69results about How to "Automatically adjust the tightness" patented technology

A spiral rubber hose joint production method and a production technology of a device thereof comprise related equipment such as a rubber hose extruder, a rubber hose refrigerator, a steel wire winding machine, a vulcanizing plant and its dragger and the like, and include a tube wall thickness uniformity automatic adjustment and detection system, a tube and mandril extrusion water-free cooling system, a tube automatic control and winding device, an energy-saving single-disk winding machine, a two-disc winding machine, a draughting mechanism and its combinated control and automatic detection controlling system, a steel wire winding machine noise suppression device, a winding wire breaking detection and control system, a spiral rubber hose refrigerator energy-saving applied technology and temperature detection and automatic temperature control freezing control system, an automatic dehumidifying and drying device during the rubber hose freezing and winding process and its detection and combined control system, and an automatic winding monitoring and control device. In addition, an overall traction drive system and a comprehensive intelligent monitoring system are also designed.

The invention discloses an automatic spiral-dressing type dressing changing device. The automatic spiral-dressing type dressing changing device comprises a sickbed body, and wound dressing devices symmetrically arranged on two sides of the sickbed body. Each wound dressing device comprises a support plate, a lifting mechanism slidably connected with the support plate, and a transmission mechanismarranged on the lifting mechanism. Each transmission mechanism comprises a rotating disc and a bandage winding device. Each bandage winding device comprises a screw, a casing sleeving the screw, and atraveling gear in meshed connection with the screw. A central shaft of each traveling gear extends to the outside of a limiting slot to be connected with a 'T'-shaped connecting rod. An elastic bandage fixing clip is connected to the bottom end of each connecting rod through a rotating mechanism. The automatic spiral-dressing type dressing changing device has the advantages that a spirally-reverse folding method is realized through the wound dressing devices to prevent deflection of bandages during dressing, uniformity and firmness in dressing are achieved, and the dressing efficiency is improved; the tensioning degree of the bandages can be automatically adjusted during dressing to avoid loosening of the bandages; the wound dressing devices are pushed below the sickbed body, and accordingly, the occupying space of the wound dressing devices is saved.

The invention discloses an intelligent electric wheelchair for rehabilitation training.The intelligent electric wheelchair comprises two wheelchair side frames, a chair back lifting device, wheelchair back frames, an electric push rod, power supply control boxes, front foot rests, damping universal wheels and a back wheel driving system; the two wheelchair side frames are installed on the two sides of the chair back lifting device and connected with the wheelchair back frames through frame connecting parts, the electric push rod, the front foot rests, the damping universal wheels and the back wheel driving system are all mechanically connected with the wheelchair side frames, and the power supply control boxes are electrically connected with the chair back lifting device; the electric push rod is connected with the wheelchair back frames and a chair back plate, connecting rods are connected with the wheelchair back frames and a cushion, and movement of the electric push rod drives the cushion to achieve the angle changes from the horizontal to the vertical.The wheelchair can help a person sitting on the wheelchair to stand, when the person sitting on the wheelchair stands, the person can walk in a wheelchair frame, and information communication between the person sitting on the wheelchair and doctors and family members can be improved through the related systems of the wheelchair.

The invention discloses an automatic cover pressing machine of plastic covers. The automatic cover pressing machine of the plastic covers is characterized by comprising a pressing mechanism used for tightly pressing the plastic covers on cans and a conveying mechanism used for conveying the plastic covers to the entry of the pressing mechanism. The pressing mechanism can automatically adjust the degree of tightness of cover pressing through a tightness self-adjusting spring mechanism according to the bending and the deformation of the plastic covers, the phenomenon of pressure leakage is effectively avoided, and continuous production can be carried out on the cans with various heights. The conveying mechanism places the plastic covers in a sliding channel one by one through a vacuum suction cup to carry out automatic gravity conveying, the whole conveying mechanism can work continuously and stably, the requirements for the flatness of the plastic covers is not high, and the situation that conveying is stopped due to slight distortion of the plastic covers is avoided.

