97results about How to "No rigid impact" patented technology

The invention discloses an adjustable fixture for inclined-hole drilling. The adjustable fixture for inclined-hole drilling comprises a base and a bolt, wherein one end of the base is connected with the lower end of a supporting plate in a rotating mode, the other end of the base is connected with a first threaded rod in a rotating mode, the upper end of the supporting plate is connected with a second threaded rod in a rotating mode, the first threaded rod and the second threaded rod are arranged on the two sides in a threaded sleeve respectively, an external thread of the first threaded rod and an external thread of the second threaded rod are in opposite directions, a locating core used for locating a workpiece is fixedly arranged in the middle of the upper side of the supporting plate, and the bolt penetrates through the supporting plate and the rear end of the locating core and is provided with a pressing plate used for tightly pressing the workpiece. The adjustable fixture for inclined-hole drilling has the advantages that the angle of inclination can be adjusted within a certain range, the universality is high, the design is reasonable, the structure is simple, operation is convenient, labor intensity is lowered, production efficiency is improved, assembly and disassembly are convenient, the service life is long, production cost is low, and popularization and use are convenient.

The invention discloses a wheelchair capable of climbing stairs smoothly and running on flats. The wheelchair comprises a chair, a lifting device and a running part, wherein the running part is used for bearing the chair, the balance of the chair is kept under the action of the lifting device, the running part consists of a planetary wheel mechanism and a differential drive system, four working states of the wheelchair can be achieved through the combination of the planetary wheel mechanism and the differential drive system and the four working states comprise running on flats, turning on flats, stair descending and climbing and the shift between stairs and flats. The wheelchair is provided with two sets of drive mechanisms, an electric motor drives a central shaft through a straight-tooth cone gear, a planet carrier is driven through a clutch on the central shaft, and stretching and keeping of an impeller are achieved through transfer and linkage of the clutch and an arrester, i.e., differential and identical speed of the central shaft and the planet carrier. The wheelchair is adapted to prior stairs, runs stably and continuously, is good in bearing capacity and can run on flats. By the aid of the wheelchair, the living trip of the elderly and disabled persons is achieved.

The invention discloses a disc cam driving type cylindrical workpiece centering and clamping fixture which comprises a bottom plate, a bevel pushing head, a bent arm I, a bent arm II, a driving spring and a disc cam, wherein a sliding rod is mounted in the middle part of the bottom plate in a sliding manner through a sliding rod support; a roller is rotatably mounted at one end of the sliding rod; the bevel pushing head of which the front end has an ejecting block is fixedly mounted at the other end of the sliding rod; the driving spring is arranged on the sliding rod between the bevel pushing head and the sliding rod support in a sleeving manner; the disc cam tangential to the roller is rotatably mounted at one end of the bottom plate through a rotating shaft; and the bent arm I and the bent arm II which are mutually symmetrical are rotatably mounted on the upper side of the other end of the bottom plate. The disc cam driving type cylindrical workpiece centering and clamping fixture has the characteristics that the design is reasonable, the structure is simple, the excircle centering and clamping can be achieved, the disc cam is matched with the driving spring for utilization, the operation is convenient, the automation degree is high, and the service life is long.

The invention discloses a shaft work piece clamping device. The shaft work piece clamping device comprises a rectangular bottom plate, wherein a plurality of installation grooves are formed in the side wall of the rectangular bottom plate, a baffle is fixedly arranged on the upper side of the rectangular bottom plate, a V-shaped cushion block used to support a shaft work piece is fixedly arranged on the right side of the baffle, a support plate parallel to the baffle is fixedly arranged on the upper side of the rectangular bottom plate, a threaded hole is formed in the support plate, a threaded rod matched with the support plate so as to form a thread pair is arranged in the threaded hole, a V-shaped press block used to tightly press the shaft work piece is hinged with the left end of the threaded rod, and a rotatable handle is fixedly installed at the right end of the threaded rod. The shaft work piece clamping device has the advantages of being reasonable in design, reliable in work piece clamping, large in increase force, unrestricted in stroke, simple in structure, convenient and quick to disassemble and assemble, convenient to carry, long in use life, wide in application range, low in production cost, and convenient to popularize and use.

