106results about How to "Play an insurance role" patented technology

The invention discloses a fast-disassembly method of a small aeroplane access cover and a fast-disassembly bearing lock. The method is characterized in that an upper lock body with a pin is mounted onthe access cover; a lower lock body with a clamping groove is mounted on an airframe; in locking process, the upper lock body is inserted into the lower lock body, and the pin is clamped in the clamping groove under the action of a spring; in unlocking process, a bolt connected with the pin is rotated by a screwdriver, the pin overcomes the spring force to pull away from the clamping groove to enable the upper lock body to be drawn out from the lower lock body so as to achieve the purpose of the fast disassembly of the access cover. After being mounted on an aeroplane, the fast-assembly bearing lock can meet the requirement of fast opening and closing of the aeroplane access cove, facilitates the maintenance of the aeroplane, improves the maintenance efficiency of the aeroplane, shortensthe time for fast opening and closing the aeroplane access cover and shortens the time of replacing and maintaining the aeroplane equipment to be within 40 minutes. The invention has the advantages ofhigh fatigue strength, small volume, light weight, easy use and maintenance, fast disassembly, large transfer load, and the like.

The invention discloses a rapid demounting method for cabin door of aeroengine and a latch lock. The method comprises steps of: pressing a trigger to open the lock, a bottom plate rotating under effect of a bottom plate torsional spring, a connecting rod hinged on the bottom plate pulling the pin to retract to open the cabin door rapidly; pressing the bottom plate to overcome the torsional elasticforce of the bottom plate to rotate the bottom plate inversely, the connecting rod hinged on the bottom plate pushing the pin to extend, meanwhile the lock being hanged on a lock hanging scroll to lock the cabin door rapidly. The invention can satisfy requirement of rapidly opening and closing the cabin door of the airplane, which is convenient to maintain the airplane and improves maintaining efficiency of the airplane as well as reduces time of rapidly opening and closing the cabin door of the airplane. The latch lock of the invention mounted to the airplane is aligned with skin of the surface of the airplane, which does not affect aeroperformance of the airplane.

The invention discloses a mounting device for a combined type vertical tube in a high-rise tube well and a mounting method thereof, belonging to the technical field of mechanical and electrical installation, and aiming to solve various problems of the modularizing mounting of the present mounting device for the combined type vertical tube. The mounting device comprises a tube wall lug and a tube well pothook which are arranged in a matching manner; single pipelines are fixed on a sharing bracket through a bracket fixing plate; the bracket fixing plate is fixed on the tube well wall. The mounting method comprises the following steps: firstly, welding a lug on the outer wall of the single vertical tube; fixing the vertical tube in the sharing bracket by a hoop so as to form a vertical tube set; arranging a pothook on the corresponding position on the tube well wall; wholly hanging the vertical tube set to a floor; suspending the lug on the preset pothook; vertically splicing the verticaltube set in turn; and finally closing the opening of the pothook through a safety pin. According to the invention, the tube wall lug and the tube well pothook are utilized to realize the temporary fixing of the vertical tube set, the flexible time is supplied for the re-testing of the tube set position, and the mounting precision and quality are further improved.

A vehicle microactuator applied to a refueling tank cover or a charging box cover of a vehicle comprises a casing divided into a motor cavity and a lockup cavity, wherein an electric locking assemblyis arranged in the motor cavity and sequentially comprises a motor, a drive assembly and a locking part from top to bottom, a manual locking assembly is arranged in the lockup cavity and sequentiallycomprises a rotary push rod, a driving sleeve and a rotating sleeve from top to bottom, the locking part comprises a locking base part located in the motor cavity, a locking tongue for locking the rotating sleeve and a hook arm used for connecting the locking base part and the locking tongue, a passage matched with the hook arm is arranged between the motor cavity and the lockup cavity, a lockinghole is formed in the wall of the lockup cavity and communicated with the passage, and the locking tongue can penetrate through the lock hole and forms interference fit with the rotating sleeve. The rotating sleeve is a component located at the last link of the manual locking assembly, therefore, the mutual acting force between the locking tongue and the rotating sleeve is relatively smaller, andthe risk of part wear and breakage can be effectively reduced.