The invention relate to a numerical control sponge cutting machine, which comprises a workbench base, a rotary workbench, vibration devices, vertical pulling devices, a gantry, a control part, a horizontal guide rail and a rack. The workbench base is arranged on the horizontal guide rail and the rotary workbench capable of lifting and rotating is arranged on the workbench base; the two vertical pulling devices are arranged on the gantry, and the two vibration devices are respectively arranged on two columns of the gantry; the control part is a numerical control system. Since the two vertical pulling devices are adopted to respectively adjust the height and the position of the two vibration devices, the sponge cutting machine is capable of processing sponge of different heights; since the workbench has a structure capable of lifting and rotating, the sponge cutting machine is capable of processing sponge of various curves; since the combination of adjusting cylinders and dampers is adopted in the vibration devices, the sponge cutting machine has more reliable cutting and the reasonable structure leads to non-environment pollution and high automatization, therefore, the sponge cutting machine is of great utility and popularization value.

The invention belongs to the technical field of medical appliances, and particularly relates to an orthopedic nursing fixing device having an infrared function. Against the technical problems that theplaster fixation forming of an orthopedic fixing device is complex, the size of the orthopedic fixing device cannot be adjusted and whether edema and lesions occur at a fracture site cannot be monitored, the following technical scheme is provided. The orthopedic nursing fixing device includes a fixing nursing sleeve, the outer wall of one side of the fixing nursing sleeve is in seaming with a connecting zipper, the outer wall of the other side of the fixing nursing sleeve is in seaming with a sealing closing belt, and the fixing nursing sleeve is connected with a fixing supporting sleeve through the connecting zipper. According to the orthopedic nursing fixing device, limitation is performed through a fixed ring, to facilitate mounting and dismantling; gypsum forming is not required, andthe overall weight is alleviated; the fixing supporting sleeve and the fixing nursing sleeve form an L-shaped structure, so that a fixed structure is stable; the degree of tightness of a binding beltis automatically adjusted through a pressure sensor and an air bag, an infrared sensor can detect the abnormal temperature in a lesion or edema area, and timely reminding is performed for processing.

The invention provides a defrosting device and defrosting method for a coiled tube of a refrigerating cabinet. The defrosting device is characterized by comprising a flexible hose, the coiled tube anda rotary scraper frame; the flexible hose is used for connecting a compressed air source, the coiled tube comprises a smoothing coiled tube, the rotary scraper frame comprises a rotary scraper ring,an annular groove and one or more air injection holes are formed in the rotary scraper ring, the annular groove is formed in the outer peripheral end region of the rotary scraper ring, universal movable joints are installed at one ends of the air injection holes and the other ends communicated with the annular groove, the coiled tube is sleeved with the rotary scraper ring, and the rotary scraperring moves axially along the coiled tube; a cone head assembly is mounted on one side of the rotary scraper ring, and a scraper assembly is mounted on the other side of the rotary scraper ring. The defrosting device has the advantages that heating for the coiled tube is not needed in the defrosting, the defrosting of the coiled tube is carried out under the temperature of the refrigerating cabinet, the temperature of the refrigerating cabinet is not increased again, and there is no loss of refrigeration capacity of the refrigerating cabinet; by means of coordination work of breaking ice crustsand clearing away frost layers, the problem of an existing mechanical defrosting method can not remove the ice crusts is solved.

The invention discloses a dressing change rack for nursing. The dressing change rack comprises a fixed base, a lifting mechanism and a binding device; the lifting mechanism is arranged on the fixed base; the binding device is fixed on the lifting mechanism; the binding device comprises a fixed disc, a circular slide block, a foot fixing device and a bandage winding device; the circular slide blockand the foot fixing device are arranged on the fixed disc; the bandage winding device is arranged on the circular slide block; the bandage winding device comprises a screw rod, a bearing sleeve, a T-shaped connecting rod and a bandage retaining clip; the screw rod is in threaded connection with a threaded circular hole; the bearing sleeve is fixed on one end of the screw rod; the T-shaped connecting rod is fixed on the bearing sleeve; the bandage retaining clip is elastic and is fixed on the bottom end of the connecting rod through a rotating mechanism; a tensioning mechanism is arranged on the bandage retaining clip. The dressing change rack for nursing is capable of realizing an automatic wound binding function, taking a spiral inverse folding method as a binding manner, uniformly and firmly binding, avoiding the problem of bacterial infection caused by the contact between the wound periphery of a patient and the outside, increasing the dressing efficiency, automatically adjusting the tensioning degree of the bandage while binding and avoiding the phenomenon of binding loosening.