The invention discloses a screw-driven type outer circle centering clamping device. The device comprises a rectangular base, a guide rod, a screw, a screw seat, a first clamping arm, a second clamping arm and a propping block; the first clamping arm and the second clamping arm are matched with each other to clamp a component; the screw seat is fixedly arranged at the upper side of one end of the rectangular base; the screw is arranged in the screw seat; the guide rod is glidingly arranged in the middle part of the rectangular base through the guide rod seat; one end of the screw is rotatably connected with one end of the guide rod through the connecting seat, and while the other end of the guider rod is fixedly equipped with a bevel push; the propping block for propping the component is fixedly arranged at the front end of the bevel push head; the first clamping arm and the second clamping arm are respectively rotatably arranged at two sides of a V-shaped groove, on the other end of the rectangular base. The device has the characteristics of being reasonable in design, simple in structure, centering and clamping an outer circle, and being large in force increasing ratio, independent to lock, convenient to operate, long in service life, low in production cost, and convenient to popularize and use.

The invention discloses an external thread turning fixture of a thin-wall sleeve. The fixture comprises a step thread shaft, an elastic expansion sleeve and a taper sleeve, wherein a positioning table is arranged at one end of the step thread shaft; an outer conical surface is arranged on the step thread shaft at one side of the positioning table; the step thread shaft is coated by the elastic expansion sleeve; the taper sleeve is arranged between the elastic expansion sleeve and the step thread shaft; inner conical surfaces having the same taper with the taper sleeve are respectively arranged at the inner sides of the two ends of the elastic expansion sleeve; multiple rubber strips for increasing the frictional force between the elastic expansion sleeve and a workpiece to be machined are arranged at the outer side of the elastic expansion sleeve through mounting grooves; and a pressing nut for tightly pressing the taper sleeve is arranged on the step thread shaft. The fixture has the characteristics of reasonable design, simple structure, high machining precision, convenience for workpiece disassembly, low labor intensity, high production efficiency, long service life, low production cost and convenience for promotion and application.

The invention discloses a threaded self-locking type automatic centering work fixture used for an annular workpiece. The automatic centering work fixture comprises a base plate, a folded bent arm I, a folded bent arm II, a bevel pushing head which matches the folded bent arm I and the folded bent arm II to push the annular workpiece tightly, a driving screw rod used for driving the bevel pushing head to move forward and backward and a screw rod seat which matches the driving screw rod to form a threaded transmission pair. The upper side of one end of the base plate is rotatably provided with the folded bent arm I and the folded bent arm II which are arranged symmetrically, while the upper side of the other end of the base plate is fixedly installed with the screw rod seat. The driving screw rod is installed on the screw rod seat through a threaded hole .The end of the driving screw rod is rotationally connected with the rear end of the bevel pushing head by a connection seat and the fore end of the bevel pushing head is fixedly installed with a pushing block. The fixture provided by the invention has the characteristics of being reasonable in design, simple in structure, capable of excircle centering clamping, high in force increasing ratio, good in self-locking property, convenient to operate and long in service life.

The invention discloses a cam driving type compressing clamp for shaft workpieces. The compressing clamp comprises a bottom plate, a power box, a V-shaped base plate and a V-shaped compressing head and further comprises a cam for driving a pushing rod to move front and back in the horizontal direction; the pushing rod is arranged on the upper side of the bottom plate through a first L-shaped supporting plate and a second L-shaped supporting plate in a sliding manner; a roller frame is fixedly arranged in the middle of the pushing rod; a roller used in cooperation with the cam is arranged on the roller frame; the V-shaped compressing head is fixedly arranged at one end of the pushing rod, and a spring retaining plate is fixedly arranged at the position, between the V-shaped compressing head and the second L-shaped supporting plate, of the pushing rod; and a compressing spring is arranged between the spring retaining plate and the second L-shaped supporting plate. The cam driving type compressing clamp has the advantages of being reasonable in design, high in automation degree, easy and convenient to operate, low in labor intensity, long in service life, wide in application range, low in production cost and convenient to use and popularize.

