401results about How to "Quick dismantling" patented technology

According to the seawall ecological slope protection structure and the construction method thereof, the seawall ecological slope protection structure comprises a seawall body, the seawall body is filled with mud filling pipe bags, a wave wall is arranged at the top of the seawall body, a bagged gravel layer is laid on the slope surface of the seawall body, a polyurethane gravel protection slope is laid on the bagged gravel layer, and a wave dissipation platform is arranged on the slope surface; according to the seawall, the structural porosity of the seawall can be effectively improved, energy transportation and material exchange between the ocean and the land can be continued, meanwhile, the wave dissipation effect is good, and the structure is resistant to corrosion; the method is simple in form and high in universality, the construction step of cast-in-place concrete of a traditional seawall concrete slope protection structure is basically avoided, the site construction period and maintenance period are greatly shortened, the porosity of the polyurethane gravel slope protection is high, plant growth is facilitated, and the ecological property of the seawall structure is improved; and a good ecological effect can be created.

The utility model relates to a full water tank culvert relocation and relocation butt joint box culvert and a construction method thereof. The full water tank culvert relocation and relocation butt joint box culvert comprises a U-shaped steel sleeve box, a row hole, a ring beam, a new box culvert, an old box culvert and an inspection shaft. The construction method for changing the full water tank culvert into the butt joint box culvert comprises the steps that firstly, the height of a ring beam on a top plate of an old box culvert is increased synchronously, and the ring beam is connected with old box culvert embedded steel bars; 2, a new box culvert is constructed according to design requirements. The butt-joint box culvert has the advantages that the butt-joint box culvert adopts the U-shaped steel sleeve box to block water flow of the box culvert, the cyclic repeated utilization rate is high, the steel plate rigidity is large, the stability of a weir body is guaranteed, the construction period is shortened, and the cost is saved; the U-shaped steel sleeve box is used as a temporary cofferdam in the box culvert and can be quickly mounted and dismounted, and the safety risks of box culvert silt accumulation caused by manual stacking of sandbag cofferdams and underwater manual dismounting are avoided.

The utility model discloses a high-low voltage power distribution cabinet with a fireproof function, which relates to the technical field of power distribution cabinets and comprises a cabinet body, a fireproof mechanism is fixedly mounted at the top of the cabinet body, an alarm mechanism is fixedly mounted at the top in the cabinet body, a mounting seat is fixedly mounted at the lower end in the cabinet body, and a cabinet door is hinged to the front surface of the cabinet body. With the adoption of the structure, the device is provided with the fireproof mechanism, the fire extinguishing agent tank can be conveniently mounted, and the fire extinguishing agent tank is communicated with the conveying pipe frame after the fire extinguishing agent tank, the connecting hose and the valve are fixed through the hand-twisted screw rod; the fire extinguishing agent tank can be quickly disassembled by loosening the sealing screw cap, maintenance and replacement are convenient, the device adopts a physical fusing trigger structure, automatic fire extinguishing is achieved, extra detection is not needed, the stable fire extinguishing performance is achieved, operation is convenient, and the device is suitable for various fire fighting scenes.

The invention discloses a surgical robot for orthopedic surgery, and relates to the technical field of medical equipment. The device comprises a base, a supporting column is fixedly connected to the top of the base, a transverse frame is installed on the top of the supporting column, a supporting seat is fixedly connected to the front side of the transverse frame, mechanical arm bodies are installed on the two sides of the supporting seat, and drilling machines are arranged at the other ends of the mechanical arm bodies; a mounting assembly is arranged at the bottom of the drilling machine and comprises a mounting shell, and the mounting shell is fixedly connected to the output end of the drilling machine. Through the arrangement of the tool changing assembly, when the drill bits are separated from the mounting column, the falling drill bits can be collected through the collecting box, the position of the rotating disc is adjusted, the multiple sets of drill bits of different specifications are arranged at the top of the rotating disc, and when the drill bits are adjusted to the bottom of the mounting column, the drill bits can be pushed upwards to be inserted into the mounting column; automatic drill bit replacement and rapid installation are completed, and a large amount of operation time can be saved.

