42results about How to "Solve the lack of installation space" patented technology

A photographic wide-angle lens system with internal focusing has a front array (II) of negative refractive power that is rigid within itself and fixed on the object-side, a rear array (III) of positive refractive power that is rigid within itself and fixed on the image side of an aperture diaphragm (A), and a focusing array (II) of positive refractive power having an optical single element (5) that is arranged between the front array (I) and the aperture diaphragm A and is axially movable from a maximum axial position on the object side to a maximum axial position on the image side to vary the focus distance from its maximum to its minimum value. The optical single element of the focusing array (II) has at least one aspheric surface (51, 52) and the image-side end lens (9) of the rear array (III) is configured as a positive, aspheric meniscus lens.

The present invention relates to a vehicle front body structure comprising a cross-sectionally closed front side frame installed to extend in a front-rear direction of a vehicle. The front side frame has a depressed section formed in a lower region of a vehicle-width directional inner wall surface portion thereof in such a manner as to be depressed toward a vehicle-width directional outward side. The front side frame is internally provided with a reinforcing member extending over a front-rear directional dimension of the depressed section. An upper portion of the reinforcing member is joined to at least one of a vehicle-width directional intermediate region of an upper wall portion of the front side frame and an area of the upper wall portion located outward side of the intermediate region, and a lateral portion of the reinforcing member is joined to a wall surface portion corresponding to the depressed section.

The invention discloses a multi-station continuous workpiece stamping device. The device comprises a plurality of lower stamping dies arranged on a machine table according to a stamping sequence and a plurality of upper stamping dies arranged on an upper stamping base. A clamping conveying device for conveying a workpiece to the next station is arranged on the machine table. A rotating device is arranged at the portion, between two stamping stations where workpiece needs to be steered, of the machine table. The distance between any lower stamping die and the adjacent rotating device or a lower stamping die is equal. The rotating device comprises a fixed base installed on the machine table. A rotating air cylinder is arranged on the upper surface of the fixed base. A starting electromagnetic valve controlling the rotating air cylinder to act is arranged on the fixed base. A workpiece positioning block is connected to a rotating base of the rotating air cylinder. Two positioning pins matched with the workpiece to be machined are arranged on the workpiece positioning block. The multi-station continuous workpiece stamping device can be used for horizontally rotating the workpiece by a certain angle in the machining process.

The invention discloses an installation method of comprehensive mechanized filling, coal mining and open-off cutting equipment. The installation method comprises the main steps: carrying out open-off cutting and open-off cutting shoring, laying a rail on the coal wall side, and transporting and installing a scraper conveyer; then, laying a rail in a goaf region, and transporting and installing a support; then making two gaps in a headpiece, and transporting and installing a coal mining machine; then transporting and installing a reversed loader by using a winch in a return air tunnel; finally laying a rail in the goaf region side after advance of the face by 3m, and installing a rear top beam of the support, a tamping mechanism and a porous bottom-dump conveyer. The installation method disclosed by the invention aims at solving the technical problem that the installation space of rear equipment is not enough after filling and coal mining front equipment is mounted, and a brand new method is provided for rapid installation of the comprehensive mechanized filling, coal mining and open-off cutting equipment. The installation method is simple, simple and convenient to operate and wide in practicability.

The invention provides a missile fixing mechanism. The missile fixing mechanism comprises a base, a connecting rod structure, a resetting structure and a starting device; a limiting block is arrangedon the connecting rod structure, a missile is arranged on the base, and the axis of the missile is parallel to the base; the missile fixing mechanism comprises a locking state and an unlocking state;when the missile fixing mechanism is in the locking state, the limiting block is connected with the end face of the missile; when the missile fixing mechanism is in the unlocking state, the limiting block is separated from the end face of the missile; in the radial direction of the missile, the limiting block is located outside the outer surface of the missile; and the missile fixing mechanism canbe switched from the locking state to the unlocking state under the action of the starting device, and the connecting rod structure can be reset under the action of the resetting structure. Accordingto the missile fixing mechanism, the fixing and unlocking of the missile are realized through mutual switching between the two states, the missile fixing mechanism acts on the tail of the missile, the problem of insufficient installation space in the middle of a missile launching device is solved, and the missile fixing mechanism can effectively adapt to a reverse launching form of the missile.

The invention provides a large-scan bridge seismic mitigation and isolation system comprising two main seismic mitigation assemblies which are symmetrically arranged in the longitudinal direction of the bridge surface. Each main seismic mitigation assembly comprises a spherical supporting seat, a transverse damper for transverse energy consumption and a longitudinal damper for longitudinal energy consumption, wherein the spherical supporting seat is internally provided with a shearing force piece. The large-scan bridge seismic mitigation and isolation system has the advantages that longitudinal and transverse seismic mitigation of a bridge is achieved, and the anti-seismic performance requirement of the bridge is met.

