67results about How to "Improve connection fixation effect" patented technology

The invention relates to the technical field of valves, in particular to a portable sewage draining valve for a dining hall. The portable sewage draining valve comprises a valve body, a connecting structure, a sealing structure, an adjusting structure, a treading structure and a filtering structure; and the connecting structure is arranged, the valve body can be quickly connected and fixed with sewers at bottom ends of vegetable washing tanks with different diameters, the sealing structure is arranged, the tightness between the valve body and a sewer can be realized conveniently, the conditionof water leakage is prevented, the treading structure is arranged, the drainage of sewage in a vegetable washing tank can be controlled by feet, therefore the drainage of the sewage in the vegetablewashing tank is not required to be controlled by hands, hands can be liberated, the hands can act on other works, the secondary pollution of the hands can be avoided, the cleanness of washing vegetables can be improved, while the treading structure works, the treading structure can act on the filtering structure , the filtering structure is arranged, broken vegetable leaves inside vegetable washing water can be intercepted and filtered, and accordingly the situation that the broken vegetable leaves block the sewer can be avoided.

The invention provides a ballastless-track-slab die. The ballastless-track-slab die comprises a bottom die and a rectangular cavity defined by left and right end dies and front and back side dies. The rectangular cavity is used for manufacturing a track slab, a bottom die slab is fixedly installed on a bottom die frame, and the bottom die frame is fixedly installed on a base; the lower extended sections of the left and right end dies and the front and back side dies are connected with the bottom die through bolts, the left extended sections and the right extended sections of the left and right end dies and the left extended sections and the right extended sections of the front and back side dies are connected correspondingly through bolts, and fastener bolt-hole embedded parts are transversely and symmetrically installed in a bearing-rail-bed preformed groove; and a track-slab connecting bolt-hole embedded part is vertically installed in a track-slab connecting preformed hole, semi-circle terrace dies are arranged in the middles of the inner side walls of left and right end die slabs, a plurality of longitudinal prestress stretch-draw-rod mounting holes are further formed in the left and right end die slabs, and a plurality of transverse prestress stretch-draw-rod mounting holes and slant prestress stretch-draw-rod mounting holes are formed in side die slabs. According to the ballastless-track-slab die, the airtightness is good, and the high-strength and firmly and stably connected track slab can be manufactured.

The invention relates to the technical field of molds and discloses an adjustable type mold machining mechanism with a good clamping effect. The adjustable type mold machining mechanism with the goodclamping effect comprises a base, a cushion block is fixedly installed at the top of the base, a supporting table is fixedly installed at the top of the cushion block, a fixed seat is fixedly installed at the top of the supporting table, and a clamping mechanism is fixedly installed at the top of the fixed seat. Supporting mechanisms located on two sides of the supporting table are fixedly installed between the opposite sides of the fixed seat and the base, transverse plates are fixedly installed on two sides of the fixed seat separately, vertical rods are fixedly installed between the opposite sides of the transverse plates and the base, and fastening mechanisms located at the top of the base are fixedly installed at the ends, away from the transverse plates, of the vertical rods. Side plates located on two sides of the transverse plates are fixedly installed at the top of the base, fixed sleeves are fixedly installed on the outer sides of the side plates, and adjusting air cylindersclamped to the inner sides of the fixed sleeves are arranged on the outer sides of the side plates. The adjustable type mold machining mechanism with the good clamping effect achieves firmer clampingand a good machining effect, and is convenient for workers to use.

The invention relates to a special material mixing device for cement processing. The special material mixing device comprises a shell; a buffer layer is arranged between the shell and an inner cavity,the top of the inner cavity is provided with a water spraying device, and the right side of the water spraying device is connected to an inlet; a plurality of conveying pipes are correspondingly connected to the inlet, one-way valves and flow meters are arranged on the plurality of conveying pipes, and the bottom of the material inlet is connected to a baffle device; and a first stirring device,a second stirring device and a third stirring device are correspondingly arranged on the inner wall of the inner cavity, and the first stirring device, the second stirring device and the third stirring device are connected to a motor fixed on the outer wall of the shell. According to the special material mixing device, the structure is simple, the stability of the structure is improved through thebuffer layer, the baffle plate is designed to effectively buffer the lower sliding force, and the stirring uniformity is improved by coordinating with the first stirring device, the second stirring device and the third stirring device; and the working efficiency and precision are improved, through the use of a damping plate, the connection compactness and the safety of the structure are enhanced,and the service life is prolonged.

