177results about How to "Achieve free rotation" patented technology

The invention relates to a biomass feed divider with changeable trough obliquity and vibration frequency and amplitude, which realizes continuous, stable and safe feed division by adopting two regulating measures of changing obliquity of a trough and changing vibration frequency and amplitude and by exciting force generated by a vibrating motor (9). The device is formed by arranging one or a plurality of independent distributors in parallel, wherein each distributor mainly comprises a trough body (4), a vibrating motor (9), an elevating (8), a spring supporting mechanism (11) and an auxiliary mechanism; the trough body (4) is supported by the spring supporting mechanism (11) at the front part and the elevating (8) at the rear part, the vibrating motor (9) is arranged in the middle of the bottom of the trough body (4), and the rear part of the trough body (4) is connected with bulkhead by canvas (3). The device integrates material storage and material distribution, is not only suitable for hard biomass but also is suitable for soft biomass, and has lateral expansibility, thereby being convenient to be used together with material equipment of various types.

The invention belongs to the technical field of intelligent equipment, and particularly relates to a converting station fire disaster early warning inspecting robot. A robot body and a walking device,a monitoring device, a control device, a communication device and a navigation positioning device which are arranged on the robot body are included, the walking device comprises two V-shaped crank arms and two obliquely arranged supporting frames, the ends of the V-shaped crank arms and the supporting frames are provided with driving motors, rolling wheels are in transmission connection with output shafts of the driving motors. The robot has the advantages that functions of climbing stairs and entering cable ditches are achieved, equipment of cable ditches and the like and indoor and outdoorenvironments of a converting station can be automatically inspected according to preset time and routes, fire disaster potential safety hazards of heat generating points, electric sparks, flame spots,smoke sensing spots and the like can be timely discovered, functions of fire disaster early warning and alarming of an unmanned converting station are achieved, and the robot has the application prospects of being popularized in the fields of warehouses, oil depots and the like.

A precision actuator with an impact-resistant locking device comprises the impact-resistant locking device, a grating ruler swinging installation block, an extension rod installation head, an extension rod, a driving screw rod, a driving nut, a nut fastening piece, a first motor bearing, a main driving motor, a second motor bearing, a main shell, a motor upper shell and a base. The precision actuator has an impact-resistant locking function, a locking block and the extension rod are locked by a matched groove under a locking state, impact bearing employs a contact form, and the impact-resistant capability can be improved; by employing a fuse mechanism, extra motor control is reduced, and the control difficulty is reduced; and position feedback fully-closed loop is achieved, meanwhile, theextension rod can freely rotate at a small angle, the measurement accuracy cannot be affected, and the actuator is suitably applied to a multi-dimensional gesture adjustment platform.

The invention discloses a rotary table of an arch installation machine for a tunnel. The rotary table comprises a chassis, a cab 2, a traveling mechanism 3, an upper platform 4, a working arm 5 and a working device 6. The rotary table is characterized in that a rotary platform 45 comprises a bottom plate 451, a cab rotary base 452, two installation arm bases 453 and a hanging basket arm rotary base 454, wherein the bottom plate is used for supporting all assemblies on an installation platform, the cab rotary base is arranged on the front left, the two installation arm bases and the hanging basket arm rotary base are arranged on the front right of the bottom plate and located on the right side of the cab rotary base, and the two installation arms are symmetrically installed relative to a hanging basket arm.

The invention discloses a composite rotary cross arm. The composite rotary cross arm comprises a supporting insulator and a composite insulator, wherein the supporting insulator and the composite insulator are hinged to the same side of a tower body; the supporting insulator is vertical to the tower body; the tail end of the composite insulator points to the tail end of the supporting insulator in an inclined manner, and the tail end of the composite insulator is connected with the tail end of the supporting insulator through a wire hanging clipper connected with a ground wire; the supporting insulator is arranged below the composite insulator, and an included angle between the supporting insulator and the composite insulator is 30-45 degrees; components for hinging the supporting insulator and the composite insulator with the tower body comprise two steel angles arranged up and down, two sides, oppositely arranged, of the two steel angles are respectively provided with a hinging shaft, the other sides of the two steel angles are respectively and fixedly connected with the tower body, each hinging shaft is provided with a hinge, the other end of each hinge is provided with a hanging plate, and the hanging plates are vertical to the hinges and are used for respectively connecting the supporting insulator and the composite insulator. The composite rotary cross arm disclosed by the invention has the advantages of simple structure, convenience in implementation, reasonable design, light weight and effective protection on the main body of a tower.

