41results about How to "The structure takes up little space" patented technology

The invention discloses a multi-station sheet loading device and a punching production line. The multi-station sheet loading device comprises a frame, a manipulator, and at least two emptying mechanisms arranged on the frame for placing sheets; the manipulator comprises a main body, a rotating arm rotationally arranged at the upper part of the main body, and a sucker arranged at the tail end of the rotating arm; a rotary driving mechanism for driving the rotating arm to rotate is arranged in the main body; the rotating arm is provided with a taking driving mechanism for driving the sucker to vertically move; each emptying mechanism is arranged on the trajectory of rotating the sucker along the rotating arm; the rotary driving mechanism can drive the rotating arm to switch the sucker between the upper side of one emptying mechanism and a target position; and the taking driving mechanism drives the sucker to vertically move to take materials on the emptying mechanisms. Compared with theprior art, the multi-station sheet loading device switches the taking position between two emptying mechanisms through modes of the sucker vertically lifting sheets and the rotating arm rotating the sucker, so that the taking position switching mode is fast, the loading mode is simple, the overall structure occupied space is less, and the production cost is low.

The platform discloses a six-degree-of-freedom installation platform. The platform is composed of a chassis, Z-direction columns, an adapter frame, a posture adjusting frame and the like; the chassisis of a plane frame structure, and the Z-direction columns are provided with lifting support structures capable of screw rod transmission; the Z-direction columns are fixed at the four corners of thechassis, supporting ball heads of the four corners of the adapter frame respectively form ball hinge structures with the supporting structures on the four Z-direction columns, and the adapter frame isfixed above the posture adjusting frame through a sliding seat; during the installation process, the adapter frame is moved up and down and conducts flip-flop movement along the Z-direction columns,and the posture adjusting frame conducts translation and rotation movements along the upper surface of the adapter frame in an XY plane.

The invention discloses an anti-scrap protective cover and a machining center, and belongs to the field of machine manufacturing. The anti-scrap protective cover is applicable to the machining center. The machining center comprises a lathe bed and a stand column which moves relative to the lathe bed. The anti-scrap protective cover comprises a body 1, a supporting shaft 2, a first hinge 3 and a second hinge 4. The body 1 comprises a plurality of pulling plates 5 which are mutually sleeved in an embedded mode, are arranged on the supporting shaft 2 and can slide along the supporting shaft 2. The first hinge 3 and the second hinge 4 respectively comprise one end and the other end which mutually rotate. The one end of the first hinge 3 is connected with the one end of the body 1. The other end of the first hinge 3 is connected with the lathe bed. The one end of the second hinge 4 is connected with the other end of the body 1. The other end of the second hinge 4 is connected with the stand column. According to the technical scheme of the anti-scrap protective cover and the machining center, by the adoption of linear extension and retraction and the rotational motion at the two ends, the anti-scrap protective cover can turn over by a certain angle, the structure is compact, iron scraps are not easily accumulated, and the movement is flexible.

The invention discloses an expansion device for a culvert and a corrugated steel pipe culvert with the expansion device. The expansion device comprises two circles of coaxial reinforcing section steel, the cross section of each piece of reinforcing section steel is in an I shape, upper flange plates of the two pieces of the reinforcing section steel are covered with a circle of outer web plate, lower flange plates of the two pieces of the reinforcing section steel are covered with a circle of inner web plate, and an elastomer is fixed to the middles of web plates of the two opposite sides of the two pieces of the reinforcing section steel. The expansion device is simple in structure and convenient to install, the deformation problem of a pipe joint body can be solved, the expansion deviceis particularly suitable for a pipeline in which a corrugated steel culvert pipe is laid, so that the corrugated steel culvert pipe is more suitable for different geologies and landforms.