The invention discloses a portable inclined hole drilling device. The portable inclined hole drilling device comprises a base used for fixing and supporting, a drill bushing, a fan-shaped guide disk and a drill plate. The base is fixedly connected with the lower end of a support arm. The upper end of the support arm is fixedly provided with the fan-shaped guide disk. The center of the fan-shaped guide disk is rotatably connected with one end of the drill plate. The drill bushing is arranged at the other end of the drill plate. An observation hole used for observing dial gauge is formed in the axial position of the middle of the drill plate. An arc-shaped guide groove is formed in the middle of the fan-shaped guide disk. The drill plate is fixedly arranged on the fan-shaped guide disk through a fastening bolt matched with the arc guide groove. The portable inclined hole drilling device has the characteristics that the portable inclined hole drilling device is adjustable in inclination angle, high in universality, reasonable in design, simple in structure, convenient to operate, assemble, disassemble and carry, long in service life, low in production cost and convenient to use and popularize, the labor intensity is relieved, and production efficiency is improved.

The invention discloses a cylindrical workpiece spring clamping device used for linear cutting. The cylindrical workpiece spring clamping device comprises a base plate, a V-shaped groove cushion table, a sliding pressing head, unthreaded rods, a pressure spring and a T-shaped pull rod. A cushion table support and a pull rod support are fixedly installed at the two ends of the upper side of the base plate correspondingly. The two unthreaded rods are fixedly installed between the cushion table support and the pull rod support. The V-shaped groove cushion table is fixedly installed on the inner side of the upper end of the cushion table support. The sliding pressing head is slidably installed on the two unthreaded rods. The T-shaped pull rod is slidably installed in the middle of the pull rod support through an unthreaded hole. The end of the T-shaped pull rod is fixedly connected with the sliding pressing head. The portion, located between the sliding pressing head and the pull rod support, of the T-shaped pull rod is sleeved with the pressure spring. The cylindrical workpiece spring clamping device has the following characteristics that the design is reasonable, the structure is simple, the machining accuracy is high, the workpiece assembling and disassembling efficiency is high, the labor intensity of workers is low, maintenance is easy, and the application range is wide.

The invention discloses a rotary type box filler in the field of secondary packing machinery, which comprises a box filling device, conveying systems, a corresponding programmed control system and a servo motor driving system, wherein the box filling device comprises a bottle-grabbing device, a bottle-blocking device and a box-fixing device. The rotary type box filler is characterized in that the box filling device also comprises a turning central system which comprises a central tower frame, annular rails, a guiding supporting rod, a bottle-grabbing guide rail, a bottle-blocking guide rail and a guide box guide rail, two ends of the guiding supporting rod are arranged between the annular rails through a sliding device which is driven by a chain wheel device, and the bottle-grabbing device, the bottle-blocking device and the box-fixing device are arranged on the guiding supporting rod. The turning type box filler finishes the bottom grabbing and the box filling processes in motion without rigid impact, the bottle grabbing and the box filling are particularly accurate, the consistency of the box filling is good, the productivity is high, a reflux type bottle conveying device is adopted to reduce the extrusion between bottles, and a module structure is adopted to provide high degree of flexibility.

The present invention discloses an intelligent transfer and walking aid robot. The intelligent transfer and walking aid robot comprises a vertical column cover shell, a lower side of the vertical column cover shell is provided with a ground differential moving platform for driving a whole device to move, the vertical column cover shell is internally provided with a sit and stand transfer mechanismwhich simulates sit and stand motions of human body, the sit and stand transfer mechanism is provided with a pelvic support mechanism connected with the human body and detecting human body motion intention, and the pelvic support mechanism, sit and stand transfer mechanism and ground differential moving platform are all controlled by a controller. At the same time, the present invention disclosesa motion intention recognition method of the intelligent transfer and walking aid robot. The intelligent transfer and walking aid robot is small, exquisite and convenient in a whole, and convenient for use of home environment, the pelvic support mechanism realizes human body motion requirements and provides a basis for balance training and gait training, and besides, the motion intention recognition method controls the entire device according to intention of patients to conduct motions the patients to conduct, enables the device to assist the patients to conduct motion and exercise, and improves training effects.