The invention relates to a fire-fighting projectile. The fire-fighting projectile comprises a projectile body assembly and a propelling assembly, wherein the projectile body assembly comprises a projectile body, an explosive, a rear cylinder body, a front cylinder body and a plurality of fins, the projectile body consists of fire-fighting substances, a central cavity is formed in the projectile body, and the explosive is arranged in the central cavity. The fire-fighting projectile is characterized in that the propelling assembly comprises a base plate, a piston, a reset spring and a plurality of connecting plates; the rear ends of the connecting plates are uniformly fixed on the base plate, and the front ends of the connecting plates are fixed with the fins through connecting steel wires; and the tail end of the rear cylinder body is filled with an ignition charge, the ignition charge is connected with the explosive through a delay lead, the piston is fixed at the center of the base plate and is used for extruding and igniting the ignition charge, the reset spring is located between the base plate and the fins, plays a role of insurance and is used for separating the projectile body assembly from a propelling ignition assembly after the projectile is shot. The fire-fighting projectile plays a role of insurance by virtue of limitation of the reset spring and the connecting steel wires, and by virtue of thrust of the propelling assembly to the rear cylinder body and the fins, the firing range of the fire-fighting projectile is increased. The fire-fighting projectile has the advantages of being simple in structure, good in fire extinguishing effect, remarkably beneficial effects and suitable for being applied and popularized.

The invention relates to a lifting mechanism for a shuttling tool, and belongs to the technical field of storage and taking. The lifting mechanism comprises a lifting bottom seat and a lifting top seat, wherein the lifting bottom seat is fixed on a bottom frame of the shuttling tool; the lifting top seat is fixedly connected with a tray top plate and positioned above the lifting bottom seat; the lifting bottom seat and the lifting top seat are respectively provided with paired synchronous gears which are meshed with each other, and the rotating centers of the synchronous gears are positioned on the same horizontal line; the rotation centers of the synchronous gears are respectively and fixedly connected with one ends of each of a pair of lower rocker arms and a pair of upper rocker arms; the other end of each of the lower rocker arms and the other end of each the upper rocker arms are correspondingly connected with each other respectively; one of a pair of hinged parts of the lower rocker arms and the upper rocker arms is hinged with one end of a driving connection rod; and the other end of the driving connection rod is hinged with the outer end of a crank driven by a speed reduction output power device. Due to multiple self-locking, the locking is relatively reliable; and furthermore, due to the two pairs of synchronous gears, the pair of lower rocker arms and the pair of upper rocker arms form the symmetric lifting mechanism which is stressed in a balanced manner and runs steadily.

The invention discloses a battery pack with a short-circuit protection function. The battery pack comprises batteries and connection protecting sheets; the number of the batteries is at least two, and the batteries are in serial connection or in parallel connection through the connection protecting sheets; each battery is provided with a positive terminal and a negative terminal; each connection protecting sheet is provided with at least two lugs; the connection protecting sheet is connected with the positive terminal and the negative terminal through the lugs; and the connection protecting sheet is slotted between the lugs to form a narrowed conductive connection part capable of fusing in short circuit of the batteries. According to the battery pack, the connection protecting sheets are slotted in the current path in the section direction for being narrowed and shrunk; the slotted, narrowed and shrunk connection protecting sheets reduce the section area of the current path, namely, the overcurrent capability of the connection protecting sheets is reduced, however, the current-passing capability in normal use can be ensured, and meanwhile, the connection protecting sheet can be fused in time in encountering large current for realizing overcurrent and protection. The battery pack is simple in manufacturing process, and capable of improving the current-passing capability among the batteries, and the battery can be switched off in encountering higher current so as to avoid chain reactions.