The invention discloses an automatic winding device and a winding method thereof. The automatic winding device comprises a pressing mechanism which is fixedly arranged on a base and located between anunwinding mechanism and a guiding mechanism. The pressing mechanism comprises a positioning piece, a first supporting assembly, a guiding piece and a pressing piece, and the positioning piece and thefirst supporting assembly are fixedly connected with the base; the guiding piece is fixedly connected with the first supporting assembly and the positioning piece, and the guiding piece is perpendicular to the base; and the pressing piece is slidably arranged on the guiding piece in a sleeving mode. The pressing mechanism is arranged between the unwinding mechanism and the guiding mechanism, thepressing piece of the pressing mechanism is slidably arranged on the guiding piece in the sleeving mode, and owing to the fact that the pressing piece has certain gravity, under the effect of the gravity of the pressing piece, a thread at the lower end of the pressing piece can be pressed so that a winding mechanism can be tightly wound with the thread.

The invention discloses an electric field structure for improving oil fume purification efficiency, which includes a composite electric field, the composite electric field includes a plurality of rows of cylindrical smoke removal channel groups arranged in sequence from top to bottom, and the cylindrical smoke removal channel groups include horizontally arranged A plurality of cylindrical anode cylinders, gaps are formed between the adjacent four cylindrical anode cylinders in the upper and lower adjacent rows of cylindrical smoke removal channel groups, and square anodes parallel to the cylindrical anode cylinders are arranged in the gaps The four sides of the square anode cylinder are respectively tangent to the sides of the cylindrical anode cylinder. Both the cylindrical anode cylinder and the square anode cylinder are equipped with cathode needles, and the cathode needles are located between the cylindrical anode cylinder and the square anode cylinder. axis. The electric field structure of the present invention can greatly increase the anode area for absorbing oil fume through the anode cylinder with a special composite structure, and at the same time, it will not increase the electric field structure, utilize the space reasonably and efficiently, and greatly improve the oil fume adsorption efficiency.

The invention discloses an efficient flat die type pellet machine. The efficient flat die type pellet machine comprises a machine frame, mounting brackets are arranged at the two ends of the front side of the machine frame and rotationally connected with the machine frame, moving rollers are arranged on the lower sides of the mounting brackets and rotationally connected with the mounting brackets,a motor is fixedly mounted at the right end of the upper side of the machine frame through screwed connection, and a fixing frame is arranged on the upper side of the machine frame and fixed to the machine frame through screwed connection. A tensioning wheel can automatically adjust the tightness of a belt through the elastic pressure of an adjusting compressed spring, and thus the belt will notdeflect or slip in the operating process of a machine body; besides, an adjusting pressing wheel is arranged on the upper side of a pressing roll and can automatically adjust the distance between thepressing roll and a flat die through a tensioning spring, so that the machine body operates more stably, the working efficiency of the machine body is improved, operating trouble of the machine body is avoided, and the working productivity of the machine body is improved.

The invention belongs to the technical field of head wearing, and particularly relates to a bandage structure and head-mounted equipment. The bandage structure comprises a band body and a shell whichencloses a slideway. One end part of the band body is inserted into the slideway. A telescopic adjusting mechanism is arranged in the slideway. The telescopic adjusting mechanism comprises a driving device which is arranged at an interval with the end part of the band body, a telescopic mechanism which is arranged between the end part of the band body and an output part of the driving device, andan elastic stretching piece which is used for pulling the band body into the slideway. The head-mounted equipment comprises a host and a binding band structure. The shell of the binding band structureis fixedly connected with the side portion of the host, and the driving device is electrically connected with a PCB of the host. The driving device drives the telescopic mechanism to stretch out anddraw back to drive the band body to slide out of the slideway. According to the bandage structure and the head-mounted equipment, the problem that the tightness degree is inconvenient to adjust manually when the head-mounted equipment is worn is solved. The tightness degree can be adjusted automatically according to needs, and the adjustment is very convenient.

