116results about How to "Large adjustment angle" patented technology

A Flat-Panel TV Wall Support with adjustable visual angle, comprising a wall installing board, a TV fixing mechanism and an adjusting mechanism for adjusting the location of TV fixing mechanism; the TV fixing mechanism is connected with the wall installing board through the adjusting mechanism, wherein the adjusting mechanism comprises four movable arms, which forms a four bar linkage mechanism with mutual linkage capability and parallelogram top view projection, wherein the front end of the four bar linkage mechanism is movably connected with the TV fixing mechanism, while the tail end of the four bar linkage mechanism is movably connected with the wall installing board. Compared with prior art, the present invention has advantages of that: the four bar linkage mechanism makes the movement of TV more flexible, and needs less installation area. In addition, the TV fixing mechanism has extremely simple structure, ingenious application principle and better practicality.

The invention relates to the technical field of wind power generation equipment, in particular to a single-frame type impeller of a wind turbine. An existing horizontal-axis wind turbine affected by the structure and materials is low in wind utilization rate, high in design requirements, heavy and large, difficult to maintain and easy to overspeed and gallop. The single-frame type impeller of the wind turbine comprises a wind wheel frame, a vane adjusting device, a support and diagonal support rods, wherein the vane adjusting device is connected with the support and assembled at the front end of a turbine spindle, the wind wheel frame is connected with the support via the diagonal support rods, and vanes are assembled in the wind wheel frame and around the vane adjusting device via shafts, the vane adjusting device is provided with a closed adjusting chamber, and a gear type or connecting rod type adjusting mechanism is assembled in the adjusting chamber. By changing the vane connecting mode, the number of the vanes is increased, wind energy utilization efficiency is improved, output power of the wind turbine is increased, volume, height and weight of the wind turbine are reduced, and the single-frame type impeller is reasonable in structure and convenient for daily maintenance and overhauling.

The invention relates to ear-canal earphones, which comprise a shell and an audio output device, wherein the shell is provided with a first combination part; the audio output device comprises a soundinduction tube, a second combination part and a loudspeaker; the second combination part is movably combined with the first combination part; and the loudspeaker is coaxially arranged between the sound induction tube and the second combination part with the sound induction tube. The angle of shell and the audio output device can be adjusted and changed relatively so as to ensure that the sound induction tube can be slipped in and accord with the ear canals of different angles of users. The angle of each ear-canal earphone of the invention can be adjusted relative to the shell of each earphone,thus when being worn by the users with different ear-canal angles, the earphones can be adjusted to the most comfortable position according to the ear-canal angles. In addition, because the loudspeaker is arranged in the audio output device, the direction from the output sound to the sound induction tube is not changed following the adjustment of the angles and the output characteristic of soundis not influenced.

The invention relates to the technical field of baby products, in particular to a baby trolley. The baby trolley comprises a trolley frame, a trolley hood, a taking cabin and four sets of trolley wheels. The trolley hood and the taking cabin are installed on the trolley frame. The four sets of trolley wheels are installed at the bottom of the trolley frame. By means of the technical scheme, due to the design of reasonable connection structures, the baby trolley is small in size in the folded state, a trolley body is stable in the unfolded state, and the baby trolley has the advantages of being high in safety performance, high in motorized performance, quite comfortable and the like.

The invention discloses a microphone fixation frame, which comprises an outer base, an inner base, a first clamping piece, a second clamping piece, a first force application member and a second force application member. The inner base is arranged in the outer base; a clamping groove is formed in the inner base; the first clamping piece and the second clamping piece are arranged in the inner base and partially extend into the clamping groove; the first clamping piece and the second clamping piece are opposite; a gap is arranged between the first clamping piece and the second clamping piece; the first force application member is arranged between the first clamping piece and the outer base; the first force application member is used for applying a force facing to the second clamping piece to the first clamping piece; the second force application member is arranged between the second clamping piece and the outer base; and the second force application member is used for applying a force facing to the first clamping piece to the second clamping piece. The microphone fixation frame enables a microphone to be clamped firmly, allows the microphone to be fetched easily, does not influence beauty of the microphone and is wide in angle adjustment range.

