263results about How to "Improve installation firmness" patented technology

The invention discloses an anti-blocking explosion-proof valve which comprises a piston, a valve body, a spring and a connecting shaft. A first through hole is formed in a connecting shaft in a penetrating mode, and a protective cover is installed on the valve body around an outer side of the spring. The valve body comprises a plurality of first air leakage gaps corresponding to the protective cover, and first air holes are formed in a cavity between the first air leakage gaps and the protective cover. The piston comprises a piston body, a breathable membrane and an upper cover, a second through hole longitudinally penetrates through the piston body and corresponds to the first through hole, a plurality of through grooves horizontally penetrate through the second through hole and are connected with the second through hole, and second breathable holes are formed in cavities between the through grooves and the upper cover. The invention further discloses a preparation method of the anti-blocking anti-explosion valve. According to the anti-blocking explosion-proof valve, the protective cover is arranged on the outer side of the spring such that combustion eruption objects are effectively prevented from accumulating and adhering to the spring to shorten the compression stroke of the spring, and the opening effect and the exhaust pressure relief efficiency of the explosion-proof valve are prevented from being affected.

The invention discloses a stone dry-hanging construction process. Steel tube couplers are adopted to build a double-row scaffold, the scaffold body is firmly anchored on a main structure, and putlogs are laid on the scaffold from the top down; a special big plumb or a theodolite is first used for vertically finding out the verticality of stones to be dry-hung, drilling and grooving are carried out, holes which are 8mm to 10mm in diameter are drilled at positions on a wall, which correspond to the grooves and holes of the stone slabs, one end of each stainless steel expansion bolt is inserted into one of the holes and fixed, and after the holes are drilled and the expansion bolts as anchoring parts are fixed, drilling and grooving are then carried out at corresponding positions on the stone slabs, avoiding the positions of rebars on a column or the wall; embedding glue is first filled in the bolt holes, the surfaces are cleaned, the dust in the gaps is cleaned off, plastic adhesive tapes which are 10mm to 15mm wide are stuck close to the gaps, a glue gun is used for filling sealing glue, the surfaces of the stone slabs are cleaned, waxed and polished, and the scaffold is dismantled. By means of the reasonable operation steps, the process can ensure the integrity of the stones, meanwhile, the mounting firmness of the stones is high, consequently, the stones cannot easily come off, and the service lives of the stones are prolonged.

The invention relates to a thread transmission type electronic expansion valve, and belongs to valves. An existing electronic expansion valve is large in running noise, and abrasion or clamping of a magnetic steel sleeve is prone to occurrence; the thread transmission type electronic expansion valve is characterized in that a backward step end face leaning shoulder is arranged on the outer circle face of a front base sleeve, the opening end of a back base sleeve is in butt joint with the step end face leaning shoulder in a fixedly welding manner to form a straight-cylinder-shaped shell with two ends closed, a front section of a nut sleeve is inserted into an inner cavity wall of the front base sleeve, and an end face leaning shoulder on the inner cavity wall and an inward turning edge of the opening end of the front base sleeve are used for limiting and fixing; a valve is installed in a hollow inner cavity of a valve rod sleeve fixed to the magnetic steel sleeve in a penetrating manner, the back end of the valve extends out of the back end of the magnetic steel sleeve, and a spacer bush and a spring arranged outside the valve rod in a sleeving manner are used for back stroke limiting; and the valve rod sleeve is matched with inner threads in an axial through hole of the nut sleeve through outer threads to drive the valve rod to move, a buffer connecting piece connected with the front end of the valve rod is arranged on the front section of the axial through hole of the nut sleeve to conduct guide supporting on the valve rod, circumferential limiting protrusions and limiting leaning shoulders which are matched with each other are arranged for front stroke limiting, and the collision noise and friction are reduced.

The invention provides an automobile triangular window positioning and mounting structure comprising a triangular window, clips, glass cement, an outer cover on the side wall of the automobile body and the like. The triangular window is molded by injecting; the edge of the inner side of the triangular window is provided with a plurality of clip mounting bases; the clip mounting bases and the triangular window are molded integrally by injecting; the clips on the triangular window are fixed in the clip mounting bases; positioning holes are disposed on the frame of the triangular window on the outer cover, wherein the positions of the positioning holes correspond to the positions of the clips on the triangular window; the glass cement is evenly adhered to the periphery of the inner side of the triangular window; and triangular window is fixed on the outer cover by the clips and the glass cement. In the automobile triangular window positioning and mounting structure, the clips are used for mounting the triangular window, the glass cement is used for adhering, fixing and sealing the triangular window, and the clips on the triangular window and the positioning holes disposed on the corresponding positions of the automobile body are used for positioning to improve the mounting precision of triangular window, thus the triangular window can be mounted more firmly, the gaps among the triangular window and the peripheral parts can be kept more uniform.

