494 results about "Rhomboid" patented technology

The invention discloses a hoisting device and method for casting production. The hoisting device comprises a hoisting plate, two clamping pincers and an automatic telescopic piece, and two sets of inserting claws are arranged at the bottoms of the two clamping pincers in a staggered mode; two pulleys are connected below the lifting plate in a left-right sliding mode, the top ends of the clamping pincers are each fixedly connected with a set of lifting ropes, and the two sets of lifting ropes are crossed, then bypass the pulleys in the opposite side directions and are connected with the inserting claws; a rectangular ring is arranged at the crossed position of the lifting ropes, the upper end of the rectangular ring is connected with an automatic telescopic piece, a rhombic four-bar linkage is hinged to the lower end of the rectangular ring, and the left and right sides of the rhombic four-bar linkage are hinged to power arms of the clamping pincers; through the arrangement of the automatic telescopic piece, the lifting plate, the clamping pincers, the pulley, the inserting claw, the rectangular ring and the lifting rope, the automatic telescopic piece stretches out and draws back up and down, the two clamping pincers can be driven to be opened or closed through the rhombic four-bar linkage, and therefore a casting is automatically clamped or released, and time and labor are saved; in addition, through coordination and cooperation of a lifting rope, a rhombic four-bar linkage and an inserting claw, the clamping effect on the casting is improved.

The high-precision turning, milling and grinding integrated machining special machine for the tail of the screw of the injection molding machine comprises a machine body, and a mechanical arm used for feeding and discharging is installed on the front side of the top of the machine body. Through cooperative use of the moving mechanism, the left end clamping mechanism and the machining mechanism, the two ends of a single-screw rhomboid screw or an auxiliary-screw rhomboid screw can be clamped and fixed no matter the single-screw rhomboid screw or the auxiliary-screw rhomboid screw is machined, the clamping mode does not generate a dead angle area, the traditional mode that clamping is conducted only through the single end is changed, the situation that a workpiece is affected by centrifugal force is avoided, and the machining efficiency is improved. Therefore, the accuracy of thread engraving and milling is improved, waste chips generated by engraving and milling can be collected in the waste collecting box, and the cleanliness of the environment is guaranteed; besides, a storage mechanism and a detection mechanism are arranged for cooperative use, a milling cutter, a grinding head and a drilling head used in the machining process can be automatically replaced, threads on machined workpieces can be detected, substantive improvement is achieved, and the device is beneficial to application and popularization.

A rhomboid shaped spinal implant may include a proximal surface that extends from a first lower end to a first upper end thereof a first distance, and a distal surface that extends from a second lower end to a second upper end thereof a second distance. The implant may include a superior surface that extends from the first upper end of the proximal surface to the second upper end of the distal surface a third distance, and an inferior surface that extends from the first lower end of the proximal surface to the second lower end of the distal surface a fourth distance. In various embodiments, the first distance is greater than the second distance, and the third distance is less than the fourth distance. In some embodiments, at least one bone screw aperture defines a trajectory extending in a direction substantially perpendicular to the superior and / or inferior surface.

The invention provides a multi-claw parallel stem clamping and seedling taking device which is used for accurately clamping and pulling out seedlings and solves the problems that a traditional device is high in seedling damage rate and low in seedling taking efficiency. The device comprises a lifting plate, a base column, a fixing plate, a lead screw, a translation plate, a double-hinge scissor-type telescopic mechanism, a clamping arm and the like. The lifting plate is connected with the base plate in a sliding mode and can ascend to a high station or descend to a low station. Rotatable lead screws and horizontal guide sliding grooves are arranged on the base column and the fixing plate, the guide sliding grooves are divided into an upper layer and a lower layer, and the tail ends of the guide sliding grooves are connected. And a translation sliding groove is formed in the lifting plate and is aligned with the guide sliding groove. A plurality of Z-direction sliding ways are arranged on the translation plate, sliding groove pins are arranged in the sliding ways in a sliding mode, and positioning pins are arranged below the sliding ways. The double-hinge scissor-type telescopic mechanism is installed on the front face of the translation plate and composed of a long rotating rod and a short rotating rod to form a rhombic closed ring, and the lower end is connected with the clamping arm. Through connection of a composite mechanism of the sliding groove assembly, accurate control over seedling transplanting and seedling dropping is achieved.

A tissue retractor for laparoscopic surgery according to the present invention is a device for retracting tissues including organs in the abdominal cavity during laparoscopic surgery. The device has a structure in which four bar-shaped main frames are connected to each other to form a rhombus shape, and the four vertices thereof can be folded or unfolded. Accordingly, when one pair of first vertices facing each other are completely folded and the other pair of second vertices are completely unfolded, the device becomes a straight line and can be inserted into the abdominal cavity via a trocar installed in a surgical incision.