The invention discloses a combined drilling unit which works together with various existing tunneling machines. After a hard rock tunnel is regularly punched by using the combined drilling unit, the rock mechanical property is improved, then the tunneling operation is carried out, the hard rock operation application range of the tunneling machine is enlarged, and the hard rock tunnel operation is completed by medium-small machines; and meanwhile, the combined drilling unit can be quickly dismounted from the tunneling machine and share a hydraulic source with the tunneling machine. The combined drilling unit specifically comprises a left hydraulic drilling assembly, a right hydraulic drilling assembly and a main girder assembly. The combined drilling unit has the advantages of simple structure, simple manufacture, low cost, and multiple and reliable actions; the hydraulic drilling assemblies have two space position states of drilling and cutting, wherein the hydraulic drilling assemblies and the cutting part of the tunneling machine are fixed together for drilling position states; and under the action of the main girder assembly, the hydraulic drilling assemblies are folded up and are arranged at the upper part of the tunneling machine body in order to be in a cutting position state, so that the combined drilling unit is free of influencing the cutting operation of the tunneling machine.

The invention relates to the field of energy-saving buildings, in particular to an energy-saving building photovoltaic curtain wall capable of adjusting the opening degree conveniently. According to the technical scheme, the energy-saving building photovoltaic curtain wall capable of adjusting the opening degree conveniently comprises a mounting frame, a supporting rod is fixed to the mounting frame, a photovoltaic plate is hinged to the other end of the supporting rod, and a swing rod mechanism used for driving the photovoltaic plate to obliquely rotate is further mounted on the mounting frame; and the other end of the swing rod mechanism is hinged to the photovoltaic plate, a cam mechanism used for driving the swing rod mechanism to move is mounted on the mounting frame, the other end ofthe cam mechanism is connected with a chain sprocket mechanism for driving the cam mechanism to move, the other end of the chain sprocket mechanism is connected with a pedal mechanism, and the pedalmechanism is mounted on the ground. According to the energy-saving building photovoltaic curtain wall, the opening degree can be adjusted remotely through a pedal, and the problems that an existing photovoltaic curtain wall is difficult to open and close, and the opening degree cannot be adjusted at will are solved.

The invention relates to a threaded through hole detection device, and belongs to the technical field of threaded hole detection equipment. The threaded through hole detection device is characterizedby comprising a lifting mechanism, a plurality of mounting frames (8) arranged around the lifting mechanism and clamps (3) arranged on the lower sides of the mounting frames (8), a plurality of translation mechanisms are arranged on each mounting frame (8), each translation mechanism is connected with a drill rod in a sliding manner, and the lower end of each drill rod is connected with a screw tap through a power device; a rotary disc (33) is rotationally arranged on a rotary mechanism, the rotary disc (33) is connected with a clamp motor for driving the rotary disc (33) to rotate, two swingarms are symmetrically arranged on the two sides of the rotary disc (33), a jaw vice (37) is arranged between the two swing arms, a first swing arm motor is further arranged on the rotary disc (33), and an output shaft of the first swing arm motor is connected with the two swing arms at the same time. According to the threaded through hole detection device, the relative positions of threaded through holes can be detected, threads of the threaded through holes can also be detected, so that the detection of the threaded holes in multiple surfaces can be completed through one-time clamping.