The invention discloses a passive containment heat exchanger system, comprising a concrete containment; a steel containment, a built-in support member, a built-in heat exchanger, an external support frame, an external air cooler and a penetration member, wherein the steel containment is arranged in the concrete containment; the built-in support member is arranged on the inner wall of the steel containment; the built-in heat exchanger is arranged on a mounting part of the built-in support member; the external air cooler is arranged in an installation cavity of the external support frame; the penetration piece member is arranged on the built-in support member and is in communication with an inlet and an outlet of the built-in heat exchanger, and the two ends of the penetration member extendout of the steel containment and the concrete containment to communicate with an inlet and an outlet of the external air cooler, respectively. The passive containment heat exchanger system disclosed by the embodiment of the invention has a compact structure and saves space, and has the advantages that the seismic performance is improved, the system integrity is ensured and the heat exchange capability is enhanced.

The invention discloses an anti-corrosion fiberglass vertical chemical storage tank, and relates to the technical field of chemical equipment. The storage tank comprises a storage tank body and a base. The base is horizontally arranged, the bottom end of the base is provided with multiple supporting legs which are distributed at equal intervals, the bottom end of each supporting leg is inclined outwards, the top end of the base is fixedly provided with multiple supporting frames which are distributed at equal distances, the supporting frames are erected and fixed to the top end of the base, aclamping plate is arranged at the position, close to the top end, of the inner wall of each supporting frame, the back of each clamping plate is fixedly provided with a shaft rod erected on the clamping plate, and each shaft rod is horizontally put. A tray is arranged on the top end of an adjusting assembly, through cooperation adjusting between two screws of the adjusting assembly, the tray can move to any position from the top end of the adjusting assembly, through fine adjusting of the screws, the tray generates fine moving on the bottom of the storage tank, and through fine adjusting, thetray can be conveniently adjusted to be completely attached to the bottom end of the storage tank.

The invention discloses a novel photoelectric electric vehicle, and belongs to the field of electric vehicles. The novel photoelectric electric vehicle comprises a vehicle body, a handlebar, a front fork, a vehicle seat, a front wheel, a rear wheel, a tool box, a shock absorber, a storage battery, a vehicle lamp and a wheel driving motor which form a two-wheel electric vehicle. An outer shell of the vehicle body comprises a front wall, a pedal plate, a left guard board and a right guard board. The front wall is provided with a front side panel, and the left guard board and the right guard board are located on the two sides of the vehicle seat; the tool box is arranged on the rear side of a vehicle frame, and the outer surface of the tool box, the outer surface of the front side panel, the outer surface of the left guard board and the outer surface of the right guard board are provided with arc-shaped surfaces; and the arc-shaped surface of the front side panel, the arc-shaped surface of the tool box, the arc-shaped surface of the left guard board and the arc-shaped surface of the right guard board are all provided with respectively-corresponding same-shaped bottom face grooves. Arc-shaped surface photoelectric boards in same shape are embedded in the bottom face grooves in the same shape, and a whole surface is formed by the surfaces of the front side panel, the tool box, the left guard board and the right guard board and the arc-shaped surfaces of the corresponding photoelectric boards; and electrode lines of the photoelectric boards are connected with the storage battery, the vehicle lamp and the wheel driving motor through the controller. The problems that the conversion efficiency of an existing photoelectric board is low, and the vehicle is not attractive are solved.

The invention discloses a circulating water purification system and method applicable to lakes. The system comprises a water purification device and ecological floating plates, wherein a connecting device is arranged between every two ecological floating plates; the water purification device comprises a base and a water purification chamber; the water purification chamber is arranged on the base; and the water purification chamber is sequentially provided with a filtering and flocculating chamber, a negative oxyanion electrolysis release chamber, a membrane bioreaction chamber and an oxygen aeration chamber which are sequentially arranged from left to right. The method comprises the following steps: (a) preparing for construction; (b) constructing a temporary cofferdam; (c) pumping water in the construction area; (d) building the water purification device; (e) installing the ecological floating plates; (f) installing a water supply device; and (g) carrying out water conditioning. The system is simple, feasible, scientific and convenient, has the advantages of environment friendliness, no pollution, low cost and high efficiency, and can implement accurate control. The treated lake water is clean and pollution-free. The system well solves the problem of lake water pollution.

