83results about How to "Uniform driving force" patented technology

The invention relates to a shoulder rehabilitation massager for treating orthopedics shoulder periarthritis and a massaging method thereof. The shoulder rehabilitation massager comprises an adjusting plate, wherein two height adjusting hydraulic cylinders are symmetrically mounted at the lower end of the adjusting plate; a supporting plate is mounted at tops of the two height adjusting hydraulic cylinders through flanges; two shoulder massaging devices are symmetrically mounted at the lower end of the supporting plate through a rib plate; the two shoulder massaging devices are used for carrying out all-directional flexible circulating massaging on double shoulders of a patient with the shoulder periarthritis, so that the massaging intensity is uniform, the massaging effect is good and the rehabilitation effect is good. By adopting the shoulder rehabilitation massager provided by the invention, the difficulties of existing shoulder periarthritis manual massaging treatment manner and mechanical automatic rehabilitation treatment manner that the operation is complicated, the massaging intensity is not uniform, the massaging effect is poor, the treatment comfort is low, the rehabilitation treatment speed is low and the like can be overcome; a rehabilitation treatment function of carrying out all-directional flexible magnet therapy circulating massaging of the double shoulders can be realized, and manual operation is not needed; the shoulder rehabilitation massager has the advantages of uniform massaging intensity, good massaging effect, good treatment comfort, rapid rehabilitation treatment speed and the like.

The invention relates to orthopaedics rehabilitation treatment equipment with magnet therapy and blood circulating functions. The orthopaedics rehabilitation treatment equipment comprises a mounting plate, two symmetrically-arranged lifting adjusting mechanisms and two symmetrically-arranged linear guide rails are installed above the front side of the mounting plate, the two linear guide rails are located between the two lifting adjusting mechanisms, adjusting plates are installed on the two linear guide rails, and the two ends of each adjusting plate are symmetrical installed on the two lifting adjusting mechanisms; the lower end of each adjusting plate is symmetrically provided with two height adjusting hydraulic cylinders, the top ends of the two height adjusting hydraulic cylinders are provided with supporting plates through flanges, and the lower end of each supporting plate is symmetrically provided with two shoulder massaging devices through rib plates; a physical therapy chair is installed below the front side of the mounting plate, and magnet therapy mechanisms are arranged inside the upper side of the front end face of the physical therapy chair and the inside of the middle end of the physical therapy chair. According to the rthopaedics rehabilitation treatment equipment with the magnet therapy and blood circulating functions, a rehabilitation treatment function of dual-shoulder omnibearing flexible circulating massage and magnet therapy blood circulating can be achieved, and the orthopaedics rehabilitation treatment equipment has the advantages of being uniform in massage strength, good in massage effect, high in therapy comfort level, and high in rehabilitation treatment speed and the like.

The strap-type coaxial medium-high-frequency loudspeaker comprises: a high-pitch loudspeaker unit on center, which comprises: a magnetic circuit with all of a loop top magnetic conductive plate and a high-pitch loop Nd-Fe-B magnet and a U-shaped magnetic conductive plate, and a high-pitch strap plane diaphragm; and a mean-tone loudspeaker unit on outer loop, which comprises: a T-shaped magnetic circuit with all of a mean-tone U-shaped magnetic conductive plate and a loop magnetic conductive column and a loop Nd-Fe-B magnet, and a double arc diaphragm. This invention belongs to Hi-Fi apparatus.

The invention discloses a snail-type vertical centripetal straight-toothed shaft driven non-equidistant cylinder electrically-driven double-work engine, comprising central straight drive shaft, eccentric shaft gear disc, cylinder, piston, drive push-pull chain rod, and external output main drive one-way gear, where the engine is like a snail and its inside has plural cylinders, annularly and vertically distributed, the external output main drive one-way gear is installed on one side of the central straight drive shaft for transmitting rotating force. And the invention has characters of low energy loss, uniform driving force, and able to implement two driving modes of cylinder and electric powder.