The invention relates to the technical field of marinated product detection and sampling, and discloses a marinated product processing sanitary safety detection brine sampling device which comprises a plurality of rotating supports installed on a base, one end of each rotating support is connected with a sampling mechanism, the base is provided with an operating rod capable of moving vertically, and the operating rod is used for driving the rotating supports to rotate. The sampling mechanism comprises a sampling barrel movably connected to the rotating support and a capacity regulation and control assembly arranged in the sampling barrel, and the capacity regulation and control assembly comprises a rubber sheet fixedly connected with a barrel body. When the rotating support drives the sampling barrel to move downwards, the pull rope drives the valve plate to leave the barrel cover and drives the tip of the rubber sheet to be arranged upwards at the same time, so that the internal volume of the barrel is reduced, and when the barrel is full of brine and the rotating support rotates reversely, the valve plate abuts against the barrel cover, and meanwhile the tip of the rubber sheet is arranged downwards, so that the internal volume of the barrel is increased. The liquid level of the brine is lower than the port of the barrel, so that quantitative brine can be quickly obtained, and the brine is prevented from overflowing.

The utility model discloses wastewater purification equipment for concrete production, which comprises a reaction box, two sides of the reaction box are respectively communicated with a water adding pipe and a chemical adding pipe, a motor is fixedly mounted at the top of the reaction box, and an output shaft of the motor penetrates and extends into the reaction box to be fixedly provided with a stirring rod through a rotating shaft. The bottom of the reaction box communicates with a water outlet pipe, a water pump is fixedly installed in the reaction box, and a water conveying pipe of the water pump extends outwards and communicates with a purification box. The clamping blocks at the bottom of the filter screen plate are mounted in the purification box in a clamping manner, so that the filter screen plate can be quickly dismounted in the later stage while the mounting firmness is ensured, meshes in the surface of the filter screen plate can be conveniently cleaned, blockage is avoided, and the service life of the filter screen plate is prolonged. In addition, the gravel filter layer is additionally arranged below the filter screen plate, so that the treated wastewater can be precipitated and filtered, fine particle impurities are effectively removed, and the wastewater treatment effect is improved.

The invention relates to the field of irrigation, in particular to an agricultural automatic irrigation machine based on big data, which comprises a stand column, a water supply assembly and a sliding sleeve, a water supply component is connected in the upright post; sliding sleeves are slidably connected to the lower portions of the stand columns. By reducing the size of a cylinder defined by an arc-shaped block I and an arc-shaped block II, the device can be conveniently and quickly disassembled, and the problems that according to existing two sprinkling irrigation means, the disassembly process of a fixed drip irrigation nozzle is tedious, time is extremely consumed, and if the fixed drip irrigation nozzle is not disassembled, large-area useless melon seedlings are easily shoveled away through a plowing machine, so that the labor intensity of the plowing machine is reduced are solved. When the melon seedlings are damaged by a running plowing machine, the self-propelled sprinkling irrigation equipment is easy to press the melon seedlings when walking; meanwhile, when the device is normally used, melon seedlings are prevented from extending upwards through the inverted-circular-truncated-cone-shaped intercepting cover, and it is avoided that the melon seedlings climb and wind the device, irrigation is affected, and follow-up dismounting is difficult.

The invention relates to the technical field of building steel structures, in particular to a building steel structure convenient to assemble, which comprises a first steel frame, and the outer wall of the first steel frame is slidably sleeved with a first sleeve. According to the building steel structure convenient to assemble, by rotating bolts again, the first moving frame and the second moving frame are made to further get close to each other, and at the moment, the first moving frame and the second moving frame can drive the corresponding abutting plates to get close to the four edges of the second steel frame again; along with continuous movement of the abutting plate, the lower end of the abutting plate abuts against a fourth ball and a fourth guide rod, the abutting plate is forced to rotate, the abutting plate rotates and inclines to enable the end of the abutting plate to clamp the outer wall of the second steel frame, and clamping of the four edges enables the second steel frame and the end of the first steel frame below to be aligned on the same straight line. And at the moment, the crane drives the second steel frame to move downwards to finish accurate butt joint.

