114results about How to "Quick and stable installation" patented technology

The invention provides an anti-collision electronic device control box, which relates to the field of electronic devices. The anti-collision electronic device control box includes a fixing plate, four corners of the bottom of the fixing plate are fixedly installed with connecting blocks, and the bottom of the connecting blocks is fixedly connected with the top of the first pressure rod. The bottom end penetrates the first shock absorber and extends to the inside of the first shock absorber and is fixedly connected with the top of the first pressing block. The anti-collision electronic device control box drives the second splint to clamp and fix the front and back of the box through the second shock absorber, and drives the first splint to clamp and fix the left and right sides of the box through the screw, so that the box is clamped and fixed. Reliably fixed, through the first shock absorber and the buffer shock absorption, the fixed plate drives the box body to move along the surface of the guide rod, so as to effectively buffer the box body and make it difficult for the box body to separate from the base. The electronic devices inside the protection box are not easily damaged, and the use cost is effectively reduced.

The invention discloses a numerical-control petroleum workover line mainly applied to the process of petroleum tubing maintenance. The numerical-control petroleum workover line comprises a derrick disposed on a platform. A tubing rack is disposed on the side of the derrick. The numerical-control petroleum workover line is characterized in that a tube conveying chute is arranged at the end of the tube rack, a trolley for pushing tubing to move is arranged on the tube conveying chute, a hydraulic pipe clamp manipulator capable of lifting up one end of a tube and a tube-conveying manipulator capable of gripping the tube which is lifted and lifting and conveying the tube to a next procedure are disposed at the end of the tube conveying chute, main and auxiliary elevators which are used for regulating the tube to the upper middle of the platform and capable of moving up and down are arranged on the derrick, and a hydraulic slip is disposed below the main and auxiliary elevators at the center of the platform. The numerical-control petroleum workover line has the advantages that the whole process of tube mounting and demounting is automated and is fast and stable, and the tube is minimally damaged during mounting and demounting.

The invention provides an anti-collision electronic device control method, which relates to the field of electronic devices. The anti-collision electronic device control box includes a fixed plate, the four corners of the bottom of the fixed plate are fixedly equipped with connection blocks, the bottom of the connection block is fixedly connected with the top of the first pressure rod, and the top of the first pressure rod The bottom end passes through the first shock absorber and extends to the inside of the first shock absorber to be fixedly connected with the top of the first pressure block. The anti-collision electronic device control box drives the second splint to clamp and fix the front and back of the box body through the second shock absorber, and drives the first splint to clamp and fix the left and right sides of the box body through the screw rod, so that the box body Reliably fixed, through the buffering and shock absorption of the first shock absorber and the buffer, the fixed plate drives the box body to move along the surface of the guide rod, thereby effectively cushioning the box body and making it difficult for the box body to detach from the base, thereby The electronic devices inside the protective box are not easily damaged, which effectively reduces the cost of use.

A method for distributing large-sized Linux software packages, in a field of a Linux software distribution, includes steps of: installing a Linux minimal system; obtaining a log file of the installing, and setting a cache of a local download rpm; building an environment for creating iso, and creating a working directory; testing an environment dependency of a developed software and packaging into rpm packages, copying the downloaded rpm packages within the cache into the working directory, and registering; installing tools of createrpo and mkisofs for generating a disc; editing a kickstart file, ks.cfg; generating and modifying a comps.xml to designating the rpm packages and dependencies thereof which are required within a software archive of the system; generating an iso file of gcloud, and verifying with MD5 value. The method is applicable to a large-sized software package distribution by overcoming version verification and vulnerability to network.