The invention provides a remote teaching display device based on Internet education. The remote teaching display device comprises mounting bases, expansion bolts, a threaded screw rod, a sliding block, a turntable, a frame, a positioning seat, a guide rod, a right protective plate and a driving bevel gear, wherein the mounting bases are symmetrically welded to the left and right end faces of a fixed base; the expansion bolts are inserted into the mounting bases; the lower end surface of the fixed base has a round frame; the positioning seat is mounted on the lower end surface of the frame; thesliding block is installed on the lower sides of the left end face of the frame; the annular side face in the sliding block is engaged with the threaded lead screw; the driving bevel gear is mountedon the lower side in the right protective plate. By means of the design, the problems that the height of an original display device is inconvenient to adjust and the practicability is poor are solved,and the structure is reasonable, and the display device has the remote teaching function, and the height of the display device can be adjusted conveniently.

The invention discloses a highway engineering safety supporting device and a manufacturing method thereof. According to the key points of the technical scheme, the highway engineering safety supporting device comprises a foundation pile and a mounting table, a connecting part is fixedly connected to the top of the foundation pile, supporting plates are connected to the two sides of the connecting part correspondingly, inserting blocks are arranged on the two sides of each supporting plate correspondingly, inserting grooves allowing the inserting blocks to be inserted are formed in the two sides of the connecting part correspondingly, the bottoms of the supporting plates are fixedly connected with the mounting table, and a fastening assembly is arranged between every two adjacent supporting plates; and a hollow groove is formed in each supporting plate, a plurality of inclined reinforcing rods are jointly and fixedly connected to the inner walls of the two sides of each hollow groove, a supporting assembly used for improving the supporting performance is arranged at the center of the end face of each supporting plate, and a plurality of drainage holes are formed in the lower end of each supporting plate. The supporting strength between the supporting plates and the ground can be effectively improved, and then the overall structure of the highway engineering safety supporting device is firmer.

The invention belongs to the technical field of medical auxiliary rehabilitation equipment and particularly relates to a rehabilitation device for knee joint motion range training. The rehabilitationdevice can be used for knee joint motion range training after knee arthroplasty. Continuous arc array of pulleys is realized through a rehabilitator body support to guarantee that at least two groupsof pulleys still contact with the ground when a patient moves to a knee joint extreme position, and resistance-free motion of the pulleys is guaranteed by height difference of the pulleys. Therefore,joint injuries caused by failure in control or improper exercise of the patient when a maximum knee joint extending angle and / or knee joint bending angle is reached is avoided; in addition, overstraining of the patient is avoided, rehabilitation training time of the patient can be prolonged, and knee joint motion range training effects are further improved.

The invention provides a building construction anti-falling device convenient to disassemble and with the alarm function. The building construction anti-falling device convenient to disassemble and with the alarm function comprises a fixed frame and a movable frame, wherein the movable frame is arranged outside the fixed frame in a sleeving manner. According to the building construction anti-falling device convenient to disassemble and with the alarm function, the installation structure is mainly used for fixedly installing the device outside the support, a U-shaped connecting piece is arranged so that the device can be rapidly and horizontally installed outside the support, a positioning shaft is installed on the inner side of the connecting piece, the connecting piece positioning shaft can be clamped with a round hole in the support, so the connecting piece can be stably clamped on the support, the whole device can be effectively connected with the support, meanwhile, the fixing assembly is arranged and matched with the positioning shaft for installation, the connecting fixity of the positioning shaft is further improved, and the support and the connecting piece are effectively connected; and installation is firmer and is not easily influenced by the external environment.