The invention provides an open-pit mine blasting technical method for avoiding large blocks in frozen layers, and belongs to the technical field of mining engineering blasting. The open-pit mine blasting technical method comprises the following steps: (1) drilling holes: detecting directions, determining hole positions and hole row distances of holes according to actual topographic conditions, drilling blast holes in a blasting operation platform with a frozen layer by using a rotary drilling machine with an aperture of 250mm; (2) loading hole: performing interval loading according to obtainedblast holes, first continuously filling 9 / 17 of each blast hole by explosives, then backfilling 7 / 34 of each blast hole by broken stone, then filling 1 / 17 of each blast hole by explosives, and then backfilling 7 / 34 of each blast hole by broken stone; and (3) determining a detonating mode: arranging three detonators in each blast hole, wherein the detonators are mounted in a detonating bomb, and are respectively arranged on a continuous filling part at the bottom, under the continuous filling part, and in the middle place of an upper filling part, a guide line of each detonator is connected with a nonel on the ground surface, and detonating is carried out by a blaster. According to the invention, continuous loaded explosive columns mainly have a loosening effect on the frozen layer, and modified explosive columns directly act on the frozen layer to exert a crushing effect, so that generation of large blocks is effectively avoided.

The invention discloses a campus security steel fork. The campus security steel fork comprises a rod body, a grip, a bolt, a guide rod, a baffle ring, an outer spring, a sliding barrel, a threaded sleeve, a plurality of supporting rod connecting bases, an arc-shaped pipe, rubber sleeves, a fixing buckle groove and an umbrella body, wherein the grip is fixed to the left end of the rod body through the bolt, the guide rod with the diameter smaller than that of the rod body is integrally formed in the middle of the rod body, the baffle ring is arranged at the left end of the guide rod, the guide rod is sleeved with the outer spring, the sliding barrel slides in the axial direction of the left portion of the rod body, a threaded sleeve is integrally formed on the right side of the sliding barrel, the plurality of supporting rod connecting bases are fixed to the circumference of the outer wall of the right portion of the rod body, the arc-shaped pipe is welded to the right end of the rod body, the two ends of the arc-shaped pipe are sleeved with the rubber sleeves, the fixing buckle groove is formed in the left portion of the guide rod in the radial direction, and the umbrella body is mounted on the guide rod. According to the campus security steel fork, the injury probability of security personnel is greatly reduced, the eyes of a gangster lose the visual field, and the efficiency of subduing the gangster is improved.

The invention discloses an internal spray oil-water isolation rotary sealing system of a multistage mechanical sealing type coal mining machine, and belongs to the technical field of coal mining machine sealing systems. The internal spray oil-water isolation rotary sealing system comprises a housing, a water pipe, a secondary sealing seat and a pipe shaft seat; a threaded hole is formed in and a blocking cap is arranged on the end face of one side of the housing; a water inlet chamber, a rotary water sealing drainage opening, a primary movable sealing ring and a primary stationary sealing ringare arranged in the housing; a spindle nose key groove I is formed in one end of the water pipe; a spindle nose key groove II is formed in the other end of the water pipe; a hollow plug screw is arranged at one end of the rotary water sealing drainage opening; a gasket and a rubber pad are arranged in the hollow plug screw; the secondary sealing seat is in sealing connection with the housing through a sealing ring; and a needle roller bearing, a secondary stationary sealing ring, a secondary movable sealing ring, a secondary ejection and pressing spring, a secondary water seal and a secondarydriving bolt are arranged in the secondary sealing seat. With the adoption of the water pipe provided with driving key grooves at the two ends and the pipe shaft seat arranged in multiple stages of sealing units in use, a waterway is turned from a static state into a rotating transportation state, so that the life of the multistage mechanical sealing type coal mining machine is prolonged.

