516results about How to "Lower installation height" patented technology

A radial fan, in particular for a gas burner, for premixing air and gas, comprising a housing with a radial fan wheel disposed therein, and a regulation valve for regulating a gas volume, which comprises a valve seat, wherein the valve seat of the regulation valve is formed by a portion of the housing.

A component built-in module of the present invention includes: a flexible substrate that includes a first surface and a second surface on an opposite side of the first surface, the first surface including a concave part recessed in a direction from the first surface toward the second surface; a plurality of electronic components that are mounted on the first surface, mounting heights of the electronic components from the first surface to respective upper surfaces of the electronic components differing from each other; and a resin that seals the first surface. Among the plurality of electronic components, at least an electronic component having a highest mounting height is mounted in the concave part.

The invention provides a bogie for a rail vehicle and a rail vehicle, and relates to rail vehicle technology. The bogie used for rail vehicles includes: a frame, and the frame includes: two side beams and a beam connected between the two side beams, and the two sides of the beam are respectively provided with a wheel-to-axle box device; the wheel-to-axle box device includes a wheel Yes, the wheel set includes the axle and the wheels at both ends of the axle; the two ends of the side beam are provided with a first mounting seat, the primary suspension device is installed under the first mounting seat, and the primary suspension device is located at one end of the axle. By setting the first mounts at both ends of the side beam, the primary suspension device is installed under the first mount, and the primary suspension device is located at one end of the axle, and the primary suspension device is installed in an offset manner. Lower the installation height of the side beams, lower the installation height of the secondary suspension system, and then reduce the height of the car body floor above the bogie area, improving the convenience of passengers in the car.

A switch having terminals that provide from side surfaces of a switch housing for mounting on a substrate. Through-holes are provided in the terminals. A main body is installed in a cutaway part of the substrate to form a gap between the housing side surface and the cutaway part. When soldering a solder connection surface of the terminal to the solder mounting surface of the substrate, flux flows out to a substrate end surface through a space formed continuously between each through-hole and the gap, such that there is no penetration of flux into the interior of the switch. As a result, contact operation is made stable. In addition, the solder connection strength is also improved by forming a solder fillet on the interior surface of the through-hole.

The invention relates to a smoke gas purification device by a semidry process, which is provided with an independent desuperheating tower, comprising a reaction tower provided with an smoke inlet box, a smoke gas outlet, a venturi tube type tower wall arranged on a tower bottom, a water injector arranged on the tower wall and a nozzle for lime dry powder and revert dust; and the smoke gas outlet is connected with an inertia separator, an activated carbon mixer, a bag-type dust remover and a draught fan. The invention is characterized in that the invention is also provided with the desuperheating tower which is provided with a boiler smoke gas inlet manifold, a single-stage water injector, an ash bucket with an ash hole and a gas flue; the gas flue of the desuperheating tower is connected with the smoke inlet box into one unit. The boiler smoke gas disperses within the two towers for cooling, thereby improving the adaptability of a system to a load; the boiler smoke gas particularly can be cooled down urgently to a set temperature in the desuperheating tower; and the reaction tower can be humidified only by evaporation with a little water to complete a deacidifying reaction and remove dioxin, thereby avoiding the disadvantages of scale formation on the tower wall of the prior reaction tower and bag burning of the bag-type dust remover, guaranteeing a sustaining and stable smoke purification process and having the advantages of good purification effect and low energy consumption.

