45results about How to "Solve the narrow operating space" patented technology

A unit type clean room has a wide operation space while providing a high air cleaning effect, is unitized and can be easily installed. The unit type clean room is characterized by including: a machine room unit; a front room unit; and a clean room unit, wherein an air conditioner and a fixed air volume device are installed in the machine room unit, the air conditioner is connected to two HEPA filter units installed in the clean room unit via an air duct, the fixed air volume device is connected to a return air chamber installed in the clean room unit via a return air duct to circulate purified air, purified air is always retained in the clean room, and a front room and an air shower are placed in the front room unit.

The invention provides a cleaning device, a cleaning robot and a control method of the cleaning device, and belongs to the technical field of cleaning equipment. The cleaning device comprises a brushdisc, a water absorption rake and a control unit; the brush disc is located at the front end of the water absorption rake in the advancing direction of a cleaning path; when the brush disc is in a lifting state, the control unit can drive the brush disc to incline towards the side away from the ground in the direction opposite to the advancing direction. When the brush disc is in the lifting state, the brush disc can incline towards the side away from the ground in the direction opposite to the advancing direction, therefore, operation space on the peripheral side of the bottom face of the brush disc can be increased, the brush disc can be prevented from blocking the view of a worker, and the difficulty of replacing or maintaining the brush disc can be reduced.

Systems and methods for tuning to reduce reflected power in multiple states are described. The methods include determining values of one or more parameters of an impedance matching circuit so that reflected power is reduced for multiple states. Such a reduction in the reflected power increases a life of a radio frequency generator coupled to the impedance matching circuit while simultaneously processing a substrate using the multiple states.

The invention discloses an integrated connection module structure of a nuclear power station safe shell steel lining. The structure comprises a baseplate ring segment, a haunching area wall plate anda horizontal segment, the baseplate ring segment and the horizontal segment are both horizontally arranged, and the haunching area wall plate is vertically arranged; the baseplate ring segment is fixedly connected with the lower end of the haunching area wall plate, the upper end of the haunching area wall plate is fixedly connected with one end of the horizontal segment, and a first reinforcing joint is arranged on the connection portion of the baseplate ring segment and the haunching area wall plate; a second reinforcing joint is arranged on the connection portion of the haunching area wallplate and the horizontal segment, a third reinforcing joint is arranged at the end, away from the haunching area wall plate, of the horizontal segment, and the baseplate ring segment, the haunching area wall plate, the horizontal segment, the first reinforcing joint, the second reinforcing joint and the third reinforcing joint are integrally assembled into an entirety and then fixedly connected with the lowest layers of the baseplate ring segment and a nuclear power station safe shell steel lining cylinder. The integrated connection module structure has the advantages that module assembly is conducted on an assembly field, hoisting in position at a time is achieved, and the intersecting construction time of construction with an inner shell is reduced.

The invention relates to a let-off device for bottom warp yarn and hair warp yarn in towel rapier loom. The hair beam is fixed on the small wall plate by the support heightening the hair beam. Guide roller for hair warp yarn is set between the hair beam and the tension roller of hair warp yarn and electronic stopping device for bottom warp yarn is set between the back bar and the tension roller of hair warp yarn. The electronic stopping device for hair warp yarn is set between the tension roller for hair warp yarn and slider eye. Because the guide roller for hair warp yarn is added between the hair beam and the tension roller of hair warp yarn the trend of hair warp yarn is changed so that larger operation space is provided for operator and the operator works in great convenience. As the electronic stopping device is used appearance of bad cloth is avoided and the product quality is improved. Not only the product qualified rate is improved but also the machine number operated by one operator is improved. The producing efficiency is improved. The labor and producing cost of enterprise is decreased.