The invention discloses a cutting machine for inductive elements capable of cutting legs in batches, which comprises a base, a placing platform is fixedly installed on the top of the base, a placing groove is opened on the top of the placing platform, a fixing plate is placed inside the placing groove, and a fixing plate is placed inside the fixing plate. There are blind holes on the top, and the top of the base and both sides of the placing table are fixedly installed with slide rails, the top of the slide rails is slidably installed with support rods, the top of the support rods is fixedly connected with the bottom of the top plate, and the top of the top plate is fixedly installed There is an electric box, and the inside of the electric box is fixedly equipped with a motor. In the present invention, by setting the cooperation between the driving wheel and the driven wheel, when the driving wheel rotates, it will drive the driven wheel to rotate, and when the driven wheel rotates, it will drive the rotating rod to rotate, so that the gear rod and the rack are matched, so that the motor The chassis is moved to batch cut the inductance components on one line, which saves time and effort by cutting corners in batches.

The invention discloses automatic inner formwork equipment suitable for pipe gallery construction and a construction method thereof. The automatic inner formwork equipment comprises an inner formwork,a moving trolley and a control system, and the control system controls walking of the moving trolley and telescoping reinforcement of telescopic I-beams of the inner formwork. The moving trolley of the equipment can carry the inner formwork to a specified construction site, and the action of placing and spreading the inner formwork can be automatically completed through an automatic loading and unloading mechanism of the moving trolley in cooperation with supporting jacks and the telescopic I-beams of the inner formwork. By adopting the control system for control, the problems that in the prior art, the labor intensity of workers is high, many potential safety hazards exist, the construction efficiency is low and the input cost is high are effectively relieved, and the function of automatic construction is achieved.

Methods and apparatus for a fixation adapter for a handlebar. An apparatus includes a fixation adapter mounted on a handlebar, the fixation adapter including a body having a pin on a bottom surface to secure the body to the handlebar and a latch on a top surface to fixedly lock to a control unit housing, and the control unit housing slidably mounted to the fixation adapter, the control unit housing including a mounting area for mating to the latch of fixation adapter.

The invention provides an antifreeze water meter box easy to install and dismantle. The antifreeze water meter box comprises a water meter box casing, protruded limiting barrels are fixedly arranged on the outer side surfaces of through holes in the two sides of the water meter box casing, semicircular rubber clamp rings are disposed at the inner upper ends and the inner lower ends of the protruded limiting barrels, a heating pipe is mounted in a cavity inside a mounting base plate, two side ends of a water meter body are fixedly clamped in arc-shaped grooves in the surface of a supporting plate through arc-shaped clamping plates, the middle of the upper surface of the water meter box casing is provided with an observation notch, and the surface of an eaves edge at the upper end of the observation notch is matched and connected with a thread cap. Two side ends of a water meter are fixed into arc-shaped grooves in the surface of the supporting plate through bolts II and two groups of arc-shaped clamping plates, the water meter can be mounted in the water meter box casing quickly and stably, the two groups of semicircular rubber clamp rings tightly clamp a water inlet pipe and a water outlet pipe, cold air can be prevented from entering the water meter box casing through slits of the through holes, and when the outdoor temperature is too low, the heating pipe is started, so thatthe water meter can be effectively prevented from being frozen.

The invention relates to a quick-change device for a power battery system of an electric automobile and a battery pack. The quick-change device comprises a fixing bracket and a quick-change bracket, and the quick-change bracket is used for connecting a power battery pack and can be clamped into or drawn out of the fixing bracket in a sliding manner; a locking pressing bar is hinged on the fixing bracket, a locking structure is arranged on the quick-change bracket or the fixing bracket or the locking pressing bar, the locking pressing bar rotates along the hinged position to press the quick-change bracket downwards when the quick-change bracket slides into the fixing bracket, and the locking connection of the fixing bracket, the quick-change bracket and the locking pressing bar is achievedthrough the locking structure. According to the invention, a locking pressing block is matched with the locking structure, so that the mechanical locking of the quick-change bracket in X, Y, Z three directions with six degrees of freedom can be achieved, the connection is more reliable and safer, and the quick locking positioning and quick replacement can be achieved by matching the sliding fit ofthe fixing bracket and the quick-change bracket.