The invention provides a mesh fabrics screen length deviation rate detection system based on machine vision. The system comprises an industrial personal computer, a display, a light source, an image acquisition card, an adjustable image acquisition device and an alarm. The adjustable image acquisition device comprises a CCD industrial camera and a mobile device. A network to be detected is arranged between the CCD industrial camera and the light source. The CCD industrial camera is electrically connected with the industrial personal computer through the image acquisition card. The display and the alarm are respectively communicated with the industrial personal computer. The real-time screen image of the CCD industrial camera is transmitted to the industrial personal computer. The industrial personal computer uses a feature extraction method based on coordinates to process an acquired image, and at the same time calculates the length deviation rate of each screen to acquire the extreme value of the deviation rate. Whether a result is within a set deviation rate range is judged. If the result is beyond the set range, the alarm is switched on. According to the invention, manual measurement is replaced; the worker's labor intensity and the missed inspection rate are reduced; and the degree of automation of a netting process is improved.

The invention relates to a pressurizing and oxygenating modular human residential building group in a high-altitude area. The group adopts modular design and comprises a plurality of standard cabins, a connecting node cabin, a connecting aisle cabin, a transition cabin, an equipment cabin, a sewage collecting cabin and large-span space module units, wherein the module units can be freely assembled in the plane direction and the vertical direction and can be freely expanded in function; the standard cabins are used for various functional scene requirements; the connecting node cabin and the connecting aisle cabin are used for space communication and personnel traffic between the standard cabins, between the standard cabins and the transition cabin and between the standard cabins and the large-span space; the transition cabin is used for building group indoor and outdoor pressure transition and personnel access; an intelligent pressurizing and oxygenating system is arranged in the equipment cabin; the sewage collecting cabin is used for collecting and treating sewage and waste in the building group; and the large-span space is used for meeting the requirements of large-scale meetings, large-scale gathering and sports of multiple groups of people. According to the invention, the design requirements of larger space scale, higher supercharging capacity, more living functions and lower-cost operation are met.

The invention discloses a traction converter for a low-floor vehicle. The traction converter comprises a cabinet body, wherein the cabinet body is divided into a front part and a rear part by a middle partition plate, a transmission control unit, a converter module, a plurality of current sensors and a plurality of voltage sensors are installed on the front part of the cabinet body, and an output contactor installation position is formed on the front part of the cabinet body; a CCU case and a fan are installed on the rear part of the cabinet body, and a circuit reactor is installed on the rear part of the cabinet body at the outlet side of the fan. The traction converter disclosed by the invention integrates the CCU case, realizes the module function of the existing double converters by one converter module, and solves the problem of an insufficient roof installation space of the low-floor vehicle; the traction converter disclosed by the invention is powerful in rainproof function, and capable of better avoiding the faults thereof.

The invention discloses a right-angle door opening elevator. The right-angle door opening elevator comprises a hoistway, a lift car guide rail and a counterweight guide rail are arranged on the rear side of the hoistway, a knapsack frame is arranged on the car guide rail in a sliding mode, and a lift car is installed on the knapsack frame; a traction machine is arranged at the top of the counterweight guide rail, a counterweight device capable of moving up and down is arranged on the rear side of the lift car, an installation frame is further arranged at the top of the lift car guide rail, theother end of the installation frame is connected to the tops of two stand columns on the front side of the hoistway, and a first rope head fixing part is arranged at the end, away from the lift car guide rail, of the installation frame; a first guide wheel set is arranged at the upper end of the knapsack frame, and one end of a traction steel belt wound on a traction wheel of a traction machine penetrates through the first guide wheel set and then is connected to the first rope head fixing part; and the other end of the traction steel belt is connected with the counterweight device. The right-angle door opening elevator is simple in structure, and right-angle door opening or three-door opening installed in an aluminum alloy frame structure can be achieved.

The invention discloses a vehicle jumper wire connection device. The vehicle jumper wire connection device comprises a fixing device and connectors. The fixing device comprises a first connecting plate, a second connecting plate, a third connecting plate and a fourth connecting plate, wherein the first connecting plate, the second connecting plate, the third connecting plate and the fourth connecting plate are sequentially and fixedly connected, the first connecting plate is parallel to the third connecting plate, the second connecting plate and the first connecting plate are arranged in an inclined and extending mode, the fourth connecting plate is perpendicularly connected with the third connecting plate, fixing holes are formed in the second connecting plate and / or the third connecting plate, and the connectors are arranged in the fixing holes. According to the vehicle jumper wire connection device, a cable can be connected between compartments in a bridging mode, the size and the weight of the vehicle jumper wire connection device are reduced, reliability, stability and the requirement for the IP protection level of the connectors used for high-voltage jumper wires are not influenced, and the problem that installation space is not enough is effectively solved.