The utility model relates to an air curtain type flue gas baffle device which is characterized in that an air curtain frame and a baffle frame form a whole, and the wall of the frame is flush with the wall of a flue; the air curtain is fixed on the air curtain frame, and the whole air curtain frame is filled with the air curtain after the air curtain is inflated and expanded; the baffle is connected with the connecting rod and reciprocates in the track groove of the baffle frame under the push-pull action of the connecting rod; the air curtain is arranged in front of the baffle in the direction of smoke flow in the flue. The air curtain baffle door has the advantages that the baffle plate can be sealed by the air curtain capable of being inflated and deflated, and compared with a traditional baffle door, the baffle plate does reciprocating motion in the baffle plate frame, and a complex locking device is not needed.

The invention discloses a tool for live-line mounting and dismounting of a lightning arrester insulating rod, and relates to the technical field of power maintenance. An insulating rod; the clamping mechanism is used for clamping a lightning arrester and comprises a frame body, clamp assemblies, a position adjusting block and a fixing clamp, the frame body is connected with the top end of the insulating rod through a universal locking mechanism, a sliding groove is formed in the frame body in the length direction of the frame body, the position adjusting block is slidably arranged in the sliding groove in a sleeved mode, and the clamp assemblies are fixed to the two ends of the position adjusting block respectively. The distance between the two clamp assemblies corresponds to the distance between porcelain bushings of the lightning arrester. The fixing clamp is arranged at the upper end of the frame body; the bolt disassembling and assembling assembly comprises an electric wrench and a magnetic adsorption sleeve, the electric wrench is fixed to the end of the frame body through a fixing clamp, and the magnetic adsorption sleeve is installed on the electric wrench. The problems that in the prior art, a lightning arrester bolt is not easy to disassemble and assemble, the lightning arrester installation shielding workload is large and the like are solved, the workload of lightning arrester overhaul, installation and replacement is reduced, and the lightning arrester replacement efficiency is improved.

The invention discloses a tool and method for disassembling and assembling a catalytic flue gas turbine rotor, the tool comprises a rotor moving folding support, a coupling side lifting shaft support, a wheel disc side lifting shaft support and a tool guide rail, the rotor moving folding support is used for bearing the flue gas turbine rotor and realizing horizontal movement; the coupler side lifting shaft support is used for lifting a range hood rotor from one side of a coupler through a lifting shaft, the wheel disc side lifting shaft support is used for lifting the range hood rotor from one side of a wheel disc through a lifting shaft, and the tool guide rail is located on the ground and serves as a ground rail to bear all the supports. According to the tool, the operation difficulty of disassembly and assembly can be reduced, the safety coefficient can be greatly improved, accurate control over movement of the rotor can be achieved, the rotor is stably, safely and reliably disassembled and assembled, the traditional method that a plurality of chain blocks are mainly adopted for disassembly and assembly of the range hood rotor is thoroughly changed, and the disassembly and assembly efficiency is improved. And hidden dangers such as accessory damage and personal injury in the disassembly and assembly process are avoided, and the working efficiency is improved.

The utility model relates to the technical field of heat transfer film production, and discloses a uniform coating device for water-based heat transfer film production, which comprises a bottom plate, the top end of the bottom plate is fixedly connected with two supporting plates, the top end of the supporting plate on the front side is fixedly connected with a driving assembly, and the left side of each supporting plate is internally provided with a containing hole. A movable block is slidably connected to the interior of the containing hole, a connecting block is fixedly connected to the left side of the movable block, bearing blocks are fixedly connected to the left side of the connecting block, adjusting rollers are rotatably connected to the close sides of the two bearing blocks, and movable holes are formed in the close sides of the two supporting plates; and a fixed rod is fixedly connected to the interior of the movable hole, and the fixed rod is sleeved with a first strong spring. According to the utility model, the adjusting roller can be adjusted up and down, so that the tension of the base material can be adjusted, the device is suitable for the base materials with different thicknesses, the coating accuracy is ensured, and the coating uniformity is improved.

