114results about How to "Smooth reciprocating motion" patented technology

The numerically controlled vertical high precision honing machine in the field of mechanical technology includes main shaft driving mechanism of vertical honing head, radial micro feeding mechanism of honing strip, high speed smooth honing head reciprocating mechanism, and digital control system. The connection mode includes vertical setting of the main shaft driving mechanism of vertical honing head and the radial micro feeding mechanism of honing strip on the honing machine bed, connection between the main shaft driving mechanism of vertical honing head and the radial micro feeding mechanism of honing strip via the feeding sleeve, and the connection of the high speed smooth honing head reciprocating mechanism to the main shaft driving mechanism of vertical honing head and the radial micro feeding mechanism of honing strip via bearing. The present invention has the advantages of simple structure, reasonable layout, high stability and reliability, etc.

A linear actuator that can achieve downsizing with a simple configuration, and can provide stable linear reciprocation while achieving improvement in assemblability and cost reduction. In the actuator, movable member 50 faces coil 21 in the winding axis CL direction of coil 21, and in addition, includes magnet 30 magnetized in the coil-winding axis CL direction in a unipolar fashion and output shaft 60 extending in the CL direction. Elastic body 70 is disposed along the coil-winding axis CL direction and configured to deform in that direction to supports movable member 50 such that movable member 50 can reciprocate along the coil-winding axis CL direction. Elastic body 70 is fixed to fixing body 40 and movable member 50 at both ends 71 and 72 in the coil-winding axis CL direction such that central air gap CG is formed between electromagnet 20 and magnet 30.

The invention aims to surely mount and remove a board by a pneumatic mechanism having a simple structure. On a board side of a holding board (1), a movable film (3) which can be deformed in a direction intersecting with a board side plane (1a) in an opening part (1b) provided on the board side plane (1a), and an adhesive member (4) for holding a board (A) by adhesion by facing the board are provided. By reciprocating the movable film (3) by a pressure difference between a primary side space (5) and a secondary side space (S) of the movable film (3), an adhesive surface (4a) of the adhesive member (4) is permitted to abut to the board (A) to hold the board by adhesion, the adhesive surface and the board are forcibly separated and the board (A) is smoothly peeled from the adhesive surface (4a) of the adhesive member (4).

The invention discloses a dual-elbow-rod punch, which comprises a punch. The dual-elbow-rod punch comprises a driving gears and two driving mechanisms, wherein each driving mechanism consists of a driven gear, a connecting rod and a dual-elbow-rod mechanism; one end of the connecting rod is eccentrically hinged on the driven gear, and the other end of the connecting rod is hinged with an upper elbow rod of the dual-elbow-rod mechanism; the two driven gears of the two driving mechanisms are symmetrically and externally meshed at two sides of the driving gear; and hinge points between the connecting rods in the two driving mechanisms and the driven gear are centrally symmetrical relative to a rotating center of the driving gear. The dual-elbow-rod mechanism drives the punch to move, horizontal resultant force stressed on the punch is zero, only force in a vertical direction is stressed, the punch is guaranteed to reciprocate stably in the vertical direction, no friction is formed between the punch and a punch guide seat; and the punch has low energy loss and long service life. A motor is arranged below the punch, the center of gravity of the punch is lowered, whole mass distribution of the punch is even, and the punch is conveniently mounted and fixed.

The invention discloses a hydraulic impactor. Pressure difference formed between the upper end and the lower end of an impacting body by drilling fluid flowing inside an impactor body achieves guide effects on the impacting body and meanwhile enables the impacting body to move axially and reciprocatingly, and a throttle device and an impact transfer device can transmit impact force generated by the impacting body to a drill bit, so that the impacting body can exert the impact force at a certain frequency onto the drill bit. Compared with an existing hydraulic impactor, the hydraulic impactor omits a reversing unit, a working valve and a driving device, thereby being simple in structure and high in use reliability.

A water jacket spacer has a spacer body molded in conformity to the shape of the water jacket and a regulating member whose one side is fixed to the spacer body. The regulating member is composed of a first member which is not water-swellable and is elastically deformable and a second member made of water-swellable elastomer which is integrally fixed to the first member. The regulating member lies in a state not-contacting an opposed wall of the water jacket when inserted into the water jacket together with the spacer body, whereas it blocks a part of cooling water flowing through the water jacket by deforming such that a side of the regulating member not fixed to the spacer body faces toward the opposed wall of the water jacket when the second member swells by absorbing cooling water flown into the water jacket and thereby the first member is elastically deformed.