The double-head dual-purpose turning tool comprises a tool handle, a tool bit is arranged at the end of the tool handle, rhombic tool grooves are formed in the left end foot and the right end foot of the cutting face of the tool bit, blades are installed on the rhombic tool grooves, the acute angle end of one rhombic tool groove faces outwards, the obtuse angle end of the other rhombic tool groove faces outwards, and the blade faces outwards. A wear-resisting block mounting hole penetrating through the blade is formed in the middle of the blade, a wear-resisting block is mounted in the wear-resisting block mounting hole, a limiting hole penetrating through the wear-resisting block is formed in the middle of the wear-resisting block, a gasket block is mounted at the groove bottom of the rhombic cutter groove, and the blade abuts against the gasket block. A limiting block used for fixing the blade is installed on the cutting face of the tool bit. The turning tool is reasonable in design, the turning tool blade is further utilized, the two tool grooves are formed in one tool, the sharp-angled end and the obtuse-angled end of the blade are used in the two tool grooves respectively, the utilization rate of the blade is increased, and specialized production is facilitated.

The invention discloses a novel liquid cooling plate for a new energy vehicle. The novel liquid cooling plate passes through a main side flow channel of a flow channel of cooling liquid; the main runner extends along the inner cavity; the side runner is along the side wall of the inner cavity; when entering the main flow channel, cooling liquid sequentially passes through the rhombic turbulent flow column modules, the flow divider, the oval turbulent flow column modules and the circular turbulent flow column modules to flow out. The rhombic modules are turbulent flow columns on which a plurality of rhombic columns are uniformly distributed; the elliptical module is a turbulent flow column on which a plurality of elliptical cylinders are uniformly distributed; the circular module is provided with a plurality of cylindrical turbulent flow columns, and a plurality of triangular flow guide plates are arranged among the cylindrical turbulent flow columns; the side main runners are communicated through the through holes; the liquid inlet and the liquid outlet are provided with slope surfaces with inclination in advance, and liquid flows from the high positions of the slope surfaces to the low positions of the slope surfaces. By arranging different heat dissipation modules, the purpose of improving the cooling efficiency is achieved.

A prosthetic valve can include a radially expandable and compressible frame having a plurality of struts forming a plurality of cells, and a valvular structure mounted within the frame. The valvular structure can comprise a plurality of leaflets each having an inflow end portion and an outflow end portion, adjacent leaflets being connected to each other at the outflow end portions to form commissures of the valvular structure. A first subset of struts of the plurality of struts can be angled struts and a second subset of struts of the plurality of struts can be axial struts that extend in a direction parallel to a longitudinal axis. One or more of the axial struts can include a first, straight portion having a constant cross-sectional profile and a second, rhombus-shaped portion connected end-to-end with the straight portion.

The utility model relates to the technical field of turnover equipment, in particular to a clamping turnover mechanism, which is used for clamping a workpiece with a diamond flange and comprises a turntable and a driving part used for driving the turntable to rotate, a clamping unit is arranged on the turntable and comprises two fixing blocks, an adjusting part and two limiting blocks, the two fixing blocks and the adjusting part are fixedly arranged on the turntable, and the two limiting blocks are connected with the adjusting part. The adjusting part is used for driving the two limiting blocks to move relatively, a first state that a clamping space is defined between the two limiting blocks and the two fixing blocks is formed, the two limiting blocks further have a second state that the clamping space is opened to form an opening, in the first state, the rhombic flange can be fixed in the clamping space, and in the second state, the rhombic flange can be fixed in the clamping space. The rhombic flange can enter and exit the clamping space through the opening. The problem that in the prior art, a workpiece with a rhombic flange is inconvenient to fix rapidly is solved.

The embodiment of the invention relates to the technical field of aerodynamic layout of supersonic aircrafts, and discloses a two-dimensional rhombic double-wing aerodynamic force prediction method, device and equipment and a medium. According to the emission position of the oblique shock wave, the aerodynamic parameters of the oblique shock wave, the emission position of the expansion wave, the aerodynamic parameters of the expansion wave and a predetermined first slip line, predicting aerodynamic force between the two rhombic wings; when the two expansion waves intersect, the aerodynamic force between the rhombic double wings is predicted according to the flow field properties of the two expansion waves before intersection and a predetermined second slip line; wherein the expansion wave is generated by the midpoint of the lower wing in the two-dimensional rhombic double wings; the intersected expansion wave is a fan-shaped area, and the Prandtt-Mayer expansion fan of the intersected expansion wave is emitted from the vertex of the fan-shaped area. According to the method, the complex flow field characteristics under double-wing flow can be accurately described, and the precision and efficiency of aerodynamic force prediction are improved.