The invention provides an automobile fuel tank cap actuator which comprises a base and a base cover arranged on the base in a covering mode. The inner part of the base is partitioned into a motor cavity and a locking cavity. An inserting hole communicating with the motor cavity and the locking cavity mutually is formed between the motor cavity and the locking cavity. A power mechanism is arrangedin the motor cavity and is in transmission connection with a spring bolt. A locking mechanism is arranged in the locking cavity, and the spring bolt can penetrate through the inserting hole to be inserted into the locking mechanism. According to the automobile fuel tank cap actuator, an electric form and a mechanical form are combined, and the defects in the prior art are improved, thus misoperation is avoided, and the insurance effect is achieved; through cooperation of a motion lock shaft, a guiding lock sleeve and the locking cavity, the actions of circular sliding rotating and limiting onthe motion lock shaft are achieved, and locking or unlocking of an oiling little gate or a charging little gate is achieved; and the design is delicate, the structure is firm, durability is achieved,the production and mounting efficiency is improved, impact force and noise are effectively lowered, the overall service life of a product is prolonged, and the overall safety and comfortableness of the product are improved.

The invention relates to a glass burr reflowing pipe, belonging to the field of reflowing and condensation equipment. The glass burr reflowing pipe is composed of an inner pipe and an outer pipe, wherein through holes are formed in the upper and lower parts of the inner pipe; the upper part of the inner pipe is spherical and three opposite cold bubbles are formed on the lower part of the inner pipe when the lower part stretches on one plane from a wall of the reflowing pipe; the cold bubbles are communicated to form a burr shape; the outer pipe is in sleeving joint with the spherical upper part of the inner pipe; and an inclined water injection hole is formed in the upper part of the outer pipe. Based on the structure, water can be saved through air cooling when a sample is decomposed, and volatile matters and steam can be prevented from passing, so that the glass burr reflowing pipe has relatively good reflowing effect.

The invention discloses a sand screening device with the automatic feeding and discharging functions. The sand screening device comprises a base frame. An edge baffle and a pressure sensor are arranged on the upper portion of the base frame. A multi-stage oil cylinder is arranged on one side of the base frame and matched with a discharging plate. The base frame is connected with a middle frame through a set of stand columns. A controller is arranged in the middle of the middle frame. A sand screening motor is arranged at one end of the middle frame and matched with a screen. The middle frame is matched with a feeding hopper through a support. A feeding motor is arranged on the lower portion of the feeding hopper and matched with a feeding wheel. A solar cell panel and an accumulator are arranged on the upper portion of the feeding hopper. The accumulator is electrically connected with lighting lamps at the ends of an extending-and-contracting rod. The electric sand screening manner is adopted in the sand screening device with the automatic feeding and discharging functions, automatic sand screening and discharging can be achieved, the workload of construction workers is relieved greatly, the sand screening quality is guaranteed while efficiency is improved, the solar lighting function is achieved, and part of electric energy is saved.

The invention discloses a percussion safety structure of a firearm. The percussion safety structure comprises a bolt body, a firing pin and an ejector, a firing pin installation hole and a hammer passing hole which are communicated with each other are sequentially formed in the bolt body from front to back, the ejector is located on one side of the bolt body, the rear end of the ejector is located above the bolt body, the upper portion of the bolt body is provided with an installation groove, the rear portion of the installation groove is communicated with the hammer passing hole, a firing pin safety block is installed in the installation groove and hinged to the bolt body, the front end of the firing pin safety block is provided with a guide slope used for being matched with the rear end of the ejector to guide the firing pin safety block, a return spring is arranged between the front portion of the firing pin safety block and the bottom of the installation groove, and the rear end of the firing pin safety block extends to the rear side of the firing pin. The percussion safety structure is simple, not prone to refitting and better in safety effect.

