35results about How to "Good contact fit" patented technology

The invention provides an orange juice extraction machine. The orange juice extraction machine comprises a first rotating shaft and a second rotating shaft, wherein the first rotating shaft and the second rotating shaft are arranged in a machine body in parallel. A first downward juice squeezing head and a second downward juice squeezing head are arranged at the upper ends of the two rotating shafts respectively and are provided with convex ribs and grooves, wherein the convex ribs and the grooves are used for squeezing orange juice and arranged in a concave-convex mode. Driving devices used for driving rotating of the rotating shafts are arranged at the lower ends of the two rotating shafts respectively. An upper cover used for covering the downward juice squeezing heads is arranged on the upper portion of the machine body. Because the two rotating shafts and the two juice squeezing heads are arranged in the machine body, a complete orange can be once extracted, and the efficiency of the orange juice extraction machine is doubled when being compared with that of an ordinary orange juice extraction machine.

The invention discloses a novel phase-change cooling and heating integrated structure for power batteries. The novel phase-change cooling and heating integrated structure comprises power battery module fixtures, a temperature sensor and a control unit. Blowup aluminum uniform heating plates are closely arranged in gaps in two sides of each cylindrical power battery, the cylindrical power batteriesare longitudinally arrayed, the shapes of the blowup aluminum uniform heating plates are matched with the outer contours of cylindrical cells, the blowup aluminum uniform heating plates are in clinging contact with curved surfaces of the various cylindrical power batteries, blowup aluminum uniform heating slabs and heat exchange copper flat pipes are sequentially arranged at the tops and the bottoms of power battery modules in an overlaid manner, the corresponding blowup aluminum uniform heating slabs and the corresponding heat exchange copper flat pipes are in heat transfer contact with heatconduction planes at two ends of each blowup aluminum uniform heating plate, and heating films wrap the heat exchange copper flat pipes positioned at the bottoms of the power battery modules. The novel phase-change cooling and heating integrated structure has the advantages that heat can be efficiently dissipated for power battery packs under diversified charge and discharge working conditions, or the power battery packs can be efficiently heated under the various charge and discharge working conditions, the temperatures of the cells can be controlled, temperature difference between the different cells can be effectively reduced, accordingly, the integral power battery packs can work in reasonable temperature ranges, and heat of the cylindrical power battery modules which are densely arranged can be effectively managed.

The invention relates to a combined suturing nail cartridge for a prepuce shaping cutting suture. A nail carrying bin is arranged on the annular body of the cartridge, and the cavity of the nail carrying bin runs through the whole annular body; a cushion carrying bin is arranged on one side of the nail carrying bin; spacing grooves are formed in two sides of the nail carrying bin and are used for positioning pins of the suturing nails, and the projection of the spacing grooves are positioned on the inner side of the cushion carrying bin. Since the suturing nails and cushions can be well accommodated in the cartridge, when a suturing nail and a cushion are pushed out and nailed to a skin tissue, the suturing nail is positioned on one side of the cushion, the pressure of penis to the suturing nail is born by the single-side cushion when the penis is erected, and the single-side cushion can be used for supporting the erected penis and can be turned and moved with the penis, so that the pressure between the suturing nail and the skin tissue can be reduced; asymmetric cushion enables the brace part of the suturing nail to be close to the cut, and the suturing nail can easily cut and separate from the edge of the cut under the leveraging action of the lever force of the single-side cushion arranged far away from the cut when the penis is erected, so that the effect of quickly removing the nail can be achieved.

The invention discloses an activated carbon screening device, including a body. Multiple layers of screening hoppers are arranged inside the body, one end of the screening hopper is provided with a discharge hopper, an elastic discharge cover is arranged on one side of the discharge hopper, a discharge inclined plate is arranged on the top of the other end of the screening hopper located at the top of the inner cavity of the body, and connecting frames are arranged on both ends of the screening hopper, the connecting frame comprises a top rod and a vertical rod, the top of the top rod is provided with a cushioning mechanism, and the outside of the vertical rod is provided with a transverse moving mechanism. A convex plate is driven up and down by a hydraulic cylinder, so that a roller is bumped when passing through the convex plate, so as to realize the up and down movement of the screening hoppers. The activated carbon stuck in the meshes is shaken up for screening and moves to avoidblockage of the meshes which affects discharge of small activated carbon particles, the screening is fast and efficient, no non-blockage occurs, the whole device is simple in structure, the multi-layer screening hollers arranged in parallel are convenient in processing and installation, and the activated carbon particle bouncing does not occur to affect the screening effect, and the stability is very good.