The invention discloses a hybrid-driven type bucket-wheel material stacking and taking machine. A bucket-wheel overhanging arm pitching device comprises a first stander pitching mechanism arranged at the front part of a frame and a second stander pitching mechanism arranged at the rear part of the frame, wherein the first stander pitching mechanism is a four-connecting-rod mechanism and comprises a first pitching rocker, a first pitching connecting rod and a first pitching swing rod; the second stander pitching mechanism is a parallelogram connecting rod mechanism which comprises a second front rocker and a second rear rocker which are positioned on the lower side and a second front connecting rod and a second rear connecting rod which are positioned on the upper side; hinge points of the rear bottom of a stander and the second front connecting rod and the second rear connecting rod form a composite hinge; the front bottom of the stander is hinged to the upper end of the first pitching swing rod; a bucket wheel is mounted at the front end of a bucket-wheel overhanging arm; the rear end of the bucket-wheel overhanging arm is hinged to the front part of the stander; an arm body at the front part of the bucket-wheel overhanging arm is pulled to the top of the stander through a traction rope in an inclined manner. By the adoption of motor hybrid driving, the hybrid-driven type bucket-wheel material stacking and taking machine has the advantages of output flexibility, high bearing capacity and the like.

The invention discloses a cantilever angle adjustment mechanism, which comprises a support, a first and a second cantilever connecting rod, a connecting piece, an elastic body, and an adjusting shaft. The support, the first and second cantilever connecting rods and the connecting piece are hinged to form A parallel four-bar linkage mechanism, in which the first and second cantilever linkages are arranged in parallel, and the adjustment shaft is coaxially connected with the elastic body to form an angle adjustment mechanism. Two diagonal hinge shafts are hinged, the length of the adjustment shaft can be adjusted, the invention can achieve the function of free stop, and the adjustment angle is large, the adjustment load-bearing range is wide, and the adjustment mechanism is simple in structure, low in production cost, and long-term It is not easy to fail when used, and has good stability.

The invention discloses a method for improving the quality of plastering at the corners of a wall, comprising the following steps: Step A: matching the connecting block at one end of the limiting plate with the installation groove on the supporting plate, and fitting the connecting block at the other end of the limiting plate with the plastering plate Fit the installation groove on II; Step B: Hang the round hook at one end of the adjustment spring on the connection hole of the lug I on the wiping plate I, and hang the round hook at the other end of the adjustment spring on the support plate on the support plate Connecting hole of ear Ⅱ; step C: hold the handle and carry out plastering work on the wall. With one wave, the wall and ceiling can be painted at the same time, which not only avoids the damage to the other side of the painting surface when only one side is painted, resulting in repeated repairs in the later stage, but also increases the cost of time; it also improves work efficiency. The model of the adjustment spring can also be replaced, so that the wiper plate I and the wiper plate II are perpendicular to each other, and then the angle between the present invention and the wall and the ceiling is consistent, so that the present invention can be used to smear the wall and the ceiling simultaneously.

The invention relates to an offshore power generation device integrating automatic light-seeking solar energy, wind energy and tidal energy. The device comprises an automatic light-seeking solar powergeneration module, a vertical wind power generation module, a vertical tidal power generation module, a storage battery, an inverter, a control module, a console and a wireless communication module.According to the device, the automatic light-seeking solar power generation module is controlled by four telescopic rods with rotatable connecting points, the vertical wind power generation module isprovided with fan blades capable of self-adjusting angles with a supporting rod according to a wind direction, and the vertical tidal power generation module adopts double screw blades. According to the device, the power generation efficiency of traditional solar power generation, wind power generation and tidal power generation is improved, and the stability of generated energy of the device is greatly improved through resource complementation among solar energy, wind energy and tidal energy.

The invention provides a liquid bidirectional pump system and a stratospheric airship attitude adjusting device adopting the same. The liquid bidirectional pump system is provided with a first end anda second end and comprises a gear pump system, a first electromagnetic valve, a second electromagnetic valve, a third electromagnetic valve and a fourth electromagnetic valve, wherein the first end of the liquid bidirectional pump system, the first end of the first electromagnetic valve and the first end of the fourth electromagnetic valve are in communication; the second end of the first electromagnetic valve, an inlet of the gear pump system and the first end of the third electromagnetic valve are in communication; the second end of the fourth electromagnetic valve, an outlet of the gear pump system and the first end of the second electromagnetic valve are in communication; and the second end of the third electromagnetic valve, the second end of the second electromagnetic valve and thesecond end of the liquid bidirectional pump system are in communication. The stratospheric airship attitude adjusting device adopting the liquid bidirectional pump system changes the center of mass and the pitching attitude of a stratospheric airship by changing the mass of liquid in an end liquid storage tank.