The utility model discloses an urban ecological protection water body slope protection structure which comprises limiting plates arranged on the two sides in a downward inclined mode along the slope face, positioning plates transversely arranged at the top and the bottom between the limiting plates on the two sides, and rhombic planting frames evenly arranged in a frame formed by the limiting plates and the positioning plates. The positioning plate is provided with a flow guide groove which is parallel to the slope surface and is through up and down; longitudinal flow guide holes which are parallel to the slope surface and are through up and down are formed in the two corners of the top and the bottom of the rhombic planting frame, and the longitudinal flow guide holes correspond to the flow guide grooves in position. The rhombic planting baskets are filled with soil, turf vegetation is laid on the surfaces of the rhombic planting baskets, rainwater on slope top curbs and nearby road surfaces is guided into the rhombic planting baskets through the flow guide grooves, the effect of guiding the rainwater to leak internally is achieved, the flow speed of the rainwater leaking internally is reduced, the rainwater does not easily carry the soil, the flowing flow of the rainwater on the surfaces is reduced, and meanwhile under the effect of the turf, the slope top curbs and the slope top curbs are protected. The surface soil is not easy to lose, and the effect of ecological water and soil protection is achieved.

The present invention discloses a bioresorbable cardiovascular stent (100). The bioresorbable cardiovascular stent (100) comprising at least one strut (104) (110) connecting the plurality of rhombus-shaped cells (102) in both the longitudinal directions and the circumferential directions and each strut (104) (110) provided with a consistent thickness (108) and width (106). The stent (100) maintains a uniform thickness (108) throughout its length, and featuring struts (104, 110) with consistent thickness (108). The stent (100) is manufactured by using a micro-injection molding process with a single sprue-less hot runner gate. The bioresorbable cardiovascular stent (100) is configured to maintain structural integrity, biocompatible properties, improve radial stiffness to (612 kPa / mm) and radial strength to (225 kPa).

The utility model discloses a wear-resisting middle trough which comprises a middle trough body and a connecting assembly, the inner surface of the middle trough body is fixedly connected with a middle plate, the upper surface of the middle plate is fixedly connected with a rhombic reinforcing strip, the rear inner wall of the middle trough body is fixedly connected with a reinforcing rib, and the side surface of the reinforcing rib is fixedly connected with a linear reinforcing strip. Reinforcing convex particles are fixedly connected to the side surfaces of the reinforcing ribs, the connecting assembly comprises a first connecting base, a second connecting base, a rotating shaft, a rotating block and a bolt, and the front surface of the middle trough body is fixedly connected with the first connecting base. Meanwhile, direct abrasion to the middle trough in the using process is reduced, so that the service life of the middle trough is prolonged, the two middle trough bodies can be rapidly disassembled and assembled, maintenance is convenient, meanwhile, the maintenance time can be effectively shortened, and the influence of equipment shutdown on production is reduced.

The utility model discloses a water conservancy project slope protection net convenient to position, and relates to the technical field of water conservancy projects, the water conservancy project slope protection net comprises a slope protection net body, a loading and unloading assembly is arranged on the outer surface of the slope protection net body, and a plurality of fixing plates are fixedly connected to the upper surface and the lower surface of the loading and unloading assembly; positioning assemblies are slidably connected to the middles of the front faces of the multiple fixing plates in a penetrating mode. According to the slope protection net, through mutual cooperation of a positioning cylinder, a square block, a blocking plate, a threaded rod, a strip-shaped groove, a positioning column, a rhombic block and a through groove, when the slope protection net and soil are positioned, the positioning cylinder is inserted into a fixing plate and inserted into the soil, and then the rhombic block rotates to drive the threaded rod to rotate; through the arrangement of the structure, the effect that the slope protection net and the soil are conveniently positioned is achieved, and meanwhile position fixing is enhanced.