The invention discloses an LED lamp capable of being regulated in multiple angles and used for stage illumination. The LED lamp comprises an LED lamp body, an upper rotating mechanism and a horizonalrotating mechanism, wherein the upper rotating mechanism is arranged at the top end of the LED lamp body; the horizonal rotating mechanism is arranged at one horizontal side of the LED lamp body; an extending line of the upper rotating mechanism and an extending line of the horizonal rotating mechanism are perpendicular to each body in the LED lamp body; the upper rotating mechanism is parallel toan upper transmission shaft; the horizonal rotating mechanism is parallel to a horizonal transmission shaft; and the upper rotating mechanism, the horizonal rotating mechanism, the upper transmissionshaft and the horizonal transmission shaft are arranged at the top through an L-shaped support frame. A suspended LED lamp is improved, so that the LED lamp can realize angle regulation in the horizontal direction and the vertical directions through the transmission of the rotating mechanism at the upper side; the problem of the limitation that lamp light tracking and angle regulation can only beperformed on the ground is solved; the field consumption is effectively reduced; the activity place is flatter; and the occurrence of accidents is prevented.

The invention discloses a connecting part reinforcing device in bridge maintenance and relates to the field of bridge maintenance. The connecting part reinforcing device comprises a bridge pavement, multiple sets of connecting rod assemblies arranged in parallel and a cross beam plate for connecting and fixing the multiple sets of connecting rod assemblies, the multiple sets of connecting rod assemblies and the cross beam plate are arranged in an open groove in the crack of the bridge pavement, and each connecting rod assembly comprises a sleeve, a connecting rod and a plug. According to the invention, the plug connecting end arranged at the end part of the connecting rod is in threaded connection with the plug; when the plug connecting end is ejected into the plug, a conical ejector headmakes contact with the inner end of a claw nail, the triangular nail-shaped part of the claw nail is ejected outwards, the outer end of the claw nail is ejected out and pierces into the inner wall ofthe connecting hole groove at the moment, the plug is effectively prevented from falling out of the connecting hole groove, and compared with a traditional expansion bolt connecting mode, the connecting and fixing effect is greatly enhanced.

The invention discloses a movable step slope cushion and mainly relates to the field of civil engineering. The movable step slope cushion comprises a storage cavity and a moving device, wherein a doorway is arranged at one end of the storage cavity; a fixed block is arranged in the storage cavity and provided with a moving groove; an opening is formed in the end, close to the doorway, of the moving groove; a slider is glidingly arranged in the moving groove; a flat plate is arranged at the upper end of the slider; a slope plate is obliquely arranged at the outer end of the slider; positioningholes are formed in two ends of the slope plate; the moving device comprises two support blocks, a screw is arranged between the two support blocks, a drive motor is arranged at one end of the screw,a nut is arranged on the screw, an L-shaped connecting rod is arranged on the nut, a moving rod is arranged at a horizontal end of the connecting rod, and a positioning rod is arranged at one end of the moving rod and can be placed into the positioning holes. The movable step slope cushion has the following beneficial effects: problems in the prior art can be solved as many as possible, roller compaction on the platform edge is reduced, traffic hindering is avoided, the platform is protected, the service life is prolonged, capital destruction is reduced, and passage effect can be improved.

The invention discloses a modularized cooling capacity sharing device. The modularized cooling capacity sharing device comprises a shell, a semiconductor refrigeration sheet cold end is mounted on oneside of the shell, and a fixed sharing assembly is mounted on one side of the semiconductor refrigeration sheet cold end. The modularized cooling capacity sharing device is scientific and reasonablein structure and safe and convenient to use, a semiconductor refrigeration sheet is arranged, through the role of the semiconductor refrigeration sheet cold end and the semiconductor refrigeration sheet hot end, the purpose of refrigeration is achieved, then the use of a ventilation plate, an air exhaust fan and a first cold air shared channel, the transmission of the cold air is accelerated, thecold air generated by the semiconductor refrigeration sheet is transmitted and led to the first cold air sharing channel for use, the refrigeration time is reduced, the refrigeration cost is reduced,the use range is wider, the fixed sharing assembly is arranged, through role of a first mounting plate, a connecting groove and a limiting groove, the installation and disassembly of the first mounting plate are facilitated, a cold air blowing module, a refrigeration module and a plurality of modules are conveniently fixed simultaneously, and the work efficiency is improved.