The invention discloses a hydraulic type belt pulley automatic tensioning device which comprises a pressure relay, an energy accumulator and an overflow valve. An oil outlet of a hydraulic pump is communicated with a first work port of an electro-hydraulic servo valve and a first work port of an electromagnetic directional valve. A second work port of the electro-hydraulic servo valve and a second work port of the electromagnetic directional valve are both communicated with a rod cavity of a hydraulic cylinder. A rodless cavity of the hydraulic cylinder is communicated with a third work port of the electromagnetic directional valve. The end of a piston rod of the hydraulic cylinder is connected with an adjusting belt pulley. A tensional force sensor used for detecting the tensional force of a belt is arranged on the lower side of the belt between the adjusting belt pulley and a fixed belt pulley. A pulling force sensor is arranged between the end of the piston rod of the hydraulic cylinder and the adjusting belt pulley. The hydraulic type belt pulley automatic tensioning device has the advantages of being high in automation degree, capable of achieving self-adaptive tensioning, reasonable in design, high in adaptability, stability and intelligent degree, long in service life and wide in application range.

The invention discloses a reciprocating manipulator for machining a punching machine. The reciprocating manipulator comprises a base, a U-shaped bracket, a disc-shaped cam, a return spring and a power shaft, wherein a spring stopper is fixed in the middle of a push rod; the return spring is arranged between the spring stopper and the U-shaped bracket; an elastic pushing hand for moving out a punching machine machining workpiece is fixed and mounted at one end of the push rod; a roller frame is fixed at the other end of the push rod; a roller fitting the disc-shaped cam for use and used for reducing the frictional force is rotationally mounted in the roller frame through a pin shaft; a rack is fixed at the back side of the disc-shaped cam; and a gear engaged to the rack to form a gear rack transmission pair is fixed and mounted at the end of the power shaft. The reciprocating manipulator has the characteristics of reasonable design, simple structure, convenience for operation, high automation degree, long service life, wide application range, low production cost and convenience for promotion and application.

The invention discloses a clamping device for cylindrical work-piece line cutting machining. The device comprises a rectangular base, a first L-shaped support and a second L-shaped support. The first L-shaped support and the second L-shaped support are fixed at the two ends of the upper side of the rectangular base respectively. A V-shaped cushioning block is fixed on the first L-shaped support, a sliding support is in arranged on the upper side of the rectangular base, a V-shaped compression head is fixed at the upper end of the sliding support, a location plate is fixed on the upper side of the rectangular base, one end of a screw penetrates an unthreaded hole of the second L-shaped support and a threaded hole of the sliding support to be hinged to the first L-shaped support, and a drive handle is arranged at the other end of the screw. The clamping device has the advantages of being reasonable in design, simple in structure, high in machining accuracy, capable of facilitating work-piece dismounting, low in labor intensity, high in production efficiency, long in service life, low in production cost and convenient to promote and use.

The invention discloses an inclined hole drilling clamp with an adjustable angle. The inclined hole drilling clamp comprises a base, a supporting arm is arranged on the upper side of the base, a sector-shaped guide disc is arranged on the upper side of the supporting arm, the center of the sector-shaped guide disc is in rotating connection with one end of a drilling template, a drilling sleeve is arranged at the other end of the drilling template, an arc guide groove is formed in the middle of the sector-shaped guide disc, and the drilling template is arranged on the sector-shaped guide disc through a fastening bolt matched with the arc guide groove. The inclined hole drilling clamp has the advantages that the inclination angel is adjustable, high universality is achieved, design is reasonable, the structure is simple, the operation is convenient, labor intensity is lowered, production efficiency is improved, dismounting and mounting are convenient, the service life is long, production cost is low, and popularization and use are facilitated.

The invention discloses a gear rack driving type decompressor. The gear rack driving type decompressor comprises a rectangular bottom plate, a power box and a push rod. The gear rack driving type decompressor further comprises a first punching head and a second punching head which are used for punching a work piece; a gear is fixedly installed on a power output shaft of the power box, and the gear is meshed with a rack to form a gear rack transmission pair; the rack is fixedly installed at the downside of the push rod, and the push rod is glidingly installed on a first supporting plate and a second supporting plate; the first supporting plate and the second supporting plate are fixedly installed at upside of the rectangular bottom plate through a screw; the front end of the push rod is respectively and rotationally connected with one end of a first linking rod and a second linking rod, and the other end of the first linking rod is rotationally connected with the first punching head, and the other end of the second linking rod is rotationally connected with the second punching head. The gear rack driving type decompressor has the following characteristics of being reasonable in design, convenient to operate, high in degree of automation, high in production efficiency, time-saving and labor-saving, long in service life, wide in application scale, low in production cost, and convenient to popularize and use.