The invention discloses an automobile collision buffering device based on a magneto-rheological technology. The automobile collision buffering device based on the magneto-rheological technology comprises a buffering shell and a driving system; an automobile bumper is movably connected to the left side of the buffering shell; a square-hole wall is fixedly connected to the internal wall of the buffering shell; and an airtight groove is formed in the square-hole wall. The invention relates to the technical field of automobile safety protection. According to the automobile collision buffering device based on the magneto-rheological technology and a buffering energy absorbing method, as a square-hole frame is driven by automobile collision to move to the right side so that an airtight plug slides in the airtight groove and extrudes a buffering spring, partial automobile collision impact energy can be absorbed; under cooperation of an electromagnetic coil, a driving power supply and a magneto-rheological fluid column, the magneto-rheological fluid column shows high viscosity and low liquidity, absorbs most automobile collision impact energy, possesses good buffering and energy absorbingcharacteristics, is uneasy to deform during collisions and has a required safety effect; and moreover, the magneto-rheological fluid column which is deformed after the collision does not need to be changed so that the service life of the magneto-rheological fluid column is long.

The invention discloses an acrobystia cutting anastomat with an insurance mechanism, and belongs to the field of acrobystia cutting. The acrobystia cutting anastomat comprises a clock-shaped hood andan insurance protection mechanism, wherein a protection plug is arranged at the top end of the clock-shaped hood; a nail bin sleeve is connected to one end of the clock-shaped hood; a thickened pipe sleeve is mounted at the bottom end of the nail bin sleeve; a moving shaft is arranged between the thickened pipe sleeve and the outer wall of the middle part of the nail bin sleeve; a percussion handle is connected to one end of the moving shaft; a supporting spring is fixed to the inner wall of the percussion handle; an adjusting knob is arranged at the top end of the thickening pipe sleeve; andthe insurance protecting mechanism is located on the outer wall of one end of the thickening pipe sleeve. According to the acrobystia cutting anastomat disclosed by the invention, the elastic effect of the supporting spring is achieved, so that when being gripped, the percussion handle is convenient to loose after positioning, and the percussion handle is stable; a supporting clamping block on theinsurance can be used for supporting and clamping the middle part of the percussion handle to achieve the effect of insurance; and the insurance can be removed through rotating the supporting clamping block by 90 degrees, and the operation is convenient.

The invention discloses an artificial insemination bar. The artificial insemination bar comprises a semen collecting container, a shell for simulating the shape of a penis and an inner core arranged in the shell. Two wings for driving the shell to enter the orificium vaginae is arranged at one end of the shell, a positioning device for fixing the semen collecting container is arranged between the two wings, a pulling handle for driving the inner core to slide relative to the shell to allow the two wings to be opened or closed is arranged at one ends, far away from the wings, of the inner core, a catapulting device for catapulting the positioning device when the two wings are opened to allow the semen collecting container to be adsorbed to the uterine neck opening is connected on the inner core, and a catapulting triggering mechanism for triggering the catapulting device is arranged in the shell. The artificial insemination bar is operated without specialist physicians, and can be successfully completed between couples; as collected semen can be directly delivered to the uterine neck opening through the artificial insemination bar, it is avoided that sperms are killed when moving in the vagina, the survival rate of sperms is effectively increased, and the pregnancy success rate is greatly increased.

The invention discloses a cement mixer. The cement mixer comprises a power source, wherein a stirring rod is fixedly connected to the left end of the lower surface of the power source, a powder screening box is fixedly connected to the left side of the outer surface of the stirring rod, a stirrer is fixedly connected to the bottom end of the stirring rod, a support is fixedly connected to the left side of the outer surface of the powder screening box, the bottom end of the support is fixedly connected with a base, the top end of the base is fixedly connected with the bottom end of the stirrer, and a cement outlet is formed in the right end of the base. When the cement mixer is used for producing cement, coarse cement is poured into the powder screening box, then the machine is started, the power source enables the stirring rod to rotate violently, the stirring rod stirs, crushes and refines the cement, the yield is improved, large particles and cement blocks in the cement can be left in the powder screening box, cannot pass through the cement outlet, and then need to be re-ground, therefore, a user can quickly and efficiently find out bad cement by using the machine, and production is improved in a targeted manner.

