53results about How to "Achieve reverse motion" patented technology

The invention discloses a four-limb rehabilitation training device with a function of moving angle detection. The device comprises a lower right limb mechanism and a control system, left and right hand swing rods are fixed to left and right rotary shafts respectively, rotary supporting members of the left and right rotary shafts are arranged on a base, a rotary encoder is fixed to the right rotaryshaft, the rotary encoder is connected with the control system through a line, the left and right rotary shafts are connected with two inner gears, the two inner gears mesh with two meshed cylindrical gears, the two cylindrical gears are fixed to left and right transmission shafts respectively, left and right rocking rods which are fixed to the left and right transmission shafts are connected with left and right lower limb mechanisms respectively, two revolute four-bar mechanisms are adopted by the left and right lower limb mechanisms to be connected with left and right pedal plates to achieve the swinging of legs in the lower limb moving process of a patient, four limbs move synchronously, and the moving angles of the limbs of the patient are detected by the rotary encoder to perform evaluation feedback on the rehabilitation effect of the patient.

The invention discloses a one-part propelling and retreating mechanism and an endoscopic cutting stapler comprising the same. The one-part propelling and retreating mechanism comprises a turning rod, a pawl, a driving gear, a transmission gear, a reversing gear, a cutting gear and a cutting rack, wherein the turning rod overcomes tension of a spring to turn, the pawl is fixedly connected with the turning rod, a ratchet wheel is fixed on the turning rod and in transmission connection with the pawl, the driving gear is fixedly connected with the ratchet wheel and is in transmission connection with the transmission gear and the reversing gear, and the cutting rack is in transmission connection with the cutting gear. The stapler comprises the one-part propelling and retreating mechanism, a casing and an ejection rod, wherein the one-part propelling and retreating mechanism is fixedly mounted on the casing. With adoption of a structure of the ratchet wheel and all the gears, cutting is finished once, an operation process is simplified, and the product reliability is improved remarkably.

The invention relates to a two-way reciprocating rectilinear movement dual-drive device, which comprises a rack, wherein a fender screw rod nut mechanism and a ring plate screw rod nut mechanism are arranged on the rack in parallel; a ring plate sliding seat is arranged on the ring plate screw rod nut mechanism and is in sliding fit with a ring plate guide rail mechanism; a ring plate pull rod is fixedly connected with the ring plate sliding seat; a fender sliding seat is arranged on the fender screw rod nut mechanism and is in sliding fit with a fender guide rail mechanism; and a fender pull rod can be connected with the fender sliding seat through a manner that the length can be adjusted along an axial direction of a fender guide rail. According to the two-way reciprocating rectilinear movement dual-drive device, through adopting the structure, the movement accuracy is improved, and the aim that the fender pull rod and the ring plate pull rod are simultaneously moved in the same direction or the opposite direction is realized. An axial position of the fender pull rod can be adjusted through rotating an adjusting screw rod. Therefore, reasonable doffing is realized, a user can use conveniently, and the product quality is improved.

The invention discloses inductive disinfection equipment and a disinfection method applying the same. The disinfection equipment adopts the inductive disinfection method. The disinfection equipment comprises a disinfection device and an inductive control device; the disinfection device contains a sterilizing and disinfecting solution, a jet orifice is arranged on the disinfection device for jetting the sterilizing and disinfecting solution, and the human portions are disinfected; the inductive control device comprises an induction module, a control module and a humidity detection module; the induction module obtains the human portion size to be disinfected, the control module is connected with the induction module, and according to the obtained human portion size data, the jet amount of the sterilizing and disinfecting solution of the disinfection device is regulated. The inductive disinfection equipment is simple in structure, hypochlorous acid is adopted for disinfecting, the using cost is lowered, and due to adjustable disinfection of the disinfection device, comprehensive disinfection is ensured.

The invention relates to an automatic food bagging machine. The automatic food bagging machine comprises a rack, a rotary bag clamping device, a bag feeding device, a bag opening device, a discharging device, a bag clamping device, a power device, a moving and taking device and heat sealing devices, wherein the rotary bag clamping device, the bag feeding device, the bag opening device, the discharging device, the bag clamping device, the power device, the moving and taking device and the heat sealing devices are mounted on the rack; and the power device is arranged below the rack, the moving and taking device is connected with the rotary bag clamping device and the heat sealing devices, and the heat sealing devices are arranged on the two sides of the moving and taking device respectively. The automatic food bagging machine has the advantages that packaging bag clamping is reliable and efficient; a connecting rod mechanism carries a packaging bag, and the carrying efficiency is high; the packaging bag is opened reliably and fully; food discharging is accurate and controllable; driving components are few, and transmission is compact and efficient; the packaging bags are moved and taken in order, and the moving and transporting efficiency is high; and the packaging quality is high, and the sealing performance is good.

