nonferrous mine and a production process thereof, and relates to the technical field of tires. The application is characterized in that a concave V-shaped structure is arranged at the tire shoulder and the tire side, the transverse pattern groove of the tire tread extends to the tire side and is provided with a heat dissipation groove; the ring part is designed with full interference and is provided with anti-skid protrusions; a five-layer belt structure is adopted, the B1 belt layer is a two-piece small-angle split structure, and nylon reinforcing layers are arranged on both sides of the tire body. The application fills the design and development blank of the 505 / 95R29 special high-load radial tire for nonferrous mine by developing a new 505 / 95R29 special high-load radial tire for nonferrous mine and adopting a new production process, and solves the problems of insufficient load capacity of the current product of the large-tonnage wide-body vehicle and high failure.