The invention relates to a gravity self-locking type anti-drop ground wire clamp. A single-hook double-tongue fixation wire clamp and a ground wire are connected with the top end of a slide rail through bolts, a fixation wheel at the lower portion of the slide rail is connected with a U-shaped connecting piece through a steering knuckle screw, the U-shaped connecting piece is connected with an insulation push-pull rod inner cylinder, a movable slide block is embedded in a slideway between two fixation wheels on the slide rail, the movable slide block is provided with a movable wheel and is connected with a movable locker, an insulation push-pull rod outer cylinder sleeves the insulation push-pull rod inner cylinder, an insulation tube inner sealing plate is arranged below the insulation push-pull rod inner cylinder in the insulation push-pull rod outer cylinder, the lower end surface of the insulation tube inner sealing plate is provided with an adjusting bolt, one end of a steel wire is fixed to the upper portion of the slide rail, the other end of the steel wire successively bypasses the movable wheel and the two fixation wheels and then is connected with the adjusting bolt, and the lower end portion of the insulation push-pull rod outer cylinder is provided with an operating lever interface. The gravity self-locking type anti-drop ground wire clamp ensures rapid and firm installation of a ground wire in an operation field and realizes an anti-drop function.

The invention relates to a single-hook double-tongue tightening earthing clamp provided with an n-shaped hook and an operating rod connector. The n-shaped hook is connected with the operating rod connector through a steering device. A double-tongue spring clamp plate is disposed in the n-shaped hook. Nuts are disposed on the outer side of one side of the n-shaped hook. The tail of the operating rod connector is hemispherical. A spring pin is mounted on the operating rod connector. The part of the clamp, in contact with a lead, is tightened by the single hook and double tongues, while the part of the clamp, in contact with an insulating operating rod, is angularly variable. The single-hook double-tongue tightening earthing clamp can be operated at all angles and is applicable to flexible use with variable angle devices; the tail of the operating rod connector is hemispherical, so that quick connection with an operating rod is facilitated. Therefore, the problem that the traditional earthing clamp has single operating angle is solved; fast, firm assembly of working site earth wires is ensured, quick connection with the operating rod is facilitated, and the single-hook double-tongue tightening earthing clamp is simple to use, safe and reliable with no need for preparation of additional other types of earthing clamps; the clamp can be assuredly mounted on wires or bus bars at any angle.

The invention discloses a vehicle-mounted mobile phone placing rack capable of being fixed firmly. The vehicle-mounted mobile phone placing rack comprises a support plate, wherein one side of the support plate is provided with a placing groove, and the inner part of the support plate is provided with a containing cavity; an extrusion block is movably mounted at the groove bottom of the placing groove; one end of the extrusion block penetrates through the support plate and extends to the inner part of the containing cavity and is fixedly connected with one side of a pressure plate; and one side of the pressure plate is fixedly connected with one end of a spring. By arranging the placing groove, when a mobile phone is put in the placing groove, the extrusion block moves to the inner part of the containing cavity, and then the pressure plate is matched with a pressure rod to extrude a first piston, so that the first piston moves; when the first piston moves, the liquid in a hydraulic box is extruded, so that the liquid pushes a second piston and a push rod to move; when the push rod moves, a rotating rod is driven to rotate; and when the rotating rod rotates, a clamping plate is pressed on the surface of the mobile phone, thereby achieving the effects of quickly placing and clamping the mobile phone.