The invention relates to the technical field of railway vehicles and particularly relates to a folding shed windshield structure of a railway vehicle. A welding column is fixedly connected with a transition plate frame, a fixing bolt is in threaded connection with the transition plate frame, a butt joint plate is detachably connected with the transition plate frame, a clamping piece is fixedly connected with the butt joint plate, a windshield is fixedly connected with the butt joint plate, when installing and connecting the windshield, the transition plate frame is firstly welded and fixed with a carriage through welding columns, then the windshield is connected and fixed with the butt joint plate, a protrusion of the butt joint plate is inserted into a mounting groove of the transition plate frame, the protrusion is clamped with the mounting groove, clamping pieces on the two sides of the protrusion are inserted into clamping grooves in the two sides of the mounting groove respectively, the transition plate frame and the butt joint plate are firmly clamped and fixed, and the fixing bolt is rotated to be inserted into the fixing hole in the butt joint plate. The connecting and fixing effect of the transition plate frame and the butt joint plate is enhanced, and a problem that flash seams are prone to occurring due to the fact that an existing folding shed windshield is not enough in locking force is solved.

The invention discloses a double-layer heat-insulating and adsorbing plastic cup cover, comprising: an inner sheath, an outer sheath is arranged on the outside of the inner sheath, the inner sheath is concentric with the outer sheath, and the inner sheath The top and bottom of the sheath and the outer sheath are respectively connected to form a closed cavity. The inner wall of the inner sheath is provided with several tapered holes, and the center of the tapered hole is provided with a closed container. Ventilation holes connected to the cavities. Through the above method, the double-layer heat-insulating and adsorbing plastic cup sleeve of the present invention has a double-layer structure and good heat insulation effect. After the inner sheath is attached to the outside of the cup, press the outer sheath to discharge the gas in the closed cavity , Loosen the outer sheath, the outer sheath elastically recovers to form a negative pressure at the tapered hole, adsorbed on the surface of the cup, which improves the connection fixity between the inner sheath and the cup, avoids the problem of the inner sheath slipping, and improves the use stability.

The invention discloses an in-vehicle atmosphere lamp set with a hidden appearance, which comprises an inserting rod, a first connecting end, an electrifying body, a light emitting diode, a second connecting end and a current integration block, the two sides of the current integration block and the second connecting end are of an integrated structure, the inserting rod is fixedly connected with the first connecting end, the first connecting end and the electrifying body are of an integrated structure, and the inserting rod is fixedly connected with the electrifying body. The light-emitting diode is electrically connected with the electrifying body, and the side end of the light-emitting diode is connected with the second connecting end; after the two sides of the current integration block are further improved, the operation temperature of the current integration block can be controlled through the newly-added heat dissipation end, meanwhile, the refrigeration pipes on the two sides can conduct refrigeration continuously after an automobile is started, refrigeration can be conducted in the light-emitting diode, and the service life of the light-emitting diode is prolonged. Therefore, the heat generated in the use process of the light-emitting diode is offset with the low temperature, so that the light-emitting diode is kept in a constant-temperature state, and fire caused by the high temperature is cut off.