The invention provides a jaw crusher toggle plate. The jaw crusher toggle plate comprises a toggle plate body (2) and wear-resisting bodies (1) at the two sides of the toggle plate body (2), wherein the two sides of the toggle plate body (2) are provided with steps, and the wear-resisting bodies (1) are provided with steps (5) matched with the toggle plate body steps (7). The jaw crusher toggle plate disclosed by the invention has the technical effects that firstly, the two ends of the toggle plate body are provided with the wear-resisting bodies, so that the abrasion between the toggle plate body and a toggle plate cushion is alleviated, the service life of the toggle plate is prolonged for 7-8 times and the utilization rate of materials is greatly improved; secondly, the toggle plate body adopts a casting to guarantee that a jaw crusher cracks when non-crushed materials fall into a machine or a machine is seriously overloaded so as to protect a movable jaw and a rack and achieve a safety effect, and the toggle plate body is convenient to replace; and thirdly, one ends of the wear-resisting bodies are circular-arc-shaped, and good rolling abrasion can be formed between the toggle plate and the toggle plate cushion to alleviate the impact on the toggle plate, so that the equipment can be reliably operated for a long period and the use and maintenance costs of the equipment are reduced.

The invention discloses a livestock veterinarian treatment fixing frame capable of conducting livestock weighing, relates to the technical field of fixing frames, and aims to improve the fixing effectand safety. The fixing frame specifically comprises a fixing frame body and a base, a control chamber is fixed to the outer wall of the top of the base through screws, and air cylinder assemblies which are evenly and symmetrically distributed are fixed to the inner walls of the two sides of the fixing frame body through screws. The air cylinder assemblies which are uniformly and symmetrically distributed are arranged; a corresponding detection mechanism and a shunt air valve are arranged on each air cylinder assembly; the branching air valve can timely disconnect the corresponding branching air pipe based on the specific position or pressure information of the fixing piece detected by the detection mechanism so that the fixing piece reliably fixes the head or neck of the livestock, and the phenomenon that the livestock is hurt due to overlarge pressure or small space formed by the fixing pieces is avoided. In addition, as the cylinder barrels are uniformly and compactly distributed, the device is suitable for livestock of different body types and is convenient and practical.

The invention discloses a low-temperature explosion-proof heat tracing cable, and relates to the technical field of heat tracing cables, the low-temperature explosion-proof heat tracing cable comprises a cable core body, and the cable core body comprises a tiled straight line section part and a bent section part perpendicular to the straight line segment section ; the plane where the wire core body of the bending section part is located is perpendicular to the planes where the wire core bodies at the two ends are located, a conductive plastic layer, an insulating layer, a shielding layer, a heat preservation layer and a cable jacket are sequentially arranged on the surface of each wire core body, and isolation layers are arranged in the cable jacket at equal intervals in the direction of the wire core bodies. And the surface of the cable jacket is axially provided with anti-stretching support ribs at equal intervals. By arranging the straight line section part, the bent section part, the heat preservation layer, the thickened cable jacket, the isolation layer inside the cable jacket, the anti-stretching supporting ribs outside the cable jacket and the woven explosion-proof layer, the problem that the heat tracing cable is prone to being affected by the environment after working in a low-temperature environment for a long time, and consequently aging or damage or burst is causedis solved.

The invention discloses a safe anti-collision door for a cold storage. The safe anti-collision door comprises a cold storage door and a mounting plate, a clamping piece and the mounting plate are arranged on one side of the cold storage door, the clamping piece is vertically arranged on the side face of the cold storage door and is fixedly connected with the cold storage door, the mounting plate is vertically arranged on the side face of the cold storage door and is fixedly connected with the cold storage door through the clamping piece, a bearing plate is arranged on the side face of the mounting plate, and a second sleeve is arranged on one side of the mounting plate. The safety anti-collision door for the cold storage adopts specially-produced polyethylene sliding wheels, the door can be easily opened and closed, time and labor are saved, convenience is provided for workers, the working efficiency is improved, in addition, the safety anti-collision door for the cold storage adopts alaminated design, so that the anti-collision effect can be safely and effectively realized.

