30results about How to "Change the transmission direction" patented technology

The invention provides a front dynamic ankle rehabilitation orthotics device. The front dynamic ankle rehabilitation orthotics device comprises a wearing module, a brushless servo direct current motor, a motor driver, an ARM (advanced RISC (reduced instruction set computer) machine) controller, a battery and a composite transmission module, wherein the wearing module is fixed on a shank of a human body through a nylon adhesive fastener; a main shank support is correspondingly attached to the shank of the human body; a foot handle and a foot support are correspondingly attached to an ankle of the human body; the brushless servo direct current motor realizes the functions of reducing rotating speed and improving torque by improving the speed reducing ratio of harmonic assemblies in a harmonic speed-reducing transmission unit; the harmonic speed-reducing transmission unit is connected with a bevel gear transmission unit; a transmission reversing effect is achieved through a bevel gear, damping and buffering effects are achieved through a trapezoidal tooth synchronous belt, and power is transmitted to a simulative ankle joint position finally, so that the plantar flexion and dorsal flexion movement of an ankle joint can be realized; by arranging a limiting switch at the simulative ankle joint position, the ankle joint is prevented from moving at an over-large angle. The front dynamic ankle rehabilitation orthotics device can be used for assisting a patient suffering from an ankle injury in functional rehabilitative training, and is high in portability and high in control accuracy.

The invention discloses a melon and fruit growing greenhouse with an automatic illumination adjustment function, and relates to the technical field of growing greenhouses. The greenhouse comprises a greenhouse body, the lower surface of the greenhouse body is fixedly connected with a plurality of cones, the upper surface of the greenhouse body is fixedly connected with a glass cover, the shape ofthe glass cover is curved, and the upper surface of the glass cover overlaps the lower surface of a sunshade net. According to the melon and fruit growing greenhouse with the automatic illumination adjustment function, a spring in an elastic device is stretched by arranging a winding device, a reverse elastic force is applied on a first traction rope by using own elasticity, an operate switch makes a motor rotate forward, a wire spool can be driven to perform synchronous movement, and the sunshade net slides to left on the upper surface of the glass cover under the action of the spring force so that the greenhouse body can automatically adjust the illumination, thereby being capable of quickly responding according to changes of the external environment.

The invention relates to the field of agricultural machinery, in particular to an agricultural ditcher, comprising a traction rack, two traction cross beams, a main support, a driving device and a cutter disc. One ends of the traction cross beams are connected respectively to the left and right of a cross bar of the traction rack below; the main support comprises a supporting cross beam, a motor supporting plate, a reduction box holder and a guard plate supporting bar; two ends of the supporting cross beam are connected respectively to the other ends of the two traction cross beams; the motorsupporting plate is connected to the lower portion of the supporting cross beam; the guard plate supporting bar is obliquely connected to the middle of the supporting cross beam; the reduction box holder is connected to the lower portion of the front end of the guard plate supporting bar; the driving device is arranged on the reduction box holder; the cutter disc is arranged obliquely on the driving device; the outer side of the cutter disc is peripherally provided with a plurality of ditching blade connection plates connected with arc ditching blades; the outer periphery of the inner side ofthe cutter disc is connected with a curvilinear ditching blades via a plurality of auxiliary ditching connection plates. The agricultural ditcher has the advantages that connective strength of the whole agricultural ditcher is enhanced, transmission efficiency is improved, and ditching effect is improved.

The invention relates to a wild animal trapping device. The wild animal trapping device comprises a box body, a box door, an inducing mechanism, a transmission mechanism and a triggering mechanism, wherein the triggering mechanism comprises a triggering plate, a tension spring, a transmission rod, a pull rope, a limiting rod, a reset spring, a rotating shaft, a first boss and a second boss; the triggering plate and the transmission rod are rotationally assembled on the box body correspondingly; one end, close to an inlet, of the transmission rod extends below the triggering plate, and the other end is connected with the pull rope; one end of the limiting rod is hinged to the top of the box body, and the other end is connected with the pull rope; the rotating shaft is rotationally assembled at the top of the box body, the first boss is arranged on the limiting rod, the second boss is arranged on the circumferential side face of the rotating shaft, and the first boss and the second boss are in stop fit; the two ends of the reset spring are fixed to the limiting rod and the box body correspondingly. The situation that small animals enter the box body to trigger the triggering mechanism is avoided, and the catching efficiency of middle and large wild animals is improved.

The invention relates to the field of communication equipment detection, in particular to a mobile environment detection device for communication equipment. The technical problem to be solved by the invention is that part of existing communication equipment detection devices are poor in stability in a transmission process; part of existing detection devices are poor in box door opening and closing effect in high-temperature environment detection, and part of existing detection devices are inconvenient to move and carry. In order to solve the technical problem, the mobile environment detection device for the communication equipment comprises a temperature control box, and a movable groove is formed in the inner bottom face of the temperature control box. The device is composed of a transmission mechanism and a closing mechanism, when a push block at one end of a rack abuts against an inclined block on a protection box, the protection box is matched with a telescopic rod movably connected to the bottom to move on the surface of a rotating rod, a driven gear on the rotating rod is in matched transmission with the rack through a transmission gear, and the transmission direction is changed, and the transmission stability is improved through cooperation of the transmission gear and the rack.