The utility model discloses a device for detecting the size of a bottle body of a glass bottle, which relates to the field of glass bottle detection and has the technical key points that the device comprises a base, the top of the base is provided with a movable cavity, the movable cavity is internally provided with a plurality of limiting blocks, and the limiting blocks are separated to form detection intervals; a plurality of adjusting grooves are formed in the outer edge of the base, the adjusting grooves communicate with the interior of the movable cavity, adjusting rods are slidably connected into the adjusting grooves, the adjusting rods of the multiple adjusting grooves are connected with one sides of the multiple limiting blocks correspondingly, and rotating grooves are formed in one sides of the limiting blocks; a mounting rotating cylinder is rotationally connected into the rotating groove, and a fixed end is arranged at one end of the adjusting rod, so that the technical problems that when the special-shaped bottles are detected, the shapes of the special-shaped bottles are different (such as a square shape, a rhombus shape and the like), so that the cambered surfaces of the original limiting blocks cannot be attached to the glass bottles, and the inner edge gaps between the glass bottles and the detection intervals are difficult to observe are solved.

The utility model discloses a rhombic power supply waterproof wire end male head with a baffle plate, which comprises a non-detachable plug shell and a non-detachable wire arranged at the tail part of the plug shell, the bottom side wall of the plug shell is fixedly connected with a plug protection frame, and the plug protection frame is internally provided with a first plugging cavity and a second plugging cavity which are isolated from each other. Two power source female pins are arranged in the first plugging cavity, and six signal female pins are arranged in the second plugging cavity. The top of the plug protection frame is fixedly connected with an L-shaped baffle plate, and the baffle plate is located between the two power supply female pins and the six signal female pins. According to the utility model, the baffle plates are arranged between the two power supply female pins and the six signal female pins and are used for separating the power supply female pins from the signal female pins, so that fire catching caused by short circuit of the signal female pins due to sparks generated by the power supply female pins when the current of the power supply female pins is large is avoided, and the safety of the plug is high.

The utility model discloses a water conservancy slope protection component, and particularly relates to the technical field of water conservancy slope protection, which comprises rhombic frames and connecting pieces for connecting two adjacent rhombic frames, a plurality of diversion trenches are formed in the bottom wall of the rhombic frame, a plurality of plugs are fixed to the bottom wall of the rhombic frame, connecting plates are fixed to the four corners of the outer side of the rhombic frame, and through holes are formed in the connecting plates; the connecting piece comprises a connecting base, two parallel inserting rods are fixed to the lower side of the connecting base, and the inserting rods penetrate through the corresponding through holes. A plurality of diversion trenches are formed in the bottom wall of the rhombic frame, a plurality of drainage ports are formed in the side wall of the rhombic frame, and the drainage ports and the diversion trenches form a three-dimensional drainage network, so that slope runoff can be quickly dispersed, the problem of soil loosening caused by rainwater accumulation is solved, and meanwhile, the risk of rotting of vegetation roots caused by local water accumulation of a traditional slope protection can be avoided.

1. Name of the product in this design: Rhombus-shaped road drift seat. 2. Purpose of this product design: To insert a float (float) into a fishing line. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1. 5. The top view is shown in perspective view 1, and the bottom view is shown in perspective view 2. The top and bottom views are omitted.

The utility model discloses an inductance pin correcting mechanism which comprises a bottom plate and a top plate, four first guide columns distributed in a rectangular array mode are installed at the bottom of the top plate, the bottom plate is located under the top plate, and four guide holes allowing the first guide columns to penetrate through are formed in the bottom plate. The bottom ends of the four first guide columns penetrate through the corresponding guide holes and are provided with limiting blocks, and the four first guide columns are sleeved with springs; according to the inductance pin correction mechanism, downward pressure is applied to the pressing plate, the top plate can drive the sliding plate and the upper straightening plate to move downwards, the upper straightening plate moves downwards and is inserted into the lower straightening plate, a rhombic quadrangular prism space can be formed, the rhombic quadrangular prism space is gradually reduced, and therefore the inductance pin can be corrected. According to the inductor pin straightening device, the bent inductor pin can be gradually straightened, only the inductor pin needs to be placed in the V-shaped groove of the lower straightening plate in the whole straightening process, then the pressing plate is pressed downwards, operation is easy and fast, and the straightening efficiency is greatly improved.

The invention discloses a deformable reticulated shell structure device with adjustable Gaussian curvature, the device comprises a reticulated shell structure, a driving mechanism and an executing mechanism, the reticulated shell structure is an initial plane configuration formed by hinging a plurality of flexible connecting rods in a plane, and the driving mechanism comprises a driving device and a connecting piece; the driving mechanism is connected with a central cross-shaped flexible connecting rod of the latticed shell structure through a connecting piece and is used for adjusting the included angle of the rhombic flexible connecting rod, controlling the overall radial length, triggering buckling of the latticed shell structure and realizing continuous deformation from a plane to a plane with positive Gaussian curvature or negative Gaussian curvature; the executing mechanism is arranged on the lower surface of the latticed shell structure and is of an array structure formed by arranging a plurality of flexible suction cups in the circumferential direction of an arc flexible connecting rod; and the base is used for fitting or contacting with a target surface after deformation is completed. The structure is simple in structure, easy to drive and controllable in deformation, and can meet the fitting requirement of a complex curved surface after being integrated with the flexible fitting layer or the adsorption structure.