A blade mounting device (10) of a cutting tool (1) includes a lock device (13, 14) and a blade guide (12). The lock device (13, 14) is configured to releasably lock a blade (B) against a rod (11) of a cutting tool (1). The blade guide (12) is movable relative to the rod (11) in an axial direction of the rod (11) and is coupled to the lock device (13, 14), so that the lock device (13, 14) locks and releases the blade (B) in response to position of the blade guide (12) in the axial direction. The blade guide (12) has a guide recess (12c) capable of guiding and engaging the blade (B), so that the blade guide (12) can be moved by the blade (B) in the axial direction through engagement of the guide recess (12c) with the blade (B). The blade guide (12) has a configuration other than a thin flat plate configuration.

The invention relates to the technical field of pet appliances, in particular to a pet feeder which comprises a base, a material storage barrel, a grain feeding component, a driving component, a feeding basin and a controller, the material storage barrel, the grain feeding component, the driving component and the feeding basin are sequentially connected on the base from top to bottom, a shell is connected on the base, a positioning column is arranged at the bottom of the base, a weight sensor is connected at the bottom of the material storage barrel and / or the feeding basin, the grain feeding component is positioned in the shell, the material storage barrel is detachably connected with the shell, and the feeding basin has a closing position and an opening position under the action of the driving component. According to the pet feeder, surplus grain in the material storage barrel and the feeding basin are weighed, feeding amount of each time is weighed, surplus grain is weighed, structure of the feeder is greatly simplified, structural design difficulty is reduced, and cost is greatly reduced.

The invention discloses vibroseis and a seismic source device based on seismic wave vector synthesis. The vibroseis comprises a first mounting board, a second mounting board, a first spring, a coil, a magnet, and a clump weight, wherein the first spring connects the first mounting board and the second mounting board to enable the second mounting board to perform a reciprocating motion in relative to the first mounting board; the coil is fixed with the first mounting board; one end of the magnet is fixed with the second mounting board, and the other end extends to the coil; and the clump weight is fixed with the second mounting board. The above seismic source device comprises the above vibroseis and an adjustable base. The vibroseis has the simple structure, and the purpose of using a non-destructive seismic source to replace an explosive seismic source in the case of seismic exploration can be realized. According to the seismic source device, through controlling the sizes of forces outputted by multiple vibroseis, vectors are synthesized and seismic waves are outputted, and the seismic source device has a directional detection excitation capability.

The present invention relates to a cam type plastic flat yarn rolling-up machine, in particular, it is a flat yarn rolling-up machine for plastic wire-drawing operation. It is characterized by that on the structure of original flat yarn rolling-up machine the cam can be made into a boss whose edge has curve, the rolling bearings respectively fixedly mounted on left and right moving frames can be rolling fit with said curve boss, and the left and right two boss edges are respectively equipped with one rolling bearing. The described bearing is linear rolling bearing. Said invention can make the reciprocating movement and reversing motion of moving frame more stable and smooth, and can greatly raise flat yarn rolling-up quality.

An oval transmission structure utilizes lower ends of swaying moving shafts at two sides thereof to pivot to front ends of push-pull shafts, whose front portions slope to a determined angle. Rear portions of the push-pull shafts offer treadle frames for treadles to dispose with feet. Rear portions of the push-pull shafts further offer a track frame. An assistant device provides a sliding block with a fixing bolt superimposed at a side of the lower portion of the swaying moving shaft. An attached shaft pivoted to a side of the sliding block connects to an axle bolt of a transmission shaft, whose front end axially connects to a crank, whose rear end serially connects to a track wheel and whose middle determined position disposes a sliding wheel thereunder. The reciprocation brought about by the feet, the two cranks axially trigger the front ends of the two transmission shaft for achieving a relative oval action. The axle bolt motivates the attached shaft for driving the sliding block to move the lower portions of the two swaying moving shafts to achieve a relative displacement. Concurrently, the sliding wheel reciprocating flat on the track frame permits upper portions of the swaying moving shafts to sway oppositely. The two treadle frames accordingly slide on the track wheels. A V-shaped leverage of the transmission shaft could attain a favorable transmission effect in time of users operating the back-and-forth reciprocation.