The invention discloses an efficient and quick water-saving cleaning device for electronic elements. The cleaning device comprises a water tank; the left side of the water tank is fixedly connected with a left edge plate, and the right side of the water tank is fixedly connected with a right edge plate; vertical plates are welded on the upper surfaces of the left edge plate and the right edge plate separately; a top plate is welded between the top ends of the two vertical plates; an air separation pipe is mounted on the bottom surface of the top plate; and the two ends of the air separation pipe are both of closed structures. The efficient and quick water-saving cleaning device for the electronic elements uses a driving motor for driving a second disc to rotate, and then, uses a projectionon the second disc for pushing a cleaning cylinder to the left side of the driving motor; and when the projection is aligned to a groove, the cleaning cylinder moves to the right side under the elastic force effect of a return spring, and performs a reciprocating motion in the horizontal direction, so that the electric appliance elements placed in the cleaning cylinder are cleaned more thoroughly, the cleaning efficiency is improved, and the labor intensity of workers is relieved.

The invention discloses a spliced durable-type high-current tap structure for a bus duct and a bus jack box. The spliced durable-type high-current tap structure comprises a base housing, the jack box and insulating pressure plates, wherein two sides of the base housing are fixedly connected with reinforcing plates; an inner cavity of the base housing is fixedly connected with conductive connection plates which are arranged at equal distance; the upper parts of conductive clamping pieces arranged at the top parts of the conductive connection plates are fixedly connected with the jack box; one side of each reinforcing plate is fixedly connected with the corresponding insulating pressure plate through locating columns; and the conductive connection plates are connected to the inside of a through opening formed in one side of each insulating pressure plate in a penetrating manner. By the spliced durable-type high-current tap structure, fast assembling and disassembling of the bus duct can be achieved; the disassembling step of the bus duct is simplified; the bus jack box can be stably and quickly installed; the use convenience of the bus duct and the bus jack box is improved; the disassembling difficulty of the bus duct is reduced; and a cable arranged in the bus duct can be quickly installed.

The invention discloses a filter support which comprises a support body and filter clamps installed on the support body. The support body is overall of a square structure, a lens circular hole used for light fetching and camera shooting is formed in the middle of the support body, installation holes where the filter clamps are installed are formed in the two sides of the support body, a clamping groove where a connection ring is installed is formed in the back face of the support body, the periphery of the lens circular hole is surrounded with the clamping groove, a fixing block and a locking mechanism are arranged at the edge of the clamping groove, each filter clamp comprises pressing sheets, thin clamping sheets and clamping sheets, the pressing sheets, the thin clamping sheets and the clamping sheets are sequentially connected, the two ends of each thin clamping sheet are respectively provided with a downwards-curved clamping part, a connecting mechanism is arranged at the top of each pressing sheet, the filter clamps can be rapidly installed on the two sides of the filter support through the connecting mechanisms, and the number of the clamping sheets and the number of the thin clamping sheets of each filter clamp can be adjusted at will. According to the filter support, the support body is overall of the square structure, parasitic light can be prevented from entering the filter support when the filter support is used, filter clamp units can be rapidly and stably installed on the support body, and the camera shooting quality can be guaranteed through the special arrangement of the filter clamps.

The invention discloses a fabricated building wall beam stable connection structure and belongs to the technical field of fabricated building connection. The fabricated building wall beam stable connecting structure comprises a supporting column, wherein a base is fixedly connected to a lower end of the supporting column, a triangular base is fixedly connected to a top face of the supporting column, two cross beams A are hinged to an upper end and a lower end of the supporting column in a bilateral symmetry structure, and a cross beam B is hinged to the lower side of a front end of the triangular base. Through setting a clamping block, when a wallboard is mounted, rapid connection is carried out, bolt connection is replaced, time and labor are saved, the construction period progress is greatly accelerated, meanwhile, the clamping block can be pressed in the positioning groove under the action of a threaded rod, so stability during wallboard connection is improved, a supporting rod A and a supporting rod B are arranged and can be opened under the action of the two-way lead screws, the rapid installation effect is achieved, and meanwhile, supporting force can be provided by the supporting rod A and the supporting rod B, so the cross beam A and the cross beam B have high pressure resistance.