The invention discloses an integrated water-cooling air-cooling heat pump module unit comprises a small cooling tower shell, a cooling system, a refrigerant circulating system and a functional module,wherein the cooling system, the refrigerant circulating system and the functional module are integrated in the small cooling tower shell. The cooling system comprises a fan, a water distributor, a cooling circulating pump, a sprayer, a cooling filler layer and a cooling water tank, and the refrigerant circulating system comprises a low-power compressor, an air cooling fin type heat exchanger, anopen spiral winding type condenser, a four-way valve, an indoor side heat exchanger and a gas-liquid separator; the functional module comprises a liquid storage tank, a drying filter, an electronic expansion valve and a plurality of one-way valves which are connected with one another; the low-power compressor is connected with the air cooling fin type heat exchanger and the open spiral winding type condenser through the four-way valve and then connected with the low-power compressor through the function module, the indoor side heat exchanger, the four-way valve and the gas-liquid separator.

A needle plate base in a multi-thread chain stitch sewing machine with a seam ravel preventing apparatus is divided into a left needle plate base for attaching a needle plate thereto and supporting a swinging support shaft of a thread hanging hook; and a right needle plate base for fixedly supporting a stopper member and a thread handling air cylinder and a stopper air cylinder. The right needle plate base is fastened to a sewing machine bed. The left needle plate base is fastenably and unfastenably fastened to an upper surface of the bed via screw members. Adjustment of stitch performation, and maintenance, e.g., replacement of various kinds of components stored inside the bed, can extremely easily and simply be carried out without having much trouble and requiring labor and time, and therefore, the stitch performation and predetermined ravel preventing function can be constantly surely reproduced.

A cutting device that, after a sheet is stuck on a wafer on a sticking table, cuts the sheet along the outer edge of the wafer. The cutting device includes a robot body disposed besides the sticking table and a cutter blade supported by a tool holding chuck positioned at the front end of the robot body. The cutter blade is detachably attached to the tool holding chuck so as to be replaceable and is arranged so as to cut the sheet in a state that the posture thereof is adjusted along a preset movement track.

The invention provides a combined cofferdam structure and an underwater work platform, and relates to the technical field of underwater foundation construction. The combined cofferdam structure and the underwater work platform are used in water areas close to banks. The combined cofferdam structure comprises a steel sheet pile cofferdam of a semi-enclosing structure. An enclosed space is formed between the steel sheet pile cofferdam and a bank and is filled with island building materials. According to the combined cofferdam structure, the steel sheet pile cofferdam is combined with a built island to form a work platform similar to a land work platform, so that foundation construction is facilitated, and the construction speed is increased; steel sheet piles are driven around the built island, so that pollution to rivers is effectively avoided; and the soil and water pressures on the inner side and outer side of the steel sheet piles are kept approximately balanced, so that extra supporting is not needed anymore, the problem of a narrow operation space caused by arrangement of internal support pieces of a conventional steel sheet pile cofferdam is solved, and materials are saved.

The invention provides a brush disc structure and a cleaning robot, and relates to the technical field of cleaning devices. The brush disc structure comprises a mounting and dismounting frame and a brush disc, wherein the brush disc can be clamped at the bottom of the cleaning robot; the mounting and dismounting frame comprises a hinge part; the hinge part is hinged to the bottom of the cleaning robot; the mounting and dismounting frame can be connected with the brush disc and can rotate with the hinge part as the rotating center so as to drive the brush disc to be clamped to the bottom of thecleaning robot or drive the brush disc to be disengaged from the bottom of the cleaning robot. The mounting and dismounting frame in the brush disc structure provided by the invention is used for mounting and dismounting the brush disc; the abutting part of the mounting and dismounting frame can limit the position of the brush disc, the butt joint accuracy between the brush disc and the cleaningrobot is improved, the holding part of the mounting and dismounting frame is close to the peripheral wall of the cleaning robot, a wider operation space can be provided for operators, and then the mounting and dismounting process of the brush disc is simplified.

The invention discloses a probe card structure, and relates to the field of integrated circuits. The probe card structure comprises a circuit board, a fixing ring, a probe cantilever bearing ring and a test probe, the circuit board is provided with a detection window, and a test circuit is arranged in the circuit board; the probe cantilever bearing ring is fixed below the circuit board through the fixing ring, and the lower end of the probe cantilever bearing ring is located below the detection window; the top end of the test probe is welded on the back surface of the circuit board, the test probe is connected with the test circuit in the circuit board, and the lower half part of the test probe is fixed at the bottom of the probe cantilever bearing ring; the tip of the test probe is exposed below the detection window; the problem that a detection window on a traditional probe card is small and is difficult to adapt to special detection conditions is solved. When the probe card is used for detecting a chip, a wide operation space and a wide observation field can be provided.