The invention discloses a control system and training method of an upper limb coordination and rehabilitation training device. The control system of the upper limb coordination and rehabilitation training device includes a first pneumatic system and a second pneumatic system which are symmetrical to each other and further comprises a soundless compressor, an air source pressure sensor, an air storage tank and a pattern switching solenoid valve; the first pneumatic system includes a first reversing solenoid valve, a first vent valve, a first one-way valve and a first proportional pressure adjusting valve; the second pneumatic system includes a second reversing solenoid valve, a second vent valve, a second one-way valve and a second proportional pressure adjusting valve. A second end of thefirst proportional pressure adjusting valve is communicated with the soundless compressor, the air source pressure sensor and the air storage tank. By means of the control system and training method of the upper limb coordination and rehabilitation training device, a rehabilitating person can be effectively assisted in independently and autonomously completing rehabilitation training, the independence and pertinency of upper limb rehabilitation training are improved, and the rehabilitating person can be helped to come back to the daily life and work.

The invention discloses an elastic drum cleaning device of a belt-type conveyor. The elastic drum cleaning device comprises a base, a supporting frame used for supporting a drum, and a scraping plate contacting with the surface of the drum and utilizing friction force to clean, the supporting frame is fixedly mounted on the upper side of the base, a rolling shaft is rotatably mounted on the supporting frame, the drum which freely rotates along with the rolling shaft is arranged on the rolling shaft, a step rotating shaft is rotatably mounted on the supporting frame, a rolling bearing is arranged between the step rotating shaft and the supporting frame, the scraping plate is fixedly mounted on the step rotating shaft, and a torsion spring used for tightly pressing the scraping plate on a non-working face of the drum is arranged between the scraping plate and the supporting frame. The elastic drum cleaning device has the advantages of reasonable design, freeness of rigid impact during use, long service life, simple structure, small size, light weight, convenience in mounting and demounting, low producing and using cost and convenience for popularization and application.

The invention discloses a thin-wall round pipe turning fixture. The thin-wall round pipe turning fixture comprises a step mandrel, and further comprises multiple disc springs and a pressing plate for pressing the disc springs, wherein a workpiece positioning table and a disc spring cushion table are arranged at one end of the step mandrel in sequence; an external thread is arranged at the other end of the step mandrel; the step mandrel is coated by multiple disc springs for outwards ejecting and supporting thin-wall round pipes to be machined; elastic rubber sleeves for increasing the frictional force between the disc springs and the thin-wall round pipes to be machined are arranged at the outer sides of the disc springs; the pressing plate for applying the axial pretightening force to the disc springs is arranged on the step mandrel at one sides of the disc springs; and a pressing nut fitting the external thread for use is arranged on the step mandrel at one side of the pressing plate. The thin-wall round pipe turning fixture has the characteristics of reasonable design, simple structure, high machining precision, convenience for workpiece disassembly, low labor intensity, high production efficiency, long service life, low production cost and convenience for promotion and application.

A flexible clamping finger provided with microchannels comprises an elastic finger part used for adapting to the shape of a clamped part through self-deformation and providing clamping force, and a microflow control part used for controlling pressure of air chambers in an elastic finger. In the elastic finger part, a finger body in the elastic finger part is cuboid, and made of elastic materials, and shaping strips are arranged at both sides of the finger body longitudinally; the upper and lower parts of each side of the finger body are each provided with one shaping strip; the air chambers are arranged in the middle of the finger body, and comprise straight quadrangular prism air chambers and straight triangular prism air chambers; the air chambers are arranged symmetrically up and down from the view of the horizontal cross section, and in the upper layer of air chambers or the lower layer of air chambers, the straight quadrangular prism air chambers and the straight triangular prism air chambers are alternately arranged; the straight quadrangular prism air chambers and the straight triangular prism air chambers in the same row are arranged equidistantly front and back from the view of the longitudinal cross section; and in the microflow control part, the microchannels penetrate through the finger body and communicate with the straight quadrangular prism air chambers and the straight triangular prism air chambers. The flexible clamping finger provided by the invention is high in flexibility, and physical damage is avoided.