The invention provides a pad conveying mechanism of a combined grinder of an automobile brake pad. A pad conveying ratchet wheel is arranged at the pad outlet of a pad containing box; one side of the pad conveying ratchet wheel is provided with a guide rail which extends into the combined grinder; and the pad conveying ratchet wheel is connected with a power system and is similar to an equilateral polygon. The pad conveying mechanism utilizes the principle of a ratchet wheel mechanism, uses a proper pad conveying ratchet wheel, and utilizes the characteristic that the horizontal velocity component is changed in the moving process of ratchets so as to lead the brake pad to obtain uniform and strong thrust during the grinding process and keep stable conveying speed; thereby, the quality of the brake sheet is ensured and the production efficiency is improved.

The invention relates to a portable bicycle, which is characterized in that a bicycle seat frame is arranged on a lower bicycle frame; the portable bicycle comprises a bicycle seat, a seat rod, a rear upper fork and a rear upper fork frame; the lower end of the seat rod is connected with the front end of a front wheel accommodating groove of the lower bicycle frame through a seat rod shaft; the bicycle seat is arranged at the upper end of the seat rod; the upper end of the rear upper fork is connected with the seat rod through a rear upper fork shaft; the rear upper fork frame is fixedly connected with the rear end of the front wheel accommodating groove on the lower bicycle frame; a front bicycle frame, the seat rod, the lower bicycle frame and the rear upper fork are respectively made of two rectangular parallel flat plates which are arranged symmetrically, so that a front bicycle wheel and a rear bicycle wheel are inserted in a gap between the parallel flat plates when the bicycle body is folded, therefore the volume of the folding bicycle is largely reduced. On the condition of adopting a bicycle wheel with a diameter of 10 inches, the folded size of the portable bicycle disclosed by the invention is 64 cm * 25.4 cm * 9.5 cm; and the portable bicycle has the advantages of light weight, high folding speed and convenience and safety for riding.

The invention relates to a solution phase inversion membrane preparation solvent replacement and digestion device and solves problems of present devices, such as high recovery cost, large solvent residual quantity in the membrane, low recovery rate of the solvent and difficulty in realizing solvent replacement and digestion continuous production. The technical scheme is as follows: the device provided by the invention contains a plurality of coagulation baths which are sequentially arranged from front to back; the first coagulation bath is provided with an outlet; the last coagulation bath is provided with an inlet; and adjacent coagulation baths communicate with each other through pipelines or openings on bath walls. The device provided by the invention has advantages of simple structure, high recovery rate of the solvent, low recovery cost and no sewage discharge, and can be used to realize continuous operation of the system.

The invention discloses an electric brush structure installed in a slide wire current collector and relates to the technical field of slide wires. The electric brush structure comprises a current collector shell and an electric brush; an electric brush fixing groove is formed in the current collector shell, a guide brush holder is fixed in the electric brush fixing groove, an opening groove is formed in one side of the guide brush holder, a constant force driving spring assembly is clamped in the opening groove, the constant force driving spring assembly comprises a constant force coil springand an L-shaped fixed support which are riveted together through rivets, the constant force coil spring is placed in a cavity of the guide brush holder, the electric brush is further arranged in the cavity of the guide brush holder in a sliding mode, the constant force coil spring contacts and abuts against the bottom surface of the electric brush, a guide sliding chute is formed in one side of the electric brush, and the guide sliding chute is in sliding fit with the head of a cylindrical end of the rivet. According to the electric brush structure in the invention, the electric brush can be well guided during telescopic motions, the electric brush is not prone to skewing and jamming, and the electric brush is not easy to wear; the constant force spring driving structure can provide balanced driving force, thereby facilitating stable and reliable power supply of the slide wire in the moving process.