The invention provides a gantry crane for mounting equipment. The gantry crane comprises two parallel slide rails, sliding wheels, a support frame, a cross beam and an electric hoist, wherein the foursliding wheels are mounted at the bottom of the support frame, the electric hoist is slidably arranged on the cross beam in the length direction of the cross beam, one end of the cross beam is fixedon the support frame, the other end of the cross beam extends out of the support frame by a preset length, a hoisting space is formed in the support frame, and the electric hoist can slide a hoisted heavy object in a reciprocating mode within the range from the extending end of the cross beam to the hoisting space. The gantry crane for mounting the equipment can be used for movably hoisting heavyobjects at different positions, is small in occupied area and low in cost, can be universally used for hoisting indoor heavy objects, and equipment moving, debugging and mounting is facilitated.

The invention discloses an integrated water-cooling low-temperature type air-cooling heat pump module unit which comprises a small cooling tower shell, a cooling system, a refrigerant circulating system and a functional module. The cooling system, the refrigerant circulating system and the functional module are integrated in the small cooling tower shell. The cooling system comprises a fan, a water distributor, a cooling circulating pump, a sprayer, a cooling filler layer and a cooling water tank, and the refrigerant circulating system comprises a low-power compressor, an air cooling fin typeheat exchanger, an open spiral winding type condenser, an indoor side heat exchanger and a gas-liquid separator; the functional module comprises a liquid storage tank, a drying filter, an economizer and a plurality of electronic expansion valves which are connected with one another; and the low-power compressor is connected with the open spiral winding type condenser, a three-way valve and the aircooling fin type heat exchanger through a four-way valve and then is divided into a main loop and an auxiliary EVI loop. The main loop is connected with the low-power compressor through the functionmodule, the indoor side heat exchanger and the gas-liquid separator, and the auxiliary EVI loop is directly connected with the low-power compressor through the function module.

The invention discloses a forged steel node building-steel-structure connecting method. The method is characterized in that a lower connecting plate is in butt joint with a left upper connecting plate and a right upper connecting plate in a small-angle oblique crossing node connecting mode through a Y-shaped forged steel node component, the forged steel node component is of a symmetrical or eccentric Y-shaped structure, and the forky folded angle of a node of the forged steel node component adopts a circular arc with the radius being 50 mm for transition; and butt joint adopts gas metal arc welding. According to the forged steel node building-steel-structure connecting method, compared with the prior art, welding is convenient, the operating space is wide, the welding quality is easy to ensure, welding deformation and rectifying are avoided, overlapping of node residual stress is well relieved, the difficult problems of connecting and welding of thick-steel-plate small-angle oblique connecting in a building steel structure are effectively solved, and thus a thick-steel-plate small-angle oblique-connecting node can be widely applied to the building steel structure.

The invention relates to the technical field of power distribution cabinets, and discloses an expandable power distribution cabinet utilizing a pulley lifting principle, which comprises a cabinet body. A cabinet door is hinged to the exterior of the cabinet body; the exterior of the cabinet body is movably connected with a height adjusting button and an unfolding adjusting button; a driving pulleyand a driven pulley are fixedly connected to the interior of the cabinet body; the exteriors of the driving pulley and the driven pulley are movably connected with a conveying belt; a rotating rod ismovably connected to the interior of the cabinet body; a fixed gear is fixedly connected to the outer part of the rotating rod. Through matched use among the driving pulley, the driven pulley, the conveying belt and a lifting sliding block, the effect of adjusting the lifting sliding block is achieved, a first unfolding gear is conveniently adjusted to be engaged with different second unfolding gears, the effect of unfolding different equipment mounting plates is achieved, and electrical elements on the different equipment mounting plates are conveniently mounted and maintained.

