66results about How to "Lengthen or shorten" patented technology

The invention belongs to the field of mechanical processing equipment, and in particular discloses stainless steel cylinder polishing wire-drawing treatment equipment which comprises a bottom plate, an adjusting module, a driving motor, an outer cylinder grinding disc, an inner cylinder grinding disc, a centering support and a connecting rotating shaft, wherein the bottom plate is placed on the ground; an adjusting module is arranged on the upper surface of the bottom plate; the driving motor is mounted on the adjusting module; the inclination angle of an axis of the driving motor can be adjusted through the adjusting module; and the outer cylinder grinding disc, the inner cylinder grinding disc and the centering support are detachably mounted on the connecting rotating shaft coaxially. By adopting the equipment, automatic shrinkage adjustment on a polishing wire-drawing radius is achieved under the centrifugal action of the outer cylinder grinding disc and the inner cylinder grinding disc, then operation of polishing and wire-drawing is completed at one time, and the generation efficiency is improved.

A method of craneless mounting or demounting of a wind turbine blade of a wind turbine is presented. The wind turbine includes a tower on top of which a machine housing is arranged, the machine housing comprising a hub from which a number of wind turbine blades extend substantially radially, and wherein the wind turbine blade comprises a root end and a tip end.; The method comprising the steps of : a) attaching a first cable via a first attachment means to the wind turbine blade at a first longitudinal position of the blade, b) attaching the first cable to a first upper loading means arranged at the machine housing, c) arranging an intermediate cable guiding means between the first attachment means and the first upper loading means at a first distance from the first attachment means, d) attaching a second cable via a second attachment means to the wind turbine blade at a second longitudinal position of the blade, and e) attaching the second cable to the intermediate cable guiding means at a second distance from the second attachment means.; The method further comprises the step of moving the blade between a horizontal position and a vertical position by: f) varying a length of the first cable and/or varying a length of the second cable so that the first distance (11) and/or the second distance (12) are varied.

The invention discloses a light emitting control circuit and a driving method thereof, a display panel and a display device. The light emitting control circuit comprises multiple cascaded shift registers, wherein an input signal end of the first-level shift register is connected with an initial signal end, and a frame initial signal of a valid level having set duration is inputted by the initial signal end to the first-level shift register. When brightness of the display panel is adjusted, 4N units of duration is taken as a step to prolong or shorten duration of the valid level of the frame initial signal based on the present frame initial signal, and light emitting control signals outputted by the various-level shift registers are made to correspondingly prolong or shorten same duration of the valid level. When the 4N units of duration is taken as the step to adjust duration of the valid level of the frame initial signal, brightness step type change of the display panel can be avoided, brightness adjustment of the display panel is made to be smoother, and display brightness is more uniform.

The invention discloses a positioned full-automatic concrete paving finisher. The positioned full-automatic concrete paving finisher comprises a power assembly and main control panel, an automatic conveying system, a shifting traveling system, a hydraulic adjustment system, a chain assembly, a paving leveling system, a demounting/mounting frame, a movable frame, a laser transceiver assembly and a chain assembly. The positioned full-automatic concrete paving finisher integrates construction steps such as laser control positioning, hydraulic level adjustment, concrete conveying, automatic paving finishing, vibrating slurry mixing, material pushing and slicking, and shifting to change position, and thus is capable of completing the entire flow from concrete paving to laser leveling; all the steps can be completed by only one person easily; the finisher is high in accuracy, light in weight and simple to operate, and thus is capable of achieving the purposes of meeting the requirement on high precision, saving the labor and reducing the labor intensity; besides, the finisher is capable of realizing paving finishing on the horizontal plane, the single slope and the double slopes easily. The finisher is free from complex control program software, and thus is convenient to repair, and consequently, the cost can be reduced and the failure rate of the finisher is reduced; as a result, the finisher is convenient to popularize and utilize.