The invention discloses a small automatic passenger service vehicle which comprises a vehicle body. At least one side of the vehicle body is provided with a door frame, and the door frames are provided with automatic vehicle doors. Each automatic vehicle door comprises two sliding doors, the upper ends of the two corresponding sliding doors are each provided with a first connector, and the lower ends of the two corresponding sliding doors are each provided with a second connector. Groove seams are formed in upper frame bodies and lower frame bodies of the door frames. Pulley blocks are symmetrically arranged on the first connectors and the second connectors, and sliding groove sets are arranged in the groove seams of the vehicle body. The two corresponding sliding doors can slide along theouter wall of the vehicle body towards the two sides of the corresponding door frame to be opened or slide into the corresponding door frame along the outer wall of the vehicle body to be closed, andsynchronous traction devices capable of driving the first connectors and the second connectors of the two corresponding sliding doors to synchronously slide are arranged in the groove seams of the vehicle body. According to the small automatic passenger service vehicle, the size is smaller than that of a traditional automatic passenger service vehicle, opening and closing of the automatic doors are convenient, the vehicle interior space cannot be affected, and the comfort of passengers in the vehicle is improved.

The invention discloses a rotary base arranged at the escalator end. The rotary base comprises a base body. The base body comprises a connecting part, a rotating groove and a fixed supporting part. The rotating groove is formed in the front end of the connecting part. The fixed supporting part is divided into a left supporting wing and a right supporting wing. The left supporting wing and the right supporting wing are integrally formed with the front end of the connecting part. Both the left supporting wing and the right supporting wing are symmetrically arranged in the rotating groove left and right, and the gap between the left supporting wing and the right supporting wing form a rotary cavity. A rotary hand wheel is movably connected to the inside of the rotary cavity. The rotary base is high in load bearing capacity, good in rigidity, low in cost, high in safety, capable of improving strength and good in adaptability. Moreover, by the adoption of the manufacturing method, production cycle can be shortened, and the painting effect and efficiency are improved.

The invention discloses a secondary tool setting method for 3+2 axis machine tool processing, which comprises the following steps: Step 1: initial tool setting of the workpiece, obtaining the initial coordinates of the machining origin of the workpiece and the apex coordinates of the reference gauge block; Step 2 : After oscillating the tool, obtain the second tool machining coordinates of the tool tip; Step 3: Move the movable parts of the machine tool so that the tool tip is in contact with the three outer surfaces adjacent to one top corner of the reference gauge block, and obtain the tool tip’s coordinates Actual coordinates; Step 4: Compare the actual coordinates of the tool nose with the machining coordinates of the second tool in Step 2 to obtain the tool nose coordinate compensation value, and input the coordinate compensation value of the second tool machining coordinates in the machine tool to complete the secondary alignment of the machine tool Knife. By adopting the above steps, it has the function of performing secondary tool setting after the tool on the tool head rotates and swings around the A-axis or the C-axis, and reduces the error of the tool on the tool head.

The invention discloses a small automatic passenger service vehicle which comprises a vehicle body. At least one side of the vehicle body is provided with a door frame, and the door frames are provided with automatic vehicle doors. Each automatic vehicle door comprises two sliding doors, the upper ends of the two corresponding sliding doors are each provided with a first connector, and the lower ends of the two corresponding sliding doors are each provided with a second connector. Groove seams are formed in upper frame bodies and lower frame bodies of the door frames. Pulley blocks are symmetrically arranged on the first connectors and the second connectors, and sliding groove sets are arranged in the groove seams of the vehicle body. The two corresponding sliding doors can slide along theouter wall of the vehicle body towards the two sides of the corresponding door frame to be opened or slide into the corresponding door frame along the outer wall of the vehicle body to be closed, andsynchronous traction devices capable of driving the first connectors and the second connectors of the two corresponding sliding doors to synchronously slide are arranged in the groove seams of the vehicle body. According to the small automatic passenger service vehicle, the size is smaller than that of a traditional automatic passenger service vehicle, opening and closing of the automatic doors are convenient, the vehicle interior space cannot be affected, and the comfort of passengers in the vehicle is improved.

The invention discloses a gear tooth electric brush plating experiment platform which comprises a worktable, a gear fixing device, a brush plating pen machine frame and a plating solution conveyor, wherein the gear fixing device is arranged on the worktable and used for driving the gear arranged on the gear fixing device to move; the brush plating pen machine frame comprises a base and a supporting frame, the base is moveably arranged on the worktable, the supporting frame is moveably arranged on the base, the brush plating pen is corresponding to the gear teeth and arranged on the supporting frame, and the position of the brush plating pen can be adjusted in the X axis, Y axis or Z axis according to the shape of the gear teeth; and in the brush plating process, a power mechanism drives the brush plating pen to reciprocate along the tooth socket of the gear. The electric brush plating experiment platform can regulate the direction of the brush plating pen in a multivariant way, and can implement brush plating on different types of gears. The electric brush plating experiment can implement automatic brush plating on the gear teeth, thereby enhancing the brush plating efficiency and implementing uniform brush plating. The electric brush plating experiment can perform brush plating on spur gears, helical gears and bevel gears, and has the advantages of favorable brush plating effect and high work efficiency.