The invention relates to the technical field of hot blast stoves, and discloses a hot blast stove flame detection device with good protection performance, the hot blast stove flame detection device comprises a stove body, the right side of the stove body is fixedly connected with a mounting shell, the right side of the mounting shell is fixedly connected with a transmission shell, and the mounting shell is internally provided with a sliding device with one end extending to the upper part of the mounting shell. The bottom of the sliding device is fixedly connected with a gear shell located in the mounting shell, and an extending device is arranged in the gear shell. The flame detection device with the good protection performance for the hot-blast stove has the advantages of being good in protection effect and the like, and the problems that most existing hot-blast stoves are internally provided with flame detectors for detecting flames in the stoves, the protection effect is poor, the flame detectors are burnt by the flames in the stoves for a long time, internal circuits can be heated, an insulating layer is melted, and the flame detection efficiency is poor are solved. And meanwhile, smoke dust in the furnace is also easy to cover the surface of a sensor of the flame detector, so that the detection numerical value is inaccurate, and the use is influenced.

The invention discloses an efficient low-noise sewage lift pump station deodorization all-in-one machine which comprises a machine body, a support is fixed to one side of the upper end of the machine body, an adjusting mechanism is installed on the support, an L-shaped pipe and a rubber plug are arranged on the adjusting mechanism, one end of the L-shaped pipe is connected with an air exhaust mechanism, the air exhaust mechanism is connected with the support, a fourth bevel gear is arranged on the air exhaust mechanism, and a transmission mechanism is connected to the fourth bevel gear. Power for operation of deodorization components can be effectively provided only through one double-shaft motor, the construction and use cost can be well reduced, meanwhile, deodorization is conducted in a disinfectant and activated carbon dual mode, the contact effect of odor with the disinfectant and the activated carbon can be well improved, the contact time of the odor with the activated carbon can be well prolonged, the deodorization quality is improved, and the quality of exhausted air is improved; and meanwhile, parts are convenient to replace and overhaul, noise can be effectively reduced, and noise pollution is avoided.

The invention discloses a stent implantation device. The stent implantation device comprises a fixed handle and a percussion handle movably installed on the lower portion of the fixed handle; an inner tube, an outer tube and a tube transmission assembly are arranged in the fixed handle, wherein the inner tube is sequentially sleeved with the outer tube and the tube transmission assembly; the near end of the inner tube is fixedly installed in the fixed handle, and the far end of the inner tube extends out of the fixed handle; the inner tube is sleeved with a pointer assembly movably connected with the tube transmission assembly, and the pointer assembly is fixedly connected with the near end of the outer tube; a gear transmission assembly connected with the percussion handle is further arranged in the fixed handle; a gear shifting button is arranged on the fixed handle; the gear transmission assembly is suitable for switching a transmission direction through the gear shifting button; and the pointer assembly is suitable for driving the pipe transmission assembly to move front and back through the gear transmission assembly. The invention effectively solves the problems that a stent must be operated with both hands during a stent implantation operation and the stent release position is inaccurate in the prior art, can shift and adjust at any time, accurately controls the release position, simplifies the operation and improves the treatment effect.

The invention discloses an active differential pressure balancing device for a high-precision die drawing assembly. The active differential pressure balancing device comprises a bidirectional pressurization rapid reversing mechanism, a self-pre-tightening demolding pressurization mechanism, a pressurization casting mechanism, a gas extrusion mechanism and a sliding extrusion mechanism. The invention belongs to the technical field of die drawing assistance, and particularly relates to an active differential pressure balancing device for a high-precision die drawing assembly. Through the pressurization casting mechanism and the self-pre-tightening demolding pressurization mechanism, the casting pressure can be increased through pressurization of the pressurization casting mechanism, so that the structure is tighter, the quality is higher, a product can be ejected out of a mold through pressurization of the self-pre-tightening demolding pressurization mechanism, negative pressure is avoided, and the production efficiency is improved. Through the bidirectional pressurization rapid reversing mechanism, the pressurization modes of the self-pretightening demolding pressurization mechanism and the pressurization casting mechanism can be switched, and the steps of mold closing and demolding are controlled.

The invention relates to the technical field of switches, in particular to a reclosing device. The reclosing device comprises a shell, a drive motor, a transmission mechanism and an automatic closingmechanism and is characterized in that the drive motor is arranged inside the shell, the transmission mechanism is in linkage with the drive motor, the automatic closing mechanism allows an operationmechanism to close under the effect of the transmission mechanism, the transmission mechanism is provided with a rotary face whose axial height gradually increases under the driving of the drive motor, the automatic closing mechanism is slidably arranged on the rotary face, and the automatic closing mechanism continuously acts on the operation mechanism during the rotation of the transmission mechanism to allow the operation mechanism to complete closing. The reclosing device has the advantages that the closing mechanism, for driving the closing, of the reclosing device is continuous and stable in acting force, and timely and reliable closing can be achieved.

The invention relates to the field of hinges, and relates to a double-shaft hinge and portable electronic equipment. The double-shaft hinge comprises a first transmission shaft, a second transmissionshaft and a moving component, wherein a first spiral guide groove is formed in the first transmission shaft, the second transmission shaft is provided with a second spiral guide groove, the absolute values of the spiral angles of the first spiral guide groove and the second spiral guide groove are different, the spiral directions of the first spiral guide groove and the second spiral guide grooveare opposite, the moving component is between the first transmission area and the second transmission area, the two sides of the moving component are correspondingly provided with a first protruding portion and a second protruding portion, the first protruding portion and the second protruding portion are embedded into the first spiral guide groove and the second spiral guide groove respectively,the first transmission shaft and the second transmission shaft correspondingly rotate at the different angle speeds and in the different rotation direction, and the moving component moves in the direction parallel to the first rotation axis and the second rotation axis. According to the double-shaft hinge and the portable electronic equipment, the problem that a user is inconvenient to operate due to the fact that the front ends of two shells are always in an aligned state when the portable electronic equipment using the double-shaft hinge is in a 360-degree closed state can be solved.