The invention relates to a building concrete pouring platform, and belongs to the technical field of concrete pouring. The building concrete pouring platform comprises a platform plate and two supporting beams, the two supporting beams are parallel to each other, a moving seat is slidably arranged on each supporting beam in the self length direction, and a supporting piece is fixedly arranged between the two moving seats; and the platform plate is slidably arranged on the supporting piece, a driving assembly for driving the platform plate to slide along the supporting piece is arranged on eachmoving seat, and a driving mechanism used for driving each moving seat to move along the corresponding supporting beam is arranged on each moving seat. During constructing, a worker stands on the platform plate for conducting the concrete pouring operation, the worker directly stands on a steel rib framework for preventing from falling into the steel rib framework, the work efficiency is improved, deforming and displacing of the steel rib framework are avoided simultaneously, and the pouring quality is improved.

The invention provides an adjusting device used for improving soil. The device comprises a supporting base, a stirring box is welded to the middle of the outer surface of the supporting base, a firstmotor is fixedly installed on the top of the stirring box, a rotary shaft of the first motor extends to the inside of the stirring box and is in transmission connection with a stirring rod through a coupler, a water outlet in the bottom of the stirring box is fixedly connected with a first water outlet pipe, and the bottom of the first water outlet pipe extends to the bottom of the supporting baseand sleeved with a connecting sleeve. The bottom of the connecting sleeve is sleeved with a second water outlet pipe, and a sprayer is fixedly connected with the bottom of the second water outlet pipe. By means of the adjusting device used for improving the soil can adjust the height between the sprayer and the ground soil, the flexible degree is improved so that the sprayer can be suitable for the soil of different heights, the situation that the soil is over high and the sprayer enters the soil to result in sprayer blocking is avoided, the maintenance time is shortened, and the working efficiency of the device used for improving the soil is improved.

The invention discloses a six-shaft robot capable of moving freely. A base comprises a hollow base main body and a base cover body covering the base main body. The side wall of the base main body is provided with long-striped-shaped guiding through holes formed obliquely. The base main body is internally provided with two rolling wheel mechanisms arranged symmetrically front and back. The base cover body is internally provided with a rolling wheel driving mechanism. A small arm of the robot is provided with an extending arm body capable of swinging, and a bending function is given to the small arm through the swinging extending arm body. In the actual operation process, the rolling wheel driving mechanism drives the two rolling wheel mechanisms to act, and the two rolling wheel mechanisms drive rolling wheels arranged on the two rolling wheel mechanisms to obliquely move along the guiding through holes; and thus, the downgoing rollers make contact with the ground to jack up the base, and the whole robot can move freely.

The invention discloses a village power supply auxiliary climbing-up device. The village power supply auxiliary climbing-high device includes a left ladder and a right ladder of which the top portionsare hinged together, the left ladder and the right ladder are both provided with two vertical rods, an included angle controlling device which can regulate the included angle of the left ladder and the right ladder is installed between the left ladder and the right ladder, and the interior portions of the vertical rods are provided with hollow cavities of which lateral sections are in a rectangleshape; and the lower ends of the hollow cavities are provided with sliding blocks which can only vertically slide in the hollow cavities or slide out of the hollow cavities in an inserted mode, the middle sections of the hollow cavities are provided with driving devices which can drive the sliding blocks to slide from top to bottom in an installing mode, the upper sections of the hollow cavitiesare provided with batteries which can supply electric power for the driving devices, and the upper portions of the vertical rods are provided with a rising key and a descending key which can control the sliding blocks to rise and descend in an installing mode. The village power supply auxiliary climbing-up device has the advantages that whether four support legs touch floor can be automatically judged, the village power supply auxiliary climbing-high device can automatically lengthen or shorten the length of the support legs if one of the support legs is short, and finally the four support legs can touch the ground simultaneously, the operation is simple, the use is convenient, the cost is low, and the work efficiency can be improved.