The invention discloses an automatic regulating structure for a bending part of an endoscope. The automatic regulating structure comprises an operation part, an insertion part and the bending part which are connected in sequence; the operation part is provided with a control hand wheel; an angle sensor is arranged at a connecting position of the insertion part and the bending part; a first steel wire and a second steel wire are arranged in the insertion part and the bending part; the control hand wheel is separately connected with the first steel wire and the second steel wire through a transmission mechanism; tightness adjusting mechanisms are arranged on positions, corresponding to the first steel wire and the second steel wire, on the transmission mechanism; the automatic regulating structure further comprises a detection control part; the detection control part is electrically connected with the angle sensor and the tightness adjusting mechanisms separately. According to the technical scheme of the invention, the tightness degree of steel wires can be automatically adjusted without taking an endoscope body apart, so that the control precision of the bending part is improved; operation of a doctor is convenient; the efficiency is improved; meanwhile, the discomfort of a patient is relieved.

The invention belongs to the field of yarn guide and needle feeding devices, and particularly discloses a knitwear processing and thread feeding device. The device comprises a base, a support, a motor, a conveying belt, a controller, an air cylinder, a nut, a conveying wheel and a spool, the conveying wheel is in a circular truncated cone shape, and the support is fixedly connected with the base;the motor is fixed onto the base, a rotation rod is connected to the output shaft of the motor, and the rotation rod is connected with one end of the conveying wheel; a threaded rod is fixedly connected to the other end of the conveying wheel; the threaded rod is matched with the nut in a threaded mode, the conveying wheel drives the spool to rotate through the conveying belt, and a conveying roller is rotatably connected onto a rack; an infrared emitter is arranged on the eccentric portion of one end of the conveying roller, an infrared receiver which can receive infrared rays is arranged onthe support, and the infrared receiver is electrically connected with the controller; the controller is connected with the air cylinder, and a fixing part which can fix the nut is arranged at the freeend of an air cylinder piston. According to the knitwear processing and thread feeding device, the tightness degree in thread feeding of knitwear can be automatically adjusted, and the adverse effecton knitwear processing is avoided.

The invention discloses a novel honeycomb electric field structure which comprises a honeycomb structure, wherein the honeycomb structure comprises a plurality of lampblack removing channels arranged side by side; a cathode needle is correspondingly arranged in each lampblack removing channel; the cathode needle is a steel wire or steel wire rope; the novel honeycomb electric field structure further comprises an elastic structure connected with the cathode needle and capable of automatically adjusting the elastic degree of the cathode needle; the cathode needle is tightened on the central axis of each lampblack removing channel. The novel honeycomb electric field structure provided by the invention has the good lampblack removing effect, the long service life and the long cleaning period, and is very suitable for daily life waste gas treatment or industrial waste gas treatment.

The invention discloses a low-pressure environment test box, comprising a test box main body. The test box main body comprises a test chamber and a box door disposed on the front side of the test chamber, one end of the box door is hinged to the left side of the test chamber, the other end of the box door is fastened to the right side of the test chamber, the box door is provided with a sealing gasket, the sealing gasket is located between the test chamber and the box door, the test chamber comprises a test cover and a vacuum chamber, the test cover and the vacuum chamber are both open at thefront side, the front side of the test cover is provided with a plate frame having the same shape as the opening of the test cover, the projection of the opening of the plate frame in a vertical planeis located in the projection of the opening of the test cover in the vertical plane, the front end of the vacuum chamber is fixed in the plate frame and extends out of the plate frame, and a clearance is provided between the five sides of the vacuum chamber and the test cover. The invention provides the low-pressure environment test box with good sealing performance and high accuracy in performance testing.

The invention relates to an edge brushing dust collection device for a mesh belt or a steel belt. The device comprises drive wheels, driven wheels, positioning wheels, belt wire brushes and dust collection covers; the drive wheels are driven by a motor; each drive wheel, the corresponding driven wheel and the corresponding positioning wheel are synchronously driven through the corresponding belt wire brush; each drive wheel is located below, and each positioning wheel and the corresponding driven wheel which are located above, and the corresponding positioning wheel which is arranged at the outer side jointly form a triangular framework; each positioning wheel is provided with a height positioning regulator. Through the operation of the device, a nanofiber membrane nearby the edge on the back face of the mesh belt or the steel belt is effectively removed by brushing, and is sucked away by an industrial vacuum cleaner through the dust collection covers, and thus, a 'membrane clip' structure at the edge is broken, and a firm binding force between the nanofiber membrane and the edge of the mesh belt or the steel belt is removed, so that the nanofiber membrane is normally stripped and smoothly enters a rolling link, and the phenomenon that chippings or leftovers fly all around to adhere to the nanofiber membrane to cause the product quality problem is also avoided.