A dial switch is provided with: a pivoting section (40) having an uneven peripheral surface (46a); a plunger (60); a holding section (52) for holding the plunger (60) so that the plunger (60) can reciprocate; and a coiled spring (51) for pressing the plunger (60). The holding section (52) has a guide surface (53) extending in the direction in which the plunger (60) moves and surrounding the plunger (60) from the outside. The plunger (60) is provided with: an outer wall section (63) which has an outer peripheral surface (63a) located close to the guide surface (53), and also has an inner peripheral surface (63b) having an inner diameter greater than the outer diameter of the coiled spring (51); and an inner shaft (64) which is located inside the outer wall section (63) and has a rear end located further toward the front side than the rear end of the outer wall section (63), the inner shaft (64) being adapted to enable the coil spring (51) to be mounted on the outer side thereof. The difference between the outer diameter of the inner shaft (64) and the inner diameter of the coiled spring (51) is less than the difference between the inner diameter of the outer wall section (63) and the outer diameter of the coiled spring (51).

A torsional vibration reducing device is provided. The torsional vibration reducing device includes a rotating body, a plurality of rolling bodies, and a connection member. The connection member connects the plurality of rolling bodies, and at least two contact portions are positioned on an inner surface of each of the plurality of accommodating portions, a portion of an outer peripheral surface of each of the plurality of rolling bodies being positioned in each of the plurality of accommodating portions, and the outer peripheral surface of each of the plurality of rolling bodies being configured to come into point contact with the contact portions in the circumferential direction of the rotating body.

The invention discloses an automatic plant pruning device for gardens, and belongs to the technical field of landscaping equipment. The automatic plant pruning device comprises a bottom plate and a control panel, wherein a collecting box and a lifting assembly are fixed to the upper surface of the bottom plate, a moving assembly is fixed to the bottom surface of the bottom plate, a telescopic assembly is fixed to the top of the lifting assembly, a cutting assembly is rotatably connected to one end of the telescopic assembly, a hydraulic cylinder is fixed between the lifting assembly and the telescopic assembly, the cutting assembly comprises a suspension plate, an arc-shaped gear is fixed to the top of the suspension plate, the telescopic assembly comprises a fixing block and a cantilever,two end plates are fixed to the other end of the cantilever, a main gear is rotationally connected between the two end plates, and the arc-shaped gear is rotationally connected between the two end plates and engaged with the main gear. By means of the design of the telescopic assembly, the cutting assembly, the lifting assembly, the hydraulic cylinder, the collecting box and an anti-blocking assembly, automatic plant pruning device can conduct multi-angle pruning on plants with different depths and different heights and collect pruned branches and leaves.

The invention belongs to the technical field of automobile lamps, and provides an LED double-color-temperature automobile headlamp. The LED double-color-temperature automobile headlamp comprises a radiator, a light-emitting origin, light sources, a reflecting bowl and a lens, wherein the light sources comprise a first light source and a second light source with different color temperatures, the radiator is provided with a switching part where the first light source and the second light source are arranged, and the first light source and the second light source are changed according to states of the switching part. The first light source and the second light source are alternately located at the light-emitting origin, and light with different color temperatures can be provided in a headlamp, so that a user can have a more diversified and safe light using effect.

The invention discloses a soilless seeding culture device with regular addition of a nutrient solution. The soilless seeding culture device comprises a solution storage box, wherein the lower end of the solution storage box is connected with support blocks, the lower ends of the support blocks in the same longitudinal direction are connected through a connecting pipe, end parts of each connectingpipe are connected with connecting rods which are connected with support rods through connecting blocks, a mounting frame is arranged between the connecting pipes, a brushless motor is mounted on themounting frame, the upper end of the brushless motor is connected with a motor shaft, the motor shaft penetrates a hollow block, an extrusion frame and the solution storage box once, the motor shaft in the hollow block is connected with an adjusting rod through a steering gear group, and the adjusting rod is connected to a worm. The soilless seeding culture device with regular addition of the nutrient solution can be mounted on culture support frame facilities with different widths conveniently, so that the device is convenient to mount, precipitation of the nutrient solution can be avoided, and the device can spray the nutrient solution to seedlings stably and uniformly at regular intervals.