The invention relates to a seat, in particular to a medical heatable seat. The technical purpose of the invention is to provide the medical heatable seat with a heating function. According to the technical scheme, the medical heatable seat comprises a mounting frame, a seat plate, a back plate, seat cushions, a first pole, a first cylinder, a first piston, a sliding block, a sliding rail, a connecting block, a spring or the like; a plurality of first through holes are formed in the left wall of the mounting frame, the seat plate is arranged on the top of the mounting frame, the back plate is arranged on the right side of the top of the seat plate, a plurality of second through holes are formed in the middle of the seat plate and the middle of the upper wall of the mounting frame, the seatcushions are embedded in the top of the seat plate, and the seat cushions are arranged on the upper portions of the second through holes. The seat achieves the effect of having a heating function, canprovide warmth to the lower portion and legs of a patient through a first electric heating wire and a second electric heating wire, can also be moved so that the patient can have more time to go outfor relaxation, and can massage the back of the patient, which is more conducive to the rehabilitation of the patient.

The invention discloses a snake bone type multi-point quick locking chain comprising a plurality of locking chain units connected mutually; the locking chain unit comprises lifting blocks, a locking block and a connection block; two ends of the locking block are respectively connected to a lifting block through a locking sheet; the outer end of one lifting block is connected to a connection block through the locking sheet; the other lifting block is connected to the connection block of the previous blocking chain unit through the locking sheet; the connection block is connected to the lifting block of next blocking chain unit through the locking sheet; the lifting block of last one locking chain unit is connected to a connection block through the locking sheet; the first rolling mechanism is assembled at the lower part of the end surface of the lifting block opposite with the connection block; a second rolling mechanism is assembled at the upper part of end surface of the lifting block opposite with the locking block; a lifting rotation clearance is respectively formed at the upper part of the end surface of the lifting block opposite with the connection block and the lower part of the end surface of lifting block opposite with the locking block. The invention can carry out quick multi-point locking and loosening on a plurality of locked objects.

The invention belongs to the field of food processing machinery, and particularly relates to a blanching machine. The blanching machine comprises a housing; a material inlet and a material outlet areformed in the two sides of the housing; a belt conveyor, a motor, spray heads and a water heating device are arranged in the housing; a hopper is arranged above the material inlet in the housing; a pair of horizontal first rollers are arranged between the lower part of the material inlet and the belt conveyor; a gap is formed between the two first rollers; the first rollers are driven by the motor; groups of openable doors are arranged on the top surface of the housing; a cross beam is arranged between each group of doors; a lifting device is arranged on the cross beam; a second roller is arranged below the lifting device; a row of spray heads are arranged below the belt conveyor; an opening is formed in the side wall below the material inlet in the housing; a material residue filter screen drawer is arranged in the opening; a temperature sensor and a controller are arranged in the housing; the controller is connected with the motor, the belt conveyor, a hydraulic rod, the lifting device and the temperature sensor. The blanching machine has comprehensive functions and can produce high-quality blanching products.

The invention discloses a device for collecting fish samples in a sea grass bed. The device is made of nylon net materials, can be used for collecting the fish samples in a sea grass bed ecological system, and has the characteristics that portability and labor saving are achieved, operation is convenient, and the resource quantity can be quantitatively estimated. The device for collecting the fishsamples in the sea grass bed is composed of a net bag, a string bag, floating balls, lead blocks, a floating line, traction rods and the like. The floating line has the fixed length, so that the seasweeping area is conveniently calculated and investigated. The device for collecting the fish samples in the sea grass bed has the working principles that the device is placed in the sea grass bed, and the net bag and the string bag are opened, so that the floating line on two wings is parallel to a shoreline; two persons tightly hold the traction rods to keep the traction rods perpendicular to the ground, and the device is slowly dragged to a shore at a constant speed; the two wings are closed up while the device is dragged at the shallow water position of the shore; and the net bag is shakenafter the two wings are closed up, the samples are concentrated at the string bag, a net opening at the bottom is unfastened, and the samples are collected.