The invention provides a refrigerator with a cooling chamber located at the lower part of the inner side of a freezing inner container. The refrigerator comprises a box body, wherein the box body comprises a storage inner container, the storage inner container comprises the freezing inner container located at the lower part, the cooling chamber is defined at the lower part of the inner side of the freezing inner container, and a storage chamber located above the cooling chamber is defined in the storage inner container; and an evaporator is arranged in the cooling chamber, the cooling chamber occupies the space of the lower part in the freezing inner container, the position of a freezing chamber located above the cooling chamber in the freezing inner container can be effectively lifted, the stooping degree of a user generated during the operation of taking and placing objects from and into the freezing chamber is reduced, and the use experience of the user is improved. A centrifugal fan is located in the cooling chamber and is arranged on the rear side of the evaporator in a backwards-inclined mode, so that the height of the centrifugal fan is reduced, the space occupied by the cooling chamber is reduced so as to expand the space located above the cooling chamber in the freezing inner container, and the storage chamber located above the cooling chamber is defined in the storage inner container.

The invention discloses a method for lifting and installing a whole bridge arch rib. The method includes the following steps of dividing the arch rib into two side arch rib bodies and a middle arch rib body, splicing the side arch rib bodies on a wharf, hoisting the side arch rib bodies to a set position through a floating hoist, erecting a side supporting system and a lifting portal, installing a lifting system, splicing a middle supporting system below the design position of the middle arch rib body, installing the middle arch rib on the upper face of the middle supporting system, arranging a temporary beam at the bottom of an arch foot of the middle arch rib body, arranging a temporary horizontal rope between the two ends of the arch foot, correspondingly connecting the lifting system with the temporary beam, and lifting, horizontally moving, putting down, putting in position, folding and installing the whole middle arch rib body. By means of the method, the requirements for installation quality and precision of the large-span arch rib bridge can be met, section lengths can be flexibly adjusted, section manufacturing quality is optimized, and section in-situ precision is improved.

According to the invention, random wire pins are used as contacts. A group of random wire pin and accessories are arranged on an insulation mounting plate to form a fuzz button inter-board electric connector. The fuzz button inter-board electric connector is in face contact with printed circuit boards. The insertion force is zero. The fuzz button inter-board connector is arranged between upper and lower printed circuit boards, and the printed circuit boards are vertically connected. By superimposing metal pins, pads of the printed circuit boards and wires are in connection without solder pressure and insertion force. The application range of the fuzz button inter-board electric connector is extended. The fuzz button inter-board electric connector can realize a variety of flexible and reliable interconnection solutions, can be used to connect almost all metal surfaces and metal surfaces and wires, can realize flat and compact internal interconnection of the printed circuit boards, can meet extreme environmental conditions of high reliability, high-speed signal, small space and high density, and is an ideal interconnection solution.

The invention discloses a segmental assembling box girder construction technology. A constructed box girder is composed of multiple porous girders. Each porous girder is formed by assembling multiple box girder segments from back to front. When the constructed box girder is constructed, the process includes the following steps that firstly, the box girder segments are prefabricated, wherein all the box girder segments used for forming the constructed box girder are prefabricated in a prefabrication site in a concentrated manner; secondly, the box girder segments are transported, wherein all the box girder segments are transported to the erection position of the constructed box girder through a girder transport vehicle; thirdly, the box girder is erected, wherein the constructed box girder is erected and constructed through a descending bridge girder erection machine, and the descending bridge girder erection machine comprises a bottom horizontal supporting system, a main girder system, a longitudinal moving system, a cantilever crane, an assembling frame and an assembling vehicle; and fourthly, a system is converted, wherein the system is converted after the erection construction process is finished. By the adoption of the segmental assembling box girder construction technology, the technological step is simple, design is reasonable, construction is easy and convenient, a construction process is easy to control, a use effect is good, the segmental assembling box girder assembling process can be simply, conveniently and rapidly finished, and the construction quality is easy to guarantee.