The invention discloses a device capable of mounting and detecting an oil discharging bolt gasket of an oil pan. The device comprises a machine body, wherein an electricity box is arranged at the bottom of the machine body; an electrical control system is arranged on one side of the machine body; a mounting clamp, a height detecting assembly, a bolt screwing assembly and a position detecting assembly are arranged on the machine body; the height detecting assembly is positioned at the upper end of one side of the mounting clamp; the bolt screwing assembly is positioned above the mounting clamp;and the mounting clamp, the height detecting assembly, the bolt screwing assembly, the position detecting assembly and the electricity box are connected with the electrical control system. The devicehas the advantages of being high in stability and detecting speed and precise in detection, improving the working efficiency and reducing the rejection rate.

The invention discloses an automatic clamping and punching machine for electronic devices with adjustable orientation, which comprises a base, and the top of the base is fixedly connected with a symmetrical first support rod and a second support rod, the first support rod and the second support rod A cross bar is arranged between them, the bottom of the cross bar is fixedly connected with a folded plate, the inner wall of the folded plate is fixedly connected with a first motor, the output end of the first motor is fixedly connected with a folded rod, and the end of the folded rod far away from the first motor is provided with a The first bearing, the outside of the first bearing is fixedly connected to the outer surface of the first support rod, the inner wall of the first bearing is fixedly connected to the outer surface of the folding rod, and the outer surface of the folding rod is provided with a second bearing, the second bearing The inner wall of the second bearing is fixedly connected with the outer surface of the folding rod, and the outer surface of the second bearing is fixedly connected with a movable rod. The present invention enables the whole to realize multi-directional drilling, and enables the whole to realize automatic clamping, reduces the participation of workers, and reduces the occurrence of accidental injuries.

The invention discloses an automatic clamping and punching method for an electronic device with adjustable orientation. A second bearing (9) is sleeved on the outer surface of a folding rod (7), and the outer surface of the second bearing (9) is fixedly connected There is a movable rod (10), and the end of the movable rod (10) away from the first bearing (8) is fixedly connected with a pressing plate (11) and then fixedly connected with a symmetrical third electric telescopic rod (22) through the bottom of the operating plate (21). ), the bottoms of the two third electric telescopic rods (22) are fixedly connected to the top of the base (1). The distance between the operating plate (21) and the pressing plate (11) ensures that the electronic board can be placed stably during the drilling process.

The invention discloses a hand-operated long sleeper mounting machine capable of being automatically locked and a long sleeper mounting method. The long sleeper mounting machine comprises a rack and two sleeper hoisting units, and a guide roller mechanism is arranged at the lower part of the rack; the method comprises the following steps: step 1, erecting a steel rail; step 2, sleeper positioning;step 3, erecting a long sleeper mounting machine; step 4, mounting a first sleeper is installed; step 5, moving the long sleeper mounting machine; step 6, mounting the next sleeper; step 7, repeatingthe fifth step to the sixth step till the track panel on the track bed to be laid is laid; and step 8, dismounting the long sleeper mounting machine. The hand-operated long sleeper mounting machine is reasonable in structural design, simple in operation method and safe to use, the long sleeper mounting machine can achieve rapid and stable mounting of sleepers by arranging the two sleeper hoistingunits on the rack, the rail laying speed can be effectively increased, economic benefits are improved, and the wide application and popularization value is achieved in rail traffic construction.

The invention relates to a grounding system of an XP intensive bus duct and a jack box. The grounding system comprises a grounding pin mounted on a jack box body, and a grounding bar fixed on a bus duct cover plate. In the connecting process, the grounding bar is inserted into the grounding pin. According to the grounding system of the XP intensive bus duct and the jack box, through matching of the grounding bar and the grounding pin, the entire outer shell grounding function of the jack box and a bus is achieved, high-capacity power grid power distribution protection is provided to the maximum degree, a reliable grounding path is supplied to ground faults, a shortest path is supplied to ground wire short circuit, the grounding continuity of a power system is guaranteed, mounting is rapid and stable, and the appearance of a bus system is optimized.