The invention provides a display screen device for an elevator door and a channel door. The display screen device comprises a protective frame, fixing screws, a fixing base, anti-slip soft rubber pads, hanging blocks, a positioning seat, a fixing clamping plate and a tightening bolt, wherein the fixing base is attached to the upper side of the front end surface of a mounting groove, the fixing screws are mounted on the upper side of the front end surface of the fixing base, the hanging blocks are welded to the lower side of the front end surface of the fixing base, the anti-slip soft rubber pads adhere to the front end surface of the fixing base, the protective frame is attached to the lower end surface of a liquid crystal display screen, the positioning seat is clamped and mounted on thelower end surface of the protective frame, the fixing clamping plate is attached to the upper end surface of the liquid crystal display screen, and the tightening bolt is mounted on the upper end surface of the fixing clamping plate. The design solves the problems that an existing display screen is inconvenient to mount, and the elevator door is not provided with the corresponding display screen,the display screen device is reasonable in structure, the display screen is convenient to mount, and the idle space is fully utilized.

The invention discloses a sliding block pin for a die casting mold. The sliding block pin comprises a cylindrical rod and a first tapered rod, and further comprises a second tapered rod and a head round block, wherein the tail end of the cylindrical rod is connected with the front end of the first tapered rod; the second tapered rod is connected with the tail end of the first tapered rod; the head round block is arranged at the front end of the cylindrical rod; a first flat table surface is formed in the excircle of the head round block in a concave manner; a second flat table surface is formed in the excircle of the second tapered rod in a concave manner; and a U-shaped groove is formed in the tail end of the second tapered rod in a concave manner. According to the invention, the first flat table surface, the second flat table surface and the U-shaped groove are fitted, so that the connection fastness of a sliding block and a mold component can be enhanced, the positioning is fast, the mounting and the dismounting are highly convenient, the work efficiency is improved, the loosening possibility is low, and the use stability is high.

The invention discloses a classification display device for multi-case analysis of laws, which comprises a fixing plate, the rear side of the fixing plate is fixedly connected with a magnet plate, the front side of the fixing plate is provided with a plurality of connecting grooves, the plurality of connecting grooves are oppositely arranged in a matched manner, the front side of the fixing plate is provided with a connecting plate, and the connecting plate is fixedly connected with the magnet plate. Two deep grooves are symmetrically formed in the side, close to the fixing plate, of the connecting plate, connecting rods are slidably arranged in the two deep grooves in a sleeved mode, the connecting rods penetrate through the deep grooves and are correspondingly arranged with the connecting grooves and the magnet plates in a matched mode, fourth springs are fixedly connected to the positions, located in the deep grooves, of the connecting rods, and the other sides of the fourth springs are fixedly connected with the deep grooves. And two moving grooves are symmetrically formed in the left side and the right side of the connecting plate. Various different fixing operations are arranged, corresponding adjustment can be conducted according to the actual working condition, the overall stabilizing effect is good, and case analysis and research operation work can be conducted more conveniently.

The invention discloses a storable creative workbench for art design, and relates to the technical field of creative workbenches for art design. The problem that the whole structure is not easy to disassemble and assemble is solved. The workbench specifically comprises a connecting base, bottom plates are arranged on the outer walls of the two sides of the connecting base, storage grooves are formed in the outer walls of the two sides of the tops of the two bottom plates, the inner wall of one end of each storage groove is connected with a supporting rod through a rotating shaft, and the top ends of every two supporting rods are connected with a fixing base through a clamping mechanism; connecting rods are arranged on the outer walls of the tops of the connecting base, clamping bases are arranged on the outer walls of the tops of the connecting rods, fixing plates are connected to the outer walls of the tops of the clamping bases through two sets of fixing mechanisms, bearing grooves are formed in the outer walls of the opposite sides of the bottoms of the two fixing bases, and clamping base plates are clamped to the inner walls of the two bearing grooves correspondingly. A first table plate and a second table plate are arranged on the outer walls of the opposite sides of the two clamping base plates correspondingly. The problem that bolts are used for fixing and cannot be effectively disassembled is solved.