The invention relates to the technical field of logistics machinery, in particular to a stabilizing device for a full-automatic travelling crane component, which comprises a guide rail and an electric hoist, a stabilizing frame is fixedly mounted on the electric hoist, a threaded groove is formed in the stabilizing frame, a bearing seat is fixedly mounted on the guide rail, a screw is rotatably mounted on the bearing seat, the screw is driven by a motor, a reserved gap is formed between the screw and the groove wall of the threaded groove, a lifting appliance is connected to the electric hoist, and lifting hooks are installed on the lifting appliance through a rotating shaft; the two lifting hooks are used for lifting a heavy object, the anti-falling belts are connected to the two sides of the lifting appliance, when the heavy object normally descends, the anti-falling belts are slowly pulled to drive the belt shaft to rotate, a locking structure cannot be triggered, a belt shaft can rotate a volute spiral spring from the middle, potential energy is accumulated in the volute spiral spring, the resistance generated by the volute spiral spring acts on the two sides of the lifting appliance, so that the stability of the lifting appliance is guaranteed, and the lifting appliance is prevented from shaking.

The invention relates to a cleaning tool and method for a JLCC image sensor circuit before packaging. According to the tool, small holes are closely distributed at the central position of a high-speedrotating platform; four safety limiting clamping grooves are uniformly distributed at the edge of the high-speed rotating platform; a circuit positioning tool comprises a substrate and a plurality ofgroups of circuit limiting clamping grooves formed in the substrate; the plurality of groups of the circuit limiting clamping grooves are located on the same circumference; each group of circuit limiting clamping grooves is used for fixing a to-be-cleaned circuit; the circuit positioning tool is installed on the rotating platform; the circuit positioning tool and the rotating platform are fixed in a vacuum adsorption mode through the small holes formed in the rotating platform; the rotating platform drives the to-be-cleaned circuit on the circuit positioning tool to rotate in a cleaning process; a liquid and high-pressure gas channel is communicated with a two-fluid nozzle placed above the rotating platform; two fluids are sprayed to the surface of the to-be-cleaned circuit through the two-fluid nozzle to achieve cleaning.

The sliding block anti-falling locking device of the press machine is characterized by comprising a spring bolt and a rack, the spring bolt is arranged on a machine frame stand column of the press machine, a spring bolt driving mechanism and a spring bolt position detecting mechanism are arranged on the machine frame stand column, and the rack is arranged on the side face of a sliding block and is in up-down sliding fit with the sliding block; a rack elastic supporting mechanism is arranged on the sliding block, and when the spring bolt driving mechanism drives the spring bolt to be inserted into the rack, the sliding block is locked; the anti-falling locking device has the advantages that anti-falling locking is carried out on the sliding block through matching of the spring bolt and the rack, when the sliding block stops at different height positions, the sliding block can be locked by the locking device so as to play a role in safety, and the sliding block does not need to be limited to the upper dead point position of the sliding block; and the length of the rack is changed to adapt to different stroke lengths and die height adjusting quantities of the press machine.

The invention discloses a lifting support with an automatic locking function for mining equipment and a using method of the lifting support, and relates to the technical field of mining equipment. Thelifting support solves the problems that an existing lifting support for coal mining is poor in supporting effect on cables and pipelines, inconvenient to adjust, prone to damage when being extrudedand the like. The lifting support comprises a side edge protection plate, two adjusting supporting plates are installed on one side of the side edge protection plate, a height adjusting plate is installed on the lower end face of one of the adjusting supporting plates, a supporting guide mechanism is installed on the inner side of the height adjusting plate, and a cable pipeline supporting mechanism is installed on one side of the adjusting supporting plate. Through automatic locking of the lifting support, locking operation can be conveniently carried out during height adjustment, the use safety and stability are improved, and the cables and the pipelines can be conveniently supported and conveyed.