The invention discloses a lightning rod for lightning protection engineering, which comprises a mounting base. A mounting slot is formed in the top side of the mounting base. A fixing block is movablymounted in the mounting slot. The top side of the fixing block extends outside of the mounting slot, and a lightning rod body arranged in the vertical direction is fixedly mounted on the top side. L-shaped sliding slots formed in the top side of the mounting base are arranged on the two sides of the mounting slot, and the L-shaped sliding slots are communicated with the mounting slot. An L-shapedsliding rod is mounted in a sliding manner in each L-shaped sliding slot, and one end of each L-shaped sliding rod extends outside of the corresponding L-shaped sliding slot. Positioning slots located in the mounting slot are formed in the two sides of the fixing block. The ends, close to each other, of the two L-shaped sliding rods extend into the mounting slot, and are in sliding connection with the two positioning slots respectively. A sliding groove is formed in the top of each L-shaped sliding rod, and a sliding rod is mounted in a sliding manner in each sliding groove. The lightning rodcan be installed quickly and stably, and the lightning rod can be disassembled quickly and conveniently.

The invention relates to the technical field of refrigeration house wallboards, and discloses a refrigeration house wallboard convenient to assemble. The wallboard comprises a first wallboard body anda second wallboard body; the first wallboard body is located on the left side of the second wallboard body, connecting grooves are formed in the two sides of the first wallboard body, splicing grooves are formed in the groove walls of the two connecting grooves, limiting grooves are formed in the upper sides and the lower sides of the splicing grooves, and elastic limiting mechanisms are arrangedin the limiting grooves; and connecting plates are fixedly arranged on the two sides of the second wallboard body, the connecting plates are in contact connection with the groove walls of the connecting grooves, splicing blocks are fixedly arranged on the other sides of the two connecting plates, the splicing blocks are in contact connection with the groove walls of the splicing grooves, a cavityis formed in the second wallboard body, the two ends of the cavity penetrate through the connecting plates and extend into the splicing blocks, ejection grooves are formed in the upper side and the lower side of the two ends of the cavity and located in the splicing blocks, and an ejection mechanism is arranged in the cavity. According to the wallboard, two adjacent refrigeration house wallboardscan be quickly and stably mounted.

The invention discloses a clavicular fracture closed reduction device, which comprises a bed board, an ejecting mechanism, a right lifting device, a right shoulder pressing plate, a right pressing block, a right pressing block regulating bolt, a right fixed rod, a pillow, a left shoulder pressing plate, a clavicle fixing threaded needle, a left pressing block regulating bolt, a left fixed rod, a left pressing block, a left lifting device and an ejecting mechanism regulating crank; the left fixed rod or the right fixed rod is located on a position of fracture, the clavicle fixing threaded needle is implanted in the outer side end of clavicular fracture, and the clavicle fixing threaded needle is pulled by virtue of a rope and the other end of the clavicle fixing threaded needle is connected to the right fixed rod or the left fixed rod, so that the position reduction of the fracture is regulated; and then, a fixation steel plate, an intramedullary needle or an external fixation frame is mounted for fixation through a minimally invasive percutaneous approach. Compared with the prior art, the closed reduction device disclosed by the invention can facilitate fixation of the clavicular fracture position of a patient and can rapidly and stably achieve reduction and fixation of the clavicular fracture; and the closed reduction device is light in operation wound, high in fracture healing rate, high in operation efficiency, low in patient pain and convenient to use, and the closed reduction device is worthy of popularizing and using.