The invention discloses a metal coil splitting machine, and relates to the technical field of splitting machines. The metal coil splitting machine comprises an upper rotating shaft, a lower rotating shaft, an upper slitting cutter, a lower slitting cutter, a cutter face cleaning device, an upper dust suction hood assembly and a lower dust suction hood assembly, wherein the upper rotating shaft andthe lower rotating shaft are arranged in parallel up and down, the upper slitting cutter and the lower slitting cutter are arranged on the two rotating shafts in a cooperative mode, the cutter face cleaning device comprises a base table, a liquid guide pipe and a flexible liquid immersion part, a containing cavity used for containing the upper slitting cutter is formed in the lower side face of the base table, the flexible liquid immersion part is contained in the containing cavity, the liquid guide pipe is led into the containing cavity from the upper side of the base table so as to convey cleaning liquid to the flexible liquid immersion part, the cutter face cleaning device covers the outer side of the upper slitting cutter and is used for wiping the upper slitting cutter, and the upperdust suction hood assembly and the lower dust suction hood assembly cover the outer side of the upper slitting cutter and the outer side of the lower slitting cutter respectively and are used for sucking away dust generated by slitting machining. According to the metal coil splitting machine, metal cuttings and dust which adhere to the blade part of the upper splitting cutter can be effectively removed in time in the working process, meanwhile, the temperature of the blade part of the upper splitting cutter is reduced, and abrasion of the upper splitting cutter is effectively delayed.

The invention provides a car lamp structure used for a car. The structure comprises a support assembly, a decoration element, an optical element and a light distribution element which are connected; at least one light-emitting part is arranged on the surface, facing the decoration element, of the optical element in a protruding manner, the decoration element is provided with at least one through frame body, each light-emitting part partially penetrates the corresponding frame body, and is in clearance fit with the corresponding frame body, the surface, facing the support assembly, of the decoration element is provided with at least one decoration part protruding part in a protruding manner, and the support assembly is provided with at least one through mounting frame; each decoration part protruding part partially penetrates the corresponding mounting frame, and is in clearance fit with the corresponding mounting frame. By the adoption of the technical scheme, the number of steps and flow procedures during mounting can be reduced while space is simplified.

The invention discloses a system for utilizing flue gas waste heat of a coal-fired boiler. The system comprises a boiler, an air preheater, a first-stage low-temperature economizer, an electric dust remover, an induced draft fan, a second-stage low-temperature economizer, a desulfurizing tower and a chimney, wherein the boiler, the air preheater, the first-stage low-temperature economizer, the electric dust remover, the induced draft fan, the second-stage low-temperature economizer, the desulfurizing tower and the chimney are sequentially connected; the two-stage low-temperature economizer andthe one-stage low-temperature economizer both communicate with a side water supply system; the side water supply system comprises a water supply port and a water outlet; a water inlet of the two-stage low-temperature economizer communicates with the water supply port of the side water supply system; a water outlet of the two-stage low-temperature economizer communicates with a water inlet of theone-stage low-temperature economizer through a pipeline; and a water outlet of the one-stage low-temperature economizer communicates with the water outlet of the side water supply system. By means ofthe system, space is saved, a large amount of fuel gas waste heat at the tail of the boiler is recovered, and the dust removal rate of the dust remover and the efficiency of the desulfurizing tower are improved.

The invention relates to an integrated integrating current type module. The integrated integrating current type module comprises a three-path current sampling module, a current integrating unit, a signal processing unit and a communication module, wherein the three-path current sampling module is used for respectively sampling A, B and C-phase currents and transmitting the sampling current to the current integrating unit, integrating processing on the real-time current is carried out by the current integrating unit, the integrating current information after processing is transmitted to the signal processing unit, the integrating current information is uploaded to a monitoring terminal through the communication module, and integrating processing comprises steps that in a three-phase load balance automatic adjustment period, integer multiples of five minutes are taken as one period, a present instantaneous current value is read one time for each second, and the current values are added to a current accumulator register. The integrated integrating current type module is advantaged in that on the condition that a high precision electronic residual current breaker for balance adjustment can not be replaced, the integrated integrating current type module is employed to add to a power distribution network branch circuit in courts for acquiring the phase wire current information on the branch circuit in courts.

The invention relates to a sealing connection structure for expanding and splicing different modules or capable of increasing and reducing pressure. The sealing connection structure comprises a four-way framework, a window frame, a door frame, a flexible airtight connector and a standard flange. The four-way framework is of a three-dimensional structure with the upper surface and the lower surface sealed and the four side vertical surfaces opened. The sealing connection structure is based on the four-way framework, a plurality of window frames are mounted on the four-way framework to form connection node cabins in different forms, or a plurality of window frames and a door frame are mounted on the four-way framework to form a transition cabin. The connecting node cabin is used for building group expansion, and the transition cabin is a closed pressure increasing and reducing space; connection and mounting adjustment between the connection node cabin or the transition cabin and other cabin body modules of the building group are achieved through flexible airtight connection and standard flanges, the standard flanges are mounted on the four-way framework, and the standard flanges are connected through flexible airtight connection. The problem of splicing and grouping different cabins can be solved, so that a combined building space is conveniently built, and the requirements of people for living, working and the like are met.