The invention discloses a visual experiment device and method for simulated cross fracture seepage. The visual experiment device comprises a cross fracture mold and a test device for observing cross fracture seepage. The inside of the cross fracture mold is of a T-shaped cross fracture structure; and the test device comprises a fixed device, a flow control device and a data acquisition device. Thetest device realizes a quantitative observation research on a transparent cross fracture seepage process by using a light transmission principle; and meanwhile, flexible adjustment of relative positions of a camera, a light source and the fracture mold is realized on a mechanical structure, so that three-dimensional real-time observation of the cross fracture seepage process is realized.

The invention provides a traction device for a seam welder. The traction device comprises a traction disc chuck assembly, a traction disc chuck driving and supporting assembly, a clamping assembly and a traction disc chuck dragging assembly; the traction disc chuck assembly clamps longitudinal bars of a reinforcement cage through cooperation with the clamping assembly; the traction disc chuck driving and supporting assembly supports the traction disc chuck assembly and drives the traction disc chuck assembly to rotate; the traction disc chuck dragging assembly drags the traction disc chuck driving and supporting assembly to move in the longitudinal direction. According to the traction device, a rotation air cylinder drives a face gear to rotate, a plurality of swinging web plates rotate synchronously around the axes through face gear and bevel gear pairs, the distance between the swinging web plates and fixed web plates is changed, and therefore the longitudinal bars can be clamped or loosened. The traction device is compact in structure, high in work efficiency, convenient to operate and capable of being applied to the technical field of reinforced concrete pipe and steel reinforcement framework production equipment.

The invention relates to a multifunctional cleaner, which is characterized in that the main body includes a main rod, a chassis cleaner and an outer curved rod. Its main rod is divided into three parts: telescopic rod, long rod and short rod. Special hinges are used between the long rod and the short rod, and the chassis cleaning device and the short rod, which can be freely rotated and fixed. The chassis cleaning device is mainly composed of a shell, a sponge, a water squeezer, and a motor. The water squeezing plate is equipped with a rack, which can also be driven by a motor. Different working forms can be switched by combining different angles of the long rod, short rod and the cleaner chassis to achieve various cleaning purposes. The positive effects that can be achieved by adopting the technical solution of the present invention: the multifunctional cleaner transforms different forms through different angle combinations of the rod and the chassis cleaning device, thereby solving various household cleaning problems, effectively cleaning various dead corners, and being safe and reliable. Save family space and bring convenience to family cleaning.

The invention discloses a novel automatic trace sample adding device. The device comprises a shell hinged with an outward turned cover, a spearhead storage unit, a spearhead recycling unit for recycling waste spearhead, a sample storage unit for storing samples and reagent, a bearing target plate and a target plate bearing unit for heating the reagent in the target plate are arranged on a horizontal platform in the shell at intervals; a liquid handling pump driven by a three-dimensional driving mechanism is arranged on the horizontal platform, an air purifying unit is arranged at an upper partof a right side plate of the shell, an ultraviolet sterilizing lamp is horizontally arranged at the upper part of a backboard of the shell, and a human-machine interaction unit is arranged at the outside of the shell. The sample adding device has the advantages of being simple in structure and high in sample adding precision; the automatic processing of the to-be-tested sample is realized, the sample adding operation is standardized, an identification result is good in repeatability; and the target plate sample adding operation is performed in the shell, and the security is high.

The invention provides a fluid jet direction adjusting device which comprises a fluid pipeline, an injector head, a driving ball and multiple stay wires. The fluid jet direction adjusting device is characterized in that the driving ball is located at the rear end of the fluid pipeline, a handle is fixed to the rear end of the driving ball, a supporting rod is fixed to the front end, a front outer cylinder is arranged on the periphery of the injector head, a rear outer cylinder is arranged on the periphery of the supporting rod, the front ends of the stay wires are fixed to the periphery of the injector head, and the rear ends of the stay wires are fixed to the periphery of the supporting rod. The stay wires are in a tension state so that the direction of the injector head can change along with changing of the direction of the supporting rod, the injector head can rotate along with the supporting rod, and the jet direction of the injector head can be adjusted so as to carry out effective extinguishment operation. The fluid jet direction adjusting device has the advantages of being simple and reasonable in structure, low in manufacturing cost, flexible to control, remarkable in benefit effect and suitable for application and popularization.