The invention discloses an ice-storage low-temperature pipe air supply device. The tail end of a primary air inlet pipe is connected with an induction mixing box, the induction mixing box is connected with a mixed air outlet pipe, an induction pore plate is arranged in the primary air inlet pipe, an induction air port is arranged on the wall of the induction mixing box, the induction air port is connected with the induction air pipe, and the induction air pipe is equipped with an air valve therein. Pores of the induction pore plates are same and evenly distributed; and ratio of area of the induction pore plate to the sectional area of the primary air inlet pipe is 1:3-2:3. The ice-storage low-temperature pipe air supply device can supply air with proper temperature to rooms, and produce no dew and dripping when sending conditioned air to an air inlet. The device has the advantages of flexible and convenient arrangement, simple production, small occupied space, no additional power supply and low cost.

The invention discloses a heat exchanger for a horizontal-tube falling film evaporator. The heat exchanger comprises a liquid distributor and a heat exchange tube group, wherein the heat exchange tubegroup comprises a tube plate and a plurality of parallelly arranged curved heat exchange tubes side by side; each curved heat exchange tube comprises a water inlet tube, a water outlet tube, a baffleplate and a partition plate; the curved heat exchange tubes are of hollow structures; the partition plate covers two curved sides of each curved heat exchange tube hermetically, the baffle plate is arranged in the hollow structure, and a plurality of limber holes are uniformly formed in the baffle plate; the longitudinal sections of the curved heat exchange tubes are symmetrical curved surfaces symmetrical about the longitudinal axis, and each symmetrical curved surface comprises n circles and (n-1) necks, wherein n is greater than or equal to 2; convex arcs of the circles and concave arcs ofthe necks are in tangential transitional connection; the central angle between concave points of the two concave arcs of the necks and the center of circle of each circle is alpha; and the circles and the necks of adjacent two curved heat exchange tubes in the heat exchange tube group are arranged in a staggered mode. The heat exchanger disclosed by the invention can guarantee the flowing stability of a refrigerant, and solves the problem of accumulation and current deflection of liquid films at the bottom of a round tube effectively.

The invention discloses a slider pin drawing mechanism and an injection mold. The slider drawn needle mechanism comprises a slider, a pin, a slide seat and a guide block, wherein a slide cavity matched with the slider is formed in the slide seat, one end of the slider is inserted into the slide cavity, and the other end of the slider is connected with the pin which is parallel to the slider; a via hole communicated with the slide cavity is formed in one side, corresponding to the guide block, of the slider, and one end of the guide block is inserted into the slide cavity through the via hole; one end, inserted into the slide cavity, of the slider is in guide fit with one end, inserted into the slide cavity, of the guide block; the slider retracts towards the inner side of the slide cavity under the guide action of the guide block when the end, inserted into the slide cavity, of the guide block is drawn outwards from the via hole; the slider extends towards the outer side of the slide cavity under the guide action of the guide block when the guide block is inserted into the slide cavity through the via hole. According to the technical scheme, the material cost of the injection mold is reduced, the processing amount is reduced, the molding cycle is shortened, and the mold strength is enhanced.

The invention relates to the technical field of computer spare and accessory parts, in particular to a computer component for information communication, and aims to solve the technical problems that an existing device is inconvenient to store and stack, inconvenient to store and carry and prone to dust deposition. The computer component for information communication comprises a first bottom plate, a second bottom plate, a first cross arm, a second cross arm, a stretching device and a curtain device. A display shell is made to turn over through the stretching device, switching between the two states of vertical display placement and flat placement storage is achieved, and the use and storage effects are better; curling and unfolding actions of first dustproof cloth are achieved through the curtain device, the first dustproof cloth is used for shielding and protecting the display screen on the inner side of the display shell, the stretching device and the curtain device are linked, a threaded pipe is rotated to synchronously realize vertical unfolding of the display screen and rolling of the first dustproof cloth to expose the screen for display, so that the use is more convenient and easier.