The invention discloses a cylindrical work piece bolt pressing apparatus comprising an L-shaped installation seat. The side wall of the L-shaped installation seat is equipped with a plurality of fixing grooves fixing the L-shaped installation seat; the cylindrical work piece bolt pressing apparatus further comprises a thread sleeve and a screw rod forming a thread pair with the thread sleeve; a V-shaped groove cushion block supporting a cylindrical work piece is fixed on the upper side of the L-shaped installation seat; a transverse supporting plate is fixed on the side wall of the L-shaped installation seat; the thread sleeve is fixed on the transverse supporting plate; the screw rod is disposed in the thread sleeve; the lower end of the screw rod is rotationally provided with a V-shaped groove press head pressing the cylindrical work piece; and a rotary handle is fixed on the upper end of the screw rod. The cylindrical work piece bolt pressing apparatus is characterized by rational design, reliable work piece clamping, strong reinforcement, simple structure, convenient operation, convenient detachment, easy carrying, long service life, wide application range, low production cost and easy promotion and use.

The invention discloses a reciprocating double-station stamping device. The device comprises a rectangular base and a support. A push rod is in mounted on the support in a sliding mode, a reset spring is arranged on the push rod through a retaining block, and a roller which is fit with a disc cam and used for reducing friction is arranged at one end of the push rod through a roller frame in a rotary mode. The disc cam is arranged on a mounting frame in a sliding mode, a rack is fixed on the rear side of the disc cam, and a gear meshed with the rack to form a gear-rack transmission pair is fixed at the end of a power shaft. the other end of the push rod is in rotary connection with one end of a first connection rod and one end of a second connection rod respectively, the other end of the first connection rod is in rotary connection with a first stamping head, and the other end of the second connection rod is in rotary connection with a second stamping head. The device has the advantages of being reasonable in design, convenient to operate, high in automatic degree, high in production efficiency, time saving and labor saving, long in service life, low in production cost and convenient to popularize and use.

The invention discloses an ejection fixing device for milling. The ejection fixing device for milling comprises a mounting base, a slide tip and a screw rod for supplying driving force; a bracket is fixedly mounted on the upper side of the mounting base; the slide tip is slidingly mounted in the bracket through a polish hole; the screw rod parallel to the slide tip is mounted in the bracket through a thread hole; the tail end of the slide tip is fixedly connected with the upper end of a connecting piece; the lower end of the connecting piece is rotationally connected with a rotating shaft; one end of the rotating shaft is fixedly connected with the screw rod; a driving handle is fixedly mounted at the other end of the rotating shaft; and hatching knurling patterns for increasing friction force are arranged on the outer peripheral surface of the driving handle. The ejection fixing device for milling has the characteristics of good self-locking performance, reasonable design, simple structure, convenience for operation, small size, light weight, convenience for disassembly and maintenance, longer service life, wide application range, low production cost and convenience for promotion and application.

The invention discloses a cam drive type bidirectional reciprocating mechanical arm. The cam drive type bidirectional reciprocating mechanical arm comprises a bottom plate and a power box and further comprises a cam firmly arranged at the end of the power output shaft of the power box, and a first manipulator and a second manipulator firmly arranged at two ends of a push rod; the push rod is arranged at the upper side of the bottom plate in a sliding mode through a first L-shaped support plate and a second L-shaped support plate arranged in parallel, an idler wheel shelf is firmly arranged between the first L-shaped support plate and the second L-shaped support plate on the push rod, the idler wheel shelf is rotationally provided with an idler wheel used with the cam through a pin shaft, and a reset spring used for driving the push rod to reset is arranged between the idler wheel shelf and the second L-shaped support plate. The cam drive type bidirectional reciprocating mechanical arm is featured with reasonable design, simple structure, convenience in operation, high automatic degree, long service life, broad application range, low production cost and convenience in popularization and use.