The utility model relates to the field of aluminum square tubes, in particular to an aluminum square tube convenient to assemble and disassemble, and solves the technical problem that a large amount of time is wasted during replacement due to the fact that the aluminum square tube is fixedly connected with a keel after being damaged. According to the technical scheme, the aluminum square tube convenient to assemble and disassemble comprises an aluminum square tube body, a keel, reinforcing mechanisms, a quick disassembly mechanism and an installation mechanism, the aluminum square tube body is of a U-shaped structure, the keel is installed on the uppermost portion of the aluminum square tube body, the opposite reinforcing mechanisms are arranged on the inner wall of the aluminum square tube body, and the quick disassembly mechanism is slidably connected to the upper portion of the aluminum square tube body; a mounting mechanism is arranged above the quick release mechanism and is connected into the keel in a sliding manner; the aluminum square tube can be quickly mounted and dismounted through the quick dismounting mechanism, the mounting and dismounting time is greatly shortened, the quick dismounting mechanism can be quickly mounted on the keel through the mounting mechanism, and the problem that after the aluminum square tube is damaged, a large amount of time is wasted during replacement due to the fact that the aluminum square tube is fixedly connected with the keel is solved.

The invention belongs to the technical field of marine axle generator manufacturing, and particularly relates to a distributed permanent magnet journal sticking type axle generator, a stator, a rotor, a front split protective large cover (21), a rear split protective large cover (27), a split protective small cover (28) and a tensioning sleeve of the generator are of split structures, and the stator comprises two split stators, namely a left stator (1) and a right stator (2). The two split stators are movably connected; the rotor comprises two split rotors with the same structure, each split rotor (15) comprises a plurality of rotor cores (11), magnetic steel (14) and a split rotor bracket (13), and the two split rotors (15) are movably connected; the tensioning sleeve comprises two split tensioning sleeves (19) of the same structure, and the two split tensioning sleeves are movably connected. And the sectioned stator, the sectioned rotor and the sectioned tensioning sleeve (19) are sequentially sleeved from outside to inside to form a semi-ring shape.

The utility model provides a novel wind-water spray balance adjusting device, which relates to the technical field of wind-water spray adjustment and comprises an outer sleeve, a wind-water spray pipe is arranged in the outer sleeve, a water pipe is fixedly connected to the middle of the wind-water spray pipe, a water flow meter is arranged at one end of the water pipe, and a water outlet is arranged at the other end of the water pipe. A communicating pipe is arranged at the top of the water flow meter, and a water flow filter is arranged in the communicating pipe. A water source flowing through the water flow meter is metered through the water flow meter, the communicating pipe facilitates connection of the water source, the water flow filter in the water flow meter can filter the water source, the water flow meter can be protected, and the metering accuracy of the water flow meter is improved; in the conveying process, the air speed meter provides air speed metering treatment, the water flow and the air speed are metered, the spraying state is conveniently recorded and analyzed, and balance adjustment can be carried out according to requirements.

The invention belongs to the technical field of three-way valves, and particularly discloses a three-way valve welding tool which comprises a workbench, a supporting plate is installed at the middle end of the top of the workbench, a three-way valve is installed above the supporting plate, four guide grooves are evenly formed in the surface of the workbench, and the four guide grooves are formed in the four end faces of the workbench correspondingly. An auxiliary mechanism is arranged above the workbench, a connecting rod mechanism is arranged in the workbench and matched with the auxiliary mechanism, and supporting mechanisms are arranged on the two sides of the supporting plate. Through cooperation of the connecting rod mechanism and the auxiliary mechanism, the welded three-way valve can be quickly dismounted, the auxiliary mechanism has a good fixing effect on the three-way valve, the structure is simple and practical, semi-automatic operation is achieved through the design of the tool, the time cost and labor intensity of manual operation are greatly reduced, and in the same production period, the production efficiency is greatly improved. And more welding tasks can be completed, and the production efficiency is improved.