The invention provides an adjustable type non-return fireproof valve, comprising an adjusting rod, a wear-resistant nylon rope, fixed bolts, a fireproof valve plate, a slide wheel, a first magnet piece, a counterweight block and a limiting steel ball, wherein upper and lower sides of the right end surface of the non-return fireproof valve body are symmetrically equipped with the fixed bolts; the fireproof valve plate is mounted inside the non-return fireproof valve body; the left side of the fireproof valve plate is equipped with the slide wheel; the lower side of the right end surface of the fireproof valve plate is welded with the counterweight block; the lower side of the right end surface of the fireproof valve plate is equipped with the first magnet piece; the adjusting rod is inserted into the fixed rod in a penetrating mode; the middle position of the ring-shaped side surface of the adjusting rod is wound with the war-resistant nylon rope; and the limiting steel ball is mounted at the right side inside a fixed rod. The design solves the problem that the original non-return fireproof valve is nonadjustable in opening angle, is reasonable in design, conveniently adjusts the opening angle inside the non-return fireproof valve, is simple in structure, and is low in use cost.

The invention provides a transmission detection device used for a recreational machine. The device includes a self-locking rod I, an arc board I, an arc board II, a self-locking rod II, a connection rod, a pen sleeve, a pencil, a round plate and a motor-driven telescopic rod. The arc board I is mounted on a lower end face of the self-locking rod I. The arc board II is mounted on an upper end face of the self-locking rod II. By the design, an aim of connecting the device provided by the invention with a transmission shaft of the recreational machine quickly is achieved and problems of simple structure, high failure rate and poor fixing effect of a prior connection mechanism for a recreational machine and a transmission detection device are solved. The pen sleeve is mounted on the upper end face of the connection rod. The left end of the pencil is mounted in the pen sleeve. The round plate is mounted on the right end of an annular side face of the rotary shaft. The left end of the motor-driven telescopic rod is connected with the round plate. The design solves a problem of poor directness of the prior transmission detection device for the recreational machine. The device provided by the invention is convenient in use, good in directness, good in stability and high in reliability.

The invention discloses a high strength anti-fracturing insulating brick for building construction. The insulating brick comprises an insulating brick body, the insulating brick body comprises a high-temperature outer brick body, the high-temperature outer brick body is internally provided with an inner cavity, the inner cavity is internally provided with a high-strength inner brick body, the outside surface of the high-strength inner brick body is fixedly connected with the inner side surface of a high-strength outer brick body, and the outer side of the high-strength inner brick body comprises a brick body outer layer. According to the high strength anti-fracturing insulating brick for building construction, through a vertical building connection trough and a transverse building connection trough, the insulating brick body can be conveniently applied to the building, the connection and fixing of the insulating brick body and cement are improved, so that the stability of the insulating brick body is improved, and the insulating brick body is prevented from fracturing; the insulating brick body is connected with the high-strength inner brick body through a vertical reinforcing rodand a transverse reinforcing rod, the stable strength of the brick body is improved, so that the insulating brick body is not easy to fracture, and the advantages of high strength and anti-fracturingare realized, thereby the problem that the existing insulating brick is low in strength and easy to fracture resulting in low building quality and low safety can be effectively solved.

The invention relates to a special internal fixation device for proximal tibia joint osteotomy, which comprises a supporting steel plate and a plurality of locking screws, the supporting steel plate is composed of a proximal head, a middle connecting part and a distal tail which are sequentially connected and integrally formed, and locking screw holes are respectively formed in the proximal head and the distal tail. The middle connecting part is further provided with locking / pressurizing combined holes, the locking screws are arranged in the locking screw holes and the locking / pressurizing combined holes respectively in a matched mode, the locking screw holes in the near-end head comprise a first screw hole, a second screw hole and a third screw hole which are horizontally arranged and additional screw holes located in the corner positions of the lower portion of the near-end head, and the additional screw holes are matched with the first screw hole, the second screw hole and the third screw hole. The mounting angle of the additional screw hole meets the condition that the direction of the locking screw placed in the additional screw hole is perpendicular to the osteotomy surface of the tibia intercondylar bulge. A more stable knee joint biomechanical environment can be provided for treating introversion knee osteoarthritis by combining the proximal tibia with osteotomy, and compared with existing steel plate internal fixation, the knee joint internal fixation device is firmer and more reliable.