The invention relates to the technical field of underground coal mine thin coal seam coal plough exploitation, in particular to a pneumatic cleaning and resistance reducing device for a coal plough head reciprocating coal cutting path. The device mainly comprises pneumatic cleaning brushes installed on the front side and the back side of the coal plough head coal cutting path, resistance reducing sliding wheels installed at the bottom of a coal plough head and a high-pressure gas delivery pipeline, wherein the pneumatic cleaning brushes and the coal plough head are connected through thread fastening devices. The pneumatic cleaning and resistance reducing device is characterized in that obstacles on the coal plough head reciprocating coal cutting path are blown and removed by adopting pneumatic cleaning brush bodies, and the coal plough head is borne by the resistance reducing sliding wheels, so that sliding friction of the coal plough head in the reciprocating coal cutting path is changed into rolling friction. According to the pneumatic cleaning and resistance reducing device, on one hand, accumulated coal and rock on the coal plough head reciprocating coal cutting path can be removed, and therefore the resistance of the obstacles on the coal cutting path is reduced; on the other hand, the convenient reciprocating sliding effect of the coal plough head can be achieved, the friction resistance of the coal plough head is reduced, abrasion of the coal plough head and a traction plough chain is reduced, the output working efficiency of a plough head driving motor is improved, and the normal service life of a coal plough is prolonged.

The invention relates to an anti-disturbance loudspeaker, which comprises a shell, a permanent magnet ring, a core column, a voice coil, a paper cone and a protective cover. The guide column and the core column are coaxially arranged. Permanent magnet strips are arranged on the cylindrical surface of the guide column at equal intervals. A guide cylinder is connected between the voice coil and thepaper cone, a guide ring is arranged on the inner wall of the guide cylinder, permanent magnets are arranged on the guide ring at equal intervals, and the permanent magnets and the permanent magnets repel each other in a homopolar mode and are matched in position. The guide column also comprises a magnetism isolating ring which is close to the joint of the voice coil and the guide cylinder. The protective cover comprises a plate body and a flexible film, the plate body is arranged at the end of the guide column, and the flexible film is connected between the plate body and the guide cylinder.The loudspeaker is novel in structure and unique in principle, disturbance of parts to vibration of the paper cone can be effectively reduced, the sound production effect of the paper cone is guaranteed, the sound quality of the loudspeaker is effectively improved, and meanwhile the service life of the loudspeaker is prolonged.

The invention discloses an anti-eccentric load guide structure, which is used for realizing non-eccentric load guidance during movement of a slide block in a press machine. The guide structure comprises a plurality of square vertical columns (4) which pass through square holes in the four corners of a press machine slide block (1) respectively to guide the slide block (1), and is characterized in that each inner wall surface of the square holes is provided with a first lining plate (2) provided with a concave groove; the four outer wall surfaces, which correspond to the square holes in the slide block, of the squarer vertical columns are provided with second lining plates (3) provided with bumps which correspond to the concave grooves; and when the slide block (1) slides, the square holes in the four corners and the square vertical columns (4) are in close fit one by one through the first lining plates (2) and the second lining plates (3) respectively to do relative movement, so that non-eccentric load guidance of a pressure head is realized. According to the structure disclosed by the invention, slide block eccentricity caused by eccentric load torque can be effectively avoided, accuracy loss of the press machine is avoided, and the accuracy of a forging part is increased.

The invention belongs to the field of doors and windows, and particularly relates to a door and window frame deburring device and a processing method.The door and window frame deburring device comprises a fixed base, a supporting rod is fixedly welded to the fixed base, a workbench is fixedly welded to the top of the supporting rod, and a self-adaptive grinding mechanism is installed on the workbench; a servo motor is fixedly welded to the bottom end face of the fixed base, a rotating plate is fixedly welded to an output shaft of the servo motor, the first sliding groove is formed in the bottom of a mounting plate, the mounting plate is slidably connected into a limiting groove in a limited mode, the limiting groove is formed in the workbench, and an adsorption connecting assembly is mounted on the mounting plate. The problems that an existing burr removing device cannot conduct burr grinding and removing work on the upper corner and the lower corner of the two side edges of the aluminum alloy windows of different specifications and sizes at the same time, and meanwhile scraps generated by grinding cannot be automatically and stably collected and treated are solved.