The utility model relates to the technical field of plate-and-frame filter presses, and discloses a plate-and-frame filter press convenient for unloading, which comprises a rack, two first electric slide rails are fixedly connected to the outer side of the rack, a pressing plate is slidably connected between the two first electric slide rails, an oil cylinder is fixedly connected to the middle of the rack, and a second electric slide rail is fixedly connected to the middle of the oil cylinder. Two second electric sliding rails are fixedly connected to the outer side of the rack, sliding sleeves are slidably connected to the peripheries of the second electric sliding rails, electric telescopic rods are fixedly connected to the interiors of the sliding sleeves, and check blocks are fixedly connected to the output ends of the electric telescopic rods. According to the filter press disclosed by the utility model, the bidirectional screw rod can drive the nut seat to move through the driving motor, and at the moment, the ejector block can be jacked upwards through the connecting block, so that a filter plate on the outer side of the pressing plate moving above can be removed by the U-shaped plate, the working efficiency of the filter press can be improved, and meanwhile, a worker does not need to remove a filter cake by using a tool, so that the labor intensity of the worker is reduced.

The invention belongs to the technical field of bridge rotation weighing construction, and discloses a bridge horizontal rotation construction weighing auxiliary structure, which comprises at least 2n groups of weighing brackets symmetrically arranged on an upper bearing platform, n is a natural number of 2-6, and each group of weighing bracket comprises a weighing tripod, an upper anchoring assembly and a weighing jack, the weighing tripod is detachably installed on the upper bearing platform through an upper anchoring assembly, a weighing jack is arranged between the weighing tripod and the lower bearing platform, the weighing tripod is composed of a cross arm, an inclined strut and a stand column, and the upper anchoring assembly is composed of an anchoring connecting rod, a nut and a base plate. According to the weighing auxiliary structure, the problem that the height difference between the upper bearing platform and the lower bearing platform is large during weighing can be solved, the weighing jack is arranged on the outer side of the upper bearing platform, and the convenience, safety and reliability of construction can be improved. The invention further provides a weighing adjustment method for bridge horizontal rotation construction, the weighing operation construction process can be simplified, the construction efficiency is improved, the construction risk is reduced, and smooth proceeding of engineering is ensured.

The invention discloses a temporary reinforcing device and method suitable for a land wind turbine generator. The temporary reinforcing device comprises a mooring unit, an anchoring unit and an auxiliary lifting unit. The cable tying unit comprises a main cable, a hook-and-loop fastener, an auxiliary cable, a tying cable and an auxiliary lifting cable. The two ends of the main cable can be wound into a telescopic rope loop in a slipknot tying mode. One end of each mooring rope is tied to the main mooring rope, and the other end of each mooring rope is tied to the corresponding anchoring unit; one end of each auxiliary lifting cable is tied to the main cable, and the other end of each auxiliary lifting cable bypasses the corresponding auxiliary lifting unit; the secondary piece of the hook-and-loop fastener is fixed on the main cable, and the primary piece of the hook-and-loop fastener is fixed on the secondary cable; and the other end of the auxiliary cable is connected with the other end of the main cable through the master slice of the magic tape. According to the design, convenience of quick mounting and dismounting and reliability and effectiveness under the extreme weather condition are considered, and the emergency reinforcement requirement of the wind power plant in the face of natural disasters such as typhoon is met.

The utility model discloses a laminated slab strip reinforcing tool which comprises two laminated slab bodies, an upper reinforcing plate is movably arranged above the two laminated slab bodies, a lower reinforcing plate is arranged below the two laminated slab bodies, and two reinforcing assemblies are arranged between the upper reinforcing plate and the lower reinforcing plate. The reinforcing assembly comprises a rectangular plate, a threaded rod, a connecting rod, a limiting block, an inner threaded cylinder, a PVC pipe, a connecting block and a bearing, the threaded rod is fixedly installed on the lower surface of the upper reinforcing plate, the outer side of the threaded rod is movably sleeved with the PVC pipe, the top end of the PVC pipe is fixedly connected with the lower surface of the upper reinforcing plate, and the top end of the PVC pipe is fixedly connected with the lower surface of the upper reinforcing plate. According to the device, the upper reinforcing plate and the lower reinforcing plate can be conveniently and rapidly reinforced and disassembled through the arranged inner threaded cylinder and the threaded rod, the position of the inner threaded cylinder can be conveniently limited through the arranged bearing, the arranged connecting block and the arranged connecting rod, and the phenomenon that the inner threaded cylinder is lost is effectively avoided.