The invention discloses a portable electronic screen turnover test fixture. The test fixture comprises a platform, a control box, a PG testing box, a carrier and a PCB are arranged on the platform, and the control box is electrically connected with the PG testing box; the PG testing box is electrically connected with the PCB, the carrier is hinged with the platform through a first hinged chain, and an observing hole used for people to observe a to-be-tested electronic screen is formed in one side surface of the carrier; a locating mechanism used for accommodating and fixing the to-be-tested electronic screen is arranged on the other side surface of the carrier, the to-be-tested electronic screen is placed in the locating mechanism, and the front surface of the to-be-tested electronic screen faces towards the observing hole; an FPC is arranged between the back surface of the to-be-tested electronic screen and the PCB, one end of the FPC is electrically connected with the PCB, and the other end of the FPC is electrically connected with the back surface of the to-be-tested electronic screen. The test fixture is simple in structure, convenient to use and easy to carry and reasonably utilizes the space of the platform; through the double-layer structural design of the test fixture platform, the occupied area of the whole test fixture is effectively reduced, and operators can conveniently carry the test fixture when going out.

The invention provides a graphene preparation motor which is easy to disassemble, and relates to the field of graphene preparation. This easy-to-disassemble graphene preparation motor includes a base, the bottom of the base is fixedly equipped with a fixed plate, and the fixed plate is interspersed with bolts, the surface of the bolt is covered with a rubber ring, and the rubber ring The bottom is in contact with the top of the fixed plate, and the two sides of the top of the base are fixedly installed with a casing, and the top of the casing is interspersed with a threaded rod. The easy-to-disassemble motor for graphene preparation, through the improvement of the shell, plays a role in screw rods, nuts, sleeves, cross bars, clamp rods, springs, grooves, nuts, sleeves, support rods and clamps. In this way, the effect of conveniently disassembling the motor for graphene preparation is achieved, which facilitates the normal use of the user, and thus also improves the use efficiency of the motor for graphene preparation, thereby also facilitating the use of the user.

The invention relates to the field of signal receiving devices, and particularly discloses a receiving antennaof an optical communication system. The receiving antenna comprises a mounting base, a fixing structure, a limiting structure, a fixing base, a clamping structure, a locking structure and a protection structure. Through arrangement of the fixing structure, the antenna can be rapidly installed outside a circular electric pole through pressing force, electric poles with different diameters can be connected and fixed, fixation is firm, and through installation of the limiting structure in the installation base, the fixing structure can be automatically limited and fixed, the situation of slippage after the mounting base and the electric pole are mounted and fixed is prevented, limiting release of the fixing structure can be quickly realized through a labor-saving principle, the mounting base can be quickly dismounted and replaced, and the clamping structure is arranged in the fixing base, so that the antenna can be quickly and stably mounted and fixed; and therefore, the effects of saving time and labor and improving the mounting efficiency can be achieved.

The invention discloses a fire-fighting water storage device for warehouse safe prevention. The fire-fighting water storage device for warehouse safe prevention comprises a water storage box body, wherein the upper end in the water storage box body is connected with a filter screen plate; a water storage area is arranged under the filter screen plate; a supporting base is arranged at the end, awayfrom the filter screen plate, of the water storage box body; a fixing groove is formed in the periphery of the outer wall of the end, close to the supporting base, of the water storage box body; a water outlet is fixedly connected to the middle of the end, close to the supporting base, of the water storage box body; and the water outlet communicates with the inside of the water storage box body;the water outlet is provided with a control valve, the filter screen plate and a filter screen can perform double times of filtration, and the blockage of a main pipeline, a fire-fighting pipeline anda watering pipeline is effectively avoided; the water storage box body can be installed more conveniently, rapidly and stably through the supporting base; the water storage box body can be flexibly adjusted according to different installation environments; and a certain auxiliary support function can be realized when the water storage box body is installed on a slope through an inclined supporting column.

A disposable reversible skate blade for an ice skate comprising a thin runner blade held around the edges of a light-weight composite core, and a pair of opposed blade supports, which may be individually replaceable or which may be formed as an integral part of the core. The entire blade assembly is lightweight, easily removable, reversible and replaceable in a skate with little or no requirement for tools, and is inexpensive enough to manufacture that the blade is disposable.