The invention relates to a cutting device for strips made of plastically deformable material, the strips are moved onto a conveyor belt in a channel extending longitudinally along the strips, and have at least one cutting line extending transversely to the channel, cutting The wire is clamped on the clamping frame at the end side, and the clamping frame makes the cutting wire move from one side of the channel to the other side and back with the longitudinal movement through the longitudinal transmission device and the transverse transmission device. The transverse transmission device includes a hinged rod A crank connecting rod, one end of the hinge rod is connected to the clamping frame through a first rotary hinge to swing around the first hinge axis, and the other end is connected to one end of at least one swing rod through a second rotary hinge to swing around the second swing axis Connected, the other end of the swing rod swings around the bearing axis and is supported on the turntable bearing. To ensure the length of the lateral movement of the clamping frame, the first and second articulation axes and the bearing axis extend parallel to the longitudinal direction of the channel, the clamping frame moves in relation to the crank rod in a longitudinal guide extending longitudinally along the channel.

A plurality of rodlike permanent magnets each having a width Wm, a thickness Tm and a predetermined length are arranged on a plane at a fixed pole pitch tau(p) while having different magnetic poles face alternately. Two such layers are arranged while spaced apart by a distance 2 x lg by having the same magnetic poles face each other in the vertical direction. An oscillation membrane forming a coil of conductor pattern is arranged in the middle of clearance between the adjoining rodlike permanent magnets in the two layers, and arrangement of the rodlike permanent magnets is optimized using theWm, Tm, tp and lg.

The invention provides a flat plate type bass loudspeaker, which comprises a vibration diaphragm, at least six independent driving units and an outer casing, wherein the vibration diaphragm is of a rectangular structure and comprises a rigid ball top part and a corrugated rim part, the ball top part is positioned at the center of the vibration diaphragm, the corrugated rim part is positioned at the edge of the vibration diaphragm, each driving unit comprises a voice coil unit and a magnetic circuit unit corresponding to the voice coil unit, the four voice coil units are respectively combined at the four corners of the ball top part of the vibration diaphragm, the other voice coil units are respectively arranged at one group or two groups of opposite edges of the rectangular ball top part, and are arranged in one straight line together with the two voice coils at the edge corners in an equidistant way, the outer casing is provided with mounting holes or voice outlet holes, and the corrugated rim part of the vibration diaphragm is fixedly connected with the peripheral part on the side surface of the outer casing. The flat plate type bass loudspeaker can solve the problems of the heavy voice coils, excessive magnet performance and insufficient driving force.

A safety cabinet door device for an electrical cabinet is used for opening and closing an operation window (101) of the electrical cabinet (100) and comprises an upper protruding part (11), a lower protruding part (12), two guide vertical posts (13), a cabinet door plate (211) and a driving assembly (200), wherein the upper protruding part (11), the lower protruding part (12) and the electrical cabinet (100) are integratedly arranged, the two guide vertical posts (13) are fixedly arranged between the upper protruding part (11) and the lower protruding part (12) and are symmetrically arranged in front of the operation window (101), the cabinet door plate (211) is guided by the two guide vertical posts (13) and can vertically slide, the driving assembly (200) is used for driving the cabinet door plate (211) to vertically slide and comprises two fixed sleeve vertical posts (4) and a fixed connection plate (21), the two fixed sleeve vertical posts (4) are fixed on the upper protruding part (11) in bilateral symmetry, and the fixed connection plate (21) is arranged under the two fixed sleeve vertical posts (4) and is fixedly connected with an upper side edge of the cabinet door plate (211).

A printed circuit board unit includes a first board and a second board. First electrically-conductive terminals are fixed and exposed on the front surface of the first board within a specific area of the first board in a matrix. Second electrically-conductive terminals are arranged in a matrix and supported on the front surface of the second board. The second electrically-conductive terminals have flexibility. Each of the second electrically-conductive terminals is disengageably brought in contact with the corresponding first electrically-conductive terminal. A static pressure member is received on the back surface of the first board within an area corresponding to the specific area to generate a static pressure. An urging plate is overlaid on the static pressure member so that the static pressure member is interposed between the urging plate and the first board. The urging plate exhibits an urging force applied to the first board toward the second board.