The invention provides a display device which comprises a display screen, an insertion part and a camera module. The display screen comprises a display portion and a non-display portion adjacent to the display portion, the display portion is provided with an insertion channel, the insertion part is fixed in the insertion channel and comprises a light-transmitting cover plate, a first boss and a second boss, the first boss and the second boss are respectively arranged on two opposite sides of the light-transmitting cover plate in a protruding mode, the first boss protrudes towards one side of a user, and the second boss protrudes towards the side deviating from the user. The camera module comprises a first lens module and a second lens module, wherein the first lens module and the second lens module are fixed to the first boss and the second boss respectively. The invention provides a mobile terminal. The installing stability of the camera module is improved.

The invention discloses a modulus slot type aluminum profile enclosure which consists of a panel, a rear plate and a modulus slot type frame, wherein round grooves or convex columns are arranged at the four corners in the modulus slot type frame, and multiple dovetail grooves are uniformly arranged on the walls inside; and the panel and the rear plate are fixed in the round grooves or convex columns of the modulus slot type frame by bolts. The dovetail grooves can realize stable insertion of electrical appliances, instruments, meters and electronic circuit boards; and the modulus slot type aluminum profile enclosure can save multiple parts, consumes a few materials, is very simple to assemble, can save energy and reduce consumption, has the characteristics of electromagnetic shielding, strong deformation resistance, safety, reliability and the like, and can realize quick batch production.

The invention provides a composite assembly type building steel structure, and relates to the technical field of steel structure construction. The composite assembly type building steel structure comprises support columns and wallboards, wherein the support columns are vertically arranged on the ground or a cement surface at equal intervals, and the wallboards are arranged between every two adjacent support columns; the bottom of each support column is provided with a bottom fixing foot, and each bottom fixing foot is fixedly installed on the ground or the cement surface; and a plurality of transversely-fixed cross beams are fixedly connected between every two adjacent supporting columns at equal intervals, and a supporting beam is fixedly connected with the middles of every two adjacent cross beams. According to the composite assembly type building steel structure, the supporting columns are erected on the ground or the cement surface at equal intervals, the bottom ends of the supporting columns are installed on the bottom fixing feet and driven into the ground through threaded rods at the bottoms of the bottom fixing feet, and threads on the surfaces of the threaded rods are meshed with soil at the bottom of the ground so that the bottom fixing feet are fixedly installed on the ground; and locking bolts are driven into the edge of a bottom fixing disc at equal intervals so asto lock the peripheries of the bottom fixing feet.

The invention relates to a mounting structure of a photovoltaic bushes. The mounting structure of the photovoltaic bushes comprises a first photovoltaic bush, a second photovoltaic bush, a first plastic strip, a second plastic strip, through screws and reinforcing screws, the first plastic strip is fixed to one side edge of the first photovoltaic bush, the second plastic strip is fixed to one sideedge of the second photovoltaic bush, the first plastic strip and the second plastic strip are mutually clamped, the penetrating screws pierced the first plastic strip and the second plastic strip soas to fix the first plastic strip and the second plastic strip mutually, the reinforcing screws pierced the first plastic strip and the second plastic strip, and the extending direction of the reinforcing screw and the extending direction of the penetrating screw are inclined mutually. The mounting structure of the photovoltaic bushes is firm in connection.

The invention relates to a truss type formwork support for a suspended cast-in-place plate and a using method thereof. The truss type formwork support is mainly suitable for a suspended cast-in-placefloor system in steel structure engineering, structurally comprises a truss chord member and a quick dismounting connector, and is characterized in that the truss chord member comprises a horizontal fixed upper chord member, a bent web and an obliquely upward fixed lower chord member, the quick dismounting connector comprises a vertical plate and a connecting plate, the connecting plate is fixed to the vertical center line of the vertical plate, and the upper chord member and the lower chord member of the truss chord member are fixed to the quick dismounting connector. During installation, theformwork support is pre-screwed on a structural steel beam through bolts, the formwork support and the structural steel beam are hoisted to a corresponding position of the steel column together, fineadjustment is carried out, and the bolts are tightened. During dismounting, the bolts are unscrewed and then screwed off after wood lumps, wood formworks and the like above are detached, and finallythe formwork support is taken down through a lifting hook. The formwork support has the advantages of being low in disassembly and assembly difficulty, high in construction safety and the like. Compared with a traditional full scaffold, the construction progress is accelerated, the steel consumption is reduced, and the cost is reduced.