The utility model relates to the technical field of indoor decoration, and discloses an indoor decoration combined background wall which comprises a television cabinet and further comprises decoration cabinets arranged on the two sides of the front side of the television cabinet, the front side of the television cabinet is fixedly connected with a wall board body, and the two sides of the front side of the wall board body are fixedly connected with guide rails. A movable plate is arranged between the front sides of the two guide rails, a television body is arranged on the front side of the movable plate, a positioning shell is fixedly connected to the rear side of the television body, and sockets are fixedly connected to the two sides of the rear side of the positioning shell; the locking assembly is fixedly connected to the inner cavity of the movable plate and comprises a connecting shell; the problems that manpower is consumed when a television is installed on a traditional background wall, later dismounting is tedious, a wallboard needs to be punched in the installation process, the wallboard is prone to being damaged, meanwhile, the television is fixed after being installed, and the installation position of the television cannot be adjusted according to the requirements of home personnel are solved.

The utility model relates to the technical field of LED holographic screens, and discloses an LED latticed holographic screen which comprises a mounting base, four connecting plates are fixedly connected to the cambered surface of the surface of the mounting base, the four connecting plates are evenly distributed in an arc shape, a connecting groove is formed in the center of the top of the mounting base, LED lamp beads are arranged at the top of the mounting base, and the LED lamp beads are arranged in the connecting groove. A mounting mechanism for mounting LED lamp beads is arranged in the connecting groove, fixing pieces are fixedly connected to the two ends of the bottoms of the four connecting plates, mounting holes are formed in the surfaces of the fixing pieces, and a wire groove is formed in the bottom of the mounting base, is horizontally arranged and is fixedly connected to the bottoms of two connecting plates. Through the arrangement of the clamping block, the LED lamp bead can be installed more conveniently and more stably, when the LED lamp bead is damaged, the LED lamp bead can be rapidly disassembled through the shifting rod, and therefore the device is more convenient to use.

This utility model relates to a self-cleaning air inlet protection device and an air handling unit, including a main body assembly and a self-cleaning assembly. The main body assembly includes a first connecting member, a second connecting member, and a protective net. Both the first and second connecting members are cylindrical and connected by a snap-fit ​​structure. The protective net is hemispherical and connects to the second connecting assembly. The self-cleaning assembly includes multiple support rods, a drive shaft, an impeller, and a cleaning brush. The impeller drives the cleaning brush via the drive shaft to clean the convex surface of the protective net. This utility model's self-cleaning air inlet protection device can prevent debris from adhering and is easy to install and disassemble.

The utility model discloses a combined type ceramic cup which comprises a ceramic cup body and a sleeve shell, external threads are arranged on the surface of the ceramic cup body, internal threads are arranged on the inner side of the sleeve shell, the internal threads are in threaded connection with the external threads, so that the ceramic cup body is in threaded connection with the sleeve shell, and a heat insulation layer is arranged between the ceramic cup body and the sleeve shell. By arranging the sleeve shell, the external threads, the internal threads, the heat insulation layer, the first sponge mat, the anti-skid mat, the second sponge mat, the protective shell and the sealing ring, the detachable protective heat preservation device is formed, the sleeve shell is connected with the ceramic cup body through connection of the internal threads and the external threads, and impact force borne by the ceramic cup body is relieved through the first sponge mat and the second sponge mat; and hard collision is resisted through the protective shell, the ceramic cup body is protected, and the ceramic cup body is prevented from being damaged.

The invention discloses a prefabricated assembly mechanism for bridge cover beam construction and a method thereof, and belongs to the technical field of prefabricated cover beam construction. According to the prefabricated assembly mechanism for bridge cover beam construction and the method thereof, after a first telescopic frame is controlled to be unfolded through an electric hydraulic rod, an alignment assembly descends to the position of a base body, when a lower first sliding block slides to extrude a second sliding block, a second telescopic frame is transversely unfolded, and therefore pulleys on the opposite faces of the two corresponding base bodies move to make contact with the base bodies; meanwhile, acting force is continuously applied to enable the piston rod to input liquid in the sealing cylinder into the other sealing cylinder, so that the other piston rod is hydraulically driven to drive the pulley to make contact with the front face and the rear face of the base body, front-back alignment can be conducted on the cover beam piece, and therefore the cover beam piece and the base body can be automatically aligned and straightened; and the alignment operation can be carried out without climbing, so that the operation safety can be greatly improved, and the mounting speed is increased.

