49results about How to "Free fall" patented technology

The invention discloses a button flaming machine which comprises a machine table, a button feeding device and a flame jetting device. The button feeding device comprises a vibrating part and a rotating part; the vibrating part is provided with a vibrating plate and a vibrating drive element, the vibrating plate is arranged on the machine table, used for carrying a button and provided with a discharge port, and the vibrating drive element is connected to the vibrating plate and used for driving the vibrating plate to vibrate to drive the button to vibrate to be discharged from the discharge port; the rotating part is provided with a rotating plate and a rotating drive element; the rotating plate is arranged on the machine table and located under the discharge port to be used for receiving the button discharged from the discharge port, and the rotating drive element is connected to the rotating plate to be used for driving the rotating plate to rotate. The flame jetting device is arranged on the machine table, and a flame jetting port of the flame jetting device faces the rotating plate to be used for performing flame treatment on the button located on the rotating plate. The button flaming machine is high in production efficiency and low in cost.

The invention provides a tile clamping device of a tile fixing machine, and belongs to the field of building decoration machines. The tile clamping device solves the problems that an existing tile clamping device of the tile fixing machine is large in occupied area and high in manufacturing cost. The clamping device of the improved structure comprises two clamping plates which are symmetrically arranged. Supporting rods are arranged between the two clamping plates. One end of each supporting rod is fixedly connected with one clamping plate, and the other end of each supporting rod is fixedly connected with the other clamping plate. The supporting rods can be stretched out and drawn back. Locking mechanisms which can lock the length of the supporting rods are arranged on the supporting rods. The tile clamping device of the improved structure is simple in structure, high in use reliability and quite suitable for popularization.

The invention provides a motor assembly for an intelligent electronic door lock. According to the motor assembly, structures of a cover plate (1), two small gears (2), a gear shaft (3), a motor shell (4), two same motors (5), a torsion spring (6), an arc push plate (7), a front push plate (8), a rear push plate (9) and a transverse rod (10) are designed cleverly, especially the two same motors work independently, and the risk caused by working stop of the motor assembly due to damage of the motors can be lowered through the redundant design that one motor is available, and the other motor is standby. Besides, the top end of the transverse rod of the gear shaft is designed to be in a circular cone shape, due to the profile of the transverse rod of the gear shaft, the top face of the transverse rod is a point and makes less contact with a spring wire, the spring wire can slide off freely when the transverse rod penetrates through the spring wire alternately, the situation that the spring wire of the torsion spring is stuck by the transverse rod is avoided, and the normal state is achieved.

The invention relates to a testing device for measuring lateral soil resistance of a pipeline. The testing device comprises a soil groove (1), two horizontal linear guide rails (2), a horizontal trolley (3), vertical linear guide rails (4), two vertical rods (9), a force measuring system, a displacement measuring system, a pipeline weight regulating system and a power system, wherein the horizontal linear guide rails (2) are arranged along the length direction of the soil groove (1); sliding blocks (14) which are used for fixing the horizontal trolley (3) are arranged on the horizontal linear guide rails (2); the horizontal trolley (3) is fixedly provided with the two vertical linear guide rails (4) which are respectively provided with two sliding blocks, each sliding block (20) is provided with a tension and pressure sensor (10), and the tension and pressure sensors (10) are fixedly connected with the vertical rods (9); the bottom ends of the two vertical rods (9) are respectively and fixedly connected with the two ends of a test pipeline (11). According to the testing device disclosed by the invention, the measured soil resistance is enabled to more approach the stress of a seabed pipeline under a real state.

The invention relates to the technical field of unmanned aerial vehicles, in particular to a goods delivery box, an unmanned aerial vehicle and a control method of a box door. The goods delivery box is used for the unmanned aerial vehicle and comprises a box main body, a box door and a control switch. A delivery opening is formed in the bottom of the box main body, and the box door is connected with the bottom of the box main body. The control switch is arranged between the box main body and the box door and is used for opening or closing the box door. According to the invention, the box dooris arranged at the bottom of the box main body; the box door is opened through the control switch, the goods transported in the box body fall to the ground under the influence of gravity, and the goods delivery box completely and independently works without electrical connection or information exchange with the unmanned aerial vehicle; automatic delivery of the goods can be achieved autonomously;and the problem that the unmanned aerial vehicle needs to unload the goods after landing is solved.

The invention relates to a mold structure comprising a mold body. The mold body is provided with a sheet supporting mechanism used for supporting a sheet when the mold is used; the sheet supporting mechanism comprises a sheet supporting plate, a horizontal tapered wedge and a driven block; the sheet supporting plate is provided with a groove on one side and is used for supporting the sheet; one side of the horizontal tapered wedge is connected with the sheet supporting plate; the bottom inclined surface of the driven block is connected with the inclined surface on the other side of the horizontal tapered wedge and can be driven to move; the mold body comprises an upper mold and a lower mold; the sheet supporting mechanism is arranged between the upper mold and the lower mold; the driven block is arranged on the upper mold; and the horizontal tapered wedge is arranged on the lower mold.