For achieving a vertical mounting method, further facilitating automatic loading of bucket-structured objects, enabling bucket structures to be loaded without being aligned to a base, greatly simplifying a loading process and achieving firm mounting of the bucket structures, the invention discloses an automated bucket loading system. The automated bucket loading system comprises a base body, a sensing base platform, a jack catch, a pressing type start button, a base internal gear adjusting system and an automatic control system. The automated bucket loading system can greatly reduce the labor intensity of works, accurately and efficiently achieve loading the bucket structures and improves the mounting firmness of the bucket structures on a trailer.

The invention provides a heat preservation integrated wall body non-dismantling formwork capable of being rapidly connected. The heat preservation integrated wall body non-dismantling formwork comprises a non-dismantling outer wall heat preservation formwork, a connecting piece, a non-dismantling inner wall formwork, an inner prefabricated reinforcing mesh and an outer prefabricated reinforcing mesh; the connecting piece comprises a heat preservation layer outer parallel plate, a heat preservation layer web plate, a heat preservation layer inner parallel plate, a pouring layer outer parallel plate, a pouring layer web plate and a pouring layer inner parallel plate; the heat preservation layer outer parallel plate and the heat preservation layer inner parallel plate are perpendicular to the heat preservation layer web plate; the pouring layer outer parallel plate and the pouring layer inner parallel plate are perpendicular to the pouring layer web plate; the heat preservation layer outer parallel plate is connected with the outer prefabricated reinforcing mesh; the pouring layer inner parallel plate is connected with the inner prefabricated reinforcing mesh; and poured wall body main steel bar fixing grooves are formed in the upper end and the lower end of the pouring layer web plate. The heat preservation integrated wall body non-dismantling formwork has the advantages that the structural strength is high, the installation is firm, steel bars in a poured wall body are accurately installed, the quality of the poured wall body is guaranteed, and the construction efficiency is high.

The invention provides a solar photovoltaic power station used on the sea surface, and relates to the technical field of solar power generation. The solar photovoltaic power station comprises a floating plate floating on the sea surface and a fixator arranged at the bottom of the floating plate, the fixator falls into the seabed position, the middle position of the bottom of the floating plate isconnected with a tensioning rope, the bottom of the tensioning rope is fixedly connected to the fixator, a fixed shaft rod is arranged in the middle of the top end of the floating plate, a power generation plate supporting frame is fixed to the top end of the fixed shaft rod, an obliquely-fixed photovoltaic power generation panel is fixedly installed at the top end of the power generation plate supporting frame, and a storage battery is arranged at the bottom of the photovoltaic power generation panel. The obliquely-fixed photovoltaic power generation panel is installed at the top end of the floating plate, the photovoltaic power generation panel absorbs solar energy at the top end of the power generation panel supporting frame, light energy is converted into electric energy through the photovoltaic power generation panel to be stored in the storage battery, and the electric energy stored by the storage battery is used in the later period.

The invention belongs to the technical field of mining machinery equipment manufacturing, and relates to intelligent and rapid installation equipment for high-temperature bearing inner rings of a roller cage shoe and a normal-temperature middle shaft of the roller cage shoe. The bearing inner rings are put in from a feed inlet, the bearing inner rings slide down on lower supporting inclined surface of a bearing inner ring slide way, and the bearing inner ring at the lowermost slides to an opening of the lower end of the bearing inner ring slide way, is blocked by a stop block at the tail end of the bearing inner ring slide way, is positioned and is completely immersed in transformer oil to be heated to 80-100 DEG C. A six-axis robot drives a manipulator, and a first finger and a second finger are immersed under the liquid level of the transformer oil to hold the bearing inner rings tightly, The six-axis robot drives the manipulator, so that the bearing inner rings quickly sleeve mounting sections of the bearing inner rings. According to the intelligent and rapid installation equipment for the high-temperature bearing inner rings of the roller cage shoe and the normal-temperature middle shaft of the roller cage shoe, the intelligent and automatic machining level is improved, the working efficiency is improved, the labor intensity of workers is greatly reduced, the interference amount of assembling is increased, the mounting firmness is improved, the surface scratch of the middle shaft of a roller is avoided, the quality of the roller cage shoe is improved, and the safety ofthe roller cage shoe is improved.

The invention belongs to the field of intelligent cabinet new retail, and discloses a shelf in which an RFID antenna is integrated and a cold closet. The shelf comprises a shelf cover plate and a shelf bottom plate. An RFID antenna containing region is formed between the shelf cover plate and the shelf bottom plate. The RFID antenna is arranged in the RFID antenna containing region. All the corresponding side portions of the shelf cover plate and the shelf bottom plate are connected to extrude and fix the RFID antenna on the inner side. The problem about mounting and fixing of the RFID antennais effectively solved.