The invention provides a vehicle, a driving system thereof, and a vehicle driving wheel. The vehicle comprises a frame and a driving system. The driving system comprises the vehicle driving wheel anda driving motor used for driving the vehicle driving wheel to rotate. The vehicle driving wheel comprises a vehicle hub. An inner gear ring is integrally machined on the wall of an inner hole of the vehicle hub, a planet wheel, a planet carrier and a sun wheel which are matched with the inner gear ring are arranged in the inner hole of the vehicle hub, the sun wheel is provided with a connecting end in transmission connection with the driving motor, and the inner gear ring, the planet wheel, the planet carrier and the sun wheel form a planet gear train. By means of the structural advantages ofthe planetary gear train, the large transmission ratio and the large output torque are achieved; and the planetary gear train is arranged in the hub, so the space in the hub is fully utilized, and the space outside the hub is saved, thereby the problem that due to the fact that the transmission ratio and the output torque are increased, the structure is too large, and the installation space is insufficient is solved.

The invention relates to an impregnation device for trickle impregnation of a stator of an electric machine with a synthetic resin which cures under an increase in temperature, the stator having a hollow cylindrical stator core and at least one winding, a drive shaft being arranged coaxially inside the stator and being drivable by a drive motor, at least one holding device being arranged on the drive shaft, by means of which holding device the stator can be detachably connected to the drive shaft.

The invention discloses a method for manufacturing a buried-inductor printed circuit board, comprising forming a cavity on a printed board core board; placing a ring-shaped magnetic core in the cavity; filling a gap between the magnetic core and the printed board core board with cold-buried resin; placing the printed circuit board core board in a vacuum oven to quickly overflow bubbles in the cold-buried resin and cure the resin; grinding the remain surface resin by a grinder; and finally, pressing an outer layer and making an interconnection circuit to realize an inductance function. The method solves the insufficient installation space on the surface of the printed board and improves the assembly density of the printed board.

The invention discloses an auto-reverse moving worktable for a press machine, comprising an ejecting device, a left-right travel coupling, a left-right travel reducer, front-rear travel rollers, a front-rear travel reducer, a front-rear travel coupling and a moving worktable; the ejecting device herein is a double-acting cylinder integrated to the rollers and mounted to the worktable as optimization, the ejecting device provides upward and downward ejections in a die area of the press machine and provides reversing function for the worktable outside the die area, the ejecting device of the worktable and the worktable rollers are combined to finish reversing, the problem that the original structure has a need for different ejecting devices to provide ejecting in the die area and reversing outside the die area, four ejecting devices of a common reversing worktable outside a base are omitted, the auto-reverse moving worktable for the press machine is more reliable and more compact in structure, the cost is reduced, and the problem that the press machine has insufficient lateral mounting space in a workshop is solved.

The invention discloses a riveting machine and a control system and a control and calibration method thereof, and the control system is provided with first to fourth reflective elements, a camera, a light source and the like, so that the camera can detect the position relation between a suction nozzle of the riveting machine and a rivet from the side surface of the riveting machine, and the position relation between the suction nozzle and the rivet can be detected by combining the mounting angles of the reflective elements. The relative position relation of the rivet and the suction nozzle of the riveting machine in the central axis direction of the suction nozzle of the riveting machine and the rivet can be obtained, so that the movement of the displacement table can be controlled through the controller, the central axis of the rivet and the central axis of the suction nozzle of the riveting machine are located on the same straight line, and automatic movement of the displacement table of the riveting machine is achieved; and the space in the direction of the central axis of the riveting machine suction nozzle and the rivet is saved.

The invention discloses a warmer and a mounting structure thereof. The mounting structure comprises a heat exchanger and a first fixing plate used for fixing the heat exchanger to a wall. The heat exchanger is provided with a first connecting part and a second connecting part, and the first connecting part and the second connecting part can be connected with the first fixing plate. When the heat exchanger is in a first state, the first fixing plate can be connected with the first connecting part, and when the heat exchanger is in a second state, the first fixing plate can be connected with the second connecting part. According to the first state, the left side and the right side of the heat exchanger are not reversed, and according to the second state, the left side and the right side of the heat exchanger are reversed. Through the arrangement, by means of the mounting structure of the warmer, the problem that the mounting space for the warmer is insufficient due to different pre-burying positions of water tubes can be solved.