The invention discloses a heating constant temperature box. The heating constant temperature box includes a box body with a heating device and is characterized in that an air stirring system is arranged inside the box body; the air stirring system includes a stirring motor fixed on the box body; the stirring shaft of the stirring motor is connected with a stirring blade. According to the axial flow stirring heating constant temperature box provided by the invention, the air stirring system is additionally arranged into the box compared with a traditional heating box, an electric heating element is used to heat the air in the sealed constant temperature box and an axial fan is used to drive the air in the box to flow, so that the temperature uniformity in the box is ensured.

The invention discloses a power transmission device capable of reducing bicycle sliding resistance. The device comprises a chain wheel, a column foot, a hub and a clutch which are in coaxial rotation. One end of the column foot is connected with the chain wheel, and the other end is connected with the hub through the jaw clutch. The jaw clutch comprises a driven gear sleeve and an axial sliding drive gear sleeve, and embedded end teeth are arranged at the opposite ends of the drive gear sleeve and the driven gear sleeve respectively. A spiral spline movably connected with the drive gear sleeve is fixed on the column foot, and a spline groove is sleeved on the drive gear sleeve. The driven gear sleeve is a step shaft sleeve, a ratchet is arranged at the small diameter section of the driven gear sleeve, and a snapping groove for the ratchet to be snapped in is formed in the inner hole wall of the hub. A synchronizer is mounted between the drive gear sleeve and the driven gear sleeve. Compared with the prior art, bicycle power can be transmitted effectively, power transmission can be stopped at the over-speed, free rotation of the hub is achieved, the wheel rotation resistance during sliding of the bicycle is reduced, and rotation noise is reduced.

The invention discloses a rotary mobile phone support, and belongs to the field of mobile phone parts. The support comprises a pedestal and clamping body rotationally connected with the pedestal via arotary adjustment mechanism, wherein the rotary adjustment mechanism is positioned at the axis of the clamping body and the pedestal; the rotary adjustment mechanism comprises a T-shaped rotation block, an adjustment nut and a bearing; a T-shaped groove matched with the T-shaped rotation block is arranged in the clamping body; the T-shaped rotation block is installed in the T-shaped groove; a bearing is installed between the clamping body and the Y-shaped rotation block; the pedestal is fixedly connected with the T-shaped rotation block via the adjustment nut; one side of the bottom of the pedestal is of an arc-shaped structure, and the height adjustment mechanism is arranged on the other side. The rotary mobile phone support provided by the invention is convenient and quick to use, convenient to operate and strong in practicability; meanwhile the rotary mobile phone support also has the characteristics of firm structure, strong flexibility and strong stability.

The invention belongs to the field of civil engineering, and discloses a test device for simulating the horizontal earthquake action of a node in a framework beam column. The test device comprises a counter-force rigid frame fixedly connected to the ground. The counter-force rigid frame is of a stable frame structure formed by a vertical supporting frame and a transverse supporting frame. The column top of a beam column node test piece is provided with an axial pressure loading device capable of exerting the pressure on the column top, and the column bottom of the beam column node test piece is connected with the ground through two symmetrically-arranged column hinge supports. The axial pressure loading device is hinged to the transverse supporting frame. The test device further comprisesa reciprocating loading device capable of exerting a horizontal force on the beam column node test piece at the column end side surface above the beam. A connecting rod which is vertically arranged isarranged between the beam end of the beam column node test piece and the ground. The two ends of the connecting rod are hinged to the beam end and the ground through a hinge seat respectively. The column hinge support is of a vertical bent structure, and the first bending part of the column hinge support is connected with the ground. The second bending part is arranged towards the side face of the column end, and a cylindrical rod is clamped between the second bending part and the side surface of the column end. The two column hinge supports are fixed through a connecting piece. According tothe test device, the situation that the actual beam column node bears the horizontal earthquake action can be reflected more truly.

The invention discloses a wearable bracelet watchband fixing device convenient to wear, and relates to the technical field of wearable equipment. The watch comprises a left watchband and a right watchband, wherein the left watchband is connected with a rectangular sleeve; tooth grooves are arrayed in the surface of the right watchband. An adjusting mechanism is connected in the rectangular sleeve;connecting columns are fixed to the two side walls of the rectangular sleeve. A connecting hole is formed in one connecting column; a pressing rod passes through the connecting hole; the adjusting mechanism comprises a rotating pipe; an annular groove is formed in the outer wall of the rotating pipe, sawtooth notches are arrayed on the circumference of the outer wall of the rotating pipe, and thesawtooth notches communicate with the annular groove; a shaft sleeve sleeves the outer wall of the rotating pipe; the shaft sleeve is rotationally connected with an adjusting gear; the shaft sleeve is connected with an adjusting pipe through a connecting plate; a plurality of fixing columns are fixed to the side wall of the adjusting gear. And the fixing columns are connected with fixing plates clamped with the sawtooth notches. The adjusting mechanism is arranged in the rectangular sleeve, the pressing rod is pressed, and the adjusting pipe is used for driving the adjusting gear to rotate for tightening of the watchband, and the problem that an existing wristband is inconvenient to wear and adjust is solved.