The invention discloses a one-part propelling and back-off mechanism and an endoscope lower cutting anastomat formed by the same. The one-part propelling and back-off mechanism comprises a rotating rod, a driving shifting block, a return shifting block, a driving toothed plate, a transmission gear, a cutting toothed plate and a cutting rack, wherein the rotating rod rotates by overcoming tension of a spring, the driving shifting block and the return shifting block are fixedly connected with the rotating rod and connected with a driving toothed plate in a transmission mode, the driving toothed plate is connected with the transmission gear in a transmission mode, the cutting toothed plate and the transmission gear are coaxially installed, and the cutting rack is connected with the cutting toothed plate in a transmission mode. The endoscope lower cutting anastomat comprises the one-part propelling and back-off mechanism, a shell and an ejector rod, one end of the spring is fixedly connected with the rotating rod, and the other end of the spring is fixedly connected to the shell. The traditional process of propelling a cutting head three times is avoided, and the cutting head is propelled in place at a time.

The invention discloses a multi-layer medicine supplementing buffer device which comprises a medicine box separation belt, a two-way conveying belt and multi-layer horizontal medicine supplementing belts. The multi-layer horizontal medicine supplementing belts are sequentially arranged from low to high, and in every two adjacent layers of horizontal medicine supplementing belts, the discharging end of the horizontal medicine supplementing belt at the high position is connected with the feeding end of the horizontal medicine supplementing belt at the low position; the medicine box separation belt is obliquely arranged, the lower end of the medicine box separation belt is a feeding end, and the upper end of the medicine box separation belt is a discharging end; the feeding end of the medicine box separation belt is located on the front side below the discharging end of the lowest horizontal medicine supplementing belt, and the discharging end of the lowest horizontal medicine supplementing belt is connected with the feeding end of the medicine box separation belt through a discharging groove; and the two-way transmission belt is longitudinally arranged. The multi-layer medicine supplementing buffer device is provided with the multi-layer horizontal medicine supplementing belts and the two-way conveying belt, and the two-way conveying belt can achieve reverse movement of medicine boxes to conduct medicine supplementing buffer.

The invention relates to a bag opening device for a food packaging bag. The device comprises a fixed seat, an intermediate gear, a first rack, a second rack, a cross clamping block, an inner suction tube, an outer suction tube, an upper blowing tube, a bag opening cylinder and a transmission plate; the fixed seat is arranged on a frame, the intermediate gear is hinged to the fixed seat, the firstrack and the second rack are movably connected on the fixed seat, and the first rack and the second rack are meshed with the intermediate gear from the two sides; the inner suction tube is installed on the second rack through the cross clamping block, and the outer suction tube is installed on the first rack through the cross clamping block; the upper blowing tube is installed on the fixed seat; and the bag opening cylinder is installed on the fixed seat. The device has the advantages of reliable bag opening and sufficient bag opening through adsorption-type bag opening and blowing-type bag bulging.

The invention provides a linear compressor. The linear compressor comprises a machine shell, a linear motor, an air cylinder, a first piston, a connecting rod and a second piston. The linear motor comprises a stator, a first rotor and a second rotor. The air cylinder defines a first compression cavity and is provided with a first exhaust valve. The first piston is arranged in the first compressioncavity, provided with a first air suction hole and provided with a first air suction valve. The connecting rod is connected with the first piston, is driven by the first rotor to drive the first piston to reciprocate and is provided with a second compression cavity communicating with the first air suction hole. The second piston is inserted into the second compression cavity, provided with a second air suction hole and provided with a second air suction valve. When the first piston moves towards the first exhaust valve, the second piston is driven by the second rotor to gradually get away from the first piston, so that gas in the second air suction hole pushes the second air suction valve to enter the second compression cavity; and when the first piston moves away from the first exhaust valve, the second piston gradually gets close to the first piston, so that gas in the second compression cavity is compressed by the second piston to push the first air suction valve to enter the firstcompression cavity. By means of the linear compressor, the air suction amount is increased through multi-stage compression.