The invention discloses a self-aligning bearing, which comprises an outer spherical bearing, wherein a fixing ring is arranged at the outer side of the outer ring of the outer spherical bearing; the inner surface of the fixing ring is set to be a spherical surface completely matched with the outer surface of the outer ring; two processing grooves are symmetrically formed at one end surface of the fixing ring; the diameter of each processing groove is greater than the greatest diameter of the outer ring; the width of each processing groove is greater than the thickness of the outer spherical bearing; the depth of each processing groove is greater than 1/2 of the thickness of the outer spherical bearing. The self-aligning angle of the self-aligning bearing can reach 3 DEG; not only is the relatively self-aligning angle provided, and also a sealing ring can be arranged.

The invention discloses a movable cable parallel-connection spraying device for ship segmented coating. The movable cable parallel-connection spraying device comprises a supporting truss, an aerial Y-direction moving mechanism, an aerial X-direction moving mechanism, a Z-direction adjusting mechanism and a ground rail Y-direction moving hydraulic lifting platform, the aerial Y-direction moving mechanism is erected on the supporting truss to realize Y-direction movement, the aerial X-direction moving mechanism is mounted on the aerial Y-direction moving mechanism to realize X-direction movement, the Z-direction adjusting mechanism is mounted below the aerial X-direction moving mechanism, and a spraying mechanical arm is mounted at the tail end of the Z-direction adjusting mechanism. The ground rail Y-direction moving hydraulic lifting platform is arranged at one side of the Z-direction adjusting mechanism and flexibly connected with the Z-direction adjusting mechanism through a parallel cable set, the spraying mechanical arm is stabilized through linkage, fine adjustment of the angle is achieved, and interference between the parallel cable set and a sprayed ship body is effectively avoided by lifting a ground rail winch to a certain height. According to the device, large-stroke and multi-angle linkage control can be achieved, and the spraying requirements of large segmented ship components can be met.

An angle-adjustable-type protection device for a laser scanning distance meter can adjust an optic axial angle of the laser scanning distance meter on two rotational degrees of freedom and within the range of an arc angle of an arc installation through hole by means of manual rotation of a protection cover and a steering support of the protection device, is matched with a handheld visible laser level meter to correct the angle, and can meet requirements of installation debugging, safe collision resistance, outdoor maintenance and other working conditions. The protection device mainly comprises the protection cover, the steering support, a connection pipe column and combination bolts and the like, has the advantages of being easy and convenient to install, strict at protection, and large in adjustable angle, and facilitating angle adjustment and the like, and is suitable for various laser scanning distance meters after structural micro adjustment.

The invention discloses a new energy lighting device with storage and angle adjustment functions, and belongs to the technical field of lighting devices. The device comprises a storage box and a lifting sleeve, a storage groove is formed in the lifting sleeve, a baffle is arranged on the inner wall of the storage groove, a power shaft is rotationally installed on the inner wall of one side of the storage groove through a rotating bearing, a first driving bevel gear is fixedly installed at one end of the power shaft, and a rotating disc is fixedly installed at the other end of the power shaft; according to the lighting device, through the arrangement of a first threaded column, a threaded sleeve, a second threaded column, a lifting rod and a sliding rod, after the lighting device is used, the lifting rod can be stored in the lifting sleeve and the lighting lamp can be stored in the storage box only by rotating the rotary disc, and the situation that after a rod body of the lighting device needs to be stored, the lighting lamp needs to be stored again is effectively avoided; or the problems that an existing lighting device is complex to use and large in occupied space with an external protection device, and the height of the lighting device cannot be rapidly adjusted are avoided.