The invention provides an annular iron inner core of a rubber belt track, and relates to the technical field of production of rubber belt tracks matched with traveling wheels of engineering machinery operation equipment. The annular iron inner core comprises first iron teeth and second iron teeth which are arranged at intervals; first left lower fork-shaped clamping buckles and second left upper pointed clamping buckles of the first iron teeth and the second iron teeth which are adjacent to each other are meshed with each other; and first right lower fork-shaped clamping buckles and second right upper pointed clamping buckles of the first iron teeth and the second iron teeth which are adjacent to each other are meshed with each other. A phenomenon of derailing or transverse dislocation of the rubber belt track is prevented; abrasion of the rubber belt track on traveling wheels is avoided; vibration and bumping of a running machine are reduced; and the comfort degree of the traveling wheels of the engineering machinery operation equipment is improved; and the service lives of the traveling wheels and the rubber belt track can be prolonged.

The invention discloses an automatic clutch driving mechanism, an engine and a motorcycle. The automatic clutch driving mechanism comprises a clutch cam disc and a clutch operating rocker arm, wherein an open groove is formed in the clutch cam disc; the clutch operating rocker arm drives the clutch cam disc to rotate through the open groove, and separation and reunion of a clutch are achieved; a curve formed by the cross section of the open groove on the side wall is a driving line; the driving line is integrally symmetrical and is gradually increased from inside to outside; and the single side edge of the driving line sequentially comprises a first linear section and a curve section from inside to outside. According to the automatic clutch driving mechanism, driving resistance of the automatic clutch driving mechanism is prevented from being relatively large, resistance suffered by the clutch operating rocker arm is improved through the curve section, blocking is avoided, smoothness of automatic clutch driving is improved, and comfort during gear shifting operation is guaranteed.

An object preparation device for preparing an object in a particle beam apparatus includes at least one cutting device, at least one cutting bevel for cutting the object, where the cutting bevel is arranged at the cutting device, at least one movably embodied object receptacle device having an object receptacle for receiving the object, and at least one drive unit for moving the object receptacle device from a first position of the object receptacle device into a second position of the object receptacle device. The first position of the object receptacle device is an initial position. The second position of the object receptacle device is an analysis and / or processing position of the object receptacle device. An observation axis (OA) extends through the object receptacle when the object receptacle device is arranged at the second position.

A printed circuit board unit includes a first board and a second board. First electrically-conductive terminals are fixed and exposed on the front surface of the first board in a matrix. Second electrically-conductive terminals are arranged in a matrix and supported on the front surface of the second board. The second electrically-conductive terminals have flexibility. Each of the second electrically-conductive terminals is disengageably brought in contact with the corresponding first electrically-conductive terminal. A static pressure member is received on the back surface of the first board within an area corresponding to the specific area to generate a static pressure. An urging plate is overlaid on the static pressure member so that the static pressure member is interposed between the urging plate and the first board. The urging plate exhibits an urging force applied to the first board toward the second board.

The invention relates to a magnetic therapy blood circulation rehabilitation therapeutic apparatus for the medical orthopedic department. The therapeutic apparatus comprises a mounting plate, two lifting adjusting mechanisms and two linear guide rails are symmetrically mounted on the front side face of the mounting plate, and the two linear guide rails are located between the two lifting adjustingmechanisms; an adjusting plate is installed on the two linear guide rails, and the two ends of the adjusting plate are symmetrically arranged on the two lifting adjusting mechanisms; two height adjusting hydraulic cylinders are symmetrically arranged at the lower end of the adjusting plate, the tops of the two height adjusting hydraulic cylinders are provided with a supporting plate through flanges, and two shoulder massaging devices are symmetrically mounted at the lower end of the supporting plate through rib plates; a physiotherapy chair is arranged under the front side face of the mounting plate, and magnetic therapy mechanisms are arranged in the upper side and in the middle of the front end face of the physiotherapy chair respectively. According to the therapeutic apparatus, the rehabilitation therapy functions of double-shoulder omni-directional flexible circulation massage, magnetic therapy, muscle relaxing and blood circulation promoting can be achieved, and the therapeutic apparatus has the advantages of being uniform in massage strength, good in massage effect, good in treatment comfort degree, high in rehabilitation treatment speed and the like.