The invention discloses a rack-based concrete pumping device. The device comprises a workbench, a first cylinder body, a second cylinder body, a gear set and a rack; the first cylinder body and the second cylinder body are arranged on the workbench in parallel at intervals, pistons are arranged in the first cylinder body and the second cylinder body correspondingly, and driving rods extending to the corresponding rear of the first cylinder body or the corresponding rear of the second cylinder body are arranged at the tail parts of the pistons; the gear set is arranged on the workbench and located between the two driving rods, and the gear set comprises a driving gear and a driven gear meshing on the two sides of the driving gear; and the rack is arranged on one side of the driving rod andmeshes with the corresponding driven gear. By this way, according to the rack-based concrete pumping device, through the cooperation between the gear set and the rack, reverse movement of the pistonsin the first cylinder body and second cylinder body is achieved, the action precision is high, the high-speed movement of the pistons is facilitated, and the concrete pumping efficiency is improved.

The invention provides a camshaft phase modulator oil channel separation device in the technical field of valve timing. A phase modulator (2) is connected to a camshaft (1). A middle hole (5) is formed in the middle portion of the separation device (4) arranged in a cavity (3) at the end of the camshaft (1). One end of the separation device (4) is movably connected to the bottom of the cavity (3) of the camshaft (1), and the other end of the separation device (4) is fixedly connected to the phase modulator (2). Both ends of a channel (6) between the separation device (4) and the cavity (3) are respectively communicated with a second oil channel (7) and a phase modulator oil channel A (10). Both ends of the middle hole (5) of the separation device (4) are respectively communicated with a first oil channel (9) and a phase modulator oil channel B (8). The camshaft phase modulator oil channel separation device can regulate and control the operating state of the phase modulator as well as ensure the automobile engine performance. The camshaft phase modulator oil channel separation device can reduce the complexity of an engine camshaft machining technology.

The invention relates to a powder sorting unit which comprises a sorting plane, a driving wheel shaft, a driven wheel shaft, a motor, a vibration source, a dustproof cover, a powder recovering tank and a powder collecting tank. The sorting plane is formed by connecting metal thin belts end to end and is supported by the driving wheel shaft and the driven wheel shaft, the driving wheel shaft is connected with the motor, the driving wheel shaft, the driven wheel shaft and the sorting plane form a conveying belt type motion mechanism, the driving wheel shaft is driven by the motor to rotate, thesorting plane is driven to move, the inner sides of the upper plane and the lower plane of the sorting plane are in contact with the vibration source, the exterior of the motion mechanism is providedwith the dustproof cover, the powder recovering tank and the powder collecting tank are connected with the dustproof cover, and the included angle formed between the sorting plane and the ground is adjustable. Powder sorting is achieved by adjusting the included angle formed between the sorting plane and the ground, the vibration frequency and the vibration intensity of the vibration source and the rotating speed of the motor. Compared with the prior art, the powder sorting unit conducts powder sorting according to the degree of sphericity and the mobility, and irregular powder can be effectively removed.

This invention relates to a gear-selection-device (1) for a shift-changing gear, especially for a bicycle-mover, with a control-device (5), which acts through a force-transmission-element on the shift-changing gear, an operation-device with a rotatably movable operation-element to manually operate the control-device (5), and a display-device (3) with an indicator-element (4), which can move alonga circular arc, to show the gear-changed state selected by the operation-device. The angle-movements are transferred from the operation-device or the control-device (5) through the gear-transmission-device to the display-device (3), so that the circular arc passed through by the indicator-element (4) of the display-device (3) is smaller than the circular arc passed through at the same time by theoperation-element of the operation-device. This results in an improved readability of the display-device (3) and also an improved ergonomics of the gear-selection-device (1).

The invention discloses a combined multi-blade saw device and a sawing method. A large amount of heat energy is produced in a sawing process of saw blades during the operation of equipment used for sawing so that quick damage of the saw blades is caused in the prior art. The method comprises the steps that a workbench (2) is mounted above a base (1); a group of auxiliary wheels (3) and a group of feeding parts (4) are mounted on the upper part of the workbench; the feeding parts are connected with one end of a spring (6) through a connecting bolt (5); the other end of the spring is connected with the lower part of the base; a group of supports (7) are mounted on the lower part of the workbench; the feeding parts are mounted on the supports; a feeding platform (8) is arranged on the workbench; a group of guiding plates are mounted on the feeding platform; a group of bearing seats (10) are mounted on the workbench; saw shafts (11) are mounted in the bearing seats; a group of saw blades (12) are mounted at one ends of the saw shafts; shaft belt pulleys (13) are mounted at the other ends of the saw shafts and are connected with power output wheels (16) of motors (15) mounted on the base. The combined multi-blade saw device is used for sawing.