The invention relates to an optical scanning device for an appliance for reading and/or writing to optical recording media, having a movably arranged optical housing with integrally formed slide faces for holding a support which is provided with mating slide faces, can be adjusted about a virtual axis and has a scanning head, having at least one adjusting screw which is supported on the housing, acts on the support, bears against the edge of an opening made in the housing, penetrates said opening with its threaded shaft in the direction of the support with play and can move in the opening in a transverse direction, and having at least one spring means which acts on the support on the side of the slide faces which is remote from the adjusting screw and tensions said support against the slide faces of the housing, and to an appliance having the optical scanning device. It achieves the object of designing the mounting arrangement for the scanning unit in such a scanning device such that an adjusting movement is effected gently and smoothly. To this end, the adjusting screw acts on the support at a variable angle and changes its angle with respect to said support in the event of a screw movement to prompt an adjusting movement from the support.

The invention discloses an automatic numerical control lathe. The automatic numerical control lathe comprises a body, a protective door is fixedly connected to the left side of the top of the front face of the body, a feeding device is arranged at the middle position of the left side of an inner cavity of the body, the left end of the feeding device penetrates through the body, and a moving mechanism is arranged at the middle position of the right side of the inner cavity of the body. A cutter is fixedly connected to the middle position of the left side of the moving mechanism, a cooling pipeis fixedly connected to the top of the right side of the moving mechanism, a collecting device is arranged at the middle position of the bottom of the inner cavity of the body, and a controller is fixedly connected to the top of the right side of the front face of the body. The invention relates to the technical field. According to the automatic numerical control lathe, scraps generated during machining fall onto the collecting device, rapid collection is achieved, scraps generated after machining are cleaned away comprehensively and finely, small metal scraps can be collected conveniently, inthe feeding process, the feeding device shrinks slightly after making contact with a workpiece, the contact strength is increased, and the workpiece is fixed and clamped.

The invention discloses an electric bucket wheel stacker-reclaimer with a servo driving linkage mechanism. A bucket wheel cantilever pitching device comprises a first rack pitching mechanism and a second rack pitching mechanism, wherein the first rack pitching mechanism is a double-linkage mechanism and comprises a first rocker rod and a first connecting rod; the second rack pitching mechanism is a four-linkage mechanism and comprises a second rocker rod, a second connecting rod and a second swing rod; a rack is supported by the first rack pitching mechanism and the second rack pitching mechanism; bucket wheels are mounted at the front end of a bucket wheel cantilever, the rear end of the bucket wheel cantilever is hinged to the front of the rack, the front cantilever body of the bucket wheel cantilever is stayed to the top of the rack through a traction rope, and a counterweight mechanism is arranged at the rear of the rack; the first rocker rod and the second rocker rod are respectively driven by a first rocker rod servo motor and a second rocker rod servo motor which are arranged on the rack. The electric bucket wheel stacker-reclaimer has the advantages of programmable output control, flexible path, large adjustable angle, large work space and the like.

A wall-mounted and table type dual-purpose fan comprises a fan body and a fixing support which are connected with each other. The fixing support comprises a base, fixing feet, a hook and a fixing screw. The fixing feet are fixed to the base and can be directly placed on an installing face. When the fan needs to be fixed to the installing face, the hook penetrates the base and is fixed to the base. The hook is fixed to the installing face through the fixing screw. The structure for fixing and supporting is light and compact, the fan can be fixed to a wall face only through one screw, and installing is easy and convenient. Furthermore, the fixing feet can adapt to various installing face situations, and good fixing and supporting effects are provided. Furthermore, the fan body has adjustable rotation freedom degrees in two directions, the adjusting angle is large, and the air supply direction can be flexibly selected.