The invention provides a coin sorting and collating machine comprising a sorting mechanism which is used for classifying, counting and collecting all the mixed coins; a cup dropping mechanism which is used for conveying cups used for packaging the sorted coins to the designated positions one by one; and a packaging mechanism which quantitatively packages the sorted coins through the cups. The coins enter a speed-adjustable disc through a funnel, the coins having circumferential velocity continuously pass through small holes beside the disc to enter a sorting track and fall from different slot ports to be counted and packaged. The device is adjustable in separation speed, convenient to control and implementable in function; the counting accuracy is high and the result is accurate; the packaging part can realize free falling of the packaging cups so as to be high in degree of automation and efficient and convenient; the packaged and sealed coins can be automatically transmitted out of the device so that the degree of automation is high and manpower can be saved; and the whole device is integrated in sorting, counting and packaging so as to be low in cost, high in reliability and high in adaptability.

The invention discloses a method for improving the punching stability of photovoltaic glass stepped holes. The method includes the following steps that the starting point position of a focus of a 3D galvanometer is adjusted, laser is focused to the lower surface of a to-be-machined material, the coordinate positions of the point are defined as (0, 0, 0), and the hole axis coordinates of the to-be-machined material are defined as (0, 0, z); the laser starting point moves to the (r1, 0, 0) position and moves in a spiral line manner with the (0, 0, 0) used as the circle center and the r1 used asthe outer radius; after the laser starting point passes through a layer of spiral line, the focus Z axis controlled by the 3D galvanometer is lifted, and then machining is continued; when the Z axis reaches the second layer, the laser starting point moves to the (r11, 0, h) position and moves in a spiral line manner with the (0, 0, h) used as the circle center and the r11 used as the inner radius,and the advancing direction is changed into a spiral line from inside to outside until the laser passes through the spiral line of the layer; and after the focus Z axis controlled by the 3D galvanometer is lifted, machining is continued, when the Z axis reaches the third layer, the laser starting point moves to the (r1, 0, 2 h) position, and the (0, 0, 2 h) is used as the circle center. Accordingto the method, a product with the smooth hole wall, the high machining precision and the good stability can be obtained.

An automatic unloading device of a drop test machine belongs to the technical field of drop impact test, and aims to solve the problems in the prior art, three groups of spring accumulators are equidistantly arranged on a top plate, the lower part of the top plate is connected with a support frame, two sides in the support frame are respectively provided with a slide rail, and a slide block on the slide rail is connected with a box body; the lower portions of the three spring force accumulators make contact with the top of the box body, the two buffers are installed at the bottom ends of the two sides in the supporting frame respectively, and a tested object bracket is installed on the overturning plate and connected through a hinge; the box body and the overturning plate are connected through two rotating shafts; a posture fixing frame is mounted in front of the top plate; the top plate and the box body are locked through a lock pin mechanism; one end of the pull rod is fixed on the turnover plate, and the other end is connected with the connecting rod through a rotating shaft; the connecting rod is connected with the top plate through a shaft; and the limiting nut is fixed below the top plate and located above the box body to limit the rising position of the box body along the sliding rail, and after the limiting position is reached, the lock pin mechanism is locked through a plug pin. The tested object can freely fall without posture change.

The invention provides an aircraft. The aircraft comprises a main body with propellers, a first frame surrounding the main body, a second frame and a third frame, wherein the second frame and the third frame are symmetrically arranged outside the first frame. The first frame is in pivotal rotation connection with the main body through a first shaft so that the first frame can overturn relative to the main body. The second frame and the third frame are in pivotal rotation connection with the first frame through a second shaft perpendicular to the first shaft so that the second frame and the third frame can rotate in the plane perpendicular to the second shaft. The edges of the second frame and the third frame exceed the edge, in the same direction, of the first frame. The aircraft can complete actions of walking and climbing walls with the help of the frames, the crashing possibility of the aircraft can be decreased, and thus the aircraft is not limited by landforms and can rise and fall at random.