The invention discloses an electric connector. The electric connector includes an insulation body provided with a receiving hole, and a first terminal and a second terminal which are received by the receiving hole in a split mode, wherein the first terminal includes a first base portion, the first base portion is bent forwards and upwards to extend to form a first elastic arm used for pressing against a docking assembly upwards, one side of the first base portion is bent forwards to extend to form a first main body, the bottom of the first main body is provided with a first pressing portion, the second terminal includes a second base portion below the first base portion, the second base portion is bent forwards and downwards to extend to form a second elastic arm used for pressing againsta matching assembly, one side of the second base portion is bent forwards to extend to form a second main body, the top of the second main body is provided with a second pressing portion, when the first elastic arm is pressed downwards by the docking assembly, the second elastic is pressed upwards by the matching assembly, the first elastic arm presses against the second pressing portion, and thesecond elastic arm presses against the first pressing portion. The electric connector is advantaged in that the manufacturing process and the manufacturing flow of the terminal are simplified, and multiple conductive channels are realized.

The invention relates to a compact endoscope surgical robot end driving structure. The compact endoscope surgical robot end driving structure comprises surgical end driving mechanisms; the surgical end driving mechanisms are installed on driving mechanism bases; the driving mechanism bases are installed at the tail ends of mechanical arms; the mechanical arms are arranged above a bed board; the surgical end driving mechanisms are connected with surgical instruments; slender rods of the surgical instruments pass through middle channels of the surgical end driving mechanisms; each surgical end driving mechanism comprises a linear motion mechanism and a rotary motion mechanism; the slender rods of the surgical instruments are driven by the linear motion mechanisms and the rotary motion mechanisms to do linear motion and rotary motion; the mechanical arms are connected to a movable frame; the movable frame is arranged above the bed board in a striding mode; translation guide rails are installed on the left and right sides of the bed board; and the movable frame moves horizontally along the translation guide rails. According to the invention, the structural space of the surgical ends ofthe mechanical arms can be greatly reduced, the possibility of mutual interference of the tail ends of the mechanical arms is reduced, and more possible operation space is provided for clinicians.

The invention provides a self locking mechanism and an unmanned aerial vehicle and mainly relates to the technical field of unmanned aerial vehicles. The self-locking mechanism comprises a fixing base, a self locking assembly and a connection support, wherein the fixing base is hinged to the connection support; the self locking assembly is connected with the fixing base; and the fixing base is in a rotating state relative to the connection support, and thus the self locking assembly is in clamped fit with the connection support selectively. The self locking mechanism provided by the invention can achieve self locking quickly, the structure in the locked state is small in occupied space, and using safety and convenience are improved. The unmanned aerial vehicle provided by the invention is safer in use and more convenient to store.

The invention discloses a reactor core melt cooling and collecting device which is characterized in that a cooling cavity is formed by a gap between a steel collecting container and a reactor cavity, the steel collecting container is used for expanding, collecting and cooling a reactor core melt layer by layer at the same time, and then the reactor core melt is further cooled in the cooling cavity, so that the cooling capacity of the whole device is improved; and the reactor core melt and the cooling device are of an integrated structure, the structure of the formed cooling cavity occupies less space, when a serious accident of the reactor occurs, the reactor core melt can be quickly and efficiently collected, the melt can be cooled in a passive manner, the melt is solidified in a collection container, the release of radioactive substances is reduced, and the reactor is safe, reliable and higher in efficiency.

The invention relates to an ink box device for supplying ink to multiple spray nozzles and a code spraying device. The ink box device comprises a shell body, an ink box body, a detection device and acontrol device, wherein the shell body is used for protecting inner members mounted in the shell body, the shell body comprises an outer cover and an ink box lid positioned on a top part of the outercover, the ink box body is arranged in the shell body, the ink box body is connected with the ink box lid in an airtight manner, an accommodating space for accommodating ink is formed via enclosure ofthe ink box body and the ink box lid, the ink box body or/and the ink box lid is provided with a plurality of connector holes used for connection with the spray nozzles and supplying ink to the same,the detection device comprises a temperature sensor used for detecting temperature of ink in the ink box body and a liquid level sensor used for detecting a liquid level of the ink in the ink box body, and the control device is connected to the ink box body and is used for adjusting the temperature and the liquid level of the ink in the ink box body. The ink box device can be used for supplying ink to the plurality of spray nozzles, the whole structure is small in occupied space, the ink box device is convenient to install and disassemble, and cost can be greatly lowered.