A support apparatus for a modal test and a using method thereof. The support apparatus includes: a suspension structure (1) configured to suspend a test unit (2); and a support structure disposed under the suspension structure (1) and configured to support the test unit (2). The suspension structure (1) and the support structure are matched to cause a stiffness of the support apparatus for a modal test to be zero. The support structure includes an anti-stiffness rhombus-shaped frame (4), a scalable sleeve, a horizontal elastic component (49), and a base (6). The scalable sleeve is connected to the anti-stiffness rhombus-shaped frame (4) and the base (6) respectively, and the horizontal elastic component (49) connects two diagonal points of the anti-stiffness rhombus-shaped frame (4).

The invention discloses a scissor-fork joint type lifting mechanism, belongs to the field of mechanical transmission, and mainly aims at overcoming the defects that an existing lifting table is poor in stability, large in weight, low in lifting height and the like. The lifting body is characterized in that all the rhombic latticed bearing surfaces are connected together through the bent connecting pin shafts, the freedom degree of all the surfaces is limited, the seesaw effect is avoided, the lifting body of a triangular truss structure, a quadrilateral truss structure and the like is formed, and the stability is greatly improved. Especially, the triangular structure also has the characteristic of good stability of the triangle, the structure is simpler, the weight is lighter, and due to the super-good stability, the consumption of raw materials and the dependence on high-quality materials can be further reduced, and the gravity center and the cost of the product are also reduced. Due to the fact that the proportional relation n and the assembly relation n-1 of the long bearing rod and the short bearing rod are found, the lifting device can be achieved, otherwise, only the equilateral shape can ascend and descend. And different length * width size requirements of the lifting platform can be met by different n. Three kinds of lifting assemblies which are unconventional and unorthodox are also bright spots, especially the first kind of umbrella-shaped structure.

The utility model discloses a flow guide type liquid polishing frame for a glass liquid polishing process, which comprises a first fixing plate, a second fixing plate, a first side flow guide plate, a second side flow guide plate and a plurality of rhombic support rods, the multiple rhombic supporting rods are arranged between the bottom edge of the first fixing plate and the bottom edge of the second fixing plate in parallel, the first side drainage plate is installed between the first side edge of the first fixing plate and the first side edge of the second fixing plate, and the second side drainage plate is installed between the second side edge of the first fixing plate and the second side edge of the second fixing plate. The first fixing plate, the second fixing plate, the first side drainage plate, the second side drainage plate and the multiple rhombic supporting rods jointly define a containing space used for containing a glass plate. And a plurality of guide grooves for embedding the edges of the glass plates are formed in the first side drainage plate and the second side drainage plate. According to the flow guide type liquid polishing frame, each corner of a glass product makes full contact with liquid polishing liquid, and then the product quality is improved.

1. Name of the Design Product: Fishing Rod Bag (Rhombus). 2. Use of the Design Product: For holding fishing rods. 3. Design Key Points of the Design Product: Lies in the shape. 4. Picture or Photograph that Best Illustrates the Design Key Points: Perspective view.

This invention discloses a walking guide and drive device for an automated sorting machine, comprising: a first guide rail and a second guide rail arranged along a first horizontal direction; the first guide rail has a rectangular cross-section and a vertical track surface on each side; the second guide rail is arranged below the first guide rail, and has a rhomboid cross-section and a pair of inclined track surfaces on each side, with a vertical surface between the pair of inclined track surfaces; a sorting module adapted to move along the first and second guide rails, including a first guide wheel assembly and a second guide wheel assembly; the first guide wheel assembly is adapted to move along the two vertical track surfaces on both sides of the first guide rail, and the second guide wheel assembly is adapted to move along the four inclined track surfaces on both sides of the second guide rail; and a walking drive module integrated at the bottom of the sorting module, adapted to move along the second guide rail, so as to drive the sorting module to move along the first and second guide rails. This invention can reduce the redundancy and installation accuracy of guide rail constraints, and can save the space occupied by the loop length.

1. The name of this design product: Pot (diamond shape). 2. Purpose of this design product: This design product is used as a container for holding water or liquid. 3. The key design point of this appearance design product lies in the overall shape of the product. 4. The picture or photo that best illustrates the key points of the design: Design 1 Stereoscopic Drawing 1. 5. Designate Design 1 as the base design.