The invention discloses an auxiliary material feeding device for an automobile front shaft forging part intermediate-frequency heating furnace. The auxiliary material feeding device comprises an auxiliary mechanism body and a plurality of fixed rods arranged on the auxiliary mechanism body, wherein the multiple fixed rods are connected with one same blocking device, and the auxiliary mechanism body is fixedly connected with a placing frame and a first protection plate and a second protection plate which are connected on the placing frame. According to the auxiliary material feeding device forthe automobile front shaft forging part intermediate-frequency heating furnace, by means of the matching arrangements of the placing frame and a containing frame, the containing frame can be made to enter the placing frame smoothly, meanwhile, the containing frame can be opened to make a whole cylinder be capable of being discharged out freely, in the process of the containing frame entering the placing frame, the containing frame can enter the placing frame under guiding of the first protection plate and the second protection plate, a protection mechanism can play a role of protecting the second protection plate, the second protection plate will not perform excessive rotation because of the lateral pressure applied by the containing frame, and in this way, the fact that the containing frame enters the placing frame smoothly is facilitated.

The invention discloses a load selection device and an automatic melt index instrument. The load selection device comprises a weight box and a plurality of weights stacked in the weight box, and inserting rods used for selecting the weights, wherein a box opening is formed in the bottom of the weight box; a gap allowing the inserting rod to be horizontally inserted is reserved between the adjacentweights; at least one column of inserting holes are formed in a front plate of the weight box from top to bottom, the inserting holes correspond to the gaps in a one-to-one mode, the inserting rods are inserted into the gaps with the corresponding heights from the inserting holes, the weights located below the inserting rods in the weight box can freely fall off, and the other weights are supported by the inserting rods; the weight box is also provided with a plurality of sensors, the plurality of sensors are respectively used for detecting inserting rods which are inserted into the weight box and are located at different heights, and each sensor corresponds to a preset test load value. The test load can be quickly selected and switched by controlling the operation of the inserting rod; after the test load is switched, the test load value can be automatically identified without manual input; the device is simple in structure, high in reliability and low in cost.

The invention discloses an anti-deformation slicing device for kiwi fruit processing, and relates to the technical field of kiwi fruit processing and slicing. In order to improve the slicing rate of kiwi fruits, the anti-deformation slicing device comprises a base and a slicing mechanism, a protective shell is arranged on the outer wall of the top of the base, a guide frame is arranged on the circumferential inner wall of the protective shell, a cylinder is movably connected to the inner wall of the guide frame, a placement piece is arranged on the circumferential outer wall of the cylinder, and guide-out columns are welded to the inner walls of the two sides of the placement piece; a circular gear is connected to the outer wall of the cylinder circumference through a spline, a convex rod is movably connected to the outer wall of one side of the guide frame, and the same second spring is clamped to the inner wall of one side of the convex rod and the outer wall of one side of the guide frame. According to the kiwi fruit slicing device, kiwi fruits can be placed through the arrangement of the placement piece; after the kiwi fruits are sliced, the kiwi fruits can slide down in time along the guide-out columns through the arrangement of the guide-out columns, and therefore it can be guaranteed that the surface of the placement piece is clean and tidy.

The invention discloses a dust collection device for indoor decoration punching, which belongs to the technical field of decoration environmental protection and comprises a fixed sleeve, a movable sleeve, fan blades, a sealing suction ring, an annular baffle, a dust collection box, wherein the fixed sleeve and the movable sleeve are coaxially arranged and slidably connected with a drilling head, and the fan blades are mounted on a rotating shaft and are arranged in the fixed sleeve; the sealing suction ring is coaxially mounted at one end, far away from the fixed sleeve, of the movable sleeve, the annular baffle is coaxially installed at the end, away from the sealing suction ring, of the inner circumferential face of the movable sleeve, an annular gap is formed between the inner circumferential face of the annular baffle and the outer circumferential face of the rotating shaft, and the dust collection box is arranged at the bottom of the movable sleeve and the bottom of the fixed sleeve and is in sliding connection with the movable sleeve and fixedly connected with the fixed sleeve. The fixed sleeve is fixedly installed on the shell, and a plurality of filtering through openings are formed in the middle of the annular baffle. The device is small in size, convenient to hold for working, simple in structure and convenient to operate; the device can be tightly adsorbed on a wall body, so that the drilling head is vertical to the wall body and does not deviate; dust in the atmospheric environment is reduced, and the environment quality is improved.

The invention belongs to the technical field of textile weaving, and particularly relates to a weaving method of a woven tassel fabric. The weaving method is used for weaving the tassel woven fabric which is positioned on the two sides of a plain-color or yarn-dyed fabric and used for decoration. The weaving method comprises a tassel weaving method, a tassel and fabric body front section junctionweaving method, a tassel and fabric body rear section junction weaving method and a tassel center line weaving method. According to the tassel woven fabric woven through the weaving method, a fabric body is effectively prevented from sliding towards tassels, the quality and efficiency of the cutting procedure are greatly improved, the tassels are exquisite in appearance, firm and durable, and theweaving method is suitable for weaving the woven tassel fabric for decoration.