The invention discloses an intelligent building display 3D projection device with an adjustable sand table, and belongs to the field of 3D projection. The intelligent building display 3D projection device with the adjustable sand table comprises a base, a projection plate and a first display rack, and a projection table is arranged at the top of the base; a sliding rail is arranged on the side ofthe projection table; a first sliding rod is arranged in the sliding rail, a connecting belt is arranged on the side of the first sliding rod, a winding shaft is arranged at the end of the connectingbelt, a first spring is arranged on the other side of the first sliding rod, a rotating shaft is arranged at the end of the first sliding rod, a sliding block is arranged on the outer side of the rotating shaft, and a sliding groove is connected to the side of the sliding block. The holographic projection device is arranged, and stereo projection of a corresponding building can be carried out by operating a control device so as to facilitate omnibearing demonstration and exhibition; the adjustable sand table is arranged on the side of the device, a building model can be flexibly adjusted, disassembled and assembled according to needs, and visual display is carried out in cooperation with corresponding projection.

The invention provides a bearing cover for a crank circular slider mechanism. The bearing cover is matched up with an engine body so as to form a complete engine body for supporting the crank circular slider mechanism; a cavity for the piston to do reciprocating motion is arranged on the bearing cover and runways are arranged on two sides of the cavity, and the runways are used for providing a guide track of the reciprocating motion for a guide track surface at the lower part of the piston of the crank circular slider mechanism. The bearing cover is capable of solving the problem of lower reciprocating motion guidance of the piston movement, so that the reciprocating motion of the piston is stably continued. The invention simultaneously provides an internal-combustion engine and a compressor by using the bearing cover.

This invention is engine exhausting valve structure. The exhausting valve stem passes through exhausting valve base and valve guide pipe. The top of the exhausting valve stem is assembled with valve lock clamp. Outside of the valve lock clamp is spring base. The valve spring is arranged on the exhausting valve stem. There is valve gap setting screw above the top of the exhausting valve stem. The axes of the said screw and exhausting valve stem are at the same line. There is end cap between valve gap setting screw and exhausting valve stem. The said end cap covers on the exhausting valve stem through its dead hole which is at the bottom. There is certain space between the end face of the said dead hole and the top face of exhausting valve stem. This invention can prevent the local overheatof exhausting valve stem and prevent rupture of exhausting valve stem.

The invention provides a power tool which comprises a shell, a motor contained in the shell, and an output rod driven by the motor through a transmission mechanism. The transmission mechanism comprises a motion changing mechanism, and the motion changing mechanism operably drives the output rod to be in a first motion mode outputting reciprocating motion and a second motion mode outputting rotating motion. The output rod can output two motion modes like rotating and reciprocating, so that using range of the power tool is greatly expanded. Outputting of the rotating motion and the reciprocating motion by the same output rod is realized by the motor through the transmission mechanism, so that the output rod can output stable rotating or reciprocating motion, and the power tool is convenient to use.

An electromagnetically driven valve (10) includes a driven valve (14) having a stem (12) extending in a prescribed direction and an umbrella-shaped portion (13) provided at a tip end of the stem (12) and opening / closing an intake / exhaust port, a lower disc (20) and an upper disc (30) having one ends (22, 32) coupled to the stem (12) and the other ends (23, 33) supported by a disc support base (51) so as to allow free oscillation of the disc respectively and oscillating around the other ends (23, 33) so as to cause the driven valve (14) to carry out reciprocating motion in the prescribed direction, a lash adjuster (16) provided in the stem (12), and a guide ring (45) guiding the lash adjuster (16) along the prescribed direction. The lash adjuster (16) contracts and expands in the prescribed direction and accommodates displacement of the stem (12) produced in a direction orthogonal to the prescribed direction as a result of reciprocating motion of the driven valve (14). With such a structure, the driven valve carries out smooth reciprocating motion.