The present invention discloses a synchronous mineral magnetic separator, which comprises a rack and a base, wherein the rack is provided with a conveying belt, the higher end of the conveying belt is provided with a material feeding device, the lower end of the conveying belt is provided with an impurity recovery device, the position close to the material feeding device is provided with a plurality of flushing devices, the conveying belt is further provided with a tensioning mechanism, the one rack bottom portion end close to the material feeding device is provided with an inclined angle adjusting mechanism, and the other end of the rack is hinged with the base. The synchronous mineral magnetic separator is characterized in that the middle of the conveying belt is provided with a magnetic system movement device, the magnetic system movement device is connected with a power device, and the magnetic system movement device is further connected with a drive belt wheel on the conveying belt through a synchronous belt. According to the present invention, the magnetic system movement device capable of synchronously moving along with the conveying belt is used, such that the weakly magnetic mineral can be adsorbed, the mineral dressing range is large, and the mineral dressing precision is high.

A spiral rubber hose joint production method and a production technology of a device thereof comprise related equipment such as a rubber hose extruder, a rubber hose refrigerator, a steel wire winding machine, a vulcanizing plant and its dragger and the like, and include a tube wall thickness uniformity automatic adjustment and detection system, a tube and mandril extrusion water-free cooling system, a tube automatic control and winding device, an energy-saving single-disk winding machine, a two-disc winding machine, a draughting mechanism and its combinated control and automatic detection controlling system, a steel wire winding machine noise suppression device, a winding wire breaking detection and control system, a spiral rubber hose refrigerator energy-saving applied technology and temperature detection and automatic temperature control freezing control system, an automatic dehumidifying and drying device during the rubber hose freezing and winding process and its detection and combined control system, and an automatic winding monitoring and control device. In addition, an overall traction drive system and a comprehensive intelligent monitoring system are also designed.

The invention discloses a high-voltage wire clamp mounting tool and a using method. The high-voltage wire clamp mounting tool comprises a base and a motor, wherein the upper end of the base is fixedly connected with a bidirectional lead screw, and an adjusting block is slidably connected to the bidirectional lead screw; the upper end of the adjusting block is connected with a telescopic frame in a hinged mode, and the upper end of the telescopic frame is connected with a sliding rod in a hinged mode; a sliding block is connected to the interior of the sliding rod in a penetrating mode, and the sliding block is fixedly connected to the lower end of a supporting seat; the lower end of the interior of the supporting seat is rotationally connected with a bidirectional worm, and the right end of the bidirectional worm is fixedly connected with the motor through a bolt; the upper side of the bidirectional worm is connected with a worm wheel, and the middle of a rotating shaft is fixedly connected with a clamping plate; and the outer surface of a wire clamp body is fixedly connected with a magnet, and a spring sleeves the outer surface of a mounting rod. According to the high-voltage wire clamp mounting tool, the height of the wire clamp mounting tool is conveniently adjusted, the tightness degree of a wire clamp is conveniently and automatically adjusted, and meanwhile, the wire clamp is conveniently mounted and fixed.

The invention discloses a strip steel processing device and a strip steel annealing and recoiling technology. The device comprises an overhead travelling crane, a hanging strip, a strip steel material collecting shaft and a power device, wherein the hanging strip is hung on the overhead travelling crane; the strip steel material collecting shaft is in transmission connection with the power device, and comprises a curled expansion nut and petal-shaped curled material collecting pieces; curled expansion intervals are formed between the adjacent curled material collecting pieces; and the curled expansion nut adjusts the size of diameters of the curled material collecting pieces and the size of the curled expansion intervals. According to the strip steel processing device and the strip steel annealing and recoiling technology, an emptying device and a clamping device are omitted; the efficiency is improved greatly; the electric energy is saved; the processing cost is lowered greatly; orderliness of rolled finished strip steel cannot be changed; the tightness for coiling the strip steel can be adjusted automatically by utilizing an inertial acting force; and the operation is simple.