The invention discloses a prepuce plastic cutting and suturing device. The annular knife of the suturing device is arranged inside the nail pushing part and interlocks with each other. The nail pushing part, a nail magazine and a nail plate are arranged in sequence. Multiple nail storage holes are set on the top, the nail storage holes are arranged obliquely, and nail grooves are set on the nail plate. When in use, the glans and foreskin are positioned on the glans cover. Nail groove; a spacer is arranged in the staple bin to cooperate with the staples. When the staples are nailed on the foreskin, the staples are placed on one side of the spacer, and the side of the spacer where the staples are located is stably positioned, and the other side of the spacer is One side can be flipped with the erection of the penis to reduce the pressure between the staples and the skin tissue. The asymmetric gasket makes the nail frame part of the staple closer to the incision. When the penis is erect, the unilateral gasket lever is set away from the incision. Under the prying and pulling action of force, the staples are easier to cut and come out from the edge of the incision, achieving the effect of fast nail removal.

The invention relates to an adjustment and calibration mechanism of a thermal overload relay. The adjustment and calibration mechanism comprises a tripping lever mounted in a housing, wherein the tripping lever can be coupled to the contact disengagement and engagement mechanism and main bimetal of the relay, wherein the main bimetal can drive the tripping lever to trigger the contact disengagement and engagement mechanism to trip; the adjustment and calibration mechanism further comprises an adjustment driving device mounted on the housing, a lever pivotally mounted on the housing and a temperature compensation bimetal pivotally mounted on the housing; the tripping lever is pivotally mounted on the temperature compensation bimetal; the adjustment driving device is connected with one end of the lever so as to make the lever rotate; the lever is matched with the temperature compensation bimetal; and the lever can be made to rotate through the adjustment driving device so as to drive the temperature compensation bimetal to rotate, so that the position of the tripping lever arranged on the temperature compensation bimetal can be changed, and therefore, the bending amount of the bimetal of the main circuit of the thermal overload relay can be transferred to the contact disengagement and engagement mechanism of the relay, so that the thermal overload relay can act more accurately and finely.

The invention discloses an arched automatic passenger car. The passenger car includes an arched car body, the width of the car body is gradually widening from top to bottom, at least one side of the car body is provided with a door frame, automatic car doors are arranged at the door frames, each automatic door includes two sliding doors, first connecting pieces are both arranged at the upper endsof the two sliding doors facing toward one side of the car body, second connecting pieces are arranged at the lower ends of the two sliding doors facing toward one side of the car body, groove seams are formed in the upper edge frame and the lower edge frame of each door frame, the two sliding doors can slide along the outer wall of the car body toward the two side directions of each door frame orslide along the outer wall of the car body into each door frame and close, and synchronous traction devices which slide synchronously with the first connecting pieces and the second connecting piecesand can drive the two sliding doors are arranged in the groove seams of the car body. The arched automatic passenger car is smaller in size and more fashionable in appearance than traditional automatic passenger car, a switch of the automatic car door is convenient, the interior space of the vehicle is not affected, and the comfort of passengers inside the car is improved.

The invention provides a test piece for testing the uniaxial tensile property of fiber reinforced concrete and a test method thereof. The test piece is bone-shaped, and comprises clamping sections attwo ends, a middle test section and a force transmitting section, wherein the clamping sections are in a streamline form. The test method comprises test piece forming, demoulding, tensile test preparation and experimental data recording, wherein the test piece is poured in a molding cavity defined by two side plates, two end part clamping molds and a bottom forming template, during demoulding, thetest piece is taken down together with the clamping molds, and the clamping molds are connected with the testing equipment. According to the testing method provided by the invention, the clamping molds and the test piece integrally formed, the test piece and a clamping fixture are good in contact embedding degree, a stress concentration phenomenon is not easy to occur, force transmission is uniform, and the test piece can be directly installed on test equipment to be quickly and effectively tested; the test piece is bone-shaped, the sections thereof are in smooth transition, uniform stress and force transmission are achieved, fracture at a position outside the test section is reduced, and the test success rate is high.