The invention is applicable to the technical field of ceramic production, and provides a sedimentation device for raw ceramic powder particle testing. The device comprises a synchronous lifting platform, a detecting mechanism, an electromagnetic lifting device and a constant-temperature assembly, wherein the synchronous lifting platform is fixedly connected to the detecting mechanism; the detecting mechanism is positioned on the outer surface of the upper end of the synchronous lifting platform; the synchronous lifting platform controls a lamp, a Fourier lens and a photoelectric receiver to synchronously lift by reciprocating; the photoelectric receiver is used for converting an optical signal into an electric signal and transmitting to an analyzing module; the analyzing module is used forgenerating a ceramic raw material particle size report based on the data; the electromagnetic device can work stably; the synchronous lifting platform is stable to reciprocate; the controller moves along a guider rail based on a linear motor controlled through a preset program; a constant-temperature water layer wraps a sample container, so that the sampler container is kept in constant temperature, and the temperature of test liquid sample is kept constant, and as a result, error is reduced.

A linear actuator that can achieve downsizing with a simple configuration, and can provide stable linear reciprocation while achieving improvement in assemblability and cost reduction. In the actuator, movable member 50 faces coil 21 in the winding axis CL direction of coil 21, and in addition, includes magnet 30 magnetized in the coil-winding axis CL direction in a unipolar fashion and output shaft 60 extending in the CL direction. Elastic body 70 is disposed along the coil-winding axis CL direction and configured to deform in that direction to supports movable member 50 such that movable member 50 can reciprocate along the coil-winding axis CL direction. Elastic body 70 is fixed to fixing body 40 and movable member 50 at both ends 71 and 72 in the coil-winding axis CL direction such that central air gap CG is formed between electromagnet 20 and magnet 30.

The resonant spring support structure for reciprocating compressor includes motor with several supported stators and rotor, cylinder fixed on the rack together with the motor, piston capable of reciprocating linearly along the inside surface of cylinder to compress refrigerant, and front and back resonant springs supporting elastically the motor rotor and the piston and guiding the motor rotor and the piston to resonate. Each of the back support springs is provided with inserted spring support and spring support part on its one end. The support structure and the front resonant springs contract and stretch simultaneously and the back resonant springs reduce the instantaneous torque so as to make the rotor and the piston reciprocate stably. The present invention has simple structure, low manufacture cost and easy-to-set initial position.

The self-adaptive surface structure fine grinding device mainly comprises a grinding box body, supporting legs, a collecting box, a discharging opening, a discharging valve, a feeding window, an overhauling window and a grinding platform, the grinding box body is installed at the upper ends of the supporting legs, the feeding window and the overhauling window are arranged on the side face of the grinding box body, and the lower end of the grinding box body is connected with the upper surface of the grinding platform; the lower surface of the polishing platform is connected with a collecting box, a discharging port is formed in the collecting box, and a discharging valve is arranged on the discharging port. According to the product, the grinding box, the rubber layer, the hoop, the grinding belt and the like are adopted to form an isostatic pressing mechanism, a certain amount of hydraulic oil is injected into the grinding box, needed grinding pressure is kept, and the rubber layer and the grinding belt can better adapt to conventional non-planar grinding structures with uncomplicated surface structures, especially grinding structures of long profiles and the like.

The invention relates to the technical field of heating, and discloses a heating radiator. The heating radiator comprises a radiator body, a water inlet and a water outlet, the water inlet and the water outlet are fixedly installed at the upper end and the lower end of the radiator body respectively, and a descaling mechanism used for descaling is arranged in the radiator body. According to the heating radiator, through left-right reciprocating motion of a bouncing ball, a pull rod is made of a hard metal material and cannot deform, the pull rod can move in the moving process of the bouncing ball, and a sliding rod can be driven to do reciprocating motion in the sliding sleeve after the pull rod moves, grinding teeth on a memory metal elastic plate and grinding teeth on the protruding side of a memory metal elastic piece extrude each other, sliding occurs between the grinding teeth, and the memory metal elastic piece is driven to be vibrated after sliding, so that scale can be vibrated to fall off after being accumulated to a certain degree at a sunken part of the memory metal elastic piece, and scale removal is facilitated, the service life of the heating radiator is prolonged, and meanwhile the heating efficiency of a room is improved.