The invention relates to the technical field of fitness equipment and discloses a household-universal idle automatic belly-thinning mechanism for obese people. The household-universal idle automatic belly-thinning mechanism comprises a vertical support, wherein the bottom of the vertical support is movably connected with a body bandage, a snap hook rotating shaft and an adjusting slide rail are fixedly connected with interior of the vertical support, the front of the adjusting slide rail is in sliding connection with adjusting gear racks, and a transverse bracing frame is fixedly connected between the adjusting gear racks. According to the household-universal idle automatic belly-thinning mechanism for the obese people, a driving wheel is driven to rotate through a vibrating motor, a driven wheel is driven to rotate through the driving wheel, a rotating cam is driven to rotate through the driven wheel, a cam contact shaft is driven to horizontally and vertically vibrate through the rotating cam, a vibrating shaft is driven to horizontally and vertically vibrate through the cam contact shaft, a coating frame is driven to horizontally and vertically vibrate through the vibrating shaft, and mechanisms such as a buffer spring and a horizontal vibrating spring are used in a matched manner, so that the effect of automatically driving an abdominal region to move is achieved.

The invention belongs to the technical field of medical apparatus and instruments, and relates to a postoperative or post-traumatic self-adhesive thoracico-abdominal belt, which comprises a first protective sheet, a second protective sheet and a plurality of first limiting belts, the first bandage and the second bandage are arranged on the back surface of the second protection sheet, one ends of the first bandage and the second bandage are located at the top end of the back surface of the second protection sheet, and the other ends of the first bandage and the second bandage sequentially penetrate through the multiple first limiting belts from bottom to top, then are located at the position, close to the top end, of the front surface of the first protection sheet and intersect when passing through the first protection sheet and the second protection sheet; the adhesion assembly is arranged on the front face of the first protection piece and used for adhering the two ends of the first bandage to the two ends of the second bandage. According to the multi-head thoracic and abdominal belt, the first bandage and the second bandage are arranged in a matched mode, the thoracic and abdominal portion of a patient can be fixed only by pulling the ends of the first bandage and the second bandage, the situation that a traditional multi-head thoracic and abdominal belt needs to be knotted one by one by medical staff is replaced, operation is easy, the working intensity of the medical staff is relieved, and the working efficiency is improved.

The invention discloses an automatic capping machine for plastic caps. The automatic capping machine is characterized by comprising a pressing mechanism which tightly presses the plastic caps on iron cans and a conveying mechanism which conveys the plastic caps to an inlet of the pressing mechanism, wherein the pressing mechanism can automatically adjust capping tightness degree according to bending deformation of the plastic caps through a spring mechanism capable of automatically adjusting tightness degree. Therefore, the phenomenon of missed capping is effectively avoided; the iron cans with various heights can be continuously produced; the conveying mechanism puts the plastic caps one by one in a sliding way for automatic gravitational conveying through a vacuum sucker; the whole conveying mechanism can rapidly and stably work; the requirement for flatness of the plastic caps is low, and conveying stop due to slight warping of the plastic caps is avoided.

The invention provides a method for processing a hyperbolic plate, which comprises the following steps: drawing a transverse heating line according to the process of the hyperbolic plate; fixing the hyperbolic plate on a pyrotechnic tool, heating along the transverse heating line, and Apply pressure to the hyperbolic plate through the ejector pin of the pyrotechnic tool; heat along the transverse heating line until the forming effect of the hyperbolic plate decreases significantly, stop heating along the transverse heating line; increase the diagonal heating line according to the forming effect of the hyperbolic plate ;Heat along the diagonal heating line, and at the same time apply pressure to the double curvature plate through the ejector pin, and stop heating after processing to the target forming effect. The invention also provides the pyrotechnic tool used in the method, including a base and a door frame, the door frame is arranged on the base, a drive unit is slidably arranged on the door frame, the drive unit is installed with a push rod, and the drive unit is electrically connected to an electric control system. The above-mentioned tooling is easy to operate and has a good fastening effect on the double curvature plate; and the processing method has a good processing effect and high processing efficiency.