The utility model discloses a cable bent tower suitable for dismantling an old arch bridge with structural damage through a cable-stayed buckling method, and belongs to the field of cable bent towers, the cable bent tower comprises two groups of tower frame mechanisms, the two tower frame mechanisms are fixedly connected through a transverse link, each tower frame mechanism comprises a standard knot, and the surface of each standard knot is fixedly connected with a cross beam; through cooperative use of all the devices, the device is simple in structure and convenient to operate, the base, the standard section and the buckling section mechanism are adopted, transverse connection is added at the corresponding height, the sections are connected through flange plates, the requirement for the bearing capacity performance of the inhaul cable in the cable-stayed buckling system is met, meanwhile, rapid assembly and disassembly can be carried out, and the construction cost is reduced. The base, the standard knot, the buckling and hanging knot mechanism, the cross beam and the transverse link are prefabricated in a steel structure processing factory, and the processing precision and quality of the steel structure are higher than those of field processing.

The utility model discloses a split type keyboard keycap convenient to disassemble and assemble, which comprises a key cover and a keycap, a transparent sheet is arranged in the center of the key cover, a plurality of fixing columns are fixedly arranged on the periphery of the lower end of the key cover, an inner groove is arranged at the upper end of the keycap, and a transparent silica gel block is arranged at the bottom of the inner groove. The grooves are formed in the two ends of the key cover and are used for quickly disassembling and assembling the key cover; the bottom end of the key cover is movably connected with the inner groove in a sleeved mode and used for limiting the key cover. The transparent sheet is arranged in the center of the key cover and is used for protecting characters from being abraded; according to the utility model, the interior of the key cap is connected with the light-emitting plate to irradiate the transparent silica gel block, and the transparent sheet is attached to the upper end of the transparent silica gel block, so that the top surface of the key cover is pressed for a long time to generate abrasion, and the transparent silica gel block is not influenced.

The utility model relates to the technical field of vitamin C ethyl ether production, and discloses a vitamin C ethyl ether integrated production device which comprises a feeding pipe, one side of the feeding pipe is fixedly connected with a heating pipe, and one side of the heating pipe is rotationally connected with a fixed table; the stirring structure is arranged on the outer side of the heating pipe; the stirring structure comprises a pipe body arranged on the outer side of the heating pipe, a material scraping plate fixed to the inner side of the pipe body, a rotating shaft rotationally connected to the interior of the material scraping plate, a clamping block arranged on the rotating shaft, a stirring plate fixed to the rotating shaft and a gear fixed to the rotating shaft, and the stirring plate connected with the rotating shaft is used for stirring slurry in the material scraping plate; the pipe bodies can be quickly positioned through the positioning blocks and the positioning holes, the threaded holes in the mounting blocks are matched with the screws to quickly fix the pipe bodies, the pipe bodies can be quickly mounted, and the process is convenient.

The utility model belongs to the technical field of ventilation pipelines, and particularly relates to an air outlet channel hoisting structure for a central air conditioner, which comprises a pair of mounting plates, and lifting components are arranged in the mounting plates; the bottom of the lifting assembly is rotationally connected with a fixing plate. A sliding groove is formed in the inner wall of the fixing plate. The end of the sliding groove is slidably connected with a baffle. A clamping block is arranged in the sliding groove in a sliding fit mode. The bottom of the clamping block is fixedly connected with a ventilation pipeline body. The sliding groove is in a T shape. Through cooperation of the sliding grooves and the baffles, the clamping blocks can be quickly fixed through the baffles after being inserted into the fixing plates, and meanwhile, the T-shaped sliding grooves can be automatically supported after being inserted, so that the ventilation pipeline body is more convenient and faster to mount; and meanwhile, when the ventilation pipeline body is overhauled, the ventilation pipeline body can be quickly disassembled, and therefore convenience of the ventilation pipeline body is improved.