The invention discloses a high-strength insulating support beam and a preparation method thereof. The problem that the existing insulating support beam is low in mechanical strength and poor in electric performance is solved. The insulating support beam comprises a glass cloth layer, wherein the glass cloth layer is immersed with flame-retardant epoxy resin glue solutions or common epoxy resin glue solutions; the flame-retardant epoxy resin glue solutions are glue solutions which are prepared by adding curing agents, curing accelerators, solvents and flame-retardant agents into flame-retardant epoxy resins; and the common epoxy resin glue solutions are glue solutions which are prepared by adding curing agents, curing accelerators, solvents and flame-retardant agents into common epoxy resins. The insulating support beam has the characteristics of high mechanical strength and high electric performance, can be suitable for supporting large-scale and super-huge type electric equipment in an insulating mode, and can be simultaneously suitable for supporting electric facilities with high voltage and extra-high voltage.

The invention discloses a space-borne complex radar antenna high-rigidity biased-type fixed direction pointing mechanism, comprising: an active unfolding locking mechanism, an extension arm, a two-dimensional servo mechanism, a pressing releasing mechanism, and a floating bracket. The pressing releasing mechanism comprises a pressing cup, a supporting component, a pressing rod, a pressing head cover and a vibration damping head cover. The invention provides an effective solution for the installing and fixing of a space-borne complex radar antenna and the tracking and positioning of an in-orbit target. The mechanism has the advantages of small size in envelope, high rigidity in structure and convenience in installation.

An upper cross beam 10 for supporting a rear side of a cab 19 from below is formed as a separate member from a base frame 7. This upper cross beam 10 is separably mounted on left and right column portions 7E of the base frame 7 by using bolts 12. Namely, when an engine 27 is mounted to the base frame 7, the upper cross beam 10 is separated in advance from the base frame 7. Consequently, at the time of the operation of carrying in the engine 27, it merely suffices to vertically hoist or lower the engine 27 by use of a crane. It is thereby possible to carry in the engine 27 between the column portions 7E of the base frame 7 without being hampered by the upper cross beam 10.

The present invention relates to a detector for detecting visible foreign matter in bottled liquid medicines, comprising a base, and a bottle inlet device, a plate rotation device, a light source device, an image capturing device, a bottle clamping and releasing device, and a bottle outlet device fixed on the base. The bottle inlet device is used for advancing the to-be-detected liquid medicine bottles, the liquid medicine bottles are rotated by the plate rotation device to facilitate the image capturing device to detect, the light source device provides light for the liquid medicine bottles, the bottle clamping and releasing device is used for clamping and releasing the liquid medicine bottles, and the detected liquid medicine bottles are removed from the bottle outlet device. The detector is reasonable in structure design, can automatically detect liquid medicine bottles through streamlined operations, does not need artificial detection of foreign matters, prevents subjective errors on artificial detection, and improves work efficiency.

An air-cooled condenser for the condensation of steam by means of air is described, said air-cooled condenser comprising a steam supply line, at least one upwardly directed pipe bundle, to which the steam to be condensed can be supplied, a condensate drain for the drainage of condensed steam and a fan for the air transport to the pipe bundle. The pipe bundle is arranged below the fan in a sidewall of the air-cooled condenser. Several pipe bundles are thereby arranged in such a way that they form a jacket in the form of a polygon extending in the plumb line, wherein said jacket is closed such that it forms an enclosure on all sides.

The invention discloses a fast assembly and disassembly device for a toilet cover, comprising a connecting base and a support, wherein the connecting base is used for being connected with the cover, and the support is used for being connected with a toilet. An upper magnet and a lower magnet are respectively fixed on the connecting base and the support, and the upper magnet of the connecting base is connected with the lower magnet of the support by magnetic attraction. The connecting base and the support are connected by the direct magnetic attraction of the magnets, therefore a lock catch in a traditional fast assembly connecting mechanism is omitted, and the problem of operation space in manual unlocking operation can be solved. Moreover, the mounting height of the cover can be greatly reduced, and the connection between the cover and the toilet is more attractive. Meanwhile, due to the automatic guiding function of attraction of the magnets, the connection between the connecting base and the support is more convenient and faster during assembling. When the connecting base and the support need to be separated, the disassembly separation of the cover and the toilet can be realized just by pulling the cover provided with the connecting base up.