The invention relates to the technical field of photographic equipment and particularly relates to a forward and backward folding photographic tripod. The tripod comprises a central tube, a center-axis connecting tube, a plurality of pin shaft tubes, a base and a plurality of pin tubes, wherein an insert is tightly nested in a bulge loop at the periphery of the base, and upper inner holes and lower inner holes of the pin shaft tubes are respectively in close fit with the insert and the pin tubes; the insert is internally provided with a gear, a locator, a pressure spring and a wave bead; the bulge loop is movably connected with the pin shaft tubes, the insert and the gear by a hinge pin; teeth of the gear are meshed with any locating hook of the locator; a chuck of the locator props against the wave bead; and the locator is also provided with a button which extends out of an inner chamber of the pin shaft tube. According to the photographic tripod, free rotation at 0-180 degrees of the pin tubes can be realized, thereby bringing great convenience for a user to photograph; and the pressure spring can be prevented from being broken by pressing, thereby effectively prolonging the service life of the photographic tripod. The photographic tripod has the advantages of simple structure, reasonable design and low production cost.

The invention relates to a cylindrical tension and compression support for transferring an upper load to a lower part or pier foundation. The cylindrical tension and compression support comprises an upper support skirt part and a lower support skirt part which are respectively provided with bolt holes connected with a main body structure, wherein the upper part of the upper support skirt part is in a rectangular or circular shape, and the lower part of the upper support skirt part is in an incomplete cylindrical shape; the incomplete cylinder is connected with the arc of the upper part of the upper support skirt part, and the middle of the lower support skirt part is provided with a cylindrical surface groove for the incomplete cylinder to freely rotate or transversely slide; local reinforcing ribs are arranged on the lower support skirt part. During installation, the incomplete cylinder is pushed into the cylindrical surface groove from the side, and the groove can bear the vertical pressure and also transfer the vertical pull due to the narrow upper part and the wide lower part of the groove. The cylindrical tension and compression support provided by the invention is simple in structure, is used for a fulcrum needing to transfer the pull and pressure, and is applied to large rotation and horizontal displacement of the structure, the bending internal force at a beam end is avoided, the structural design is simplified, and the manufacturing cost is reduced.

The invention relates to the technical field of electric meter boxes, in particular to an electric meter box capable of automatically dissipating heat and removing dust and facilitating installation of an electric meter. Theelectric meter box comprises a box body, the box body is provided with an opening end, a box door is hinged in the opening end, a heat dissipation assembly is arranged at the bottom of the inner side of the box body, and four groups of fixed seats are distributed on the inner side of the box body in a matrix manner; and a connecting rod A is in pin connection with the fixed seat. According to the invention, a rotating handle belt is rotated to drive a gear to rotate a rack and an L-shaped rack, so that free rotation of a connecting rod B is realized, the mounting plate is conveniently pulled out, the purpose of conveniently mounting an electric meter is realized, and an arranged heat dissipation assembly can effectively dissipate heat in the box body, the design is reasonable, and the structure is novel.

The invention discloses a cold side energy saving optimization thermal power generation condenser washing system. The washing system comprises a condenser and an outer pipeline. A conical mesh screenis fixedly mounted in the outer pipeline, the conical mesh screen is movably connected with a rotary mesh barrel, a slewing bearing is fixedly arranged on the outer side wall of the rotary mesh barrel, a supporting outer ring engaged with a gear drive device is arranged on the slewing bearing, the rotary mesh barrel is of a curve type structure, and the outlet end of the rotary mesh barrel is located at the water inlet ends of cooling pipes. Rubber balls and water currents are introduced from one end of the conical mesh screen and discharged into the rotary mesh barrel from the other end, as the rotary mesh barrel is driven by the gear drive device to radially rotate in the outer pipeline, when the inlet end of the rotary mesh barrel rotates, while the outlet end of the rotary mesh barrelrotates by itself, the outlet end can carry out revolution around the central axis of the inlet end, and therefore when pushed by the water currents to be discharged from the outlet end of the rotarymesh barrel, the rubber balls can evenly enter the cooling pipes in the condenser.