The invention discloses an underground concrete pipeline connection reinforcing device for highway engineering. The underground concrete pipeline connection reinforcing device comprises pipelines, connecting devices, fixing devices, sealing assemblies and adjusting assemblies, wherein the fixing devices are located on the outer side of the pipelines and the connecting devices and used for fixing the positions of the pipelines and the connecting devices, each fixing device comprises a limiting assembly connected to the connecting device and used for fixing the position of the connecting device, the sealing assemblies are located on the inner sides of the connecting devices and used for sealing the pipelines and the connecting devices, and the adjusting assemblies are located between the connecting devices and the pipelines and used for adjusting the connecting angles of the pipelines. According to the underground concrete pipeline connection reinforcing device, the limiting assemblies in the fixing devices are used for limiting the positions of connecting pipes and the pipelines, the sealing assemblies can effectively improve the sealing performance between the pipelines and the connecting devices, and the adjusting assemblies can limit the inclination angles of pipeline connection, cracking of the pipeline connecting positions is avoided, and the pipeline connecting and fixing effect is effectively improved.

The invention relates to an airborne smoke bar spreading device. The airborne smoke bar spreading device comprises a plurality of smoke bars and a spreading shell body; the multiple smoke bars are installed on the spreading shell body, and the multiple smoke bars are parallel to each other and are arranged and distributed into a linear row in a spaced mode; due to the fact that the multiple smokebars fixed to the spreading shell body are parallel to each other and arranged and distributed into the linear row in a spaced mode, so that the structure can effectively reduce wind drag, and the structure can be applied to a high-speed airplane; in addition, structurally, the airborne smoke bar spreading device can be divided into a plurality of similar areas, the areas enable the gravity of theairborne smoke bar spreading device be in a dispersed distributed state, namely, the gravity of the airborne smoke bar spreading device of the structure is not concentrated on a certain point or in several limited areas, so that the local stress of an installing position on the airplane is greatly reduced, and damage is reduced; and furthermore, smoke bars of various specifications and differentfunctions can be adopted, and the general applicability of the airborne smoke bar spreading device can be further enhanced.

The invention relates to a special mixing device for cement processing, which includes a shell, a buffer layer is arranged between the shell and the inner cavity, a water spray device is arranged on the top of the inner cavity, and the right side of the water spray device is connected to the inlet, so The inlets are respectively connected with a plurality of conveying pipes, the plurality of conveying pipes are provided with a one-way valve and a flow meter, the bottom of the feeding port is connected with a baffle device, and the inner wall of the inner cavity is respectively provided with a first stirring device , a second stirring device and a third stirring device, the first stirring device, the second stirring device and the third stirring device are connected to a motor fixed on the outer wall of the casing. The invention has a simple structure, the buffer layer improves the stability of the structure, the baffle plate is designed to effectively buffer the impact force of the downfall, cooperates with the first, second and third stirring devices to improve the uniformity of stirring, improve work efficiency and precision, and strengthen through the use of shock absorbing plates The connection of the structure is tight and safe, prolonging the service life.

The invention discloses a gas compressing device special for gas power generation. The gas compressing device comprises a protective shell, a pressurizing cavity is arranged in the protective shell, adriving impeller, a balance impeller and a conveying impeller are sequentially arranged in the pressurizing cavity, the driving impeller is connected with the balance impeller through a first guide rod, the balance impeller is connected with the conveying impeller through a second guide rod, air inlet pipelines are arranged at the upper end and the lower end of the front side of the pressurizingcavity, a driving motor is arranged on the outer wall of the center of the front side of the pressurizing cavity and connected with the driving impeller, and a diffuser is arranged on the rear side ofthe pressurizing cavity, corresponds to the conveying impeller and is connected with an air outlet pipe. The gas compressing device is simple in structure and novel in design, the driving impeller, the balance impeller and the conveying impeller are connected with one another to replace a traditional connecting structure of the impeller and a flow regulating device, so that mutual interference caused by unstable gas pressure between the blades and the flow regulating device is effectively eradicated, and the pressurizing efficiency of the whole air compressing device is effectively improved.