The energy-saving and environment-friendly decoration pipe surface treatment device for house decoration comprises a treatment box, supporting legs are fixedly connected to the front side and the rear side of the treatment box correspondingly, and a blowing device is rotationally arranged in the middle of the interior of the treatment box; and a coarse grinding device and a fine grinding device are rotationally arranged in the treatment box and located on the left side and the right side of the blowing device correspondingly. According to the energy-saving and environment-friendly decorative pipe surface treatment device for house decoration, the rough grinding device and the fine grinding device are arranged to be matched, rough grinding and fine grinding operation can be sequentially conducted on the surface of a decorative pipe, the purging device is arranged between the rough grinding device and the fine grinding device, chippings on the surface of the pipe can be swept away after rough grinding, the chippings are prevented from affecting the precision of fine grinding, and the efficiency is improved. And the purging device, the rough grinding device and the fine grinding device can be synchronously driven and controlled by utilizing the driving device, so that the use is convenient and efficient, and meanwhile, the equipment occupies a small area and is low in power consumption.

The invention discloses a high-pressure-resistant electric-hydraulic control ball valve which is composed of two main modules including a ball valve body and an electric-hydraulic actuator. The electric-hydraulic actuator is composed of an electric-hydraulic actuating mechanism and a control system; the electric-hydraulic actuating mechanism comprises a motor, an oil pump, an oil tank, a hydraulic cylinder and an actuating mechanism; the control system comprises an electrical control system and a hydraulic control system; the ball valve body comprises a valve body, a ball body, an end pipe and a valve rod; the actuating mechanism is arranged at the upper portion of the valve body, is connected with the upper end of the valve rod, and can drive the valve rod to rotate; the hydraulic cylinder is fixedly connected to one side of the actuating mechanism; the oil tank is fixedly connected to one side of the actuating mechanism, and the oil tank is provided with the motor and the oil pump; and the hydraulic control system is arranged on the oil tank or the actuating mechanism. Further improvements are that the electric-hydraulic actuating mechanism further comprises a valve location transmitter; the motor is a servo motor; and elastic sealing structures are arranged on the two sides of the ball body. The high-pressure-resistant electric-hydraulic control ball valve is compact in structure, easy to install and debug, low in manufacturing cost, reliable and durable in elastic self-sealing, resistant to high pressure and long in service life.

The invention discloses an automatic-loosening-and-tightening intelligent belt, belongs to the field of intelligent control and solves the problem that conventional belts cannot realize automatic loosening and tightening. An automatic tightening mechanism is mounted at a position like a belt buckle or a belt, and a gyroscope, an acceleration sensor, a battery, a direct-current speed reducing motor, a tightening mechanism, Bluetooth and a control circuit are arranged in the automatic tightening mechanism; the gyroscope and the acceleration sensor detects that the body of a user is in a forward-inclining (including lateral inclining and hypsokinesis) state, standing up and sitting down, actions are sent to the control circuit in real time, and the control circuit makes comprehensive judgmentaccording to the actions or the state and lasting time; when inclination angle and upward acceleration reach set requirements, the control circuit sends a loosening or tightening signal to the direct-current speed reducing motor, and the direct-current speed reducing motor rotates backwards or forwards according to the loosening or tightening signal to drive the tightening mechanism to loosen ortighten the belt. By connecting the Bluetooth with the mobile terminal, posture parameters of the body and tightening degree of the belt are adjusted through the mobile terminal.

The invention relates to a connector and especially relates to an adjusting-type optical fiber connector. The connector comprises a housing, a groove body, an optical fiber body and an elastic pad. An inner cavity of the housing is provided with the groove body, the optical fiber body is arranged in the groove body, the upper end and the lower end of the optical fiber body are provided with pads, the middle end in the housing is provided with an adjusting groove, the adjusting groove is internally provided with a positioning frame, the top end of the positioning frame is provided with an adjusting bolt, the bottom end of the adjusting bolt is provided with a pressing plate, the elastic pad is arranged on the lower end of the pressing plate, a sealing ring is arranged between the positioning frame and the housing, and the housing is externally bonded with a hydrophobic nano-layer. The connector is capable of automatically adjusting the tightness degree of connected optical fibers, the cost is saved, and the power efficiency is improved.