The invention belongs to the field of 3D printing fused deposition modeling, and discloses a multi-material synchronous fed FDM spray head. The spray head comprises a feeding unit, a mixing chamber, apneumatic extrusion unit and a nozzle, wherein materials enter the mixing chamber from the feeding unit, then are stirred and uniformly mixed, enter the nozzle under the action of the pneumatic extrusion unit and are extruded; and the feeding unit comprises a plurality of feeding ports, each feeding port is provided with a funnel, an upper pneumatic butterfly valve, a transition bin and a lower pneumatic butterfly valve, after the materials are added into the funnels, the upper pneumatic butterfly valves are opened to enable the materials to enter the transition bins, then the lower pneumaticbutterfly valves are opened to enable the materials to enter the mixing chamber, in the process, the upper pneumatic butterfly valves and the lower pneumatic butterfly valves are opened separately step by step, so that external gas is prevented from entering the mixing chamber, air pressure in the mixing chamber is ensured, and meanwhile the materials in the mixing chamber are prevented from being oxidized. According to the spray head, extrusion forming of complex parts including different types and different gradient materials is realized, the forming time is shortened, and the forming efficiency and the forming precision are improved.

The invention provides a high-stability electric surfboard. The high-stability electric surfboard comprises a surfing base board, a power source component, a drive component and a steering control component. The drive component comprises a drive circuit template, a drive motor and fan blades. A power source installation cavity is formed in the middle portion of the upper layer of the surfing baseboard, and a drive installation cavity is formed in the tail portion of the upper layer of the surfing base board. The power source component is installed in the power source installation cavity, andthe drive circuit template is installed in the drive installation cavity. The fan blades are installed on a rotary shaft of the drive motor, and the fan blades and the drive motor are installed on thetail portion of the lower layer of the surfing base board, so that the front end of the surfing base board is lifted up, the tail portion of the surfing base board inclines downwards, the gravity center of the whole surfing base board deviates to the rear portion horizontally, the fan blades can drive a water stream to be obliquely sprayed out downwards, the surfboard stably moves forwards at a low speed, use stability is improved, losses are reduced, and a surfing effect is guaranteed. The surfboard is matched with the structure that the outer wall faces of sealing layers are flush with thefour side walls of a power source cover body and the four side walls of a drive cover body, water is prevented from flowing into the cavities, and normal use of the electric surfboard is guaranteed.

The invention provides an energy-saving type cabinet door device for an electric cabinet for opening and closing an operation window (101) of the electric cabinet (100). The energy-saving type cabinet door device comprises an upper projection part (11), a lower projection part (12), two guide upright posts (13), a cabinet body door sheet (211) and a drive assembly (200), wherein the upper projection part (11), the lower projection part (12) and the electric cabinet (100) are integrally arranged; the two guide upright posts (13) are fixedly arranged between the upper projection part (11) and the lower projection part (12) and are symmetrically distributed at the front end of the operation window (101); the cabinet body door sheet (211) is guided by the two guide upright posts (13) and can slide up and down; the drive assembly (200) is used for driving the cabinet body door sheet (211) to slide up and down; the drive assembly (200) comprises two fixed sleeve upright posts (4) and a fixed connection plate (21); the two fixed sleeve upright posts (4) are bilaterally symmetrically fixed on the upper projection part (11); and the fixed connection plate (21) is located at the lower parts of the two fixed sleeve upright posts (4) and is fixedly connected with the upper edge of the cabinet body door sheet (211).

The invention discloses a compound drive bicycle. The bicycle comprises a transmission hoist in transmission connection with a corresponding intermediate shaft wheel and a pneumatic drive device in transmission connection with a rear wheel and further comprises a transmission conversion device. The transmission conversion device comprises air cylinders and a crank. The air cylinders are in transmission connection with the transmission hoist through the corresponding crank and a transmission coupling device. The air cylinders are connected with the pneumatic drive device through exhaust valvesof the air cylinders. The compound drive bicycle is particularly simple and reasonable in transmission structure, fast in starting, high in traveling speed and transmission efficiency, capable of saving more labor, good in different-power coordination and balanced in drive force in the traveling process.