The invention relates to a method for obliquely inserting and mounting a high-voltage bushing once through an intelligent protractor. The method comprises the following steps of installing an 'intelligent tool kit' software on an intelligent cellphone, clicking an 'angle' option, enabling the long edge of the intelligent cellphone to be parallelly leaned to and attached to an oblique flange face (2a) of an interface of high-voltage equipment (2), wherein the protractor is displayed in a cellphone window of the intelligent cellphone, and then recording the oblique angle of the flange face; then slinging the high-voltage bushing in the air, and regulating the oblique state of the high-voltage bushing, wherein an oil chamber end at the upper part of the high-voltage bushing is in a high position and the tail end (10) of the high-voltage bushing is in a low position; enabling the long edge of the intelligent cellphone to be parallelly leaned to and attached to a flange face (1b) of the interface of the dangling high-voltage bushing, continuing regulating the oblique degree of the high-voltage bushing until the oblique angle of the flange face of the interface of the high-voltage bushing showed by the protractor is consistent with the oblique angle of the flange face of the interface of the high-voltage equipment, and obliquely inserting the tail end of the high-voltage bushing into the interface of the high-voltage equipment so that the mounting is completed. The method disclosed by the invention is time-saving and labor-saving. According to the method disclosed by the invention, personal security risks and equipment security risks in obliquely inserting and mounting the high-voltage bushing can be reduced, and high-voltage bushing obliquely inserting and mounting the high-voltage bushing can be completed once.

The present invention provides a taltirelin (formula I) tetrahydrate alpha crystal form crystal preparation method, particularly to a method for preparing a taltirelin tetrahydrate alpha crystal form crystal by using a beater. The method specifically comprises: adding taltirelin to a non-protonic solvent, stirring, and using crystallization of the temperature difference method, solid-liquid separation, and drying to obtain the taltirelin alpha crystal form crystal. The method is characterized in that the stirring is specifically the complete stirring at a temperature of 20-60 DEG C by using a beater, the stirring speed is controlled to 300-500 r/min, and the non-protonic solvent is tetrahydrofuran, ethyl acetate, acetone, and acetonitrile. According to the present invention, the method has characteristics of good process stability, strong operability, high yield, and the like; and the obtained product has characteristics of low free water content, melting point close to the upper limit of the standard value, easy formulation processing, storage, and transportation, and the like. The formula I is defined in the instruction.

The invention discloses a conveniently installed skylight structure and a method for installing the skylight. The skylight structure includes a window frame, a sash frame and sash glass installed on the sash frame, and the sash frame is installed above the window frame. The outer surface of the window frame is also provided with overlapping edges, which protrude outward relative to the outer surface of the window frame, and the overlapping edges surround the circumference of the window frame to form a closed ring, and the bottom surface of the overlapping edges All points are located on the same plane; a sealing strip is also fixed on the bottom surface of the overlapping edge, and the sealing strip forms a closed ring around the circumference of the window frame. The installation method is the installation method of the skylight structure, and the skylight structure and installation method provided by this solution can realize the rapid installation of the skylight.

The invention discloses a laminectomy retractor with a function of opening the surgical operation space. The laminectomy retractor comprises a reverse-toothed pry arm, a first connecting plate, a second connecting plate and a hand-held retraction plate, wherein the reverse-toothed pry arm and the second connecting plate are inclined toward the front lower side; the rear upper end of the reverse-toothed pry arm is connected with the front end of the first connecting plate, and the rear end of the first connecting plate is connected with the front lower end of the second connecting plate; the rear upper end of the second connecting plate is fixedly connected with the front end of the hand-held retraction plate; the reverse-toothed pry arm is formed into a tile-shaped structure, the front endface of the reverse-toothed pry arm is depressed backward to form an arc surface. The laminectomy retractor has the beneficial effects that the design of arc depression of the reverse-toothed pry armand two-reverse-toothed hooks at the tail end of the reverse-toothed pry arm can be used for dispersing the stress formed by muscle tension, when the reverse-toothed pry arm is put on the lateral side of the laminectomy, a window is formed in the first connecting plate, a probe is exposed to locate a transverse process, the upper side of the first connecting plate and the front side of the secondconnecting plate can form a large surgical field and space, so that the surgical operation space on the front outer side of the reverse-toothed pry arm can further extends toward the rear upper side,the clinical pedicle screw fixtion speed and accuracy and the intertransverse fusion efficiency can be improved.