The invention relates to a double-wheel single-hinging profiling ground wheel assembly and belongs to agricultural machinery. A connecting plat is hinged on a beam frame, a power output shaft is fixedly arranged on a driven chain wheel and is inserted in the connecting plate in a matching manner, two ends of a bidirectional hydraulic oil cylinder are respectively hinged on the beam frame and the connecting plate, a ground wheel bracket is hinged on the lower side part of the connecting plate, central shafts are fixedly arranged on a driving chain wheel and an overrunning clutch and are inserted into the connecting plate and the ground wheel bracket in a matching manner, a first driven chain wheel and a second driven chain wheel are fixedly arranged on the exterior of the overrunning clutch, a first driving ground wheel and a second driving ground wheel are arranged on two side parts of the ground wheel bracket, a first driving tower chain wheel and a second driving tower chain wheel are respectively fixedly arranged on a first driving ground assembly and a second driving ground assembly, a main driving chain is sleeved on the driven chain wheel and a driving chain, a first drivingchain and a second driving chain are respectively sleeved on the first driving tower chain wheel and the first driven chain wheel, and a second driving tower chain wheel and the second driven chain wheel. The double-wheel single-hinging profiling ground wheel assembly disclosed by the invention has the advantages of simple, novel and reasonable structure, enough driving power for operation, good profiling performance and reliability for using.

The invention discloses a lift capable of walking freely. The lift capable of walking freely comprises a lift car frame arranged around a lift car and a first walking assembly arranged on the upper side of the lift car. The first walking assembly is connected with the lift car frame and the lift car. The first walking assembly drives the lift car to move out of a lift shaft along a H-bar, and walking wheels are driven by a drive mechanism to walk. When the lift car moves to moving rails, the walking wheels make contact with the moving rails and walk on the moving rails, in the state, the firstwalking assembly and the walking wheels simultaneously act, so that the lift car can be moved out of the lift shaft, and then the lift car can walk to a needed position along fixed rails. In this way, the lift capable of walking freely facilitates goods carrying and reduces labor cost.

The invention discloses a turbine intra-wheel hole grinding device, and belongs to the technical field of mechanical tools. The device comprises a main shaft, at least two lists of holes are formed in the main shaft in the radial direction, the two lists of holes are evenly distributed along the circumference of the main shaft, each list comprises at least two holes, bolts are located through nuts after penetrating through the holes, one end of each bolt is provided with threads, the other end of each bolt is provided with a clamping head, grinding material supporting rods provided with clamping notches are arranged in parallel with the main shaft, the number of the supporting rods is at least two, the clamping heads of the bolts are connected into the clamping notches of the supporting rods, springs are arranged on the bolts in a sleeving mode and arranged between the main shaft and the supporting rods, the outer surfaces of the supporting rods are arc, the arc surfaces are not continuous in the circumferential direction, grooves are formed between the arc surfaces in the length directions of the supporting rods, and grinding materials are arranged on all the arc surfaces. The device can improve the grinding precision and improve the working efficiency.

The invention discloses an electric contact device for a universal circuit breaker. The electric contact device comprises a movable wiring assembly arranged on the side wall of a circuit breaker body and a static wiring assembly arranged on the side wall of a base, wherein the movable wiring assembly comprises a plurality of male end plugging bodies and two movable contact pieces which are respectively arranged on the upper side and the lower side of each male end plugging body in an extending manner; and the static wiring assembly comprises a plurality of female end connecting bodies and two static contact pieces which are arranged in inner cavities of the female end connecting bodies respectively, and the two static contact pieces protrude and extend oppositely at the opening ends of the female end connecting bodies to form elastic clamping opening structures. When the circuit breaker body moves into the base, the male end plugging bodies penetrates into the open end and are plugged between the elastic clamping opening structures, so that the two static contact pieces and the two movable contact pieces are respectively kept in close contact, the contact pressure is improved, the contact stability between the male end plugging bodies and the female end connecting bodies is ensured, the phenomena of loosening and shaking are prevented, the electric contact device is convenient to install and use, and wiring operation is more convenient.

The invention discloses a regulating method of an outlet lifting roller way of a steel rail rolling mill excellently matched with a steel tapping state of a steel rail. The outlet lifting roller way consists of at least five rollers which are arranged at intervals. The method comprises the following steps of: determining a standard rail; building outlet lifting roller way curve models of each stand matched with the standard rail according to theoretical calculation and actual analysis; correspondingly acquiring curves of the corresponding outlet lifting roller ways based on the models according to the influence on deformation bending conditions of the steel rails stressed by the gravity during steel tapping by actual material change, specification change, temperature change and pass change in rolling; and regulating the height of each roller. With the method, sidewise bending and hard bending defects caused by steel tapping can be reduced.

A horizontal support beam is provided with a vertical connection bracket, constructed to attach the horizontal beam to a vertical column of a storage rack system. The vertical connection bracket includes a plurality of protrusions positioned to eliminate some of the gaps that can exist between the bracket and column. The vertical connection bracket can be an L shaped angle bracket. An inside surface of the first arm can include a plurality of protrusions, which can be formed by pressing dimples into the first arm, to help ensure a tight, contacting fit between the inside surface of the first arm and the vertical column.