A cabinet door apparatus for an electrical cabinet is used to open and close an operation window (101) of the electrical cabinet (100), and comprises an upper projecting part (11) and a lower projecting part (12) integrally arranged with the electrical cabinet (100), two guiding columns (13) which are arranged between the upper projecting part (11) and a lower projecting part (12) and symmetrically arranged in the front end of the operation window (101), a cabinet door plate (211) which is guided by the two guiding columns (13) and can slide up and down, and a driving assembly (200) which drives the cabinet door plate (211) to slide up and down, wherein the driving assembly (200) comprises two fixed sleeve columns (4) which are fixed on the upper projecting part (11) in a left-right symmetrical way, and a fixed connecting plate (21) which is arranged under the two fixed sleeve columns (4) and fixedly connected to the upper edge of the cabinet door plate (211).

The invention discloses an amphibious transport vehicle. The amphibious transport vehicle comprises an upper vehicle body and a lower vehicle body, wherein the upper vehicle body and the lower vehicle body are connected through a sliding plate device; the upper vehicle body comprises a vehicle frame; a hydraulic cylinder is mounted on the vehicle frame; a piston rod of the hydraulic cylinder is connected to a vehicle compartment; a driving cab is arranged on one side of the upper vehicle body; the lower vehicle body comprises floating boxes, and a driving sprocket and a guiding wheel are connected to each floating box; a crawler belt is tensioned on each driving sprocket and each guiding wheel in a ringwise shape; load bearing pieces are connected to a supporting beam through pin shafts; the supporting beam is connected to the floating boxes; and load bearing wheels in contact with the crawler belts are mounted on each load bearing piece. The amphibious transport vehicle disclosed by the invention has the advantages of being uniform in load bearing, small in wear of the crawler belts, and long in service life.

A stable cabinet door apparatus for an electrical cabinet is used for opening and closing an operating window (101) of an electrical cabinet (100). The apparatus comprises an upper protruding portion (11) and a lower protruding portion (12) integrally arranged with the electrical cabinet (100), two guiding columns (13) fixedly arranged between the upper protruding portion (11) and the lower protruding portion (12) and symmetrically distributed at the front end of the operating window (101), a cabinet door plate (211) which is guided by the two guiding columns (13) and can be slid up and down, and a driving assembly (200) used for driving the cabinet door plate (211) to slide up and down, wherein the driving assembly (200) comprises two fixed sleeve columns (4) fixed on the upper protruding portion (11) on the left and the right symmetrically, and a fixed connecting plate (21) which is under the two fixed sleeve columns (4) and is fixedly connected with the upper edge of the cabinet door plate (211).

The invention discloses a directional grouting structure which is used for directional grouting in a grouting hole and comprises a casing material poured in the grouting hole, a flow guide pipe, a grouting pipe and sealing plugs, wherein the flow guide pipe is arranged in the grouting hole, a plurality of rows of slurry spraying openings for directional spraying are formed in the flow guide pipe,and the flow guide pipe is wrapped by the casing material; the grouting pipe is arranged in the flow guide pipe, and a slurry outlet is formed in the grouting pipe; and the two sealing plugs are fixedto the grouting pipe, the slurry outlet is located between the two sealing plugs, the grouting pipe can move in the flow guide pipe in a sliding mode through the sealing plugs, a slurry spraying cavity is formed between the two sealing plugs and the flow guide pipe, and the slurry spraying cavity is connected with at least one row of slurry spraying openings. Meanwhile, the invention further provides a deviation rectifying system for a pier roadbed. The directional grouting structure and the deviation rectifying system of the pier roadbed have the advantage that damage to surrounding existingbuildings is prevented in horizontal deviation renovation of the pier roadbed.